diff --git a/stage0/src/Lean/Elab/PreDefinition/Eqns.lean b/stage0/src/Lean/Elab/PreDefinition/Eqns.lean
index b25b2655ab..541ce766fb 100644
--- a/stage0/src/Lean/Elab/PreDefinition/Eqns.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/Eqns.lean
@@ -101,7 +101,7 @@ private def lhsDependsOn (type : Expr) (fvarId : FVarId) : MetaM Bool :=
 /-- Try to close goal using `rfl` with smart unfolding turned off. -/
 def tryURefl (mvarId : MVarId) : MetaM Bool :=
   withOptions (smartUnfolding.set · false) do
-    try applyRefl mvarId; return true catch _ => return false
+    try mvarId.applyRefl; return true catch _ => return false
 
 /--
   Eliminate `namedPatterns` from equation, and trivial hypotheses.
@@ -300,7 +300,7 @@ def whnfReducibleLHS? (mvarId : MVarId) : MetaM (Option MVarId) := mvarId.withCo
     return none
 
 def tryContradiction (mvarId : MVarId) : MetaM Bool := do
-  try contradiction mvarId { genDiseq := true }; return true catch _ => return false
+  mvarId.contradictionCore { genDiseq := true }
 
 structure UnfoldEqnExtState where
   map : Std.PHashMap Name Name := {}
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean b/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
index 9ae2fe5e7e..4289ffb3d4 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/PackDomain.lean
@@ -45,7 +45,7 @@ private partial def mkPSigmaCasesOn (y : Expr) (codomain : Expr) (xs : Array Exp
     if ys.size < xs.size - 1 then
       let xDecl  ← xs[ys.size]!.fvarId!.getDecl
       let xDecl' ← xs[ys.size + 1]!.fvarId!.getDecl
-      let #[s] ← cases mvarId y #[{ varNames := [xDecl.userName, xDecl'.userName] }] | unreachable!
+      let #[s] ← mvarId.cases y #[{ varNames := [xDecl.userName, xDecl'.userName] }] | unreachable!
       go s.mvarId s.fields[1]!.fvarId! (ys.push s.fields[0]!)
     else
       let ys := ys.push (mkFVar y)
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean b/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
index 723b885e89..d748b70fbb 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/PackMutual.lean
@@ -81,7 +81,7 @@ private partial def packValues (x : Expr) (codomain : Expr) (preDefValues : Arra
            #[{ varNames := [varNames[i]!] }, { varNames := [varNames[i+1]!] }]
          else
            #[{ varNames := [varNames[i]!] }]
-       let #[s₁, s₂] ← cases mvarId x (givenNames := givenNames) | unreachable!
+       let #[s₁, s₂] ← mvarId.cases x (givenNames := givenNames) | unreachable!
       s₁.mvarId.assign (mkApp preDefValues[i]! s₁.fields[0]!).headBeta
       go s₂.mvarId s₂.fields[0]!.fvarId! (i+1)
     else
diff --git a/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean b/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
index a8e41a55b7..d998d6b398 100644
--- a/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
+++ b/stage0/src/Lean/Elab/PreDefinition/WF/Rel.lean
@@ -23,7 +23,7 @@ private def getRefFromElems (elems : Array TerminationByElement) : Syntax := Id.
 private partial def unpackMutual (preDefs : Array PreDefinition) (mvarId : MVarId) (fvarId : FVarId) : TermElabM (Array (FVarId × MVarId)) := do
   let rec go (i : Nat) (mvarId : MVarId) (fvarId : FVarId) (result : Array (FVarId × MVarId)) : TermElabM (Array (FVarId × MVarId)) := do
     if i < preDefs.size - 1 then
-      let #[s₁, s₂] ← cases mvarId fvarId | unreachable!
+      let #[s₁, s₂] ←  mvarId.cases fvarId | unreachable!
       go (i + 1) s₂.mvarId s₂.fields[0]!.fvarId! (result.push (s₁.fields[0]!.fvarId!, s₁.mvarId))
     else
       return result.push (fvarId, mvarId)
@@ -47,7 +47,7 @@ private partial def unpackUnary (preDef : PreDefinition) (prefixSize : Nat) (mva
   let rec go (i : Nat) (mvarId : MVarId) (fvarId : FVarId) : TermElabM MVarId := do
     trace[Elab.definition.wf] "i: {i}, varNames: {varNames}, goal: {mvarId}"
     if i < numPackedArgs - 1 then
-      let #[s] ← cases mvarId fvarId #[{ varNames := [varNames[prefixSize + i]!] }] | unreachable!
+      let #[s] ← mvarId.cases fvarId #[{ varNames := [varNames[prefixSize + i]!] }] | unreachable!
       go (i+1) s.mvarId s.fields[1]!.fvarId!
     else
       mvarId.rename fvarId varNames.back
diff --git a/stage0/src/Lean/Elab/Syntax.lean b/stage0/src/Lean/Elab/Syntax.lean
index bf5c64a6e8..520a659c7f 100644
--- a/stage0/src/Lean/Elab/Syntax.lean
+++ b/stage0/src/Lean/Elab/Syntax.lean
@@ -53,6 +53,12 @@ def ensureUnaryOutput (x : Term × Nat) : Term :=
 @[inline] private def withNestedParser (x : ToParserDescr) : ToParserDescr := do
   withReader (fun ctx => { ctx with leftRec := false, first := false }) x
 
+/-- (Try to) a term info for the category `catName` at `ref`. -/
+def addCategoryInfo (ref : Syntax) (catName : Name) : TermElabM Unit := do
+    let declName := ``Lean.Parser.Category ++ catName
+    if (← getEnv).contains declName then
+      addTermInfo' ref (Lean.mkConst declName)
+
 def checkLeftRec (stx : Syntax) : ToParserDescrM Bool := do
   let ctx ← read
   unless ctx.first && stx.getKind == ``Lean.Parser.Syntax.cat do
@@ -60,6 +66,7 @@ def checkLeftRec (stx : Syntax) : ToParserDescrM Bool := do
   let cat := stx[0].getId.eraseMacroScopes
   unless cat == ctx.catName do
     return false
+  addCategoryInfo stx cat
   let prec? ← liftMacroM <| expandOptPrecedence stx[1]
   unless ctx.leftRec do
     throwErrorAt stx[3] "invalid occurrence of '{cat}', parser algorithm does not allow this form of left recursion"
@@ -87,12 +94,6 @@ def resolveParserName [Monad m] [MonadInfoTree m] [MonadResolveName m] [MonadEnv
         | _                                         => none
   catch _ => return []
 
-/-- (Try to) a term info for the category `catName` at `ref`. -/
-def addCategoryInfo (ref : Syntax) (catName : Name) : TermElabM Unit := do
-    let declName := ``Lean.Parser.Category ++ catName
-    if (← getEnv).contains declName then
-      addTermInfo' ref (Lean.mkConst declName)
-
 open TSyntax.Compat in
 /--
   Given a `stx` of category `syntax`, return a `(newStx, lhsPrec?)`,
diff --git a/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean b/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
index 32be40204f..46f7556064 100644
--- a/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
+++ b/stage0/src/Lean/Elab/Tactic/BuiltinTactic.lean
@@ -166,10 +166,11 @@ partial def evalChoiceAux (tactics : Array Syntax) (i : Nat) : TacticM Unit :=
 @[builtinTactic unknown] def evalUnknown : Tactic := fun stx => do
   addCompletionInfo <| CompletionInfo.tactic stx (← getGoals)
 
-@[builtinTactic failIfSuccess] def evalFailIfSuccess : Tactic := fun stx => do
-  let tactic := stx[1]
-  if (← try evalTactic tactic; pure true catch _ => pure false) then
-    throwError "tactic succeeded"
+@[builtinTactic failIfSuccess] def evalFailIfSuccess : Tactic := fun stx =>
+  Term.withoutErrToSorry <| withoutRecover do
+    let tactic := stx[1]
+    if (← try evalTactic tactic; pure true catch _ => pure false) then
+      throwError "tactic succeeded"
 
 @[builtinTactic traceState] def evalTraceState : Tactic := fun _ => do
   let gs ← getUnsolvedGoals
@@ -184,7 +185,7 @@ partial def evalChoiceAux (tactics : Array Syntax) (i : Nat) : TacticM Unit :=
   liftMetaTactic fun mvarId => do mvarId.assumption; pure []
 
 @[builtinTactic Lean.Parser.Tactic.contradiction] def evalContradiction : Tactic := fun _ =>
-  liftMetaTactic fun mvarId => do Meta.contradiction mvarId; pure []
+  liftMetaTactic fun mvarId => do mvarId.contradiction; pure []
 
 @[builtinTactic Lean.Parser.Tactic.refl] def evalRefl : Tactic := fun _ =>
   liftMetaTactic fun mvarId => do mvarId.refl; pure []
diff --git a/stage0/src/Lean/Elab/Tactic/Conv/Basic.lean b/stage0/src/Lean/Elab/Tactic/Conv/Basic.lean
index 5f5eacf5eb..dbd39fbced 100644
--- a/stage0/src/Lean/Elab/Tactic/Conv/Basic.lean
+++ b/stage0/src/Lean/Elab/Tactic/Conv/Basic.lean
@@ -38,7 +38,7 @@ def convert (lhs : Expr) (conv : TacticM Unit) : TacticM (Expr × Expr) := do
     conv
     for mvarId in (← getGoals) do
       try
-        applyRefl mvarId
+        mvarId.applyRefl
       catch _ =>
         pure ()
     pruneSolvedGoals
diff --git a/stage0/src/Lean/Elab/Tactic/Conv/Congr.lean b/stage0/src/Lean/Elab/Tactic/Conv/Congr.lean
index a716224bb7..2ecb68e12d 100644
--- a/stage0/src/Lean/Elab/Tactic/Conv/Congr.lean
+++ b/stage0/src/Lean/Elab/Tactic/Conv/Congr.lean
@@ -80,7 +80,7 @@ private def selectIdx (tacticName : String) (mvarIds : List (Option MVarId)) (i
         | none => pure ()
         | some mvarId =>
           if i != j then
-            applyRefl mvarId
+            mvarId.applyRefl
       match mvarIds.get ⟨i, h⟩ with
       | none => throwError "cannot select argument with forward dependencies"
       | some mvarId => replaceMainGoal [mvarId]
diff --git a/stage0/src/Lean/Elab/Tactic/Conv/Pattern.lean b/stage0/src/Lean/Elab/Tactic/Conv/Pattern.lean
index e117813956..f54b1dd8bd 100644
--- a/stage0/src/Lean/Elab/Tactic/Conv/Pattern.lean
+++ b/stage0/src/Lean/Elab/Tactic/Conv/Pattern.lean
@@ -67,7 +67,7 @@ private def findPattern? (pattern : AbstractMVarsResult) (e : Expr) : MetaM (Opt
     | none => throwError "'pattern' conv tactic failed, pattern was not found{indentExpr patternA.expr}"
     | some (mvarId', result) =>
       updateLhs result.expr (← result.getProof)
-      applyRefl (← getMainGoal)
+      (← getMainGoal).applyRefl
       replaceMainGoal [mvarId']
   | _ => throwUnsupportedSyntax
 
diff --git a/stage0/src/Lean/Elab/Tactic/Generalize.lean b/stage0/src/Lean/Elab/Tactic/Generalize.lean
index 9d8bb924a1..1d96484a1f 100644
--- a/stage0/src/Lean/Elab/Tactic/Generalize.lean
+++ b/stage0/src/Lean/Elab/Tactic/Generalize.lean
@@ -18,7 +18,7 @@ open Meta
       let expr ← elabTerm arg[1] none
       return { hName?, expr, xName? := arg[3].getId : GeneralizeArg }
     liftMetaTactic fun mvarId => do
-      let (_, mvarId) ← generalize mvarId args
+      let (_, mvarId) ← mvarId.generalize args
       return [mvarId]
 
 end Lean.Elab.Tactic
diff --git a/stage0/src/Lean/Elab/Tactic/Induction.lean b/stage0/src/Lean/Elab/Tactic/Induction.lean
index 160d140771..249c338cdf 100644
--- a/stage0/src/Lean/Elab/Tactic/Induction.lean
+++ b/stage0/src/Lean/Elab/Tactic/Induction.lean
@@ -492,7 +492,7 @@ private def shouldGeneralizeTarget (e : Expr) : MetaM Bool := do
 private def generalizeTargets (exprs : Array Expr) : TacticM (Array Expr) := do
   if (← withMainContext <| exprs.anyM (shouldGeneralizeTarget ·)) then
     liftMetaTacticAux fun mvarId => do
-      let (fvarIds, mvarId) ← generalize mvarId (exprs.map fun expr => { expr })
+      let (fvarIds, mvarId) ← mvarId.generalize (exprs.map fun expr => { expr })
       return (fvarIds.map mkFVar, [mvarId])
   else
     return exprs
@@ -543,7 +543,7 @@ def elabCasesTargets (targets : Array Syntax) : TacticM (Array Expr) :=
     if (← withMainContext <| args.anyM fun arg => shouldGeneralizeTarget arg.expr <||> pure arg.hName?.isSome) then
       liftMetaTacticAux fun mvarId => do
         let argsToGeneralize ← args.filterM fun arg => shouldGeneralizeTarget arg.expr <||> pure arg.hName?.isSome
-        let (fvarIdsNew, mvarId) ← generalize mvarId argsToGeneralize
+        let (fvarIdsNew, mvarId) ← mvarId.generalize argsToGeneralize
         let mut result := #[]
         let mut j := 0
         for arg in args do
diff --git a/stage0/src/Lean/Elab/Tactic/Match.lean b/stage0/src/Lean/Elab/Tactic/Match.lean
index e415a973e9..7157741023 100644
--- a/stage0/src/Lean/Elab/Tactic/Match.lean
+++ b/stage0/src/Lean/Elab/Tactic/Match.lean
@@ -51,9 +51,9 @@ private def mkAuxiliaryMatchTerm (parentTag : Name) (matchTac : Syntax) : MacroM
 @[builtinTactic Lean.Parser.Tactic.match]
 def evalMatch : Tactic := fun stx => do
   let tag ← getMainTag
-  let (matchTerm, cases) ← liftMacroM <| mkAuxiliaryMatchTerm tag stx
+  let (matchTerm, casesStx) ← liftMacroM <| mkAuxiliaryMatchTerm tag stx
   let refineMatchTerm ← `(tactic| refine no_implicit_lambda% $matchTerm)
-  let stxNew := mkNullNode (#[refineMatchTerm] ++ cases)
+  let stxNew := mkNullNode (#[refineMatchTerm] ++ casesStx)
   withMacroExpansion stx stxNew <| evalTactic stxNew
 
 end Lean.Elab.Tactic
diff --git a/stage0/src/Lean/Elab/Term.lean b/stage0/src/Lean/Elab/Term.lean
index a9d398e536..92251ed478 100644
--- a/stage0/src/Lean/Elab/Term.lean
+++ b/stage0/src/Lean/Elab/Term.lean
@@ -425,12 +425,15 @@ def withAuxDecl (shortDeclName : Name) (type : Expr) (declName : Name) (k : Expr
     withReader (fun ctx => { ctx with auxDeclToFullName := ctx.auxDeclToFullName.insert x.fvarId! declName }) do
       k x
 
+def withoutErrToSorryImp (x : TermElabM α) : TermElabM α :=
+  withReader (fun ctx => { ctx with errToSorry := false }) x
+
 /--
   Execute `x` without converting errors (i.e., exceptions) to `sorry` applications.
   Recall that when `errToSorry = true`, the method `elabTerm` catches exceptions and convert them into `sorry` applications.
 -/
-def withoutErrToSorry (x : TermElabM α) : TermElabM α :=
-  withReader (fun ctx => { ctx with errToSorry := false }) x
+def withoutErrToSorry [MonadFunctorT TermElabM m] : m α → m α :=
+  monadMap (m := TermElabM) withoutErrToSorryImp
 
 /-- For testing `TermElabM` methods. The #eval command will sign the error. -/
 def throwErrorIfErrors : TermElabM Unit := do
diff --git a/stage0/src/Lean/Meta/Basic.lean b/stage0/src/Lean/Meta/Basic.lean
index 5e757f045c..2adf577b84 100644
--- a/stage0/src/Lean/Meta/Basic.lean
+++ b/stage0/src/Lean/Meta/Basic.lean
@@ -235,8 +235,7 @@ structure Cache where
   synthInstance  : SynthInstanceCache := {}
   whnfDefault    : WhnfCache := {} -- cache for closed terms and `TransparencyMode.default`
   whnfAll        : WhnfCache := {} -- cache for closed terms and `TransparencyMode.all`
-  defEqDefault   : DefEqCache := {}
-  defEqAll       : DefEqCache := {}
+  defEq          : DefEqCache := {}
   deriving Inhabited
 
 /--
@@ -335,8 +334,7 @@ protected def saveState : MetaM SavedState :=
 /-- Restore backtrackable parts of the state. -/
 def SavedState.restore (b : SavedState) : MetaM Unit := do
   Core.restore b.core
-  setMCtx b.meta.mctx -- Recall that `setMCtx` propagate `usedAssignment`
-  modify fun s => { s with zetaFVarIds := b.meta.zetaFVarIds, postponed := b.meta.postponed }
+  modify fun s => { s with mctx := b.meta.mctx, zetaFVarIds := b.meta.zetaFVarIds, postponed := b.meta.postponed }
 
 instance : MonadBacktrack SavedState MetaM where
   saveState      := Meta.saveState
@@ -383,7 +381,10 @@ variable [MonadControlT MetaM n] [Monad n]
   modify fun ⟨mctx, cache, zetaFVarIds, postponed⟩ => ⟨mctx, f cache, zetaFVarIds, postponed⟩
 
 @[inline] def modifyInferTypeCache (f : InferTypeCache → InferTypeCache) : MetaM Unit :=
-  modifyCache fun ⟨ic, c1, c2, c3, c4, c5, c6⟩ => ⟨f ic, c1, c2, c3, c4, c5, c6⟩
+  modifyCache fun ⟨ic, c1, c2, c3, c4, c5⟩ => ⟨f ic, c1, c2, c3, c4, c5⟩
+
+@[inline] def modifyDefEqCache (f : DefEqCache → DefEqCache) : MetaM Unit :=
+  modifyCache fun ⟨c1, c2, c3, c4, c5, defeq⟩ => ⟨c1, c2, c3, c4, c5, f defeq⟩
 
 def getLocalInstances : MetaM LocalInstances :=
   return (← read).localInstances
@@ -1326,8 +1327,7 @@ private def withNewMCtxDepthImp (x : MetaM α) : MetaM α := do
   try
     x
   finally
-    setMCtx saved.mctx -- Recall that `setMCtx` propagate `usedAssignment`
-    modify fun s => { s with postponed := saved.postponed }
+    modify fun s => { s with mctx := saved.mctx, postponed := saved.postponed }
 
 /--
   Save cache and `MetavarContext`, bump the `MetavarContext` depth, execute `x`,
@@ -1625,6 +1625,16 @@ partial def processPostponed (mayPostpone : Bool := true) (exceptionOnFailure :=
 -/
 @[specialize] def checkpointDefEq (x : MetaM Bool) (mayPostpone : Bool := true) : MetaM Bool := do
   let s ← saveState
+  /-
+    It is not safe to use the `isDefEq` cache between different `isDefEq` calls.
+    Reason: different configuration settings, and result depends on the state of the `MetavarContext`
+    We have tried in the past to track when the result was independent of the `MetavarContext` state
+    but it was not effective. It is more important to cache aggressively inside of a single `isDefEq`
+    call because some of the heuristics create many similar subproblems.
+    See issue #1102 for an example that triggers an exponential blowup if we don't use this more
+    aggresive form of caching.
+  -/
+  modifyDefEqCache fun _ => {}
   let postponed ← getResetPostponed
   try
     if (← x) then
diff --git a/stage0/src/Lean/Meta/Check.lean b/stage0/src/Lean/Meta/Check.lean
index df2f925819..47582e0850 100644
--- a/stage0/src/Lean/Meta/Check.lean
+++ b/stage0/src/Lean/Meta/Check.lean
@@ -183,10 +183,16 @@ where
       ensureType b
       check b
 
+/--
+Throw an exception if `e` is not type correct.
+-/
 def check (e : Expr) : MetaM Unit :=
   traceCtx `Meta.check do
     withTransparency TransparencyMode.all $ checkAux e
 
+/--
+Return true if `e` is type correct.
+-/
 def isTypeCorrect (e : Expr) : MetaM Bool := do
   try
     check e
diff --git a/stage0/src/Lean/Meta/ExprDefEq.lean b/stage0/src/Lean/Meta/ExprDefEq.lean
index 546dec1ad8..0cae504bf7 100644
--- a/stage0/src/Lean/Meta/ExprDefEq.lean
+++ b/stage0/src/Lean/Meta/ExprDefEq.lean
@@ -1689,47 +1689,16 @@ private def isExprDefEqExpensive (t : Expr) (s : Expr) : MetaM Bool := do
       if (← isDefEqUnitLike t s) then return true else
       isDefEqOnFailure t s
 
-/--
-  We only check DefEq cache if
-  - using default and all transparency modes, and
-  - smart unfolding is enabled, and
-  - proof irrelevance, eta for structures, and `zetaNonDep` are enabled
--/
-private def skipDefEqCache : MetaM Bool := do
-  match (← getConfig).transparency with
-  | .reducible => return true
-  | .instances => return true
-  | _ =>
-    unless smartUnfolding.get (← getOptions) do
-      return true
-    let cfg ← getConfig
-    return !(cfg.proofIrrelevance && cfg.etaStruct matches .all && cfg.zetaNonDep)
-
 private def mkCacheKey (t : Expr) (s : Expr) : Expr × Expr :=
   if Expr.quickLt t s then (t, s) else (s, t)
 
 private def getCachedResult (key : Expr × Expr) : MetaM LBool := do
-  let cache ← match (← getConfig).transparency with
-    | TransparencyMode.default => pure (← get).cache.defEqDefault
-    | TransparencyMode.all     => pure (← get).cache.defEqAll
-    | _                        => return .undef
-  match cache.find? key with
+  match (← get).cache.defEq.find? key with
   | some val => return val.toLBool
   | none => return .undef
 
 private def cacheResult (key : Expr × Expr) (result : Bool) : MetaM Unit := do
-  match (← getConfig).transparency with
-  | TransparencyMode.default => modify fun s => { s with cache.defEqDefault := s.cache.defEqDefault.insert key result }
-  | TransparencyMode.all     => modify fun s => { s with cache.defEqAll := s.cache.defEqAll.insert key result }
-  | _                        => pure ()
-
-private abbrev withResetUsedAssignment (k : MetaM α) : MetaM α := do
-  let usedAssignment := (← getMCtx).usedAssignment
-  modifyMCtx fun mctx => { mctx with usedAssignment := false }
-  try
-    k
-  finally
-    modifyMCtx fun mctx => { mctx with usedAssignment := usedAssignment || mctx.usedAssignment }
+  modifyDefEqCache fun c => c.insert key result
 
 @[export lean_is_expr_def_eq]
 partial def isExprDefEqAuxImpl (t : Expr) (s : Expr) : MetaM Bool := withIncRecDepth do
@@ -1743,8 +1712,6 @@ partial def isExprDefEqAuxImpl (t : Expr) (s : Expr) : MetaM Bool := withIncRecD
   let s' ← whnfCore s (deltaAtProj := false)
   if t != t' || s != s' then
     isExprDefEqAuxImpl t' s'
-  else if (← skipDefEqCache) then
-    isExprDefEqExpensive t s
   else
     /-
       TODO: check whether the following `instantiateMVar`s are expensive or not in practice.
@@ -1766,14 +1733,11 @@ partial def isExprDefEqAuxImpl (t : Expr) (s : Expr) : MetaM Bool := withIncRecD
       trace[Meta.isDefEq.cache] "cache hit 'false' for {t} =?= {s}"
       return false
     | .undef =>
-      withResetUsedAssignment do
-        let result ← isExprDefEqExpensive t s
-        if numPostponed == (← getNumPostponed) && !(← getMCtx).usedAssignment then
-          -- It is only safe to cache the result if the mvars assignments have not been accessed/used,
-          -- and universe level variables have not been postponed.
-          trace[Meta.isDefEq.cache] "cache {result} for {t} =?= {s}"
-          cacheResult k result
-        return result
+      let result ← isExprDefEqExpensive t s
+      if numPostponed == (← getNumPostponed) then
+        trace[Meta.isDefEq.cache] "cache {result} for {t} =?= {s}"
+        cacheResult k result
+      return result
 
 builtin_initialize
   registerTraceClass `Meta.isDefEq
diff --git a/stage0/src/Lean/Meta/Injective.lean b/stage0/src/Lean/Meta/Injective.lean
index 23a77e096c..cd254812bc 100644
--- a/stage0/src/Lean/Meta/Injective.lean
+++ b/stage0/src/Lean/Meta/Injective.lean
@@ -123,9 +123,9 @@ private def mkInjectiveEqTheoremValue (ctorName : Name) (targetType : Expr) : Me
     let (h, mvarId₁) ← mvarId₁.intro1
     let (_, mvarId₂) ← mvarId₂.intro1
     solveEqOfCtorEq ctorName mvarId₁ h
-    let mvarId₂ ← casesAnd mvarId₂
-    if let some mvarId₂ ← substEqs mvarId₂ then
-      applyRefl mvarId₂ (injTheoremFailureHeader ctorName)
+    let mvarId₂ ← mvarId₂.casesAnd
+    if let some mvarId₂ ← mvarId₂.substEqs then
+      mvarId₂.applyRefl (injTheoremFailureHeader ctorName)
     mkLambdaFVars xs mvar
 
 private def mkInjectiveEqTheorem (ctorVal : ConstructorVal) : MetaM Unit := do
diff --git a/stage0/src/Lean/Meta/KAbstract.lean b/stage0/src/Lean/Meta/KAbstract.lean
index 206183517f..aed457f853 100644
--- a/stage0/src/Lean/Meta/KAbstract.lean
+++ b/stage0/src/Lean/Meta/KAbstract.lean
@@ -9,7 +9,12 @@ import Lean.Meta.Basic
 
 namespace Lean.Meta
 
-def kabstract (e : Expr) (p : Expr) (occs : Occurrences := Occurrences.all) : MetaM Expr := do
+/--
+Abstract occurrences of `p` in `e`. We detect subterms equivalent to `p` using key-matching.
+That is, only perform `isDefEq` tests when the head symbol of substerm is equivalent to head symbol of `p`.
+By default, all occurrences are abstracted, but this behavior can be controlled using the `occs` parameter.
+-/
+def kabstract (e : Expr) (p : Expr) (occs : Occurrences := .all) : MetaM Expr := do
   let e ← instantiateMVars e
   if p.isFVar && occs == Occurrences.all then
     return e.abstract #[p] -- Easy case
@@ -19,13 +24,13 @@ def kabstract (e : Expr) (p : Expr) (occs : Occurrences := Occurrences.all) : Me
     let rec visit (e : Expr) (offset : Nat) : StateRefT Nat MetaM Expr := do
       let visitChildren : Unit → StateRefT Nat MetaM Expr := fun _ => do
         match e with
-        | Expr.app f a         => return e.updateApp! (← visit f offset) (← visit a offset)
-        | Expr.mdata _ b       => return e.updateMData! (← visit b offset)
-        | Expr.proj _ _ b      => return e.updateProj! (← visit b offset)
-        | Expr.letE _ t v b _  => return e.updateLet! (← visit t offset) (← visit v offset) (← visit b (offset+1))
-        | Expr.lam _ d b _     => return e.updateLambdaE! (← visit d offset) (← visit b (offset+1))
-        | Expr.forallE _ d b _ => return e.updateForallE! (← visit d offset) (← visit b (offset+1))
-        | e                    => return e
+        | .app f a         => return e.updateApp! (← visit f offset) (← visit a offset)
+        | .mdata _ b       => return e.updateMData! (← visit b offset)
+        | .proj _ _ b      => return e.updateProj! (← visit b offset)
+        | .letE _ t v b _  => return e.updateLet! (← visit t offset) (← visit v offset) (← visit b (offset+1))
+        | .lam _ d b _     => return e.updateLambdaE! (← visit d offset) (← visit b (offset+1))
+        | .forallE _ d b _ => return e.updateForallE! (← visit d offset) (← visit b (offset+1))
+        | e                => return e
       if e.hasLooseBVars then
         visitChildren ()
       else if e.toHeadIndex != pHeadIdx || e.headNumArgs != pNumArgs then
diff --git a/stage0/src/Lean/Meta/KExprMap.lean b/stage0/src/Lean/Meta/KExprMap.lean
index 770e723274..7c37abd29b 100644
--- a/stage0/src/Lean/Meta/KExprMap.lean
+++ b/stage0/src/Lean/Meta/KExprMap.lean
@@ -18,6 +18,7 @@ structure KExprMap (α : Type) where
   map : Std.PHashMap HeadIndex (Std.AssocList Expr α) := {}
   deriving Inhabited
 
+/-- Return `some v` if there is an entry `e ↦ v` in `m`. -/
 def KExprMap.find? (m : KExprMap α) (e : Expr) : MetaM (Option α) := do
   match m.map.find? e.toHeadIndex with
   | none => return none
@@ -36,6 +37,7 @@ private def updateList (ps : Std.AssocList Expr α) (e : Expr) (v : α) : MetaM
     else
       return Std.AssocList.cons e' v' (← updateList ps e v)
 
+/-- Insert `e ↦ v` into `m` -/
 def KExprMap.insert (m : KExprMap α) (e : Expr) (v : α) : MetaM (KExprMap α) :=
   let k := e.toHeadIndex
   match m.map.find? k with
diff --git a/stage0/src/Lean/Meta/Match/Match.lean b/stage0/src/Lean/Meta/Match/Match.lean
index f069c892bd..a511a6541c 100644
--- a/stage0/src/Lean/Meta/Match/Match.lean
+++ b/stage0/src/Lean/Meta/Match/Match.lean
@@ -171,7 +171,7 @@ private def processLeaf (p : Problem) : StateRefT State MetaM Unit := do
   match p.alts with
   | []       =>
     /- TODO: allow users to configure which tactic is used to close leaves. -/
-    unless (← contradictionCore p.mvarId {}) do
+    unless (← p.mvarId.contradictionCore {}) do
       trace[Meta.Match.match] "missing alternative"
       p.mvarId.admit
       modify fun s => { s with counterExamples := p.examples :: s.counterExamples }
@@ -449,7 +449,7 @@ private def processConstructor (p : Problem) : MetaM (Array Problem) := do
     let subgoals? ← commitWhenSome? do
        let subgoals ←
          try
-           cases p.mvarId x.fvarId!
+           p.mvarId.cases x.fvarId!
          catch ex =>
            if p.alts.isEmpty then
              /- If we have no alternatives and dependent pattern matching fails, then a "missing cases" error is bettern than a "stuck" error message. -/
diff --git a/stage0/src/Lean/Meta/Match/MatchEqs.lean b/stage0/src/Lean/Meta/Match/MatchEqs.lean
index 4841c04bfe..c98dd73c51 100644
--- a/stage0/src/Lean/Meta/Match/MatchEqs.lean
+++ b/stage0/src/Lean/Meta/Match/MatchEqs.lean
@@ -20,7 +20,7 @@ partial def casesOnStuckLHS (mvarId : MVarId) : MetaM (Array MVarId) := do
   let target ← mvarId.getType
   if let some (_, lhs, _) ← matchEq? target then
     if let some fvarId ← findFVar? lhs then
-      return (← cases mvarId fvarId).map fun s => s.mvarId
+      return (←  mvarId.cases fvarId).map fun s => s.mvarId
   throwError "'casesOnStuckLHS' failed"
 where
   findFVar? (e : Expr) : MetaM (Option FVarId) := do
@@ -177,7 +177,7 @@ private def isDone : M Bool :=
 
 /-- Customized `contradiction` tactic for `simpH?` -/
 private def contradiction (mvarId : MVarId) : MetaM Bool :=
-  contradictionCore mvarId { genDiseq := false, emptyType := false }
+   mvarId.contradictionCore { genDiseq := false, emptyType := false }
 
 /--
   Auxiliary tactic that tries to replace as many variables as possible and then apply `contradiction`.
@@ -300,9 +300,9 @@ where
     let mvarId' ← mvarId.modifyTargetEqLHS whnfCore
     let mvarId := mvarId'
     let subgoals ←
-      (do applyRefl mvarId; return #[])
+      (do mvarId.applyRefl; return #[])
       <|>
-      (do contradiction mvarId { genDiseq := true }; return #[])
+      (do mvarId.contradiction { genDiseq := true }; return #[])
       <|>
       (casesOnStuckLHS mvarId)
       <|>
@@ -572,7 +572,7 @@ where
     | InjectionAnyResult.failed =>
       let mvarId' ← substVars mvarId
       if mvarId' == mvarId then
-        if (← contradictionCore mvarId {}) then
+        if (← mvarId.contradictionCore {}) then
           return ()
         throwError "failed to generate splitter for match auxiliary declaration '{matchDeclName}', unsolved subgoal:\n{MessageData.ofGoal mvarId}"
       else
diff --git a/stage0/src/Lean/Meta/Tactic/AC/Main.lean b/stage0/src/Lean/Meta/Tactic/AC/Main.lean
index 1cf47cea12..7bc1972097 100644
--- a/stage0/src/Lean/Meta/Tactic/AC/Main.lean
+++ b/stage0/src/Lean/Meta/Tactic/AC/Main.lean
@@ -147,7 +147,7 @@ def rewriteUnnormalized (mvarId : MVarId) : MetaM Unit := do
   let tgt ← mvarId.getType
   let res ← Simp.main tgt simpCtx (methods := { post })
   let newGoal ← applySimpResultToTarget mvarId tgt res
-  applyRefl newGoal
+  newGoal.applyRefl
 where
   post (e : Expr) : SimpM Simp.Step := do
     let ctx ← read
diff --git a/stage0/src/Lean/Meta/Tactic/Acyclic.lean b/stage0/src/Lean/Meta/Tactic/Acyclic.lean
index b3ea587042..58de1b70ce 100644
--- a/stage0/src/Lean/Meta/Tactic/Acyclic.lean
+++ b/stage0/src/Lean/Meta/Tactic/Acyclic.lean
@@ -6,7 +6,8 @@ Authors: Leonardo de Moura
 import Lean.Meta.MatchUtil
 import Lean.Meta.Tactic.Simp.Main
 
-namespace Lean.Meta
+namespace Lean.MVarId
+open Meta
 
 private def isTarget (lhs rhs : Expr) : MetaM Bool := do
   if !lhs.isFVar || !lhs.occurs rhs then
@@ -52,4 +53,4 @@ where
 builtin_initialize
   registerTraceClass `Meta.Tactic.acyclic
 
-end Lean.Meta
+end Lean.MVarId
diff --git a/stage0/src/Lean/Meta/Tactic/Apply.lean b/stage0/src/Lean/Meta/Tactic/Apply.lean
index 96560c788d..e205ec00bc 100644
--- a/stage0/src/Lean/Meta/Tactic/Apply.lean
+++ b/stage0/src/Lean/Meta/Tactic/Apply.lean
@@ -154,12 +154,12 @@ abbrev _root_.Lean.MVarId.splitAnd (mvarId : MVarId) : MetaM (List MVarId) :=
 def splitAnd (mvarId : MVarId) : MetaM (List MVarId) :=
   mvarId.splitAnd
 
-def applyRefl (mvarId : MVarId) (msg : MessageData := "refl failed") : MetaM Unit :=
+def _root_.Lean.MVarId.applyRefl (mvarId : MVarId) (msg : MessageData := "refl failed") : MetaM Unit :=
   mvarId.withContext do
     let some [] ← observing? do mvarId.apply (mkConst ``Eq.refl [← mkFreshLevelMVar])
       | throwTacticEx `refl mvarId msg
 
-def exfalso (mvarId : MVarId) : MetaM MVarId :=
+def _root_.Lean.MVarId.exfalso (mvarId : MVarId) : MetaM MVarId :=
   mvarId.withContext do
     mvarId.checkNotAssigned `exfalso
     let target ← instantiateMVars (← mvarId.getType)
diff --git a/stage0/src/Lean/Meta/Tactic/Cases.lean b/stage0/src/Lean/Meta/Tactic/Cases.lean
index f5cfc1e81e..cb26df8f10 100644
--- a/stage0/src/Lean/Meta/Tactic/Cases.lean
+++ b/stage0/src/Lean/Meta/Tactic/Cases.lean
@@ -204,7 +204,7 @@ partial def unifyEqs? (numEqs : Nat) (mvarId : MVarId) (subst : FVarSubst) (case
     return some (mvarId, subst)
   else
     let (eqFVarId, mvarId) ← mvarId.intro1
-    if let some { mvarId, subst, numNewEqs } ← unifyEq? mvarId eqFVarId subst acyclic caseName? then
+    if let some { mvarId, subst, numNewEqs } ← unifyEq? mvarId eqFVarId subst MVarId.acyclic caseName? then
       unifyEqs? (numEqs - 1 + numNewEqs) mvarId subst caseName?
     else
       return none
@@ -254,46 +254,67 @@ def cases (mvarId : MVarId) (majorFVarId : FVarId) (givenNames : Array AltVarNam
 
 end Cases
 
+/--
+Apply `casesOn` using the free variable `majorFVarId` as the major premise (aka discriminant).
+`giveNames` contains user-facing names for each alternative.
+-/
+def _root_.Lean.MVarId.cases (mvarId : MVarId) (majorFVarId : FVarId) (givenNames : Array AltVarNames := #[]) : MetaM (Array CasesSubgoal) :=
+  Cases.cases mvarId majorFVarId givenNames
+
+@[deprecated MVarId.cases]
 def cases (mvarId : MVarId) (majorFVarId : FVarId) (givenNames : Array AltVarNames := #[]) : MetaM (Array CasesSubgoal) :=
   Cases.cases mvarId majorFVarId givenNames
 
-def casesRec (mvarId : MVarId) (p : LocalDecl → MetaM Bool) : MetaM (List MVarId) :=
+/--
+Keep applying `cases` on any hypothesis that satisfies `p`.
+-/
+def _root_.Lean.MVarId.casesRec (mvarId : MVarId) (p : LocalDecl → MetaM Bool) : MetaM (List MVarId) :=
   saturate mvarId fun mvarId =>
     mvarId.withContext do
       for localDecl in (← getLCtx) do
         if (← p localDecl) then
           let r? ← observing? do
-            let r ← cases mvarId localDecl.fvarId
+            let r ← mvarId.cases localDecl.fvarId
             return r.toList.map (·.mvarId)
           if r?.isSome then
             return r?
       return none
 
-def casesAnd (mvarId : MVarId) : MetaM MVarId := do
-  let mvarIds ← casesRec mvarId fun localDecl => return (← instantiateMVars localDecl.type).isAppOfArity ``And 2
+/--
+Applies `cases` (recursively) to any hypothesis of the form `h : p ∧ q`.
+-/
+def _root_.Lean.MVarId.casesAnd (mvarId : MVarId) : MetaM MVarId := do
+  let mvarIds ← mvarId.casesRec fun localDecl => return (← instantiateMVars localDecl.type).isAppOfArity ``And 2
   exactlyOne mvarIds
 
-def substEqs (mvarId : MVarId) : MetaM (Option MVarId) := do
-  let mvarIds ← casesRec mvarId fun localDecl => do
+/--
+Applies `cases` to any hypothesis of the form `h : r = s`.
+-/
+def _root_.Lean.MVarId.substEqs (mvarId : MVarId) : MetaM (Option MVarId) := do
+  let mvarIds ← mvarId.casesRec fun localDecl => do
     let type ← instantiateMVars localDecl.type
     return type.isEq || type.isHEq
   ensureAtMostOne mvarIds
 
+/-- Auxiliary structure for storing `byCases` tactic result. -/
 structure ByCasesSubgoal where
   mvarId : MVarId
   fvarId : FVarId
 
-def byCases (mvarId : MVarId) (p : Expr) (hName : Name := `h) : MetaM (ByCasesSubgoal × ByCasesSubgoal) := do
-  let mvarId ← mvarId.assert `hByCases (mkOr p (mkNot p)) (mkEM p)
-  let (fvarId, mvarId) ← mvarId.intro1
-  let #[s₁, s₂] ← cases mvarId fvarId #[{ varNames := [hName] }, { varNames := [hName] }] |
-    throwError "'byCases' tactic failed, unexpected number of subgoals"
-  return ((← toByCasesSubgoal s₁), (← toByCasesSubgoal s₂))
-where
-  toByCasesSubgoal (s : CasesSubgoal) : MetaM ByCasesSubgoal :=  do
+private def toByCasesSubgoal (s : CasesSubgoal) : MetaM ByCasesSubgoal :=  do
     let #[Expr.fvar fvarId ..] ← pure s.fields | throwError "'byCases' tactic failed, unexpected new hypothesis"
     return { mvarId := s.mvarId, fvarId }
 
+/--
+Split the goal in two subgoals: one containing the hypothesis `h : p` and another containing `h : ¬ p`.
+-/
+def _root_.Lean.MVarId.byCases (mvarId : MVarId) (p : Expr) (hName : Name := `h) : MetaM (ByCasesSubgoal × ByCasesSubgoal) := do
+  let mvarId ← mvarId.assert `hByCases (mkOr p (mkNot p)) (mkEM p)
+  let (fvarId, mvarId) ← mvarId.intro1
+  let #[s₁, s₂] ← mvarId.cases fvarId #[{ varNames := [hName] }, { varNames := [hName] }] |
+    throwError "'byCases' tactic failed, unexpected number of subgoals"
+  return ((← toByCasesSubgoal s₁), (← toByCasesSubgoal s₂))
+
 builtin_initialize registerTraceClass `Meta.Tactic.cases
 
 end Lean.Meta
diff --git a/stage0/src/Lean/Meta/Tactic/Contradiction.lean b/stage0/src/Lean/Meta/Tactic/Contradiction.lean
index 2740e6c7cb..cd01f8c991 100644
--- a/stage0/src/Lean/Meta/Tactic/Contradiction.lean
+++ b/stage0/src/Lean/Meta/Tactic/Contradiction.lean
@@ -57,7 +57,7 @@ partial def elim (mvarId : MVarId) (fvarId : FVarId) : M Bool := do
   modify (· - 1)
   -- We only consider inductives with no constructors and indexed families
   commitWhen do
-    let subgoals ← try cases mvarId fvarId catch ex => trace[Meta.Tactic.contradiction] "{ex.toMessageData}"; return false
+    let subgoals ← try mvarId.cases fvarId catch ex => trace[Meta.Tactic.contradiction] "{ex.toMessageData}"; return false
     trace[Meta.Tactic.contradiction] "elimEmptyInductive, number subgoals: {subgoals.size}"
     for subgoal in subgoals do
       -- If one of the fields is uninhabited, then we are done
@@ -79,7 +79,7 @@ private def elimEmptyInductive (mvarId : MVarId) (fvarId : FVarId) (fuel : Nat)
   mvarId.withContext do
     if (← isElimEmptyInductiveCandidate fvarId) then
       commitWhen do
-        ElimEmptyInductive.elim (← exfalso mvarId) fvarId |>.run' fuel
+        ElimEmptyInductive.elim (← mvarId.exfalso) fvarId |>.run' fuel
     else
       return false
 
@@ -145,7 +145,11 @@ private def processGenDiseq (mvarId : MVarId) (localDecl : LocalDecl) : MetaM Bo
   else
     return false
 
-def contradictionCore (mvarId : MVarId) (config : Contradiction.Config) : MetaM Bool := do
+/--
+Return `true` if goal `mvarId` has contradictory hypotheses.
+See `MVarId.contradiction` for the list of tests performed by this method.
+-/
+def _root_.Lean.MVarId.contradictionCore (mvarId : MVarId) (config : Contradiction.Config) : MetaM Bool := do
   mvarId.withContext do
     mvarId.checkNotAssigned `contradiction
     if (← nestedFalseElim mvarId) then
@@ -206,10 +210,25 @@ def contradictionCore (mvarId : MVarId) (config : Contradiction.Config) : MetaM
             return true
     return false
 
-def contradiction (mvarId : MVarId) (config : Contradiction.Config := {}) : MetaM Unit :=
-  unless (← contradictionCore mvarId config) do
+/--
+Try to close the goal using "contradictions" such as
+- Contradictory hypotheses `h₁ : p` and `h₂ : ¬ p`.
+- Contradictory disequality `h : x ≠ x`.
+- Contradictory equality between different constructors, e.g., `h : List.nil = List.cons x xs`.
+- Empty inductive types, e.g., `x : Fin 0`.
+- Decidable propositions that evaluate to false, i.e., a hypothesis `h : p` s.t. `decide p` reduces to `false`.
+  This is only tried if `Config.useDecide = true`.
+
+Throw exception if goal failed to be closed.
+-/
+def _root_.Lean.MVarId.contradiction (mvarId : MVarId) (config : Contradiction.Config := {}) : MetaM Unit :=
+  unless (← mvarId.contradictionCore config) do
     throwTacticEx `contradiction mvarId ""
 
+@[deprecated MVarId.contradiction]
+def contradiction (mvarId : MVarId) (config : Contradiction.Config := {}) : MetaM Unit :=
+  mvarId.contradiction config
+
 builtin_initialize registerTraceClass `Meta.Tactic.contradiction
 
 end Lean.Meta
diff --git a/stage0/src/Lean/Meta/Tactic/Generalize.lean b/stage0/src/Lean/Meta/Tactic/Generalize.lean
index f293f3be63..2483524dc8 100644
--- a/stage0/src/Lean/Meta/Tactic/Generalize.lean
+++ b/stage0/src/Lean/Meta/Tactic/Generalize.lean
@@ -16,10 +16,11 @@ structure GeneralizeArg where
   hName? : Option Name := none
   deriving Inhabited
 
-partial def generalize
-    (mvarId : MVarId) (args : Array GeneralizeArg)
-    -- (pred : (parent? : Option Expr) → (e : Expr) → MetaM Bool := fun _ _ => return true)
-    : MetaM (Array FVarId × MVarId) :=
+/--
+Telescopic `generalize` tactic. It can simultaneously generalize many terms.
+It uses `kabstract` to occurrences of the terms that need to be generalized.
+-/
+private partial def generalizeCore (mvarId : MVarId) (args : Array GeneralizeArg) : MetaM (Array FVarId × MVarId) :=
   mvarId.withContext do
     mvarId.checkNotAssigned `generalize
     let tag ← mvarId.getTag
@@ -67,4 +68,15 @@ partial def generalize
       mvarId.assign (mkAppN (mkAppN mvarNew es) rfls.toArray)
       mvarNew.mvarId!.introNP (args.size + rfls.length)
 
+/--
+Telescopic `generalize` tactic. It can simultaneously generalize many terms.
+It uses `kabstract` to occurrences of the terms that need to be generalized.
+-/
+def _root_.Lean.MVarId.generalize (mvarId : MVarId) (args : Array GeneralizeArg) : MetaM (Array FVarId × MVarId) :=
+  generalizeCore mvarId args
+
+@[deprecated MVarId.generalize]
+def generalize (mvarId : MVarId) (args : Array GeneralizeArg) : MetaM (Array FVarId × MVarId) :=
+  generalizeCore mvarId args
+
 end Lean.Meta
diff --git a/stage0/src/Lean/Meta/Tactic/SplitIf.lean b/stage0/src/Lean/Meta/Tactic/SplitIf.lean
index d7dda76ed1..7e655355af 100644
--- a/stage0/src/Lean/Meta/Tactic/SplitIf.lean
+++ b/stage0/src/Lean/Meta/Tactic/SplitIf.lean
@@ -72,7 +72,7 @@ def splitIfAt? (mvarId : MVarId) (e : Expr) (hName? : Option Name) : MetaM (Opti
       | none       => mkFreshUserName `h
       | some hName => pure hName
     trace[Meta.Tactic.splitIf] "splitting on {cond}"
-    return some (← byCases mvarId cond hName)
+    return some (←  mvarId.byCases cond hName)
   else
     return none
 
diff --git a/stage0/src/Lean/MetavarContext.lean b/stage0/src/Lean/MetavarContext.lean
index e26a4e2ab0..ddc864afde 100644
--- a/stage0/src/Lean/MetavarContext.lean
+++ b/stage0/src/Lean/MetavarContext.lean
@@ -280,7 +280,6 @@ structure MetavarContext where
   lAssignment    : PersistentHashMap LMVarId Level := {}
   eAssignment    : PersistentHashMap MVarId Expr := {}
   dAssignment    : PersistentHashMap MVarId DelayedMetavarAssignment := {}
-  usedAssignment : Bool := false
 
 class MonadMCtx (m : Type → Type) where
   getMCtx    : m MetavarContext
@@ -292,32 +291,20 @@ instance (m n) [MonadLift m n] [MonadMCtx m] : MonadMCtx n where
   getMCtx    := liftM (getMCtx : m _)
   modifyMCtx := fun f => liftM (modifyMCtx f : m _)
 
-def markUsedAssignment [MonadMCtx m] : m Unit :=
-  modifyMCtx fun mctx => { mctx with usedAssignment := true }
+abbrev setMCtx [MonadMCtx m] (mctx : MetavarContext) : m Unit :=
+  modifyMCtx fun _ => mctx
 
-abbrev setMCtx [MonadMCtx m] (mctx' : MetavarContext) : m Unit :=
-  modifyMCtx fun mctx => { mctx' with usedAssignment := mctx'.usedAssignment || mctx.usedAssignment }
-
-abbrev getLevelMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : LMVarId) : m (Option Level) := do
-  let result? := (← getMCtx).lAssignment.find? mvarId
-  if result?.isSome then
-    markUsedAssignment
-  return result?
+abbrev getLevelMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : LMVarId) : m (Option Level) :=
+  return (← getMCtx).lAssignment.find? mvarId
 
 def MetavarContext.getExprAssignmentCore? (m : MetavarContext) (mvarId : MVarId) : Option Expr :=
   m.eAssignment.find? mvarId
 
-def getExprMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Option Expr) := do
-  let result? := (← getMCtx).getExprAssignmentCore? mvarId
-  if result?.isSome then
-    markUsedAssignment
-  return result?
+def getExprMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Option Expr) :=
+  return (← getMCtx).getExprAssignmentCore? mvarId
 
-def getDelayedMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Option DelayedMetavarAssignment) := do
-  let result? := (← getMCtx).dAssignment.find? mvarId
-  if result?.isSome then
-    markUsedAssignment
-  return result?
+def getDelayedMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Option DelayedMetavarAssignment) :=
+  return (← getMCtx).dAssignment.find? mvarId
 
 /-- Given a sequence of delayed assignments
    ```
@@ -332,21 +319,18 @@ partial def getDelayedMVarRoot [Monad m] [MonadMCtx m] (mvarId : MVarId) : m MVa
   | some d => getDelayedMVarRoot d.mvarIdPending
   | none   => return mvarId
 
-def isLevelMVarAssigned [Monad m] [MonadMCtx m] (mvarId : LMVarId) : m Bool := do
-  markUsedAssignment
+def isLevelMVarAssigned [Monad m] [MonadMCtx m] (mvarId : LMVarId) : m Bool :=
   return (← getMCtx).lAssignment.contains mvarId
 
 /-- Return `true` if the give metavariable is already assigned. -/
-def _root_.Lean.MVarId.isAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
-  markUsedAssignment
+def _root_.Lean.MVarId.isAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool :=
   return (← getMCtx).eAssignment.contains mvarId
 
 @[deprecated MVarId.isAssigned]
 def isExprMVarAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
   mvarId.isAssigned
 
-def _root_.Lean.MVarId.isDelayedAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
-  markUsedAssignment
+def _root_.Lean.MVarId.isDelayedAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool :=
   return (← getMCtx).dAssignment.contains mvarId
 
 @[deprecated MVarId.isDelayedAssigned]
@@ -354,7 +338,6 @@ def isMVarDelayedAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool :=
   mvarId.isDelayedAssigned
 
 def isLevelMVarAssignable [Monad m] [MonadMCtx m] (mvarId : LMVarId) : m Bool := do
-  markUsedAssignment
   let mctx ← getMCtx
   match mctx.lDepth.find? mvarId with
   | some d => return d == mctx.depth
@@ -366,7 +349,6 @@ def MetavarContext.getDecl (mctx : MetavarContext) (mvarId : MVarId) : MetavarDe
   | none      => panic! "unknown metavariable"
 
 def _root_.Lean.MVarId.isAssignable [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
-  markUsedAssignment
   let mctx ← getMCtx
   let decl := mctx.getDecl mvarId
   return decl.depth == mctx.depth
@@ -430,7 +412,7 @@ def hasAssignableMVar [Monad m] [MonadMCtx m] : Expr → m Bool
   This is a low-level API, and it is safer to use `isLevelDefEq (mkLevelMVar mvarId) u`.
 -/
 def assignLevelMVar [MonadMCtx m] (mvarId : LMVarId) (val : Level) : m Unit :=
-  modifyMCtx fun m => { m with lAssignment := m.lAssignment.insert mvarId val, usedAssignment := true }
+  modifyMCtx fun m => { m with lAssignment := m.lAssignment.insert mvarId val }
 
 /--
 Add `mvarId := x` to the metavariable assignment.
@@ -439,14 +421,14 @@ a cycle is being introduced, or whether the expression has the right type.
 This is a low-level API, and it is safer to use `isDefEq (mkMVar mvarId) x`.
 -/
 def _root_.Lean.MVarId.assign [MonadMCtx m] (mvarId : MVarId) (val : Expr) : m Unit :=
-  modifyMCtx fun m => { m with eAssignment := m.eAssignment.insert mvarId val, usedAssignment := true }
+  modifyMCtx fun m => { m with eAssignment := m.eAssignment.insert mvarId val }
 
 @[deprecated MVarId.assign]
 def assignExprMVar [MonadMCtx m] (mvarId : MVarId) (val : Expr) : m Unit :=
   mvarId.assign val
 
 def assignDelayedMVar [MonadMCtx m] (mvarId : MVarId) (fvars : Array Expr) (mvarIdPending : MVarId) : m Unit :=
-  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, mvarIdPending }, usedAssignment := true }
+  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, mvarIdPending } }
 
 /--
 Notes on artificial eta-expanded terms due to metavariables.
diff --git a/stage0/stdlib/Lean/Compiler/ExternAttr.c b/stage0/stdlib/Lean/Compiler/ExternAttr.c
index b8121eab15..9aee2f4236 100644
--- a/stage0/stdlib/Lean/Compiler/ExternAttr.c
+++ b/stage0/stdlib/Lean/Compiler/ExternAttr.c
@@ -1999,23 +1999,21 @@ return x_3;
 static lean_object* _init_l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__13() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__10;
 x_3 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__11;
 x_4 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__12;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__14() {
@@ -2104,14 +2102,13 @@ x_1 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed_
 x_2 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__16;
 x_3 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__17;
 x_4 = l___private_Lean_Compiler_ExternAttr_0__Lean_getExternConstArity___closed__20;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/CoreM.c b/stage0/stdlib/Lean/CoreM.c
index 921ae2f9e8..b81aa33507 100644
--- a/stage0/stdlib/Lean/CoreM.c
+++ b/stage0/stdlib/Lean/CoreM.c
@@ -1543,23 +1543,21 @@ return x_3;
 static lean_object* _init_l_Lean_addMessageContextPartial___at_Lean_Core_instAddMessageContextCoreM___spec__1___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_addMessageContextPartial___at_Lean_Core_instAddMessageContextCoreM___spec__1___closed__1;
 x_3 = l_Lean_Core_State_infoState___default___closed__1;
 x_4 = l_Lean_Core_Cache_instLevelType___default___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_addMessageContextPartial___at_Lean_Core_instAddMessageContextCoreM___spec__1___closed__3() {
diff --git a/stage0/stdlib/Lean/Elab/App.c b/stage0/stdlib/Lean/Elab/App.c
index d7898b0e65..116fd38e44 100644
--- a/stage0/stdlib/Lean/Elab/App.c
+++ b/stage0/stdlib/Lean/Elab/App.c
@@ -97,7 +97,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__39(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__3___closed__2;
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLVal(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -355,6 +354,7 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__13(lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_consume_type_annotations(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__3;
@@ -415,7 +415,6 @@ lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___spec__11(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__1;
 static lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -576,7 +575,6 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___clos
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__3;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj___closed__3;
 lean_object* l_Lean_Expr_consumeMData(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_findMethod_x3f(lean_object*, lean_object*, lean_object*);
@@ -712,7 +710,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__18;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_SavedState_restore(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
 lean_object* l_Lean_Syntax_getArgs(lean_object*);
@@ -794,7 +791,6 @@ lean_object* l_Lean_Elab_Term_universeConstraintsCheckpoint___rarg(lean_object*,
 LEAN_EXPORT lean_object* l_Lean_getRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice___closed__1;
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1___boxed(lean_object*, lean_object*);
@@ -934,7 +930,6 @@ lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_ob
 static lean_object* l_Lean_Elab_throwErrorWithNestedErrors___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__13;
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__5___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_List_foldlM___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1002,6 +997,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn__
 lean_object* l_Lean_Expr_constName_x21(lean_object*);
 lean_object* l_Array_insertAt___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError(lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_getMVarErrorInfo_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -7502,252 +7498,51 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed), 4, 0);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(x_7, x_8, x_9, x_10);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_11 = lean_st_ref_get(x_9, x_10);
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_st_ref_get(x_9, x_12);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_get(x_7, x_14);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
+x_13 = lean_st_ref_get(x_7, x_12);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_17 = lean_ctor_get(x_15, 0);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_ctor_get(x_18, 6);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_19, x_1);
-x_21 = lean_box(x_20);
-lean_ctor_set(x_15, 0, x_21);
-return x_15;
+lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = lean_ctor_get(x_16, 6);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_17, x_1);
+x_19 = lean_box(x_18);
+lean_ctor_set(x_13, 0, x_19);
+return x_13;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_22 = lean_ctor_get(x_15, 0);
-x_23 = lean_ctor_get(x_15, 1);
-lean_inc(x_23);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_20 = lean_ctor_get(x_13, 0);
+x_21 = lean_ctor_get(x_13, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_13);
+x_22 = lean_ctor_get(x_20, 0);
 lean_inc(x_22);
-lean_dec(x_15);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_22, 6);
+lean_inc(x_23);
 lean_dec(x_22);
-x_25 = lean_ctor_get(x_24, 6);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_25, x_1);
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_23);
-return x_28;
+x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_23, x_1);
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_21);
+return x_26;
 }
 }
 }
@@ -8659,30 +8454,6 @@ lean_dec(x_3);
 return x_18;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -9189,7 +8960,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -9917,7 +9688,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -10645,7 +10416,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -11373,7 +11144,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -12101,7 +11872,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -12829,7 +12600,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -13131,7 +12902,7 @@ _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_117; lean_object* x_118; uint8_t x_119; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_12 = lean_ctor_get(x_1, 3);
 lean_inc(x_12);
 lean_dec(x_1);
@@ -13148,235 +12919,170 @@ lean_dec(x_15);
 x_18 = lean_ctor_get(x_16, 0);
 lean_inc(x_18);
 lean_dec(x_16);
-x_117 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
-x_118 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_118, 0, x_117);
-lean_ctor_set(x_118, 1, x_18);
-x_119 = l_Lean_Expr_hasFVar(x_12);
-if (x_119 == 0)
+x_19 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
+lean_inc(x_18);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_18);
+x_21 = l_Lean_Expr_hasFVar(x_12);
+if (x_21 == 0)
 {
-uint8_t x_120; 
-x_120 = l_Lean_Expr_hasMVar(x_12);
-if (x_120 == 0)
+uint8_t x_22; 
+x_22 = l_Lean_Expr_hasMVar(x_12);
+if (x_22 == 0)
 {
-uint8_t x_121; 
-lean_dec(x_12);
-x_121 = 0;
-x_19 = x_121;
-x_20 = x_118;
-goto block_116;
-}
-else
-{
-lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
-x_122 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__3(x_2, x_12, x_118);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_122, 1);
-lean_inc(x_124);
-lean_dec(x_122);
-x_125 = lean_unbox(x_123);
-lean_dec(x_123);
-x_19 = x_125;
-x_20 = x_124;
-goto block_116;
-}
-}
-else
-{
-lean_object* x_126; lean_object* x_127; lean_object* x_128; uint8_t x_129; 
-x_126 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11(x_2, x_12, x_118);
-x_127 = lean_ctor_get(x_126, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_126, 1);
-lean_inc(x_128);
-lean_dec(x_126);
-x_129 = lean_unbox(x_127);
-lean_dec(x_127);
-x_19 = x_129;
-x_20 = x_128;
-goto block_116;
-}
-block_116:
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
 lean_dec(x_20);
-x_22 = lean_st_ref_get(x_10, x_17);
-x_23 = lean_ctor_get(x_22, 1);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = lean_st_ref_take(x_8, x_23);
-x_25 = lean_ctor_get(x_24, 0);
-lean_inc(x_25);
-x_26 = lean_ctor_get_uint8(x_21, sizeof(void*)*8);
-if (x_26 == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_27 = lean_ctor_get(x_25, 0);
+lean_dec(x_12);
+x_23 = lean_st_ref_get(x_10, x_17);
+x_24 = lean_ctor_get(x_23, 1);
+lean_inc(x_24);
+lean_dec(x_23);
+x_25 = lean_st_ref_take(x_8, x_24);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-lean_dec(x_24);
-x_29 = lean_ctor_get(x_21, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_21, 1);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_21, 2);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_21, 3);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_21, 4);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_21, 5);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_21, 6);
+lean_dec(x_25);
+x_28 = !lean_is_exclusive(x_26);
+if (x_28 == 0)
+{
+lean_object* x_29; lean_object* x_30; uint8_t x_31; 
+x_29 = lean_ctor_get(x_26, 0);
+lean_dec(x_29);
+lean_ctor_set(x_26, 0, x_18);
+x_30 = lean_st_ref_set(x_8, x_26, x_27);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; uint8_t x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+x_33 = 0;
+x_34 = lean_box(x_33);
+lean_ctor_set(x_30, 0, x_34);
+return x_30;
+}
+else
+{
+lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; 
+x_35 = lean_ctor_get(x_30, 1);
 lean_inc(x_35);
-x_36 = lean_ctor_get(x_21, 7);
-lean_inc(x_36);
-lean_dec(x_21);
-x_37 = !lean_is_exclusive(x_25);
-if (x_37 == 0)
+lean_dec(x_30);
+x_36 = 0;
+x_37 = lean_box(x_36);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_35);
+return x_38;
+}
+}
+else
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_25, 0);
-lean_dec(x_38);
-x_39 = !lean_is_exclusive(x_27);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_40 = lean_ctor_get(x_27, 7);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_27, 6);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_27, 5);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_27, 4);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_27, 3);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_27, 2);
-lean_dec(x_45);
-x_46 = lean_ctor_get(x_27, 1);
-lean_dec(x_46);
-x_47 = lean_ctor_get(x_27, 0);
-lean_dec(x_47);
-lean_ctor_set(x_27, 7, x_36);
-lean_ctor_set(x_27, 6, x_35);
-lean_ctor_set(x_27, 5, x_34);
-lean_ctor_set(x_27, 4, x_33);
-lean_ctor_set(x_27, 3, x_32);
-lean_ctor_set(x_27, 2, x_31);
-lean_ctor_set(x_27, 1, x_30);
-lean_ctor_set(x_27, 0, x_29);
-x_48 = lean_st_ref_set(x_8, x_25, x_28);
-x_49 = !lean_is_exclusive(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = lean_ctor_get(x_48, 0);
-lean_dec(x_50);
-x_51 = lean_box(x_19);
-lean_ctor_set(x_48, 0, x_51);
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_39 = lean_ctor_get(x_26, 1);
+x_40 = lean_ctor_get(x_26, 2);
+x_41 = lean_ctor_get(x_26, 3);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_26);
+x_42 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_42, 0, x_18);
+lean_ctor_set(x_42, 1, x_39);
+lean_ctor_set(x_42, 2, x_40);
+lean_ctor_set(x_42, 3, x_41);
+x_43 = lean_st_ref_set(x_8, x_42, x_27);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+if (lean_is_exclusive(x_43)) {
+ lean_ctor_release(x_43, 0);
+ lean_ctor_release(x_43, 1);
+ x_45 = x_43;
+} else {
+ lean_dec_ref(x_43);
+ x_45 = lean_box(0);
+}
+x_46 = 0;
+x_47 = lean_box(x_46);
+if (lean_is_scalar(x_45)) {
+ x_48 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_48 = x_45;
+}
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_44);
 return x_48;
 }
+}
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_48, 1);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+lean_dec(x_18);
+x_49 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__3(x_2, x_12, x_20);
+x_50 = lean_ctor_get(x_49, 1);
+lean_inc(x_50);
+x_51 = lean_ctor_get(x_49, 0);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = lean_ctor_get(x_50, 1);
 lean_inc(x_52);
-lean_dec(x_48);
-x_53 = lean_box(x_19);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_53);
-lean_ctor_set(x_54, 1, x_52);
-return x_54;
-}
+lean_dec(x_50);
+x_53 = lean_st_ref_get(x_10, x_17);
+x_54 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+lean_dec(x_53);
+x_55 = lean_st_ref_take(x_8, x_54);
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = !lean_is_exclusive(x_56);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+x_59 = lean_ctor_get(x_56, 0);
+lean_dec(x_59);
+lean_ctor_set(x_56, 0, x_52);
+x_60 = lean_st_ref_set(x_8, x_56, x_57);
+x_61 = !lean_is_exclusive(x_60);
+if (x_61 == 0)
+{
+lean_object* x_62; 
+x_62 = lean_ctor_get(x_60, 0);
+lean_dec(x_62);
+lean_ctor_set(x_60, 0, x_51);
+return x_60;
 }
 else
 {
-uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_55 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
-lean_dec(x_27);
-x_56 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_56, 0, x_29);
-lean_ctor_set(x_56, 1, x_30);
-lean_ctor_set(x_56, 2, x_31);
-lean_ctor_set(x_56, 3, x_32);
-lean_ctor_set(x_56, 4, x_33);
-lean_ctor_set(x_56, 5, x_34);
-lean_ctor_set(x_56, 6, x_35);
-lean_ctor_set(x_56, 7, x_36);
-lean_ctor_set_uint8(x_56, sizeof(void*)*8, x_55);
-lean_ctor_set(x_25, 0, x_56);
-x_57 = lean_st_ref_set(x_8, x_25, x_28);
-x_58 = lean_ctor_get(x_57, 1);
-lean_inc(x_58);
-if (lean_is_exclusive(x_57)) {
- lean_ctor_release(x_57, 0);
- lean_ctor_release(x_57, 1);
- x_59 = x_57;
-} else {
- lean_dec_ref(x_57);
- x_59 = lean_box(0);
-}
-x_60 = lean_box(x_19);
-if (lean_is_scalar(x_59)) {
- x_61 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_61 = x_59;
-}
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
-}
-}
-else
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_62 = lean_ctor_get(x_25, 1);
-x_63 = lean_ctor_get(x_25, 2);
-x_64 = lean_ctor_get(x_25, 3);
-lean_inc(x_64);
+lean_object* x_63; lean_object* x_64; 
+x_63 = lean_ctor_get(x_60, 1);
 lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_25);
-x_65 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- lean_ctor_release(x_27, 2);
- lean_ctor_release(x_27, 3);
- lean_ctor_release(x_27, 4);
- lean_ctor_release(x_27, 5);
- lean_ctor_release(x_27, 6);
- lean_ctor_release(x_27, 7);
- x_66 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_66 = lean_box(0);
+lean_dec(x_60);
+x_64 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_64, 0, x_51);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
 }
-if (lean_is_scalar(x_66)) {
- x_67 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_67 = x_66;
 }
-lean_ctor_set(x_67, 0, x_29);
-lean_ctor_set(x_67, 1, x_30);
-lean_ctor_set(x_67, 2, x_31);
-lean_ctor_set(x_67, 3, x_32);
-lean_ctor_set(x_67, 4, x_33);
-lean_ctor_set(x_67, 5, x_34);
-lean_ctor_set(x_67, 6, x_35);
-lean_ctor_set(x_67, 7, x_36);
-lean_ctor_set_uint8(x_67, sizeof(void*)*8, x_65);
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_65 = lean_ctor_get(x_56, 1);
+x_66 = lean_ctor_get(x_56, 2);
+x_67 = lean_ctor_get(x_56, 3);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_dec(x_56);
 x_68 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_62);
-lean_ctor_set(x_68, 2, x_63);
-lean_ctor_set(x_68, 3, x_64);
-x_69 = lean_st_ref_set(x_8, x_68, x_28);
+lean_ctor_set(x_68, 0, x_52);
+lean_ctor_set(x_68, 1, x_65);
+lean_ctor_set(x_68, 2, x_66);
+lean_ctor_set(x_68, 3, x_67);
+x_69 = lean_st_ref_set(x_8, x_68, x_57);
 x_70 = lean_ctor_get(x_69, 1);
 lean_inc(x_70);
 if (lean_is_exclusive(x_69)) {
@@ -13387,668 +13093,317 @@ if (lean_is_exclusive(x_69)) {
  lean_dec_ref(x_69);
  x_71 = lean_box(0);
 }
-x_72 = lean_box(x_19);
 if (lean_is_scalar(x_71)) {
- x_73 = lean_alloc_ctor(0, 2, 0);
+ x_72 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_73 = x_71;
+ x_72 = x_71;
+}
+lean_ctor_set(x_72, 0, x_51);
+lean_ctor_set(x_72, 1, x_70);
+return x_72;
 }
-lean_ctor_set(x_73, 0, x_72);
-lean_ctor_set(x_73, 1, x_70);
-return x_73;
 }
 }
 else
 {
-lean_object* x_74; uint8_t x_75; 
-x_74 = lean_ctor_get(x_24, 1);
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+lean_dec(x_18);
+x_73 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11(x_2, x_12, x_20);
+x_74 = lean_ctor_get(x_73, 1);
 lean_inc(x_74);
-lean_dec(x_24);
-x_75 = !lean_is_exclusive(x_21);
-if (x_75 == 0)
-{
-uint8_t x_76; 
-x_76 = !lean_is_exclusive(x_25);
-if (x_76 == 0)
-{
-lean_object* x_77; uint8_t x_78; lean_object* x_79; uint8_t x_80; 
-x_77 = lean_ctor_get(x_25, 0);
+x_75 = lean_ctor_get(x_73, 0);
+lean_inc(x_75);
+lean_dec(x_73);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = lean_st_ref_get(x_10, x_17);
+x_78 = lean_ctor_get(x_77, 1);
+lean_inc(x_78);
 lean_dec(x_77);
-x_78 = 1;
-lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_78);
-lean_ctor_set(x_25, 0, x_21);
-x_79 = lean_st_ref_set(x_8, x_25, x_74);
-x_80 = !lean_is_exclusive(x_79);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_79, 0);
-lean_dec(x_81);
-x_82 = lean_box(x_19);
-lean_ctor_set(x_79, 0, x_82);
-return x_79;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_79, 1);
-lean_inc(x_83);
+x_79 = lean_st_ref_take(x_8, x_78);
+x_80 = lean_ctor_get(x_79, 0);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_79, 1);
+lean_inc(x_81);
 lean_dec(x_79);
-x_84 = lean_box(x_19);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-return x_85;
-}
+x_82 = !lean_is_exclusive(x_80);
+if (x_82 == 0)
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; 
+x_83 = lean_ctor_get(x_80, 0);
+lean_dec(x_83);
+lean_ctor_set(x_80, 0, x_76);
+x_84 = lean_st_ref_set(x_8, x_80, x_81);
+x_85 = !lean_is_exclusive(x_84);
+if (x_85 == 0)
+{
+lean_object* x_86; 
+x_86 = lean_ctor_get(x_84, 0);
+lean_dec(x_86);
+lean_ctor_set(x_84, 0, x_75);
+return x_84;
 }
 else
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_86 = lean_ctor_get(x_25, 1);
-x_87 = lean_ctor_get(x_25, 2);
-x_88 = lean_ctor_get(x_25, 3);
-lean_inc(x_88);
+lean_object* x_87; lean_object* x_88; 
+x_87 = lean_ctor_get(x_84, 1);
 lean_inc(x_87);
-lean_inc(x_86);
-lean_dec(x_25);
-x_89 = 1;
-lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_89);
-x_90 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_90, 0, x_21);
-lean_ctor_set(x_90, 1, x_86);
-lean_ctor_set(x_90, 2, x_87);
-lean_ctor_set(x_90, 3, x_88);
-x_91 = lean_st_ref_set(x_8, x_90, x_74);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- x_93 = x_91;
-} else {
- lean_dec_ref(x_91);
- x_93 = lean_box(0);
-}
-x_94 = lean_box(x_19);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-return x_95;
+lean_dec(x_84);
+x_88 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_88, 0, x_75);
+lean_ctor_set(x_88, 1, x_87);
+return x_88;
 }
 }
 else
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_96 = lean_ctor_get(x_21, 0);
-x_97 = lean_ctor_get(x_21, 1);
-x_98 = lean_ctor_get(x_21, 2);
-x_99 = lean_ctor_get(x_21, 3);
-x_100 = lean_ctor_get(x_21, 4);
-x_101 = lean_ctor_get(x_21, 5);
-x_102 = lean_ctor_get(x_21, 6);
-x_103 = lean_ctor_get(x_21, 7);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_89 = lean_ctor_get(x_80, 1);
+x_90 = lean_ctor_get(x_80, 2);
+x_91 = lean_ctor_get(x_80, 3);
+lean_inc(x_91);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_dec(x_80);
+x_92 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_92, 0, x_76);
+lean_ctor_set(x_92, 1, x_89);
+lean_ctor_set(x_92, 2, x_90);
+lean_ctor_set(x_92, 3, x_91);
+x_93 = lean_st_ref_set(x_8, x_92, x_81);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+if (lean_is_exclusive(x_93)) {
+ lean_ctor_release(x_93, 0);
+ lean_ctor_release(x_93, 1);
+ x_95 = x_93;
+} else {
+ lean_dec_ref(x_93);
+ x_95 = lean_box(0);
+}
+if (lean_is_scalar(x_95)) {
+ x_96 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_96 = x_95;
+}
+lean_ctor_set(x_96, 0, x_75);
+lean_ctor_set(x_96, 1, x_94);
+return x_96;
+}
+}
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; uint8_t x_132; lean_object* x_133; lean_object* x_146; lean_object* x_147; uint8_t x_148; 
+x_97 = lean_ctor_get(x_1, 3);
 lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_21);
-x_104 = lean_ctor_get(x_25, 1);
+x_98 = lean_ctor_get(x_1, 4);
+lean_inc(x_98);
+lean_dec(x_1);
+x_99 = lean_st_ref_get(x_10, x_11);
+x_100 = lean_ctor_get(x_99, 1);
+lean_inc(x_100);
+lean_dec(x_99);
+x_101 = lean_st_ref_get(x_8, x_100);
+x_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_101, 1);
+lean_inc(x_103);
+lean_dec(x_101);
+x_104 = lean_ctor_get(x_102, 0);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_25, 2);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_25, 3);
-lean_inc(x_106);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- lean_ctor_release(x_25, 2);
- lean_ctor_release(x_25, 3);
- x_107 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_107 = lean_box(0);
+lean_dec(x_102);
+x_146 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_146);
+lean_ctor_set(x_147, 1, x_104);
+x_148 = l_Lean_Expr_hasFVar(x_97);
+if (x_148 == 0)
+{
+uint8_t x_149; 
+x_149 = l_Lean_Expr_hasMVar(x_97);
+if (x_149 == 0)
+{
+uint8_t x_150; 
+lean_dec(x_97);
+x_150 = 0;
+x_132 = x_150;
+x_133 = x_147;
+goto block_145;
 }
-x_108 = 1;
-x_109 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_109, 0, x_96);
-lean_ctor_set(x_109, 1, x_97);
-lean_ctor_set(x_109, 2, x_98);
-lean_ctor_set(x_109, 3, x_99);
-lean_ctor_set(x_109, 4, x_100);
-lean_ctor_set(x_109, 5, x_101);
-lean_ctor_set(x_109, 6, x_102);
-lean_ctor_set(x_109, 7, x_103);
-lean_ctor_set_uint8(x_109, sizeof(void*)*8, x_108);
-if (lean_is_scalar(x_107)) {
- x_110 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_110 = x_107;
+else
+{
+lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_151 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__35(x_2, x_97, x_147);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = lean_unbox(x_152);
+lean_dec(x_152);
+x_132 = x_154;
+x_133 = x_153;
+goto block_145;
 }
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_104);
-lean_ctor_set(x_110, 2, x_105);
-lean_ctor_set(x_110, 3, x_106);
-x_111 = lean_st_ref_set(x_8, x_110, x_74);
-x_112 = lean_ctor_get(x_111, 1);
+}
+else
+{
+lean_object* x_155; lean_object* x_156; lean_object* x_157; uint8_t x_158; 
+x_155 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__43(x_2, x_97, x_147);
+x_156 = lean_ctor_get(x_155, 0);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_155, 1);
+lean_inc(x_157);
+lean_dec(x_155);
+x_158 = lean_unbox(x_156);
+lean_dec(x_156);
+x_132 = x_158;
+x_133 = x_157;
+goto block_145;
+}
+block_131:
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_107 = lean_ctor_get(x_106, 1);
+lean_inc(x_107);
+lean_dec(x_106);
+x_108 = lean_st_ref_get(x_10, x_103);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+lean_dec(x_108);
+x_110 = lean_st_ref_take(x_8, x_109);
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_110, 1);
 lean_inc(x_112);
-if (lean_is_exclusive(x_111)) {
- lean_ctor_release(x_111, 0);
- lean_ctor_release(x_111, 1);
- x_113 = x_111;
-} else {
- lean_dec_ref(x_111);
- x_113 = lean_box(0);
-}
-x_114 = lean_box(x_19);
-if (lean_is_scalar(x_113)) {
- x_115 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_115 = x_113;
-}
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_112);
+lean_dec(x_110);
+x_113 = !lean_is_exclusive(x_111);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+x_114 = lean_ctor_get(x_111, 0);
+lean_dec(x_114);
+lean_ctor_set(x_111, 0, x_107);
+x_115 = lean_st_ref_set(x_8, x_111, x_112);
+x_116 = !lean_is_exclusive(x_115);
+if (x_116 == 0)
+{
+lean_object* x_117; lean_object* x_118; 
+x_117 = lean_ctor_get(x_115, 0);
+lean_dec(x_117);
+x_118 = lean_box(x_105);
+lean_ctor_set(x_115, 0, x_118);
 return x_115;
 }
-}
+else
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_119 = lean_ctor_get(x_115, 1);
+lean_inc(x_119);
+lean_dec(x_115);
+x_120 = lean_box(x_105);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_120);
+lean_ctor_set(x_121, 1, x_119);
+return x_121;
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; lean_object* x_139; uint8_t x_236; lean_object* x_237; lean_object* x_250; lean_object* x_251; uint8_t x_252; 
-x_130 = lean_ctor_get(x_1, 3);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_1, 4);
-lean_inc(x_131);
-lean_dec(x_1);
-x_132 = lean_st_ref_get(x_10, x_11);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-lean_dec(x_132);
-x_134 = lean_st_ref_get(x_8, x_133);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_ctor_get(x_135, 0);
-lean_inc(x_137);
-lean_dec(x_135);
-x_250 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
-x_251 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_251, 0, x_250);
-lean_ctor_set(x_251, 1, x_137);
-x_252 = l_Lean_Expr_hasFVar(x_130);
-if (x_252 == 0)
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_122 = lean_ctor_get(x_111, 1);
+x_123 = lean_ctor_get(x_111, 2);
+x_124 = lean_ctor_get(x_111, 3);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_111);
+x_125 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_125, 0, x_107);
+lean_ctor_set(x_125, 1, x_122);
+lean_ctor_set(x_125, 2, x_123);
+lean_ctor_set(x_125, 3, x_124);
+x_126 = lean_st_ref_set(x_8, x_125, x_112);
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_128 = x_126;
+} else {
+ lean_dec_ref(x_126);
+ x_128 = lean_box(0);
+}
+x_129 = lean_box(x_105);
+if (lean_is_scalar(x_128)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_128;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_127);
+return x_130;
+}
+}
+block_145:
 {
-uint8_t x_253; 
-x_253 = l_Lean_Expr_hasMVar(x_130);
-if (x_253 == 0)
+if (x_132 == 0)
 {
-uint8_t x_254; 
-lean_dec(x_130);
-x_254 = 0;
-x_236 = x_254;
-x_237 = x_251;
-goto block_249;
+uint8_t x_134; 
+x_134 = l_Lean_Expr_hasFVar(x_98);
+if (x_134 == 0)
+{
+uint8_t x_135; 
+x_135 = l_Lean_Expr_hasMVar(x_98);
+if (x_135 == 0)
+{
+uint8_t x_136; 
+lean_dec(x_98);
+x_136 = 0;
+x_105 = x_136;
+x_106 = x_133;
+goto block_131;
 }
 else
 {
-lean_object* x_255; lean_object* x_256; lean_object* x_257; uint8_t x_258; 
-x_255 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__35(x_2, x_130, x_251);
-x_256 = lean_ctor_get(x_255, 0);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_255, 1);
-lean_inc(x_257);
-lean_dec(x_255);
-x_258 = lean_unbox(x_256);
-lean_dec(x_256);
-x_236 = x_258;
-x_237 = x_257;
-goto block_249;
+lean_object* x_137; lean_object* x_138; lean_object* x_139; uint8_t x_140; 
+x_137 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__19(x_2, x_98, x_133);
+x_138 = lean_ctor_get(x_137, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_137, 1);
+lean_inc(x_139);
+lean_dec(x_137);
+x_140 = lean_unbox(x_138);
+lean_dec(x_138);
+x_105 = x_140;
+x_106 = x_139;
+goto block_131;
 }
 }
 else
 {
-lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_259 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__43(x_2, x_130, x_251);
-x_260 = lean_ctor_get(x_259, 0);
-lean_inc(x_260);
-x_261 = lean_ctor_get(x_259, 1);
-lean_inc(x_261);
-lean_dec(x_259);
-x_262 = lean_unbox(x_260);
-lean_dec(x_260);
-x_236 = x_262;
-x_237 = x_261;
-goto block_249;
-}
-block_235:
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; 
-x_140 = lean_ctor_get(x_139, 1);
-lean_inc(x_140);
-lean_dec(x_139);
-x_141 = lean_st_ref_get(x_10, x_136);
-x_142 = lean_ctor_get(x_141, 1);
+lean_object* x_141; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_141 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__27(x_2, x_98, x_133);
+x_142 = lean_ctor_get(x_141, 0);
 lean_inc(x_142);
+x_143 = lean_ctor_get(x_141, 1);
+lean_inc(x_143);
 lean_dec(x_141);
-x_143 = lean_st_ref_take(x_8, x_142);
-x_144 = lean_ctor_get(x_143, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get_uint8(x_140, sizeof(void*)*8);
-if (x_145 == 0)
-{
-lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; uint8_t x_156; 
-x_146 = lean_ctor_get(x_144, 0);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_143, 1);
-lean_inc(x_147);
-lean_dec(x_143);
-x_148 = lean_ctor_get(x_140, 0);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_140, 1);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_140, 2);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_140, 3);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_140, 4);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_140, 5);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_140, 6);
-lean_inc(x_154);
-x_155 = lean_ctor_get(x_140, 7);
-lean_inc(x_155);
-lean_dec(x_140);
-x_156 = !lean_is_exclusive(x_144);
-if (x_156 == 0)
-{
-lean_object* x_157; uint8_t x_158; 
-x_157 = lean_ctor_get(x_144, 0);
-lean_dec(x_157);
-x_158 = !lean_is_exclusive(x_146);
-if (x_158 == 0)
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
-x_159 = lean_ctor_get(x_146, 7);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_146, 6);
-lean_dec(x_160);
-x_161 = lean_ctor_get(x_146, 5);
-lean_dec(x_161);
-x_162 = lean_ctor_get(x_146, 4);
-lean_dec(x_162);
-x_163 = lean_ctor_get(x_146, 3);
-lean_dec(x_163);
-x_164 = lean_ctor_get(x_146, 2);
-lean_dec(x_164);
-x_165 = lean_ctor_get(x_146, 1);
-lean_dec(x_165);
-x_166 = lean_ctor_get(x_146, 0);
-lean_dec(x_166);
-lean_ctor_set(x_146, 7, x_155);
-lean_ctor_set(x_146, 6, x_154);
-lean_ctor_set(x_146, 5, x_153);
-lean_ctor_set(x_146, 4, x_152);
-lean_ctor_set(x_146, 3, x_151);
-lean_ctor_set(x_146, 2, x_150);
-lean_ctor_set(x_146, 1, x_149);
-lean_ctor_set(x_146, 0, x_148);
-x_167 = lean_st_ref_set(x_8, x_144, x_147);
-x_168 = !lean_is_exclusive(x_167);
-if (x_168 == 0)
-{
-lean_object* x_169; lean_object* x_170; 
-x_169 = lean_ctor_get(x_167, 0);
-lean_dec(x_169);
-x_170 = lean_box(x_138);
-lean_ctor_set(x_167, 0, x_170);
-return x_167;
-}
-else
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_171 = lean_ctor_get(x_167, 1);
-lean_inc(x_171);
-lean_dec(x_167);
-x_172 = lean_box(x_138);
-x_173 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_173, 0, x_172);
-lean_ctor_set(x_173, 1, x_171);
-return x_173;
+x_144 = lean_unbox(x_142);
+lean_dec(x_142);
+x_105 = x_144;
+x_106 = x_143;
+goto block_131;
 }
 }
 else
 {
-uint8_t x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
-x_174 = lean_ctor_get_uint8(x_146, sizeof(void*)*8);
-lean_dec(x_146);
-x_175 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_175, 0, x_148);
-lean_ctor_set(x_175, 1, x_149);
-lean_ctor_set(x_175, 2, x_150);
-lean_ctor_set(x_175, 3, x_151);
-lean_ctor_set(x_175, 4, x_152);
-lean_ctor_set(x_175, 5, x_153);
-lean_ctor_set(x_175, 6, x_154);
-lean_ctor_set(x_175, 7, x_155);
-lean_ctor_set_uint8(x_175, sizeof(void*)*8, x_174);
-lean_ctor_set(x_144, 0, x_175);
-x_176 = lean_st_ref_set(x_8, x_144, x_147);
-x_177 = lean_ctor_get(x_176, 1);
-lean_inc(x_177);
-if (lean_is_exclusive(x_176)) {
- lean_ctor_release(x_176, 0);
- lean_ctor_release(x_176, 1);
- x_178 = x_176;
-} else {
- lean_dec_ref(x_176);
- x_178 = lean_box(0);
-}
-x_179 = lean_box(x_138);
-if (lean_is_scalar(x_178)) {
- x_180 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_180 = x_178;
-}
-lean_ctor_set(x_180, 0, x_179);
-lean_ctor_set(x_180, 1, x_177);
-return x_180;
-}
-}
-else
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-x_181 = lean_ctor_get(x_144, 1);
-x_182 = lean_ctor_get(x_144, 2);
-x_183 = lean_ctor_get(x_144, 3);
-lean_inc(x_183);
-lean_inc(x_182);
-lean_inc(x_181);
-lean_dec(x_144);
-x_184 = lean_ctor_get_uint8(x_146, sizeof(void*)*8);
-if (lean_is_exclusive(x_146)) {
- lean_ctor_release(x_146, 0);
- lean_ctor_release(x_146, 1);
- lean_ctor_release(x_146, 2);
- lean_ctor_release(x_146, 3);
- lean_ctor_release(x_146, 4);
- lean_ctor_release(x_146, 5);
- lean_ctor_release(x_146, 6);
- lean_ctor_release(x_146, 7);
- x_185 = x_146;
-} else {
- lean_dec_ref(x_146);
- x_185 = lean_box(0);
-}
-if (lean_is_scalar(x_185)) {
- x_186 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_186 = x_185;
-}
-lean_ctor_set(x_186, 0, x_148);
-lean_ctor_set(x_186, 1, x_149);
-lean_ctor_set(x_186, 2, x_150);
-lean_ctor_set(x_186, 3, x_151);
-lean_ctor_set(x_186, 4, x_152);
-lean_ctor_set(x_186, 5, x_153);
-lean_ctor_set(x_186, 6, x_154);
-lean_ctor_set(x_186, 7, x_155);
-lean_ctor_set_uint8(x_186, sizeof(void*)*8, x_184);
-x_187 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_187, 0, x_186);
-lean_ctor_set(x_187, 1, x_181);
-lean_ctor_set(x_187, 2, x_182);
-lean_ctor_set(x_187, 3, x_183);
-x_188 = lean_st_ref_set(x_8, x_187, x_147);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-if (lean_is_exclusive(x_188)) {
- lean_ctor_release(x_188, 0);
- lean_ctor_release(x_188, 1);
- x_190 = x_188;
-} else {
- lean_dec_ref(x_188);
- x_190 = lean_box(0);
-}
-x_191 = lean_box(x_138);
-if (lean_is_scalar(x_190)) {
- x_192 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_192 = x_190;
-}
-lean_ctor_set(x_192, 0, x_191);
-lean_ctor_set(x_192, 1, x_189);
-return x_192;
-}
-}
-else
-{
-lean_object* x_193; uint8_t x_194; 
-x_193 = lean_ctor_get(x_143, 1);
-lean_inc(x_193);
-lean_dec(x_143);
-x_194 = !lean_is_exclusive(x_140);
-if (x_194 == 0)
-{
-uint8_t x_195; 
-x_195 = !lean_is_exclusive(x_144);
-if (x_195 == 0)
-{
-lean_object* x_196; uint8_t x_197; lean_object* x_198; uint8_t x_199; 
-x_196 = lean_ctor_get(x_144, 0);
-lean_dec(x_196);
-x_197 = 1;
-lean_ctor_set_uint8(x_140, sizeof(void*)*8, x_197);
-lean_ctor_set(x_144, 0, x_140);
-x_198 = lean_st_ref_set(x_8, x_144, x_193);
-x_199 = !lean_is_exclusive(x_198);
-if (x_199 == 0)
-{
-lean_object* x_200; lean_object* x_201; 
-x_200 = lean_ctor_get(x_198, 0);
-lean_dec(x_200);
-x_201 = lean_box(x_138);
-lean_ctor_set(x_198, 0, x_201);
-return x_198;
-}
-else
-{
-lean_object* x_202; lean_object* x_203; lean_object* x_204; 
-x_202 = lean_ctor_get(x_198, 1);
-lean_inc(x_202);
-lean_dec(x_198);
-x_203 = lean_box(x_138);
-x_204 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_204, 0, x_203);
-lean_ctor_set(x_204, 1, x_202);
-return x_204;
-}
-}
-else
-{
-lean_object* x_205; lean_object* x_206; lean_object* x_207; uint8_t x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_205 = lean_ctor_get(x_144, 1);
-x_206 = lean_ctor_get(x_144, 2);
-x_207 = lean_ctor_get(x_144, 3);
-lean_inc(x_207);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_dec(x_144);
-x_208 = 1;
-lean_ctor_set_uint8(x_140, sizeof(void*)*8, x_208);
-x_209 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_209, 0, x_140);
-lean_ctor_set(x_209, 1, x_205);
-lean_ctor_set(x_209, 2, x_206);
-lean_ctor_set(x_209, 3, x_207);
-x_210 = lean_st_ref_set(x_8, x_209, x_193);
-x_211 = lean_ctor_get(x_210, 1);
-lean_inc(x_211);
-if (lean_is_exclusive(x_210)) {
- lean_ctor_release(x_210, 0);
- lean_ctor_release(x_210, 1);
- x_212 = x_210;
-} else {
- lean_dec_ref(x_210);
- x_212 = lean_box(0);
-}
-x_213 = lean_box(x_138);
-if (lean_is_scalar(x_212)) {
- x_214 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_214 = x_212;
-}
-lean_ctor_set(x_214, 0, x_213);
-lean_ctor_set(x_214, 1, x_211);
-return x_214;
-}
-}
-else
-{
-lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; uint8_t x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_215 = lean_ctor_get(x_140, 0);
-x_216 = lean_ctor_get(x_140, 1);
-x_217 = lean_ctor_get(x_140, 2);
-x_218 = lean_ctor_get(x_140, 3);
-x_219 = lean_ctor_get(x_140, 4);
-x_220 = lean_ctor_get(x_140, 5);
-x_221 = lean_ctor_get(x_140, 6);
-x_222 = lean_ctor_get(x_140, 7);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_dec(x_140);
-x_223 = lean_ctor_get(x_144, 1);
-lean_inc(x_223);
-x_224 = lean_ctor_get(x_144, 2);
-lean_inc(x_224);
-x_225 = lean_ctor_get(x_144, 3);
-lean_inc(x_225);
-if (lean_is_exclusive(x_144)) {
- lean_ctor_release(x_144, 0);
- lean_ctor_release(x_144, 1);
- lean_ctor_release(x_144, 2);
- lean_ctor_release(x_144, 3);
- x_226 = x_144;
-} else {
- lean_dec_ref(x_144);
- x_226 = lean_box(0);
-}
-x_227 = 1;
-x_228 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_228, 0, x_215);
-lean_ctor_set(x_228, 1, x_216);
-lean_ctor_set(x_228, 2, x_217);
-lean_ctor_set(x_228, 3, x_218);
-lean_ctor_set(x_228, 4, x_219);
-lean_ctor_set(x_228, 5, x_220);
-lean_ctor_set(x_228, 6, x_221);
-lean_ctor_set(x_228, 7, x_222);
-lean_ctor_set_uint8(x_228, sizeof(void*)*8, x_227);
-if (lean_is_scalar(x_226)) {
- x_229 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_229 = x_226;
-}
-lean_ctor_set(x_229, 0, x_228);
-lean_ctor_set(x_229, 1, x_223);
-lean_ctor_set(x_229, 2, x_224);
-lean_ctor_set(x_229, 3, x_225);
-x_230 = lean_st_ref_set(x_8, x_229, x_193);
-x_231 = lean_ctor_get(x_230, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_230)) {
- lean_ctor_release(x_230, 0);
- lean_ctor_release(x_230, 1);
- x_232 = x_230;
-} else {
- lean_dec_ref(x_230);
- x_232 = lean_box(0);
-}
-x_233 = lean_box(x_138);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-return x_234;
-}
-}
-}
-block_249:
-{
-if (x_236 == 0)
-{
-uint8_t x_238; 
-x_238 = l_Lean_Expr_hasFVar(x_131);
-if (x_238 == 0)
-{
-uint8_t x_239; 
-x_239 = l_Lean_Expr_hasMVar(x_131);
-if (x_239 == 0)
-{
-uint8_t x_240; 
-lean_dec(x_131);
-x_240 = 0;
-x_138 = x_240;
-x_139 = x_237;
-goto block_235;
-}
-else
-{
-lean_object* x_241; lean_object* x_242; lean_object* x_243; uint8_t x_244; 
-x_241 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__19(x_2, x_131, x_237);
-x_242 = lean_ctor_get(x_241, 0);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_241, 1);
-lean_inc(x_243);
-lean_dec(x_241);
-x_244 = lean_unbox(x_242);
-lean_dec(x_242);
-x_138 = x_244;
-x_139 = x_243;
-goto block_235;
-}
-}
-else
-{
-lean_object* x_245; lean_object* x_246; lean_object* x_247; uint8_t x_248; 
-x_245 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__27(x_2, x_131, x_237);
-x_246 = lean_ctor_get(x_245, 0);
-lean_inc(x_246);
-x_247 = lean_ctor_get(x_245, 1);
-lean_inc(x_247);
-lean_dec(x_245);
-x_248 = lean_unbox(x_246);
-lean_dec(x_246);
-x_138 = x_248;
-x_139 = x_247;
-goto block_235;
-}
-}
-else
-{
-lean_dec(x_131);
-x_138 = x_236;
-x_139 = x_237;
-goto block_235;
+lean_dec(x_98);
+x_105 = x_132;
+x_106 = x_133;
+goto block_131;
 }
 }
 }
@@ -24214,7 +23569,7 @@ lean_dec(x_23);
 lean_dec(x_3);
 lean_dec(x_1);
 x_29 = l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__5___closed__2;
-x_30 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_30 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -28711,7 +28066,7 @@ x_52 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda
 x_53 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_53, 0, x_51);
 lean_ctor_set(x_53, 1, x_52);
-x_54 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_53, x_10, x_11, x_12, x_13, x_14, x_15, x_39);
+x_54 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_53, x_10, x_11, x_12, x_13, x_14, x_15, x_39);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -29459,7 +28814,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals___closed__2;
-x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -30723,7 +30078,7 @@ x_108 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_108, 0, x_106);
 lean_ctor_set(x_108, 1, x_107);
 lean_inc(x_5);
-x_109 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_108, x_5, x_6, x_7, x_8, x_9, x_10, x_97);
+x_109 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_108, x_5, x_6, x_7, x_8, x_9, x_10, x_97);
 x_110 = lean_ctor_get(x_109, 0);
 lean_inc(x_110);
 x_111 = lean_ctor_get(x_109, 1);
diff --git a/stage0/stdlib/Lean/Elab/Binders.c b/stage0/stdlib/Lean/Elab/Binders.c
index 05a59877f9..26c9b18a4c 100644
--- a/stage0/stdlib/Lean/Elab/Binders.c
+++ b/stage0/stdlib/Lean/Elab/Binders.c
@@ -628,7 +628,6 @@ lean_object* l_Lean_Elab_Term_universeConstraintsCheckpoint___rarg(lean_object*,
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__41;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetFunDecl_declRange___closed__2;
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabLetDeclCore___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandFun___closed__3;
@@ -758,6 +757,7 @@ static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Binders___hyg_1952_
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabForall___closed__3;
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_elabBinderViews_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandFun_declRange___closed__5;
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabLetDeclCore___closed__3;
 static lean_object* l_Lean_Elab_Term_elabLetDeclCore___lambda__2___closed__1;
 static lean_object* l_Lean_Elab_Term_expandFunBinders_loop___closed__4;
@@ -6606,7 +6606,7 @@ x_21 = l___private_Lean_Elab_Binders_0__Lean_Elab_Term_checkLocalInstanceParamet
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_22, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
+x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_22, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -6726,7 +6726,7 @@ x_11 = lean_ctor_get(x_7, 5);
 x_12 = l_Lean_replaceRef(x_1, x_11);
 lean_dec(x_11);
 lean_ctor_set(x_7, 5, x_12);
-x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_7);
 return x_13;
 }
@@ -6770,7 +6770,7 @@ lean_ctor_set(x_26, 7, x_21);
 lean_ctor_set(x_26, 8, x_22);
 lean_ctor_set(x_26, 9, x_23);
 lean_ctor_set(x_26, 10, x_24);
-x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
+x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
 lean_dec(x_26);
 return x_27;
 }
@@ -26775,7 +26775,7 @@ x_35 = lean_ctor_get(x_32, 1);
 lean_inc(x_35);
 lean_dec(x_32);
 x_36 = l_Lean_Elab_Term_elabLetDeclAux___lambda__3___closed__2;
-x_37 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
+x_37 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -28385,7 +28385,7 @@ lean_dec(x_16);
 lean_dec(x_2);
 lean_dec(x_1);
 x_46 = l_Lean_Elab_Term_elabLetDeclCore___closed__6;
-x_47 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_46, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_47 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_46, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
diff --git a/stage0/stdlib/Lean/Elab/BuiltinNotation.c b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
index 1d12301002..5a698af2cc 100644
--- a/stage0/stdlib/Lean/Elab/BuiltinNotation.c
+++ b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
@@ -617,7 +617,6 @@ static lean_object* l_Lean_Elab_Term_expandAssert___closed__5;
 lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabSubst___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandHave___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
@@ -799,6 +798,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabSorry___closed__5;
 static lean_object* l_Lean_Elab_Term_expandShow___closed__14;
 static lean_object* l_Lean_Elab_Term_expandAssert___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLeadingParserMacro___closed__1;
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabSubst___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandHave___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabAnonymousCtor___closed__1;
@@ -2586,7 +2586,7 @@ x_79 = l_Lean_Elab_Term_elabAnonymousCtor___lambda__3___closed__16;
 x_80 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_80, 0, x_78);
 lean_ctor_set(x_80, 1, x_79);
-x_81 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_80, x_3, x_4, x_5, x_6, x_7, x_8, x_57);
+x_81 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_80, x_3, x_4, x_5, x_6, x_7, x_8, x_57);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -19111,7 +19111,7 @@ x_81 = lean_ctor_get(x_78, 1);
 lean_inc(x_81);
 lean_dec(x_78);
 x_82 = l_Lean_Elab_Term_elabSubst___lambda__8___closed__2;
-x_83 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_82, x_3, x_4, x_5, x_6, x_7, x_8, x_81);
+x_83 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_82, x_3, x_4, x_5, x_6, x_7, x_8, x_81);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -19415,7 +19415,7 @@ x_138 = l_Lean_Elab_Term_elabSubst___closed__15;
 x_139 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_139, 0, x_137);
 lean_ctor_set(x_139, 1, x_138);
-x_140 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_139, x_3, x_4, x_5, x_6, x_7, x_8, x_125);
+x_140 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_139, x_3, x_4, x_5, x_6, x_7, x_8, x_125);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
diff --git a/stage0/stdlib/Lean/Elab/BuiltinTerm.c b/stage0/stdlib/Lean/Elab/BuiltinTerm.c
index 22c5e3dc15..3780034cdf 100644
--- a/stage0/stdlib/Lean/Elab/BuiltinTerm.c
+++ b/stage0/stdlib/Lean/Elab/BuiltinTerm.c
@@ -372,7 +372,6 @@ uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabQuotedName_docString___closed__1;
 lean_object* l_Lean_ResolveName_resolveNamespace(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabNoImplicitLambda___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabWithAnnotateTerm_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_elabSetOption_setOption___at_Lean_Elab_Term_elabSetOption___spec__3___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -440,6 +439,7 @@ LEAN_EXPORT lean_object* l_Lean_activateScoped___at_Lean_Elab_Term_elabOpen___sp
 static lean_object* l_Lean_Elab_Term_elabCharLit___closed__2;
 lean_object* lean_expr_dbg_to_string(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__18(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetMVar_declRange___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabLetMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__36(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -651,7 +651,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabEnsureExpectedType_declRan
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabCompletion_declRange___closed__1;
 static lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_resolveNameUsingNamespacesCore___at_Lean_Elab_Term_elabOpen___spec__22___lambda__1___closed__3;
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabQuotedName(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabSetOption_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabPipeCompletion___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -664,7 +663,6 @@ static lean_object* l_Lean_Elab_Term_elabPipeCompletion___lambda__1___closed__1;
 static lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_resolveNameUsingNamespacesCore___at_Lean_Elab_Term_elabOpen___spec__22___lambda__1___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabEnsureExpectedType___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabHole_declRange___closed__3;
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetMVar_declRange___closed__6;
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetMVar___closed__3;
@@ -694,6 +692,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwIllFormedSyntax___at_Lean_Elab_Term_el
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabStrLit_declRange___closed__4;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__31___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabSetOption_declRange___closed__5;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instHashableProd___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabScientificLit_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_resolveNamespace___at_Lean_Elab_Term_elabOpen___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -738,7 +737,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabOpen_declRange(lean_o
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoImplicitLambda_declRange___closed__7;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabByTactic_docString(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__20(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabEnsureExpectedType___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabRawNatLit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -815,6 +813,7 @@ lean_object* lean_uint32_to_nat(uint32_t);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabSyntheticHole___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabOpen_declRange___closed__1;
 lean_object* l_Lean_Elab_Term_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabBadCDot___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_OpenDecl_elabOpenDecl___at_Lean_Elab_Term_elabOpen___spec__3___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabSyntheticHole___closed__4;
@@ -2581,16 +2580,6 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_1);
-lean_ctor_set(x_10, 1, x_9);
-return x_10;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -2603,140 +2592,79 @@ x_11 = lean_st_ref_get(x_5, x_10);
 x_12 = !lean_is_exclusive(x_11);
 if (x_12 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
 lean_dec(x_13);
-x_16 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_15, x_1);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_ctor_set(x_11, 0, x_16);
+x_15 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_14, x_1);
+lean_ctor_set(x_11, 0, x_15);
 return x_11;
 }
 else
 {
-lean_object* x_17; uint8_t x_18; 
-lean_free_object(x_11);
-x_17 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_14);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set(x_17, 0, x_16);
-return x_17;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_16);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
-}
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_11, 0);
-x_23 = lean_ctor_get(x_11, 1);
-lean_inc(x_23);
-lean_inc(x_22);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_11, 0);
+x_17 = lean_ctor_get(x_11, 1);
+lean_inc(x_17);
+lean_inc(x_16);
 lean_dec(x_11);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_24, x_1);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; 
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_23);
-return x_26;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_27 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_23);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- x_29 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_29 = lean_box(0);
-}
-if (lean_is_scalar(x_29)) {
- x_30 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_30 = x_29;
-}
-lean_ctor_set(x_30, 0, x_25);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_18, x_1);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_17);
+return x_20;
 }
 }
 }
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Elab_Term_elabSyntheticHole___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_9 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_st_ref_get(x_7, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+x_11 = lean_st_ref_get(x_5, x_10);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_ctor_get(x_16, 7);
-lean_inc(x_17);
-lean_dec(x_16);
-x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_17, x_1);
-x_19 = lean_box(x_18);
-lean_ctor_set(x_13, 0, x_19);
-return x_13;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = lean_ctor_get(x_14, 7);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_15, x_1);
+x_17 = lean_box(x_16);
+lean_ctor_set(x_11, 0, x_17);
+return x_11;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = lean_ctor_get(x_13, 0);
-x_21 = lean_ctor_get(x_13, 1);
-lean_inc(x_21);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = lean_ctor_get(x_11, 0);
+x_19 = lean_ctor_get(x_11, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_11);
+x_20 = lean_ctor_get(x_18, 0);
 lean_inc(x_20);
-lean_dec(x_13);
-x_22 = lean_ctor_get(x_20, 0);
-lean_inc(x_22);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_20, 7);
+lean_inc(x_21);
 lean_dec(x_20);
-x_23 = lean_ctor_get(x_22, 7);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_23, x_1);
-x_25 = lean_box(x_24);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_21);
-return x_26;
+x_22 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_21, x_1);
+x_23 = lean_box(x_22);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_19);
+return x_24;
 }
 }
 }
@@ -4343,21 +4271,6 @@ return x_170;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_10;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Elab_Term_elabSyntheticHole___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -7120,6 +7033,16 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_1);
+lean_ctor_set(x_10, 1, x_9);
+return x_10;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -7217,6 +7140,21 @@ return x_27;
 }
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_mkFreshTypeMVarFor___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -9018,7 +8956,7 @@ x_14 = l___private_Lean_Elab_BuiltinTerm_0__Lean_Elab_Term_getMVarFromUserName__
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_13);
 lean_ctor_set(x_15, 1, x_14);
-x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_16;
 }
 }
@@ -11203,14 +11141,13 @@ x_1 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__2___closed__
 x_2 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__2___closed__7;
 x_3 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__2___closed__8;
 x_4 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabOpen___spec__2___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -16671,7 +16608,7 @@ lean_object* x_16; lean_object* x_17; uint8_t x_18;
 lean_dec(x_2);
 lean_dec(x_1);
 x_16 = l_Lean_Elab_elabSetOption_setOption___at_Lean_Elab_Term_elabSetOption___spec__3___closed__2;
-x_17 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
+x_17 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
diff --git a/stage0/stdlib/Lean/Elab/Command.c b/stage0/stdlib/Lean/Elab/Command.c
index e4bf3a357b..7b6754cb38 100644
--- a/stage0/stdlib/Lean/Elab/Command.c
+++ b/stage0/stdlib/Lean/Elab/Command.c
@@ -2043,23 +2043,21 @@ return x_3;
 static lean_object* _init_l_Lean_addMessageContextPartial___at_Lean_Elab_Command_instAddMessageContextCommandElabM___spec__1___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_addMessageContextPartial___at_Lean_Elab_Command_instAddMessageContextCommandElabM___spec__1___closed__1;
 x_3 = l_Lean_Elab_Command_State_infoState___default___closed__3;
 x_4 = l_Lean_Elab_Command_instInhabitedState___closed__2;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_addMessageContextPartial___at_Lean_Elab_Command_instAddMessageContextCommandElabM___spec__1___closed__3() {
@@ -19327,14 +19325,13 @@ x_1 = l_Lean_Elab_Command_liftTermElabM___rarg___closed__1;
 x_2 = l_Lean_Elab_Command_liftTermElabM___rarg___closed__3;
 x_3 = l_Lean_Elab_Command_liftTermElabM___rarg___closed__4;
 x_4 = l_Lean_Elab_Command_liftTermElabM___rarg___closed__7;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/ComputedFields.c b/stage0/stdlib/Lean/Elab/ComputedFields.c
index 594a4d9395..b8449014e1 100644
--- a/stage0/stdlib/Lean/Elab/ComputedFields.c
+++ b/stage0/stdlib/Lean/Elab/ComputedFields.c
@@ -4080,14 +4080,13 @@ x_1 = l_Lean_setEnv___at_Lean_Elab_ComputedFields_mkImplType___spec__6___closed_
 x_2 = l_Lean_setEnv___at_Lean_Elab_ComputedFields_mkImplType___spec__6___closed__7;
 x_3 = l_Lean_setEnv___at_Lean_Elab_ComputedFields_mkImplType___spec__6___closed__8;
 x_4 = l_Lean_setEnv___at_Lean_Elab_ComputedFields_mkImplType___spec__6___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/DefView.c b/stage0/stdlib/Lean/Elab/DefView.c
index edca66cc24..6dddfa5246 100644
--- a/stage0/stdlib/Lean/Elab/DefView.c
+++ b/stage0/stdlib/Lean/Elab/DefView.c
@@ -18,7 +18,6 @@ static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_DefView___hyg_21
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -26,6 +25,7 @@ lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__1;
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_DefKind_isDefOrAbbrevOrOpaque(uint8_t);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_liftTermElabM___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkDefViewOfInstance___spec__5___rarg(lean_object*);
 lean_object* l_Lean_Syntax_getOptional_x3f(lean_object*);
@@ -33,12 +33,17 @@ uint8_t l_Lean_Expr_isProp(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_DefView_0__Lean_Elab_beqDefKind____x40_Lean_Elab_DefView___hyg_15____boxed(lean_object*, lean_object*);
 lean_object* l_Lean_SourceInfo_fromRef(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_maxRecDepthErrorMessage;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkDefViewOfInstance___spec__5___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkDefViewOfInstance___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__13;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___closed__3;
+static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1;
+static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at_Lean_Elab_Command_mkDefViewOfInstance___spec__11(lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
@@ -59,19 +64,22 @@ static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfDef(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_DefKind_isExample(uint8_t);
 lean_object* l_liftExcept___at_Lean_Elab_liftMacroM___spec__1(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__8;
 extern lean_object* l_Lean_levelZero;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__2;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__10;
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfExample(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefView___closed__2;
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__4;
+static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1;
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__8;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__7;
 lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_runTermElabM___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -80,18 +88,19 @@ lean_object* l_Lean_Elab_mkFreshInstanceName(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__11;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__16;
 static lean_object* l_Lean_Elab_instBEqDefKind___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__3;
+LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandMacroImpl_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forEachExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at_Lean_Elab_Command_mkDefViewOfInstance___spec__11___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__5;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkDefViewOfInstance___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_noConfusion___rarg___lambda__1___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__1;
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveNamespace(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -104,6 +113,7 @@ uint8_t l_Char_isLower(uint32_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_isDefLike___boxed(lean_object*);
 lean_object* l_Nat_repr(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_instInhabitedDefKind;
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_isTheorem___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__12;
@@ -129,9 +139,9 @@ static lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__5___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkDefViewOfInstance___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConst(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Command_isDefLike(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkFreshInstanceName___rarg___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isForall(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -140,6 +150,7 @@ static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__6;
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_DefKind_isTheorem(uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkFreshInstanceName(lean_object*);
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkDefViewOfInstance___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkDefViewOfInstance___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -149,16 +160,17 @@ lean_object* l_Lean_Syntax_mkNumLit(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_DefKind_noConfusion___rarg___closed__1;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___closed__4;
 uint8_t l_Lean_Expr_isType(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfExample___closed__3;
 lean_object* lean_environment_main_module(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkDefViewOfInstance___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Command_instAddErrorMessageContextCommandElabM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_getCurrMacroScope(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_forM___at_Lean_Elab_Command_elabCommand___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_noConfusion___rarg___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkDefViewOfInstance___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkDefViewOfInstance___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -167,18 +179,13 @@ lean_object* l_Lean_Syntax_getArgs(lean_object*);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkInstanceName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkFreshInstanceName___boxed(lean_object*);
-static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_DefView___hyg_2170_(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2;
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__6;
 lean_object* l_Lean_Elab_Command_getMainModule___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg(lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfExample___closed__2;
 lean_object* l_Lean_Elab_Command_getRef(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandDeclSig(lean_object*);
@@ -192,12 +199,11 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Comma
 lean_object* l_Lean_Elab_Modifiers_addAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__2___closed__1;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__9;
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfAbbrev(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandOptNamedPrio___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_DefView___hyg_2170____closed__4;
 lean_object* l_Lean_Elab_Term_withoutAutoBoundImplicit___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__17;
 lean_object* l_Lean_Elab_Term_elabBinders___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__3;
@@ -206,7 +212,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_instBEqDefKind;
 static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_DefView___hyg_2170____closed__2;
 extern lean_object* l_Lean_Elab_unsupportedSyntaxExceptionId;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___lambda__2___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_isExample___boxed(lean_object*);
 lean_object* l_Lean_Elab_toAttributeKind___boxed(lean_object*, lean_object*, lean_object*);
@@ -214,17 +219,13 @@ static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__15;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___lambda__2___closed__1;
 static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__18;
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefView(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_DefKind_noConfusion(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkInstanceName___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2;
 static lean_object* l_Lean_Elab_Command_mkDefView___closed__1;
 lean_object* l_Lean_Core_resetMessageLog(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkDefViewOfInstance___spec__10___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_mkDefViewOfOpaque___closed__6;
 lean_object* l_Lean_Elab_Command_getScope___rarg(lean_object*, lean_object*);
@@ -242,7 +243,7 @@ static lean_object* l_Lean_Elab_Command_mkDefViewOfInstance___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_mkDefViewOfInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_isDefLike___closed__7;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_DefView_0__Lean_Elab_beqDefKind____x40_Lean_Elab_DefView___hyg_15_(uint8_t, uint8_t);
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Command_mkInstanceName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkDefViewOfInstance___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isSort(lean_object*);
 lean_object* l_Lean_Elab_mkUnusedBaseName(lean_object*, lean_object*, lean_object*);
@@ -898,7 +899,15 @@ lean_dec(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Command_mkInstanceName___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
@@ -952,7 +961,7 @@ return x_20;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
@@ -972,7 +981,7 @@ lean_object* x_11; lean_object* x_12;
 x_11 = lean_ctor_get(x_3, 6);
 lean_dec(x_11);
 lean_ctor_set(x_3, 6, x_9);
-x_12 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3(x_2, x_3, x_4, x_8);
+x_12 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4(x_2, x_3, x_4, x_8);
 lean_dec(x_4);
 return x_12;
 }
@@ -1003,13 +1012,13 @@ lean_ctor_set(x_20, 4, x_17);
 lean_ctor_set(x_20, 5, x_18);
 lean_ctor_set(x_20, 6, x_9);
 lean_ctor_set(x_20, 7, x_19);
-x_21 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3(x_2, x_20, x_4, x_8);
+x_21 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4(x_2, x_20, x_4, x_8);
 lean_dec(x_4);
 return x_21;
 }
 }
 }
-static lean_object* _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1() {
+static lean_object* _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -1019,21 +1028,21 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2() {
+static lean_object* _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1;
+x_1 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2;
+x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2;
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_1);
 lean_ctor_set(x_6, 1, x_5);
@@ -1043,7 +1052,7 @@ lean_ctor_set(x_7, 1, x_4);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1() {
+static lean_object* _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1051,38 +1060,38 @@ x_1 = l_Lean_Elab_unsupportedSyntaxExceptionId;
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2() {
+static lean_object* _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1;
+x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2;
+x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg), 1, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg), 1, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; 
@@ -1251,7 +1260,7 @@ return x_41;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 uint8_t x_5; lean_object* x_6; lean_object* x_7; 
@@ -1263,7 +1272,7 @@ lean_ctor_set(x_7, 1, x_4);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; 
@@ -1274,7 +1283,7 @@ lean_ctor_set(x_8, 1, x_6);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; 
@@ -1285,7 +1294,7 @@ lean_ctor_set(x_8, 1, x_6);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
@@ -1317,23 +1326,23 @@ x_16 = lean_ctor_get(x_14, 3);
 lean_inc(x_16);
 lean_dec(x_14);
 lean_inc(x_8);
-x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1___boxed), 4, 1);
+x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1___boxed), 4, 1);
 lean_closure_set(x_17, 0, x_8);
 lean_inc(x_12);
 x_18 = lean_alloc_closure((void*)(l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed), 3, 1);
 lean_closure_set(x_18, 0, x_12);
 lean_inc(x_8);
-x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2___boxed), 4, 1);
+x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2___boxed), 4, 1);
 lean_closure_set(x_19, 0, x_8);
 lean_inc(x_16);
 lean_inc(x_12);
 lean_inc(x_8);
-x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3___boxed), 6, 3);
+x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3___boxed), 6, 3);
 lean_closure_set(x_20, 0, x_8);
 lean_closure_set(x_20, 1, x_12);
 lean_closure_set(x_20, 2, x_16);
 lean_inc(x_8);
-x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4___boxed), 6, 3);
+x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4___boxed), 6, 3);
 lean_closure_set(x_21, 0, x_8);
 lean_closure_set(x_21, 1, x_12);
 lean_closure_set(x_21, 2, x_16);
@@ -1527,14 +1536,14 @@ x_82 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_82, 0, x_79);
 x_83 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_83, 0, x_82);
-x_84 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(x_78, x_83, x_2, x_3, x_36);
+x_84 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(x_78, x_83, x_2, x_3, x_36);
 return x_84;
 }
 else
 {
 lean_object* x_85; 
 lean_dec(x_79);
-x_85 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4(x_78, x_2, x_3, x_36);
+x_85 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5(x_78, x_2, x_3, x_36);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_85;
@@ -1545,7 +1554,7 @@ else
 lean_object* x_86; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_86 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg(x_36);
+x_86 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg(x_36);
 return x_86;
 }
 }
@@ -2000,7 +2009,7 @@ _start:
 lean_object* x_10; lean_object* x_11; 
 x_10 = lean_alloc_closure((void*)(l_Lean_Elab_Command_mkInstanceName___lambda__2), 8, 1);
 lean_closure_set(x_10, 0, x_1);
-x_11 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
@@ -2253,7 +2262,7 @@ x_25 = l_Lean_Name_str___override(x_24, x_23);
 x_26 = lean_alloc_closure((void*)(l_Lean_Elab_mkUnusedBaseName), 3, 1);
 lean_closure_set(x_26, 0, x_25);
 lean_inc(x_4);
-x_27 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1(x_26, x_3, x_4, x_21);
+x_27 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2(x_26, x_3, x_4, x_21);
 if (lean_obj_tag(x_27) == 0)
 {
 lean_dec(x_7);
@@ -2292,68 +2301,68 @@ return x_35;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__3(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_throwError___at_Lean_Elab_Command_mkInstanceName___spec__4(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5(x_1, x_2);
+x_3 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 return x_7;
 }
@@ -2515,7 +2524,7 @@ LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkDefV
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2;
+x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2;
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_1);
 lean_ctor_set(x_6, 1, x_5);
@@ -2529,7 +2538,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Comma
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2;
+x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
@@ -2576,23 +2585,23 @@ x_16 = lean_ctor_get(x_14, 3);
 lean_inc(x_16);
 lean_dec(x_14);
 lean_inc(x_8);
-x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1___boxed), 4, 1);
+x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1___boxed), 4, 1);
 lean_closure_set(x_17, 0, x_8);
 lean_inc(x_12);
 x_18 = lean_alloc_closure((void*)(l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed), 3, 1);
 lean_closure_set(x_18, 0, x_12);
 lean_inc(x_8);
-x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2___boxed), 4, 1);
+x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2___boxed), 4, 1);
 lean_closure_set(x_19, 0, x_8);
 lean_inc(x_16);
 lean_inc(x_12);
 lean_inc(x_8);
-x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3___boxed), 6, 3);
+x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3___boxed), 6, 3);
 lean_closure_set(x_20, 0, x_8);
 lean_closure_set(x_20, 1, x_12);
 lean_closure_set(x_20, 2, x_16);
 lean_inc(x_8);
-x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4___boxed), 6, 3);
+x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4___boxed), 6, 3);
 lean_closure_set(x_21, 0, x_8);
 lean_closure_set(x_21, 1, x_12);
 lean_closure_set(x_21, 2, x_16);
@@ -2925,7 +2934,7 @@ LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkDefV
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2;
+x_5 = l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2;
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_1);
 lean_ctor_set(x_6, 1, x_5);
@@ -2939,7 +2948,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Comma
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2;
+x_2 = l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
@@ -2986,23 +2995,23 @@ x_16 = lean_ctor_get(x_14, 3);
 lean_inc(x_16);
 lean_dec(x_14);
 lean_inc(x_8);
-x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__1___boxed), 4, 1);
+x_17 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__1___boxed), 4, 1);
 lean_closure_set(x_17, 0, x_8);
 lean_inc(x_12);
 x_18 = lean_alloc_closure((void*)(l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed), 3, 1);
 lean_closure_set(x_18, 0, x_12);
 lean_inc(x_8);
-x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__2___boxed), 4, 1);
+x_19 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__2___boxed), 4, 1);
 lean_closure_set(x_19, 0, x_8);
 lean_inc(x_16);
 lean_inc(x_12);
 lean_inc(x_8);
-x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__3___boxed), 6, 3);
+x_20 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__3___boxed), 6, 3);
 lean_closure_set(x_20, 0, x_8);
 lean_closure_set(x_20, 1, x_12);
 lean_closure_set(x_20, 2, x_16);
 lean_inc(x_8);
-x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__1___lambda__4___boxed), 6, 3);
+x_21 = lean_alloc_closure((void*)(l_Lean_Elab_liftMacroM___at_Lean_Elab_Command_mkInstanceName___spec__2___lambda__4___boxed), 6, 3);
 lean_closure_set(x_21, 0, x_8);
 lean_closure_set(x_21, 1, x_12);
 lean_closure_set(x_21, 2, x_16);
@@ -4575,14 +4584,14 @@ l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__5 = _init_l_Lean_Elab_Command_mk
 lean_mark_persistent(l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__5);
 l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__6 = _init_l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__6();
 lean_mark_persistent(l_Lean_Elab_Command_mkDefViewOfAbbrev___closed__6);
-l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1();
-lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__1);
-l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2();
-lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__4___closed__2);
-l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1 = _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1();
-lean_mark_persistent(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__1);
-l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2 = _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2();
-lean_mark_persistent(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__5___rarg___closed__2);
+l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1();
+lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__1);
+l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2();
+lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Command_mkInstanceName___spec__5___closed__2);
+l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1 = _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1();
+lean_mark_persistent(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__1);
+l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2 = _init_l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2();
+lean_mark_persistent(l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Command_mkInstanceName___spec__6___rarg___closed__2);
 l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__1 = _init_l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__1);
 l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__2 = _init_l_Lean_Elab_Command_mkInstanceName___lambda__1___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Basic.c b/stage0/stdlib/Lean/Elab/Deriving/Basic.c
index f90bd75ebf..e1906304bd 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Basic.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Basic.c
@@ -20,7 +20,6 @@ size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_resolveGlobalConst___at_Lean_Elab_elabDeriving___spec__10___closed__1;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_defaultHandler___closed__4;
-lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_elabDeriving_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_registerBuiltinDerivingHandlerWithArgs___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -130,6 +129,7 @@ static lean_object* l_Lean_Elab_elabDeriving___closed__6;
 lean_object* l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1(lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalConstCore___at_Lean_Elab_elabDeriving___spec__12___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalConst___at_Lean_Elab_elabDeriving___spec__10(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
@@ -1401,7 +1401,7 @@ x_24 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_24, 0, x_23);
 x_25 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_25, 0, x_24);
-x_26 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(x_1, x_25, x_2, x_3, x_7);
+x_26 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(x_1, x_25, x_2, x_3, x_7);
 return x_26;
 }
 else
@@ -1472,7 +1472,7 @@ x_51 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_51, 0, x_50);
 x_52 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_52, 0, x_51);
-x_53 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(x_1, x_52, x_2, x_3, x_34);
+x_53 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(x_1, x_52, x_2, x_3, x_34);
 return x_53;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Repr.c b/stage0/stdlib/Lean/Elab/Deriving/Repr.c
index ae98bfdec1..3430ef8a9a 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Repr.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Repr.c
@@ -249,7 +249,6 @@ static lean_object* l_Lean_Elab_Deriving_Repr_mkReprHeader___closed__24;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__7;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__2___closed__7;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__13;
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedName;
@@ -308,6 +307,7 @@ static lean_object* l_Lean_Elab_Deriving_Repr_mkMutualBlock___closed__2;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__16;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForStruct___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Repr_0__Lean_Elab_Deriving_Repr_mkReprInstanceCmds___closed__4;
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForStruct___spec__3___lambda__1___closed__3;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__8;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__4;
@@ -2769,7 +2769,7 @@ lean_object* x_32; lean_object* x_33; uint8_t x_34;
 lean_dec(x_27);
 lean_dec(x_3);
 x_32 = l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__18;
-x_33 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
+x_33 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
diff --git a/stage0/stdlib/Lean/Elab/Do.c b/stage0/stdlib/Lean/Elab/Do.c
index 9f9ec2ef38..120da897d3 100644
--- a/stage0/stdlib/Lean/Elab/Do.c
+++ b/stage0/stdlib/Lean/Elab/Do.c
@@ -1077,7 +1077,6 @@ static lean_object* l_Lean_Elab_Term_Do_mkFreshJP___lambda__1___closed__1;
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__27;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_Do_pullExitPointsAux___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_attachJP___boxed(lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_letDeclHasBinders___boxed(lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_destructTuple___spec__1(lean_object*);
@@ -1328,6 +1327,7 @@ static lean_object* l_Lean_Elab_Term_Do_hasBreakContinueReturn___closed__1;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_Do_mkReassignCore___spec__1(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_mkTuple___closed__1;
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_returnToTerm___closed__12;
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getPatternsVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_Do_mkJmp___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_continueToTerm___closed__5;
@@ -12272,7 +12272,7 @@ lean_ctor_set(x_22, 7, x_17);
 lean_ctor_set(x_22, 8, x_18);
 lean_ctor_set(x_22, 9, x_19);
 lean_ctor_set(x_22, 10, x_20);
-x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_2, x_3, x_4, x_5, x_6, x_22, x_8, x_9);
+x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_2, x_3, x_4, x_5, x_6, x_22, x_8, x_9);
 lean_dec(x_22);
 return x_23;
 }
@@ -12614,6 +12614,7 @@ x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 lean_dec(x_12);
 x_14 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_13);
+lean_dec(x_10);
 x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
@@ -12657,6 +12658,7 @@ x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 lean_dec(x_12);
 x_14 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_13);
+lean_dec(x_10);
 x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
diff --git a/stage0/stdlib/Lean/Elab/Inductive.c b/stage0/stdlib/Lean/Elab/Inductive.c
index 75c4089e34..65f279cd0b 100644
--- a/stage0/stdlib/Lean/Elab/Inductive.c
+++ b/stage0/stdlib/Lean/Elab/Inductive.c
@@ -15,7 +15,6 @@ extern "C" {
 #endif
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_checkParamsAndResultType___lambda__1___closed__4;
 lean_object* l_Lean_Elab_ContextInfo_save___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -161,7 +160,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fi
 static lean_object* l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__5;
 static lean_object* l_Lean_Elab_Command_checkValidInductiveModifier___rarg___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_checkLevelNames___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_ensureNoUnassignedMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_forallTelescopeCompatibleAux___spec__15___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go___lambda__4___closed__3;
@@ -344,7 +342,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Inducti
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___lambda__7___boxed__const__1;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_checkParamsAndResultType___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -394,7 +391,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_elabInd
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabInductiveViews(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_simpLevelMax_x27(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors_checkParamOccs___spec__1___closed__2;
@@ -496,14 +492,12 @@ lean_object* l_Lean_CollectLevelParams_main(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__1___lambda__1___closed__23;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_replaceArrowBinderNames(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___lambda__1(lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__1___lambda__1___closed__13;
 static lean_object* l_Lean_Elab_Command_checkValidCtorModifier___rarg___lambda__1___closed__2;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___spec__1(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__1___lambda__1___closed__21;
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_updateResultingUniverse___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_withInductiveLocalDecls___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -534,7 +528,6 @@ static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Inductive_0_
 lean_object* l_Lean_Elab_sortDeclLevelParams(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_getResultingUniverse___closed__2;
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyDerivingHandlers___spec__3(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___lambda__3___closed__6;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_shouldInferResultUniverse___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -574,6 +567,7 @@ static lean_object* l_Lean_Elab_Command_accLevelAtCtor___closed__2;
 LEAN_EXPORT lean_object* l_Lean_mkIBelow___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabInductiveViews___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_DerivingClassView_applyHandlers(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -609,9 +603,9 @@ size_t lean_ptr_addr(lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors_elabCtorType___lambda__3___closed__1;
 lean_object* lean_mk_below(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_checkUnsafe___spec__1___closed__2;
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lambda__6___closed__2;
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_levelMVarToParam_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_withExplicitToImplicit___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
@@ -736,7 +730,6 @@ lean_object* l_Lean_Elab_Command_getRef(lean_object*, lean_object*, lean_object*
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__7___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__8(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__7___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__8___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__9___closed__3;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyDerivingHandlers___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__1___lambda__1___closed__19;
@@ -746,7 +739,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabInductiveViews___lambda__1(lean
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_levelMVarToParam_levelMVarToParam_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Level_max___override(lean_object*, lean_object*);
@@ -918,6 +910,7 @@ static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Inductive___hyg_
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lambda__6___closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_applyComputedFields___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_instInhabitedCtorView___closed__1;
 size_t lean_usize_of_nat(lean_object*);
 lean_object* lean_mk_binduction_on(lean_object*, lean_object*);
@@ -5291,7 +5284,7 @@ _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = lean_ctor_get(x_1, 3);
 lean_inc(x_9);
 lean_dec(x_1);
@@ -5308,237 +5301,172 @@ lean_dec(x_12);
 x_15 = lean_ctor_get(x_13, 0);
 lean_inc(x_15);
 lean_dec(x_13);
-x_114 = l_Lean_localDeclDependsOnPred___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___spec__2___closed__1;
-x_115 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_15);
-x_116 = l_Lean_Expr_hasFVar(x_9);
-if (x_116 == 0)
+x_16 = l_Lean_localDeclDependsOnPred___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___spec__2___closed__1;
+lean_inc(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = l_Lean_Expr_hasFVar(x_9);
+if (x_18 == 0)
 {
-uint8_t x_117; 
-x_117 = l_Lean_Expr_hasMVar(x_9);
-if (x_117 == 0)
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasMVar(x_9);
+if (x_19 == 0)
 {
-uint8_t x_118; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+lean_dec(x_17);
 lean_dec(x_9);
 lean_dec(x_3);
 lean_dec(x_2);
-x_118 = 0;
-x_16 = x_118;
-x_17 = x_115;
-goto block_113;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_9, x_115);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_16 = x_122;
-x_17 = x_121;
-goto block_113;
-}
-}
-else
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-x_123 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_9, x_115);
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_123, 1);
-lean_inc(x_125);
-lean_dec(x_123);
-x_126 = lean_unbox(x_124);
-lean_dec(x_124);
-x_16 = x_126;
-x_17 = x_125;
-goto block_113;
-}
-block_113:
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_get(x_7, x_14);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_take(x_5, x_20);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_18, sizeof(void*)*8);
-if (x_23 == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_24 = lean_ctor_get(x_22, 0);
+x_20 = lean_st_ref_get(x_7, x_14);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = lean_st_ref_take(x_5, x_21);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
-lean_dec(x_21);
-x_26 = lean_ctor_get(x_18, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_18, 2);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_18, 3);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_18, 4);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_18, 5);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_18, 6);
+lean_dec(x_22);
+x_25 = !lean_is_exclusive(x_23);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_23, 0);
+lean_dec(x_26);
+lean_ctor_set(x_23, 0, x_15);
+x_27 = lean_st_ref_set(x_5, x_23, x_24);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; uint8_t x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_27, 0);
+lean_dec(x_29);
+x_30 = 0;
+x_31 = lean_box(x_30);
+lean_ctor_set(x_27, 0, x_31);
+return x_27;
+}
+else
+{
+lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_27, 1);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_18, 7);
-lean_inc(x_33);
-lean_dec(x_18);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
+lean_dec(x_27);
+x_33 = 0;
+x_34 = lean_box(x_33);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_32);
+return x_35;
+}
+}
+else
 {
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_22, 0);
-lean_dec(x_35);
-x_36 = !lean_is_exclusive(x_24);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_37 = lean_ctor_get(x_24, 7);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_24, 6);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_24, 5);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_24, 4);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_24, 3);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_24, 2);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_24, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_24, 0);
-lean_dec(x_44);
-lean_ctor_set(x_24, 7, x_33);
-lean_ctor_set(x_24, 6, x_32);
-lean_ctor_set(x_24, 5, x_31);
-lean_ctor_set(x_24, 4, x_30);
-lean_ctor_set(x_24, 3, x_29);
-lean_ctor_set(x_24, 2, x_28);
-lean_ctor_set(x_24, 1, x_27);
-lean_ctor_set(x_24, 0, x_26);
-x_45 = lean_st_ref_set(x_5, x_22, x_25);
-x_46 = !lean_is_exclusive(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_45, 0);
-lean_dec(x_47);
-x_48 = lean_box(x_16);
-lean_ctor_set(x_45, 0, x_48);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_45; 
+x_36 = lean_ctor_get(x_23, 1);
+x_37 = lean_ctor_get(x_23, 2);
+x_38 = lean_ctor_get(x_23, 3);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_23);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_15);
+lean_ctor_set(x_39, 1, x_36);
+lean_ctor_set(x_39, 2, x_37);
+lean_ctor_set(x_39, 3, x_38);
+x_40 = lean_st_ref_set(x_5, x_39, x_24);
+x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_42 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_42 = lean_box(0);
+}
+x_43 = 0;
+x_44 = lean_box(x_43);
+if (lean_is_scalar(x_42)) {
+ x_45 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_45 = x_42;
+}
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_41);
 return x_45;
 }
+}
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_45, 1);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_15);
+x_46 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_9, x_17);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 0);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = lean_ctor_get(x_47, 1);
 lean_inc(x_49);
-lean_dec(x_45);
-x_50 = lean_box(x_16);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_49);
-return x_51;
-}
+lean_dec(x_47);
+x_50 = lean_st_ref_get(x_7, x_14);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_take(x_5, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_56 = lean_ctor_get(x_53, 0);
+lean_dec(x_56);
+lean_ctor_set(x_53, 0, x_49);
+x_57 = lean_st_ref_set(x_5, x_53, x_54);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+lean_ctor_set(x_57, 0, x_48);
+return x_57;
 }
 else
 {
-uint8_t x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-lean_dec(x_24);
-x_53 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_53, 0, x_26);
-lean_ctor_set(x_53, 1, x_27);
-lean_ctor_set(x_53, 2, x_28);
-lean_ctor_set(x_53, 3, x_29);
-lean_ctor_set(x_53, 4, x_30);
-lean_ctor_set(x_53, 5, x_31);
-lean_ctor_set(x_53, 6, x_32);
-lean_ctor_set(x_53, 7, x_33);
-lean_ctor_set_uint8(x_53, sizeof(void*)*8, x_52);
-lean_ctor_set(x_22, 0, x_53);
-x_54 = lean_st_ref_set(x_5, x_22, x_25);
-x_55 = lean_ctor_get(x_54, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- x_56 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_56 = lean_box(0);
-}
-x_57 = lean_box(x_16);
-if (lean_is_scalar(x_56)) {
- x_58 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_58 = x_56;
-}
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_55);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_59 = lean_ctor_get(x_22, 1);
-x_60 = lean_ctor_get(x_22, 2);
-x_61 = lean_ctor_get(x_22, 3);
-lean_inc(x_61);
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_ctor_get(x_57, 1);
 lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_22);
-x_62 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- lean_ctor_release(x_24, 2);
- lean_ctor_release(x_24, 3);
- lean_ctor_release(x_24, 4);
- lean_ctor_release(x_24, 5);
- lean_ctor_release(x_24, 6);
- lean_ctor_release(x_24, 7);
- x_63 = x_24;
-} else {
- lean_dec_ref(x_24);
- x_63 = lean_box(0);
+lean_dec(x_57);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_48);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
-if (lean_is_scalar(x_63)) {
- x_64 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_64 = x_63;
 }
-lean_ctor_set(x_64, 0, x_26);
-lean_ctor_set(x_64, 1, x_27);
-lean_ctor_set(x_64, 2, x_28);
-lean_ctor_set(x_64, 3, x_29);
-lean_ctor_set(x_64, 4, x_30);
-lean_ctor_set(x_64, 5, x_31);
-lean_ctor_set(x_64, 6, x_32);
-lean_ctor_set(x_64, 7, x_33);
-lean_ctor_set_uint8(x_64, sizeof(void*)*8, x_62);
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_62 = lean_ctor_get(x_53, 1);
+x_63 = lean_ctor_get(x_53, 2);
+x_64 = lean_ctor_get(x_53, 3);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
 x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_59);
-lean_ctor_set(x_65, 2, x_60);
-lean_ctor_set(x_65, 3, x_61);
-x_66 = lean_st_ref_set(x_5, x_65, x_25);
+lean_ctor_set(x_65, 0, x_49);
+lean_ctor_set(x_65, 1, x_62);
+lean_ctor_set(x_65, 2, x_63);
+lean_ctor_set(x_65, 3, x_64);
+x_66 = lean_st_ref_set(x_5, x_65, x_54);
 x_67 = lean_ctor_get(x_66, 1);
 lean_inc(x_67);
 if (lean_is_exclusive(x_66)) {
@@ -5549,676 +5477,325 @@ if (lean_is_exclusive(x_66)) {
  lean_dec_ref(x_66);
  x_68 = lean_box(0);
 }
-x_69 = lean_box(x_16);
 if (lean_is_scalar(x_68)) {
- x_70 = lean_alloc_ctor(0, 2, 0);
+ x_69 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_70 = x_68;
+ x_69 = x_68;
+}
+lean_ctor_set(x_69, 0, x_48);
+lean_ctor_set(x_69, 1, x_67);
+return x_69;
 }
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_67);
-return x_70;
 }
 }
 else
 {
-lean_object* x_71; uint8_t x_72; 
-x_71 = lean_ctor_get(x_21, 1);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
+lean_dec(x_15);
+x_70 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_9, x_17);
+x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
-lean_dec(x_21);
-x_72 = !lean_is_exclusive(x_18);
-if (x_72 == 0)
-{
-uint8_t x_73; 
-x_73 = !lean_is_exclusive(x_22);
-if (x_73 == 0)
-{
-lean_object* x_74; uint8_t x_75; lean_object* x_76; uint8_t x_77; 
-x_74 = lean_ctor_get(x_22, 0);
+x_72 = lean_ctor_get(x_70, 0);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_st_ref_get(x_7, x_14);
+x_75 = lean_ctor_get(x_74, 1);
+lean_inc(x_75);
 lean_dec(x_74);
-x_75 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_75);
-lean_ctor_set(x_22, 0, x_18);
-x_76 = lean_st_ref_set(x_5, x_22, x_71);
-x_77 = !lean_is_exclusive(x_76);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_76, 0);
-lean_dec(x_78);
-x_79 = lean_box(x_16);
-lean_ctor_set(x_76, 0, x_79);
-return x_76;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_76, 1);
-lean_inc(x_80);
+x_76 = lean_st_ref_take(x_5, x_75);
+x_77 = lean_ctor_get(x_76, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
 lean_dec(x_76);
-x_81 = lean_box(x_16);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_80);
-return x_82;
-}
+x_79 = !lean_is_exclusive(x_77);
+if (x_79 == 0)
+{
+lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_80 = lean_ctor_get(x_77, 0);
+lean_dec(x_80);
+lean_ctor_set(x_77, 0, x_73);
+x_81 = lean_st_ref_set(x_5, x_77, x_78);
+x_82 = !lean_is_exclusive(x_81);
+if (x_82 == 0)
+{
+lean_object* x_83; 
+x_83 = lean_ctor_get(x_81, 0);
+lean_dec(x_83);
+lean_ctor_set(x_81, 0, x_72);
+return x_81;
 }
 else
 {
-lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_83 = lean_ctor_get(x_22, 1);
-x_84 = lean_ctor_get(x_22, 2);
-x_85 = lean_ctor_get(x_22, 3);
-lean_inc(x_85);
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_81, 1);
 lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_22);
-x_86 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_86);
-x_87 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_87, 0, x_18);
-lean_ctor_set(x_87, 1, x_83);
-lean_ctor_set(x_87, 2, x_84);
-lean_ctor_set(x_87, 3, x_85);
-x_88 = lean_st_ref_set(x_5, x_87, x_71);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-x_91 = lean_box(x_16);
-if (lean_is_scalar(x_90)) {
- x_92 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_92 = x_90;
-}
-lean_ctor_set(x_92, 0, x_91);
-lean_ctor_set(x_92, 1, x_89);
-return x_92;
+lean_dec(x_81);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_72);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
 }
 }
 else
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_93 = lean_ctor_get(x_18, 0);
-x_94 = lean_ctor_get(x_18, 1);
-x_95 = lean_ctor_get(x_18, 2);
-x_96 = lean_ctor_get(x_18, 3);
-x_97 = lean_ctor_get(x_18, 4);
-x_98 = lean_ctor_get(x_18, 5);
-x_99 = lean_ctor_get(x_18, 6);
-x_100 = lean_ctor_get(x_18, 7);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_86 = lean_ctor_get(x_77, 1);
+x_87 = lean_ctor_get(x_77, 2);
+x_88 = lean_ctor_get(x_77, 3);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_77);
+x_89 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_89, 0, x_73);
+lean_ctor_set(x_89, 1, x_86);
+lean_ctor_set(x_89, 2, x_87);
+lean_ctor_set(x_89, 3, x_88);
+x_90 = lean_st_ref_set(x_5, x_89, x_78);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_92 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_92 = lean_box(0);
+}
+if (lean_is_scalar(x_92)) {
+ x_93 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_93 = x_92;
+}
+lean_ctor_set(x_93, 0, x_72);
+lean_ctor_set(x_93, 1, x_91);
+return x_93;
+}
+}
+}
+else
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; lean_object* x_103; uint8_t x_129; lean_object* x_130; lean_object* x_143; lean_object* x_144; uint8_t x_145; 
+x_94 = lean_ctor_get(x_1, 3);
 lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_18);
-x_101 = lean_ctor_get(x_22, 1);
+x_95 = lean_ctor_get(x_1, 4);
+lean_inc(x_95);
+lean_dec(x_1);
+x_96 = lean_st_ref_get(x_7, x_8);
+x_97 = lean_ctor_get(x_96, 1);
+lean_inc(x_97);
+lean_dec(x_96);
+x_98 = lean_st_ref_get(x_5, x_97);
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+x_101 = lean_ctor_get(x_99, 0);
 lean_inc(x_101);
-x_102 = lean_ctor_get(x_22, 2);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_22, 3);
-lean_inc(x_103);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- x_104 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_104 = lean_box(0);
+lean_dec(x_99);
+x_143 = l_Lean_localDeclDependsOnPred___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___spec__2___closed__1;
+x_144 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_144, 0, x_143);
+lean_ctor_set(x_144, 1, x_101);
+x_145 = l_Lean_Expr_hasFVar(x_94);
+if (x_145 == 0)
+{
+uint8_t x_146; 
+x_146 = l_Lean_Expr_hasMVar(x_94);
+if (x_146 == 0)
+{
+uint8_t x_147; 
+lean_dec(x_94);
+x_147 = 0;
+x_129 = x_147;
+x_130 = x_144;
+goto block_142;
 }
-x_105 = 1;
-x_106 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_106, 0, x_93);
-lean_ctor_set(x_106, 1, x_94);
-lean_ctor_set(x_106, 2, x_95);
-lean_ctor_set(x_106, 3, x_96);
-lean_ctor_set(x_106, 4, x_97);
-lean_ctor_set(x_106, 5, x_98);
-lean_ctor_set(x_106, 6, x_99);
-lean_ctor_set(x_106, 7, x_100);
-lean_ctor_set_uint8(x_106, sizeof(void*)*8, x_105);
-if (lean_is_scalar(x_104)) {
- x_107 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_107 = x_104;
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
+lean_inc(x_3);
+lean_inc(x_2);
+x_148 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_94, x_144);
+x_149 = lean_ctor_get(x_148, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_148, 1);
+lean_inc(x_150);
+lean_dec(x_148);
+x_151 = lean_unbox(x_149);
+lean_dec(x_149);
+x_129 = x_151;
+x_130 = x_150;
+goto block_142;
 }
-lean_ctor_set(x_107, 0, x_106);
-lean_ctor_set(x_107, 1, x_101);
-lean_ctor_set(x_107, 2, x_102);
-lean_ctor_set(x_107, 3, x_103);
-x_108 = lean_st_ref_set(x_5, x_107, x_71);
-x_109 = lean_ctor_get(x_108, 1);
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; uint8_t x_155; 
+lean_inc(x_3);
+lean_inc(x_2);
+x_152 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_94, x_144);
+x_153 = lean_ctor_get(x_152, 0);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_152, 1);
+lean_inc(x_154);
+lean_dec(x_152);
+x_155 = lean_unbox(x_153);
+lean_dec(x_153);
+x_129 = x_155;
+x_130 = x_154;
+goto block_142;
+}
+block_128:
+{
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; 
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+lean_dec(x_103);
+x_105 = lean_st_ref_get(x_7, x_100);
+x_106 = lean_ctor_get(x_105, 1);
+lean_inc(x_106);
+lean_dec(x_105);
+x_107 = lean_st_ref_take(x_5, x_106);
+x_108 = lean_ctor_get(x_107, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_107, 1);
 lean_inc(x_109);
-if (lean_is_exclusive(x_108)) {
- lean_ctor_release(x_108, 0);
- lean_ctor_release(x_108, 1);
- x_110 = x_108;
-} else {
- lean_dec_ref(x_108);
- x_110 = lean_box(0);
-}
-x_111 = lean_box(x_16);
-if (lean_is_scalar(x_110)) {
- x_112 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_112 = x_110;
-}
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_109);
+lean_dec(x_107);
+x_110 = !lean_is_exclusive(x_108);
+if (x_110 == 0)
+{
+lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_111 = lean_ctor_get(x_108, 0);
+lean_dec(x_111);
+lean_ctor_set(x_108, 0, x_104);
+x_112 = lean_st_ref_set(x_5, x_108, x_109);
+x_113 = !lean_is_exclusive(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; 
+x_114 = lean_ctor_get(x_112, 0);
+lean_dec(x_114);
+x_115 = lean_box(x_102);
+lean_ctor_set(x_112, 0, x_115);
 return x_112;
 }
-}
+else
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_116 = lean_ctor_get(x_112, 1);
+lean_inc(x_116);
+lean_dec(x_112);
+x_117 = lean_box(x_102);
+x_118 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_116);
+return x_118;
 }
 }
 else
 {
-lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; uint8_t x_233; lean_object* x_234; lean_object* x_247; lean_object* x_248; uint8_t x_249; 
-x_127 = lean_ctor_get(x_1, 3);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_1, 4);
-lean_inc(x_128);
-lean_dec(x_1);
-x_129 = lean_st_ref_get(x_7, x_8);
-x_130 = lean_ctor_get(x_129, 1);
-lean_inc(x_130);
-lean_dec(x_129);
-x_131 = lean_st_ref_get(x_5, x_130);
-x_132 = lean_ctor_get(x_131, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_131, 1);
-lean_inc(x_133);
-lean_dec(x_131);
-x_134 = lean_ctor_get(x_132, 0);
-lean_inc(x_134);
-lean_dec(x_132);
-x_247 = l_Lean_localDeclDependsOnPred___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_reorderCtorArgs___spec__2___closed__1;
-x_248 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_248, 0, x_247);
-lean_ctor_set(x_248, 1, x_134);
-x_249 = l_Lean_Expr_hasFVar(x_127);
-if (x_249 == 0)
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_119 = lean_ctor_get(x_108, 1);
+x_120 = lean_ctor_get(x_108, 2);
+x_121 = lean_ctor_get(x_108, 3);
+lean_inc(x_121);
+lean_inc(x_120);
+lean_inc(x_119);
+lean_dec(x_108);
+x_122 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_122, 0, x_104);
+lean_ctor_set(x_122, 1, x_119);
+lean_ctor_set(x_122, 2, x_120);
+lean_ctor_set(x_122, 3, x_121);
+x_123 = lean_st_ref_set(x_5, x_122, x_109);
+x_124 = lean_ctor_get(x_123, 1);
+lean_inc(x_124);
+if (lean_is_exclusive(x_123)) {
+ lean_ctor_release(x_123, 0);
+ lean_ctor_release(x_123, 1);
+ x_125 = x_123;
+} else {
+ lean_dec_ref(x_123);
+ x_125 = lean_box(0);
+}
+x_126 = lean_box(x_102);
+if (lean_is_scalar(x_125)) {
+ x_127 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_127 = x_125;
+}
+lean_ctor_set(x_127, 0, x_126);
+lean_ctor_set(x_127, 1, x_124);
+return x_127;
+}
+}
+block_142:
 {
-uint8_t x_250; 
-x_250 = l_Lean_Expr_hasMVar(x_127);
-if (x_250 == 0)
+if (x_129 == 0)
 {
-uint8_t x_251; 
-lean_dec(x_127);
-x_251 = 0;
-x_233 = x_251;
-x_234 = x_248;
-goto block_246;
+uint8_t x_131; 
+x_131 = l_Lean_Expr_hasFVar(x_95);
+if (x_131 == 0)
+{
+uint8_t x_132; 
+x_132 = l_Lean_Expr_hasMVar(x_95);
+if (x_132 == 0)
+{
+uint8_t x_133; 
+lean_dec(x_95);
+lean_dec(x_3);
+lean_dec(x_2);
+x_133 = 0;
+x_102 = x_133;
+x_103 = x_130;
+goto block_128;
 }
 else
 {
-lean_object* x_252; lean_object* x_253; lean_object* x_254; uint8_t x_255; 
-lean_inc(x_3);
-lean_inc(x_2);
-x_252 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_127, x_248);
-x_253 = lean_ctor_get(x_252, 0);
-lean_inc(x_253);
-x_254 = lean_ctor_get(x_252, 1);
-lean_inc(x_254);
-lean_dec(x_252);
-x_255 = lean_unbox(x_253);
-lean_dec(x_253);
-x_233 = x_255;
-x_234 = x_254;
-goto block_246;
+lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
+x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_95, x_130);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+x_137 = lean_unbox(x_135);
+lean_dec(x_135);
+x_102 = x_137;
+x_103 = x_136;
+goto block_128;
 }
 }
 else
 {
-lean_object* x_256; lean_object* x_257; lean_object* x_258; uint8_t x_259; 
-lean_inc(x_3);
-lean_inc(x_2);
-x_256 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_127, x_248);
-x_257 = lean_ctor_get(x_256, 0);
-lean_inc(x_257);
-x_258 = lean_ctor_get(x_256, 1);
-lean_inc(x_258);
-lean_dec(x_256);
-x_259 = lean_unbox(x_257);
-lean_dec(x_257);
-x_233 = x_259;
-x_234 = x_258;
-goto block_246;
-}
-block_232:
-{
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
-x_137 = lean_ctor_get(x_136, 1);
-lean_inc(x_137);
-lean_dec(x_136);
-x_138 = lean_st_ref_get(x_7, x_133);
-x_139 = lean_ctor_get(x_138, 1);
+lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+x_138 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_95, x_130);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
+x_140 = lean_ctor_get(x_138, 1);
+lean_inc(x_140);
 lean_dec(x_138);
-x_140 = lean_st_ref_take(x_5, x_139);
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_142 = lean_ctor_get_uint8(x_137, sizeof(void*)*8);
-if (x_142 == 0)
-{
-lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
-x_143 = lean_ctor_get(x_141, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_140, 1);
-lean_inc(x_144);
-lean_dec(x_140);
-x_145 = lean_ctor_get(x_137, 0);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_137, 1);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_137, 2);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_137, 3);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_137, 4);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_137, 5);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_137, 6);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_137, 7);
-lean_inc(x_152);
-lean_dec(x_137);
-x_153 = !lean_is_exclusive(x_141);
-if (x_153 == 0)
-{
-lean_object* x_154; uint8_t x_155; 
-x_154 = lean_ctor_get(x_141, 0);
-lean_dec(x_154);
-x_155 = !lean_is_exclusive(x_143);
-if (x_155 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; uint8_t x_165; 
-x_156 = lean_ctor_get(x_143, 7);
-lean_dec(x_156);
-x_157 = lean_ctor_get(x_143, 6);
-lean_dec(x_157);
-x_158 = lean_ctor_get(x_143, 5);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_143, 4);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_143, 3);
-lean_dec(x_160);
-x_161 = lean_ctor_get(x_143, 2);
-lean_dec(x_161);
-x_162 = lean_ctor_get(x_143, 1);
-lean_dec(x_162);
-x_163 = lean_ctor_get(x_143, 0);
-lean_dec(x_163);
-lean_ctor_set(x_143, 7, x_152);
-lean_ctor_set(x_143, 6, x_151);
-lean_ctor_set(x_143, 5, x_150);
-lean_ctor_set(x_143, 4, x_149);
-lean_ctor_set(x_143, 3, x_148);
-lean_ctor_set(x_143, 2, x_147);
-lean_ctor_set(x_143, 1, x_146);
-lean_ctor_set(x_143, 0, x_145);
-x_164 = lean_st_ref_set(x_5, x_141, x_144);
-x_165 = !lean_is_exclusive(x_164);
-if (x_165 == 0)
-{
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_164, 0);
-lean_dec(x_166);
-x_167 = lean_box(x_135);
-lean_ctor_set(x_164, 0, x_167);
-return x_164;
-}
-else
-{
-lean_object* x_168; lean_object* x_169; lean_object* x_170; 
-x_168 = lean_ctor_get(x_164, 1);
-lean_inc(x_168);
-lean_dec(x_164);
-x_169 = lean_box(x_135);
-x_170 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_170, 0, x_169);
-lean_ctor_set(x_170, 1, x_168);
-return x_170;
+x_141 = lean_unbox(x_139);
+lean_dec(x_139);
+x_102 = x_141;
+x_103 = x_140;
+goto block_128;
 }
 }
 else
 {
-uint8_t x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_171 = lean_ctor_get_uint8(x_143, sizeof(void*)*8);
-lean_dec(x_143);
-x_172 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_172, 0, x_145);
-lean_ctor_set(x_172, 1, x_146);
-lean_ctor_set(x_172, 2, x_147);
-lean_ctor_set(x_172, 3, x_148);
-lean_ctor_set(x_172, 4, x_149);
-lean_ctor_set(x_172, 5, x_150);
-lean_ctor_set(x_172, 6, x_151);
-lean_ctor_set(x_172, 7, x_152);
-lean_ctor_set_uint8(x_172, sizeof(void*)*8, x_171);
-lean_ctor_set(x_141, 0, x_172);
-x_173 = lean_st_ref_set(x_5, x_141, x_144);
-x_174 = lean_ctor_get(x_173, 1);
-lean_inc(x_174);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- x_175 = x_173;
-} else {
- lean_dec_ref(x_173);
- x_175 = lean_box(0);
-}
-x_176 = lean_box(x_135);
-if (lean_is_scalar(x_175)) {
- x_177 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_177 = x_175;
-}
-lean_ctor_set(x_177, 0, x_176);
-lean_ctor_set(x_177, 1, x_174);
-return x_177;
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_178 = lean_ctor_get(x_141, 1);
-x_179 = lean_ctor_get(x_141, 2);
-x_180 = lean_ctor_get(x_141, 3);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_dec(x_141);
-x_181 = lean_ctor_get_uint8(x_143, sizeof(void*)*8);
-if (lean_is_exclusive(x_143)) {
- lean_ctor_release(x_143, 0);
- lean_ctor_release(x_143, 1);
- lean_ctor_release(x_143, 2);
- lean_ctor_release(x_143, 3);
- lean_ctor_release(x_143, 4);
- lean_ctor_release(x_143, 5);
- lean_ctor_release(x_143, 6);
- lean_ctor_release(x_143, 7);
- x_182 = x_143;
-} else {
- lean_dec_ref(x_143);
- x_182 = lean_box(0);
-}
-if (lean_is_scalar(x_182)) {
- x_183 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_183 = x_182;
-}
-lean_ctor_set(x_183, 0, x_145);
-lean_ctor_set(x_183, 1, x_146);
-lean_ctor_set(x_183, 2, x_147);
-lean_ctor_set(x_183, 3, x_148);
-lean_ctor_set(x_183, 4, x_149);
-lean_ctor_set(x_183, 5, x_150);
-lean_ctor_set(x_183, 6, x_151);
-lean_ctor_set(x_183, 7, x_152);
-lean_ctor_set_uint8(x_183, sizeof(void*)*8, x_181);
-x_184 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_178);
-lean_ctor_set(x_184, 2, x_179);
-lean_ctor_set(x_184, 3, x_180);
-x_185 = lean_st_ref_set(x_5, x_184, x_144);
-x_186 = lean_ctor_get(x_185, 1);
-lean_inc(x_186);
-if (lean_is_exclusive(x_185)) {
- lean_ctor_release(x_185, 0);
- lean_ctor_release(x_185, 1);
- x_187 = x_185;
-} else {
- lean_dec_ref(x_185);
- x_187 = lean_box(0);
-}
-x_188 = lean_box(x_135);
-if (lean_is_scalar(x_187)) {
- x_189 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_189 = x_187;
-}
-lean_ctor_set(x_189, 0, x_188);
-lean_ctor_set(x_189, 1, x_186);
-return x_189;
-}
-}
-else
-{
-lean_object* x_190; uint8_t x_191; 
-x_190 = lean_ctor_get(x_140, 1);
-lean_inc(x_190);
-lean_dec(x_140);
-x_191 = !lean_is_exclusive(x_137);
-if (x_191 == 0)
-{
-uint8_t x_192; 
-x_192 = !lean_is_exclusive(x_141);
-if (x_192 == 0)
-{
-lean_object* x_193; uint8_t x_194; lean_object* x_195; uint8_t x_196; 
-x_193 = lean_ctor_get(x_141, 0);
-lean_dec(x_193);
-x_194 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_194);
-lean_ctor_set(x_141, 0, x_137);
-x_195 = lean_st_ref_set(x_5, x_141, x_190);
-x_196 = !lean_is_exclusive(x_195);
-if (x_196 == 0)
-{
-lean_object* x_197; lean_object* x_198; 
-x_197 = lean_ctor_get(x_195, 0);
-lean_dec(x_197);
-x_198 = lean_box(x_135);
-lean_ctor_set(x_195, 0, x_198);
-return x_195;
-}
-else
-{
-lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_199 = lean_ctor_get(x_195, 1);
-lean_inc(x_199);
-lean_dec(x_195);
-x_200 = lean_box(x_135);
-x_201 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_201, 0, x_200);
-lean_ctor_set(x_201, 1, x_199);
-return x_201;
-}
-}
-else
-{
-lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; 
-x_202 = lean_ctor_get(x_141, 1);
-x_203 = lean_ctor_get(x_141, 2);
-x_204 = lean_ctor_get(x_141, 3);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_dec(x_141);
-x_205 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_205);
-x_206 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_206, 0, x_137);
-lean_ctor_set(x_206, 1, x_202);
-lean_ctor_set(x_206, 2, x_203);
-lean_ctor_set(x_206, 3, x_204);
-x_207 = lean_st_ref_set(x_5, x_206, x_190);
-x_208 = lean_ctor_get(x_207, 1);
-lean_inc(x_208);
-if (lean_is_exclusive(x_207)) {
- lean_ctor_release(x_207, 0);
- lean_ctor_release(x_207, 1);
- x_209 = x_207;
-} else {
- lean_dec_ref(x_207);
- x_209 = lean_box(0);
-}
-x_210 = lean_box(x_135);
-if (lean_is_scalar(x_209)) {
- x_211 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_211 = x_209;
-}
-lean_ctor_set(x_211, 0, x_210);
-lean_ctor_set(x_211, 1, x_208);
-return x_211;
-}
-}
-else
-{
-lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; uint8_t x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
-x_212 = lean_ctor_get(x_137, 0);
-x_213 = lean_ctor_get(x_137, 1);
-x_214 = lean_ctor_get(x_137, 2);
-x_215 = lean_ctor_get(x_137, 3);
-x_216 = lean_ctor_get(x_137, 4);
-x_217 = lean_ctor_get(x_137, 5);
-x_218 = lean_ctor_get(x_137, 6);
-x_219 = lean_ctor_get(x_137, 7);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_dec(x_137);
-x_220 = lean_ctor_get(x_141, 1);
-lean_inc(x_220);
-x_221 = lean_ctor_get(x_141, 2);
-lean_inc(x_221);
-x_222 = lean_ctor_get(x_141, 3);
-lean_inc(x_222);
-if (lean_is_exclusive(x_141)) {
- lean_ctor_release(x_141, 0);
- lean_ctor_release(x_141, 1);
- lean_ctor_release(x_141, 2);
- lean_ctor_release(x_141, 3);
- x_223 = x_141;
-} else {
- lean_dec_ref(x_141);
- x_223 = lean_box(0);
-}
-x_224 = 1;
-x_225 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_225, 0, x_212);
-lean_ctor_set(x_225, 1, x_213);
-lean_ctor_set(x_225, 2, x_214);
-lean_ctor_set(x_225, 3, x_215);
-lean_ctor_set(x_225, 4, x_216);
-lean_ctor_set(x_225, 5, x_217);
-lean_ctor_set(x_225, 6, x_218);
-lean_ctor_set(x_225, 7, x_219);
-lean_ctor_set_uint8(x_225, sizeof(void*)*8, x_224);
-if (lean_is_scalar(x_223)) {
- x_226 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_226 = x_223;
-}
-lean_ctor_set(x_226, 0, x_225);
-lean_ctor_set(x_226, 1, x_220);
-lean_ctor_set(x_226, 2, x_221);
-lean_ctor_set(x_226, 3, x_222);
-x_227 = lean_st_ref_set(x_5, x_226, x_190);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-x_230 = lean_box(x_135);
-if (lean_is_scalar(x_229)) {
- x_231 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_231 = x_229;
-}
-lean_ctor_set(x_231, 0, x_230);
-lean_ctor_set(x_231, 1, x_228);
-return x_231;
-}
-}
-}
-block_246:
-{
-if (x_233 == 0)
-{
-uint8_t x_235; 
-x_235 = l_Lean_Expr_hasFVar(x_128);
-if (x_235 == 0)
-{
-uint8_t x_236; 
-x_236 = l_Lean_Expr_hasMVar(x_128);
-if (x_236 == 0)
-{
-uint8_t x_237; 
-lean_dec(x_128);
+lean_dec(x_95);
 lean_dec(x_3);
 lean_dec(x_2);
-x_237 = 0;
-x_135 = x_237;
-x_136 = x_234;
-goto block_232;
-}
-else
-{
-lean_object* x_238; lean_object* x_239; lean_object* x_240; uint8_t x_241; 
-x_238 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_128, x_234);
-x_239 = lean_ctor_get(x_238, 0);
-lean_inc(x_239);
-x_240 = lean_ctor_get(x_238, 1);
-lean_inc(x_240);
-lean_dec(x_238);
-x_241 = lean_unbox(x_239);
-lean_dec(x_239);
-x_135 = x_241;
-x_136 = x_240;
-goto block_232;
-}
-}
-else
-{
-lean_object* x_242; lean_object* x_243; lean_object* x_244; uint8_t x_245; 
-x_242 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_128, x_234);
-x_243 = lean_ctor_get(x_242, 0);
-lean_inc(x_243);
-x_244 = lean_ctor_get(x_242, 1);
-lean_inc(x_244);
-lean_dec(x_242);
-x_245 = lean_unbox(x_243);
-lean_dec(x_243);
-x_135 = x_245;
-x_136 = x_244;
-goto block_232;
-}
-}
-else
-{
-lean_dec(x_128);
-lean_dec(x_3);
-lean_dec(x_2);
-x_135 = x_233;
-x_136 = x_234;
-goto block_232;
+x_102 = x_129;
+x_103 = x_130;
+goto block_128;
 }
 }
 }
@@ -8122,7 +7699,7 @@ x_17 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_18 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_18, 0, x_16);
 lean_ctor_set(x_18, 1, x_17);
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_3, x_4, x_5, x_6, x_7, x_8, x_13);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -8230,7 +7807,7 @@ x_16 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_17 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_17, 0, x_15);
 lean_ctor_set(x_17, 1, x_16);
-x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -8511,7 +8088,7 @@ lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 x_17 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors_elabCtorType___closed__2;
-x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -10116,48 +9693,45 @@ lean_dec(x_17);
 x_18 = !lean_is_exclusive(x_14);
 if (x_18 == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; uint8_t x_23; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
 x_19 = lean_ctor_get(x_14, 5);
 x_20 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_19, x_1, x_2);
-x_21 = 1;
 lean_ctor_set(x_14, 5, x_20);
-lean_ctor_set_uint8(x_14, sizeof(void*)*8, x_21);
-x_22 = lean_st_ref_set(x_6, x_13, x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_21 = lean_st_ref_set(x_6, x_13, x_15);
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-x_25 = lean_box(0);
-lean_ctor_set(x_22, 0, x_25);
-return x_22;
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+lean_dec(x_23);
+x_24 = lean_box(0);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_21, 1);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = lean_box(0);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_29 = lean_ctor_get(x_14, 0);
-x_30 = lean_ctor_get(x_14, 1);
-x_31 = lean_ctor_get(x_14, 2);
-x_32 = lean_ctor_get(x_14, 3);
-x_33 = lean_ctor_get(x_14, 4);
-x_34 = lean_ctor_get(x_14, 5);
-x_35 = lean_ctor_get(x_14, 6);
-x_36 = lean_ctor_get(x_14, 7);
-lean_inc(x_36);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_28 = lean_ctor_get(x_14, 0);
+x_29 = lean_ctor_get(x_14, 1);
+x_30 = lean_ctor_get(x_14, 2);
+x_31 = lean_ctor_get(x_14, 3);
+x_32 = lean_ctor_get(x_14, 4);
+x_33 = lean_ctor_get(x_14, 5);
+x_34 = lean_ctor_get(x_14, 6);
+x_35 = lean_ctor_get(x_14, 7);
 lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
@@ -10165,68 +9739,67 @@ lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
 lean_dec(x_14);
-x_37 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_34, x_1, x_2);
-x_38 = 1;
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_29);
-lean_ctor_set(x_39, 1, x_30);
-lean_ctor_set(x_39, 2, x_31);
-lean_ctor_set(x_39, 3, x_32);
-lean_ctor_set(x_39, 4, x_33);
-lean_ctor_set(x_39, 5, x_37);
-lean_ctor_set(x_39, 6, x_35);
-lean_ctor_set(x_39, 7, x_36);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_38);
-lean_ctor_set(x_13, 0, x_39);
-x_40 = lean_st_ref_set(x_6, x_13, x_15);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
+x_36 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_33, x_1, x_2);
+x_37 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_37, 0, x_28);
+lean_ctor_set(x_37, 1, x_29);
+lean_ctor_set(x_37, 2, x_30);
+lean_ctor_set(x_37, 3, x_31);
+lean_ctor_set(x_37, 4, x_32);
+lean_ctor_set(x_37, 5, x_36);
+lean_ctor_set(x_37, 6, x_34);
+lean_ctor_set(x_37, 7, x_35);
+lean_ctor_set(x_13, 0, x_37);
+x_38 = lean_st_ref_set(x_6, x_13, x_15);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = lean_box(0);
+if (lean_is_scalar(x_40)) {
+ x_42 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_42 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
 }
-x_43 = lean_box(0);
-if (lean_is_scalar(x_42)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_44 = x_42;
-}
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_39);
+return x_42;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_45 = lean_ctor_get(x_13, 1);
-x_46 = lean_ctor_get(x_13, 2);
-x_47 = lean_ctor_get(x_13, 3);
-lean_inc(x_47);
-lean_inc(x_46);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_43 = lean_ctor_get(x_13, 1);
+x_44 = lean_ctor_get(x_13, 2);
+x_45 = lean_ctor_get(x_13, 3);
 lean_inc(x_45);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_13);
-x_48 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_14, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_14, 2);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_14, 1);
+x_49 = lean_ctor_get(x_14, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_14, 2);
+x_50 = lean_ctor_get(x_14, 4);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_14, 3);
+x_51 = lean_ctor_get(x_14, 5);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_14, 4);
+x_52 = lean_ctor_get(x_14, 6);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_14, 5);
+x_53 = lean_ctor_get(x_14, 7);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_14, 6);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_14, 7);
-lean_inc(x_55);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -10236,52 +9809,50 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 5);
  lean_ctor_release(x_14, 6);
  lean_ctor_release(x_14, 7);
- x_56 = x_14;
+ x_54 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_56 = lean_box(0);
+ x_54 = lean_box(0);
 }
-x_57 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_53, x_1, x_2);
-x_58 = 1;
-if (lean_is_scalar(x_56)) {
- x_59 = lean_alloc_ctor(0, 8, 1);
+x_55 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_51, x_1, x_2);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_59 = x_56;
+ x_56 = x_54;
 }
-lean_ctor_set(x_59, 0, x_48);
-lean_ctor_set(x_59, 1, x_49);
-lean_ctor_set(x_59, 2, x_50);
-lean_ctor_set(x_59, 3, x_51);
-lean_ctor_set(x_59, 4, x_52);
-lean_ctor_set(x_59, 5, x_57);
-lean_ctor_set(x_59, 6, x_54);
-lean_ctor_set(x_59, 7, x_55);
-lean_ctor_set_uint8(x_59, sizeof(void*)*8, x_58);
-x_60 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_45);
-lean_ctor_set(x_60, 2, x_46);
-lean_ctor_set(x_60, 3, x_47);
-x_61 = lean_st_ref_set(x_6, x_60, x_15);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_63 = x_61;
+lean_ctor_set(x_56, 0, x_46);
+lean_ctor_set(x_56, 1, x_47);
+lean_ctor_set(x_56, 2, x_48);
+lean_ctor_set(x_56, 3, x_49);
+lean_ctor_set(x_56, 4, x_50);
+lean_ctor_set(x_56, 5, x_55);
+lean_ctor_set(x_56, 6, x_52);
+lean_ctor_set(x_56, 7, x_53);
+x_57 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_43);
+lean_ctor_set(x_57, 2, x_44);
+lean_ctor_set(x_57, 3, x_45);
+x_58 = lean_st_ref_set(x_6, x_57, x_15);
+x_59 = lean_ctor_get(x_58, 1);
+lean_inc(x_59);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_60 = x_58;
 } else {
- lean_dec_ref(x_61);
- x_63 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_60 = lean_box(0);
 }
-x_64 = lean_box(0);
-if (lean_is_scalar(x_63)) {
- x_65 = lean_alloc_ctor(0, 2, 0);
+x_61 = lean_box(0);
+if (lean_is_scalar(x_60)) {
+ x_62 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_65 = x_63;
+ x_62 = x_60;
 }
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_62);
-return x_65;
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_59);
+return x_62;
 }
 }
 }
@@ -10583,114 +10154,165 @@ return x_86;
 }
 case 5:
 {
-lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
 x_87 = lean_ctor_get(x_1, 0);
 lean_inc(x_87);
-x_103 = lean_st_ref_get(x_7, x_8);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-lean_dec(x_103);
-x_105 = lean_st_ref_get(x_5, x_104);
-x_106 = lean_ctor_get(x_105, 0);
-lean_inc(x_106);
-x_107 = lean_ctor_get(x_105, 1);
-lean_inc(x_107);
-lean_dec(x_105);
-x_108 = lean_ctor_get(x_106, 0);
-lean_inc(x_108);
-lean_dec(x_106);
-x_109 = lean_ctor_get(x_108, 5);
-lean_inc(x_109);
-lean_dec(x_108);
+x_88 = lean_st_ref_get(x_7, x_8);
+x_89 = lean_ctor_get(x_88, 1);
+lean_inc(x_89);
+lean_dec(x_88);
+x_90 = lean_st_ref_get(x_5, x_89);
+x_91 = !lean_is_exclusive(x_90);
+if (x_91 == 0)
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_92 = lean_ctor_get(x_90, 0);
+x_93 = lean_ctor_get(x_90, 1);
+x_94 = lean_ctor_get(x_92, 0);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_ctor_get(x_94, 5);
+lean_inc(x_95);
+lean_dec(x_94);
 lean_inc(x_87);
-x_110 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_109, x_87);
-if (lean_obj_tag(x_110) == 0)
+x_96 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_95, x_87);
+if (lean_obj_tag(x_96) == 0)
 {
-x_88 = x_110;
-x_89 = x_107;
-goto block_102;
-}
-else
-{
-lean_object* x_111; lean_object* x_112; 
-x_111 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_107);
-x_112 = lean_ctor_get(x_111, 1);
-lean_inc(x_112);
-lean_dec(x_111);
-x_88 = x_110;
-x_89 = x_112;
-goto block_102;
-}
-block_102:
-{
-if (lean_obj_tag(x_88) == 0)
-{
-lean_object* x_90; 
 lean_dec(x_87);
-x_90 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_90, 0, x_1);
-lean_ctor_set(x_90, 1, x_89);
 return x_90;
 }
 else
 {
-lean_object* x_91; uint8_t x_92; 
+lean_object* x_97; uint8_t x_98; 
 lean_dec(x_1);
-x_91 = lean_ctor_get(x_88, 0);
-lean_inc(x_91);
-lean_dec(x_88);
-x_92 = l_Lean_Level_hasMVar(x_91);
-if (x_92 == 0)
-{
-lean_object* x_93; 
-lean_dec(x_87);
-x_93 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_93, 0, x_91);
-lean_ctor_set(x_93, 1, x_89);
-return x_93;
-}
-else
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
-x_94 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_shouldInferResultUniverse___spec__1(x_91, x_2, x_3, x_4, x_5, x_6, x_7, x_89);
-x_95 = lean_ctor_get(x_94, 0);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_94, 1);
-lean_inc(x_96);
-lean_dec(x_94);
-lean_inc(x_95);
-x_97 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_shouldInferResultUniverse___spec__2(x_87, x_95, x_2, x_3, x_4, x_5, x_6, x_7, x_96);
-x_98 = !lean_is_exclusive(x_97);
+x_97 = lean_ctor_get(x_96, 0);
+lean_inc(x_97);
+lean_dec(x_96);
+x_98 = l_Lean_Level_hasMVar(x_97);
 if (x_98 == 0)
 {
-lean_object* x_99; 
-x_99 = lean_ctor_get(x_97, 0);
-lean_dec(x_99);
-lean_ctor_set(x_97, 0, x_95);
-return x_97;
+lean_dec(x_87);
+lean_ctor_set(x_90, 0, x_97);
+return x_90;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; 
-x_100 = lean_ctor_get(x_97, 1);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+lean_free_object(x_90);
+x_99 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_shouldInferResultUniverse___spec__1(x_97, x_2, x_3, x_4, x_5, x_6, x_7, x_93);
+x_100 = lean_ctor_get(x_99, 0);
 lean_inc(x_100);
-lean_dec(x_97);
-x_101 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_101, 0, x_95);
-lean_ctor_set(x_101, 1, x_100);
-return x_101;
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+lean_inc(x_100);
+x_102 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_shouldInferResultUniverse___spec__2(x_87, x_100, x_2, x_3, x_4, x_5, x_6, x_7, x_101);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_100);
+return x_102;
 }
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_100);
+lean_ctor_set(x_106, 1, x_105);
+return x_106;
+}
+}
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_107 = lean_ctor_get(x_90, 0);
+x_108 = lean_ctor_get(x_90, 1);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_90);
+x_109 = lean_ctor_get(x_107, 0);
+lean_inc(x_109);
+lean_dec(x_107);
+x_110 = lean_ctor_get(x_109, 5);
+lean_inc(x_110);
+lean_dec(x_109);
+lean_inc(x_87);
+x_111 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_110, x_87);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; 
+lean_dec(x_87);
+x_112 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_112, 0, x_1);
+lean_ctor_set(x_112, 1, x_108);
+return x_112;
+}
+else
+{
+lean_object* x_113; uint8_t x_114; 
+lean_dec(x_1);
+x_113 = lean_ctor_get(x_111, 0);
+lean_inc(x_113);
+lean_dec(x_111);
+x_114 = l_Lean_Level_hasMVar(x_113);
+if (x_114 == 0)
+{
+lean_object* x_115; 
+lean_dec(x_87);
+x_115 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_115, 0, x_113);
+lean_ctor_set(x_115, 1, x_108);
+return x_115;
+}
+else
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_116 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_shouldInferResultUniverse___spec__1(x_113, x_2, x_3, x_4, x_5, x_6, x_7, x_108);
+x_117 = lean_ctor_get(x_116, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+lean_inc(x_117);
+x_119 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_shouldInferResultUniverse___spec__2(x_87, x_117, x_2, x_3, x_4, x_5, x_6, x_7, x_118);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_119)) {
+ lean_ctor_release(x_119, 0);
+ lean_ctor_release(x_119, 1);
+ x_121 = x_119;
+} else {
+ lean_dec_ref(x_119);
+ x_121 = lean_box(0);
+}
+if (lean_is_scalar(x_121)) {
+ x_122 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_122 = x_121;
+}
+lean_ctor_set(x_122, 0, x_117);
+lean_ctor_set(x_122, 1, x_120);
+return x_122;
 }
 }
 }
 }
 default: 
 {
-lean_object* x_113; 
-x_113 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_113, 0, x_1);
-lean_ctor_set(x_113, 1, x_8);
-return x_113;
+lean_object* x_123; 
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_1);
+lean_ctor_set(x_123, 1, x_8);
+return x_123;
 }
 }
 }
@@ -12039,48 +11661,45 @@ lean_dec(x_18);
 x_19 = !lean_is_exclusive(x_15);
 if (x_19 == 0)
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; uint8_t x_24; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 x_20 = lean_ctor_get(x_15, 5);
 x_21 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_20, x_1, x_2);
-x_22 = 1;
 lean_ctor_set(x_15, 5, x_21);
-lean_ctor_set_uint8(x_15, sizeof(void*)*8, x_22);
-x_23 = lean_st_ref_set(x_7, x_14, x_16);
-x_24 = !lean_is_exclusive(x_23);
-if (x_24 == 0)
+x_22 = lean_st_ref_set(x_7, x_14, x_16);
+x_23 = !lean_is_exclusive(x_22);
+if (x_23 == 0)
 {
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_23, 0);
-lean_dec(x_25);
-x_26 = lean_box(0);
-lean_ctor_set(x_23, 0, x_26);
-return x_23;
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_ctor_get(x_22, 0);
+lean_dec(x_24);
+x_25 = lean_box(0);
+lean_ctor_set(x_22, 0, x_25);
+return x_22;
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_dec(x_23);
-x_28 = lean_box(0);
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_28);
-lean_ctor_set(x_29, 1, x_27);
-return x_29;
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_22, 1);
+lean_inc(x_26);
+lean_dec(x_22);
+x_27 = lean_box(0);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+return x_28;
 }
 }
 else
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_30 = lean_ctor_get(x_15, 0);
-x_31 = lean_ctor_get(x_15, 1);
-x_32 = lean_ctor_get(x_15, 2);
-x_33 = lean_ctor_get(x_15, 3);
-x_34 = lean_ctor_get(x_15, 4);
-x_35 = lean_ctor_get(x_15, 5);
-x_36 = lean_ctor_get(x_15, 6);
-x_37 = lean_ctor_get(x_15, 7);
-lean_inc(x_37);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_29 = lean_ctor_get(x_15, 0);
+x_30 = lean_ctor_get(x_15, 1);
+x_31 = lean_ctor_get(x_15, 2);
+x_32 = lean_ctor_get(x_15, 3);
+x_33 = lean_ctor_get(x_15, 4);
+x_34 = lean_ctor_get(x_15, 5);
+x_35 = lean_ctor_get(x_15, 6);
+x_36 = lean_ctor_get(x_15, 7);
 lean_inc(x_36);
 lean_inc(x_35);
 lean_inc(x_34);
@@ -12088,68 +11707,67 @@ lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_15);
-x_38 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_35, x_1, x_2);
-x_39 = 1;
-x_40 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_40, 0, x_30);
-lean_ctor_set(x_40, 1, x_31);
-lean_ctor_set(x_40, 2, x_32);
-lean_ctor_set(x_40, 3, x_33);
-lean_ctor_set(x_40, 4, x_34);
-lean_ctor_set(x_40, 5, x_38);
-lean_ctor_set(x_40, 6, x_36);
-lean_ctor_set(x_40, 7, x_37);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_39);
-lean_ctor_set(x_14, 0, x_40);
-x_41 = lean_st_ref_set(x_7, x_14, x_16);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-if (lean_is_exclusive(x_41)) {
- lean_ctor_release(x_41, 0);
- lean_ctor_release(x_41, 1);
+x_37 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_34, x_1, x_2);
+x_38 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_38, 0, x_29);
+lean_ctor_set(x_38, 1, x_30);
+lean_ctor_set(x_38, 2, x_31);
+lean_ctor_set(x_38, 3, x_32);
+lean_ctor_set(x_38, 4, x_33);
+lean_ctor_set(x_38, 5, x_37);
+lean_ctor_set(x_38, 6, x_35);
+lean_ctor_set(x_38, 7, x_36);
+lean_ctor_set(x_14, 0, x_38);
+x_39 = lean_st_ref_set(x_7, x_14, x_16);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+if (lean_is_exclusive(x_39)) {
+ lean_ctor_release(x_39, 0);
+ lean_ctor_release(x_39, 1);
+ x_41 = x_39;
+} else {
+ lean_dec_ref(x_39);
+ x_41 = lean_box(0);
+}
+x_42 = lean_box(0);
+if (lean_is_scalar(x_41)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_43 = x_41;
-} else {
- lean_dec_ref(x_41);
- x_43 = lean_box(0);
 }
-x_44 = lean_box(0);
-if (lean_is_scalar(x_43)) {
- x_45 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_45 = x_43;
-}
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_42);
-return x_45;
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_40);
+return x_43;
 }
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_46 = lean_ctor_get(x_14, 1);
-x_47 = lean_ctor_get(x_14, 2);
-x_48 = lean_ctor_get(x_14, 3);
-lean_inc(x_48);
-lean_inc(x_47);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_44 = lean_ctor_get(x_14, 1);
+x_45 = lean_ctor_get(x_14, 2);
+x_46 = lean_ctor_get(x_14, 3);
 lean_inc(x_46);
+lean_inc(x_45);
+lean_inc(x_44);
 lean_dec(x_14);
-x_49 = lean_ctor_get(x_15, 0);
+x_47 = lean_ctor_get(x_15, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_15, 1);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_15, 2);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_15, 1);
+x_50 = lean_ctor_get(x_15, 3);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_15, 2);
+x_51 = lean_ctor_get(x_15, 4);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_15, 3);
+x_52 = lean_ctor_get(x_15, 5);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_15, 4);
+x_53 = lean_ctor_get(x_15, 6);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_15, 5);
+x_54 = lean_ctor_get(x_15, 7);
 lean_inc(x_54);
-x_55 = lean_ctor_get(x_15, 6);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_15, 7);
-lean_inc(x_56);
 if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 0);
  lean_ctor_release(x_15, 1);
@@ -12159,262 +11777,53 @@ if (lean_is_exclusive(x_15)) {
  lean_ctor_release(x_15, 5);
  lean_ctor_release(x_15, 6);
  lean_ctor_release(x_15, 7);
- x_57 = x_15;
+ x_55 = x_15;
 } else {
  lean_dec_ref(x_15);
- x_57 = lean_box(0);
+ x_55 = lean_box(0);
 }
-x_58 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_54, x_1, x_2);
-x_59 = 1;
-if (lean_is_scalar(x_57)) {
- x_60 = lean_alloc_ctor(0, 8, 1);
+x_56 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_52, x_1, x_2);
+if (lean_is_scalar(x_55)) {
+ x_57 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_60 = x_57;
+ x_57 = x_55;
 }
-lean_ctor_set(x_60, 0, x_49);
-lean_ctor_set(x_60, 1, x_50);
-lean_ctor_set(x_60, 2, x_51);
-lean_ctor_set(x_60, 3, x_52);
-lean_ctor_set(x_60, 4, x_53);
-lean_ctor_set(x_60, 5, x_58);
-lean_ctor_set(x_60, 6, x_55);
-lean_ctor_set(x_60, 7, x_56);
-lean_ctor_set_uint8(x_60, sizeof(void*)*8, x_59);
-x_61 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_46);
-lean_ctor_set(x_61, 2, x_47);
-lean_ctor_set(x_61, 3, x_48);
-x_62 = lean_st_ref_set(x_7, x_61, x_16);
-x_63 = lean_ctor_get(x_62, 1);
-lean_inc(x_63);
-if (lean_is_exclusive(x_62)) {
- lean_ctor_release(x_62, 0);
- lean_ctor_release(x_62, 1);
- x_64 = x_62;
+lean_ctor_set(x_57, 0, x_47);
+lean_ctor_set(x_57, 1, x_48);
+lean_ctor_set(x_57, 2, x_49);
+lean_ctor_set(x_57, 3, x_50);
+lean_ctor_set(x_57, 4, x_51);
+lean_ctor_set(x_57, 5, x_56);
+lean_ctor_set(x_57, 6, x_53);
+lean_ctor_set(x_57, 7, x_54);
+x_58 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_58, 1, x_44);
+lean_ctor_set(x_58, 2, x_45);
+lean_ctor_set(x_58, 3, x_46);
+x_59 = lean_st_ref_set(x_7, x_58, x_16);
+x_60 = lean_ctor_get(x_59, 1);
+lean_inc(x_60);
+if (lean_is_exclusive(x_59)) {
+ lean_ctor_release(x_59, 0);
+ lean_ctor_release(x_59, 1);
+ x_61 = x_59;
 } else {
- lean_dec_ref(x_62);
- x_64 = lean_box(0);
+ lean_dec_ref(x_59);
+ x_61 = lean_box(0);
 }
-x_65 = lean_box(0);
-if (lean_is_scalar(x_64)) {
- x_66 = lean_alloc_ctor(0, 2, 0);
+x_62 = lean_box(0);
+if (lean_is_scalar(x_61)) {
+ x_63 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_66 = x_64;
+ x_63 = x_61;
 }
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_63);
-return x_66;
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_60);
+return x_63;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg___boxed), 4, 0);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_1);
-lean_ctor_set(x_11, 1, x_10);
-return x_11;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -12713,119 +12122,170 @@ return x_87;
 }
 case 5:
 {
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; 
 x_88 = lean_ctor_get(x_1, 0);
 lean_inc(x_88);
-x_104 = lean_st_ref_get(x_8, x_9);
-x_105 = lean_ctor_get(x_104, 1);
-lean_inc(x_105);
-lean_dec(x_104);
-x_106 = lean_st_ref_get(x_6, x_105);
-x_107 = lean_ctor_get(x_106, 0);
-lean_inc(x_107);
-x_108 = lean_ctor_get(x_106, 1);
-lean_inc(x_108);
-lean_dec(x_106);
-x_109 = lean_ctor_get(x_107, 0);
-lean_inc(x_109);
-lean_dec(x_107);
-x_110 = lean_ctor_get(x_109, 5);
-lean_inc(x_110);
-lean_dec(x_109);
+x_89 = lean_st_ref_get(x_8, x_9);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+lean_dec(x_89);
+x_91 = lean_st_ref_get(x_6, x_90);
+x_92 = !lean_is_exclusive(x_91);
+if (x_92 == 0)
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_93 = lean_ctor_get(x_91, 0);
+x_94 = lean_ctor_get(x_91, 1);
+x_95 = lean_ctor_get(x_93, 0);
+lean_inc(x_95);
+lean_dec(x_93);
+x_96 = lean_ctor_get(x_95, 5);
+lean_inc(x_96);
+lean_dec(x_95);
 lean_inc(x_88);
-x_111 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_110, x_88);
-if (lean_obj_tag(x_111) == 0)
+x_97 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_96, x_88);
+if (lean_obj_tag(x_97) == 0)
 {
-x_89 = x_111;
-x_90 = x_108;
-goto block_103;
-}
-else
-{
-lean_object* x_112; lean_object* x_113; 
-x_112 = l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg(x_6, x_7, x_8, x_108);
-x_113 = lean_ctor_get(x_112, 1);
-lean_inc(x_113);
-lean_dec(x_112);
-x_89 = x_111;
-x_90 = x_113;
-goto block_103;
-}
-block_103:
-{
-if (lean_obj_tag(x_89) == 0)
-{
-lean_object* x_91; 
 lean_dec(x_88);
-x_91 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_91, 0, x_1);
-lean_ctor_set(x_91, 1, x_90);
 return x_91;
 }
 else
 {
-lean_object* x_92; uint8_t x_93; 
+lean_object* x_98; uint8_t x_99; 
 lean_dec(x_1);
-x_92 = lean_ctor_get(x_89, 0);
-lean_inc(x_92);
-lean_dec(x_89);
-x_93 = l_Lean_Level_hasMVar(x_92);
-if (x_93 == 0)
-{
-lean_object* x_94; 
-lean_dec(x_88);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_92);
-lean_ctor_set(x_94, 1, x_90);
-return x_94;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; 
-x_95 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1(x_92, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_90);
-x_96 = lean_ctor_get(x_95, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_95, 1);
-lean_inc(x_97);
-lean_dec(x_95);
-lean_inc(x_96);
-x_98 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_accLevelAtCtor___spec__2(x_88, x_96, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_97);
-x_99 = !lean_is_exclusive(x_98);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = l_Lean_Level_hasMVar(x_98);
 if (x_99 == 0)
 {
-lean_object* x_100; 
-x_100 = lean_ctor_get(x_98, 0);
-lean_dec(x_100);
-lean_ctor_set(x_98, 0, x_96);
-return x_98;
+lean_dec(x_88);
+lean_ctor_set(x_91, 0, x_98);
+return x_91;
 }
 else
 {
-lean_object* x_101; lean_object* x_102; 
-x_101 = lean_ctor_get(x_98, 1);
+lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
+lean_free_object(x_91);
+x_100 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1(x_98, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_94);
+x_101 = lean_ctor_get(x_100, 0);
 lean_inc(x_101);
-lean_dec(x_98);
-x_102 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_102, 0, x_96);
-lean_ctor_set(x_102, 1, x_101);
-return x_102;
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+lean_dec(x_100);
+lean_inc(x_101);
+x_103 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_accLevelAtCtor___spec__2(x_88, x_101, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_102);
+x_104 = !lean_is_exclusive(x_103);
+if (x_104 == 0)
+{
+lean_object* x_105; 
+x_105 = lean_ctor_get(x_103, 0);
+lean_dec(x_105);
+lean_ctor_set(x_103, 0, x_101);
+return x_103;
 }
+else
+{
+lean_object* x_106; lean_object* x_107; 
+x_106 = lean_ctor_get(x_103, 1);
+lean_inc(x_106);
+lean_dec(x_103);
+x_107 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_107, 0, x_101);
+lean_ctor_set(x_107, 1, x_106);
+return x_107;
+}
+}
+}
+}
+else
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+x_108 = lean_ctor_get(x_91, 0);
+x_109 = lean_ctor_get(x_91, 1);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_dec(x_91);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_110, 5);
+lean_inc(x_111);
+lean_dec(x_110);
+lean_inc(x_88);
+x_112 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_111, x_88);
+if (lean_obj_tag(x_112) == 0)
+{
+lean_object* x_113; 
+lean_dec(x_88);
+x_113 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_113, 0, x_1);
+lean_ctor_set(x_113, 1, x_109);
+return x_113;
+}
+else
+{
+lean_object* x_114; uint8_t x_115; 
+lean_dec(x_1);
+x_114 = lean_ctor_get(x_112, 0);
+lean_inc(x_114);
+lean_dec(x_112);
+x_115 = l_Lean_Level_hasMVar(x_114);
+if (x_115 == 0)
+{
+lean_object* x_116; 
+lean_dec(x_88);
+x_116 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_116, 0, x_114);
+lean_ctor_set(x_116, 1, x_109);
+return x_116;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_117 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1(x_114, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_109);
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+lean_inc(x_118);
+x_120 = l_Lean_assignLevelMVar___at_Lean_Elab_Command_accLevelAtCtor___spec__2(x_88, x_118, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_119);
+x_121 = lean_ctor_get(x_120, 1);
+lean_inc(x_121);
+if (lean_is_exclusive(x_120)) {
+ lean_ctor_release(x_120, 0);
+ lean_ctor_release(x_120, 1);
+ x_122 = x_120;
+} else {
+ lean_dec_ref(x_120);
+ x_122 = lean_box(0);
+}
+if (lean_is_scalar(x_122)) {
+ x_123 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_123 = x_122;
+}
+lean_ctor_set(x_123, 0, x_118);
+lean_ctor_set(x_123, 1, x_121);
+return x_123;
 }
 }
 }
 }
 default: 
 {
-lean_object* x_114; 
-x_114 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_114, 0, x_1);
-lean_ctor_set(x_114, 1, x_9);
-return x_114;
+lean_object* x_124; 
+x_124 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_124, 0, x_1);
+lean_ctor_set(x_124, 1, x_9);
+return x_124;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_11; uint8_t x_12; 
@@ -12868,7 +12328,7 @@ _start:
 {
 lean_object* x_11; 
 lean_dec(x_2);
-x_11 = l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4(x_1, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_11 = l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3(x_1, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -13440,45 +12900,6 @@ lean_dec(x_3);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Command_accLevelAtCtor___spec__3(x_1, x_2, x_3, x_4);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_11;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Elab_Command_accLevelAtCtor___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -13494,11 +12915,11 @@ lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
-x_10 = l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_10 = l_Lean_throwError___at_Lean_Elab_Command_accLevelAtCtor___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15834,7 +15255,7 @@ x_21 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -20456,14 +19877,13 @@ x_1 = l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkA
 x_2 = l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__5;
 x_3 = l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__6;
 x_4 = l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -30384,7 +29804,7 @@ x_19 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_19, 0, x_18);
 x_20 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_20, 0, x_19);
-x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_20, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_20, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
diff --git a/stage0/stdlib/Lean/Elab/InfoTree/Main.c b/stage0/stdlib/Lean/Elab/InfoTree/Main.c
index f7a0b6372c..cf14b8c9cb 100644
--- a/stage0/stdlib/Lean/Elab/InfoTree/Main.c
+++ b/stage0/stdlib/Lean/Elab/InfoTree/Main.c
@@ -1870,14 +1870,13 @@ x_1 = l_Lean_Elab_ContextInfo_runMetaM___rarg___closed__4;
 x_2 = l_Lean_Elab_ContextInfo_runMetaM___rarg___closed__6;
 x_3 = l_Lean_Elab_ContextInfo_runMetaM___rarg___closed__7;
 x_4 = l_Lean_Elab_ContextInfo_runMetaM___rarg___closed__10;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/InfoTree/Types.c b/stage0/stdlib/Lean/Elab/InfoTree/Types.c
index d6057c9bc4..3d378a5552 100644
--- a/stage0/stdlib/Lean/Elab/InfoTree/Types.c
+++ b/stage0/stdlib/Lean/Elab/InfoTree/Types.c
@@ -139,23 +139,21 @@ return x_3;
 static lean_object* _init_l_Lean_Elab_ContextInfo_mctx___default___closed__6() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Elab_ContextInfo_mctx___default___closed__3;
 x_3 = l_Lean_Elab_ContextInfo_mctx___default___closed__4;
 x_4 = l_Lean_Elab_ContextInfo_mctx___default___closed__5;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Elab_ContextInfo_mctx___default() {
@@ -290,23 +288,21 @@ return x_3;
 static lean_object* _init_l_Lean_Elab_instInhabitedContextInfo___closed__9() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Elab_ContextInfo_mctx___default___closed__3;
 x_3 = l_Lean_Elab_ContextInfo_mctx___default___closed__4;
 x_4 = l_Lean_Elab_ContextInfo_mctx___default___closed__5;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Elab_instInhabitedContextInfo___closed__10() {
diff --git a/stage0/stdlib/Lean/Elab/LetRec.c b/stage0/stdlib/Lean/Elab/LetRec.c
index c6bea4c8cb..8aeba8d8f0 100644
--- a/stage0/stdlib/Lean/Elab/LetRec.c
+++ b/stage0/stdlib/Lean/Elab/LetRec.c
@@ -225,7 +225,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_LetRec_0__Le
 LEAN_EXPORT lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__12___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__12___lambda__3___closed__4;
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__12___lambda__1___closed__7;
@@ -273,6 +272,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetRec___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__13___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_LetRec_0__Lean_Elab_Term_elabLetRecDeclValues(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__12___lambda__2(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addDeclarationRanges___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__6___closed__6;
@@ -824,14 +824,13 @@ x_1 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_LetRec_0__Lean_Elab_T
 x_2 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__6___closed__8;
 x_3 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__6___closed__9;
 x_4 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mkLetRecDeclView___spec__6___closed__12;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -2297,7 +2296,7 @@ x_20 = l_Lean_Elab_elabAttr___at___private_Lean_Elab_LetRec_0__Lean_Elab_Term_mk
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_19);
 lean_ctor_set(x_21, 1, x_20);
-x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_21, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
+x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_21, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
diff --git a/stage0/stdlib/Lean/Elab/Match.c b/stage0/stdlib/Lean/Elab/Match.c
index 077c796d91..22d1ec95c0 100644
--- a/stage0/stdlib/Lean/Elab/Match.c
+++ b/stage0/stdlib/Lean/Elab/Match.c
@@ -140,6 +140,7 @@ LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_Match_0__Lea
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__21;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__11(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3f___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withDepElimPatterns(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
@@ -213,7 +214,6 @@ static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_isMatchUnit_x3
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_containsFVar___spec__1(lean_object*, lean_object*, size_t, size_t);
 lean_object* lean_string_append(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__2;
-lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_ToDepElimPattern_main___spec__5(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -361,6 +361,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_transform___at___private_Lean_Elab_Match_0_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goType___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateRefT_x27_lift(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__5;
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandNonAtomicDiscrs_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -492,6 +493,7 @@ lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Offset_0__Lean_Met
 lean_object* l_Lean_Syntax_getId(lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_applyRefMap___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Term_instAddErrorMessageContextTermElabM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___spec__1(lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__9;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_GeneralizeResult_refined___default;
@@ -623,6 +625,7 @@ static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMa
 static lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___rarg___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoMatch___closed__3;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_waitExpectedTypeAndDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -848,7 +851,6 @@ lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_ToDepElimPattern_main___spec__4___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltView___lambda__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__5___rarg___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -920,7 +922,6 @@ lean_object* l_Lean_Meta_eraseInaccessibleAnnotations___lambda__1___boxed(lean_o
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_goIndex___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch_docString(lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__9___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_tryPostponeIfDiscrTypeIsMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at_Lean_Elab_Term_collectUnassignedMVars_go___spec__1(lean_object*, lean_object*);
@@ -975,7 +976,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatte
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_Match_0__Lean_Elab_Term_generalize___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_ToDepElimPattern_isExplicitPatternVar___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_ToDepElimPattern_normalize___spec__2(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_Context_explicitPatternVars___default;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withoutAuxDiscrs___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1041,6 +1041,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Match_0
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__9___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getPatternsVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabInaccessible_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__13___boxed(lean_object*, lean_object*);
@@ -1084,6 +1085,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_precheckMatch___lambda__3(lean_object*
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_findDiscrRefinementPath_checkCompatibleApps___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitLambda___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object*, lean_object*);
 lean_object* l_runST___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrsWitMatchType___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_check(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -14980,6 +14982,22 @@ x_11 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_e
 return x_11;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___spec__1___rarg), 8, 0);
+return x_2;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -15049,7 +15067,7 @@ _start:
 lean_object* x_9; lean_object* x_10; 
 x_9 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_0__Lean_Elab_Term_withPatternElabConfig___rarg___lambda__1), 8, 1);
 lean_closure_set(x_9, 0, x_1);
-x_10 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_10 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_10;
 }
 }
@@ -22555,7 +22573,7 @@ x_125 = lean_ctor_get(x_122, 1);
 x_126 = lean_ctor_get(x_124, 1);
 lean_inc(x_126);
 lean_dec(x_124);
-x_127 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_126, x_111);
+x_127 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_126, x_111);
 lean_dec(x_126);
 if (lean_obj_tag(x_127) == 0)
 {
@@ -22696,7 +22714,7 @@ lean_dec(x_122);
 x_169 = lean_ctor_get(x_167, 1);
 lean_inc(x_169);
 lean_dec(x_167);
-x_170 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_169, x_111);
+x_170 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_169, x_111);
 lean_dec(x_169);
 if (lean_obj_tag(x_170) == 0)
 {
@@ -22887,7 +22905,7 @@ if (lean_is_exclusive(x_219)) {
 x_223 = lean_ctor_get(x_220, 1);
 lean_inc(x_223);
 lean_dec(x_220);
-x_224 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_223, x_111);
+x_224 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_223, x_111);
 lean_dec(x_223);
 if (lean_obj_tag(x_224) == 0)
 {
@@ -28584,7 +28602,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -29312,7 +29330,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -29612,7 +29630,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_10 = lean_st_ref_get(x_8, x_9);
 x_11 = lean_ctor_get(x_10, 1);
 lean_inc(x_11);
@@ -29626,235 +29644,170 @@ lean_dec(x_12);
 x_15 = lean_ctor_get(x_13, 0);
 lean_inc(x_15);
 lean_dec(x_13);
-x_114 = l_Lean_exprDependsOn___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__1___closed__1;
-x_115 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_15);
-x_116 = l_Lean_Expr_hasFVar(x_1);
-if (x_116 == 0)
+x_16 = l_Lean_exprDependsOn___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__1___closed__1;
+lean_inc(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = l_Lean_Expr_hasFVar(x_1);
+if (x_18 == 0)
 {
-uint8_t x_117; 
-x_117 = l_Lean_Expr_hasMVar(x_1);
-if (x_117 == 0)
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasMVar(x_1);
+if (x_19 == 0)
 {
-uint8_t x_118; 
-lean_dec(x_1);
-x_118 = 0;
-x_16 = x_118;
-x_17 = x_115;
-goto block_113;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__2(x_2, x_1, x_115);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_16 = x_122;
-x_17 = x_121;
-goto block_113;
-}
-}
-else
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-x_123 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__10(x_2, x_1, x_115);
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_123, 1);
-lean_inc(x_125);
-lean_dec(x_123);
-x_126 = lean_unbox(x_124);
-lean_dec(x_124);
-x_16 = x_126;
-x_17 = x_125;
-goto block_113;
-}
-block_113:
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
 lean_dec(x_17);
-x_19 = lean_st_ref_get(x_8, x_14);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_take(x_6, x_20);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_18, sizeof(void*)*8);
-if (x_23 == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_24 = lean_ctor_get(x_22, 0);
+lean_dec(x_1);
+x_20 = lean_st_ref_get(x_8, x_14);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = lean_st_ref_take(x_6, x_21);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
-lean_dec(x_21);
-x_26 = lean_ctor_get(x_18, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_18, 2);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_18, 3);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_18, 4);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_18, 5);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_18, 6);
+lean_dec(x_22);
+x_25 = !lean_is_exclusive(x_23);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_23, 0);
+lean_dec(x_26);
+lean_ctor_set(x_23, 0, x_15);
+x_27 = lean_st_ref_set(x_6, x_23, x_24);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; uint8_t x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_27, 0);
+lean_dec(x_29);
+x_30 = 0;
+x_31 = lean_box(x_30);
+lean_ctor_set(x_27, 0, x_31);
+return x_27;
+}
+else
+{
+lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_27, 1);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_18, 7);
-lean_inc(x_33);
-lean_dec(x_18);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
+lean_dec(x_27);
+x_33 = 0;
+x_34 = lean_box(x_33);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_32);
+return x_35;
+}
+}
+else
 {
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_22, 0);
-lean_dec(x_35);
-x_36 = !lean_is_exclusive(x_24);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_37 = lean_ctor_get(x_24, 7);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_24, 6);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_24, 5);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_24, 4);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_24, 3);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_24, 2);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_24, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_24, 0);
-lean_dec(x_44);
-lean_ctor_set(x_24, 7, x_33);
-lean_ctor_set(x_24, 6, x_32);
-lean_ctor_set(x_24, 5, x_31);
-lean_ctor_set(x_24, 4, x_30);
-lean_ctor_set(x_24, 3, x_29);
-lean_ctor_set(x_24, 2, x_28);
-lean_ctor_set(x_24, 1, x_27);
-lean_ctor_set(x_24, 0, x_26);
-x_45 = lean_st_ref_set(x_6, x_22, x_25);
-x_46 = !lean_is_exclusive(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_45, 0);
-lean_dec(x_47);
-x_48 = lean_box(x_16);
-lean_ctor_set(x_45, 0, x_48);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_45; 
+x_36 = lean_ctor_get(x_23, 1);
+x_37 = lean_ctor_get(x_23, 2);
+x_38 = lean_ctor_get(x_23, 3);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_23);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_15);
+lean_ctor_set(x_39, 1, x_36);
+lean_ctor_set(x_39, 2, x_37);
+lean_ctor_set(x_39, 3, x_38);
+x_40 = lean_st_ref_set(x_6, x_39, x_24);
+x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_42 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_42 = lean_box(0);
+}
+x_43 = 0;
+x_44 = lean_box(x_43);
+if (lean_is_scalar(x_42)) {
+ x_45 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_45 = x_42;
+}
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_41);
 return x_45;
 }
+}
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_45, 1);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_15);
+x_46 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__2(x_2, x_1, x_17);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 0);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = lean_ctor_get(x_47, 1);
 lean_inc(x_49);
-lean_dec(x_45);
-x_50 = lean_box(x_16);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_49);
-return x_51;
-}
+lean_dec(x_47);
+x_50 = lean_st_ref_get(x_8, x_14);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_take(x_6, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_56 = lean_ctor_get(x_53, 0);
+lean_dec(x_56);
+lean_ctor_set(x_53, 0, x_49);
+x_57 = lean_st_ref_set(x_6, x_53, x_54);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+lean_ctor_set(x_57, 0, x_48);
+return x_57;
 }
 else
 {
-uint8_t x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-lean_dec(x_24);
-x_53 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_53, 0, x_26);
-lean_ctor_set(x_53, 1, x_27);
-lean_ctor_set(x_53, 2, x_28);
-lean_ctor_set(x_53, 3, x_29);
-lean_ctor_set(x_53, 4, x_30);
-lean_ctor_set(x_53, 5, x_31);
-lean_ctor_set(x_53, 6, x_32);
-lean_ctor_set(x_53, 7, x_33);
-lean_ctor_set_uint8(x_53, sizeof(void*)*8, x_52);
-lean_ctor_set(x_22, 0, x_53);
-x_54 = lean_st_ref_set(x_6, x_22, x_25);
-x_55 = lean_ctor_get(x_54, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- x_56 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_56 = lean_box(0);
-}
-x_57 = lean_box(x_16);
-if (lean_is_scalar(x_56)) {
- x_58 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_58 = x_56;
-}
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_55);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_59 = lean_ctor_get(x_22, 1);
-x_60 = lean_ctor_get(x_22, 2);
-x_61 = lean_ctor_get(x_22, 3);
-lean_inc(x_61);
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_ctor_get(x_57, 1);
 lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_22);
-x_62 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- lean_ctor_release(x_24, 2);
- lean_ctor_release(x_24, 3);
- lean_ctor_release(x_24, 4);
- lean_ctor_release(x_24, 5);
- lean_ctor_release(x_24, 6);
- lean_ctor_release(x_24, 7);
- x_63 = x_24;
-} else {
- lean_dec_ref(x_24);
- x_63 = lean_box(0);
+lean_dec(x_57);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_48);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
-if (lean_is_scalar(x_63)) {
- x_64 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_64 = x_63;
 }
-lean_ctor_set(x_64, 0, x_26);
-lean_ctor_set(x_64, 1, x_27);
-lean_ctor_set(x_64, 2, x_28);
-lean_ctor_set(x_64, 3, x_29);
-lean_ctor_set(x_64, 4, x_30);
-lean_ctor_set(x_64, 5, x_31);
-lean_ctor_set(x_64, 6, x_32);
-lean_ctor_set(x_64, 7, x_33);
-lean_ctor_set_uint8(x_64, sizeof(void*)*8, x_62);
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_62 = lean_ctor_get(x_53, 1);
+x_63 = lean_ctor_get(x_53, 2);
+x_64 = lean_ctor_get(x_53, 3);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
 x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_59);
-lean_ctor_set(x_65, 2, x_60);
-lean_ctor_set(x_65, 3, x_61);
-x_66 = lean_st_ref_set(x_6, x_65, x_25);
+lean_ctor_set(x_65, 0, x_49);
+lean_ctor_set(x_65, 1, x_62);
+lean_ctor_set(x_65, 2, x_63);
+lean_ctor_set(x_65, 3, x_64);
+x_66 = lean_st_ref_set(x_6, x_65, x_54);
 x_67 = lean_ctor_get(x_66, 1);
 lean_inc(x_67);
 if (lean_is_exclusive(x_66)) {
@@ -29865,176 +29818,103 @@ if (lean_is_exclusive(x_66)) {
  lean_dec_ref(x_66);
  x_68 = lean_box(0);
 }
-x_69 = lean_box(x_16);
 if (lean_is_scalar(x_68)) {
- x_70 = lean_alloc_ctor(0, 2, 0);
+ x_69 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_70 = x_68;
+ x_69 = x_68;
+}
+lean_ctor_set(x_69, 0, x_48);
+lean_ctor_set(x_69, 1, x_67);
+return x_69;
 }
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_67);
-return x_70;
 }
 }
 else
 {
-lean_object* x_71; uint8_t x_72; 
-x_71 = lean_ctor_get(x_21, 1);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
+lean_dec(x_15);
+x_70 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__10(x_2, x_1, x_17);
+x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
-lean_dec(x_21);
-x_72 = !lean_is_exclusive(x_18);
-if (x_72 == 0)
-{
-uint8_t x_73; 
-x_73 = !lean_is_exclusive(x_22);
-if (x_73 == 0)
-{
-lean_object* x_74; uint8_t x_75; lean_object* x_76; uint8_t x_77; 
-x_74 = lean_ctor_get(x_22, 0);
+x_72 = lean_ctor_get(x_70, 0);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_st_ref_get(x_8, x_14);
+x_75 = lean_ctor_get(x_74, 1);
+lean_inc(x_75);
 lean_dec(x_74);
-x_75 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_75);
-lean_ctor_set(x_22, 0, x_18);
-x_76 = lean_st_ref_set(x_6, x_22, x_71);
-x_77 = !lean_is_exclusive(x_76);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_76, 0);
-lean_dec(x_78);
-x_79 = lean_box(x_16);
-lean_ctor_set(x_76, 0, x_79);
-return x_76;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_76, 1);
-lean_inc(x_80);
+x_76 = lean_st_ref_take(x_6, x_75);
+x_77 = lean_ctor_get(x_76, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
 lean_dec(x_76);
-x_81 = lean_box(x_16);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_80);
-return x_82;
-}
+x_79 = !lean_is_exclusive(x_77);
+if (x_79 == 0)
+{
+lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_80 = lean_ctor_get(x_77, 0);
+lean_dec(x_80);
+lean_ctor_set(x_77, 0, x_73);
+x_81 = lean_st_ref_set(x_6, x_77, x_78);
+x_82 = !lean_is_exclusive(x_81);
+if (x_82 == 0)
+{
+lean_object* x_83; 
+x_83 = lean_ctor_get(x_81, 0);
+lean_dec(x_83);
+lean_ctor_set(x_81, 0, x_72);
+return x_81;
 }
 else
 {
-lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_83 = lean_ctor_get(x_22, 1);
-x_84 = lean_ctor_get(x_22, 2);
-x_85 = lean_ctor_get(x_22, 3);
-lean_inc(x_85);
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_81, 1);
 lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_22);
-x_86 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_86);
-x_87 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_87, 0, x_18);
-lean_ctor_set(x_87, 1, x_83);
-lean_ctor_set(x_87, 2, x_84);
-lean_ctor_set(x_87, 3, x_85);
-x_88 = lean_st_ref_set(x_6, x_87, x_71);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-x_91 = lean_box(x_16);
-if (lean_is_scalar(x_90)) {
- x_92 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_92 = x_90;
-}
-lean_ctor_set(x_92, 0, x_91);
-lean_ctor_set(x_92, 1, x_89);
-return x_92;
+lean_dec(x_81);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_72);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
 }
 }
 else
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_93 = lean_ctor_get(x_18, 0);
-x_94 = lean_ctor_get(x_18, 1);
-x_95 = lean_ctor_get(x_18, 2);
-x_96 = lean_ctor_get(x_18, 3);
-x_97 = lean_ctor_get(x_18, 4);
-x_98 = lean_ctor_get(x_18, 5);
-x_99 = lean_ctor_get(x_18, 6);
-x_100 = lean_ctor_get(x_18, 7);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_18);
-x_101 = lean_ctor_get(x_22, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_22, 2);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_22, 3);
-lean_inc(x_103);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- x_104 = x_22;
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_86 = lean_ctor_get(x_77, 1);
+x_87 = lean_ctor_get(x_77, 2);
+x_88 = lean_ctor_get(x_77, 3);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_77);
+x_89 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_89, 0, x_73);
+lean_ctor_set(x_89, 1, x_86);
+lean_ctor_set(x_89, 2, x_87);
+lean_ctor_set(x_89, 3, x_88);
+x_90 = lean_st_ref_set(x_6, x_89, x_78);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_92 = x_90;
 } else {
- lean_dec_ref(x_22);
- x_104 = lean_box(0);
+ lean_dec_ref(x_90);
+ x_92 = lean_box(0);
 }
-x_105 = 1;
-x_106 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_106, 0, x_93);
-lean_ctor_set(x_106, 1, x_94);
-lean_ctor_set(x_106, 2, x_95);
-lean_ctor_set(x_106, 3, x_96);
-lean_ctor_set(x_106, 4, x_97);
-lean_ctor_set(x_106, 5, x_98);
-lean_ctor_set(x_106, 6, x_99);
-lean_ctor_set(x_106, 7, x_100);
-lean_ctor_set_uint8(x_106, sizeof(void*)*8, x_105);
-if (lean_is_scalar(x_104)) {
- x_107 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_92)) {
+ x_93 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_107 = x_104;
-}
-lean_ctor_set(x_107, 0, x_106);
-lean_ctor_set(x_107, 1, x_101);
-lean_ctor_set(x_107, 2, x_102);
-lean_ctor_set(x_107, 3, x_103);
-x_108 = lean_st_ref_set(x_6, x_107, x_71);
-x_109 = lean_ctor_get(x_108, 1);
-lean_inc(x_109);
-if (lean_is_exclusive(x_108)) {
- lean_ctor_release(x_108, 0);
- lean_ctor_release(x_108, 1);
- x_110 = x_108;
-} else {
- lean_dec_ref(x_108);
- x_110 = lean_box(0);
-}
-x_111 = lean_box(x_16);
-if (lean_is_scalar(x_110)) {
- x_112 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_112 = x_110;
-}
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_109);
-return x_112;
+ x_93 = x_92;
 }
+lean_ctor_set(x_93, 0, x_72);
+lean_ctor_set(x_93, 1, x_91);
+return x_93;
 }
 }
 }
@@ -32974,7 +32854,7 @@ x_38 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_35);
+x_40 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_35);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -33130,7 +33010,7 @@ x_73 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_74 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_74, 0, x_72);
 lean_ctor_set(x_74, 1, x_73);
-x_75 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_74, x_10, x_11, x_12, x_13, x_14, x_15, x_70);
+x_75 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_74, x_10, x_11, x_12, x_13, x_14, x_15, x_70);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -42710,7 +42590,7 @@ lean_object* x_19; lean_object* x_20; uint8_t x_21;
 lean_dec(x_13);
 lean_dec(x_1);
 x_19 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___closed__2;
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -43300,7 +43180,7 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 x_19 = l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandNonAtomicDiscrs_x3f_loop___lambda__2___closed__2;
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_1, x_2, x_3, x_4, x_11, x_12, x_16);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_1, x_2, x_3, x_4, x_11, x_12, x_16);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_4);
diff --git a/stage0/stdlib/Lean/Elab/MutualDef.c b/stage0/stdlib/Lean/Elab/MutualDef.c
index f9f0ef7ed0..f6bbb61426 100644
--- a/stage0/stdlib/Lean/Elab/MutualDef.c
+++ b/stage0/stdlib/Lean/Elab/MutualDef.c
@@ -45,7 +45,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualD
 lean_object* lean_erase_macro_scopes(lean_object*);
 lean_object* l_Lean_CollectMVars_visit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_Elab_Term_checkForHiddenUnivLevels_visit___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLCtx___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_FunBinders_elabFunBinderViews___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_checkForHiddenUnivLevels_visitLevel___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -579,6 +578,7 @@ lean_object* l_Lean_Expr_bvar___override(lean_object*);
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Std_RBNode_find___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_updateUsedVarsOf___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosureFor___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_transform___at_Lean_Core_betaReduce___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_resetZetaFVarIds___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -789,7 +789,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_MutualClosure_ClosureState_newLetDecls
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___closed__4;
 lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosures___spec__8___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosures___spec__9(lean_object*, size_t, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -973,6 +972,7 @@ static lean_object* l_Lean_addDeclarationRanges___at___private_Lean_Elab_MutualD
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Elab_Term_checkForHiddenUnivLevels_visit___spec__4___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__1___closed__5;
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at_Lean_Elab_Term_MutualClosure_insertReplacementForMainFns___spec__2(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_collectUsed___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_processDeriving___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_checkForHiddenUnivLevels___spec__2___closed__1;
@@ -1231,7 +1231,7 @@ block_18:
 lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 lean_dec(x_11);
 x_12 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_checkModifiers___lambda__2___closed__2;
-x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_12, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_12, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -1328,7 +1328,7 @@ block_17:
 lean_object* x_11; lean_object* x_12; uint8_t x_13; 
 lean_dec(x_10);
 x_11 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_checkModifiers___closed__2;
-x_12 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_12 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -1533,7 +1533,7 @@ block_17:
 lean_object* x_11; lean_object* x_12; uint8_t x_13; 
 lean_dec(x_10);
 x_11 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_checkKinds___closed__2;
-x_12 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_12 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_11, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -1748,7 +1748,7 @@ if (x_20 == 0)
 lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_16);
 x_21 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__2;
-x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -1988,7 +1988,7 @@ else
 {
 lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_18 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__3___closed__2;
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2062,7 +2062,7 @@ else
 {
 lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_18 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__4___closed__2;
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2136,7 +2136,7 @@ else
 {
 lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_18 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__5___closed__2;
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2211,7 +2211,7 @@ else
 {
 lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_19 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__6___closed__2;
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2286,7 +2286,7 @@ else
 {
 lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_19 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__7___closed__2;
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -2360,7 +2360,7 @@ else
 {
 lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_18 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___closed__2;
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -3611,14 +3611,13 @@ x_1 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_MutualDef_0__Lean_Ela
 x_2 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__5___closed__8;
 x_3 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__5___closed__9;
 x_4 = l_Lean_addDeclarationRanges___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__5___closed__12;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -34691,7 +34690,7 @@ x_14 = l_Lean_throwUnknownConstant___at_Lean_Elab_Term_elabMutualDef_processDeri
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_13);
 lean_ctor_set(x_15, 1, x_14);
-x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_16;
 }
 }
@@ -38160,7 +38159,7 @@ lean_dec(x_18);
 lean_dec(x_12);
 lean_dec(x_9);
 x_26 = l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___closed__3;
-x_27 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__2(x_16, x_26, x_2, x_3, x_17);
+x_27 = l_Lean_throwErrorAt___at_Lean_Elab_Command_mkInstanceName___spec__3(x_16, x_26, x_2, x_3, x_17);
 x_28 = !lean_is_exclusive(x_27);
 if (x_28 == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c b/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
index aa70ca46aa..00fe74fb01 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Basic.c
@@ -3297,14 +3297,13 @@ x_1 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux___lamb
 x_2 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux___lambda__4___closed__9;
 x_3 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux___lambda__4___closed__10;
 x_4 = l___private_Lean_Elab_PreDefinition_Basic_0__Lean_Elab_addNonRecAux___lambda__4___closed__13;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
index 4d25f54184..0990c0306a 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Eqns.c
@@ -43,6 +43,7 @@ static lean_object* l_Lean_Elab_Eqns_simpEqnType___lambda__2___closed__2;
 uint8_t l_Lean_Expr_isMData(lean_object*);
 extern lean_object* l_Lean_Meta_tactic_hygienic;
 lean_object* l_Lean_throwError___at_Lean_Meta_setInlineAttribute___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__22(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__19(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
@@ -50,13 +51,11 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnType___s
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkEqnTypes_go___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_shouldUseSimpMatch___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
-static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1;
 lean_object* l_Lean_Meta_isMatcherAppCore_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Eqns_mkUnfoldProof___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkConstWithFreshMVarLevels(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_whnfReducibleLHS_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2;
 static lean_object* l_Lean_Elab_Eqns_simpEqnType_collect___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_whnfAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__21___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -210,7 +209,6 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnType___spec__1___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_findMatchToSplit_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_simpIf_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldrMAux___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn_collectDeps___spec__2(lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -226,11 +224,12 @@ lean_object* l_Lean_Meta_transform___at_Lean_Meta_zetaReduce___spec__1(lean_obje
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_shouldUseSimpMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldrMAux___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn_isIrrelevant___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_simpEqnType___spec__1___at_Lean_Elab_Eqns_simpEqnType___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_replaceFVar(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421_(lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Elab_Eqns_mkEqnTypes_go___spec__2___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn_pushDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -272,6 +271,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default;
 static lean_object* l_Lean_Elab_Eqns_simpEqnType___lambda__2___closed__3;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 lean_object* l_Std_RBNode_insert___at_Lean_Meta_ToHide_moveToHiddeProp___spec__1(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1;
 extern lean_object* l_Lean_Expr_instHashableExpr;
 static lean_object* l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__6;
 static lean_object* l_Lean_Elab_Eqns_deltaLHS___lambda__2___closed__4;
@@ -288,6 +288,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnus
 uint8_t l_Std_HashSetImp_contains___at_Lean_CollectMVars_visit___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_splitMatch_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_left(size_t, size_t);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_simpEqnType_collect___lambda__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_getUnfoldFor_x3f___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_apply(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -305,7 +306,6 @@ static lean_object* l_Lean_Elab_Eqns_mkUnfoldProof_go___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_Eqns_deltaLHS___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go___closed__1;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
@@ -462,6 +462,7 @@ lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__3___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__4(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Eqns_splitMatch_x3f_go___closed__7;
+lean_object* l_Lean_MVarId_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__24(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkEqnTypes_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_instantiate_rev(lean_object*, lean_object*);
@@ -508,7 +509,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDe
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__3___at_Lean_Elab_Eqns_removeUnusedEqnHypotheses_go___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_unfoldEqnExt;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Eqns_0__Lean_Elab_Eqns_saveEqn___spec__29(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_simpEqnType___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -948,6 +948,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -1043,6 +1044,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -1170,6 +1172,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_47 = !lean_is_exclusive(x_46);
 if (x_47 == 0)
 {
@@ -1222,6 +1225,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_56 = !lean_is_exclusive(x_55);
 if (x_56 == 0)
 {
@@ -1260,6 +1264,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_63 = !lean_is_exclusive(x_62);
 if (x_63 == 0)
 {
@@ -1293,6 +1298,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -2954,7 +2960,7 @@ x_10 = 0;
 x_11 = l_Lean_Option_set___at_Lean_Meta_withPPInaccessibleNamesImp___spec__2(x_8, x_9, x_10);
 lean_ctor_set(x_4, 2, x_11);
 x_12 = l_Lean_Elab_Eqns_tryURefl___closed__3;
-x_13 = l_Lean_Meta_applyRefl(x_1, x_12, x_2, x_3, x_4, x_5, x_6);
+x_13 = l_Lean_MVarId_applyRefl(x_1, x_12, x_2, x_3, x_4, x_5, x_6);
 if (lean_obj_tag(x_13) == 0)
 {
 uint8_t x_14; 
@@ -3053,7 +3059,7 @@ lean_ctor_set(x_42, 8, x_36);
 lean_ctor_set(x_42, 9, x_37);
 lean_ctor_set(x_42, 10, x_38);
 x_43 = l_Lean_Elab_Eqns_tryURefl___closed__3;
-x_44 = l_Lean_Meta_applyRefl(x_1, x_43, x_2, x_3, x_42, x_5, x_6);
+x_44 = l_Lean_MVarId_applyRefl(x_1, x_43, x_2, x_3, x_42, x_5, x_6);
 if (lean_obj_tag(x_44) == 0)
 {
 lean_object* x_45; lean_object* x_46; uint8_t x_47; lean_object* x_48; lean_object* x_49; 
@@ -21047,65 +21053,9 @@ _start:
 {
 lean_object* x_7; lean_object* x_8; 
 x_7 = l_Lean_Elab_Eqns_tryContradiction___closed__1;
-x_8 = l_Lean_Meta_contradiction(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; uint8_t x_11; lean_object* x_12; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-x_11 = 1;
-x_12 = lean_box(x_11);
-lean_ctor_set(x_8, 0, x_12);
+x_8 = l_Lean_MVarId_contradictionCore(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
 return x_8;
 }
-else
-{
-lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; 
-x_13 = lean_ctor_get(x_8, 1);
-lean_inc(x_13);
-lean_dec(x_8);
-x_14 = 1;
-x_15 = lean_box(x_14);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_13);
-return x_16;
-}
-}
-else
-{
-uint8_t x_17; 
-x_17 = !lean_is_exclusive(x_8);
-if (x_17 == 0)
-{
-lean_object* x_18; uint8_t x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_8, 0);
-lean_dec(x_18);
-x_19 = 0;
-x_20 = lean_box(x_19);
-lean_ctor_set_tag(x_8, 0);
-lean_ctor_set(x_8, 0, x_20);
-return x_8;
-}
-else
-{
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
-x_21 = lean_ctor_get(x_8, 1);
-lean_inc(x_21);
-lean_dec(x_8);
-x_22 = 0;
-x_23 = lean_box(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_21);
-return x_24;
-}
-}
-}
 }
 static lean_object* _init_l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default___closed__1() {
 _start:
@@ -21135,7 +21085,7 @@ x_1 = l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default___closed__1;
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1() {
+static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -21145,11 +21095,11 @@ lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1;
+x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1;
 x_3 = l_Lean_EnvExtensionInterfaceUnsafe_registerExt___rarg(x_2, x_1);
 return x_3;
 }
@@ -21293,7 +21243,7 @@ return x_18;
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkUnfoldProof_go___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+lean_object* x_9; 
 lean_dec(x_3);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -21301,6 +21251,9 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_1);
 x_9 = l_Lean_Elab_Eqns_tryContradiction(x_1, x_4, x_5, x_6, x_7, x_8);
+if (lean_obj_tag(x_9) == 0)
+{
+lean_object* x_10; uint8_t x_11; 
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_unbox(x_10);
@@ -21352,6 +21305,35 @@ return x_20;
 }
 }
 }
+else
+{
+uint8_t x_21; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_21 = !lean_is_exclusive(x_9);
+if (x_21 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_24 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+return x_24;
+}
+}
+}
 }
 LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_mkUnfoldProof_go___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
@@ -23550,14 +23532,13 @@ x_1 = l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__3;
 x_2 = l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__5;
 x_3 = l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__6;
 x_4 = l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -24322,7 +24303,7 @@ x_8 = l_Std_PersistentHashMap_insertAux___at_Lean_Elab_Eqns_getUnfoldFor_x3f___s
 return x_8;
 }
 }
-static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1() {
+static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -24330,21 +24311,21 @@ x_1 = lean_mk_string_from_bytes("unfoldEqn", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2() {
+static lean_object* _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Eqns_simpEqnType___lambda__2___closed__4;
-x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1;
+x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2;
+x_2 = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 if (lean_obj_tag(x_3) == 0)
 {
@@ -24587,9 +24568,9 @@ l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default = _init_l_Lean_Elab_Eqns_Unfold
 lean_mark_persistent(l_Lean_Elab_Eqns_UnfoldEqnExtState_map___default);
 l_Lean_Elab_Eqns_instInhabitedUnfoldEqnExtState = _init_l_Lean_Elab_Eqns_instInhabitedUnfoldEqnExtState();
 lean_mark_persistent(l_Lean_Elab_Eqns_instInhabitedUnfoldEqnExtState);
-l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1();
-lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466____closed__1);
-if (builtin) {res = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5466_(lean_io_mk_world());
+l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1();
+lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421____closed__1);
+if (builtin) {res = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_5421_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Eqns_unfoldEqnExt = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Eqns_unfoldEqnExt);
@@ -24640,11 +24621,11 @@ l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__9 = _init_l_Lean_Elab_Eqns_getUnfold
 lean_mark_persistent(l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__9);
 l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__10 = _init_l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__10();
 lean_mark_persistent(l_Lean_Elab_Eqns_getUnfoldFor_x3f___closed__10);
-l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1();
-lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__1);
-l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2();
-lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539____closed__2);
-res = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6539_(lean_io_mk_world());
+l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1();
+lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__1);
+l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2 = _init_l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2();
+lean_mark_persistent(l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494____closed__2);
+res = l_Lean_Elab_Eqns_initFn____x40_Lean_Elab_PreDefinition_Eqns___hyg_6494_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
index 5542ff4ec7..deebd12547 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
@@ -6985,432 +6985,178 @@ goto block_19;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
 lean_inc(x_32);
-if (lean_is_exclusive(x_30)) {
- lean_ctor_release(x_30, 0);
- lean_ctor_release(x_30, 1);
- x_33 = x_30;
-} else {
- lean_dec_ref(x_30);
- x_33 = lean_box(0);
-}
-x_69 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_23, x_5, x_6, x_7, x_8, x_32);
-x_70 = lean_ctor_get(x_69, 1);
-lean_inc(x_70);
-lean_dec(x_69);
-x_71 = lean_st_ref_get(x_8, x_70);
-x_72 = lean_ctor_get(x_71, 1);
-lean_inc(x_72);
-lean_dec(x_71);
-x_73 = lean_st_ref_take(x_6, x_72);
-x_74 = lean_ctor_get(x_73, 0);
-lean_inc(x_74);
-x_75 = lean_ctor_get_uint8(x_29, sizeof(void*)*8);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_73, 1);
-lean_inc(x_77);
-lean_dec(x_73);
-x_78 = lean_ctor_get(x_29, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_29, 1);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_29, 2);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_29, 3);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_29, 4);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_29, 5);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_29, 6);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_29, 7);
-lean_inc(x_85);
-lean_dec(x_29);
-x_86 = !lean_is_exclusive(x_74);
-if (x_86 == 0)
-{
-lean_object* x_87; uint8_t x_88; 
-x_87 = lean_ctor_get(x_74, 0);
-lean_dec(x_87);
-x_88 = !lean_is_exclusive(x_76);
-if (x_88 == 0)
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_89 = lean_ctor_get(x_76, 7);
-lean_dec(x_89);
-x_90 = lean_ctor_get(x_76, 6);
-lean_dec(x_90);
-x_91 = lean_ctor_get(x_76, 5);
-lean_dec(x_91);
-x_92 = lean_ctor_get(x_76, 4);
-lean_dec(x_92);
-x_93 = lean_ctor_get(x_76, 3);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_76, 2);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_76, 1);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_76, 0);
-lean_dec(x_96);
-lean_ctor_set(x_76, 7, x_85);
-lean_ctor_set(x_76, 6, x_84);
-lean_ctor_set(x_76, 5, x_83);
-lean_ctor_set(x_76, 4, x_82);
-lean_ctor_set(x_76, 3, x_81);
-lean_ctor_set(x_76, 2, x_80);
-lean_ctor_set(x_76, 1, x_79);
-lean_ctor_set(x_76, 0, x_78);
-x_97 = lean_st_ref_set(x_6, x_74, x_77);
-x_98 = lean_ctor_get(x_97, 1);
-lean_inc(x_98);
-lean_dec(x_97);
-x_34 = x_98;
-goto block_68;
-}
-else
-{
-uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_99 = lean_ctor_get_uint8(x_76, sizeof(void*)*8);
-lean_dec(x_76);
-x_100 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_100, 0, x_78);
-lean_ctor_set(x_100, 1, x_79);
-lean_ctor_set(x_100, 2, x_80);
-lean_ctor_set(x_100, 3, x_81);
-lean_ctor_set(x_100, 4, x_82);
-lean_ctor_set(x_100, 5, x_83);
-lean_ctor_set(x_100, 6, x_84);
-lean_ctor_set(x_100, 7, x_85);
-lean_ctor_set_uint8(x_100, sizeof(void*)*8, x_99);
-lean_ctor_set(x_74, 0, x_100);
-x_101 = lean_st_ref_set(x_6, x_74, x_77);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_34 = x_102;
-goto block_68;
-}
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_103 = lean_ctor_get(x_74, 1);
-x_104 = lean_ctor_get(x_74, 2);
-x_105 = lean_ctor_get(x_74, 3);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_inc(x_103);
-lean_dec(x_74);
-x_106 = lean_ctor_get_uint8(x_76, sizeof(void*)*8);
-if (lean_is_exclusive(x_76)) {
- lean_ctor_release(x_76, 0);
- lean_ctor_release(x_76, 1);
- lean_ctor_release(x_76, 2);
- lean_ctor_release(x_76, 3);
- lean_ctor_release(x_76, 4);
- lean_ctor_release(x_76, 5);
- lean_ctor_release(x_76, 6);
- lean_ctor_release(x_76, 7);
- x_107 = x_76;
-} else {
- lean_dec_ref(x_76);
- x_107 = lean_box(0);
-}
-if (lean_is_scalar(x_107)) {
- x_108 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_108 = x_107;
-}
-lean_ctor_set(x_108, 0, x_78);
-lean_ctor_set(x_108, 1, x_79);
-lean_ctor_set(x_108, 2, x_80);
-lean_ctor_set(x_108, 3, x_81);
-lean_ctor_set(x_108, 4, x_82);
-lean_ctor_set(x_108, 5, x_83);
-lean_ctor_set(x_108, 6, x_84);
-lean_ctor_set(x_108, 7, x_85);
-lean_ctor_set_uint8(x_108, sizeof(void*)*8, x_106);
-x_109 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_109, 0, x_108);
-lean_ctor_set(x_109, 1, x_103);
-lean_ctor_set(x_109, 2, x_104);
-lean_ctor_set(x_109, 3, x_105);
-x_110 = lean_st_ref_set(x_6, x_109, x_77);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-lean_dec(x_110);
-x_34 = x_111;
-goto block_68;
-}
-}
-else
-{
-lean_object* x_112; uint8_t x_113; 
-x_112 = lean_ctor_get(x_73, 1);
-lean_inc(x_112);
-lean_dec(x_73);
-x_113 = !lean_is_exclusive(x_29);
-if (x_113 == 0)
-{
-uint8_t x_114; 
-x_114 = !lean_is_exclusive(x_74);
-if (x_114 == 0)
-{
-lean_object* x_115; uint8_t x_116; lean_object* x_117; lean_object* x_118; 
-x_115 = lean_ctor_get(x_74, 0);
-lean_dec(x_115);
-x_116 = 1;
-lean_ctor_set_uint8(x_29, sizeof(void*)*8, x_116);
-lean_ctor_set(x_74, 0, x_29);
-x_117 = lean_st_ref_set(x_6, x_74, x_112);
-x_118 = lean_ctor_get(x_117, 1);
-lean_inc(x_118);
-lean_dec(x_117);
-x_34 = x_118;
-goto block_68;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_119 = lean_ctor_get(x_74, 1);
-x_120 = lean_ctor_get(x_74, 2);
-x_121 = lean_ctor_get(x_74, 3);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_74);
-x_122 = 1;
-lean_ctor_set_uint8(x_29, sizeof(void*)*8, x_122);
-x_123 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_123, 0, x_29);
-lean_ctor_set(x_123, 1, x_119);
-lean_ctor_set(x_123, 2, x_120);
-lean_ctor_set(x_123, 3, x_121);
-x_124 = lean_st_ref_set(x_6, x_123, x_112);
-x_125 = lean_ctor_get(x_124, 1);
-lean_inc(x_125);
-lean_dec(x_124);
-x_34 = x_125;
-goto block_68;
-}
-}
-else
-{
-lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_126 = lean_ctor_get(x_29, 0);
-x_127 = lean_ctor_get(x_29, 1);
-x_128 = lean_ctor_get(x_29, 2);
-x_129 = lean_ctor_get(x_29, 3);
-x_130 = lean_ctor_get(x_29, 4);
-x_131 = lean_ctor_get(x_29, 5);
-x_132 = lean_ctor_get(x_29, 6);
-x_133 = lean_ctor_get(x_29, 7);
-lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_inc(x_126);
-lean_dec(x_29);
-x_134 = lean_ctor_get(x_74, 1);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_74, 2);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_74, 3);
-lean_inc(x_136);
-if (lean_is_exclusive(x_74)) {
- lean_ctor_release(x_74, 0);
- lean_ctor_release(x_74, 1);
- lean_ctor_release(x_74, 2);
- lean_ctor_release(x_74, 3);
- x_137 = x_74;
-} else {
- lean_dec_ref(x_74);
- x_137 = lean_box(0);
-}
-x_138 = 1;
-x_139 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_139, 0, x_126);
-lean_ctor_set(x_139, 1, x_127);
-lean_ctor_set(x_139, 2, x_128);
-lean_ctor_set(x_139, 3, x_129);
-lean_ctor_set(x_139, 4, x_130);
-lean_ctor_set(x_139, 5, x_131);
-lean_ctor_set(x_139, 6, x_132);
-lean_ctor_set(x_139, 7, x_133);
-lean_ctor_set_uint8(x_139, sizeof(void*)*8, x_138);
-if (lean_is_scalar(x_137)) {
- x_140 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_140 = x_137;
-}
-lean_ctor_set(x_140, 0, x_139);
-lean_ctor_set(x_140, 1, x_134);
-lean_ctor_set(x_140, 2, x_135);
-lean_ctor_set(x_140, 3, x_136);
-x_141 = lean_st_ref_set(x_6, x_140, x_112);
-x_142 = lean_ctor_get(x_141, 1);
-lean_inc(x_142);
-lean_dec(x_141);
-x_34 = x_142;
-goto block_68;
-}
-}
-block_68:
-{
-if (lean_obj_tag(x_31) == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+lean_dec(x_30);
+x_33 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_23, x_5, x_6, x_7, x_8, x_32);
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
 lean_dec(x_33);
-x_35 = lean_ctor_get(x_31, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_31, 1);
+x_35 = lean_st_ref_get(x_8, x_34);
+x_36 = lean_ctor_get(x_35, 1);
 lean_inc(x_36);
-lean_dec(x_31);
-lean_inc(x_4);
-x_37 = l_Lean_Elab_wfRecursion(x_1, x_4, x_4, x_2, x_3, x_5, x_6, x_7, x_8, x_34);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_dec(x_36);
 lean_dec(x_35);
-x_10 = x_37;
-goto block_19;
-}
-else
-{
-lean_object* x_38; 
+x_37 = lean_st_ref_take(x_6, x_36);
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
-if (lean_obj_tag(x_38) == 0)
-{
-uint8_t x_39; 
-x_39 = !lean_is_exclusive(x_37);
-if (x_39 == 0)
-{
-lean_object* x_40; uint8_t x_41; 
-x_40 = lean_ctor_get(x_37, 0);
-lean_dec(x_40);
-x_41 = !lean_is_exclusive(x_38);
-if (x_41 == 0)
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_42 = lean_ctor_get(x_38, 1);
-x_43 = lean_ctor_get(x_38, 0);
-lean_dec(x_43);
-x_44 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
-x_45 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_45, 0, x_36);
-lean_ctor_set(x_45, 1, x_44);
-x_46 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_44);
-x_47 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_42);
-lean_ctor_set(x_38, 1, x_47);
-lean_ctor_set(x_38, 0, x_35);
-x_10 = x_37;
-goto block_19;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_48 = lean_ctor_get(x_38, 1);
-lean_inc(x_48);
-lean_dec(x_38);
-x_49 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
-x_50 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_50, 0, x_36);
-lean_ctor_set(x_50, 1, x_49);
-x_51 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_49);
-x_52 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_48);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_35);
-lean_ctor_set(x_53, 1, x_52);
-lean_ctor_set(x_37, 0, x_53);
-x_10 = x_37;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_54 = lean_ctor_get(x_37, 1);
-lean_inc(x_54);
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
 lean_dec(x_37);
-x_55 = lean_ctor_get(x_38, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- lean_ctor_release(x_38, 1);
- x_56 = x_38;
-} else {
- lean_dec_ref(x_38);
- x_56 = lean_box(0);
+x_40 = !lean_is_exclusive(x_38);
+if (x_40 == 0)
+{
+lean_object* x_41; lean_object* x_42; 
+x_41 = lean_ctor_get(x_38, 0);
+lean_dec(x_41);
+lean_ctor_set(x_38, 0, x_29);
+x_42 = lean_st_ref_set(x_6, x_38, x_39);
+if (lean_obj_tag(x_31) == 0)
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+lean_dec(x_42);
+x_44 = lean_ctor_get(x_31, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_31, 1);
+lean_inc(x_45);
+lean_dec(x_31);
+lean_inc(x_4);
+x_46 = l_Lean_Elab_wfRecursion(x_1, x_4, x_4, x_2, x_3, x_5, x_6, x_7, x_8, x_43);
+if (lean_obj_tag(x_46) == 0)
+{
+lean_dec(x_45);
+lean_dec(x_44);
+x_10 = x_46;
+goto block_19;
 }
-x_57 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
-x_58 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_58, 0, x_36);
-lean_ctor_set(x_58, 1, x_57);
+else
+{
+lean_object* x_47; 
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+if (lean_obj_tag(x_47) == 0)
+{
+uint8_t x_48; 
+x_48 = !lean_is_exclusive(x_46);
+if (x_48 == 0)
+{
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_46, 0);
+lean_dec(x_49);
+x_50 = !lean_is_exclusive(x_47);
+if (x_50 == 0)
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_51 = lean_ctor_get(x_47, 1);
+x_52 = lean_ctor_get(x_47, 0);
+lean_dec(x_52);
+x_53 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_45);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_53);
+x_56 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_51);
+lean_ctor_set(x_47, 1, x_56);
+lean_ctor_set(x_47, 0, x_44);
+x_10 = x_46;
+goto block_19;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_57 = lean_ctor_get(x_47, 1);
+lean_inc(x_57);
+lean_dec(x_47);
+x_58 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
 x_59 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_57);
+lean_ctor_set(x_59, 0, x_45);
+lean_ctor_set(x_59, 1, x_58);
 x_60 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_55);
-if (lean_is_scalar(x_56)) {
- x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 1, x_58);
+x_61 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_57);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_44);
+lean_ctor_set(x_62, 1, x_61);
+lean_ctor_set(x_46, 0, x_62);
+x_10 = x_46;
+goto block_19;
+}
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_63 = lean_ctor_get(x_46, 1);
+lean_inc(x_63);
+lean_dec(x_46);
+x_64 = lean_ctor_get(x_47, 1);
+lean_inc(x_64);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_65 = x_47;
 } else {
- x_61 = x_56;
+ lean_dec_ref(x_47);
+ x_65 = lean_box(0);
 }
-lean_ctor_set(x_61, 0, x_35);
-lean_ctor_set(x_61, 1, x_60);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_54);
-x_10 = x_62;
+x_66 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
+x_67 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_67, 0, x_45);
+lean_ctor_set(x_67, 1, x_66);
+x_68 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_66);
+x_69 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_69, 0, x_68);
+lean_ctor_set(x_69, 1, x_64);
+if (lean_is_scalar(x_65)) {
+ x_70 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_70 = x_65;
+}
+lean_ctor_set(x_70, 0, x_44);
+lean_ctor_set(x_70, 1, x_69);
+x_71 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_63);
+x_10 = x_71;
 goto block_19;
 }
 }
 else
 {
-uint8_t x_63; 
-lean_dec(x_36);
-lean_dec(x_35);
-x_63 = !lean_is_exclusive(x_37);
-if (x_63 == 0)
+uint8_t x_72; 
+lean_dec(x_45);
+lean_dec(x_44);
+x_72 = !lean_is_exclusive(x_46);
+if (x_72 == 0)
 {
-lean_object* x_64; 
-x_64 = lean_ctor_get(x_37, 0);
-lean_dec(x_64);
-x_10 = x_37;
+lean_object* x_73; 
+x_73 = lean_ctor_get(x_46, 0);
+lean_dec(x_73);
+x_10 = x_46;
 goto block_19;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = lean_ctor_get(x_37, 1);
-lean_inc(x_65);
-lean_dec(x_37);
-x_66 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_66, 0, x_38);
-lean_ctor_set(x_66, 1, x_65);
-x_10 = x_66;
+lean_object* x_74; lean_object* x_75; 
+x_74 = lean_ctor_get(x_46, 1);
+lean_inc(x_74);
+lean_dec(x_46);
+x_75 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_75, 0, x_47);
+lean_ctor_set(x_75, 1, x_74);
+x_10 = x_75;
 goto block_19;
 }
 }
@@ -7418,7 +7164,7 @@ goto block_19;
 }
 else
 {
-lean_object* x_67; 
+uint8_t x_76; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -7427,14 +7173,179 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-if (lean_is_scalar(x_33)) {
- x_67 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_67 = x_33;
+x_76 = !lean_is_exclusive(x_42);
+if (x_76 == 0)
+{
+lean_object* x_77; 
+x_77 = lean_ctor_get(x_42, 0);
+lean_dec(x_77);
+lean_ctor_set_tag(x_42, 1);
+lean_ctor_set(x_42, 0, x_31);
+x_10 = x_42;
+goto block_19;
 }
-lean_ctor_set(x_67, 0, x_31);
-lean_ctor_set(x_67, 1, x_34);
-x_10 = x_67;
+else
+{
+lean_object* x_78; lean_object* x_79; 
+x_78 = lean_ctor_get(x_42, 1);
+lean_inc(x_78);
+lean_dec(x_42);
+x_79 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_79, 0, x_31);
+lean_ctor_set(x_79, 1, x_78);
+x_10 = x_79;
+goto block_19;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_80 = lean_ctor_get(x_38, 1);
+x_81 = lean_ctor_get(x_38, 2);
+x_82 = lean_ctor_get(x_38, 3);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_38);
+x_83 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_83, 0, x_29);
+lean_ctor_set(x_83, 1, x_80);
+lean_ctor_set(x_83, 2, x_81);
+lean_ctor_set(x_83, 3, x_82);
+x_84 = lean_st_ref_set(x_6, x_83, x_39);
+if (lean_obj_tag(x_31) == 0)
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_85 = lean_ctor_get(x_84, 1);
+lean_inc(x_85);
+lean_dec(x_84);
+x_86 = lean_ctor_get(x_31, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_31, 1);
+lean_inc(x_87);
+lean_dec(x_31);
+lean_inc(x_4);
+x_88 = l_Lean_Elab_wfRecursion(x_1, x_4, x_4, x_2, x_3, x_5, x_6, x_7, x_8, x_85);
+if (lean_obj_tag(x_88) == 0)
+{
+lean_dec(x_87);
+lean_dec(x_86);
+x_10 = x_88;
+goto block_19;
+}
+else
+{
+lean_object* x_89; 
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+if (lean_obj_tag(x_89) == 0)
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_91 = x_88;
+} else {
+ lean_dec_ref(x_88);
+ x_91 = lean_box(0);
+}
+x_92 = lean_ctor_get(x_89, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_93 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_93 = lean_box(0);
+}
+x_94 = l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__22___lambda__1___closed__3;
+x_95 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_95, 0, x_87);
+lean_ctor_set(x_95, 1, x_94);
+x_96 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_96, 0, x_95);
+lean_ctor_set(x_96, 1, x_94);
+x_97 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_92);
+if (lean_is_scalar(x_93)) {
+ x_98 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_98 = x_93;
+}
+lean_ctor_set(x_98, 0, x_86);
+lean_ctor_set(x_98, 1, x_97);
+if (lean_is_scalar(x_91)) {
+ x_99 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_99 = x_91;
+}
+lean_ctor_set(x_99, 0, x_98);
+lean_ctor_set(x_99, 1, x_90);
+x_10 = x_99;
+goto block_19;
+}
+else
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+lean_dec(x_87);
+lean_dec(x_86);
+x_100 = lean_ctor_get(x_88, 1);
+lean_inc(x_100);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_101 = x_88;
+} else {
+ lean_dec_ref(x_88);
+ x_101 = lean_box(0);
+}
+if (lean_is_scalar(x_101)) {
+ x_102 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_102 = x_101;
+}
+lean_ctor_set(x_102, 0, x_89);
+lean_ctor_set(x_102, 1, x_100);
+x_10 = x_102;
+goto block_19;
+}
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_103 = lean_ctor_get(x_84, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_104 = x_84;
+} else {
+ lean_dec_ref(x_84);
+ x_104 = lean_box(0);
+}
+if (lean_is_scalar(x_104)) {
+ x_105 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_105 = x_104;
+ lean_ctor_set_tag(x_105, 1);
+}
+lean_ctor_set(x_105, 0, x_31);
+lean_ctor_set(x_105, 1, x_103);
+x_10 = x_105;
 goto block_19;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
index f3476cd26c..c8c8b3f30f 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/BRecOn.c
@@ -1049,6 +1049,7 @@ x_34 = lean_ctor_get(x_33, 1);
 lean_inc(x_34);
 lean_dec(x_33);
 x_35 = l_Lean_Meta_SavedState_restore(x_27, x_6, x_7, x_8, x_9, x_34);
+lean_dec(x_27);
 x_36 = lean_ctor_get(x_35, 1);
 lean_inc(x_36);
 lean_dec(x_35);
@@ -1108,6 +1109,7 @@ x_46 = lean_ctor_get(x_30, 1);
 lean_inc(x_46);
 lean_dec(x_30);
 x_47 = l_Lean_Meta_SavedState_restore(x_27, x_6, x_7, x_8, x_9, x_46);
+lean_dec(x_27);
 x_48 = lean_ctor_get(x_47, 1);
 lean_inc(x_48);
 lean_dec(x_47);
@@ -1215,6 +1217,7 @@ x_68 = lean_ctor_get(x_67, 1);
 lean_inc(x_68);
 lean_dec(x_67);
 x_69 = l_Lean_Meta_SavedState_restore(x_61, x_6, x_7, x_8, x_9, x_68);
+lean_dec(x_61);
 x_70 = lean_ctor_get(x_69, 1);
 lean_inc(x_70);
 lean_dec(x_69);
@@ -1274,6 +1277,7 @@ x_80 = lean_ctor_get(x_64, 1);
 lean_inc(x_80);
 lean_dec(x_64);
 x_81 = l_Lean_Meta_SavedState_restore(x_61, x_6, x_7, x_8, x_9, x_80);
+lean_dec(x_61);
 x_82 = lean_ctor_get(x_81, 1);
 lean_inc(x_82);
 lean_dec(x_81);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
index e288f78d82..b5845cfd83 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Eqns.c
@@ -512,7 +512,7 @@ x_11 = lean_unbox(x_10);
 lean_dec(x_10);
 if (x_11 == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
+lean_object* x_12; lean_object* x_13; 
 x_12 = lean_ctor_get(x_9, 1);
 lean_inc(x_12);
 lean_dec(x_9);
@@ -522,6 +522,9 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_1);
 x_13 = l_Lean_Elab_Eqns_tryContradiction(x_1, x_4, x_5, x_6, x_7, x_12);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; uint8_t x_15; 
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
 x_15 = lean_unbox(x_14);
@@ -1138,27 +1141,56 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_133 = !lean_is_exclusive(x_9);
+x_133 = !lean_is_exclusive(x_13);
 if (x_133 == 0)
 {
-lean_object* x_134; lean_object* x_135; 
-x_134 = lean_ctor_get(x_9, 0);
-lean_dec(x_134);
-x_135 = lean_box(0);
-lean_ctor_set(x_9, 0, x_135);
+return x_13;
+}
+else
+{
+lean_object* x_134; lean_object* x_135; lean_object* x_136; 
+x_134 = lean_ctor_get(x_13, 0);
+x_135 = lean_ctor_get(x_13, 1);
+lean_inc(x_135);
+lean_inc(x_134);
+lean_dec(x_13);
+x_136 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_136, 0, x_134);
+lean_ctor_set(x_136, 1, x_135);
+return x_136;
+}
+}
+}
+else
+{
+uint8_t x_137; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_137 = !lean_is_exclusive(x_9);
+if (x_137 == 0)
+{
+lean_object* x_138; lean_object* x_139; 
+x_138 = lean_ctor_get(x_9, 0);
+lean_dec(x_138);
+x_139 = lean_box(0);
+lean_ctor_set(x_9, 0, x_139);
 return x_9;
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_136 = lean_ctor_get(x_9, 1);
-lean_inc(x_136);
+lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_140 = lean_ctor_get(x_9, 1);
+lean_inc(x_140);
 lean_dec(x_9);
-x_137 = lean_box(0);
-x_138 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_138, 0, x_137);
-lean_ctor_set(x_138, 1, x_136);
-return x_138;
+x_141 = lean_box(0);
+x_142 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_140);
+return x_142;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/FindRecArg.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/FindRecArg.c
index 8ef22ed218..383772b523 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/FindRecArg.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/FindRecArg.c
@@ -93,6 +93,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_PreDefinitio
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_getIndexMinPos___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Structural_findRecArg(lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forEachExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_findRecArg_go___rarg___closed__7;
@@ -220,7 +221,6 @@ lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_ob
 static lean_object* l_Lean_Elab_Structural_findRecArg_go___rarg___lambda__3___closed__6;
 extern lean_object* l_Lean_brecOnSuffix;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Structural_findRecArg_go___rarg___closed__4;
 static lean_object* l_Lean_Elab_Structural_findRecArg_go___rarg___lambda__1___closed__2;
@@ -830,7 +830,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -1558,7 +1558,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -1858,7 +1858,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_8 = lean_st_ref_get(x_6, x_7);
 x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
@@ -1872,235 +1872,170 @@ lean_dec(x_10);
 x_13 = lean_ctor_get(x_11, 0);
 lean_inc(x_13);
 lean_dec(x_11);
-x_112 = l_Lean_exprDependsOn___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__1___closed__1;
-x_113 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_13);
-x_114 = l_Lean_Expr_hasFVar(x_1);
-if (x_114 == 0)
+x_14 = l_Lean_exprDependsOn___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__1___closed__1;
+lean_inc(x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_13);
+x_16 = l_Lean_Expr_hasFVar(x_1);
+if (x_16 == 0)
 {
-uint8_t x_115; 
-x_115 = l_Lean_Expr_hasMVar(x_1);
-if (x_115 == 0)
+uint8_t x_17; 
+x_17 = l_Lean_Expr_hasMVar(x_1);
+if (x_17 == 0)
 {
-uint8_t x_116; 
-lean_dec(x_1);
-x_116 = 0;
-x_14 = x_116;
-x_15 = x_113;
-goto block_111;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_117 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__2(x_2, x_1, x_113);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
-lean_dec(x_118);
-x_14 = x_120;
-x_15 = x_119;
-goto block_111;
-}
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__10(x_2, x_1, x_113);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
-lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
-lean_dec(x_122);
-x_14 = x_124;
-x_15 = x_123;
-goto block_111;
-}
-block_111:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_15);
-x_17 = lean_st_ref_get(x_6, x_12);
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_take(x_4, x_18);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_16, sizeof(void*)*8);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_1);
+x_18 = lean_st_ref_get(x_6, x_12);
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = lean_st_ref_take(x_4, x_19);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_19, 1);
-lean_inc(x_23);
-lean_dec(x_19);
-x_24 = lean_ctor_get(x_16, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_16, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_16, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_16, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_16, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_16, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_16, 6);
+lean_dec(x_20);
+x_23 = !lean_is_exclusive(x_21);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_24 = lean_ctor_get(x_21, 0);
+lean_dec(x_24);
+lean_ctor_set(x_21, 0, x_13);
+x_25 = lean_st_ref_set(x_4, x_21, x_22);
+x_26 = !lean_is_exclusive(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_25, 0);
+lean_dec(x_27);
+x_28 = 0;
+x_29 = lean_box(x_28);
+lean_ctor_set(x_25, 0, x_29);
+return x_25;
+}
+else
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_ctor_get(x_25, 1);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_16, 7);
-lean_inc(x_31);
-lean_dec(x_16);
-x_32 = !lean_is_exclusive(x_20);
-if (x_32 == 0)
+lean_dec(x_25);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_20, 0);
-lean_dec(x_33);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_35 = lean_ctor_get(x_22, 7);
-lean_dec(x_35);
-x_36 = lean_ctor_get(x_22, 6);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_22, 5);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_22, 4);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_22, 3);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_22, 2);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_22, 1);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_22, 0);
-lean_dec(x_42);
-lean_ctor_set(x_22, 7, x_31);
-lean_ctor_set(x_22, 6, x_30);
-lean_ctor_set(x_22, 5, x_29);
-lean_ctor_set(x_22, 4, x_28);
-lean_ctor_set(x_22, 3, x_27);
-lean_ctor_set(x_22, 2, x_26);
-lean_ctor_set(x_22, 1, x_25);
-lean_ctor_set(x_22, 0, x_24);
-x_43 = lean_st_ref_set(x_4, x_20, x_23);
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_ctor_get(x_43, 0);
-lean_dec(x_45);
-x_46 = lean_box(x_14);
-lean_ctor_set(x_43, 0, x_46);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; 
+x_34 = lean_ctor_get(x_21, 1);
+x_35 = lean_ctor_get(x_21, 2);
+x_36 = lean_ctor_get(x_21, 3);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_21);
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_13);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_35);
+lean_ctor_set(x_37, 3, x_36);
+x_38 = lean_st_ref_set(x_4, x_37, x_22);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = 0;
+x_42 = lean_box(x_41);
+if (lean_is_scalar(x_40)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_43 = x_40;
+}
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_39);
 return x_43;
 }
+}
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_43, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+lean_dec(x_13);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__2(x_2, x_1, x_15);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
 lean_inc(x_47);
-lean_dec(x_43);
-x_48 = lean_box(x_14);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-return x_49;
-}
+lean_dec(x_45);
+x_48 = lean_st_ref_get(x_6, x_12);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_4, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+lean_dec(x_54);
+lean_ctor_set(x_51, 0, x_47);
+x_55 = lean_st_ref_set(x_4, x_51, x_52);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set(x_55, 0, x_46);
+return x_55;
 }
 else
 {
-uint8_t x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_50 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-lean_dec(x_22);
-x_51 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_51, 0, x_24);
-lean_ctor_set(x_51, 1, x_25);
-lean_ctor_set(x_51, 2, x_26);
-lean_ctor_set(x_51, 3, x_27);
-lean_ctor_set(x_51, 4, x_28);
-lean_ctor_set(x_51, 5, x_29);
-lean_ctor_set(x_51, 6, x_30);
-lean_ctor_set(x_51, 7, x_31);
-lean_ctor_set_uint8(x_51, sizeof(void*)*8, x_50);
-lean_ctor_set(x_20, 0, x_51);
-x_52 = lean_st_ref_set(x_4, x_20, x_23);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(x_14);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_57 = lean_ctor_get(x_20, 1);
-x_58 = lean_ctor_get(x_20, 2);
-x_59 = lean_ctor_get(x_20, 3);
-lean_inc(x_59);
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
 lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_20);
-x_60 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- lean_ctor_release(x_22, 4);
- lean_ctor_release(x_22, 5);
- lean_ctor_release(x_22, 6);
- lean_ctor_release(x_22, 7);
- x_61 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_61 = lean_box(0);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_46);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_62 = x_61;
 }
-lean_ctor_set(x_62, 0, x_24);
-lean_ctor_set(x_62, 1, x_25);
-lean_ctor_set(x_62, 2, x_26);
-lean_ctor_set(x_62, 3, x_27);
-lean_ctor_set(x_62, 4, x_28);
-lean_ctor_set(x_62, 5, x_29);
-lean_ctor_set(x_62, 6, x_30);
-lean_ctor_set(x_62, 7, x_31);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_60);
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_60 = lean_ctor_get(x_51, 1);
+x_61 = lean_ctor_get(x_51, 2);
+x_62 = lean_ctor_get(x_51, 3);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_51);
 x_63 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-lean_ctor_set(x_63, 2, x_58);
-lean_ctor_set(x_63, 3, x_59);
-x_64 = lean_st_ref_set(x_4, x_63, x_23);
+lean_ctor_set(x_63, 0, x_47);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_61);
+lean_ctor_set(x_63, 3, x_62);
+x_64 = lean_st_ref_set(x_4, x_63, x_52);
 x_65 = lean_ctor_get(x_64, 1);
 lean_inc(x_65);
 if (lean_is_exclusive(x_64)) {
@@ -2111,176 +2046,103 @@ if (lean_is_exclusive(x_64)) {
  lean_dec_ref(x_64);
  x_66 = lean_box(0);
 }
-x_67 = lean_box(x_14);
 if (lean_is_scalar(x_66)) {
- x_68 = lean_alloc_ctor(0, 2, 0);
+ x_67 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_68 = x_66;
+ x_67 = x_66;
+}
+lean_ctor_set(x_67, 0, x_46);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_65);
-return x_68;
 }
 }
 else
 {
-lean_object* x_69; uint8_t x_70; 
-x_69 = lean_ctor_get(x_19, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
+lean_dec(x_13);
+x_68 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_hasBadIndexDep_x3f___spec__10(x_2, x_1, x_15);
+x_69 = lean_ctor_get(x_68, 1);
 lean_inc(x_69);
-lean_dec(x_19);
-x_70 = !lean_is_exclusive(x_16);
-if (x_70 == 0)
-{
-uint8_t x_71; 
-x_71 = !lean_is_exclusive(x_20);
-if (x_71 == 0)
-{
-lean_object* x_72; uint8_t x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_20, 0);
+x_70 = lean_ctor_get(x_68, 0);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = lean_st_ref_get(x_6, x_12);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
 lean_dec(x_72);
-x_73 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_73);
-lean_ctor_set(x_20, 0, x_16);
-x_74 = lean_st_ref_set(x_4, x_20, x_69);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-x_77 = lean_box(x_14);
-lean_ctor_set(x_74, 0, x_77);
-return x_74;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_74, 1);
-lean_inc(x_78);
+x_74 = lean_st_ref_take(x_4, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
 lean_dec(x_74);
-x_79 = lean_box(x_14);
-x_80 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
-}
+x_77 = !lean_is_exclusive(x_75);
+if (x_77 == 0)
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_75, 0);
+lean_dec(x_78);
+lean_ctor_set(x_75, 0, x_71);
+x_79 = lean_st_ref_set(x_4, x_75, x_76);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+lean_ctor_set(x_79, 0, x_70);
+return x_79;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_81 = lean_ctor_get(x_20, 1);
-x_82 = lean_ctor_get(x_20, 2);
-x_83 = lean_ctor_get(x_20, 3);
-lean_inc(x_83);
+lean_object* x_82; lean_object* x_83; 
+x_82 = lean_ctor_get(x_79, 1);
 lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_20);
-x_84 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_84);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_16);
-lean_ctor_set(x_85, 1, x_81);
-lean_ctor_set(x_85, 2, x_82);
-lean_ctor_set(x_85, 3, x_83);
-x_86 = lean_st_ref_set(x_4, x_85, x_69);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_88 = x_86;
-} else {
- lean_dec_ref(x_86);
- x_88 = lean_box(0);
-}
-x_89 = lean_box(x_14);
-if (lean_is_scalar(x_88)) {
- x_90 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_90 = x_88;
-}
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_87);
-return x_90;
+lean_dec(x_79);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_70);
+lean_ctor_set(x_83, 1, x_82);
+return x_83;
 }
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_91 = lean_ctor_get(x_16, 0);
-x_92 = lean_ctor_get(x_16, 1);
-x_93 = lean_ctor_get(x_16, 2);
-x_94 = lean_ctor_get(x_16, 3);
-x_95 = lean_ctor_get(x_16, 4);
-x_96 = lean_ctor_get(x_16, 5);
-x_97 = lean_ctor_get(x_16, 6);
-x_98 = lean_ctor_get(x_16, 7);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_16);
-x_99 = lean_ctor_get(x_20, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_20, 2);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_20, 3);
-lean_inc(x_101);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- x_102 = x_20;
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_84 = lean_ctor_get(x_75, 1);
+x_85 = lean_ctor_get(x_75, 2);
+x_86 = lean_ctor_get(x_75, 3);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_75);
+x_87 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_87, 0, x_71);
+lean_ctor_set(x_87, 1, x_84);
+lean_ctor_set(x_87, 2, x_85);
+lean_ctor_set(x_87, 3, x_86);
+x_88 = lean_st_ref_set(x_4, x_87, x_76);
+x_89 = lean_ctor_get(x_88, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_90 = x_88;
 } else {
- lean_dec_ref(x_20);
- x_102 = lean_box(0);
+ lean_dec_ref(x_88);
+ x_90 = lean_box(0);
 }
-x_103 = 1;
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_91);
-lean_ctor_set(x_104, 1, x_92);
-lean_ctor_set(x_104, 2, x_93);
-lean_ctor_set(x_104, 3, x_94);
-lean_ctor_set(x_104, 4, x_95);
-lean_ctor_set(x_104, 5, x_96);
-lean_ctor_set(x_104, 6, x_97);
-lean_ctor_set(x_104, 7, x_98);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-if (lean_is_scalar(x_102)) {
- x_105 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_105 = x_102;
-}
-lean_ctor_set(x_105, 0, x_104);
-lean_ctor_set(x_105, 1, x_99);
-lean_ctor_set(x_105, 2, x_100);
-lean_ctor_set(x_105, 3, x_101);
-x_106 = lean_st_ref_set(x_4, x_105, x_69);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
-}
-x_109 = lean_box(x_14);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-return x_110;
+ x_91 = x_90;
 }
+lean_ctor_set(x_91, 0, x_70);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
 }
 }
 }
@@ -3575,439 +3437,185 @@ goto block_23;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
 lean_inc(x_36);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- x_37 = x_34;
-} else {
- lean_dec_ref(x_34);
- x_37 = lean_box(0);
-}
-x_77 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_27, x_4, x_5, x_6, x_7, x_36);
-x_78 = lean_ctor_get(x_77, 1);
-lean_inc(x_78);
-lean_dec(x_77);
-x_79 = lean_st_ref_get(x_7, x_78);
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-lean_dec(x_79);
-x_81 = lean_st_ref_take(x_5, x_80);
-x_82 = lean_ctor_get(x_81, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get_uint8(x_33, sizeof(void*)*8);
-if (x_83 == 0)
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
-x_84 = lean_ctor_get(x_82, 0);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_81, 1);
-lean_inc(x_85);
-lean_dec(x_81);
-x_86 = lean_ctor_get(x_33, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_33, 1);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_33, 2);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_33, 3);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_33, 4);
-lean_inc(x_90);
-x_91 = lean_ctor_get(x_33, 5);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_33, 6);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_33, 7);
-lean_inc(x_93);
-lean_dec(x_33);
-x_94 = !lean_is_exclusive(x_82);
-if (x_94 == 0)
-{
-lean_object* x_95; uint8_t x_96; 
-x_95 = lean_ctor_get(x_82, 0);
-lean_dec(x_95);
-x_96 = !lean_is_exclusive(x_84);
-if (x_96 == 0)
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_97 = lean_ctor_get(x_84, 7);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_84, 6);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_84, 5);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_84, 4);
-lean_dec(x_100);
-x_101 = lean_ctor_get(x_84, 3);
-lean_dec(x_101);
-x_102 = lean_ctor_get(x_84, 2);
-lean_dec(x_102);
-x_103 = lean_ctor_get(x_84, 1);
-lean_dec(x_103);
-x_104 = lean_ctor_get(x_84, 0);
-lean_dec(x_104);
-lean_ctor_set(x_84, 7, x_93);
-lean_ctor_set(x_84, 6, x_92);
-lean_ctor_set(x_84, 5, x_91);
-lean_ctor_set(x_84, 4, x_90);
-lean_ctor_set(x_84, 3, x_89);
-lean_ctor_set(x_84, 2, x_88);
-lean_ctor_set(x_84, 1, x_87);
-lean_ctor_set(x_84, 0, x_86);
-x_105 = lean_st_ref_set(x_5, x_82, x_85);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_38 = x_106;
-goto block_76;
-}
-else
-{
-uint8_t x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get_uint8(x_84, sizeof(void*)*8);
-lean_dec(x_84);
-x_108 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_108, 0, x_86);
-lean_ctor_set(x_108, 1, x_87);
-lean_ctor_set(x_108, 2, x_88);
-lean_ctor_set(x_108, 3, x_89);
-lean_ctor_set(x_108, 4, x_90);
-lean_ctor_set(x_108, 5, x_91);
-lean_ctor_set(x_108, 6, x_92);
-lean_ctor_set(x_108, 7, x_93);
-lean_ctor_set_uint8(x_108, sizeof(void*)*8, x_107);
-lean_ctor_set(x_82, 0, x_108);
-x_109 = lean_st_ref_set(x_5, x_82, x_85);
-x_110 = lean_ctor_get(x_109, 1);
-lean_inc(x_110);
-lean_dec(x_109);
-x_38 = x_110;
-goto block_76;
-}
-}
-else
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_111 = lean_ctor_get(x_82, 1);
-x_112 = lean_ctor_get(x_82, 2);
-x_113 = lean_ctor_get(x_82, 3);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_inc(x_111);
-lean_dec(x_82);
-x_114 = lean_ctor_get_uint8(x_84, sizeof(void*)*8);
-if (lean_is_exclusive(x_84)) {
- lean_ctor_release(x_84, 0);
- lean_ctor_release(x_84, 1);
- lean_ctor_release(x_84, 2);
- lean_ctor_release(x_84, 3);
- lean_ctor_release(x_84, 4);
- lean_ctor_release(x_84, 5);
- lean_ctor_release(x_84, 6);
- lean_ctor_release(x_84, 7);
- x_115 = x_84;
-} else {
- lean_dec_ref(x_84);
- x_115 = lean_box(0);
-}
-if (lean_is_scalar(x_115)) {
- x_116 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_116 = x_115;
-}
-lean_ctor_set(x_116, 0, x_86);
-lean_ctor_set(x_116, 1, x_87);
-lean_ctor_set(x_116, 2, x_88);
-lean_ctor_set(x_116, 3, x_89);
-lean_ctor_set(x_116, 4, x_90);
-lean_ctor_set(x_116, 5, x_91);
-lean_ctor_set(x_116, 6, x_92);
-lean_ctor_set(x_116, 7, x_93);
-lean_ctor_set_uint8(x_116, sizeof(void*)*8, x_114);
-x_117 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_111);
-lean_ctor_set(x_117, 2, x_112);
-lean_ctor_set(x_117, 3, x_113);
-x_118 = lean_st_ref_set(x_5, x_117, x_85);
-x_119 = lean_ctor_get(x_118, 1);
-lean_inc(x_119);
-lean_dec(x_118);
-x_38 = x_119;
-goto block_76;
-}
-}
-else
-{
-lean_object* x_120; uint8_t x_121; 
-x_120 = lean_ctor_get(x_81, 1);
-lean_inc(x_120);
-lean_dec(x_81);
-x_121 = !lean_is_exclusive(x_33);
-if (x_121 == 0)
-{
-uint8_t x_122; 
-x_122 = !lean_is_exclusive(x_82);
-if (x_122 == 0)
-{
-lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_126; 
-x_123 = lean_ctor_get(x_82, 0);
-lean_dec(x_123);
-x_124 = 1;
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_124);
-lean_ctor_set(x_82, 0, x_33);
-x_125 = lean_st_ref_set(x_5, x_82, x_120);
-x_126 = lean_ctor_get(x_125, 1);
-lean_inc(x_126);
-lean_dec(x_125);
-x_38 = x_126;
-goto block_76;
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
-x_127 = lean_ctor_get(x_82, 1);
-x_128 = lean_ctor_get(x_82, 2);
-x_129 = lean_ctor_get(x_82, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_82);
-x_130 = 1;
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_33);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_5, x_131, x_120);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-lean_dec(x_132);
-x_38 = x_133;
-goto block_76;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_134 = lean_ctor_get(x_33, 0);
-x_135 = lean_ctor_get(x_33, 1);
-x_136 = lean_ctor_get(x_33, 2);
-x_137 = lean_ctor_get(x_33, 3);
-x_138 = lean_ctor_get(x_33, 4);
-x_139 = lean_ctor_get(x_33, 5);
-x_140 = lean_ctor_get(x_33, 6);
-x_141 = lean_ctor_get(x_33, 7);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_inc(x_139);
-lean_inc(x_138);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
-lean_dec(x_33);
-x_142 = lean_ctor_get(x_82, 1);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_82, 2);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_82, 3);
-lean_inc(x_144);
-if (lean_is_exclusive(x_82)) {
- lean_ctor_release(x_82, 0);
- lean_ctor_release(x_82, 1);
- lean_ctor_release(x_82, 2);
- lean_ctor_release(x_82, 3);
- x_145 = x_82;
-} else {
- lean_dec_ref(x_82);
- x_145 = lean_box(0);
-}
-x_146 = 1;
-x_147 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_147, 0, x_134);
-lean_ctor_set(x_147, 1, x_135);
-lean_ctor_set(x_147, 2, x_136);
-lean_ctor_set(x_147, 3, x_137);
-lean_ctor_set(x_147, 4, x_138);
-lean_ctor_set(x_147, 5, x_139);
-lean_ctor_set(x_147, 6, x_140);
-lean_ctor_set(x_147, 7, x_141);
-lean_ctor_set_uint8(x_147, sizeof(void*)*8, x_146);
-if (lean_is_scalar(x_145)) {
- x_148 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_148 = x_145;
-}
-lean_ctor_set(x_148, 0, x_147);
-lean_ctor_set(x_148, 1, x_142);
-lean_ctor_set(x_148, 2, x_143);
-lean_ctor_set(x_148, 3, x_144);
-x_149 = lean_st_ref_set(x_5, x_148, x_120);
-x_150 = lean_ctor_get(x_149, 1);
-lean_inc(x_150);
-lean_dec(x_149);
-x_38 = x_150;
-goto block_76;
-}
-}
-block_76:
+lean_dec(x_34);
+x_37 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_27, x_4, x_5, x_6, x_7, x_36);
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+lean_dec(x_37);
+x_39 = lean_st_ref_get(x_7, x_38);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+lean_dec(x_39);
+x_41 = lean_st_ref_take(x_5, x_40);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = !lean_is_exclusive(x_42);
+if (x_44 == 0)
 {
+lean_object* x_45; lean_object* x_46; 
+x_45 = lean_ctor_get(x_42, 0);
+lean_dec(x_45);
+lean_ctor_set(x_42, 0, x_33);
+x_46 = lean_st_ref_set(x_5, x_42, x_43);
 if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-lean_dec(x_37);
-x_39 = lean_ctor_get(x_35, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_35, 1);
-lean_inc(x_40);
-lean_dec(x_35);
-x_41 = lean_st_ref_get(x_7, x_38);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_set(x_3, x_12, x_42);
-x_44 = lean_ctor_get(x_43, 1);
-lean_inc(x_44);
-lean_dec(x_43);
-x_45 = lean_apply_6(x_2, x_3, x_4, x_5, x_6, x_7, x_44);
-if (lean_obj_tag(x_45) == 0)
-{
-lean_dec(x_40);
-lean_dec(x_39);
-x_14 = x_45;
-goto block_23;
-}
-else
-{
-lean_object* x_46; 
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-if (lean_obj_tag(x_46) == 0)
-{
-uint8_t x_47; 
-x_47 = !lean_is_exclusive(x_45);
-if (x_47 == 0)
-{
-lean_object* x_48; uint8_t x_49; 
-x_48 = lean_ctor_get(x_45, 0);
-lean_dec(x_48);
-x_49 = !lean_is_exclusive(x_46);
-if (x_49 == 0)
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_50 = lean_ctor_get(x_46, 1);
-x_51 = lean_ctor_get(x_46, 0);
-lean_dec(x_51);
-x_52 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
-x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_40);
-lean_ctor_set(x_53, 1, x_52);
-x_54 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_54, 0, x_53);
-lean_ctor_set(x_54, 1, x_52);
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_54);
-lean_ctor_set(x_55, 1, x_50);
-lean_ctor_set(x_46, 1, x_55);
-lean_ctor_set(x_46, 0, x_39);
-x_14 = x_45;
-goto block_23;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_56 = lean_ctor_get(x_46, 1);
-lean_inc(x_56);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
 lean_dec(x_46);
-x_57 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
-x_58 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_58, 0, x_40);
-lean_ctor_set(x_58, 1, x_57);
-x_59 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_57);
-x_60 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_56);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_39);
-lean_ctor_set(x_61, 1, x_60);
-lean_ctor_set(x_45, 0, x_61);
-x_14 = x_45;
+x_48 = lean_ctor_get(x_35, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_35, 1);
+lean_inc(x_49);
+lean_dec(x_35);
+x_50 = lean_st_ref_get(x_7, x_47);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_set(x_3, x_12, x_51);
+x_53 = lean_ctor_get(x_52, 1);
+lean_inc(x_53);
+lean_dec(x_52);
+x_54 = lean_apply_6(x_2, x_3, x_4, x_5, x_6, x_7, x_53);
+if (lean_obj_tag(x_54) == 0)
+{
+lean_dec(x_49);
+lean_dec(x_48);
+x_14 = x_54;
 goto block_23;
 }
-}
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_62 = lean_ctor_get(x_45, 1);
-lean_inc(x_62);
-lean_dec(x_45);
-x_63 = lean_ctor_get(x_46, 1);
-lean_inc(x_63);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- x_64 = x_46;
-} else {
- lean_dec_ref(x_46);
- x_64 = lean_box(0);
+lean_object* x_55; 
+x_55 = lean_ctor_get(x_54, 0);
+lean_inc(x_55);
+if (lean_obj_tag(x_55) == 0)
+{
+uint8_t x_56; 
+x_56 = !lean_is_exclusive(x_54);
+if (x_56 == 0)
+{
+lean_object* x_57; uint8_t x_58; 
+x_57 = lean_ctor_get(x_54, 0);
+lean_dec(x_57);
+x_58 = !lean_is_exclusive(x_55);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_59 = lean_ctor_get(x_55, 1);
+x_60 = lean_ctor_get(x_55, 0);
+lean_dec(x_60);
+x_61 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
+x_62 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_62, 0, x_49);
+lean_ctor_set(x_62, 1, x_61);
+x_63 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+x_64 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_59);
+lean_ctor_set(x_55, 1, x_64);
+lean_ctor_set(x_55, 0, x_48);
+x_14 = x_54;
+goto block_23;
 }
-x_65 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
-x_66 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_66, 0, x_40);
-lean_ctor_set(x_66, 1, x_65);
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_65 = lean_ctor_get(x_55, 1);
+lean_inc(x_65);
+lean_dec(x_55);
+x_66 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
 x_67 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_65);
+lean_ctor_set(x_67, 0, x_49);
+lean_ctor_set(x_67, 1, x_66);
 x_68 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_63);
-if (lean_is_scalar(x_64)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_68, 1, x_66);
+x_69 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_69, 0, x_68);
+lean_ctor_set(x_69, 1, x_65);
+x_70 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_70, 0, x_48);
+lean_ctor_set(x_70, 1, x_69);
+lean_ctor_set(x_54, 0, x_70);
+x_14 = x_54;
+goto block_23;
+}
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_71 = lean_ctor_get(x_54, 1);
+lean_inc(x_71);
+lean_dec(x_54);
+x_72 = lean_ctor_get(x_55, 1);
+lean_inc(x_72);
+if (lean_is_exclusive(x_55)) {
+ lean_ctor_release(x_55, 0);
+ lean_ctor_release(x_55, 1);
+ x_73 = x_55;
 } else {
- x_69 = x_64;
+ lean_dec_ref(x_55);
+ x_73 = lean_box(0);
 }
-lean_ctor_set(x_69, 0, x_39);
-lean_ctor_set(x_69, 1, x_68);
-x_70 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_62);
-x_14 = x_70;
+x_74 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
+x_75 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_75, 0, x_49);
+lean_ctor_set(x_75, 1, x_74);
+x_76 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_74);
+x_77 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_72);
+if (lean_is_scalar(x_73)) {
+ x_78 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_78 = x_73;
+}
+lean_ctor_set(x_78, 0, x_48);
+lean_ctor_set(x_78, 1, x_77);
+x_79 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_71);
+x_14 = x_79;
 goto block_23;
 }
 }
 else
 {
-uint8_t x_71; 
-lean_dec(x_40);
-lean_dec(x_39);
-x_71 = !lean_is_exclusive(x_45);
-if (x_71 == 0)
+uint8_t x_80; 
+lean_dec(x_49);
+lean_dec(x_48);
+x_80 = !lean_is_exclusive(x_54);
+if (x_80 == 0)
 {
-lean_object* x_72; 
-x_72 = lean_ctor_get(x_45, 0);
-lean_dec(x_72);
-x_14 = x_45;
+lean_object* x_81; 
+x_81 = lean_ctor_get(x_54, 0);
+lean_dec(x_81);
+x_14 = x_54;
 goto block_23;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; 
-x_73 = lean_ctor_get(x_45, 1);
-lean_inc(x_73);
-lean_dec(x_45);
-x_74 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_74, 0, x_46);
-lean_ctor_set(x_74, 1, x_73);
-x_14 = x_74;
+lean_object* x_82; lean_object* x_83; 
+x_82 = lean_ctor_get(x_54, 1);
+lean_inc(x_82);
+lean_dec(x_54);
+x_83 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_83, 0, x_55);
+lean_ctor_set(x_83, 1, x_82);
+x_14 = x_83;
 goto block_23;
 }
 }
@@ -4015,7 +3623,7 @@ goto block_23;
 }
 else
 {
-lean_object* x_75; 
+uint8_t x_84; 
 lean_dec(x_12);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -4023,14 +3631,185 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-if (lean_is_scalar(x_37)) {
- x_75 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_75 = x_37;
+x_84 = !lean_is_exclusive(x_46);
+if (x_84 == 0)
+{
+lean_object* x_85; 
+x_85 = lean_ctor_get(x_46, 0);
+lean_dec(x_85);
+lean_ctor_set_tag(x_46, 1);
+lean_ctor_set(x_46, 0, x_35);
+x_14 = x_46;
+goto block_23;
 }
-lean_ctor_set(x_75, 0, x_35);
-lean_ctor_set(x_75, 1, x_38);
-x_14 = x_75;
+else
+{
+lean_object* x_86; lean_object* x_87; 
+x_86 = lean_ctor_get(x_46, 1);
+lean_inc(x_86);
+lean_dec(x_46);
+x_87 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_87, 0, x_35);
+lean_ctor_set(x_87, 1, x_86);
+x_14 = x_87;
+goto block_23;
+}
+}
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_88 = lean_ctor_get(x_42, 1);
+x_89 = lean_ctor_get(x_42, 2);
+x_90 = lean_ctor_get(x_42, 3);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_42);
+x_91 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_91, 0, x_33);
+lean_ctor_set(x_91, 1, x_88);
+lean_ctor_set(x_91, 2, x_89);
+lean_ctor_set(x_91, 3, x_90);
+x_92 = lean_st_ref_set(x_5, x_91, x_43);
+if (lean_obj_tag(x_35) == 0)
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_93 = lean_ctor_get(x_92, 1);
+lean_inc(x_93);
+lean_dec(x_92);
+x_94 = lean_ctor_get(x_35, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_35, 1);
+lean_inc(x_95);
+lean_dec(x_35);
+x_96 = lean_st_ref_get(x_7, x_93);
+x_97 = lean_ctor_get(x_96, 1);
+lean_inc(x_97);
+lean_dec(x_96);
+x_98 = lean_st_ref_set(x_3, x_12, x_97);
+x_99 = lean_ctor_get(x_98, 1);
+lean_inc(x_99);
+lean_dec(x_98);
+x_100 = lean_apply_6(x_2, x_3, x_4, x_5, x_6, x_7, x_99);
+if (lean_obj_tag(x_100) == 0)
+{
+lean_dec(x_95);
+lean_dec(x_94);
+x_14 = x_100;
+goto block_23;
+}
+else
+{
+lean_object* x_101; 
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+if (lean_obj_tag(x_101) == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+if (lean_is_exclusive(x_100)) {
+ lean_ctor_release(x_100, 0);
+ lean_ctor_release(x_100, 1);
+ x_103 = x_100;
+} else {
+ lean_dec_ref(x_100);
+ x_103 = lean_box(0);
+}
+x_104 = lean_ctor_get(x_101, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_101)) {
+ lean_ctor_release(x_101, 0);
+ lean_ctor_release(x_101, 1);
+ x_105 = x_101;
+} else {
+ lean_dec_ref(x_101);
+ x_105 = lean_box(0);
+}
+x_106 = l___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_orelse_x27___rarg___closed__1;
+x_107 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_107, 0, x_95);
+lean_ctor_set(x_107, 1, x_106);
+x_108 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_106);
+x_109 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_109, 0, x_108);
+lean_ctor_set(x_109, 1, x_104);
+if (lean_is_scalar(x_105)) {
+ x_110 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_110 = x_105;
+}
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_109);
+if (lean_is_scalar(x_103)) {
+ x_111 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_111 = x_103;
+}
+lean_ctor_set(x_111, 0, x_110);
+lean_ctor_set(x_111, 1, x_102);
+x_14 = x_111;
+goto block_23;
+}
+else
+{
+lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+lean_dec(x_95);
+lean_dec(x_94);
+x_112 = lean_ctor_get(x_100, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_100)) {
+ lean_ctor_release(x_100, 0);
+ lean_ctor_release(x_100, 1);
+ x_113 = x_100;
+} else {
+ lean_dec_ref(x_100);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_101);
+lean_ctor_set(x_114, 1, x_112);
+x_14 = x_114;
+goto block_23;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+lean_dec(x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_115 = lean_ctor_get(x_92, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_116 = x_92;
+} else {
+ lean_dec_ref(x_92);
+ x_116 = lean_box(0);
+}
+if (lean_is_scalar(x_116)) {
+ x_117 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_117 = x_116;
+ lean_ctor_set_tag(x_117, 1);
+}
+lean_ctor_set(x_117, 0, x_35);
+lean_ctor_set(x_117, 1, x_115);
+x_14 = x_117;
 goto block_23;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
index a71a2091fc..55358956fc 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Structural/Main.c
@@ -1360,14 +1360,13 @@ x_1 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Le
 x_2 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2___closed__7;
 x_3 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2___closed__8;
 x_4 = l_Lean_setEnv___at___private_Lean_Elab_PreDefinition_Structural_Main_0__Lean_Elab_Structural_elimRecursion___spec__2___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
index 8a75686400..607cd9a1e0 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Eqns.c
@@ -5137,7 +5137,7 @@ x_14 = lean_unbox(x_13);
 lean_dec(x_13);
 if (x_14 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+lean_object* x_15; lean_object* x_16; 
 x_15 = lean_ctor_get(x_12, 1);
 lean_inc(x_15);
 lean_dec(x_12);
@@ -5147,6 +5147,9 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_1);
 x_16 = l_Lean_Elab_Eqns_tryContradiction(x_1, x_7, x_8, x_9, x_10, x_15);
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_17; uint8_t x_18; 
 x_17 = lean_ctor_get(x_16, 0);
 lean_inc(x_17);
 x_18 = lean_unbox(x_17);
@@ -5810,27 +5813,59 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_136 = !lean_is_exclusive(x_12);
+x_136 = !lean_is_exclusive(x_16);
 if (x_136 == 0)
 {
-lean_object* x_137; lean_object* x_138; 
-x_137 = lean_ctor_get(x_12, 0);
-lean_dec(x_137);
-x_138 = lean_box(0);
-lean_ctor_set(x_12, 0, x_138);
+return x_16;
+}
+else
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_137 = lean_ctor_get(x_16, 0);
+x_138 = lean_ctor_get(x_16, 1);
+lean_inc(x_138);
+lean_inc(x_137);
+lean_dec(x_16);
+x_139 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_139, 0, x_137);
+lean_ctor_set(x_139, 1, x_138);
+return x_139;
+}
+}
+}
+else
+{
+uint8_t x_140; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_140 = !lean_is_exclusive(x_12);
+if (x_140 == 0)
+{
+lean_object* x_141; lean_object* x_142; 
+x_141 = lean_ctor_get(x_12, 0);
+lean_dec(x_141);
+x_142 = lean_box(0);
+lean_ctor_set(x_12, 0, x_142);
 return x_12;
 }
 else
 {
-lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_139 = lean_ctor_get(x_12, 1);
-lean_inc(x_139);
+lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_143 = lean_ctor_get(x_12, 1);
+lean_inc(x_143);
 lean_dec(x_12);
-x_140 = lean_box(0);
-x_141 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_141, 0, x_140);
-lean_ctor_set(x_141, 1, x_139);
-return x_141;
+x_144 = lean_box(0);
+x_145 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_145, 0, x_144);
+lean_ctor_set(x_145, 1, x_143);
+return x_145;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
index 4945c82bf2..4ea57a1b66 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
@@ -515,7 +515,7 @@ lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_obj
 x_1 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__2;
 x_2 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__3;
 x_3 = lean_unsigned_to_nat(26u);
-x_4 = lean_unsigned_to_nat(44u);
+x_4 = lean_unsigned_to_nat(45u);
 x_5 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___closed__4;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
@@ -4341,48 +4341,45 @@ lean_dec(x_17);
 x_18 = !lean_is_exclusive(x_14);
 if (x_18 == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; uint8_t x_23; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
 x_19 = lean_ctor_get(x_14, 6);
 x_20 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_19, x_1, x_2);
-x_21 = 1;
 lean_ctor_set(x_14, 6, x_20);
-lean_ctor_set_uint8(x_14, sizeof(void*)*8, x_21);
-x_22 = lean_st_ref_set(x_6, x_13, x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_21 = lean_st_ref_set(x_6, x_13, x_15);
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-x_25 = lean_box(0);
-lean_ctor_set(x_22, 0, x_25);
-return x_22;
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+lean_dec(x_23);
+x_24 = lean_box(0);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_21, 1);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = lean_box(0);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_29 = lean_ctor_get(x_14, 0);
-x_30 = lean_ctor_get(x_14, 1);
-x_31 = lean_ctor_get(x_14, 2);
-x_32 = lean_ctor_get(x_14, 3);
-x_33 = lean_ctor_get(x_14, 4);
-x_34 = lean_ctor_get(x_14, 5);
-x_35 = lean_ctor_get(x_14, 6);
-x_36 = lean_ctor_get(x_14, 7);
-lean_inc(x_36);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_28 = lean_ctor_get(x_14, 0);
+x_29 = lean_ctor_get(x_14, 1);
+x_30 = lean_ctor_get(x_14, 2);
+x_31 = lean_ctor_get(x_14, 3);
+x_32 = lean_ctor_get(x_14, 4);
+x_33 = lean_ctor_get(x_14, 5);
+x_34 = lean_ctor_get(x_14, 6);
+x_35 = lean_ctor_get(x_14, 7);
 lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
@@ -4390,68 +4387,67 @@ lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
 lean_dec(x_14);
-x_37 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_35, x_1, x_2);
-x_38 = 1;
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_29);
-lean_ctor_set(x_39, 1, x_30);
-lean_ctor_set(x_39, 2, x_31);
-lean_ctor_set(x_39, 3, x_32);
-lean_ctor_set(x_39, 4, x_33);
-lean_ctor_set(x_39, 5, x_34);
-lean_ctor_set(x_39, 6, x_37);
-lean_ctor_set(x_39, 7, x_36);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_38);
-lean_ctor_set(x_13, 0, x_39);
-x_40 = lean_st_ref_set(x_6, x_13, x_15);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
+x_36 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_34, x_1, x_2);
+x_37 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_37, 0, x_28);
+lean_ctor_set(x_37, 1, x_29);
+lean_ctor_set(x_37, 2, x_30);
+lean_ctor_set(x_37, 3, x_31);
+lean_ctor_set(x_37, 4, x_32);
+lean_ctor_set(x_37, 5, x_33);
+lean_ctor_set(x_37, 6, x_36);
+lean_ctor_set(x_37, 7, x_35);
+lean_ctor_set(x_13, 0, x_37);
+x_38 = lean_st_ref_set(x_6, x_13, x_15);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = lean_box(0);
+if (lean_is_scalar(x_40)) {
+ x_42 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_42 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
 }
-x_43 = lean_box(0);
-if (lean_is_scalar(x_42)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_44 = x_42;
-}
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_39);
+return x_42;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_45 = lean_ctor_get(x_13, 1);
-x_46 = lean_ctor_get(x_13, 2);
-x_47 = lean_ctor_get(x_13, 3);
-lean_inc(x_47);
-lean_inc(x_46);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_43 = lean_ctor_get(x_13, 1);
+x_44 = lean_ctor_get(x_13, 2);
+x_45 = lean_ctor_get(x_13, 3);
 lean_inc(x_45);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_13);
-x_48 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_14, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_14, 2);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_14, 1);
+x_49 = lean_ctor_get(x_14, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_14, 2);
+x_50 = lean_ctor_get(x_14, 4);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_14, 3);
+x_51 = lean_ctor_get(x_14, 5);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_14, 4);
+x_52 = lean_ctor_get(x_14, 6);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_14, 5);
+x_53 = lean_ctor_get(x_14, 7);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_14, 6);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_14, 7);
-lean_inc(x_55);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -4461,52 +4457,50 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 5);
  lean_ctor_release(x_14, 6);
  lean_ctor_release(x_14, 7);
- x_56 = x_14;
+ x_54 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_56 = lean_box(0);
+ x_54 = lean_box(0);
 }
-x_57 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_54, x_1, x_2);
-x_58 = 1;
-if (lean_is_scalar(x_56)) {
- x_59 = lean_alloc_ctor(0, 8, 1);
+x_55 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_52, x_1, x_2);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_59 = x_56;
+ x_56 = x_54;
 }
-lean_ctor_set(x_59, 0, x_48);
-lean_ctor_set(x_59, 1, x_49);
-lean_ctor_set(x_59, 2, x_50);
-lean_ctor_set(x_59, 3, x_51);
-lean_ctor_set(x_59, 4, x_52);
-lean_ctor_set(x_59, 5, x_53);
-lean_ctor_set(x_59, 6, x_57);
-lean_ctor_set(x_59, 7, x_55);
-lean_ctor_set_uint8(x_59, sizeof(void*)*8, x_58);
-x_60 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_45);
-lean_ctor_set(x_60, 2, x_46);
-lean_ctor_set(x_60, 3, x_47);
-x_61 = lean_st_ref_set(x_6, x_60, x_15);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_63 = x_61;
+lean_ctor_set(x_56, 0, x_46);
+lean_ctor_set(x_56, 1, x_47);
+lean_ctor_set(x_56, 2, x_48);
+lean_ctor_set(x_56, 3, x_49);
+lean_ctor_set(x_56, 4, x_50);
+lean_ctor_set(x_56, 5, x_51);
+lean_ctor_set(x_56, 6, x_55);
+lean_ctor_set(x_56, 7, x_53);
+x_57 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_43);
+lean_ctor_set(x_57, 2, x_44);
+lean_ctor_set(x_57, 3, x_45);
+x_58 = lean_st_ref_set(x_6, x_57, x_15);
+x_59 = lean_ctor_get(x_58, 1);
+lean_inc(x_59);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_60 = x_58;
 } else {
- lean_dec_ref(x_61);
- x_63 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_60 = lean_box(0);
 }
-x_64 = lean_box(0);
-if (lean_is_scalar(x_63)) {
- x_65 = lean_alloc_ctor(0, 2, 0);
+x_61 = lean_box(0);
+if (lean_is_scalar(x_60)) {
+ x_62 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_65 = x_63;
+ x_62 = x_60;
 }
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_62);
-return x_65;
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_59);
+return x_62;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Quotation.c b/stage0/stdlib/Lean/Elab/Quotation.c
index 4b4bd7852e..04e2402898 100644
--- a/stage0/stdlib/Lean/Elab/Quotation.c
+++ b/stage0/stdlib/Lean/Elab/Quotation.c
@@ -990,7 +990,6 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_5000____closed__3;
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__26___closed__2;
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_deduplicate___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_5006____closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_resolveGlobalName___at_Lean_Elab_Term_resolveName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1208,6 +1207,7 @@ static lean_object* l_Lean_Elab_Term_Quotation_mkTuple___closed__20;
 static lean_object* l_Lean_Elab_Term_Quotation_getQuotKind___closed__22;
 static lean_object* l_Lean_Elab_Term_Quotation___aux__Lean__Elab__Quotation______macroRules__Lean__Elab__Term__Quotation__commandElab__stx__quot____1___closed__17;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_ArrayStxBuilder_build(lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_4994____closed__4;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__27___closed__38;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__27___closed__21;
@@ -5263,7 +5263,7 @@ x_11 = lean_ctor_get(x_7, 5);
 x_12 = l_Lean_replaceRef(x_1, x_11);
 lean_dec(x_11);
 lean_ctor_set(x_7, 5, x_12);
-x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_7);
 return x_13;
 }
@@ -5307,7 +5307,7 @@ lean_ctor_set(x_26, 7, x_21);
 lean_ctor_set(x_26, 8, x_22);
 lean_ctor_set(x_26, 9, x_23);
 lean_ctor_set(x_26, 10, x_24);
-x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
+x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
 lean_dec(x_26);
 return x_27;
 }
@@ -14042,7 +14042,7 @@ x_14 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_13);
 lean_ctor_set(x_15, 1, x_14);
-x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_16;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/StructInst.c b/stage0/stdlib/Lean/Elab/StructInst.c
index 3af7830e6c..47cefcb5b7 100644
--- a/stage0/stdlib/Lean/Elab/StructInst.c
+++ b/stage0/stdlib/Lean/Elab/StructInst.c
@@ -16,7 +16,6 @@ extern "C" {
 lean_object* l_List_reverse___rarg(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getStructName_throwUnexpectedExpectedType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getConstInfo___at_Lean_Elab_Term_mkConst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStructInstAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_findDefaultMissing_x3f___spec__2___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStructInstAux___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -72,7 +71,6 @@ lean_object* l_Lean_Meta_whnfForall(lean_object*, lean_object*, lean_object*, le
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__1___closed__11;
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_addMissingFields___closed__1;
 LEAN_EXPORT lean_object* l_List_findSomeM_x3f___at_Lean_Elab_Term_StructInst_DefaultFields_findDefaultMissing_x3f___spec__3___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstExpectedType___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___closed__2;
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_StructInst_Struct_allDefault(lean_object*);
@@ -123,6 +121,7 @@ static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_StructInst_expand
 lean_object* l_Std_Format_joinSep___at_Prod_repr___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandStruct(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStructInstAux___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_markDefaultMissing(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__1(lean_object*, lean_object*);
@@ -136,7 +135,6 @@ uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstExpectedType___closed__20;
 lean_object* l_Lean_Expr_mdata___override(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_mkCtorHeaderAux___closed__1;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__1___closed__2;
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__3___closed__10;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
@@ -147,7 +145,6 @@ static lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___cl
 lean_object* l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_instToStringFieldStruct___closed__1;
-LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Elab_Term_mkAuxName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStructInstAux___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_annotation_x3f(lean_object*, lean_object*);
@@ -192,7 +189,6 @@ LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_StructInst_0__Lean
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_StructInst_DefaultFields_mkDefaultValueAux_x3f___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_elabStructInst_declRange(lean_object*);
 lean_object* l_Lean_Elab_Term_synthesizeAppInstMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstExpectedType(lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getStructName___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -250,7 +246,7 @@ LEAN_EXPORT lean_object* l_Std_Format_joinSep___at_Lean_Elab_Term_StructInst_for
 LEAN_EXPORT lean_object* l_List_foldl___at_Lean_Elab_Term_StructInst_DefaultFields_getHierarchyDepth___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_mkCtorHeader(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isSimpleField_x3f(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStruct___closed__1;
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandNonAtomicExplicitSources_go___lambda__1___closed__10;
 static lean_object* l_Lean_Elab_Term_StructInst_formatStruct___closed__7;
@@ -642,7 +638,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_Stru
 static lean_object* l_List_mapTRAux___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandParentFields___spec__2___closed__2;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getFieldIdx___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandNonAtomicExplicitSources_go___lambda__1___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
@@ -675,7 +670,6 @@ static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructIns
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStruct___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabStructInstAux___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandNonAtomicExplicitSources_go___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_mkDefaultValue_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -695,6 +689,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_elabStructInst_decl
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__3___closed__11;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstExpectedType___closed__16;
+static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1;
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__3___closed__1;
 lean_object* l_Lean_Meta_getStructureName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstExpectedType___closed__11;
@@ -730,7 +725,6 @@ static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructIns
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapM___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__8___closed__1;
 LEAN_EXPORT lean_object* l_List_findSomeM_x3f___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandParentFields(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isModifyOp_x3f___spec__3___closed__3;
@@ -783,12 +777,14 @@ static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructIns
 LEAN_EXPORT lean_object* l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_findDefaultMissing_x3f___spec__1___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_Field_toSyntax(lean_object*);
+static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2;
 static lean_object* l_Lean_Elab_Term_StructInst_formatStruct___closed__4;
 lean_object* l_Lean_Elab_Term_isLocalIdent_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isModifyOp_x3f___spec__3___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isModifyOp_x3f___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_FieldVal_toSyntax(lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapM___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandParentFields___spec__3___closed__8;
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_mkSourcesWithSyntax___closed__3;
 static lean_object* l_panic___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getStructSource___spec__2___closed__1;
@@ -5952,7 +5948,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_17 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___closed__2;
-x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_18 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -6385,7 +6381,7 @@ x_44 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_45 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_45, 0, x_43);
 lean_ctor_set(x_45, 1, x_44);
-x_46 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_45, x_3, x_4, x_5, x_6, x_7, x_8, x_38);
+x_46 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_45, x_3, x_4, x_5, x_6, x_7, x_8, x_38);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6447,7 +6443,7 @@ x_58 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_59, x_3, x_4, x_5, x_6, x_7, x_8, x_52);
+x_60 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_59, x_3, x_4, x_5, x_6, x_7, x_8, x_52);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -22262,7 +22258,7 @@ x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 if (lean_obj_tag(x_42) == 0)
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
 x_43 = lean_ctor_get(x_41, 1);
 lean_inc(x_43);
 lean_dec(x_41);
@@ -22273,221 +22269,238 @@ lean_dec(x_44);
 x_46 = lean_st_ref_take(x_11, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
-x_48 = lean_ctor_get_uint8(x_40, sizeof(void*)*8);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
-x_49 = lean_ctor_get(x_47, 0);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_46, 1);
-lean_inc(x_50);
+x_48 = lean_ctor_get(x_46, 1);
+lean_inc(x_48);
 lean_dec(x_46);
-x_51 = lean_ctor_get(x_40, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_40, 1);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_40, 2);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_40, 3);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_40, 4);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_40, 5);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_40, 6);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_40, 7);
-lean_inc(x_58);
-lean_dec(x_40);
-x_59 = !lean_is_exclusive(x_47);
-if (x_59 == 0)
+x_49 = !lean_is_exclusive(x_47);
+if (x_49 == 0)
 {
-lean_object* x_60; uint8_t x_61; 
-x_60 = lean_ctor_get(x_47, 0);
-lean_dec(x_60);
-x_61 = !lean_is_exclusive(x_49);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_62 = lean_ctor_get(x_49, 7);
-lean_dec(x_62);
-x_63 = lean_ctor_get(x_49, 6);
-lean_dec(x_63);
-x_64 = lean_ctor_get(x_49, 5);
-lean_dec(x_64);
-x_65 = lean_ctor_get(x_49, 4);
-lean_dec(x_65);
-x_66 = lean_ctor_get(x_49, 3);
-lean_dec(x_66);
-x_67 = lean_ctor_get(x_49, 2);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_49, 1);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_49, 0);
-lean_dec(x_69);
-lean_ctor_set(x_49, 7, x_58);
-lean_ctor_set(x_49, 6, x_57);
-lean_ctor_set(x_49, 5, x_56);
-lean_ctor_set(x_49, 4, x_55);
-lean_ctor_set(x_49, 3, x_54);
-lean_ctor_set(x_49, 2, x_53);
-lean_ctor_set(x_49, 1, x_52);
-lean_ctor_set(x_49, 0, x_51);
-x_70 = lean_st_ref_set(x_11, x_47, x_50);
-x_71 = lean_ctor_get(x_70, 1);
-lean_inc(x_71);
-lean_dec(x_70);
-x_72 = lean_unsigned_to_nat(1u);
-x_73 = lean_nat_add(x_6, x_72);
-lean_dec(x_6);
-x_74 = lean_nat_add(x_7, x_72);
-lean_dec(x_7);
-x_6 = x_73;
-x_7 = x_74;
-x_14 = x_71;
-goto _start;
-}
-else
-{
-uint8_t x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_76 = lean_ctor_get_uint8(x_49, sizeof(void*)*8);
-lean_dec(x_49);
-x_77 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_77, 0, x_51);
-lean_ctor_set(x_77, 1, x_52);
-lean_ctor_set(x_77, 2, x_53);
-lean_ctor_set(x_77, 3, x_54);
-lean_ctor_set(x_77, 4, x_55);
-lean_ctor_set(x_77, 5, x_56);
-lean_ctor_set(x_77, 6, x_57);
-lean_ctor_set(x_77, 7, x_58);
-lean_ctor_set_uint8(x_77, sizeof(void*)*8, x_76);
-lean_ctor_set(x_47, 0, x_77);
-x_78 = lean_st_ref_set(x_11, x_47, x_50);
-x_79 = lean_ctor_get(x_78, 1);
-lean_inc(x_79);
-lean_dec(x_78);
-x_80 = lean_unsigned_to_nat(1u);
-x_81 = lean_nat_add(x_6, x_80);
-lean_dec(x_6);
-x_82 = lean_nat_add(x_7, x_80);
-lean_dec(x_7);
-x_6 = x_81;
-x_7 = x_82;
-x_14 = x_79;
-goto _start;
-}
-}
-else
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_84 = lean_ctor_get(x_47, 1);
-x_85 = lean_ctor_get(x_47, 2);
-x_86 = lean_ctor_get(x_47, 3);
-lean_inc(x_86);
-lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_47);
-x_87 = lean_ctor_get_uint8(x_49, sizeof(void*)*8);
-if (lean_is_exclusive(x_49)) {
- lean_ctor_release(x_49, 0);
- lean_ctor_release(x_49, 1);
- lean_ctor_release(x_49, 2);
- lean_ctor_release(x_49, 3);
- lean_ctor_release(x_49, 4);
- lean_ctor_release(x_49, 5);
- lean_ctor_release(x_49, 6);
- lean_ctor_release(x_49, 7);
- x_88 = x_49;
-} else {
- lean_dec_ref(x_49);
- x_88 = lean_box(0);
-}
-if (lean_is_scalar(x_88)) {
- x_89 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_89 = x_88;
-}
-lean_ctor_set(x_89, 0, x_51);
-lean_ctor_set(x_89, 1, x_52);
-lean_ctor_set(x_89, 2, x_53);
-lean_ctor_set(x_89, 3, x_54);
-lean_ctor_set(x_89, 4, x_55);
-lean_ctor_set(x_89, 5, x_56);
-lean_ctor_set(x_89, 6, x_57);
-lean_ctor_set(x_89, 7, x_58);
-lean_ctor_set_uint8(x_89, sizeof(void*)*8, x_87);
-x_90 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_84);
-lean_ctor_set(x_90, 2, x_85);
-lean_ctor_set(x_90, 3, x_86);
-x_91 = lean_st_ref_set(x_11, x_90, x_50);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-lean_dec(x_91);
-x_93 = lean_unsigned_to_nat(1u);
-x_94 = lean_nat_add(x_6, x_93);
-lean_dec(x_6);
-x_95 = lean_nat_add(x_7, x_93);
-lean_dec(x_7);
-x_6 = x_94;
-x_7 = x_95;
-x_14 = x_92;
-goto _start;
-}
-}
-else
-{
-lean_object* x_97; uint8_t x_98; 
-x_97 = lean_ctor_get(x_46, 1);
-lean_inc(x_97);
-lean_dec(x_46);
-x_98 = !lean_is_exclusive(x_40);
-if (x_98 == 0)
-{
-uint8_t x_99; 
-x_99 = !lean_is_exclusive(x_47);
-if (x_99 == 0)
-{
-lean_object* x_100; uint8_t x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_100 = lean_ctor_get(x_47, 0);
-lean_dec(x_100);
-x_101 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_101);
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_50 = lean_ctor_get(x_47, 0);
+lean_dec(x_50);
 lean_ctor_set(x_47, 0, x_40);
-x_102 = lean_st_ref_set(x_11, x_47, x_97);
-x_103 = lean_ctor_get(x_102, 1);
-lean_inc(x_103);
-lean_dec(x_102);
-x_104 = lean_unsigned_to_nat(1u);
-x_105 = lean_nat_add(x_6, x_104);
+x_51 = lean_st_ref_set(x_11, x_47, x_48);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+lean_dec(x_51);
+x_53 = lean_unsigned_to_nat(1u);
+x_54 = lean_nat_add(x_6, x_53);
 lean_dec(x_6);
-x_106 = lean_nat_add(x_7, x_104);
+x_55 = lean_nat_add(x_7, x_53);
 lean_dec(x_7);
-x_6 = x_105;
-x_7 = x_106;
-x_14 = x_103;
+x_6 = x_54;
+x_7 = x_55;
+x_14 = x_52;
 goto _start;
 }
 else
 {
-lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-x_108 = lean_ctor_get(x_47, 1);
-x_109 = lean_ctor_get(x_47, 2);
-x_110 = lean_ctor_get(x_47, 3);
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_57 = lean_ctor_get(x_47, 1);
+x_58 = lean_ctor_get(x_47, 2);
+x_59 = lean_ctor_get(x_47, 3);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_47);
+x_60 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_60, 0, x_40);
+lean_ctor_set(x_60, 1, x_57);
+lean_ctor_set(x_60, 2, x_58);
+lean_ctor_set(x_60, 3, x_59);
+x_61 = lean_st_ref_set(x_11, x_60, x_48);
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+lean_dec(x_61);
+x_63 = lean_unsigned_to_nat(1u);
+x_64 = lean_nat_add(x_6, x_63);
+lean_dec(x_6);
+x_65 = lean_nat_add(x_7, x_63);
+lean_dec(x_7);
+x_6 = x_64;
+x_7 = x_65;
+x_14 = x_62;
+goto _start;
+}
+}
+else
+{
+lean_object* x_67; uint8_t x_68; 
+x_67 = lean_ctor_get(x_41, 1);
+lean_inc(x_67);
+lean_dec(x_41);
+x_68 = !lean_is_exclusive(x_42);
+if (x_68 == 0)
+{
+lean_object* x_69; lean_object* x_70; 
+x_69 = lean_ctor_get(x_42, 0);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_2);
+x_70 = l_Lean_Elab_Term_StructInst_DefaultFields_reduce(x_2, x_69, x_10, x_11, x_12, x_13, x_67);
+if (lean_obj_tag(x_70) == 0)
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_70, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_70, 1);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = l_Lean_Elab_Term_StructInst_DefaultFields_tryToSynthesizeDefault_loop___closed__1;
+lean_inc(x_71);
+x_74 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_73, x_71);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
+lean_dec(x_40);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_inc(x_5);
+x_75 = l_Lean_Elab_Term_getMVarDecl(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_72);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 2);
+lean_inc(x_78);
+lean_dec(x_76);
+lean_ctor_set(x_42, 0, x_78);
+x_79 = lean_box(0);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_80 = l_Lean_Elab_Term_ensureHasType(x_42, x_71, x_79, x_8, x_9, x_10, x_11, x_12, x_13, x_77);
+if (lean_obj_tag(x_80) == 0)
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_81 = lean_ctor_get(x_80, 0);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_80, 1);
+lean_inc(x_82);
+lean_dec(x_80);
+x_83 = l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(x_5, x_81, x_8, x_9, x_10, x_11, x_12, x_13, x_82);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_84 = !lean_is_exclusive(x_83);
+if (x_84 == 0)
+{
+lean_object* x_85; uint8_t x_86; lean_object* x_87; 
+x_85 = lean_ctor_get(x_83, 0);
+lean_dec(x_85);
+x_86 = 1;
+x_87 = lean_box(x_86);
+lean_ctor_set(x_83, 0, x_87);
+return x_83;
+}
+else
+{
+lean_object* x_88; uint8_t x_89; lean_object* x_90; lean_object* x_91; 
+x_88 = lean_ctor_get(x_83, 1);
+lean_inc(x_88);
+lean_dec(x_83);
+x_89 = 1;
+x_90 = lean_box(x_89);
+x_91 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_91, 0, x_90);
+lean_ctor_set(x_91, 1, x_88);
+return x_91;
+}
+}
+else
+{
+uint8_t x_92; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_5);
+x_92 = !lean_is_exclusive(x_80);
+if (x_92 == 0)
+{
+return x_80;
+}
+else
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_93 = lean_ctor_get(x_80, 0);
+x_94 = lean_ctor_get(x_80, 1);
+lean_inc(x_94);
+lean_inc(x_93);
+lean_dec(x_80);
+x_95 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_95, 0, x_93);
+lean_ctor_set(x_95, 1, x_94);
+return x_95;
+}
+}
+}
+else
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
+lean_dec(x_74);
+lean_dec(x_71);
+lean_free_object(x_42);
+x_96 = lean_st_ref_get(x_13, x_72);
+x_97 = lean_ctor_get(x_96, 1);
+lean_inc(x_97);
+lean_dec(x_96);
+x_98 = lean_st_ref_take(x_11, x_97);
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+x_101 = !lean_is_exclusive(x_99);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_102 = lean_ctor_get(x_99, 0);
+lean_dec(x_102);
+lean_ctor_set(x_99, 0, x_40);
+x_103 = lean_st_ref_set(x_11, x_99, x_100);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+lean_dec(x_103);
+x_105 = lean_unsigned_to_nat(1u);
+x_106 = lean_nat_add(x_6, x_105);
+lean_dec(x_6);
+x_107 = lean_nat_add(x_7, x_105);
+lean_dec(x_7);
+x_6 = x_106;
+x_7 = x_107;
+x_14 = x_104;
+goto _start;
+}
+else
+{
+lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_109 = lean_ctor_get(x_99, 1);
+x_110 = lean_ctor_get(x_99, 2);
+x_111 = lean_ctor_get(x_99, 3);
+lean_inc(x_111);
 lean_inc(x_110);
 lean_inc(x_109);
-lean_inc(x_108);
-lean_dec(x_47);
-x_111 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_111);
+lean_dec(x_99);
 x_112 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_112, 0, x_40);
-lean_ctor_set(x_112, 1, x_108);
-lean_ctor_set(x_112, 2, x_109);
-lean_ctor_set(x_112, 3, x_110);
-x_113 = lean_st_ref_set(x_11, x_112, x_97);
+lean_ctor_set(x_112, 1, x_109);
+lean_ctor_set(x_112, 2, x_110);
+lean_ctor_set(x_112, 3, x_111);
+x_113 = lean_st_ref_set(x_11, x_112, x_100);
 x_114 = lean_ctor_get(x_113, 1);
 lean_inc(x_114);
 lean_dec(x_113);
@@ -22502,644 +22515,133 @@ x_14 = x_114;
 goto _start;
 }
 }
+}
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_119 = lean_ctor_get(x_40, 0);
-x_120 = lean_ctor_get(x_40, 1);
-x_121 = lean_ctor_get(x_40, 2);
-x_122 = lean_ctor_get(x_40, 3);
-x_123 = lean_ctor_get(x_40, 4);
-x_124 = lean_ctor_get(x_40, 5);
-x_125 = lean_ctor_get(x_40, 6);
-x_126 = lean_ctor_get(x_40, 7);
-lean_inc(x_126);
-lean_inc(x_125);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_inc(x_122);
+uint8_t x_119; 
+lean_free_object(x_42);
+lean_dec(x_40);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_119 = !lean_is_exclusive(x_70);
+if (x_119 == 0)
+{
+return x_70;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_120 = lean_ctor_get(x_70, 0);
+x_121 = lean_ctor_get(x_70, 1);
 lean_inc(x_121);
 lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_40);
-x_127 = lean_ctor_get(x_47, 1);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_47, 2);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_47, 3);
-lean_inc(x_129);
-if (lean_is_exclusive(x_47)) {
- lean_ctor_release(x_47, 0);
- lean_ctor_release(x_47, 1);
- lean_ctor_release(x_47, 2);
- lean_ctor_release(x_47, 3);
- x_130 = x_47;
-} else {
- lean_dec_ref(x_47);
- x_130 = lean_box(0);
-}
-x_131 = 1;
-x_132 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_132, 0, x_119);
-lean_ctor_set(x_132, 1, x_120);
-lean_ctor_set(x_132, 2, x_121);
-lean_ctor_set(x_132, 3, x_122);
-lean_ctor_set(x_132, 4, x_123);
-lean_ctor_set(x_132, 5, x_124);
-lean_ctor_set(x_132, 6, x_125);
-lean_ctor_set(x_132, 7, x_126);
-lean_ctor_set_uint8(x_132, sizeof(void*)*8, x_131);
-if (lean_is_scalar(x_130)) {
- x_133 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_133 = x_130;
-}
-lean_ctor_set(x_133, 0, x_132);
-lean_ctor_set(x_133, 1, x_127);
-lean_ctor_set(x_133, 2, x_128);
-lean_ctor_set(x_133, 3, x_129);
-x_134 = lean_st_ref_set(x_11, x_133, x_97);
-x_135 = lean_ctor_get(x_134, 1);
-lean_inc(x_135);
-lean_dec(x_134);
-x_136 = lean_unsigned_to_nat(1u);
-x_137 = lean_nat_add(x_6, x_136);
-lean_dec(x_6);
-x_138 = lean_nat_add(x_7, x_136);
-lean_dec(x_7);
-x_6 = x_137;
-x_7 = x_138;
-x_14 = x_135;
-goto _start;
+lean_dec(x_70);
+x_122 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_122, 0, x_120);
+lean_ctor_set(x_122, 1, x_121);
+return x_122;
 }
 }
 }
 else
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_ctor_get(x_41, 1);
-lean_inc(x_140);
-lean_dec(x_41);
-x_141 = !lean_is_exclusive(x_42);
-if (x_141 == 0)
-{
-lean_object* x_142; lean_object* x_143; 
-x_142 = lean_ctor_get(x_42, 0);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_2);
-x_143 = l_Lean_Elab_Term_StructInst_DefaultFields_reduce(x_2, x_142, x_10, x_11, x_12, x_13, x_140);
-if (lean_obj_tag(x_143) == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_144 = lean_ctor_get(x_143, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_143, 1);
-lean_inc(x_145);
-lean_dec(x_143);
-x_146 = l_Lean_Elab_Term_StructInst_DefaultFields_tryToSynthesizeDefault_loop___closed__1;
-lean_inc(x_144);
-x_147 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_146, x_144);
-if (lean_obj_tag(x_147) == 0)
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-lean_dec(x_40);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_inc(x_5);
-x_148 = l_Lean_Elab_Term_getMVarDecl(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_145);
-x_149 = lean_ctor_get(x_148, 0);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_148, 1);
-lean_inc(x_150);
-lean_dec(x_148);
-x_151 = lean_ctor_get(x_149, 2);
-lean_inc(x_151);
-lean_dec(x_149);
-lean_ctor_set(x_42, 0, x_151);
-x_152 = lean_box(0);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_153 = l_Lean_Elab_Term_ensureHasType(x_42, x_144, x_152, x_8, x_9, x_10, x_11, x_12, x_13, x_150);
-if (lean_obj_tag(x_153) == 0)
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-x_154 = lean_ctor_get(x_153, 0);
-lean_inc(x_154);
-x_155 = lean_ctor_get(x_153, 1);
-lean_inc(x_155);
-lean_dec(x_153);
-x_156 = l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(x_5, x_154, x_8, x_9, x_10, x_11, x_12, x_13, x_155);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-x_157 = !lean_is_exclusive(x_156);
-if (x_157 == 0)
-{
-lean_object* x_158; uint8_t x_159; lean_object* x_160; 
-x_158 = lean_ctor_get(x_156, 0);
-lean_dec(x_158);
-x_159 = 1;
-x_160 = lean_box(x_159);
-lean_ctor_set(x_156, 0, x_160);
-return x_156;
-}
-else
-{
-lean_object* x_161; uint8_t x_162; lean_object* x_163; lean_object* x_164; 
-x_161 = lean_ctor_get(x_156, 1);
-lean_inc(x_161);
-lean_dec(x_156);
-x_162 = 1;
-x_163 = lean_box(x_162);
-x_164 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_164, 0, x_163);
-lean_ctor_set(x_164, 1, x_161);
-return x_164;
-}
-}
-else
-{
-uint8_t x_165; 
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-x_165 = !lean_is_exclusive(x_153);
-if (x_165 == 0)
-{
-return x_153;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-x_166 = lean_ctor_get(x_153, 0);
-x_167 = lean_ctor_get(x_153, 1);
-lean_inc(x_167);
-lean_inc(x_166);
-lean_dec(x_153);
-x_168 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_168, 0, x_166);
-lean_ctor_set(x_168, 1, x_167);
-return x_168;
-}
-}
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-lean_dec(x_147);
-lean_dec(x_144);
-lean_free_object(x_42);
-x_169 = lean_st_ref_get(x_13, x_145);
-x_170 = lean_ctor_get(x_169, 1);
-lean_inc(x_170);
-lean_dec(x_169);
-x_171 = lean_st_ref_take(x_11, x_170);
-x_172 = lean_ctor_get(x_171, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get_uint8(x_40, sizeof(void*)*8);
-if (x_173 == 0)
-{
-lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; 
-x_174 = lean_ctor_get(x_172, 0);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_171, 1);
-lean_inc(x_175);
-lean_dec(x_171);
-x_176 = lean_ctor_get(x_40, 0);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_40, 1);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_40, 2);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_40, 3);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_40, 4);
-lean_inc(x_180);
-x_181 = lean_ctor_get(x_40, 5);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_40, 6);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_40, 7);
-lean_inc(x_183);
-lean_dec(x_40);
-x_184 = !lean_is_exclusive(x_172);
-if (x_184 == 0)
-{
-lean_object* x_185; uint8_t x_186; 
-x_185 = lean_ctor_get(x_172, 0);
-lean_dec(x_185);
-x_186 = !lean_is_exclusive(x_174);
-if (x_186 == 0)
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_187 = lean_ctor_get(x_174, 7);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_174, 6);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_174, 5);
-lean_dec(x_189);
-x_190 = lean_ctor_get(x_174, 4);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_174, 3);
-lean_dec(x_191);
-x_192 = lean_ctor_get(x_174, 2);
-lean_dec(x_192);
-x_193 = lean_ctor_get(x_174, 1);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_174, 0);
-lean_dec(x_194);
-lean_ctor_set(x_174, 7, x_183);
-lean_ctor_set(x_174, 6, x_182);
-lean_ctor_set(x_174, 5, x_181);
-lean_ctor_set(x_174, 4, x_180);
-lean_ctor_set(x_174, 3, x_179);
-lean_ctor_set(x_174, 2, x_178);
-lean_ctor_set(x_174, 1, x_177);
-lean_ctor_set(x_174, 0, x_176);
-x_195 = lean_st_ref_set(x_11, x_172, x_175);
-x_196 = lean_ctor_get(x_195, 1);
-lean_inc(x_196);
-lean_dec(x_195);
-x_197 = lean_unsigned_to_nat(1u);
-x_198 = lean_nat_add(x_6, x_197);
-lean_dec(x_6);
-x_199 = lean_nat_add(x_7, x_197);
-lean_dec(x_7);
-x_6 = x_198;
-x_7 = x_199;
-x_14 = x_196;
-goto _start;
-}
-else
-{
-uint8_t x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_201 = lean_ctor_get_uint8(x_174, sizeof(void*)*8);
-lean_dec(x_174);
-x_202 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_202, 0, x_176);
-lean_ctor_set(x_202, 1, x_177);
-lean_ctor_set(x_202, 2, x_178);
-lean_ctor_set(x_202, 3, x_179);
-lean_ctor_set(x_202, 4, x_180);
-lean_ctor_set(x_202, 5, x_181);
-lean_ctor_set(x_202, 6, x_182);
-lean_ctor_set(x_202, 7, x_183);
-lean_ctor_set_uint8(x_202, sizeof(void*)*8, x_201);
-lean_ctor_set(x_172, 0, x_202);
-x_203 = lean_st_ref_set(x_11, x_172, x_175);
-x_204 = lean_ctor_get(x_203, 1);
-lean_inc(x_204);
-lean_dec(x_203);
-x_205 = lean_unsigned_to_nat(1u);
-x_206 = lean_nat_add(x_6, x_205);
-lean_dec(x_6);
-x_207 = lean_nat_add(x_7, x_205);
-lean_dec(x_7);
-x_6 = x_206;
-x_7 = x_207;
-x_14 = x_204;
-goto _start;
-}
-}
-else
-{
-lean_object* x_209; lean_object* x_210; lean_object* x_211; uint8_t x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_209 = lean_ctor_get(x_172, 1);
-x_210 = lean_ctor_get(x_172, 2);
-x_211 = lean_ctor_get(x_172, 3);
-lean_inc(x_211);
-lean_inc(x_210);
-lean_inc(x_209);
-lean_dec(x_172);
-x_212 = lean_ctor_get_uint8(x_174, sizeof(void*)*8);
-if (lean_is_exclusive(x_174)) {
- lean_ctor_release(x_174, 0);
- lean_ctor_release(x_174, 1);
- lean_ctor_release(x_174, 2);
- lean_ctor_release(x_174, 3);
- lean_ctor_release(x_174, 4);
- lean_ctor_release(x_174, 5);
- lean_ctor_release(x_174, 6);
- lean_ctor_release(x_174, 7);
- x_213 = x_174;
-} else {
- lean_dec_ref(x_174);
- x_213 = lean_box(0);
-}
-if (lean_is_scalar(x_213)) {
- x_214 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_214 = x_213;
-}
-lean_ctor_set(x_214, 0, x_176);
-lean_ctor_set(x_214, 1, x_177);
-lean_ctor_set(x_214, 2, x_178);
-lean_ctor_set(x_214, 3, x_179);
-lean_ctor_set(x_214, 4, x_180);
-lean_ctor_set(x_214, 5, x_181);
-lean_ctor_set(x_214, 6, x_182);
-lean_ctor_set(x_214, 7, x_183);
-lean_ctor_set_uint8(x_214, sizeof(void*)*8, x_212);
-x_215 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_215, 0, x_214);
-lean_ctor_set(x_215, 1, x_209);
-lean_ctor_set(x_215, 2, x_210);
-lean_ctor_set(x_215, 3, x_211);
-x_216 = lean_st_ref_set(x_11, x_215, x_175);
-x_217 = lean_ctor_get(x_216, 1);
-lean_inc(x_217);
-lean_dec(x_216);
-x_218 = lean_unsigned_to_nat(1u);
-x_219 = lean_nat_add(x_6, x_218);
-lean_dec(x_6);
-x_220 = lean_nat_add(x_7, x_218);
-lean_dec(x_7);
-x_6 = x_219;
-x_7 = x_220;
-x_14 = x_217;
-goto _start;
-}
-}
-else
-{
-lean_object* x_222; uint8_t x_223; 
-x_222 = lean_ctor_get(x_171, 1);
-lean_inc(x_222);
-lean_dec(x_171);
-x_223 = !lean_is_exclusive(x_40);
-if (x_223 == 0)
-{
-uint8_t x_224; 
-x_224 = !lean_is_exclusive(x_172);
-if (x_224 == 0)
-{
-lean_object* x_225; uint8_t x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
-x_225 = lean_ctor_get(x_172, 0);
-lean_dec(x_225);
-x_226 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_226);
-lean_ctor_set(x_172, 0, x_40);
-x_227 = lean_st_ref_set(x_11, x_172, x_222);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-lean_dec(x_227);
-x_229 = lean_unsigned_to_nat(1u);
-x_230 = lean_nat_add(x_6, x_229);
-lean_dec(x_6);
-x_231 = lean_nat_add(x_7, x_229);
-lean_dec(x_7);
-x_6 = x_230;
-x_7 = x_231;
-x_14 = x_228;
-goto _start;
-}
-else
-{
-lean_object* x_233; lean_object* x_234; lean_object* x_235; uint8_t x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_233 = lean_ctor_get(x_172, 1);
-x_234 = lean_ctor_get(x_172, 2);
-x_235 = lean_ctor_get(x_172, 3);
-lean_inc(x_235);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_dec(x_172);
-x_236 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_236);
-x_237 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_237, 0, x_40);
-lean_ctor_set(x_237, 1, x_233);
-lean_ctor_set(x_237, 2, x_234);
-lean_ctor_set(x_237, 3, x_235);
-x_238 = lean_st_ref_set(x_11, x_237, x_222);
-x_239 = lean_ctor_get(x_238, 1);
-lean_inc(x_239);
-lean_dec(x_238);
-x_240 = lean_unsigned_to_nat(1u);
-x_241 = lean_nat_add(x_6, x_240);
-lean_dec(x_6);
-x_242 = lean_nat_add(x_7, x_240);
-lean_dec(x_7);
-x_6 = x_241;
-x_7 = x_242;
-x_14 = x_239;
-goto _start;
-}
-}
-else
-{
-lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; uint8_t x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; 
-x_244 = lean_ctor_get(x_40, 0);
-x_245 = lean_ctor_get(x_40, 1);
-x_246 = lean_ctor_get(x_40, 2);
-x_247 = lean_ctor_get(x_40, 3);
-x_248 = lean_ctor_get(x_40, 4);
-x_249 = lean_ctor_get(x_40, 5);
-x_250 = lean_ctor_get(x_40, 6);
-x_251 = lean_ctor_get(x_40, 7);
-lean_inc(x_251);
-lean_inc(x_250);
-lean_inc(x_249);
-lean_inc(x_248);
-lean_inc(x_247);
-lean_inc(x_246);
-lean_inc(x_245);
-lean_inc(x_244);
-lean_dec(x_40);
-x_252 = lean_ctor_get(x_172, 1);
-lean_inc(x_252);
-x_253 = lean_ctor_get(x_172, 2);
-lean_inc(x_253);
-x_254 = lean_ctor_get(x_172, 3);
-lean_inc(x_254);
-if (lean_is_exclusive(x_172)) {
- lean_ctor_release(x_172, 0);
- lean_ctor_release(x_172, 1);
- lean_ctor_release(x_172, 2);
- lean_ctor_release(x_172, 3);
- x_255 = x_172;
-} else {
- lean_dec_ref(x_172);
- x_255 = lean_box(0);
-}
-x_256 = 1;
-x_257 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_257, 0, x_244);
-lean_ctor_set(x_257, 1, x_245);
-lean_ctor_set(x_257, 2, x_246);
-lean_ctor_set(x_257, 3, x_247);
-lean_ctor_set(x_257, 4, x_248);
-lean_ctor_set(x_257, 5, x_249);
-lean_ctor_set(x_257, 6, x_250);
-lean_ctor_set(x_257, 7, x_251);
-lean_ctor_set_uint8(x_257, sizeof(void*)*8, x_256);
-if (lean_is_scalar(x_255)) {
- x_258 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_258 = x_255;
-}
-lean_ctor_set(x_258, 0, x_257);
-lean_ctor_set(x_258, 1, x_252);
-lean_ctor_set(x_258, 2, x_253);
-lean_ctor_set(x_258, 3, x_254);
-x_259 = lean_st_ref_set(x_11, x_258, x_222);
-x_260 = lean_ctor_get(x_259, 1);
-lean_inc(x_260);
-lean_dec(x_259);
-x_261 = lean_unsigned_to_nat(1u);
-x_262 = lean_nat_add(x_6, x_261);
-lean_dec(x_6);
-x_263 = lean_nat_add(x_7, x_261);
-lean_dec(x_7);
-x_6 = x_262;
-x_7 = x_263;
-x_14 = x_260;
-goto _start;
-}
-}
-}
-}
-else
-{
-uint8_t x_265; 
-lean_free_object(x_42);
-lean_dec(x_40);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_265 = !lean_is_exclusive(x_143);
-if (x_265 == 0)
-{
-return x_143;
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; 
-x_266 = lean_ctor_get(x_143, 0);
-x_267 = lean_ctor_get(x_143, 1);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_143);
-x_268 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_268, 0, x_266);
-lean_ctor_set(x_268, 1, x_267);
-return x_268;
-}
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; 
-x_269 = lean_ctor_get(x_42, 0);
-lean_inc(x_269);
+lean_object* x_123; lean_object* x_124; 
+x_123 = lean_ctor_get(x_42, 0);
+lean_inc(x_123);
 lean_dec(x_42);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_2);
-x_270 = l_Lean_Elab_Term_StructInst_DefaultFields_reduce(x_2, x_269, x_10, x_11, x_12, x_13, x_140);
-if (lean_obj_tag(x_270) == 0)
+x_124 = l_Lean_Elab_Term_StructInst_DefaultFields_reduce(x_2, x_123, x_10, x_11, x_12, x_13, x_67);
+if (lean_obj_tag(x_124) == 0)
 {
-lean_object* x_271; lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-x_271 = lean_ctor_get(x_270, 0);
-lean_inc(x_271);
-x_272 = lean_ctor_get(x_270, 1);
-lean_inc(x_272);
-lean_dec(x_270);
-x_273 = l_Lean_Elab_Term_StructInst_DefaultFields_tryToSynthesizeDefault_loop___closed__1;
-lean_inc(x_271);
-x_274 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_273, x_271);
-if (lean_obj_tag(x_274) == 0)
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+x_125 = lean_ctor_get(x_124, 0);
+lean_inc(x_125);
+x_126 = lean_ctor_get(x_124, 1);
+lean_inc(x_126);
+lean_dec(x_124);
+x_127 = l_Lean_Elab_Term_StructInst_DefaultFields_tryToSynthesizeDefault_loop___closed__1;
+lean_inc(x_125);
+x_128 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_127, x_125);
+if (lean_obj_tag(x_128) == 0)
 {
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; 
+lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
 lean_dec(x_40);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_inc(x_5);
-x_275 = l_Lean_Elab_Term_getMVarDecl(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_272);
-x_276 = lean_ctor_get(x_275, 0);
-lean_inc(x_276);
-x_277 = lean_ctor_get(x_275, 1);
-lean_inc(x_277);
-lean_dec(x_275);
-x_278 = lean_ctor_get(x_276, 2);
-lean_inc(x_278);
-lean_dec(x_276);
-x_279 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_279, 0, x_278);
-x_280 = lean_box(0);
+x_129 = l_Lean_Elab_Term_getMVarDecl(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_126);
+x_130 = lean_ctor_get(x_129, 0);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_129, 1);
+lean_inc(x_131);
+lean_dec(x_129);
+x_132 = lean_ctor_get(x_130, 2);
+lean_inc(x_132);
+lean_dec(x_130);
+x_133 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_133, 0, x_132);
+x_134 = lean_box(0);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_281 = l_Lean_Elab_Term_ensureHasType(x_279, x_271, x_280, x_8, x_9, x_10, x_11, x_12, x_13, x_277);
-if (lean_obj_tag(x_281) == 0)
+x_135 = l_Lean_Elab_Term_ensureHasType(x_133, x_125, x_134, x_8, x_9, x_10, x_11, x_12, x_13, x_131);
+if (lean_obj_tag(x_135) == 0)
 {
-lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; uint8_t x_287; lean_object* x_288; lean_object* x_289; 
-x_282 = lean_ctor_get(x_281, 0);
-lean_inc(x_282);
-x_283 = lean_ctor_get(x_281, 1);
-lean_inc(x_283);
-lean_dec(x_281);
-x_284 = l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(x_5, x_282, x_8, x_9, x_10, x_11, x_12, x_13, x_283);
+lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; lean_object* x_142; lean_object* x_143; 
+x_136 = lean_ctor_get(x_135, 0);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_135, 1);
+lean_inc(x_137);
+lean_dec(x_135);
+x_138 = l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(x_5, x_136, x_8, x_9, x_10, x_11, x_12, x_13, x_137);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-x_285 = lean_ctor_get(x_284, 1);
-lean_inc(x_285);
-if (lean_is_exclusive(x_284)) {
- lean_ctor_release(x_284, 0);
- lean_ctor_release(x_284, 1);
- x_286 = x_284;
+x_139 = lean_ctor_get(x_138, 1);
+lean_inc(x_139);
+if (lean_is_exclusive(x_138)) {
+ lean_ctor_release(x_138, 0);
+ lean_ctor_release(x_138, 1);
+ x_140 = x_138;
 } else {
- lean_dec_ref(x_284);
- x_286 = lean_box(0);
+ lean_dec_ref(x_138);
+ x_140 = lean_box(0);
 }
-x_287 = 1;
-x_288 = lean_box(x_287);
-if (lean_is_scalar(x_286)) {
- x_289 = lean_alloc_ctor(0, 2, 0);
+x_141 = 1;
+x_142 = lean_box(x_141);
+if (lean_is_scalar(x_140)) {
+ x_143 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_289 = x_286;
+ x_143 = x_140;
 }
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_285);
-return x_289;
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_139);
+return x_143;
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
+lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -23147,229 +22649,86 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_5);
-x_290 = lean_ctor_get(x_281, 0);
-lean_inc(x_290);
-x_291 = lean_ctor_get(x_281, 1);
-lean_inc(x_291);
-if (lean_is_exclusive(x_281)) {
- lean_ctor_release(x_281, 0);
- lean_ctor_release(x_281, 1);
- x_292 = x_281;
+x_144 = lean_ctor_get(x_135, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_135, 1);
+lean_inc(x_145);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_146 = x_135;
 } else {
- lean_dec_ref(x_281);
- x_292 = lean_box(0);
+ lean_dec_ref(x_135);
+ x_146 = lean_box(0);
 }
-if (lean_is_scalar(x_292)) {
- x_293 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_146)) {
+ x_147 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_293 = x_292;
+ x_147 = x_146;
 }
-lean_ctor_set(x_293, 0, x_290);
-lean_ctor_set(x_293, 1, x_291);
-return x_293;
+lean_ctor_set(x_147, 0, x_144);
+lean_ctor_set(x_147, 1, x_145);
+return x_147;
 }
 }
 else
 {
-lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; uint8_t x_298; 
-lean_dec(x_274);
-lean_dec(x_271);
-x_294 = lean_st_ref_get(x_13, x_272);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-lean_dec(x_294);
-x_296 = lean_st_ref_take(x_11, x_295);
-x_297 = lean_ctor_get(x_296, 0);
-lean_inc(x_297);
-x_298 = lean_ctor_get_uint8(x_40, sizeof(void*)*8);
-if (x_298 == 0)
-{
-lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; uint8_t x_313; lean_object* x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; 
-x_299 = lean_ctor_get(x_297, 0);
-lean_inc(x_299);
-x_300 = lean_ctor_get(x_296, 1);
-lean_inc(x_300);
-lean_dec(x_296);
-x_301 = lean_ctor_get(x_40, 0);
-lean_inc(x_301);
-x_302 = lean_ctor_get(x_40, 1);
-lean_inc(x_302);
-x_303 = lean_ctor_get(x_40, 2);
-lean_inc(x_303);
-x_304 = lean_ctor_get(x_40, 3);
-lean_inc(x_304);
-x_305 = lean_ctor_get(x_40, 4);
-lean_inc(x_305);
-x_306 = lean_ctor_get(x_40, 5);
-lean_inc(x_306);
-x_307 = lean_ctor_get(x_40, 6);
-lean_inc(x_307);
-x_308 = lean_ctor_get(x_40, 7);
-lean_inc(x_308);
-lean_dec(x_40);
-x_309 = lean_ctor_get(x_297, 1);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_297, 2);
-lean_inc(x_310);
-x_311 = lean_ctor_get(x_297, 3);
-lean_inc(x_311);
-if (lean_is_exclusive(x_297)) {
- lean_ctor_release(x_297, 0);
- lean_ctor_release(x_297, 1);
- lean_ctor_release(x_297, 2);
- lean_ctor_release(x_297, 3);
- x_312 = x_297;
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
+lean_dec(x_128);
+lean_dec(x_125);
+x_148 = lean_st_ref_get(x_13, x_126);
+x_149 = lean_ctor_get(x_148, 1);
+lean_inc(x_149);
+lean_dec(x_148);
+x_150 = lean_st_ref_take(x_11, x_149);
+x_151 = lean_ctor_get(x_150, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_150, 1);
+lean_inc(x_152);
+lean_dec(x_150);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_151, 2);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_151, 3);
+lean_inc(x_155);
+if (lean_is_exclusive(x_151)) {
+ lean_ctor_release(x_151, 0);
+ lean_ctor_release(x_151, 1);
+ lean_ctor_release(x_151, 2);
+ lean_ctor_release(x_151, 3);
+ x_156 = x_151;
 } else {
- lean_dec_ref(x_297);
- x_312 = lean_box(0);
+ lean_dec_ref(x_151);
+ x_156 = lean_box(0);
 }
-x_313 = lean_ctor_get_uint8(x_299, sizeof(void*)*8);
-if (lean_is_exclusive(x_299)) {
- lean_ctor_release(x_299, 0);
- lean_ctor_release(x_299, 1);
- lean_ctor_release(x_299, 2);
- lean_ctor_release(x_299, 3);
- lean_ctor_release(x_299, 4);
- lean_ctor_release(x_299, 5);
- lean_ctor_release(x_299, 6);
- lean_ctor_release(x_299, 7);
- x_314 = x_299;
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(0, 4, 0);
 } else {
- lean_dec_ref(x_299);
- x_314 = lean_box(0);
+ x_157 = x_156;
 }
-if (lean_is_scalar(x_314)) {
- x_315 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_315 = x_314;
-}
-lean_ctor_set(x_315, 0, x_301);
-lean_ctor_set(x_315, 1, x_302);
-lean_ctor_set(x_315, 2, x_303);
-lean_ctor_set(x_315, 3, x_304);
-lean_ctor_set(x_315, 4, x_305);
-lean_ctor_set(x_315, 5, x_306);
-lean_ctor_set(x_315, 6, x_307);
-lean_ctor_set(x_315, 7, x_308);
-lean_ctor_set_uint8(x_315, sizeof(void*)*8, x_313);
-if (lean_is_scalar(x_312)) {
- x_316 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_316 = x_312;
-}
-lean_ctor_set(x_316, 0, x_315);
-lean_ctor_set(x_316, 1, x_309);
-lean_ctor_set(x_316, 2, x_310);
-lean_ctor_set(x_316, 3, x_311);
-x_317 = lean_st_ref_set(x_11, x_316, x_300);
-x_318 = lean_ctor_get(x_317, 1);
-lean_inc(x_318);
-lean_dec(x_317);
-x_319 = lean_unsigned_to_nat(1u);
-x_320 = lean_nat_add(x_6, x_319);
+lean_ctor_set(x_157, 0, x_40);
+lean_ctor_set(x_157, 1, x_153);
+lean_ctor_set(x_157, 2, x_154);
+lean_ctor_set(x_157, 3, x_155);
+x_158 = lean_st_ref_set(x_11, x_157, x_152);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_unsigned_to_nat(1u);
+x_161 = lean_nat_add(x_6, x_160);
 lean_dec(x_6);
-x_321 = lean_nat_add(x_7, x_319);
+x_162 = lean_nat_add(x_7, x_160);
 lean_dec(x_7);
-x_6 = x_320;
-x_7 = x_321;
-x_14 = x_318;
-goto _start;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; uint8_t x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; 
-x_323 = lean_ctor_get(x_296, 1);
-lean_inc(x_323);
-lean_dec(x_296);
-x_324 = lean_ctor_get(x_40, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_40, 1);
-lean_inc(x_325);
-x_326 = lean_ctor_get(x_40, 2);
-lean_inc(x_326);
-x_327 = lean_ctor_get(x_40, 3);
-lean_inc(x_327);
-x_328 = lean_ctor_get(x_40, 4);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_40, 5);
-lean_inc(x_329);
-x_330 = lean_ctor_get(x_40, 6);
-lean_inc(x_330);
-x_331 = lean_ctor_get(x_40, 7);
-lean_inc(x_331);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
- lean_ctor_release(x_40, 2);
- lean_ctor_release(x_40, 3);
- lean_ctor_release(x_40, 4);
- lean_ctor_release(x_40, 5);
- lean_ctor_release(x_40, 6);
- lean_ctor_release(x_40, 7);
- x_332 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_332 = lean_box(0);
-}
-x_333 = lean_ctor_get(x_297, 1);
-lean_inc(x_333);
-x_334 = lean_ctor_get(x_297, 2);
-lean_inc(x_334);
-x_335 = lean_ctor_get(x_297, 3);
-lean_inc(x_335);
-if (lean_is_exclusive(x_297)) {
- lean_ctor_release(x_297, 0);
- lean_ctor_release(x_297, 1);
- lean_ctor_release(x_297, 2);
- lean_ctor_release(x_297, 3);
- x_336 = x_297;
-} else {
- lean_dec_ref(x_297);
- x_336 = lean_box(0);
-}
-x_337 = 1;
-if (lean_is_scalar(x_332)) {
- x_338 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_338 = x_332;
-}
-lean_ctor_set(x_338, 0, x_324);
-lean_ctor_set(x_338, 1, x_325);
-lean_ctor_set(x_338, 2, x_326);
-lean_ctor_set(x_338, 3, x_327);
-lean_ctor_set(x_338, 4, x_328);
-lean_ctor_set(x_338, 5, x_329);
-lean_ctor_set(x_338, 6, x_330);
-lean_ctor_set(x_338, 7, x_331);
-lean_ctor_set_uint8(x_338, sizeof(void*)*8, x_337);
-if (lean_is_scalar(x_336)) {
- x_339 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_339 = x_336;
-}
-lean_ctor_set(x_339, 0, x_338);
-lean_ctor_set(x_339, 1, x_333);
-lean_ctor_set(x_339, 2, x_334);
-lean_ctor_set(x_339, 3, x_335);
-x_340 = lean_st_ref_set(x_11, x_339, x_323);
-x_341 = lean_ctor_get(x_340, 1);
-lean_inc(x_341);
-lean_dec(x_340);
-x_342 = lean_unsigned_to_nat(1u);
-x_343 = lean_nat_add(x_6, x_342);
-lean_dec(x_6);
-x_344 = lean_nat_add(x_7, x_342);
-lean_dec(x_7);
-x_6 = x_343;
-x_7 = x_344;
-x_14 = x_341;
+x_6 = x_161;
+x_7 = x_162;
+x_14 = x_159;
 goto _start;
 }
 }
-}
 else
 {
-lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; 
+lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
 lean_dec(x_40);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -23382,33 +22741,33 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
-x_346 = lean_ctor_get(x_270, 0);
-lean_inc(x_346);
-x_347 = lean_ctor_get(x_270, 1);
-lean_inc(x_347);
-if (lean_is_exclusive(x_270)) {
- lean_ctor_release(x_270, 0);
- lean_ctor_release(x_270, 1);
- x_348 = x_270;
+x_164 = lean_ctor_get(x_124, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_124, 1);
+lean_inc(x_165);
+if (lean_is_exclusive(x_124)) {
+ lean_ctor_release(x_124, 0);
+ lean_ctor_release(x_124, 1);
+ x_166 = x_124;
 } else {
- lean_dec_ref(x_270);
- x_348 = lean_box(0);
+ lean_dec_ref(x_124);
+ x_166 = lean_box(0);
 }
-if (lean_is_scalar(x_348)) {
- x_349 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_166)) {
+ x_167 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_349 = x_348;
+ x_167 = x_166;
 }
-lean_ctor_set(x_349, 0, x_346);
-lean_ctor_set(x_349, 1, x_347);
-return x_349;
+lean_ctor_set(x_167, 0, x_164);
+lean_ctor_set(x_167, 1, x_165);
+return x_167;
 }
 }
 }
 }
 else
 {
-uint8_t x_350; 
+uint8_t x_168; 
 lean_dec(x_40);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -23421,29 +22780,29 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
-x_350 = !lean_is_exclusive(x_41);
-if (x_350 == 0)
+x_168 = !lean_is_exclusive(x_41);
+if (x_168 == 0)
 {
 return x_41;
 }
 else
 {
-lean_object* x_351; lean_object* x_352; lean_object* x_353; 
-x_351 = lean_ctor_get(x_41, 0);
-x_352 = lean_ctor_get(x_41, 1);
-lean_inc(x_352);
-lean_inc(x_351);
+lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_41, 0);
+x_170 = lean_ctor_get(x_41, 1);
+lean_inc(x_170);
+lean_inc(x_169);
 lean_dec(x_41);
-x_353 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_353, 0, x_351);
-lean_ctor_set(x_353, 1, x_352);
-return x_353;
+x_171 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_171, 0, x_169);
+lean_ctor_set(x_171, 1, x_170);
+return x_171;
 }
 }
 }
 else
 {
-uint8_t x_354; 
+uint8_t x_172; 
 lean_dec(x_21);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -23456,23 +22815,23 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
-x_354 = !lean_is_exclusive(x_32);
-if (x_354 == 0)
+x_172 = !lean_is_exclusive(x_32);
+if (x_172 == 0)
 {
 return x_32;
 }
 else
 {
-lean_object* x_355; lean_object* x_356; lean_object* x_357; 
-x_355 = lean_ctor_get(x_32, 0);
-x_356 = lean_ctor_get(x_32, 1);
-lean_inc(x_356);
-lean_inc(x_355);
+lean_object* x_173; lean_object* x_174; lean_object* x_175; 
+x_173 = lean_ctor_get(x_32, 0);
+x_174 = lean_ctor_get(x_32, 1);
+lean_inc(x_174);
+lean_inc(x_173);
 lean_dec(x_32);
-x_357 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_357, 0, x_355);
-lean_ctor_set(x_357, 1, x_356);
-return x_357;
+x_175 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_175, 0, x_173);
+lean_ctor_set(x_175, 1, x_174);
+return x_175;
 }
 }
 }
@@ -23480,7 +22839,7 @@ return x_357;
 }
 else
 {
-uint8_t x_358; lean_object* x_359; lean_object* x_360; 
+uint8_t x_176; lean_object* x_177; lean_object* x_178; 
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -23492,12 +22851,12 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_2);
-x_358 = 0;
-x_359 = lean_box(x_358);
-x_360 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_360, 0, x_359);
-lean_ctor_set(x_360, 1, x_14);
-return x_360;
+x_176 = 0;
+x_177 = lean_box(x_176);
+x_178 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_14);
+return x_178;
 }
 }
 }
@@ -23579,256 +22938,55 @@ x_13 = lean_apply_9(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg___boxed), 4, 0);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg(x_7, x_8, x_9, x_10);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_11 = lean_st_ref_get(x_9, x_10);
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_st_ref_get(x_9, x_12);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_get(x_7, x_14);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
+x_13 = lean_st_ref_get(x_7, x_12);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_17 = lean_ctor_get(x_15, 0);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_ctor_get(x_18, 6);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_19, x_1);
-x_21 = lean_box(x_20);
-lean_ctor_set(x_15, 0, x_21);
-return x_15;
+lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = lean_ctor_get(x_16, 6);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_17, x_1);
+x_19 = lean_box(x_18);
+lean_ctor_set(x_13, 0, x_19);
+return x_13;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_22 = lean_ctor_get(x_15, 0);
-x_23 = lean_ctor_get(x_15, 1);
-lean_inc(x_23);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_20 = lean_ctor_get(x_13, 0);
+x_21 = lean_ctor_get(x_13, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_13);
+x_22 = lean_ctor_get(x_20, 0);
 lean_inc(x_22);
-lean_dec(x_15);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_22, 6);
+lean_inc(x_23);
 lean_dec(x_22);
-x_25 = lean_ctor_get(x_24, 6);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_25, x_1);
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_23);
-return x_28;
+x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_23, x_1);
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_21);
+return x_26;
 }
 }
 }
-static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1() {
+static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -23836,12 +22994,12 @@ x_1 = lean_mk_string_from_bytes("Lean.Elab.Term.StructInst.DefaultFields.step",
 return x_1;
 }
 }
-static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2() {
+static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getStructSource___spec__3___closed__1;
-x_2 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1;
+x_2 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1;
 x_3 = lean_unsigned_to_nat(840u);
 x_4 = lean_unsigned_to_nat(25u);
 x_5 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getStructSource___spec__3___closed__3;
@@ -23849,7 +23007,7 @@ x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3() {
+static lean_object* _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -23859,7 +23017,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -23911,7 +23069,7 @@ lean_object* x_23; lean_object* x_24;
 x_23 = lean_ctor_get(x_22, 1);
 lean_inc(x_23);
 lean_dec(x_22);
-x_24 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_24 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_24;
 x_16 = x_23;
 goto block_19;
@@ -23958,7 +23116,7 @@ if (lean_obj_tag(x_29) == 0)
 {
 lean_object* x_30; lean_object* x_31; 
 lean_dec(x_13);
-x_30 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2;
+x_30 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2;
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -23974,7 +23132,7 @@ lean_object* x_32; lean_object* x_33;
 x_32 = lean_ctor_get(x_31, 1);
 lean_inc(x_32);
 lean_dec(x_31);
-x_33 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_33 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_33;
 x_16 = x_32;
 goto block_19;
@@ -24023,7 +23181,7 @@ if (lean_obj_tag(x_39) == 0)
 {
 lean_object* x_40; 
 lean_dec(x_13);
-x_40 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_40 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_40;
 x_16 = x_11;
 goto block_19;
@@ -24121,7 +23279,7 @@ lean_object* x_69; lean_object* x_70;
 x_69 = lean_ctor_get(x_66, 1);
 lean_inc(x_69);
 lean_dec(x_66);
-x_70 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_70 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_70;
 x_16 = x_69;
 goto block_19;
@@ -24146,7 +23304,7 @@ x_78 = lean_st_ref_set(x_4, x_77, x_75);
 x_79 = lean_ctor_get(x_78, 1);
 lean_inc(x_79);
 lean_dec(x_78);
-x_80 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_80 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_80;
 x_16 = x_79;
 goto block_19;
@@ -24192,7 +23350,7 @@ lean_dec(x_13);
 x_85 = lean_ctor_get(x_43, 1);
 lean_inc(x_85);
 lean_dec(x_43);
-x_86 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_86 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_86;
 x_16 = x_85;
 goto block_19;
@@ -24203,7 +23361,7 @@ else
 lean_object* x_87; 
 lean_dec(x_41);
 lean_dec(x_13);
-x_87 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+x_87 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3;
 x_15 = x_87;
 x_16 = x_11;
 goto block_19;
@@ -24249,7 +23407,7 @@ x_17 = lean_ctor_get(x_2, 0);
 x_18 = lean_array_push(x_17, x_1);
 lean_ctor_set(x_2, 0, x_18);
 x_19 = lean_box(0);
-x_20 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4(x_15, x_19, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
+x_20 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(x_15, x_19, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
 if (lean_obj_tag(x_20) == 0)
 {
 uint8_t x_21; 
@@ -24313,7 +23471,7 @@ lean_ctor_set(x_33, 0, x_32);
 lean_ctor_set(x_33, 1, x_30);
 lean_ctor_set(x_33, 2, x_31);
 x_34 = lean_box(0);
-x_35 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4(x_15, x_34, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
+x_35 = l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(x_15, x_34, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_14);
 if (lean_obj_tag(x_35) == 0)
 {
 lean_object* x_36; lean_object* x_37; lean_object* x_38; 
@@ -24399,30 +23557,6 @@ return x_48;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -28062,12 +27196,12 @@ l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1___closed__2
 lean_mark_persistent(l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1___closed__2);
 l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1___closed__3 = _init_l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1___closed__3();
 lean_mark_persistent(l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__1___closed__3);
-l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1();
-lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__1);
-l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2();
-lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__2);
-l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3();
-lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3);
+l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1();
+lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__1);
+l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2();
+lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__2);
+l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3 = _init_l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3();
+lean_mark_persistent(l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__3___closed__3);
 l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__2___closed__1 = _init_l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__2___closed__1();
 lean_mark_persistent(l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__2___closed__1);
 l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__2___closed__2 = _init_l_panic___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__2___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/Structure.c b/stage0/stdlib/Lean/Elab/Structure.c
index e62f4a89e6..d83e155e9f 100644
--- a/stage0/stdlib/Lean/Elab/Structure.c
+++ b/stage0/stdlib/Lean/Elab/Structure.c
@@ -779,7 +779,6 @@ lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*,
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_copyDefaultValue_x3f_go_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkAuxConstructions___closed__2;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_getOptDerivingClasses___at_Lean_Elab_Command_elabStructure___spec__2___lambda__2___closed__1;
@@ -961,6 +960,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_co
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_getFieldType___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__5___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_copyNewFieldsFrom_mkCompositeField___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_logWarning___at___private_Lean_Elab_Term_0__Lean_Elab_Term_mkConsts___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_to_int(lean_object*);
@@ -3105,7 +3105,7 @@ x_20 = l_Lean_Elab_elabAttr___at___private_Lean_Elab_Structure_0__Lean_Elab_Comm
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_19);
 lean_ctor_set(x_21, 1, x_20);
-x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_21, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
+x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_21, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -4481,7 +4481,7 @@ else
 {
 lean_object* x_13; lean_object* x_14; uint8_t x_15; 
 x_13 = l_Lean_Elab_Command_checkValidCtorModifier___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__16___lambda__2___closed__2;
-x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -4537,7 +4537,7 @@ else
 {
 lean_object* x_13; lean_object* x_14; uint8_t x_15; 
 x_13 = l_Lean_Elab_Command_checkValidCtorModifier___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__16___lambda__3___closed__2;
-x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -4597,7 +4597,7 @@ else
 {
 lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 x_12 = l_Lean_Elab_Command_checkValidCtorModifier___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__16___closed__2;
-x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -4802,7 +4802,7 @@ lean_object* x_19; lean_object* x_20; uint8_t x_21;
 lean_dec(x_3);
 lean_dec(x_1);
 x_19 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___lambda__2___closed__2;
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -4959,7 +4959,7 @@ lean_dec(x_22);
 lean_dec(x_3);
 lean_dec(x_2);
 x_38 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___closed__2;
-x_39 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_38, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
+x_39 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_38, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -5148,7 +5148,7 @@ lean_dec(x_22);
 lean_dec(x_3);
 lean_dec(x_2);
 x_76 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___closed__2;
-x_77 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_76, x_4, x_5, x_6, x_7, x_64, x_9, x_69);
+x_77 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_76, x_4, x_5, x_6, x_7, x_64, x_9, x_69);
 lean_dec(x_9);
 lean_dec(x_64);
 lean_dec(x_7);
@@ -5729,7 +5729,7 @@ else
 {
 lean_object* x_13; lean_object* x_14; uint8_t x_15; 
 x_13 = l_Lean_Elab_Command_checkValidFieldModifier___lambda__2___closed__2;
-x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -5785,7 +5785,7 @@ else
 {
 lean_object* x_13; lean_object* x_14; uint8_t x_15; 
 x_13 = l_Lean_Elab_Command_checkValidFieldModifier___lambda__3___closed__2;
-x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_14 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -5845,7 +5845,7 @@ else
 {
 lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 x_12 = l_Lean_Elab_Command_checkValidFieldModifier___closed__2;
-x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_13 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -7466,7 +7466,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_21 = l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__5___lambda__4___closed__2;
-x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -7573,7 +7573,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_26 = l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__5___lambda__5___closed__2;
-x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_26, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
+x_27 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_26, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -9450,7 +9450,7 @@ x_29 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_processSubfields_go_
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_28);
 lean_ctor_set(x_30, 1, x_29);
-x_31 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_30, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_31 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_30, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -12767,7 +12767,7 @@ x_98 = l_Lean_getDocStringText___at___private_Lean_Elab_Structure_0__Lean_Elab_C
 x_99 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_99, 0, x_97);
 lean_ctor_set(x_99, 1, x_98);
-x_100 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_99, x_10, x_11, x_12, x_13, x_14, x_15, x_87);
+x_100 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_99, x_10, x_11, x_12, x_13, x_14, x_15, x_87);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -16864,7 +16864,7 @@ default:
 lean_object* x_96; uint8_t x_97; 
 lean_dec(x_92);
 lean_dec(x_18);
-x_96 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_91, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_96 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_91, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -17419,7 +17419,7 @@ default:
 lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; 
 lean_dec(x_196);
 lean_dec(x_18);
-x_200 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_195, x_6, x_7, x_8, x_9, x_126, x_11, x_12);
+x_200 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_195, x_6, x_7, x_8, x_9, x_126, x_11, x_12);
 lean_dec(x_11);
 lean_dec(x_126);
 lean_dec(x_9);
@@ -22066,14 +22066,13 @@ x_1 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_registerStructure___c
 x_2 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_registerStructure___closed__5;
 x_3 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_registerStructure___closed__6;
 x_4 = l___private_Lean_Elab_Structure_0__Lean_Elab_Command_registerStructure___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -23017,7 +23016,7 @@ x_36 = l_Lean_getDocStringText___at___private_Lean_Elab_Structure_0__Lean_Elab_C
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+x_38 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
diff --git a/stage0/stdlib/Lean/Elab/Syntax.c b/stage0/stdlib/Lean/Elab/Syntax.c
index 86b5d63086..334cf84542 100644
--- a/stage0/stdlib/Lean/Elab/Syntax.c
+++ b/stage0/stdlib/Lean/Elab/Syntax.c
@@ -352,7 +352,6 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 static lean_object* l_Lean_Elab_Term_toParserDescr_processParserCategory___lambda__1___closed__5;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processSepBy1___lambda__1___closed__12;
 lean_object* l_Lean_Name_toString(lean_object*, uint8_t);
-static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_resolveSyntaxKind___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveNamespace(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -360,7 +359,8 @@ static lean_object* l___private_Lean_Elab_Syntax_0__Lean_Elab_Command_declareSyn
 lean_object* l_Lean_Unhygienic_run___rarg(lean_object*);
 lean_object* l_String_capitalize(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureUnaryOutput(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421_(lean_object*);
+static lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1;
 static lean_object* l_Lean_Elab_Term_toParserDescr_process___closed__13;
 static lean_object* l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__7;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Command_expandNoKindMacroRulesAux___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1996,6 +1996,114 @@ return x_18;
 }
 }
 }
+static lean_object* _init_l_Lean_Elab_Term_addCategoryInfo___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Category", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_addCategoryInfo___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__4;
+x_2 = l_Lean_Elab_Term_addCategoryInfo___closed__1;
+x_3 = l_Lean_Name_str___override(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_addCategoryInfo(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = l_Lean_Elab_Term_addCategoryInfo___closed__2;
+x_11 = l_Lean_Name_append(x_10, x_2);
+x_12 = lean_st_ref_get(x_8, x_9);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_12, 1);
+x_16 = lean_ctor_get(x_14, 0);
+lean_inc(x_16);
+lean_dec(x_14);
+lean_inc(x_11);
+x_17 = l_Lean_Environment_contains(x_16, x_11);
+if (x_17 == 0)
+{
+lean_object* x_18; 
+lean_dec(x_11);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_18 = lean_box(0);
+lean_ctor_set(x_12, 0, x_18);
+return x_12;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; 
+lean_free_object(x_12);
+x_19 = lean_box(0);
+x_20 = l_Lean_Expr_const___override(x_11, x_19);
+x_21 = lean_box(0);
+x_22 = lean_box(0);
+x_23 = 0;
+x_24 = l_Lean_Elab_Term_addTermInfo_x27(x_1, x_20, x_21, x_21, x_22, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_25 = lean_ctor_get(x_12, 0);
+x_26 = lean_ctor_get(x_12, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_12);
+x_27 = lean_ctor_get(x_25, 0);
+lean_inc(x_27);
+lean_dec(x_25);
+lean_inc(x_11);
+x_28 = l_Lean_Environment_contains(x_27, x_11);
+if (x_28 == 0)
+{
+lean_object* x_29; lean_object* x_30; 
+lean_dec(x_11);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_29 = lean_box(0);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_26);
+return x_30;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; 
+x_31 = lean_box(0);
+x_32 = l_Lean_Expr_const___override(x_11, x_31);
+x_33 = lean_box(0);
+x_34 = lean_box(0);
+x_35 = 0;
+x_36 = l_Lean_Elab_Term_addTermInfo_x27(x_1, x_32, x_33, x_33, x_34, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_26);
+return x_36;
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Elab_Term_checkLeftRec___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -3250,12 +3358,27 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_checkLeftRec___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_14; 
 lean_dec(x_4);
-x_14 = lean_unsigned_to_nat(1u);
-x_15 = l_Lean_Syntax_getArg(x_1, x_14);
-x_16 = lean_alloc_closure((void*)(l_Lean_Elab_Term_expandOptPrecedence___boxed), 3, 1);
-lean_closure_set(x_16, 0, x_15);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_2);
+lean_inc(x_1);
+x_14 = l_Lean_Elab_Term_addCategoryInfo(x_1, x_2, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_unsigned_to_nat(1u);
+x_17 = l_Lean_Syntax_getArg(x_1, x_16);
+x_18 = lean_alloc_closure((void*)(l_Lean_Elab_Term_expandOptPrecedence___boxed), 3, 1);
+lean_closure_set(x_18, 0, x_17);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
@@ -3264,63 +3387,63 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_17 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_checkLeftRec___spec__1(x_16, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_17) == 0)
+x_19 = l_Lean_Elab_liftMacroM___at_Lean_Elab_Term_checkLeftRec___spec__1(x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_15);
+if (lean_obj_tag(x_19) == 0)
 {
-uint8_t x_18; 
-x_18 = lean_ctor_get_uint8(x_2, sizeof(void*)*1 + 1);
-lean_dec(x_2);
-if (x_18 == 0)
+uint8_t x_20; 
+x_20 = lean_ctor_get_uint8(x_3, sizeof(void*)*1 + 1);
+lean_dec(x_3);
+if (x_20 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
-lean_dec(x_17);
-x_20 = lean_unsigned_to_nat(3u);
-x_21 = l_Lean_Syntax_getArg(x_1, x_20);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+x_22 = lean_unsigned_to_nat(3u);
+x_23 = l_Lean_Syntax_getArg(x_1, x_22);
 lean_dec(x_1);
-x_22 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_22, 0, x_3);
-x_23 = l_Lean_Elab_Term_checkLeftRec___lambda__2___closed__2;
-x_24 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_22);
-x_25 = l_Lean_Elab_Term_checkLeftRec___lambda__2___closed__4;
+x_24 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_24, 0, x_2);
+x_25 = l_Lean_Elab_Term_checkLeftRec___lambda__2___closed__2;
 x_26 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_26, 0, x_24);
-lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_throwErrorAt___at_Lean_Elab_Term_checkLeftRec___spec__9(x_21, x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_24);
+x_27 = l_Lean_Elab_Term_checkLeftRec___lambda__2___closed__4;
+x_28 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+x_29 = l_Lean_throwErrorAt___at_Lean_Elab_Term_checkLeftRec___spec__9(x_23, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_21);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
 {
-return x_27;
+return x_29;
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-x_30 = lean_ctor_get(x_27, 1);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_27);
-x_31 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_31, 0, x_29);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
-}
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-lean_dec(x_3);
-lean_dec(x_1);
-x_32 = lean_ctor_get(x_17, 0);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_29, 0);
+x_32 = lean_ctor_get(x_29, 1);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_17, 1);
-lean_inc(x_33);
-lean_dec(x_17);
-x_34 = lean_box(0);
-x_35 = l_Lean_Elab_Term_checkLeftRec___lambda__1(x_32, x_34, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_33);
+lean_inc(x_31);
+lean_dec(x_29);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_34 = lean_ctor_get(x_19, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_19, 1);
+lean_inc(x_35);
+lean_dec(x_19);
+x_36 = lean_box(0);
+x_37 = l_Lean_Elab_Term_checkLeftRec___lambda__1(x_34, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -3329,12 +3452,12 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-return x_35;
+return x_37;
 }
 }
 else
 {
-uint8_t x_36; 
+uint8_t x_38; 
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -3346,23 +3469,57 @@ lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_36 = !lean_is_exclusive(x_17);
-if (x_36 == 0)
+x_38 = !lean_is_exclusive(x_19);
+if (x_38 == 0)
 {
-return x_17;
+return x_19;
 }
 else
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_17, 0);
-x_38 = lean_ctor_get(x_17, 1);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_17);
-x_39 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-return x_39;
+lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_39 = lean_ctor_get(x_19, 0);
+x_40 = lean_ctor_get(x_19, 1);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_dec(x_19);
+x_41 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_41, 0, x_39);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
+}
+}
+}
+else
+{
+uint8_t x_42; 
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_14);
+if (x_42 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_14, 0);
+x_44 = lean_ctor_get(x_14, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_14);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
@@ -3406,7 +3563,7 @@ else
 {
 lean_object* x_22; lean_object* x_23; 
 x_22 = lean_box(0);
-x_23 = l_Lean_Elab_Term_checkLeftRec___lambda__2(x_1, x_2, x_16, x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_23 = l_Lean_Elab_Term_checkLeftRec___lambda__2(x_1, x_16, x_2, x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 return x_23;
 }
 }
@@ -4316,114 +4473,6 @@ lean_dec(x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_addCategoryInfo___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Category", 8);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_addCategoryInfo___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_Syntax_0__Lean_Elab_Term_mkParserSeq___spec__1___closed__4;
-x_2 = l_Lean_Elab_Term_addCategoryInfo___closed__1;
-x_3 = l_Lean_Name_str___override(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_addCategoryInfo(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
-x_10 = l_Lean_Elab_Term_addCategoryInfo___closed__2;
-x_11 = l_Lean_Name_append(x_10, x_2);
-x_12 = lean_st_ref_get(x_8, x_9);
-x_13 = !lean_is_exclusive(x_12);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_ctor_get(x_12, 1);
-x_16 = lean_ctor_get(x_14, 0);
-lean_inc(x_16);
-lean_dec(x_14);
-lean_inc(x_11);
-x_17 = l_Lean_Environment_contains(x_16, x_11);
-if (x_17 == 0)
-{
-lean_object* x_18; 
-lean_dec(x_11);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_18 = lean_box(0);
-lean_ctor_set(x_12, 0, x_18);
-return x_12;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; 
-lean_free_object(x_12);
-x_19 = lean_box(0);
-x_20 = l_Lean_Expr_const___override(x_11, x_19);
-x_21 = lean_box(0);
-x_22 = lean_box(0);
-x_23 = 0;
-x_24 = l_Lean_Elab_Term_addTermInfo_x27(x_1, x_20, x_21, x_21, x_22, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-return x_24;
-}
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_25 = lean_ctor_get(x_12, 0);
-x_26 = lean_ctor_get(x_12, 1);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_12);
-x_27 = lean_ctor_get(x_25, 0);
-lean_inc(x_27);
-lean_dec(x_25);
-lean_inc(x_11);
-x_28 = l_Lean_Environment_contains(x_27, x_11);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_11);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_1);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_26);
-return x_30;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; 
-x_31 = lean_box(0);
-x_32 = l_Lean_Expr_const___override(x_11, x_31);
-x_33 = lean_box(0);
-x_34 = lean_box(0);
-x_35 = 0;
-x_36 = l_Lean_Elab_Term_addTermInfo_x27(x_1, x_32, x_33, x_33, x_34, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_26);
-return x_36;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_toParserDescr_processNonReserved___spec__1___rarg(lean_object* x_1) {
 _start:
 {
@@ -8442,7 +8491,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__1;
 x_2 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__2;
-x_3 = lean_unsigned_to_nat(176u);
+x_3 = lean_unsigned_to_nat(177u);
 x_4 = lean_unsigned_to_nat(21u);
 x_5 = l_Lean_Elab_Term_toParserDescr_processAlias___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -15274,7 +15323,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(264u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15286,7 +15335,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(278u);
+x_1 = lean_unsigned_to_nat(279u);
 x_2 = lean_unsigned_to_nat(17u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15314,7 +15363,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(264u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15326,7 +15375,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabDeclareSyntaxCat_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(263u);
+x_1 = lean_unsigned_to_nat(264u);
 x_2 = lean_unsigned_to_nat(56u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19265,7 +19314,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(337u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19277,7 +19326,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(367u);
+x_1 = lean_unsigned_to_nat(368u);
 x_2 = lean_unsigned_to_nat(43u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19305,7 +19354,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(337u);
 x_2 = lean_unsigned_to_nat(35u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19317,7 +19366,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntax_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(336u);
+x_1 = lean_unsigned_to_nat(337u);
 x_2 = lean_unsigned_to_nat(45u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20468,7 +20517,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(37u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20480,7 +20529,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(375u);
+x_1 = lean_unsigned_to_nat(376u);
 x_2 = lean_unsigned_to_nat(49u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20508,7 +20557,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(41u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20520,7 +20569,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Command_elabSyntaxAbbrev_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(57u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -21678,7 +21727,7 @@ lean_dec(x_2);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1() {
+static lean_object* _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -21688,11 +21737,11 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1;
+x_2 = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -21832,6 +21881,10 @@ l_Lean_Elab_Term_ensureUnaryOutput___lambda__1___closed__17 = _init_l_Lean_Elab_
 lean_mark_persistent(l_Lean_Elab_Term_ensureUnaryOutput___lambda__1___closed__17);
 l_Lean_Elab_Term_ensureUnaryOutput___closed__1 = _init_l_Lean_Elab_Term_ensureUnaryOutput___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_ensureUnaryOutput___closed__1);
+l_Lean_Elab_Term_addCategoryInfo___closed__1 = _init_l_Lean_Elab_Term_addCategoryInfo___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_addCategoryInfo___closed__1);
+l_Lean_Elab_Term_addCategoryInfo___closed__2 = _init_l_Lean_Elab_Term_addCategoryInfo___closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_addCategoryInfo___closed__2);
 l_Lean_addTrace___at_Lean_Elab_Term_checkLeftRec___spec__3___closed__1 = _init_l_Lean_addTrace___at_Lean_Elab_Term_checkLeftRec___spec__3___closed__1();
 lean_mark_persistent(l_Lean_addTrace___at_Lean_Elab_Term_checkLeftRec___spec__3___closed__1);
 l_Lean_addTrace___at_Lean_Elab_Term_checkLeftRec___spec__3___closed__2 = _init_l_Lean_addTrace___at_Lean_Elab_Term_checkLeftRec___spec__3___closed__2();
@@ -21872,10 +21925,6 @@ l_List_filterMap___at_Lean_Elab_Term_resolveParserName___spec__1___closed__1 = _
 lean_mark_persistent(l_List_filterMap___at_Lean_Elab_Term_resolveParserName___spec__1___closed__1);
 l_List_filterMap___at_Lean_Elab_Term_resolveParserName___spec__1___closed__2 = _init_l_List_filterMap___at_Lean_Elab_Term_resolveParserName___spec__1___closed__2();
 lean_mark_persistent(l_List_filterMap___at_Lean_Elab_Term_resolveParserName___spec__1___closed__2);
-l_Lean_Elab_Term_addCategoryInfo___closed__1 = _init_l_Lean_Elab_Term_addCategoryInfo___closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_addCategoryInfo___closed__1);
-l_Lean_Elab_Term_addCategoryInfo___closed__2 = _init_l_Lean_Elab_Term_addCategoryInfo___closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_addCategoryInfo___closed__2);
 l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__1 = _init_l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__1);
 l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__2 = _init_l_Lean_Elab_Term_toParserDescr_processNonReserved___closed__2();
@@ -22514,9 +22563,9 @@ l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__5 = _init_l_
 lean_mark_persistent(l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__5);
 l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6 = _init_l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6();
 lean_mark_persistent(l_Lean_Elab_Command_expandNoKindMacroRulesAux___lambda__1___closed__6);
-l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1 = _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1();
-lean_mark_persistent(l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403____closed__1);
-res = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10403_(lean_io_mk_world());
+l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1 = _init_l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1();
+lean_mark_persistent(l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421____closed__1);
+res = l_Lean_Elab_Command_initFn____x40_Lean_Elab_Syntax___hyg_10421_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/SyntheticMVars.c b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
index e8c347fff9..362230ce16 100644
--- a/stage0/stdlib/Lean/Elab/SyntheticMVars.c
+++ b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
@@ -30,6 +30,7 @@ lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Elab_Term_runTactic___spec__5___closed__1;
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSomeUsingDefaultPrio(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__7;
 static lean_object* l_Std_RBNode_forIn_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___spec__2___closed__3;
@@ -52,6 +53,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_processPostponedUniverseContraints___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__11;
 LEAN_EXPORT lean_object* l_Std_HashSetImp_contains___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkConstWithFreshMVarLevels(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -73,7 +75,6 @@ lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefault(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_Elab_Term_runTactic___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Elab_Term_exprToSyntax___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__6;
@@ -221,7 +222,6 @@ static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___
 LEAN_EXPORT lean_object* l_Lean_Elab_withInfoTreeContext___at_Lean_Elab_Term_runTactic___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__13___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars_loop(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7;
@@ -267,6 +267,7 @@ static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synth
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_del___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_markAsResolved___spec__2___boxed(lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -290,7 +291,6 @@ lean_object* l_panic___at_Lean_Expr_bindingInfo_x21___spec__1(lean_object*);
 extern lean_object* l_Lean_Meta_instInhabitedDefaultInstances;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVarsUsingDefault(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_synthesizeSyntheticMVars_loop___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
 lean_object* l_Lean_Elab_Term_withoutPostponing___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getPos_x3f(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Std_RBNode_erase___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_markAsResolved___spec__1(lean_object*, lean_object*);
@@ -303,7 +303,6 @@ extern lean_object* l_Lean_Elab_instInhabitedInfoTree;
 lean_object* l_Lean_Meta_getMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSomeUsingDefaultPrio_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_traceAtCmdPos(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_postponeExceptionId;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__2___closed__3;
@@ -329,7 +328,6 @@ LEAN_EXPORT lean_object* l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMV
 LEAN_EXPORT lean_object* l_Lean_Meta_getDefaultInstancesPriorities___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp___rarg(lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_ensureAtomicBinderName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__16(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_6359____closed__1;
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -353,10 +351,10 @@ lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMe
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_runTactic___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize___rarg(lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_runPendingTacticsAt___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_logAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__4(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef___closed__1;
@@ -577,7 +575,113 @@ x_12 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumeElabTerm(x_1
 return x_12;
 }
 }
-static lean_object* _init_l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_6, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_15, x_1);
+x_17 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_17, 0, x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_2);
+lean_ctor_set(x_12, 0, x_18);
+return x_12;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_19 = lean_ctor_get(x_12, 0);
+x_20 = lean_ctor_get(x_12, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_12);
+x_21 = lean_ctor_get(x_19, 0);
+lean_inc(x_21);
+lean_dec(x_19);
+x_22 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_21, x_1);
+x_23 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_2);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_20);
+return x_25;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_6, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_ctor_get(x_15, 7);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_16, x_1);
+x_18 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_18, 0, x_17);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_2);
+lean_ctor_set(x_12, 0, x_19);
+return x_12;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_ctor_get(x_20, 0);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_22, 7);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_23, x_1);
+x_25 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_25, 0, x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_2);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_21);
+return x_27;
+}
+}
+}
+static lean_object* _init_l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -587,346 +691,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_9 = lean_st_ref_get(x_7, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_take(x_5, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = !lean_is_exclusive(x_12);
-if (x_15 == 0)
-{
-lean_object* x_16; uint8_t x_17; 
-x_16 = lean_ctor_get(x_12, 0);
-lean_dec(x_16);
-x_17 = !lean_is_exclusive(x_13);
-if (x_17 == 0)
-{
-uint8_t x_18; lean_object* x_19; uint8_t x_20; 
-x_18 = 1;
-lean_ctor_set_uint8(x_13, sizeof(void*)*8, x_18);
-x_19 = lean_st_ref_set(x_5, x_12, x_14);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_19, 0);
-lean_dec(x_21);
-x_22 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_1);
-lean_ctor_set(x_19, 0, x_23);
-return x_19;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_19, 1);
-lean_inc(x_24);
-lean_dec(x_19);
-x_25 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_1);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_24);
-return x_27;
-}
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_28 = lean_ctor_get(x_13, 0);
-x_29 = lean_ctor_get(x_13, 1);
-x_30 = lean_ctor_get(x_13, 2);
-x_31 = lean_ctor_get(x_13, 3);
-x_32 = lean_ctor_get(x_13, 4);
-x_33 = lean_ctor_get(x_13, 5);
-x_34 = lean_ctor_get(x_13, 6);
-x_35 = lean_ctor_get(x_13, 7);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_dec(x_13);
-x_36 = 1;
-x_37 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_37, 0, x_28);
-lean_ctor_set(x_37, 1, x_29);
-lean_ctor_set(x_37, 2, x_30);
-lean_ctor_set(x_37, 3, x_31);
-lean_ctor_set(x_37, 4, x_32);
-lean_ctor_set(x_37, 5, x_33);
-lean_ctor_set(x_37, 6, x_34);
-lean_ctor_set(x_37, 7, x_35);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_36);
-lean_ctor_set(x_12, 0, x_37);
-x_38 = lean_st_ref_set(x_5, x_12, x_14);
-x_39 = lean_ctor_get(x_38, 1);
-lean_inc(x_39);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- lean_ctor_release(x_38, 1);
- x_40 = x_38;
-} else {
- lean_dec_ref(x_38);
- x_40 = lean_box(0);
-}
-x_41 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_1);
-if (lean_is_scalar(x_40)) {
- x_43 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_43 = x_40;
-}
-lean_ctor_set(x_43, 0, x_42);
-lean_ctor_set(x_43, 1, x_39);
-return x_43;
-}
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_44 = lean_ctor_get(x_12, 1);
-x_45 = lean_ctor_get(x_12, 2);
-x_46 = lean_ctor_get(x_12, 3);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_inc(x_44);
-lean_dec(x_12);
-x_47 = lean_ctor_get(x_13, 0);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_13, 1);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_13, 2);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_13, 3);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_13, 4);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_13, 5);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_13, 6);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_13, 7);
-lean_inc(x_54);
-if (lean_is_exclusive(x_13)) {
- lean_ctor_release(x_13, 0);
- lean_ctor_release(x_13, 1);
- lean_ctor_release(x_13, 2);
- lean_ctor_release(x_13, 3);
- lean_ctor_release(x_13, 4);
- lean_ctor_release(x_13, 5);
- lean_ctor_release(x_13, 6);
- lean_ctor_release(x_13, 7);
- x_55 = x_13;
-} else {
- lean_dec_ref(x_13);
- x_55 = lean_box(0);
-}
-x_56 = 1;
-if (lean_is_scalar(x_55)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_55;
-}
-lean_ctor_set(x_57, 0, x_47);
-lean_ctor_set(x_57, 1, x_48);
-lean_ctor_set(x_57, 2, x_49);
-lean_ctor_set(x_57, 3, x_50);
-lean_ctor_set(x_57, 4, x_51);
-lean_ctor_set(x_57, 5, x_52);
-lean_ctor_set(x_57, 6, x_53);
-lean_ctor_set(x_57, 7, x_54);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_56);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_44);
-lean_ctor_set(x_58, 2, x_45);
-lean_ctor_set(x_58, 3, x_46);
-x_59 = lean_st_ref_set(x_5, x_58, x_14);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
-} else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
-}
-x_62 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
-x_63 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_1);
-if (lean_is_scalar(x_61)) {
- x_64 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_64 = x_61;
-}
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_60);
-return x_64;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_11 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_11, 0, x_1);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_3);
-x_13 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_13, 0, x_12);
-lean_ctor_set(x_13, 1, x_10);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_6, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_15, x_1);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_box(0);
-x_18 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(x_16, x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_18;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_19 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-lean_dec(x_20);
-x_24 = lean_ctor_get(x_21, 0);
-lean_inc(x_24);
-lean_dec(x_21);
-x_25 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(x_16, x_24, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_22);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_24);
-return x_25;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_6, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 7);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_box(0);
-x_19 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(x_17, x_18, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-lean_dec(x_20);
-x_24 = lean_ctor_get(x_21, 1);
-lean_inc(x_24);
-lean_dec(x_21);
-x_25 = lean_ctor_get(x_22, 0);
-lean_inc(x_25);
-lean_dec(x_22);
-x_26 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(x_17, x_25, x_24, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_25);
-return x_26;
-}
-}
-}
-static lean_object* _init_l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1() {
+static lean_object* _init_l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -944,12 +709,6 @@ x_11 = lean_name_eq(x_1, x_2);
 if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_2);
 x_12 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_13 = lean_ctor_get(x_12, 0);
@@ -968,13 +727,7 @@ lean_dec(x_12);
 x_17 = lean_ctor_get(x_13, 1);
 lean_inc(x_17);
 lean_dec(x_13);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_18 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__6(x_2, x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+x_18 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(x_2, x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
 x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
 x_20 = lean_ctor_get(x_19, 0);
@@ -985,12 +738,6 @@ lean_dec(x_20);
 if (lean_obj_tag(x_21) == 0)
 {
 uint8_t x_22; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_22 = !lean_is_exclusive(x_18);
 if (x_22 == 0)
 {
@@ -1003,7 +750,7 @@ if (x_24 == 0)
 lean_object* x_25; lean_object* x_26; 
 x_25 = lean_ctor_get(x_19, 0);
 lean_dec(x_25);
-x_26 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_26 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 lean_ctor_set(x_19, 0, x_26);
 return x_18;
 }
@@ -1013,7 +760,7 @@ lean_object* x_27; lean_object* x_28; lean_object* x_29;
 x_27 = lean_ctor_get(x_19, 1);
 lean_inc(x_27);
 lean_dec(x_19);
-x_28 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_28 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 x_29 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_27);
@@ -1037,7 +784,7 @@ if (lean_is_exclusive(x_19)) {
  lean_dec_ref(x_19);
  x_32 = lean_box(0);
 }
-x_33 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_33 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 if (lean_is_scalar(x_32)) {
  x_34 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -1092,14 +839,8 @@ return x_44;
 else
 {
 lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_45 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
+x_45 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2;
 x_46 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_46, 0, x_45);
 lean_ctor_set(x_46, 1, x_3);
@@ -1118,14 +859,8 @@ x_11 = l_Lean_Expr_hasExprMVar(x_2);
 if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_12 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_12 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 x_13 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_13, 0, x_12);
 lean_ctor_set(x_13, 1, x_3);
@@ -1163,12 +898,6 @@ lean_inc(x_19);
 x_20 = lean_ctor_get(x_2, 1);
 lean_inc(x_20);
 lean_dec(x_2);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_21 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_19, x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_22 = lean_ctor_get(x_21, 0);
 lean_inc(x_22);
@@ -1178,12 +907,6 @@ if (lean_obj_tag(x_23) == 0)
 {
 uint8_t x_24; 
 lean_dec(x_20);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_24 = !lean_is_exclusive(x_21);
 if (x_24 == 0)
 {
@@ -1309,12 +1032,6 @@ lean_inc(x_47);
 x_48 = lean_ctor_get(x_2, 2);
 lean_inc(x_48);
 lean_dec(x_2);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_49 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_47, x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
@@ -1324,12 +1041,6 @@ if (lean_obj_tag(x_51) == 0)
 {
 uint8_t x_52; 
 lean_dec(x_48);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_52 = !lean_is_exclusive(x_49);
 if (x_52 == 0)
 {
@@ -1455,12 +1166,6 @@ lean_inc(x_75);
 x_76 = lean_ctor_get(x_2, 2);
 lean_inc(x_76);
 lean_dec(x_2);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_77 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_75, x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_78 = lean_ctor_get(x_77, 0);
 lean_inc(x_78);
@@ -1470,12 +1175,6 @@ if (lean_obj_tag(x_79) == 0)
 {
 uint8_t x_80; 
 lean_dec(x_76);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_80 = !lean_is_exclusive(x_77);
 if (x_80 == 0)
 {
@@ -1603,12 +1302,6 @@ lean_inc(x_104);
 x_105 = lean_ctor_get(x_2, 3);
 lean_inc(x_105);
 lean_dec(x_2);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_106 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_103, x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_107 = lean_ctor_get(x_106, 0);
 lean_inc(x_107);
@@ -1619,12 +1312,6 @@ if (lean_obj_tag(x_108) == 0)
 uint8_t x_109; 
 lean_dec(x_105);
 lean_dec(x_104);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_109 = !lean_is_exclusive(x_106);
 if (x_109 == 0)
 {
@@ -1736,12 +1423,6 @@ lean_dec(x_106);
 x_130 = lean_ctor_get(x_107, 1);
 lean_inc(x_130);
 lean_dec(x_107);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_131 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_104, x_130, x_4, x_5, x_6, x_7, x_8, x_9, x_129);
 x_132 = lean_ctor_get(x_131, 0);
 lean_inc(x_132);
@@ -1751,12 +1432,6 @@ if (lean_obj_tag(x_133) == 0)
 {
 uint8_t x_134; 
 lean_dec(x_105);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_134 = !lean_is_exclusive(x_131);
 if (x_134 == 0)
 {
@@ -1898,14 +1573,8 @@ goto _start;
 default: 
 {
 lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_161 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_161 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 x_162 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_162, 0, x_161);
 lean_ctor_set(x_162, 1, x_16);
@@ -1919,14 +1588,8 @@ return x_163;
 else
 {
 lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_164 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1;
+x_164 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1;
 x_165 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_165, 0, x_164);
 lean_ctor_set(x_165, 1, x_3);
@@ -1955,12 +1618,6 @@ x_10 = l_Lean_Expr_hasExprMVar(x_2);
 if (x_10 == 0)
 {
 uint8_t x_11; lean_object* x_12; lean_object* x_13; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_2);
 x_11 = 1;
 x_12 = lean_box(x_11);
@@ -2162,12 +1819,6 @@ lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
 lean_inc(x_44);
 lean_dec(x_42);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_43);
 x_45 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_1, x_43, x_4, x_5, x_6, x_7, x_8, x_9, x_44);
 x_46 = lean_ctor_get(x_45, 0);
@@ -2392,12 +2043,6 @@ lean_inc(x_266);
 x_267 = lean_ctor_get(x_265, 1);
 lean_inc(x_267);
 lean_dec(x_265);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_266);
 x_268 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_1, x_266, x_4, x_5, x_6, x_7, x_8, x_9, x_267);
 x_269 = lean_ctor_get(x_268, 0);
@@ -3414,33 +3059,32 @@ return x_31;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_9; 
-x_9 = l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_9);
+lean_object* x_10; 
+x_10 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_2);
-return x_11;
+lean_dec(x_3);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
@@ -3448,6 +3092,12 @@ _start:
 {
 lean_object* x_11; 
 x_11 = l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_1);
 return x_11;
 }
@@ -3457,6 +3107,12 @@ _start:
 {
 lean_object* x_11; 
 x_11 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_1);
 return x_11;
 }
@@ -3466,6 +3122,12 @@ _start:
 {
 lean_object* x_10; 
 x_10 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
 return x_10;
 }
@@ -3873,12 +3535,6 @@ lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
 lean_inc(x_55);
 lean_dec(x_53);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
 lean_inc(x_54);
 x_56 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_54, x_10, x_11, x_12, x_13, x_14, x_15, x_55);
 x_57 = lean_ctor_get(x_56, 0);
@@ -4183,12 +3839,6 @@ lean_dec(x_1);
 x_32 = lean_ctor_get(x_26, 1);
 lean_inc(x_32);
 lean_dec(x_26);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
 lean_inc(x_4);
 x_33 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_32);
 x_34 = lean_ctor_get(x_33, 0);
@@ -4383,12 +4033,6 @@ lean_dec(x_1);
 x_80 = lean_ctor_get(x_74, 1);
 lean_inc(x_80);
 lean_dec(x_74);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
 lean_inc(x_4);
 x_81 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_80);
 x_82 = lean_ctor_get(x_81, 0);
@@ -16754,7 +16398,7 @@ return x_42;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
 x_43 = lean_ctor_get(x_29, 0);
 x_44 = lean_ctor_get(x_29, 1);
 x_45 = lean_ctor_get(x_29, 2);
@@ -16763,7 +16407,6 @@ x_47 = lean_ctor_get(x_29, 4);
 x_48 = lean_ctor_get(x_29, 5);
 x_49 = lean_ctor_get(x_29, 6);
 x_50 = lean_ctor_get(x_29, 7);
-x_51 = lean_ctor_get_uint8(x_29, sizeof(void*)*8);
 lean_inc(x_50);
 lean_inc(x_49);
 lean_inc(x_48);
@@ -16775,68 +16418,66 @@ lean_inc(x_43);
 lean_dec(x_29);
 lean_ctor_set(x_15, 2, x_23);
 lean_ctor_set(x_15, 1, x_20);
-x_52 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_46, x_1, x_15);
-x_53 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_53, 0, x_43);
-lean_ctor_set(x_53, 1, x_44);
-lean_ctor_set(x_53, 2, x_45);
-lean_ctor_set(x_53, 3, x_52);
-lean_ctor_set(x_53, 4, x_47);
-lean_ctor_set(x_53, 5, x_48);
-lean_ctor_set(x_53, 6, x_49);
-lean_ctor_set(x_53, 7, x_50);
-lean_ctor_set_uint8(x_53, sizeof(void*)*8, x_51);
-lean_ctor_set(x_28, 0, x_53);
-x_54 = lean_st_ref_set(x_5, x_28, x_30);
+x_51 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_46, x_1, x_15);
+x_52 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_52, 0, x_43);
+lean_ctor_set(x_52, 1, x_44);
+lean_ctor_set(x_52, 2, x_45);
+lean_ctor_set(x_52, 3, x_51);
+lean_ctor_set(x_52, 4, x_47);
+lean_ctor_set(x_52, 5, x_48);
+lean_ctor_set(x_52, 6, x_49);
+lean_ctor_set(x_52, 7, x_50);
+lean_ctor_set(x_28, 0, x_52);
+x_53 = lean_st_ref_set(x_5, x_28, x_30);
 lean_dec(x_5);
-x_55 = lean_ctor_get(x_54, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- x_56 = x_54;
+x_54 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+if (lean_is_exclusive(x_53)) {
+ lean_ctor_release(x_53, 0);
+ lean_ctor_release(x_53, 1);
+ x_55 = x_53;
 } else {
- lean_dec_ref(x_54);
- x_56 = lean_box(0);
+ lean_dec_ref(x_53);
+ x_55 = lean_box(0);
 }
-x_57 = lean_box(0);
-if (lean_is_scalar(x_56)) {
- x_58 = lean_alloc_ctor(0, 2, 0);
+x_56 = lean_box(0);
+if (lean_is_scalar(x_55)) {
+ x_57 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_58 = x_56;
+ x_57 = x_55;
 }
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_55);
-return x_58;
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_54);
+return x_57;
 }
 }
 else
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_59 = lean_ctor_get(x_28, 1);
-x_60 = lean_ctor_get(x_28, 2);
-x_61 = lean_ctor_get(x_28, 3);
-lean_inc(x_61);
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_58 = lean_ctor_get(x_28, 1);
+x_59 = lean_ctor_get(x_28, 2);
+x_60 = lean_ctor_get(x_28, 3);
 lean_inc(x_60);
 lean_inc(x_59);
+lean_inc(x_58);
 lean_dec(x_28);
-x_62 = lean_ctor_get(x_29, 0);
+x_61 = lean_ctor_get(x_29, 0);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_29, 1);
 lean_inc(x_62);
-x_63 = lean_ctor_get(x_29, 1);
+x_63 = lean_ctor_get(x_29, 2);
 lean_inc(x_63);
-x_64 = lean_ctor_get(x_29, 2);
+x_64 = lean_ctor_get(x_29, 3);
 lean_inc(x_64);
-x_65 = lean_ctor_get(x_29, 3);
+x_65 = lean_ctor_get(x_29, 4);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_29, 4);
+x_66 = lean_ctor_get(x_29, 5);
 lean_inc(x_66);
-x_67 = lean_ctor_get(x_29, 5);
+x_67 = lean_ctor_get(x_29, 6);
 lean_inc(x_67);
-x_68 = lean_ctor_get(x_29, 6);
+x_68 = lean_ctor_get(x_29, 7);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_29, 7);
-lean_inc(x_69);
-x_70 = lean_ctor_get_uint8(x_29, sizeof(void*)*8);
 if (lean_is_exclusive(x_29)) {
  lean_ctor_release(x_29, 0);
  lean_ctor_release(x_29, 1);
@@ -16846,74 +16487,73 @@ if (lean_is_exclusive(x_29)) {
  lean_ctor_release(x_29, 5);
  lean_ctor_release(x_29, 6);
  lean_ctor_release(x_29, 7);
- x_71 = x_29;
+ x_69 = x_29;
 } else {
  lean_dec_ref(x_29);
- x_71 = lean_box(0);
+ x_69 = lean_box(0);
 }
 lean_ctor_set(x_15, 2, x_23);
 lean_ctor_set(x_15, 1, x_20);
-x_72 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_65, x_1, x_15);
-if (lean_is_scalar(x_71)) {
- x_73 = lean_alloc_ctor(0, 8, 1);
+x_70 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_64, x_1, x_15);
+if (lean_is_scalar(x_69)) {
+ x_71 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_73 = x_71;
+ x_71 = x_69;
 }
-lean_ctor_set(x_73, 0, x_62);
-lean_ctor_set(x_73, 1, x_63);
-lean_ctor_set(x_73, 2, x_64);
-lean_ctor_set(x_73, 3, x_72);
-lean_ctor_set(x_73, 4, x_66);
-lean_ctor_set(x_73, 5, x_67);
-lean_ctor_set(x_73, 6, x_68);
-lean_ctor_set(x_73, 7, x_69);
-lean_ctor_set_uint8(x_73, sizeof(void*)*8, x_70);
-x_74 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_59);
-lean_ctor_set(x_74, 2, x_60);
-lean_ctor_set(x_74, 3, x_61);
-x_75 = lean_st_ref_set(x_5, x_74, x_30);
+lean_ctor_set(x_71, 0, x_61);
+lean_ctor_set(x_71, 1, x_62);
+lean_ctor_set(x_71, 2, x_63);
+lean_ctor_set(x_71, 3, x_70);
+lean_ctor_set(x_71, 4, x_65);
+lean_ctor_set(x_71, 5, x_66);
+lean_ctor_set(x_71, 6, x_67);
+lean_ctor_set(x_71, 7, x_68);
+x_72 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_72, 0, x_71);
+lean_ctor_set(x_72, 1, x_58);
+lean_ctor_set(x_72, 2, x_59);
+lean_ctor_set(x_72, 3, x_60);
+x_73 = lean_st_ref_set(x_5, x_72, x_30);
 lean_dec(x_5);
-x_76 = lean_ctor_get(x_75, 1);
-lean_inc(x_76);
-if (lean_is_exclusive(x_75)) {
- lean_ctor_release(x_75, 0);
- lean_ctor_release(x_75, 1);
+x_74 = lean_ctor_get(x_73, 1);
+lean_inc(x_74);
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ x_75 = x_73;
+} else {
+ lean_dec_ref(x_73);
+ x_75 = lean_box(0);
+}
+x_76 = lean_box(0);
+if (lean_is_scalar(x_75)) {
+ x_77 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_77 = x_75;
-} else {
- lean_dec_ref(x_75);
- x_77 = lean_box(0);
 }
-x_78 = lean_box(0);
-if (lean_is_scalar(x_77)) {
- x_79 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_79 = x_77;
-}
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_76);
-return x_79;
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_74);
+return x_77;
 }
 }
 else
 {
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
-x_80 = lean_ctor_get(x_15, 0);
-x_81 = lean_ctor_get(x_15, 1);
-x_82 = lean_ctor_get(x_15, 2);
-x_83 = lean_ctor_get(x_15, 3);
-x_84 = lean_ctor_get(x_15, 4);
-x_85 = lean_ctor_get_uint8(x_15, sizeof(void*)*7);
-x_86 = lean_ctor_get(x_15, 5);
-x_87 = lean_ctor_get(x_15, 6);
-lean_inc(x_87);
-lean_inc(x_86);
+lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+x_78 = lean_ctor_get(x_15, 0);
+x_79 = lean_ctor_get(x_15, 1);
+x_80 = lean_ctor_get(x_15, 2);
+x_81 = lean_ctor_get(x_15, 3);
+x_82 = lean_ctor_get(x_15, 4);
+x_83 = lean_ctor_get_uint8(x_15, sizeof(void*)*7);
+x_84 = lean_ctor_get(x_15, 5);
+x_85 = lean_ctor_get(x_15, 6);
+lean_inc(x_85);
 lean_inc(x_84);
-lean_inc(x_83);
 lean_inc(x_82);
 lean_inc(x_81);
 lean_inc(x_80);
+lean_inc(x_79);
+lean_inc(x_78);
 lean_dec(x_15);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -16921,136 +16561,134 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_88 = l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2(x_81, x_2, x_3, x_4, x_5, x_6, x_7, x_13);
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_88, 1);
-lean_inc(x_90);
-lean_dec(x_88);
-x_91 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_82, x_2, x_3, x_4, x_5, x_6, x_7, x_90);
+x_86 = l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2(x_79, x_2, x_3, x_4, x_5, x_6, x_7, x_13);
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+lean_dec(x_86);
+x_89 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_80, x_2, x_3, x_4, x_5, x_6, x_7, x_88);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_92 = lean_ctor_get(x_91, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 1);
-lean_inc(x_93);
-lean_dec(x_91);
-x_94 = lean_st_ref_get(x_7, x_93);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+x_92 = lean_st_ref_get(x_7, x_91);
 lean_dec(x_7);
-x_95 = lean_ctor_get(x_94, 1);
+x_93 = lean_ctor_get(x_92, 1);
+lean_inc(x_93);
+lean_dec(x_92);
+x_94 = lean_st_ref_take(x_5, x_93);
+x_95 = lean_ctor_get(x_94, 0);
 lean_inc(x_95);
-lean_dec(x_94);
-x_96 = lean_st_ref_take(x_5, x_95);
-x_97 = lean_ctor_get(x_96, 0);
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_94, 1);
 lean_inc(x_97);
-x_98 = lean_ctor_get(x_97, 0);
+lean_dec(x_94);
+x_98 = lean_ctor_get(x_95, 1);
 lean_inc(x_98);
-x_99 = lean_ctor_get(x_96, 1);
+x_99 = lean_ctor_get(x_95, 2);
 lean_inc(x_99);
-lean_dec(x_96);
-x_100 = lean_ctor_get(x_97, 1);
+x_100 = lean_ctor_get(x_95, 3);
 lean_inc(x_100);
-x_101 = lean_ctor_get(x_97, 2);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_97, 3);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ lean_ctor_release(x_95, 2);
+ lean_ctor_release(x_95, 3);
+ x_101 = x_95;
+} else {
+ lean_dec_ref(x_95);
+ x_101 = lean_box(0);
+}
+x_102 = lean_ctor_get(x_96, 0);
 lean_inc(x_102);
-if (lean_is_exclusive(x_97)) {
- lean_ctor_release(x_97, 0);
- lean_ctor_release(x_97, 1);
- lean_ctor_release(x_97, 2);
- lean_ctor_release(x_97, 3);
- x_103 = x_97;
-} else {
- lean_dec_ref(x_97);
- x_103 = lean_box(0);
-}
-x_104 = lean_ctor_get(x_98, 0);
+x_103 = lean_ctor_get(x_96, 1);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_96, 2);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_98, 1);
+x_105 = lean_ctor_get(x_96, 3);
 lean_inc(x_105);
-x_106 = lean_ctor_get(x_98, 2);
+x_106 = lean_ctor_get(x_96, 4);
 lean_inc(x_106);
-x_107 = lean_ctor_get(x_98, 3);
+x_107 = lean_ctor_get(x_96, 5);
 lean_inc(x_107);
-x_108 = lean_ctor_get(x_98, 4);
+x_108 = lean_ctor_get(x_96, 6);
 lean_inc(x_108);
-x_109 = lean_ctor_get(x_98, 5);
+x_109 = lean_ctor_get(x_96, 7);
 lean_inc(x_109);
-x_110 = lean_ctor_get(x_98, 6);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_98, 7);
-lean_inc(x_111);
-x_112 = lean_ctor_get_uint8(x_98, sizeof(void*)*8);
-if (lean_is_exclusive(x_98)) {
- lean_ctor_release(x_98, 0);
- lean_ctor_release(x_98, 1);
- lean_ctor_release(x_98, 2);
- lean_ctor_release(x_98, 3);
- lean_ctor_release(x_98, 4);
- lean_ctor_release(x_98, 5);
- lean_ctor_release(x_98, 6);
- lean_ctor_release(x_98, 7);
- x_113 = x_98;
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ lean_ctor_release(x_96, 2);
+ lean_ctor_release(x_96, 3);
+ lean_ctor_release(x_96, 4);
+ lean_ctor_release(x_96, 5);
+ lean_ctor_release(x_96, 6);
+ lean_ctor_release(x_96, 7);
+ x_110 = x_96;
 } else {
- lean_dec_ref(x_98);
- x_113 = lean_box(0);
+ lean_dec_ref(x_96);
+ x_110 = lean_box(0);
 }
-x_114 = lean_alloc_ctor(0, 7, 1);
-lean_ctor_set(x_114, 0, x_80);
-lean_ctor_set(x_114, 1, x_89);
-lean_ctor_set(x_114, 2, x_92);
-lean_ctor_set(x_114, 3, x_83);
-lean_ctor_set(x_114, 4, x_84);
-lean_ctor_set(x_114, 5, x_86);
-lean_ctor_set(x_114, 6, x_87);
-lean_ctor_set_uint8(x_114, sizeof(void*)*7, x_85);
-x_115 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_107, x_1, x_114);
-if (lean_is_scalar(x_113)) {
- x_116 = lean_alloc_ctor(0, 8, 1);
+x_111 = lean_alloc_ctor(0, 7, 1);
+lean_ctor_set(x_111, 0, x_78);
+lean_ctor_set(x_111, 1, x_87);
+lean_ctor_set(x_111, 2, x_90);
+lean_ctor_set(x_111, 3, x_81);
+lean_ctor_set(x_111, 4, x_82);
+lean_ctor_set(x_111, 5, x_84);
+lean_ctor_set(x_111, 6, x_85);
+lean_ctor_set_uint8(x_111, sizeof(void*)*7, x_83);
+x_112 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_105, x_1, x_111);
+if (lean_is_scalar(x_110)) {
+ x_113 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_116 = x_113;
+ x_113 = x_110;
 }
-lean_ctor_set(x_116, 0, x_104);
-lean_ctor_set(x_116, 1, x_105);
-lean_ctor_set(x_116, 2, x_106);
-lean_ctor_set(x_116, 3, x_115);
-lean_ctor_set(x_116, 4, x_108);
-lean_ctor_set(x_116, 5, x_109);
-lean_ctor_set(x_116, 6, x_110);
-lean_ctor_set(x_116, 7, x_111);
-lean_ctor_set_uint8(x_116, sizeof(void*)*8, x_112);
-if (lean_is_scalar(x_103)) {
- x_117 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_113, 0, x_102);
+lean_ctor_set(x_113, 1, x_103);
+lean_ctor_set(x_113, 2, x_104);
+lean_ctor_set(x_113, 3, x_112);
+lean_ctor_set(x_113, 4, x_106);
+lean_ctor_set(x_113, 5, x_107);
+lean_ctor_set(x_113, 6, x_108);
+lean_ctor_set(x_113, 7, x_109);
+if (lean_is_scalar(x_101)) {
+ x_114 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_117 = x_103;
+ x_114 = x_101;
 }
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_100);
-lean_ctor_set(x_117, 2, x_101);
-lean_ctor_set(x_117, 3, x_102);
-x_118 = lean_st_ref_set(x_5, x_117, x_99);
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_98);
+lean_ctor_set(x_114, 2, x_99);
+lean_ctor_set(x_114, 3, x_100);
+x_115 = lean_st_ref_set(x_5, x_114, x_97);
 lean_dec(x_5);
-x_119 = lean_ctor_get(x_118, 1);
-lean_inc(x_119);
-if (lean_is_exclusive(x_118)) {
- lean_ctor_release(x_118, 0);
- lean_ctor_release(x_118, 1);
- x_120 = x_118;
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
 } else {
- lean_dec_ref(x_118);
- x_120 = lean_box(0);
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
 }
-x_121 = lean_box(0);
-if (lean_is_scalar(x_120)) {
- x_122 = lean_alloc_ctor(0, 2, 0);
+x_118 = lean_box(0);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_122 = x_120;
+ x_119 = x_117;
 }
-lean_ctor_set(x_122, 0, x_121);
-lean_ctor_set(x_122, 1, x_119);
-return x_122;
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
 }
 }
 }
@@ -20459,10 +20097,10 @@ lean_dec_ref(res);
 res = initialize_Lean_Elab_Tactic_Basic(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1 = _init_l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1();
-lean_mark_persistent(l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___closed__1);
 l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1 = _init_l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1();
 lean_mark_persistent(l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__1);
+l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2 = _init_l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2();
+lean_mark_persistent(l_Lean_occursCheck_visitMVar___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__3___closed__2);
 l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1___closed__1 = _init_l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1___closed__1();
 lean_mark_persistent(l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1___closed__1);
 l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__2___closed__1 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__2___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Basic.c b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
index 24ae2409e9..bca42db26f 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Basic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
@@ -80,7 +80,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTactic_expandEval(lean_object*,
 static lean_object* l_Lean_Elab_Tactic_withCaseRef___rarg___closed__1;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_run___lambda__1___closed__1;
-LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Tactic_getMainTarget___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -156,6 +155,7 @@ lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_closeMainGoal___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTactic_eval(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Tactic_evalTactic_expandEval___spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instMonadTacticM___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_focus___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_mkInitialTacticInfo___elambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -173,7 +173,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_mkTacticInfo___boxed(lean_object*, l
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_orElse___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_withTacticInfoContext___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_log___at_Lean_Elab_Term_traceAtCmdPos___spec__2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_focusAndDone___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
@@ -199,7 +198,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_withInfoTreeContext___at_Lean_Elab_Tactic_w
 lean_object* l_Lean_Syntax_getId(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTactic_eval___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_saveTacticInfoForToken(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_admitGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_TacticM_runCore___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_instAlternativeTacticM___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -225,7 +223,6 @@ lean_object* l_Lean_FileMap_toPosition(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Tactic_tagUntaggedGoals___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instAlternativeTacticM___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_run(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instAlternativeMetaM;
 lean_object* l_Lean_Elab_mkElabAttribute___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortTactic___at_Lean_Elab_Tactic_done___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -243,6 +240,7 @@ LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Elab_Tactic_evalTactic_handle
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Basic_0__Lean_Elab_Tactic_TacticM_runCore(lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_InternalExceptionId_getName(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_Tactic_evalTactic_expandEval___spec__1___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -320,7 +318,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_tagUntaggedGoals(lean_object*, lean_
 lean_object* l_ReaderT_pure___at_Lean_Elab_liftMacroM___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Elab_Tactic_evalTactic_handleEx___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_withInfoTreeContext___at_Lean_Elab_Tactic_evalTactic_eval___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Tactic_evalTactic_handleEx___spec__4___closed__4;
 lean_object* l_Lean_instantiateMVarsCore(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_mkTacticAttribute___closed__13;
@@ -330,7 +327,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_instAlternativeTacticM___lambda__1__
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTacticAt(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_instAlternativeTacticM___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalTactic___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
@@ -1282,256 +1278,55 @@ lean_dec(x_2);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg___boxed), 4, 0);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg(x_7, x_8, x_9, x_10);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_11 = lean_st_ref_get(x_9, x_10);
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_st_ref_get(x_9, x_12);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_get(x_7, x_14);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
+x_13 = lean_st_ref_get(x_7, x_12);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_17 = lean_ctor_get(x_15, 0);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_ctor_get(x_18, 6);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_19, x_1);
-x_21 = lean_box(x_20);
-lean_ctor_set(x_15, 0, x_21);
-return x_15;
+lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = lean_ctor_get(x_16, 6);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_17, x_1);
+x_19 = lean_box(x_18);
+lean_ctor_set(x_13, 0, x_19);
+return x_13;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_22 = lean_ctor_get(x_15, 0);
-x_23 = lean_ctor_get(x_15, 1);
-lean_inc(x_23);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_20 = lean_ctor_get(x_13, 0);
+x_21 = lean_ctor_get(x_13, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_13);
+x_22 = lean_ctor_get(x_20, 0);
 lean_inc(x_22);
-lean_dec(x_15);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_22, 6);
+lean_inc(x_23);
 lean_dec(x_22);
-x_25 = lean_ctor_get(x_24, 6);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_25, x_1);
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_23);
-return x_28;
+x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_23, x_1);
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_21);
+return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -1641,7 +1436,7 @@ x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
 lean_dec(x_10);
 x_13 = lean_box(0);
-x_14 = l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3(x_11, x_13, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_14 = l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(x_11, x_13, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_14, 1);
@@ -1652,30 +1447,6 @@ x_18 = l_Lean_Elab_Tactic_setGoals(x_17, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8,
 return x_18;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_markUsedAssignment___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -1692,11 +1463,11 @@ lean_dec(x_2);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
-x_12 = l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_12 = l_List_filterAuxM___at_Lean_Elab_Tactic_pruneSolvedGoals___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -12466,48 +12237,45 @@ lean_dec(x_19);
 x_20 = !lean_is_exclusive(x_16);
 if (x_20 == 0)
 {
-lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; uint8_t x_25; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
 x_21 = lean_ctor_get(x_16, 6);
 x_22 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_21, x_1, x_2);
-x_23 = 1;
 lean_ctor_set(x_16, 6, x_22);
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_23);
-x_24 = lean_st_ref_set(x_8, x_15, x_17);
-x_25 = !lean_is_exclusive(x_24);
-if (x_25 == 0)
+x_23 = lean_st_ref_set(x_8, x_15, x_17);
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
 {
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_ctor_get(x_24, 0);
-lean_dec(x_26);
-x_27 = lean_box(0);
-lean_ctor_set(x_24, 0, x_27);
-return x_24;
+lean_object* x_25; lean_object* x_26; 
+x_25 = lean_ctor_get(x_23, 0);
+lean_dec(x_25);
+x_26 = lean_box(0);
+lean_ctor_set(x_23, 0, x_26);
+return x_23;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-lean_dec(x_24);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_23, 1);
+lean_inc(x_27);
+lean_dec(x_23);
+x_28 = lean_box(0);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_27);
+return x_29;
 }
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_31 = lean_ctor_get(x_16, 0);
-x_32 = lean_ctor_get(x_16, 1);
-x_33 = lean_ctor_get(x_16, 2);
-x_34 = lean_ctor_get(x_16, 3);
-x_35 = lean_ctor_get(x_16, 4);
-x_36 = lean_ctor_get(x_16, 5);
-x_37 = lean_ctor_get(x_16, 6);
-x_38 = lean_ctor_get(x_16, 7);
-lean_inc(x_38);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_30 = lean_ctor_get(x_16, 0);
+x_31 = lean_ctor_get(x_16, 1);
+x_32 = lean_ctor_get(x_16, 2);
+x_33 = lean_ctor_get(x_16, 3);
+x_34 = lean_ctor_get(x_16, 4);
+x_35 = lean_ctor_get(x_16, 5);
+x_36 = lean_ctor_get(x_16, 6);
+x_37 = lean_ctor_get(x_16, 7);
 lean_inc(x_37);
 lean_inc(x_36);
 lean_inc(x_35);
@@ -12515,68 +12283,67 @@ lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
+lean_inc(x_30);
 lean_dec(x_16);
-x_39 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_37, x_1, x_2);
-x_40 = 1;
-x_41 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_41, 0, x_31);
-lean_ctor_set(x_41, 1, x_32);
-lean_ctor_set(x_41, 2, x_33);
-lean_ctor_set(x_41, 3, x_34);
-lean_ctor_set(x_41, 4, x_35);
-lean_ctor_set(x_41, 5, x_36);
-lean_ctor_set(x_41, 6, x_39);
-lean_ctor_set(x_41, 7, x_38);
-lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_40);
-lean_ctor_set(x_15, 0, x_41);
-x_42 = lean_st_ref_set(x_8, x_15, x_17);
-x_43 = lean_ctor_get(x_42, 1);
-lean_inc(x_43);
-if (lean_is_exclusive(x_42)) {
- lean_ctor_release(x_42, 0);
- lean_ctor_release(x_42, 1);
+x_38 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_36, x_1, x_2);
+x_39 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_39, 0, x_30);
+lean_ctor_set(x_39, 1, x_31);
+lean_ctor_set(x_39, 2, x_32);
+lean_ctor_set(x_39, 3, x_33);
+lean_ctor_set(x_39, 4, x_34);
+lean_ctor_set(x_39, 5, x_35);
+lean_ctor_set(x_39, 6, x_38);
+lean_ctor_set(x_39, 7, x_37);
+lean_ctor_set(x_15, 0, x_39);
+x_40 = lean_st_ref_set(x_8, x_15, x_17);
+x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_42 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_42 = lean_box(0);
+}
+x_43 = lean_box(0);
+if (lean_is_scalar(x_42)) {
+ x_44 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_44 = x_42;
-} else {
- lean_dec_ref(x_42);
- x_44 = lean_box(0);
 }
-x_45 = lean_box(0);
-if (lean_is_scalar(x_44)) {
- x_46 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_46 = x_44;
-}
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_43);
-return x_46;
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_41);
+return x_44;
 }
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_47 = lean_ctor_get(x_15, 1);
-x_48 = lean_ctor_get(x_15, 2);
-x_49 = lean_ctor_get(x_15, 3);
-lean_inc(x_49);
-lean_inc(x_48);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_45 = lean_ctor_get(x_15, 1);
+x_46 = lean_ctor_get(x_15, 2);
+x_47 = lean_ctor_get(x_15, 3);
 lean_inc(x_47);
+lean_inc(x_46);
+lean_inc(x_45);
 lean_dec(x_15);
-x_50 = lean_ctor_get(x_16, 0);
+x_48 = lean_ctor_get(x_16, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_16, 1);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_16, 2);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_16, 1);
+x_51 = lean_ctor_get(x_16, 3);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_16, 2);
+x_52 = lean_ctor_get(x_16, 4);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_16, 3);
+x_53 = lean_ctor_get(x_16, 5);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_16, 4);
+x_54 = lean_ctor_get(x_16, 6);
 lean_inc(x_54);
-x_55 = lean_ctor_get(x_16, 5);
+x_55 = lean_ctor_get(x_16, 7);
 lean_inc(x_55);
-x_56 = lean_ctor_get(x_16, 6);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_16, 7);
-lean_inc(x_57);
 if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 0);
  lean_ctor_release(x_16, 1);
@@ -12586,52 +12353,50 @@ if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 5);
  lean_ctor_release(x_16, 6);
  lean_ctor_release(x_16, 7);
- x_58 = x_16;
+ x_56 = x_16;
 } else {
  lean_dec_ref(x_16);
- x_58 = lean_box(0);
+ x_56 = lean_box(0);
 }
-x_59 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_56, x_1, x_2);
-x_60 = 1;
-if (lean_is_scalar(x_58)) {
- x_61 = lean_alloc_ctor(0, 8, 1);
+x_57 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_54, x_1, x_2);
+if (lean_is_scalar(x_56)) {
+ x_58 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_61 = x_58;
+ x_58 = x_56;
 }
-lean_ctor_set(x_61, 0, x_50);
-lean_ctor_set(x_61, 1, x_51);
-lean_ctor_set(x_61, 2, x_52);
-lean_ctor_set(x_61, 3, x_53);
-lean_ctor_set(x_61, 4, x_54);
-lean_ctor_set(x_61, 5, x_55);
-lean_ctor_set(x_61, 6, x_59);
-lean_ctor_set(x_61, 7, x_57);
-lean_ctor_set_uint8(x_61, sizeof(void*)*8, x_60);
-x_62 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_47);
-lean_ctor_set(x_62, 2, x_48);
-lean_ctor_set(x_62, 3, x_49);
-x_63 = lean_st_ref_set(x_8, x_62, x_17);
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_65 = x_63;
+lean_ctor_set(x_58, 0, x_48);
+lean_ctor_set(x_58, 1, x_49);
+lean_ctor_set(x_58, 2, x_50);
+lean_ctor_set(x_58, 3, x_51);
+lean_ctor_set(x_58, 4, x_52);
+lean_ctor_set(x_58, 5, x_53);
+lean_ctor_set(x_58, 6, x_57);
+lean_ctor_set(x_58, 7, x_55);
+x_59 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_59, 0, x_58);
+lean_ctor_set(x_59, 1, x_45);
+lean_ctor_set(x_59, 2, x_46);
+lean_ctor_set(x_59, 3, x_47);
+x_60 = lean_st_ref_set(x_8, x_59, x_17);
+x_61 = lean_ctor_get(x_60, 1);
+lean_inc(x_61);
+if (lean_is_exclusive(x_60)) {
+ lean_ctor_release(x_60, 0);
+ lean_ctor_release(x_60, 1);
+ x_62 = x_60;
 } else {
- lean_dec_ref(x_63);
- x_65 = lean_box(0);
+ lean_dec_ref(x_60);
+ x_62 = lean_box(0);
 }
-x_66 = lean_box(0);
-if (lean_is_scalar(x_65)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
+x_63 = lean_box(0);
+if (lean_is_scalar(x_62)) {
+ x_64 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_67 = x_65;
+ x_64 = x_62;
 }
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_64);
-return x_67;
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_61);
+return x_64;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c b/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
index 922625c8a1..eda121f148 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/BuiltinTactic.c
@@ -103,11 +103,13 @@ lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* lean_io_error_to_string(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRevert___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_renameInaccessibles___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2;
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at_Lean_Elab_Tactic_evalOpen___spec__25___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSubstVars_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalChoiceAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace_declRange___closed__1;
+static lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1;
 static lean_object* l_Lean_Elab_Tactic_evalIntro___closed__13;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace___closed__1;
 lean_object* l_List_mapTRAux___at_Lean_resolveGlobalConstCore___spec__2(lean_object*, lean_object*);
@@ -638,7 +640,6 @@ lean_object* l_panic___at___private_Init_Prelude_0__Lean_assembleParts___spec__1
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_elabOpenOnly___at_Lean_Elab_Tactic_evalOpen___spec__21(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FileMap_toPosition(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at_Lean_Elab_Tactic_renameInaccessibles___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalOpen___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
@@ -668,7 +669,6 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Tactic_evalSeq1___spec
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAllGoals_declRange___closed__1;
 static lean_object* l_Lean_Elab_Tactic_evalAnyGoals___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalContradiction___closed__5;
-static lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2;
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSeq1___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange___closed__4;
@@ -706,11 +706,13 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange___clo
 extern lean_object* l_Lean_NameSet_empty;
 extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRotateLeft___closed__5;
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown_declRange___closed__3;
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithAnnotateState___closed__6;
 static lean_object* l_Lean_Elab_Tactic_evalSubstVars___rarg___closed__1;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_elabSetOption___at_Lean_Elab_Tactic_elabSetOption___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at_Lean_Elab_Tactic_renameInaccessibles___spec__11(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown_declRange___closed__7;
@@ -733,6 +735,7 @@ lean_object* l_ReaderT_pure___at_Lean_Elab_Tactic_saveTacticInfoForToken___spec_
 lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalTactic_throwExs___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRevert(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFocus(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalWithAnnotateState___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalParen___closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalClear___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -767,7 +770,6 @@ lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_addCheckpoints_push___closed__11;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSleep(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalUnknown___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSeq1_declRange___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeq___closed__4;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__2___closed__1;
@@ -775,7 +777,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalContradiction(lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSeq1(lean_object*);
 lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
-static lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRotateRight___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalAnyGoals___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_OpenDecl_resolveId___at_Lean_Elab_Tactic_evalOpen___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -897,6 +898,7 @@ static lean_object* l_Lean_Elab_Tactic_evalWithAnnotateState___closed__7;
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalTacticSeq1Indented_declRange___closed__1;
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at_Lean_Elab_Tactic_evalOpen___spec__25___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_evalFailIfSuccess___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at_Lean_Elab_Tactic_renameInaccessibles___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalChoiceAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Open_0__Lean_Elab_OpenDecl_resolveNameUsingNamespacesCore___at_Lean_Elab_Tactic_evalOpen___spec__22___closed__4;
@@ -4515,14 +4517,13 @@ x_1 = l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__2___closed
 x_2 = l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__2___closed__7;
 x_3 = l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__2___closed__8;
 x_4 = l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalOpen___spec__2___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -13485,7 +13486,16 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_evalFailIfSuccess___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_apply_2(x_1, x_2, x_3);
+x_12 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_12;
+}
+}
+static lean_object* _init_l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -13493,27 +13503,25 @@ x_1 = lean_mk_string_from_bytes("tactic succeeded", 16);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2() {
+static lean_object* _init_l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1;
+x_1 = l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_11; lean_object* x_12; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_18 = lean_unsigned_to_nat(1u);
-x_19 = l_Lean_Syntax_getArg(x_1, x_18);
-x_20 = l_Lean_Elab_Tactic_saveState___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
+uint8_t x_11; lean_object* x_12; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = l_Lean_Elab_Tactic_saveState___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
@@ -13522,38 +13530,38 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_23 = l_Lean_Elab_Tactic_evalTactic(x_19, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_22);
-if (lean_obj_tag(x_23) == 0)
+x_21 = l_Lean_Elab_Tactic_evalTactic(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_24; uint8_t x_25; 
+lean_object* x_22; uint8_t x_23; 
+lean_dec(x_19);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
 lean_dec(x_21);
-x_24 = lean_ctor_get(x_23, 1);
-lean_inc(x_24);
-lean_dec(x_23);
-x_25 = 1;
-x_11 = x_25;
-x_12 = x_24;
+x_23 = 1;
+x_11 = x_23;
+x_12 = x_22;
 goto block_17;
 }
 else
 {
-lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_27 = 0;
+lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; 
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+lean_dec(x_21);
+x_25 = 0;
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_28 = l_Lean_Elab_Tactic_SavedState_restore(x_21, x_27, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_26);
-x_29 = lean_ctor_get(x_28, 1);
-lean_inc(x_29);
-lean_dec(x_28);
-x_11 = x_27;
-x_12 = x_29;
+x_26 = l_Lean_Elab_Tactic_SavedState_restore(x_19, x_25, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_24);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_11 = x_25;
+x_12 = x_27;
 goto block_17;
 }
 block_17:
@@ -13578,7 +13586,7 @@ return x_14;
 else
 {
 lean_object* x_15; lean_object* x_16; 
-x_15 = l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2;
+x_15 = l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2;
 x_16 = l_Lean_throwError___at_Lean_Elab_Tactic_evalTactic_throwExs___spec__2(x_15, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_12);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -13593,13 +13601,19 @@ return x_16;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; 
-x_11 = l_Lean_Elab_Tactic_evalFailIfSuccess(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = l_Lean_Syntax_getArg(x_1, x_11);
 lean_dec(x_1);
-return x_11;
+x_13 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1), 10, 1);
+lean_closure_set(x_13, 0, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_withoutRecover___rarg), 10, 1);
+lean_closure_set(x_14, 0, x_13);
+x_15 = l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_evalFailIfSuccess___spec__1(x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_15;
 }
 }
 static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__1() {
@@ -13642,7 +13656,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___cl
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalFailIfSuccess___boxed), 10, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalFailIfSuccess), 10, 0);
 return x_1;
 }
 }
@@ -13674,8 +13688,8 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(172u);
-x_2 = lean_unsigned_to_nat(33u);
+x_1 = lean_unsigned_to_nat(173u);
+x_2 = lean_unsigned_to_nat(35u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -13689,7 +13703,7 @@ lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_obj
 x_1 = l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess_declRange___closed__1;
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess_declRange___closed__2;
-x_4 = lean_unsigned_to_nat(33u);
+x_4 = lean_unsigned_to_nat(35u);
 x_5 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
@@ -14175,7 +14189,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceState_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(174u);
+x_1 = lean_unsigned_to_nat(175u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14187,7 +14201,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceState_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(176u);
+x_1 = lean_unsigned_to_nat(177u);
 x_2 = lean_unsigned_to_nat(60u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14215,7 +14229,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceState_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(174u);
+x_1 = lean_unsigned_to_nat(175u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14227,7 +14241,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceState_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(174u);
+x_1 = lean_unsigned_to_nat(175u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14486,7 +14500,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceMessage_declR
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(178u);
+x_1 = lean_unsigned_to_nat(179u);
 x_2 = lean_unsigned_to_nat(30u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14498,7 +14512,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceMessage_declR
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(181u);
+x_1 = lean_unsigned_to_nat(182u);
 x_2 = lean_unsigned_to_nat(49u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14526,7 +14540,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceMessage_declR
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(178u);
+x_1 = lean_unsigned_to_nat(179u);
 x_2 = lean_unsigned_to_nat(34u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14538,7 +14552,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalTraceMessage_declR
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(178u);
+x_1 = lean_unsigned_to_nat(179u);
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14824,7 +14838,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalAssumption_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(183u);
+x_1 = lean_unsigned_to_nat(184u);
 x_2 = lean_unsigned_to_nat(47u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14836,7 +14850,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalAssumption_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(184u);
+x_1 = lean_unsigned_to_nat(185u);
 x_2 = lean_unsigned_to_nat(60u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14864,7 +14878,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalAssumption_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(183u);
+x_1 = lean_unsigned_to_nat(184u);
 x_2 = lean_unsigned_to_nat(51u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14876,7 +14890,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalAssumption_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(183u);
+x_1 = lean_unsigned_to_nat(184u);
 x_2 = lean_unsigned_to_nat(65u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -14963,7 +14977,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_14 = l_Lean_Meta_contradiction(x_11, x_13, x_5, x_6, x_7, x_8, x_12);
+x_14 = l_Lean_MVarId_contradiction(x_11, x_13, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_14) == 0)
 {
 lean_object* x_15; lean_object* x_16; lean_object* x_17; 
@@ -15178,7 +15192,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalContradiction_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(186u);
+x_1 = lean_unsigned_to_nat(187u);
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15190,8 +15204,8 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalContradiction_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(187u);
-x_2 = lean_unsigned_to_nat(68u);
+x_1 = lean_unsigned_to_nat(188u);
+x_2 = lean_unsigned_to_nat(63u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -15205,7 +15219,7 @@ lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_obj
 x_1 = l___regBuiltin_Lean_Elab_Tactic_evalContradiction_declRange___closed__1;
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = l___regBuiltin_Lean_Elab_Tactic_evalContradiction_declRange___closed__2;
-x_4 = lean_unsigned_to_nat(68u);
+x_4 = lean_unsigned_to_nat(63u);
 x_5 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
@@ -15218,7 +15232,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalContradiction_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(186u);
+x_1 = lean_unsigned_to_nat(187u);
 x_2 = lean_unsigned_to_nat(54u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15230,7 +15244,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalContradiction_decl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(186u);
+x_1 = lean_unsigned_to_nat(187u);
 x_2 = lean_unsigned_to_nat(71u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15516,7 +15530,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRefl_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(189u);
+x_1 = lean_unsigned_to_nat(190u);
 x_2 = lean_unsigned_to_nat(41u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15528,7 +15542,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRefl_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(190u);
+x_1 = lean_unsigned_to_nat(191u);
 x_2 = lean_unsigned_to_nat(54u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15556,7 +15570,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRefl_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(189u);
+x_1 = lean_unsigned_to_nat(190u);
 x_2 = lean_unsigned_to_nat(45u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -15568,7 +15582,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRefl_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(189u);
+x_1 = lean_unsigned_to_nat(190u);
 x_2 = lean_unsigned_to_nat(53u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16741,7 +16755,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntro_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(192u);
+x_1 = lean_unsigned_to_nat(193u);
 x_2 = lean_unsigned_to_nat(42u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16753,7 +16767,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntro_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(207u);
+x_1 = lean_unsigned_to_nat(208u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16781,7 +16795,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntro_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(192u);
+x_1 = lean_unsigned_to_nat(193u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -16793,7 +16807,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntro_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(192u);
+x_1 = lean_unsigned_to_nat(193u);
 x_2 = lean_unsigned_to_nat(55u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17044,7 +17058,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(209u);
+x_1 = lean_unsigned_to_nat(210u);
 x_2 = lean_unsigned_to_nat(47u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17056,7 +17070,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(212u);
+x_1 = lean_unsigned_to_nat(213u);
 x_2 = lean_unsigned_to_nat(52u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17084,7 +17098,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(209u);
+x_1 = lean_unsigned_to_nat(210u);
 x_2 = lean_unsigned_to_nat(51u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17096,7 +17110,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntroMatch_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(209u);
+x_1 = lean_unsigned_to_nat(210u);
 x_2 = lean_unsigned_to_nat(65u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17957,7 +17971,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntros_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(214u);
+x_1 = lean_unsigned_to_nat(215u);
 x_2 = lean_unsigned_to_nat(26u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17969,7 +17983,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntros_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(226u);
+x_1 = lean_unsigned_to_nat(227u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -17997,7 +18011,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntros_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(214u);
+x_1 = lean_unsigned_to_nat(215u);
 x_2 = lean_unsigned_to_nat(30u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18009,7 +18023,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalIntros_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(214u);
+x_1 = lean_unsigned_to_nat(215u);
 x_2 = lean_unsigned_to_nat(40u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18300,7 +18314,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(228u);
+x_1 = lean_unsigned_to_nat(229u);
 x_2 = lean_unsigned_to_nat(43u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18312,7 +18326,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(233u);
+x_1 = lean_unsigned_to_nat(234u);
 x_2 = lean_unsigned_to_nat(51u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18340,7 +18354,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(228u);
+x_1 = lean_unsigned_to_nat(229u);
 x_2 = lean_unsigned_to_nat(47u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18352,7 +18366,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRevert_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(228u);
+x_1 = lean_unsigned_to_nat(229u);
 x_2 = lean_unsigned_to_nat(57u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18850,7 +18864,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(235u);
+x_1 = lean_unsigned_to_nat(236u);
 x_2 = lean_unsigned_to_nat(42u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18862,7 +18876,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(244u);
+x_1 = lean_unsigned_to_nat(245u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18890,7 +18904,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(235u);
+x_1 = lean_unsigned_to_nat(236u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -18902,7 +18916,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalClear_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(235u);
+x_1 = lean_unsigned_to_nat(236u);
 x_2 = lean_unsigned_to_nat(55u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19376,7 +19390,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(253u);
+x_1 = lean_unsigned_to_nat(254u);
 x_2 = lean_unsigned_to_nat(42u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19388,7 +19402,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(256u);
+x_1 = lean_unsigned_to_nat(257u);
 x_2 = lean_unsigned_to_nat(51u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19416,7 +19430,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(253u);
+x_1 = lean_unsigned_to_nat(254u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19428,7 +19442,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(253u);
+x_1 = lean_unsigned_to_nat(254u);
 x_2 = lean_unsigned_to_nat(55u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19719,7 +19733,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubstVars_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(258u);
+x_1 = lean_unsigned_to_nat(259u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19731,7 +19745,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubstVars_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(259u);
+x_1 = lean_unsigned_to_nat(260u);
 x_2 = lean_unsigned_to_nat(58u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19759,7 +19773,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubstVars_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(258u);
+x_1 = lean_unsigned_to_nat(259u);
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -19771,7 +19785,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSubstVars_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(258u);
+x_1 = lean_unsigned_to_nat(259u);
 x_2 = lean_unsigned_to_nat(63u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25307,7 +25321,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(316u);
+x_1 = lean_unsigned_to_nat(317u);
 x_2 = lean_unsigned_to_nat(24u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25319,7 +25333,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(325u);
+x_1 = lean_unsigned_to_nat(326u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25347,7 +25361,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(316u);
+x_1 = lean_unsigned_to_nat(317u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25359,7 +25373,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(316u);
+x_1 = lean_unsigned_to_nat(317u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25840,7 +25854,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(327u);
+x_1 = lean_unsigned_to_nat(328u);
 x_2 = lean_unsigned_to_nat(25u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25852,7 +25866,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(338u);
+x_1 = lean_unsigned_to_nat(339u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25880,7 +25894,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(327u);
+x_1 = lean_unsigned_to_nat(328u);
 x_2 = lean_unsigned_to_nat(29u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -25892,7 +25906,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalCase_x27_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(327u);
+x_1 = lean_unsigned_to_nat(328u);
 x_2 = lean_unsigned_to_nat(38u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26134,7 +26148,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessible
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(340u);
+x_1 = lean_unsigned_to_nat(341u);
 x_2 = lean_unsigned_to_nat(27u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26146,7 +26160,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessible
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(342u);
+x_1 = lean_unsigned_to_nat(343u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26174,7 +26188,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessible
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(340u);
+x_1 = lean_unsigned_to_nat(341u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26186,7 +26200,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalRenameInaccessible
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(340u);
+x_1 = lean_unsigned_to_nat(341u);
 x_2 = lean_unsigned_to_nat(54u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26593,7 +26607,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(344u);
+x_1 = lean_unsigned_to_nat(345u);
 x_2 = lean_unsigned_to_nat(33u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26605,7 +26619,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(353u);
+x_1 = lean_unsigned_to_nat(354u);
 x_2 = lean_unsigned_to_nat(48u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26633,7 +26647,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(344u);
+x_1 = lean_unsigned_to_nat(345u);
 x_2 = lean_unsigned_to_nat(37u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26645,7 +26659,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFirst_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(344u);
+x_1 = lean_unsigned_to_nat(345u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26943,7 +26957,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(355u);
+x_1 = lean_unsigned_to_nat(356u);
 x_2 = lean_unsigned_to_nat(24u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26955,7 +26969,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(361u);
+x_1 = lean_unsigned_to_nat(362u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26983,7 +26997,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(355u);
+x_1 = lean_unsigned_to_nat(356u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -26995,7 +27009,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalFail_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(355u);
+x_1 = lean_unsigned_to_nat(356u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27181,7 +27195,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(363u);
+x_1 = lean_unsigned_to_nat(364u);
 x_2 = lean_unsigned_to_nat(26u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27193,7 +27207,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(366u);
+x_1 = lean_unsigned_to_nat(367u);
 x_2 = lean_unsigned_to_nat(29u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27221,7 +27235,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(363u);
+x_1 = lean_unsigned_to_nat(364u);
 x_2 = lean_unsigned_to_nat(30u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27233,7 +27247,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalDbgTrace_declRange
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(363u);
+x_1 = lean_unsigned_to_nat(364u);
 x_2 = lean_unsigned_to_nat(42u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27452,7 +27466,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSleep_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(368u);
+x_1 = lean_unsigned_to_nat(369u);
 x_2 = lean_unsigned_to_nat(23u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27464,7 +27478,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSleep_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(371u);
+x_1 = lean_unsigned_to_nat(372u);
 x_2 = lean_unsigned_to_nat(35u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27492,7 +27506,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSleep_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(368u);
+x_1 = lean_unsigned_to_nat(369u);
 x_2 = lean_unsigned_to_nat(27u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -27504,7 +27518,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalSleep_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(368u);
+x_1 = lean_unsigned_to_nat(369u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -28263,10 +28277,10 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalUnknown_declRange___clo
 res = l___regBuiltin_Lean_Elab_Tactic_evalUnknown_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1 = _init_l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1();
-lean_mark_persistent(l_Lean_Elab_Tactic_evalFailIfSuccess___closed__1);
-l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2 = _init_l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2();
-lean_mark_persistent(l_Lean_Elab_Tactic_evalFailIfSuccess___closed__2);
+l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1 = _init_l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__1);
+l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2 = _init_l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_Elab_Tactic_evalFailIfSuccess___lambda__1___closed__2);
 l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__1 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__1();
 lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__1);
 l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__2 = _init_l___regBuiltin_Lean_Elab_Tactic_evalFailIfSuccess___closed__2();
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Calc.c b/stage0/stdlib/Lean/Elab/Tactic/Calc.c
index d56ad7bc6c..08611612a1 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Calc.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Calc.c
@@ -31,11 +31,13 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__5;
 static lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__2___closed__10;
 lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalCalc(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc_declRange___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__8;
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__9;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__4;
@@ -51,7 +53,6 @@ extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalTactic___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__2___closed__8;
@@ -74,7 +75,6 @@ lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_obje
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc_declRange(lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_replaceMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -82,6 +82,7 @@ lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_objec
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc___closed__10;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCalc_declRange___closed__4;
+lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_elabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalCalc___lambda__2___closed__6;
@@ -200,6 +201,14 @@ lean_dec(x_1);
 return x_9;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Elab_Tactic_elabCalcSteps_go(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_11;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -208,27 +217,30 @@ x_11 = lean_ctor_get_uint8(x_2, sizeof(void*)*1);
 if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; 
-x_12 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_elabCalcSteps_go___boxed), 8, 1);
+x_12 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_elabCalcSteps___lambda__1___boxed), 10, 1);
 lean_closure_set(x_12, 0, x_1);
-x_13 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_12, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_13 = l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_elabTerm___spec__1(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 return x_13;
 }
 else
 {
 lean_object* x_14; 
+lean_dec(x_3);
+lean_dec(x_2);
 x_14 = l_Lean_Elab_Tactic_elabCalcSteps_go(x_1, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_1);
 return x_14;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCalcSteps___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; 
-x_11 = l_Lean_Elab_Tactic_elabCalcSteps(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_11 = l_Lean_Elab_Tactic_elabCalcSteps___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
 return x_11;
 }
 }
@@ -377,6 +389,8 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
 x_11 = l_Lean_Elab_Tactic_elabCalcSteps(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 if (lean_obj_tag(x_11) == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Conv/Basic.c b/stage0/stdlib/Lean/Elab/Tactic/Conv/Basic.c
index 4146c67e31..10c84f9c6b 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Conv/Basic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Conv/Basic.c
@@ -142,7 +142,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalConvSeqBracketed___
 static lean_object* l_Lean_Elab_Tactic_Conv_evalConvSeqBracketed___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalConvSeqBracketed_declRange(lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalNestedTactic_declRange___closed__6;
 lean_object* l___private_Lean_Meta_Tactic_Replace_0__Lean_Meta_replaceLocalDeclCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalConvConvSeq_declRange___closed__7;
@@ -203,6 +202,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalWhnf___closed__9;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalZeta___closed__1;
 static lean_object* l_Lean_Elab_Tactic_Conv_evalConvSeqBracketed___lambda__2___closed__3;
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalConvSeqBracketed_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalNestedTactic_declRange___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalConv_declRange___closed__4;
@@ -748,7 +748,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_19 = l_Lean_Meta_applyRefl(x_13, x_18, x_7, x_8, x_9, x_10, x_17);
+x_19 = l_Lean_MVarId_applyRefl(x_13, x_18, x_7, x_8, x_9, x_10, x_17);
 if (lean_obj_tag(x_19) == 0)
 {
 lean_object* x_20; lean_object* x_21; 
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Conv/Change.c b/stage0/stdlib/Lean/Elab/Tactic/Conv/Change.c
index a29968cb36..3db95a715c 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Conv/Change.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Conv/Change.c
@@ -301,6 +301,8 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
 x_31 = l_Lean_Elab_Tactic_elabTermEnsuringType(x_15, x_29, x_30, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_28);
 if (lean_obj_tag(x_31) == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Conv/Congr.c b/stage0/stdlib/Lean/Elab/Tactic/Conv/Congr.c
index 343f8c3e32..615665fd95 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Conv/Congr.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Conv/Congr.c
@@ -120,7 +120,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalRhs_declRange___clo
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalRhs_declRange___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_Conv_evalArg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Tactic_Conv_Congr_0__Lean_Elab_Tactic_Conv_selectIdx___lambda__1___closed__4;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalCongr___closed__10;
@@ -157,6 +156,7 @@ lean_object* l_Lean_Elab_Tactic_Conv_markAsConvGoal(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_Conv_extLetBodyCongr_x3f___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_Conv_extLetBodyCongr_x3f___lambda__3___closed__3;
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Tactic_Conv_Congr_0__Lean_Elab_Tactic_Conv_congrImplies___closed__3;
 lean_object* l_Lean_MVarId_apply(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3246,7 +3246,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_30 = l_Lean_Meta_applyRefl(x_27, x_29, x_8, x_9, x_10, x_11, x_12);
+x_30 = l_Lean_MVarId_applyRefl(x_27, x_29, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_30) == 0)
 {
 lean_object* x_31; 
@@ -3326,7 +3326,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_44 = l_Lean_Meta_applyRefl(x_41, x_43, x_8, x_9, x_10, x_11, x_12);
+x_44 = l_Lean_MVarId_applyRefl(x_41, x_43, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_44) == 0)
 {
 lean_object* x_45; 
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Conv/Pattern.c b/stage0/stdlib/Lean/Elab/Tactic/Conv/Pattern.c
index 3169d92035..d143e8a6cf 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Conv/Pattern.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Conv/Pattern.c
@@ -49,7 +49,6 @@ lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_Conv_evalPattern___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_Simp_neutralConfig;
 lean_object* l_Lean_Meta_abstractMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Simp_main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
@@ -63,14 +62,17 @@ lean_object* l_Lean_Meta_isExprDefEqGuarded(lean_object*, lean_object*, lean_obj
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Conv_Pattern_0__Lean_Elab_Tactic_Conv_findPattern_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_Conv_matchPattern_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_toHeadIndex(lean_object*);
 lean_object* l_Lean_Elab_Tactic_Conv_getLhs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_evalTactic_throwExs___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Conv_Pattern_0__Lean_Elab_Tactic_Conv_findPattern_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Conv_Pattern_0__Lean_Elab_Tactic_Conv_findPattern_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_Conv_evalPattern___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_Conv_evalPattern___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalPattern___closed__2;
 uint8_t l___private_Lean_HeadIndex_0__Lean_beqHeadIndex____x40_Lean_HeadIndex___hyg_66_(lean_object*, lean_object*);
@@ -93,7 +95,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Conv_Pattern_0__Lean_Elab_
 static lean_object* l_Lean_Elab_Tactic_Conv_evalPattern___lambda__3___closed__6;
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_Conv_updateLhs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalPattern(lean_object*);
 lean_object* l_Lean_Elab_Tactic_replaceMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_Conv_evalPattern_declRange___closed__4;
@@ -1466,6 +1467,14 @@ lean_dec(x_2);
 return x_10;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_Conv_evalPattern___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_Conv_evalPattern___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -1531,7 +1540,7 @@ x_11 = lean_ctor_get(x_7, 5);
 x_12 = l_Lean_replaceRef(x_1, x_11);
 lean_dec(x_11);
 lean_ctor_set(x_7, 5, x_12);
-x_13 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_13;
 }
 else
@@ -1574,7 +1583,7 @@ lean_ctor_set(x_26, 7, x_21);
 lean_ctor_set(x_26, 8, x_22);
 lean_ctor_set(x_26, 9, x_23);
 lean_ctor_set(x_26, 10, x_24);
-x_27 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
+x_27 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
 return x_27;
 }
 }
@@ -1826,7 +1835,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_58 = l_Lean_Meta_applyRefl(x_55, x_57, x_6, x_7, x_8, x_9, x_56);
+x_58 = l_Lean_MVarId_applyRefl(x_55, x_57, x_6, x_7, x_8, x_9, x_56);
 if (lean_obj_tag(x_58) == 0)
 {
 lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Conv/Rewrite.c b/stage0/stdlib/Lean/Elab/Tactic/Conv/Rewrite.c
index f454ece0fa..849d68c867 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Conv/Rewrite.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Conv/Rewrite.c
@@ -72,6 +72,8 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
 x_15 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
 if (lean_obj_tag(x_15) == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c b/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
index 6bd34df8f3..3d3f8ab959 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/ElabTerm.c
@@ -135,6 +135,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSpecialize_declRange___c
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Tactic_getFVarId___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Elab_Tactic_evalRename___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalExact_declRange___closed__7;
@@ -160,7 +161,6 @@ static lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__2___closed__2
 static lean_object* l_Lean_Elab_Tactic_evalNativeDecide___rarg___closed__1;
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalSpecialize___closed__2;
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVarsNoDelayed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalRename___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide___closed__4;
@@ -254,10 +254,10 @@ size_t lean_usize_of_nat(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalNativeDecide_declRange___closed__7;
 extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRename___closed__3;
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalConstructor_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalWithUnfoldingAll(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Tactic_ElabTerm_0__Lean_Elab_Tactic_preprocessPropToDecide___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalExact___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible_declRange___closed__2;
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
@@ -282,6 +282,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducibleAndInstance
 static lean_object* l_Lean_Elab_Tactic_evalRefine___closed__1;
 static lean_object* l_Lean_Elab_throwAbortTactic___at_Lean_Elab_Tactic_logUnassignedAndAbort___spec__1___rarg___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible_declRange___closed__6;
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___lambda__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_getFVarIds___boxed__const__1;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducible_declRange___closed__3;
@@ -339,7 +340,6 @@ static lean_object* l_Lean_Elab_Tactic_evalSpecialize___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalApply_declRange___closed__7;
 static lean_object* l_Lean_Elab_Tactic_evalExact___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalWithReducibleAndInstances_declRange___closed__5;
-lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalApply___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRefine_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -373,7 +373,6 @@ static lean_object* l_Lean_Elab_Tactic_evalApply___closed__1;
 lean_object* l_Lean_Elab_Term_logUnassignedUsingErrorInfos(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_throwTypeMismatchError___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalExact_declRange___closed__5;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalDecide_declRange___closed__4;
 static lean_object* l___private_Lean_Elab_Tactic_ElabTerm_0__Lean_Elab_Tactic_preprocessPropToDecide___closed__3;
@@ -415,6 +414,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTermWithHoles___boxed(lean_objec
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_logUnassignedAndAbort(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_declRange___closed__3;
 static lean_object* l_Lean_Elab_Tactic_getFVarId___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_elabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Tactic_withCollectingNewGoalsFrom___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalDecide___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalApply_declRange(lean_object*);
@@ -439,6 +439,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalExact(lean_object*, lean_object*
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalRefine_x27_declRange___closed__7;
 static lean_object* l_Lean_Elab_Tactic_refineCore___lambda__4___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_evalNativeDecide___rarg___lambda__1___closed__5;
 static lean_object* l_Lean_Elab_Tactic_evalConstructor___rarg___closed__1;
 LEAN_EXPORT uint8_t l_Lean_Elab_Tactic_refineCore___lambda__3(lean_object*, lean_object*);
@@ -724,6 +725,23 @@ x_12 = l_Lean_Elab_Tactic_elabTerm_go(x_1, x_2, x_11, x_4, x_5, x_6, x_7, x_8, x
 return x_12;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_elabTerm___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_apply_2(x_1, x_2, x_3);
+x_12 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___lambda__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; 
+x_13 = l_Lean_Elab_Tactic_elabTerm_go(x_1, x_2, x_3, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+return x_13;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
@@ -733,21 +751,35 @@ if (x_13 == 0)
 {
 lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 x_14 = lean_box(x_3);
-x_15 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_elabTerm_go___boxed), 10, 3);
+x_15 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_elabTerm___lambda__1___boxed), 12, 3);
 lean_closure_set(x_15, 0, x_1);
 lean_closure_set(x_15, 1, x_2);
 lean_closure_set(x_15, 2, x_14);
-x_16 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_16 = l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Elab_Tactic_elabTerm___spec__1(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 return x_16;
 }
 else
 {
 lean_object* x_17; 
+lean_dec(x_5);
+lean_dec(x_4);
 x_17 = l_Lean_Elab_Tactic_elabTerm_go(x_1, x_2, x_3, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 return x_17;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+uint8_t x_13; lean_object* x_14; 
+x_13 = lean_unbox(x_3);
+lean_dec(x_3);
+x_14 = l_Lean_Elab_Tactic_elabTerm___lambda__1(x_1, x_2, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_14;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabTerm___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
@@ -755,8 +787,6 @@ uint8_t x_13; lean_object* x_14;
 x_13 = lean_unbox(x_3);
 lean_dec(x_3);
 x_14 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
-lean_dec(x_4);
 return x_14;
 }
 }
@@ -1202,8 +1232,6 @@ uint8_t x_13; lean_object* x_14;
 x_13 = lean_unbox(x_3);
 lean_dec(x_3);
 x_14 = l_Lean_Elab_Tactic_elabTermEnsuringType(x_1, x_2, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
-lean_dec(x_4);
 return x_14;
 }
 }
@@ -1741,6 +1769,8 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 x_21 = l_Lean_Elab_Tactic_elabTermEnsuringType(x_1, x_19, x_20, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_16);
 if (lean_obj_tag(x_21) == 0)
 {
@@ -1766,6 +1796,8 @@ x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
 lean_dec(x_27);
 x_30 = l_Lean_Elab_Tactic_logUnassignedAndAbort(x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_29);
+lean_dec(x_4);
+lean_dec(x_3);
 if (lean_obj_tag(x_30) == 0)
 {
 uint8_t x_31; 
@@ -1824,6 +1856,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 x_39 = !lean_is_exclusive(x_21);
 if (x_39 == 0)
 {
@@ -1945,7 +1979,7 @@ lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_obje
 x_14 = lean_unsigned_to_nat(1u);
 x_15 = l_Lean_Syntax_getArg(x_1, x_14);
 lean_dec(x_1);
-x_16 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalExact___lambda__1___boxed), 11, 1);
+x_16 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalExact___lambda__1), 11, 1);
 lean_closure_set(x_16, 0, x_15);
 x_17 = 0;
 x_18 = l_Lean_Elab_Tactic_closeMainGoalUsing(x_16, x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
@@ -1969,16 +2003,6 @@ lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalExact___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l_Lean_Elab_Tactic_evalExact___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_12;
-}
-}
 static lean_object* _init_l___regBuiltin_Lean_Elab_Tactic_evalExact___closed__1() {
 _start:
 {
@@ -7175,6 +7199,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_14 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_14) == 0)
 {
@@ -8682,6 +8708,8 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 x_13 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_12, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 if (lean_obj_tag(x_13) == 0)
 {
@@ -8728,6 +8756,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
 return x_25;
 }
@@ -8741,6 +8770,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
 x_26 = !lean_is_exclusive(x_17);
 if (x_26 == 0)
@@ -8780,6 +8810,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
 x_32 = !lean_is_exclusive(x_17);
 if (x_32 == 0)
@@ -8810,6 +8841,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
 x_36 = !lean_is_exclusive(x_13);
 if (x_36 == 0)
@@ -8836,7 +8868,7 @@ LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_eval
 _start:
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_12 = lean_alloc_closure((void*)(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___boxed), 11, 2);
+x_12 = lean_alloc_closure((void*)(l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1), 11, 2);
 lean_closure_set(x_12, 0, x_1);
 lean_closure_set(x_12, 1, x_2);
 x_13 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_withoutRecover___rarg), 10, 1);
@@ -9245,15 +9277,6 @@ lean_dec(x_4);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8___at_Lean_Elab_Tactic_evalRename___spec__9___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_4);
-return x_12;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalRename___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
@@ -9476,7 +9499,7 @@ x_14 = l_Lean_withoutModifyingState___at_Lean_Elab_Tactic_evalRename___spec__8__
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_13);
 lean_ctor_set(x_15, 1, x_14);
-x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_15, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_16 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_15, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 x_17 = !lean_is_exclusive(x_16);
 if (x_17 == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Generalize.c b/stage0/stdlib/Lean/Elab/Tactic/Generalize.c
index 71e0fae10c..dc3f2f3edf 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Generalize.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Generalize.c
@@ -31,7 +31,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize_declRang
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalGeneralize___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize___closed__10;
 lean_object* l_Lean_Syntax_getId(lean_object*);
-lean_object* l_Lean_Meta_generalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalGeneralize___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -50,6 +49,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalGeneralize___lambda__1(lean_obje
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize___closed__13;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize_declRange___closed__3;
 lean_object* l_Lean_Elab_Tactic_elabTerm(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isNone(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalGeneralize___closed__9;
@@ -78,6 +78,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_14 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_14, 0, x_3);
 lean_ctor_set(x_14, 1, x_12);
@@ -101,6 +103,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_24 = l_Lean_Elab_Tactic_elabTerm(x_21, x_22, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (x_19 == 0)
 {
@@ -149,6 +153,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_39 = !lean_is_exclusive(x_24);
 if (x_39 == 0)
 {
@@ -210,6 +216,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_54 = !lean_is_exclusive(x_24);
 if (x_54 == 0)
 {
@@ -258,7 +266,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_14 = l_Lean_Meta_generalize(x_12, x_1, x_6, x_7, x_8, x_9, x_13);
+x_14 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(x_12, x_1, x_6, x_7, x_8, x_9, x_13);
 if (lean_obj_tag(x_14) == 0)
 {
 lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
@@ -398,6 +406,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalGeneralize___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
@@ -483,8 +493,6 @@ lean_dec(x_1);
 x_14 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_15 = l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalGeneralize___spec__1(x_13, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
-lean_dec(x_4);
 return x_15;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Induction.c b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
index b5a604500b..f34461b4b5 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Induction.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
@@ -41,7 +41,7 @@ lean_object* lean_erase_macro_scopes(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalInduction___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_checkAltNames___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064_(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___closed__6;
@@ -59,7 +59,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalInduction_checkTargets___boxed(l
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_evalAlts___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfForall(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_filterTRAux___at_Lean_resolveGlobalConstCore___spec__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAlt___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_ElimApp_evalAlts_go___spec__5___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_evalAlts_applyPreTac___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalInduction_declRange___closed__6;
@@ -225,7 +224,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Tactic_
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_generalizeTargets___spec__1(size_t, size_t, lean_object*);
 lean_object* l_Lean_Meta_getMVarsNoDelayed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabCasesTargets___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -234,6 +232,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_ElimApp_evalAlts_go___spec__5___lambda__2___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___closed__3;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_ElimApp_evalAlts_go___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_focus___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__8___closed__2;
@@ -314,7 +313,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_ElimApp_
 lean_object* lean_format_pretty(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_admitGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_ElimApp_evalAlts_go___spec__5___lambda__2___closed__1;
-lean_object* l_Lean_Meta_generalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_mkElimApp_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEqGuarded(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalInduction_declRange___closed__3;
@@ -332,7 +330,6 @@ lean_object* lean_array_to_list(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_State_alts___default;
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_RBTree_toArray___at_Lean_Meta_getFVarsToGeneralize___spec__1(lean_object*);
-lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_getInductiveValFromMajor___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Tactic_ElimApp_evalAlts_go___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getFType(lean_object*);
@@ -485,6 +482,7 @@ extern lean_object* l_Lean_instInhabitedName;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getAltNumFields___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_getAltNumFields___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_elabTerm(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_isHoleRHS___closed__9;
 lean_object* l_List_toArrayAux___rarg(lean_object*, lean_object*);
@@ -528,6 +526,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalIndu
 lean_object* l_Lean_Meta_generalizeTargetsEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_resolveGlobalConst___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__3___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_ElimApp_checkAltNames(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Tactic_elabCasesTargets___spec__4(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalInduction_declRange___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getUserGeneralizingFVarIds___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1181,6 +1180,8 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 x_21 = l_Lean_Elab_Tactic_elabTermEnsuringType(x_1, x_19, x_20, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
 if (lean_obj_tag(x_21) == 0)
 {
@@ -1218,6 +1219,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -1249,6 +1252,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
 x_37 = !lean_is_exclusive(x_21);
 if (x_37 == 0)
@@ -1279,6 +1284,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_41 = !lean_is_exclusive(x_15);
@@ -1362,6 +1369,8 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 x_64 = l_Lean_Elab_Tactic_elabTermEnsuringType(x_1, x_62, x_63, x_3, x_4, x_5, x_6, x_7, x_8, x_57, x_10, x_60);
 if (lean_obj_tag(x_64) == 0)
 {
@@ -1399,6 +1408,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 x_76 = lean_ctor_get(x_75, 1);
 lean_inc(x_76);
 if (lean_is_exclusive(x_75)) {
@@ -1428,6 +1439,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
 x_79 = lean_ctor_get(x_64, 0);
 lean_inc(x_79);
@@ -1460,6 +1473,8 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_83 = lean_ctor_get(x_58, 0);
@@ -1575,7 +1590,7 @@ lean_object* x_22; lean_object* x_23; lean_object* x_24;
 lean_dec(x_2);
 lean_inc(x_1);
 lean_inc(x_14);
-x_22 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalAlt___lambda__2___boxed), 11, 2);
+x_22 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalAlt___lambda__2), 11, 2);
 lean_closure_set(x_22, 0, x_14);
 lean_closure_set(x_22, 1, x_1);
 x_23 = lean_alloc_closure((void*)(l_Lean_Elab_Tactic_evalAlt___lambda__3), 12, 3);
@@ -1587,16 +1602,6 @@ return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalAlt___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l_Lean_Elab_Tactic_evalAlt___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_12;
-}
-}
 static lean_object* _init_l_Lean_Elab_Tactic_ElimApp_State_argPos___default() {
 _start:
 {
@@ -4742,6 +4747,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -4776,6 +4782,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -4843,6 +4850,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -4878,6 +4886,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_27 = !lean_is_exclusive(x_26);
 if (x_27 == 0)
 {
@@ -4912,6 +4921,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_35 = !lean_is_exclusive(x_34);
 if (x_35 == 0)
 {
@@ -4948,6 +4958,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_42 = !lean_is_exclusive(x_41);
 if (x_42 == 0)
 {
@@ -16857,7 +16868,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_18 = l_Lean_Meta_generalize(x_12, x_17, x_6, x_7, x_8, x_9, x_13);
+x_18 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(x_12, x_17, x_6, x_7, x_8, x_9, x_13);
 if (lean_obj_tag(x_18) == 0)
 {
 lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; size_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
@@ -17514,6 +17525,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_14 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_14, 0, x_3);
 lean_ctor_set(x_14, 1, x_12);
@@ -17533,6 +17546,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_20 = l_Lean_Elab_Tactic_elabTerm(x_15, x_18, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_20) == 0)
 {
@@ -17560,6 +17575,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_27 = !lean_is_exclusive(x_20);
 if (x_27 == 0)
 {
@@ -18734,8 +18751,6 @@ lean_dec(x_1);
 x_14 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_15 = l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalInduction___spec__1(x_13, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
-lean_dec(x_4);
 return x_15;
 }
 }
@@ -19055,6 +19070,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_14 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_14, 0, x_3);
 lean_ctor_set(x_14, 1, x_12);
@@ -19079,6 +19096,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_24 = l_Lean_Elab_Tactic_elabTerm(x_21, x_22, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (x_19 == 0)
 {
@@ -19119,6 +19138,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_35 = !lean_is_exclusive(x_24);
 if (x_35 == 0)
 {
@@ -19172,6 +19193,8 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 x_46 = !lean_is_exclusive(x_24);
 if (x_46 == 0)
 {
@@ -19723,7 +19746,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_18 = l_Lean_Meta_generalize(x_14, x_16, x_8, x_9, x_10, x_11, x_17);
+x_18 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(x_14, x_16, x_8, x_9, x_10, x_11, x_17);
 if (lean_obj_tag(x_18) == 0)
 {
 lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; size_t x_23; lean_object* x_24; lean_object* x_25; 
@@ -19912,6 +19935,8 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_elabCasesTargets___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
@@ -19995,7 +20020,7 @@ x_22 = lean_ctor_get(x_18, 0);
 lean_dec(x_22);
 x_23 = lean_usize_of_nat(x_16);
 lean_dec(x_16);
-x_24 = l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(x_23, x_2, x_14);
+x_24 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(x_23, x_2, x_14);
 lean_ctor_set(x_18, 0, x_24);
 return x_18;
 }
@@ -20007,7 +20032,7 @@ lean_inc(x_25);
 lean_dec(x_18);
 x_26 = lean_usize_of_nat(x_16);
 lean_dec(x_16);
-x_27 = l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(x_26, x_2, x_14);
+x_27 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(x_26, x_2, x_14);
 x_28 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_28, 0, x_27);
 lean_ctor_set(x_28, 1, x_25);
@@ -20130,8 +20155,6 @@ lean_dec(x_1);
 x_14 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_15 = l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_elabCasesTargets___spec__1(x_13, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_5);
-lean_dec(x_4);
 return x_15;
 }
 }
@@ -21262,7 +21285,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1() {
+static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -21272,11 +21295,11 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1;
+x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 if (lean_obj_tag(x_3) == 0)
 {
@@ -21669,9 +21692,9 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___close
 res = l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1();
-lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066____closed__1);
-res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9066_(lean_io_mk_world());
+l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064____closed__1);
+res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_9064_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Meta.c b/stage0/stdlib/Lean/Elab/Tactic/Meta.c
index 5aed96e49f..aed368621a 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Meta.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Meta.c
@@ -1036,7 +1036,7 @@ return x_40;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
 x_41 = lean_ctor_get(x_27, 0);
 x_42 = lean_ctor_get(x_27, 1);
 x_43 = lean_ctor_get(x_27, 2);
@@ -1045,7 +1045,6 @@ x_45 = lean_ctor_get(x_27, 4);
 x_46 = lean_ctor_get(x_27, 5);
 x_47 = lean_ctor_get(x_27, 6);
 x_48 = lean_ctor_get(x_27, 7);
-x_49 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
 lean_inc(x_48);
 lean_inc(x_47);
 lean_inc(x_46);
@@ -1057,68 +1056,66 @@ lean_inc(x_41);
 lean_dec(x_27);
 lean_ctor_set(x_13, 2, x_21);
 lean_ctor_set(x_13, 1, x_18);
-x_50 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_44, x_1, x_13);
-x_51 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_51, 0, x_41);
-lean_ctor_set(x_51, 1, x_42);
-lean_ctor_set(x_51, 2, x_43);
-lean_ctor_set(x_51, 3, x_50);
-lean_ctor_set(x_51, 4, x_45);
-lean_ctor_set(x_51, 5, x_46);
-lean_ctor_set(x_51, 6, x_47);
-lean_ctor_set(x_51, 7, x_48);
-lean_ctor_set_uint8(x_51, sizeof(void*)*8, x_49);
-lean_ctor_set(x_26, 0, x_51);
-x_52 = lean_st_ref_set(x_3, x_26, x_28);
+x_49 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_44, x_1, x_13);
+x_50 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_50, 0, x_41);
+lean_ctor_set(x_50, 1, x_42);
+lean_ctor_set(x_50, 2, x_43);
+lean_ctor_set(x_50, 3, x_49);
+lean_ctor_set(x_50, 4, x_45);
+lean_ctor_set(x_50, 5, x_46);
+lean_ctor_set(x_50, 6, x_47);
+lean_ctor_set(x_50, 7, x_48);
+lean_ctor_set(x_26, 0, x_50);
+x_51 = lean_st_ref_set(x_3, x_26, x_28);
 lean_dec(x_3);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_53 = x_51;
 } else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
+ lean_dec_ref(x_51);
+ x_53 = lean_box(0);
 }
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
+x_54 = lean_box(0);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_56 = x_54;
+ x_55 = x_53;
 }
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_52);
+return x_55;
 }
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_57 = lean_ctor_get(x_26, 1);
-x_58 = lean_ctor_get(x_26, 2);
-x_59 = lean_ctor_get(x_26, 3);
-lean_inc(x_59);
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_56 = lean_ctor_get(x_26, 1);
+x_57 = lean_ctor_get(x_26, 2);
+x_58 = lean_ctor_get(x_26, 3);
 lean_inc(x_58);
 lean_inc(x_57);
+lean_inc(x_56);
 lean_dec(x_26);
-x_60 = lean_ctor_get(x_27, 0);
+x_59 = lean_ctor_get(x_27, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_27, 1);
 lean_inc(x_60);
-x_61 = lean_ctor_get(x_27, 1);
+x_61 = lean_ctor_get(x_27, 2);
 lean_inc(x_61);
-x_62 = lean_ctor_get(x_27, 2);
+x_62 = lean_ctor_get(x_27, 3);
 lean_inc(x_62);
-x_63 = lean_ctor_get(x_27, 3);
+x_63 = lean_ctor_get(x_27, 4);
 lean_inc(x_63);
-x_64 = lean_ctor_get(x_27, 4);
+x_64 = lean_ctor_get(x_27, 5);
 lean_inc(x_64);
-x_65 = lean_ctor_get(x_27, 5);
+x_65 = lean_ctor_get(x_27, 6);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_27, 6);
+x_66 = lean_ctor_get(x_27, 7);
 lean_inc(x_66);
-x_67 = lean_ctor_get(x_27, 7);
-lean_inc(x_67);
-x_68 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
 if (lean_is_exclusive(x_27)) {
  lean_ctor_release(x_27, 0);
  lean_ctor_release(x_27, 1);
@@ -1128,207 +1125,204 @@ if (lean_is_exclusive(x_27)) {
  lean_ctor_release(x_27, 5);
  lean_ctor_release(x_27, 6);
  lean_ctor_release(x_27, 7);
- x_69 = x_27;
+ x_67 = x_27;
 } else {
  lean_dec_ref(x_27);
- x_69 = lean_box(0);
+ x_67 = lean_box(0);
 }
 lean_ctor_set(x_13, 2, x_21);
 lean_ctor_set(x_13, 1, x_18);
-x_70 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_63, x_1, x_13);
-if (lean_is_scalar(x_69)) {
- x_71 = lean_alloc_ctor(0, 8, 1);
+x_68 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_62, x_1, x_13);
+if (lean_is_scalar(x_67)) {
+ x_69 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_71 = x_69;
+ x_69 = x_67;
 }
-lean_ctor_set(x_71, 0, x_60);
-lean_ctor_set(x_71, 1, x_61);
-lean_ctor_set(x_71, 2, x_62);
-lean_ctor_set(x_71, 3, x_70);
-lean_ctor_set(x_71, 4, x_64);
-lean_ctor_set(x_71, 5, x_65);
-lean_ctor_set(x_71, 6, x_66);
-lean_ctor_set(x_71, 7, x_67);
-lean_ctor_set_uint8(x_71, sizeof(void*)*8, x_68);
-x_72 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_57);
-lean_ctor_set(x_72, 2, x_58);
-lean_ctor_set(x_72, 3, x_59);
-x_73 = lean_st_ref_set(x_3, x_72, x_28);
+lean_ctor_set(x_69, 0, x_59);
+lean_ctor_set(x_69, 1, x_60);
+lean_ctor_set(x_69, 2, x_61);
+lean_ctor_set(x_69, 3, x_68);
+lean_ctor_set(x_69, 4, x_63);
+lean_ctor_set(x_69, 5, x_64);
+lean_ctor_set(x_69, 6, x_65);
+lean_ctor_set(x_69, 7, x_66);
+x_70 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_70, 0, x_69);
+lean_ctor_set(x_70, 1, x_56);
+lean_ctor_set(x_70, 2, x_57);
+lean_ctor_set(x_70, 3, x_58);
+x_71 = lean_st_ref_set(x_3, x_70, x_28);
 lean_dec(x_3);
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-if (lean_is_exclusive(x_73)) {
- lean_ctor_release(x_73, 0);
- lean_ctor_release(x_73, 1);
+x_72 = lean_ctor_get(x_71, 1);
+lean_inc(x_72);
+if (lean_is_exclusive(x_71)) {
+ lean_ctor_release(x_71, 0);
+ lean_ctor_release(x_71, 1);
+ x_73 = x_71;
+} else {
+ lean_dec_ref(x_71);
+ x_73 = lean_box(0);
+}
+x_74 = lean_box(0);
+if (lean_is_scalar(x_73)) {
+ x_75 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_75 = x_73;
-} else {
- lean_dec_ref(x_73);
- x_75 = lean_box(0);
 }
-x_76 = lean_box(0);
-if (lean_is_scalar(x_75)) {
- x_77 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_77 = x_75;
-}
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_74);
-return x_77;
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
 }
 }
 else
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_78 = lean_ctor_get(x_13, 0);
-x_79 = lean_ctor_get(x_13, 1);
-x_80 = lean_ctor_get(x_13, 2);
-x_81 = lean_ctor_get(x_13, 3);
-x_82 = lean_ctor_get(x_13, 4);
-x_83 = lean_ctor_get_uint8(x_13, sizeof(void*)*7);
-x_84 = lean_ctor_get(x_13, 5);
-x_85 = lean_ctor_get(x_13, 6);
-lean_inc(x_85);
-lean_inc(x_84);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_76 = lean_ctor_get(x_13, 0);
+x_77 = lean_ctor_get(x_13, 1);
+x_78 = lean_ctor_get(x_13, 2);
+x_79 = lean_ctor_get(x_13, 3);
+x_80 = lean_ctor_get(x_13, 4);
+x_81 = lean_ctor_get_uint8(x_13, sizeof(void*)*7);
+x_82 = lean_ctor_get(x_13, 5);
+x_83 = lean_ctor_get(x_13, 6);
+lean_inc(x_83);
 lean_inc(x_82);
-lean_inc(x_81);
 lean_inc(x_80);
 lean_inc(x_79);
 lean_inc(x_78);
+lean_inc(x_77);
+lean_inc(x_76);
 lean_dec(x_13);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_86 = l_Lean_instantiateLCtxMVars___at_Lean_Elab_runTactic___spec__2(x_79, x_2, x_3, x_4, x_5, x_11);
-x_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_86, 1);
-lean_inc(x_88);
-lean_dec(x_86);
-x_89 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_80, x_2, x_3, x_4, x_5, x_88);
+x_84 = l_Lean_instantiateLCtxMVars___at_Lean_Elab_runTactic___spec__2(x_77, x_2, x_3, x_4, x_5, x_11);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_78, x_2, x_3, x_4, x_5, x_86);
 lean_dec(x_4);
 lean_dec(x_2);
-x_90 = lean_ctor_get(x_89, 0);
-lean_inc(x_90);
-x_91 = lean_ctor_get(x_89, 1);
-lean_inc(x_91);
-lean_dec(x_89);
-x_92 = lean_st_ref_get(x_5, x_91);
+x_88 = lean_ctor_get(x_87, 0);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_87, 1);
+lean_inc(x_89);
+lean_dec(x_87);
+x_90 = lean_st_ref_get(x_5, x_89);
 lean_dec(x_5);
-x_93 = lean_ctor_get(x_92, 1);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+lean_dec(x_90);
+x_92 = lean_st_ref_take(x_3, x_91);
+x_93 = lean_ctor_get(x_92, 0);
 lean_inc(x_93);
-lean_dec(x_92);
-x_94 = lean_st_ref_take(x_3, x_93);
-x_95 = lean_ctor_get(x_94, 0);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_92, 1);
 lean_inc(x_95);
-x_96 = lean_ctor_get(x_95, 0);
+lean_dec(x_92);
+x_96 = lean_ctor_get(x_93, 1);
 lean_inc(x_96);
-x_97 = lean_ctor_get(x_94, 1);
+x_97 = lean_ctor_get(x_93, 2);
 lean_inc(x_97);
-lean_dec(x_94);
-x_98 = lean_ctor_get(x_95, 1);
+x_98 = lean_ctor_get(x_93, 3);
 lean_inc(x_98);
-x_99 = lean_ctor_get(x_95, 2);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_95, 3);
+if (lean_is_exclusive(x_93)) {
+ lean_ctor_release(x_93, 0);
+ lean_ctor_release(x_93, 1);
+ lean_ctor_release(x_93, 2);
+ lean_ctor_release(x_93, 3);
+ x_99 = x_93;
+} else {
+ lean_dec_ref(x_93);
+ x_99 = lean_box(0);
+}
+x_100 = lean_ctor_get(x_94, 0);
 lean_inc(x_100);
-if (lean_is_exclusive(x_95)) {
- lean_ctor_release(x_95, 0);
- lean_ctor_release(x_95, 1);
- lean_ctor_release(x_95, 2);
- lean_ctor_release(x_95, 3);
- x_101 = x_95;
-} else {
- lean_dec_ref(x_95);
- x_101 = lean_box(0);
-}
-x_102 = lean_ctor_get(x_96, 0);
+x_101 = lean_ctor_get(x_94, 1);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_94, 2);
 lean_inc(x_102);
-x_103 = lean_ctor_get(x_96, 1);
+x_103 = lean_ctor_get(x_94, 3);
 lean_inc(x_103);
-x_104 = lean_ctor_get(x_96, 2);
+x_104 = lean_ctor_get(x_94, 4);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_96, 3);
+x_105 = lean_ctor_get(x_94, 5);
 lean_inc(x_105);
-x_106 = lean_ctor_get(x_96, 4);
+x_106 = lean_ctor_get(x_94, 6);
 lean_inc(x_106);
-x_107 = lean_ctor_get(x_96, 5);
+x_107 = lean_ctor_get(x_94, 7);
 lean_inc(x_107);
-x_108 = lean_ctor_get(x_96, 6);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_96, 7);
-lean_inc(x_109);
-x_110 = lean_ctor_get_uint8(x_96, sizeof(void*)*8);
-if (lean_is_exclusive(x_96)) {
- lean_ctor_release(x_96, 0);
- lean_ctor_release(x_96, 1);
- lean_ctor_release(x_96, 2);
- lean_ctor_release(x_96, 3);
- lean_ctor_release(x_96, 4);
- lean_ctor_release(x_96, 5);
- lean_ctor_release(x_96, 6);
- lean_ctor_release(x_96, 7);
- x_111 = x_96;
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ lean_ctor_release(x_94, 2);
+ lean_ctor_release(x_94, 3);
+ lean_ctor_release(x_94, 4);
+ lean_ctor_release(x_94, 5);
+ lean_ctor_release(x_94, 6);
+ lean_ctor_release(x_94, 7);
+ x_108 = x_94;
 } else {
- lean_dec_ref(x_96);
- x_111 = lean_box(0);
+ lean_dec_ref(x_94);
+ x_108 = lean_box(0);
 }
-x_112 = lean_alloc_ctor(0, 7, 1);
-lean_ctor_set(x_112, 0, x_78);
-lean_ctor_set(x_112, 1, x_87);
-lean_ctor_set(x_112, 2, x_90);
-lean_ctor_set(x_112, 3, x_81);
-lean_ctor_set(x_112, 4, x_82);
-lean_ctor_set(x_112, 5, x_84);
-lean_ctor_set(x_112, 6, x_85);
-lean_ctor_set_uint8(x_112, sizeof(void*)*7, x_83);
-x_113 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_105, x_1, x_112);
-if (lean_is_scalar(x_111)) {
- x_114 = lean_alloc_ctor(0, 8, 1);
+x_109 = lean_alloc_ctor(0, 7, 1);
+lean_ctor_set(x_109, 0, x_76);
+lean_ctor_set(x_109, 1, x_85);
+lean_ctor_set(x_109, 2, x_88);
+lean_ctor_set(x_109, 3, x_79);
+lean_ctor_set(x_109, 4, x_80);
+lean_ctor_set(x_109, 5, x_82);
+lean_ctor_set(x_109, 6, x_83);
+lean_ctor_set_uint8(x_109, sizeof(void*)*7, x_81);
+x_110 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_103, x_1, x_109);
+if (lean_is_scalar(x_108)) {
+ x_111 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_114 = x_111;
+ x_111 = x_108;
 }
-lean_ctor_set(x_114, 0, x_102);
-lean_ctor_set(x_114, 1, x_103);
-lean_ctor_set(x_114, 2, x_104);
-lean_ctor_set(x_114, 3, x_113);
-lean_ctor_set(x_114, 4, x_106);
-lean_ctor_set(x_114, 5, x_107);
-lean_ctor_set(x_114, 6, x_108);
-lean_ctor_set(x_114, 7, x_109);
-lean_ctor_set_uint8(x_114, sizeof(void*)*8, x_110);
-if (lean_is_scalar(x_101)) {
- x_115 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_111, 0, x_100);
+lean_ctor_set(x_111, 1, x_101);
+lean_ctor_set(x_111, 2, x_102);
+lean_ctor_set(x_111, 3, x_110);
+lean_ctor_set(x_111, 4, x_104);
+lean_ctor_set(x_111, 5, x_105);
+lean_ctor_set(x_111, 6, x_106);
+lean_ctor_set(x_111, 7, x_107);
+if (lean_is_scalar(x_99)) {
+ x_112 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_115 = x_101;
+ x_112 = x_99;
 }
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_98);
-lean_ctor_set(x_115, 2, x_99);
-lean_ctor_set(x_115, 3, x_100);
-x_116 = lean_st_ref_set(x_3, x_115, x_97);
+lean_ctor_set(x_112, 0, x_111);
+lean_ctor_set(x_112, 1, x_96);
+lean_ctor_set(x_112, 2, x_97);
+lean_ctor_set(x_112, 3, x_98);
+x_113 = lean_st_ref_set(x_3, x_112, x_95);
 lean_dec(x_3);
-x_117 = lean_ctor_get(x_116, 1);
-lean_inc(x_117);
-if (lean_is_exclusive(x_116)) {
- lean_ctor_release(x_116, 0);
- lean_ctor_release(x_116, 1);
- x_118 = x_116;
+x_114 = lean_ctor_get(x_113, 1);
+lean_inc(x_114);
+if (lean_is_exclusive(x_113)) {
+ lean_ctor_release(x_113, 0);
+ lean_ctor_release(x_113, 1);
+ x_115 = x_113;
 } else {
- lean_dec_ref(x_116);
- x_118 = lean_box(0);
+ lean_dec_ref(x_113);
+ x_115 = lean_box(0);
 }
-x_119 = lean_box(0);
-if (lean_is_scalar(x_118)) {
- x_120 = lean_alloc_ctor(0, 2, 0);
+x_116 = lean_box(0);
+if (lean_is_scalar(x_115)) {
+ x_117 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_120 = x_118;
+ x_117 = x_115;
 }
-lean_ctor_set(x_120, 0, x_119);
-lean_ctor_set(x_120, 1, x_117);
-return x_120;
+lean_ctor_set(x_117, 0, x_116);
+lean_ctor_set(x_117, 1, x_114);
+return x_117;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Rewrite.c b/stage0/stdlib/Lean/Elab/Tactic/Rewrite.c
index 08c28c70d2..00133fa816 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Rewrite.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Rewrite.c
@@ -250,6 +250,8 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
 x_15 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
 if (lean_obj_tag(x_15) == 0)
 {
@@ -597,6 +599,8 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
 x_16 = l_Lean_Elab_Tactic_elabTerm(x_1, x_2, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_16) == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Simp.c b/stage0/stdlib/Lean/Elab/Tactic/Simp.c
index 2200153544..5858dda4a2 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Simp.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Simp.c
@@ -231,6 +231,7 @@ lean_object* l_Lean_Syntax_getId(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalSimp___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabDSimpConfigCore___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_format_pretty(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Tactic_Simp_0__Lean_Elab_Tactic_addSimpTheorem___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_simpLocation(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
@@ -276,6 +277,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSimp_declRange___closed_
 extern lean_object* l_Lean_Elab_Tactic_tacticElabAttribute;
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_dsimpLocation___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_elabSimpArgs(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
@@ -364,7 +366,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_pushInfoLeaf___at_Lean_Elab_Tactic_elabSimp
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_tacticToDischarge(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalSimpAll_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at_Lean_Elab_Tactic_elabSimpConfigCore___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_elabSimpConfigCore___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_dsimpLocation(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_replaceMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4368,6 +4369,14 @@ x_14 = l___private_Lean_Elab_Tactic_Simp_0__Lean_Elab_Tactic_addDeclToUnfoldOrTh
 return x_14;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at___private_Lean_Elab_Tactic_Simp_0__Lean_Elab_Tactic_addSimpTheorem___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Simp_0__Lean_Elab_Tactic_addSimpTheorem___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -4612,7 +4621,7 @@ x_11 = lean_ctor_get(x_7, 5);
 x_12 = l_Lean_replaceRef(x_1, x_11);
 lean_dec(x_11);
 lean_ctor_set(x_7, 5, x_12);
-x_13 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_13;
 }
 else
@@ -4655,7 +4664,7 @@ lean_ctor_set(x_26, 7, x_21);
 lean_ctor_set(x_26, 8, x_22);
 lean_ctor_set(x_26, 9, x_23);
 lean_ctor_set(x_26, 10, x_24);
-x_27 = l_Lean_Elab_Term_withoutErrToSorry___rarg(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
+x_27 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_2, x_3, x_4, x_5, x_6, x_26, x_8, x_9);
 return x_27;
 }
 }
diff --git a/stage0/stdlib/Lean/Elab/Term.c b/stage0/stdlib/Lean/Elab/Term.c
index 25e4d370e3..028d607613 100644
--- a/stage0/stdlib/Lean/Elab/Term.c
+++ b/stage0/stdlib/Lean/Elab/Term.c
@@ -69,6 +69,7 @@ lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isExplicitApp___boxed(lean_object*);
+static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_commitIfNoErrors_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_ins___at_Lean_Elab_Term_registerMVarErrorInfo___spec__2(lean_object*, lean_object*, lean_object*);
@@ -110,6 +111,7 @@ lean_object* l_Lean_Meta_whnfForall(lean_object*, lean_object*, lean_object*, le
 static lean_object* l_Lean_Elab_Term_instInhabitedMVarErrorInfo___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__37___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__2(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__5___closed__5;
 static lean_object* l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__2;
@@ -131,7 +133,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_findSomeRevM_x3f___at_Lean_Elab_T
 uint8_t l_Lean_Elab_isAbortExceptionId(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__28___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__2;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_setLevelNames(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__8;
@@ -244,7 +245,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_withInfoContext_x27___at_Lean_Elab_Term_wit
 lean_object* l_Std_PersistentArray_append___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveLocalName_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortCommand___at_Lean_Elab_Term_ensureNoUnassignedMVars___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry(lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkCoe___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__36___boxed(lean_object*, lean_object*, lean_object*);
@@ -314,7 +315,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAu
 static lean_object* l_Lean_checkDeprecated___at___private_Lean_Elab_Term_0__Lean_Elab_Term_mkConsts___spec__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwMVarError___spec__1(lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
-lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
@@ -380,7 +380,6 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___l
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveLocalName_go(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_instMonadMacroAdapterTermElabM___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__29___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMonadMacroAdapterTermElabM___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -463,7 +462,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_expandDecl
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__34___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__31___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_withFreshMacroScope___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -507,7 +505,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabTermEnsuringType(lean_object*, lea
 lean_object* lean_array_fget(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__3___closed__2;
 static lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_MapDeclarationExtension_insert___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -533,6 +530,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_addAutoBou
 LEAN_EXPORT lean_object* l_Lean_Elab_withMacroExpansionInfo___at_Lean_Elab_Term_withMacroExpansion___spec__1___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instInhabitedTermElabM___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__11;
 lean_object* l_Lean_MessageData_toString(lean_object*, lean_object*);
 lean_object* l_Lean_ParametricAttribute_getParam_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -571,7 +569,6 @@ LEAN_EXPORT lean_object* l_Lean_log___at___private_Lean_Elab_Term_0__Lean_Elab_T
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkConst___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at_Lean_Elab_Term_isLetRecAuxMVar___spec__3(lean_object*, uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_instHashableCacheKey;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instToStringLVal(lean_object*);
@@ -609,6 +606,7 @@ static lean_object* l_Lean_Elab_Term_levelMVarToParam___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__49___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_get_x21___rarg(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_useImplicitLambda_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkConst___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_mkSyntheticSorryFor___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -635,13 +633,13 @@ uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getFVarLocalDecl_x21(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveNamespace(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTypeMismatchError___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_levelMVarToParam___lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__21;
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__4;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__4(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getMVarDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__2(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -698,9 +696,9 @@ lean_object* l_Lean_Core_getMessageLog___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__28(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_commitIfDidNotPostpone(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkAuxName___at_Lean_Elab_Term_mkAuxName___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_setElabConfig(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__14;
@@ -775,7 +773,6 @@ static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___sp
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__13;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLevel___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Term_0__Lean_Elab_Term_decorateErrorMessageWithLambdaImplicitVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_tryCoeThunk_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_withSaveInfoContext___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -785,6 +782,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0_
 static lean_object* l_Lean_Elab_Term_resolveName_process___closed__3;
 static lean_object* l_Lean_Elab_Term_instMonadTermElabM___closed__2;
 lean_object* l_Lean_Meta_getMVarsAtDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLetRecAuxMVar___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FileMap_toPosition(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_expandDeclId___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -843,6 +841,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_isMVarApp___boxed(lean_object*, lean_o
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_isNoncomputableSection___default;
 static lean_object* l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_containsPendingMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_implicitLambda___default;
 static lean_object* l_Lean_checkDeprecated___at___private_Lean_Elab_Term_0__Lean_Elab_Term_mkConsts___spec__1___closed__2;
 static lean_object* l_Lean_Elab_Term_resolveName_process___closed__1;
@@ -864,6 +863,7 @@ lean_object* l_Lean_InternalExceptionId_getName(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_LVal_getRef(lean_object*);
 lean_object* l_Lean_Elab_expandDeclIdCore(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__46(lean_object*, lean_object*);
@@ -879,6 +879,7 @@ LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Term_synthesize
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__2;
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__7;
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__2___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_tryPostponeIfHasMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -887,6 +888,7 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_addAutoBoundImp
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__47___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_BinderInfo_isImplicit(uint8_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkConst(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_dropTermParens___closed__2;
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
@@ -894,7 +896,6 @@ lean_object* l___private_Lean_Util_Trace_0__Lean_addTraceOptions(lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMVarContextImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_resolveName___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo(lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMonadBacktrackSavedStateTermElabM___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__44___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_Cache_pre___default___closed__1;
@@ -920,20 +921,19 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getDeclName_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__12(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveId_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_instInhabitedCacheKey;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_levelMVarToParam_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__6(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_logException___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveLocalName___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_applyVisibility___at_Lean_Elab_Term_expandDeclId___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_dropTermParens___closed__1;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2;
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__5;
+static lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1;
 uint8_t l_List_elem___at_Lean_NameHashSet_insert___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutPostponing___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getPos_x3f(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__27(lean_object*, lean_object*, lean_object*);
@@ -971,6 +971,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits___boxed(lean_obj
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_logUnassignedUsingErrorInfos___closed__2;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2;
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__18;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instToStringSyntheticMVarKind___boxed(lean_object*);
 extern lean_object* l_Lean_instInhabitedTraceElem;
@@ -990,7 +991,6 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFn
 static lean_object* l_Lean_Elab_Term_isLetRecAuxMVar___closed__1;
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_LVal_isFieldName(lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambdaAux___closed__2;
-static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_setInfoState___at_Lean_Elab_Term_SavedState_restore___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutSavingRecAppSyntax___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1051,6 +1051,7 @@ static lean_object* l_Lean_Elab_Term_Context_autoBoundImplicits___default___clos
 lean_object* l_Lean_Syntax_getKind(lean_object*);
 lean_object* l_Lean_MacroScopesView_review(lean_object*);
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__3;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4;
 static lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_Term_0__Lean_Elab_Term_isLambdaWithImplicit___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_resolveName_x27___closed__2;
@@ -1111,12 +1112,10 @@ LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorIn
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__10___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_checkDeprecated___at___private_Lean_Elab_Term_0__Lean_Elab_Term_mkConsts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Context_macroStack___default;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkExplicitBinder(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_levelMVarToParam___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__20(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at_Lean_Elab_Term_exprToSyntax___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSavedContext___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTypeMismatchError___closed__2;
@@ -1142,7 +1141,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_universeConstraintsCheckpoint___rarg(l
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Elab_Term_addTermInfo___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_observing___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__26(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_isLetRecAuxMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1168,6 +1166,7 @@ static lean_object* l_Lean_Elab_Term_TermElabM_toIO___rarg___closed__1;
 static lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Term_instAddErrorMessageContextTermElabM___spec__1___closed__5;
 lean_object* l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__9;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__18___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isNone(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_logAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__4(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1184,7 +1183,6 @@ LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_ignoreTCFailures___default;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_expandDeclId___spec__4___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getLetRecsToLift___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FVarId_getDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName_process___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1234,16 +1232,14 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___c
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ContainsPendingMVar_visit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutAutoBoundImplicit___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutMacroStackAtErr___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_registerMVarErrorInfo___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_TermElabM_toIO___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1;
 LEAN_EXPORT uint8_t l_Array_contains___at_Lean_Elab_Term_collectUnassignedMVars_go___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addDocString___at_Lean_Elab_Term_expandDeclId___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_ContextInfo_save___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_addAutoBoundImplicits_x27___spec__2(lean_object*);
 static lean_object* l_Lean_Elab_Term_resolveName___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getMVarErrorInfo_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1281,13 +1277,13 @@ LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Elab_Term_addTermInfo___spec__
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_throwErrorIfErrors(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_isLetRecAuxMVar___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680_(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_exprToSyntax(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__5(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_withoutModifyingStateWithInfoAndMessages___rarg(lean_object*, lean_object*, lean_object*);
@@ -1317,7 +1313,6 @@ static lean_object* l_Lean_Elab_Term_instInhabitedLetRecToLift___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__2;
 uint8_t l_Std_PersistentArray_anyM___at_Lean_MessageLog_hasErrors___spec__1(lean_object*);
@@ -1327,7 +1322,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Term_0__Lean_Elab_Term_isExplicitApp(lean_object*);
-static lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
 lean_object* l_Lean_Core_setMessageLog(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__1;
 static lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__3___closed__3;
@@ -1341,7 +1335,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_applyResult(lean_object*);
 lean_object* lean_local_ctx_find(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveId_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__13;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__52___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Elab_isFreshInstanceName(lean_object*);
@@ -1358,6 +1351,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Elab_Term_addAutoB
 static lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___closed__9;
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__14;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoeSort___closed__4;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorryImp(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_withInfoTreeContext___at_Lean_Elab_Term_withMacroExpansion___spec__2(lean_object*);
 lean_object* l_Lean_TagDeclarationExtension_tag(lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___spec__6(lean_object*);
@@ -1391,16 +1385,17 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Elab_Term_addAutoBou
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_registerMVarErrorCustomInfo___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_tryCoeThunk_x3f___closed__4;
 LEAN_EXPORT lean_object* l_Array_contains___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__1___boxed(lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1;
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__24;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withAutoBoundImplicit___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__21(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__6;
 static lean_object* l_Lean_Elab_Term_resolveName___closed__1;
 static lean_object* l_Lean_Elab_Term_mkAuxName___closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_setLevelNames___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Term_instAddErrorMessageContextTermElabM___spec__1___closed__1;
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__4;
+static lean_object* l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1;
 static lean_object* l_Lean_Elab_Term_instToStringSyntheticMVarKind___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLocalIdent_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_logAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1423,6 +1418,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits_go___lambda__1__
 static lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_replacePrefix(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at_Lean_Elab_Term_resolveName_x27___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getMVarErrorInfo_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFns___closed__1;
@@ -1449,7 +1445,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkFreshBinderName___rarg___lambda__2(l
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName_process(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_expandDeclId___closed__2;
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Syntax_SepArray_getElems___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_applyAttributesAt___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1466,8 +1461,10 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__7;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFns___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__3;
 uint8_t l_Lean_isStructure(lean_object*, lean_object*);
+lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addTermInfo___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_TermElabM_toIO(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_applyAttributes___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1477,7 +1474,7 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isTacticBlock__
 lean_object* l_ReaderT_instAlternativeReaderT___rarg(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_addAutoBoundImplicits_go___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isTacticBlock___boxed(lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__24(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_panic___at_Lean_Elab_Term_getFVarLocalDecl_x21___spec__1___closed__1;
@@ -1491,11 +1488,11 @@ LEAN_EXPORT lean_object* l_Lean_Elab_withSaveInfoContext___at_Lean_Elab_Term_wit
 static lean_object* l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 static lean_object* l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__2;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__1;
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_expandDeclId___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ContainsPendingMVar_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_mayPostpone___default;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__33(lean_object*, lean_object*, size_t, size_t);
@@ -2085,23 +2082,21 @@ return x_3;
 static lean_object* _init_l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__14() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__13;
 x_3 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__10;
 x_4 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__2;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__15() {
@@ -2190,14 +2185,13 @@ x_1 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__15;
 x_2 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__17;
 x_3 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__18;
 x_4 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__21;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -3042,6 +3036,7 @@ lean_dec(x_15);
 x_18 = lean_ctor_get(x_1, 0);
 lean_inc(x_18);
 x_19 = l_Lean_Meta_SavedState_restore(x_18, x_5, x_6, x_7, x_8, x_16);
+lean_dec(x_18);
 x_20 = lean_ctor_get(x_19, 1);
 lean_inc(x_20);
 lean_dec(x_19);
@@ -11374,7 +11369,7 @@ x_13 = l_Lean_Meta_withLocalDecl___at_Lean_Elab_Term_withAuxDecl___spec__3___rar
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 uint8_t x_9; 
@@ -11437,14 +11432,47 @@ return x_29;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorryImp(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___rarg), 8, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorryImp___rarg), 8, 0);
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_10;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___rarg___lambda__1), 9, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; 
+x_3 = l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1;
+x_4 = lean_apply_3(x_1, lean_box(0), x_3, x_2);
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___rarg), 2, 0);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwErrorIfErrors___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -12758,7 +12786,7 @@ lean_ctor_set(x_26, 2, x_24);
 x_27 = lean_apply_2(x_1, x_22, x_26);
 if (lean_obj_tag(x_27) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
 x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
 x_29 = lean_ctor_get(x_27, 1);
@@ -12766,277 +12794,11 @@ lean_inc(x_29);
 lean_dec(x_27);
 x_30 = lean_ctor_get(x_29, 1);
 lean_inc(x_30);
-x_61 = lean_st_ref_get(x_7, x_25);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-lean_dec(x_61);
-x_63 = lean_st_ref_take(x_5, x_62);
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get_uint8(x_30, sizeof(void*)*8);
-if (x_65 == 0)
-{
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; 
-x_66 = lean_ctor_get(x_64, 0);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_63, 1);
-lean_inc(x_67);
-lean_dec(x_63);
-x_68 = lean_ctor_get(x_30, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_30, 1);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_30, 2);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_30, 3);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_30, 4);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_30, 5);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_30, 6);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_30, 7);
-lean_inc(x_75);
-lean_dec(x_30);
-x_76 = !lean_is_exclusive(x_64);
-if (x_76 == 0)
-{
-lean_object* x_77; uint8_t x_78; 
-x_77 = lean_ctor_get(x_64, 0);
-lean_dec(x_77);
-x_78 = !lean_is_exclusive(x_66);
-if (x_78 == 0)
-{
-lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_79 = lean_ctor_get(x_66, 7);
-lean_dec(x_79);
-x_80 = lean_ctor_get(x_66, 6);
-lean_dec(x_80);
-x_81 = lean_ctor_get(x_66, 5);
-lean_dec(x_81);
-x_82 = lean_ctor_get(x_66, 4);
-lean_dec(x_82);
-x_83 = lean_ctor_get(x_66, 3);
-lean_dec(x_83);
-x_84 = lean_ctor_get(x_66, 2);
-lean_dec(x_84);
-x_85 = lean_ctor_get(x_66, 1);
-lean_dec(x_85);
-x_86 = lean_ctor_get(x_66, 0);
-lean_dec(x_86);
-lean_ctor_set(x_66, 7, x_75);
-lean_ctor_set(x_66, 6, x_74);
-lean_ctor_set(x_66, 5, x_73);
-lean_ctor_set(x_66, 4, x_72);
-lean_ctor_set(x_66, 3, x_71);
-lean_ctor_set(x_66, 2, x_70);
-lean_ctor_set(x_66, 1, x_69);
-lean_ctor_set(x_66, 0, x_68);
-x_87 = lean_st_ref_set(x_5, x_64, x_67);
-x_88 = lean_ctor_get(x_87, 1);
-lean_inc(x_88);
-lean_dec(x_87);
-x_31 = x_88;
-goto block_60;
-}
-else
-{
-uint8_t x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_89 = lean_ctor_get_uint8(x_66, sizeof(void*)*8);
-lean_dec(x_66);
-x_90 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_90, 0, x_68);
-lean_ctor_set(x_90, 1, x_69);
-lean_ctor_set(x_90, 2, x_70);
-lean_ctor_set(x_90, 3, x_71);
-lean_ctor_set(x_90, 4, x_72);
-lean_ctor_set(x_90, 5, x_73);
-lean_ctor_set(x_90, 6, x_74);
-lean_ctor_set(x_90, 7, x_75);
-lean_ctor_set_uint8(x_90, sizeof(void*)*8, x_89);
-lean_ctor_set(x_64, 0, x_90);
-x_91 = lean_st_ref_set(x_5, x_64, x_67);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-lean_dec(x_91);
-x_31 = x_92;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_93 = lean_ctor_get(x_64, 1);
-x_94 = lean_ctor_get(x_64, 2);
-x_95 = lean_ctor_get(x_64, 3);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_64);
-x_96 = lean_ctor_get_uint8(x_66, sizeof(void*)*8);
-if (lean_is_exclusive(x_66)) {
- lean_ctor_release(x_66, 0);
- lean_ctor_release(x_66, 1);
- lean_ctor_release(x_66, 2);
- lean_ctor_release(x_66, 3);
- lean_ctor_release(x_66, 4);
- lean_ctor_release(x_66, 5);
- lean_ctor_release(x_66, 6);
- lean_ctor_release(x_66, 7);
- x_97 = x_66;
-} else {
- lean_dec_ref(x_66);
- x_97 = lean_box(0);
-}
-if (lean_is_scalar(x_97)) {
- x_98 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_98 = x_97;
-}
-lean_ctor_set(x_98, 0, x_68);
-lean_ctor_set(x_98, 1, x_69);
-lean_ctor_set(x_98, 2, x_70);
-lean_ctor_set(x_98, 3, x_71);
-lean_ctor_set(x_98, 4, x_72);
-lean_ctor_set(x_98, 5, x_73);
-lean_ctor_set(x_98, 6, x_74);
-lean_ctor_set(x_98, 7, x_75);
-lean_ctor_set_uint8(x_98, sizeof(void*)*8, x_96);
-x_99 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_99, 0, x_98);
-lean_ctor_set(x_99, 1, x_93);
-lean_ctor_set(x_99, 2, x_94);
-lean_ctor_set(x_99, 3, x_95);
-x_100 = lean_st_ref_set(x_5, x_99, x_67);
-x_101 = lean_ctor_get(x_100, 1);
-lean_inc(x_101);
-lean_dec(x_100);
-x_31 = x_101;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_102; uint8_t x_103; 
-x_102 = lean_ctor_get(x_63, 1);
-lean_inc(x_102);
-lean_dec(x_63);
-x_103 = !lean_is_exclusive(x_30);
-if (x_103 == 0)
-{
-uint8_t x_104; 
-x_104 = !lean_is_exclusive(x_64);
-if (x_104 == 0)
-{
-lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
-x_105 = lean_ctor_get(x_64, 0);
-lean_dec(x_105);
-x_106 = 1;
-lean_ctor_set_uint8(x_30, sizeof(void*)*8, x_106);
-lean_ctor_set(x_64, 0, x_30);
-x_107 = lean_st_ref_set(x_5, x_64, x_102);
-x_108 = lean_ctor_get(x_107, 1);
-lean_inc(x_108);
-lean_dec(x_107);
-x_31 = x_108;
-goto block_60;
-}
-else
-{
-lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_109 = lean_ctor_get(x_64, 1);
-x_110 = lean_ctor_get(x_64, 2);
-x_111 = lean_ctor_get(x_64, 3);
-lean_inc(x_111);
-lean_inc(x_110);
-lean_inc(x_109);
-lean_dec(x_64);
-x_112 = 1;
-lean_ctor_set_uint8(x_30, sizeof(void*)*8, x_112);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_30);
-lean_ctor_set(x_113, 1, x_109);
-lean_ctor_set(x_113, 2, x_110);
-lean_ctor_set(x_113, 3, x_111);
-x_114 = lean_st_ref_set(x_5, x_113, x_102);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_31 = x_115;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-x_116 = lean_ctor_get(x_30, 0);
-x_117 = lean_ctor_get(x_30, 1);
-x_118 = lean_ctor_get(x_30, 2);
-x_119 = lean_ctor_get(x_30, 3);
-x_120 = lean_ctor_get(x_30, 4);
-x_121 = lean_ctor_get(x_30, 5);
-x_122 = lean_ctor_get(x_30, 6);
-x_123 = lean_ctor_get(x_30, 7);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_dec(x_30);
-x_124 = lean_ctor_get(x_64, 1);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_64, 2);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_64, 3);
-lean_inc(x_126);
-if (lean_is_exclusive(x_64)) {
- lean_ctor_release(x_64, 0);
- lean_ctor_release(x_64, 1);
- lean_ctor_release(x_64, 2);
- lean_ctor_release(x_64, 3);
- x_127 = x_64;
-} else {
- lean_dec_ref(x_64);
- x_127 = lean_box(0);
-}
-x_128 = 1;
-x_129 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_129, 0, x_116);
-lean_ctor_set(x_129, 1, x_117);
-lean_ctor_set(x_129, 2, x_118);
-lean_ctor_set(x_129, 3, x_119);
-lean_ctor_set(x_129, 4, x_120);
-lean_ctor_set(x_129, 5, x_121);
-lean_ctor_set(x_129, 6, x_122);
-lean_ctor_set(x_129, 7, x_123);
-lean_ctor_set_uint8(x_129, sizeof(void*)*8, x_128);
-if (lean_is_scalar(x_127)) {
- x_130 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_130 = x_127;
-}
-lean_ctor_set(x_130, 0, x_129);
-lean_ctor_set(x_130, 1, x_124);
-lean_ctor_set(x_130, 2, x_125);
-lean_ctor_set(x_130, 3, x_126);
-x_131 = lean_st_ref_set(x_5, x_130, x_102);
-x_132 = lean_ctor_get(x_131, 1);
-lean_inc(x_132);
-lean_dec(x_131);
-x_31 = x_132;
-goto block_60;
-}
-}
-block_60:
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_32 = lean_ctor_get(x_29, 0);
+x_31 = lean_st_ref_get(x_7, x_25);
+x_32 = lean_ctor_get(x_31, 1);
 lean_inc(x_32);
-x_33 = lean_st_ref_take(x_7, x_31);
+lean_dec(x_31);
+x_33 = lean_st_ref_take(x_5, x_32);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
@@ -13045,114 +12807,224 @@ lean_dec(x_33);
 x_36 = !lean_is_exclusive(x_34);
 if (x_36 == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-x_37 = lean_ctor_get(x_34, 2);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
+x_37 = lean_ctor_get(x_34, 0);
 lean_dec(x_37);
-lean_ctor_set(x_34, 2, x_32);
-x_38 = lean_st_ref_set(x_7, x_34, x_35);
+lean_ctor_set(x_34, 0, x_30);
+x_38 = lean_st_ref_set(x_5, x_34, x_35);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
 lean_dec(x_38);
-x_40 = lean_ctor_get(x_29, 2);
+x_40 = lean_ctor_get(x_29, 0);
 lean_inc(x_40);
-lean_dec(x_29);
-x_41 = l_Lean_Elab_Term_setLevelNames(x_40, x_2, x_3, x_4, x_5, x_6, x_7, x_39);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-lean_ctor_set(x_41, 0, x_28);
-return x_41;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_41, 1);
-lean_inc(x_44);
+x_41 = lean_st_ref_take(x_7, x_39);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
 lean_dec(x_41);
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_28);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
-}
-}
-else
+x_44 = !lean_is_exclusive(x_42);
+if (x_44 == 0)
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_46 = lean_ctor_get(x_34, 0);
-x_47 = lean_ctor_get(x_34, 1);
-x_48 = lean_ctor_get(x_34, 3);
-x_49 = lean_ctor_get(x_34, 4);
-x_50 = lean_ctor_get(x_34, 5);
-x_51 = lean_ctor_get(x_34, 6);
-lean_inc(x_51);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_inc(x_48);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+x_45 = lean_ctor_get(x_42, 2);
+lean_dec(x_45);
+lean_ctor_set(x_42, 2, x_40);
+x_46 = lean_st_ref_set(x_7, x_42, x_43);
+x_47 = lean_ctor_get(x_46, 1);
 lean_inc(x_47);
-lean_inc(x_46);
-lean_dec(x_34);
-x_52 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_52, 0, x_46);
-lean_ctor_set(x_52, 1, x_47);
-lean_ctor_set(x_52, 2, x_32);
-lean_ctor_set(x_52, 3, x_48);
-lean_ctor_set(x_52, 4, x_49);
-lean_ctor_set(x_52, 5, x_50);
-lean_ctor_set(x_52, 6, x_51);
-x_53 = lean_st_ref_set(x_7, x_52, x_35);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-lean_dec(x_53);
-x_55 = lean_ctor_get(x_29, 2);
-lean_inc(x_55);
+lean_dec(x_46);
+x_48 = lean_ctor_get(x_29, 2);
+lean_inc(x_48);
 lean_dec(x_29);
-x_56 = l_Lean_Elab_Term_setLevelNames(x_55, x_2, x_3, x_4, x_5, x_6, x_7, x_54);
-x_57 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_58 = x_56;
-} else {
- lean_dec_ref(x_56);
- x_58 = lean_box(0);
-}
-if (lean_is_scalar(x_58)) {
- x_59 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_59 = x_58;
-}
-lean_ctor_set(x_59, 0, x_28);
-lean_ctor_set(x_59, 1, x_57);
-return x_59;
+x_49 = l_Lean_Elab_Term_setLevelNames(x_48, x_2, x_3, x_4, x_5, x_6, x_7, x_47);
+x_50 = !lean_is_exclusive(x_49);
+if (x_50 == 0)
+{
+lean_object* x_51; 
+x_51 = lean_ctor_get(x_49, 0);
+lean_dec(x_51);
+lean_ctor_set(x_49, 0, x_28);
+return x_49;
 }
+else
+{
+lean_object* x_52; lean_object* x_53; 
+x_52 = lean_ctor_get(x_49, 1);
+lean_inc(x_52);
+lean_dec(x_49);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_28);
+lean_ctor_set(x_53, 1, x_52);
+return x_53;
 }
 }
 else
 {
-uint8_t x_133; 
-x_133 = !lean_is_exclusive(x_27);
-if (x_133 == 0)
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_54 = lean_ctor_get(x_42, 0);
+x_55 = lean_ctor_get(x_42, 1);
+x_56 = lean_ctor_get(x_42, 3);
+x_57 = lean_ctor_get(x_42, 4);
+x_58 = lean_ctor_get(x_42, 5);
+x_59 = lean_ctor_get(x_42, 6);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_42);
+x_60 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_60, 0, x_54);
+lean_ctor_set(x_60, 1, x_55);
+lean_ctor_set(x_60, 2, x_40);
+lean_ctor_set(x_60, 3, x_56);
+lean_ctor_set(x_60, 4, x_57);
+lean_ctor_set(x_60, 5, x_58);
+lean_ctor_set(x_60, 6, x_59);
+x_61 = lean_st_ref_set(x_7, x_60, x_43);
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+lean_dec(x_61);
+x_63 = lean_ctor_get(x_29, 2);
+lean_inc(x_63);
+lean_dec(x_29);
+x_64 = l_Lean_Elab_Term_setLevelNames(x_63, x_2, x_3, x_4, x_5, x_6, x_7, x_62);
+x_65 = lean_ctor_get(x_64, 1);
+lean_inc(x_65);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_66 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_66 = lean_box(0);
+}
+if (lean_is_scalar(x_66)) {
+ x_67 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_67 = x_66;
+}
+lean_ctor_set(x_67, 0, x_28);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
+}
+}
+else
 {
-lean_object* x_134; 
-x_134 = lean_ctor_get(x_27, 1);
-lean_dec(x_134);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_68 = lean_ctor_get(x_34, 1);
+x_69 = lean_ctor_get(x_34, 2);
+x_70 = lean_ctor_get(x_34, 3);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_dec(x_34);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_30);
+lean_ctor_set(x_71, 1, x_68);
+lean_ctor_set(x_71, 2, x_69);
+lean_ctor_set(x_71, 3, x_70);
+x_72 = lean_st_ref_set(x_5, x_71, x_35);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_ctor_get(x_29, 0);
+lean_inc(x_74);
+x_75 = lean_st_ref_take(x_7, x_73);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_76, 1);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_76, 3);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_76, 4);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_76, 5);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_76, 6);
+lean_inc(x_83);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ lean_ctor_release(x_76, 2);
+ lean_ctor_release(x_76, 3);
+ lean_ctor_release(x_76, 4);
+ lean_ctor_release(x_76, 5);
+ lean_ctor_release(x_76, 6);
+ x_84 = x_76;
+} else {
+ lean_dec_ref(x_76);
+ x_84 = lean_box(0);
+}
+if (lean_is_scalar(x_84)) {
+ x_85 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_85 = x_84;
+}
+lean_ctor_set(x_85, 0, x_78);
+lean_ctor_set(x_85, 1, x_79);
+lean_ctor_set(x_85, 2, x_74);
+lean_ctor_set(x_85, 3, x_80);
+lean_ctor_set(x_85, 4, x_81);
+lean_ctor_set(x_85, 5, x_82);
+lean_ctor_set(x_85, 6, x_83);
+x_86 = lean_st_ref_set(x_7, x_85, x_77);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+lean_dec(x_86);
+x_88 = lean_ctor_get(x_29, 2);
+lean_inc(x_88);
+lean_dec(x_29);
+x_89 = l_Lean_Elab_Term_setLevelNames(x_88, x_2, x_3, x_4, x_5, x_6, x_7, x_87);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_91 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_91 = lean_box(0);
+}
+if (lean_is_scalar(x_91)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_92 = x_91;
+}
+lean_ctor_set(x_92, 0, x_28);
+lean_ctor_set(x_92, 1, x_90);
+return x_92;
+}
+}
+else
+{
+uint8_t x_93; 
+x_93 = !lean_is_exclusive(x_27);
+if (x_93 == 0)
+{
+lean_object* x_94; 
+x_94 = lean_ctor_get(x_27, 1);
+lean_dec(x_94);
 lean_ctor_set(x_27, 1, x_25);
 return x_27;
 }
 else
 {
-lean_object* x_135; lean_object* x_136; 
-x_135 = lean_ctor_get(x_27, 0);
-lean_inc(x_135);
+lean_object* x_95; lean_object* x_96; 
+x_95 = lean_ctor_get(x_27, 0);
+lean_inc(x_95);
 lean_dec(x_27);
-x_136 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_136, 0, x_135);
-lean_ctor_set(x_136, 1, x_25);
-return x_136;
+x_96 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_96, 0, x_95);
+lean_ctor_set(x_96, 1, x_25);
+return x_96;
 }
 }
 }
@@ -20230,7 +20102,7 @@ x_27 = lean_ctor_get(x_21, 0);
 x_28 = lean_ctor_get(x_21, 1);
 x_29 = lean_ctor_get(x_16, 0);
 lean_inc(x_29);
-x_30 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_24, x_29);
+x_30 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_24, x_29);
 if (lean_obj_tag(x_30) == 0)
 {
 lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
@@ -20359,7 +20231,7 @@ lean_inc(x_61);
 lean_dec(x_21);
 x_63 = lean_ctor_get(x_16, 0);
 lean_inc(x_63);
-x_64 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_24, x_63);
+x_64 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_24, x_63);
 if (lean_obj_tag(x_64) == 0)
 {
 lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; 
@@ -20518,7 +20390,7 @@ if (lean_is_exclusive(x_21)) {
 }
 x_103 = lean_ctor_get(x_16, 0);
 lean_inc(x_103);
-x_104 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_99, x_103);
+x_104 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_99, x_103);
 if (lean_obj_tag(x_104) == 0)
 {
 lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
@@ -20729,7 +20601,7 @@ x_26 = lean_ctor_get(x_20, 0);
 x_27 = lean_ctor_get(x_20, 1);
 x_28 = lean_ctor_get(x_15, 0);
 lean_inc(x_28);
-x_29 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_23, x_28);
+x_29 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_23, x_28);
 if (lean_obj_tag(x_29) == 0)
 {
 lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
@@ -20858,7 +20730,7 @@ lean_inc(x_60);
 lean_dec(x_20);
 x_62 = lean_ctor_get(x_15, 0);
 lean_inc(x_62);
-x_63 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_23, x_62);
+x_63 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_23, x_62);
 if (lean_obj_tag(x_63) == 0)
 {
 lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
@@ -21017,7 +20889,7 @@ if (lean_is_exclusive(x_20)) {
 }
 x_102 = lean_ctor_get(x_15, 0);
 lean_inc(x_102);
-x_103 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_98, x_102);
+x_103 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_98, x_102);
 if (lean_obj_tag(x_103) == 0)
 {
 lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
@@ -21872,7 +21744,7 @@ return x_3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_levelMVarToParam(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 x_11 = l_Lean_Elab_Term_getLevelNames___rarg(x_5, x_6, x_7, x_8, x_9, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
@@ -21898,416 +21770,93 @@ x_21 = l_Lean_Elab_Term_levelMVarToParam___closed__2;
 x_22 = l_Lean_MetavarContext_levelMVarToParam(x_19, x_20, x_3, x_1, x_21, x_2);
 x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-x_24 = lean_st_ref_get(x_9, x_18);
-x_25 = lean_ctor_get(x_24, 1);
+x_24 = lean_ctor_get(x_22, 2);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_22, 3);
 lean_inc(x_25);
-lean_dec(x_24);
-x_26 = lean_st_ref_take(x_7, x_25);
-x_27 = lean_ctor_get(x_26, 0);
+lean_dec(x_22);
+x_26 = lean_st_ref_get(x_9, x_18);
+x_27 = lean_ctor_get(x_26, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get_uint8(x_23, sizeof(void*)*8);
-if (x_28 == 0)
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
-x_29 = lean_ctor_get(x_27, 0);
+lean_dec(x_26);
+x_28 = lean_st_ref_take(x_7, x_27);
+x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_26, 1);
+x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
-lean_dec(x_26);
-x_31 = lean_ctor_get(x_23, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_23, 1);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_23, 2);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_23, 3);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_23, 4);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_23, 5);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_23, 6);
+lean_dec(x_28);
+x_31 = !lean_is_exclusive(x_29);
+if (x_31 == 0)
+{
+lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_32 = lean_ctor_get(x_29, 0);
+lean_dec(x_32);
+lean_ctor_set(x_29, 0, x_23);
+x_33 = lean_st_ref_set(x_7, x_29, x_30);
+x_34 = !lean_is_exclusive(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_33, 0);
+lean_dec(x_35);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_25);
+lean_ctor_set(x_36, 1, x_24);
+lean_ctor_set(x_33, 0, x_36);
+return x_33;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_33, 1);
 lean_inc(x_37);
-x_38 = lean_ctor_get(x_23, 7);
-lean_inc(x_38);
-lean_dec(x_23);
-x_39 = !lean_is_exclusive(x_27);
-if (x_39 == 0)
-{
-lean_object* x_40; uint8_t x_41; 
-x_40 = lean_ctor_get(x_27, 0);
-lean_dec(x_40);
-x_41 = !lean_is_exclusive(x_29);
-if (x_41 == 0)
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_42 = lean_ctor_get(x_29, 7);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_29, 6);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_29, 5);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_29, 4);
-lean_dec(x_45);
-x_46 = lean_ctor_get(x_29, 3);
-lean_dec(x_46);
-x_47 = lean_ctor_get(x_29, 2);
-lean_dec(x_47);
-x_48 = lean_ctor_get(x_29, 1);
-lean_dec(x_48);
-x_49 = lean_ctor_get(x_29, 0);
-lean_dec(x_49);
-lean_ctor_set(x_29, 7, x_38);
-lean_ctor_set(x_29, 6, x_37);
-lean_ctor_set(x_29, 5, x_36);
-lean_ctor_set(x_29, 4, x_35);
-lean_ctor_set(x_29, 3, x_34);
-lean_ctor_set(x_29, 2, x_33);
-lean_ctor_set(x_29, 1, x_32);
-lean_ctor_set(x_29, 0, x_31);
-x_50 = lean_st_ref_set(x_7, x_27, x_30);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_dec(x_52);
-x_53 = lean_ctor_get(x_22, 3);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_22, 2);
-lean_inc(x_54);
-lean_dec(x_22);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-lean_ctor_set(x_50, 0, x_55);
-return x_50;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_56 = lean_ctor_get(x_50, 1);
-lean_inc(x_56);
-lean_dec(x_50);
-x_57 = lean_ctor_get(x_22, 3);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_22, 2);
-lean_inc(x_58);
-lean_dec(x_22);
-x_59 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_59, 0, x_57);
-lean_ctor_set(x_59, 1, x_58);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_56);
-return x_60;
+lean_dec(x_33);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_25);
+lean_ctor_set(x_38, 1, x_24);
+x_39 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_37);
+return x_39;
 }
 }
 else
 {
-uint8_t x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_61 = lean_ctor_get_uint8(x_29, sizeof(void*)*8);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_40 = lean_ctor_get(x_29, 1);
+x_41 = lean_ctor_get(x_29, 2);
+x_42 = lean_ctor_get(x_29, 3);
+lean_inc(x_42);
+lean_inc(x_41);
+lean_inc(x_40);
 lean_dec(x_29);
-x_62 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_62, 0, x_31);
-lean_ctor_set(x_62, 1, x_32);
-lean_ctor_set(x_62, 2, x_33);
-lean_ctor_set(x_62, 3, x_34);
-lean_ctor_set(x_62, 4, x_35);
-lean_ctor_set(x_62, 5, x_36);
-lean_ctor_set(x_62, 6, x_37);
-lean_ctor_set(x_62, 7, x_38);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_61);
-lean_ctor_set(x_27, 0, x_62);
-x_63 = lean_st_ref_set(x_7, x_27, x_30);
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_65 = x_63;
+x_43 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_43, 0, x_23);
+lean_ctor_set(x_43, 1, x_40);
+lean_ctor_set(x_43, 2, x_41);
+lean_ctor_set(x_43, 3, x_42);
+x_44 = lean_st_ref_set(x_7, x_43, x_30);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+if (lean_is_exclusive(x_44)) {
+ lean_ctor_release(x_44, 0);
+ lean_ctor_release(x_44, 1);
+ x_46 = x_44;
 } else {
- lean_dec_ref(x_63);
- x_65 = lean_box(0);
+ lean_dec_ref(x_44);
+ x_46 = lean_box(0);
 }
-x_66 = lean_ctor_get(x_22, 3);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_22, 2);
-lean_inc(x_67);
-lean_dec(x_22);
-x_68 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_68, 0, x_66);
-lean_ctor_set(x_68, 1, x_67);
-if (lean_is_scalar(x_65)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_25);
+lean_ctor_set(x_47, 1, x_24);
+if (lean_is_scalar(x_46)) {
+ x_48 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_69 = x_65;
-}
-lean_ctor_set(x_69, 0, x_68);
-lean_ctor_set(x_69, 1, x_64);
-return x_69;
-}
-}
-else
-{
-lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_70 = lean_ctor_get(x_27, 1);
-x_71 = lean_ctor_get(x_27, 2);
-x_72 = lean_ctor_get(x_27, 3);
-lean_inc(x_72);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_dec(x_27);
-x_73 = lean_ctor_get_uint8(x_29, sizeof(void*)*8);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- lean_ctor_release(x_29, 2);
- lean_ctor_release(x_29, 3);
- lean_ctor_release(x_29, 4);
- lean_ctor_release(x_29, 5);
- lean_ctor_release(x_29, 6);
- lean_ctor_release(x_29, 7);
- x_74 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_74 = lean_box(0);
-}
-if (lean_is_scalar(x_74)) {
- x_75 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_75 = x_74;
-}
-lean_ctor_set(x_75, 0, x_31);
-lean_ctor_set(x_75, 1, x_32);
-lean_ctor_set(x_75, 2, x_33);
-lean_ctor_set(x_75, 3, x_34);
-lean_ctor_set(x_75, 4, x_35);
-lean_ctor_set(x_75, 5, x_36);
-lean_ctor_set(x_75, 6, x_37);
-lean_ctor_set(x_75, 7, x_38);
-lean_ctor_set_uint8(x_75, sizeof(void*)*8, x_73);
-x_76 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_70);
-lean_ctor_set(x_76, 2, x_71);
-lean_ctor_set(x_76, 3, x_72);
-x_77 = lean_st_ref_set(x_7, x_76, x_30);
-x_78 = lean_ctor_get(x_77, 1);
-lean_inc(x_78);
-if (lean_is_exclusive(x_77)) {
- lean_ctor_release(x_77, 0);
- lean_ctor_release(x_77, 1);
- x_79 = x_77;
-} else {
- lean_dec_ref(x_77);
- x_79 = lean_box(0);
-}
-x_80 = lean_ctor_get(x_22, 3);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_22, 2);
-lean_inc(x_81);
-lean_dec(x_22);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_80);
-lean_ctor_set(x_82, 1, x_81);
-if (lean_is_scalar(x_79)) {
- x_83 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_83 = x_79;
-}
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_78);
-return x_83;
-}
-}
-else
-{
-lean_object* x_84; uint8_t x_85; 
-x_84 = lean_ctor_get(x_26, 1);
-lean_inc(x_84);
-lean_dec(x_26);
-x_85 = !lean_is_exclusive(x_23);
-if (x_85 == 0)
-{
-uint8_t x_86; 
-x_86 = !lean_is_exclusive(x_27);
-if (x_86 == 0)
-{
-lean_object* x_87; uint8_t x_88; lean_object* x_89; uint8_t x_90; 
-x_87 = lean_ctor_get(x_27, 0);
-lean_dec(x_87);
-x_88 = 1;
-lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_88);
-lean_ctor_set(x_27, 0, x_23);
-x_89 = lean_st_ref_set(x_7, x_27, x_84);
-x_90 = !lean_is_exclusive(x_89);
-if (x_90 == 0)
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_91 = lean_ctor_get(x_89, 0);
-lean_dec(x_91);
-x_92 = lean_ctor_get(x_22, 3);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_22, 2);
-lean_inc(x_93);
-lean_dec(x_22);
-x_94 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_94, 0, x_92);
-lean_ctor_set(x_94, 1, x_93);
-lean_ctor_set(x_89, 0, x_94);
-return x_89;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_95 = lean_ctor_get(x_89, 1);
-lean_inc(x_95);
-lean_dec(x_89);
-x_96 = lean_ctor_get(x_22, 3);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_22, 2);
-lean_inc(x_97);
-lean_dec(x_22);
-x_98 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_98, 0, x_96);
-lean_ctor_set(x_98, 1, x_97);
-x_99 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_99, 0, x_98);
-lean_ctor_set(x_99, 1, x_95);
-return x_99;
-}
-}
-else
-{
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_100 = lean_ctor_get(x_27, 1);
-x_101 = lean_ctor_get(x_27, 2);
-x_102 = lean_ctor_get(x_27, 3);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_dec(x_27);
-x_103 = 1;
-lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_103);
-x_104 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_104, 0, x_23);
-lean_ctor_set(x_104, 1, x_100);
-lean_ctor_set(x_104, 2, x_101);
-lean_ctor_set(x_104, 3, x_102);
-x_105 = lean_st_ref_set(x_7, x_104, x_84);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-if (lean_is_exclusive(x_105)) {
- lean_ctor_release(x_105, 0);
- lean_ctor_release(x_105, 1);
- x_107 = x_105;
-} else {
- lean_dec_ref(x_105);
- x_107 = lean_box(0);
-}
-x_108 = lean_ctor_get(x_22, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_22, 2);
-lean_inc(x_109);
-lean_dec(x_22);
-x_110 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_110, 0, x_108);
-lean_ctor_set(x_110, 1, x_109);
-if (lean_is_scalar(x_107)) {
- x_111 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_111 = x_107;
-}
-lean_ctor_set(x_111, 0, x_110);
-lean_ctor_set(x_111, 1, x_106);
-return x_111;
-}
-}
-else
-{
-lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
-x_112 = lean_ctor_get(x_23, 0);
-x_113 = lean_ctor_get(x_23, 1);
-x_114 = lean_ctor_get(x_23, 2);
-x_115 = lean_ctor_get(x_23, 3);
-x_116 = lean_ctor_get(x_23, 4);
-x_117 = lean_ctor_get(x_23, 5);
-x_118 = lean_ctor_get(x_23, 6);
-x_119 = lean_ctor_get(x_23, 7);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_dec(x_23);
-x_120 = lean_ctor_get(x_27, 1);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_27, 2);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_27, 3);
-lean_inc(x_122);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- lean_ctor_release(x_27, 2);
- lean_ctor_release(x_27, 3);
- x_123 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_123 = lean_box(0);
-}
-x_124 = 1;
-x_125 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_125, 0, x_112);
-lean_ctor_set(x_125, 1, x_113);
-lean_ctor_set(x_125, 2, x_114);
-lean_ctor_set(x_125, 3, x_115);
-lean_ctor_set(x_125, 4, x_116);
-lean_ctor_set(x_125, 5, x_117);
-lean_ctor_set(x_125, 6, x_118);
-lean_ctor_set(x_125, 7, x_119);
-lean_ctor_set_uint8(x_125, sizeof(void*)*8, x_124);
-if (lean_is_scalar(x_123)) {
- x_126 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_126 = x_123;
-}
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_120);
-lean_ctor_set(x_126, 2, x_121);
-lean_ctor_set(x_126, 3, x_122);
-x_127 = lean_st_ref_set(x_7, x_126, x_84);
-x_128 = lean_ctor_get(x_127, 1);
-lean_inc(x_128);
-if (lean_is_exclusive(x_127)) {
- lean_ctor_release(x_127, 0);
- lean_ctor_release(x_127, 1);
- x_129 = x_127;
-} else {
- lean_dec_ref(x_127);
- x_129 = lean_box(0);
-}
-x_130 = lean_ctor_get(x_22, 3);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_22, 2);
-lean_inc(x_131);
-lean_dec(x_22);
-x_132 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_132, 0, x_130);
-lean_ctor_set(x_132, 1, x_131);
-if (lean_is_scalar(x_129)) {
- x_133 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_133 = x_129;
-}
-lean_ctor_set(x_133, 0, x_132);
-lean_ctor_set(x_133, 1, x_128);
-return x_133;
+ x_48 = x_46;
 }
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_45);
+return x_48;
 }
 }
 }
@@ -24751,7 +24300,57 @@ return x_44;
 }
 }
 }
-static lean_object* _init_l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_6, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_ctor_get(x_15, 7);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_16, x_1);
+x_18 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_12, 0, x_18);
+return x_12;
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_19 = lean_ctor_get(x_12, 0);
+x_20 = lean_ctor_get(x_12, 1);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_dec(x_12);
+x_21 = lean_ctor_get(x_19, 0);
+lean_inc(x_21);
+lean_dec(x_19);
+x_22 = lean_ctor_get(x_21, 7);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_22, x_1);
+x_24 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_24, 0, x_23);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_20);
+return x_25;
+}
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -24761,275 +24360,6 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___boxed), 4, 0);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_11, 0, x_1);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_10);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_6, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 7);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_box(0);
-x_19 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1(x_17, x_18, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_20 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg(x_6, x_7, x_8, x_14);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
-x_23 = lean_ctor_get(x_21, 0);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1(x_17, x_23, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_22);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_23);
-return x_24;
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ContainsPendingMVar_visit(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -25072,15 +24402,11 @@ if (lean_obj_tag(x_49) == 0)
 {
 lean_object* x_50; lean_object* x_51; 
 lean_dec(x_49);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
 lean_dec(x_48);
-x_51 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
+x_51 = l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1;
 x_18 = x_51;
 x_19 = x_50;
 goto block_47;
@@ -25094,8 +24420,6 @@ lean_dec(x_48);
 x_53 = lean_ctor_get(x_49, 4);
 lean_inc(x_53);
 lean_dec(x_49);
-lean_inc(x_8);
-lean_inc(x_2);
 x_54 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_53, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_52);
 if (lean_obj_tag(x_54) == 0)
 {
@@ -25113,8 +24437,6 @@ else
 {
 uint8_t x_57; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_57 = !lean_is_exclusive(x_54);
 if (x_57 == 0)
@@ -25141,13 +24463,7 @@ else
 {
 uint8_t x_61; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_61 = !lean_is_exclusive(x_48);
 if (x_61 == 0)
@@ -25173,8 +24489,6 @@ block_47:
 if (lean_obj_tag(x_18) == 0)
 {
 lean_object* x_20; lean_object* x_21; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_20 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -25196,7 +24510,6 @@ if (x_22 == 0)
 lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 x_23 = lean_ctor_get(x_18, 0);
 x_24 = lean_st_ref_get(x_8, x_19);
-lean_dec(x_8);
 x_25 = lean_ctor_get(x_24, 1);
 lean_inc(x_25);
 lean_dec(x_24);
@@ -25209,7 +24522,6 @@ lean_dec(x_26);
 lean_inc(x_23);
 x_29 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_27, x_1, x_23);
 x_30 = lean_st_ref_set(x_2, x_29, x_28);
-lean_dec(x_2);
 x_31 = !lean_is_exclusive(x_30);
 if (x_31 == 0)
 {
@@ -25238,7 +24550,6 @@ x_35 = lean_ctor_get(x_18, 0);
 lean_inc(x_35);
 lean_dec(x_18);
 x_36 = lean_st_ref_get(x_8, x_19);
-lean_dec(x_8);
 x_37 = lean_ctor_get(x_36, 1);
 lean_inc(x_37);
 lean_dec(x_36);
@@ -25251,7 +24562,6 @@ lean_dec(x_38);
 lean_inc(x_35);
 x_41 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_39, x_1, x_35);
 x_42 = lean_st_ref_set(x_2, x_41, x_40);
-lean_dec(x_2);
 x_43 = lean_ctor_get(x_42, 1);
 lean_inc(x_43);
 if (lean_is_exclusive(x_42)) {
@@ -25296,8 +24606,6 @@ if (x_100 == 0)
 {
 lean_object* x_101; 
 lean_dec(x_65);
-lean_inc(x_8);
-lean_inc(x_2);
 x_101 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_99, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_98);
 if (lean_obj_tag(x_101) == 0)
 {
@@ -25315,8 +24623,6 @@ else
 {
 uint8_t x_104; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_104 = !lean_is_exclusive(x_101);
 if (x_104 == 0)
@@ -25342,13 +24648,6 @@ else
 {
 lean_object* x_108; lean_object* x_109; lean_object* x_110; 
 lean_dec(x_99);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_108 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2(x_65, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_98);
 x_109 = lean_ctor_get(x_108, 0);
 lean_inc(x_109);
@@ -25358,11 +24657,7 @@ lean_dec(x_109);
 if (lean_obj_tag(x_110) == 0)
 {
 lean_object* x_111; lean_object* x_112; 
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_111 = lean_ctor_get(x_108, 1);
 lean_inc(x_111);
 lean_dec(x_108);
@@ -25384,8 +24679,6 @@ x_115 = lean_ctor_get(x_114, 1);
 lean_inc(x_115);
 lean_dec(x_114);
 x_116 = l_Lean_Expr_mvar___override(x_115);
-lean_inc(x_8);
-lean_inc(x_2);
 x_117 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_116, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_113);
 if (lean_obj_tag(x_117) == 0)
 {
@@ -25403,8 +24696,6 @@ else
 {
 uint8_t x_120; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_120 = !lean_is_exclusive(x_117);
 if (x_120 == 0)
@@ -25432,8 +24723,6 @@ block_95:
 if (lean_obj_tag(x_66) == 0)
 {
 lean_object* x_68; lean_object* x_69; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_68 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -25455,7 +24744,6 @@ if (x_70 == 0)
 lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
 x_71 = lean_ctor_get(x_66, 0);
 x_72 = lean_st_ref_get(x_8, x_67);
-lean_dec(x_8);
 x_73 = lean_ctor_get(x_72, 1);
 lean_inc(x_73);
 lean_dec(x_72);
@@ -25468,7 +24756,6 @@ lean_dec(x_74);
 lean_inc(x_71);
 x_77 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_75, x_1, x_71);
 x_78 = lean_st_ref_set(x_2, x_77, x_76);
-lean_dec(x_2);
 x_79 = !lean_is_exclusive(x_78);
 if (x_79 == 0)
 {
@@ -25497,7 +24784,6 @@ x_83 = lean_ctor_get(x_66, 0);
 lean_inc(x_83);
 lean_dec(x_66);
 x_84 = lean_st_ref_get(x_8, x_67);
-lean_dec(x_8);
 x_85 = lean_ctor_get(x_84, 1);
 lean_inc(x_85);
 lean_dec(x_84);
@@ -25510,7 +24796,6 @@ lean_dec(x_86);
 lean_inc(x_83);
 x_89 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_87, x_1, x_83);
 x_90 = lean_st_ref_set(x_2, x_89, x_88);
-lean_dec(x_2);
 x_91 = lean_ctor_get(x_90, 1);
 lean_inc(x_91);
 if (lean_is_exclusive(x_90)) {
@@ -25542,13 +24827,7 @@ x_124 = lean_ctor_get(x_1, 0);
 lean_inc(x_124);
 x_125 = lean_ctor_get(x_1, 1);
 lean_inc(x_125);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_156 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_124, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_156) == 0)
 {
@@ -25559,11 +24838,7 @@ if (lean_obj_tag(x_157) == 0)
 {
 lean_object* x_158; lean_object* x_159; 
 lean_dec(x_125);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_158 = lean_ctor_get(x_156, 1);
 lean_inc(x_158);
 lean_dec(x_156);
@@ -25579,8 +24854,6 @@ lean_dec(x_157);
 x_160 = lean_ctor_get(x_156, 1);
 lean_inc(x_160);
 lean_dec(x_156);
-lean_inc(x_8);
-lean_inc(x_2);
 x_161 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_125, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_160);
 if (lean_obj_tag(x_161) == 0)
 {
@@ -25598,8 +24871,6 @@ else
 {
 uint8_t x_164; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_164 = !lean_is_exclusive(x_161);
 if (x_164 == 0)
@@ -25627,13 +24898,7 @@ else
 uint8_t x_168; 
 lean_dec(x_125);
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_168 = !lean_is_exclusive(x_156);
 if (x_168 == 0)
@@ -25659,8 +24924,6 @@ block_155:
 if (lean_obj_tag(x_126) == 0)
 {
 lean_object* x_128; lean_object* x_129; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_128 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -25682,7 +24945,6 @@ if (x_130 == 0)
 lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; 
 x_131 = lean_ctor_get(x_126, 0);
 x_132 = lean_st_ref_get(x_8, x_127);
-lean_dec(x_8);
 x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
 lean_dec(x_132);
@@ -25695,7 +24957,6 @@ lean_dec(x_134);
 lean_inc(x_131);
 x_137 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_135, x_1, x_131);
 x_138 = lean_st_ref_set(x_2, x_137, x_136);
-lean_dec(x_2);
 x_139 = !lean_is_exclusive(x_138);
 if (x_139 == 0)
 {
@@ -25724,7 +24985,6 @@ x_143 = lean_ctor_get(x_126, 0);
 lean_inc(x_143);
 lean_dec(x_126);
 x_144 = lean_st_ref_get(x_8, x_127);
-lean_dec(x_8);
 x_145 = lean_ctor_get(x_144, 1);
 lean_inc(x_145);
 lean_dec(x_144);
@@ -25737,7 +24997,6 @@ lean_dec(x_146);
 lean_inc(x_143);
 x_149 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_147, x_1, x_143);
 x_150 = lean_st_ref_set(x_2, x_149, x_148);
-lean_dec(x_2);
 x_151 = lean_ctor_get(x_150, 1);
 lean_inc(x_151);
 if (lean_is_exclusive(x_150)) {
@@ -25769,13 +25028,7 @@ x_172 = lean_ctor_get(x_1, 1);
 lean_inc(x_172);
 x_173 = lean_ctor_get(x_1, 2);
 lean_inc(x_173);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_204 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_172, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_204) == 0)
 {
@@ -25786,11 +25039,7 @@ if (lean_obj_tag(x_205) == 0)
 {
 lean_object* x_206; lean_object* x_207; 
 lean_dec(x_173);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_206 = lean_ctor_get(x_204, 1);
 lean_inc(x_206);
 lean_dec(x_204);
@@ -25806,8 +25055,6 @@ lean_dec(x_205);
 x_208 = lean_ctor_get(x_204, 1);
 lean_inc(x_208);
 lean_dec(x_204);
-lean_inc(x_8);
-lean_inc(x_2);
 x_209 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_173, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_208);
 if (lean_obj_tag(x_209) == 0)
 {
@@ -25825,8 +25072,6 @@ else
 {
 uint8_t x_212; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_212 = !lean_is_exclusive(x_209);
 if (x_212 == 0)
@@ -25854,13 +25099,7 @@ else
 uint8_t x_216; 
 lean_dec(x_173);
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_216 = !lean_is_exclusive(x_204);
 if (x_216 == 0)
@@ -25886,8 +25125,6 @@ block_203:
 if (lean_obj_tag(x_174) == 0)
 {
 lean_object* x_176; lean_object* x_177; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_176 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -25909,7 +25146,6 @@ if (x_178 == 0)
 lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
 x_179 = lean_ctor_get(x_174, 0);
 x_180 = lean_st_ref_get(x_8, x_175);
-lean_dec(x_8);
 x_181 = lean_ctor_get(x_180, 1);
 lean_inc(x_181);
 lean_dec(x_180);
@@ -25922,7 +25158,6 @@ lean_dec(x_182);
 lean_inc(x_179);
 x_185 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_183, x_1, x_179);
 x_186 = lean_st_ref_set(x_2, x_185, x_184);
-lean_dec(x_2);
 x_187 = !lean_is_exclusive(x_186);
 if (x_187 == 0)
 {
@@ -25951,7 +25186,6 @@ x_191 = lean_ctor_get(x_174, 0);
 lean_inc(x_191);
 lean_dec(x_174);
 x_192 = lean_st_ref_get(x_8, x_175);
-lean_dec(x_8);
 x_193 = lean_ctor_get(x_192, 1);
 lean_inc(x_193);
 lean_dec(x_192);
@@ -25964,7 +25198,6 @@ lean_dec(x_194);
 lean_inc(x_191);
 x_197 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_195, x_1, x_191);
 x_198 = lean_st_ref_set(x_2, x_197, x_196);
-lean_dec(x_2);
 x_199 = lean_ctor_get(x_198, 1);
 lean_inc(x_199);
 if (lean_is_exclusive(x_198)) {
@@ -25996,13 +25229,7 @@ x_220 = lean_ctor_get(x_1, 1);
 lean_inc(x_220);
 x_221 = lean_ctor_get(x_1, 2);
 lean_inc(x_221);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_252 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_220, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_252) == 0)
 {
@@ -26013,11 +25240,7 @@ if (lean_obj_tag(x_253) == 0)
 {
 lean_object* x_254; lean_object* x_255; 
 lean_dec(x_221);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_254 = lean_ctor_get(x_252, 1);
 lean_inc(x_254);
 lean_dec(x_252);
@@ -26033,8 +25256,6 @@ lean_dec(x_253);
 x_256 = lean_ctor_get(x_252, 1);
 lean_inc(x_256);
 lean_dec(x_252);
-lean_inc(x_8);
-lean_inc(x_2);
 x_257 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_221, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_256);
 if (lean_obj_tag(x_257) == 0)
 {
@@ -26052,8 +25273,6 @@ else
 {
 uint8_t x_260; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_260 = !lean_is_exclusive(x_257);
 if (x_260 == 0)
@@ -26081,13 +25300,7 @@ else
 uint8_t x_264; 
 lean_dec(x_221);
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_264 = !lean_is_exclusive(x_252);
 if (x_264 == 0)
@@ -26113,8 +25326,6 @@ block_251:
 if (lean_obj_tag(x_222) == 0)
 {
 lean_object* x_224; lean_object* x_225; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_224 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -26136,7 +25347,6 @@ if (x_226 == 0)
 lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; uint8_t x_235; 
 x_227 = lean_ctor_get(x_222, 0);
 x_228 = lean_st_ref_get(x_8, x_223);
-lean_dec(x_8);
 x_229 = lean_ctor_get(x_228, 1);
 lean_inc(x_229);
 lean_dec(x_228);
@@ -26149,7 +25359,6 @@ lean_dec(x_230);
 lean_inc(x_227);
 x_233 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_231, x_1, x_227);
 x_234 = lean_st_ref_set(x_2, x_233, x_232);
-lean_dec(x_2);
 x_235 = !lean_is_exclusive(x_234);
 if (x_235 == 0)
 {
@@ -26178,7 +25387,6 @@ x_239 = lean_ctor_get(x_222, 0);
 lean_inc(x_239);
 lean_dec(x_222);
 x_240 = lean_st_ref_get(x_8, x_223);
-lean_dec(x_8);
 x_241 = lean_ctor_get(x_240, 1);
 lean_inc(x_241);
 lean_dec(x_240);
@@ -26191,7 +25399,6 @@ lean_dec(x_242);
 lean_inc(x_239);
 x_245 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_243, x_1, x_239);
 x_246 = lean_st_ref_set(x_2, x_245, x_244);
-lean_dec(x_2);
 x_247 = lean_ctor_get(x_246, 1);
 lean_inc(x_247);
 if (lean_is_exclusive(x_246)) {
@@ -26225,13 +25432,7 @@ x_269 = lean_ctor_get(x_1, 2);
 lean_inc(x_269);
 x_270 = lean_ctor_get(x_1, 3);
 lean_inc(x_270);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_301 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_268, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_301) == 0)
 {
@@ -26243,11 +25444,7 @@ if (lean_obj_tag(x_302) == 0)
 lean_object* x_303; lean_object* x_304; 
 lean_dec(x_270);
 lean_dec(x_269);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_303 = lean_ctor_get(x_301, 1);
 lean_inc(x_303);
 lean_dec(x_301);
@@ -26263,13 +25460,7 @@ lean_dec(x_302);
 x_305 = lean_ctor_get(x_301, 1);
 lean_inc(x_305);
 lean_dec(x_301);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
 x_306 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_269, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_305);
 if (lean_obj_tag(x_306) == 0)
 {
@@ -26280,11 +25471,7 @@ if (lean_obj_tag(x_307) == 0)
 {
 lean_object* x_308; lean_object* x_309; 
 lean_dec(x_270);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_308 = lean_ctor_get(x_306, 1);
 lean_inc(x_308);
 lean_dec(x_306);
@@ -26300,8 +25487,6 @@ lean_dec(x_307);
 x_310 = lean_ctor_get(x_306, 1);
 lean_inc(x_310);
 lean_dec(x_306);
-lean_inc(x_8);
-lean_inc(x_2);
 x_311 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_270, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_310);
 if (lean_obj_tag(x_311) == 0)
 {
@@ -26319,8 +25504,6 @@ else
 {
 uint8_t x_314; 
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_314 = !lean_is_exclusive(x_311);
 if (x_314 == 0)
@@ -26348,13 +25531,7 @@ else
 uint8_t x_318; 
 lean_dec(x_270);
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_318 = !lean_is_exclusive(x_306);
 if (x_318 == 0)
@@ -26383,13 +25560,7 @@ uint8_t x_322;
 lean_dec(x_270);
 lean_dec(x_269);
 lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_322 = !lean_is_exclusive(x_301);
 if (x_322 == 0)
@@ -26415,8 +25586,6 @@ block_300:
 if (lean_obj_tag(x_271) == 0)
 {
 lean_object* x_273; lean_object* x_274; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_273 = lean_box(0);
 if (lean_is_scalar(x_15)) {
@@ -26438,7 +25607,6 @@ if (x_275 == 0)
 lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; uint8_t x_284; 
 x_276 = lean_ctor_get(x_271, 0);
 x_277 = lean_st_ref_get(x_8, x_272);
-lean_dec(x_8);
 x_278 = lean_ctor_get(x_277, 1);
 lean_inc(x_278);
 lean_dec(x_277);
@@ -26451,7 +25619,6 @@ lean_dec(x_279);
 lean_inc(x_276);
 x_282 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_280, x_1, x_276);
 x_283 = lean_st_ref_set(x_2, x_282, x_281);
-lean_dec(x_2);
 x_284 = !lean_is_exclusive(x_283);
 if (x_284 == 0)
 {
@@ -26480,7 +25647,6 @@ x_288 = lean_ctor_get(x_271, 0);
 lean_inc(x_288);
 lean_dec(x_271);
 x_289 = lean_st_ref_get(x_8, x_272);
-lean_dec(x_8);
 x_290 = lean_ctor_get(x_289, 1);
 lean_inc(x_290);
 lean_dec(x_289);
@@ -26493,7 +25659,6 @@ lean_dec(x_291);
 lean_inc(x_288);
 x_294 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_292, x_1, x_288);
 x_295 = lean_st_ref_set(x_2, x_294, x_293);
-lean_dec(x_2);
 x_296 = lean_ctor_get(x_295, 1);
 lean_inc(x_296);
 if (lean_is_exclusive(x_295)) {
@@ -26524,8 +25689,6 @@ lean_object* x_326; lean_object* x_327;
 lean_dec(x_15);
 x_326 = lean_ctor_get(x_1, 1);
 lean_inc(x_326);
-lean_inc(x_8);
-lean_inc(x_2);
 x_327 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_326, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_327) == 0)
 {
@@ -26535,8 +25698,6 @@ lean_inc(x_328);
 if (lean_obj_tag(x_328) == 0)
 {
 uint8_t x_329; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_329 = !lean_is_exclusive(x_327);
 if (x_329 == 0)
@@ -26573,7 +25734,6 @@ if (x_336 == 0)
 lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; uint8_t x_345; 
 x_337 = lean_ctor_get(x_328, 0);
 x_338 = lean_st_ref_get(x_8, x_335);
-lean_dec(x_8);
 x_339 = lean_ctor_get(x_338, 1);
 lean_inc(x_339);
 lean_dec(x_338);
@@ -26586,7 +25746,6 @@ lean_dec(x_340);
 lean_inc(x_337);
 x_343 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_341, x_1, x_337);
 x_344 = lean_st_ref_set(x_2, x_343, x_342);
-lean_dec(x_2);
 x_345 = !lean_is_exclusive(x_344);
 if (x_345 == 0)
 {
@@ -26615,7 +25774,6 @@ x_349 = lean_ctor_get(x_328, 0);
 lean_inc(x_349);
 lean_dec(x_328);
 x_350 = lean_st_ref_get(x_8, x_335);
-lean_dec(x_8);
 x_351 = lean_ctor_get(x_350, 1);
 lean_inc(x_351);
 lean_dec(x_350);
@@ -26628,7 +25786,6 @@ lean_dec(x_352);
 lean_inc(x_349);
 x_355 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_353, x_1, x_349);
 x_356 = lean_st_ref_set(x_2, x_355, x_354);
-lean_dec(x_2);
 x_357 = lean_ctor_get(x_356, 1);
 lean_inc(x_357);
 if (lean_is_exclusive(x_356)) {
@@ -26655,8 +25812,6 @@ return x_360;
 else
 {
 uint8_t x_361; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_361 = !lean_is_exclusive(x_327);
 if (x_361 == 0)
@@ -26684,8 +25839,6 @@ lean_object* x_365; lean_object* x_366;
 lean_dec(x_15);
 x_365 = lean_ctor_get(x_1, 2);
 lean_inc(x_365);
-lean_inc(x_8);
-lean_inc(x_2);
 x_366 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_365, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_366) == 0)
 {
@@ -26695,8 +25848,6 @@ lean_inc(x_367);
 if (lean_obj_tag(x_367) == 0)
 {
 uint8_t x_368; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_368 = !lean_is_exclusive(x_366);
 if (x_368 == 0)
@@ -26733,7 +25884,6 @@ if (x_375 == 0)
 lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; uint8_t x_384; 
 x_376 = lean_ctor_get(x_367, 0);
 x_377 = lean_st_ref_get(x_8, x_374);
-lean_dec(x_8);
 x_378 = lean_ctor_get(x_377, 1);
 lean_inc(x_378);
 lean_dec(x_377);
@@ -26746,7 +25896,6 @@ lean_dec(x_379);
 lean_inc(x_376);
 x_382 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_380, x_1, x_376);
 x_383 = lean_st_ref_set(x_2, x_382, x_381);
-lean_dec(x_2);
 x_384 = !lean_is_exclusive(x_383);
 if (x_384 == 0)
 {
@@ -26775,7 +25924,6 @@ x_388 = lean_ctor_get(x_367, 0);
 lean_inc(x_388);
 lean_dec(x_367);
 x_389 = lean_st_ref_get(x_8, x_374);
-lean_dec(x_8);
 x_390 = lean_ctor_get(x_389, 1);
 lean_inc(x_390);
 lean_dec(x_389);
@@ -26788,7 +25936,6 @@ lean_dec(x_391);
 lean_inc(x_388);
 x_394 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_392, x_1, x_388);
 x_395 = lean_st_ref_set(x_2, x_394, x_393);
-lean_dec(x_2);
 x_396 = lean_ctor_get(x_395, 1);
 lean_inc(x_396);
 if (lean_is_exclusive(x_395)) {
@@ -26815,8 +25962,6 @@ return x_399;
 else
 {
 uint8_t x_400; 
-lean_dec(x_8);
-lean_dec(x_2);
 lean_dec(x_1);
 x_400 = !lean_is_exclusive(x_366);
 if (x_400 == 0)
@@ -26842,13 +25987,8 @@ default:
 {
 lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; uint8_t x_412; 
 lean_dec(x_15);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 x_404 = lean_st_ref_get(x_8, x_14);
-lean_dec(x_8);
 x_405 = lean_ctor_get(x_404, 1);
 lean_inc(x_405);
 lean_dec(x_404);
@@ -26861,14 +26001,13 @@ lean_dec(x_406);
 x_409 = lean_box(0);
 x_410 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_407, x_1, x_409);
 x_411 = lean_st_ref_set(x_2, x_410, x_408);
-lean_dec(x_2);
 x_412 = !lean_is_exclusive(x_411);
 if (x_412 == 0)
 {
 lean_object* x_413; lean_object* x_414; 
 x_413 = lean_ctor_get(x_411, 0);
 lean_dec(x_413);
-x_414 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
+x_414 = l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1;
 lean_ctor_set(x_411, 0, x_414);
 return x_411;
 }
@@ -26878,7 +26017,7 @@ lean_object* x_415; lean_object* x_416; lean_object* x_417;
 x_415 = lean_ctor_get(x_411, 1);
 lean_inc(x_415);
 lean_dec(x_411);
-x_416 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
+x_416 = l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1;
 x_417 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_417, 0, x_416);
 lean_ctor_set(x_417, 1, x_415);
@@ -26890,13 +26029,7 @@ return x_417;
 else
 {
 uint8_t x_418; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
 x_418 = !lean_is_exclusive(x_16);
 if (x_418 == 0)
@@ -26946,35 +26079,11 @@ lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3(x_1, x_2, x_3, x_4);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_9);
+lean_object* x_10; 
+x_10 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -26982,7 +26091,21 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_11;
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ContainsPendingMVar_visit___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_containsPendingMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
@@ -27000,8 +26123,6 @@ lean_inc(x_22);
 x_23 = lean_ctor_get(x_21, 1);
 lean_inc(x_23);
 lean_dec(x_21);
-lean_inc(x_7);
-lean_inc(x_22);
 x_24 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_1, x_22, x_2, x_3, x_4, x_5, x_6, x_7, x_23);
 if (lean_obj_tag(x_24) == 0)
 {
@@ -27012,7 +26133,6 @@ if (lean_obj_tag(x_25) == 0)
 {
 lean_object* x_26; lean_object* x_27; 
 lean_dec(x_22);
-lean_dec(x_7);
 x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
 lean_dec(x_24);
@@ -27033,7 +26153,6 @@ if (x_29 == 0)
 lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
 x_30 = lean_ctor_get(x_25, 0);
 x_31 = lean_st_ref_get(x_7, x_28);
-lean_dec(x_7);
 x_32 = lean_ctor_get(x_31, 1);
 lean_inc(x_32);
 lean_dec(x_31);
@@ -27059,7 +26178,6 @@ x_37 = lean_ctor_get(x_25, 0);
 lean_inc(x_37);
 lean_dec(x_25);
 x_38 = lean_st_ref_get(x_7, x_28);
-lean_dec(x_7);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
 lean_dec(x_38);
@@ -27085,7 +26203,6 @@ else
 {
 uint8_t x_45; 
 lean_dec(x_22);
-lean_dec(x_7);
 x_45 = !lean_is_exclusive(x_24);
 if (x_45 == 0)
 {
@@ -27131,6 +26248,19 @@ return x_16;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_containsPendingMVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_containsPendingMVar(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -27179,256 +26309,55 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg___boxed), 4, 0);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_9 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_st_ref_get(x_7, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+x_11 = lean_st_ref_get(x_5, x_10);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_ctor_get(x_16, 6);
-lean_inc(x_17);
-lean_dec(x_16);
-x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_17, x_1);
-x_19 = lean_box(x_18);
-lean_ctor_set(x_13, 0, x_19);
-return x_13;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = lean_ctor_get(x_14, 6);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_15, x_1);
+x_17 = lean_box(x_16);
+lean_ctor_set(x_11, 0, x_17);
+return x_11;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = lean_ctor_get(x_13, 0);
-x_21 = lean_ctor_get(x_13, 1);
-lean_inc(x_21);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = lean_ctor_get(x_11, 0);
+x_19 = lean_ctor_get(x_11, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_11);
+x_20 = lean_ctor_get(x_18, 0);
 lean_inc(x_20);
-lean_dec(x_13);
-x_22 = lean_ctor_get(x_20, 0);
-lean_inc(x_22);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_20, 6);
+lean_inc(x_21);
 lean_dec(x_20);
-x_23 = lean_ctor_get(x_22, 6);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_23, x_1);
-x_25 = lean_box(x_24);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_21);
-return x_26;
+x_22 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_21, x_1);
+x_23 = lean_box(x_22);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_19);
+return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
@@ -27543,7 +26472,7 @@ x_19 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__5;
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
-x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 x_22 = !lean_is_exclusive(x_21);
 if (x_22 == 0)
 {
@@ -27694,7 +26623,7 @@ x_33 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__5;
 x_34 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_34, 0, x_32);
 lean_ctor_set(x_34, 1, x_33);
-x_35 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_34, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
+x_35 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_34, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -28019,7 +26948,7 @@ x_50 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__5;
 x_51 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_51, 0, x_49);
 lean_ctor_set(x_51, 1, x_50);
-x_52 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_51, x_3, x_4, x_5, x_6, x_7, x_8, x_46);
+x_52 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_51, x_3, x_4, x_5, x_6, x_7, x_8, x_46);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -28123,12 +27052,7 @@ if (lean_is_exclusive(x_68)) {
  lean_dec_ref(x_68);
  x_72 = lean_box(0);
 }
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
 lean_inc(x_66);
 x_81 = l_Lean_Elab_Term_containsPendingMVar(x_66, x_3, x_4, x_5, x_6, x_7, x_8, x_71);
 if (lean_obj_tag(x_81) == 0)
@@ -28144,12 +27068,7 @@ lean_dec(x_82);
 x_84 = lean_ctor_get(x_81, 1);
 lean_inc(x_84);
 lean_dec(x_81);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
 lean_inc(x_36);
 x_85 = l_Lean_Elab_Term_containsPendingMVar(x_36, x_3, x_4, x_5, x_6, x_7, x_8, x_84);
 if (lean_obj_tag(x_85) == 0)
@@ -28405,28 +27324,6 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -28441,11 +27338,11 @@ lean_dec(x_2);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -28494,7 +27391,7 @@ lean_dec(x_3);
 return x_12;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -28502,17 +27399,17 @@ x_1 = lean_mk_string_from_bytes("autoLift", 8);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -28520,13 +27417,13 @@ x_1 = lean_mk_string_from_bytes("insert monadic lifts (i.e., `liftM` and coercio
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 1;
 x_2 = l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__1;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -28535,17 +27432,17 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4;
 x_4 = l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_7____spec__1(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -28553,17 +27450,17 @@ x_1 = lean_mk_string_from_bytes("maxCoeSize", 10);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -28571,13 +27468,13 @@ x_1 = lean_mk_string_from_bytes("maximum number of instances used to construct a
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = lean_unsigned_to_nat(16u);
 x_2 = l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__1;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -28585,12 +27482,12 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4;
 x_4 = l_Lean_Option_register___at_Lean_initFn____x40_Lean_Util_RecDepth___hyg_6____spec__1(x_2, x_3, x_1);
 return x_4;
 }
@@ -45436,7 +44333,7 @@ x_54 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__5;
 x_55 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_55, 0, x_53);
 lean_ctor_set(x_55, 1, x_54);
-x_56 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_55, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
+x_56 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_55, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -47778,7 +46675,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -48506,7 +47403,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -49234,7 +48131,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -49962,7 +48859,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -50690,7 +49587,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -51418,7 +50315,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -51720,7 +50617,7 @@ _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
 x_10 = lean_ctor_get(x_1, 3);
 lean_inc(x_10);
 lean_dec(x_1);
@@ -51737,235 +50634,170 @@ lean_dec(x_13);
 x_16 = lean_ctor_get(x_14, 0);
 lean_inc(x_16);
 lean_dec(x_14);
-x_115 = l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__1___closed__1;
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_16);
-x_117 = l_Lean_Expr_hasFVar(x_10);
-if (x_117 == 0)
+x_17 = l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__1___closed__1;
+lean_inc(x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+x_19 = l_Lean_Expr_hasFVar(x_10);
+if (x_19 == 0)
 {
-uint8_t x_118; 
-x_118 = l_Lean_Expr_hasMVar(x_10);
-if (x_118 == 0)
+uint8_t x_20; 
+x_20 = l_Lean_Expr_hasMVar(x_10);
+if (x_20 == 0)
 {
-uint8_t x_119; 
-lean_dec(x_10);
-x_119 = 0;
-x_17 = x_119;
-x_18 = x_116;
-goto block_114;
-}
-else
-{
-lean_object* x_120; lean_object* x_121; lean_object* x_122; uint8_t x_123; 
-x_120 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__2(x_2, x_10, x_116);
-x_121 = lean_ctor_get(x_120, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_120, 1);
-lean_inc(x_122);
-lean_dec(x_120);
-x_123 = lean_unbox(x_121);
-lean_dec(x_121);
-x_17 = x_123;
-x_18 = x_122;
-goto block_114;
-}
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_124 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__10(x_2, x_10, x_116);
-x_125 = lean_ctor_get(x_124, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_124, 1);
-lean_inc(x_126);
-lean_dec(x_124);
-x_127 = lean_unbox(x_125);
-lean_dec(x_125);
-x_17 = x_127;
-x_18 = x_126;
-goto block_114;
-}
-block_114:
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
 lean_dec(x_18);
-x_20 = lean_st_ref_get(x_8, x_15);
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_st_ref_take(x_6, x_21);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_19, sizeof(void*)*8);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_25 = lean_ctor_get(x_23, 0);
+lean_dec(x_10);
+x_21 = lean_st_ref_get(x_8, x_15);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_st_ref_take(x_6, x_22);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
 lean_inc(x_25);
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_ctor_get(x_19, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_19, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_19, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_19, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_19, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_19, 6);
+lean_dec(x_23);
+x_26 = !lean_is_exclusive(x_24);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_27 = lean_ctor_get(x_24, 0);
+lean_dec(x_27);
+lean_ctor_set(x_24, 0, x_16);
+x_28 = lean_st_ref_set(x_6, x_24, x_25);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_28, 0);
+lean_dec(x_30);
+x_31 = 0;
+x_32 = lean_box(x_31);
+lean_ctor_set(x_28, 0, x_32);
+return x_28;
+}
+else
+{
+lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_28, 1);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_19, 7);
-lean_inc(x_34);
-lean_dec(x_19);
-x_35 = !lean_is_exclusive(x_23);
-if (x_35 == 0)
+lean_dec(x_28);
+x_34 = 0;
+x_35 = lean_box(x_34);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_33);
+return x_36;
+}
+}
+else
 {
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_23, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_25);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_38 = lean_ctor_get(x_25, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_25, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_25, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_25, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_25, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_25, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_25, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_25, 0);
-lean_dec(x_45);
-lean_ctor_set(x_25, 7, x_34);
-lean_ctor_set(x_25, 6, x_33);
-lean_ctor_set(x_25, 5, x_32);
-lean_ctor_set(x_25, 4, x_31);
-lean_ctor_set(x_25, 3, x_30);
-lean_ctor_set(x_25, 2, x_29);
-lean_ctor_set(x_25, 1, x_28);
-lean_ctor_set(x_25, 0, x_27);
-x_46 = lean_st_ref_set(x_6, x_23, x_26);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-x_49 = lean_box(x_17);
-lean_ctor_set(x_46, 0, x_49);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; 
+x_37 = lean_ctor_get(x_24, 1);
+x_38 = lean_ctor_get(x_24, 2);
+x_39 = lean_ctor_get(x_24, 3);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_24);
+x_40 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_40, 0, x_16);
+lean_ctor_set(x_40, 1, x_37);
+lean_ctor_set(x_40, 2, x_38);
+lean_ctor_set(x_40, 3, x_39);
+x_41 = lean_st_ref_set(x_6, x_40, x_25);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+if (lean_is_exclusive(x_41)) {
+ lean_ctor_release(x_41, 0);
+ lean_ctor_release(x_41, 1);
+ x_43 = x_41;
+} else {
+ lean_dec_ref(x_41);
+ x_43 = lean_box(0);
+}
+x_44 = 0;
+x_45 = lean_box(x_44);
+if (lean_is_scalar(x_43)) {
+ x_46 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_46 = x_43;
+}
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_42);
 return x_46;
 }
+}
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_46, 1);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_16);
+x_47 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__2(x_2, x_10, x_18);
+x_48 = lean_ctor_get(x_47, 1);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 0);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
-lean_dec(x_46);
-x_51 = lean_box(x_17);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
+lean_dec(x_48);
+x_51 = lean_st_ref_get(x_8, x_15);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+lean_dec(x_51);
+x_53 = lean_st_ref_take(x_6, x_52);
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
+lean_dec(x_53);
+x_56 = !lean_is_exclusive(x_54);
+if (x_56 == 0)
+{
+lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_57 = lean_ctor_get(x_54, 0);
+lean_dec(x_57);
+lean_ctor_set(x_54, 0, x_50);
+x_58 = lean_st_ref_set(x_6, x_54, x_55);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; 
+x_60 = lean_ctor_get(x_58, 0);
+lean_dec(x_60);
+lean_ctor_set(x_58, 0, x_49);
+return x_58;
 }
 else
 {
-uint8_t x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_53 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-lean_dec(x_25);
-x_54 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_54, 0, x_27);
-lean_ctor_set(x_54, 1, x_28);
-lean_ctor_set(x_54, 2, x_29);
-lean_ctor_set(x_54, 3, x_30);
-lean_ctor_set(x_54, 4, x_31);
-lean_ctor_set(x_54, 5, x_32);
-lean_ctor_set(x_54, 6, x_33);
-lean_ctor_set(x_54, 7, x_34);
-lean_ctor_set_uint8(x_54, sizeof(void*)*8, x_53);
-lean_ctor_set(x_23, 0, x_54);
-x_55 = lean_st_ref_set(x_6, x_23, x_26);
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-if (lean_is_exclusive(x_55)) {
- lean_ctor_release(x_55, 0);
- lean_ctor_release(x_55, 1);
- x_57 = x_55;
-} else {
- lean_dec_ref(x_55);
- x_57 = lean_box(0);
-}
-x_58 = lean_box(x_17);
-if (lean_is_scalar(x_57)) {
- x_59 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_59 = x_57;
-}
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_56);
-return x_59;
-}
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_60 = lean_ctor_get(x_23, 1);
-x_61 = lean_ctor_get(x_23, 2);
-x_62 = lean_ctor_get(x_23, 3);
-lean_inc(x_62);
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_58, 1);
 lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_23);
-x_63 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- lean_ctor_release(x_25, 2);
- lean_ctor_release(x_25, 3);
- lean_ctor_release(x_25, 4);
- lean_ctor_release(x_25, 5);
- lean_ctor_release(x_25, 6);
- lean_ctor_release(x_25, 7);
- x_64 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_64 = lean_box(0);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_49);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
-if (lean_is_scalar(x_64)) {
- x_65 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_65 = x_64;
 }
-lean_ctor_set(x_65, 0, x_27);
-lean_ctor_set(x_65, 1, x_28);
-lean_ctor_set(x_65, 2, x_29);
-lean_ctor_set(x_65, 3, x_30);
-lean_ctor_set(x_65, 4, x_31);
-lean_ctor_set(x_65, 5, x_32);
-lean_ctor_set(x_65, 6, x_33);
-lean_ctor_set(x_65, 7, x_34);
-lean_ctor_set_uint8(x_65, sizeof(void*)*8, x_63);
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_63 = lean_ctor_get(x_54, 1);
+x_64 = lean_ctor_get(x_54, 2);
+x_65 = lean_ctor_get(x_54, 3);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_54);
 x_66 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_60);
-lean_ctor_set(x_66, 2, x_61);
-lean_ctor_set(x_66, 3, x_62);
-x_67 = lean_st_ref_set(x_6, x_66, x_26);
+lean_ctor_set(x_66, 0, x_50);
+lean_ctor_set(x_66, 1, x_63);
+lean_ctor_set(x_66, 2, x_64);
+lean_ctor_set(x_66, 3, x_65);
+x_67 = lean_st_ref_set(x_6, x_66, x_55);
 x_68 = lean_ctor_get(x_67, 1);
 lean_inc(x_68);
 if (lean_is_exclusive(x_67)) {
@@ -51976,668 +50808,317 @@ if (lean_is_exclusive(x_67)) {
  lean_dec_ref(x_67);
  x_69 = lean_box(0);
 }
-x_70 = lean_box(x_17);
 if (lean_is_scalar(x_69)) {
- x_71 = lean_alloc_ctor(0, 2, 0);
+ x_70 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_71 = x_69;
+ x_70 = x_69;
+}
+lean_ctor_set(x_70, 0, x_49);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
 }
-lean_ctor_set(x_71, 0, x_70);
-lean_ctor_set(x_71, 1, x_68);
-return x_71;
 }
 }
 else
 {
-lean_object* x_72; uint8_t x_73; 
-x_72 = lean_ctor_get(x_22, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_16);
+x_71 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__10(x_2, x_10, x_18);
+x_72 = lean_ctor_get(x_71, 1);
 lean_inc(x_72);
-lean_dec(x_22);
-x_73 = !lean_is_exclusive(x_19);
-if (x_73 == 0)
-{
-uint8_t x_74; 
-x_74 = !lean_is_exclusive(x_23);
-if (x_74 == 0)
-{
-lean_object* x_75; uint8_t x_76; lean_object* x_77; uint8_t x_78; 
-x_75 = lean_ctor_get(x_23, 0);
+x_73 = lean_ctor_get(x_71, 0);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_ctor_get(x_72, 1);
+lean_inc(x_74);
+lean_dec(x_72);
+x_75 = lean_st_ref_get(x_8, x_15);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
 lean_dec(x_75);
-x_76 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_76);
-lean_ctor_set(x_23, 0, x_19);
-x_77 = lean_st_ref_set(x_6, x_23, x_72);
-x_78 = !lean_is_exclusive(x_77);
-if (x_78 == 0)
-{
-lean_object* x_79; lean_object* x_80; 
-x_79 = lean_ctor_get(x_77, 0);
-lean_dec(x_79);
-x_80 = lean_box(x_17);
-lean_ctor_set(x_77, 0, x_80);
-return x_77;
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
+x_77 = lean_st_ref_take(x_6, x_76);
+x_78 = lean_ctor_get(x_77, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_77, 1);
+lean_inc(x_79);
 lean_dec(x_77);
-x_82 = lean_box(x_17);
-x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_81);
-return x_83;
-}
+x_80 = !lean_is_exclusive(x_78);
+if (x_80 == 0)
+{
+lean_object* x_81; lean_object* x_82; uint8_t x_83; 
+x_81 = lean_ctor_get(x_78, 0);
+lean_dec(x_81);
+lean_ctor_set(x_78, 0, x_74);
+x_82 = lean_st_ref_set(x_6, x_78, x_79);
+x_83 = !lean_is_exclusive(x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_82, 0);
+lean_dec(x_84);
+lean_ctor_set(x_82, 0, x_73);
+return x_82;
 }
 else
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_84 = lean_ctor_get(x_23, 1);
-x_85 = lean_ctor_get(x_23, 2);
-x_86 = lean_ctor_get(x_23, 3);
-lean_inc(x_86);
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_82, 1);
 lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_23);
-x_87 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_87);
-x_88 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_88, 0, x_19);
-lean_ctor_set(x_88, 1, x_84);
-lean_ctor_set(x_88, 2, x_85);
-lean_ctor_set(x_88, 3, x_86);
-x_89 = lean_st_ref_set(x_6, x_88, x_72);
-x_90 = lean_ctor_get(x_89, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_89)) {
- lean_ctor_release(x_89, 0);
- lean_ctor_release(x_89, 1);
- x_91 = x_89;
-} else {
- lean_dec_ref(x_89);
- x_91 = lean_box(0);
-}
-x_92 = lean_box(x_17);
-if (lean_is_scalar(x_91)) {
- x_93 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_93 = x_91;
-}
-lean_ctor_set(x_93, 0, x_92);
-lean_ctor_set(x_93, 1, x_90);
-return x_93;
+lean_dec(x_82);
+x_86 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_86, 0, x_73);
+lean_ctor_set(x_86, 1, x_85);
+return x_86;
 }
 }
 else
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_94 = lean_ctor_get(x_19, 0);
-x_95 = lean_ctor_get(x_19, 1);
-x_96 = lean_ctor_get(x_19, 2);
-x_97 = lean_ctor_get(x_19, 3);
-x_98 = lean_ctor_get(x_19, 4);
-x_99 = lean_ctor_get(x_19, 5);
-x_100 = lean_ctor_get(x_19, 6);
-x_101 = lean_ctor_get(x_19, 7);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_87 = lean_ctor_get(x_78, 1);
+x_88 = lean_ctor_get(x_78, 2);
+x_89 = lean_ctor_get(x_78, 3);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_dec(x_78);
+x_90 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_90, 0, x_74);
+lean_ctor_set(x_90, 1, x_87);
+lean_ctor_set(x_90, 2, x_88);
+lean_ctor_set(x_90, 3, x_89);
+x_91 = lean_st_ref_set(x_6, x_90, x_79);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_93 = x_91;
+} else {
+ lean_dec_ref(x_91);
+ x_93 = lean_box(0);
+}
+if (lean_is_scalar(x_93)) {
+ x_94 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_94 = x_93;
+}
+lean_ctor_set(x_94, 0, x_73);
+lean_ctor_set(x_94, 1, x_92);
+return x_94;
+}
+}
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; uint8_t x_130; lean_object* x_131; lean_object* x_144; lean_object* x_145; uint8_t x_146; 
+x_95 = lean_ctor_get(x_1, 3);
 lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_19);
-x_102 = lean_ctor_get(x_23, 1);
+x_96 = lean_ctor_get(x_1, 4);
+lean_inc(x_96);
+lean_dec(x_1);
+x_97 = lean_st_ref_get(x_8, x_9);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_get(x_6, x_98);
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = lean_ctor_get(x_100, 0);
 lean_inc(x_102);
-x_103 = lean_ctor_get(x_23, 2);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_23, 3);
-lean_inc(x_104);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- lean_ctor_release(x_23, 2);
- lean_ctor_release(x_23, 3);
- x_105 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_105 = lean_box(0);
+lean_dec(x_100);
+x_144 = l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__1___closed__1;
+x_145 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_145, 0, x_144);
+lean_ctor_set(x_145, 1, x_102);
+x_146 = l_Lean_Expr_hasFVar(x_95);
+if (x_146 == 0)
+{
+uint8_t x_147; 
+x_147 = l_Lean_Expr_hasMVar(x_95);
+if (x_147 == 0)
+{
+uint8_t x_148; 
+lean_dec(x_95);
+x_148 = 0;
+x_130 = x_148;
+x_131 = x_145;
+goto block_143;
 }
-x_106 = 1;
-x_107 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_107, 0, x_94);
-lean_ctor_set(x_107, 1, x_95);
-lean_ctor_set(x_107, 2, x_96);
-lean_ctor_set(x_107, 3, x_97);
-lean_ctor_set(x_107, 4, x_98);
-lean_ctor_set(x_107, 5, x_99);
-lean_ctor_set(x_107, 6, x_100);
-lean_ctor_set(x_107, 7, x_101);
-lean_ctor_set_uint8(x_107, sizeof(void*)*8, x_106);
-if (lean_is_scalar(x_105)) {
- x_108 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_108 = x_105;
+else
+{
+lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; 
+x_149 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__34(x_2, x_95, x_145);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+x_152 = lean_unbox(x_150);
+lean_dec(x_150);
+x_130 = x_152;
+x_131 = x_151;
+goto block_143;
 }
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_102);
-lean_ctor_set(x_108, 2, x_103);
-lean_ctor_set(x_108, 3, x_104);
-x_109 = lean_st_ref_set(x_6, x_108, x_72);
-x_110 = lean_ctor_get(x_109, 1);
+}
+else
+{
+lean_object* x_153; lean_object* x_154; lean_object* x_155; uint8_t x_156; 
+x_153 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__42(x_2, x_95, x_145);
+x_154 = lean_ctor_get(x_153, 0);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_153, 1);
+lean_inc(x_155);
+lean_dec(x_153);
+x_156 = lean_unbox(x_154);
+lean_dec(x_154);
+x_130 = x_156;
+x_131 = x_155;
+goto block_143;
+}
+block_129:
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; 
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+lean_dec(x_104);
+x_106 = lean_st_ref_get(x_8, x_101);
+x_107 = lean_ctor_get(x_106, 1);
+lean_inc(x_107);
+lean_dec(x_106);
+x_108 = lean_st_ref_take(x_6, x_107);
+x_109 = lean_ctor_get(x_108, 0);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 1);
 lean_inc(x_110);
-if (lean_is_exclusive(x_109)) {
- lean_ctor_release(x_109, 0);
- lean_ctor_release(x_109, 1);
- x_111 = x_109;
-} else {
- lean_dec_ref(x_109);
- x_111 = lean_box(0);
-}
-x_112 = lean_box(x_17);
-if (lean_is_scalar(x_111)) {
- x_113 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_113 = x_111;
-}
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_110);
+lean_dec(x_108);
+x_111 = !lean_is_exclusive(x_109);
+if (x_111 == 0)
+{
+lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+x_112 = lean_ctor_get(x_109, 0);
+lean_dec(x_112);
+lean_ctor_set(x_109, 0, x_105);
+x_113 = lean_st_ref_set(x_6, x_109, x_110);
+x_114 = !lean_is_exclusive(x_113);
+if (x_114 == 0)
+{
+lean_object* x_115; lean_object* x_116; 
+x_115 = lean_ctor_get(x_113, 0);
+lean_dec(x_115);
+x_116 = lean_box(x_103);
+lean_ctor_set(x_113, 0, x_116);
 return x_113;
 }
-}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+x_117 = lean_ctor_get(x_113, 1);
+lean_inc(x_117);
+lean_dec(x_113);
+x_118 = lean_box(x_103);
+x_119 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_117);
+return x_119;
 }
 }
 else
 {
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; uint8_t x_136; lean_object* x_137; uint8_t x_234; lean_object* x_235; lean_object* x_248; lean_object* x_249; uint8_t x_250; 
-x_128 = lean_ctor_get(x_1, 3);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_1, 4);
-lean_inc(x_129);
-lean_dec(x_1);
-x_130 = lean_st_ref_get(x_8, x_9);
-x_131 = lean_ctor_get(x_130, 1);
-lean_inc(x_131);
-lean_dec(x_130);
-x_132 = lean_st_ref_get(x_6, x_131);
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
-lean_inc(x_134);
-lean_dec(x_132);
-x_135 = lean_ctor_get(x_133, 0);
-lean_inc(x_135);
-lean_dec(x_133);
-x_248 = l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__1___closed__1;
-x_249 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_135);
-x_250 = l_Lean_Expr_hasFVar(x_128);
-if (x_250 == 0)
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+x_120 = lean_ctor_get(x_109, 1);
+x_121 = lean_ctor_get(x_109, 2);
+x_122 = lean_ctor_get(x_109, 3);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_inc(x_120);
+lean_dec(x_109);
+x_123 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_123, 0, x_105);
+lean_ctor_set(x_123, 1, x_120);
+lean_ctor_set(x_123, 2, x_121);
+lean_ctor_set(x_123, 3, x_122);
+x_124 = lean_st_ref_set(x_6, x_123, x_110);
+x_125 = lean_ctor_get(x_124, 1);
+lean_inc(x_125);
+if (lean_is_exclusive(x_124)) {
+ lean_ctor_release(x_124, 0);
+ lean_ctor_release(x_124, 1);
+ x_126 = x_124;
+} else {
+ lean_dec_ref(x_124);
+ x_126 = lean_box(0);
+}
+x_127 = lean_box(x_103);
+if (lean_is_scalar(x_126)) {
+ x_128 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_128 = x_126;
+}
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_125);
+return x_128;
+}
+}
+block_143:
 {
-uint8_t x_251; 
-x_251 = l_Lean_Expr_hasMVar(x_128);
-if (x_251 == 0)
+if (x_130 == 0)
 {
-uint8_t x_252; 
-lean_dec(x_128);
-x_252 = 0;
-x_234 = x_252;
-x_235 = x_249;
-goto block_247;
+uint8_t x_132; 
+x_132 = l_Lean_Expr_hasFVar(x_96);
+if (x_132 == 0)
+{
+uint8_t x_133; 
+x_133 = l_Lean_Expr_hasMVar(x_96);
+if (x_133 == 0)
+{
+uint8_t x_134; 
+lean_dec(x_96);
+x_134 = 0;
+x_103 = x_134;
+x_104 = x_131;
+goto block_129;
 }
 else
 {
-lean_object* x_253; lean_object* x_254; lean_object* x_255; uint8_t x_256; 
-x_253 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__34(x_2, x_128, x_249);
-x_254 = lean_ctor_get(x_253, 0);
-lean_inc(x_254);
-x_255 = lean_ctor_get(x_253, 1);
-lean_inc(x_255);
-lean_dec(x_253);
-x_256 = lean_unbox(x_254);
-lean_dec(x_254);
-x_234 = x_256;
-x_235 = x_255;
-goto block_247;
+lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 
+x_135 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__18(x_2, x_96, x_131);
+x_136 = lean_ctor_get(x_135, 0);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_135, 1);
+lean_inc(x_137);
+lean_dec(x_135);
+x_138 = lean_unbox(x_136);
+lean_dec(x_136);
+x_103 = x_138;
+x_104 = x_137;
+goto block_129;
 }
 }
 else
 {
-lean_object* x_257; lean_object* x_258; lean_object* x_259; uint8_t x_260; 
-x_257 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__42(x_2, x_128, x_249);
-x_258 = lean_ctor_get(x_257, 0);
-lean_inc(x_258);
-x_259 = lean_ctor_get(x_257, 1);
-lean_inc(x_259);
-lean_dec(x_257);
-x_260 = lean_unbox(x_258);
-lean_dec(x_258);
-x_234 = x_260;
-x_235 = x_259;
-goto block_247;
-}
-block_233:
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-x_138 = lean_ctor_get(x_137, 1);
-lean_inc(x_138);
-lean_dec(x_137);
-x_139 = lean_st_ref_get(x_8, x_134);
-x_140 = lean_ctor_get(x_139, 1);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
+x_139 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__26(x_2, x_96, x_131);
+x_140 = lean_ctor_get(x_139, 0);
 lean_inc(x_140);
+x_141 = lean_ctor_get(x_139, 1);
+lean_inc(x_141);
 lean_dec(x_139);
-x_141 = lean_st_ref_take(x_6, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get_uint8(x_138, sizeof(void*)*8);
-if (x_143 == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
-x_144 = lean_ctor_get(x_142, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_141, 1);
-lean_inc(x_145);
-lean_dec(x_141);
-x_146 = lean_ctor_get(x_138, 0);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_138, 1);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_138, 2);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_138, 3);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_138, 4);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_138, 5);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_138, 6);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_138, 7);
-lean_inc(x_153);
-lean_dec(x_138);
-x_154 = !lean_is_exclusive(x_142);
-if (x_154 == 0)
-{
-lean_object* x_155; uint8_t x_156; 
-x_155 = lean_ctor_get(x_142, 0);
-lean_dec(x_155);
-x_156 = !lean_is_exclusive(x_144);
-if (x_156 == 0)
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; 
-x_157 = lean_ctor_get(x_144, 7);
-lean_dec(x_157);
-x_158 = lean_ctor_get(x_144, 6);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_144, 5);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_144, 4);
-lean_dec(x_160);
-x_161 = lean_ctor_get(x_144, 3);
-lean_dec(x_161);
-x_162 = lean_ctor_get(x_144, 2);
-lean_dec(x_162);
-x_163 = lean_ctor_get(x_144, 1);
-lean_dec(x_163);
-x_164 = lean_ctor_get(x_144, 0);
-lean_dec(x_164);
-lean_ctor_set(x_144, 7, x_153);
-lean_ctor_set(x_144, 6, x_152);
-lean_ctor_set(x_144, 5, x_151);
-lean_ctor_set(x_144, 4, x_150);
-lean_ctor_set(x_144, 3, x_149);
-lean_ctor_set(x_144, 2, x_148);
-lean_ctor_set(x_144, 1, x_147);
-lean_ctor_set(x_144, 0, x_146);
-x_165 = lean_st_ref_set(x_6, x_142, x_145);
-x_166 = !lean_is_exclusive(x_165);
-if (x_166 == 0)
-{
-lean_object* x_167; lean_object* x_168; 
-x_167 = lean_ctor_get(x_165, 0);
-lean_dec(x_167);
-x_168 = lean_box(x_136);
-lean_ctor_set(x_165, 0, x_168);
-return x_165;
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_165, 1);
-lean_inc(x_169);
-lean_dec(x_165);
-x_170 = lean_box(x_136);
-x_171 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_171, 0, x_170);
-lean_ctor_set(x_171, 1, x_169);
-return x_171;
+x_142 = lean_unbox(x_140);
+lean_dec(x_140);
+x_103 = x_142;
+x_104 = x_141;
+goto block_129;
 }
 }
 else
 {
-uint8_t x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
-x_172 = lean_ctor_get_uint8(x_144, sizeof(void*)*8);
-lean_dec(x_144);
-x_173 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_173, 0, x_146);
-lean_ctor_set(x_173, 1, x_147);
-lean_ctor_set(x_173, 2, x_148);
-lean_ctor_set(x_173, 3, x_149);
-lean_ctor_set(x_173, 4, x_150);
-lean_ctor_set(x_173, 5, x_151);
-lean_ctor_set(x_173, 6, x_152);
-lean_ctor_set(x_173, 7, x_153);
-lean_ctor_set_uint8(x_173, sizeof(void*)*8, x_172);
-lean_ctor_set(x_142, 0, x_173);
-x_174 = lean_st_ref_set(x_6, x_142, x_145);
-x_175 = lean_ctor_get(x_174, 1);
-lean_inc(x_175);
-if (lean_is_exclusive(x_174)) {
- lean_ctor_release(x_174, 0);
- lean_ctor_release(x_174, 1);
- x_176 = x_174;
-} else {
- lean_dec_ref(x_174);
- x_176 = lean_box(0);
-}
-x_177 = lean_box(x_136);
-if (lean_is_scalar(x_176)) {
- x_178 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_178 = x_176;
-}
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_175);
-return x_178;
-}
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; uint8_t x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; 
-x_179 = lean_ctor_get(x_142, 1);
-x_180 = lean_ctor_get(x_142, 2);
-x_181 = lean_ctor_get(x_142, 3);
-lean_inc(x_181);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_142);
-x_182 = lean_ctor_get_uint8(x_144, sizeof(void*)*8);
-if (lean_is_exclusive(x_144)) {
- lean_ctor_release(x_144, 0);
- lean_ctor_release(x_144, 1);
- lean_ctor_release(x_144, 2);
- lean_ctor_release(x_144, 3);
- lean_ctor_release(x_144, 4);
- lean_ctor_release(x_144, 5);
- lean_ctor_release(x_144, 6);
- lean_ctor_release(x_144, 7);
- x_183 = x_144;
-} else {
- lean_dec_ref(x_144);
- x_183 = lean_box(0);
-}
-if (lean_is_scalar(x_183)) {
- x_184 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_184 = x_183;
-}
-lean_ctor_set(x_184, 0, x_146);
-lean_ctor_set(x_184, 1, x_147);
-lean_ctor_set(x_184, 2, x_148);
-lean_ctor_set(x_184, 3, x_149);
-lean_ctor_set(x_184, 4, x_150);
-lean_ctor_set(x_184, 5, x_151);
-lean_ctor_set(x_184, 6, x_152);
-lean_ctor_set(x_184, 7, x_153);
-lean_ctor_set_uint8(x_184, sizeof(void*)*8, x_182);
-x_185 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_185, 0, x_184);
-lean_ctor_set(x_185, 1, x_179);
-lean_ctor_set(x_185, 2, x_180);
-lean_ctor_set(x_185, 3, x_181);
-x_186 = lean_st_ref_set(x_6, x_185, x_145);
-x_187 = lean_ctor_get(x_186, 1);
-lean_inc(x_187);
-if (lean_is_exclusive(x_186)) {
- lean_ctor_release(x_186, 0);
- lean_ctor_release(x_186, 1);
- x_188 = x_186;
-} else {
- lean_dec_ref(x_186);
- x_188 = lean_box(0);
-}
-x_189 = lean_box(x_136);
-if (lean_is_scalar(x_188)) {
- x_190 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_190 = x_188;
-}
-lean_ctor_set(x_190, 0, x_189);
-lean_ctor_set(x_190, 1, x_187);
-return x_190;
-}
-}
-else
-{
-lean_object* x_191; uint8_t x_192; 
-x_191 = lean_ctor_get(x_141, 1);
-lean_inc(x_191);
-lean_dec(x_141);
-x_192 = !lean_is_exclusive(x_138);
-if (x_192 == 0)
-{
-uint8_t x_193; 
-x_193 = !lean_is_exclusive(x_142);
-if (x_193 == 0)
-{
-lean_object* x_194; uint8_t x_195; lean_object* x_196; uint8_t x_197; 
-x_194 = lean_ctor_get(x_142, 0);
-lean_dec(x_194);
-x_195 = 1;
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_195);
-lean_ctor_set(x_142, 0, x_138);
-x_196 = lean_st_ref_set(x_6, x_142, x_191);
-x_197 = !lean_is_exclusive(x_196);
-if (x_197 == 0)
-{
-lean_object* x_198; lean_object* x_199; 
-x_198 = lean_ctor_get(x_196, 0);
-lean_dec(x_198);
-x_199 = lean_box(x_136);
-lean_ctor_set(x_196, 0, x_199);
-return x_196;
-}
-else
-{
-lean_object* x_200; lean_object* x_201; lean_object* x_202; 
-x_200 = lean_ctor_get(x_196, 1);
-lean_inc(x_200);
-lean_dec(x_196);
-x_201 = lean_box(x_136);
-x_202 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_202, 0, x_201);
-lean_ctor_set(x_202, 1, x_200);
-return x_202;
-}
-}
-else
-{
-lean_object* x_203; lean_object* x_204; lean_object* x_205; uint8_t x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_203 = lean_ctor_get(x_142, 1);
-x_204 = lean_ctor_get(x_142, 2);
-x_205 = lean_ctor_get(x_142, 3);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_dec(x_142);
-x_206 = 1;
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_206);
-x_207 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_207, 0, x_138);
-lean_ctor_set(x_207, 1, x_203);
-lean_ctor_set(x_207, 2, x_204);
-lean_ctor_set(x_207, 3, x_205);
-x_208 = lean_st_ref_set(x_6, x_207, x_191);
-x_209 = lean_ctor_get(x_208, 1);
-lean_inc(x_209);
-if (lean_is_exclusive(x_208)) {
- lean_ctor_release(x_208, 0);
- lean_ctor_release(x_208, 1);
- x_210 = x_208;
-} else {
- lean_dec_ref(x_208);
- x_210 = lean_box(0);
-}
-x_211 = lean_box(x_136);
-if (lean_is_scalar(x_210)) {
- x_212 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_212 = x_210;
-}
-lean_ctor_set(x_212, 0, x_211);
-lean_ctor_set(x_212, 1, x_209);
-return x_212;
-}
-}
-else
-{
-lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; uint8_t x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; 
-x_213 = lean_ctor_get(x_138, 0);
-x_214 = lean_ctor_get(x_138, 1);
-x_215 = lean_ctor_get(x_138, 2);
-x_216 = lean_ctor_get(x_138, 3);
-x_217 = lean_ctor_get(x_138, 4);
-x_218 = lean_ctor_get(x_138, 5);
-x_219 = lean_ctor_get(x_138, 6);
-x_220 = lean_ctor_get(x_138, 7);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_dec(x_138);
-x_221 = lean_ctor_get(x_142, 1);
-lean_inc(x_221);
-x_222 = lean_ctor_get(x_142, 2);
-lean_inc(x_222);
-x_223 = lean_ctor_get(x_142, 3);
-lean_inc(x_223);
-if (lean_is_exclusive(x_142)) {
- lean_ctor_release(x_142, 0);
- lean_ctor_release(x_142, 1);
- lean_ctor_release(x_142, 2);
- lean_ctor_release(x_142, 3);
- x_224 = x_142;
-} else {
- lean_dec_ref(x_142);
- x_224 = lean_box(0);
-}
-x_225 = 1;
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_213);
-lean_ctor_set(x_226, 1, x_214);
-lean_ctor_set(x_226, 2, x_215);
-lean_ctor_set(x_226, 3, x_216);
-lean_ctor_set(x_226, 4, x_217);
-lean_ctor_set(x_226, 5, x_218);
-lean_ctor_set(x_226, 6, x_219);
-lean_ctor_set(x_226, 7, x_220);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-if (lean_is_scalar(x_224)) {
- x_227 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_227 = x_224;
-}
-lean_ctor_set(x_227, 0, x_226);
-lean_ctor_set(x_227, 1, x_221);
-lean_ctor_set(x_227, 2, x_222);
-lean_ctor_set(x_227, 3, x_223);
-x_228 = lean_st_ref_set(x_6, x_227, x_191);
-x_229 = lean_ctor_get(x_228, 1);
-lean_inc(x_229);
-if (lean_is_exclusive(x_228)) {
- lean_ctor_release(x_228, 0);
- lean_ctor_release(x_228, 1);
- x_230 = x_228;
-} else {
- lean_dec_ref(x_228);
- x_230 = lean_box(0);
-}
-x_231 = lean_box(x_136);
-if (lean_is_scalar(x_230)) {
- x_232 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_232 = x_230;
-}
-lean_ctor_set(x_232, 0, x_231);
-lean_ctor_set(x_232, 1, x_229);
-return x_232;
-}
-}
-}
-block_247:
-{
-if (x_234 == 0)
-{
-uint8_t x_236; 
-x_236 = l_Lean_Expr_hasFVar(x_129);
-if (x_236 == 0)
-{
-uint8_t x_237; 
-x_237 = l_Lean_Expr_hasMVar(x_129);
-if (x_237 == 0)
-{
-uint8_t x_238; 
-lean_dec(x_129);
-x_238 = 0;
-x_136 = x_238;
-x_137 = x_235;
-goto block_233;
-}
-else
-{
-lean_object* x_239; lean_object* x_240; lean_object* x_241; uint8_t x_242; 
-x_239 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__18(x_2, x_129, x_235);
-x_240 = lean_ctor_get(x_239, 0);
-lean_inc(x_240);
-x_241 = lean_ctor_get(x_239, 1);
-lean_inc(x_241);
-lean_dec(x_239);
-x_242 = lean_unbox(x_240);
-lean_dec(x_240);
-x_136 = x_242;
-x_137 = x_241;
-goto block_233;
-}
-}
-else
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; uint8_t x_246; 
-x_243 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__26(x_2, x_129, x_235);
-x_244 = lean_ctor_get(x_243, 0);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_243, 1);
-lean_inc(x_245);
-lean_dec(x_243);
-x_246 = lean_unbox(x_244);
-lean_dec(x_244);
-x_136 = x_246;
-x_137 = x_245;
-goto block_233;
-}
-}
-else
-{
-lean_dec(x_129);
-x_136 = x_234;
-x_137 = x_235;
-goto block_233;
+lean_dec(x_96);
+x_103 = x_130;
+x_104 = x_131;
+goto block_129;
 }
 }
 }
@@ -54179,7 +52660,7 @@ lean_dec(x_3);
 return x_10;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -54187,21 +52668,21 @@ x_1 = lean_mk_string_from_bytes("letrec", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -54218,94 +52699,37 @@ x_11 = lean_st_ref_get(x_5, x_10);
 x_12 = !lean_is_exclusive(x_11);
 if (x_12 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
 lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 7);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_ctor_set(x_11, 0, x_17);
+x_15 = lean_ctor_get(x_14, 7);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_15, x_1);
+lean_ctor_set(x_11, 0, x_16);
 return x_11;
 }
 else
 {
-lean_object* x_18; uint8_t x_19; 
-lean_free_object(x_11);
-x_18 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_14);
-x_19 = !lean_is_exclusive(x_18);
-if (x_19 == 0)
-{
-lean_object* x_20; 
-x_20 = lean_ctor_get(x_18, 0);
-lean_dec(x_20);
-lean_ctor_set(x_18, 0, x_17);
-return x_18;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; 
-x_21 = lean_ctor_get(x_18, 1);
-lean_inc(x_21);
-lean_dec(x_18);
-x_22 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_22, 0, x_17);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
-}
-}
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_11, 0);
-x_24 = lean_ctor_get(x_11, 1);
-lean_inc(x_24);
-lean_inc(x_23);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_17 = lean_ctor_get(x_11, 0);
+x_18 = lean_ctor_get(x_11, 1);
+lean_inc(x_18);
+lean_inc(x_17);
 lean_dec(x_11);
-x_25 = lean_ctor_get(x_23, 0);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_ctor_get(x_25, 7);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_26, x_1);
-if (lean_obj_tag(x_27) == 0)
-{
-lean_object* x_28; 
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_24);
-return x_28;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_29 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(x_5, x_6, x_7, x_24);
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_31 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_31 = lean_box(0);
-}
-if (lean_is_scalar(x_31)) {
- x_32 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_32 = x_31;
-}
-lean_ctor_set(x_32, 0, x_27);
-lean_ctor_set(x_32, 1, x_30);
-return x_32;
-}
+x_19 = lean_ctor_get(x_17, 0);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_19, 7);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_20, x_1);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_18);
+return x_22;
 }
 }
 }
@@ -54644,7 +53068,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLetRecAuxMVar(lean_object* x_1, lean
 _start:
 {
 lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_9 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2;
+x_9 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2;
 x_38 = lean_st_ref_get(x_7, x_8);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
@@ -58910,7 +57334,7 @@ x_19 = l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__4;
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
-x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_20, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_21 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_20, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -59351,7 +57775,7 @@ x_32 = l_Lean_Elab_Term_resolveName___closed__4;
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
+x_34 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -62402,23 +60826,21 @@ return x_6;
 static lean_object* _init_l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___closed__6() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__13;
 x_3 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__10;
 x_4 = l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__2;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___closed__7() {
@@ -63075,7 +61497,7 @@ x_34 = l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__4;
 x_35 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_35, 0, x_33);
 lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_35, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_36 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_35, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
 x_37 = !lean_is_exclusive(x_36);
 if (x_37 == 0)
 {
@@ -63444,7 +61866,7 @@ x_18 = l_Lean_Elab_checkNotAlreadyDeclared___at_Lean_Elab_Term_expandDeclId___sp
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_17);
 lean_ctor_set(x_19, 1, x_18);
-x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_20 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -63530,7 +61952,7 @@ x_20 = l_Lean_Elab_checkNotAlreadyDeclared___at_Lean_Elab_Term_expandDeclId___sp
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_19);
 lean_ctor_set(x_21, 1, x_20);
-x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_21, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
+x_22 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_21, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -63572,7 +61994,7 @@ x_31 = l_Lean_Elab_checkNotAlreadyDeclared___at_Lean_Elab_Term_expandDeclId___sp
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_32, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
+x_33 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_32, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -64377,7 +62799,7 @@ x_30 = l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__4;
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
-x_32 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_31, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_32 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_31, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -64454,7 +62876,7 @@ x_21 = l_Lean_Elab_Term_MVarErrorInfo_logError_addArgName___closed__4;
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_22, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_23 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_22, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -64566,7 +62988,7 @@ lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 x_18 = l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__4;
-x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -65411,7 +63833,7 @@ x_22 = l_Lean_Elab_Term_expandDeclId___closed__2;
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_23, x_5, x_6, x_7, x_8, x_9, x_10, x_15);
+x_24 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_23, x_5, x_6, x_7, x_8, x_9, x_10, x_15);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -65480,7 +63902,7 @@ x_38 = l_Lean_Elab_Term_expandDeclId___closed__2;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__4(x_39, x_5, x_6, x_7, x_8, x_9, x_10, x_30);
+x_40 = l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3(x_39, x_5, x_6, x_7, x_8, x_9, x_10, x_30);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -65782,48 +64204,45 @@ lean_dec(x_17);
 x_18 = !lean_is_exclusive(x_14);
 if (x_18 == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; uint8_t x_23; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
 x_19 = lean_ctor_get(x_14, 6);
 x_20 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_19, x_1, x_2);
-x_21 = 1;
 lean_ctor_set(x_14, 6, x_20);
-lean_ctor_set_uint8(x_14, sizeof(void*)*8, x_21);
-x_22 = lean_st_ref_set(x_6, x_13, x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_21 = lean_st_ref_set(x_6, x_13, x_15);
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-x_25 = lean_box(0);
-lean_ctor_set(x_22, 0, x_25);
-return x_22;
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+lean_dec(x_23);
+x_24 = lean_box(0);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_21, 1);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = lean_box(0);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_29 = lean_ctor_get(x_14, 0);
-x_30 = lean_ctor_get(x_14, 1);
-x_31 = lean_ctor_get(x_14, 2);
-x_32 = lean_ctor_get(x_14, 3);
-x_33 = lean_ctor_get(x_14, 4);
-x_34 = lean_ctor_get(x_14, 5);
-x_35 = lean_ctor_get(x_14, 6);
-x_36 = lean_ctor_get(x_14, 7);
-lean_inc(x_36);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_28 = lean_ctor_get(x_14, 0);
+x_29 = lean_ctor_get(x_14, 1);
+x_30 = lean_ctor_get(x_14, 2);
+x_31 = lean_ctor_get(x_14, 3);
+x_32 = lean_ctor_get(x_14, 4);
+x_33 = lean_ctor_get(x_14, 5);
+x_34 = lean_ctor_get(x_14, 6);
+x_35 = lean_ctor_get(x_14, 7);
 lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
@@ -65831,68 +64250,67 @@ lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
 lean_dec(x_14);
-x_37 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_35, x_1, x_2);
-x_38 = 1;
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_29);
-lean_ctor_set(x_39, 1, x_30);
-lean_ctor_set(x_39, 2, x_31);
-lean_ctor_set(x_39, 3, x_32);
-lean_ctor_set(x_39, 4, x_33);
-lean_ctor_set(x_39, 5, x_34);
-lean_ctor_set(x_39, 6, x_37);
-lean_ctor_set(x_39, 7, x_36);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_38);
-lean_ctor_set(x_13, 0, x_39);
-x_40 = lean_st_ref_set(x_6, x_13, x_15);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
+x_36 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_34, x_1, x_2);
+x_37 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_37, 0, x_28);
+lean_ctor_set(x_37, 1, x_29);
+lean_ctor_set(x_37, 2, x_30);
+lean_ctor_set(x_37, 3, x_31);
+lean_ctor_set(x_37, 4, x_32);
+lean_ctor_set(x_37, 5, x_33);
+lean_ctor_set(x_37, 6, x_36);
+lean_ctor_set(x_37, 7, x_35);
+lean_ctor_set(x_13, 0, x_37);
+x_38 = lean_st_ref_set(x_6, x_13, x_15);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = lean_box(0);
+if (lean_is_scalar(x_40)) {
+ x_42 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_42 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
 }
-x_43 = lean_box(0);
-if (lean_is_scalar(x_42)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_44 = x_42;
-}
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_39);
+return x_42;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_45 = lean_ctor_get(x_13, 1);
-x_46 = lean_ctor_get(x_13, 2);
-x_47 = lean_ctor_get(x_13, 3);
-lean_inc(x_47);
-lean_inc(x_46);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_43 = lean_ctor_get(x_13, 1);
+x_44 = lean_ctor_get(x_13, 2);
+x_45 = lean_ctor_get(x_13, 3);
 lean_inc(x_45);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_13);
-x_48 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_14, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_14, 2);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_14, 1);
+x_49 = lean_ctor_get(x_14, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_14, 2);
+x_50 = lean_ctor_get(x_14, 4);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_14, 3);
+x_51 = lean_ctor_get(x_14, 5);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_14, 4);
+x_52 = lean_ctor_get(x_14, 6);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_14, 5);
+x_53 = lean_ctor_get(x_14, 7);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_14, 6);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_14, 7);
-lean_inc(x_55);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -65902,52 +64320,50 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 5);
  lean_ctor_release(x_14, 6);
  lean_ctor_release(x_14, 7);
- x_56 = x_14;
+ x_54 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_56 = lean_box(0);
+ x_54 = lean_box(0);
 }
-x_57 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_54, x_1, x_2);
-x_58 = 1;
-if (lean_is_scalar(x_56)) {
- x_59 = lean_alloc_ctor(0, 8, 1);
+x_55 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_52, x_1, x_2);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_59 = x_56;
+ x_56 = x_54;
 }
-lean_ctor_set(x_59, 0, x_48);
-lean_ctor_set(x_59, 1, x_49);
-lean_ctor_set(x_59, 2, x_50);
-lean_ctor_set(x_59, 3, x_51);
-lean_ctor_set(x_59, 4, x_52);
-lean_ctor_set(x_59, 5, x_53);
-lean_ctor_set(x_59, 6, x_57);
-lean_ctor_set(x_59, 7, x_55);
-lean_ctor_set_uint8(x_59, sizeof(void*)*8, x_58);
-x_60 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_45);
-lean_ctor_set(x_60, 2, x_46);
-lean_ctor_set(x_60, 3, x_47);
-x_61 = lean_st_ref_set(x_6, x_60, x_15);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_63 = x_61;
+lean_ctor_set(x_56, 0, x_46);
+lean_ctor_set(x_56, 1, x_47);
+lean_ctor_set(x_56, 2, x_48);
+lean_ctor_set(x_56, 3, x_49);
+lean_ctor_set(x_56, 4, x_50);
+lean_ctor_set(x_56, 5, x_51);
+lean_ctor_set(x_56, 6, x_55);
+lean_ctor_set(x_56, 7, x_53);
+x_57 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_43);
+lean_ctor_set(x_57, 2, x_44);
+lean_ctor_set(x_57, 3, x_45);
+x_58 = lean_st_ref_set(x_6, x_57, x_15);
+x_59 = lean_ctor_get(x_58, 1);
+lean_inc(x_59);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_60 = x_58;
 } else {
- lean_dec_ref(x_61);
- x_63 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_60 = lean_box(0);
 }
-x_64 = lean_box(0);
-if (lean_is_scalar(x_63)) {
- x_65 = lean_alloc_ctor(0, 2, 0);
+x_61 = lean_box(0);
+if (lean_is_scalar(x_60)) {
+ x_62 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_65 = x_63;
+ x_62 = x_60;
 }
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_62);
-return x_65;
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_59);
+return x_62;
 }
 }
 }
@@ -66257,7 +64673,7 @@ x_3 = lean_alloc_closure((void*)(l_Lean_Elab_withoutModifyingStateWithInfoAndMes
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1() {
+static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -66265,17 +64681,17 @@ x_1 = lean_mk_string_from_bytes("debug", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2() {
+static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-x_2 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1;
+x_2 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -66295,7 +64711,7 @@ lean_object* x_7; lean_object* x_8; lean_object* x_9;
 x_7 = lean_ctor_get(x_6, 1);
 lean_inc(x_7);
 lean_dec(x_6);
-x_8 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2;
+x_8 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2;
 x_9 = l_Lean_registerTraceClass(x_8, x_7);
 return x_9;
 }
@@ -66704,7 +65120,9 @@ if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_termElabAttribute = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_termElabAttribute);
 lean_dec_ref(res);
-}l_Lean_Elab_Term_throwErrorIfErrors___closed__1 = _init_l_Lean_Elab_Term_throwErrorIfErrors___closed__1();
+}l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1 = _init_l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_withoutErrToSorry___rarg___closed__1);
+l_Lean_Elab_Term_throwErrorIfErrors___closed__1 = _init_l_Lean_Elab_Term_throwErrorIfErrors___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_throwErrorIfErrors___closed__1);
 l_Lean_Elab_Term_throwErrorIfErrors___closed__2 = _init_l_Lean_Elab_Term_throwErrorIfErrors___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_throwErrorIfErrors___closed__2);
@@ -66820,8 +65238,8 @@ l_Lean_Elab_Term_mkTypeMismatchError___closed__5 = _init_l_Lean_Elab_Term_mkType
 lean_mark_persistent(l_Lean_Elab_Term_mkTypeMismatchError___closed__5);
 l_Lean_Elab_Term_mkTypeMismatchError___closed__6 = _init_l_Lean_Elab_Term_mkTypeMismatchError___closed__6();
 lean_mark_persistent(l_Lean_Elab_Term_mkTypeMismatchError___closed__6);
-l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1 = _init_l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1();
-lean_mark_persistent(l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1);
+l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1 = _init_l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_ContainsPendingMVar_visit___closed__1);
 l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__1 = _init_l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__1);
 l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__2 = _init_l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__2();
@@ -66852,28 +65270,28 @@ l_Lean_Elab_Term_synthesizeInstMVarCore___closed__4 = _init_l_Lean_Elab_Term_syn
 lean_mark_persistent(l_Lean_Elab_Term_synthesizeInstMVarCore___closed__4);
 l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5 = _init_l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5();
 lean_mark_persistent(l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__3);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853____closed__4);
-if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5853_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__2);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__3);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878____closed__4);
+if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5878_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_autoLift = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_autoLift);
 lean_dec_ref(res);
-}l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__3);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880____closed__4);
-if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5880_(lean_io_mk_world());
+}l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__2);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__3);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905____closed__4);
+if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5905_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_maxCoeSize = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_maxCoeSize);
@@ -67151,11 +65569,11 @@ l_Lean_Elab_Term_mkAuxName___closed__1 = _init_l_Lean_Elab_Term_mkAuxName___clos
 lean_mark_persistent(l_Lean_Elab_Term_mkAuxName___closed__1);
 l_Lean_Elab_Term_mkAuxName___closed__2 = _init_l_Lean_Elab_Term_mkAuxName___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_mkAuxName___closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833____closed__2);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13833_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858____closed__2);
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13858_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l_Lean_Elab_Term_isLetRecAuxMVar___lambda__2___closed__1 = _init_l_Lean_Elab_Term_isLetRecAuxMVar___lambda__2___closed__1();
@@ -67334,11 +65752,11 @@ l_Lean_Elab_Term_exprToSyntax___lambda__1___closed__4 = _init_l_Lean_Elab_Term_e
 lean_mark_persistent(l_Lean_Elab_Term_exprToSyntax___lambda__1___closed__4);
 l_Lean_Elab_Term_exprToSyntax___lambda__1___closed__5 = _init_l_Lean_Elab_Term_exprToSyntax___lambda__1___closed__5();
 lean_mark_persistent(l_Lean_Elab_Term_exprToSyntax___lambda__1___closed__5);
-l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1();
-lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__1);
-l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2();
-lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655____closed__2);
-res = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16655_(lean_io_mk_world());
+l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1();
+lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__1);
+l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2();
+lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680____closed__2);
+res = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_16680_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Message.c b/stage0/stdlib/Lean/Message.c
index 4383c55a2c..1b8e9d50f1 100644
--- a/stage0/stdlib/Lean/Message.c
+++ b/stage0/stdlib/Lean/Message.c
@@ -1179,23 +1179,21 @@ return x_3;
 static lean_object* _init_l_Lean_MessageData_instantiateMVars___closed__6() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_MessageData_instantiateMVars___closed__3;
 x_3 = l_Lean_MessageData_instantiateMVars___closed__4;
 x_4 = l_Lean_MessageData_instantiateMVars___closed__5;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_MessageData_instantiateMVars(lean_object* x_1) {
diff --git a/stage0/stdlib/Lean/Meta/AbstractMVars.c b/stage0/stdlib/Lean/Meta/AbstractMVars.c
index 004e1d1723..de5c5f2522 100644
--- a/stage0/stdlib/Lean/Meta/AbstractMVars.c
+++ b/stage0/stdlib/Lean/Meta/AbstractMVars.c
@@ -3388,7 +3388,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_abstractMVars(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
 x_7 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
 x_8 = lean_ctor_get(x_7, 0);
 lean_inc(x_8);
@@ -3414,39 +3414,55 @@ x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
 x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
-if (lean_is_exclusive(x_17)) {
- lean_ctor_release(x_17, 0);
- lean_ctor_release(x_17, 1);
- x_20 = x_17;
-} else {
- lean_dec_ref(x_17);
- x_20 = lean_box(0);
-}
-x_21 = lean_ctor_get(x_18, 2);
-lean_inc(x_21);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_18, 2);
+lean_inc(x_20);
 lean_dec(x_18);
-x_22 = lean_unsigned_to_nat(0u);
-x_23 = l_Lean_Meta_instInhabitedAbstractMVarsResult___closed__1;
-x_24 = l_Lean_Meta_abstractMVars___closed__1;
+x_21 = lean_unsigned_to_nat(0u);
+x_22 = l_Lean_Meta_instInhabitedAbstractMVarsResult___closed__1;
+x_23 = l_Lean_Meta_abstractMVars___closed__1;
 lean_inc(x_16);
-x_25 = lean_alloc_ctor(0, 8, 0);
-lean_ctor_set(x_25, 0, x_21);
-lean_ctor_set(x_25, 1, x_16);
-lean_ctor_set(x_25, 2, x_15);
-lean_ctor_set(x_25, 3, x_22);
-lean_ctor_set(x_25, 4, x_23);
-lean_ctor_set(x_25, 5, x_23);
-lean_ctor_set(x_25, 6, x_24);
-lean_ctor_set(x_25, 7, x_24);
-x_26 = l_Lean_Meta_AbstractMVars_abstractExprMVars(x_8, x_25);
-x_27 = lean_ctor_get(x_26, 0);
+x_24 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_24, 0, x_20);
+lean_ctor_set(x_24, 1, x_16);
+lean_ctor_set(x_24, 2, x_15);
+lean_ctor_set(x_24, 3, x_21);
+lean_ctor_set(x_24, 4, x_22);
+lean_ctor_set(x_24, 5, x_22);
+lean_ctor_set(x_24, 6, x_23);
+lean_ctor_set(x_24, 7, x_23);
+x_25 = l_Lean_Meta_AbstractMVars_abstractExprMVars(x_8, x_24);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
+lean_dec(x_25);
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_26);
-x_38 = lean_ctor_get(x_28, 0);
+x_29 = lean_st_ref_take(x_5, x_19);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+lean_dec(x_29);
+x_32 = !lean_is_exclusive(x_30);
+if (x_32 == 0)
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_33 = lean_ctor_get(x_30, 2);
+lean_dec(x_33);
+lean_ctor_set(x_30, 2, x_28);
+x_34 = lean_st_ref_set(x_5, x_30, x_31);
+x_35 = lean_ctor_get(x_34, 1);
+lean_inc(x_35);
+lean_dec(x_34);
+x_36 = lean_ctor_get(x_27, 2);
+lean_inc(x_36);
+x_37 = lean_st_ref_get(x_5, x_35);
+x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
-x_39 = lean_st_ref_take(x_5, x_19);
+lean_dec(x_37);
+x_39 = lean_st_ref_take(x_3, x_38);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -3455,515 +3471,208 @@ lean_dec(x_39);
 x_42 = !lean_is_exclusive(x_40);
 if (x_42 == 0)
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_43 = lean_ctor_get(x_40, 2);
+lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+x_43 = lean_ctor_get(x_40, 0);
 lean_dec(x_43);
-lean_ctor_set(x_40, 2, x_38);
-x_44 = lean_st_ref_set(x_5, x_40, x_41);
-x_45 = lean_ctor_get(x_44, 1);
-lean_inc(x_45);
-lean_dec(x_44);
-x_46 = lean_ctor_get(x_28, 2);
-lean_inc(x_46);
-x_47 = lean_st_ref_get(x_5, x_45);
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_take(x_3, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get_uint8(x_46, sizeof(void*)*8);
-if (x_51 == 0)
+lean_ctor_set(x_40, 0, x_36);
+x_44 = lean_st_ref_set(x_3, x_40, x_41);
+x_45 = !lean_is_exclusive(x_44);
+if (x_45 == 0)
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_49, 1);
-lean_inc(x_53);
-lean_dec(x_49);
-x_54 = lean_ctor_get(x_46, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_46, 1);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_46, 2);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_46, 3);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_46, 4);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_46, 5);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_46, 6);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_46, 7);
-lean_inc(x_61);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_46 = lean_ctor_get(x_44, 0);
 lean_dec(x_46);
-x_62 = !lean_is_exclusive(x_50);
-if (x_62 == 0)
+x_47 = lean_ctor_get(x_27, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_27, 5);
+lean_inc(x_48);
+x_49 = l_Lean_LocalContext_mkLambda(x_47, x_48, x_26);
+x_50 = lean_ctor_get(x_27, 4);
+lean_inc(x_50);
+lean_dec(x_27);
+x_51 = lean_array_get_size(x_48);
+lean_dec(x_48);
+x_52 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+lean_ctor_set(x_52, 2, x_49);
+lean_ctor_set(x_44, 0, x_52);
+return x_44;
+}
+else
 {
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_50, 0);
-lean_dec(x_63);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
+lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_53 = lean_ctor_get(x_44, 1);
+lean_inc(x_53);
+lean_dec(x_44);
+x_54 = lean_ctor_get(x_27, 1);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_27, 5);
+lean_inc(x_55);
+x_56 = l_Lean_LocalContext_mkLambda(x_54, x_55, x_26);
+x_57 = lean_ctor_get(x_27, 4);
+lean_inc(x_57);
+lean_dec(x_27);
+x_58 = lean_array_get_size(x_55);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+lean_ctor_set(x_59, 2, x_56);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_53);
+return x_60;
+}
+}
+else
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_65 = lean_ctor_get(x_52, 7);
-lean_dec(x_65);
-x_66 = lean_ctor_get(x_52, 6);
-lean_dec(x_66);
-x_67 = lean_ctor_get(x_52, 5);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_52, 4);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_52, 3);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_61 = lean_ctor_get(x_40, 1);
+x_62 = lean_ctor_get(x_40, 2);
+x_63 = lean_ctor_get(x_40, 3);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_40);
+x_64 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_64, 0, x_36);
+lean_ctor_set(x_64, 1, x_61);
+lean_ctor_set(x_64, 2, x_62);
+lean_ctor_set(x_64, 3, x_63);
+x_65 = lean_st_ref_set(x_3, x_64, x_41);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_67 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_67 = lean_box(0);
+}
+x_68 = lean_ctor_get(x_27, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_27, 5);
+lean_inc(x_69);
+x_70 = l_Lean_LocalContext_mkLambda(x_68, x_69, x_26);
+x_71 = lean_ctor_get(x_27, 4);
+lean_inc(x_71);
+lean_dec(x_27);
+x_72 = lean_array_get_size(x_69);
 lean_dec(x_69);
-x_70 = lean_ctor_get(x_52, 2);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_52, 1);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_52, 0);
-lean_dec(x_72);
-lean_ctor_set(x_52, 7, x_61);
-lean_ctor_set(x_52, 6, x_60);
-lean_ctor_set(x_52, 5, x_59);
-lean_ctor_set(x_52, 4, x_58);
-lean_ctor_set(x_52, 3, x_57);
-lean_ctor_set(x_52, 2, x_56);
-lean_ctor_set(x_52, 1, x_55);
-lean_ctor_set(x_52, 0, x_54);
-x_73 = lean_st_ref_set(x_3, x_50, x_53);
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_29 = x_74;
-goto block_37;
+x_73 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+lean_ctor_set(x_73, 2, x_70);
+if (lean_is_scalar(x_67)) {
+ x_74 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_74 = x_67;
 }
-else
-{
-uint8_t x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
-x_75 = lean_ctor_get_uint8(x_52, sizeof(void*)*8);
-lean_dec(x_52);
-x_76 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_76, 0, x_54);
-lean_ctor_set(x_76, 1, x_55);
-lean_ctor_set(x_76, 2, x_56);
-lean_ctor_set(x_76, 3, x_57);
-lean_ctor_set(x_76, 4, x_58);
-lean_ctor_set(x_76, 5, x_59);
-lean_ctor_set(x_76, 6, x_60);
-lean_ctor_set(x_76, 7, x_61);
-lean_ctor_set_uint8(x_76, sizeof(void*)*8, x_75);
-lean_ctor_set(x_50, 0, x_76);
-x_77 = lean_st_ref_set(x_3, x_50, x_53);
-x_78 = lean_ctor_get(x_77, 1);
-lean_inc(x_78);
-lean_dec(x_77);
-x_29 = x_78;
-goto block_37;
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_66);
+return x_74;
 }
 }
 else
 {
-lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_79 = lean_ctor_get(x_50, 1);
-x_80 = lean_ctor_get(x_50, 2);
-x_81 = lean_ctor_get(x_50, 3);
-lean_inc(x_81);
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
+x_75 = lean_ctor_get(x_30, 0);
+x_76 = lean_ctor_get(x_30, 1);
+x_77 = lean_ctor_get(x_30, 3);
+x_78 = lean_ctor_get(x_30, 4);
+x_79 = lean_ctor_get(x_30, 5);
+x_80 = lean_ctor_get(x_30, 6);
 lean_inc(x_80);
 lean_inc(x_79);
-lean_dec(x_50);
-x_82 = lean_ctor_get_uint8(x_52, sizeof(void*)*8);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- lean_ctor_release(x_52, 4);
- lean_ctor_release(x_52, 5);
- lean_ctor_release(x_52, 6);
- lean_ctor_release(x_52, 7);
- x_83 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_83 = lean_box(0);
-}
-if (lean_is_scalar(x_83)) {
- x_84 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_84 = x_83;
-}
-lean_ctor_set(x_84, 0, x_54);
-lean_ctor_set(x_84, 1, x_55);
-lean_ctor_set(x_84, 2, x_56);
-lean_ctor_set(x_84, 3, x_57);
-lean_ctor_set(x_84, 4, x_58);
-lean_ctor_set(x_84, 5, x_59);
-lean_ctor_set(x_84, 6, x_60);
-lean_ctor_set(x_84, 7, x_61);
-lean_ctor_set_uint8(x_84, sizeof(void*)*8, x_82);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_79);
-lean_ctor_set(x_85, 2, x_80);
-lean_ctor_set(x_85, 3, x_81);
-x_86 = lean_st_ref_set(x_3, x_85, x_53);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-lean_dec(x_86);
-x_29 = x_87;
-goto block_37;
-}
-}
-else
-{
-lean_object* x_88; uint8_t x_89; 
-x_88 = lean_ctor_get(x_49, 1);
+lean_inc(x_78);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_inc(x_75);
+lean_dec(x_30);
+x_81 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_81, 0, x_75);
+lean_ctor_set(x_81, 1, x_76);
+lean_ctor_set(x_81, 2, x_28);
+lean_ctor_set(x_81, 3, x_77);
+lean_ctor_set(x_81, 4, x_78);
+lean_ctor_set(x_81, 5, x_79);
+lean_ctor_set(x_81, 6, x_80);
+x_82 = lean_st_ref_set(x_5, x_81, x_31);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_ctor_get(x_27, 2);
+lean_inc(x_84);
+x_85 = lean_st_ref_get(x_5, x_83);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+lean_dec(x_85);
+x_87 = lean_st_ref_take(x_3, x_86);
+x_88 = lean_ctor_get(x_87, 0);
 lean_inc(x_88);
-lean_dec(x_49);
-x_89 = !lean_is_exclusive(x_46);
-if (x_89 == 0)
-{
-uint8_t x_90; 
-x_90 = !lean_is_exclusive(x_50);
-if (x_90 == 0)
-{
-lean_object* x_91; uint8_t x_92; lean_object* x_93; lean_object* x_94; 
-x_91 = lean_ctor_get(x_50, 0);
-lean_dec(x_91);
-x_92 = 1;
-lean_ctor_set_uint8(x_46, sizeof(void*)*8, x_92);
-lean_ctor_set(x_50, 0, x_46);
-x_93 = lean_st_ref_set(x_3, x_50, x_88);
-x_94 = lean_ctor_get(x_93, 1);
-lean_inc(x_94);
-lean_dec(x_93);
-x_29 = x_94;
-goto block_37;
+x_89 = lean_ctor_get(x_87, 1);
+lean_inc(x_89);
+lean_dec(x_87);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_88, 2);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_88, 3);
+lean_inc(x_92);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ lean_ctor_release(x_88, 2);
+ lean_ctor_release(x_88, 3);
+ x_93 = x_88;
+} else {
+ lean_dec_ref(x_88);
+ x_93 = lean_box(0);
 }
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_95 = lean_ctor_get(x_50, 1);
-x_96 = lean_ctor_get(x_50, 2);
-x_97 = lean_ctor_get(x_50, 3);
-lean_inc(x_97);
+if (lean_is_scalar(x_93)) {
+ x_94 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_94 = x_93;
+}
+lean_ctor_set(x_94, 0, x_84);
+lean_ctor_set(x_94, 1, x_90);
+lean_ctor_set(x_94, 2, x_91);
+lean_ctor_set(x_94, 3, x_92);
+x_95 = lean_st_ref_set(x_3, x_94, x_89);
+x_96 = lean_ctor_get(x_95, 1);
 lean_inc(x_96);
-lean_inc(x_95);
-lean_dec(x_50);
-x_98 = 1;
-lean_ctor_set_uint8(x_46, sizeof(void*)*8, x_98);
-x_99 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_99, 0, x_46);
-lean_ctor_set(x_99, 1, x_95);
-lean_ctor_set(x_99, 2, x_96);
-lean_ctor_set(x_99, 3, x_97);
-x_100 = lean_st_ref_set(x_3, x_99, x_88);
-x_101 = lean_ctor_get(x_100, 1);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ x_97 = x_95;
+} else {
+ lean_dec_ref(x_95);
+ x_97 = lean_box(0);
+}
+x_98 = lean_ctor_get(x_27, 1);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_27, 5);
+lean_inc(x_99);
+x_100 = l_Lean_LocalContext_mkLambda(x_98, x_99, x_26);
+x_101 = lean_ctor_get(x_27, 4);
 lean_inc(x_101);
-lean_dec(x_100);
-x_29 = x_101;
-goto block_37;
-}
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_102 = lean_ctor_get(x_46, 0);
-x_103 = lean_ctor_get(x_46, 1);
-x_104 = lean_ctor_get(x_46, 2);
-x_105 = lean_ctor_get(x_46, 3);
-x_106 = lean_ctor_get(x_46, 4);
-x_107 = lean_ctor_get(x_46, 5);
-x_108 = lean_ctor_get(x_46, 6);
-x_109 = lean_ctor_get(x_46, 7);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_inc(x_106);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_46);
-x_110 = lean_ctor_get(x_50, 1);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_50, 2);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_50, 3);
-lean_inc(x_112);
-if (lean_is_exclusive(x_50)) {
- lean_ctor_release(x_50, 0);
- lean_ctor_release(x_50, 1);
- lean_ctor_release(x_50, 2);
- lean_ctor_release(x_50, 3);
- x_113 = x_50;
+lean_dec(x_27);
+x_102 = lean_array_get_size(x_99);
+lean_dec(x_99);
+x_103 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+lean_ctor_set(x_103, 2, x_100);
+if (lean_is_scalar(x_97)) {
+ x_104 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_50);
- x_113 = lean_box(0);
+ x_104 = x_97;
 }
-x_114 = 1;
-x_115 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_115, 0, x_102);
-lean_ctor_set(x_115, 1, x_103);
-lean_ctor_set(x_115, 2, x_104);
-lean_ctor_set(x_115, 3, x_105);
-lean_ctor_set(x_115, 4, x_106);
-lean_ctor_set(x_115, 5, x_107);
-lean_ctor_set(x_115, 6, x_108);
-lean_ctor_set(x_115, 7, x_109);
-lean_ctor_set_uint8(x_115, sizeof(void*)*8, x_114);
-if (lean_is_scalar(x_113)) {
- x_116 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_116 = x_113;
-}
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_110);
-lean_ctor_set(x_116, 2, x_111);
-lean_ctor_set(x_116, 3, x_112);
-x_117 = lean_st_ref_set(x_3, x_116, x_88);
-x_118 = lean_ctor_get(x_117, 1);
-lean_inc(x_118);
-lean_dec(x_117);
-x_29 = x_118;
-goto block_37;
-}
-}
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_119 = lean_ctor_get(x_40, 0);
-x_120 = lean_ctor_get(x_40, 1);
-x_121 = lean_ctor_get(x_40, 3);
-x_122 = lean_ctor_get(x_40, 4);
-x_123 = lean_ctor_get(x_40, 5);
-x_124 = lean_ctor_get(x_40, 6);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_40);
-x_125 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_125, 0, x_119);
-lean_ctor_set(x_125, 1, x_120);
-lean_ctor_set(x_125, 2, x_38);
-lean_ctor_set(x_125, 3, x_121);
-lean_ctor_set(x_125, 4, x_122);
-lean_ctor_set(x_125, 5, x_123);
-lean_ctor_set(x_125, 6, x_124);
-x_126 = lean_st_ref_set(x_5, x_125, x_41);
-x_127 = lean_ctor_get(x_126, 1);
-lean_inc(x_127);
-lean_dec(x_126);
-x_128 = lean_ctor_get(x_28, 2);
-lean_inc(x_128);
-x_129 = lean_st_ref_get(x_5, x_127);
-x_130 = lean_ctor_get(x_129, 1);
-lean_inc(x_130);
-lean_dec(x_129);
-x_131 = lean_st_ref_take(x_3, x_130);
-x_132 = lean_ctor_get(x_131, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get_uint8(x_128, sizeof(void*)*8);
-if (x_133 == 0)
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; uint8_t x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_134 = lean_ctor_get(x_132, 0);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_131, 1);
-lean_inc(x_135);
-lean_dec(x_131);
-x_136 = lean_ctor_get(x_128, 0);
-lean_inc(x_136);
-x_137 = lean_ctor_get(x_128, 1);
-lean_inc(x_137);
-x_138 = lean_ctor_get(x_128, 2);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_128, 3);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_128, 4);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_128, 5);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_128, 6);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_128, 7);
-lean_inc(x_143);
-lean_dec(x_128);
-x_144 = lean_ctor_get(x_132, 1);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_132, 2);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_132, 3);
-lean_inc(x_146);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- lean_ctor_release(x_132, 2);
- lean_ctor_release(x_132, 3);
- x_147 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_147 = lean_box(0);
-}
-x_148 = lean_ctor_get_uint8(x_134, sizeof(void*)*8);
-if (lean_is_exclusive(x_134)) {
- lean_ctor_release(x_134, 0);
- lean_ctor_release(x_134, 1);
- lean_ctor_release(x_134, 2);
- lean_ctor_release(x_134, 3);
- lean_ctor_release(x_134, 4);
- lean_ctor_release(x_134, 5);
- lean_ctor_release(x_134, 6);
- lean_ctor_release(x_134, 7);
- x_149 = x_134;
-} else {
- lean_dec_ref(x_134);
- x_149 = lean_box(0);
-}
-if (lean_is_scalar(x_149)) {
- x_150 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_150 = x_149;
-}
-lean_ctor_set(x_150, 0, x_136);
-lean_ctor_set(x_150, 1, x_137);
-lean_ctor_set(x_150, 2, x_138);
-lean_ctor_set(x_150, 3, x_139);
-lean_ctor_set(x_150, 4, x_140);
-lean_ctor_set(x_150, 5, x_141);
-lean_ctor_set(x_150, 6, x_142);
-lean_ctor_set(x_150, 7, x_143);
-lean_ctor_set_uint8(x_150, sizeof(void*)*8, x_148);
-if (lean_is_scalar(x_147)) {
- x_151 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_151 = x_147;
-}
-lean_ctor_set(x_151, 0, x_150);
-lean_ctor_set(x_151, 1, x_144);
-lean_ctor_set(x_151, 2, x_145);
-lean_ctor_set(x_151, 3, x_146);
-x_152 = lean_st_ref_set(x_3, x_151, x_135);
-x_153 = lean_ctor_get(x_152, 1);
-lean_inc(x_153);
-lean_dec(x_152);
-x_29 = x_153;
-goto block_37;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
-x_154 = lean_ctor_get(x_131, 1);
-lean_inc(x_154);
-lean_dec(x_131);
-x_155 = lean_ctor_get(x_128, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_128, 1);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_128, 2);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_128, 3);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_128, 4);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_128, 5);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_128, 6);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_128, 7);
-lean_inc(x_162);
-if (lean_is_exclusive(x_128)) {
- lean_ctor_release(x_128, 0);
- lean_ctor_release(x_128, 1);
- lean_ctor_release(x_128, 2);
- lean_ctor_release(x_128, 3);
- lean_ctor_release(x_128, 4);
- lean_ctor_release(x_128, 5);
- lean_ctor_release(x_128, 6);
- lean_ctor_release(x_128, 7);
- x_163 = x_128;
-} else {
- lean_dec_ref(x_128);
- x_163 = lean_box(0);
-}
-x_164 = lean_ctor_get(x_132, 1);
-lean_inc(x_164);
-x_165 = lean_ctor_get(x_132, 2);
-lean_inc(x_165);
-x_166 = lean_ctor_get(x_132, 3);
-lean_inc(x_166);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- lean_ctor_release(x_132, 2);
- lean_ctor_release(x_132, 3);
- x_167 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_167 = lean_box(0);
-}
-x_168 = 1;
-if (lean_is_scalar(x_163)) {
- x_169 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_169 = x_163;
-}
-lean_ctor_set(x_169, 0, x_155);
-lean_ctor_set(x_169, 1, x_156);
-lean_ctor_set(x_169, 2, x_157);
-lean_ctor_set(x_169, 3, x_158);
-lean_ctor_set(x_169, 4, x_159);
-lean_ctor_set(x_169, 5, x_160);
-lean_ctor_set(x_169, 6, x_161);
-lean_ctor_set(x_169, 7, x_162);
-lean_ctor_set_uint8(x_169, sizeof(void*)*8, x_168);
-if (lean_is_scalar(x_167)) {
- x_170 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_170 = x_167;
-}
-lean_ctor_set(x_170, 0, x_169);
-lean_ctor_set(x_170, 1, x_164);
-lean_ctor_set(x_170, 2, x_165);
-lean_ctor_set(x_170, 3, x_166);
-x_171 = lean_st_ref_set(x_3, x_170, x_154);
-x_172 = lean_ctor_get(x_171, 1);
-lean_inc(x_172);
-lean_dec(x_171);
-x_29 = x_172;
-goto block_37;
-}
-}
-block_37:
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_30 = lean_ctor_get(x_28, 1);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_28, 5);
-lean_inc(x_31);
-x_32 = l_Lean_LocalContext_mkLambda(x_30, x_31, x_27);
-x_33 = lean_ctor_get(x_28, 4);
-lean_inc(x_33);
-lean_dec(x_28);
-x_34 = lean_array_get_size(x_31);
-lean_dec(x_31);
-x_35 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
-lean_ctor_set(x_35, 2, x_32);
-if (lean_is_scalar(x_20)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_20;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_29);
-return x_36;
+lean_ctor_set(x_104, 0, x_103);
+lean_ctor_set(x_104, 1, x_96);
+return x_104;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/AppBuilder.c b/stage0/stdlib/Lean/Meta/AppBuilder.c
index 2445735e0f..3c9403a01f 100644
--- a/stage0/stdlib/Lean/Meta/AppBuilder.c
+++ b/stage0/stdlib/Lean/Meta/AppBuilder.c
@@ -11965,6 +11965,7 @@ x_48 = lean_ctor_get(x_45, 1);
 lean_inc(x_48);
 lean_dec(x_45);
 x_49 = l_Lean_Meta_SavedState_restore(x_43, x_10, x_11, x_12, x_13, x_48);
+lean_dec(x_43);
 x_50 = lean_ctor_get(x_49, 1);
 lean_inc(x_50);
 lean_dec(x_49);
@@ -12059,6 +12060,7 @@ x_66 = lean_ctor_get(x_62, 1);
 lean_inc(x_66);
 lean_dec(x_62);
 x_67 = l_Lean_Meta_SavedState_restore(x_60, x_10, x_11, x_12, x_13, x_66);
+lean_dec(x_60);
 x_68 = lean_ctor_get(x_67, 1);
 lean_inc(x_68);
 lean_dec(x_67);
diff --git a/stage0/stdlib/Lean/Meta/Basic.c b/stage0/stdlib/Lean/Meta/Basic.c
index 609eda0663..7cb9ff84c8 100644
--- a/stage0/stdlib/Lean/Meta/Basic.c
+++ b/stage0/stdlib/Lean/Meta/Basic.c
@@ -56,6 +56,7 @@ static lean_object* l_Lean_Meta_throwIsDefEqStuck___rarg___closed__2;
 static lean_object* l_Lean_Meta_processPostponed_loop___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_fullApproxDefEqImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_map1MetaM___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Cache_defEq___default___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_instantiateLambda(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Config_ignoreLevelMVarDepth___default;
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_addNode___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -131,6 +132,7 @@ static lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedSte
 LEAN_EXPORT lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMetaEvalMetaM___rarg___closed__12;
+static lean_object* l_Lean_Meta_Cache_defEq___default___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_getParamNames___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -227,6 +229,7 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Config_etaStruct___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_orelseMergeErrors(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Config_unificationHints___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_fullApproxDefEq___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Cache_defEq___default___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_abstract(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getZetaFVarIds___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_orelseMergeErrors___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -238,6 +241,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_map1MetaM___rarg___lambda__2(lean_object*,
 lean_object* l_Lean_Expr_ReplaceImpl_replaceUnsafe(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux_process___spec__1___rarg___boxed(lean_object*, lean_object*);
 static size_t l_Lean_Meta_instInhabitedState___closed__2;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewBinderInfosImp(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isReadOnlyLevelMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -263,7 +267,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_withMVarContext(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_modifyInferTypeCache(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getPostponed___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_qsort_sort___at_Lean_Meta_sortFVarIds___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_5_(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getPostponed___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -274,6 +278,7 @@ lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedCache___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_mapMetaM(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__9(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_withTransparency___rarg(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isReducible___at___private_Lean_Meta_Basic_0__Lean_Meta_getDefInfoTemp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -313,6 +318,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_shouldReduceAll(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at_Lean_Meta_withLocalDecls_loop___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewLocalInstances___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1;
 LEAN_EXPORT lean_object* l_Nat_foldM_loop___at_Lean_Meta_mkFreshLevelMVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedSavedState___closed__11;
 static lean_object* l_Lean_Meta_instMonadMCtxMetaM___closed__2;
@@ -350,6 +356,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_isListLevelDefEqAux(lean_object*, lean_obje
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMVarContextImp(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_map2MetaM(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_exposeRelevantUniverses(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_modifyDefEqCache(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_setType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_setPPUniverses(lean_object*, uint8_t);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
@@ -379,6 +386,7 @@ lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_resetZetaFVarIds___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadEnvMetaM___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Basic_0__Lean_Meta_fvarsSizeLtMaxFVars(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMetaEvalMetaM___rarg___closed__9;
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_withLocalInstancesImp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -387,6 +395,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_instMetaEvalMetaM___rarg(lean_object*, lean
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instantiateForall___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_FVarId_throwUnknown___rarg___closed__2;
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_withMCtx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_FVarId_getBinderInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_modifyCache___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -418,7 +427,6 @@ static lean_object* l_Lean_Meta_mkArrow___closed__2;
 LEAN_EXPORT lean_object* l_Array_filterMapM___at_Lean_Meta_withInstImplicitAsImplict___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Cache_defEqDefault___default;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_getDefInfoTemp___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_findDecl_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_simpLevelMax_x27(lean_object*, lean_object*, lean_object*);
@@ -433,7 +441,6 @@ static lean_object* l_Lean_Meta_instMetaEvalMetaM___rarg___closed__4;
 static lean_object* l_Lean_Meta_instMonadMetaM___closed__4;
 LEAN_EXPORT lean_object* l_Lean_MVarId_getDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mapMetaM___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_throwIsDefEqStuck___rarg(lean_object*);
 static lean_object* l_Lean_Meta_instMonadBacktrackSavedStateMetaM___closed__2;
@@ -463,7 +470,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_map2MetaM___rarg(lean_object*, lean_object*
 LEAN_EXPORT lean_object* l_Lean_Meta_withInstImplicitAsImplict(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_FVarId_throwUnknown___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkFreshLMVarId___at_Lean_Meta_mkFreshLevelMVar___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MVarId_getDecl___closed__1;
 static lean_object* l_Lean_Meta_instInhabitedSavedState___closed__8;
@@ -504,7 +510,6 @@ LEAN_EXPORT lean_object* l_Lean_getConstInfo___at_Lean_Meta_mkConstWithFreshMVar
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_MetaM_run_x27(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_FVarId_isLetVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Cache_defEqDefault___default___closed__1;
 LEAN_EXPORT lean_object* l_Lean_MVarId_setType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Meta_withIncRecDepth___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isExprDefEqGuarded(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -573,7 +578,6 @@ lean_object* l_Lean_Expr_bvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mapErrorImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMetaM;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___boxed(lean_object*);
 static lean_object* l_Lean_Meta_instMonadMetaM___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_isExprDefEqAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeImp(lean_object*);
@@ -608,7 +612,6 @@ static lean_object* l_Lean_Meta_mkLevelStuckErrorMessage___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaMetaTelescope_process___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Context_lctx___default___closed__2;
@@ -653,10 +656,8 @@ LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMCtxMetaM___lambda__2___boxed(lean
 LEAN_EXPORT lean_object* l_Lean_Meta_withDefault___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Meta_etaExpand(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withIncRecDepth(lean_object*);
-static lean_object* l_Lean_Meta_Cache_defEqDefault___default___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_instMetaEvalMetaM(lean_object*);
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
@@ -667,7 +668,6 @@ extern lean_object* l_Lean_instInhabitedFVarId;
 size_t lean_ptr_addr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___rarg(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewBinderInfosImp___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instInhabitedMetaM___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_FunInfo_paramInfo___default;
@@ -706,9 +706,9 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Meta
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedSavedState___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_mkFreshExprMVar(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_getDefInfoTemp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LMVarId_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1;
 static lean_object* l_Lean_Meta_processPostponed_loop___closed__3;
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mapErrorImp(lean_object*);
@@ -745,7 +745,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_elimMVarDeps___boxed(lean_object*, lean_obj
 LEAN_EXPORT lean_object* l_Lean_Expr_abstractM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Level_normalize(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMCtxMetaM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withMVarContext___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_MetaM_toIO___rarg___closed__1;
@@ -798,7 +797,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_withAtLeastTransparency(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_findDecl_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_modifyCache(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3;
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkForallFVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isLevelDefEq___closed__4;
@@ -809,7 +807,7 @@ static lean_object* l_Lean_Meta_processPostponed_loop___closed__4;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_approxDefEqImp(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_ParamInfo_dependsOnHigherOrderOutParam___default;
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14782_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14809_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMCtxMetaM___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_resettingSynthInstanceCacheWhen(lean_object*);
@@ -855,7 +853,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_instInhabitedState;
 uint8_t l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_371_(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_Array_qsort_sort___at_Lean_Meta_sortFVarIds___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMetaEvalMetaM___rarg___closed__7;
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_withLocalDeclsD___spec__1(lean_object*);
 static lean_object* l_Lean_Meta_Cache_inferType___default___closed__1;
 uint64_t lean_uint64_mix_hash(uint64_t, uint64_t);
@@ -870,12 +867,10 @@ static lean_object* l_Lean_Meta_instInhabitedInfoCacheKey___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallMetaTelescope(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLCtx___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_modifyPostponed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Cache_defEqAll___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withConfig(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadEnvMetaM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cache_whnfDefault___default;
-static lean_object* l_Lean_Meta_Cache_defEqDefault___default___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls_loop(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_setMVarUserName___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withReducibleAndInstances(lean_object*);
@@ -887,6 +882,7 @@ lean_object* l_Lean_indentD(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withoutProofIrrelevance(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_shouldReduceReducibleOnly(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ParamInfo_isImplicit___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Cache_defEq___default;
 LEAN_EXPORT lean_object* l_Lean_Meta_mkFreshTypeMVar(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_EnumAttributes_setValue___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMonadEnvMetaM___closed__2;
@@ -909,6 +905,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_getResetTraces___at
 LEAN_EXPORT lean_object* l_Lean_Meta_getTheoremInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewBinderInfos___at_Lean_Meta_withInstImplicitAsImplict___spec__3(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_modifyDefEqCache___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cache_funInfo___default___closed__2;
@@ -1664,7 +1661,7 @@ x_1 = l_Lean_Meta_Cache_inferType___default___closed__3;
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Cache_defEqDefault___default___closed__1() {
+static lean_object* _init_l_Lean_Meta_Cache_defEq___default___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -1675,7 +1672,7 @@ lean_closure_set(x_2, 1, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Cache_defEqDefault___default___closed__2() {
+static lean_object* _init_l_Lean_Meta_Cache_defEq___default___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -1686,7 +1683,7 @@ lean_closure_set(x_2, 1, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Cache_defEqDefault___default___closed__3() {
+static lean_object* _init_l_Lean_Meta_Cache_defEq___default___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -1698,19 +1695,11 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Cache_defEqDefault___default() {
+static lean_object* _init_l_Lean_Meta_Cache_defEq___default() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Meta_Cache_defEqDefault___default___closed__3;
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Meta_Cache_defEqAll___default() {
-_start:
-{
-lean_object* x_1; 
-x_1 = l_Lean_Meta_Cache_defEqDefault___default___closed__3;
+x_1 = l_Lean_Meta_Cache_defEq___default___closed__3;
 return x_1;
 }
 }
@@ -1734,14 +1723,13 @@ x_1 = l_Lean_Meta_Cache_inferType___default___closed__3;
 x_2 = l_Lean_Meta_Cache_funInfo___default___closed__2;
 x_3 = l_Lean_Meta_Cache_synthInstance___default___closed__1;
 x_4 = l_Lean_Meta_instInhabitedCache___closed__1;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -1815,23 +1803,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_State_mctx___default___closed__4() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_State_mctx___default___closed__1;
 x_3 = l_Lean_Meta_State_mctx___default___closed__2;
 x_4 = l_Lean_Meta_State_mctx___default___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_State_mctx___default() {
@@ -2103,23 +2089,21 @@ return x_8;
 static lean_object* _init_l_Lean_Meta_instInhabitedSavedState___closed__11() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_State_mctx___default___closed__1;
 x_3 = l_Lean_Meta_State_mctx___default___closed__2;
 x_4 = l_Lean_Meta_State_mctx___default___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_instInhabitedSavedState___closed__12() {
@@ -3140,313 +3124,43 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_SavedState_restore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_7 = lean_ctor_get(x_1, 0);
-lean_inc(x_7);
 x_8 = l_Lean_Core_restore(x_7, x_4, x_5, x_6);
-lean_dec(x_7);
-x_9 = lean_ctor_get(x_1, 1);
+x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
-lean_dec(x_1);
-x_10 = lean_ctor_get(x_8, 1);
-lean_inc(x_10);
 lean_dec(x_8);
-x_11 = lean_ctor_get(x_9, 0);
+x_10 = lean_st_ref_get(x_5, x_9);
+x_11 = lean_ctor_get(x_10, 1);
 lean_inc(x_11);
-x_41 = lean_st_ref_get(x_5, x_10);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_take(x_3, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get_uint8(x_11, sizeof(void*)*8);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
-x_46 = lean_ctor_get(x_44, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_43, 1);
-lean_inc(x_47);
-lean_dec(x_43);
-x_48 = lean_ctor_get(x_11, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_11, 1);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_11, 2);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_11, 3);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_11, 4);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_11, 5);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_11, 6);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_11, 7);
-lean_inc(x_55);
-lean_dec(x_11);
-x_56 = !lean_is_exclusive(x_44);
-if (x_56 == 0)
-{
-lean_object* x_57; uint8_t x_58; 
-x_57 = lean_ctor_get(x_44, 0);
-lean_dec(x_57);
-x_58 = !lean_is_exclusive(x_46);
-if (x_58 == 0)
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_59 = lean_ctor_get(x_46, 7);
-lean_dec(x_59);
-x_60 = lean_ctor_get(x_46, 6);
-lean_dec(x_60);
-x_61 = lean_ctor_get(x_46, 5);
-lean_dec(x_61);
-x_62 = lean_ctor_get(x_46, 4);
-lean_dec(x_62);
-x_63 = lean_ctor_get(x_46, 3);
-lean_dec(x_63);
-x_64 = lean_ctor_get(x_46, 2);
-lean_dec(x_64);
-x_65 = lean_ctor_get(x_46, 1);
-lean_dec(x_65);
-x_66 = lean_ctor_get(x_46, 0);
-lean_dec(x_66);
-lean_ctor_set(x_46, 7, x_55);
-lean_ctor_set(x_46, 6, x_54);
-lean_ctor_set(x_46, 5, x_53);
-lean_ctor_set(x_46, 4, x_52);
-lean_ctor_set(x_46, 3, x_51);
-lean_ctor_set(x_46, 2, x_50);
-lean_ctor_set(x_46, 1, x_49);
-lean_ctor_set(x_46, 0, x_48);
-x_67 = lean_st_ref_set(x_3, x_44, x_47);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_12 = x_68;
-goto block_40;
-}
-else
-{
-uint8_t x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_69 = lean_ctor_get_uint8(x_46, sizeof(void*)*8);
-lean_dec(x_46);
-x_70 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_70, 0, x_48);
-lean_ctor_set(x_70, 1, x_49);
-lean_ctor_set(x_70, 2, x_50);
-lean_ctor_set(x_70, 3, x_51);
-lean_ctor_set(x_70, 4, x_52);
-lean_ctor_set(x_70, 5, x_53);
-lean_ctor_set(x_70, 6, x_54);
-lean_ctor_set(x_70, 7, x_55);
-lean_ctor_set_uint8(x_70, sizeof(void*)*8, x_69);
-lean_ctor_set(x_44, 0, x_70);
-x_71 = lean_st_ref_set(x_3, x_44, x_47);
-x_72 = lean_ctor_get(x_71, 1);
-lean_inc(x_72);
-lean_dec(x_71);
-x_12 = x_72;
-goto block_40;
-}
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_73 = lean_ctor_get(x_44, 1);
-x_74 = lean_ctor_get(x_44, 2);
-x_75 = lean_ctor_get(x_44, 3);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_44);
-x_76 = lean_ctor_get_uint8(x_46, sizeof(void*)*8);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- lean_ctor_release(x_46, 2);
- lean_ctor_release(x_46, 3);
- lean_ctor_release(x_46, 4);
- lean_ctor_release(x_46, 5);
- lean_ctor_release(x_46, 6);
- lean_ctor_release(x_46, 7);
- x_77 = x_46;
-} else {
- lean_dec_ref(x_46);
- x_77 = lean_box(0);
-}
-if (lean_is_scalar(x_77)) {
- x_78 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_78 = x_77;
-}
-lean_ctor_set(x_78, 0, x_48);
-lean_ctor_set(x_78, 1, x_49);
-lean_ctor_set(x_78, 2, x_50);
-lean_ctor_set(x_78, 3, x_51);
-lean_ctor_set(x_78, 4, x_52);
-lean_ctor_set(x_78, 5, x_53);
-lean_ctor_set(x_78, 6, x_54);
-lean_ctor_set(x_78, 7, x_55);
-lean_ctor_set_uint8(x_78, sizeof(void*)*8, x_76);
-x_79 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_73);
-lean_ctor_set(x_79, 2, x_74);
-lean_ctor_set(x_79, 3, x_75);
-x_80 = lean_st_ref_set(x_3, x_79, x_47);
-x_81 = lean_ctor_get(x_80, 1);
-lean_inc(x_81);
-lean_dec(x_80);
-x_12 = x_81;
-goto block_40;
-}
-}
-else
-{
-lean_object* x_82; uint8_t x_83; 
-x_82 = lean_ctor_get(x_43, 1);
-lean_inc(x_82);
-lean_dec(x_43);
-x_83 = !lean_is_exclusive(x_11);
-if (x_83 == 0)
-{
-uint8_t x_84; 
-x_84 = !lean_is_exclusive(x_44);
-if (x_84 == 0)
-{
-lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_85 = lean_ctor_get(x_44, 0);
-lean_dec(x_85);
-x_86 = 1;
-lean_ctor_set_uint8(x_11, sizeof(void*)*8, x_86);
-lean_ctor_set(x_44, 0, x_11);
-x_87 = lean_st_ref_set(x_3, x_44, x_82);
-x_88 = lean_ctor_get(x_87, 1);
-lean_inc(x_88);
-lean_dec(x_87);
-x_12 = x_88;
-goto block_40;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_89 = lean_ctor_get(x_44, 1);
-x_90 = lean_ctor_get(x_44, 2);
-x_91 = lean_ctor_get(x_44, 3);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_44);
-x_92 = 1;
-lean_ctor_set_uint8(x_11, sizeof(void*)*8, x_92);
-x_93 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_93, 0, x_11);
-lean_ctor_set(x_93, 1, x_89);
-lean_ctor_set(x_93, 2, x_90);
-lean_ctor_set(x_93, 3, x_91);
-x_94 = lean_st_ref_set(x_3, x_93, x_82);
-x_95 = lean_ctor_get(x_94, 1);
-lean_inc(x_95);
-lean_dec(x_94);
-x_12 = x_95;
-goto block_40;
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_96 = lean_ctor_get(x_11, 0);
-x_97 = lean_ctor_get(x_11, 1);
-x_98 = lean_ctor_get(x_11, 2);
-x_99 = lean_ctor_get(x_11, 3);
-x_100 = lean_ctor_get(x_11, 4);
-x_101 = lean_ctor_get(x_11, 5);
-x_102 = lean_ctor_get(x_11, 6);
-x_103 = lean_ctor_get(x_11, 7);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_11);
-x_104 = lean_ctor_get(x_44, 1);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_44, 2);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_44, 3);
-lean_inc(x_106);
-if (lean_is_exclusive(x_44)) {
- lean_ctor_release(x_44, 0);
- lean_ctor_release(x_44, 1);
- lean_ctor_release(x_44, 2);
- lean_ctor_release(x_44, 3);
- x_107 = x_44;
-} else {
- lean_dec_ref(x_44);
- x_107 = lean_box(0);
-}
-x_108 = 1;
-x_109 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_109, 0, x_96);
-lean_ctor_set(x_109, 1, x_97);
-lean_ctor_set(x_109, 2, x_98);
-lean_ctor_set(x_109, 3, x_99);
-lean_ctor_set(x_109, 4, x_100);
-lean_ctor_set(x_109, 5, x_101);
-lean_ctor_set(x_109, 6, x_102);
-lean_ctor_set(x_109, 7, x_103);
-lean_ctor_set_uint8(x_109, sizeof(void*)*8, x_108);
-if (lean_is_scalar(x_107)) {
- x_110 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_110 = x_107;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_104);
-lean_ctor_set(x_110, 2, x_105);
-lean_ctor_set(x_110, 3, x_106);
-x_111 = lean_st_ref_set(x_3, x_110, x_82);
-x_112 = lean_ctor_get(x_111, 1);
-lean_inc(x_112);
-lean_dec(x_111);
-x_12 = x_112;
-goto block_40;
-}
-}
-block_40:
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = lean_ctor_get(x_13, 1);
+lean_dec(x_10);
+x_12 = lean_st_ref_take(x_3, x_11);
+x_13 = lean_ctor_get(x_1, 1);
+x_14 = lean_ctor_get(x_12, 0);
 lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_take(x_3, x_14);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = !lean_is_exclusive(x_16);
-if (x_18 == 0)
+x_15 = lean_ctor_get(x_12, 1);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = !lean_is_exclusive(x_14);
+if (x_16 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_19 = lean_ctor_get(x_16, 3);
-lean_dec(x_19);
-x_20 = lean_ctor_get(x_16, 2);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_17 = lean_ctor_get(x_13, 0);
+x_18 = lean_ctor_get(x_13, 2);
+x_19 = lean_ctor_get(x_13, 3);
+x_20 = lean_ctor_get(x_14, 3);
 lean_dec(x_20);
-x_21 = lean_ctor_get(x_9, 2);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_9, 3);
-lean_inc(x_22);
-lean_dec(x_9);
-lean_ctor_set(x_16, 3, x_22);
-lean_ctor_set(x_16, 2, x_21);
-x_23 = lean_st_ref_set(x_3, x_16, x_17);
+x_21 = lean_ctor_get(x_14, 2);
+lean_dec(x_21);
+x_22 = lean_ctor_get(x_14, 0);
+lean_dec(x_22);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_ctor_set(x_14, 3, x_19);
+lean_ctor_set(x_14, 2, x_18);
+lean_ctor_set(x_14, 0, x_17);
+x_23 = lean_st_ref_set(x_3, x_14, x_15);
 x_24 = !lean_is_exclusive(x_23);
 if (x_24 == 0)
 {
@@ -3473,22 +3187,21 @@ return x_29;
 else
 {
 lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_30 = lean_ctor_get(x_16, 0);
-x_31 = lean_ctor_get(x_16, 1);
+x_30 = lean_ctor_get(x_13, 0);
+x_31 = lean_ctor_get(x_13, 2);
+x_32 = lean_ctor_get(x_13, 3);
+x_33 = lean_ctor_get(x_14, 1);
+lean_inc(x_33);
+lean_dec(x_14);
+lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
-lean_dec(x_16);
-x_32 = lean_ctor_get(x_9, 2);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_9, 3);
-lean_inc(x_33);
-lean_dec(x_9);
 x_34 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_34, 0, x_30);
-lean_ctor_set(x_34, 1, x_31);
-lean_ctor_set(x_34, 2, x_32);
-lean_ctor_set(x_34, 3, x_33);
-x_35 = lean_st_ref_set(x_3, x_34, x_17);
+lean_ctor_set(x_34, 1, x_33);
+lean_ctor_set(x_34, 2, x_31);
+lean_ctor_set(x_34, 3, x_32);
+x_35 = lean_st_ref_set(x_3, x_34, x_15);
 x_36 = lean_ctor_get(x_35, 1);
 lean_inc(x_36);
 if (lean_is_exclusive(x_35)) {
@@ -3511,7 +3224,6 @@ return x_39;
 }
 }
 }
-}
 LEAN_EXPORT lean_object* l_Lean_Meta_SavedState_restore___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -3521,6 +3233,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
 return x_7;
 }
 }
@@ -4780,7 +4493,7 @@ lean_dec(x_2);
 return x_6;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4788,17 +4501,17 @@ x_1 = lean_mk_string_from_bytes("Meta", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -4806,21 +4519,21 @@ x_1 = lean_mk_string_from_bytes("debug", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2;
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 if (lean_obj_tag(x_3) == 0)
 {
@@ -4828,7 +4541,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6;
 x_4 = lean_ctor_get(x_3, 1);
 lean_inc(x_4);
 lean_dec(x_3);
-x_5 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4;
+x_5 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4;
 x_6 = l_Lean_registerTraceClass(x_5, x_4);
 return x_6;
 }
@@ -5161,15 +4874,13 @@ return x_24;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
 x_25 = lean_ctor_get(x_11, 0);
 x_26 = lean_ctor_get(x_11, 1);
 x_27 = lean_ctor_get(x_11, 2);
 x_28 = lean_ctor_get(x_11, 3);
 x_29 = lean_ctor_get(x_11, 4);
 x_30 = lean_ctor_get(x_11, 5);
-x_31 = lean_ctor_get(x_11, 6);
-lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
@@ -5177,62 +4888,59 @@ lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_dec(x_11);
-x_32 = lean_apply_1(x_1, x_25);
-x_33 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_26);
-lean_ctor_set(x_33, 2, x_27);
-lean_ctor_set(x_33, 3, x_28);
-lean_ctor_set(x_33, 4, x_29);
-lean_ctor_set(x_33, 5, x_30);
-lean_ctor_set(x_33, 6, x_31);
-lean_ctor_set(x_10, 1, x_33);
-x_34 = lean_st_ref_set(x_3, x_10, x_12);
-x_35 = lean_ctor_get(x_34, 1);
-lean_inc(x_35);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- x_36 = x_34;
+x_31 = lean_apply_1(x_1, x_25);
+x_32 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_26);
+lean_ctor_set(x_32, 2, x_27);
+lean_ctor_set(x_32, 3, x_28);
+lean_ctor_set(x_32, 4, x_29);
+lean_ctor_set(x_32, 5, x_30);
+lean_ctor_set(x_10, 1, x_32);
+x_33 = lean_st_ref_set(x_3, x_10, x_12);
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_35 = x_33;
 } else {
- lean_dec_ref(x_34);
- x_36 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_35 = lean_box(0);
 }
-x_37 = lean_box(0);
-if (lean_is_scalar(x_36)) {
- x_38 = lean_alloc_ctor(0, 2, 0);
+x_36 = lean_box(0);
+if (lean_is_scalar(x_35)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_38 = x_36;
+ x_37 = x_35;
 }
-lean_ctor_set(x_38, 0, x_37);
-lean_ctor_set(x_38, 1, x_35);
-return x_38;
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
 }
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_39 = lean_ctor_get(x_10, 0);
-x_40 = lean_ctor_get(x_10, 2);
-x_41 = lean_ctor_get(x_10, 3);
-lean_inc(x_41);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_38 = lean_ctor_get(x_10, 0);
+x_39 = lean_ctor_get(x_10, 2);
+x_40 = lean_ctor_get(x_10, 3);
 lean_inc(x_40);
 lean_inc(x_39);
+lean_inc(x_38);
 lean_dec(x_10);
-x_42 = lean_ctor_get(x_11, 0);
+x_41 = lean_ctor_get(x_11, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_11, 1);
 lean_inc(x_42);
-x_43 = lean_ctor_get(x_11, 1);
+x_43 = lean_ctor_get(x_11, 2);
 lean_inc(x_43);
-x_44 = lean_ctor_get(x_11, 2);
+x_44 = lean_ctor_get(x_11, 3);
 lean_inc(x_44);
-x_45 = lean_ctor_get(x_11, 3);
+x_45 = lean_ctor_get(x_11, 4);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_11, 4);
+x_46 = lean_ctor_get(x_11, 5);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_11, 5);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_11, 6);
-lean_inc(x_48);
 if (lean_is_exclusive(x_11)) {
  lean_ctor_release(x_11, 0);
  lean_ctor_release(x_11, 1);
@@ -5240,50 +4948,48 @@ if (lean_is_exclusive(x_11)) {
  lean_ctor_release(x_11, 3);
  lean_ctor_release(x_11, 4);
  lean_ctor_release(x_11, 5);
- lean_ctor_release(x_11, 6);
- x_49 = x_11;
+ x_47 = x_11;
 } else {
  lean_dec_ref(x_11);
- x_49 = lean_box(0);
+ x_47 = lean_box(0);
 }
-x_50 = lean_apply_1(x_1, x_42);
-if (lean_is_scalar(x_49)) {
- x_51 = lean_alloc_ctor(0, 7, 0);
+x_48 = lean_apply_1(x_1, x_41);
+if (lean_is_scalar(x_47)) {
+ x_49 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_51 = x_49;
+ x_49 = x_47;
 }
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_43);
-lean_ctor_set(x_51, 2, x_44);
-lean_ctor_set(x_51, 3, x_45);
-lean_ctor_set(x_51, 4, x_46);
-lean_ctor_set(x_51, 5, x_47);
-lean_ctor_set(x_51, 6, x_48);
-x_52 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_52, 0, x_39);
-lean_ctor_set(x_52, 1, x_51);
-lean_ctor_set(x_52, 2, x_40);
-lean_ctor_set(x_52, 3, x_41);
-x_53 = lean_st_ref_set(x_3, x_52, x_12);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_53)) {
- lean_ctor_release(x_53, 0);
- lean_ctor_release(x_53, 1);
+lean_ctor_set(x_49, 0, x_48);
+lean_ctor_set(x_49, 1, x_42);
+lean_ctor_set(x_49, 2, x_43);
+lean_ctor_set(x_49, 3, x_44);
+lean_ctor_set(x_49, 4, x_45);
+lean_ctor_set(x_49, 5, x_46);
+x_50 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_50, 0, x_38);
+lean_ctor_set(x_50, 1, x_49);
+lean_ctor_set(x_50, 2, x_39);
+lean_ctor_set(x_50, 3, x_40);
+x_51 = lean_st_ref_set(x_3, x_50, x_12);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_53 = x_51;
+} else {
+ lean_dec_ref(x_51);
+ x_53 = lean_box(0);
+}
+x_54 = lean_box(0);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_55 = x_53;
-} else {
- lean_dec_ref(x_53);
- x_55 = lean_box(0);
 }
-x_56 = lean_box(0);
-if (lean_is_scalar(x_55)) {
- x_57 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_57 = x_55;
-}
-lean_ctor_set(x_57, 0, x_56);
-lean_ctor_set(x_57, 1, x_54);
-return x_57;
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_52);
+return x_55;
 }
 }
 }
@@ -5299,6 +5005,192 @@ lean_dec(x_2);
 return x_7;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_modifyDefEqCache(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_7 = lean_st_ref_get(x_5, x_6);
+x_8 = lean_ctor_get(x_7, 1);
+lean_inc(x_8);
+lean_dec(x_7);
+x_9 = lean_st_ref_take(x_3, x_8);
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_9, 1);
+lean_inc(x_12);
+lean_dec(x_9);
+x_13 = !lean_is_exclusive(x_10);
+if (x_13 == 0)
+{
+lean_object* x_14; uint8_t x_15; 
+x_14 = lean_ctor_get(x_10, 1);
+lean_dec(x_14);
+x_15 = !lean_is_exclusive(x_11);
+if (x_15 == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_16 = lean_ctor_get(x_11, 5);
+x_17 = lean_apply_1(x_1, x_16);
+lean_ctor_set(x_11, 5, x_17);
+x_18 = lean_st_ref_set(x_3, x_10, x_12);
+x_19 = !lean_is_exclusive(x_18);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_ctor_get(x_18, 0);
+lean_dec(x_20);
+x_21 = lean_box(0);
+lean_ctor_set(x_18, 0, x_21);
+return x_18;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_18, 1);
+lean_inc(x_22);
+lean_dec(x_18);
+x_23 = lean_box(0);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_22);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_25 = lean_ctor_get(x_11, 0);
+x_26 = lean_ctor_get(x_11, 1);
+x_27 = lean_ctor_get(x_11, 2);
+x_28 = lean_ctor_get(x_11, 3);
+x_29 = lean_ctor_get(x_11, 4);
+x_30 = lean_ctor_get(x_11, 5);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_11);
+x_31 = lean_apply_1(x_1, x_30);
+x_32 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_32, 0, x_25);
+lean_ctor_set(x_32, 1, x_26);
+lean_ctor_set(x_32, 2, x_27);
+lean_ctor_set(x_32, 3, x_28);
+lean_ctor_set(x_32, 4, x_29);
+lean_ctor_set(x_32, 5, x_31);
+lean_ctor_set(x_10, 1, x_32);
+x_33 = lean_st_ref_set(x_3, x_10, x_12);
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_35 = x_33;
+} else {
+ lean_dec_ref(x_33);
+ x_35 = lean_box(0);
+}
+x_36 = lean_box(0);
+if (lean_is_scalar(x_35)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_37 = x_35;
+}
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
+}
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_38 = lean_ctor_get(x_10, 0);
+x_39 = lean_ctor_get(x_10, 2);
+x_40 = lean_ctor_get(x_10, 3);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_10);
+x_41 = lean_ctor_get(x_11, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_11, 1);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_11, 2);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_11, 3);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_11, 4);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_11, 5);
+lean_inc(x_46);
+if (lean_is_exclusive(x_11)) {
+ lean_ctor_release(x_11, 0);
+ lean_ctor_release(x_11, 1);
+ lean_ctor_release(x_11, 2);
+ lean_ctor_release(x_11, 3);
+ lean_ctor_release(x_11, 4);
+ lean_ctor_release(x_11, 5);
+ x_47 = x_11;
+} else {
+ lean_dec_ref(x_11);
+ x_47 = lean_box(0);
+}
+x_48 = lean_apply_1(x_1, x_46);
+if (lean_is_scalar(x_47)) {
+ x_49 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_49 = x_47;
+}
+lean_ctor_set(x_49, 0, x_41);
+lean_ctor_set(x_49, 1, x_42);
+lean_ctor_set(x_49, 2, x_43);
+lean_ctor_set(x_49, 3, x_44);
+lean_ctor_set(x_49, 4, x_45);
+lean_ctor_set(x_49, 5, x_48);
+x_50 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_50, 0, x_38);
+lean_ctor_set(x_50, 1, x_49);
+lean_ctor_set(x_50, 2, x_39);
+lean_ctor_set(x_50, 3, x_40);
+x_51 = lean_st_ref_set(x_3, x_50, x_12);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_53 = x_51;
+} else {
+ lean_dec_ref(x_51);
+ x_53 = lean_box(0);
+}
+x_54 = lean_box(0);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_55 = x_53;
+}
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_52);
+return x_55;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_modifyDefEqCache___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_modifyDefEqCache(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_7;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_getLocalInstances(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -9911,7 +9803,7 @@ lean_ctor_set(x_29, 3, x_28);
 x_30 = lean_apply_2(x_1, x_26, x_29);
 if (lean_obj_tag(x_30) == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
 x_31 = lean_ctor_get(x_30, 1);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 0);
@@ -9919,706 +9811,350 @@ lean_inc(x_32);
 lean_dec(x_30);
 x_33 = lean_ctor_get(x_31, 0);
 lean_inc(x_33);
-x_61 = lean_st_ref_get(x_5, x_24);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-lean_dec(x_61);
-x_63 = lean_st_ref_take(x_3, x_62);
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get_uint8(x_33, sizeof(void*)*8);
-if (x_65 == 0)
+x_34 = lean_ctor_get(x_31, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_31, 2);
+lean_inc(x_35);
+lean_dec(x_31);
+x_36 = lean_st_ref_get(x_5, x_24);
+x_37 = lean_ctor_get(x_36, 1);
+lean_inc(x_37);
+lean_dec(x_36);
+x_38 = lean_st_ref_take(x_3, x_37);
+x_39 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_40);
+lean_dec(x_38);
+x_41 = !lean_is_exclusive(x_39);
+if (x_41 == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; 
-x_66 = lean_ctor_get(x_64, 0);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_63, 1);
-lean_inc(x_67);
-lean_dec(x_63);
-x_68 = lean_ctor_get(x_33, 0);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_42 = lean_ctor_get(x_39, 0);
+lean_dec(x_42);
+lean_ctor_set(x_39, 0, x_33);
+x_43 = lean_st_ref_set(x_3, x_39, x_40);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_st_ref_take(x_5, x_44);
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+x_48 = !lean_is_exclusive(x_46);
+if (x_48 == 0)
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
+x_49 = lean_ctor_get(x_46, 2);
+lean_dec(x_49);
+x_50 = lean_ctor_get(x_46, 1);
+lean_dec(x_50);
+lean_ctor_set(x_46, 2, x_35);
+lean_ctor_set(x_46, 1, x_34);
+x_51 = lean_st_ref_set(x_5, x_46, x_47);
+x_52 = !lean_is_exclusive(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; 
+x_53 = lean_ctor_get(x_51, 0);
+lean_dec(x_53);
+lean_ctor_set(x_51, 0, x_32);
+return x_51;
+}
+else
+{
+lean_object* x_54; lean_object* x_55; 
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_32);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
+}
+}
+else
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_56 = lean_ctor_get(x_46, 0);
+x_57 = lean_ctor_get(x_46, 3);
+x_58 = lean_ctor_get(x_46, 4);
+x_59 = lean_ctor_get(x_46, 5);
+x_60 = lean_ctor_get(x_46, 6);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_inc(x_56);
+lean_dec(x_46);
+x_61 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_61, 0, x_56);
+lean_ctor_set(x_61, 1, x_34);
+lean_ctor_set(x_61, 2, x_35);
+lean_ctor_set(x_61, 3, x_57);
+lean_ctor_set(x_61, 4, x_58);
+lean_ctor_set(x_61, 5, x_59);
+lean_ctor_set(x_61, 6, x_60);
+x_62 = lean_st_ref_set(x_5, x_61, x_47);
+x_63 = lean_ctor_get(x_62, 1);
+lean_inc(x_63);
+if (lean_is_exclusive(x_62)) {
+ lean_ctor_release(x_62, 0);
+ lean_ctor_release(x_62, 1);
+ x_64 = x_62;
+} else {
+ lean_dec_ref(x_62);
+ x_64 = lean_box(0);
+}
+if (lean_is_scalar(x_64)) {
+ x_65 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_65 = x_64;
+}
+lean_ctor_set(x_65, 0, x_32);
+lean_ctor_set(x_65, 1, x_63);
+return x_65;
+}
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_66 = lean_ctor_get(x_39, 1);
+x_67 = lean_ctor_get(x_39, 2);
+x_68 = lean_ctor_get(x_39, 3);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_33, 1);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_33, 2);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_33, 3);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_39);
+x_69 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_69, 0, x_33);
+lean_ctor_set(x_69, 1, x_66);
+lean_ctor_set(x_69, 2, x_67);
+lean_ctor_set(x_69, 3, x_68);
+x_70 = lean_st_ref_set(x_3, x_69, x_40);
+x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_33, 4);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_33, 5);
+lean_dec(x_70);
+x_72 = lean_st_ref_take(x_5, x_71);
+x_73 = lean_ctor_get(x_72, 0);
 lean_inc(x_73);
-x_74 = lean_ctor_get(x_33, 6);
+x_74 = lean_ctor_get(x_72, 1);
 lean_inc(x_74);
-x_75 = lean_ctor_get(x_33, 7);
+lean_dec(x_72);
+x_75 = lean_ctor_get(x_73, 0);
 lean_inc(x_75);
-lean_dec(x_33);
-x_76 = !lean_is_exclusive(x_64);
-if (x_76 == 0)
+x_76 = lean_ctor_get(x_73, 3);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_73, 4);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_73, 5);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_73, 6);
+lean_inc(x_79);
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ lean_ctor_release(x_73, 2);
+ lean_ctor_release(x_73, 3);
+ lean_ctor_release(x_73, 4);
+ lean_ctor_release(x_73, 5);
+ lean_ctor_release(x_73, 6);
+ x_80 = x_73;
+} else {
+ lean_dec_ref(x_73);
+ x_80 = lean_box(0);
+}
+if (lean_is_scalar(x_80)) {
+ x_81 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_81 = x_80;
+}
+lean_ctor_set(x_81, 0, x_75);
+lean_ctor_set(x_81, 1, x_34);
+lean_ctor_set(x_81, 2, x_35);
+lean_ctor_set(x_81, 3, x_76);
+lean_ctor_set(x_81, 4, x_77);
+lean_ctor_set(x_81, 5, x_78);
+lean_ctor_set(x_81, 6, x_79);
+x_82 = lean_st_ref_set(x_5, x_81, x_74);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+if (lean_is_exclusive(x_82)) {
+ lean_ctor_release(x_82, 0);
+ lean_ctor_release(x_82, 1);
+ x_84 = x_82;
+} else {
+ lean_dec_ref(x_82);
+ x_84 = lean_box(0);
+}
+if (lean_is_scalar(x_84)) {
+ x_85 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_85 = x_84;
+}
+lean_ctor_set(x_85, 0, x_32);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
+}
+}
+else
 {
-lean_object* x_77; uint8_t x_78; 
-x_77 = lean_ctor_get(x_64, 0);
-lean_dec(x_77);
-x_78 = !lean_is_exclusive(x_66);
-if (x_78 == 0)
-{
-lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_79 = lean_ctor_get(x_66, 7);
-lean_dec(x_79);
-x_80 = lean_ctor_get(x_66, 6);
-lean_dec(x_80);
-x_81 = lean_ctor_get(x_66, 5);
-lean_dec(x_81);
-x_82 = lean_ctor_get(x_66, 4);
-lean_dec(x_82);
-x_83 = lean_ctor_get(x_66, 3);
-lean_dec(x_83);
-x_84 = lean_ctor_get(x_66, 2);
-lean_dec(x_84);
-x_85 = lean_ctor_get(x_66, 1);
-lean_dec(x_85);
-x_86 = lean_ctor_get(x_66, 0);
-lean_dec(x_86);
-lean_ctor_set(x_66, 7, x_75);
-lean_ctor_set(x_66, 6, x_74);
-lean_ctor_set(x_66, 5, x_73);
-lean_ctor_set(x_66, 4, x_72);
-lean_ctor_set(x_66, 3, x_71);
-lean_ctor_set(x_66, 2, x_70);
-lean_ctor_set(x_66, 1, x_69);
-lean_ctor_set(x_66, 0, x_68);
-x_87 = lean_st_ref_set(x_3, x_64, x_67);
-x_88 = lean_ctor_get(x_87, 1);
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; 
+x_86 = lean_ctor_get(x_30, 1);
+lean_inc(x_86);
+lean_dec(x_30);
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
 lean_inc(x_88);
-lean_dec(x_87);
-x_34 = x_88;
-goto block_60;
-}
-else
-{
-uint8_t x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_89 = lean_ctor_get_uint8(x_66, sizeof(void*)*8);
-lean_dec(x_66);
-x_90 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_90, 0, x_68);
-lean_ctor_set(x_90, 1, x_69);
-lean_ctor_set(x_90, 2, x_70);
-lean_ctor_set(x_90, 3, x_71);
-lean_ctor_set(x_90, 4, x_72);
-lean_ctor_set(x_90, 5, x_73);
-lean_ctor_set(x_90, 6, x_74);
-lean_ctor_set(x_90, 7, x_75);
-lean_ctor_set_uint8(x_90, sizeof(void*)*8, x_89);
-lean_ctor_set(x_64, 0, x_90);
-x_91 = lean_st_ref_set(x_3, x_64, x_67);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-lean_dec(x_91);
-x_34 = x_92;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_93 = lean_ctor_get(x_64, 1);
-x_94 = lean_ctor_get(x_64, 2);
-x_95 = lean_ctor_get(x_64, 3);
-lean_inc(x_95);
-lean_inc(x_94);
+x_89 = lean_ctor_get(x_86, 2);
+lean_inc(x_89);
+lean_dec(x_86);
+x_90 = lean_st_ref_get(x_5, x_24);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+lean_dec(x_90);
+x_92 = lean_st_ref_take(x_3, x_91);
+x_93 = lean_ctor_get(x_92, 0);
 lean_inc(x_93);
-lean_dec(x_64);
-x_96 = lean_ctor_get_uint8(x_66, sizeof(void*)*8);
-if (lean_is_exclusive(x_66)) {
- lean_ctor_release(x_66, 0);
- lean_ctor_release(x_66, 1);
- lean_ctor_release(x_66, 2);
- lean_ctor_release(x_66, 3);
- lean_ctor_release(x_66, 4);
- lean_ctor_release(x_66, 5);
- lean_ctor_release(x_66, 6);
- lean_ctor_release(x_66, 7);
- x_97 = x_66;
-} else {
- lean_dec_ref(x_66);
- x_97 = lean_box(0);
-}
-if (lean_is_scalar(x_97)) {
- x_98 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_98 = x_97;
-}
-lean_ctor_set(x_98, 0, x_68);
-lean_ctor_set(x_98, 1, x_69);
-lean_ctor_set(x_98, 2, x_70);
-lean_ctor_set(x_98, 3, x_71);
-lean_ctor_set(x_98, 4, x_72);
-lean_ctor_set(x_98, 5, x_73);
-lean_ctor_set(x_98, 6, x_74);
-lean_ctor_set(x_98, 7, x_75);
-lean_ctor_set_uint8(x_98, sizeof(void*)*8, x_96);
-x_99 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_99, 0, x_98);
-lean_ctor_set(x_99, 1, x_93);
-lean_ctor_set(x_99, 2, x_94);
-lean_ctor_set(x_99, 3, x_95);
-x_100 = lean_st_ref_set(x_3, x_99, x_67);
-x_101 = lean_ctor_get(x_100, 1);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = !lean_is_exclusive(x_93);
+if (x_95 == 0)
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_96 = lean_ctor_get(x_93, 0);
+lean_dec(x_96);
+lean_ctor_set(x_93, 0, x_87);
+x_97 = lean_st_ref_set(x_3, x_93, x_94);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_take(x_5, x_98);
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_99, 1);
 lean_inc(x_101);
-lean_dec(x_100);
-x_34 = x_101;
-goto block_60;
-}
-}
-else
+lean_dec(x_99);
+x_102 = !lean_is_exclusive(x_100);
+if (x_102 == 0)
 {
-lean_object* x_102; uint8_t x_103; 
-x_102 = lean_ctor_get(x_63, 1);
-lean_inc(x_102);
-lean_dec(x_63);
-x_103 = !lean_is_exclusive(x_33);
-if (x_103 == 0)
-{
-uint8_t x_104; 
-x_104 = !lean_is_exclusive(x_64);
-if (x_104 == 0)
-{
-lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
-x_105 = lean_ctor_get(x_64, 0);
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+x_103 = lean_ctor_get(x_100, 2);
+lean_dec(x_103);
+x_104 = lean_ctor_get(x_100, 1);
+lean_dec(x_104);
+lean_ctor_set(x_100, 2, x_89);
+lean_ctor_set(x_100, 1, x_88);
+x_105 = lean_st_ref_set(x_5, x_100, x_101);
+x_106 = lean_ctor_get(x_105, 1);
+lean_inc(x_106);
 lean_dec(x_105);
-x_106 = 1;
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_106);
-lean_ctor_set(x_64, 0, x_33);
-x_107 = lean_st_ref_set(x_3, x_64, x_102);
-x_108 = lean_ctor_get(x_107, 1);
-lean_inc(x_108);
-lean_dec(x_107);
-x_34 = x_108;
-goto block_60;
+x_107 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_108 = l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg(x_107, x_2, x_3, x_4, x_5, x_106);
+return x_108;
 }
 else
 {
-lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_109 = lean_ctor_get(x_64, 1);
-x_110 = lean_ctor_get(x_64, 2);
-x_111 = lean_ctor_get(x_64, 3);
+lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_109 = lean_ctor_get(x_100, 0);
+x_110 = lean_ctor_get(x_100, 3);
+x_111 = lean_ctor_get(x_100, 4);
+x_112 = lean_ctor_get(x_100, 5);
+x_113 = lean_ctor_get(x_100, 6);
+lean_inc(x_113);
+lean_inc(x_112);
 lean_inc(x_111);
 lean_inc(x_110);
 lean_inc(x_109);
-lean_dec(x_64);
-x_112 = 1;
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_112);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_33);
-lean_ctor_set(x_113, 1, x_109);
-lean_ctor_set(x_113, 2, x_110);
-lean_ctor_set(x_113, 3, x_111);
-x_114 = lean_st_ref_set(x_3, x_113, x_102);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_34 = x_115;
-goto block_60;
+lean_dec(x_100);
+x_114 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_114, 0, x_109);
+lean_ctor_set(x_114, 1, x_88);
+lean_ctor_set(x_114, 2, x_89);
+lean_ctor_set(x_114, 3, x_110);
+lean_ctor_set(x_114, 4, x_111);
+lean_ctor_set(x_114, 5, x_112);
+lean_ctor_set(x_114, 6, x_113);
+x_115 = lean_st_ref_set(x_5, x_114, x_101);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+lean_dec(x_115);
+x_117 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_118 = l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg(x_117, x_2, x_3, x_4, x_5, x_116);
+return x_118;
 }
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-x_116 = lean_ctor_get(x_33, 0);
-x_117 = lean_ctor_get(x_33, 1);
-x_118 = lean_ctor_get(x_33, 2);
-x_119 = lean_ctor_get(x_33, 3);
-x_120 = lean_ctor_get(x_33, 4);
-x_121 = lean_ctor_get(x_33, 5);
-x_122 = lean_ctor_get(x_33, 6);
-x_123 = lean_ctor_get(x_33, 7);
-lean_inc(x_123);
-lean_inc(x_122);
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_119 = lean_ctor_get(x_93, 1);
+x_120 = lean_ctor_get(x_93, 2);
+x_121 = lean_ctor_get(x_93, 3);
 lean_inc(x_121);
 lean_inc(x_120);
 lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_dec(x_33);
-x_124 = lean_ctor_get(x_64, 1);
+lean_dec(x_93);
+x_122 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_122, 0, x_87);
+lean_ctor_set(x_122, 1, x_119);
+lean_ctor_set(x_122, 2, x_120);
+lean_ctor_set(x_122, 3, x_121);
+x_123 = lean_st_ref_set(x_3, x_122, x_94);
+x_124 = lean_ctor_get(x_123, 1);
 lean_inc(x_124);
-x_125 = lean_ctor_get(x_64, 2);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_64, 3);
+lean_dec(x_123);
+x_125 = lean_st_ref_take(x_5, x_124);
+x_126 = lean_ctor_get(x_125, 0);
 lean_inc(x_126);
-if (lean_is_exclusive(x_64)) {
- lean_ctor_release(x_64, 0);
- lean_ctor_release(x_64, 1);
- lean_ctor_release(x_64, 2);
- lean_ctor_release(x_64, 3);
- x_127 = x_64;
-} else {
- lean_dec_ref(x_64);
- x_127 = lean_box(0);
-}
-x_128 = 1;
-x_129 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_129, 0, x_116);
-lean_ctor_set(x_129, 1, x_117);
-lean_ctor_set(x_129, 2, x_118);
-lean_ctor_set(x_129, 3, x_119);
-lean_ctor_set(x_129, 4, x_120);
-lean_ctor_set(x_129, 5, x_121);
-lean_ctor_set(x_129, 6, x_122);
-lean_ctor_set(x_129, 7, x_123);
-lean_ctor_set_uint8(x_129, sizeof(void*)*8, x_128);
-if (lean_is_scalar(x_127)) {
- x_130 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_130 = x_127;
-}
-lean_ctor_set(x_130, 0, x_129);
-lean_ctor_set(x_130, 1, x_124);
-lean_ctor_set(x_130, 2, x_125);
-lean_ctor_set(x_130, 3, x_126);
-x_131 = lean_st_ref_set(x_3, x_130, x_102);
-x_132 = lean_ctor_get(x_131, 1);
+x_127 = lean_ctor_get(x_125, 1);
+lean_inc(x_127);
+lean_dec(x_125);
+x_128 = lean_ctor_get(x_126, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_126, 3);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_126, 4);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_126, 5);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_126, 6);
 lean_inc(x_132);
-lean_dec(x_131);
-x_34 = x_132;
-goto block_60;
-}
-}
-block_60:
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_35 = lean_st_ref_take(x_5, x_34);
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
-x_38 = !lean_is_exclusive(x_36);
-if (x_38 == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_39 = lean_ctor_get(x_36, 2);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_36, 1);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_31, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_31, 2);
-lean_inc(x_42);
-lean_dec(x_31);
-lean_ctor_set(x_36, 2, x_42);
-lean_ctor_set(x_36, 1, x_41);
-x_43 = lean_st_ref_set(x_5, x_36, x_37);
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; 
-x_45 = lean_ctor_get(x_43, 0);
-lean_dec(x_45);
-lean_ctor_set(x_43, 0, x_32);
-return x_43;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_43, 1);
-lean_inc(x_46);
-lean_dec(x_43);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_32);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_48 = lean_ctor_get(x_36, 0);
-x_49 = lean_ctor_get(x_36, 3);
-x_50 = lean_ctor_get(x_36, 4);
-x_51 = lean_ctor_get(x_36, 5);
-x_52 = lean_ctor_get(x_36, 6);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_inc(x_48);
-lean_dec(x_36);
-x_53 = lean_ctor_get(x_31, 1);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_31, 2);
-lean_inc(x_54);
-lean_dec(x_31);
-x_55 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_55, 0, x_48);
-lean_ctor_set(x_55, 1, x_53);
-lean_ctor_set(x_55, 2, x_54);
-lean_ctor_set(x_55, 3, x_49);
-lean_ctor_set(x_55, 4, x_50);
-lean_ctor_set(x_55, 5, x_51);
-lean_ctor_set(x_55, 6, x_52);
-x_56 = lean_st_ref_set(x_5, x_55, x_37);
-x_57 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_58 = x_56;
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ lean_ctor_release(x_126, 2);
+ lean_ctor_release(x_126, 3);
+ lean_ctor_release(x_126, 4);
+ lean_ctor_release(x_126, 5);
+ lean_ctor_release(x_126, 6);
+ x_133 = x_126;
 } else {
- lean_dec_ref(x_56);
- x_58 = lean_box(0);
+ lean_dec_ref(x_126);
+ x_133 = lean_box(0);
 }
-if (lean_is_scalar(x_58)) {
- x_59 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_133)) {
+ x_134 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_59 = x_58;
-}
-lean_ctor_set(x_59, 0, x_32);
-lean_ctor_set(x_59, 1, x_57);
-return x_59;
-}
-}
-}
-else
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; uint8_t x_165; 
-x_133 = lean_ctor_get(x_30, 1);
-lean_inc(x_133);
-lean_dec(x_30);
-x_134 = lean_ctor_get(x_133, 0);
-lean_inc(x_134);
-x_161 = lean_st_ref_get(x_5, x_24);
-x_162 = lean_ctor_get(x_161, 1);
-lean_inc(x_162);
-lean_dec(x_161);
-x_163 = lean_st_ref_take(x_3, x_162);
-x_164 = lean_ctor_get(x_163, 0);
-lean_inc(x_164);
-x_165 = lean_ctor_get_uint8(x_134, sizeof(void*)*8);
-if (x_165 == 0)
-{
-lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_166 = lean_ctor_get(x_164, 0);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_163, 1);
-lean_inc(x_167);
-lean_dec(x_163);
-x_168 = lean_ctor_get(x_134, 0);
-lean_inc(x_168);
-x_169 = lean_ctor_get(x_134, 1);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_134, 2);
-lean_inc(x_170);
-x_171 = lean_ctor_get(x_134, 3);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_134, 4);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_134, 5);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_134, 6);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_134, 7);
-lean_inc(x_175);
-lean_dec(x_134);
-x_176 = !lean_is_exclusive(x_164);
-if (x_176 == 0)
-{
-lean_object* x_177; uint8_t x_178; 
-x_177 = lean_ctor_get(x_164, 0);
-lean_dec(x_177);
-x_178 = !lean_is_exclusive(x_166);
-if (x_178 == 0)
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_179 = lean_ctor_get(x_166, 7);
-lean_dec(x_179);
-x_180 = lean_ctor_get(x_166, 6);
-lean_dec(x_180);
-x_181 = lean_ctor_get(x_166, 5);
-lean_dec(x_181);
-x_182 = lean_ctor_get(x_166, 4);
-lean_dec(x_182);
-x_183 = lean_ctor_get(x_166, 3);
-lean_dec(x_183);
-x_184 = lean_ctor_get(x_166, 2);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_166, 1);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_166, 0);
-lean_dec(x_186);
-lean_ctor_set(x_166, 7, x_175);
-lean_ctor_set(x_166, 6, x_174);
-lean_ctor_set(x_166, 5, x_173);
-lean_ctor_set(x_166, 4, x_172);
-lean_ctor_set(x_166, 3, x_171);
-lean_ctor_set(x_166, 2, x_170);
-lean_ctor_set(x_166, 1, x_169);
-lean_ctor_set(x_166, 0, x_168);
-x_187 = lean_st_ref_set(x_3, x_164, x_167);
-x_188 = lean_ctor_get(x_187, 1);
-lean_inc(x_188);
-lean_dec(x_187);
-x_135 = x_188;
-goto block_160;
-}
-else
-{
-uint8_t x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-x_189 = lean_ctor_get_uint8(x_166, sizeof(void*)*8);
-lean_dec(x_166);
-x_190 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_190, 0, x_168);
-lean_ctor_set(x_190, 1, x_169);
-lean_ctor_set(x_190, 2, x_170);
-lean_ctor_set(x_190, 3, x_171);
-lean_ctor_set(x_190, 4, x_172);
-lean_ctor_set(x_190, 5, x_173);
-lean_ctor_set(x_190, 6, x_174);
-lean_ctor_set(x_190, 7, x_175);
-lean_ctor_set_uint8(x_190, sizeof(void*)*8, x_189);
-lean_ctor_set(x_164, 0, x_190);
-x_191 = lean_st_ref_set(x_3, x_164, x_167);
-x_192 = lean_ctor_get(x_191, 1);
-lean_inc(x_192);
-lean_dec(x_191);
-x_135 = x_192;
-goto block_160;
-}
-}
-else
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; uint8_t x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_193 = lean_ctor_get(x_164, 1);
-x_194 = lean_ctor_get(x_164, 2);
-x_195 = lean_ctor_get(x_164, 3);
-lean_inc(x_195);
-lean_inc(x_194);
-lean_inc(x_193);
-lean_dec(x_164);
-x_196 = lean_ctor_get_uint8(x_166, sizeof(void*)*8);
-if (lean_is_exclusive(x_166)) {
- lean_ctor_release(x_166, 0);
- lean_ctor_release(x_166, 1);
- lean_ctor_release(x_166, 2);
- lean_ctor_release(x_166, 3);
- lean_ctor_release(x_166, 4);
- lean_ctor_release(x_166, 5);
- lean_ctor_release(x_166, 6);
- lean_ctor_release(x_166, 7);
- x_197 = x_166;
-} else {
- lean_dec_ref(x_166);
- x_197 = lean_box(0);
-}
-if (lean_is_scalar(x_197)) {
- x_198 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_198 = x_197;
-}
-lean_ctor_set(x_198, 0, x_168);
-lean_ctor_set(x_198, 1, x_169);
-lean_ctor_set(x_198, 2, x_170);
-lean_ctor_set(x_198, 3, x_171);
-lean_ctor_set(x_198, 4, x_172);
-lean_ctor_set(x_198, 5, x_173);
-lean_ctor_set(x_198, 6, x_174);
-lean_ctor_set(x_198, 7, x_175);
-lean_ctor_set_uint8(x_198, sizeof(void*)*8, x_196);
-x_199 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_199, 0, x_198);
-lean_ctor_set(x_199, 1, x_193);
-lean_ctor_set(x_199, 2, x_194);
-lean_ctor_set(x_199, 3, x_195);
-x_200 = lean_st_ref_set(x_3, x_199, x_167);
-x_201 = lean_ctor_get(x_200, 1);
-lean_inc(x_201);
-lean_dec(x_200);
-x_135 = x_201;
-goto block_160;
-}
-}
-else
-{
-lean_object* x_202; uint8_t x_203; 
-x_202 = lean_ctor_get(x_163, 1);
-lean_inc(x_202);
-lean_dec(x_163);
-x_203 = !lean_is_exclusive(x_134);
-if (x_203 == 0)
-{
-uint8_t x_204; 
-x_204 = !lean_is_exclusive(x_164);
-if (x_204 == 0)
-{
-lean_object* x_205; uint8_t x_206; lean_object* x_207; lean_object* x_208; 
-x_205 = lean_ctor_get(x_164, 0);
-lean_dec(x_205);
-x_206 = 1;
-lean_ctor_set_uint8(x_134, sizeof(void*)*8, x_206);
-lean_ctor_set(x_164, 0, x_134);
-x_207 = lean_st_ref_set(x_3, x_164, x_202);
-x_208 = lean_ctor_get(x_207, 1);
-lean_inc(x_208);
-lean_dec(x_207);
-x_135 = x_208;
-goto block_160;
-}
-else
-{
-lean_object* x_209; lean_object* x_210; lean_object* x_211; uint8_t x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; 
-x_209 = lean_ctor_get(x_164, 1);
-x_210 = lean_ctor_get(x_164, 2);
-x_211 = lean_ctor_get(x_164, 3);
-lean_inc(x_211);
-lean_inc(x_210);
-lean_inc(x_209);
-lean_dec(x_164);
-x_212 = 1;
-lean_ctor_set_uint8(x_134, sizeof(void*)*8, x_212);
-x_213 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_213, 0, x_134);
-lean_ctor_set(x_213, 1, x_209);
-lean_ctor_set(x_213, 2, x_210);
-lean_ctor_set(x_213, 3, x_211);
-x_214 = lean_st_ref_set(x_3, x_213, x_202);
-x_215 = lean_ctor_get(x_214, 1);
-lean_inc(x_215);
-lean_dec(x_214);
-x_135 = x_215;
-goto block_160;
-}
-}
-else
-{
-lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; uint8_t x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; 
-x_216 = lean_ctor_get(x_134, 0);
-x_217 = lean_ctor_get(x_134, 1);
-x_218 = lean_ctor_get(x_134, 2);
-x_219 = lean_ctor_get(x_134, 3);
-x_220 = lean_ctor_get(x_134, 4);
-x_221 = lean_ctor_get(x_134, 5);
-x_222 = lean_ctor_get(x_134, 6);
-x_223 = lean_ctor_get(x_134, 7);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_dec(x_134);
-x_224 = lean_ctor_get(x_164, 1);
-lean_inc(x_224);
-x_225 = lean_ctor_get(x_164, 2);
-lean_inc(x_225);
-x_226 = lean_ctor_get(x_164, 3);
-lean_inc(x_226);
-if (lean_is_exclusive(x_164)) {
- lean_ctor_release(x_164, 0);
- lean_ctor_release(x_164, 1);
- lean_ctor_release(x_164, 2);
- lean_ctor_release(x_164, 3);
- x_227 = x_164;
-} else {
- lean_dec_ref(x_164);
- x_227 = lean_box(0);
-}
-x_228 = 1;
-x_229 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_229, 0, x_216);
-lean_ctor_set(x_229, 1, x_217);
-lean_ctor_set(x_229, 2, x_218);
-lean_ctor_set(x_229, 3, x_219);
-lean_ctor_set(x_229, 4, x_220);
-lean_ctor_set(x_229, 5, x_221);
-lean_ctor_set(x_229, 6, x_222);
-lean_ctor_set(x_229, 7, x_223);
-lean_ctor_set_uint8(x_229, sizeof(void*)*8, x_228);
-if (lean_is_scalar(x_227)) {
- x_230 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_230 = x_227;
-}
-lean_ctor_set(x_230, 0, x_229);
-lean_ctor_set(x_230, 1, x_224);
-lean_ctor_set(x_230, 2, x_225);
-lean_ctor_set(x_230, 3, x_226);
-x_231 = lean_st_ref_set(x_3, x_230, x_202);
-x_232 = lean_ctor_get(x_231, 1);
-lean_inc(x_232);
-lean_dec(x_231);
-x_135 = x_232;
-goto block_160;
-}
-}
-block_160:
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; 
-x_136 = lean_st_ref_take(x_5, x_135);
-x_137 = lean_ctor_get(x_136, 0);
-lean_inc(x_137);
-x_138 = lean_ctor_get(x_136, 1);
-lean_inc(x_138);
-lean_dec(x_136);
-x_139 = !lean_is_exclusive(x_137);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_140 = lean_ctor_get(x_137, 2);
-lean_dec(x_140);
-x_141 = lean_ctor_get(x_137, 1);
-lean_dec(x_141);
-x_142 = lean_ctor_get(x_133, 1);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_133, 2);
-lean_inc(x_143);
-lean_dec(x_133);
-lean_ctor_set(x_137, 2, x_143);
-lean_ctor_set(x_137, 1, x_142);
-x_144 = lean_st_ref_set(x_5, x_137, x_138);
-x_145 = lean_ctor_get(x_144, 1);
-lean_inc(x_145);
-lean_dec(x_144);
-x_146 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_147 = l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg(x_146, x_2, x_3, x_4, x_5, x_145);
-return x_147;
-}
-else
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_148 = lean_ctor_get(x_137, 0);
-x_149 = lean_ctor_get(x_137, 3);
-x_150 = lean_ctor_get(x_137, 4);
-x_151 = lean_ctor_get(x_137, 5);
-x_152 = lean_ctor_get(x_137, 6);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_inc(x_150);
-lean_inc(x_149);
-lean_inc(x_148);
-lean_dec(x_137);
-x_153 = lean_ctor_get(x_133, 1);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_133, 2);
-lean_inc(x_154);
-lean_dec(x_133);
-x_155 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_155, 0, x_148);
-lean_ctor_set(x_155, 1, x_153);
-lean_ctor_set(x_155, 2, x_154);
-lean_ctor_set(x_155, 3, x_149);
-lean_ctor_set(x_155, 4, x_150);
-lean_ctor_set(x_155, 5, x_151);
-lean_ctor_set(x_155, 6, x_152);
-x_156 = lean_st_ref_set(x_5, x_155, x_138);
-x_157 = lean_ctor_get(x_156, 1);
-lean_inc(x_157);
-lean_dec(x_156);
-x_158 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_159 = l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg(x_158, x_2, x_3, x_4, x_5, x_157);
-return x_159;
+ x_134 = x_133;
 }
+lean_ctor_set(x_134, 0, x_128);
+lean_ctor_set(x_134, 1, x_88);
+lean_ctor_set(x_134, 2, x_89);
+lean_ctor_set(x_134, 3, x_129);
+lean_ctor_set(x_134, 4, x_130);
+lean_ctor_set(x_134, 5, x_131);
+lean_ctor_set(x_134, 6, x_132);
+x_135 = lean_st_ref_set(x_5, x_134, x_127);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+lean_dec(x_135);
+x_137 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_138 = l_Lean_throwError___at_Lean_Meta_liftMkBindingM___spec__1___rarg(x_137, x_2, x_3, x_4, x_5, x_136);
+return x_138;
 }
 }
 }
@@ -10756,7 +10292,7 @@ lean_inc(x_3);
 x_34 = l_Lean_MetavarContext_MkBinding_elimMVarDeps(x_3, x_1, x_33, x_29);
 if (lean_obj_tag(x_34) == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
 lean_dec(x_6);
 lean_dec(x_4);
 x_35 = lean_ctor_get(x_34, 0);
@@ -10770,712 +10306,358 @@ lean_dec(x_2);
 lean_dec(x_35);
 x_38 = lean_ctor_get(x_36, 0);
 lean_inc(x_38);
-x_66 = lean_st_ref_get(x_7, x_25);
-x_67 = lean_ctor_get(x_66, 1);
-lean_inc(x_67);
-lean_dec(x_66);
-x_68 = lean_st_ref_take(x_5, x_67);
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get_uint8(x_38, sizeof(void*)*8);
-if (x_70 == 0)
+x_39 = lean_ctor_get(x_36, 1);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_36, 2);
+lean_inc(x_40);
+lean_dec(x_36);
+x_41 = lean_st_ref_get(x_7, x_25);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_st_ref_take(x_5, x_42);
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = !lean_is_exclusive(x_44);
+if (x_46 == 0)
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; 
-x_71 = lean_ctor_get(x_69, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_68, 1);
-lean_inc(x_72);
-lean_dec(x_68);
-x_73 = lean_ctor_get(x_38, 0);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+x_47 = lean_ctor_get(x_44, 0);
+lean_dec(x_47);
+lean_ctor_set(x_44, 0, x_38);
+x_48 = lean_st_ref_set(x_5, x_44, x_45);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_7, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
+x_54 = lean_ctor_get(x_51, 2);
+lean_dec(x_54);
+x_55 = lean_ctor_get(x_51, 1);
+lean_dec(x_55);
+lean_ctor_set(x_51, 2, x_40);
+lean_ctor_set(x_51, 1, x_39);
+x_56 = lean_st_ref_set(x_7, x_51, x_52);
+x_57 = !lean_is_exclusive(x_56);
+if (x_57 == 0)
+{
+lean_object* x_58; 
+x_58 = lean_ctor_get(x_56, 0);
+lean_dec(x_58);
+lean_ctor_set(x_56, 0, x_37);
+return x_56;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; 
+x_59 = lean_ctor_get(x_56, 1);
+lean_inc(x_59);
+lean_dec(x_56);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_37);
+lean_ctor_set(x_60, 1, x_59);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_61 = lean_ctor_get(x_51, 0);
+x_62 = lean_ctor_get(x_51, 3);
+x_63 = lean_ctor_get(x_51, 4);
+x_64 = lean_ctor_get(x_51, 5);
+x_65 = lean_ctor_get(x_51, 6);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_51);
+x_66 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_66, 0, x_61);
+lean_ctor_set(x_66, 1, x_39);
+lean_ctor_set(x_66, 2, x_40);
+lean_ctor_set(x_66, 3, x_62);
+lean_ctor_set(x_66, 4, x_63);
+lean_ctor_set(x_66, 5, x_64);
+lean_ctor_set(x_66, 6, x_65);
+x_67 = lean_st_ref_set(x_7, x_66, x_52);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_67)) {
+ lean_ctor_release(x_67, 0);
+ lean_ctor_release(x_67, 1);
+ x_69 = x_67;
+} else {
+ lean_dec_ref(x_67);
+ x_69 = lean_box(0);
+}
+if (lean_is_scalar(x_69)) {
+ x_70 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_70 = x_69;
+}
+lean_ctor_set(x_70, 0, x_37);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
+}
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_71 = lean_ctor_get(x_44, 1);
+x_72 = lean_ctor_get(x_44, 2);
+x_73 = lean_ctor_get(x_44, 3);
 lean_inc(x_73);
-x_74 = lean_ctor_get(x_38, 1);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_38, 2);
-lean_inc(x_75);
-x_76 = lean_ctor_get(x_38, 3);
+lean_inc(x_72);
+lean_inc(x_71);
+lean_dec(x_44);
+x_74 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_74, 0, x_38);
+lean_ctor_set(x_74, 1, x_71);
+lean_ctor_set(x_74, 2, x_72);
+lean_ctor_set(x_74, 3, x_73);
+x_75 = lean_st_ref_set(x_5, x_74, x_45);
+x_76 = lean_ctor_get(x_75, 1);
 lean_inc(x_76);
-x_77 = lean_ctor_get(x_38, 4);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_38, 5);
+lean_dec(x_75);
+x_77 = lean_st_ref_take(x_7, x_76);
+x_78 = lean_ctor_get(x_77, 0);
 lean_inc(x_78);
-x_79 = lean_ctor_get(x_38, 6);
+x_79 = lean_ctor_get(x_77, 1);
 lean_inc(x_79);
-x_80 = lean_ctor_get(x_38, 7);
+lean_dec(x_77);
+x_80 = lean_ctor_get(x_78, 0);
 lean_inc(x_80);
-lean_dec(x_38);
-x_81 = !lean_is_exclusive(x_69);
-if (x_81 == 0)
+x_81 = lean_ctor_get(x_78, 3);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_78, 4);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_78, 5);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_78, 6);
+lean_inc(x_84);
+if (lean_is_exclusive(x_78)) {
+ lean_ctor_release(x_78, 0);
+ lean_ctor_release(x_78, 1);
+ lean_ctor_release(x_78, 2);
+ lean_ctor_release(x_78, 3);
+ lean_ctor_release(x_78, 4);
+ lean_ctor_release(x_78, 5);
+ lean_ctor_release(x_78, 6);
+ x_85 = x_78;
+} else {
+ lean_dec_ref(x_78);
+ x_85 = lean_box(0);
+}
+if (lean_is_scalar(x_85)) {
+ x_86 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_86 = x_85;
+}
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_39);
+lean_ctor_set(x_86, 2, x_40);
+lean_ctor_set(x_86, 3, x_81);
+lean_ctor_set(x_86, 4, x_82);
+lean_ctor_set(x_86, 5, x_83);
+lean_ctor_set(x_86, 6, x_84);
+x_87 = lean_st_ref_set(x_7, x_86, x_79);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+if (lean_is_exclusive(x_87)) {
+ lean_ctor_release(x_87, 0);
+ lean_ctor_release(x_87, 1);
+ x_89 = x_87;
+} else {
+ lean_dec_ref(x_87);
+ x_89 = lean_box(0);
+}
+if (lean_is_scalar(x_89)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_89;
+}
+lean_ctor_set(x_90, 0, x_37);
+lean_ctor_set(x_90, 1, x_88);
+return x_90;
+}
+}
+else
 {
-lean_object* x_82; uint8_t x_83; 
-x_82 = lean_ctor_get(x_69, 0);
-lean_dec(x_82);
-x_83 = !lean_is_exclusive(x_71);
-if (x_83 == 0)
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_84 = lean_ctor_get(x_71, 7);
-lean_dec(x_84);
-x_85 = lean_ctor_get(x_71, 6);
-lean_dec(x_85);
-x_86 = lean_ctor_get(x_71, 5);
-lean_dec(x_86);
-x_87 = lean_ctor_get(x_71, 4);
-lean_dec(x_87);
-x_88 = lean_ctor_get(x_71, 3);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_71, 2);
-lean_dec(x_89);
-x_90 = lean_ctor_get(x_71, 1);
-lean_dec(x_90);
-x_91 = lean_ctor_get(x_71, 0);
-lean_dec(x_91);
-lean_ctor_set(x_71, 7, x_80);
-lean_ctor_set(x_71, 6, x_79);
-lean_ctor_set(x_71, 5, x_78);
-lean_ctor_set(x_71, 4, x_77);
-lean_ctor_set(x_71, 3, x_76);
-lean_ctor_set(x_71, 2, x_75);
-lean_ctor_set(x_71, 1, x_74);
-lean_ctor_set(x_71, 0, x_73);
-x_92 = lean_st_ref_set(x_5, x_69, x_72);
-x_93 = lean_ctor_get(x_92, 1);
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_3);
+lean_dec(x_2);
+x_91 = lean_ctor_get(x_34, 1);
+lean_inc(x_91);
+lean_dec(x_34);
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 1);
 lean_inc(x_93);
-lean_dec(x_92);
-x_39 = x_93;
-goto block_65;
-}
-else
-{
-uint8_t x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_94 = lean_ctor_get_uint8(x_71, sizeof(void*)*8);
-lean_dec(x_71);
-x_95 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_95, 0, x_73);
-lean_ctor_set(x_95, 1, x_74);
-lean_ctor_set(x_95, 2, x_75);
-lean_ctor_set(x_95, 3, x_76);
-lean_ctor_set(x_95, 4, x_77);
-lean_ctor_set(x_95, 5, x_78);
-lean_ctor_set(x_95, 6, x_79);
-lean_ctor_set(x_95, 7, x_80);
-lean_ctor_set_uint8(x_95, sizeof(void*)*8, x_94);
-lean_ctor_set(x_69, 0, x_95);
-x_96 = lean_st_ref_set(x_5, x_69, x_72);
-x_97 = lean_ctor_get(x_96, 1);
-lean_inc(x_97);
-lean_dec(x_96);
-x_39 = x_97;
-goto block_65;
-}
-}
-else
-{
-lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_98 = lean_ctor_get(x_69, 1);
-x_99 = lean_ctor_get(x_69, 2);
-x_100 = lean_ctor_get(x_69, 3);
-lean_inc(x_100);
-lean_inc(x_99);
+x_94 = lean_ctor_get(x_91, 2);
+lean_inc(x_94);
+lean_dec(x_91);
+x_95 = lean_st_ref_get(x_7, x_25);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_5, x_96);
+x_98 = lean_ctor_get(x_97, 0);
 lean_inc(x_98);
-lean_dec(x_69);
-x_101 = lean_ctor_get_uint8(x_71, sizeof(void*)*8);
-if (lean_is_exclusive(x_71)) {
- lean_ctor_release(x_71, 0);
- lean_ctor_release(x_71, 1);
- lean_ctor_release(x_71, 2);
- lean_ctor_release(x_71, 3);
- lean_ctor_release(x_71, 4);
- lean_ctor_release(x_71, 5);
- lean_ctor_release(x_71, 6);
- lean_ctor_release(x_71, 7);
- x_102 = x_71;
-} else {
- lean_dec_ref(x_71);
- x_102 = lean_box(0);
-}
-if (lean_is_scalar(x_102)) {
- x_103 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_103 = x_102;
-}
-lean_ctor_set(x_103, 0, x_73);
-lean_ctor_set(x_103, 1, x_74);
-lean_ctor_set(x_103, 2, x_75);
-lean_ctor_set(x_103, 3, x_76);
-lean_ctor_set(x_103, 4, x_77);
-lean_ctor_set(x_103, 5, x_78);
-lean_ctor_set(x_103, 6, x_79);
-lean_ctor_set(x_103, 7, x_80);
-lean_ctor_set_uint8(x_103, sizeof(void*)*8, x_101);
-x_104 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_104, 0, x_103);
-lean_ctor_set(x_104, 1, x_98);
-lean_ctor_set(x_104, 2, x_99);
-lean_ctor_set(x_104, 3, x_100);
-x_105 = lean_st_ref_set(x_5, x_104, x_72);
-x_106 = lean_ctor_get(x_105, 1);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_92);
+x_102 = lean_st_ref_set(x_5, x_98, x_99);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+lean_dec(x_102);
+x_104 = lean_st_ref_take(x_7, x_103);
+x_105 = lean_ctor_get(x_104, 0);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_104, 1);
 lean_inc(x_106);
-lean_dec(x_105);
-x_39 = x_106;
-goto block_65;
-}
-}
-else
+lean_dec(x_104);
+x_107 = !lean_is_exclusive(x_105);
+if (x_107 == 0)
 {
-lean_object* x_107; uint8_t x_108; 
-x_107 = lean_ctor_get(x_68, 1);
-lean_inc(x_107);
-lean_dec(x_68);
-x_108 = !lean_is_exclusive(x_38);
-if (x_108 == 0)
-{
-uint8_t x_109; 
-x_109 = !lean_is_exclusive(x_69);
-if (x_109 == 0)
-{
-lean_object* x_110; uint8_t x_111; lean_object* x_112; lean_object* x_113; 
-x_110 = lean_ctor_get(x_69, 0);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+x_108 = lean_ctor_get(x_105, 2);
+lean_dec(x_108);
+x_109 = lean_ctor_get(x_105, 1);
+lean_dec(x_109);
+lean_ctor_set(x_105, 2, x_94);
+lean_ctor_set(x_105, 1, x_93);
+x_110 = lean_st_ref_set(x_7, x_105, x_106);
+x_111 = lean_ctor_get(x_110, 1);
+lean_inc(x_111);
 lean_dec(x_110);
-x_111 = 1;
-lean_ctor_set_uint8(x_38, sizeof(void*)*8, x_111);
-lean_ctor_set(x_69, 0, x_38);
-x_112 = lean_st_ref_set(x_5, x_69, x_107);
-x_113 = lean_ctor_get(x_112, 1);
-lean_inc(x_113);
-lean_dec(x_112);
-x_39 = x_113;
-goto block_65;
+x_112 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_113 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_112, x_4, x_5, x_6, x_7, x_111);
+lean_dec(x_6);
+lean_dec(x_4);
+return x_113;
 }
 else
 {
-lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_114 = lean_ctor_get(x_69, 1);
-x_115 = lean_ctor_get(x_69, 2);
-x_116 = lean_ctor_get(x_69, 3);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_114 = lean_ctor_get(x_105, 0);
+x_115 = lean_ctor_get(x_105, 3);
+x_116 = lean_ctor_get(x_105, 4);
+x_117 = lean_ctor_get(x_105, 5);
+x_118 = lean_ctor_get(x_105, 6);
+lean_inc(x_118);
+lean_inc(x_117);
 lean_inc(x_116);
 lean_inc(x_115);
 lean_inc(x_114);
-lean_dec(x_69);
-x_117 = 1;
-lean_ctor_set_uint8(x_38, sizeof(void*)*8, x_117);
-x_118 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_118, 0, x_38);
-lean_ctor_set(x_118, 1, x_114);
-lean_ctor_set(x_118, 2, x_115);
-lean_ctor_set(x_118, 3, x_116);
-x_119 = lean_st_ref_set(x_5, x_118, x_107);
-x_120 = lean_ctor_get(x_119, 1);
-lean_inc(x_120);
-lean_dec(x_119);
-x_39 = x_120;
-goto block_65;
+lean_dec(x_105);
+x_119 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_119, 0, x_114);
+lean_ctor_set(x_119, 1, x_93);
+lean_ctor_set(x_119, 2, x_94);
+lean_ctor_set(x_119, 3, x_115);
+lean_ctor_set(x_119, 4, x_116);
+lean_ctor_set(x_119, 5, x_117);
+lean_ctor_set(x_119, 6, x_118);
+x_120 = lean_st_ref_set(x_7, x_119, x_106);
+x_121 = lean_ctor_get(x_120, 1);
+lean_inc(x_121);
+lean_dec(x_120);
+x_122 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_123 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_122, x_4, x_5, x_6, x_7, x_121);
+lean_dec(x_6);
+lean_dec(x_4);
+return x_123;
 }
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_121 = lean_ctor_get(x_38, 0);
-x_122 = lean_ctor_get(x_38, 1);
-x_123 = lean_ctor_get(x_38, 2);
-x_124 = lean_ctor_get(x_38, 3);
-x_125 = lean_ctor_get(x_38, 4);
-x_126 = lean_ctor_get(x_38, 5);
-x_127 = lean_ctor_get(x_38, 6);
-x_128 = lean_ctor_get(x_38, 7);
-lean_inc(x_128);
-lean_inc(x_127);
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+x_124 = lean_ctor_get(x_98, 1);
+x_125 = lean_ctor_get(x_98, 2);
+x_126 = lean_ctor_get(x_98, 3);
 lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_dec(x_38);
-x_129 = lean_ctor_get(x_69, 1);
+lean_dec(x_98);
+x_127 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_127, 0, x_92);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
+x_128 = lean_st_ref_set(x_5, x_127, x_99);
+x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-x_130 = lean_ctor_get(x_69, 2);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_69, 3);
+lean_dec(x_128);
+x_130 = lean_st_ref_take(x_7, x_129);
+x_131 = lean_ctor_get(x_130, 0);
 lean_inc(x_131);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- lean_ctor_release(x_69, 2);
- lean_ctor_release(x_69, 3);
- x_132 = x_69;
-} else {
- lean_dec_ref(x_69);
- x_132 = lean_box(0);
-}
-x_133 = 1;
-x_134 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_134, 0, x_121);
-lean_ctor_set(x_134, 1, x_122);
-lean_ctor_set(x_134, 2, x_123);
-lean_ctor_set(x_134, 3, x_124);
-lean_ctor_set(x_134, 4, x_125);
-lean_ctor_set(x_134, 5, x_126);
-lean_ctor_set(x_134, 6, x_127);
-lean_ctor_set(x_134, 7, x_128);
-lean_ctor_set_uint8(x_134, sizeof(void*)*8, x_133);
-if (lean_is_scalar(x_132)) {
- x_135 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_135 = x_132;
-}
-lean_ctor_set(x_135, 0, x_134);
-lean_ctor_set(x_135, 1, x_129);
-lean_ctor_set(x_135, 2, x_130);
-lean_ctor_set(x_135, 3, x_131);
-x_136 = lean_st_ref_set(x_5, x_135, x_107);
-x_137 = lean_ctor_get(x_136, 1);
+x_132 = lean_ctor_get(x_130, 1);
+lean_inc(x_132);
+lean_dec(x_130);
+x_133 = lean_ctor_get(x_131, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_131, 3);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_131, 4);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_131, 5);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_131, 6);
 lean_inc(x_137);
-lean_dec(x_136);
-x_39 = x_137;
-goto block_65;
-}
-}
-block_65:
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-x_40 = lean_st_ref_take(x_7, x_39);
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_40, 1);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = !lean_is_exclusive(x_41);
-if (x_43 == 0)
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_44 = lean_ctor_get(x_41, 2);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_41, 1);
-lean_dec(x_45);
-x_46 = lean_ctor_get(x_36, 1);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_36, 2);
-lean_inc(x_47);
-lean_dec(x_36);
-lean_ctor_set(x_41, 2, x_47);
-lean_ctor_set(x_41, 1, x_46);
-x_48 = lean_st_ref_set(x_7, x_41, x_42);
-x_49 = !lean_is_exclusive(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; 
-x_50 = lean_ctor_get(x_48, 0);
-lean_dec(x_50);
-lean_ctor_set(x_48, 0, x_37);
-return x_48;
-}
-else
-{
-lean_object* x_51; lean_object* x_52; 
-x_51 = lean_ctor_get(x_48, 1);
-lean_inc(x_51);
-lean_dec(x_48);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_37);
-lean_ctor_set(x_52, 1, x_51);
-return x_52;
-}
-}
-else
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_53 = lean_ctor_get(x_41, 0);
-x_54 = lean_ctor_get(x_41, 3);
-x_55 = lean_ctor_get(x_41, 4);
-x_56 = lean_ctor_get(x_41, 5);
-x_57 = lean_ctor_get(x_41, 6);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_dec(x_41);
-x_58 = lean_ctor_get(x_36, 1);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_36, 2);
-lean_inc(x_59);
-lean_dec(x_36);
-x_60 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_60, 0, x_53);
-lean_ctor_set(x_60, 1, x_58);
-lean_ctor_set(x_60, 2, x_59);
-lean_ctor_set(x_60, 3, x_54);
-lean_ctor_set(x_60, 4, x_55);
-lean_ctor_set(x_60, 5, x_56);
-lean_ctor_set(x_60, 6, x_57);
-x_61 = lean_st_ref_set(x_7, x_60, x_42);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_63 = x_61;
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ lean_ctor_release(x_131, 2);
+ lean_ctor_release(x_131, 3);
+ lean_ctor_release(x_131, 4);
+ lean_ctor_release(x_131, 5);
+ lean_ctor_release(x_131, 6);
+ x_138 = x_131;
 } else {
- lean_dec_ref(x_61);
- x_63 = lean_box(0);
+ lean_dec_ref(x_131);
+ x_138 = lean_box(0);
 }
-if (lean_is_scalar(x_63)) {
- x_64 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_138)) {
+ x_139 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_64 = x_63;
+ x_139 = x_138;
 }
-lean_ctor_set(x_64, 0, x_37);
-lean_ctor_set(x_64, 1, x_62);
-return x_64;
-}
-}
-}
-else
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; uint8_t x_170; 
-lean_dec(x_3);
-lean_dec(x_2);
-x_138 = lean_ctor_get(x_34, 1);
-lean_inc(x_138);
-lean_dec(x_34);
-x_139 = lean_ctor_get(x_138, 0);
-lean_inc(x_139);
-x_166 = lean_st_ref_get(x_7, x_25);
-x_167 = lean_ctor_get(x_166, 1);
-lean_inc(x_167);
-lean_dec(x_166);
-x_168 = lean_st_ref_take(x_5, x_167);
-x_169 = lean_ctor_get(x_168, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get_uint8(x_139, sizeof(void*)*8);
-if (x_170 == 0)
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; 
-x_171 = lean_ctor_get(x_169, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_168, 1);
-lean_inc(x_172);
-lean_dec(x_168);
-x_173 = lean_ctor_get(x_139, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_139, 1);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_139, 2);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_139, 3);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_139, 4);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_139, 5);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_139, 6);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_139, 7);
-lean_inc(x_180);
-lean_dec(x_139);
-x_181 = !lean_is_exclusive(x_169);
-if (x_181 == 0)
-{
-lean_object* x_182; uint8_t x_183; 
-x_182 = lean_ctor_get(x_169, 0);
-lean_dec(x_182);
-x_183 = !lean_is_exclusive(x_171);
-if (x_183 == 0)
-{
-lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; 
-x_184 = lean_ctor_get(x_171, 7);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_171, 5);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_171, 4);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_171, 3);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_171, 2);
-lean_dec(x_189);
-x_190 = lean_ctor_get(x_171, 1);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_171, 0);
-lean_dec(x_191);
-lean_ctor_set(x_171, 7, x_180);
-lean_ctor_set(x_171, 6, x_179);
-lean_ctor_set(x_171, 5, x_178);
-lean_ctor_set(x_171, 4, x_177);
-lean_ctor_set(x_171, 3, x_176);
-lean_ctor_set(x_171, 2, x_175);
-lean_ctor_set(x_171, 1, x_174);
-lean_ctor_set(x_171, 0, x_173);
-x_192 = lean_st_ref_set(x_5, x_169, x_172);
-x_193 = lean_ctor_get(x_192, 1);
-lean_inc(x_193);
-lean_dec(x_192);
-x_140 = x_193;
-goto block_165;
-}
-else
-{
-uint8_t x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_194 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-lean_dec(x_171);
-x_195 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_195, 0, x_173);
-lean_ctor_set(x_195, 1, x_174);
-lean_ctor_set(x_195, 2, x_175);
-lean_ctor_set(x_195, 3, x_176);
-lean_ctor_set(x_195, 4, x_177);
-lean_ctor_set(x_195, 5, x_178);
-lean_ctor_set(x_195, 6, x_179);
-lean_ctor_set(x_195, 7, x_180);
-lean_ctor_set_uint8(x_195, sizeof(void*)*8, x_194);
-lean_ctor_set(x_169, 0, x_195);
-x_196 = lean_st_ref_set(x_5, x_169, x_172);
-x_197 = lean_ctor_get(x_196, 1);
-lean_inc(x_197);
-lean_dec(x_196);
-x_140 = x_197;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_198; lean_object* x_199; lean_object* x_200; uint8_t x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; 
-x_198 = lean_ctor_get(x_169, 1);
-x_199 = lean_ctor_get(x_169, 2);
-x_200 = lean_ctor_get(x_169, 3);
-lean_inc(x_200);
-lean_inc(x_199);
-lean_inc(x_198);
-lean_dec(x_169);
-x_201 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (lean_is_exclusive(x_171)) {
- lean_ctor_release(x_171, 0);
- lean_ctor_release(x_171, 1);
- lean_ctor_release(x_171, 2);
- lean_ctor_release(x_171, 3);
- lean_ctor_release(x_171, 4);
- lean_ctor_release(x_171, 5);
- lean_ctor_release(x_171, 6);
- lean_ctor_release(x_171, 7);
- x_202 = x_171;
-} else {
- lean_dec_ref(x_171);
- x_202 = lean_box(0);
-}
-if (lean_is_scalar(x_202)) {
- x_203 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_203 = x_202;
-}
-lean_ctor_set(x_203, 0, x_173);
-lean_ctor_set(x_203, 1, x_174);
-lean_ctor_set(x_203, 2, x_175);
-lean_ctor_set(x_203, 3, x_176);
-lean_ctor_set(x_203, 4, x_177);
-lean_ctor_set(x_203, 5, x_178);
-lean_ctor_set(x_203, 6, x_179);
-lean_ctor_set(x_203, 7, x_180);
-lean_ctor_set_uint8(x_203, sizeof(void*)*8, x_201);
-x_204 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_204, 0, x_203);
-lean_ctor_set(x_204, 1, x_198);
-lean_ctor_set(x_204, 2, x_199);
-lean_ctor_set(x_204, 3, x_200);
-x_205 = lean_st_ref_set(x_5, x_204, x_172);
-x_206 = lean_ctor_get(x_205, 1);
-lean_inc(x_206);
-lean_dec(x_205);
-x_140 = x_206;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_207; uint8_t x_208; 
-x_207 = lean_ctor_get(x_168, 1);
-lean_inc(x_207);
-lean_dec(x_168);
-x_208 = !lean_is_exclusive(x_139);
-if (x_208 == 0)
-{
-uint8_t x_209; 
-x_209 = !lean_is_exclusive(x_169);
-if (x_209 == 0)
-{
-lean_object* x_210; uint8_t x_211; lean_object* x_212; lean_object* x_213; 
-x_210 = lean_ctor_get(x_169, 0);
-lean_dec(x_210);
-x_211 = 1;
-lean_ctor_set_uint8(x_139, sizeof(void*)*8, x_211);
-lean_ctor_set(x_169, 0, x_139);
-x_212 = lean_st_ref_set(x_5, x_169, x_207);
-x_213 = lean_ctor_get(x_212, 1);
-lean_inc(x_213);
-lean_dec(x_212);
-x_140 = x_213;
-goto block_165;
-}
-else
-{
-lean_object* x_214; lean_object* x_215; lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_214 = lean_ctor_get(x_169, 1);
-x_215 = lean_ctor_get(x_169, 2);
-x_216 = lean_ctor_get(x_169, 3);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_dec(x_169);
-x_217 = 1;
-lean_ctor_set_uint8(x_139, sizeof(void*)*8, x_217);
-x_218 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_218, 0, x_139);
-lean_ctor_set(x_218, 1, x_214);
-lean_ctor_set(x_218, 2, x_215);
-lean_ctor_set(x_218, 3, x_216);
-x_219 = lean_st_ref_set(x_5, x_218, x_207);
-x_220 = lean_ctor_get(x_219, 1);
-lean_inc(x_220);
-lean_dec(x_219);
-x_140 = x_220;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; uint8_t x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; 
-x_221 = lean_ctor_get(x_139, 0);
-x_222 = lean_ctor_get(x_139, 1);
-x_223 = lean_ctor_get(x_139, 2);
-x_224 = lean_ctor_get(x_139, 3);
-x_225 = lean_ctor_get(x_139, 4);
-x_226 = lean_ctor_get(x_139, 5);
-x_227 = lean_ctor_get(x_139, 6);
-x_228 = lean_ctor_get(x_139, 7);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_dec(x_139);
-x_229 = lean_ctor_get(x_169, 1);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_169, 2);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_169, 3);
-lean_inc(x_231);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- lean_ctor_release(x_169, 2);
- lean_ctor_release(x_169, 3);
- x_232 = x_169;
-} else {
- lean_dec_ref(x_169);
- x_232 = lean_box(0);
-}
-x_233 = 1;
-x_234 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_234, 0, x_221);
-lean_ctor_set(x_234, 1, x_222);
-lean_ctor_set(x_234, 2, x_223);
-lean_ctor_set(x_234, 3, x_224);
-lean_ctor_set(x_234, 4, x_225);
-lean_ctor_set(x_234, 5, x_226);
-lean_ctor_set(x_234, 6, x_227);
-lean_ctor_set(x_234, 7, x_228);
-lean_ctor_set_uint8(x_234, sizeof(void*)*8, x_233);
-if (lean_is_scalar(x_232)) {
- x_235 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_235 = x_232;
-}
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_229);
-lean_ctor_set(x_235, 2, x_230);
-lean_ctor_set(x_235, 3, x_231);
-x_236 = lean_st_ref_set(x_5, x_235, x_207);
-x_237 = lean_ctor_get(x_236, 1);
-lean_inc(x_237);
-lean_dec(x_236);
-x_140 = x_237;
-goto block_165;
-}
-}
-block_165:
-{
-lean_object* x_141; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
-x_141 = lean_st_ref_take(x_7, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_141, 1);
-lean_inc(x_143);
-lean_dec(x_141);
-x_144 = !lean_is_exclusive(x_142);
-if (x_144 == 0)
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
-x_145 = lean_ctor_get(x_142, 2);
-lean_dec(x_145);
-x_146 = lean_ctor_get(x_142, 1);
-lean_dec(x_146);
-x_147 = lean_ctor_get(x_138, 1);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_138, 2);
-lean_inc(x_148);
-lean_dec(x_138);
-lean_ctor_set(x_142, 2, x_148);
-lean_ctor_set(x_142, 1, x_147);
-x_149 = lean_st_ref_set(x_7, x_142, x_143);
-x_150 = lean_ctor_get(x_149, 1);
-lean_inc(x_150);
-lean_dec(x_149);
-x_151 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_152 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_151, x_4, x_5, x_6, x_7, x_150);
+lean_ctor_set(x_139, 0, x_133);
+lean_ctor_set(x_139, 1, x_93);
+lean_ctor_set(x_139, 2, x_94);
+lean_ctor_set(x_139, 3, x_134);
+lean_ctor_set(x_139, 4, x_135);
+lean_ctor_set(x_139, 5, x_136);
+lean_ctor_set(x_139, 6, x_137);
+x_140 = lean_st_ref_set(x_7, x_139, x_132);
+x_141 = lean_ctor_get(x_140, 1);
+lean_inc(x_141);
+lean_dec(x_140);
+x_142 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_143 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_142, x_4, x_5, x_6, x_7, x_141);
 lean_dec(x_6);
 lean_dec(x_4);
-return x_152;
-}
-else
-{
-lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
-x_153 = lean_ctor_get(x_142, 0);
-x_154 = lean_ctor_get(x_142, 3);
-x_155 = lean_ctor_get(x_142, 4);
-x_156 = lean_ctor_get(x_142, 5);
-x_157 = lean_ctor_get(x_142, 6);
-lean_inc(x_157);
-lean_inc(x_156);
-lean_inc(x_155);
-lean_inc(x_154);
-lean_inc(x_153);
-lean_dec(x_142);
-x_158 = lean_ctor_get(x_138, 1);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_138, 2);
-lean_inc(x_159);
-lean_dec(x_138);
-x_160 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_160, 0, x_153);
-lean_ctor_set(x_160, 1, x_158);
-lean_ctor_set(x_160, 2, x_159);
-lean_ctor_set(x_160, 3, x_154);
-lean_ctor_set(x_160, 4, x_155);
-lean_ctor_set(x_160, 5, x_156);
-lean_ctor_set(x_160, 6, x_157);
-x_161 = lean_st_ref_set(x_7, x_160, x_143);
-x_162 = lean_ctor_get(x_161, 1);
-lean_inc(x_162);
-lean_dec(x_161);
-x_163 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_164 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_163, x_4, x_5, x_6, x_7, x_162);
-lean_dec(x_6);
-lean_dec(x_4);
-return x_164;
-}
+return x_143;
 }
 }
 }
@@ -11658,7 +10840,7 @@ lean_ctor_set_uint8(x_32, sizeof(void*)*2 + 1, x_31);
 x_33 = l_Lean_MetavarContext_MkBinding_collectForwardDeps(x_8, x_1, x_32, x_29);
 if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 lean_dec(x_5);
 lean_dec(x_3);
 x_34 = lean_ctor_get(x_33, 1);
@@ -11668,722 +10850,367 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = lean_ctor_get(x_34, 0);
 lean_inc(x_36);
-x_64 = lean_st_ref_get(x_6, x_25);
-x_65 = lean_ctor_get(x_64, 1);
-lean_inc(x_65);
-lean_dec(x_64);
-x_66 = lean_st_ref_take(x_4, x_65);
-x_67 = lean_ctor_get(x_66, 0);
-lean_inc(x_67);
-x_68 = lean_ctor_get_uint8(x_36, sizeof(void*)*8);
-if (x_68 == 0)
+x_37 = lean_ctor_get(x_34, 1);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_34, 2);
+lean_inc(x_38);
+lean_dec(x_34);
+x_39 = lean_st_ref_get(x_6, x_25);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+lean_dec(x_39);
+x_41 = lean_st_ref_take(x_4, x_40);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = !lean_is_exclusive(x_42);
+if (x_44 == 0)
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_69 = lean_ctor_get(x_67, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_66, 1);
-lean_inc(x_70);
-lean_dec(x_66);
-x_71 = lean_ctor_get(x_36, 0);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+x_45 = lean_ctor_get(x_42, 0);
+lean_dec(x_45);
+lean_ctor_set(x_42, 0, x_36);
+x_46 = lean_st_ref_set(x_4, x_42, x_43);
+lean_dec(x_4);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_st_ref_take(x_6, x_47);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = !lean_is_exclusive(x_49);
+if (x_51 == 0)
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_52 = lean_ctor_get(x_49, 2);
+lean_dec(x_52);
+x_53 = lean_ctor_get(x_49, 1);
+lean_dec(x_53);
+lean_ctor_set(x_49, 2, x_38);
+lean_ctor_set(x_49, 1, x_37);
+x_54 = lean_st_ref_set(x_6, x_49, x_50);
+lean_dec(x_6);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+lean_ctor_set(x_54, 0, x_35);
+return x_54;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_54, 1);
+lean_inc(x_57);
+lean_dec(x_54);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_35);
+lean_ctor_set(x_58, 1, x_57);
+return x_58;
+}
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_59 = lean_ctor_get(x_49, 0);
+x_60 = lean_ctor_get(x_49, 3);
+x_61 = lean_ctor_get(x_49, 4);
+x_62 = lean_ctor_get(x_49, 5);
+x_63 = lean_ctor_get(x_49, 6);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_49);
+x_64 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_64, 0, x_59);
+lean_ctor_set(x_64, 1, x_37);
+lean_ctor_set(x_64, 2, x_38);
+lean_ctor_set(x_64, 3, x_60);
+lean_ctor_set(x_64, 4, x_61);
+lean_ctor_set(x_64, 5, x_62);
+lean_ctor_set(x_64, 6, x_63);
+x_65 = lean_st_ref_set(x_6, x_64, x_50);
+lean_dec(x_6);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_67 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_67 = lean_box(0);
+}
+if (lean_is_scalar(x_67)) {
+ x_68 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_68 = x_67;
+}
+lean_ctor_set(x_68, 0, x_35);
+lean_ctor_set(x_68, 1, x_66);
+return x_68;
+}
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_69 = lean_ctor_get(x_42, 1);
+x_70 = lean_ctor_get(x_42, 2);
+x_71 = lean_ctor_get(x_42, 3);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_36, 1);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_36, 2);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_36, 3);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_dec(x_42);
+x_72 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_72, 0, x_36);
+lean_ctor_set(x_72, 1, x_69);
+lean_ctor_set(x_72, 2, x_70);
+lean_ctor_set(x_72, 3, x_71);
+x_73 = lean_st_ref_set(x_4, x_72, x_43);
+lean_dec(x_4);
+x_74 = lean_ctor_get(x_73, 1);
 lean_inc(x_74);
-x_75 = lean_ctor_get(x_36, 4);
-lean_inc(x_75);
-x_76 = lean_ctor_get(x_36, 5);
+lean_dec(x_73);
+x_75 = lean_st_ref_take(x_6, x_74);
+x_76 = lean_ctor_get(x_75, 0);
 lean_inc(x_76);
-x_77 = lean_ctor_get(x_36, 6);
+x_77 = lean_ctor_get(x_75, 1);
 lean_inc(x_77);
-x_78 = lean_ctor_get(x_36, 7);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 0);
 lean_inc(x_78);
-lean_dec(x_36);
-x_79 = !lean_is_exclusive(x_67);
-if (x_79 == 0)
+x_79 = lean_ctor_get(x_76, 3);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_76, 4);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_76, 5);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_76, 6);
+lean_inc(x_82);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ lean_ctor_release(x_76, 2);
+ lean_ctor_release(x_76, 3);
+ lean_ctor_release(x_76, 4);
+ lean_ctor_release(x_76, 5);
+ lean_ctor_release(x_76, 6);
+ x_83 = x_76;
+} else {
+ lean_dec_ref(x_76);
+ x_83 = lean_box(0);
+}
+if (lean_is_scalar(x_83)) {
+ x_84 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_84 = x_83;
+}
+lean_ctor_set(x_84, 0, x_78);
+lean_ctor_set(x_84, 1, x_37);
+lean_ctor_set(x_84, 2, x_38);
+lean_ctor_set(x_84, 3, x_79);
+lean_ctor_set(x_84, 4, x_80);
+lean_ctor_set(x_84, 5, x_81);
+lean_ctor_set(x_84, 6, x_82);
+x_85 = lean_st_ref_set(x_6, x_84, x_77);
+lean_dec(x_6);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_88 = x_87;
+}
+lean_ctor_set(x_88, 0, x_35);
+lean_ctor_set(x_88, 1, x_86);
+return x_88;
+}
+}
+else
 {
-lean_object* x_80; uint8_t x_81; 
-x_80 = lean_ctor_get(x_67, 0);
-lean_dec(x_80);
-x_81 = !lean_is_exclusive(x_69);
-if (x_81 == 0)
-{
-lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_82 = lean_ctor_get(x_69, 7);
-lean_dec(x_82);
-x_83 = lean_ctor_get(x_69, 6);
-lean_dec(x_83);
-x_84 = lean_ctor_get(x_69, 5);
-lean_dec(x_84);
-x_85 = lean_ctor_get(x_69, 4);
-lean_dec(x_85);
-x_86 = lean_ctor_get(x_69, 3);
-lean_dec(x_86);
-x_87 = lean_ctor_get(x_69, 2);
-lean_dec(x_87);
-x_88 = lean_ctor_get(x_69, 1);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_69, 0);
-lean_dec(x_89);
-lean_ctor_set(x_69, 7, x_78);
-lean_ctor_set(x_69, 6, x_77);
-lean_ctor_set(x_69, 5, x_76);
-lean_ctor_set(x_69, 4, x_75);
-lean_ctor_set(x_69, 3, x_74);
-lean_ctor_set(x_69, 2, x_73);
-lean_ctor_set(x_69, 1, x_72);
-lean_ctor_set(x_69, 0, x_71);
-x_90 = lean_st_ref_set(x_4, x_67, x_70);
-lean_dec(x_4);
-x_91 = lean_ctor_get(x_90, 1);
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_89 = lean_ctor_get(x_33, 1);
+lean_inc(x_89);
+lean_dec(x_33);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
 lean_inc(x_91);
-lean_dec(x_90);
-x_37 = x_91;
-goto block_63;
-}
-else
-{
-uint8_t x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get_uint8(x_69, sizeof(void*)*8);
-lean_dec(x_69);
-x_93 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_93, 0, x_71);
-lean_ctor_set(x_93, 1, x_72);
-lean_ctor_set(x_93, 2, x_73);
-lean_ctor_set(x_93, 3, x_74);
-lean_ctor_set(x_93, 4, x_75);
-lean_ctor_set(x_93, 5, x_76);
-lean_ctor_set(x_93, 6, x_77);
-lean_ctor_set(x_93, 7, x_78);
-lean_ctor_set_uint8(x_93, sizeof(void*)*8, x_92);
-lean_ctor_set(x_67, 0, x_93);
-x_94 = lean_st_ref_set(x_4, x_67, x_70);
-lean_dec(x_4);
-x_95 = lean_ctor_get(x_94, 1);
-lean_inc(x_95);
-lean_dec(x_94);
-x_37 = x_95;
-goto block_63;
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_96 = lean_ctor_get(x_67, 1);
-x_97 = lean_ctor_get(x_67, 2);
-x_98 = lean_ctor_get(x_67, 3);
-lean_inc(x_98);
-lean_inc(x_97);
+x_92 = lean_ctor_get(x_89, 2);
+lean_inc(x_92);
+lean_dec(x_89);
+x_93 = lean_st_ref_get(x_6, x_25);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+lean_dec(x_93);
+x_95 = lean_st_ref_take(x_4, x_94);
+x_96 = lean_ctor_get(x_95, 0);
 lean_inc(x_96);
-lean_dec(x_67);
-x_99 = lean_ctor_get_uint8(x_69, sizeof(void*)*8);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- lean_ctor_release(x_69, 2);
- lean_ctor_release(x_69, 3);
- lean_ctor_release(x_69, 4);
- lean_ctor_release(x_69, 5);
- lean_ctor_release(x_69, 6);
- lean_ctor_release(x_69, 7);
- x_100 = x_69;
-} else {
- lean_dec_ref(x_69);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_71);
-lean_ctor_set(x_101, 1, x_72);
-lean_ctor_set(x_101, 2, x_73);
-lean_ctor_set(x_101, 3, x_74);
-lean_ctor_set(x_101, 4, x_75);
-lean_ctor_set(x_101, 5, x_76);
-lean_ctor_set(x_101, 6, x_77);
-lean_ctor_set(x_101, 7, x_78);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_4, x_102, x_70);
-lean_dec(x_4);
-x_104 = lean_ctor_get(x_103, 1);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = !lean_is_exclusive(x_96);
+if (x_98 == 0)
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
+x_99 = lean_ctor_get(x_96, 0);
+lean_dec(x_99);
+lean_ctor_set(x_96, 0, x_90);
+x_100 = lean_st_ref_set(x_4, x_96, x_97);
+x_101 = lean_ctor_get(x_100, 1);
+lean_inc(x_101);
+lean_dec(x_100);
+x_102 = lean_st_ref_take(x_6, x_101);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_102, 1);
 lean_inc(x_104);
-lean_dec(x_103);
-x_37 = x_104;
-goto block_63;
-}
-}
-else
+lean_dec(x_102);
+x_105 = !lean_is_exclusive(x_103);
+if (x_105 == 0)
 {
-lean_object* x_105; uint8_t x_106; 
-x_105 = lean_ctor_get(x_66, 1);
-lean_inc(x_105);
-lean_dec(x_66);
-x_106 = !lean_is_exclusive(x_36);
-if (x_106 == 0)
-{
-uint8_t x_107; 
-x_107 = !lean_is_exclusive(x_67);
-if (x_107 == 0)
-{
-lean_object* x_108; uint8_t x_109; lean_object* x_110; lean_object* x_111; 
-x_108 = lean_ctor_get(x_67, 0);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_106 = lean_ctor_get(x_103, 2);
+lean_dec(x_106);
+x_107 = lean_ctor_get(x_103, 1);
+lean_dec(x_107);
+lean_ctor_set(x_103, 2, x_92);
+lean_ctor_set(x_103, 1, x_91);
+x_108 = lean_st_ref_set(x_6, x_103, x_104);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
 lean_dec(x_108);
-x_109 = 1;
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_109);
-lean_ctor_set(x_67, 0, x_36);
-x_110 = lean_st_ref_set(x_4, x_67, x_105);
+x_110 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_111 = l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(x_110, x_3, x_4, x_5, x_6, x_109);
+lean_dec(x_6);
+lean_dec(x_5);
 lean_dec(x_4);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-lean_dec(x_110);
-x_37 = x_111;
-goto block_63;
+lean_dec(x_3);
+return x_111;
 }
 else
 {
-lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_112 = lean_ctor_get(x_67, 1);
-x_113 = lean_ctor_get(x_67, 2);
-x_114 = lean_ctor_get(x_67, 3);
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_112 = lean_ctor_get(x_103, 0);
+x_113 = lean_ctor_get(x_103, 3);
+x_114 = lean_ctor_get(x_103, 4);
+x_115 = lean_ctor_get(x_103, 5);
+x_116 = lean_ctor_get(x_103, 6);
+lean_inc(x_116);
+lean_inc(x_115);
 lean_inc(x_114);
 lean_inc(x_113);
 lean_inc(x_112);
-lean_dec(x_67);
-x_115 = 1;
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_115);
-x_116 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_116, 0, x_36);
-lean_ctor_set(x_116, 1, x_112);
-lean_ctor_set(x_116, 2, x_113);
-lean_ctor_set(x_116, 3, x_114);
-x_117 = lean_st_ref_set(x_4, x_116, x_105);
+lean_dec(x_103);
+x_117 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_117, 0, x_112);
+lean_ctor_set(x_117, 1, x_91);
+lean_ctor_set(x_117, 2, x_92);
+lean_ctor_set(x_117, 3, x_113);
+lean_ctor_set(x_117, 4, x_114);
+lean_ctor_set(x_117, 5, x_115);
+lean_ctor_set(x_117, 6, x_116);
+x_118 = lean_st_ref_set(x_6, x_117, x_104);
+x_119 = lean_ctor_get(x_118, 1);
+lean_inc(x_119);
+lean_dec(x_118);
+x_120 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_121 = l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(x_120, x_3, x_4, x_5, x_6, x_119);
+lean_dec(x_6);
+lean_dec(x_5);
 lean_dec(x_4);
-x_118 = lean_ctor_get(x_117, 1);
-lean_inc(x_118);
-lean_dec(x_117);
-x_37 = x_118;
-goto block_63;
+lean_dec(x_3);
+return x_121;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_119 = lean_ctor_get(x_36, 0);
-x_120 = lean_ctor_get(x_36, 1);
-x_121 = lean_ctor_get(x_36, 2);
-x_122 = lean_ctor_get(x_36, 3);
-x_123 = lean_ctor_get(x_36, 4);
-x_124 = lean_ctor_get(x_36, 5);
-x_125 = lean_ctor_get(x_36, 6);
-x_126 = lean_ctor_get(x_36, 7);
-lean_inc(x_126);
-lean_inc(x_125);
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+x_122 = lean_ctor_get(x_96, 1);
+x_123 = lean_ctor_get(x_96, 2);
+x_124 = lean_ctor_get(x_96, 3);
 lean_inc(x_124);
 lean_inc(x_123);
 lean_inc(x_122);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_36);
-x_127 = lean_ctor_get(x_67, 1);
+lean_dec(x_96);
+x_125 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_125, 0, x_90);
+lean_ctor_set(x_125, 1, x_122);
+lean_ctor_set(x_125, 2, x_123);
+lean_ctor_set(x_125, 3, x_124);
+x_126 = lean_st_ref_set(x_4, x_125, x_97);
+x_127 = lean_ctor_get(x_126, 1);
 lean_inc(x_127);
-x_128 = lean_ctor_get(x_67, 2);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_67, 3);
+lean_dec(x_126);
+x_128 = lean_st_ref_take(x_6, x_127);
+x_129 = lean_ctor_get(x_128, 0);
 lean_inc(x_129);
-if (lean_is_exclusive(x_67)) {
- lean_ctor_release(x_67, 0);
- lean_ctor_release(x_67, 1);
- lean_ctor_release(x_67, 2);
- lean_ctor_release(x_67, 3);
- x_130 = x_67;
-} else {
- lean_dec_ref(x_67);
- x_130 = lean_box(0);
-}
-x_131 = 1;
-x_132 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_132, 0, x_119);
-lean_ctor_set(x_132, 1, x_120);
-lean_ctor_set(x_132, 2, x_121);
-lean_ctor_set(x_132, 3, x_122);
-lean_ctor_set(x_132, 4, x_123);
-lean_ctor_set(x_132, 5, x_124);
-lean_ctor_set(x_132, 6, x_125);
-lean_ctor_set(x_132, 7, x_126);
-lean_ctor_set_uint8(x_132, sizeof(void*)*8, x_131);
-if (lean_is_scalar(x_130)) {
- x_133 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_133 = x_130;
-}
-lean_ctor_set(x_133, 0, x_132);
-lean_ctor_set(x_133, 1, x_127);
-lean_ctor_set(x_133, 2, x_128);
-lean_ctor_set(x_133, 3, x_129);
-x_134 = lean_st_ref_set(x_4, x_133, x_105);
-lean_dec(x_4);
-x_135 = lean_ctor_get(x_134, 1);
+x_130 = lean_ctor_get(x_128, 1);
+lean_inc(x_130);
+lean_dec(x_128);
+x_131 = lean_ctor_get(x_129, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_129, 3);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_129, 4);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_129, 5);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_129, 6);
 lean_inc(x_135);
-lean_dec(x_134);
-x_37 = x_135;
-goto block_63;
-}
-}
-block_63:
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_38 = lean_st_ref_take(x_6, x_37);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = !lean_is_exclusive(x_39);
-if (x_41 == 0)
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_42 = lean_ctor_get(x_39, 2);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_39, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_34, 1);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_34, 2);
-lean_inc(x_45);
-lean_dec(x_34);
-lean_ctor_set(x_39, 2, x_45);
-lean_ctor_set(x_39, 1, x_44);
-x_46 = lean_st_ref_set(x_6, x_39, x_40);
-lean_dec(x_6);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-lean_ctor_set(x_46, 0, x_35);
-return x_46;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_46, 1);
-lean_inc(x_49);
-lean_dec(x_46);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_35);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_51 = lean_ctor_get(x_39, 0);
-x_52 = lean_ctor_get(x_39, 3);
-x_53 = lean_ctor_get(x_39, 4);
-x_54 = lean_ctor_get(x_39, 5);
-x_55 = lean_ctor_get(x_39, 6);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_39);
-x_56 = lean_ctor_get(x_34, 1);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_34, 2);
-lean_inc(x_57);
-lean_dec(x_34);
-x_58 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_58, 0, x_51);
-lean_ctor_set(x_58, 1, x_56);
-lean_ctor_set(x_58, 2, x_57);
-lean_ctor_set(x_58, 3, x_52);
-lean_ctor_set(x_58, 4, x_53);
-lean_ctor_set(x_58, 5, x_54);
-lean_ctor_set(x_58, 6, x_55);
-x_59 = lean_st_ref_set(x_6, x_58, x_40);
-lean_dec(x_6);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
+if (lean_is_exclusive(x_129)) {
+ lean_ctor_release(x_129, 0);
+ lean_ctor_release(x_129, 1);
+ lean_ctor_release(x_129, 2);
+ lean_ctor_release(x_129, 3);
+ lean_ctor_release(x_129, 4);
+ lean_ctor_release(x_129, 5);
+ lean_ctor_release(x_129, 6);
+ x_136 = x_129;
 } else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
+ lean_dec_ref(x_129);
+ x_136 = lean_box(0);
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_62 = x_61;
+ x_137 = x_136;
 }
-lean_ctor_set(x_62, 0, x_35);
-lean_ctor_set(x_62, 1, x_60);
-return x_62;
-}
-}
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
-x_136 = lean_ctor_get(x_33, 1);
-lean_inc(x_136);
-lean_dec(x_33);
-x_137 = lean_ctor_get(x_136, 0);
-lean_inc(x_137);
-x_164 = lean_st_ref_get(x_6, x_25);
-x_165 = lean_ctor_get(x_164, 1);
-lean_inc(x_165);
-lean_dec(x_164);
-x_166 = lean_st_ref_take(x_4, x_165);
-x_167 = lean_ctor_get(x_166, 0);
-lean_inc(x_167);
-x_168 = lean_ctor_get_uint8(x_137, sizeof(void*)*8);
-if (x_168 == 0)
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; uint8_t x_179; 
-x_169 = lean_ctor_get(x_167, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_166, 1);
-lean_inc(x_170);
-lean_dec(x_166);
-x_171 = lean_ctor_get(x_137, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_137, 1);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_137, 2);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_137, 3);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_137, 4);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_137, 5);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_137, 6);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_137, 7);
-lean_inc(x_178);
-lean_dec(x_137);
-x_179 = !lean_is_exclusive(x_167);
-if (x_179 == 0)
-{
-lean_object* x_180; uint8_t x_181; 
-x_180 = lean_ctor_get(x_167, 0);
-lean_dec(x_180);
-x_181 = !lean_is_exclusive(x_169);
-if (x_181 == 0)
-{
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-x_182 = lean_ctor_get(x_169, 7);
-lean_dec(x_182);
-x_183 = lean_ctor_get(x_169, 6);
-lean_dec(x_183);
-x_184 = lean_ctor_get(x_169, 5);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_169, 4);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_169, 3);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_169, 2);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_169, 1);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_169, 0);
-lean_dec(x_189);
-lean_ctor_set(x_169, 7, x_178);
-lean_ctor_set(x_169, 6, x_177);
-lean_ctor_set(x_169, 5, x_176);
-lean_ctor_set(x_169, 4, x_175);
-lean_ctor_set(x_169, 3, x_174);
-lean_ctor_set(x_169, 2, x_173);
-lean_ctor_set(x_169, 1, x_172);
-lean_ctor_set(x_169, 0, x_171);
-x_190 = lean_st_ref_set(x_4, x_167, x_170);
-x_191 = lean_ctor_get(x_190, 1);
-lean_inc(x_191);
-lean_dec(x_190);
-x_138 = x_191;
-goto block_163;
-}
-else
-{
-uint8_t x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; 
-x_192 = lean_ctor_get_uint8(x_169, sizeof(void*)*8);
-lean_dec(x_169);
-x_193 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_193, 0, x_171);
-lean_ctor_set(x_193, 1, x_172);
-lean_ctor_set(x_193, 2, x_173);
-lean_ctor_set(x_193, 3, x_174);
-lean_ctor_set(x_193, 4, x_175);
-lean_ctor_set(x_193, 5, x_176);
-lean_ctor_set(x_193, 6, x_177);
-lean_ctor_set(x_193, 7, x_178);
-lean_ctor_set_uint8(x_193, sizeof(void*)*8, x_192);
-lean_ctor_set(x_167, 0, x_193);
-x_194 = lean_st_ref_set(x_4, x_167, x_170);
-x_195 = lean_ctor_get(x_194, 1);
-lean_inc(x_195);
-lean_dec(x_194);
-x_138 = x_195;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; 
-x_196 = lean_ctor_get(x_167, 1);
-x_197 = lean_ctor_get(x_167, 2);
-x_198 = lean_ctor_get(x_167, 3);
-lean_inc(x_198);
-lean_inc(x_197);
-lean_inc(x_196);
-lean_dec(x_167);
-x_199 = lean_ctor_get_uint8(x_169, sizeof(void*)*8);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- lean_ctor_release(x_169, 2);
- lean_ctor_release(x_169, 3);
- lean_ctor_release(x_169, 4);
- lean_ctor_release(x_169, 5);
- lean_ctor_release(x_169, 6);
- lean_ctor_release(x_169, 7);
- x_200 = x_169;
-} else {
- lean_dec_ref(x_169);
- x_200 = lean_box(0);
-}
-if (lean_is_scalar(x_200)) {
- x_201 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_201 = x_200;
-}
-lean_ctor_set(x_201, 0, x_171);
-lean_ctor_set(x_201, 1, x_172);
-lean_ctor_set(x_201, 2, x_173);
-lean_ctor_set(x_201, 3, x_174);
-lean_ctor_set(x_201, 4, x_175);
-lean_ctor_set(x_201, 5, x_176);
-lean_ctor_set(x_201, 6, x_177);
-lean_ctor_set(x_201, 7, x_178);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_199);
-x_202 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_202, 0, x_201);
-lean_ctor_set(x_202, 1, x_196);
-lean_ctor_set(x_202, 2, x_197);
-lean_ctor_set(x_202, 3, x_198);
-x_203 = lean_st_ref_set(x_4, x_202, x_170);
-x_204 = lean_ctor_get(x_203, 1);
-lean_inc(x_204);
-lean_dec(x_203);
-x_138 = x_204;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_205; uint8_t x_206; 
-x_205 = lean_ctor_get(x_166, 1);
-lean_inc(x_205);
-lean_dec(x_166);
-x_206 = !lean_is_exclusive(x_137);
-if (x_206 == 0)
-{
-uint8_t x_207; 
-x_207 = !lean_is_exclusive(x_167);
-if (x_207 == 0)
-{
-lean_object* x_208; uint8_t x_209; lean_object* x_210; lean_object* x_211; 
-x_208 = lean_ctor_get(x_167, 0);
-lean_dec(x_208);
-x_209 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_209);
-lean_ctor_set(x_167, 0, x_137);
-x_210 = lean_st_ref_set(x_4, x_167, x_205);
-x_211 = lean_ctor_get(x_210, 1);
-lean_inc(x_211);
-lean_dec(x_210);
-x_138 = x_211;
-goto block_163;
-}
-else
-{
-lean_object* x_212; lean_object* x_213; lean_object* x_214; uint8_t x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; 
-x_212 = lean_ctor_get(x_167, 1);
-x_213 = lean_ctor_get(x_167, 2);
-x_214 = lean_ctor_get(x_167, 3);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_dec(x_167);
-x_215 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_215);
-x_216 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_216, 0, x_137);
-lean_ctor_set(x_216, 1, x_212);
-lean_ctor_set(x_216, 2, x_213);
-lean_ctor_set(x_216, 3, x_214);
-x_217 = lean_st_ref_set(x_4, x_216, x_205);
-x_218 = lean_ctor_get(x_217, 1);
-lean_inc(x_218);
-lean_dec(x_217);
-x_138 = x_218;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; uint8_t x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; 
-x_219 = lean_ctor_get(x_137, 0);
-x_220 = lean_ctor_get(x_137, 1);
-x_221 = lean_ctor_get(x_137, 2);
-x_222 = lean_ctor_get(x_137, 3);
-x_223 = lean_ctor_get(x_137, 4);
-x_224 = lean_ctor_get(x_137, 5);
-x_225 = lean_ctor_get(x_137, 6);
-x_226 = lean_ctor_get(x_137, 7);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_dec(x_137);
-x_227 = lean_ctor_get(x_167, 1);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_167, 2);
-lean_inc(x_228);
-x_229 = lean_ctor_get(x_167, 3);
-lean_inc(x_229);
-if (lean_is_exclusive(x_167)) {
- lean_ctor_release(x_167, 0);
- lean_ctor_release(x_167, 1);
- lean_ctor_release(x_167, 2);
- lean_ctor_release(x_167, 3);
- x_230 = x_167;
-} else {
- lean_dec_ref(x_167);
- x_230 = lean_box(0);
-}
-x_231 = 1;
-x_232 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_232, 0, x_219);
-lean_ctor_set(x_232, 1, x_220);
-lean_ctor_set(x_232, 2, x_221);
-lean_ctor_set(x_232, 3, x_222);
-lean_ctor_set(x_232, 4, x_223);
-lean_ctor_set(x_232, 5, x_224);
-lean_ctor_set(x_232, 6, x_225);
-lean_ctor_set(x_232, 7, x_226);
-lean_ctor_set_uint8(x_232, sizeof(void*)*8, x_231);
-if (lean_is_scalar(x_230)) {
- x_233 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_233 = x_230;
-}
-lean_ctor_set(x_233, 0, x_232);
-lean_ctor_set(x_233, 1, x_227);
-lean_ctor_set(x_233, 2, x_228);
-lean_ctor_set(x_233, 3, x_229);
-x_234 = lean_st_ref_set(x_4, x_233, x_205);
-x_235 = lean_ctor_get(x_234, 1);
-lean_inc(x_235);
-lean_dec(x_234);
-x_138 = x_235;
-goto block_163;
-}
-}
-block_163:
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
-x_139 = lean_st_ref_take(x_6, x_138);
-x_140 = lean_ctor_get(x_139, 0);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_139, 1);
-lean_inc(x_141);
-lean_dec(x_139);
-x_142 = !lean_is_exclusive(x_140);
-if (x_142 == 0)
-{
-lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_143 = lean_ctor_get(x_140, 2);
-lean_dec(x_143);
-x_144 = lean_ctor_get(x_140, 1);
-lean_dec(x_144);
-x_145 = lean_ctor_get(x_136, 1);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_136, 2);
-lean_inc(x_146);
-lean_dec(x_136);
-lean_ctor_set(x_140, 2, x_146);
-lean_ctor_set(x_140, 1, x_145);
-x_147 = lean_st_ref_set(x_6, x_140, x_141);
-x_148 = lean_ctor_get(x_147, 1);
-lean_inc(x_148);
-lean_dec(x_147);
-x_149 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_150 = l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(x_149, x_3, x_4, x_5, x_6, x_148);
+lean_ctor_set(x_137, 0, x_131);
+lean_ctor_set(x_137, 1, x_91);
+lean_ctor_set(x_137, 2, x_92);
+lean_ctor_set(x_137, 3, x_132);
+lean_ctor_set(x_137, 4, x_133);
+lean_ctor_set(x_137, 5, x_134);
+lean_ctor_set(x_137, 6, x_135);
+x_138 = lean_st_ref_set(x_6, x_137, x_130);
+x_139 = lean_ctor_get(x_138, 1);
+lean_inc(x_139);
+lean_dec(x_138);
+x_140 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_141 = l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(x_140, x_3, x_4, x_5, x_6, x_139);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_150;
-}
-else
-{
-lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_151 = lean_ctor_get(x_140, 0);
-x_152 = lean_ctor_get(x_140, 3);
-x_153 = lean_ctor_get(x_140, 4);
-x_154 = lean_ctor_get(x_140, 5);
-x_155 = lean_ctor_get(x_140, 6);
-lean_inc(x_155);
-lean_inc(x_154);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_140);
-x_156 = lean_ctor_get(x_136, 1);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_136, 2);
-lean_inc(x_157);
-lean_dec(x_136);
-x_158 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_158, 0, x_151);
-lean_ctor_set(x_158, 1, x_156);
-lean_ctor_set(x_158, 2, x_157);
-lean_ctor_set(x_158, 3, x_152);
-lean_ctor_set(x_158, 4, x_153);
-lean_ctor_set(x_158, 5, x_154);
-lean_ctor_set(x_158, 6, x_155);
-x_159 = lean_st_ref_set(x_6, x_158, x_141);
-x_160 = lean_ctor_get(x_159, 1);
-lean_inc(x_160);
-lean_dec(x_159);
-x_161 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_162 = l_Lean_throwError___at_Lean_Meta_collectForwardDeps___spec__1(x_161, x_3, x_4, x_5, x_6, x_160);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_162;
-}
+return x_141;
 }
 }
 }
@@ -12474,7 +11301,7 @@ x_35 = 0;
 x_36 = l_Lean_MetavarContext_mkBinding(x_35, x_1, x_2, x_3, x_4, x_5, x_31, x_34);
 if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -12485,717 +11312,361 @@ lean_inc(x_39);
 lean_dec(x_37);
 x_40 = lean_ctor_get(x_38, 0);
 lean_inc(x_40);
-x_68 = lean_st_ref_get(x_9, x_29);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-lean_dec(x_68);
-x_70 = lean_st_ref_take(x_7, x_69);
-x_71 = lean_ctor_get(x_70, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get_uint8(x_40, sizeof(void*)*8);
-if (x_72 == 0)
+x_41 = lean_ctor_get(x_38, 1);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_38, 2);
+lean_inc(x_42);
+lean_dec(x_38);
+x_43 = lean_st_ref_get(x_9, x_29);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_st_ref_take(x_7, x_44);
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+x_48 = !lean_is_exclusive(x_46);
+if (x_48 == 0)
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
-x_73 = lean_ctor_get(x_71, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_70, 1);
-lean_inc(x_74);
-lean_dec(x_70);
-x_75 = lean_ctor_get(x_40, 0);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_49 = lean_ctor_get(x_46, 0);
+lean_dec(x_49);
+lean_ctor_set(x_46, 0, x_40);
+x_50 = lean_st_ref_set(x_7, x_46, x_47);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_take(x_9, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_56 = lean_ctor_get(x_53, 2);
+lean_dec(x_56);
+x_57 = lean_ctor_get(x_53, 1);
+lean_dec(x_57);
+lean_ctor_set(x_53, 2, x_42);
+lean_ctor_set(x_53, 1, x_41);
+x_58 = lean_st_ref_set(x_9, x_53, x_54);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; 
+x_60 = lean_ctor_get(x_58, 0);
+lean_dec(x_60);
+lean_ctor_set(x_58, 0, x_39);
+return x_58;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_39);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
+}
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_63 = lean_ctor_get(x_53, 0);
+x_64 = lean_ctor_get(x_53, 3);
+x_65 = lean_ctor_get(x_53, 4);
+x_66 = lean_ctor_get(x_53, 5);
+x_67 = lean_ctor_get(x_53, 6);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_53);
+x_68 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_68, 0, x_63);
+lean_ctor_set(x_68, 1, x_41);
+lean_ctor_set(x_68, 2, x_42);
+lean_ctor_set(x_68, 3, x_64);
+lean_ctor_set(x_68, 4, x_65);
+lean_ctor_set(x_68, 5, x_66);
+lean_ctor_set(x_68, 6, x_67);
+x_69 = lean_st_ref_set(x_9, x_68, x_54);
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ x_71 = x_69;
+} else {
+ lean_dec_ref(x_69);
+ x_71 = lean_box(0);
+}
+if (lean_is_scalar(x_71)) {
+ x_72 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_72 = x_71;
+}
+lean_ctor_set(x_72, 0, x_39);
+lean_ctor_set(x_72, 1, x_70);
+return x_72;
+}
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_73 = lean_ctor_get(x_46, 1);
+x_74 = lean_ctor_get(x_46, 2);
+x_75 = lean_ctor_get(x_46, 3);
 lean_inc(x_75);
-x_76 = lean_ctor_get(x_40, 1);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_40, 2);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_40, 3);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_46);
+x_76 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_76, 0, x_40);
+lean_ctor_set(x_76, 1, x_73);
+lean_ctor_set(x_76, 2, x_74);
+lean_ctor_set(x_76, 3, x_75);
+x_77 = lean_st_ref_set(x_7, x_76, x_47);
+x_78 = lean_ctor_get(x_77, 1);
 lean_inc(x_78);
-x_79 = lean_ctor_get(x_40, 4);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_40, 5);
+lean_dec(x_77);
+x_79 = lean_st_ref_take(x_9, x_78);
+x_80 = lean_ctor_get(x_79, 0);
 lean_inc(x_80);
-x_81 = lean_ctor_get(x_40, 6);
+x_81 = lean_ctor_get(x_79, 1);
 lean_inc(x_81);
-x_82 = lean_ctor_get(x_40, 7);
+lean_dec(x_79);
+x_82 = lean_ctor_get(x_80, 0);
 lean_inc(x_82);
-lean_dec(x_40);
-x_83 = !lean_is_exclusive(x_71);
-if (x_83 == 0)
+x_83 = lean_ctor_get(x_80, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_80, 4);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_80, 5);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_80, 6);
+lean_inc(x_86);
+if (lean_is_exclusive(x_80)) {
+ lean_ctor_release(x_80, 0);
+ lean_ctor_release(x_80, 1);
+ lean_ctor_release(x_80, 2);
+ lean_ctor_release(x_80, 3);
+ lean_ctor_release(x_80, 4);
+ lean_ctor_release(x_80, 5);
+ lean_ctor_release(x_80, 6);
+ x_87 = x_80;
+} else {
+ lean_dec_ref(x_80);
+ x_87 = lean_box(0);
+}
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_88 = x_87;
+}
+lean_ctor_set(x_88, 0, x_82);
+lean_ctor_set(x_88, 1, x_41);
+lean_ctor_set(x_88, 2, x_42);
+lean_ctor_set(x_88, 3, x_83);
+lean_ctor_set(x_88, 4, x_84);
+lean_ctor_set(x_88, 5, x_85);
+lean_ctor_set(x_88, 6, x_86);
+x_89 = lean_st_ref_set(x_9, x_88, x_81);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_91 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_91 = lean_box(0);
+}
+if (lean_is_scalar(x_91)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_92 = x_91;
+}
+lean_ctor_set(x_92, 0, x_39);
+lean_ctor_set(x_92, 1, x_90);
+return x_92;
+}
+}
+else
 {
-lean_object* x_84; uint8_t x_85; 
-x_84 = lean_ctor_get(x_71, 0);
-lean_dec(x_84);
-x_85 = !lean_is_exclusive(x_73);
-if (x_85 == 0)
-{
-lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_86 = lean_ctor_get(x_73, 7);
-lean_dec(x_86);
-x_87 = lean_ctor_get(x_73, 6);
-lean_dec(x_87);
-x_88 = lean_ctor_get(x_73, 5);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_73, 4);
-lean_dec(x_89);
-x_90 = lean_ctor_get(x_73, 3);
-lean_dec(x_90);
-x_91 = lean_ctor_get(x_73, 2);
-lean_dec(x_91);
-x_92 = lean_ctor_get(x_73, 1);
-lean_dec(x_92);
-x_93 = lean_ctor_get(x_73, 0);
-lean_dec(x_93);
-lean_ctor_set(x_73, 7, x_82);
-lean_ctor_set(x_73, 6, x_81);
-lean_ctor_set(x_73, 5, x_80);
-lean_ctor_set(x_73, 4, x_79);
-lean_ctor_set(x_73, 3, x_78);
-lean_ctor_set(x_73, 2, x_77);
-lean_ctor_set(x_73, 1, x_76);
-lean_ctor_set(x_73, 0, x_75);
-x_94 = lean_st_ref_set(x_7, x_71, x_74);
-x_95 = lean_ctor_get(x_94, 1);
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_93 = lean_ctor_get(x_36, 1);
+lean_inc(x_93);
+lean_dec(x_36);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_93, 1);
 lean_inc(x_95);
-lean_dec(x_94);
-x_41 = x_95;
-goto block_67;
-}
-else
-{
-uint8_t x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_96 = lean_ctor_get_uint8(x_73, sizeof(void*)*8);
-lean_dec(x_73);
-x_97 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_97, 0, x_75);
-lean_ctor_set(x_97, 1, x_76);
-lean_ctor_set(x_97, 2, x_77);
-lean_ctor_set(x_97, 3, x_78);
-lean_ctor_set(x_97, 4, x_79);
-lean_ctor_set(x_97, 5, x_80);
-lean_ctor_set(x_97, 6, x_81);
-lean_ctor_set(x_97, 7, x_82);
-lean_ctor_set_uint8(x_97, sizeof(void*)*8, x_96);
-lean_ctor_set(x_71, 0, x_97);
-x_98 = lean_st_ref_set(x_7, x_71, x_74);
-x_99 = lean_ctor_get(x_98, 1);
-lean_inc(x_99);
-lean_dec(x_98);
-x_41 = x_99;
-goto block_67;
-}
-}
-else
-{
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_100 = lean_ctor_get(x_71, 1);
-x_101 = lean_ctor_get(x_71, 2);
-x_102 = lean_ctor_get(x_71, 3);
-lean_inc(x_102);
-lean_inc(x_101);
+x_96 = lean_ctor_get(x_93, 2);
+lean_inc(x_96);
+lean_dec(x_93);
+x_97 = lean_st_ref_get(x_9, x_29);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_take(x_7, x_98);
+x_100 = lean_ctor_get(x_99, 0);
 lean_inc(x_100);
-lean_dec(x_71);
-x_103 = lean_ctor_get_uint8(x_73, sizeof(void*)*8);
-if (lean_is_exclusive(x_73)) {
- lean_ctor_release(x_73, 0);
- lean_ctor_release(x_73, 1);
- lean_ctor_release(x_73, 2);
- lean_ctor_release(x_73, 3);
- lean_ctor_release(x_73, 4);
- lean_ctor_release(x_73, 5);
- lean_ctor_release(x_73, 6);
- lean_ctor_release(x_73, 7);
- x_104 = x_73;
-} else {
- lean_dec_ref(x_73);
- x_104 = lean_box(0);
-}
-if (lean_is_scalar(x_104)) {
- x_105 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_105 = x_104;
-}
-lean_ctor_set(x_105, 0, x_75);
-lean_ctor_set(x_105, 1, x_76);
-lean_ctor_set(x_105, 2, x_77);
-lean_ctor_set(x_105, 3, x_78);
-lean_ctor_set(x_105, 4, x_79);
-lean_ctor_set(x_105, 5, x_80);
-lean_ctor_set(x_105, 6, x_81);
-lean_ctor_set(x_105, 7, x_82);
-lean_ctor_set_uint8(x_105, sizeof(void*)*8, x_103);
-x_106 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_100);
-lean_ctor_set(x_106, 2, x_101);
-lean_ctor_set(x_106, 3, x_102);
-x_107 = lean_st_ref_set(x_7, x_106, x_74);
-x_108 = lean_ctor_get(x_107, 1);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = !lean_is_exclusive(x_100);
+if (x_102 == 0)
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
+x_103 = lean_ctor_get(x_100, 0);
+lean_dec(x_103);
+lean_ctor_set(x_100, 0, x_94);
+x_104 = lean_st_ref_set(x_7, x_100, x_101);
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+lean_dec(x_104);
+x_106 = lean_st_ref_take(x_9, x_105);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
 lean_inc(x_108);
-lean_dec(x_107);
-x_41 = x_108;
-goto block_67;
-}
-}
-else
+lean_dec(x_106);
+x_109 = !lean_is_exclusive(x_107);
+if (x_109 == 0)
 {
-lean_object* x_109; uint8_t x_110; 
-x_109 = lean_ctor_get(x_70, 1);
-lean_inc(x_109);
-lean_dec(x_70);
-x_110 = !lean_is_exclusive(x_40);
-if (x_110 == 0)
-{
-uint8_t x_111; 
-x_111 = !lean_is_exclusive(x_71);
-if (x_111 == 0)
-{
-lean_object* x_112; uint8_t x_113; lean_object* x_114; lean_object* x_115; 
-x_112 = lean_ctor_get(x_71, 0);
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_110 = lean_ctor_get(x_107, 2);
+lean_dec(x_110);
+x_111 = lean_ctor_get(x_107, 1);
+lean_dec(x_111);
+lean_ctor_set(x_107, 2, x_96);
+lean_ctor_set(x_107, 1, x_95);
+x_112 = lean_st_ref_set(x_9, x_107, x_108);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
 lean_dec(x_112);
-x_113 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_113);
-lean_ctor_set(x_71, 0, x_40);
-x_114 = lean_st_ref_set(x_7, x_71, x_109);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_41 = x_115;
-goto block_67;
+x_114 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_115 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_114, x_6, x_7, x_8, x_9, x_113);
+return x_115;
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; uint8_t x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
-x_116 = lean_ctor_get(x_71, 1);
-x_117 = lean_ctor_get(x_71, 2);
-x_118 = lean_ctor_get(x_71, 3);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+x_116 = lean_ctor_get(x_107, 0);
+x_117 = lean_ctor_get(x_107, 3);
+x_118 = lean_ctor_get(x_107, 4);
+x_119 = lean_ctor_get(x_107, 5);
+x_120 = lean_ctor_get(x_107, 6);
+lean_inc(x_120);
+lean_inc(x_119);
 lean_inc(x_118);
 lean_inc(x_117);
 lean_inc(x_116);
-lean_dec(x_71);
-x_119 = 1;
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_119);
-x_120 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_120, 0, x_40);
-lean_ctor_set(x_120, 1, x_116);
-lean_ctor_set(x_120, 2, x_117);
-lean_ctor_set(x_120, 3, x_118);
-x_121 = lean_st_ref_set(x_7, x_120, x_109);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
-lean_dec(x_121);
-x_41 = x_122;
-goto block_67;
+lean_dec(x_107);
+x_121 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_121, 0, x_116);
+lean_ctor_set(x_121, 1, x_95);
+lean_ctor_set(x_121, 2, x_96);
+lean_ctor_set(x_121, 3, x_117);
+lean_ctor_set(x_121, 4, x_118);
+lean_ctor_set(x_121, 5, x_119);
+lean_ctor_set(x_121, 6, x_120);
+x_122 = lean_st_ref_set(x_9, x_121, x_108);
+x_123 = lean_ctor_get(x_122, 1);
+lean_inc(x_123);
+lean_dec(x_122);
+x_124 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_125 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_124, x_6, x_7, x_8, x_9, x_123);
+return x_125;
 }
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_123 = lean_ctor_get(x_40, 0);
-x_124 = lean_ctor_get(x_40, 1);
-x_125 = lean_ctor_get(x_40, 2);
-x_126 = lean_ctor_get(x_40, 3);
-x_127 = lean_ctor_get(x_40, 4);
-x_128 = lean_ctor_get(x_40, 5);
-x_129 = lean_ctor_get(x_40, 6);
-x_130 = lean_ctor_get(x_40, 7);
-lean_inc(x_130);
-lean_inc(x_129);
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_126 = lean_ctor_get(x_100, 1);
+x_127 = lean_ctor_get(x_100, 2);
+x_128 = lean_ctor_get(x_100, 3);
 lean_inc(x_128);
 lean_inc(x_127);
 lean_inc(x_126);
-lean_inc(x_125);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_40);
-x_131 = lean_ctor_get(x_71, 1);
+lean_dec(x_100);
+x_129 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_129, 0, x_94);
+lean_ctor_set(x_129, 1, x_126);
+lean_ctor_set(x_129, 2, x_127);
+lean_ctor_set(x_129, 3, x_128);
+x_130 = lean_st_ref_set(x_7, x_129, x_101);
+x_131 = lean_ctor_get(x_130, 1);
 lean_inc(x_131);
-x_132 = lean_ctor_get(x_71, 2);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_71, 3);
+lean_dec(x_130);
+x_132 = lean_st_ref_take(x_9, x_131);
+x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
-if (lean_is_exclusive(x_71)) {
- lean_ctor_release(x_71, 0);
- lean_ctor_release(x_71, 1);
- lean_ctor_release(x_71, 2);
- lean_ctor_release(x_71, 3);
- x_134 = x_71;
-} else {
- lean_dec_ref(x_71);
- x_134 = lean_box(0);
-}
-x_135 = 1;
-x_136 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_136, 0, x_123);
-lean_ctor_set(x_136, 1, x_124);
-lean_ctor_set(x_136, 2, x_125);
-lean_ctor_set(x_136, 3, x_126);
-lean_ctor_set(x_136, 4, x_127);
-lean_ctor_set(x_136, 5, x_128);
-lean_ctor_set(x_136, 6, x_129);
-lean_ctor_set(x_136, 7, x_130);
-lean_ctor_set_uint8(x_136, sizeof(void*)*8, x_135);
-if (lean_is_scalar(x_134)) {
- x_137 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_137 = x_134;
-}
-lean_ctor_set(x_137, 0, x_136);
-lean_ctor_set(x_137, 1, x_131);
-lean_ctor_set(x_137, 2, x_132);
-lean_ctor_set(x_137, 3, x_133);
-x_138 = lean_st_ref_set(x_7, x_137, x_109);
-x_139 = lean_ctor_get(x_138, 1);
+x_134 = lean_ctor_get(x_132, 1);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_133, 3);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_133, 4);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_133, 5);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_133, 6);
 lean_inc(x_139);
-lean_dec(x_138);
-x_41 = x_139;
-goto block_67;
-}
-}
-block_67:
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-x_42 = lean_st_ref_take(x_9, x_41);
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
-lean_inc(x_44);
-lean_dec(x_42);
-x_45 = !lean_is_exclusive(x_43);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_46 = lean_ctor_get(x_43, 2);
-lean_dec(x_46);
-x_47 = lean_ctor_get(x_43, 1);
-lean_dec(x_47);
-x_48 = lean_ctor_get(x_38, 1);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_38, 2);
-lean_inc(x_49);
-lean_dec(x_38);
-lean_ctor_set(x_43, 2, x_49);
-lean_ctor_set(x_43, 1, x_48);
-x_50 = lean_st_ref_set(x_9, x_43, x_44);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_dec(x_52);
-lean_ctor_set(x_50, 0, x_39);
-return x_50;
-}
-else
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_50, 1);
-lean_inc(x_53);
-lean_dec(x_50);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_39);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
-}
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_55 = lean_ctor_get(x_43, 0);
-x_56 = lean_ctor_get(x_43, 3);
-x_57 = lean_ctor_get(x_43, 4);
-x_58 = lean_ctor_get(x_43, 5);
-x_59 = lean_ctor_get(x_43, 6);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_43);
-x_60 = lean_ctor_get(x_38, 1);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_38, 2);
-lean_inc(x_61);
-lean_dec(x_38);
-x_62 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_62, 0, x_55);
-lean_ctor_set(x_62, 1, x_60);
-lean_ctor_set(x_62, 2, x_61);
-lean_ctor_set(x_62, 3, x_56);
-lean_ctor_set(x_62, 4, x_57);
-lean_ctor_set(x_62, 5, x_58);
-lean_ctor_set(x_62, 6, x_59);
-x_63 = lean_st_ref_set(x_9, x_62, x_44);
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_65 = x_63;
+if (lean_is_exclusive(x_133)) {
+ lean_ctor_release(x_133, 0);
+ lean_ctor_release(x_133, 1);
+ lean_ctor_release(x_133, 2);
+ lean_ctor_release(x_133, 3);
+ lean_ctor_release(x_133, 4);
+ lean_ctor_release(x_133, 5);
+ lean_ctor_release(x_133, 6);
+ x_140 = x_133;
 } else {
- lean_dec_ref(x_63);
- x_65 = lean_box(0);
+ lean_dec_ref(x_133);
+ x_140 = lean_box(0);
 }
-if (lean_is_scalar(x_65)) {
- x_66 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_140)) {
+ x_141 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_66 = x_65;
+ x_141 = x_140;
 }
-lean_ctor_set(x_66, 0, x_39);
-lean_ctor_set(x_66, 1, x_64);
-return x_66;
+lean_ctor_set(x_141, 0, x_135);
+lean_ctor_set(x_141, 1, x_95);
+lean_ctor_set(x_141, 2, x_96);
+lean_ctor_set(x_141, 3, x_136);
+lean_ctor_set(x_141, 4, x_137);
+lean_ctor_set(x_141, 5, x_138);
+lean_ctor_set(x_141, 6, x_139);
+x_142 = lean_st_ref_set(x_9, x_141, x_134);
+x_143 = lean_ctor_get(x_142, 1);
+lean_inc(x_143);
+lean_dec(x_142);
+x_144 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_145 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_144, x_6, x_7, x_8, x_9, x_143);
+return x_145;
 }
 }
 }
 else
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; uint8_t x_172; 
-x_140 = lean_ctor_get(x_36, 1);
-lean_inc(x_140);
-lean_dec(x_36);
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_168 = lean_st_ref_get(x_9, x_29);
-x_169 = lean_ctor_get(x_168, 1);
-lean_inc(x_169);
-lean_dec(x_168);
-x_170 = lean_st_ref_take(x_7, x_169);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get_uint8(x_141, sizeof(void*)*8);
-if (x_172 == 0)
-{
-lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; 
-x_173 = lean_ctor_get(x_171, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_170, 1);
-lean_inc(x_174);
-lean_dec(x_170);
-x_175 = lean_ctor_get(x_141, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_141, 1);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_141, 2);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_141, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_141, 4);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_141, 5);
-lean_inc(x_180);
-x_181 = lean_ctor_get(x_141, 6);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_141, 7);
-lean_inc(x_182);
-lean_dec(x_141);
-x_183 = !lean_is_exclusive(x_171);
-if (x_183 == 0)
-{
-lean_object* x_184; uint8_t x_185; 
-x_184 = lean_ctor_get(x_171, 0);
-lean_dec(x_184);
-x_185 = !lean_is_exclusive(x_173);
-if (x_185 == 0)
-{
-lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; 
-x_186 = lean_ctor_get(x_173, 7);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_173, 6);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_173, 5);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_173, 4);
-lean_dec(x_189);
-x_190 = lean_ctor_get(x_173, 3);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_173, 2);
-lean_dec(x_191);
-x_192 = lean_ctor_get(x_173, 1);
-lean_dec(x_192);
-x_193 = lean_ctor_get(x_173, 0);
-lean_dec(x_193);
-lean_ctor_set(x_173, 7, x_182);
-lean_ctor_set(x_173, 6, x_181);
-lean_ctor_set(x_173, 5, x_180);
-lean_ctor_set(x_173, 4, x_179);
-lean_ctor_set(x_173, 3, x_178);
-lean_ctor_set(x_173, 2, x_177);
-lean_ctor_set(x_173, 1, x_176);
-lean_ctor_set(x_173, 0, x_175);
-x_194 = lean_st_ref_set(x_7, x_171, x_174);
-x_195 = lean_ctor_get(x_194, 1);
-lean_inc(x_195);
-lean_dec(x_194);
-x_142 = x_195;
-goto block_167;
-}
-else
-{
-uint8_t x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_196 = lean_ctor_get_uint8(x_173, sizeof(void*)*8);
-lean_dec(x_173);
-x_197 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_197, 0, x_175);
-lean_ctor_set(x_197, 1, x_176);
-lean_ctor_set(x_197, 2, x_177);
-lean_ctor_set(x_197, 3, x_178);
-lean_ctor_set(x_197, 4, x_179);
-lean_ctor_set(x_197, 5, x_180);
-lean_ctor_set(x_197, 6, x_181);
-lean_ctor_set(x_197, 7, x_182);
-lean_ctor_set_uint8(x_197, sizeof(void*)*8, x_196);
-lean_ctor_set(x_171, 0, x_197);
-x_198 = lean_st_ref_set(x_7, x_171, x_174);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_142 = x_199;
-goto block_167;
-}
-}
-else
-{
-lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; 
-x_200 = lean_ctor_get(x_171, 1);
-x_201 = lean_ctor_get(x_171, 2);
-x_202 = lean_ctor_get(x_171, 3);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_inc(x_200);
-lean_dec(x_171);
-x_203 = lean_ctor_get_uint8(x_173, sizeof(void*)*8);
-if (lean_is_exclusive(x_173)) {
- lean_ctor_release(x_173, 0);
- lean_ctor_release(x_173, 1);
- lean_ctor_release(x_173, 2);
- lean_ctor_release(x_173, 3);
- lean_ctor_release(x_173, 4);
- lean_ctor_release(x_173, 5);
- lean_ctor_release(x_173, 6);
- lean_ctor_release(x_173, 7);
- x_204 = x_173;
-} else {
- lean_dec_ref(x_173);
- x_204 = lean_box(0);
-}
-if (lean_is_scalar(x_204)) {
- x_205 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_205 = x_204;
-}
-lean_ctor_set(x_205, 0, x_175);
-lean_ctor_set(x_205, 1, x_176);
-lean_ctor_set(x_205, 2, x_177);
-lean_ctor_set(x_205, 3, x_178);
-lean_ctor_set(x_205, 4, x_179);
-lean_ctor_set(x_205, 5, x_180);
-lean_ctor_set(x_205, 6, x_181);
-lean_ctor_set(x_205, 7, x_182);
-lean_ctor_set_uint8(x_205, sizeof(void*)*8, x_203);
-x_206 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_206, 0, x_205);
-lean_ctor_set(x_206, 1, x_200);
-lean_ctor_set(x_206, 2, x_201);
-lean_ctor_set(x_206, 3, x_202);
-x_207 = lean_st_ref_set(x_7, x_206, x_174);
-x_208 = lean_ctor_get(x_207, 1);
-lean_inc(x_208);
-lean_dec(x_207);
-x_142 = x_208;
-goto block_167;
-}
-}
-else
-{
-lean_object* x_209; uint8_t x_210; 
-x_209 = lean_ctor_get(x_170, 1);
-lean_inc(x_209);
-lean_dec(x_170);
-x_210 = !lean_is_exclusive(x_141);
-if (x_210 == 0)
-{
-uint8_t x_211; 
-x_211 = !lean_is_exclusive(x_171);
-if (x_211 == 0)
-{
-lean_object* x_212; uint8_t x_213; lean_object* x_214; lean_object* x_215; 
-x_212 = lean_ctor_get(x_171, 0);
-lean_dec(x_212);
-x_213 = 1;
-lean_ctor_set_uint8(x_141, sizeof(void*)*8, x_213);
-lean_ctor_set(x_171, 0, x_141);
-x_214 = lean_st_ref_set(x_7, x_171, x_209);
-x_215 = lean_ctor_get(x_214, 1);
-lean_inc(x_215);
-lean_dec(x_214);
-x_142 = x_215;
-goto block_167;
-}
-else
-{
-lean_object* x_216; lean_object* x_217; lean_object* x_218; uint8_t x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; 
-x_216 = lean_ctor_get(x_171, 1);
-x_217 = lean_ctor_get(x_171, 2);
-x_218 = lean_ctor_get(x_171, 3);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_dec(x_171);
-x_219 = 1;
-lean_ctor_set_uint8(x_141, sizeof(void*)*8, x_219);
-x_220 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_220, 0, x_141);
-lean_ctor_set(x_220, 1, x_216);
-lean_ctor_set(x_220, 2, x_217);
-lean_ctor_set(x_220, 3, x_218);
-x_221 = lean_st_ref_set(x_7, x_220, x_209);
-x_222 = lean_ctor_get(x_221, 1);
-lean_inc(x_222);
-lean_dec(x_221);
-x_142 = x_222;
-goto block_167;
-}
-}
-else
-{
-lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; uint8_t x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; 
-x_223 = lean_ctor_get(x_141, 0);
-x_224 = lean_ctor_get(x_141, 1);
-x_225 = lean_ctor_get(x_141, 2);
-x_226 = lean_ctor_get(x_141, 3);
-x_227 = lean_ctor_get(x_141, 4);
-x_228 = lean_ctor_get(x_141, 5);
-x_229 = lean_ctor_get(x_141, 6);
-x_230 = lean_ctor_get(x_141, 7);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_dec(x_141);
-x_231 = lean_ctor_get(x_171, 1);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_171, 2);
-lean_inc(x_232);
-x_233 = lean_ctor_get(x_171, 3);
-lean_inc(x_233);
-if (lean_is_exclusive(x_171)) {
- lean_ctor_release(x_171, 0);
- lean_ctor_release(x_171, 1);
- lean_ctor_release(x_171, 2);
- lean_ctor_release(x_171, 3);
- x_234 = x_171;
-} else {
- lean_dec_ref(x_171);
- x_234 = lean_box(0);
-}
-x_235 = 1;
-x_236 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_236, 0, x_223);
-lean_ctor_set(x_236, 1, x_224);
-lean_ctor_set(x_236, 2, x_225);
-lean_ctor_set(x_236, 3, x_226);
-lean_ctor_set(x_236, 4, x_227);
-lean_ctor_set(x_236, 5, x_228);
-lean_ctor_set(x_236, 6, x_229);
-lean_ctor_set(x_236, 7, x_230);
-lean_ctor_set_uint8(x_236, sizeof(void*)*8, x_235);
-if (lean_is_scalar(x_234)) {
- x_237 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_237 = x_234;
-}
-lean_ctor_set(x_237, 0, x_236);
-lean_ctor_set(x_237, 1, x_231);
-lean_ctor_set(x_237, 2, x_232);
-lean_ctor_set(x_237, 3, x_233);
-x_238 = lean_st_ref_set(x_7, x_237, x_209);
-x_239 = lean_ctor_get(x_238, 1);
-lean_inc(x_239);
-lean_dec(x_238);
-x_142 = x_239;
-goto block_167;
-}
-}
-block_167:
-{
-lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; 
-x_143 = lean_st_ref_take(x_9, x_142);
-x_144 = lean_ctor_get(x_143, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_143, 1);
-lean_inc(x_145);
-lean_dec(x_143);
-x_146 = !lean_is_exclusive(x_144);
-if (x_146 == 0)
-{
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_147 = lean_ctor_get(x_144, 2);
-lean_dec(x_147);
-x_148 = lean_ctor_get(x_144, 1);
-lean_dec(x_148);
-x_149 = lean_ctor_get(x_140, 1);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_140, 2);
-lean_inc(x_150);
-lean_dec(x_140);
-lean_ctor_set(x_144, 2, x_150);
-lean_ctor_set(x_144, 1, x_149);
-x_151 = lean_st_ref_set(x_9, x_144, x_145);
-x_152 = lean_ctor_get(x_151, 1);
-lean_inc(x_152);
-lean_dec(x_151);
-x_153 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_154 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_153, x_6, x_7, x_8, x_9, x_152);
-return x_154;
-}
-else
-{
-lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-x_155 = lean_ctor_get(x_144, 0);
-x_156 = lean_ctor_get(x_144, 3);
-x_157 = lean_ctor_get(x_144, 4);
-x_158 = lean_ctor_get(x_144, 5);
-x_159 = lean_ctor_get(x_144, 6);
-lean_inc(x_159);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_inc(x_156);
-lean_inc(x_155);
-lean_dec(x_144);
-x_160 = lean_ctor_get(x_140, 1);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_140, 2);
-lean_inc(x_161);
-lean_dec(x_140);
-x_162 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_162, 0, x_155);
-lean_ctor_set(x_162, 1, x_160);
-lean_ctor_set(x_162, 2, x_161);
-lean_ctor_set(x_162, 3, x_156);
-lean_ctor_set(x_162, 4, x_157);
-lean_ctor_set(x_162, 5, x_158);
-lean_ctor_set(x_162, 6, x_159);
-x_163 = lean_st_ref_set(x_9, x_162, x_145);
-x_164 = lean_ctor_get(x_163, 1);
-lean_inc(x_164);
-lean_dec(x_163);
-x_165 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_166 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_165, x_6, x_7, x_8, x_9, x_164);
-return x_166;
-}
-}
-}
-}
-else
-{
-lean_object* x_240; 
+lean_object* x_146; 
 lean_dec(x_1);
-x_240 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_240, 0, x_2);
-lean_ctor_set(x_240, 1, x_10);
-return x_240;
+x_146 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_146, 0, x_2);
+lean_ctor_set(x_146, 1, x_10);
+return x_146;
 }
 }
 }
@@ -13281,7 +11752,7 @@ x_35 = 1;
 x_36 = l_Lean_MetavarContext_mkBinding(x_35, x_1, x_2, x_3, x_4, x_5, x_31, x_34);
 if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -13292,711 +11763,361 @@ lean_inc(x_39);
 lean_dec(x_37);
 x_40 = lean_ctor_get(x_38, 0);
 lean_inc(x_40);
-x_68 = lean_st_ref_get(x_9, x_29);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-lean_dec(x_68);
-x_70 = lean_st_ref_take(x_7, x_69);
-x_71 = lean_ctor_get(x_70, 0);
-lean_inc(x_71);
-x_72 = lean_ctor_get_uint8(x_40, sizeof(void*)*8);
-if (x_72 == 0)
+x_41 = lean_ctor_get(x_38, 1);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_38, 2);
+lean_inc(x_42);
+lean_dec(x_38);
+x_43 = lean_st_ref_get(x_9, x_29);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+lean_dec(x_43);
+x_45 = lean_st_ref_take(x_7, x_44);
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+x_48 = !lean_is_exclusive(x_46);
+if (x_48 == 0)
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
-x_73 = lean_ctor_get(x_71, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_70, 1);
-lean_inc(x_74);
-lean_dec(x_70);
-x_75 = lean_ctor_get(x_40, 0);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_49 = lean_ctor_get(x_46, 0);
+lean_dec(x_49);
+lean_ctor_set(x_46, 0, x_40);
+x_50 = lean_st_ref_set(x_7, x_46, x_47);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_take(x_9, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_56 = lean_ctor_get(x_53, 2);
+lean_dec(x_56);
+x_57 = lean_ctor_get(x_53, 1);
+lean_dec(x_57);
+lean_ctor_set(x_53, 2, x_42);
+lean_ctor_set(x_53, 1, x_41);
+x_58 = lean_st_ref_set(x_9, x_53, x_54);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; 
+x_60 = lean_ctor_get(x_58, 0);
+lean_dec(x_60);
+lean_ctor_set(x_58, 0, x_39);
+return x_58;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_58, 1);
+lean_inc(x_61);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_39);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
+}
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_63 = lean_ctor_get(x_53, 0);
+x_64 = lean_ctor_get(x_53, 3);
+x_65 = lean_ctor_get(x_53, 4);
+x_66 = lean_ctor_get(x_53, 5);
+x_67 = lean_ctor_get(x_53, 6);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_53);
+x_68 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_68, 0, x_63);
+lean_ctor_set(x_68, 1, x_41);
+lean_ctor_set(x_68, 2, x_42);
+lean_ctor_set(x_68, 3, x_64);
+lean_ctor_set(x_68, 4, x_65);
+lean_ctor_set(x_68, 5, x_66);
+lean_ctor_set(x_68, 6, x_67);
+x_69 = lean_st_ref_set(x_9, x_68, x_54);
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ x_71 = x_69;
+} else {
+ lean_dec_ref(x_69);
+ x_71 = lean_box(0);
+}
+if (lean_is_scalar(x_71)) {
+ x_72 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_72 = x_71;
+}
+lean_ctor_set(x_72, 0, x_39);
+lean_ctor_set(x_72, 1, x_70);
+return x_72;
+}
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_73 = lean_ctor_get(x_46, 1);
+x_74 = lean_ctor_get(x_46, 2);
+x_75 = lean_ctor_get(x_46, 3);
 lean_inc(x_75);
-x_76 = lean_ctor_get(x_40, 1);
-lean_inc(x_76);
-x_77 = lean_ctor_get(x_40, 2);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_40, 3);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_46);
+x_76 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_76, 0, x_40);
+lean_ctor_set(x_76, 1, x_73);
+lean_ctor_set(x_76, 2, x_74);
+lean_ctor_set(x_76, 3, x_75);
+x_77 = lean_st_ref_set(x_7, x_76, x_47);
+x_78 = lean_ctor_get(x_77, 1);
 lean_inc(x_78);
-x_79 = lean_ctor_get(x_40, 4);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_40, 5);
+lean_dec(x_77);
+x_79 = lean_st_ref_take(x_9, x_78);
+x_80 = lean_ctor_get(x_79, 0);
 lean_inc(x_80);
-x_81 = lean_ctor_get(x_40, 6);
+x_81 = lean_ctor_get(x_79, 1);
 lean_inc(x_81);
-x_82 = lean_ctor_get(x_40, 7);
+lean_dec(x_79);
+x_82 = lean_ctor_get(x_80, 0);
 lean_inc(x_82);
-lean_dec(x_40);
-x_83 = !lean_is_exclusive(x_71);
-if (x_83 == 0)
+x_83 = lean_ctor_get(x_80, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_80, 4);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_80, 5);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_80, 6);
+lean_inc(x_86);
+if (lean_is_exclusive(x_80)) {
+ lean_ctor_release(x_80, 0);
+ lean_ctor_release(x_80, 1);
+ lean_ctor_release(x_80, 2);
+ lean_ctor_release(x_80, 3);
+ lean_ctor_release(x_80, 4);
+ lean_ctor_release(x_80, 5);
+ lean_ctor_release(x_80, 6);
+ x_87 = x_80;
+} else {
+ lean_dec_ref(x_80);
+ x_87 = lean_box(0);
+}
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_88 = x_87;
+}
+lean_ctor_set(x_88, 0, x_82);
+lean_ctor_set(x_88, 1, x_41);
+lean_ctor_set(x_88, 2, x_42);
+lean_ctor_set(x_88, 3, x_83);
+lean_ctor_set(x_88, 4, x_84);
+lean_ctor_set(x_88, 5, x_85);
+lean_ctor_set(x_88, 6, x_86);
+x_89 = lean_st_ref_set(x_9, x_88, x_81);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_91 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_91 = lean_box(0);
+}
+if (lean_is_scalar(x_91)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_92 = x_91;
+}
+lean_ctor_set(x_92, 0, x_39);
+lean_ctor_set(x_92, 1, x_90);
+return x_92;
+}
+}
+else
 {
-lean_object* x_84; uint8_t x_85; 
-x_84 = lean_ctor_get(x_71, 0);
-lean_dec(x_84);
-x_85 = !lean_is_exclusive(x_73);
-if (x_85 == 0)
-{
-lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_86 = lean_ctor_get(x_73, 7);
-lean_dec(x_86);
-x_87 = lean_ctor_get(x_73, 6);
-lean_dec(x_87);
-x_88 = lean_ctor_get(x_73, 5);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_73, 4);
-lean_dec(x_89);
-x_90 = lean_ctor_get(x_73, 3);
-lean_dec(x_90);
-x_91 = lean_ctor_get(x_73, 2);
-lean_dec(x_91);
-x_92 = lean_ctor_get(x_73, 1);
-lean_dec(x_92);
-x_93 = lean_ctor_get(x_73, 0);
-lean_dec(x_93);
-lean_ctor_set(x_73, 7, x_82);
-lean_ctor_set(x_73, 6, x_81);
-lean_ctor_set(x_73, 5, x_80);
-lean_ctor_set(x_73, 4, x_79);
-lean_ctor_set(x_73, 3, x_78);
-lean_ctor_set(x_73, 2, x_77);
-lean_ctor_set(x_73, 1, x_76);
-lean_ctor_set(x_73, 0, x_75);
-x_94 = lean_st_ref_set(x_7, x_71, x_74);
-x_95 = lean_ctor_get(x_94, 1);
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_93 = lean_ctor_get(x_36, 1);
+lean_inc(x_93);
+lean_dec(x_36);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_93, 1);
 lean_inc(x_95);
-lean_dec(x_94);
-x_41 = x_95;
-goto block_67;
-}
-else
-{
-uint8_t x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_96 = lean_ctor_get_uint8(x_73, sizeof(void*)*8);
-lean_dec(x_73);
-x_97 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_97, 0, x_75);
-lean_ctor_set(x_97, 1, x_76);
-lean_ctor_set(x_97, 2, x_77);
-lean_ctor_set(x_97, 3, x_78);
-lean_ctor_set(x_97, 4, x_79);
-lean_ctor_set(x_97, 5, x_80);
-lean_ctor_set(x_97, 6, x_81);
-lean_ctor_set(x_97, 7, x_82);
-lean_ctor_set_uint8(x_97, sizeof(void*)*8, x_96);
-lean_ctor_set(x_71, 0, x_97);
-x_98 = lean_st_ref_set(x_7, x_71, x_74);
-x_99 = lean_ctor_get(x_98, 1);
-lean_inc(x_99);
-lean_dec(x_98);
-x_41 = x_99;
-goto block_67;
-}
-}
-else
-{
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_100 = lean_ctor_get(x_71, 1);
-x_101 = lean_ctor_get(x_71, 2);
-x_102 = lean_ctor_get(x_71, 3);
-lean_inc(x_102);
-lean_inc(x_101);
+x_96 = lean_ctor_get(x_93, 2);
+lean_inc(x_96);
+lean_dec(x_93);
+x_97 = lean_st_ref_get(x_9, x_29);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_take(x_7, x_98);
+x_100 = lean_ctor_get(x_99, 0);
 lean_inc(x_100);
-lean_dec(x_71);
-x_103 = lean_ctor_get_uint8(x_73, sizeof(void*)*8);
-if (lean_is_exclusive(x_73)) {
- lean_ctor_release(x_73, 0);
- lean_ctor_release(x_73, 1);
- lean_ctor_release(x_73, 2);
- lean_ctor_release(x_73, 3);
- lean_ctor_release(x_73, 4);
- lean_ctor_release(x_73, 5);
- lean_ctor_release(x_73, 6);
- lean_ctor_release(x_73, 7);
- x_104 = x_73;
-} else {
- lean_dec_ref(x_73);
- x_104 = lean_box(0);
-}
-if (lean_is_scalar(x_104)) {
- x_105 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_105 = x_104;
-}
-lean_ctor_set(x_105, 0, x_75);
-lean_ctor_set(x_105, 1, x_76);
-lean_ctor_set(x_105, 2, x_77);
-lean_ctor_set(x_105, 3, x_78);
-lean_ctor_set(x_105, 4, x_79);
-lean_ctor_set(x_105, 5, x_80);
-lean_ctor_set(x_105, 6, x_81);
-lean_ctor_set(x_105, 7, x_82);
-lean_ctor_set_uint8(x_105, sizeof(void*)*8, x_103);
-x_106 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_100);
-lean_ctor_set(x_106, 2, x_101);
-lean_ctor_set(x_106, 3, x_102);
-x_107 = lean_st_ref_set(x_7, x_106, x_74);
-x_108 = lean_ctor_get(x_107, 1);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = !lean_is_exclusive(x_100);
+if (x_102 == 0)
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
+x_103 = lean_ctor_get(x_100, 0);
+lean_dec(x_103);
+lean_ctor_set(x_100, 0, x_94);
+x_104 = lean_st_ref_set(x_7, x_100, x_101);
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+lean_dec(x_104);
+x_106 = lean_st_ref_take(x_9, x_105);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
 lean_inc(x_108);
-lean_dec(x_107);
-x_41 = x_108;
-goto block_67;
-}
-}
-else
+lean_dec(x_106);
+x_109 = !lean_is_exclusive(x_107);
+if (x_109 == 0)
 {
-lean_object* x_109; uint8_t x_110; 
-x_109 = lean_ctor_get(x_70, 1);
-lean_inc(x_109);
-lean_dec(x_70);
-x_110 = !lean_is_exclusive(x_40);
-if (x_110 == 0)
-{
-uint8_t x_111; 
-x_111 = !lean_is_exclusive(x_71);
-if (x_111 == 0)
-{
-lean_object* x_112; lean_object* x_113; lean_object* x_114; 
-x_112 = lean_ctor_get(x_71, 0);
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_110 = lean_ctor_get(x_107, 2);
+lean_dec(x_110);
+x_111 = lean_ctor_get(x_107, 1);
+lean_dec(x_111);
+lean_ctor_set(x_107, 2, x_96);
+lean_ctor_set(x_107, 1, x_95);
+x_112 = lean_st_ref_set(x_9, x_107, x_108);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
 lean_dec(x_112);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_35);
-lean_ctor_set(x_71, 0, x_40);
-x_113 = lean_st_ref_set(x_7, x_71, x_109);
-x_114 = lean_ctor_get(x_113, 1);
-lean_inc(x_114);
-lean_dec(x_113);
-x_41 = x_114;
-goto block_67;
+x_114 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_115 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_114, x_6, x_7, x_8, x_9, x_113);
+return x_115;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_115 = lean_ctor_get(x_71, 1);
-x_116 = lean_ctor_get(x_71, 2);
-x_117 = lean_ctor_get(x_71, 3);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+x_116 = lean_ctor_get(x_107, 0);
+x_117 = lean_ctor_get(x_107, 3);
+x_118 = lean_ctor_get(x_107, 4);
+x_119 = lean_ctor_get(x_107, 5);
+x_120 = lean_ctor_get(x_107, 6);
+lean_inc(x_120);
+lean_inc(x_119);
+lean_inc(x_118);
 lean_inc(x_117);
 lean_inc(x_116);
-lean_inc(x_115);
-lean_dec(x_71);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_35);
-x_118 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_118, 0, x_40);
-lean_ctor_set(x_118, 1, x_115);
-lean_ctor_set(x_118, 2, x_116);
-lean_ctor_set(x_118, 3, x_117);
-x_119 = lean_st_ref_set(x_7, x_118, x_109);
-x_120 = lean_ctor_get(x_119, 1);
-lean_inc(x_120);
-lean_dec(x_119);
-x_41 = x_120;
-goto block_67;
+lean_dec(x_107);
+x_121 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_121, 0, x_116);
+lean_ctor_set(x_121, 1, x_95);
+lean_ctor_set(x_121, 2, x_96);
+lean_ctor_set(x_121, 3, x_117);
+lean_ctor_set(x_121, 4, x_118);
+lean_ctor_set(x_121, 5, x_119);
+lean_ctor_set(x_121, 6, x_120);
+x_122 = lean_st_ref_set(x_9, x_121, x_108);
+x_123 = lean_ctor_get(x_122, 1);
+lean_inc(x_123);
+lean_dec(x_122);
+x_124 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_125 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_124, x_6, x_7, x_8, x_9, x_123);
+return x_125;
 }
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
-x_121 = lean_ctor_get(x_40, 0);
-x_122 = lean_ctor_get(x_40, 1);
-x_123 = lean_ctor_get(x_40, 2);
-x_124 = lean_ctor_get(x_40, 3);
-x_125 = lean_ctor_get(x_40, 4);
-x_126 = lean_ctor_get(x_40, 5);
-x_127 = lean_ctor_get(x_40, 6);
-x_128 = lean_ctor_get(x_40, 7);
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+x_126 = lean_ctor_get(x_100, 1);
+x_127 = lean_ctor_get(x_100, 2);
+x_128 = lean_ctor_get(x_100, 3);
 lean_inc(x_128);
 lean_inc(x_127);
 lean_inc(x_126);
-lean_inc(x_125);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_dec(x_40);
-x_129 = lean_ctor_get(x_71, 1);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_71, 2);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_71, 3);
+lean_dec(x_100);
+x_129 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_129, 0, x_94);
+lean_ctor_set(x_129, 1, x_126);
+lean_ctor_set(x_129, 2, x_127);
+lean_ctor_set(x_129, 3, x_128);
+x_130 = lean_st_ref_set(x_7, x_129, x_101);
+x_131 = lean_ctor_get(x_130, 1);
 lean_inc(x_131);
-if (lean_is_exclusive(x_71)) {
- lean_ctor_release(x_71, 0);
- lean_ctor_release(x_71, 1);
- lean_ctor_release(x_71, 2);
- lean_ctor_release(x_71, 3);
- x_132 = x_71;
-} else {
- lean_dec_ref(x_71);
- x_132 = lean_box(0);
-}
-x_133 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_133, 0, x_121);
-lean_ctor_set(x_133, 1, x_122);
-lean_ctor_set(x_133, 2, x_123);
-lean_ctor_set(x_133, 3, x_124);
-lean_ctor_set(x_133, 4, x_125);
-lean_ctor_set(x_133, 5, x_126);
-lean_ctor_set(x_133, 6, x_127);
-lean_ctor_set(x_133, 7, x_128);
-lean_ctor_set_uint8(x_133, sizeof(void*)*8, x_35);
-if (lean_is_scalar(x_132)) {
- x_134 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_134 = x_132;
-}
-lean_ctor_set(x_134, 0, x_133);
-lean_ctor_set(x_134, 1, x_129);
-lean_ctor_set(x_134, 2, x_130);
-lean_ctor_set(x_134, 3, x_131);
-x_135 = lean_st_ref_set(x_7, x_134, x_109);
-x_136 = lean_ctor_get(x_135, 1);
+lean_dec(x_130);
+x_132 = lean_st_ref_take(x_9, x_131);
+x_133 = lean_ctor_get(x_132, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_132, 1);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_133, 3);
 lean_inc(x_136);
-lean_dec(x_135);
-x_41 = x_136;
-goto block_67;
-}
-}
-block_67:
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-x_42 = lean_st_ref_take(x_9, x_41);
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
-lean_inc(x_44);
-lean_dec(x_42);
-x_45 = !lean_is_exclusive(x_43);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_46 = lean_ctor_get(x_43, 2);
-lean_dec(x_46);
-x_47 = lean_ctor_get(x_43, 1);
-lean_dec(x_47);
-x_48 = lean_ctor_get(x_38, 1);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_38, 2);
-lean_inc(x_49);
-lean_dec(x_38);
-lean_ctor_set(x_43, 2, x_49);
-lean_ctor_set(x_43, 1, x_48);
-x_50 = lean_st_ref_set(x_9, x_43, x_44);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_dec(x_52);
-lean_ctor_set(x_50, 0, x_39);
-return x_50;
-}
-else
-{
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_50, 1);
-lean_inc(x_53);
-lean_dec(x_50);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_39);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
-}
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_55 = lean_ctor_get(x_43, 0);
-x_56 = lean_ctor_get(x_43, 3);
-x_57 = lean_ctor_get(x_43, 4);
-x_58 = lean_ctor_get(x_43, 5);
-x_59 = lean_ctor_get(x_43, 6);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_43);
-x_60 = lean_ctor_get(x_38, 1);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_38, 2);
-lean_inc(x_61);
-lean_dec(x_38);
-x_62 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_62, 0, x_55);
-lean_ctor_set(x_62, 1, x_60);
-lean_ctor_set(x_62, 2, x_61);
-lean_ctor_set(x_62, 3, x_56);
-lean_ctor_set(x_62, 4, x_57);
-lean_ctor_set(x_62, 5, x_58);
-lean_ctor_set(x_62, 6, x_59);
-x_63 = lean_st_ref_set(x_9, x_62, x_44);
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_65 = x_63;
-} else {
- lean_dec_ref(x_63);
- x_65 = lean_box(0);
-}
-if (lean_is_scalar(x_65)) {
- x_66 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_66 = x_65;
-}
-lean_ctor_set(x_66, 0, x_39);
-lean_ctor_set(x_66, 1, x_64);
-return x_66;
-}
-}
-}
-else
-{
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; 
-x_137 = lean_ctor_get(x_36, 1);
+x_137 = lean_ctor_get(x_133, 4);
 lean_inc(x_137);
-lean_dec(x_36);
-x_138 = lean_ctor_get(x_137, 0);
+x_138 = lean_ctor_get(x_133, 5);
 lean_inc(x_138);
-x_165 = lean_st_ref_get(x_9, x_29);
-x_166 = lean_ctor_get(x_165, 1);
-lean_inc(x_166);
-lean_dec(x_165);
-x_167 = lean_st_ref_take(x_7, x_166);
-x_168 = lean_ctor_get(x_167, 0);
-lean_inc(x_168);
-x_169 = lean_ctor_get_uint8(x_138, sizeof(void*)*8);
-if (x_169 == 0)
-{
-lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; 
-x_170 = lean_ctor_get(x_168, 0);
-lean_inc(x_170);
-x_171 = lean_ctor_get(x_167, 1);
-lean_inc(x_171);
-lean_dec(x_167);
-x_172 = lean_ctor_get(x_138, 0);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_138, 1);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_138, 2);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_138, 3);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_138, 4);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_138, 5);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_138, 6);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_138, 7);
-lean_inc(x_179);
-lean_dec(x_138);
-x_180 = !lean_is_exclusive(x_168);
-if (x_180 == 0)
-{
-lean_object* x_181; uint8_t x_182; 
-x_181 = lean_ctor_get(x_168, 0);
-lean_dec(x_181);
-x_182 = !lean_is_exclusive(x_170);
-if (x_182 == 0)
-{
-lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-x_183 = lean_ctor_get(x_170, 7);
-lean_dec(x_183);
-x_184 = lean_ctor_get(x_170, 6);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_170, 5);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_170, 4);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_170, 3);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_170, 2);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_170, 1);
-lean_dec(x_189);
-x_190 = lean_ctor_get(x_170, 0);
-lean_dec(x_190);
-lean_ctor_set(x_170, 7, x_179);
-lean_ctor_set(x_170, 6, x_178);
-lean_ctor_set(x_170, 5, x_177);
-lean_ctor_set(x_170, 4, x_176);
-lean_ctor_set(x_170, 3, x_175);
-lean_ctor_set(x_170, 2, x_174);
-lean_ctor_set(x_170, 1, x_173);
-lean_ctor_set(x_170, 0, x_172);
-x_191 = lean_st_ref_set(x_7, x_168, x_171);
-x_192 = lean_ctor_get(x_191, 1);
-lean_inc(x_192);
-lean_dec(x_191);
-x_139 = x_192;
-goto block_164;
-}
-else
-{
-uint8_t x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_193 = lean_ctor_get_uint8(x_170, sizeof(void*)*8);
-lean_dec(x_170);
-x_194 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_194, 0, x_172);
-lean_ctor_set(x_194, 1, x_173);
-lean_ctor_set(x_194, 2, x_174);
-lean_ctor_set(x_194, 3, x_175);
-lean_ctor_set(x_194, 4, x_176);
-lean_ctor_set(x_194, 5, x_177);
-lean_ctor_set(x_194, 6, x_178);
-lean_ctor_set(x_194, 7, x_179);
-lean_ctor_set_uint8(x_194, sizeof(void*)*8, x_193);
-lean_ctor_set(x_168, 0, x_194);
-x_195 = lean_st_ref_set(x_7, x_168, x_171);
-x_196 = lean_ctor_get(x_195, 1);
-lean_inc(x_196);
-lean_dec(x_195);
-x_139 = x_196;
-goto block_164;
-}
-}
-else
-{
-lean_object* x_197; lean_object* x_198; lean_object* x_199; uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; 
-x_197 = lean_ctor_get(x_168, 1);
-x_198 = lean_ctor_get(x_168, 2);
-x_199 = lean_ctor_get(x_168, 3);
-lean_inc(x_199);
-lean_inc(x_198);
-lean_inc(x_197);
-lean_dec(x_168);
-x_200 = lean_ctor_get_uint8(x_170, sizeof(void*)*8);
-if (lean_is_exclusive(x_170)) {
- lean_ctor_release(x_170, 0);
- lean_ctor_release(x_170, 1);
- lean_ctor_release(x_170, 2);
- lean_ctor_release(x_170, 3);
- lean_ctor_release(x_170, 4);
- lean_ctor_release(x_170, 5);
- lean_ctor_release(x_170, 6);
- lean_ctor_release(x_170, 7);
- x_201 = x_170;
+x_139 = lean_ctor_get(x_133, 6);
+lean_inc(x_139);
+if (lean_is_exclusive(x_133)) {
+ lean_ctor_release(x_133, 0);
+ lean_ctor_release(x_133, 1);
+ lean_ctor_release(x_133, 2);
+ lean_ctor_release(x_133, 3);
+ lean_ctor_release(x_133, 4);
+ lean_ctor_release(x_133, 5);
+ lean_ctor_release(x_133, 6);
+ x_140 = x_133;
 } else {
- lean_dec_ref(x_170);
- x_201 = lean_box(0);
+ lean_dec_ref(x_133);
+ x_140 = lean_box(0);
 }
-if (lean_is_scalar(x_201)) {
- x_202 = lean_alloc_ctor(0, 8, 1);
+if (lean_is_scalar(x_140)) {
+ x_141 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_202 = x_201;
-}
-lean_ctor_set(x_202, 0, x_172);
-lean_ctor_set(x_202, 1, x_173);
-lean_ctor_set(x_202, 2, x_174);
-lean_ctor_set(x_202, 3, x_175);
-lean_ctor_set(x_202, 4, x_176);
-lean_ctor_set(x_202, 5, x_177);
-lean_ctor_set(x_202, 6, x_178);
-lean_ctor_set(x_202, 7, x_179);
-lean_ctor_set_uint8(x_202, sizeof(void*)*8, x_200);
-x_203 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_197);
-lean_ctor_set(x_203, 2, x_198);
-lean_ctor_set(x_203, 3, x_199);
-x_204 = lean_st_ref_set(x_7, x_203, x_171);
-x_205 = lean_ctor_get(x_204, 1);
-lean_inc(x_205);
-lean_dec(x_204);
-x_139 = x_205;
-goto block_164;
-}
-}
-else
-{
-lean_object* x_206; uint8_t x_207; 
-x_206 = lean_ctor_get(x_167, 1);
-lean_inc(x_206);
-lean_dec(x_167);
-x_207 = !lean_is_exclusive(x_138);
-if (x_207 == 0)
-{
-uint8_t x_208; 
-x_208 = !lean_is_exclusive(x_168);
-if (x_208 == 0)
-{
-lean_object* x_209; lean_object* x_210; lean_object* x_211; 
-x_209 = lean_ctor_get(x_168, 0);
-lean_dec(x_209);
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_35);
-lean_ctor_set(x_168, 0, x_138);
-x_210 = lean_st_ref_set(x_7, x_168, x_206);
-x_211 = lean_ctor_get(x_210, 1);
-lean_inc(x_211);
-lean_dec(x_210);
-x_139 = x_211;
-goto block_164;
-}
-else
-{
-lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; 
-x_212 = lean_ctor_get(x_168, 1);
-x_213 = lean_ctor_get(x_168, 2);
-x_214 = lean_ctor_get(x_168, 3);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_dec(x_168);
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_35);
-x_215 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_215, 0, x_138);
-lean_ctor_set(x_215, 1, x_212);
-lean_ctor_set(x_215, 2, x_213);
-lean_ctor_set(x_215, 3, x_214);
-x_216 = lean_st_ref_set(x_7, x_215, x_206);
-x_217 = lean_ctor_get(x_216, 1);
-lean_inc(x_217);
-lean_dec(x_216);
-x_139 = x_217;
-goto block_164;
-}
-}
-else
-{
-lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; 
-x_218 = lean_ctor_get(x_138, 0);
-x_219 = lean_ctor_get(x_138, 1);
-x_220 = lean_ctor_get(x_138, 2);
-x_221 = lean_ctor_get(x_138, 3);
-x_222 = lean_ctor_get(x_138, 4);
-x_223 = lean_ctor_get(x_138, 5);
-x_224 = lean_ctor_get(x_138, 6);
-x_225 = lean_ctor_get(x_138, 7);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_dec(x_138);
-x_226 = lean_ctor_get(x_168, 1);
-lean_inc(x_226);
-x_227 = lean_ctor_get(x_168, 2);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_168, 3);
-lean_inc(x_228);
-if (lean_is_exclusive(x_168)) {
- lean_ctor_release(x_168, 0);
- lean_ctor_release(x_168, 1);
- lean_ctor_release(x_168, 2);
- lean_ctor_release(x_168, 3);
- x_229 = x_168;
-} else {
- lean_dec_ref(x_168);
- x_229 = lean_box(0);
-}
-x_230 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_230, 0, x_218);
-lean_ctor_set(x_230, 1, x_219);
-lean_ctor_set(x_230, 2, x_220);
-lean_ctor_set(x_230, 3, x_221);
-lean_ctor_set(x_230, 4, x_222);
-lean_ctor_set(x_230, 5, x_223);
-lean_ctor_set(x_230, 6, x_224);
-lean_ctor_set(x_230, 7, x_225);
-lean_ctor_set_uint8(x_230, sizeof(void*)*8, x_35);
-if (lean_is_scalar(x_229)) {
- x_231 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_231 = x_229;
-}
-lean_ctor_set(x_231, 0, x_230);
-lean_ctor_set(x_231, 1, x_226);
-lean_ctor_set(x_231, 2, x_227);
-lean_ctor_set(x_231, 3, x_228);
-x_232 = lean_st_ref_set(x_7, x_231, x_206);
-x_233 = lean_ctor_get(x_232, 1);
-lean_inc(x_233);
-lean_dec(x_232);
-x_139 = x_233;
-goto block_164;
-}
-}
-block_164:
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-x_140 = lean_st_ref_take(x_9, x_139);
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_140, 1);
-lean_inc(x_142);
-lean_dec(x_140);
-x_143 = !lean_is_exclusive(x_141);
-if (x_143 == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
-x_144 = lean_ctor_get(x_141, 2);
-lean_dec(x_144);
-x_145 = lean_ctor_get(x_141, 1);
-lean_dec(x_145);
-x_146 = lean_ctor_get(x_137, 1);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_137, 2);
-lean_inc(x_147);
-lean_dec(x_137);
-lean_ctor_set(x_141, 2, x_147);
-lean_ctor_set(x_141, 1, x_146);
-x_148 = lean_st_ref_set(x_9, x_141, x_142);
-x_149 = lean_ctor_get(x_148, 1);
-lean_inc(x_149);
-lean_dec(x_148);
-x_150 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_151 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_150, x_6, x_7, x_8, x_9, x_149);
-return x_151;
-}
-else
-{
-lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
-x_152 = lean_ctor_get(x_141, 0);
-x_153 = lean_ctor_get(x_141, 3);
-x_154 = lean_ctor_get(x_141, 4);
-x_155 = lean_ctor_get(x_141, 5);
-x_156 = lean_ctor_get(x_141, 6);
-lean_inc(x_156);
-lean_inc(x_155);
-lean_inc(x_154);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_dec(x_141);
-x_157 = lean_ctor_get(x_137, 1);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_137, 2);
-lean_inc(x_158);
-lean_dec(x_137);
-x_159 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_159, 0, x_152);
-lean_ctor_set(x_159, 1, x_157);
-lean_ctor_set(x_159, 2, x_158);
-lean_ctor_set(x_159, 3, x_153);
-lean_ctor_set(x_159, 4, x_154);
-lean_ctor_set(x_159, 5, x_155);
-lean_ctor_set(x_159, 6, x_156);
-x_160 = lean_st_ref_set(x_9, x_159, x_142);
-x_161 = lean_ctor_get(x_160, 1);
-lean_inc(x_161);
-lean_dec(x_160);
-x_162 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_163 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_162, x_6, x_7, x_8, x_9, x_161);
-return x_163;
+ x_141 = x_140;
 }
+lean_ctor_set(x_141, 0, x_135);
+lean_ctor_set(x_141, 1, x_95);
+lean_ctor_set(x_141, 2, x_96);
+lean_ctor_set(x_141, 3, x_136);
+lean_ctor_set(x_141, 4, x_137);
+lean_ctor_set(x_141, 5, x_138);
+lean_ctor_set(x_141, 6, x_139);
+x_142 = lean_st_ref_set(x_9, x_141, x_134);
+x_143 = lean_ctor_get(x_142, 1);
+lean_inc(x_143);
+lean_dec(x_142);
+x_144 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_145 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_144, x_6, x_7, x_8, x_9, x_143);
+return x_145;
 }
 }
 }
 else
 {
-lean_object* x_234; 
+lean_object* x_146; 
 lean_dec(x_1);
-x_234 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_234, 0, x_2);
-lean_ctor_set(x_234, 1, x_10);
-return x_234;
+x_146 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_146, 0, x_2);
+lean_ctor_set(x_146, 1, x_10);
+return x_146;
 }
 }
 }
@@ -14245,7 +12366,7 @@ x_33 = l_Lean_MetavarContext_elimMVarDeps(x_1, x_2, x_3, x_29, x_32);
 lean_dec(x_29);
 if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 x_34 = lean_ctor_get(x_33, 1);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 0);
@@ -14253,717 +12374,361 @@ lean_inc(x_35);
 lean_dec(x_33);
 x_36 = lean_ctor_get(x_34, 0);
 lean_inc(x_36);
-x_64 = lean_st_ref_get(x_7, x_27);
-x_65 = lean_ctor_get(x_64, 1);
-lean_inc(x_65);
-lean_dec(x_64);
-x_66 = lean_st_ref_take(x_5, x_65);
-x_67 = lean_ctor_get(x_66, 0);
-lean_inc(x_67);
-x_68 = lean_ctor_get_uint8(x_36, sizeof(void*)*8);
-if (x_68 == 0)
+x_37 = lean_ctor_get(x_34, 1);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_34, 2);
+lean_inc(x_38);
+lean_dec(x_34);
+x_39 = lean_st_ref_get(x_7, x_27);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+lean_dec(x_39);
+x_41 = lean_st_ref_take(x_5, x_40);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = !lean_is_exclusive(x_42);
+if (x_44 == 0)
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_69 = lean_ctor_get(x_67, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_66, 1);
-lean_inc(x_70);
-lean_dec(x_66);
-x_71 = lean_ctor_get(x_36, 0);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+x_45 = lean_ctor_get(x_42, 0);
+lean_dec(x_45);
+lean_ctor_set(x_42, 0, x_36);
+x_46 = lean_st_ref_set(x_5, x_42, x_43);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_st_ref_take(x_7, x_47);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = !lean_is_exclusive(x_49);
+if (x_51 == 0)
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_52 = lean_ctor_get(x_49, 2);
+lean_dec(x_52);
+x_53 = lean_ctor_get(x_49, 1);
+lean_dec(x_53);
+lean_ctor_set(x_49, 2, x_38);
+lean_ctor_set(x_49, 1, x_37);
+x_54 = lean_st_ref_set(x_7, x_49, x_50);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+lean_ctor_set(x_54, 0, x_35);
+return x_54;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_54, 1);
+lean_inc(x_57);
+lean_dec(x_54);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_35);
+lean_ctor_set(x_58, 1, x_57);
+return x_58;
+}
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_59 = lean_ctor_get(x_49, 0);
+x_60 = lean_ctor_get(x_49, 3);
+x_61 = lean_ctor_get(x_49, 4);
+x_62 = lean_ctor_get(x_49, 5);
+x_63 = lean_ctor_get(x_49, 6);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_dec(x_49);
+x_64 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_64, 0, x_59);
+lean_ctor_set(x_64, 1, x_37);
+lean_ctor_set(x_64, 2, x_38);
+lean_ctor_set(x_64, 3, x_60);
+lean_ctor_set(x_64, 4, x_61);
+lean_ctor_set(x_64, 5, x_62);
+lean_ctor_set(x_64, 6, x_63);
+x_65 = lean_st_ref_set(x_7, x_64, x_50);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ x_67 = x_65;
+} else {
+ lean_dec_ref(x_65);
+ x_67 = lean_box(0);
+}
+if (lean_is_scalar(x_67)) {
+ x_68 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_68 = x_67;
+}
+lean_ctor_set(x_68, 0, x_35);
+lean_ctor_set(x_68, 1, x_66);
+return x_68;
+}
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_69 = lean_ctor_get(x_42, 1);
+x_70 = lean_ctor_get(x_42, 2);
+x_71 = lean_ctor_get(x_42, 3);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_36, 1);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_36, 2);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_36, 3);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_dec(x_42);
+x_72 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_72, 0, x_36);
+lean_ctor_set(x_72, 1, x_69);
+lean_ctor_set(x_72, 2, x_70);
+lean_ctor_set(x_72, 3, x_71);
+x_73 = lean_st_ref_set(x_5, x_72, x_43);
+x_74 = lean_ctor_get(x_73, 1);
 lean_inc(x_74);
-x_75 = lean_ctor_get(x_36, 4);
-lean_inc(x_75);
-x_76 = lean_ctor_get(x_36, 5);
+lean_dec(x_73);
+x_75 = lean_st_ref_take(x_7, x_74);
+x_76 = lean_ctor_get(x_75, 0);
 lean_inc(x_76);
-x_77 = lean_ctor_get(x_36, 6);
+x_77 = lean_ctor_get(x_75, 1);
 lean_inc(x_77);
-x_78 = lean_ctor_get(x_36, 7);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 0);
 lean_inc(x_78);
-lean_dec(x_36);
-x_79 = !lean_is_exclusive(x_67);
-if (x_79 == 0)
+x_79 = lean_ctor_get(x_76, 3);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_76, 4);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_76, 5);
+lean_inc(x_81);
+x_82 = lean_ctor_get(x_76, 6);
+lean_inc(x_82);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ lean_ctor_release(x_76, 2);
+ lean_ctor_release(x_76, 3);
+ lean_ctor_release(x_76, 4);
+ lean_ctor_release(x_76, 5);
+ lean_ctor_release(x_76, 6);
+ x_83 = x_76;
+} else {
+ lean_dec_ref(x_76);
+ x_83 = lean_box(0);
+}
+if (lean_is_scalar(x_83)) {
+ x_84 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_84 = x_83;
+}
+lean_ctor_set(x_84, 0, x_78);
+lean_ctor_set(x_84, 1, x_37);
+lean_ctor_set(x_84, 2, x_38);
+lean_ctor_set(x_84, 3, x_79);
+lean_ctor_set(x_84, 4, x_80);
+lean_ctor_set(x_84, 5, x_81);
+lean_ctor_set(x_84, 6, x_82);
+x_85 = lean_st_ref_set(x_7, x_84, x_77);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_88 = x_87;
+}
+lean_ctor_set(x_88, 0, x_35);
+lean_ctor_set(x_88, 1, x_86);
+return x_88;
+}
+}
+else
 {
-lean_object* x_80; uint8_t x_81; 
-x_80 = lean_ctor_get(x_67, 0);
-lean_dec(x_80);
-x_81 = !lean_is_exclusive(x_69);
-if (x_81 == 0)
-{
-lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_82 = lean_ctor_get(x_69, 7);
-lean_dec(x_82);
-x_83 = lean_ctor_get(x_69, 6);
-lean_dec(x_83);
-x_84 = lean_ctor_get(x_69, 5);
-lean_dec(x_84);
-x_85 = lean_ctor_get(x_69, 4);
-lean_dec(x_85);
-x_86 = lean_ctor_get(x_69, 3);
-lean_dec(x_86);
-x_87 = lean_ctor_get(x_69, 2);
-lean_dec(x_87);
-x_88 = lean_ctor_get(x_69, 1);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_69, 0);
-lean_dec(x_89);
-lean_ctor_set(x_69, 7, x_78);
-lean_ctor_set(x_69, 6, x_77);
-lean_ctor_set(x_69, 5, x_76);
-lean_ctor_set(x_69, 4, x_75);
-lean_ctor_set(x_69, 3, x_74);
-lean_ctor_set(x_69, 2, x_73);
-lean_ctor_set(x_69, 1, x_72);
-lean_ctor_set(x_69, 0, x_71);
-x_90 = lean_st_ref_set(x_5, x_67, x_70);
-x_91 = lean_ctor_get(x_90, 1);
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_89 = lean_ctor_get(x_33, 1);
+lean_inc(x_89);
+lean_dec(x_33);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
 lean_inc(x_91);
-lean_dec(x_90);
-x_37 = x_91;
-goto block_63;
-}
-else
-{
-uint8_t x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get_uint8(x_69, sizeof(void*)*8);
-lean_dec(x_69);
-x_93 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_93, 0, x_71);
-lean_ctor_set(x_93, 1, x_72);
-lean_ctor_set(x_93, 2, x_73);
-lean_ctor_set(x_93, 3, x_74);
-lean_ctor_set(x_93, 4, x_75);
-lean_ctor_set(x_93, 5, x_76);
-lean_ctor_set(x_93, 6, x_77);
-lean_ctor_set(x_93, 7, x_78);
-lean_ctor_set_uint8(x_93, sizeof(void*)*8, x_92);
-lean_ctor_set(x_67, 0, x_93);
-x_94 = lean_st_ref_set(x_5, x_67, x_70);
-x_95 = lean_ctor_get(x_94, 1);
-lean_inc(x_95);
-lean_dec(x_94);
-x_37 = x_95;
-goto block_63;
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_96 = lean_ctor_get(x_67, 1);
-x_97 = lean_ctor_get(x_67, 2);
-x_98 = lean_ctor_get(x_67, 3);
-lean_inc(x_98);
-lean_inc(x_97);
+x_92 = lean_ctor_get(x_89, 2);
+lean_inc(x_92);
+lean_dec(x_89);
+x_93 = lean_st_ref_get(x_7, x_27);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+lean_dec(x_93);
+x_95 = lean_st_ref_take(x_5, x_94);
+x_96 = lean_ctor_get(x_95, 0);
 lean_inc(x_96);
-lean_dec(x_67);
-x_99 = lean_ctor_get_uint8(x_69, sizeof(void*)*8);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- lean_ctor_release(x_69, 2);
- lean_ctor_release(x_69, 3);
- lean_ctor_release(x_69, 4);
- lean_ctor_release(x_69, 5);
- lean_ctor_release(x_69, 6);
- lean_ctor_release(x_69, 7);
- x_100 = x_69;
-} else {
- lean_dec_ref(x_69);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_71);
-lean_ctor_set(x_101, 1, x_72);
-lean_ctor_set(x_101, 2, x_73);
-lean_ctor_set(x_101, 3, x_74);
-lean_ctor_set(x_101, 4, x_75);
-lean_ctor_set(x_101, 5, x_76);
-lean_ctor_set(x_101, 6, x_77);
-lean_ctor_set(x_101, 7, x_78);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_5, x_102, x_70);
-x_104 = lean_ctor_get(x_103, 1);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = !lean_is_exclusive(x_96);
+if (x_98 == 0)
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
+x_99 = lean_ctor_get(x_96, 0);
+lean_dec(x_99);
+lean_ctor_set(x_96, 0, x_90);
+x_100 = lean_st_ref_set(x_5, x_96, x_97);
+x_101 = lean_ctor_get(x_100, 1);
+lean_inc(x_101);
+lean_dec(x_100);
+x_102 = lean_st_ref_take(x_7, x_101);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_102, 1);
 lean_inc(x_104);
-lean_dec(x_103);
-x_37 = x_104;
-goto block_63;
-}
-}
-else
+lean_dec(x_102);
+x_105 = !lean_is_exclusive(x_103);
+if (x_105 == 0)
 {
-lean_object* x_105; uint8_t x_106; 
-x_105 = lean_ctor_get(x_66, 1);
-lean_inc(x_105);
-lean_dec(x_66);
-x_106 = !lean_is_exclusive(x_36);
-if (x_106 == 0)
-{
-uint8_t x_107; 
-x_107 = !lean_is_exclusive(x_67);
-if (x_107 == 0)
-{
-lean_object* x_108; uint8_t x_109; lean_object* x_110; lean_object* x_111; 
-x_108 = lean_ctor_get(x_67, 0);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_106 = lean_ctor_get(x_103, 2);
+lean_dec(x_106);
+x_107 = lean_ctor_get(x_103, 1);
+lean_dec(x_107);
+lean_ctor_set(x_103, 2, x_92);
+lean_ctor_set(x_103, 1, x_91);
+x_108 = lean_st_ref_set(x_7, x_103, x_104);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
 lean_dec(x_108);
-x_109 = 1;
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_109);
-lean_ctor_set(x_67, 0, x_36);
-x_110 = lean_st_ref_set(x_5, x_67, x_105);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-lean_dec(x_110);
-x_37 = x_111;
-goto block_63;
+x_110 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_111 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_110, x_4, x_5, x_6, x_7, x_109);
+return x_111;
 }
 else
 {
-lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_112 = lean_ctor_get(x_67, 1);
-x_113 = lean_ctor_get(x_67, 2);
-x_114 = lean_ctor_get(x_67, 3);
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_112 = lean_ctor_get(x_103, 0);
+x_113 = lean_ctor_get(x_103, 3);
+x_114 = lean_ctor_get(x_103, 4);
+x_115 = lean_ctor_get(x_103, 5);
+x_116 = lean_ctor_get(x_103, 6);
+lean_inc(x_116);
+lean_inc(x_115);
 lean_inc(x_114);
 lean_inc(x_113);
 lean_inc(x_112);
-lean_dec(x_67);
-x_115 = 1;
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_115);
-x_116 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_116, 0, x_36);
-lean_ctor_set(x_116, 1, x_112);
-lean_ctor_set(x_116, 2, x_113);
-lean_ctor_set(x_116, 3, x_114);
-x_117 = lean_st_ref_set(x_5, x_116, x_105);
-x_118 = lean_ctor_get(x_117, 1);
-lean_inc(x_118);
-lean_dec(x_117);
-x_37 = x_118;
-goto block_63;
+lean_dec(x_103);
+x_117 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_117, 0, x_112);
+lean_ctor_set(x_117, 1, x_91);
+lean_ctor_set(x_117, 2, x_92);
+lean_ctor_set(x_117, 3, x_113);
+lean_ctor_set(x_117, 4, x_114);
+lean_ctor_set(x_117, 5, x_115);
+lean_ctor_set(x_117, 6, x_116);
+x_118 = lean_st_ref_set(x_7, x_117, x_104);
+x_119 = lean_ctor_get(x_118, 1);
+lean_inc(x_119);
+lean_dec(x_118);
+x_120 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_121 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_120, x_4, x_5, x_6, x_7, x_119);
+return x_121;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_119 = lean_ctor_get(x_36, 0);
-x_120 = lean_ctor_get(x_36, 1);
-x_121 = lean_ctor_get(x_36, 2);
-x_122 = lean_ctor_get(x_36, 3);
-x_123 = lean_ctor_get(x_36, 4);
-x_124 = lean_ctor_get(x_36, 5);
-x_125 = lean_ctor_get(x_36, 6);
-x_126 = lean_ctor_get(x_36, 7);
-lean_inc(x_126);
-lean_inc(x_125);
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+x_122 = lean_ctor_get(x_96, 1);
+x_123 = lean_ctor_get(x_96, 2);
+x_124 = lean_ctor_get(x_96, 3);
 lean_inc(x_124);
 lean_inc(x_123);
 lean_inc(x_122);
-lean_inc(x_121);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_36);
-x_127 = lean_ctor_get(x_67, 1);
+lean_dec(x_96);
+x_125 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_125, 0, x_90);
+lean_ctor_set(x_125, 1, x_122);
+lean_ctor_set(x_125, 2, x_123);
+lean_ctor_set(x_125, 3, x_124);
+x_126 = lean_st_ref_set(x_5, x_125, x_97);
+x_127 = lean_ctor_get(x_126, 1);
 lean_inc(x_127);
-x_128 = lean_ctor_get(x_67, 2);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_67, 3);
+lean_dec(x_126);
+x_128 = lean_st_ref_take(x_7, x_127);
+x_129 = lean_ctor_get(x_128, 0);
 lean_inc(x_129);
-if (lean_is_exclusive(x_67)) {
- lean_ctor_release(x_67, 0);
- lean_ctor_release(x_67, 1);
- lean_ctor_release(x_67, 2);
- lean_ctor_release(x_67, 3);
- x_130 = x_67;
-} else {
- lean_dec_ref(x_67);
- x_130 = lean_box(0);
-}
-x_131 = 1;
-x_132 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_132, 0, x_119);
-lean_ctor_set(x_132, 1, x_120);
-lean_ctor_set(x_132, 2, x_121);
-lean_ctor_set(x_132, 3, x_122);
-lean_ctor_set(x_132, 4, x_123);
-lean_ctor_set(x_132, 5, x_124);
-lean_ctor_set(x_132, 6, x_125);
-lean_ctor_set(x_132, 7, x_126);
-lean_ctor_set_uint8(x_132, sizeof(void*)*8, x_131);
-if (lean_is_scalar(x_130)) {
- x_133 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_133 = x_130;
-}
-lean_ctor_set(x_133, 0, x_132);
-lean_ctor_set(x_133, 1, x_127);
-lean_ctor_set(x_133, 2, x_128);
-lean_ctor_set(x_133, 3, x_129);
-x_134 = lean_st_ref_set(x_5, x_133, x_105);
-x_135 = lean_ctor_get(x_134, 1);
+x_130 = lean_ctor_get(x_128, 1);
+lean_inc(x_130);
+lean_dec(x_128);
+x_131 = lean_ctor_get(x_129, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_129, 3);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_129, 4);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_129, 5);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_129, 6);
 lean_inc(x_135);
-lean_dec(x_134);
-x_37 = x_135;
-goto block_63;
-}
-}
-block_63:
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_38 = lean_st_ref_take(x_7, x_37);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = !lean_is_exclusive(x_39);
-if (x_41 == 0)
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_42 = lean_ctor_get(x_39, 2);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_39, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_34, 1);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_34, 2);
-lean_inc(x_45);
-lean_dec(x_34);
-lean_ctor_set(x_39, 2, x_45);
-lean_ctor_set(x_39, 1, x_44);
-x_46 = lean_st_ref_set(x_7, x_39, x_40);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-lean_ctor_set(x_46, 0, x_35);
-return x_46;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_46, 1);
-lean_inc(x_49);
-lean_dec(x_46);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_35);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_51 = lean_ctor_get(x_39, 0);
-x_52 = lean_ctor_get(x_39, 3);
-x_53 = lean_ctor_get(x_39, 4);
-x_54 = lean_ctor_get(x_39, 5);
-x_55 = lean_ctor_get(x_39, 6);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_39);
-x_56 = lean_ctor_get(x_34, 1);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_34, 2);
-lean_inc(x_57);
-lean_dec(x_34);
-x_58 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_58, 0, x_51);
-lean_ctor_set(x_58, 1, x_56);
-lean_ctor_set(x_58, 2, x_57);
-lean_ctor_set(x_58, 3, x_52);
-lean_ctor_set(x_58, 4, x_53);
-lean_ctor_set(x_58, 5, x_54);
-lean_ctor_set(x_58, 6, x_55);
-x_59 = lean_st_ref_set(x_7, x_58, x_40);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
+if (lean_is_exclusive(x_129)) {
+ lean_ctor_release(x_129, 0);
+ lean_ctor_release(x_129, 1);
+ lean_ctor_release(x_129, 2);
+ lean_ctor_release(x_129, 3);
+ lean_ctor_release(x_129, 4);
+ lean_ctor_release(x_129, 5);
+ lean_ctor_release(x_129, 6);
+ x_136 = x_129;
 } else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
+ lean_dec_ref(x_129);
+ x_136 = lean_box(0);
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_62 = x_61;
+ x_137 = x_136;
 }
-lean_ctor_set(x_62, 0, x_35);
-lean_ctor_set(x_62, 1, x_60);
-return x_62;
+lean_ctor_set(x_137, 0, x_131);
+lean_ctor_set(x_137, 1, x_91);
+lean_ctor_set(x_137, 2, x_92);
+lean_ctor_set(x_137, 3, x_132);
+lean_ctor_set(x_137, 4, x_133);
+lean_ctor_set(x_137, 5, x_134);
+lean_ctor_set(x_137, 6, x_135);
+x_138 = lean_st_ref_set(x_7, x_137, x_130);
+x_139 = lean_ctor_get(x_138, 1);
+lean_inc(x_139);
+lean_dec(x_138);
+x_140 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
+x_141 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_140, x_4, x_5, x_6, x_7, x_139);
+return x_141;
 }
 }
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
-x_136 = lean_ctor_get(x_33, 1);
-lean_inc(x_136);
-lean_dec(x_33);
-x_137 = lean_ctor_get(x_136, 0);
-lean_inc(x_137);
-x_164 = lean_st_ref_get(x_7, x_27);
-x_165 = lean_ctor_get(x_164, 1);
-lean_inc(x_165);
-lean_dec(x_164);
-x_166 = lean_st_ref_take(x_5, x_165);
-x_167 = lean_ctor_get(x_166, 0);
-lean_inc(x_167);
-x_168 = lean_ctor_get_uint8(x_137, sizeof(void*)*8);
-if (x_168 == 0)
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; uint8_t x_179; 
-x_169 = lean_ctor_get(x_167, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_166, 1);
-lean_inc(x_170);
-lean_dec(x_166);
-x_171 = lean_ctor_get(x_137, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_137, 1);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_137, 2);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_137, 3);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_137, 4);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_137, 5);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_137, 6);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_137, 7);
-lean_inc(x_178);
-lean_dec(x_137);
-x_179 = !lean_is_exclusive(x_167);
-if (x_179 == 0)
-{
-lean_object* x_180; uint8_t x_181; 
-x_180 = lean_ctor_get(x_167, 0);
-lean_dec(x_180);
-x_181 = !lean_is_exclusive(x_169);
-if (x_181 == 0)
-{
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-x_182 = lean_ctor_get(x_169, 7);
-lean_dec(x_182);
-x_183 = lean_ctor_get(x_169, 6);
-lean_dec(x_183);
-x_184 = lean_ctor_get(x_169, 5);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_169, 4);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_169, 3);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_169, 2);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_169, 1);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_169, 0);
-lean_dec(x_189);
-lean_ctor_set(x_169, 7, x_178);
-lean_ctor_set(x_169, 6, x_177);
-lean_ctor_set(x_169, 5, x_176);
-lean_ctor_set(x_169, 4, x_175);
-lean_ctor_set(x_169, 3, x_174);
-lean_ctor_set(x_169, 2, x_173);
-lean_ctor_set(x_169, 1, x_172);
-lean_ctor_set(x_169, 0, x_171);
-x_190 = lean_st_ref_set(x_5, x_167, x_170);
-x_191 = lean_ctor_get(x_190, 1);
-lean_inc(x_191);
-lean_dec(x_190);
-x_138 = x_191;
-goto block_163;
-}
-else
-{
-uint8_t x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; 
-x_192 = lean_ctor_get_uint8(x_169, sizeof(void*)*8);
-lean_dec(x_169);
-x_193 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_193, 0, x_171);
-lean_ctor_set(x_193, 1, x_172);
-lean_ctor_set(x_193, 2, x_173);
-lean_ctor_set(x_193, 3, x_174);
-lean_ctor_set(x_193, 4, x_175);
-lean_ctor_set(x_193, 5, x_176);
-lean_ctor_set(x_193, 6, x_177);
-lean_ctor_set(x_193, 7, x_178);
-lean_ctor_set_uint8(x_193, sizeof(void*)*8, x_192);
-lean_ctor_set(x_167, 0, x_193);
-x_194 = lean_st_ref_set(x_5, x_167, x_170);
-x_195 = lean_ctor_get(x_194, 1);
-lean_inc(x_195);
-lean_dec(x_194);
-x_138 = x_195;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; 
-x_196 = lean_ctor_get(x_167, 1);
-x_197 = lean_ctor_get(x_167, 2);
-x_198 = lean_ctor_get(x_167, 3);
-lean_inc(x_198);
-lean_inc(x_197);
-lean_inc(x_196);
-lean_dec(x_167);
-x_199 = lean_ctor_get_uint8(x_169, sizeof(void*)*8);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- lean_ctor_release(x_169, 2);
- lean_ctor_release(x_169, 3);
- lean_ctor_release(x_169, 4);
- lean_ctor_release(x_169, 5);
- lean_ctor_release(x_169, 6);
- lean_ctor_release(x_169, 7);
- x_200 = x_169;
-} else {
- lean_dec_ref(x_169);
- x_200 = lean_box(0);
-}
-if (lean_is_scalar(x_200)) {
- x_201 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_201 = x_200;
-}
-lean_ctor_set(x_201, 0, x_171);
-lean_ctor_set(x_201, 1, x_172);
-lean_ctor_set(x_201, 2, x_173);
-lean_ctor_set(x_201, 3, x_174);
-lean_ctor_set(x_201, 4, x_175);
-lean_ctor_set(x_201, 5, x_176);
-lean_ctor_set(x_201, 6, x_177);
-lean_ctor_set(x_201, 7, x_178);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_199);
-x_202 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_202, 0, x_201);
-lean_ctor_set(x_202, 1, x_196);
-lean_ctor_set(x_202, 2, x_197);
-lean_ctor_set(x_202, 3, x_198);
-x_203 = lean_st_ref_set(x_5, x_202, x_170);
-x_204 = lean_ctor_get(x_203, 1);
-lean_inc(x_204);
-lean_dec(x_203);
-x_138 = x_204;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_205; uint8_t x_206; 
-x_205 = lean_ctor_get(x_166, 1);
-lean_inc(x_205);
-lean_dec(x_166);
-x_206 = !lean_is_exclusive(x_137);
-if (x_206 == 0)
-{
-uint8_t x_207; 
-x_207 = !lean_is_exclusive(x_167);
-if (x_207 == 0)
-{
-lean_object* x_208; uint8_t x_209; lean_object* x_210; lean_object* x_211; 
-x_208 = lean_ctor_get(x_167, 0);
-lean_dec(x_208);
-x_209 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_209);
-lean_ctor_set(x_167, 0, x_137);
-x_210 = lean_st_ref_set(x_5, x_167, x_205);
-x_211 = lean_ctor_get(x_210, 1);
-lean_inc(x_211);
-lean_dec(x_210);
-x_138 = x_211;
-goto block_163;
-}
-else
-{
-lean_object* x_212; lean_object* x_213; lean_object* x_214; uint8_t x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; 
-x_212 = lean_ctor_get(x_167, 1);
-x_213 = lean_ctor_get(x_167, 2);
-x_214 = lean_ctor_get(x_167, 3);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_dec(x_167);
-x_215 = 1;
-lean_ctor_set_uint8(x_137, sizeof(void*)*8, x_215);
-x_216 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_216, 0, x_137);
-lean_ctor_set(x_216, 1, x_212);
-lean_ctor_set(x_216, 2, x_213);
-lean_ctor_set(x_216, 3, x_214);
-x_217 = lean_st_ref_set(x_5, x_216, x_205);
-x_218 = lean_ctor_get(x_217, 1);
-lean_inc(x_218);
-lean_dec(x_217);
-x_138 = x_218;
-goto block_163;
-}
-}
-else
-{
-lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; uint8_t x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; 
-x_219 = lean_ctor_get(x_137, 0);
-x_220 = lean_ctor_get(x_137, 1);
-x_221 = lean_ctor_get(x_137, 2);
-x_222 = lean_ctor_get(x_137, 3);
-x_223 = lean_ctor_get(x_137, 4);
-x_224 = lean_ctor_get(x_137, 5);
-x_225 = lean_ctor_get(x_137, 6);
-x_226 = lean_ctor_get(x_137, 7);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_dec(x_137);
-x_227 = lean_ctor_get(x_167, 1);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_167, 2);
-lean_inc(x_228);
-x_229 = lean_ctor_get(x_167, 3);
-lean_inc(x_229);
-if (lean_is_exclusive(x_167)) {
- lean_ctor_release(x_167, 0);
- lean_ctor_release(x_167, 1);
- lean_ctor_release(x_167, 2);
- lean_ctor_release(x_167, 3);
- x_230 = x_167;
-} else {
- lean_dec_ref(x_167);
- x_230 = lean_box(0);
-}
-x_231 = 1;
-x_232 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_232, 0, x_219);
-lean_ctor_set(x_232, 1, x_220);
-lean_ctor_set(x_232, 2, x_221);
-lean_ctor_set(x_232, 3, x_222);
-lean_ctor_set(x_232, 4, x_223);
-lean_ctor_set(x_232, 5, x_224);
-lean_ctor_set(x_232, 6, x_225);
-lean_ctor_set(x_232, 7, x_226);
-lean_ctor_set_uint8(x_232, sizeof(void*)*8, x_231);
-if (lean_is_scalar(x_230)) {
- x_233 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_233 = x_230;
-}
-lean_ctor_set(x_233, 0, x_232);
-lean_ctor_set(x_233, 1, x_227);
-lean_ctor_set(x_233, 2, x_228);
-lean_ctor_set(x_233, 3, x_229);
-x_234 = lean_st_ref_set(x_5, x_233, x_205);
-x_235 = lean_ctor_get(x_234, 1);
-lean_inc(x_235);
-lean_dec(x_234);
-x_138 = x_235;
-goto block_163;
-}
-}
-block_163:
-{
-lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
-x_139 = lean_st_ref_take(x_7, x_138);
-x_140 = lean_ctor_get(x_139, 0);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_139, 1);
-lean_inc(x_141);
-lean_dec(x_139);
-x_142 = !lean_is_exclusive(x_140);
-if (x_142 == 0)
-{
-lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_143 = lean_ctor_get(x_140, 2);
-lean_dec(x_143);
-x_144 = lean_ctor_get(x_140, 1);
-lean_dec(x_144);
-x_145 = lean_ctor_get(x_136, 1);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_136, 2);
-lean_inc(x_146);
-lean_dec(x_136);
-lean_ctor_set(x_140, 2, x_146);
-lean_ctor_set(x_140, 1, x_145);
-x_147 = lean_st_ref_set(x_7, x_140, x_141);
-x_148 = lean_ctor_get(x_147, 1);
-lean_inc(x_148);
-lean_dec(x_147);
-x_149 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_150 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_149, x_4, x_5, x_6, x_7, x_148);
-return x_150;
-}
-else
-{
-lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_151 = lean_ctor_get(x_140, 0);
-x_152 = lean_ctor_get(x_140, 3);
-x_153 = lean_ctor_get(x_140, 4);
-x_154 = lean_ctor_get(x_140, 5);
-x_155 = lean_ctor_get(x_140, 6);
-lean_inc(x_155);
-lean_inc(x_154);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_inc(x_151);
-lean_dec(x_140);
-x_156 = lean_ctor_get(x_136, 1);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_136, 2);
-lean_inc(x_157);
-lean_dec(x_136);
-x_158 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_158, 0, x_151);
-lean_ctor_set(x_158, 1, x_156);
-lean_ctor_set(x_158, 2, x_157);
-lean_ctor_set(x_158, 3, x_152);
-lean_ctor_set(x_158, 4, x_153);
-lean_ctor_set(x_158, 5, x_154);
-lean_ctor_set(x_158, 6, x_155);
-x_159 = lean_st_ref_set(x_7, x_158, x_141);
-x_160 = lean_ctor_get(x_159, 1);
-lean_inc(x_160);
-lean_dec(x_159);
-x_161 = l_Lean_Meta_liftMkBindingM___rarg___closed__2;
-x_162 = l_Lean_throwError___at_Lean_Expr_abstractRangeM___spec__1(x_161, x_4, x_5, x_6, x_7, x_160);
-return x_162;
-}
-}
-}
-}
-else
-{
-lean_object* x_236; 
+lean_object* x_142; 
 lean_dec(x_1);
-x_236 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_236, 0, x_2);
-lean_ctor_set(x_236, 1, x_8);
-return x_236;
+x_142 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_142, 0, x_2);
+lean_ctor_set(x_142, 1, x_8);
+return x_142;
 }
 }
 }
@@ -18293,213 +16058,6 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg___boxed), 4, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_1);
-lean_ctor_set(x_8, 1, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -18512,88 +16070,31 @@ x_9 = lean_st_ref_get(x_3, x_8);
 x_10 = !lean_is_exclusive(x_9);
 if (x_10 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
 x_11 = lean_ctor_get(x_9, 0);
-x_12 = lean_ctor_get(x_9, 1);
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_13);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
 lean_dec(x_11);
-x_14 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_13, x_1);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_ctor_set(x_9, 0, x_14);
+x_13 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_12, x_1);
+lean_ctor_set(x_9, 0, x_13);
 return x_9;
 }
 else
 {
-lean_object* x_15; uint8_t x_16; 
-lean_free_object(x_9);
-x_15 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_12);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-lean_ctor_set(x_15, 0, x_14);
-return x_15;
-}
-else
-{
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_ctor_get(x_15, 1);
-lean_inc(x_18);
-lean_dec(x_15);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_14);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
-}
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_9, 0);
-x_21 = lean_ctor_get(x_9, 1);
-lean_inc(x_21);
-lean_inc(x_20);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_9, 0);
+x_15 = lean_ctor_get(x_9, 1);
+lean_inc(x_15);
+lean_inc(x_14);
 lean_dec(x_9);
-x_22 = lean_ctor_get(x_20, 0);
-lean_inc(x_22);
-lean_dec(x_20);
-x_23 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_22, x_1);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; 
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_21);
-return x_24;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_25 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_21);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- x_27 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_27 = lean_box(0);
-}
-if (lean_is_scalar(x_27)) {
- x_28 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_28 = x_27;
-}
-lean_ctor_set(x_28, 0, x_23);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
-}
+x_16 = lean_ctor_get(x_14, 0);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_16, x_1);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_15);
+return x_18;
 }
 }
 }
@@ -18750,39 +16251,6 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -18877,73 +16345,68 @@ return x_27;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
 x_28 = lean_ctor_get(x_16, 0);
 x_29 = lean_ctor_get(x_16, 1);
 x_30 = lean_ctor_get(x_16, 3);
 x_31 = lean_ctor_get(x_16, 4);
 x_32 = lean_ctor_get(x_16, 5);
-x_33 = lean_ctor_get(x_16, 6);
-lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_dec(x_16);
-x_34 = l_Lean_Meta_Cache_synthInstance___default___closed__1;
-x_35 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_35, 0, x_28);
-lean_ctor_set(x_35, 1, x_29);
-lean_ctor_set(x_35, 2, x_34);
-lean_ctor_set(x_35, 3, x_30);
-lean_ctor_set(x_35, 4, x_31);
-lean_ctor_set(x_35, 5, x_32);
-lean_ctor_set(x_35, 6, x_33);
-lean_ctor_set(x_15, 1, x_35);
-x_36 = lean_st_ref_set(x_1, x_15, x_17);
-x_37 = lean_ctor_get(x_36, 1);
-lean_inc(x_37);
-if (lean_is_exclusive(x_36)) {
- lean_ctor_release(x_36, 0);
- lean_ctor_release(x_36, 1);
- x_38 = x_36;
+x_33 = l_Lean_Meta_Cache_synthInstance___default___closed__1;
+x_34 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_29);
+lean_ctor_set(x_34, 2, x_33);
+lean_ctor_set(x_34, 3, x_30);
+lean_ctor_set(x_34, 4, x_31);
+lean_ctor_set(x_34, 5, x_32);
+lean_ctor_set(x_15, 1, x_34);
+x_35 = lean_st_ref_set(x_1, x_15, x_17);
+x_36 = lean_ctor_get(x_35, 1);
+lean_inc(x_36);
+if (lean_is_exclusive(x_35)) {
+ lean_ctor_release(x_35, 0);
+ lean_ctor_release(x_35, 1);
+ x_37 = x_35;
 } else {
- lean_dec_ref(x_36);
- x_38 = lean_box(0);
+ lean_dec_ref(x_35);
+ x_37 = lean_box(0);
 }
-if (lean_is_scalar(x_38)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_37)) {
+ x_38 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_39 = x_38;
+ x_38 = x_37;
 }
-lean_ctor_set(x_39, 0, x_11);
-lean_ctor_set(x_39, 1, x_37);
-return x_39;
+lean_ctor_set(x_38, 0, x_11);
+lean_ctor_set(x_38, 1, x_36);
+return x_38;
 }
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_40 = lean_ctor_get(x_15, 0);
-x_41 = lean_ctor_get(x_15, 2);
-x_42 = lean_ctor_get(x_15, 3);
-lean_inc(x_42);
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_39 = lean_ctor_get(x_15, 0);
+x_40 = lean_ctor_get(x_15, 2);
+x_41 = lean_ctor_get(x_15, 3);
 lean_inc(x_41);
 lean_inc(x_40);
+lean_inc(x_39);
 lean_dec(x_15);
-x_43 = lean_ctor_get(x_16, 0);
+x_42 = lean_ctor_get(x_16, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_16, 1);
 lean_inc(x_43);
-x_44 = lean_ctor_get(x_16, 1);
+x_44 = lean_ctor_get(x_16, 3);
 lean_inc(x_44);
-x_45 = lean_ctor_get(x_16, 3);
+x_45 = lean_ctor_get(x_16, 4);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_16, 4);
+x_46 = lean_ctor_get(x_16, 5);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_16, 5);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_16, 6);
-lean_inc(x_48);
 if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 0);
  lean_ctor_release(x_16, 1);
@@ -18951,49 +16414,47 @@ if (lean_is_exclusive(x_16)) {
  lean_ctor_release(x_16, 3);
  lean_ctor_release(x_16, 4);
  lean_ctor_release(x_16, 5);
- lean_ctor_release(x_16, 6);
- x_49 = x_16;
+ x_47 = x_16;
 } else {
  lean_dec_ref(x_16);
- x_49 = lean_box(0);
+ x_47 = lean_box(0);
 }
-x_50 = l_Lean_Meta_Cache_synthInstance___default___closed__1;
-if (lean_is_scalar(x_49)) {
- x_51 = lean_alloc_ctor(0, 7, 0);
+x_48 = l_Lean_Meta_Cache_synthInstance___default___closed__1;
+if (lean_is_scalar(x_47)) {
+ x_49 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_51 = x_49;
+ x_49 = x_47;
 }
-lean_ctor_set(x_51, 0, x_43);
-lean_ctor_set(x_51, 1, x_44);
-lean_ctor_set(x_51, 2, x_50);
-lean_ctor_set(x_51, 3, x_45);
-lean_ctor_set(x_51, 4, x_46);
-lean_ctor_set(x_51, 5, x_47);
-lean_ctor_set(x_51, 6, x_48);
-x_52 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_52, 0, x_40);
-lean_ctor_set(x_52, 1, x_51);
-lean_ctor_set(x_52, 2, x_41);
-lean_ctor_set(x_52, 3, x_42);
-x_53 = lean_st_ref_set(x_1, x_52, x_17);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_53)) {
- lean_ctor_release(x_53, 0);
- lean_ctor_release(x_53, 1);
- x_55 = x_53;
+lean_ctor_set(x_49, 0, x_42);
+lean_ctor_set(x_49, 1, x_43);
+lean_ctor_set(x_49, 2, x_48);
+lean_ctor_set(x_49, 3, x_44);
+lean_ctor_set(x_49, 4, x_45);
+lean_ctor_set(x_49, 5, x_46);
+x_50 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_50, 0, x_39);
+lean_ctor_set(x_50, 1, x_49);
+lean_ctor_set(x_50, 2, x_40);
+lean_ctor_set(x_50, 3, x_41);
+x_51 = lean_st_ref_set(x_1, x_50, x_17);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_53 = x_51;
 } else {
- lean_dec_ref(x_53);
- x_55 = lean_box(0);
+ lean_dec_ref(x_51);
+ x_53 = lean_box(0);
 }
-if (lean_is_scalar(x_55)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_53)) {
+ x_54 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_56 = x_55;
+ x_54 = x_53;
 }
-lean_ctor_set(x_56, 0, x_11);
-lean_ctor_set(x_56, 1, x_54);
-return x_56;
+lean_ctor_set(x_54, 0, x_11);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
 }
 }
 }
@@ -19080,73 +16541,68 @@ return x_23;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
 x_24 = lean_ctor_get(x_11, 0);
 x_25 = lean_ctor_get(x_11, 1);
 x_26 = lean_ctor_get(x_11, 3);
 x_27 = lean_ctor_get(x_11, 4);
 x_28 = lean_ctor_get(x_11, 5);
-x_29 = lean_ctor_get(x_11, 6);
-lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
 lean_dec(x_11);
-x_30 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_30, 0, x_24);
-lean_ctor_set(x_30, 1, x_25);
-lean_ctor_set(x_30, 2, x_1);
-lean_ctor_set(x_30, 3, x_26);
-lean_ctor_set(x_30, 4, x_27);
-lean_ctor_set(x_30, 5, x_28);
-lean_ctor_set(x_30, 6, x_29);
-lean_ctor_set(x_10, 1, x_30);
-x_31 = lean_st_ref_set(x_3, x_10, x_12);
-x_32 = lean_ctor_get(x_31, 1);
-lean_inc(x_32);
-if (lean_is_exclusive(x_31)) {
- lean_ctor_release(x_31, 0);
- lean_ctor_release(x_31, 1);
- x_33 = x_31;
+x_29 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_29, 0, x_24);
+lean_ctor_set(x_29, 1, x_25);
+lean_ctor_set(x_29, 2, x_1);
+lean_ctor_set(x_29, 3, x_26);
+lean_ctor_set(x_29, 4, x_27);
+lean_ctor_set(x_29, 5, x_28);
+lean_ctor_set(x_10, 1, x_29);
+x_30 = lean_st_ref_set(x_3, x_10, x_12);
+x_31 = lean_ctor_get(x_30, 1);
+lean_inc(x_31);
+if (lean_is_exclusive(x_30)) {
+ lean_ctor_release(x_30, 0);
+ lean_ctor_release(x_30, 1);
+ x_32 = x_30;
 } else {
- lean_dec_ref(x_31);
- x_33 = lean_box(0);
+ lean_dec_ref(x_30);
+ x_32 = lean_box(0);
 }
-x_34 = lean_box(0);
-if (lean_is_scalar(x_33)) {
- x_35 = lean_alloc_ctor(0, 2, 0);
+x_33 = lean_box(0);
+if (lean_is_scalar(x_32)) {
+ x_34 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_35 = x_33;
+ x_34 = x_32;
 }
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_31);
+return x_34;
 }
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_36 = lean_ctor_get(x_10, 0);
-x_37 = lean_ctor_get(x_10, 2);
-x_38 = lean_ctor_get(x_10, 3);
-lean_inc(x_38);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_35 = lean_ctor_get(x_10, 0);
+x_36 = lean_ctor_get(x_10, 2);
+x_37 = lean_ctor_get(x_10, 3);
 lean_inc(x_37);
 lean_inc(x_36);
+lean_inc(x_35);
 lean_dec(x_10);
-x_39 = lean_ctor_get(x_11, 0);
+x_38 = lean_ctor_get(x_11, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_11, 1);
 lean_inc(x_39);
-x_40 = lean_ctor_get(x_11, 1);
+x_40 = lean_ctor_get(x_11, 3);
 lean_inc(x_40);
-x_41 = lean_ctor_get(x_11, 3);
+x_41 = lean_ctor_get(x_11, 4);
 lean_inc(x_41);
-x_42 = lean_ctor_get(x_11, 4);
+x_42 = lean_ctor_get(x_11, 5);
 lean_inc(x_42);
-x_43 = lean_ctor_get(x_11, 5);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_11, 6);
-lean_inc(x_44);
 if (lean_is_exclusive(x_11)) {
  lean_ctor_release(x_11, 0);
  lean_ctor_release(x_11, 1);
@@ -19154,49 +16610,47 @@ if (lean_is_exclusive(x_11)) {
  lean_ctor_release(x_11, 3);
  lean_ctor_release(x_11, 4);
  lean_ctor_release(x_11, 5);
- lean_ctor_release(x_11, 6);
- x_45 = x_11;
+ x_43 = x_11;
 } else {
  lean_dec_ref(x_11);
- x_45 = lean_box(0);
+ x_43 = lean_box(0);
 }
-if (lean_is_scalar(x_45)) {
- x_46 = lean_alloc_ctor(0, 7, 0);
+if (lean_is_scalar(x_43)) {
+ x_44 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_46 = x_45;
+ x_44 = x_43;
 }
-lean_ctor_set(x_46, 0, x_39);
-lean_ctor_set(x_46, 1, x_40);
-lean_ctor_set(x_46, 2, x_1);
-lean_ctor_set(x_46, 3, x_41);
-lean_ctor_set(x_46, 4, x_42);
-lean_ctor_set(x_46, 5, x_43);
-lean_ctor_set(x_46, 6, x_44);
-x_47 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_47, 0, x_36);
-lean_ctor_set(x_47, 1, x_46);
-lean_ctor_set(x_47, 2, x_37);
-lean_ctor_set(x_47, 3, x_38);
-x_48 = lean_st_ref_set(x_3, x_47, x_12);
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
-if (lean_is_exclusive(x_48)) {
- lean_ctor_release(x_48, 0);
- lean_ctor_release(x_48, 1);
+lean_ctor_set(x_44, 0, x_38);
+lean_ctor_set(x_44, 1, x_39);
+lean_ctor_set(x_44, 2, x_1);
+lean_ctor_set(x_44, 3, x_40);
+lean_ctor_set(x_44, 4, x_41);
+lean_ctor_set(x_44, 5, x_42);
+x_45 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_45, 0, x_35);
+lean_ctor_set(x_45, 1, x_44);
+lean_ctor_set(x_45, 2, x_36);
+lean_ctor_set(x_45, 3, x_37);
+x_46 = lean_st_ref_set(x_3, x_45, x_12);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+if (lean_is_exclusive(x_46)) {
+ lean_ctor_release(x_46, 0);
+ lean_ctor_release(x_46, 1);
+ x_48 = x_46;
+} else {
+ lean_dec_ref(x_46);
+ x_48 = lean_box(0);
+}
+x_49 = lean_box(0);
+if (lean_is_scalar(x_48)) {
+ x_50 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_50 = x_48;
-} else {
- lean_dec_ref(x_48);
- x_50 = lean_box(0);
 }
-x_51 = lean_box(0);
-if (lean_is_scalar(x_50)) {
- x_52 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_52 = x_50;
-}
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_49);
-return x_52;
+lean_ctor_set(x_50, 0, x_49);
+lean_ctor_set(x_50, 1, x_47);
+return x_50;
 }
 }
 }
@@ -24077,1364 +21531,392 @@ return x_2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewMCtxDepthImp___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
-x_20 = lean_st_ref_get(x_5, x_6);
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_st_ref_get(x_3, x_21);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_st_ref_get(x_5, x_24);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = lean_st_ref_take(x_3, x_26);
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_27, 1);
-lean_inc(x_29);
-lean_dec(x_27);
-x_30 = !lean_is_exclusive(x_28);
-if (x_30 == 0)
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_31 = lean_ctor_get(x_28, 0);
-x_32 = lean_ctor_get(x_28, 3);
-lean_dec(x_32);
-x_33 = l_Lean_MetavarContext_incDepth(x_31);
-x_34 = l_Lean_Meta_State_postponed___default___closed__3;
-lean_ctor_set(x_28, 3, x_34);
-lean_ctor_set(x_28, 0, x_33);
-x_35 = lean_st_ref_set(x_3, x_28, x_29);
-x_36 = lean_ctor_get(x_35, 1);
-lean_inc(x_36);
-lean_dec(x_35);
-x_37 = lean_ctor_get(x_23, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_23, 3);
-lean_inc(x_38);
-lean_dec(x_23);
-lean_inc(x_5);
-lean_inc(x_3);
-x_39 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_36);
-if (lean_obj_tag(x_39) == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
-lean_inc(x_41);
-lean_dec(x_39);
-x_70 = lean_st_ref_get(x_5, x_41);
-x_71 = lean_ctor_get(x_70, 1);
-lean_inc(x_71);
-lean_dec(x_70);
-x_72 = lean_st_ref_take(x_3, x_71);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get_uint8(x_37, sizeof(void*)*8);
-if (x_74 == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; 
-x_75 = lean_ctor_get(x_73, 0);
-lean_inc(x_75);
-x_76 = lean_ctor_get(x_72, 1);
-lean_inc(x_76);
-lean_dec(x_72);
-x_77 = lean_ctor_get(x_37, 0);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_37, 1);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_37, 2);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_37, 3);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_37, 4);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_37, 5);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_37, 6);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_37, 7);
-lean_inc(x_84);
-lean_dec(x_37);
-x_85 = !lean_is_exclusive(x_73);
-if (x_85 == 0)
-{
-lean_object* x_86; uint8_t x_87; 
-x_86 = lean_ctor_get(x_73, 0);
-lean_dec(x_86);
-x_87 = !lean_is_exclusive(x_75);
-if (x_87 == 0)
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_88 = lean_ctor_get(x_75, 7);
-lean_dec(x_88);
-x_89 = lean_ctor_get(x_75, 6);
-lean_dec(x_89);
-x_90 = lean_ctor_get(x_75, 5);
-lean_dec(x_90);
-x_91 = lean_ctor_get(x_75, 4);
-lean_dec(x_91);
-x_92 = lean_ctor_get(x_75, 3);
-lean_dec(x_92);
-x_93 = lean_ctor_get(x_75, 2);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_75, 1);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_75, 0);
-lean_dec(x_95);
-lean_ctor_set(x_75, 7, x_84);
-lean_ctor_set(x_75, 6, x_83);
-lean_ctor_set(x_75, 5, x_82);
-lean_ctor_set(x_75, 4, x_81);
-lean_ctor_set(x_75, 3, x_80);
-lean_ctor_set(x_75, 2, x_79);
-lean_ctor_set(x_75, 1, x_78);
-lean_ctor_set(x_75, 0, x_77);
-x_96 = lean_st_ref_set(x_3, x_73, x_76);
-x_97 = lean_ctor_get(x_96, 1);
-lean_inc(x_97);
-lean_dec(x_96);
-x_42 = x_97;
-goto block_69;
-}
-else
-{
-uint8_t x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_98 = lean_ctor_get_uint8(x_75, sizeof(void*)*8);
-lean_dec(x_75);
-x_99 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_99, 0, x_77);
-lean_ctor_set(x_99, 1, x_78);
-lean_ctor_set(x_99, 2, x_79);
-lean_ctor_set(x_99, 3, x_80);
-lean_ctor_set(x_99, 4, x_81);
-lean_ctor_set(x_99, 5, x_82);
-lean_ctor_set(x_99, 6, x_83);
-lean_ctor_set(x_99, 7, x_84);
-lean_ctor_set_uint8(x_99, sizeof(void*)*8, x_98);
-lean_ctor_set(x_73, 0, x_99);
-x_100 = lean_st_ref_set(x_3, x_73, x_76);
-x_101 = lean_ctor_get(x_100, 1);
-lean_inc(x_101);
-lean_dec(x_100);
-x_42 = x_101;
-goto block_69;
-}
-}
-else
-{
-lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_102 = lean_ctor_get(x_73, 1);
-x_103 = lean_ctor_get(x_73, 2);
-x_104 = lean_ctor_get(x_73, 3);
-lean_inc(x_104);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_dec(x_73);
-x_105 = lean_ctor_get_uint8(x_75, sizeof(void*)*8);
-if (lean_is_exclusive(x_75)) {
- lean_ctor_release(x_75, 0);
- lean_ctor_release(x_75, 1);
- lean_ctor_release(x_75, 2);
- lean_ctor_release(x_75, 3);
- lean_ctor_release(x_75, 4);
- lean_ctor_release(x_75, 5);
- lean_ctor_release(x_75, 6);
- lean_ctor_release(x_75, 7);
- x_106 = x_75;
-} else {
- lean_dec_ref(x_75);
- x_106 = lean_box(0);
-}
-if (lean_is_scalar(x_106)) {
- x_107 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_107 = x_106;
-}
-lean_ctor_set(x_107, 0, x_77);
-lean_ctor_set(x_107, 1, x_78);
-lean_ctor_set(x_107, 2, x_79);
-lean_ctor_set(x_107, 3, x_80);
-lean_ctor_set(x_107, 4, x_81);
-lean_ctor_set(x_107, 5, x_82);
-lean_ctor_set(x_107, 6, x_83);
-lean_ctor_set(x_107, 7, x_84);
-lean_ctor_set_uint8(x_107, sizeof(void*)*8, x_105);
-x_108 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_102);
-lean_ctor_set(x_108, 2, x_103);
-lean_ctor_set(x_108, 3, x_104);
-x_109 = lean_st_ref_set(x_3, x_108, x_76);
-x_110 = lean_ctor_get(x_109, 1);
-lean_inc(x_110);
-lean_dec(x_109);
-x_42 = x_110;
-goto block_69;
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_72, 1);
-lean_inc(x_111);
-lean_dec(x_72);
-x_112 = !lean_is_exclusive(x_37);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_73);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; lean_object* x_117; 
-x_114 = lean_ctor_get(x_73, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_115);
-lean_ctor_set(x_73, 0, x_37);
-x_116 = lean_st_ref_set(x_3, x_73, x_111);
-x_117 = lean_ctor_get(x_116, 1);
-lean_inc(x_117);
-lean_dec(x_116);
-x_42 = x_117;
-goto block_69;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
-x_118 = lean_ctor_get(x_73, 1);
-x_119 = lean_ctor_get(x_73, 2);
-x_120 = lean_ctor_get(x_73, 3);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_dec(x_73);
-x_121 = 1;
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_121);
-x_122 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_122, 0, x_37);
-lean_ctor_set(x_122, 1, x_118);
-lean_ctor_set(x_122, 2, x_119);
-lean_ctor_set(x_122, 3, x_120);
-x_123 = lean_st_ref_set(x_3, x_122, x_111);
-x_124 = lean_ctor_get(x_123, 1);
-lean_inc(x_124);
-lean_dec(x_123);
-x_42 = x_124;
-goto block_69;
-}
-}
-else
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_125 = lean_ctor_get(x_37, 0);
-x_126 = lean_ctor_get(x_37, 1);
-x_127 = lean_ctor_get(x_37, 2);
-x_128 = lean_ctor_get(x_37, 3);
-x_129 = lean_ctor_get(x_37, 4);
-x_130 = lean_ctor_get(x_37, 5);
-x_131 = lean_ctor_get(x_37, 6);
-x_132 = lean_ctor_get(x_37, 7);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_inc(x_126);
-lean_inc(x_125);
-lean_dec(x_37);
-x_133 = lean_ctor_get(x_73, 1);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_73, 2);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_73, 3);
-lean_inc(x_135);
-if (lean_is_exclusive(x_73)) {
- lean_ctor_release(x_73, 0);
- lean_ctor_release(x_73, 1);
- lean_ctor_release(x_73, 2);
- lean_ctor_release(x_73, 3);
- x_136 = x_73;
-} else {
- lean_dec_ref(x_73);
- x_136 = lean_box(0);
-}
-x_137 = 1;
-x_138 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_138, 0, x_125);
-lean_ctor_set(x_138, 1, x_126);
-lean_ctor_set(x_138, 2, x_127);
-lean_ctor_set(x_138, 3, x_128);
-lean_ctor_set(x_138, 4, x_129);
-lean_ctor_set(x_138, 5, x_130);
-lean_ctor_set(x_138, 6, x_131);
-lean_ctor_set(x_138, 7, x_132);
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_137);
-if (lean_is_scalar(x_136)) {
- x_139 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_139 = x_136;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_133);
-lean_ctor_set(x_139, 2, x_134);
-lean_ctor_set(x_139, 3, x_135);
-x_140 = lean_st_ref_set(x_3, x_139, x_111);
-x_141 = lean_ctor_get(x_140, 1);
-lean_inc(x_141);
-lean_dec(x_140);
-x_42 = x_141;
-goto block_69;
-}
-}
-block_69:
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-x_43 = lean_st_ref_get(x_5, x_42);
-lean_dec(x_5);
-x_44 = lean_ctor_get(x_43, 1);
-lean_inc(x_44);
-lean_dec(x_43);
-x_45 = lean_st_ref_take(x_3, x_44);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
-lean_inc(x_47);
-lean_dec(x_45);
-x_48 = !lean_is_exclusive(x_46);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; uint8_t x_51; 
-x_49 = lean_ctor_get(x_46, 3);
-lean_dec(x_49);
-lean_ctor_set(x_46, 3, x_38);
-x_50 = lean_st_ref_set(x_3, x_46, x_47);
-lean_dec(x_3);
-x_51 = !lean_is_exclusive(x_50);
-if (x_51 == 0)
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_50, 0);
-lean_dec(x_52);
-x_53 = lean_box(0);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_40);
-lean_ctor_set(x_54, 1, x_53);
-lean_ctor_set(x_50, 0, x_54);
-x_7 = x_50;
-goto block_19;
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_55 = lean_ctor_get(x_50, 1);
-lean_inc(x_55);
-lean_dec(x_50);
-x_56 = lean_box(0);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_40);
-lean_ctor_set(x_57, 1, x_56);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_55);
-x_7 = x_58;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_59 = lean_ctor_get(x_46, 0);
-x_60 = lean_ctor_get(x_46, 1);
-x_61 = lean_ctor_get(x_46, 2);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_46);
-x_62 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_62, 0, x_59);
-lean_ctor_set(x_62, 1, x_60);
-lean_ctor_set(x_62, 2, x_61);
-lean_ctor_set(x_62, 3, x_38);
-x_63 = lean_st_ref_set(x_3, x_62, x_47);
-lean_dec(x_3);
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_65 = x_63;
-} else {
- lean_dec_ref(x_63);
- x_65 = lean_box(0);
-}
-x_66 = lean_box(0);
-x_67 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_67, 0, x_40);
-lean_ctor_set(x_67, 1, x_66);
-if (lean_is_scalar(x_65)) {
- x_68 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_68 = x_65;
-}
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_64);
-x_7 = x_68;
-goto block_19;
-}
-}
-}
-else
-{
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; uint8_t x_170; 
-x_142 = lean_ctor_get(x_39, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_39, 1);
-lean_inc(x_143);
-lean_dec(x_39);
-x_166 = lean_st_ref_get(x_5, x_143);
-x_167 = lean_ctor_get(x_166, 1);
-lean_inc(x_167);
-lean_dec(x_166);
-x_168 = lean_st_ref_take(x_3, x_167);
-x_169 = lean_ctor_get(x_168, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get_uint8(x_37, sizeof(void*)*8);
-if (x_170 == 0)
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; 
-x_171 = lean_ctor_get(x_169, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_168, 1);
-lean_inc(x_172);
-lean_dec(x_168);
-x_173 = lean_ctor_get(x_37, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_37, 1);
-lean_inc(x_174);
-x_175 = lean_ctor_get(x_37, 2);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_37, 3);
-lean_inc(x_176);
-x_177 = lean_ctor_get(x_37, 4);
-lean_inc(x_177);
-x_178 = lean_ctor_get(x_37, 5);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_37, 6);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_37, 7);
-lean_inc(x_180);
-lean_dec(x_37);
-x_181 = !lean_is_exclusive(x_169);
-if (x_181 == 0)
-{
-lean_object* x_182; uint8_t x_183; 
-x_182 = lean_ctor_get(x_169, 0);
-lean_dec(x_182);
-x_183 = !lean_is_exclusive(x_171);
-if (x_183 == 0)
-{
-lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; 
-x_184 = lean_ctor_get(x_171, 7);
-lean_dec(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_dec(x_185);
-x_186 = lean_ctor_get(x_171, 5);
-lean_dec(x_186);
-x_187 = lean_ctor_get(x_171, 4);
-lean_dec(x_187);
-x_188 = lean_ctor_get(x_171, 3);
-lean_dec(x_188);
-x_189 = lean_ctor_get(x_171, 2);
-lean_dec(x_189);
-x_190 = lean_ctor_get(x_171, 1);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_171, 0);
-lean_dec(x_191);
-lean_ctor_set(x_171, 7, x_180);
-lean_ctor_set(x_171, 6, x_179);
-lean_ctor_set(x_171, 5, x_178);
-lean_ctor_set(x_171, 4, x_177);
-lean_ctor_set(x_171, 3, x_176);
-lean_ctor_set(x_171, 2, x_175);
-lean_ctor_set(x_171, 1, x_174);
-lean_ctor_set(x_171, 0, x_173);
-x_192 = lean_st_ref_set(x_3, x_169, x_172);
-x_193 = lean_ctor_get(x_192, 1);
-lean_inc(x_193);
-lean_dec(x_192);
-x_144 = x_193;
-goto block_165;
-}
-else
-{
-uint8_t x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_194 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-lean_dec(x_171);
-x_195 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_195, 0, x_173);
-lean_ctor_set(x_195, 1, x_174);
-lean_ctor_set(x_195, 2, x_175);
-lean_ctor_set(x_195, 3, x_176);
-lean_ctor_set(x_195, 4, x_177);
-lean_ctor_set(x_195, 5, x_178);
-lean_ctor_set(x_195, 6, x_179);
-lean_ctor_set(x_195, 7, x_180);
-lean_ctor_set_uint8(x_195, sizeof(void*)*8, x_194);
-lean_ctor_set(x_169, 0, x_195);
-x_196 = lean_st_ref_set(x_3, x_169, x_172);
-x_197 = lean_ctor_get(x_196, 1);
-lean_inc(x_197);
-lean_dec(x_196);
-x_144 = x_197;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_198; lean_object* x_199; lean_object* x_200; uint8_t x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; 
-x_198 = lean_ctor_get(x_169, 1);
-x_199 = lean_ctor_get(x_169, 2);
-x_200 = lean_ctor_get(x_169, 3);
-lean_inc(x_200);
-lean_inc(x_199);
-lean_inc(x_198);
-lean_dec(x_169);
-x_201 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (lean_is_exclusive(x_171)) {
- lean_ctor_release(x_171, 0);
- lean_ctor_release(x_171, 1);
- lean_ctor_release(x_171, 2);
- lean_ctor_release(x_171, 3);
- lean_ctor_release(x_171, 4);
- lean_ctor_release(x_171, 5);
- lean_ctor_release(x_171, 6);
- lean_ctor_release(x_171, 7);
- x_202 = x_171;
-} else {
- lean_dec_ref(x_171);
- x_202 = lean_box(0);
-}
-if (lean_is_scalar(x_202)) {
- x_203 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_203 = x_202;
-}
-lean_ctor_set(x_203, 0, x_173);
-lean_ctor_set(x_203, 1, x_174);
-lean_ctor_set(x_203, 2, x_175);
-lean_ctor_set(x_203, 3, x_176);
-lean_ctor_set(x_203, 4, x_177);
-lean_ctor_set(x_203, 5, x_178);
-lean_ctor_set(x_203, 6, x_179);
-lean_ctor_set(x_203, 7, x_180);
-lean_ctor_set_uint8(x_203, sizeof(void*)*8, x_201);
-x_204 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_204, 0, x_203);
-lean_ctor_set(x_204, 1, x_198);
-lean_ctor_set(x_204, 2, x_199);
-lean_ctor_set(x_204, 3, x_200);
-x_205 = lean_st_ref_set(x_3, x_204, x_172);
-x_206 = lean_ctor_get(x_205, 1);
-lean_inc(x_206);
-lean_dec(x_205);
-x_144 = x_206;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_207; uint8_t x_208; 
-x_207 = lean_ctor_get(x_168, 1);
-lean_inc(x_207);
-lean_dec(x_168);
-x_208 = !lean_is_exclusive(x_37);
-if (x_208 == 0)
-{
-uint8_t x_209; 
-x_209 = !lean_is_exclusive(x_169);
-if (x_209 == 0)
-{
-lean_object* x_210; uint8_t x_211; lean_object* x_212; lean_object* x_213; 
-x_210 = lean_ctor_get(x_169, 0);
-lean_dec(x_210);
-x_211 = 1;
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_211);
-lean_ctor_set(x_169, 0, x_37);
-x_212 = lean_st_ref_set(x_3, x_169, x_207);
-x_213 = lean_ctor_get(x_212, 1);
-lean_inc(x_213);
-lean_dec(x_212);
-x_144 = x_213;
-goto block_165;
-}
-else
-{
-lean_object* x_214; lean_object* x_215; lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_214 = lean_ctor_get(x_169, 1);
-x_215 = lean_ctor_get(x_169, 2);
-x_216 = lean_ctor_get(x_169, 3);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_dec(x_169);
-x_217 = 1;
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_217);
-x_218 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_218, 0, x_37);
-lean_ctor_set(x_218, 1, x_214);
-lean_ctor_set(x_218, 2, x_215);
-lean_ctor_set(x_218, 3, x_216);
-x_219 = lean_st_ref_set(x_3, x_218, x_207);
-x_220 = lean_ctor_get(x_219, 1);
-lean_inc(x_220);
-lean_dec(x_219);
-x_144 = x_220;
-goto block_165;
-}
-}
-else
-{
-lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; uint8_t x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; 
-x_221 = lean_ctor_get(x_37, 0);
-x_222 = lean_ctor_get(x_37, 1);
-x_223 = lean_ctor_get(x_37, 2);
-x_224 = lean_ctor_get(x_37, 3);
-x_225 = lean_ctor_get(x_37, 4);
-x_226 = lean_ctor_get(x_37, 5);
-x_227 = lean_ctor_get(x_37, 6);
-x_228 = lean_ctor_get(x_37, 7);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_inc(x_226);
-lean_inc(x_225);
-lean_inc(x_224);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_dec(x_37);
-x_229 = lean_ctor_get(x_169, 1);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_169, 2);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_169, 3);
-lean_inc(x_231);
-if (lean_is_exclusive(x_169)) {
- lean_ctor_release(x_169, 0);
- lean_ctor_release(x_169, 1);
- lean_ctor_release(x_169, 2);
- lean_ctor_release(x_169, 3);
- x_232 = x_169;
-} else {
- lean_dec_ref(x_169);
- x_232 = lean_box(0);
-}
-x_233 = 1;
-x_234 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_234, 0, x_221);
-lean_ctor_set(x_234, 1, x_222);
-lean_ctor_set(x_234, 2, x_223);
-lean_ctor_set(x_234, 3, x_224);
-lean_ctor_set(x_234, 4, x_225);
-lean_ctor_set(x_234, 5, x_226);
-lean_ctor_set(x_234, 6, x_227);
-lean_ctor_set(x_234, 7, x_228);
-lean_ctor_set_uint8(x_234, sizeof(void*)*8, x_233);
-if (lean_is_scalar(x_232)) {
- x_235 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_235 = x_232;
-}
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_229);
-lean_ctor_set(x_235, 2, x_230);
-lean_ctor_set(x_235, 3, x_231);
-x_236 = lean_st_ref_set(x_3, x_235, x_207);
-x_237 = lean_ctor_get(x_236, 1);
-lean_inc(x_237);
-lean_dec(x_236);
-x_144 = x_237;
-goto block_165;
-}
-}
-block_165:
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
-x_145 = lean_st_ref_get(x_5, x_144);
-lean_dec(x_5);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
-lean_dec(x_145);
-x_147 = lean_st_ref_take(x_3, x_146);
-x_148 = lean_ctor_get(x_147, 0);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_147, 1);
-lean_inc(x_149);
-lean_dec(x_147);
-x_150 = !lean_is_exclusive(x_148);
-if (x_150 == 0)
-{
-lean_object* x_151; lean_object* x_152; uint8_t x_153; 
-x_151 = lean_ctor_get(x_148, 3);
-lean_dec(x_151);
-lean_ctor_set(x_148, 3, x_38);
-x_152 = lean_st_ref_set(x_3, x_148, x_149);
-lean_dec(x_3);
-x_153 = !lean_is_exclusive(x_152);
-if (x_153 == 0)
-{
-lean_object* x_154; 
-x_154 = lean_ctor_get(x_152, 0);
-lean_dec(x_154);
-lean_ctor_set_tag(x_152, 1);
-lean_ctor_set(x_152, 0, x_142);
-x_7 = x_152;
-goto block_19;
-}
-else
-{
-lean_object* x_155; lean_object* x_156; 
-x_155 = lean_ctor_get(x_152, 1);
-lean_inc(x_155);
-lean_dec(x_152);
-x_156 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_156, 0, x_142);
-lean_ctor_set(x_156, 1, x_155);
-x_7 = x_156;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
-x_157 = lean_ctor_get(x_148, 0);
-x_158 = lean_ctor_get(x_148, 1);
-x_159 = lean_ctor_get(x_148, 2);
-lean_inc(x_159);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_dec(x_148);
-x_160 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_160, 0, x_157);
-lean_ctor_set(x_160, 1, x_158);
-lean_ctor_set(x_160, 2, x_159);
-lean_ctor_set(x_160, 3, x_38);
-x_161 = lean_st_ref_set(x_3, x_160, x_149);
-lean_dec(x_3);
-x_162 = lean_ctor_get(x_161, 1);
-lean_inc(x_162);
-if (lean_is_exclusive(x_161)) {
- lean_ctor_release(x_161, 0);
- lean_ctor_release(x_161, 1);
- x_163 = x_161;
-} else {
- lean_dec_ref(x_161);
- x_163 = lean_box(0);
-}
-if (lean_is_scalar(x_163)) {
- x_164 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_164 = x_163;
- lean_ctor_set_tag(x_164, 1);
-}
-lean_ctor_set(x_164, 0, x_142);
-lean_ctor_set(x_164, 1, x_162);
-x_7 = x_164;
-goto block_19;
-}
-}
-}
-}
-else
-{
-lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
-x_238 = lean_ctor_get(x_28, 0);
-x_239 = lean_ctor_get(x_28, 1);
-x_240 = lean_ctor_get(x_28, 2);
-lean_inc(x_240);
-lean_inc(x_239);
-lean_inc(x_238);
-lean_dec(x_28);
-x_241 = l_Lean_MetavarContext_incDepth(x_238);
-x_242 = l_Lean_Meta_State_postponed___default___closed__3;
-x_243 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_243, 0, x_241);
-lean_ctor_set(x_243, 1, x_239);
-lean_ctor_set(x_243, 2, x_240);
-lean_ctor_set(x_243, 3, x_242);
-x_244 = lean_st_ref_set(x_3, x_243, x_29);
-x_245 = lean_ctor_get(x_244, 1);
-lean_inc(x_245);
-lean_dec(x_244);
-x_246 = lean_ctor_get(x_23, 0);
-lean_inc(x_246);
-x_247 = lean_ctor_get(x_23, 3);
-lean_inc(x_247);
-lean_dec(x_23);
-lean_inc(x_5);
-lean_inc(x_3);
-x_248 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_245);
-if (lean_obj_tag(x_248) == 0)
-{
-lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; 
-x_249 = lean_ctor_get(x_248, 0);
-lean_inc(x_249);
-x_250 = lean_ctor_get(x_248, 1);
-lean_inc(x_250);
-lean_dec(x_248);
-x_269 = lean_st_ref_get(x_5, x_250);
-x_270 = lean_ctor_get(x_269, 1);
-lean_inc(x_270);
-lean_dec(x_269);
-x_271 = lean_st_ref_take(x_3, x_270);
-x_272 = lean_ctor_get(x_271, 0);
-lean_inc(x_272);
-x_273 = lean_ctor_get_uint8(x_246, sizeof(void*)*8);
-if (x_273 == 0)
-{
-lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; uint8_t x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_274 = lean_ctor_get(x_272, 0);
-lean_inc(x_274);
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-lean_dec(x_271);
-x_276 = lean_ctor_get(x_246, 0);
-lean_inc(x_276);
-x_277 = lean_ctor_get(x_246, 1);
-lean_inc(x_277);
-x_278 = lean_ctor_get(x_246, 2);
-lean_inc(x_278);
-x_279 = lean_ctor_get(x_246, 3);
-lean_inc(x_279);
-x_280 = lean_ctor_get(x_246, 4);
-lean_inc(x_280);
-x_281 = lean_ctor_get(x_246, 5);
-lean_inc(x_281);
-x_282 = lean_ctor_get(x_246, 6);
-lean_inc(x_282);
-x_283 = lean_ctor_get(x_246, 7);
-lean_inc(x_283);
-lean_dec(x_246);
-x_284 = lean_ctor_get(x_272, 1);
-lean_inc(x_284);
-x_285 = lean_ctor_get(x_272, 2);
-lean_inc(x_285);
-x_286 = lean_ctor_get(x_272, 3);
-lean_inc(x_286);
-if (lean_is_exclusive(x_272)) {
- lean_ctor_release(x_272, 0);
- lean_ctor_release(x_272, 1);
- lean_ctor_release(x_272, 2);
- lean_ctor_release(x_272, 3);
- x_287 = x_272;
-} else {
- lean_dec_ref(x_272);
- x_287 = lean_box(0);
-}
-x_288 = lean_ctor_get_uint8(x_274, sizeof(void*)*8);
-if (lean_is_exclusive(x_274)) {
- lean_ctor_release(x_274, 0);
- lean_ctor_release(x_274, 1);
- lean_ctor_release(x_274, 2);
- lean_ctor_release(x_274, 3);
- lean_ctor_release(x_274, 4);
- lean_ctor_release(x_274, 5);
- lean_ctor_release(x_274, 6);
- lean_ctor_release(x_274, 7);
- x_289 = x_274;
-} else {
- lean_dec_ref(x_274);
- x_289 = lean_box(0);
-}
-if (lean_is_scalar(x_289)) {
- x_290 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_290 = x_289;
-}
-lean_ctor_set(x_290, 0, x_276);
-lean_ctor_set(x_290, 1, x_277);
-lean_ctor_set(x_290, 2, x_278);
-lean_ctor_set(x_290, 3, x_279);
-lean_ctor_set(x_290, 4, x_280);
-lean_ctor_set(x_290, 5, x_281);
-lean_ctor_set(x_290, 6, x_282);
-lean_ctor_set(x_290, 7, x_283);
-lean_ctor_set_uint8(x_290, sizeof(void*)*8, x_288);
-if (lean_is_scalar(x_287)) {
- x_291 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_291 = x_287;
-}
-lean_ctor_set(x_291, 0, x_290);
-lean_ctor_set(x_291, 1, x_284);
-lean_ctor_set(x_291, 2, x_285);
-lean_ctor_set(x_291, 3, x_286);
-x_292 = lean_st_ref_set(x_3, x_291, x_275);
-x_293 = lean_ctor_get(x_292, 1);
-lean_inc(x_293);
-lean_dec(x_292);
-x_251 = x_293;
-goto block_268;
-}
-else
-{
-lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; uint8_t x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; 
-x_294 = lean_ctor_get(x_271, 1);
-lean_inc(x_294);
-lean_dec(x_271);
-x_295 = lean_ctor_get(x_246, 0);
-lean_inc(x_295);
-x_296 = lean_ctor_get(x_246, 1);
-lean_inc(x_296);
-x_297 = lean_ctor_get(x_246, 2);
-lean_inc(x_297);
-x_298 = lean_ctor_get(x_246, 3);
-lean_inc(x_298);
-x_299 = lean_ctor_get(x_246, 4);
-lean_inc(x_299);
-x_300 = lean_ctor_get(x_246, 5);
-lean_inc(x_300);
-x_301 = lean_ctor_get(x_246, 6);
-lean_inc(x_301);
-x_302 = lean_ctor_get(x_246, 7);
-lean_inc(x_302);
-if (lean_is_exclusive(x_246)) {
- lean_ctor_release(x_246, 0);
- lean_ctor_release(x_246, 1);
- lean_ctor_release(x_246, 2);
- lean_ctor_release(x_246, 3);
- lean_ctor_release(x_246, 4);
- lean_ctor_release(x_246, 5);
- lean_ctor_release(x_246, 6);
- lean_ctor_release(x_246, 7);
- x_303 = x_246;
-} else {
- lean_dec_ref(x_246);
- x_303 = lean_box(0);
-}
-x_304 = lean_ctor_get(x_272, 1);
-lean_inc(x_304);
-x_305 = lean_ctor_get(x_272, 2);
-lean_inc(x_305);
-x_306 = lean_ctor_get(x_272, 3);
-lean_inc(x_306);
-if (lean_is_exclusive(x_272)) {
- lean_ctor_release(x_272, 0);
- lean_ctor_release(x_272, 1);
- lean_ctor_release(x_272, 2);
- lean_ctor_release(x_272, 3);
- x_307 = x_272;
-} else {
- lean_dec_ref(x_272);
- x_307 = lean_box(0);
-}
-x_308 = 1;
-if (lean_is_scalar(x_303)) {
- x_309 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_309 = x_303;
-}
-lean_ctor_set(x_309, 0, x_295);
-lean_ctor_set(x_309, 1, x_296);
-lean_ctor_set(x_309, 2, x_297);
-lean_ctor_set(x_309, 3, x_298);
-lean_ctor_set(x_309, 4, x_299);
-lean_ctor_set(x_309, 5, x_300);
-lean_ctor_set(x_309, 6, x_301);
-lean_ctor_set(x_309, 7, x_302);
-lean_ctor_set_uint8(x_309, sizeof(void*)*8, x_308);
-if (lean_is_scalar(x_307)) {
- x_310 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_310 = x_307;
-}
-lean_ctor_set(x_310, 0, x_309);
-lean_ctor_set(x_310, 1, x_304);
-lean_ctor_set(x_310, 2, x_305);
-lean_ctor_set(x_310, 3, x_306);
-x_311 = lean_st_ref_set(x_3, x_310, x_294);
-x_312 = lean_ctor_get(x_311, 1);
-lean_inc(x_312);
-lean_dec(x_311);
-x_251 = x_312;
-goto block_268;
-}
-block_268:
-{
-lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; 
-x_252 = lean_st_ref_get(x_5, x_251);
-lean_dec(x_5);
-x_253 = lean_ctor_get(x_252, 1);
-lean_inc(x_253);
-lean_dec(x_252);
-x_254 = lean_st_ref_take(x_3, x_253);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_ctor_get(x_255, 0);
-lean_inc(x_257);
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-x_259 = lean_ctor_get(x_255, 2);
-lean_inc(x_259);
-if (lean_is_exclusive(x_255)) {
- lean_ctor_release(x_255, 0);
- lean_ctor_release(x_255, 1);
- lean_ctor_release(x_255, 2);
- lean_ctor_release(x_255, 3);
- x_260 = x_255;
-} else {
- lean_dec_ref(x_255);
- x_260 = lean_box(0);
-}
-if (lean_is_scalar(x_260)) {
- x_261 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_261 = x_260;
-}
-lean_ctor_set(x_261, 0, x_257);
-lean_ctor_set(x_261, 1, x_258);
-lean_ctor_set(x_261, 2, x_259);
-lean_ctor_set(x_261, 3, x_247);
-x_262 = lean_st_ref_set(x_3, x_261, x_256);
-lean_dec(x_3);
-x_263 = lean_ctor_get(x_262, 1);
-lean_inc(x_263);
-if (lean_is_exclusive(x_262)) {
- lean_ctor_release(x_262, 0);
- lean_ctor_release(x_262, 1);
- x_264 = x_262;
-} else {
- lean_dec_ref(x_262);
- x_264 = lean_box(0);
-}
-x_265 = lean_box(0);
-x_266 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_266, 0, x_249);
-lean_ctor_set(x_266, 1, x_265);
-if (lean_is_scalar(x_264)) {
- x_267 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_267 = x_264;
-}
-lean_ctor_set(x_267, 0, x_266);
-lean_ctor_set(x_267, 1, x_263);
-x_7 = x_267;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_313; lean_object* x_314; lean_object* x_315; lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; uint8_t x_335; 
-x_313 = lean_ctor_get(x_248, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_248, 1);
-lean_inc(x_314);
-lean_dec(x_248);
-x_331 = lean_st_ref_get(x_5, x_314);
-x_332 = lean_ctor_get(x_331, 1);
-lean_inc(x_332);
-lean_dec(x_331);
-x_333 = lean_st_ref_take(x_3, x_332);
-x_334 = lean_ctor_get(x_333, 0);
-lean_inc(x_334);
-x_335 = lean_ctor_get_uint8(x_246, sizeof(void*)*8);
-if (x_335 == 0)
-{
-lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; uint8_t x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; 
-x_336 = lean_ctor_get(x_334, 0);
-lean_inc(x_336);
-x_337 = lean_ctor_get(x_333, 1);
-lean_inc(x_337);
-lean_dec(x_333);
-x_338 = lean_ctor_get(x_246, 0);
-lean_inc(x_338);
-x_339 = lean_ctor_get(x_246, 1);
-lean_inc(x_339);
-x_340 = lean_ctor_get(x_246, 2);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_246, 3);
-lean_inc(x_341);
-x_342 = lean_ctor_get(x_246, 4);
-lean_inc(x_342);
-x_343 = lean_ctor_get(x_246, 5);
-lean_inc(x_343);
-x_344 = lean_ctor_get(x_246, 6);
-lean_inc(x_344);
-x_345 = lean_ctor_get(x_246, 7);
-lean_inc(x_345);
-lean_dec(x_246);
-x_346 = lean_ctor_get(x_334, 1);
-lean_inc(x_346);
-x_347 = lean_ctor_get(x_334, 2);
-lean_inc(x_347);
-x_348 = lean_ctor_get(x_334, 3);
-lean_inc(x_348);
-if (lean_is_exclusive(x_334)) {
- lean_ctor_release(x_334, 0);
- lean_ctor_release(x_334, 1);
- lean_ctor_release(x_334, 2);
- lean_ctor_release(x_334, 3);
- x_349 = x_334;
-} else {
- lean_dec_ref(x_334);
- x_349 = lean_box(0);
-}
-x_350 = lean_ctor_get_uint8(x_336, sizeof(void*)*8);
-if (lean_is_exclusive(x_336)) {
- lean_ctor_release(x_336, 0);
- lean_ctor_release(x_336, 1);
- lean_ctor_release(x_336, 2);
- lean_ctor_release(x_336, 3);
- lean_ctor_release(x_336, 4);
- lean_ctor_release(x_336, 5);
- lean_ctor_release(x_336, 6);
- lean_ctor_release(x_336, 7);
- x_351 = x_336;
-} else {
- lean_dec_ref(x_336);
- x_351 = lean_box(0);
-}
-if (lean_is_scalar(x_351)) {
- x_352 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_352 = x_351;
-}
-lean_ctor_set(x_352, 0, x_338);
-lean_ctor_set(x_352, 1, x_339);
-lean_ctor_set(x_352, 2, x_340);
-lean_ctor_set(x_352, 3, x_341);
-lean_ctor_set(x_352, 4, x_342);
-lean_ctor_set(x_352, 5, x_343);
-lean_ctor_set(x_352, 6, x_344);
-lean_ctor_set(x_352, 7, x_345);
-lean_ctor_set_uint8(x_352, sizeof(void*)*8, x_350);
-if (lean_is_scalar(x_349)) {
- x_353 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_353 = x_349;
-}
-lean_ctor_set(x_353, 0, x_352);
-lean_ctor_set(x_353, 1, x_346);
-lean_ctor_set(x_353, 2, x_347);
-lean_ctor_set(x_353, 3, x_348);
-x_354 = lean_st_ref_set(x_3, x_353, x_337);
-x_355 = lean_ctor_get(x_354, 1);
-lean_inc(x_355);
-lean_dec(x_354);
-x_315 = x_355;
-goto block_330;
-}
-else
-{
-lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; uint8_t x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; 
-x_356 = lean_ctor_get(x_333, 1);
-lean_inc(x_356);
-lean_dec(x_333);
-x_357 = lean_ctor_get(x_246, 0);
-lean_inc(x_357);
-x_358 = lean_ctor_get(x_246, 1);
-lean_inc(x_358);
-x_359 = lean_ctor_get(x_246, 2);
-lean_inc(x_359);
-x_360 = lean_ctor_get(x_246, 3);
-lean_inc(x_360);
-x_361 = lean_ctor_get(x_246, 4);
-lean_inc(x_361);
-x_362 = lean_ctor_get(x_246, 5);
-lean_inc(x_362);
-x_363 = lean_ctor_get(x_246, 6);
-lean_inc(x_363);
-x_364 = lean_ctor_get(x_246, 7);
-lean_inc(x_364);
-if (lean_is_exclusive(x_246)) {
- lean_ctor_release(x_246, 0);
- lean_ctor_release(x_246, 1);
- lean_ctor_release(x_246, 2);
- lean_ctor_release(x_246, 3);
- lean_ctor_release(x_246, 4);
- lean_ctor_release(x_246, 5);
- lean_ctor_release(x_246, 6);
- lean_ctor_release(x_246, 7);
- x_365 = x_246;
-} else {
- lean_dec_ref(x_246);
- x_365 = lean_box(0);
-}
-x_366 = lean_ctor_get(x_334, 1);
-lean_inc(x_366);
-x_367 = lean_ctor_get(x_334, 2);
-lean_inc(x_367);
-x_368 = lean_ctor_get(x_334, 3);
-lean_inc(x_368);
-if (lean_is_exclusive(x_334)) {
- lean_ctor_release(x_334, 0);
- lean_ctor_release(x_334, 1);
- lean_ctor_release(x_334, 2);
- lean_ctor_release(x_334, 3);
- x_369 = x_334;
-} else {
- lean_dec_ref(x_334);
- x_369 = lean_box(0);
-}
-x_370 = 1;
-if (lean_is_scalar(x_365)) {
- x_371 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_371 = x_365;
-}
-lean_ctor_set(x_371, 0, x_357);
-lean_ctor_set(x_371, 1, x_358);
-lean_ctor_set(x_371, 2, x_359);
-lean_ctor_set(x_371, 3, x_360);
-lean_ctor_set(x_371, 4, x_361);
-lean_ctor_set(x_371, 5, x_362);
-lean_ctor_set(x_371, 6, x_363);
-lean_ctor_set(x_371, 7, x_364);
-lean_ctor_set_uint8(x_371, sizeof(void*)*8, x_370);
-if (lean_is_scalar(x_369)) {
- x_372 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_372 = x_369;
-}
-lean_ctor_set(x_372, 0, x_371);
-lean_ctor_set(x_372, 1, x_366);
-lean_ctor_set(x_372, 2, x_367);
-lean_ctor_set(x_372, 3, x_368);
-x_373 = lean_st_ref_set(x_3, x_372, x_356);
-x_374 = lean_ctor_get(x_373, 1);
-lean_inc(x_374);
-lean_dec(x_373);
-x_315 = x_374;
-goto block_330;
-}
-block_330:
-{
-lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; 
-x_316 = lean_st_ref_get(x_5, x_315);
-lean_dec(x_5);
-x_317 = lean_ctor_get(x_316, 1);
-lean_inc(x_317);
-lean_dec(x_316);
-x_318 = lean_st_ref_take(x_3, x_317);
-x_319 = lean_ctor_get(x_318, 0);
-lean_inc(x_319);
-x_320 = lean_ctor_get(x_318, 1);
-lean_inc(x_320);
-lean_dec(x_318);
-x_321 = lean_ctor_get(x_319, 0);
-lean_inc(x_321);
-x_322 = lean_ctor_get(x_319, 1);
-lean_inc(x_322);
-x_323 = lean_ctor_get(x_319, 2);
-lean_inc(x_323);
-if (lean_is_exclusive(x_319)) {
- lean_ctor_release(x_319, 0);
- lean_ctor_release(x_319, 1);
- lean_ctor_release(x_319, 2);
- lean_ctor_release(x_319, 3);
- x_324 = x_319;
-} else {
- lean_dec_ref(x_319);
- x_324 = lean_box(0);
-}
-if (lean_is_scalar(x_324)) {
- x_325 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_325 = x_324;
-}
-lean_ctor_set(x_325, 0, x_321);
-lean_ctor_set(x_325, 1, x_322);
-lean_ctor_set(x_325, 2, x_323);
-lean_ctor_set(x_325, 3, x_247);
-x_326 = lean_st_ref_set(x_3, x_325, x_320);
-lean_dec(x_3);
-x_327 = lean_ctor_get(x_326, 1);
-lean_inc(x_327);
-if (lean_is_exclusive(x_326)) {
- lean_ctor_release(x_326, 0);
- lean_ctor_release(x_326, 1);
- x_328 = x_326;
-} else {
- lean_dec_ref(x_326);
- x_328 = lean_box(0);
-}
-if (lean_is_scalar(x_328)) {
- x_329 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_329 = x_328;
- lean_ctor_set_tag(x_329, 1);
-}
-lean_ctor_set(x_329, 0, x_313);
-lean_ctor_set(x_329, 1, x_327);
-x_7 = x_329;
-goto block_19;
-}
-}
-}
-block_19:
-{
-if (lean_obj_tag(x_7) == 0)
-{
-uint8_t x_8; 
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_ctor_get(x_7, 0);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_7 = lean_st_ref_get(x_5, x_6);
+x_8 = lean_ctor_get(x_7, 1);
+lean_inc(x_8);
+lean_dec(x_7);
+x_9 = lean_st_ref_get(x_3, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
-lean_dec(x_9);
-lean_ctor_set(x_7, 0, x_10);
-return x_7;
-}
-else
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_11 = lean_ctor_get(x_7, 0);
-x_12 = lean_ctor_get(x_7, 1);
-lean_inc(x_12);
+x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
-lean_dec(x_7);
-x_13 = lean_ctor_get(x_11, 0);
+lean_dec(x_9);
+x_12 = lean_st_ref_get(x_5, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-lean_dec(x_11);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_7);
-if (x_15 == 0)
-{
-return x_7;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_7, 0);
-x_17 = lean_ctor_get(x_7, 1);
-lean_inc(x_17);
+lean_dec(x_12);
+x_14 = lean_st_ref_take(x_3, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
-lean_dec(x_7);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
+lean_dec(x_14);
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = lean_ctor_get(x_15, 0);
+x_19 = lean_ctor_get(x_15, 3);
+lean_dec(x_19);
+x_20 = l_Lean_MetavarContext_incDepth(x_18);
+x_21 = l_Lean_Meta_State_postponed___default___closed__3;
+lean_ctor_set(x_15, 3, x_21);
+lean_ctor_set(x_15, 0, x_20);
+x_22 = lean_st_ref_set(x_3, x_15, x_16);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+lean_inc(x_5);
+lean_inc(x_3);
+x_24 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_23);
+if (lean_obj_tag(x_24) == 0)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = lean_st_ref_get(x_5, x_26);
+lean_dec(x_5);
+x_28 = lean_ctor_get(x_27, 1);
+lean_inc(x_28);
+lean_dec(x_27);
+x_29 = lean_st_ref_take(x_3, x_28);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+lean_dec(x_29);
+x_32 = lean_ctor_get(x_10, 0);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_10, 3);
+lean_inc(x_33);
+lean_dec(x_10);
+x_34 = !lean_is_exclusive(x_30);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_35 = lean_ctor_get(x_30, 3);
+lean_dec(x_35);
+x_36 = lean_ctor_get(x_30, 0);
+lean_dec(x_36);
+lean_ctor_set(x_30, 3, x_33);
+lean_ctor_set(x_30, 0, x_32);
+x_37 = lean_st_ref_set(x_3, x_30, x_31);
+lean_dec(x_3);
+x_38 = !lean_is_exclusive(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; 
+x_39 = lean_ctor_get(x_37, 0);
+lean_dec(x_39);
+lean_ctor_set(x_37, 0, x_25);
+return x_37;
 }
+else
+{
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_37, 1);
+lean_inc(x_40);
+lean_dec(x_37);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_25);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
+}
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_42 = lean_ctor_get(x_30, 1);
+x_43 = lean_ctor_get(x_30, 2);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_30);
+x_44 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_44, 0, x_32);
+lean_ctor_set(x_44, 1, x_42);
+lean_ctor_set(x_44, 2, x_43);
+lean_ctor_set(x_44, 3, x_33);
+x_45 = lean_st_ref_set(x_3, x_44, x_31);
+lean_dec(x_3);
+x_46 = lean_ctor_get(x_45, 1);
+lean_inc(x_46);
+if (lean_is_exclusive(x_45)) {
+ lean_ctor_release(x_45, 0);
+ lean_ctor_release(x_45, 1);
+ x_47 = x_45;
+} else {
+ lean_dec_ref(x_45);
+ x_47 = lean_box(0);
+}
+if (lean_is_scalar(x_47)) {
+ x_48 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_48 = x_47;
+}
+lean_ctor_set(x_48, 0, x_25);
+lean_ctor_set(x_48, 1, x_46);
+return x_48;
+}
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_49 = lean_ctor_get(x_24, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_24, 1);
+lean_inc(x_50);
+lean_dec(x_24);
+x_51 = lean_st_ref_get(x_5, x_50);
+lean_dec(x_5);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+lean_dec(x_51);
+x_53 = lean_st_ref_take(x_3, x_52);
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
+lean_dec(x_53);
+x_56 = lean_ctor_get(x_10, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_10, 3);
+lean_inc(x_57);
+lean_dec(x_10);
+x_58 = !lean_is_exclusive(x_54);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_59 = lean_ctor_get(x_54, 3);
+lean_dec(x_59);
+x_60 = lean_ctor_get(x_54, 0);
+lean_dec(x_60);
+lean_ctor_set(x_54, 3, x_57);
+lean_ctor_set(x_54, 0, x_56);
+x_61 = lean_st_ref_set(x_3, x_54, x_55);
+lean_dec(x_3);
+x_62 = !lean_is_exclusive(x_61);
+if (x_62 == 0)
+{
+lean_object* x_63; 
+x_63 = lean_ctor_get(x_61, 0);
+lean_dec(x_63);
+lean_ctor_set_tag(x_61, 1);
+lean_ctor_set(x_61, 0, x_49);
+return x_61;
+}
+else
+{
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_ctor_get(x_61, 1);
+lean_inc(x_64);
+lean_dec(x_61);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_49);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_66 = lean_ctor_get(x_54, 1);
+x_67 = lean_ctor_get(x_54, 2);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_54);
+x_68 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_68, 0, x_56);
+lean_ctor_set(x_68, 1, x_66);
+lean_ctor_set(x_68, 2, x_67);
+lean_ctor_set(x_68, 3, x_57);
+x_69 = lean_st_ref_set(x_3, x_68, x_55);
+lean_dec(x_3);
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ x_71 = x_69;
+} else {
+ lean_dec_ref(x_69);
+ x_71 = lean_box(0);
+}
+if (lean_is_scalar(x_71)) {
+ x_72 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_72 = x_71;
+ lean_ctor_set_tag(x_72, 1);
+}
+lean_ctor_set(x_72, 0, x_49);
+lean_ctor_set(x_72, 1, x_70);
+return x_72;
+}
+}
+}
+else
+{
+lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_73 = lean_ctor_get(x_15, 0);
+x_74 = lean_ctor_get(x_15, 1);
+x_75 = lean_ctor_get(x_15, 2);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_dec(x_15);
+x_76 = l_Lean_MetavarContext_incDepth(x_73);
+x_77 = l_Lean_Meta_State_postponed___default___closed__3;
+x_78 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_74);
+lean_ctor_set(x_78, 2, x_75);
+lean_ctor_set(x_78, 3, x_77);
+x_79 = lean_st_ref_set(x_3, x_78, x_16);
+x_80 = lean_ctor_get(x_79, 1);
+lean_inc(x_80);
+lean_dec(x_79);
+lean_inc(x_5);
+lean_inc(x_3);
+x_81 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_80);
+if (lean_obj_tag(x_81) == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_81, 1);
+lean_inc(x_83);
+lean_dec(x_81);
+x_84 = lean_st_ref_get(x_5, x_83);
+lean_dec(x_5);
+x_85 = lean_ctor_get(x_84, 1);
+lean_inc(x_85);
+lean_dec(x_84);
+x_86 = lean_st_ref_take(x_3, x_85);
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+lean_dec(x_86);
+x_89 = lean_ctor_get(x_10, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_10, 3);
+lean_inc(x_90);
+lean_dec(x_10);
+x_91 = lean_ctor_get(x_87, 1);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_87, 2);
+lean_inc(x_92);
+if (lean_is_exclusive(x_87)) {
+ lean_ctor_release(x_87, 0);
+ lean_ctor_release(x_87, 1);
+ lean_ctor_release(x_87, 2);
+ lean_ctor_release(x_87, 3);
+ x_93 = x_87;
+} else {
+ lean_dec_ref(x_87);
+ x_93 = lean_box(0);
+}
+if (lean_is_scalar(x_93)) {
+ x_94 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_94 = x_93;
+}
+lean_ctor_set(x_94, 0, x_89);
+lean_ctor_set(x_94, 1, x_91);
+lean_ctor_set(x_94, 2, x_92);
+lean_ctor_set(x_94, 3, x_90);
+x_95 = lean_st_ref_set(x_3, x_94, x_88);
+lean_dec(x_3);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ x_97 = x_95;
+} else {
+ lean_dec_ref(x_95);
+ x_97 = lean_box(0);
+}
+if (lean_is_scalar(x_97)) {
+ x_98 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_98 = x_97;
+}
+lean_ctor_set(x_98, 0, x_82);
+lean_ctor_set(x_98, 1, x_96);
+return x_98;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_99 = lean_ctor_get(x_81, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_81, 1);
+lean_inc(x_100);
+lean_dec(x_81);
+x_101 = lean_st_ref_get(x_5, x_100);
+lean_dec(x_5);
+x_102 = lean_ctor_get(x_101, 1);
+lean_inc(x_102);
+lean_dec(x_101);
+x_103 = lean_st_ref_take(x_3, x_102);
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
+x_106 = lean_ctor_get(x_10, 0);
+lean_inc(x_106);
+x_107 = lean_ctor_get(x_10, 3);
+lean_inc(x_107);
+lean_dec(x_10);
+x_108 = lean_ctor_get(x_104, 1);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_104, 2);
+lean_inc(x_109);
+if (lean_is_exclusive(x_104)) {
+ lean_ctor_release(x_104, 0);
+ lean_ctor_release(x_104, 1);
+ lean_ctor_release(x_104, 2);
+ lean_ctor_release(x_104, 3);
+ x_110 = x_104;
+} else {
+ lean_dec_ref(x_104);
+ x_110 = lean_box(0);
+}
+if (lean_is_scalar(x_110)) {
+ x_111 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_111 = x_110;
+}
+lean_ctor_set(x_111, 0, x_106);
+lean_ctor_set(x_111, 1, x_108);
+lean_ctor_set(x_111, 2, x_109);
+lean_ctor_set(x_111, 3, x_107);
+x_112 = lean_st_ref_set(x_3, x_111, x_105);
+lean_dec(x_3);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+if (lean_is_exclusive(x_112)) {
+ lean_ctor_release(x_112, 0);
+ lean_ctor_release(x_112, 1);
+ x_114 = x_112;
+} else {
+ lean_dec_ref(x_112);
+ x_114 = lean_box(0);
+}
+if (lean_is_scalar(x_114)) {
+ x_115 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_115 = x_114;
+ lean_ctor_set_tag(x_115, 1);
+}
+lean_ctor_set(x_115, 0, x_99);
+lean_ctor_set(x_115, 1, x_113);
+return x_115;
 }
 }
 }
@@ -26117,1126 +22599,371 @@ return x_2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMCtxImp___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; uint8_t x_226; 
-x_21 = lean_st_ref_get(x_6, x_7);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_8 = lean_st_ref_get(x_6, x_7);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+lean_dec(x_8);
+x_10 = lean_st_ref_get(x_4, x_9);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = lean_ctor_get(x_11, 0);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = lean_st_ref_get(x_6, x_12);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_st_ref_take(x_4, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = !lean_is_exclusive(x_17);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_20 = lean_ctor_get(x_17, 0);
+lean_dec(x_20);
+lean_ctor_set(x_17, 0, x_1);
+x_21 = lean_st_ref_set(x_4, x_17, x_18);
 x_22 = lean_ctor_get(x_21, 1);
 lean_inc(x_22);
 lean_dec(x_21);
-x_23 = lean_st_ref_get(x_4, x_22);
+lean_inc(x_6);
+lean_inc(x_4);
+x_23 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_22);
+if (lean_obj_tag(x_23) == 0)
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
 lean_inc(x_25);
 lean_dec(x_23);
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-lean_dec(x_24);
-x_222 = lean_st_ref_get(x_6, x_25);
-x_223 = lean_ctor_get(x_222, 1);
-lean_inc(x_223);
-lean_dec(x_222);
-x_224 = lean_st_ref_take(x_4, x_223);
-x_225 = lean_ctor_get(x_224, 0);
-lean_inc(x_225);
-x_226 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
-if (x_226 == 0)
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; uint8_t x_237; 
-x_227 = lean_ctor_get(x_225, 0);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_224, 1);
-lean_inc(x_228);
-lean_dec(x_224);
-x_229 = lean_ctor_get(x_1, 0);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_1, 1);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_1, 2);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_1, 3);
-lean_inc(x_232);
-x_233 = lean_ctor_get(x_1, 4);
-lean_inc(x_233);
-x_234 = lean_ctor_get(x_1, 5);
-lean_inc(x_234);
-x_235 = lean_ctor_get(x_1, 6);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_1, 7);
-lean_inc(x_236);
-lean_dec(x_1);
-x_237 = !lean_is_exclusive(x_225);
-if (x_237 == 0)
-{
-lean_object* x_238; uint8_t x_239; 
-x_238 = lean_ctor_get(x_225, 0);
-lean_dec(x_238);
-x_239 = !lean_is_exclusive(x_227);
-if (x_239 == 0)
-{
-lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_240 = lean_ctor_get(x_227, 7);
-lean_dec(x_240);
-x_241 = lean_ctor_get(x_227, 6);
-lean_dec(x_241);
-x_242 = lean_ctor_get(x_227, 5);
-lean_dec(x_242);
-x_243 = lean_ctor_get(x_227, 4);
-lean_dec(x_243);
-x_244 = lean_ctor_get(x_227, 3);
-lean_dec(x_244);
-x_245 = lean_ctor_get(x_227, 2);
-lean_dec(x_245);
-x_246 = lean_ctor_get(x_227, 1);
-lean_dec(x_246);
-x_247 = lean_ctor_get(x_227, 0);
-lean_dec(x_247);
-lean_ctor_set(x_227, 7, x_236);
-lean_ctor_set(x_227, 6, x_235);
-lean_ctor_set(x_227, 5, x_234);
-lean_ctor_set(x_227, 4, x_233);
-lean_ctor_set(x_227, 3, x_232);
-lean_ctor_set(x_227, 2, x_231);
-lean_ctor_set(x_227, 1, x_230);
-lean_ctor_set(x_227, 0, x_229);
-x_248 = lean_st_ref_set(x_4, x_225, x_228);
-x_249 = lean_ctor_get(x_248, 1);
-lean_inc(x_249);
-lean_dec(x_248);
-x_27 = x_249;
-goto block_221;
-}
-else
-{
-uint8_t x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_250 = lean_ctor_get_uint8(x_227, sizeof(void*)*8);
-lean_dec(x_227);
-x_251 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_251, 0, x_229);
-lean_ctor_set(x_251, 1, x_230);
-lean_ctor_set(x_251, 2, x_231);
-lean_ctor_set(x_251, 3, x_232);
-lean_ctor_set(x_251, 4, x_233);
-lean_ctor_set(x_251, 5, x_234);
-lean_ctor_set(x_251, 6, x_235);
-lean_ctor_set(x_251, 7, x_236);
-lean_ctor_set_uint8(x_251, sizeof(void*)*8, x_250);
-lean_ctor_set(x_225, 0, x_251);
-x_252 = lean_st_ref_set(x_4, x_225, x_228);
-x_253 = lean_ctor_get(x_252, 1);
-lean_inc(x_253);
-lean_dec(x_252);
-x_27 = x_253;
-goto block_221;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; 
-x_254 = lean_ctor_get(x_225, 1);
-x_255 = lean_ctor_get(x_225, 2);
-x_256 = lean_ctor_get(x_225, 3);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_inc(x_254);
-lean_dec(x_225);
-x_257 = lean_ctor_get_uint8(x_227, sizeof(void*)*8);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- lean_ctor_release(x_227, 2);
- lean_ctor_release(x_227, 3);
- lean_ctor_release(x_227, 4);
- lean_ctor_release(x_227, 5);
- lean_ctor_release(x_227, 6);
- lean_ctor_release(x_227, 7);
- x_258 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_258 = lean_box(0);
-}
-if (lean_is_scalar(x_258)) {
- x_259 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_259 = x_258;
-}
-lean_ctor_set(x_259, 0, x_229);
-lean_ctor_set(x_259, 1, x_230);
-lean_ctor_set(x_259, 2, x_231);
-lean_ctor_set(x_259, 3, x_232);
-lean_ctor_set(x_259, 4, x_233);
-lean_ctor_set(x_259, 5, x_234);
-lean_ctor_set(x_259, 6, x_235);
-lean_ctor_set(x_259, 7, x_236);
-lean_ctor_set_uint8(x_259, sizeof(void*)*8, x_257);
-x_260 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_260, 0, x_259);
-lean_ctor_set(x_260, 1, x_254);
-lean_ctor_set(x_260, 2, x_255);
-lean_ctor_set(x_260, 3, x_256);
-x_261 = lean_st_ref_set(x_4, x_260, x_228);
-x_262 = lean_ctor_get(x_261, 1);
-lean_inc(x_262);
-lean_dec(x_261);
-x_27 = x_262;
-goto block_221;
-}
-}
-else
-{
-lean_object* x_263; uint8_t x_264; 
-x_263 = lean_ctor_get(x_224, 1);
-lean_inc(x_263);
-lean_dec(x_224);
-x_264 = !lean_is_exclusive(x_1);
-if (x_264 == 0)
-{
-uint8_t x_265; 
-x_265 = !lean_is_exclusive(x_225);
-if (x_265 == 0)
-{
-lean_object* x_266; uint8_t x_267; lean_object* x_268; lean_object* x_269; 
-x_266 = lean_ctor_get(x_225, 0);
-lean_dec(x_266);
-x_267 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_267);
-lean_ctor_set(x_225, 0, x_1);
-x_268 = lean_st_ref_set(x_4, x_225, x_263);
-x_269 = lean_ctor_get(x_268, 1);
-lean_inc(x_269);
-lean_dec(x_268);
-x_27 = x_269;
-goto block_221;
-}
-else
-{
-lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
-x_270 = lean_ctor_get(x_225, 1);
-x_271 = lean_ctor_get(x_225, 2);
-x_272 = lean_ctor_get(x_225, 3);
-lean_inc(x_272);
-lean_inc(x_271);
-lean_inc(x_270);
-lean_dec(x_225);
-x_273 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_273);
-x_274 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_274, 0, x_1);
-lean_ctor_set(x_274, 1, x_270);
-lean_ctor_set(x_274, 2, x_271);
-lean_ctor_set(x_274, 3, x_272);
-x_275 = lean_st_ref_set(x_4, x_274, x_263);
-x_276 = lean_ctor_get(x_275, 1);
-lean_inc(x_276);
-lean_dec(x_275);
-x_27 = x_276;
-goto block_221;
-}
-}
-else
-{
-lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; uint8_t x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_277 = lean_ctor_get(x_1, 0);
-x_278 = lean_ctor_get(x_1, 1);
-x_279 = lean_ctor_get(x_1, 2);
-x_280 = lean_ctor_get(x_1, 3);
-x_281 = lean_ctor_get(x_1, 4);
-x_282 = lean_ctor_get(x_1, 5);
-x_283 = lean_ctor_get(x_1, 6);
-x_284 = lean_ctor_get(x_1, 7);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_inc(x_278);
-lean_inc(x_277);
-lean_dec(x_1);
-x_285 = lean_ctor_get(x_225, 1);
-lean_inc(x_285);
-x_286 = lean_ctor_get(x_225, 2);
-lean_inc(x_286);
-x_287 = lean_ctor_get(x_225, 3);
-lean_inc(x_287);
-if (lean_is_exclusive(x_225)) {
- lean_ctor_release(x_225, 0);
- lean_ctor_release(x_225, 1);
- lean_ctor_release(x_225, 2);
- lean_ctor_release(x_225, 3);
- x_288 = x_225;
-} else {
- lean_dec_ref(x_225);
- x_288 = lean_box(0);
-}
-x_289 = 1;
-x_290 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_290, 0, x_277);
-lean_ctor_set(x_290, 1, x_278);
-lean_ctor_set(x_290, 2, x_279);
-lean_ctor_set(x_290, 3, x_280);
-lean_ctor_set(x_290, 4, x_281);
-lean_ctor_set(x_290, 5, x_282);
-lean_ctor_set(x_290, 6, x_283);
-lean_ctor_set(x_290, 7, x_284);
-lean_ctor_set_uint8(x_290, sizeof(void*)*8, x_289);
-if (lean_is_scalar(x_288)) {
- x_291 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_291 = x_288;
-}
-lean_ctor_set(x_291, 0, x_290);
-lean_ctor_set(x_291, 1, x_285);
-lean_ctor_set(x_291, 2, x_286);
-lean_ctor_set(x_291, 3, x_287);
-x_292 = lean_st_ref_set(x_4, x_291, x_263);
-x_293 = lean_ctor_get(x_292, 1);
-lean_inc(x_293);
-lean_dec(x_292);
-x_27 = x_293;
-goto block_221;
-}
-}
-block_20:
-{
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 0);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-lean_ctor_set(x_8, 0, x_11);
-return x_8;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_12 = lean_ctor_get(x_8, 0);
-x_13 = lean_ctor_get(x_8, 1);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_dec(x_8);
-x_14 = lean_ctor_get(x_12, 0);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_14);
-lean_ctor_set(x_15, 1, x_13);
-return x_15;
-}
-}
-else
-{
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_8);
-if (x_16 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_8, 0);
-x_18 = lean_ctor_get(x_8, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_8);
-x_19 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_19, 0, x_17);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
-}
-}
-}
-block_221:
-{
-lean_object* x_28; 
-lean_inc(x_6);
-lean_inc(x_4);
-x_28 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_27);
-if (lean_obj_tag(x_28) == 0)
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+x_26 = lean_st_ref_get(x_6, x_25);
+lean_dec(x_6);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = lean_st_ref_take(x_4, x_27);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
-x_31 = lean_st_ref_get(x_6, x_30);
-lean_dec(x_6);
-x_32 = lean_ctor_get(x_31, 1);
-lean_inc(x_32);
-lean_dec(x_31);
-x_33 = lean_st_ref_take(x_4, x_32);
-x_34 = lean_ctor_get(x_33, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (x_35 == 0)
+x_31 = !lean_is_exclusive(x_29);
+if (x_31 == 0)
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_36 = lean_ctor_get(x_34, 0);
+lean_object* x_32; lean_object* x_33; uint8_t x_34; 
+x_32 = lean_ctor_get(x_29, 0);
+lean_dec(x_32);
+lean_ctor_set(x_29, 0, x_13);
+x_33 = lean_st_ref_set(x_4, x_29, x_30);
+lean_dec(x_4);
+x_34 = !lean_is_exclusive(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; 
+x_35 = lean_ctor_get(x_33, 0);
+lean_dec(x_35);
+lean_ctor_set(x_33, 0, x_24);
+return x_33;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; 
+x_36 = lean_ctor_get(x_33, 1);
 lean_inc(x_36);
-x_37 = lean_ctor_get(x_33, 1);
-lean_inc(x_37);
 lean_dec(x_33);
-x_38 = lean_ctor_get(x_26, 0);
-lean_inc(x_38);
-x_39 = lean_ctor_get(x_26, 1);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_26, 2);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_24);
+lean_ctor_set(x_37, 1, x_36);
+return x_37;
+}
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_38 = lean_ctor_get(x_29, 1);
+x_39 = lean_ctor_get(x_29, 2);
+x_40 = lean_ctor_get(x_29, 3);
 lean_inc(x_40);
-x_41 = lean_ctor_get(x_26, 3);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_26, 4);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_26, 5);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_29);
+x_41 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_41, 0, x_13);
+lean_ctor_set(x_41, 1, x_38);
+lean_ctor_set(x_41, 2, x_39);
+lean_ctor_set(x_41, 3, x_40);
+x_42 = lean_st_ref_set(x_4, x_41, x_30);
+lean_dec(x_4);
+x_43 = lean_ctor_get(x_42, 1);
 lean_inc(x_43);
-x_44 = lean_ctor_get(x_26, 6);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_26, 7);
-lean_inc(x_45);
-lean_dec(x_26);
-x_46 = !lean_is_exclusive(x_34);
-if (x_46 == 0)
-{
-lean_object* x_47; uint8_t x_48; 
-x_47 = lean_ctor_get(x_34, 0);
-lean_dec(x_47);
-x_48 = !lean_is_exclusive(x_36);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
-x_49 = lean_ctor_get(x_36, 7);
-lean_dec(x_49);
-x_50 = lean_ctor_get(x_36, 6);
-lean_dec(x_50);
-x_51 = lean_ctor_get(x_36, 5);
-lean_dec(x_51);
-x_52 = lean_ctor_get(x_36, 4);
-lean_dec(x_52);
-x_53 = lean_ctor_get(x_36, 3);
-lean_dec(x_53);
-x_54 = lean_ctor_get(x_36, 2);
-lean_dec(x_54);
-x_55 = lean_ctor_get(x_36, 1);
-lean_dec(x_55);
-x_56 = lean_ctor_get(x_36, 0);
-lean_dec(x_56);
-lean_ctor_set(x_36, 7, x_45);
-lean_ctor_set(x_36, 6, x_44);
-lean_ctor_set(x_36, 5, x_43);
-lean_ctor_set(x_36, 4, x_42);
-lean_ctor_set(x_36, 3, x_41);
-lean_ctor_set(x_36, 2, x_40);
-lean_ctor_set(x_36, 1, x_39);
-lean_ctor_set(x_36, 0, x_38);
-x_57 = lean_st_ref_set(x_4, x_34, x_37);
-lean_dec(x_4);
-x_58 = !lean_is_exclusive(x_57);
-if (x_58 == 0)
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_59 = lean_ctor_get(x_57, 0);
-lean_dec(x_59);
-x_60 = lean_box(0);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_29);
-lean_ctor_set(x_61, 1, x_60);
-lean_ctor_set(x_57, 0, x_61);
-x_8 = x_57;
-goto block_20;
+if (lean_is_exclusive(x_42)) {
+ lean_ctor_release(x_42, 0);
+ lean_ctor_release(x_42, 1);
+ x_44 = x_42;
+} else {
+ lean_dec_ref(x_42);
+ x_44 = lean_box(0);
 }
-else
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_62 = lean_ctor_get(x_57, 1);
-lean_inc(x_62);
-lean_dec(x_57);
-x_63 = lean_box(0);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_29);
-lean_ctor_set(x_64, 1, x_63);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_62);
-x_8 = x_65;
-goto block_20;
+if (lean_is_scalar(x_44)) {
+ x_45 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_45 = x_44;
+}
+lean_ctor_set(x_45, 0, x_24);
+lean_ctor_set(x_45, 1, x_43);
+return x_45;
 }
 }
 else
 {
-uint8_t x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_66 = lean_ctor_get_uint8(x_36, sizeof(void*)*8);
-lean_dec(x_36);
-x_67 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_67, 0, x_38);
-lean_ctor_set(x_67, 1, x_39);
-lean_ctor_set(x_67, 2, x_40);
-lean_ctor_set(x_67, 3, x_41);
-lean_ctor_set(x_67, 4, x_42);
-lean_ctor_set(x_67, 5, x_43);
-lean_ctor_set(x_67, 6, x_44);
-lean_ctor_set(x_67, 7, x_45);
-lean_ctor_set_uint8(x_67, sizeof(void*)*8, x_66);
-lean_ctor_set(x_34, 0, x_67);
-x_68 = lean_st_ref_set(x_4, x_34, x_37);
-lean_dec(x_4);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- x_70 = x_68;
-} else {
- lean_dec_ref(x_68);
- x_70 = lean_box(0);
-}
-x_71 = lean_box(0);
-x_72 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_72, 0, x_29);
-lean_ctor_set(x_72, 1, x_71);
-if (lean_is_scalar(x_70)) {
- x_73 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_73 = x_70;
-}
-lean_ctor_set(x_73, 0, x_72);
-lean_ctor_set(x_73, 1, x_69);
-x_8 = x_73;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_74 = lean_ctor_get(x_34, 1);
-x_75 = lean_ctor_get(x_34, 2);
-x_76 = lean_ctor_get(x_34, 3);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_34);
-x_77 = lean_ctor_get_uint8(x_36, sizeof(void*)*8);
-if (lean_is_exclusive(x_36)) {
- lean_ctor_release(x_36, 0);
- lean_ctor_release(x_36, 1);
- lean_ctor_release(x_36, 2);
- lean_ctor_release(x_36, 3);
- lean_ctor_release(x_36, 4);
- lean_ctor_release(x_36, 5);
- lean_ctor_release(x_36, 6);
- lean_ctor_release(x_36, 7);
- x_78 = x_36;
-} else {
- lean_dec_ref(x_36);
- x_78 = lean_box(0);
-}
-if (lean_is_scalar(x_78)) {
- x_79 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_79 = x_78;
-}
-lean_ctor_set(x_79, 0, x_38);
-lean_ctor_set(x_79, 1, x_39);
-lean_ctor_set(x_79, 2, x_40);
-lean_ctor_set(x_79, 3, x_41);
-lean_ctor_set(x_79, 4, x_42);
-lean_ctor_set(x_79, 5, x_43);
-lean_ctor_set(x_79, 6, x_44);
-lean_ctor_set(x_79, 7, x_45);
-lean_ctor_set_uint8(x_79, sizeof(void*)*8, x_77);
-x_80 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_74);
-lean_ctor_set(x_80, 2, x_75);
-lean_ctor_set(x_80, 3, x_76);
-x_81 = lean_st_ref_set(x_4, x_80, x_37);
-lean_dec(x_4);
-x_82 = lean_ctor_get(x_81, 1);
-lean_inc(x_82);
-if (lean_is_exclusive(x_81)) {
- lean_ctor_release(x_81, 0);
- lean_ctor_release(x_81, 1);
- x_83 = x_81;
-} else {
- lean_dec_ref(x_81);
- x_83 = lean_box(0);
-}
-x_84 = lean_box(0);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_29);
-lean_ctor_set(x_85, 1, x_84);
-if (lean_is_scalar(x_83)) {
- x_86 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_86 = x_83;
-}
-lean_ctor_set(x_86, 0, x_85);
-lean_ctor_set(x_86, 1, x_82);
-x_8 = x_86;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_87; uint8_t x_88; 
-x_87 = lean_ctor_get(x_33, 1);
-lean_inc(x_87);
-lean_dec(x_33);
-x_88 = !lean_is_exclusive(x_26);
-if (x_88 == 0)
-{
-uint8_t x_89; 
-x_89 = !lean_is_exclusive(x_34);
-if (x_89 == 0)
-{
-lean_object* x_90; uint8_t x_91; lean_object* x_92; uint8_t x_93; 
-x_90 = lean_ctor_get(x_34, 0);
-lean_dec(x_90);
-x_91 = 1;
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_91);
-lean_ctor_set(x_34, 0, x_26);
-x_92 = lean_st_ref_set(x_4, x_34, x_87);
-lean_dec(x_4);
-x_93 = !lean_is_exclusive(x_92);
-if (x_93 == 0)
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_92, 0);
-lean_dec(x_94);
-x_95 = lean_box(0);
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_29);
-lean_ctor_set(x_96, 1, x_95);
-lean_ctor_set(x_92, 0, x_96);
-x_8 = x_92;
-goto block_20;
-}
-else
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
-x_97 = lean_ctor_get(x_92, 1);
-lean_inc(x_97);
-lean_dec(x_92);
-x_98 = lean_box(0);
-x_99 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_99, 0, x_29);
-lean_ctor_set(x_99, 1, x_98);
-x_100 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_100, 0, x_99);
-lean_ctor_set(x_100, 1, x_97);
-x_8 = x_100;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_101 = lean_ctor_get(x_34, 1);
-x_102 = lean_ctor_get(x_34, 2);
-x_103 = lean_ctor_get(x_34, 3);
-lean_inc(x_103);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_dec(x_34);
-x_104 = 1;
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_104);
-x_105 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_105, 0, x_26);
-lean_ctor_set(x_105, 1, x_101);
-lean_ctor_set(x_105, 2, x_102);
-lean_ctor_set(x_105, 3, x_103);
-x_106 = lean_st_ref_set(x_4, x_105, x_87);
-lean_dec(x_4);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
-}
-x_109 = lean_box(0);
-x_110 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_110, 0, x_29);
-lean_ctor_set(x_110, 1, x_109);
-if (lean_is_scalar(x_108)) {
- x_111 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_111 = x_108;
-}
-lean_ctor_set(x_111, 0, x_110);
-lean_ctor_set(x_111, 1, x_107);
-x_8 = x_111;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-x_112 = lean_ctor_get(x_26, 0);
-x_113 = lean_ctor_get(x_26, 1);
-x_114 = lean_ctor_get(x_26, 2);
-x_115 = lean_ctor_get(x_26, 3);
-x_116 = lean_ctor_get(x_26, 4);
-x_117 = lean_ctor_get(x_26, 5);
-x_118 = lean_ctor_get(x_26, 6);
-x_119 = lean_ctor_get(x_26, 7);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_dec(x_26);
-x_120 = lean_ctor_get(x_34, 1);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_34, 2);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_34, 3);
-lean_inc(x_122);
-if (lean_is_exclusive(x_34)) {
- lean_ctor_release(x_34, 0);
- lean_ctor_release(x_34, 1);
- lean_ctor_release(x_34, 2);
- lean_ctor_release(x_34, 3);
- x_123 = x_34;
-} else {
- lean_dec_ref(x_34);
- x_123 = lean_box(0);
-}
-x_124 = 1;
-x_125 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_125, 0, x_112);
-lean_ctor_set(x_125, 1, x_113);
-lean_ctor_set(x_125, 2, x_114);
-lean_ctor_set(x_125, 3, x_115);
-lean_ctor_set(x_125, 4, x_116);
-lean_ctor_set(x_125, 5, x_117);
-lean_ctor_set(x_125, 6, x_118);
-lean_ctor_set(x_125, 7, x_119);
-lean_ctor_set_uint8(x_125, sizeof(void*)*8, x_124);
-if (lean_is_scalar(x_123)) {
- x_126 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_126 = x_123;
-}
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_120);
-lean_ctor_set(x_126, 2, x_121);
-lean_ctor_set(x_126, 3, x_122);
-x_127 = lean_st_ref_set(x_4, x_126, x_87);
-lean_dec(x_4);
-x_128 = lean_ctor_get(x_127, 1);
-lean_inc(x_128);
-if (lean_is_exclusive(x_127)) {
- lean_ctor_release(x_127, 0);
- lean_ctor_release(x_127, 1);
- x_129 = x_127;
-} else {
- lean_dec_ref(x_127);
- x_129 = lean_box(0);
-}
-x_130 = lean_box(0);
-x_131 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_131, 0, x_29);
-lean_ctor_set(x_131, 1, x_130);
-if (lean_is_scalar(x_129)) {
- x_132 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_132 = x_129;
-}
-lean_ctor_set(x_132, 0, x_131);
-lean_ctor_set(x_132, 1, x_128);
-x_8 = x_132;
-goto block_20;
-}
-}
-}
-else
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; 
-x_133 = lean_ctor_get(x_28, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_28, 1);
-lean_inc(x_134);
-lean_dec(x_28);
-x_135 = lean_st_ref_get(x_6, x_134);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+x_46 = lean_ctor_get(x_23, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_23, 1);
+lean_inc(x_47);
+lean_dec(x_23);
+x_48 = lean_st_ref_get(x_6, x_47);
 lean_dec(x_6);
-x_136 = lean_ctor_get(x_135, 1);
-lean_inc(x_136);
-lean_dec(x_135);
-x_137 = lean_st_ref_take(x_4, x_136);
-x_138 = lean_ctor_get(x_137, 0);
-lean_inc(x_138);
-x_139 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (x_139 == 0)
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_4, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
-x_140 = lean_ctor_get(x_138, 0);
-lean_inc(x_140);
-x_141 = lean_ctor_get(x_137, 1);
-lean_inc(x_141);
-lean_dec(x_137);
-x_142 = lean_ctor_get(x_26, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_26, 1);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_26, 2);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_26, 3);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_26, 4);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_26, 5);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_26, 6);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_26, 7);
-lean_inc(x_149);
-lean_dec(x_26);
-x_150 = !lean_is_exclusive(x_138);
-if (x_150 == 0)
-{
-lean_object* x_151; uint8_t x_152; 
-x_151 = lean_ctor_get(x_138, 0);
-lean_dec(x_151);
-x_152 = !lean_is_exclusive(x_140);
-if (x_152 == 0)
-{
-lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; uint8_t x_162; 
-x_153 = lean_ctor_get(x_140, 7);
-lean_dec(x_153);
-x_154 = lean_ctor_get(x_140, 6);
-lean_dec(x_154);
-x_155 = lean_ctor_get(x_140, 5);
-lean_dec(x_155);
-x_156 = lean_ctor_get(x_140, 4);
-lean_dec(x_156);
-x_157 = lean_ctor_get(x_140, 3);
-lean_dec(x_157);
-x_158 = lean_ctor_get(x_140, 2);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_140, 1);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_140, 0);
-lean_dec(x_160);
-lean_ctor_set(x_140, 7, x_149);
-lean_ctor_set(x_140, 6, x_148);
-lean_ctor_set(x_140, 5, x_147);
-lean_ctor_set(x_140, 4, x_146);
-lean_ctor_set(x_140, 3, x_145);
-lean_ctor_set(x_140, 2, x_144);
-lean_ctor_set(x_140, 1, x_143);
-lean_ctor_set(x_140, 0, x_142);
-x_161 = lean_st_ref_set(x_4, x_138, x_141);
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+lean_dec(x_54);
+lean_ctor_set(x_51, 0, x_13);
+x_55 = lean_st_ref_set(x_4, x_51, x_52);
 lean_dec(x_4);
-x_162 = !lean_is_exclusive(x_161);
-if (x_162 == 0)
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_163; 
-x_163 = lean_ctor_get(x_161, 0);
-lean_dec(x_163);
-lean_ctor_set_tag(x_161, 1);
-lean_ctor_set(x_161, 0, x_133);
-x_8 = x_161;
-goto block_20;
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set_tag(x_55, 1);
+lean_ctor_set(x_55, 0, x_46);
+return x_55;
 }
 else
 {
-lean_object* x_164; lean_object* x_165; 
-x_164 = lean_ctor_get(x_161, 1);
-lean_inc(x_164);
-lean_dec(x_161);
-x_165 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_165, 0, x_133);
-lean_ctor_set(x_165, 1, x_164);
-x_8 = x_165;
-goto block_20;
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
+lean_inc(x_58);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_59, 0, x_46);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
 }
 else
 {
-uint8_t x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_166 = lean_ctor_get_uint8(x_140, sizeof(void*)*8);
-lean_dec(x_140);
-x_167 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_167, 0, x_142);
-lean_ctor_set(x_167, 1, x_143);
-lean_ctor_set(x_167, 2, x_144);
-lean_ctor_set(x_167, 3, x_145);
-lean_ctor_set(x_167, 4, x_146);
-lean_ctor_set(x_167, 5, x_147);
-lean_ctor_set(x_167, 6, x_148);
-lean_ctor_set(x_167, 7, x_149);
-lean_ctor_set_uint8(x_167, sizeof(void*)*8, x_166);
-lean_ctor_set(x_138, 0, x_167);
-x_168 = lean_st_ref_set(x_4, x_138, x_141);
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_60 = lean_ctor_get(x_51, 1);
+x_61 = lean_ctor_get(x_51, 2);
+x_62 = lean_ctor_get(x_51, 3);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_51);
+x_63 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_63, 0, x_13);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_61);
+lean_ctor_set(x_63, 3, x_62);
+x_64 = lean_st_ref_set(x_4, x_63, x_52);
 lean_dec(x_4);
-x_169 = lean_ctor_get(x_168, 1);
-lean_inc(x_169);
-if (lean_is_exclusive(x_168)) {
- lean_ctor_release(x_168, 0);
- lean_ctor_release(x_168, 1);
- x_170 = x_168;
+x_65 = lean_ctor_get(x_64, 1);
+lean_inc(x_65);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_66 = x_64;
 } else {
- lean_dec_ref(x_168);
- x_170 = lean_box(0);
+ lean_dec_ref(x_64);
+ x_66 = lean_box(0);
 }
-if (lean_is_scalar(x_170)) {
- x_171 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_66)) {
+ x_67 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_171 = x_170;
- lean_ctor_set_tag(x_171, 1);
+ x_67 = x_66;
+ lean_ctor_set_tag(x_67, 1);
+}
+lean_ctor_set(x_67, 0, x_46);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
-lean_ctor_set(x_171, 0, x_133);
-lean_ctor_set(x_171, 1, x_169);
-x_8 = x_171;
-goto block_20;
 }
 }
 else
 {
-lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-x_172 = lean_ctor_get(x_138, 1);
-x_173 = lean_ctor_get(x_138, 2);
-x_174 = lean_ctor_get(x_138, 3);
-lean_inc(x_174);
-lean_inc(x_173);
-lean_inc(x_172);
-lean_dec(x_138);
-x_175 = lean_ctor_get_uint8(x_140, sizeof(void*)*8);
-if (lean_is_exclusive(x_140)) {
- lean_ctor_release(x_140, 0);
- lean_ctor_release(x_140, 1);
- lean_ctor_release(x_140, 2);
- lean_ctor_release(x_140, 3);
- lean_ctor_release(x_140, 4);
- lean_ctor_release(x_140, 5);
- lean_ctor_release(x_140, 6);
- lean_ctor_release(x_140, 7);
- x_176 = x_140;
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_68 = lean_ctor_get(x_17, 1);
+x_69 = lean_ctor_get(x_17, 2);
+x_70 = lean_ctor_get(x_17, 3);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_dec(x_17);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_1);
+lean_ctor_set(x_71, 1, x_68);
+lean_ctor_set(x_71, 2, x_69);
+lean_ctor_set(x_71, 3, x_70);
+x_72 = lean_st_ref_set(x_4, x_71, x_18);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+lean_inc(x_6);
+lean_inc(x_4);
+x_74 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_73);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = lean_st_ref_get(x_6, x_76);
+lean_dec(x_6);
+x_78 = lean_ctor_get(x_77, 1);
+lean_inc(x_78);
+lean_dec(x_77);
+x_79 = lean_st_ref_take(x_4, x_78);
+x_80 = lean_ctor_get(x_79, 0);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_79, 1);
+lean_inc(x_81);
+lean_dec(x_79);
+x_82 = lean_ctor_get(x_80, 1);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_80, 2);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_80, 3);
+lean_inc(x_84);
+if (lean_is_exclusive(x_80)) {
+ lean_ctor_release(x_80, 0);
+ lean_ctor_release(x_80, 1);
+ lean_ctor_release(x_80, 2);
+ lean_ctor_release(x_80, 3);
+ x_85 = x_80;
 } else {
- lean_dec_ref(x_140);
- x_176 = lean_box(0);
+ lean_dec_ref(x_80);
+ x_85 = lean_box(0);
 }
-if (lean_is_scalar(x_176)) {
- x_177 = lean_alloc_ctor(0, 8, 1);
+if (lean_is_scalar(x_85)) {
+ x_86 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_177 = x_176;
+ x_86 = x_85;
 }
-lean_ctor_set(x_177, 0, x_142);
-lean_ctor_set(x_177, 1, x_143);
-lean_ctor_set(x_177, 2, x_144);
-lean_ctor_set(x_177, 3, x_145);
-lean_ctor_set(x_177, 4, x_146);
-lean_ctor_set(x_177, 5, x_147);
-lean_ctor_set(x_177, 6, x_148);
-lean_ctor_set(x_177, 7, x_149);
-lean_ctor_set_uint8(x_177, sizeof(void*)*8, x_175);
-x_178 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_172);
-lean_ctor_set(x_178, 2, x_173);
-lean_ctor_set(x_178, 3, x_174);
-x_179 = lean_st_ref_set(x_4, x_178, x_141);
+lean_ctor_set(x_86, 0, x_13);
+lean_ctor_set(x_86, 1, x_82);
+lean_ctor_set(x_86, 2, x_83);
+lean_ctor_set(x_86, 3, x_84);
+x_87 = lean_st_ref_set(x_4, x_86, x_81);
 lean_dec(x_4);
-x_180 = lean_ctor_get(x_179, 1);
-lean_inc(x_180);
-if (lean_is_exclusive(x_179)) {
- lean_ctor_release(x_179, 0);
- lean_ctor_release(x_179, 1);
- x_181 = x_179;
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+if (lean_is_exclusive(x_87)) {
+ lean_ctor_release(x_87, 0);
+ lean_ctor_release(x_87, 1);
+ x_89 = x_87;
 } else {
- lean_dec_ref(x_179);
- x_181 = lean_box(0);
+ lean_dec_ref(x_87);
+ x_89 = lean_box(0);
 }
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_89)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_182 = x_181;
- lean_ctor_set_tag(x_182, 1);
-}
-lean_ctor_set(x_182, 0, x_133);
-lean_ctor_set(x_182, 1, x_180);
-x_8 = x_182;
-goto block_20;
+ x_90 = x_89;
 }
+lean_ctor_set(x_90, 0, x_75);
+lean_ctor_set(x_90, 1, x_88);
+return x_90;
 }
 else
 {
-lean_object* x_183; uint8_t x_184; 
-x_183 = lean_ctor_get(x_137, 1);
-lean_inc(x_183);
-lean_dec(x_137);
-x_184 = !lean_is_exclusive(x_26);
-if (x_184 == 0)
-{
-uint8_t x_185; 
-x_185 = !lean_is_exclusive(x_138);
-if (x_185 == 0)
-{
-lean_object* x_186; uint8_t x_187; lean_object* x_188; uint8_t x_189; 
-x_186 = lean_ctor_get(x_138, 0);
-lean_dec(x_186);
-x_187 = 1;
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_187);
-lean_ctor_set(x_138, 0, x_26);
-x_188 = lean_st_ref_set(x_4, x_138, x_183);
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+x_91 = lean_ctor_get(x_74, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_74, 1);
+lean_inc(x_92);
+lean_dec(x_74);
+x_93 = lean_st_ref_get(x_6, x_92);
+lean_dec(x_6);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+lean_dec(x_93);
+x_95 = lean_st_ref_take(x_4, x_94);
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = lean_ctor_get(x_96, 1);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_96, 2);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_96, 3);
+lean_inc(x_100);
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ lean_ctor_release(x_96, 2);
+ lean_ctor_release(x_96, 3);
+ x_101 = x_96;
+} else {
+ lean_dec_ref(x_96);
+ x_101 = lean_box(0);
+}
+if (lean_is_scalar(x_101)) {
+ x_102 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_102 = x_101;
+}
+lean_ctor_set(x_102, 0, x_13);
+lean_ctor_set(x_102, 1, x_98);
+lean_ctor_set(x_102, 2, x_99);
+lean_ctor_set(x_102, 3, x_100);
+x_103 = lean_st_ref_set(x_4, x_102, x_97);
 lean_dec(x_4);
-x_189 = !lean_is_exclusive(x_188);
-if (x_189 == 0)
-{
-lean_object* x_190; 
-x_190 = lean_ctor_get(x_188, 0);
-lean_dec(x_190);
-lean_ctor_set_tag(x_188, 1);
-lean_ctor_set(x_188, 0, x_133);
-x_8 = x_188;
-goto block_20;
-}
-else
-{
-lean_object* x_191; lean_object* x_192; 
-x_191 = lean_ctor_get(x_188, 1);
-lean_inc(x_191);
-lean_dec(x_188);
-x_192 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_192, 0, x_133);
-lean_ctor_set(x_192, 1, x_191);
-x_8 = x_192;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; uint8_t x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_193 = lean_ctor_get(x_138, 1);
-x_194 = lean_ctor_get(x_138, 2);
-x_195 = lean_ctor_get(x_138, 3);
-lean_inc(x_195);
-lean_inc(x_194);
-lean_inc(x_193);
-lean_dec(x_138);
-x_196 = 1;
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_196);
-x_197 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_197, 0, x_26);
-lean_ctor_set(x_197, 1, x_193);
-lean_ctor_set(x_197, 2, x_194);
-lean_ctor_set(x_197, 3, x_195);
-x_198 = lean_st_ref_set(x_4, x_197, x_183);
-lean_dec(x_4);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-if (lean_is_exclusive(x_198)) {
- lean_ctor_release(x_198, 0);
- lean_ctor_release(x_198, 1);
- x_200 = x_198;
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
 } else {
- lean_dec_ref(x_198);
- x_200 = lean_box(0);
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
 }
-if (lean_is_scalar(x_200)) {
- x_201 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_105)) {
+ x_106 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_201 = x_200;
- lean_ctor_set_tag(x_201, 1);
-}
-lean_ctor_set(x_201, 0, x_133);
-lean_ctor_set(x_201, 1, x_199);
-x_8 = x_201;
-goto block_20;
-}
-}
-else
-{
-lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; uint8_t x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_202 = lean_ctor_get(x_26, 0);
-x_203 = lean_ctor_get(x_26, 1);
-x_204 = lean_ctor_get(x_26, 2);
-x_205 = lean_ctor_get(x_26, 3);
-x_206 = lean_ctor_get(x_26, 4);
-x_207 = lean_ctor_get(x_26, 5);
-x_208 = lean_ctor_get(x_26, 6);
-x_209 = lean_ctor_get(x_26, 7);
-lean_inc(x_209);
-lean_inc(x_208);
-lean_inc(x_207);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_dec(x_26);
-x_210 = lean_ctor_get(x_138, 1);
-lean_inc(x_210);
-x_211 = lean_ctor_get(x_138, 2);
-lean_inc(x_211);
-x_212 = lean_ctor_get(x_138, 3);
-lean_inc(x_212);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- lean_ctor_release(x_138, 2);
- lean_ctor_release(x_138, 3);
- x_213 = x_138;
-} else {
- lean_dec_ref(x_138);
- x_213 = lean_box(0);
-}
-x_214 = 1;
-x_215 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_215, 0, x_202);
-lean_ctor_set(x_215, 1, x_203);
-lean_ctor_set(x_215, 2, x_204);
-lean_ctor_set(x_215, 3, x_205);
-lean_ctor_set(x_215, 4, x_206);
-lean_ctor_set(x_215, 5, x_207);
-lean_ctor_set(x_215, 6, x_208);
-lean_ctor_set(x_215, 7, x_209);
-lean_ctor_set_uint8(x_215, sizeof(void*)*8, x_214);
-if (lean_is_scalar(x_213)) {
- x_216 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_216 = x_213;
-}
-lean_ctor_set(x_216, 0, x_215);
-lean_ctor_set(x_216, 1, x_210);
-lean_ctor_set(x_216, 2, x_211);
-lean_ctor_set(x_216, 3, x_212);
-x_217 = lean_st_ref_set(x_4, x_216, x_183);
-lean_dec(x_4);
-x_218 = lean_ctor_get(x_217, 1);
-lean_inc(x_218);
-if (lean_is_exclusive(x_217)) {
- lean_ctor_release(x_217, 0);
- lean_ctor_release(x_217, 1);
- x_219 = x_217;
-} else {
- lean_dec_ref(x_217);
- x_219 = lean_box(0);
-}
-if (lean_is_scalar(x_219)) {
- x_220 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_220 = x_219;
- lean_ctor_set_tag(x_220, 1);
-}
-lean_ctor_set(x_220, 0, x_133);
-lean_ctor_set(x_220, 1, x_218);
-x_8 = x_220;
-goto block_20;
-}
+ x_106 = x_105;
+ lean_ctor_set_tag(x_106, 1);
 }
+lean_ctor_set(x_106, 0, x_91);
+lean_ctor_set(x_106, 1, x_104);
+return x_106;
 }
 }
 }
@@ -28414,48 +24141,45 @@ lean_dec(x_15);
 x_16 = !lean_is_exclusive(x_12);
 if (x_16 == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; uint8_t x_21; 
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_17 = lean_ctor_get(x_12, 5);
 x_18 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_17, x_1, x_2);
-x_19 = 1;
 lean_ctor_set(x_12, 5, x_18);
-lean_ctor_set_uint8(x_12, sizeof(void*)*8, x_19);
-x_20 = lean_st_ref_set(x_4, x_11, x_13);
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
+x_19 = lean_st_ref_set(x_4, x_11, x_13);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_20, 0);
-lean_dec(x_22);
-x_23 = lean_box(0);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_19, 0, x_22);
+return x_19;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_20, 1);
-lean_inc(x_24);
-lean_dec(x_20);
-x_25 = lean_box(0);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_24);
-return x_26;
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
 }
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_27 = lean_ctor_get(x_12, 0);
-x_28 = lean_ctor_get(x_12, 1);
-x_29 = lean_ctor_get(x_12, 2);
-x_30 = lean_ctor_get(x_12, 3);
-x_31 = lean_ctor_get(x_12, 4);
-x_32 = lean_ctor_get(x_12, 5);
-x_33 = lean_ctor_get(x_12, 6);
-x_34 = lean_ctor_get(x_12, 7);
-lean_inc(x_34);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_26 = lean_ctor_get(x_12, 0);
+x_27 = lean_ctor_get(x_12, 1);
+x_28 = lean_ctor_get(x_12, 2);
+x_29 = lean_ctor_get(x_12, 3);
+x_30 = lean_ctor_get(x_12, 4);
+x_31 = lean_ctor_get(x_12, 5);
+x_32 = lean_ctor_get(x_12, 6);
+x_33 = lean_ctor_get(x_12, 7);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
@@ -28463,68 +24187,67 @@ lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
+lean_inc(x_26);
 lean_dec(x_12);
-x_35 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_32, x_1, x_2);
-x_36 = 1;
-x_37 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_37, 0, x_27);
-lean_ctor_set(x_37, 1, x_28);
-lean_ctor_set(x_37, 2, x_29);
-lean_ctor_set(x_37, 3, x_30);
-lean_ctor_set(x_37, 4, x_31);
-lean_ctor_set(x_37, 5, x_35);
-lean_ctor_set(x_37, 6, x_33);
-lean_ctor_set(x_37, 7, x_34);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_36);
-lean_ctor_set(x_11, 0, x_37);
-x_38 = lean_st_ref_set(x_4, x_11, x_13);
-x_39 = lean_ctor_get(x_38, 1);
-lean_inc(x_39);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- lean_ctor_release(x_38, 1);
+x_34 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_31, x_1, x_2);
+x_35 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_35, 0, x_26);
+lean_ctor_set(x_35, 1, x_27);
+lean_ctor_set(x_35, 2, x_28);
+lean_ctor_set(x_35, 3, x_29);
+lean_ctor_set(x_35, 4, x_30);
+lean_ctor_set(x_35, 5, x_34);
+lean_ctor_set(x_35, 6, x_32);
+lean_ctor_set(x_35, 7, x_33);
+lean_ctor_set(x_11, 0, x_35);
+x_36 = lean_st_ref_set(x_4, x_11, x_13);
+x_37 = lean_ctor_get(x_36, 1);
+lean_inc(x_37);
+if (lean_is_exclusive(x_36)) {
+ lean_ctor_release(x_36, 0);
+ lean_ctor_release(x_36, 1);
+ x_38 = x_36;
+} else {
+ lean_dec_ref(x_36);
+ x_38 = lean_box(0);
+}
+x_39 = lean_box(0);
+if (lean_is_scalar(x_38)) {
+ x_40 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_40 = x_38;
-} else {
- lean_dec_ref(x_38);
- x_40 = lean_box(0);
 }
-x_41 = lean_box(0);
-if (lean_is_scalar(x_40)) {
- x_42 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_42 = x_40;
-}
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_39);
-return x_42;
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_37);
+return x_40;
 }
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_43 = lean_ctor_get(x_11, 1);
-x_44 = lean_ctor_get(x_11, 2);
-x_45 = lean_ctor_get(x_11, 3);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_41 = lean_ctor_get(x_11, 1);
+x_42 = lean_ctor_get(x_11, 2);
+x_43 = lean_ctor_get(x_11, 3);
 lean_inc(x_43);
+lean_inc(x_42);
+lean_inc(x_41);
 lean_dec(x_11);
-x_46 = lean_ctor_get(x_12, 0);
+x_44 = lean_ctor_get(x_12, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_12, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_12, 2);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_12, 1);
+x_47 = lean_ctor_get(x_12, 3);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_12, 2);
+x_48 = lean_ctor_get(x_12, 4);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_12, 3);
+x_49 = lean_ctor_get(x_12, 5);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_12, 4);
+x_50 = lean_ctor_get(x_12, 6);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_12, 5);
+x_51 = lean_ctor_get(x_12, 7);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_12, 6);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_12, 7);
-lean_inc(x_53);
 if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 0);
  lean_ctor_release(x_12, 1);
@@ -28534,52 +24257,50 @@ if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 5);
  lean_ctor_release(x_12, 6);
  lean_ctor_release(x_12, 7);
- x_54 = x_12;
+ x_52 = x_12;
 } else {
  lean_dec_ref(x_12);
- x_54 = lean_box(0);
+ x_52 = lean_box(0);
 }
-x_55 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_51, x_1, x_2);
-x_56 = 1;
-if (lean_is_scalar(x_54)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
+x_53 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_49, x_1, x_2);
+if (lean_is_scalar(x_52)) {
+ x_54 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_57 = x_54;
+ x_54 = x_52;
 }
-lean_ctor_set(x_57, 0, x_46);
-lean_ctor_set(x_57, 1, x_47);
-lean_ctor_set(x_57, 2, x_48);
-lean_ctor_set(x_57, 3, x_49);
-lean_ctor_set(x_57, 4, x_50);
-lean_ctor_set(x_57, 5, x_55);
-lean_ctor_set(x_57, 6, x_52);
-lean_ctor_set(x_57, 7, x_53);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_56);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_43);
-lean_ctor_set(x_58, 2, x_44);
-lean_ctor_set(x_58, 3, x_45);
-x_59 = lean_st_ref_set(x_4, x_58, x_13);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
+lean_ctor_set(x_54, 0, x_44);
+lean_ctor_set(x_54, 1, x_45);
+lean_ctor_set(x_54, 2, x_46);
+lean_ctor_set(x_54, 3, x_47);
+lean_ctor_set(x_54, 4, x_48);
+lean_ctor_set(x_54, 5, x_53);
+lean_ctor_set(x_54, 6, x_50);
+lean_ctor_set(x_54, 7, x_51);
+x_55 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_41);
+lean_ctor_set(x_55, 2, x_42);
+lean_ctor_set(x_55, 3, x_43);
+x_56 = lean_st_ref_set(x_4, x_55, x_13);
+x_57 = lean_ctor_get(x_56, 1);
+lean_inc(x_57);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_58 = x_56;
 } else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
+ lean_dec_ref(x_56);
+ x_58 = lean_box(0);
 }
-x_62 = lean_box(0);
-if (lean_is_scalar(x_61)) {
- x_63 = lean_alloc_ctor(0, 2, 0);
+x_59 = lean_box(0);
+if (lean_is_scalar(x_58)) {
+ x_60 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_63 = x_61;
+ x_60 = x_58;
 }
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_60);
-return x_63;
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_57);
+return x_60;
 }
 }
 }
@@ -28881,114 +24602,165 @@ return x_84;
 }
 case 5:
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; 
 x_85 = lean_ctor_get(x_1, 0);
 lean_inc(x_85);
-x_101 = lean_st_ref_get(x_5, x_6);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_103 = lean_st_ref_get(x_3, x_102);
-x_104 = lean_ctor_get(x_103, 0);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_103, 1);
-lean_inc(x_105);
-lean_dec(x_103);
-x_106 = lean_ctor_get(x_104, 0);
-lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_ctor_get(x_106, 5);
-lean_inc(x_107);
-lean_dec(x_106);
+x_86 = lean_st_ref_get(x_5, x_6);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+lean_dec(x_86);
+x_88 = lean_st_ref_get(x_3, x_87);
+x_89 = !lean_is_exclusive(x_88);
+if (x_89 == 0)
+{
+lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_90 = lean_ctor_get(x_88, 0);
+x_91 = lean_ctor_get(x_88, 1);
+x_92 = lean_ctor_get(x_90, 0);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_ctor_get(x_92, 5);
+lean_inc(x_93);
+lean_dec(x_92);
 lean_inc(x_85);
-x_108 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_107, x_85);
-if (lean_obj_tag(x_108) == 0)
+x_94 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_93, x_85);
+if (lean_obj_tag(x_94) == 0)
 {
-x_86 = x_108;
-x_87 = x_105;
-goto block_100;
-}
-else
-{
-lean_object* x_109; lean_object* x_110; 
-x_109 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_105);
-x_110 = lean_ctor_get(x_109, 1);
-lean_inc(x_110);
-lean_dec(x_109);
-x_86 = x_108;
-x_87 = x_110;
-goto block_100;
-}
-block_100:
-{
-if (lean_obj_tag(x_86) == 0)
-{
-lean_object* x_88; 
 lean_dec(x_85);
-x_88 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_88, 0, x_1);
-lean_ctor_set(x_88, 1, x_87);
 return x_88;
 }
 else
 {
-lean_object* x_89; uint8_t x_90; 
+lean_object* x_95; uint8_t x_96; 
 lean_dec(x_1);
-x_89 = lean_ctor_get(x_86, 0);
-lean_inc(x_89);
-lean_dec(x_86);
-x_90 = l_Lean_Level_hasMVar(x_89);
-if (x_90 == 0)
-{
-lean_object* x_91; 
-lean_dec(x_85);
-x_91 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_91, 0, x_89);
-lean_ctor_set(x_91, 1, x_87);
-return x_91;
-}
-else
-{
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; 
-x_92 = l_Lean_instantiateLevelMVars___at_Lean_Meta_normalizeLevel___spec__1(x_89, x_2, x_3, x_4, x_5, x_87);
-x_93 = lean_ctor_get(x_92, 0);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_92, 1);
-lean_inc(x_94);
-lean_dec(x_92);
-lean_inc(x_93);
-x_95 = l_Lean_assignLevelMVar___at_Lean_Meta_normalizeLevel___spec__2(x_85, x_93, x_2, x_3, x_4, x_5, x_94);
-x_96 = !lean_is_exclusive(x_95);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+lean_dec(x_94);
+x_96 = l_Lean_Level_hasMVar(x_95);
 if (x_96 == 0)
 {
-lean_object* x_97; 
-x_97 = lean_ctor_get(x_95, 0);
-lean_dec(x_97);
-lean_ctor_set(x_95, 0, x_93);
-return x_95;
+lean_dec(x_85);
+lean_ctor_set(x_88, 0, x_95);
+return x_88;
 }
 else
 {
-lean_object* x_98; lean_object* x_99; 
-x_98 = lean_ctor_get(x_95, 1);
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
+lean_free_object(x_88);
+x_97 = l_Lean_instantiateLevelMVars___at_Lean_Meta_normalizeLevel___spec__1(x_95, x_2, x_3, x_4, x_5, x_91);
+x_98 = lean_ctor_get(x_97, 0);
 lean_inc(x_98);
-lean_dec(x_95);
-x_99 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_99, 0, x_93);
-lean_ctor_set(x_99, 1, x_98);
-return x_99;
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+lean_inc(x_98);
+x_100 = l_Lean_assignLevelMVar___at_Lean_Meta_normalizeLevel___spec__2(x_85, x_98, x_2, x_3, x_4, x_5, x_99);
+x_101 = !lean_is_exclusive(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; 
+x_102 = lean_ctor_get(x_100, 0);
+lean_dec(x_102);
+lean_ctor_set(x_100, 0, x_98);
+return x_100;
 }
+else
+{
+lean_object* x_103; lean_object* x_104; 
+x_103 = lean_ctor_get(x_100, 1);
+lean_inc(x_103);
+lean_dec(x_100);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_98);
+lean_ctor_set(x_104, 1, x_103);
+return x_104;
+}
+}
+}
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_105 = lean_ctor_get(x_88, 0);
+x_106 = lean_ctor_get(x_88, 1);
+lean_inc(x_106);
+lean_inc(x_105);
+lean_dec(x_88);
+x_107 = lean_ctor_get(x_105, 0);
+lean_inc(x_107);
+lean_dec(x_105);
+x_108 = lean_ctor_get(x_107, 5);
+lean_inc(x_108);
+lean_dec(x_107);
+lean_inc(x_85);
+x_109 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_108, x_85);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_object* x_110; 
+lean_dec(x_85);
+x_110 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_110, 0, x_1);
+lean_ctor_set(x_110, 1, x_106);
+return x_110;
+}
+else
+{
+lean_object* x_111; uint8_t x_112; 
+lean_dec(x_1);
+x_111 = lean_ctor_get(x_109, 0);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = l_Lean_Level_hasMVar(x_111);
+if (x_112 == 0)
+{
+lean_object* x_113; 
+lean_dec(x_85);
+x_113 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_113, 0, x_111);
+lean_ctor_set(x_113, 1, x_106);
+return x_113;
+}
+else
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_114 = l_Lean_instantiateLevelMVars___at_Lean_Meta_normalizeLevel___spec__1(x_111, x_2, x_3, x_4, x_5, x_106);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+lean_inc(x_115);
+x_117 = l_Lean_assignLevelMVar___at_Lean_Meta_normalizeLevel___spec__2(x_85, x_115, x_2, x_3, x_4, x_5, x_116);
+x_118 = lean_ctor_get(x_117, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_119 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_119 = lean_box(0);
+}
+if (lean_is_scalar(x_119)) {
+ x_120 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_120 = x_119;
+}
+lean_ctor_set(x_120, 0, x_115);
+lean_ctor_set(x_120, 1, x_118);
+return x_120;
 }
 }
 }
 }
 default: 
 {
-lean_object* x_111; 
-x_111 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_111, 0, x_1);
-lean_ctor_set(x_111, 1, x_6);
-return x_111;
+lean_object* x_121; 
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_1);
+lean_ctor_set(x_121, 1, x_6);
+return x_121;
 }
 }
 }
@@ -30610,6 +26382,7 @@ x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
 lean_dec(x_11);
 x_13 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_12);
+lean_dec(x_9);
 x_14 = lean_ctor_get(x_13, 1);
 lean_inc(x_14);
 lean_dec(x_13);
@@ -30747,6 +26520,7 @@ x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
 lean_dec(x_12);
 x_14 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_13);
+lean_dec(x_10);
 x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
 lean_dec(x_14);
@@ -30866,7 +26640,7 @@ return x_20;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
 x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
@@ -30875,407 +26649,153 @@ lean_dec(x_20);
 x_23 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_13, x_5, x_6, x_7, x_8, x_22);
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- x_25 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_25 = lean_box(0);
-}
-x_57 = lean_st_ref_get(x_8, x_24);
-x_58 = lean_ctor_get(x_57, 1);
-lean_inc(x_58);
-lean_dec(x_57);
-x_59 = lean_st_ref_take(x_6, x_58);
-x_60 = lean_ctor_get(x_59, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get_uint8(x_19, sizeof(void*)*8);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
-x_62 = lean_ctor_get(x_60, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_59, 1);
-lean_inc(x_63);
-lean_dec(x_59);
-x_64 = lean_ctor_get(x_19, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_19, 1);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_19, 2);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_19, 3);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_19, 4);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_19, 5);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_19, 6);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_19, 7);
-lean_inc(x_71);
-lean_dec(x_19);
-x_72 = !lean_is_exclusive(x_60);
-if (x_72 == 0)
-{
-lean_object* x_73; uint8_t x_74; 
-x_73 = lean_ctor_get(x_60, 0);
-lean_dec(x_73);
-x_74 = !lean_is_exclusive(x_62);
-if (x_74 == 0)
-{
-lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_75 = lean_ctor_get(x_62, 7);
-lean_dec(x_75);
-x_76 = lean_ctor_get(x_62, 6);
-lean_dec(x_76);
-x_77 = lean_ctor_get(x_62, 5);
-lean_dec(x_77);
-x_78 = lean_ctor_get(x_62, 4);
-lean_dec(x_78);
-x_79 = lean_ctor_get(x_62, 3);
-lean_dec(x_79);
-x_80 = lean_ctor_get(x_62, 2);
-lean_dec(x_80);
-x_81 = lean_ctor_get(x_62, 1);
-lean_dec(x_81);
-x_82 = lean_ctor_get(x_62, 0);
-lean_dec(x_82);
-lean_ctor_set(x_62, 7, x_71);
-lean_ctor_set(x_62, 6, x_70);
-lean_ctor_set(x_62, 5, x_69);
-lean_ctor_set(x_62, 4, x_68);
-lean_ctor_set(x_62, 3, x_67);
-lean_ctor_set(x_62, 2, x_66);
-lean_ctor_set(x_62, 1, x_65);
-lean_ctor_set(x_62, 0, x_64);
-x_83 = lean_st_ref_set(x_6, x_60, x_63);
-x_84 = lean_ctor_get(x_83, 1);
-lean_inc(x_84);
-lean_dec(x_83);
-x_26 = x_84;
-goto block_56;
-}
-else
-{
-uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_85 = lean_ctor_get_uint8(x_62, sizeof(void*)*8);
-lean_dec(x_62);
-x_86 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_86, 0, x_64);
-lean_ctor_set(x_86, 1, x_65);
-lean_ctor_set(x_86, 2, x_66);
-lean_ctor_set(x_86, 3, x_67);
-lean_ctor_set(x_86, 4, x_68);
-lean_ctor_set(x_86, 5, x_69);
-lean_ctor_set(x_86, 6, x_70);
-lean_ctor_set(x_86, 7, x_71);
-lean_ctor_set_uint8(x_86, sizeof(void*)*8, x_85);
-lean_ctor_set(x_60, 0, x_86);
-x_87 = lean_st_ref_set(x_6, x_60, x_63);
-x_88 = lean_ctor_get(x_87, 1);
-lean_inc(x_88);
-lean_dec(x_87);
-x_26 = x_88;
-goto block_56;
-}
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_89 = lean_ctor_get(x_60, 1);
-x_90 = lean_ctor_get(x_60, 2);
-x_91 = lean_ctor_get(x_60, 3);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_60);
-x_92 = lean_ctor_get_uint8(x_62, sizeof(void*)*8);
-if (lean_is_exclusive(x_62)) {
- lean_ctor_release(x_62, 0);
- lean_ctor_release(x_62, 1);
- lean_ctor_release(x_62, 2);
- lean_ctor_release(x_62, 3);
- lean_ctor_release(x_62, 4);
- lean_ctor_release(x_62, 5);
- lean_ctor_release(x_62, 6);
- lean_ctor_release(x_62, 7);
- x_93 = x_62;
-} else {
- lean_dec_ref(x_62);
- x_93 = lean_box(0);
-}
-if (lean_is_scalar(x_93)) {
- x_94 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_94 = x_93;
-}
-lean_ctor_set(x_94, 0, x_64);
-lean_ctor_set(x_94, 1, x_65);
-lean_ctor_set(x_94, 2, x_66);
-lean_ctor_set(x_94, 3, x_67);
-lean_ctor_set(x_94, 4, x_68);
-lean_ctor_set(x_94, 5, x_69);
-lean_ctor_set(x_94, 6, x_70);
-lean_ctor_set(x_94, 7, x_71);
-lean_ctor_set_uint8(x_94, sizeof(void*)*8, x_92);
-x_95 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_89);
-lean_ctor_set(x_95, 2, x_90);
-lean_ctor_set(x_95, 3, x_91);
-x_96 = lean_st_ref_set(x_6, x_95, x_63);
-x_97 = lean_ctor_get(x_96, 1);
-lean_inc(x_97);
-lean_dec(x_96);
-x_26 = x_97;
-goto block_56;
-}
-}
-else
-{
-lean_object* x_98; uint8_t x_99; 
-x_98 = lean_ctor_get(x_59, 1);
-lean_inc(x_98);
-lean_dec(x_59);
-x_99 = !lean_is_exclusive(x_19);
-if (x_99 == 0)
-{
-uint8_t x_100; 
-x_100 = !lean_is_exclusive(x_60);
-if (x_100 == 0)
-{
-lean_object* x_101; uint8_t x_102; lean_object* x_103; lean_object* x_104; 
-x_101 = lean_ctor_get(x_60, 0);
-lean_dec(x_101);
-x_102 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_102);
-lean_ctor_set(x_60, 0, x_19);
-x_103 = lean_st_ref_set(x_6, x_60, x_98);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-lean_dec(x_103);
-x_26 = x_104;
-goto block_56;
-}
-else
-{
-lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_105 = lean_ctor_get(x_60, 1);
-x_106 = lean_ctor_get(x_60, 2);
-x_107 = lean_ctor_get(x_60, 3);
-lean_inc(x_107);
-lean_inc(x_106);
-lean_inc(x_105);
-lean_dec(x_60);
-x_108 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_108);
-x_109 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_109, 0, x_19);
-lean_ctor_set(x_109, 1, x_105);
-lean_ctor_set(x_109, 2, x_106);
-lean_ctor_set(x_109, 3, x_107);
-x_110 = lean_st_ref_set(x_6, x_109, x_98);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-lean_dec(x_110);
-x_26 = x_111;
-goto block_56;
-}
-}
-else
-{
-lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
-x_112 = lean_ctor_get(x_19, 0);
-x_113 = lean_ctor_get(x_19, 1);
-x_114 = lean_ctor_get(x_19, 2);
-x_115 = lean_ctor_get(x_19, 3);
-x_116 = lean_ctor_get(x_19, 4);
-x_117 = lean_ctor_get(x_19, 5);
-x_118 = lean_ctor_get(x_19, 6);
-x_119 = lean_ctor_get(x_19, 7);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_dec(x_19);
-x_120 = lean_ctor_get(x_60, 1);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_60, 2);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_60, 3);
-lean_inc(x_122);
-if (lean_is_exclusive(x_60)) {
- lean_ctor_release(x_60, 0);
- lean_ctor_release(x_60, 1);
- lean_ctor_release(x_60, 2);
- lean_ctor_release(x_60, 3);
- x_123 = x_60;
-} else {
- lean_dec_ref(x_60);
- x_123 = lean_box(0);
-}
-x_124 = 1;
-x_125 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_125, 0, x_112);
-lean_ctor_set(x_125, 1, x_113);
-lean_ctor_set(x_125, 2, x_114);
-lean_ctor_set(x_125, 3, x_115);
-lean_ctor_set(x_125, 4, x_116);
-lean_ctor_set(x_125, 5, x_117);
-lean_ctor_set(x_125, 6, x_118);
-lean_ctor_set(x_125, 7, x_119);
-lean_ctor_set_uint8(x_125, sizeof(void*)*8, x_124);
-if (lean_is_scalar(x_123)) {
- x_126 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_126 = x_123;
-}
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_120);
-lean_ctor_set(x_126, 2, x_121);
-lean_ctor_set(x_126, 3, x_122);
-x_127 = lean_st_ref_set(x_6, x_126, x_98);
-x_128 = lean_ctor_get(x_127, 1);
-lean_inc(x_128);
-lean_dec(x_127);
-x_26 = x_128;
-goto block_56;
-}
-}
-block_56:
+lean_dec(x_23);
+x_25 = lean_st_ref_get(x_8, x_24);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = lean_st_ref_take(x_6, x_26);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = !lean_is_exclusive(x_28);
+if (x_30 == 0)
 {
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_28, 0);
+lean_dec(x_31);
+lean_ctor_set(x_28, 0, x_19);
+x_32 = lean_st_ref_set(x_6, x_28, x_29);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-lean_dec(x_25);
-x_27 = lean_ctor_get(x_21, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_21, 1);
-lean_inc(x_28);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_32, 1);
+lean_inc(x_33);
+lean_dec(x_32);
+x_34 = lean_ctor_get(x_21, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_21, 1);
+lean_inc(x_35);
 lean_dec(x_21);
-x_29 = lean_apply_5(x_2, x_5, x_6, x_7, x_8, x_26);
-if (lean_obj_tag(x_29) == 0)
+x_36 = lean_apply_5(x_2, x_5, x_6, x_7, x_8, x_33);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_dec(x_28);
-lean_dec(x_27);
+lean_dec(x_35);
+lean_dec(x_34);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_29;
+return x_36;
 }
 else
 {
-lean_object* x_30; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-if (lean_obj_tag(x_30) == 0)
+lean_object* x_37; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+if (lean_obj_tag(x_37) == 0)
 {
-uint8_t x_31; 
-x_31 = !lean_is_exclusive(x_29);
-if (x_31 == 0)
+uint8_t x_38; 
+x_38 = !lean_is_exclusive(x_36);
+if (x_38 == 0)
 {
-lean_object* x_32; uint8_t x_33; 
-x_32 = lean_ctor_get(x_29, 0);
-lean_dec(x_32);
-x_33 = !lean_is_exclusive(x_30);
-if (x_33 == 0)
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_36, 0);
+lean_dec(x_39);
+x_40 = !lean_is_exclusive(x_37);
+if (x_40 == 0)
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_30, 0);
-x_35 = lean_ctor_get(x_30, 1);
-x_36 = lean_apply_2(x_3, x_27, x_34);
-x_37 = lean_apply_2(x_4, x_28, x_35);
-lean_ctor_set(x_30, 1, x_37);
-lean_ctor_set(x_30, 0, x_36);
-return x_29;
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_41 = lean_ctor_get(x_37, 0);
+x_42 = lean_ctor_get(x_37, 1);
+x_43 = lean_apply_2(x_3, x_34, x_41);
+x_44 = lean_apply_2(x_4, x_35, x_42);
+lean_ctor_set(x_37, 1, x_44);
+lean_ctor_set(x_37, 0, x_43);
+return x_36;
 }
 else
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_38 = lean_ctor_get(x_30, 0);
-x_39 = lean_ctor_get(x_30, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_30);
-x_40 = lean_apply_2(x_3, x_27, x_38);
-x_41 = lean_apply_2(x_4, x_28, x_39);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-lean_ctor_set(x_29, 0, x_42);
-return x_29;
-}
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_43 = lean_ctor_get(x_29, 1);
-lean_inc(x_43);
-lean_dec(x_29);
-x_44 = lean_ctor_get(x_30, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_30, 1);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_45 = lean_ctor_get(x_37, 0);
+x_46 = lean_ctor_get(x_37, 1);
+lean_inc(x_46);
 lean_inc(x_45);
-if (lean_is_exclusive(x_30)) {
- lean_ctor_release(x_30, 0);
- lean_ctor_release(x_30, 1);
- x_46 = x_30;
-} else {
- lean_dec_ref(x_30);
- x_46 = lean_box(0);
-}
-x_47 = lean_apply_2(x_3, x_27, x_44);
-x_48 = lean_apply_2(x_4, x_28, x_45);
-if (lean_is_scalar(x_46)) {
- x_49 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_49 = x_46;
-}
+lean_dec(x_37);
+x_47 = lean_apply_2(x_3, x_34, x_45);
+x_48 = lean_apply_2(x_4, x_35, x_46);
+x_49 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_49, 0, x_47);
 lean_ctor_set(x_49, 1, x_48);
-x_50 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_43);
-return x_50;
+lean_ctor_set(x_36, 0, x_49);
+return x_36;
 }
 }
 else
 {
-uint8_t x_51; 
-lean_dec(x_28);
-lean_dec(x_27);
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_50 = lean_ctor_get(x_36, 1);
+lean_inc(x_50);
+lean_dec(x_36);
+x_51 = lean_ctor_get(x_37, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_37, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_37)) {
+ lean_ctor_release(x_37, 0);
+ lean_ctor_release(x_37, 1);
+ x_53 = x_37;
+} else {
+ lean_dec_ref(x_37);
+ x_53 = lean_box(0);
+}
+x_54 = lean_apply_2(x_3, x_34, x_51);
+x_55 = lean_apply_2(x_4, x_35, x_52);
+if (lean_is_scalar(x_53)) {
+ x_56 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_56 = x_53;
+}
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_50);
+return x_57;
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_35);
+lean_dec(x_34);
 lean_dec(x_4);
 lean_dec(x_3);
-x_51 = !lean_is_exclusive(x_29);
-if (x_51 == 0)
+x_58 = !lean_is_exclusive(x_36);
+if (x_58 == 0)
 {
-lean_object* x_52; 
-x_52 = lean_ctor_get(x_29, 0);
-lean_dec(x_52);
-return x_29;
+lean_object* x_59; 
+x_59 = lean_ctor_get(x_36, 0);
+lean_dec(x_59);
+return x_36;
 }
 else
 {
-lean_object* x_53; lean_object* x_54; 
-x_53 = lean_ctor_get(x_29, 1);
-lean_inc(x_53);
-lean_dec(x_29);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_30);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_ctor_get(x_36, 1);
+lean_inc(x_60);
+lean_dec(x_36);
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_37);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
 }
 }
 }
 else
 {
-lean_object* x_55; 
+uint8_t x_62; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -31283,15 +26803,170 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-if (lean_is_scalar(x_25)) {
- x_55 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_55 = x_25;
- lean_ctor_set_tag(x_55, 1);
+x_62 = !lean_is_exclusive(x_32);
+if (x_62 == 0)
+{
+lean_object* x_63; 
+x_63 = lean_ctor_get(x_32, 0);
+lean_dec(x_63);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_21);
+return x_32;
 }
-lean_ctor_set(x_55, 0, x_21);
-lean_ctor_set(x_55, 1, x_26);
-return x_55;
+else
+{
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_ctor_get(x_32, 1);
+lean_inc(x_64);
+lean_dec(x_32);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_21);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
+}
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_66 = lean_ctor_get(x_28, 1);
+x_67 = lean_ctor_get(x_28, 2);
+x_68 = lean_ctor_get(x_28, 3);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_dec(x_28);
+x_69 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_69, 0, x_19);
+lean_ctor_set(x_69, 1, x_66);
+lean_ctor_set(x_69, 2, x_67);
+lean_ctor_set(x_69, 3, x_68);
+x_70 = lean_st_ref_set(x_6, x_69, x_29);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_70, 1);
+lean_inc(x_71);
+lean_dec(x_70);
+x_72 = lean_ctor_get(x_21, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_21, 1);
+lean_inc(x_73);
+lean_dec(x_21);
+x_74 = lean_apply_5(x_2, x_5, x_6, x_7, x_8, x_71);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_dec(x_73);
+lean_dec(x_72);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_74;
+}
+else
+{
+lean_object* x_75; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_77 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_77 = lean_box(0);
+}
+x_78 = lean_ctor_get(x_75, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_75, 1);
+lean_inc(x_79);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_80 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_80 = lean_box(0);
+}
+x_81 = lean_apply_2(x_3, x_72, x_78);
+x_82 = lean_apply_2(x_4, x_73, x_79);
+if (lean_is_scalar(x_80)) {
+ x_83 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_83 = x_80;
+}
+lean_ctor_set(x_83, 0, x_81);
+lean_ctor_set(x_83, 1, x_82);
+if (lean_is_scalar(x_77)) {
+ x_84 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_84 = x_77;
+}
+lean_ctor_set(x_84, 0, x_83);
+lean_ctor_set(x_84, 1, x_76);
+return x_84;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+lean_dec(x_73);
+lean_dec(x_72);
+lean_dec(x_4);
+lean_dec(x_3);
+x_85 = lean_ctor_get(x_74, 1);
+lean_inc(x_85);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_86 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_86 = lean_box(0);
+}
+if (lean_is_scalar(x_86)) {
+ x_87 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_87 = x_86;
+}
+lean_ctor_set(x_87, 0, x_75);
+lean_ctor_set(x_87, 1, x_85);
+return x_87;
+}
+}
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_88 = lean_ctor_get(x_70, 1);
+lean_inc(x_88);
+if (lean_is_exclusive(x_70)) {
+ lean_ctor_release(x_70, 0);
+ lean_ctor_release(x_70, 1);
+ x_89 = x_70;
+} else {
+ lean_dec_ref(x_70);
+ x_89 = lean_box(0);
+}
+if (lean_is_scalar(x_89)) {
+ x_90 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_90 = x_89;
+ lean_ctor_set_tag(x_90, 1);
+}
+lean_ctor_set(x_90, 0, x_21);
+lean_ctor_set(x_90, 1, x_88);
+return x_90;
 }
 }
 }
@@ -31353,7 +27028,7 @@ return x_21;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
 x_22 = lean_ctor_get(x_21, 0);
 lean_inc(x_22);
 x_23 = lean_ctor_get(x_21, 1);
@@ -31362,407 +27037,153 @@ lean_dec(x_21);
 x_24 = l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(x_14, x_6, x_7, x_8, x_9, x_23);
 x_25 = lean_ctor_get(x_24, 1);
 lean_inc(x_25);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- x_26 = x_24;
-} else {
- lean_dec_ref(x_24);
- x_26 = lean_box(0);
-}
-x_58 = lean_st_ref_get(x_9, x_25);
-x_59 = lean_ctor_get(x_58, 1);
-lean_inc(x_59);
-lean_dec(x_58);
-x_60 = lean_st_ref_take(x_7, x_59);
-x_61 = lean_ctor_get(x_60, 0);
-lean_inc(x_61);
-x_62 = lean_ctor_get_uint8(x_20, sizeof(void*)*8);
-if (x_62 == 0)
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; 
-x_63 = lean_ctor_get(x_61, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_60, 1);
-lean_inc(x_64);
-lean_dec(x_60);
-x_65 = lean_ctor_get(x_20, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_20, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_20, 2);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_20, 3);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_20, 4);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_20, 5);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_20, 6);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_20, 7);
-lean_inc(x_72);
-lean_dec(x_20);
-x_73 = !lean_is_exclusive(x_61);
-if (x_73 == 0)
-{
-lean_object* x_74; uint8_t x_75; 
-x_74 = lean_ctor_get(x_61, 0);
-lean_dec(x_74);
-x_75 = !lean_is_exclusive(x_63);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_76 = lean_ctor_get(x_63, 7);
-lean_dec(x_76);
-x_77 = lean_ctor_get(x_63, 6);
-lean_dec(x_77);
-x_78 = lean_ctor_get(x_63, 5);
-lean_dec(x_78);
-x_79 = lean_ctor_get(x_63, 4);
-lean_dec(x_79);
-x_80 = lean_ctor_get(x_63, 3);
-lean_dec(x_80);
-x_81 = lean_ctor_get(x_63, 2);
-lean_dec(x_81);
-x_82 = lean_ctor_get(x_63, 1);
-lean_dec(x_82);
-x_83 = lean_ctor_get(x_63, 0);
-lean_dec(x_83);
-lean_ctor_set(x_63, 7, x_72);
-lean_ctor_set(x_63, 6, x_71);
-lean_ctor_set(x_63, 5, x_70);
-lean_ctor_set(x_63, 4, x_69);
-lean_ctor_set(x_63, 3, x_68);
-lean_ctor_set(x_63, 2, x_67);
-lean_ctor_set(x_63, 1, x_66);
-lean_ctor_set(x_63, 0, x_65);
-x_84 = lean_st_ref_set(x_7, x_61, x_64);
-x_85 = lean_ctor_get(x_84, 1);
-lean_inc(x_85);
-lean_dec(x_84);
-x_27 = x_85;
-goto block_57;
-}
-else
-{
-uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_86 = lean_ctor_get_uint8(x_63, sizeof(void*)*8);
-lean_dec(x_63);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_65);
-lean_ctor_set(x_87, 1, x_66);
-lean_ctor_set(x_87, 2, x_67);
-lean_ctor_set(x_87, 3, x_68);
-lean_ctor_set(x_87, 4, x_69);
-lean_ctor_set(x_87, 5, x_70);
-lean_ctor_set(x_87, 6, x_71);
-lean_ctor_set(x_87, 7, x_72);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_61, 0, x_87);
-x_88 = lean_st_ref_set(x_7, x_61, x_64);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-lean_dec(x_88);
-x_27 = x_89;
-goto block_57;
-}
-}
-else
-{
-lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_90 = lean_ctor_get(x_61, 1);
-x_91 = lean_ctor_get(x_61, 2);
-x_92 = lean_ctor_get(x_61, 3);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_dec(x_61);
-x_93 = lean_ctor_get_uint8(x_63, sizeof(void*)*8);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- lean_ctor_release(x_63, 2);
- lean_ctor_release(x_63, 3);
- lean_ctor_release(x_63, 4);
- lean_ctor_release(x_63, 5);
- lean_ctor_release(x_63, 6);
- lean_ctor_release(x_63, 7);
- x_94 = x_63;
-} else {
- lean_dec_ref(x_63);
- x_94 = lean_box(0);
-}
-if (lean_is_scalar(x_94)) {
- x_95 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_95 = x_94;
-}
-lean_ctor_set(x_95, 0, x_65);
-lean_ctor_set(x_95, 1, x_66);
-lean_ctor_set(x_95, 2, x_67);
-lean_ctor_set(x_95, 3, x_68);
-lean_ctor_set(x_95, 4, x_69);
-lean_ctor_set(x_95, 5, x_70);
-lean_ctor_set(x_95, 6, x_71);
-lean_ctor_set(x_95, 7, x_72);
-lean_ctor_set_uint8(x_95, sizeof(void*)*8, x_93);
-x_96 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_90);
-lean_ctor_set(x_96, 2, x_91);
-lean_ctor_set(x_96, 3, x_92);
-x_97 = lean_st_ref_set(x_7, x_96, x_64);
-x_98 = lean_ctor_get(x_97, 1);
-lean_inc(x_98);
-lean_dec(x_97);
-x_27 = x_98;
-goto block_57;
-}
-}
-else
-{
-lean_object* x_99; uint8_t x_100; 
-x_99 = lean_ctor_get(x_60, 1);
-lean_inc(x_99);
-lean_dec(x_60);
-x_100 = !lean_is_exclusive(x_20);
-if (x_100 == 0)
-{
-uint8_t x_101; 
-x_101 = !lean_is_exclusive(x_61);
-if (x_101 == 0)
-{
-lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; 
-x_102 = lean_ctor_get(x_61, 0);
-lean_dec(x_102);
-x_103 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_103);
-lean_ctor_set(x_61, 0, x_20);
-x_104 = lean_st_ref_set(x_7, x_61, x_99);
-x_105 = lean_ctor_get(x_104, 1);
-lean_inc(x_105);
-lean_dec(x_104);
-x_27 = x_105;
-goto block_57;
-}
-else
-{
-lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_106 = lean_ctor_get(x_61, 1);
-x_107 = lean_ctor_get(x_61, 2);
-x_108 = lean_ctor_get(x_61, 3);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_inc(x_106);
-lean_dec(x_61);
-x_109 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_109);
-x_110 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_110, 0, x_20);
-lean_ctor_set(x_110, 1, x_106);
-lean_ctor_set(x_110, 2, x_107);
-lean_ctor_set(x_110, 3, x_108);
-x_111 = lean_st_ref_set(x_7, x_110, x_99);
-x_112 = lean_ctor_get(x_111, 1);
-lean_inc(x_112);
-lean_dec(x_111);
-x_27 = x_112;
-goto block_57;
-}
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_113 = lean_ctor_get(x_20, 0);
-x_114 = lean_ctor_get(x_20, 1);
-x_115 = lean_ctor_get(x_20, 2);
-x_116 = lean_ctor_get(x_20, 3);
-x_117 = lean_ctor_get(x_20, 4);
-x_118 = lean_ctor_get(x_20, 5);
-x_119 = lean_ctor_get(x_20, 6);
-x_120 = lean_ctor_get(x_20, 7);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_dec(x_20);
-x_121 = lean_ctor_get(x_61, 1);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_61, 2);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_61, 3);
-lean_inc(x_123);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- lean_ctor_release(x_61, 2);
- lean_ctor_release(x_61, 3);
- x_124 = x_61;
-} else {
- lean_dec_ref(x_61);
- x_124 = lean_box(0);
-}
-x_125 = 1;
-x_126 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_126, 0, x_113);
-lean_ctor_set(x_126, 1, x_114);
-lean_ctor_set(x_126, 2, x_115);
-lean_ctor_set(x_126, 3, x_116);
-lean_ctor_set(x_126, 4, x_117);
-lean_ctor_set(x_126, 5, x_118);
-lean_ctor_set(x_126, 6, x_119);
-lean_ctor_set(x_126, 7, x_120);
-lean_ctor_set_uint8(x_126, sizeof(void*)*8, x_125);
-if (lean_is_scalar(x_124)) {
- x_127 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_127 = x_124;
-}
-lean_ctor_set(x_127, 0, x_126);
-lean_ctor_set(x_127, 1, x_121);
-lean_ctor_set(x_127, 2, x_122);
-lean_ctor_set(x_127, 3, x_123);
-x_128 = lean_st_ref_set(x_7, x_127, x_99);
-x_129 = lean_ctor_get(x_128, 1);
-lean_inc(x_129);
-lean_dec(x_128);
-x_27 = x_129;
-goto block_57;
-}
-}
-block_57:
+lean_dec(x_24);
+x_26 = lean_st_ref_get(x_9, x_25);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = lean_st_ref_take(x_7, x_27);
+x_29 = lean_ctor_get(x_28, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_28, 1);
+lean_inc(x_30);
+lean_dec(x_28);
+x_31 = !lean_is_exclusive(x_29);
+if (x_31 == 0)
 {
+lean_object* x_32; lean_object* x_33; 
+x_32 = lean_ctor_get(x_29, 0);
+lean_dec(x_32);
+lean_ctor_set(x_29, 0, x_20);
+x_33 = lean_st_ref_set(x_7, x_29, x_30);
 if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-lean_dec(x_26);
-x_28 = lean_ctor_get(x_22, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_22, 1);
-lean_inc(x_29);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+lean_dec(x_33);
+x_35 = lean_ctor_get(x_22, 0);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_22, 1);
+lean_inc(x_36);
 lean_dec(x_22);
-x_30 = lean_apply_7(x_5, lean_box(0), x_2, x_6, x_7, x_8, x_9, x_27);
-if (lean_obj_tag(x_30) == 0)
+x_37 = lean_apply_7(x_5, lean_box(0), x_2, x_6, x_7, x_8, x_9, x_34);
+if (lean_obj_tag(x_37) == 0)
 {
-lean_dec(x_29);
-lean_dec(x_28);
+lean_dec(x_36);
+lean_dec(x_35);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_30;
+return x_37;
 }
 else
 {
-lean_object* x_31; 
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-if (lean_obj_tag(x_31) == 0)
+lean_object* x_38; 
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+if (lean_obj_tag(x_38) == 0)
 {
-uint8_t x_32; 
-x_32 = !lean_is_exclusive(x_30);
-if (x_32 == 0)
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_37);
+if (x_39 == 0)
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_30, 0);
-lean_dec(x_33);
-x_34 = !lean_is_exclusive(x_31);
-if (x_34 == 0)
+lean_object* x_40; uint8_t x_41; 
+x_40 = lean_ctor_get(x_37, 0);
+lean_dec(x_40);
+x_41 = !lean_is_exclusive(x_38);
+if (x_41 == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_35 = lean_ctor_get(x_31, 0);
-x_36 = lean_ctor_get(x_31, 1);
-x_37 = lean_apply_2(x_3, x_28, x_35);
-x_38 = lean_apply_2(x_4, x_29, x_36);
-lean_ctor_set(x_31, 1, x_38);
-lean_ctor_set(x_31, 0, x_37);
-return x_30;
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_42 = lean_ctor_get(x_38, 0);
+x_43 = lean_ctor_get(x_38, 1);
+x_44 = lean_apply_2(x_3, x_35, x_42);
+x_45 = lean_apply_2(x_4, x_36, x_43);
+lean_ctor_set(x_38, 1, x_45);
+lean_ctor_set(x_38, 0, x_44);
+return x_37;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_39 = lean_ctor_get(x_31, 0);
-x_40 = lean_ctor_get(x_31, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_31);
-x_41 = lean_apply_2(x_3, x_28, x_39);
-x_42 = lean_apply_2(x_4, x_29, x_40);
-x_43 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_43, 0, x_41);
-lean_ctor_set(x_43, 1, x_42);
-lean_ctor_set(x_30, 0, x_43);
-return x_30;
-}
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_44 = lean_ctor_get(x_30, 1);
-lean_inc(x_44);
-lean_dec(x_30);
-x_45 = lean_ctor_get(x_31, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_31, 1);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_46 = lean_ctor_get(x_38, 0);
+x_47 = lean_ctor_get(x_38, 1);
+lean_inc(x_47);
 lean_inc(x_46);
-if (lean_is_exclusive(x_31)) {
- lean_ctor_release(x_31, 0);
- lean_ctor_release(x_31, 1);
- x_47 = x_31;
-} else {
- lean_dec_ref(x_31);
- x_47 = lean_box(0);
-}
-x_48 = lean_apply_2(x_3, x_28, x_45);
-x_49 = lean_apply_2(x_4, x_29, x_46);
-if (lean_is_scalar(x_47)) {
- x_50 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_50 = x_47;
-}
+lean_dec(x_38);
+x_48 = lean_apply_2(x_3, x_35, x_46);
+x_49 = lean_apply_2(x_4, x_36, x_47);
+x_50 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
-x_51 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_44);
-return x_51;
+lean_ctor_set(x_37, 0, x_50);
+return x_37;
 }
 }
 else
 {
-uint8_t x_52; 
-lean_dec(x_29);
-lean_dec(x_28);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_51 = lean_ctor_get(x_37, 1);
+lean_inc(x_51);
+lean_dec(x_37);
+x_52 = lean_ctor_get(x_38, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_38, 1);
+lean_inc(x_53);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_54 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_54 = lean_box(0);
+}
+x_55 = lean_apply_2(x_3, x_35, x_52);
+x_56 = lean_apply_2(x_4, x_36, x_53);
+if (lean_is_scalar(x_54)) {
+ x_57 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_57 = x_54;
+}
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+x_58 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_58, 1, x_51);
+return x_58;
+}
+}
+else
+{
+uint8_t x_59; 
+lean_dec(x_36);
+lean_dec(x_35);
 lean_dec(x_4);
 lean_dec(x_3);
-x_52 = !lean_is_exclusive(x_30);
-if (x_52 == 0)
+x_59 = !lean_is_exclusive(x_37);
+if (x_59 == 0)
 {
-lean_object* x_53; 
-x_53 = lean_ctor_get(x_30, 0);
-lean_dec(x_53);
-return x_30;
+lean_object* x_60; 
+x_60 = lean_ctor_get(x_37, 0);
+lean_dec(x_60);
+return x_37;
 }
 else
 {
-lean_object* x_54; lean_object* x_55; 
-x_54 = lean_ctor_get(x_30, 1);
-lean_inc(x_54);
-lean_dec(x_30);
-x_55 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_55, 0, x_31);
-lean_ctor_set(x_55, 1, x_54);
-return x_55;
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_37, 1);
+lean_inc(x_61);
+lean_dec(x_37);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_38);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
 }
 }
 }
 else
 {
-lean_object* x_56; 
+uint8_t x_63; 
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -31771,15 +27192,171 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-if (lean_is_scalar(x_26)) {
- x_56 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_56 = x_26;
- lean_ctor_set_tag(x_56, 1);
+x_63 = !lean_is_exclusive(x_33);
+if (x_63 == 0)
+{
+lean_object* x_64; 
+x_64 = lean_ctor_get(x_33, 0);
+lean_dec(x_64);
+lean_ctor_set_tag(x_33, 1);
+lean_ctor_set(x_33, 0, x_22);
+return x_33;
 }
-lean_ctor_set(x_56, 0, x_22);
-lean_ctor_set(x_56, 1, x_27);
-return x_56;
+else
+{
+lean_object* x_65; lean_object* x_66; 
+x_65 = lean_ctor_get(x_33, 1);
+lean_inc(x_65);
+lean_dec(x_33);
+x_66 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_66, 0, x_22);
+lean_ctor_set(x_66, 1, x_65);
+return x_66;
+}
+}
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_67 = lean_ctor_get(x_29, 1);
+x_68 = lean_ctor_get(x_29, 2);
+x_69 = lean_ctor_get(x_29, 3);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_dec(x_29);
+x_70 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_70, 0, x_20);
+lean_ctor_set(x_70, 1, x_67);
+lean_ctor_set(x_70, 2, x_68);
+lean_ctor_set(x_70, 3, x_69);
+x_71 = lean_st_ref_set(x_7, x_70, x_30);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_71, 1);
+lean_inc(x_72);
+lean_dec(x_71);
+x_73 = lean_ctor_get(x_22, 0);
+lean_inc(x_73);
+x_74 = lean_ctor_get(x_22, 1);
+lean_inc(x_74);
+lean_dec(x_22);
+x_75 = lean_apply_7(x_5, lean_box(0), x_2, x_6, x_7, x_8, x_9, x_72);
+if (lean_obj_tag(x_75) == 0)
+{
+lean_dec(x_74);
+lean_dec(x_73);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_75;
+}
+else
+{
+lean_object* x_76; 
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+if (lean_obj_tag(x_76) == 0)
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_78 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_78 = lean_box(0);
+}
+x_79 = lean_ctor_get(x_76, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_76, 1);
+lean_inc(x_80);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ x_81 = x_76;
+} else {
+ lean_dec_ref(x_76);
+ x_81 = lean_box(0);
+}
+x_82 = lean_apply_2(x_3, x_73, x_79);
+x_83 = lean_apply_2(x_4, x_74, x_80);
+if (lean_is_scalar(x_81)) {
+ x_84 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_84 = x_81;
+}
+lean_ctor_set(x_84, 0, x_82);
+lean_ctor_set(x_84, 1, x_83);
+if (lean_is_scalar(x_78)) {
+ x_85 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_85 = x_78;
+}
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_77);
+return x_85;
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+lean_dec(x_74);
+lean_dec(x_73);
+lean_dec(x_4);
+lean_dec(x_3);
+x_86 = lean_ctor_get(x_75, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_87 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_87 = lean_box(0);
+}
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_88 = x_87;
+}
+lean_ctor_set(x_88, 0, x_76);
+lean_ctor_set(x_88, 1, x_86);
+return x_88;
+}
+}
+}
+else
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_89 = lean_ctor_get(x_71, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_71)) {
+ lean_ctor_release(x_71, 0);
+ lean_ctor_release(x_71, 1);
+ x_90 = x_71;
+} else {
+ lean_dec_ref(x_71);
+ x_90 = lean_box(0);
+}
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_91 = x_90;
+ lean_ctor_set_tag(x_91, 1);
+}
+lean_ctor_set(x_91, 0, x_22);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
 }
 }
 }
@@ -35219,6 +30796,16 @@ goto _start;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_1);
+lean_ctor_set(x_8, 1, x_7);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -37370,7 +32957,7 @@ static lean_object* _init_l___private_Lean_Meta_Basic_0__Lean_Meta_processPostpo
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2;
 x_2 = l___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
@@ -38778,6 +34365,19 @@ lean_dec(x_4);
 return x_16;
 }
 }
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -41159,223 +36759,744 @@ return x_10;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_22; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
 x_8 = l_Lean_Meta_saveState___rarg(x_4, x_5, x_6, x_7);
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_Meta_getResetPostponed(x_3, x_4, x_5, x_6, x_10);
-x_12 = lean_ctor_get(x_11, 0);
+x_11 = lean_st_ref_get(x_6, x_10);
+x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
 lean_dec(x_11);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_22 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_13);
-if (lean_obj_tag(x_22) == 0)
+x_13 = lean_st_ref_take(x_4, x_12);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_dec(x_13);
+x_17 = !lean_is_exclusive(x_14);
+if (x_17 == 0)
 {
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_22, 0);
+lean_object* x_18; uint8_t x_19; 
+x_18 = lean_ctor_get(x_14, 1);
+lean_dec(x_18);
+x_19 = !lean_is_exclusive(x_15);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_35; 
+x_20 = lean_ctor_get(x_15, 5);
+lean_dec(x_20);
+x_21 = l_Lean_Meta_Cache_defEq___default___closed__3;
+lean_ctor_set(x_15, 5, x_21);
+x_22 = lean_st_ref_set(x_4, x_14, x_16);
+x_23 = lean_ctor_get(x_22, 1);
 lean_inc(x_23);
-x_24 = lean_unbox(x_23);
-lean_dec(x_23);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-lean_dec(x_12);
-x_25 = lean_ctor_get(x_22, 1);
+lean_dec(x_22);
+x_24 = l_Lean_Meta_getResetPostponed(x_3, x_4, x_5, x_6, x_23);
+x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
-lean_dec(x_22);
-x_26 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_25);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_27 = !lean_is_exclusive(x_26);
-if (x_27 == 0)
-{
-lean_object* x_28; uint8_t x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_26, 0);
-lean_dec(x_28);
-x_29 = 0;
-x_30 = lean_box(x_29);
-lean_ctor_set(x_26, 0, x_30);
-return x_26;
-}
-else
-{
-lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_26, 1);
-lean_inc(x_31);
-lean_dec(x_26);
-x_32 = 0;
-x_33 = lean_box(x_32);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_31);
-return x_34;
-}
-}
-else
-{
-lean_object* x_35; uint8_t x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_22, 1);
-lean_inc(x_35);
-lean_dec(x_22);
-x_36 = 0;
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_37 = l_Lean_Meta_processPostponed(x_2, x_36, x_3, x_4, x_5, x_6, x_35);
-if (lean_obj_tag(x_37) == 0)
+x_35 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_26);
+if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
+lean_object* x_36; uint8_t x_37; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_unbox(x_36);
+lean_dec(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+lean_dec(x_25);
+x_38 = lean_ctor_get(x_35, 1);
 lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-lean_dec(x_12);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_40);
+lean_dec(x_35);
+x_39 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_38);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
+lean_dec(x_9);
+x_40 = !lean_is_exclusive(x_39);
+if (x_40 == 0)
 {
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-x_44 = lean_box(x_36);
-lean_ctor_set(x_41, 0, x_44);
-return x_41;
+lean_object* x_41; uint8_t x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_39, 0);
+lean_dec(x_41);
+x_42 = 0;
+x_43 = lean_box(x_42);
+lean_ctor_set(x_39, 0, x_43);
+return x_39;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-x_46 = lean_box(x_36);
+lean_object* x_44; uint8_t x_45; lean_object* x_46; lean_object* x_47; 
+x_44 = lean_ctor_get(x_39, 1);
+lean_inc(x_44);
+lean_dec(x_39);
+x_45 = 0;
+x_46 = lean_box(x_45);
 x_47 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_45);
+lean_ctor_set(x_47, 1, x_44);
 return x_47;
 }
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_dec(x_9);
-x_48 = lean_ctor_get(x_37, 1);
+lean_object* x_48; uint8_t x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_35, 1);
 lean_inc(x_48);
-lean_dec(x_37);
-x_49 = l_Lean_Meta_getPostponed___rarg(x_4, x_5, x_6, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
+lean_dec(x_35);
+x_49 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_50 = l_Lean_Meta_processPostponed(x_2, x_49, x_3, x_4, x_5, x_6, x_48);
+if (lean_obj_tag(x_50) == 0)
+{
+lean_object* x_51; uint8_t x_52; 
+x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Std_PersistentArray_append___rarg(x_12, x_50);
-x_53 = l_Lean_Meta_setPostponed(x_52, x_3, x_4, x_5, x_6, x_51);
+x_52 = lean_unbox(x_51);
+lean_dec(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_25);
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_53);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
+lean_dec(x_9);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
 {
-lean_object* x_55; uint8_t x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_53, 0);
-lean_dec(x_55);
-x_56 = 1;
-x_57 = lean_box(x_56);
-lean_ctor_set(x_53, 0, x_57);
-return x_53;
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+x_57 = lean_box(x_49);
+lean_ctor_set(x_54, 0, x_57);
+return x_54;
 }
 else
 {
-lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_53, 1);
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_54, 1);
 lean_inc(x_58);
-lean_dec(x_53);
-x_59 = 1;
-x_60 = lean_box(x_59);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
-}
+lean_dec(x_54);
+x_59 = lean_box(x_49);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
 }
 }
 else
 {
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_12);
-x_62 = lean_ctor_get(x_37, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_37, 1);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+lean_dec(x_9);
+x_61 = lean_ctor_get(x_50, 1);
+lean_inc(x_61);
+lean_dec(x_50);
+x_62 = l_Lean_Meta_getPostponed___rarg(x_4, x_5, x_6, x_61);
+x_63 = lean_ctor_get(x_62, 0);
 lean_inc(x_63);
-lean_dec(x_37);
-x_14 = x_62;
-x_15 = x_63;
-goto block_21;
-}
-}
-}
-else
-{
-lean_object* x_64; lean_object* x_65; 
-lean_dec(x_12);
-x_64 = lean_ctor_get(x_22, 0);
+x_64 = lean_ctor_get(x_62, 1);
 lean_inc(x_64);
-x_65 = lean_ctor_get(x_22, 1);
-lean_inc(x_65);
-lean_dec(x_22);
-x_14 = x_64;
-x_15 = x_65;
-goto block_21;
-}
-block_21:
-{
-lean_object* x_16; uint8_t x_17; 
-x_16 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_15);
+lean_dec(x_62);
+x_65 = l_Std_PersistentArray_append___rarg(x_25, x_63);
+x_66 = l_Lean_Meta_setPostponed(x_65, x_3, x_4, x_5, x_6, x_64);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_17 = !lean_is_exclusive(x_16);
-if (x_17 == 0)
+x_67 = !lean_is_exclusive(x_66);
+if (x_67 == 0)
 {
-lean_object* x_18; 
-x_18 = lean_ctor_get(x_16, 0);
-lean_dec(x_18);
-lean_ctor_set_tag(x_16, 1);
-lean_ctor_set(x_16, 0, x_14);
-return x_16;
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+x_69 = 1;
+x_70 = lean_box(x_69);
+lean_ctor_set(x_66, 0, x_70);
+return x_66;
 }
 else
 {
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_16, 1);
-lean_inc(x_19);
-lean_dec(x_16);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_14);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
+lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_66, 1);
+lean_inc(x_71);
+lean_dec(x_66);
+x_72 = 1;
+x_73 = lean_box(x_72);
+x_74 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_25);
+x_75 = lean_ctor_get(x_50, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_50, 1);
+lean_inc(x_76);
+lean_dec(x_50);
+x_27 = x_75;
+x_28 = x_76;
+goto block_34;
+}
+}
+}
+else
+{
+lean_object* x_77; lean_object* x_78; 
+lean_dec(x_25);
+x_77 = lean_ctor_get(x_35, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_35, 1);
+lean_inc(x_78);
+lean_dec(x_35);
+x_27 = x_77;
+x_28 = x_78;
+goto block_34;
+}
+block_34:
+{
+lean_object* x_29; uint8_t x_30; 
+x_29 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_28);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; 
+x_31 = lean_ctor_get(x_29, 0);
+lean_dec(x_31);
+lean_ctor_set_tag(x_29, 1);
+lean_ctor_set(x_29, 0, x_27);
+return x_29;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; 
+x_32 = lean_ctor_get(x_29, 1);
+lean_inc(x_32);
+lean_dec(x_29);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_27);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_98; 
+x_79 = lean_ctor_get(x_15, 0);
+x_80 = lean_ctor_get(x_15, 1);
+x_81 = lean_ctor_get(x_15, 2);
+x_82 = lean_ctor_get(x_15, 3);
+x_83 = lean_ctor_get(x_15, 4);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_inc(x_79);
+lean_dec(x_15);
+x_84 = l_Lean_Meta_Cache_defEq___default___closed__3;
+x_85 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_85, 0, x_79);
+lean_ctor_set(x_85, 1, x_80);
+lean_ctor_set(x_85, 2, x_81);
+lean_ctor_set(x_85, 3, x_82);
+lean_ctor_set(x_85, 4, x_83);
+lean_ctor_set(x_85, 5, x_84);
+lean_ctor_set(x_14, 1, x_85);
+x_86 = lean_st_ref_set(x_4, x_14, x_16);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+lean_dec(x_86);
+x_88 = l_Lean_Meta_getResetPostponed(x_3, x_4, x_5, x_6, x_87);
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+lean_dec(x_88);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_98 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_90);
+if (lean_obj_tag(x_98) == 0)
+{
+lean_object* x_99; uint8_t x_100; 
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_unbox(x_99);
+lean_dec(x_99);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+lean_dec(x_89);
+x_101 = lean_ctor_get(x_98, 1);
+lean_inc(x_101);
+lean_dec(x_98);
+x_102 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_101);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
+} else {
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
+}
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_107 = x_104;
+}
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+return x_107;
+}
+else
+{
+lean_object* x_108; uint8_t x_109; lean_object* x_110; 
+x_108 = lean_ctor_get(x_98, 1);
+lean_inc(x_108);
+lean_dec(x_98);
+x_109 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_110 = l_Lean_Meta_processPostponed(x_2, x_109, x_3, x_4, x_5, x_6, x_108);
+if (lean_obj_tag(x_110) == 0)
+{
+lean_object* x_111; uint8_t x_112; 
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_unbox(x_111);
+lean_dec(x_111);
+if (x_112 == 0)
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+lean_dec(x_89);
+x_113 = lean_ctor_get(x_110, 1);
+lean_inc(x_113);
+lean_dec(x_110);
+x_114 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_113);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_115 = lean_ctor_get(x_114, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_116 = x_114;
+} else {
+ lean_dec_ref(x_114);
+ x_116 = lean_box(0);
+}
+x_117 = lean_box(x_109);
+if (lean_is_scalar(x_116)) {
+ x_118 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_118 = x_116;
+}
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_115);
+return x_118;
+}
+else
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; lean_object* x_128; lean_object* x_129; 
+lean_dec(x_9);
+x_119 = lean_ctor_get(x_110, 1);
+lean_inc(x_119);
+lean_dec(x_110);
+x_120 = l_Lean_Meta_getPostponed___rarg(x_4, x_5, x_6, x_119);
+x_121 = lean_ctor_get(x_120, 0);
+lean_inc(x_121);
+x_122 = lean_ctor_get(x_120, 1);
+lean_inc(x_122);
+lean_dec(x_120);
+x_123 = l_Std_PersistentArray_append___rarg(x_89, x_121);
+x_124 = l_Lean_Meta_setPostponed(x_123, x_3, x_4, x_5, x_6, x_122);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_125 = lean_ctor_get(x_124, 1);
+lean_inc(x_125);
+if (lean_is_exclusive(x_124)) {
+ lean_ctor_release(x_124, 0);
+ lean_ctor_release(x_124, 1);
+ x_126 = x_124;
+} else {
+ lean_dec_ref(x_124);
+ x_126 = lean_box(0);
+}
+x_127 = 1;
+x_128 = lean_box(x_127);
+if (lean_is_scalar(x_126)) {
+ x_129 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_129 = x_126;
+}
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_125);
+return x_129;
+}
+}
+else
+{
+lean_object* x_130; lean_object* x_131; 
+lean_dec(x_89);
+x_130 = lean_ctor_get(x_110, 0);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_110, 1);
+lean_inc(x_131);
+lean_dec(x_110);
+x_91 = x_130;
+x_92 = x_131;
+goto block_97;
+}
+}
+}
+else
+{
+lean_object* x_132; lean_object* x_133; 
+lean_dec(x_89);
+x_132 = lean_ctor_get(x_98, 0);
+lean_inc(x_132);
+x_133 = lean_ctor_get(x_98, 1);
+lean_inc(x_133);
+lean_dec(x_98);
+x_91 = x_132;
+x_92 = x_133;
+goto block_97;
+}
+block_97:
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_93 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_92);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+if (lean_is_exclusive(x_93)) {
+ lean_ctor_release(x_93, 0);
+ lean_ctor_release(x_93, 1);
+ x_95 = x_93;
+} else {
+ lean_dec_ref(x_93);
+ x_95 = lean_box(0);
+}
+if (lean_is_scalar(x_95)) {
+ x_96 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_96 = x_95;
+ lean_ctor_set_tag(x_96, 1);
+}
+lean_ctor_set(x_96, 0, x_91);
+lean_ctor_set(x_96, 1, x_94);
+return x_96;
+}
+}
+}
+else
+{
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_158; 
+x_134 = lean_ctor_get(x_14, 0);
+x_135 = lean_ctor_get(x_14, 2);
+x_136 = lean_ctor_get(x_14, 3);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_inc(x_134);
+lean_dec(x_14);
+x_137 = lean_ctor_get(x_15, 0);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_15, 1);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_15, 2);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_15, 3);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_15, 4);
+lean_inc(x_141);
+if (lean_is_exclusive(x_15)) {
+ lean_ctor_release(x_15, 0);
+ lean_ctor_release(x_15, 1);
+ lean_ctor_release(x_15, 2);
+ lean_ctor_release(x_15, 3);
+ lean_ctor_release(x_15, 4);
+ lean_ctor_release(x_15, 5);
+ x_142 = x_15;
+} else {
+ lean_dec_ref(x_15);
+ x_142 = lean_box(0);
+}
+x_143 = l_Lean_Meta_Cache_defEq___default___closed__3;
+if (lean_is_scalar(x_142)) {
+ x_144 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_144 = x_142;
+}
+lean_ctor_set(x_144, 0, x_137);
+lean_ctor_set(x_144, 1, x_138);
+lean_ctor_set(x_144, 2, x_139);
+lean_ctor_set(x_144, 3, x_140);
+lean_ctor_set(x_144, 4, x_141);
+lean_ctor_set(x_144, 5, x_143);
+x_145 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_145, 0, x_134);
+lean_ctor_set(x_145, 1, x_144);
+lean_ctor_set(x_145, 2, x_135);
+lean_ctor_set(x_145, 3, x_136);
+x_146 = lean_st_ref_set(x_4, x_145, x_16);
+x_147 = lean_ctor_get(x_146, 1);
+lean_inc(x_147);
+lean_dec(x_146);
+x_148 = l_Lean_Meta_getResetPostponed(x_3, x_4, x_5, x_6, x_147);
+x_149 = lean_ctor_get(x_148, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_148, 1);
+lean_inc(x_150);
+lean_dec(x_148);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_158 = lean_apply_5(x_1, x_3, x_4, x_5, x_6, x_150);
+if (lean_obj_tag(x_158) == 0)
+{
+lean_object* x_159; uint8_t x_160; 
+x_159 = lean_ctor_get(x_158, 0);
+lean_inc(x_159);
+x_160 = lean_unbox(x_159);
+lean_dec(x_159);
+if (x_160 == 0)
+{
+lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; uint8_t x_165; lean_object* x_166; lean_object* x_167; 
+lean_dec(x_149);
+x_161 = lean_ctor_get(x_158, 1);
+lean_inc(x_161);
+lean_dec(x_158);
+x_162 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_161);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_163 = lean_ctor_get(x_162, 1);
+lean_inc(x_163);
+if (lean_is_exclusive(x_162)) {
+ lean_ctor_release(x_162, 0);
+ lean_ctor_release(x_162, 1);
+ x_164 = x_162;
+} else {
+ lean_dec_ref(x_162);
+ x_164 = lean_box(0);
+}
+x_165 = 0;
+x_166 = lean_box(x_165);
+if (lean_is_scalar(x_164)) {
+ x_167 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_167 = x_164;
+}
+lean_ctor_set(x_167, 0, x_166);
+lean_ctor_set(x_167, 1, x_163);
+return x_167;
+}
+else
+{
+lean_object* x_168; uint8_t x_169; lean_object* x_170; 
+x_168 = lean_ctor_get(x_158, 1);
+lean_inc(x_168);
+lean_dec(x_158);
+x_169 = 0;
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_170 = l_Lean_Meta_processPostponed(x_2, x_169, x_3, x_4, x_5, x_6, x_168);
+if (lean_obj_tag(x_170) == 0)
+{
+lean_object* x_171; uint8_t x_172; 
+x_171 = lean_ctor_get(x_170, 0);
+lean_inc(x_171);
+x_172 = lean_unbox(x_171);
+lean_dec(x_171);
+if (x_172 == 0)
+{
+lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+lean_dec(x_149);
+x_173 = lean_ctor_get(x_170, 1);
+lean_inc(x_173);
+lean_dec(x_170);
+x_174 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_173);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_175 = lean_ctor_get(x_174, 1);
+lean_inc(x_175);
+if (lean_is_exclusive(x_174)) {
+ lean_ctor_release(x_174, 0);
+ lean_ctor_release(x_174, 1);
+ x_176 = x_174;
+} else {
+ lean_dec_ref(x_174);
+ x_176 = lean_box(0);
+}
+x_177 = lean_box(x_169);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
+}
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+return x_178;
+}
+else
+{
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; lean_object* x_188; lean_object* x_189; 
+lean_dec(x_9);
+x_179 = lean_ctor_get(x_170, 1);
+lean_inc(x_179);
+lean_dec(x_170);
+x_180 = l_Lean_Meta_getPostponed___rarg(x_4, x_5, x_6, x_179);
+x_181 = lean_ctor_get(x_180, 0);
+lean_inc(x_181);
+x_182 = lean_ctor_get(x_180, 1);
+lean_inc(x_182);
+lean_dec(x_180);
+x_183 = l_Std_PersistentArray_append___rarg(x_149, x_181);
+x_184 = l_Lean_Meta_setPostponed(x_183, x_3, x_4, x_5, x_6, x_182);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_185 = lean_ctor_get(x_184, 1);
+lean_inc(x_185);
+if (lean_is_exclusive(x_184)) {
+ lean_ctor_release(x_184, 0);
+ lean_ctor_release(x_184, 1);
+ x_186 = x_184;
+} else {
+ lean_dec_ref(x_184);
+ x_186 = lean_box(0);
+}
+x_187 = 1;
+x_188 = lean_box(x_187);
+if (lean_is_scalar(x_186)) {
+ x_189 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_189 = x_186;
+}
+lean_ctor_set(x_189, 0, x_188);
+lean_ctor_set(x_189, 1, x_185);
+return x_189;
+}
+}
+else
+{
+lean_object* x_190; lean_object* x_191; 
+lean_dec(x_149);
+x_190 = lean_ctor_get(x_170, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_170, 1);
+lean_inc(x_191);
+lean_dec(x_170);
+x_151 = x_190;
+x_152 = x_191;
+goto block_157;
+}
+}
+}
+else
+{
+lean_object* x_192; lean_object* x_193; 
+lean_dec(x_149);
+x_192 = lean_ctor_get(x_158, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_158, 1);
+lean_inc(x_193);
+lean_dec(x_158);
+x_151 = x_192;
+x_152 = x_193;
+goto block_157;
+}
+block_157:
+{
+lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+x_153 = l_Lean_Meta_SavedState_restore(x_9, x_3, x_4, x_5, x_6, x_152);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_9);
+x_154 = lean_ctor_get(x_153, 1);
+lean_inc(x_154);
+if (lean_is_exclusive(x_153)) {
+ lean_ctor_release(x_153, 0);
+ lean_ctor_release(x_153, 1);
+ x_155 = x_153;
+} else {
+ lean_dec_ref(x_153);
+ x_155 = lean_box(0);
+}
+if (lean_is_scalar(x_155)) {
+ x_156 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_156 = x_155;
+ lean_ctor_set_tag(x_156, 1);
+}
+lean_ctor_set(x_156, 0, x_151);
+lean_ctor_set(x_156, 1, x_154);
+return x_156;
 }
 }
 }
@@ -41393,223 +37514,744 @@ return x_9;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isLevelDefEq___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_Cache_defEq___default___closed__3;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_Cache_defEq___default___closed__3;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_Cache_defEq___default___closed__3;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -41617,223 +38259,744 @@ return x_21;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isLevelDefEq___spec__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_Cache_defEq___default___closed__3;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_Cache_defEq___default___closed__3;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_Cache_defEq___default___closed__3;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = lean_is_level_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -43493,223 +40656,744 @@ return x_10;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isExprDefEq___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_Cache_defEq___default___closed__3;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_Cache_defEq___default___closed__3;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_Cache_defEq___default___closed__3;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -43717,223 +41401,744 @@ return x_21;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isExprDefEq___spec__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_Cache_defEq___default___closed__3;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_Cache_defEq___default___closed__3;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_Cache_defEq___default___closed__3;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = lean_is_expr_def_eq(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -43950,7 +42155,7 @@ static lean_object* _init_l_Lean_Meta_isExprDefEq___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2;
+x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2;
 x_2 = l_Lean_Meta_isExprDefEq___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
@@ -46726,7 +44931,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14782_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14809_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -46877,16 +45082,14 @@ l_Lean_Meta_Cache_whnfDefault___default = _init_l_Lean_Meta_Cache_whnfDefault___
 lean_mark_persistent(l_Lean_Meta_Cache_whnfDefault___default);
 l_Lean_Meta_Cache_whnfAll___default = _init_l_Lean_Meta_Cache_whnfAll___default();
 lean_mark_persistent(l_Lean_Meta_Cache_whnfAll___default);
-l_Lean_Meta_Cache_defEqDefault___default___closed__1 = _init_l_Lean_Meta_Cache_defEqDefault___default___closed__1();
-lean_mark_persistent(l_Lean_Meta_Cache_defEqDefault___default___closed__1);
-l_Lean_Meta_Cache_defEqDefault___default___closed__2 = _init_l_Lean_Meta_Cache_defEqDefault___default___closed__2();
-lean_mark_persistent(l_Lean_Meta_Cache_defEqDefault___default___closed__2);
-l_Lean_Meta_Cache_defEqDefault___default___closed__3 = _init_l_Lean_Meta_Cache_defEqDefault___default___closed__3();
-lean_mark_persistent(l_Lean_Meta_Cache_defEqDefault___default___closed__3);
-l_Lean_Meta_Cache_defEqDefault___default = _init_l_Lean_Meta_Cache_defEqDefault___default();
-lean_mark_persistent(l_Lean_Meta_Cache_defEqDefault___default);
-l_Lean_Meta_Cache_defEqAll___default = _init_l_Lean_Meta_Cache_defEqAll___default();
-lean_mark_persistent(l_Lean_Meta_Cache_defEqAll___default);
+l_Lean_Meta_Cache_defEq___default___closed__1 = _init_l_Lean_Meta_Cache_defEq___default___closed__1();
+lean_mark_persistent(l_Lean_Meta_Cache_defEq___default___closed__1);
+l_Lean_Meta_Cache_defEq___default___closed__2 = _init_l_Lean_Meta_Cache_defEq___default___closed__2();
+lean_mark_persistent(l_Lean_Meta_Cache_defEq___default___closed__2);
+l_Lean_Meta_Cache_defEq___default___closed__3 = _init_l_Lean_Meta_Cache_defEq___default___closed__3();
+lean_mark_persistent(l_Lean_Meta_Cache_defEq___default___closed__3);
+l_Lean_Meta_Cache_defEq___default = _init_l_Lean_Meta_Cache_defEq___default();
+lean_mark_persistent(l_Lean_Meta_Cache_defEq___default);
 l_Lean_Meta_instInhabitedCache___closed__1 = _init_l_Lean_Meta_instInhabitedCache___closed__1();
 lean_mark_persistent(l_Lean_Meta_instInhabitedCache___closed__1);
 l_Lean_Meta_instInhabitedCache___closed__2 = _init_l_Lean_Meta_instInhabitedCache___closed__2();
@@ -47047,15 +45250,15 @@ l_Lean_Meta_throwIsDefEqStuck___rarg___closed__1 = _init_l_Lean_Meta_throwIsDefE
 lean_mark_persistent(l_Lean_Meta_throwIsDefEqStuck___rarg___closed__1);
 l_Lean_Meta_throwIsDefEqStuck___rarg___closed__2 = _init_l_Lean_Meta_throwIsDefEqStuck___rarg___closed__2();
 lean_mark_persistent(l_Lean_Meta_throwIsDefEqStuck___rarg___closed__2);
-l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__1);
-l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__2);
-l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__3);
-l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518____closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1518_(lean_io_mk_world());
+l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__1);
+l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__2);
+l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__3);
+l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485____closed__4);
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Basic___hyg_1485_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l_Lean_throwMaxRecDepthAt___at_Lean_Meta_withIncRecDepth___spec__1___rarg___closed__1 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Meta_withIncRecDepth___spec__1___rarg___closed__1();
@@ -47216,7 +45419,7 @@ l_Lean_Meta_isExprDefEq___closed__1 = _init_l_Lean_Meta_isExprDefEq___closed__1(
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__1);
 l_Lean_Meta_isExprDefEq___closed__2 = _init_l_Lean_Meta_isExprDefEq___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__2);
-res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14782_(lean_io_mk_world());
+res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_14809_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/CollectMVars.c b/stage0/stdlib/Lean/Meta/CollectMVars.c
index 4bd2227577..3d0bf61187 100644
--- a/stage0/stdlib/Lean/Meta/CollectMVars.c
+++ b/stage0/stdlib/Lean/Meta/CollectMVars.c
@@ -15,30 +15,28 @@ extern "C" {
 #endif
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_CollectMVars_visit(lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
+LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getMVarsNoDelayed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Meta_collectMVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Meta_collectMVarsAtDecl___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Meta_collectMVars___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_getMVars___closed__2;
@@ -56,19 +54,14 @@ static lean_object* l_Lean_Meta_getMVars___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_getMVarsNoDelayed___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVarsCore(lean_object*, lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Meta_getMVarsNoDelayed___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getMVarsAtDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Meta_collectMVarsAtDecl___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_getMVarsNoDelayed___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___boxed(lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_collectMVarsAtDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Meta_collectMVars___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -183,213 +176,6 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg___boxed), 4, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_1);
-lean_ctor_set(x_9, 1, x_8);
-return x_9;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -402,98 +188,41 @@ x_10 = lean_st_ref_get(x_4, x_9);
 x_11 = !lean_is_exclusive(x_10);
 if (x_11 == 0)
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_12 = lean_ctor_get(x_10, 0);
-x_13 = lean_ctor_get(x_10, 1);
-x_14 = lean_ctor_get(x_12, 0);
-lean_inc(x_14);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
 lean_dec(x_12);
-x_15 = lean_ctor_get(x_14, 7);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_15, x_1);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_ctor_set(x_10, 0, x_16);
+x_14 = lean_ctor_get(x_13, 7);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_14, x_1);
+lean_ctor_set(x_10, 0, x_15);
 return x_10;
 }
 else
 {
-lean_object* x_17; uint8_t x_18; 
-lean_free_object(x_10);
-x_17 = l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg(x_4, x_5, x_6, x_13);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set(x_17, 0, x_16);
-return x_17;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_16 = lean_ctor_get(x_10, 0);
+x_17 = lean_ctor_get(x_10, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_10);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_18, 7);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_19, x_1);
 x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_16);
-lean_ctor_set(x_21, 1, x_20);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_17);
 return x_21;
 }
 }
 }
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_22 = lean_ctor_get(x_10, 0);
-x_23 = lean_ctor_get(x_10, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_10);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_ctor_get(x_24, 7);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_25, x_1);
-if (lean_obj_tag(x_26) == 0)
-{
-lean_object* x_27; 
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_23);
-return x_27;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_28 = l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg(x_4, x_5, x_6, x_23);
-x_29 = lean_ctor_get(x_28, 1);
-lean_inc(x_29);
-if (lean_is_exclusive(x_28)) {
- lean_ctor_release(x_28, 0);
- lean_ctor_release(x_28, 1);
- x_30 = x_28;
-} else {
- lean_dec_ref(x_28);
- x_30 = lean_box(0);
-}
-if (lean_is_scalar(x_30)) {
- x_31 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_31 = x_30;
-}
-lean_ctor_set(x_31, 0, x_26);
-lean_ctor_set(x_31, 1, x_29);
-return x_31;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 uint8_t x_11; 
@@ -605,7 +334,7 @@ lean_inc(x_28);
 x_29 = lean_usize_of_nat(x_28);
 lean_dec(x_28);
 x_30 = lean_box(0);
-x_31 = l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4(x_25, x_27, x_29, x_30, x_2, x_3, x_4, x_5, x_6, x_22);
+x_31 = l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3(x_25, x_27, x_29, x_30, x_2, x_3, x_4, x_5, x_6, x_22);
 lean_dec(x_25);
 x_32 = !lean_is_exclusive(x_31);
 if (x_32 == 0)
@@ -642,41 +371,6 @@ lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_Meta_collectMVars___spec__3(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_9;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_collectMVars___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -690,7 +384,7 @@ lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 size_t x_11; size_t x_12; lean_object* x_13; 
@@ -698,7 +392,7 @@ x_11 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_12 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_13 = l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4(x_1, x_11, x_12, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_13 = l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__3(x_1, x_11, x_12, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -820,52 +514,48 @@ return x_7;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Meta_getMVarsNoDelayed___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 7);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_15, x_1);
-x_17 = lean_box(x_16);
-lean_ctor_set(x_11, 0, x_17);
-return x_11;
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_ctor_get(x_12, 7);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_13, x_1);
+x_15 = lean_box(x_14);
+lean_ctor_set(x_9, 0, x_15);
+return x_9;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
-x_18 = lean_ctor_get(x_11, 0);
-x_19 = lean_ctor_get(x_11, 1);
-lean_inc(x_19);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_9, 0);
+x_17 = lean_ctor_get(x_9, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_9);
+x_18 = lean_ctor_get(x_16, 0);
 lean_inc(x_18);
-lean_dec(x_11);
-x_20 = lean_ctor_get(x_18, 0);
-lean_inc(x_20);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_18, 7);
+lean_inc(x_19);
 lean_dec(x_18);
-x_21 = lean_ctor_get(x_20, 7);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_21, x_1);
-x_23 = lean_box(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_19);
-return x_24;
+x_20 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_19, x_1);
+x_21 = lean_box(x_20);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_17);
+return x_22;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/CongrTheorems.c b/stage0/stdlib/Lean/Meta/CongrTheorems.c
index 10e8e0a628..9247f059dc 100644
--- a/stage0/stdlib/Lean/Meta/CongrTheorems.c
+++ b/stage0/stdlib/Lean/Meta/CongrTheorems.c
@@ -106,6 +106,7 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_CongrTh
 LEAN_EXPORT lean_object* l___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* lean_expr_consume_type_annotations(lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_CongrTheorems_0__Lean_Meta_withNext___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_mkCongrSimpCore_x3f_mkProof_go___lambda__3___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -239,7 +240,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkHCongrWithArity___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_whnfCore_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkCongrSimpCore_x3f_mkProof_go___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3219,7 +3219,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -3947,7 +3947,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -4247,7 +4247,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_8 = lean_st_ref_get(x_6, x_7);
 x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
@@ -4261,235 +4261,170 @@ lean_dec(x_10);
 x_13 = lean_ctor_get(x_11, 0);
 lean_inc(x_13);
 lean_dec(x_11);
-x_112 = l_Lean_exprDependsOn___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__1___closed__1;
-x_113 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_13);
-x_114 = l_Lean_Expr_hasFVar(x_1);
-if (x_114 == 0)
+x_14 = l_Lean_exprDependsOn___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__1___closed__1;
+lean_inc(x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_13);
+x_16 = l_Lean_Expr_hasFVar(x_1);
+if (x_16 == 0)
 {
-uint8_t x_115; 
-x_115 = l_Lean_Expr_hasMVar(x_1);
-if (x_115 == 0)
+uint8_t x_17; 
+x_17 = l_Lean_Expr_hasMVar(x_1);
+if (x_17 == 0)
 {
-uint8_t x_116; 
-lean_dec(x_1);
-x_116 = 0;
-x_14 = x_116;
-x_15 = x_113;
-goto block_111;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_117 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__2(x_2, x_1, x_113);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
-lean_dec(x_118);
-x_14 = x_120;
-x_15 = x_119;
-goto block_111;
-}
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__10(x_2, x_1, x_113);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
-lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
-lean_dec(x_122);
-x_14 = x_124;
-x_15 = x_123;
-goto block_111;
-}
-block_111:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_15);
-x_17 = lean_st_ref_get(x_6, x_12);
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_take(x_4, x_18);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_16, sizeof(void*)*8);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_1);
+x_18 = lean_st_ref_get(x_6, x_12);
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = lean_st_ref_take(x_4, x_19);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_19, 1);
-lean_inc(x_23);
-lean_dec(x_19);
-x_24 = lean_ctor_get(x_16, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_16, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_16, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_16, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_16, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_16, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_16, 6);
+lean_dec(x_20);
+x_23 = !lean_is_exclusive(x_21);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_24 = lean_ctor_get(x_21, 0);
+lean_dec(x_24);
+lean_ctor_set(x_21, 0, x_13);
+x_25 = lean_st_ref_set(x_4, x_21, x_22);
+x_26 = !lean_is_exclusive(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_25, 0);
+lean_dec(x_27);
+x_28 = 0;
+x_29 = lean_box(x_28);
+lean_ctor_set(x_25, 0, x_29);
+return x_25;
+}
+else
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_ctor_get(x_25, 1);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_16, 7);
-lean_inc(x_31);
-lean_dec(x_16);
-x_32 = !lean_is_exclusive(x_20);
-if (x_32 == 0)
+lean_dec(x_25);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_20, 0);
-lean_dec(x_33);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_35 = lean_ctor_get(x_22, 7);
-lean_dec(x_35);
-x_36 = lean_ctor_get(x_22, 6);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_22, 5);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_22, 4);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_22, 3);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_22, 2);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_22, 1);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_22, 0);
-lean_dec(x_42);
-lean_ctor_set(x_22, 7, x_31);
-lean_ctor_set(x_22, 6, x_30);
-lean_ctor_set(x_22, 5, x_29);
-lean_ctor_set(x_22, 4, x_28);
-lean_ctor_set(x_22, 3, x_27);
-lean_ctor_set(x_22, 2, x_26);
-lean_ctor_set(x_22, 1, x_25);
-lean_ctor_set(x_22, 0, x_24);
-x_43 = lean_st_ref_set(x_4, x_20, x_23);
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_ctor_get(x_43, 0);
-lean_dec(x_45);
-x_46 = lean_box(x_14);
-lean_ctor_set(x_43, 0, x_46);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; 
+x_34 = lean_ctor_get(x_21, 1);
+x_35 = lean_ctor_get(x_21, 2);
+x_36 = lean_ctor_get(x_21, 3);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_21);
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_13);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_35);
+lean_ctor_set(x_37, 3, x_36);
+x_38 = lean_st_ref_set(x_4, x_37, x_22);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = 0;
+x_42 = lean_box(x_41);
+if (lean_is_scalar(x_40)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_43 = x_40;
+}
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_39);
 return x_43;
 }
+}
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_43, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+lean_dec(x_13);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__2(x_2, x_1, x_15);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
 lean_inc(x_47);
-lean_dec(x_43);
-x_48 = lean_box(x_14);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-return x_49;
-}
+lean_dec(x_45);
+x_48 = lean_st_ref_get(x_6, x_12);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_4, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+lean_dec(x_54);
+lean_ctor_set(x_51, 0, x_47);
+x_55 = lean_st_ref_set(x_4, x_51, x_52);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set(x_55, 0, x_46);
+return x_55;
 }
 else
 {
-uint8_t x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_50 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-lean_dec(x_22);
-x_51 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_51, 0, x_24);
-lean_ctor_set(x_51, 1, x_25);
-lean_ctor_set(x_51, 2, x_26);
-lean_ctor_set(x_51, 3, x_27);
-lean_ctor_set(x_51, 4, x_28);
-lean_ctor_set(x_51, 5, x_29);
-lean_ctor_set(x_51, 6, x_30);
-lean_ctor_set(x_51, 7, x_31);
-lean_ctor_set_uint8(x_51, sizeof(void*)*8, x_50);
-lean_ctor_set(x_20, 0, x_51);
-x_52 = lean_st_ref_set(x_4, x_20, x_23);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(x_14);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_57 = lean_ctor_get(x_20, 1);
-x_58 = lean_ctor_get(x_20, 2);
-x_59 = lean_ctor_get(x_20, 3);
-lean_inc(x_59);
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
 lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_20);
-x_60 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- lean_ctor_release(x_22, 4);
- lean_ctor_release(x_22, 5);
- lean_ctor_release(x_22, 6);
- lean_ctor_release(x_22, 7);
- x_61 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_61 = lean_box(0);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_46);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_62 = x_61;
 }
-lean_ctor_set(x_62, 0, x_24);
-lean_ctor_set(x_62, 1, x_25);
-lean_ctor_set(x_62, 2, x_26);
-lean_ctor_set(x_62, 3, x_27);
-lean_ctor_set(x_62, 4, x_28);
-lean_ctor_set(x_62, 5, x_29);
-lean_ctor_set(x_62, 6, x_30);
-lean_ctor_set(x_62, 7, x_31);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_60);
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_60 = lean_ctor_get(x_51, 1);
+x_61 = lean_ctor_get(x_51, 2);
+x_62 = lean_ctor_get(x_51, 3);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_51);
 x_63 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-lean_ctor_set(x_63, 2, x_58);
-lean_ctor_set(x_63, 3, x_59);
-x_64 = lean_st_ref_set(x_4, x_63, x_23);
+lean_ctor_set(x_63, 0, x_47);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_61);
+lean_ctor_set(x_63, 3, x_62);
+x_64 = lean_st_ref_set(x_4, x_63, x_52);
 x_65 = lean_ctor_get(x_64, 1);
 lean_inc(x_65);
 if (lean_is_exclusive(x_64)) {
@@ -4500,176 +4435,103 @@ if (lean_is_exclusive(x_64)) {
  lean_dec_ref(x_64);
  x_66 = lean_box(0);
 }
-x_67 = lean_box(x_14);
 if (lean_is_scalar(x_66)) {
- x_68 = lean_alloc_ctor(0, 2, 0);
+ x_67 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_68 = x_66;
+ x_67 = x_66;
+}
+lean_ctor_set(x_67, 0, x_46);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_65);
-return x_68;
 }
 }
 else
 {
-lean_object* x_69; uint8_t x_70; 
-x_69 = lean_ctor_get(x_19, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
+lean_dec(x_13);
+x_68 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_CongrTheorems_0__Lean_Meta_mkCast_go___spec__10(x_2, x_1, x_15);
+x_69 = lean_ctor_get(x_68, 1);
 lean_inc(x_69);
-lean_dec(x_19);
-x_70 = !lean_is_exclusive(x_16);
-if (x_70 == 0)
-{
-uint8_t x_71; 
-x_71 = !lean_is_exclusive(x_20);
-if (x_71 == 0)
-{
-lean_object* x_72; uint8_t x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_20, 0);
+x_70 = lean_ctor_get(x_68, 0);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = lean_st_ref_get(x_6, x_12);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
 lean_dec(x_72);
-x_73 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_73);
-lean_ctor_set(x_20, 0, x_16);
-x_74 = lean_st_ref_set(x_4, x_20, x_69);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-x_77 = lean_box(x_14);
-lean_ctor_set(x_74, 0, x_77);
-return x_74;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_74, 1);
-lean_inc(x_78);
+x_74 = lean_st_ref_take(x_4, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
 lean_dec(x_74);
-x_79 = lean_box(x_14);
-x_80 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
-}
+x_77 = !lean_is_exclusive(x_75);
+if (x_77 == 0)
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_75, 0);
+lean_dec(x_78);
+lean_ctor_set(x_75, 0, x_71);
+x_79 = lean_st_ref_set(x_4, x_75, x_76);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+lean_ctor_set(x_79, 0, x_70);
+return x_79;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_81 = lean_ctor_get(x_20, 1);
-x_82 = lean_ctor_get(x_20, 2);
-x_83 = lean_ctor_get(x_20, 3);
-lean_inc(x_83);
+lean_object* x_82; lean_object* x_83; 
+x_82 = lean_ctor_get(x_79, 1);
 lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_20);
-x_84 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_84);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_16);
-lean_ctor_set(x_85, 1, x_81);
-lean_ctor_set(x_85, 2, x_82);
-lean_ctor_set(x_85, 3, x_83);
-x_86 = lean_st_ref_set(x_4, x_85, x_69);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_88 = x_86;
-} else {
- lean_dec_ref(x_86);
- x_88 = lean_box(0);
-}
-x_89 = lean_box(x_14);
-if (lean_is_scalar(x_88)) {
- x_90 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_90 = x_88;
-}
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_87);
-return x_90;
+lean_dec(x_79);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_70);
+lean_ctor_set(x_83, 1, x_82);
+return x_83;
 }
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_91 = lean_ctor_get(x_16, 0);
-x_92 = lean_ctor_get(x_16, 1);
-x_93 = lean_ctor_get(x_16, 2);
-x_94 = lean_ctor_get(x_16, 3);
-x_95 = lean_ctor_get(x_16, 4);
-x_96 = lean_ctor_get(x_16, 5);
-x_97 = lean_ctor_get(x_16, 6);
-x_98 = lean_ctor_get(x_16, 7);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_16);
-x_99 = lean_ctor_get(x_20, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_20, 2);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_20, 3);
-lean_inc(x_101);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- x_102 = x_20;
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_84 = lean_ctor_get(x_75, 1);
+x_85 = lean_ctor_get(x_75, 2);
+x_86 = lean_ctor_get(x_75, 3);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_75);
+x_87 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_87, 0, x_71);
+lean_ctor_set(x_87, 1, x_84);
+lean_ctor_set(x_87, 2, x_85);
+lean_ctor_set(x_87, 3, x_86);
+x_88 = lean_st_ref_set(x_4, x_87, x_76);
+x_89 = lean_ctor_get(x_88, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_90 = x_88;
 } else {
- lean_dec_ref(x_20);
- x_102 = lean_box(0);
+ lean_dec_ref(x_88);
+ x_90 = lean_box(0);
 }
-x_103 = 1;
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_91);
-lean_ctor_set(x_104, 1, x_92);
-lean_ctor_set(x_104, 2, x_93);
-lean_ctor_set(x_104, 3, x_94);
-lean_ctor_set(x_104, 4, x_95);
-lean_ctor_set(x_104, 5, x_96);
-lean_ctor_set(x_104, 6, x_97);
-lean_ctor_set(x_104, 7, x_98);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-if (lean_is_scalar(x_102)) {
- x_105 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_105 = x_102;
-}
-lean_ctor_set(x_105, 0, x_104);
-lean_ctor_set(x_105, 1, x_99);
-lean_ctor_set(x_105, 2, x_100);
-lean_ctor_set(x_105, 3, x_101);
-x_106 = lean_st_ref_set(x_4, x_105, x_69);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
-}
-x_109 = lean_box(x_14);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-return x_110;
+ x_91 = x_90;
 }
+lean_ctor_set(x_91, 0, x_70);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Constructions.c b/stage0/stdlib/Lean/Meta/Constructions.c
index f60049a978..58cfb0ae04 100644
--- a/stage0/stdlib/Lean/Meta/Constructions.c
+++ b/stage0/stdlib/Lean/Meta/Constructions.c
@@ -3303,14 +3303,13 @@ x_1 = l_Lean_setReducibilityStatus___at_Lean_mkNoConfusionEnum_mkToCtorIdx___spe
 x_2 = l_Lean_setReducibilityStatus___at_Lean_mkNoConfusionEnum_mkToCtorIdx___spec__15___closed__7;
 x_3 = l_Lean_setReducibilityStatus___at_Lean_mkNoConfusionEnum_mkToCtorIdx___spec__15___closed__8;
 x_4 = l_Lean_setReducibilityStatus___at_Lean_mkNoConfusionEnum_mkToCtorIdx___spec__15___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/DecLevel.c b/stage0/stdlib/Lean/Meta/DecLevel.c
index 4b2c31ccb0..1f5af0eabc 100644
--- a/stage0/stdlib/Lean/Meta/DecLevel.c
+++ b/stage0/stdlib/Lean/Meta/DecLevel.c
@@ -30,23 +30,19 @@ lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_decLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__8;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__5;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__6;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__2(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkLevelMax_x27(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_decLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getDecLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__3;
 static lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4(uint8_t, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_DecLevelContext_canAssignMVars___default;
 static lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -58,7 +54,6 @@ lean_object* l___private_Lean_Util_Trace_0__Lean_addTraceOptions(lean_object*);
 static lean_object* l_Lean_Meta_decLevel___closed__1;
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__3;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_decLevel___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_decLevel___closed__2;
@@ -73,7 +68,6 @@ lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMe
 static lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__6;
 static lean_object* l_Lean_Meta_decLevel___closed__3;
 lean_object* l_Lean_Level_mvar___override(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_decLevel_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static uint8_t _init_l_Lean_Meta_DecLevelContext_canAssignMVars___default() {
 _start:
@@ -108,48 +102,45 @@ lean_dec(x_16);
 x_17 = !lean_is_exclusive(x_13);
 if (x_17 == 0)
 {
-lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; uint8_t x_22; 
+lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_18 = lean_ctor_get(x_13, 5);
 x_19 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_18, x_1, x_2);
-x_20 = 1;
 lean_ctor_set(x_13, 5, x_19);
-lean_ctor_set_uint8(x_13, sizeof(void*)*8, x_20);
-x_21 = lean_st_ref_set(x_5, x_12, x_14);
-x_22 = !lean_is_exclusive(x_21);
-if (x_22 == 0)
+x_20 = lean_st_ref_set(x_5, x_12, x_14);
+x_21 = !lean_is_exclusive(x_20);
+if (x_21 == 0)
 {
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_21, 0);
-lean_dec(x_23);
-x_24 = lean_box(0);
-lean_ctor_set(x_21, 0, x_24);
-return x_21;
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_22);
+x_23 = lean_box(0);
+lean_ctor_set(x_20, 0, x_23);
+return x_20;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
-lean_dec(x_21);
-x_26 = lean_box(0);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_25);
-return x_27;
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_20, 1);
+lean_inc(x_24);
+lean_dec(x_20);
+x_25 = lean_box(0);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_24);
+return x_26;
 }
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_28 = lean_ctor_get(x_13, 0);
-x_29 = lean_ctor_get(x_13, 1);
-x_30 = lean_ctor_get(x_13, 2);
-x_31 = lean_ctor_get(x_13, 3);
-x_32 = lean_ctor_get(x_13, 4);
-x_33 = lean_ctor_get(x_13, 5);
-x_34 = lean_ctor_get(x_13, 6);
-x_35 = lean_ctor_get(x_13, 7);
-lean_inc(x_35);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_27 = lean_ctor_get(x_13, 0);
+x_28 = lean_ctor_get(x_13, 1);
+x_29 = lean_ctor_get(x_13, 2);
+x_30 = lean_ctor_get(x_13, 3);
+x_31 = lean_ctor_get(x_13, 4);
+x_32 = lean_ctor_get(x_13, 5);
+x_33 = lean_ctor_get(x_13, 6);
+x_34 = lean_ctor_get(x_13, 7);
 lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
@@ -157,68 +148,67 @@ lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
+lean_inc(x_27);
 lean_dec(x_13);
-x_36 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_33, x_1, x_2);
-x_37 = 1;
-x_38 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_38, 0, x_28);
-lean_ctor_set(x_38, 1, x_29);
-lean_ctor_set(x_38, 2, x_30);
-lean_ctor_set(x_38, 3, x_31);
-lean_ctor_set(x_38, 4, x_32);
-lean_ctor_set(x_38, 5, x_36);
-lean_ctor_set(x_38, 6, x_34);
-lean_ctor_set(x_38, 7, x_35);
-lean_ctor_set_uint8(x_38, sizeof(void*)*8, x_37);
-lean_ctor_set(x_12, 0, x_38);
-x_39 = lean_st_ref_set(x_5, x_12, x_14);
-x_40 = lean_ctor_get(x_39, 1);
-lean_inc(x_40);
-if (lean_is_exclusive(x_39)) {
- lean_ctor_release(x_39, 0);
- lean_ctor_release(x_39, 1);
+x_35 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_32, x_1, x_2);
+x_36 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_36, 0, x_27);
+lean_ctor_set(x_36, 1, x_28);
+lean_ctor_set(x_36, 2, x_29);
+lean_ctor_set(x_36, 3, x_30);
+lean_ctor_set(x_36, 4, x_31);
+lean_ctor_set(x_36, 5, x_35);
+lean_ctor_set(x_36, 6, x_33);
+lean_ctor_set(x_36, 7, x_34);
+lean_ctor_set(x_12, 0, x_36);
+x_37 = lean_st_ref_set(x_5, x_12, x_14);
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+if (lean_is_exclusive(x_37)) {
+ lean_ctor_release(x_37, 0);
+ lean_ctor_release(x_37, 1);
+ x_39 = x_37;
+} else {
+ lean_dec_ref(x_37);
+ x_39 = lean_box(0);
+}
+x_40 = lean_box(0);
+if (lean_is_scalar(x_39)) {
+ x_41 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_41 = x_39;
-} else {
- lean_dec_ref(x_39);
- x_41 = lean_box(0);
 }
-x_42 = lean_box(0);
-if (lean_is_scalar(x_41)) {
- x_43 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_43 = x_41;
-}
-lean_ctor_set(x_43, 0, x_42);
-lean_ctor_set(x_43, 1, x_40);
-return x_43;
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_38);
+return x_41;
 }
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_44 = lean_ctor_get(x_12, 1);
-x_45 = lean_ctor_get(x_12, 2);
-x_46 = lean_ctor_get(x_12, 3);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_42 = lean_ctor_get(x_12, 1);
+x_43 = lean_ctor_get(x_12, 2);
+x_44 = lean_ctor_get(x_12, 3);
 lean_inc(x_44);
+lean_inc(x_43);
+lean_inc(x_42);
 lean_dec(x_12);
-x_47 = lean_ctor_get(x_13, 0);
+x_45 = lean_ctor_get(x_13, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_13, 1);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_13, 2);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_13, 1);
+x_48 = lean_ctor_get(x_13, 3);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_13, 2);
+x_49 = lean_ctor_get(x_13, 4);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_13, 3);
+x_50 = lean_ctor_get(x_13, 5);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_13, 4);
+x_51 = lean_ctor_get(x_13, 6);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_13, 5);
+x_52 = lean_ctor_get(x_13, 7);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_13, 6);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_13, 7);
-lean_inc(x_54);
 if (lean_is_exclusive(x_13)) {
  lean_ctor_release(x_13, 0);
  lean_ctor_release(x_13, 1);
@@ -228,52 +218,50 @@ if (lean_is_exclusive(x_13)) {
  lean_ctor_release(x_13, 5);
  lean_ctor_release(x_13, 6);
  lean_ctor_release(x_13, 7);
- x_55 = x_13;
+ x_53 = x_13;
 } else {
  lean_dec_ref(x_13);
- x_55 = lean_box(0);
+ x_53 = lean_box(0);
 }
-x_56 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_52, x_1, x_2);
-x_57 = 1;
-if (lean_is_scalar(x_55)) {
- x_58 = lean_alloc_ctor(0, 8, 1);
+x_54 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_50, x_1, x_2);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_58 = x_55;
+ x_55 = x_53;
 }
-lean_ctor_set(x_58, 0, x_47);
-lean_ctor_set(x_58, 1, x_48);
-lean_ctor_set(x_58, 2, x_49);
-lean_ctor_set(x_58, 3, x_50);
-lean_ctor_set(x_58, 4, x_51);
-lean_ctor_set(x_58, 5, x_56);
-lean_ctor_set(x_58, 6, x_53);
-lean_ctor_set(x_58, 7, x_54);
-lean_ctor_set_uint8(x_58, sizeof(void*)*8, x_57);
-x_59 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_44);
-lean_ctor_set(x_59, 2, x_45);
-lean_ctor_set(x_59, 3, x_46);
-x_60 = lean_st_ref_set(x_5, x_59, x_14);
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-if (lean_is_exclusive(x_60)) {
- lean_ctor_release(x_60, 0);
- lean_ctor_release(x_60, 1);
- x_62 = x_60;
+lean_ctor_set(x_55, 0, x_45);
+lean_ctor_set(x_55, 1, x_46);
+lean_ctor_set(x_55, 2, x_47);
+lean_ctor_set(x_55, 3, x_48);
+lean_ctor_set(x_55, 4, x_49);
+lean_ctor_set(x_55, 5, x_54);
+lean_ctor_set(x_55, 6, x_51);
+lean_ctor_set(x_55, 7, x_52);
+x_56 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_42);
+lean_ctor_set(x_56, 2, x_43);
+lean_ctor_set(x_56, 3, x_44);
+x_57 = lean_st_ref_set(x_5, x_56, x_14);
+x_58 = lean_ctor_get(x_57, 1);
+lean_inc(x_58);
+if (lean_is_exclusive(x_57)) {
+ lean_ctor_release(x_57, 0);
+ lean_ctor_release(x_57, 1);
+ x_59 = x_57;
 } else {
- lean_dec_ref(x_60);
- x_62 = lean_box(0);
+ lean_dec_ref(x_57);
+ x_59 = lean_box(0);
 }
-x_63 = lean_box(0);
-if (lean_is_scalar(x_62)) {
- x_64 = lean_alloc_ctor(0, 2, 0);
+x_60 = lean_box(0);
+if (lean_is_scalar(x_59)) {
+ x_61 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_64 = x_62;
+ x_61 = x_59;
 }
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_61);
-return x_64;
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_58);
+return x_61;
 }
 }
 }
@@ -593,203 +581,6 @@ lean_ctor_set(x_11, 1, x_7);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4(uint8_t x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg___boxed), 4, 0);
-return x_3;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -823,16 +614,6 @@ return x_17;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_1);
-lean_ctor_set(x_9, 1, x_8);
-return x_9;
-}
-}
 static lean_object* _init_l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__1() {
 _start:
 {
@@ -1354,284 +1135,264 @@ return x_96;
 }
 case 5:
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
 x_97 = lean_ctor_get(x_1, 0);
 lean_inc(x_97);
 lean_dec(x_1);
-x_158 = lean_st_ref_get(x_6, x_7);
-x_159 = lean_ctor_get(x_158, 1);
-lean_inc(x_159);
-lean_dec(x_158);
-x_160 = lean_st_ref_get(x_4, x_159);
-x_161 = lean_ctor_get(x_160, 0);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_160, 1);
-lean_inc(x_162);
-lean_dec(x_160);
-x_163 = lean_ctor_get(x_161, 0);
-lean_inc(x_163);
-lean_dec(x_161);
-x_164 = lean_ctor_get(x_163, 5);
-lean_inc(x_164);
-lean_dec(x_163);
-lean_inc(x_97);
-x_165 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_164, x_97);
-if (lean_obj_tag(x_165) == 0)
-{
-x_98 = x_165;
-x_99 = x_162;
-goto block_157;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; 
-x_166 = l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg(x_4, x_5, x_6, x_162);
-x_167 = lean_ctor_get(x_166, 1);
-lean_inc(x_167);
-lean_dec(x_166);
-x_98 = x_165;
-x_99 = x_167;
-goto block_157;
-}
-block_157:
-{
-if (lean_obj_tag(x_98) == 0)
-{
-lean_object* x_100; 
-lean_inc(x_97);
-x_100 = l_Lean_LMVarId_isReadOnly(x_97, x_3, x_4, x_5, x_6, x_99);
-if (lean_obj_tag(x_100) == 0)
-{
-lean_object* x_101; uint8_t x_102; 
+x_98 = lean_st_ref_get(x_6, x_7);
+x_99 = lean_ctor_get(x_98, 1);
+lean_inc(x_99);
+lean_dec(x_98);
+x_100 = lean_st_ref_get(x_4, x_99);
 x_101 = lean_ctor_get(x_100, 0);
 lean_inc(x_101);
-x_102 = lean_unbox(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+lean_dec(x_100);
+x_103 = lean_ctor_get(x_101, 0);
+lean_inc(x_103);
 lean_dec(x_101);
-if (x_102 == 0)
+x_104 = lean_ctor_get(x_103, 5);
+lean_inc(x_104);
+lean_dec(x_103);
+lean_inc(x_97);
+x_105 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_104, x_97);
+if (lean_obj_tag(x_105) == 0)
+{
+lean_object* x_106; 
+lean_inc(x_97);
+x_106 = l_Lean_LMVarId_isReadOnly(x_97, x_3, x_4, x_5, x_6, x_102);
+if (lean_obj_tag(x_106) == 0)
+{
+lean_object* x_107; uint8_t x_108; 
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_unbox(x_107);
+lean_dec(x_107);
+if (x_108 == 0)
 {
 if (x_2 == 0)
 {
-uint8_t x_103; 
+uint8_t x_109; 
 lean_dec(x_97);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_103 = !lean_is_exclusive(x_100);
-if (x_103 == 0)
+x_109 = !lean_is_exclusive(x_106);
+if (x_109 == 0)
 {
-lean_object* x_104; lean_object* x_105; 
-x_104 = lean_ctor_get(x_100, 0);
-lean_dec(x_104);
-x_105 = lean_box(0);
-lean_ctor_set(x_100, 0, x_105);
-return x_100;
-}
-else
-{
-lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_106 = lean_ctor_get(x_100, 1);
-lean_inc(x_106);
-lean_dec(x_100);
-x_107 = lean_box(0);
-x_108 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_106);
-return x_108;
-}
-}
-else
-{
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; lean_object* x_115; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_109 = lean_ctor_get(x_100, 1);
-lean_inc(x_109);
-lean_dec(x_100);
-x_110 = l_Lean_Meta_mkFreshLevelMVar(x_3, x_4, x_5, x_6, x_109);
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
+lean_object* x_110; lean_object* x_111; 
+x_110 = lean_ctor_get(x_106, 0);
 lean_dec(x_110);
-x_113 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__6;
-x_134 = lean_st_ref_get(x_6, x_112);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_135, 3);
-lean_inc(x_136);
-lean_dec(x_135);
-x_137 = lean_ctor_get_uint8(x_136, sizeof(void*)*1);
-lean_dec(x_136);
-if (x_137 == 0)
-{
-lean_object* x_138; uint8_t x_139; 
-x_138 = lean_ctor_get(x_134, 1);
-lean_inc(x_138);
-lean_dec(x_134);
-x_139 = 0;
-x_114 = x_139;
-x_115 = x_138;
-goto block_133;
+x_111 = lean_box(0);
+lean_ctor_set(x_106, 0, x_111);
+return x_106;
 }
 else
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
-x_140 = lean_ctor_get(x_134, 1);
-lean_inc(x_140);
-lean_dec(x_134);
-x_141 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__3(x_113, x_2, x_3, x_4, x_5, x_6, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_141, 1);
-lean_inc(x_143);
-lean_dec(x_141);
-x_144 = lean_unbox(x_142);
-lean_dec(x_142);
-x_114 = x_144;
-x_115 = x_143;
-goto block_133;
+lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_112 = lean_ctor_get(x_106, 1);
+lean_inc(x_112);
+lean_dec(x_106);
+x_113 = lean_box(0);
+x_114 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_112);
+return x_114;
 }
-block_133:
+}
+else
 {
-if (x_114 == 0)
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
+x_115 = lean_ctor_get(x_106, 1);
+lean_inc(x_115);
+lean_dec(x_106);
+x_116 = l_Lean_Meta_mkFreshLevelMVar(x_3, x_4, x_5, x_6, x_115);
+x_117 = lean_ctor_get(x_116, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__6;
+x_140 = lean_st_ref_get(x_6, x_118);
+x_141 = lean_ctor_get(x_140, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_141, 3);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_ctor_get_uint8(x_142, sizeof(void*)*1);
+lean_dec(x_142);
+if (x_143 == 0)
 {
-lean_object* x_116; lean_object* x_117; 
-x_116 = lean_box(0);
-x_117 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(x_111, x_97, x_116, x_2, x_3, x_4, x_5, x_6, x_115);
+lean_object* x_144; uint8_t x_145; 
+x_144 = lean_ctor_get(x_140, 1);
+lean_inc(x_144);
+lean_dec(x_140);
+x_145 = 0;
+x_120 = x_145;
+x_121 = x_144;
+goto block_139;
+}
+else
+{
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
+x_146 = lean_ctor_get(x_140, 1);
+lean_inc(x_146);
+lean_dec(x_140);
+x_147 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__3(x_119, x_2, x_3, x_4, x_5, x_6, x_146);
+x_148 = lean_ctor_get(x_147, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_147, 1);
+lean_inc(x_149);
+lean_dec(x_147);
+x_150 = lean_unbox(x_148);
+lean_dec(x_148);
+x_120 = x_150;
+x_121 = x_149;
+goto block_139;
+}
+block_139:
+{
+if (x_120 == 0)
+{
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_box(0);
+x_123 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(x_117, x_97, x_122, x_2, x_3, x_4, x_5, x_6, x_121);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_117;
+return x_123;
 }
 else
 {
-lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
 lean_inc(x_97);
-x_118 = l_Lean_Level_mvar___override(x_97);
-x_119 = lean_alloc_ctor(3, 1, 0);
-lean_ctor_set(x_119, 0, x_118);
-x_120 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__8;
-x_121 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_121, 0, x_120);
-lean_ctor_set(x_121, 1, x_119);
-x_122 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__10;
-x_123 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_123, 0, x_121);
-lean_ctor_set(x_123, 1, x_122);
-lean_inc(x_111);
-x_124 = l_Lean_Level_succ___override(x_111);
+x_124 = l_Lean_Level_mvar___override(x_97);
 x_125 = lean_alloc_ctor(3, 1, 0);
 lean_ctor_set(x_125, 0, x_124);
-x_126 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_126, 0, x_123);
-lean_ctor_set(x_126, 1, x_125);
-x_127 = l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__8;
-x_128 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_128, 0, x_126);
-lean_ctor_set(x_128, 1, x_127);
-x_129 = l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2(x_113, x_128, x_2, x_3, x_4, x_5, x_6, x_115);
-x_130 = lean_ctor_get(x_129, 0);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_129, 1);
-lean_inc(x_131);
-lean_dec(x_129);
-x_132 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(x_111, x_97, x_130, x_2, x_3, x_4, x_5, x_6, x_131);
+x_126 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__8;
+x_127 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_127, 0, x_126);
+lean_ctor_set(x_127, 1, x_125);
+x_128 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___closed__10;
+x_129 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_129, 0, x_127);
+lean_ctor_set(x_129, 1, x_128);
+lean_inc(x_117);
+x_130 = l_Lean_Level_succ___override(x_117);
+x_131 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_131, 0, x_130);
+x_132 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_132, 0, x_129);
+lean_ctor_set(x_132, 1, x_131);
+x_133 = l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2___closed__8;
+x_134 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+x_135 = l_Lean_addTrace___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__2(x_119, x_134, x_2, x_3, x_4, x_5, x_6, x_121);
+x_136 = lean_ctor_get(x_135, 0);
+lean_inc(x_136);
+x_137 = lean_ctor_get(x_135, 1);
+lean_inc(x_137);
+lean_dec(x_135);
+x_138 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1(x_117, x_97, x_136, x_2, x_3, x_4, x_5, x_6, x_137);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_130);
-return x_132;
+lean_dec(x_136);
+return x_138;
 }
 }
 }
 }
 else
 {
-uint8_t x_145; 
-lean_dec(x_97);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_145 = !lean_is_exclusive(x_100);
-if (x_145 == 0)
-{
-lean_object* x_146; lean_object* x_147; 
-x_146 = lean_ctor_get(x_100, 0);
-lean_dec(x_146);
-x_147 = lean_box(0);
-lean_ctor_set(x_100, 0, x_147);
-return x_100;
-}
-else
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_148 = lean_ctor_get(x_100, 1);
-lean_inc(x_148);
-lean_dec(x_100);
-x_149 = lean_box(0);
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-return x_150;
-}
-}
-}
-else
-{
 uint8_t x_151; 
 lean_dec(x_97);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_151 = !lean_is_exclusive(x_100);
+x_151 = !lean_is_exclusive(x_106);
 if (x_151 == 0)
 {
-return x_100;
+lean_object* x_152; lean_object* x_153; 
+x_152 = lean_ctor_get(x_106, 0);
+lean_dec(x_152);
+x_153 = lean_box(0);
+lean_ctor_set(x_106, 0, x_153);
+return x_106;
 }
 else
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_152 = lean_ctor_get(x_100, 0);
-x_153 = lean_ctor_get(x_100, 1);
-lean_inc(x_153);
-lean_inc(x_152);
-lean_dec(x_100);
-x_154 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_154, 0, x_152);
-lean_ctor_set(x_154, 1, x_153);
-return x_154;
+lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+x_154 = lean_ctor_get(x_106, 1);
+lean_inc(x_154);
+lean_dec(x_106);
+x_155 = lean_box(0);
+x_156 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_156, 0, x_155);
+lean_ctor_set(x_156, 1, x_154);
+return x_156;
 }
 }
 }
 else
 {
-lean_object* x_155; 
+uint8_t x_157; 
 lean_dec(x_97);
-x_155 = lean_ctor_get(x_98, 0);
-lean_inc(x_155);
-lean_dec(x_98);
-x_1 = x_155;
-x_7 = x_99;
-goto _start;
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_157 = !lean_is_exclusive(x_106);
+if (x_157 == 0)
+{
+return x_106;
 }
+else
+{
+lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+x_158 = lean_ctor_get(x_106, 0);
+x_159 = lean_ctor_get(x_106, 1);
+lean_inc(x_159);
+lean_inc(x_158);
+lean_dec(x_106);
+x_160 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_160, 0, x_158);
+lean_ctor_set(x_160, 1, x_159);
+return x_160;
+}
+}
+}
+else
+{
+lean_object* x_161; 
+lean_dec(x_97);
+x_161 = lean_ctor_get(x_105, 0);
+lean_inc(x_161);
+lean_dec(x_105);
+x_1 = x_161;
+x_7 = x_102;
+goto _start;
 }
 }
 default: 
 {
-lean_object* x_168; lean_object* x_169; 
+lean_object* x_163; lean_object* x_164; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_168 = lean_box(0);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_7);
-return x_169;
+x_163 = lean_box(0);
+x_164 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_164, 0, x_163);
+lean_ctor_set(x_164, 1, x_7);
+return x_164;
 }
 }
 }
@@ -1678,28 +1439,6 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = lean_unbox(x_1);
-lean_dec(x_1);
-x_4 = l_Lean_markUsedAssignment___at___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___spec__4(x_3, x_2);
-lean_dec(x_2);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -1715,21 +1454,6 @@ lean_dec(x_3);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; lean_object* x_10; 
-x_9 = lean_unbox(x_3);
-lean_dec(x_3);
-x_10 = l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___lambda__2(x_1, x_2, x_9, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-return x_10;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Meta_DecLevel_0__Lean_Meta_decAux_x3f___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
diff --git a/stage0/stdlib/Lean/Meta/Eqns.c b/stage0/stdlib/Lean/Meta/Eqns.c
index 49ef01eaa8..1fe1c3a3b4 100644
--- a/stage0/stdlib/Lean/Meta/Eqns.c
+++ b/stage0/stdlib/Lean/Meta/Eqns.c
@@ -3326,14 +3326,13 @@ x_1 = l_List_forIn_loop___at_Lean_Meta_getEqnsFor_x3f___spec__8___closed__3;
 x_2 = l_List_forIn_loop___at_Lean_Meta_getEqnsFor_x3f___spec__8___closed__5;
 x_3 = l_List_forIn_loop___at_Lean_Meta_getEqnsFor_x3f___spec__8___closed__6;
 x_4 = l_List_forIn_loop___at_Lean_Meta_getEqnsFor_x3f___spec__8___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -3916,16 +3915,14 @@ lean_ctor_set(x_48, 1, x_34);
 x_49 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_49, 0, x_5);
 lean_ctor_set(x_49, 1, x_34);
-lean_inc(x_49);
 lean_inc_n(x_46, 2);
-x_50 = lean_alloc_ctor(0, 7, 0);
+x_50 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_50, 0, x_46);
 lean_ctor_set(x_50, 1, x_47);
 lean_ctor_set(x_50, 2, x_48);
 lean_ctor_set(x_50, 3, x_46);
 lean_ctor_set(x_50, 4, x_46);
 lean_ctor_set(x_50, 5, x_49);
-lean_ctor_set(x_50, 6, x_49);
 lean_ctor_set(x_42, 1, x_50);
 x_51 = lean_st_ref_set(x_8, x_42, x_43);
 lean_dec(x_8);
@@ -3977,16 +3974,14 @@ lean_ctor_set(x_61, 1, x_34);
 x_62 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_62, 0, x_5);
 lean_ctor_set(x_62, 1, x_34);
-lean_inc(x_62);
 lean_inc_n(x_59, 2);
-x_63 = lean_alloc_ctor(0, 7, 0);
+x_63 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_63, 0, x_59);
 lean_ctor_set(x_63, 1, x_60);
 lean_ctor_set(x_63, 2, x_61);
 lean_ctor_set(x_63, 3, x_59);
 lean_ctor_set(x_63, 4, x_59);
 lean_ctor_set(x_63, 5, x_62);
-lean_ctor_set(x_63, 6, x_62);
 x_64 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_64, 0, x_56);
 lean_ctor_set(x_64, 1, x_63);
@@ -4100,16 +4095,14 @@ lean_ctor_set(x_95, 1, x_78);
 x_96 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_96, 0, x_5);
 lean_ctor_set(x_96, 1, x_78);
-lean_inc(x_96);
 lean_inc_n(x_93, 2);
-x_97 = lean_alloc_ctor(0, 7, 0);
+x_97 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_97, 0, x_93);
 lean_ctor_set(x_97, 1, x_94);
 lean_ctor_set(x_97, 2, x_95);
 lean_ctor_set(x_97, 3, x_93);
 lean_ctor_set(x_97, 4, x_93);
 lean_ctor_set(x_97, 5, x_96);
-lean_ctor_set(x_97, 6, x_96);
 if (lean_is_scalar(x_92)) {
  x_98 = lean_alloc_ctor(0, 4, 0);
 } else {
@@ -4254,16 +4247,14 @@ lean_ctor_set(x_136, 1, x_119);
 x_137 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_137, 0, x_5);
 lean_ctor_set(x_137, 1, x_119);
-lean_inc(x_137);
 lean_inc_n(x_134, 2);
-x_138 = lean_alloc_ctor(0, 7, 0);
+x_138 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_138, 0, x_134);
 lean_ctor_set(x_138, 1, x_135);
 lean_ctor_set(x_138, 2, x_136);
 lean_ctor_set(x_138, 3, x_134);
 lean_ctor_set(x_138, 4, x_134);
 lean_ctor_set(x_138, 5, x_137);
-lean_ctor_set(x_138, 6, x_137);
 if (lean_is_scalar(x_133)) {
  x_139 = lean_alloc_ctor(0, 4, 0);
 } else {
diff --git a/stage0/stdlib/Lean/Meta/ExprDefEq.c b/stage0/stdlib/Lean/Meta/ExprDefEq.c
index 9b87caa7e8..ae37d8f3ef 100644
--- a/stage0/stdlib/Lean/Meta/ExprDefEq.c
+++ b/stage0/stdlib/Lean/Meta/ExprDefEq.c
@@ -31,7 +31,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at__
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_elem___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___spec__2___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__2;
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(lean_object*, size_t, size_t);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___spec__2___closed__5;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__1;
 size_t lean_usize_add(size_t, size_t);
@@ -66,13 +65,11 @@ static lean_object* l_Lean_Meta_CheckAssignment_check___closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__45___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_CheckAssignment_checkFVar___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMap_insert___at_Lean_instantiateExprMVars___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_forallE___override(lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_checkAssignmentAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__12;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__11;
@@ -110,6 +107,7 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignmen
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_checkFVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__32(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__20___boxed(lean_object*, lean_object*, lean_object*);
@@ -150,15 +148,12 @@ lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqBinding(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__29___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignmentQuick_check_visit___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__22(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDepsAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getNumPostponed___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__9;
 extern lean_object* l_Lean_MessageData_nil;
@@ -175,7 +170,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__5;
@@ -202,12 +196,10 @@ lean_object* l_Lean_MessageData_ofList(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__13;
 LEAN_EXPORT uint8_t l_List_elem___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getConst_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__4;
 lean_object* l_Lean_Meta_unfoldDefinition_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isDefEqNative(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -233,13 +225,13 @@ static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0_
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_defaultCase___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___closed__2;
 uint8_t l___private_Init_Meta_0__Lean_Meta_beqTransparencyMode____x40_Init_Meta___hyg_10207_(uint8_t, uint8_t);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_contains(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__12(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__41(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__67(lean_object*, size_t, size_t, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___rarg(lean_object*, lean_object*, lean_object*);
@@ -247,11 +239,9 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQui
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__8;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_outOfScopeExceptionId;
 lean_object* l_Lean_MVarId_isAssigned___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_withResetUsedAssignment(lean_object*);
 lean_object* l_Lean_Meta_getPostponed___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* lean_is_expr_def_eq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_simpAssignmentArgAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -268,6 +258,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_Ex
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment_process___lambda__1___closed__1;
 LEAN_EXPORT uint8_t l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_etaEq(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__1;
+static lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -326,7 +317,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_trySynthPe
 lean_object* lean_array_fget(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__3;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_CheckAssignment_checkApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-uint8_t l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -344,6 +334,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAss
 lean_object* l_StateRefT_x27_lift(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__60(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__21;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_addLetDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProj_isDefEqSingleton___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -359,9 +351,9 @@ static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___c
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__53___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21(lean_object*);
 lean_object* lean_local_ctx_get(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_patternAnnotation_x3f(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeft(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__2;
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__1;
 lean_object* l_Lean_instantiateMVars___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -379,6 +371,7 @@ lean_object* l_Lean_Expr_headBeta(lean_object*);
 lean_object* l_Std_PersistentArray_get_x21___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__15;
 static lean_object* l_Lean_Meta_CheckAssignment_checkMVar___closed__4;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__6;
@@ -387,6 +380,7 @@ static lean_object* l_Lean_Meta_CheckAssignment_initFn____x40_Lean_Meta_ExprDefE
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_assignConst___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProj_isDefEqSingleton___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__38(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_sameHeadSymbol(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -426,16 +420,15 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnF
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ConstantInfo_name(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__5;
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_toCtorIfLit(lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__58(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__47(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Nat_repr(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstance___at___private_Lean_Meta_Basic_0__Lean_Meta_withNewLocalInstancesImp___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__15___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isDefEqOffset(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -449,7 +442,6 @@ uint8_t l_Lean_Meta_ParamInfo_isInstImplicit(lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__13;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__3;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__49___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -463,6 +455,7 @@ uint64_t l_Lean_Expr_hash(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__5___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__3;
+lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__54(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_checkMVar___closed__3;
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_instantiateExprMVars___spec__1(lean_object*, lean_object*);
@@ -481,7 +474,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDela
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__57(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_checkMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__1;
 uint8_t l_Lean_ConstantInfo_hasValue(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isEtaUnassignedMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_left(size_t, size_t);
@@ -491,11 +483,11 @@ static lean_object* l_Lean_Meta_isDefEqStringLit___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-static lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProj_isDefEqSingleton(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_addLetDeps(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqBinding___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__10;
@@ -514,6 +506,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_simpAssign
 size_t lean_usize_modn(size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_checkApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar___rarg___closed__2;
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1;
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProjInst___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -546,27 +539,22 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqPro
 lean_object* l_Lean_Meta_isExprDefEqAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_quick_lt(lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
 lean_object* l_Lean_ConstantInfo_hints(lean_object*);
 extern lean_object* l_Lean_Core_instMonadQuotationCoreM;
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_addLetDeps___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__54___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4(lean_object*, lean_object*);
-static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2;
 static lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar___rarg___closed__1;
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1;
 LEAN_EXPORT uint8_t l_Lean_Meta_CheckAssignmentQuick_check_visit(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar___rarg(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -578,7 +566,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__1___boxed(lean
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__9(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__8;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__46(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_withResetUsedAssignment___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqBindingAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Meta_ParamInfo_isExplicit(lean_object*);
@@ -594,12 +581,12 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqPro
 static lean_object* l_Lean_Meta_CheckAssignment_checkMVar___closed__1;
 lean_object* l_Lean_registerInternalExceptionId(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isProjectionFn___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldNonProjFnDefEq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__19;
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__4;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__66(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEta___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqRight(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2;
 lean_object* l_Lean_Meta_mkFreshExprMVarAt(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__8;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
@@ -609,7 +596,6 @@ lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_objec
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__13;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__1___closed__3;
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__3;
-extern lean_object* l_Lean_Meta_smartUnfolding;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -684,7 +670,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_ExprD
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Meta_CheckAssignment_checkApp___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__39___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_CheckAssignmentQuick_check(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_simpAssignmentArg___closed__1;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__49(lean_object*, lean_object*, size_t, size_t);
@@ -693,7 +678,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_withNestedTracesFin
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_cache___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_CheckAssignment_checkApp___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__9;
 uint8_t l_Bool_toLBool(uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -705,6 +689,7 @@ static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___s
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FVarId_isLetVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
 lean_object* lean_synth_pending(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_throwCheckAssignmentFailure(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -750,7 +735,7 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__46___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__4(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_17288_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_16761_(lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_throwCheckAssignmentFailure___rarg___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -759,6 +744,7 @@ static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0_
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__7(lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwUnknownMVar___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__59(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween___lambda__1(lean_object*);
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -804,7 +790,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEta
 extern lean_object* l_Lean_Expr_instBEqExpr;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__12;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_consumeLet(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__28(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeft___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -845,7 +830,6 @@ static lean_object* l_Lean_Meta_CheckAssignment_checkFVar___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__28___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__13___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_run___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_checkFVar___closed__2;
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickMVarMVar___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -853,12 +837,12 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkM
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldComparingHeadsDefEq___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeftRight___closed__2;
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__45(lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_find(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_mkHashSet___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeps___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_Meta_CheckAssignment_checkMVar___spec__52___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -882,12 +866,12 @@ uint8_t l_Lean_Expr_hasFVar(lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_setPostponed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__5;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignmentQuick_check_visit___spec__1(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getConfig(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constName_x21(lean_object*);
 lean_object* l_Lean_Meta_processPostponed(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -915,16 +899,17 @@ static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___c
 static size_t l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___closed__1;
 uint8_t l_Array_contains___at_Lean_Meta_setMVarUserNamesAt___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeft___closed__4;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__10(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___spec__1(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__44(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isLet(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_Meta_ForEachExpr_visit___spec__1(lean_object*, lean_object*);
@@ -934,6 +919,7 @@ static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__16;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_addLetDeps___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__14;
 lean_object* l_Lean_Meta_getFVarLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqLeftRight___closed__1;
 static lean_object* l_Lean_Meta_isDefEqStringLit___closed__2;
 static lean_object* _init_l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__1___closed__1() {
@@ -1849,6 +1835,58 @@ return x_9;
 static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__1() {
 _start:
 {
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Expr_instBEqExpr;
+x_2 = lean_alloc_closure((void*)(l_instBEqProd___rarg), 4, 2);
+lean_closure_set(x_2, 0, x_1);
+lean_closure_set(x_2, 1, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Expr_instHashableExpr;
+x_2 = lean_alloc_closure((void*)(l_instHashableProd___rarg___boxed), 3, 2);
+lean_closure_set(x_2, 0, x_1);
+lean_closure_set(x_2, 1, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4;
+x_2 = lean_unsigned_to_nat(0u);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6() {
+_start:
+{
 lean_object* x_1; 
 x_1 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___lambda__1___boxed), 6, 0);
 return x_1;
@@ -1857,20 +1895,50 @@ return x_1;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, uint8_t x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_30; lean_object* x_31; lean_object* x_70; lean_object* x_71; 
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
 x_16 = l_Lean_Meta_saveState___rarg(x_12, x_13, x_14, x_15);
 x_17 = lean_ctor_get(x_16, 0);
 lean_inc(x_17);
 x_18 = lean_ctor_get(x_16, 1);
 lean_inc(x_18);
 lean_dec(x_16);
-x_19 = l_Lean_Meta_getResetPostponed(x_11, x_12, x_13, x_14, x_18);
-x_20 = lean_ctor_get(x_19, 0);
+x_19 = lean_st_ref_get(x_14, x_18);
+x_20 = lean_ctor_get(x_19, 1);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_19, 1);
-lean_inc(x_21);
 lean_dec(x_19);
-x_70 = lean_unsigned_to_nat(1u);
+x_21 = lean_st_ref_take(x_12, x_20);
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_21, 1);
+lean_inc(x_24);
+lean_dec(x_21);
+x_25 = !lean_is_exclusive(x_22);
+if (x_25 == 0)
+{
+lean_object* x_26; uint8_t x_27; 
+x_26 = lean_ctor_get(x_22, 1);
+lean_dec(x_26);
+x_27 = !lean_is_exclusive(x_23);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_43; lean_object* x_44; lean_object* x_83; lean_object* x_84; 
+x_28 = lean_ctor_get(x_23, 5);
+lean_dec(x_28);
+x_29 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_23, 5, x_29);
+x_30 = lean_st_ref_set(x_12, x_22, x_24);
+x_31 = lean_ctor_get(x_30, 1);
+lean_inc(x_31);
+lean_dec(x_30);
+x_32 = l_Lean_Meta_getResetPostponed(x_11, x_12, x_13, x_14, x_31);
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_32, 1);
+lean_inc(x_34);
+lean_dec(x_32);
+x_83 = lean_unsigned_to_nat(1u);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -1878,261 +1946,872 @@ lean_inc(x_11);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_5);
-x_71 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_8, x_5, x_8, x_70, x_9, x_11, x_12, x_13, x_14, x_21);
+x_84 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_8, x_5, x_8, x_83, x_9, x_11, x_12, x_13, x_14, x_34);
 lean_dec(x_8);
 lean_dec(x_5);
-if (lean_obj_tag(x_71) == 0)
+if (lean_obj_tag(x_84) == 0)
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = lean_ctor_get(x_71, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-lean_dec(x_72);
-if (lean_obj_tag(x_73) == 0)
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_74 = lean_ctor_get(x_71, 1);
-lean_inc(x_74);
-lean_dec(x_71);
-x_75 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__1;
-x_76 = lean_box(0);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-x_77 = lean_apply_6(x_75, x_76, x_11, x_12, x_13, x_14, x_74);
-if (lean_obj_tag(x_77) == 0)
-{
-lean_object* x_78; lean_object* x_79; uint8_t x_80; 
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get(x_77, 1);
-lean_inc(x_79);
-lean_dec(x_77);
-x_80 = lean_unbox(x_78);
-lean_dec(x_78);
-x_30 = x_80;
-x_31 = x_79;
-goto block_69;
-}
-else
-{
-lean_object* x_81; lean_object* x_82; 
-lean_dec(x_20);
-x_81 = lean_ctor_get(x_77, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_77, 1);
-lean_inc(x_82);
-lean_dec(x_77);
-x_22 = x_81;
-x_23 = x_82;
-goto block_29;
-}
-}
-else
-{
-lean_object* x_83; lean_object* x_84; uint8_t x_85; 
-x_83 = lean_ctor_get(x_71, 1);
-lean_inc(x_83);
-lean_dec(x_71);
-x_84 = lean_ctor_get(x_73, 0);
-lean_inc(x_84);
-lean_dec(x_73);
-x_85 = lean_unbox(x_84);
-lean_dec(x_84);
-x_30 = x_85;
-x_31 = x_83;
-goto block_69;
-}
-}
-else
-{
-lean_object* x_86; lean_object* x_87; 
-lean_dec(x_20);
-x_86 = lean_ctor_get(x_71, 0);
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_85, 0);
 lean_inc(x_86);
-x_87 = lean_ctor_get(x_71, 1);
+lean_dec(x_85);
+if (lean_obj_tag(x_86) == 0)
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_87 = lean_ctor_get(x_84, 1);
 lean_inc(x_87);
-lean_dec(x_71);
-x_22 = x_86;
-x_23 = x_87;
-goto block_29;
-}
-block_29:
-{
-lean_object* x_24; uint8_t x_25; 
-x_24 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_23);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-x_25 = !lean_is_exclusive(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; 
-x_26 = lean_ctor_get(x_24, 0);
-lean_dec(x_26);
-lean_ctor_set_tag(x_24, 1);
-lean_ctor_set(x_24, 0, x_22);
-return x_24;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_24, 1);
-lean_inc(x_27);
-lean_dec(x_24);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_22);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-block_69:
-{
-if (x_30 == 0)
-{
-lean_object* x_32; uint8_t x_33; 
-lean_dec(x_20);
-x_32 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_31);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-x_33 = !lean_is_exclusive(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; uint8_t x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_32, 0);
-lean_dec(x_34);
-x_35 = 0;
-x_36 = lean_box(x_35);
-lean_ctor_set(x_32, 0, x_36);
-return x_32;
-}
-else
-{
-lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; 
-x_37 = lean_ctor_get(x_32, 1);
-lean_inc(x_37);
-lean_dec(x_32);
-x_38 = 0;
-x_39 = lean_box(x_38);
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_37);
-return x_40;
-}
-}
-else
-{
-uint8_t x_41; lean_object* x_42; 
-x_41 = 0;
+lean_dec(x_84);
+x_88 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6;
+x_89 = lean_box(0);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_42 = l_Lean_Meta_processPostponed(x_10, x_41, x_11, x_12, x_13, x_14, x_31);
-if (lean_obj_tag(x_42) == 0)
+x_90 = lean_apply_6(x_88, x_89, x_11, x_12, x_13, x_14, x_87);
+if (lean_obj_tag(x_90) == 0)
 {
-lean_object* x_43; uint8_t x_44; 
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_unbox(x_43);
-lean_dec(x_43);
-if (x_44 == 0)
+lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_43 = x_93;
+x_44 = x_92;
+goto block_82;
+}
+else
 {
-lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-lean_dec(x_20);
-x_45 = lean_ctor_get(x_42, 1);
-lean_inc(x_45);
-lean_dec(x_42);
-x_46 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_45);
+lean_object* x_94; lean_object* x_95; 
+lean_dec(x_33);
+x_94 = lean_ctor_get(x_90, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_90, 1);
+lean_inc(x_95);
+lean_dec(x_90);
+x_35 = x_94;
+x_36 = x_95;
+goto block_42;
+}
+}
+else
+{
+lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_96 = lean_ctor_get(x_84, 1);
+lean_inc(x_96);
+lean_dec(x_84);
+x_97 = lean_ctor_get(x_86, 0);
+lean_inc(x_97);
+lean_dec(x_86);
+x_98 = lean_unbox(x_97);
+lean_dec(x_97);
+x_43 = x_98;
+x_44 = x_96;
+goto block_82;
+}
+}
+else
+{
+lean_object* x_99; lean_object* x_100; 
+lean_dec(x_33);
+x_99 = lean_ctor_get(x_84, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_84, 1);
+lean_inc(x_100);
+lean_dec(x_84);
+x_35 = x_99;
+x_36 = x_100;
+goto block_42;
+}
+block_42:
+{
+lean_object* x_37; uint8_t x_38; 
+x_37 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_36);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-x_49 = lean_box(x_41);
-lean_ctor_set(x_46, 0, x_49);
-return x_46;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_46, 1);
-lean_inc(x_50);
-lean_dec(x_46);
-x_51 = lean_box(x_41);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
-}
-else
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
 lean_dec(x_17);
-x_53 = lean_ctor_get(x_42, 1);
-lean_inc(x_53);
-lean_dec(x_42);
-x_54 = l_Lean_Meta_getPostponed___rarg(x_12, x_13, x_14, x_53);
-x_55 = lean_ctor_get(x_54, 0);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_54, 1);
-lean_inc(x_56);
-lean_dec(x_54);
-x_57 = l_Std_PersistentArray_append___rarg(x_20, x_55);
-x_58 = l_Lean_Meta_setPostponed(x_57, x_11, x_12, x_13, x_14, x_56);
+x_38 = !lean_is_exclusive(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; 
+x_39 = lean_ctor_get(x_37, 0);
+lean_dec(x_39);
+lean_ctor_set_tag(x_37, 1);
+lean_ctor_set(x_37, 0, x_35);
+return x_37;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_37, 1);
+lean_inc(x_40);
+lean_dec(x_37);
+x_41 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_41, 0, x_35);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
+}
+}
+block_82:
+{
+if (x_43 == 0)
+{
+lean_object* x_45; uint8_t x_46; 
+lean_dec(x_33);
+x_45 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_44);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
-x_59 = !lean_is_exclusive(x_58);
-if (x_59 == 0)
+lean_dec(x_17);
+x_46 = !lean_is_exclusive(x_45);
+if (x_46 == 0)
 {
-lean_object* x_60; uint8_t x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_58, 0);
-lean_dec(x_60);
-x_61 = 1;
-x_62 = lean_box(x_61);
-lean_ctor_set(x_58, 0, x_62);
-return x_58;
+lean_object* x_47; uint8_t x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_45, 0);
+lean_dec(x_47);
+x_48 = 0;
+x_49 = lean_box(x_48);
+lean_ctor_set(x_45, 0, x_49);
+return x_45;
 }
 else
 {
-lean_object* x_63; uint8_t x_64; lean_object* x_65; lean_object* x_66; 
-x_63 = lean_ctor_get(x_58, 1);
+lean_object* x_50; uint8_t x_51; lean_object* x_52; lean_object* x_53; 
+x_50 = lean_ctor_get(x_45, 1);
+lean_inc(x_50);
+lean_dec(x_45);
+x_51 = 0;
+x_52 = lean_box(x_51);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_50);
+return x_53;
+}
+}
+else
+{
+uint8_t x_54; lean_object* x_55; 
+x_54 = 0;
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_55 = l_Lean_Meta_processPostponed(x_10, x_54, x_11, x_12, x_13, x_14, x_44);
+if (lean_obj_tag(x_55) == 0)
+{
+lean_object* x_56; uint8_t x_57; 
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_unbox(x_56);
+lean_dec(x_56);
+if (x_57 == 0)
+{
+lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+lean_dec(x_33);
+x_58 = lean_ctor_get(x_55, 1);
+lean_inc(x_58);
+lean_dec(x_55);
+x_59 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_58);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_60 = !lean_is_exclusive(x_59);
+if (x_60 == 0)
+{
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_59, 0);
+lean_dec(x_61);
+x_62 = lean_box(x_54);
+lean_ctor_set(x_59, 0, x_62);
+return x_59;
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_59, 1);
 lean_inc(x_63);
-lean_dec(x_58);
-x_64 = 1;
-x_65 = lean_box(x_64);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_63);
-return x_66;
+lean_dec(x_59);
+x_64 = lean_box(x_54);
+x_65 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_65, 0, x_64);
+lean_ctor_set(x_65, 1, x_63);
+return x_65;
+}
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_17);
+x_66 = lean_ctor_get(x_55, 1);
+lean_inc(x_66);
+lean_dec(x_55);
+x_67 = l_Lean_Meta_getPostponed___rarg(x_12, x_13, x_14, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = l_Std_PersistentArray_append___rarg(x_33, x_68);
+x_71 = l_Lean_Meta_setPostponed(x_70, x_11, x_12, x_13, x_14, x_69);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_72 = !lean_is_exclusive(x_71);
+if (x_72 == 0)
+{
+lean_object* x_73; uint8_t x_74; lean_object* x_75; 
+x_73 = lean_ctor_get(x_71, 0);
+lean_dec(x_73);
+x_74 = 1;
+x_75 = lean_box(x_74);
+lean_ctor_set(x_71, 0, x_75);
+return x_71;
+}
+else
+{
+lean_object* x_76; uint8_t x_77; lean_object* x_78; lean_object* x_79; 
+x_76 = lean_ctor_get(x_71, 1);
+lean_inc(x_76);
+lean_dec(x_71);
+x_77 = 1;
+x_78 = lean_box(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_76);
+return x_79;
 }
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; 
-lean_dec(x_20);
-x_67 = lean_ctor_get(x_42, 0);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_42, 1);
-lean_inc(x_68);
-lean_dec(x_42);
-x_22 = x_67;
-x_23 = x_68;
-goto block_29;
+lean_object* x_80; lean_object* x_81; 
+lean_dec(x_33);
+x_80 = lean_ctor_get(x_55, 0);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_55, 1);
+lean_inc(x_81);
+lean_dec(x_55);
+x_35 = x_80;
+x_36 = x_81;
+goto block_42;
+}
+}
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_120; lean_object* x_121; lean_object* x_152; lean_object* x_153; 
+x_101 = lean_ctor_get(x_23, 0);
+x_102 = lean_ctor_get(x_23, 1);
+x_103 = lean_ctor_get(x_23, 2);
+x_104 = lean_ctor_get(x_23, 3);
+x_105 = lean_ctor_get(x_23, 4);
+lean_inc(x_105);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_inc(x_102);
+lean_inc(x_101);
+lean_dec(x_23);
+x_106 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_107 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_107, 0, x_101);
+lean_ctor_set(x_107, 1, x_102);
+lean_ctor_set(x_107, 2, x_103);
+lean_ctor_set(x_107, 3, x_104);
+lean_ctor_set(x_107, 4, x_105);
+lean_ctor_set(x_107, 5, x_106);
+lean_ctor_set(x_22, 1, x_107);
+x_108 = lean_st_ref_set(x_12, x_22, x_24);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+lean_dec(x_108);
+x_110 = l_Lean_Meta_getResetPostponed(x_11, x_12, x_13, x_14, x_109);
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_110, 1);
+lean_inc(x_112);
+lean_dec(x_110);
+x_152 = lean_unsigned_to_nat(1u);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_5);
+x_153 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_8, x_5, x_8, x_152, x_9, x_11, x_12, x_13, x_14, x_112);
+lean_dec(x_8);
+lean_dec(x_5);
+if (lean_obj_tag(x_153) == 0)
+{
+lean_object* x_154; lean_object* x_155; 
+x_154 = lean_ctor_get(x_153, 0);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_154, 0);
+lean_inc(x_155);
+lean_dec(x_154);
+if (lean_obj_tag(x_155) == 0)
+{
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_156 = lean_ctor_get(x_153, 1);
+lean_inc(x_156);
+lean_dec(x_153);
+x_157 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6;
+x_158 = lean_box(0);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_159 = lean_apply_6(x_157, x_158, x_11, x_12, x_13, x_14, x_156);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; lean_object* x_161; uint8_t x_162; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_159, 1);
+lean_inc(x_161);
+lean_dec(x_159);
+x_162 = lean_unbox(x_160);
+lean_dec(x_160);
+x_120 = x_162;
+x_121 = x_161;
+goto block_151;
+}
+else
+{
+lean_object* x_163; lean_object* x_164; 
+lean_dec(x_111);
+x_163 = lean_ctor_get(x_159, 0);
+lean_inc(x_163);
+x_164 = lean_ctor_get(x_159, 1);
+lean_inc(x_164);
+lean_dec(x_159);
+x_113 = x_163;
+x_114 = x_164;
+goto block_119;
+}
+}
+else
+{
+lean_object* x_165; lean_object* x_166; uint8_t x_167; 
+x_165 = lean_ctor_get(x_153, 1);
+lean_inc(x_165);
+lean_dec(x_153);
+x_166 = lean_ctor_get(x_155, 0);
+lean_inc(x_166);
+lean_dec(x_155);
+x_167 = lean_unbox(x_166);
+lean_dec(x_166);
+x_120 = x_167;
+x_121 = x_165;
+goto block_151;
+}
+}
+else
+{
+lean_object* x_168; lean_object* x_169; 
+lean_dec(x_111);
+x_168 = lean_ctor_get(x_153, 0);
+lean_inc(x_168);
+x_169 = lean_ctor_get(x_153, 1);
+lean_inc(x_169);
+lean_dec(x_153);
+x_113 = x_168;
+x_114 = x_169;
+goto block_119;
+}
+block_119:
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_115 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_114);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+if (lean_is_scalar(x_117)) {
+ x_118 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_118 = x_117;
+ lean_ctor_set_tag(x_118, 1);
+}
+lean_ctor_set(x_118, 0, x_113);
+lean_ctor_set(x_118, 1, x_116);
+return x_118;
+}
+block_151:
+{
+if (x_120 == 0)
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; lean_object* x_126; lean_object* x_127; 
+lean_dec(x_111);
+x_122 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_121);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_123 = lean_ctor_get(x_122, 1);
+lean_inc(x_123);
+if (lean_is_exclusive(x_122)) {
+ lean_ctor_release(x_122, 0);
+ lean_ctor_release(x_122, 1);
+ x_124 = x_122;
+} else {
+ lean_dec_ref(x_122);
+ x_124 = lean_box(0);
+}
+x_125 = 0;
+x_126 = lean_box(x_125);
+if (lean_is_scalar(x_124)) {
+ x_127 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_127 = x_124;
+}
+lean_ctor_set(x_127, 0, x_126);
+lean_ctor_set(x_127, 1, x_123);
+return x_127;
+}
+else
+{
+uint8_t x_128; lean_object* x_129; 
+x_128 = 0;
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_129 = l_Lean_Meta_processPostponed(x_10, x_128, x_11, x_12, x_13, x_14, x_121);
+if (lean_obj_tag(x_129) == 0)
+{
+lean_object* x_130; uint8_t x_131; 
+x_130 = lean_ctor_get(x_129, 0);
+lean_inc(x_130);
+x_131 = lean_unbox(x_130);
+lean_dec(x_130);
+if (x_131 == 0)
+{
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+lean_dec(x_111);
+x_132 = lean_ctor_get(x_129, 1);
+lean_inc(x_132);
+lean_dec(x_129);
+x_133 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_132);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_134 = lean_ctor_get(x_133, 1);
+lean_inc(x_134);
+if (lean_is_exclusive(x_133)) {
+ lean_ctor_release(x_133, 0);
+ lean_ctor_release(x_133, 1);
+ x_135 = x_133;
+} else {
+ lean_dec_ref(x_133);
+ x_135 = lean_box(0);
+}
+x_136 = lean_box(x_128);
+if (lean_is_scalar(x_135)) {
+ x_137 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_137 = x_135;
+}
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_134);
+return x_137;
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; lean_object* x_148; 
+lean_dec(x_17);
+x_138 = lean_ctor_get(x_129, 1);
+lean_inc(x_138);
+lean_dec(x_129);
+x_139 = l_Lean_Meta_getPostponed___rarg(x_12, x_13, x_14, x_138);
+x_140 = lean_ctor_get(x_139, 0);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_139, 1);
+lean_inc(x_141);
+lean_dec(x_139);
+x_142 = l_Std_PersistentArray_append___rarg(x_111, x_140);
+x_143 = l_Lean_Meta_setPostponed(x_142, x_11, x_12, x_13, x_14, x_141);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_144 = lean_ctor_get(x_143, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_143)) {
+ lean_ctor_release(x_143, 0);
+ lean_ctor_release(x_143, 1);
+ x_145 = x_143;
+} else {
+ lean_dec_ref(x_143);
+ x_145 = lean_box(0);
+}
+x_146 = 1;
+x_147 = lean_box(x_146);
+if (lean_is_scalar(x_145)) {
+ x_148 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_148 = x_145;
+}
+lean_ctor_set(x_148, 0, x_147);
+lean_ctor_set(x_148, 1, x_144);
+return x_148;
+}
+}
+else
+{
+lean_object* x_149; lean_object* x_150; 
+lean_dec(x_111);
+x_149 = lean_ctor_get(x_129, 0);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_129, 1);
+lean_inc(x_150);
+lean_dec(x_129);
+x_113 = x_149;
+x_114 = x_150;
+goto block_119;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; uint8_t x_194; lean_object* x_195; lean_object* x_226; lean_object* x_227; 
+x_170 = lean_ctor_get(x_22, 0);
+x_171 = lean_ctor_get(x_22, 2);
+x_172 = lean_ctor_get(x_22, 3);
+lean_inc(x_172);
+lean_inc(x_171);
+lean_inc(x_170);
+lean_dec(x_22);
+x_173 = lean_ctor_get(x_23, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_23, 1);
+lean_inc(x_174);
+x_175 = lean_ctor_get(x_23, 2);
+lean_inc(x_175);
+x_176 = lean_ctor_get(x_23, 3);
+lean_inc(x_176);
+x_177 = lean_ctor_get(x_23, 4);
+lean_inc(x_177);
+if (lean_is_exclusive(x_23)) {
+ lean_ctor_release(x_23, 0);
+ lean_ctor_release(x_23, 1);
+ lean_ctor_release(x_23, 2);
+ lean_ctor_release(x_23, 3);
+ lean_ctor_release(x_23, 4);
+ lean_ctor_release(x_23, 5);
+ x_178 = x_23;
+} else {
+ lean_dec_ref(x_23);
+ x_178 = lean_box(0);
+}
+x_179 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_178)) {
+ x_180 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_180 = x_178;
+}
+lean_ctor_set(x_180, 0, x_173);
+lean_ctor_set(x_180, 1, x_174);
+lean_ctor_set(x_180, 2, x_175);
+lean_ctor_set(x_180, 3, x_176);
+lean_ctor_set(x_180, 4, x_177);
+lean_ctor_set(x_180, 5, x_179);
+x_181 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_181, 0, x_170);
+lean_ctor_set(x_181, 1, x_180);
+lean_ctor_set(x_181, 2, x_171);
+lean_ctor_set(x_181, 3, x_172);
+x_182 = lean_st_ref_set(x_12, x_181, x_24);
+x_183 = lean_ctor_get(x_182, 1);
+lean_inc(x_183);
+lean_dec(x_182);
+x_184 = l_Lean_Meta_getResetPostponed(x_11, x_12, x_13, x_14, x_183);
+x_185 = lean_ctor_get(x_184, 0);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_184, 1);
+lean_inc(x_186);
+lean_dec(x_184);
+x_226 = lean_unsigned_to_nat(1u);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_5);
+x_227 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_8, x_5, x_8, x_226, x_9, x_11, x_12, x_13, x_14, x_186);
+lean_dec(x_8);
+lean_dec(x_5);
+if (lean_obj_tag(x_227) == 0)
+{
+lean_object* x_228; lean_object* x_229; 
+x_228 = lean_ctor_get(x_227, 0);
+lean_inc(x_228);
+x_229 = lean_ctor_get(x_228, 0);
+lean_inc(x_229);
+lean_dec(x_228);
+if (lean_obj_tag(x_229) == 0)
+{
+lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; 
+x_230 = lean_ctor_get(x_227, 1);
+lean_inc(x_230);
+lean_dec(x_227);
+x_231 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6;
+x_232 = lean_box(0);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_233 = lean_apply_6(x_231, x_232, x_11, x_12, x_13, x_14, x_230);
+if (lean_obj_tag(x_233) == 0)
+{
+lean_object* x_234; lean_object* x_235; uint8_t x_236; 
+x_234 = lean_ctor_get(x_233, 0);
+lean_inc(x_234);
+x_235 = lean_ctor_get(x_233, 1);
+lean_inc(x_235);
+lean_dec(x_233);
+x_236 = lean_unbox(x_234);
+lean_dec(x_234);
+x_194 = x_236;
+x_195 = x_235;
+goto block_225;
+}
+else
+{
+lean_object* x_237; lean_object* x_238; 
+lean_dec(x_185);
+x_237 = lean_ctor_get(x_233, 0);
+lean_inc(x_237);
+x_238 = lean_ctor_get(x_233, 1);
+lean_inc(x_238);
+lean_dec(x_233);
+x_187 = x_237;
+x_188 = x_238;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_239; lean_object* x_240; uint8_t x_241; 
+x_239 = lean_ctor_get(x_227, 1);
+lean_inc(x_239);
+lean_dec(x_227);
+x_240 = lean_ctor_get(x_229, 0);
+lean_inc(x_240);
+lean_dec(x_229);
+x_241 = lean_unbox(x_240);
+lean_dec(x_240);
+x_194 = x_241;
+x_195 = x_239;
+goto block_225;
+}
+}
+else
+{
+lean_object* x_242; lean_object* x_243; 
+lean_dec(x_185);
+x_242 = lean_ctor_get(x_227, 0);
+lean_inc(x_242);
+x_243 = lean_ctor_get(x_227, 1);
+lean_inc(x_243);
+lean_dec(x_227);
+x_187 = x_242;
+x_188 = x_243;
+goto block_193;
+}
+block_193:
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+x_189 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_188);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_190 = lean_ctor_get(x_189, 1);
+lean_inc(x_190);
+if (lean_is_exclusive(x_189)) {
+ lean_ctor_release(x_189, 0);
+ lean_ctor_release(x_189, 1);
+ x_191 = x_189;
+} else {
+ lean_dec_ref(x_189);
+ x_191 = lean_box(0);
+}
+if (lean_is_scalar(x_191)) {
+ x_192 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_192 = x_191;
+ lean_ctor_set_tag(x_192, 1);
+}
+lean_ctor_set(x_192, 0, x_187);
+lean_ctor_set(x_192, 1, x_190);
+return x_192;
+}
+block_225:
+{
+if (x_194 == 0)
+{
+lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; lean_object* x_200; lean_object* x_201; 
+lean_dec(x_185);
+x_196 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_195);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_197 = lean_ctor_get(x_196, 1);
+lean_inc(x_197);
+if (lean_is_exclusive(x_196)) {
+ lean_ctor_release(x_196, 0);
+ lean_ctor_release(x_196, 1);
+ x_198 = x_196;
+} else {
+ lean_dec_ref(x_196);
+ x_198 = lean_box(0);
+}
+x_199 = 0;
+x_200 = lean_box(x_199);
+if (lean_is_scalar(x_198)) {
+ x_201 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_201 = x_198;
+}
+lean_ctor_set(x_201, 0, x_200);
+lean_ctor_set(x_201, 1, x_197);
+return x_201;
+}
+else
+{
+uint8_t x_202; lean_object* x_203; 
+x_202 = 0;
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+x_203 = l_Lean_Meta_processPostponed(x_10, x_202, x_11, x_12, x_13, x_14, x_195);
+if (lean_obj_tag(x_203) == 0)
+{
+lean_object* x_204; uint8_t x_205; 
+x_204 = lean_ctor_get(x_203, 0);
+lean_inc(x_204);
+x_205 = lean_unbox(x_204);
+lean_dec(x_204);
+if (x_205 == 0)
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; 
+lean_dec(x_185);
+x_206 = lean_ctor_get(x_203, 1);
+lean_inc(x_206);
+lean_dec(x_203);
+x_207 = l_Lean_Meta_SavedState_restore(x_17, x_11, x_12, x_13, x_14, x_206);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_17);
+x_208 = lean_ctor_get(x_207, 1);
+lean_inc(x_208);
+if (lean_is_exclusive(x_207)) {
+ lean_ctor_release(x_207, 0);
+ lean_ctor_release(x_207, 1);
+ x_209 = x_207;
+} else {
+ lean_dec_ref(x_207);
+ x_209 = lean_box(0);
+}
+x_210 = lean_box(x_202);
+if (lean_is_scalar(x_209)) {
+ x_211 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_211 = x_209;
+}
+lean_ctor_set(x_211, 0, x_210);
+lean_ctor_set(x_211, 1, x_208);
+return x_211;
+}
+else
+{
+lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; uint8_t x_220; lean_object* x_221; lean_object* x_222; 
+lean_dec(x_17);
+x_212 = lean_ctor_get(x_203, 1);
+lean_inc(x_212);
+lean_dec(x_203);
+x_213 = l_Lean_Meta_getPostponed___rarg(x_12, x_13, x_14, x_212);
+x_214 = lean_ctor_get(x_213, 0);
+lean_inc(x_214);
+x_215 = lean_ctor_get(x_213, 1);
+lean_inc(x_215);
+lean_dec(x_213);
+x_216 = l_Std_PersistentArray_append___rarg(x_185, x_214);
+x_217 = l_Lean_Meta_setPostponed(x_216, x_11, x_12, x_13, x_14, x_215);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+x_218 = lean_ctor_get(x_217, 1);
+lean_inc(x_218);
+if (lean_is_exclusive(x_217)) {
+ lean_ctor_release(x_217, 0);
+ lean_ctor_release(x_217, 1);
+ x_219 = x_217;
+} else {
+ lean_dec_ref(x_217);
+ x_219 = lean_box(0);
+}
+x_220 = 1;
+x_221 = lean_box(x_220);
+if (lean_is_scalar(x_219)) {
+ x_222 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_222 = x_219;
+}
+lean_ctor_set(x_222, 0, x_221);
+lean_ctor_set(x_222, 1, x_218);
+return x_222;
+}
+}
+else
+{
+lean_object* x_223; lean_object* x_224; 
+lean_dec(x_185);
+x_223 = lean_ctor_get(x_203, 0);
+lean_inc(x_223);
+x_224 = lean_ctor_get(x_203, 1);
+lean_inc(x_224);
+lean_dec(x_203);
+x_187 = x_223;
+x_188 = x_224;
+goto block_193;
+}
 }
 }
 }
@@ -3163,7 +3842,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEta___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_29; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
 x_12 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEta___spec__1___closed__1;
 x_13 = l_Lean_Expr_app___override(x_2, x_12);
 x_14 = l_Lean_Expr_lam___override(x_3, x_4, x_13, x_5);
@@ -3173,216 +3852,737 @@ lean_inc(x_16);
 x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
 lean_dec(x_15);
-x_18 = l_Lean_Meta_getResetPostponed(x_7, x_8, x_9, x_10, x_17);
-x_19 = lean_ctor_get(x_18, 0);
+x_18 = lean_st_ref_get(x_10, x_17);
+x_19 = lean_ctor_get(x_18, 1);
 lean_inc(x_19);
-x_20 = lean_ctor_get(x_18, 1);
-lean_inc(x_20);
 lean_dec(x_18);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-x_29 = lean_is_expr_def_eq(x_1, x_14, x_7, x_8, x_9, x_10, x_20);
-if (lean_obj_tag(x_29) == 0)
+x_20 = lean_st_ref_take(x_8, x_19);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_20, 1);
+lean_inc(x_23);
+lean_dec(x_20);
+x_24 = !lean_is_exclusive(x_21);
+if (x_24 == 0)
 {
-lean_object* x_30; uint8_t x_31; 
-x_30 = lean_ctor_get(x_29, 0);
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_21, 1);
+lean_dec(x_25);
+x_26 = !lean_is_exclusive(x_22);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_42; 
+x_27 = lean_ctor_get(x_22, 5);
+lean_dec(x_27);
+x_28 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_22, 5, x_28);
+x_29 = lean_st_ref_set(x_8, x_21, x_23);
+x_30 = lean_ctor_get(x_29, 1);
 lean_inc(x_30);
-x_31 = lean_unbox(x_30);
-lean_dec(x_30);
-if (x_31 == 0)
-{
-lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-lean_dec(x_19);
-x_32 = lean_ctor_get(x_29, 1);
+lean_dec(x_29);
+x_31 = l_Lean_Meta_getResetPostponed(x_7, x_8, x_9, x_10, x_30);
+x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
-lean_dec(x_29);
-x_33 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_32);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_34 = !lean_is_exclusive(x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; uint8_t x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_33, 0);
-lean_dec(x_35);
-x_36 = 0;
-x_37 = lean_box(x_36);
-lean_ctor_set(x_33, 0, x_37);
-return x_33;
-}
-else
-{
-lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; 
-x_38 = lean_ctor_get(x_33, 1);
-lean_inc(x_38);
-lean_dec(x_33);
-x_39 = 0;
-x_40 = lean_box(x_39);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_38);
-return x_41;
-}
-}
-else
-{
-lean_object* x_42; uint8_t x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_29, 1);
-lean_inc(x_42);
-lean_dec(x_29);
-x_43 = 0;
+x_33 = lean_ctor_get(x_31, 1);
+lean_inc(x_33);
+lean_dec(x_31);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_44 = l_Lean_Meta_processPostponed(x_6, x_43, x_7, x_8, x_9, x_10, x_42);
-if (lean_obj_tag(x_44) == 0)
+x_42 = lean_is_expr_def_eq(x_1, x_14, x_7, x_8, x_9, x_10, x_33);
+if (lean_obj_tag(x_42) == 0)
 {
-lean_object* x_45; uint8_t x_46; 
-x_45 = lean_ctor_get(x_44, 0);
+lean_object* x_43; uint8_t x_44; 
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_unbox(x_43);
+lean_dec(x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+lean_dec(x_32);
+x_45 = lean_ctor_get(x_42, 1);
 lean_inc(x_45);
-x_46 = lean_unbox(x_45);
-lean_dec(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-lean_dec(x_19);
-x_47 = lean_ctor_get(x_44, 1);
-lean_inc(x_47);
-lean_dec(x_44);
-x_48 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_47);
+lean_dec(x_42);
+x_46 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_45);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-x_49 = !lean_is_exclusive(x_48);
-if (x_49 == 0)
+lean_dec(x_16);
+x_47 = !lean_is_exclusive(x_46);
+if (x_47 == 0)
 {
-lean_object* x_50; lean_object* x_51; 
-x_50 = lean_ctor_get(x_48, 0);
-lean_dec(x_50);
-x_51 = lean_box(x_43);
-lean_ctor_set(x_48, 0, x_51);
-return x_48;
+lean_object* x_48; uint8_t x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_46, 0);
+lean_dec(x_48);
+x_49 = 0;
+x_50 = lean_box(x_49);
+lean_ctor_set(x_46, 0, x_50);
+return x_46;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_48, 1);
-lean_inc(x_52);
-lean_dec(x_48);
-x_53 = lean_box(x_43);
+lean_object* x_51; uint8_t x_52; lean_object* x_53; lean_object* x_54; 
+x_51 = lean_ctor_get(x_46, 1);
+lean_inc(x_51);
+lean_dec(x_46);
+x_52 = 0;
+x_53 = lean_box(x_52);
 x_54 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_54, 0, x_53);
-lean_ctor_set(x_54, 1, x_52);
+lean_ctor_set(x_54, 1, x_51);
 return x_54;
 }
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-lean_dec(x_16);
-x_55 = lean_ctor_get(x_44, 1);
+lean_object* x_55; uint8_t x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_42, 1);
 lean_inc(x_55);
-lean_dec(x_44);
-x_56 = l_Lean_Meta_getPostponed___rarg(x_8, x_9, x_10, x_55);
-x_57 = lean_ctor_get(x_56, 0);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_56, 1);
+lean_dec(x_42);
+x_56 = 0;
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_57 = l_Lean_Meta_processPostponed(x_6, x_56, x_7, x_8, x_9, x_10, x_55);
+if (lean_obj_tag(x_57) == 0)
+{
+lean_object* x_58; uint8_t x_59; 
+x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
-lean_dec(x_56);
-x_59 = l_Std_PersistentArray_append___rarg(x_19, x_57);
-x_60 = l_Lean_Meta_setPostponed(x_59, x_7, x_8, x_9, x_10, x_58);
+x_59 = lean_unbox(x_58);
+lean_dec(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+lean_dec(x_32);
+x_60 = lean_ctor_get(x_57, 1);
+lean_inc(x_60);
+lean_dec(x_57);
+x_61 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_60);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-x_61 = !lean_is_exclusive(x_60);
-if (x_61 == 0)
+lean_dec(x_16);
+x_62 = !lean_is_exclusive(x_61);
+if (x_62 == 0)
 {
-lean_object* x_62; uint8_t x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_60, 0);
-lean_dec(x_62);
-x_63 = 1;
-x_64 = lean_box(x_63);
-lean_ctor_set(x_60, 0, x_64);
-return x_60;
+lean_object* x_63; lean_object* x_64; 
+x_63 = lean_ctor_get(x_61, 0);
+lean_dec(x_63);
+x_64 = lean_box(x_56);
+lean_ctor_set(x_61, 0, x_64);
+return x_61;
 }
 else
 {
-lean_object* x_65; uint8_t x_66; lean_object* x_67; lean_object* x_68; 
-x_65 = lean_ctor_get(x_60, 1);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_61, 1);
 lean_inc(x_65);
-lean_dec(x_60);
-x_66 = 1;
-x_67 = lean_box(x_66);
-x_68 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_65);
-return x_68;
-}
+lean_dec(x_61);
+x_66 = lean_box(x_56);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
 }
 else
 {
-lean_object* x_69; lean_object* x_70; 
-lean_dec(x_19);
-x_69 = lean_ctor_get(x_44, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_44, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
+lean_dec(x_16);
+x_68 = lean_ctor_get(x_57, 1);
+lean_inc(x_68);
+lean_dec(x_57);
+x_69 = l_Lean_Meta_getPostponed___rarg(x_8, x_9, x_10, x_68);
+x_70 = lean_ctor_get(x_69, 0);
 lean_inc(x_70);
-lean_dec(x_44);
-x_21 = x_69;
-x_22 = x_70;
-goto block_28;
-}
-}
-}
-else
-{
-lean_object* x_71; lean_object* x_72; 
-lean_dec(x_19);
-x_71 = lean_ctor_get(x_29, 0);
+x_71 = lean_ctor_get(x_69, 1);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_29, 1);
-lean_inc(x_72);
-lean_dec(x_29);
-x_21 = x_71;
-x_22 = x_72;
-goto block_28;
-}
-block_28:
-{
-lean_object* x_23; uint8_t x_24; 
-x_23 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_22);
+lean_dec(x_69);
+x_72 = l_Std_PersistentArray_append___rarg(x_32, x_70);
+x_73 = l_Lean_Meta_setPostponed(x_72, x_7, x_8, x_9, x_10, x_71);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-x_24 = !lean_is_exclusive(x_23);
-if (x_24 == 0)
+x_74 = !lean_is_exclusive(x_73);
+if (x_74 == 0)
 {
-lean_object* x_25; 
-x_25 = lean_ctor_get(x_23, 0);
-lean_dec(x_25);
-lean_ctor_set_tag(x_23, 1);
-lean_ctor_set(x_23, 0, x_21);
-return x_23;
+lean_object* x_75; uint8_t x_76; lean_object* x_77; 
+x_75 = lean_ctor_get(x_73, 0);
+lean_dec(x_75);
+x_76 = 1;
+x_77 = lean_box(x_76);
+lean_ctor_set(x_73, 0, x_77);
+return x_73;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_27 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_27, 0, x_21);
-lean_ctor_set(x_27, 1, x_26);
-return x_27;
+lean_object* x_78; uint8_t x_79; lean_object* x_80; lean_object* x_81; 
+x_78 = lean_ctor_get(x_73, 1);
+lean_inc(x_78);
+lean_dec(x_73);
+x_79 = 1;
+x_80 = lean_box(x_79);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_80);
+lean_ctor_set(x_81, 1, x_78);
+return x_81;
+}
+}
+}
+else
+{
+lean_object* x_82; lean_object* x_83; 
+lean_dec(x_32);
+x_82 = lean_ctor_get(x_57, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_57, 1);
+lean_inc(x_83);
+lean_dec(x_57);
+x_34 = x_82;
+x_35 = x_83;
+goto block_41;
+}
+}
+}
+else
+{
+lean_object* x_84; lean_object* x_85; 
+lean_dec(x_32);
+x_84 = lean_ctor_get(x_42, 0);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_42, 1);
+lean_inc(x_85);
+lean_dec(x_42);
+x_34 = x_84;
+x_35 = x_85;
+goto block_41;
+}
+block_41:
+{
+lean_object* x_36; uint8_t x_37; 
+x_36 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_35);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_37 = !lean_is_exclusive(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; 
+x_38 = lean_ctor_get(x_36, 0);
+lean_dec(x_38);
+lean_ctor_set_tag(x_36, 1);
+lean_ctor_set(x_36, 0, x_34);
+return x_36;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; 
+x_39 = lean_ctor_get(x_36, 1);
+lean_inc(x_39);
+lean_dec(x_36);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_34);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_105; 
+x_86 = lean_ctor_get(x_22, 0);
+x_87 = lean_ctor_get(x_22, 1);
+x_88 = lean_ctor_get(x_22, 2);
+x_89 = lean_ctor_get(x_22, 3);
+x_90 = lean_ctor_get(x_22, 4);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_22);
+x_91 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_92 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_92, 0, x_86);
+lean_ctor_set(x_92, 1, x_87);
+lean_ctor_set(x_92, 2, x_88);
+lean_ctor_set(x_92, 3, x_89);
+lean_ctor_set(x_92, 4, x_90);
+lean_ctor_set(x_92, 5, x_91);
+lean_ctor_set(x_21, 1, x_92);
+x_93 = lean_st_ref_set(x_8, x_21, x_23);
+x_94 = lean_ctor_get(x_93, 1);
+lean_inc(x_94);
+lean_dec(x_93);
+x_95 = l_Lean_Meta_getResetPostponed(x_7, x_8, x_9, x_10, x_94);
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_105 = lean_is_expr_def_eq(x_1, x_14, x_7, x_8, x_9, x_10, x_97);
+if (lean_obj_tag(x_105) == 0)
+{
+lean_object* x_106; uint8_t x_107; 
+x_106 = lean_ctor_get(x_105, 0);
+lean_inc(x_106);
+x_107 = lean_unbox(x_106);
+lean_dec(x_106);
+if (x_107 == 0)
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; lean_object* x_113; lean_object* x_114; 
+lean_dec(x_96);
+x_108 = lean_ctor_get(x_105, 1);
+lean_inc(x_108);
+lean_dec(x_105);
+x_109 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_108);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_110 = lean_ctor_get(x_109, 1);
+lean_inc(x_110);
+if (lean_is_exclusive(x_109)) {
+ lean_ctor_release(x_109, 0);
+ lean_ctor_release(x_109, 1);
+ x_111 = x_109;
+} else {
+ lean_dec_ref(x_109);
+ x_111 = lean_box(0);
+}
+x_112 = 0;
+x_113 = lean_box(x_112);
+if (lean_is_scalar(x_111)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_111;
+}
+lean_ctor_set(x_114, 0, x_113);
+lean_ctor_set(x_114, 1, x_110);
+return x_114;
+}
+else
+{
+lean_object* x_115; uint8_t x_116; lean_object* x_117; 
+x_115 = lean_ctor_get(x_105, 1);
+lean_inc(x_115);
+lean_dec(x_105);
+x_116 = 0;
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_117 = l_Lean_Meta_processPostponed(x_6, x_116, x_7, x_8, x_9, x_10, x_115);
+if (lean_obj_tag(x_117) == 0)
+{
+lean_object* x_118; uint8_t x_119; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_unbox(x_118);
+lean_dec(x_118);
+if (x_119 == 0)
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+lean_dec(x_96);
+x_120 = lean_ctor_get(x_117, 1);
+lean_inc(x_120);
+lean_dec(x_117);
+x_121 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_120);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_122 = lean_ctor_get(x_121, 1);
+lean_inc(x_122);
+if (lean_is_exclusive(x_121)) {
+ lean_ctor_release(x_121, 0);
+ lean_ctor_release(x_121, 1);
+ x_123 = x_121;
+} else {
+ lean_dec_ref(x_121);
+ x_123 = lean_box(0);
+}
+x_124 = lean_box(x_116);
+if (lean_is_scalar(x_123)) {
+ x_125 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_125 = x_123;
+}
+lean_ctor_set(x_125, 0, x_124);
+lean_ctor_set(x_125, 1, x_122);
+return x_125;
+}
+else
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; uint8_t x_134; lean_object* x_135; lean_object* x_136; 
+lean_dec(x_16);
+x_126 = lean_ctor_get(x_117, 1);
+lean_inc(x_126);
+lean_dec(x_117);
+x_127 = l_Lean_Meta_getPostponed___rarg(x_8, x_9, x_10, x_126);
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
+x_130 = l_Std_PersistentArray_append___rarg(x_96, x_128);
+x_131 = l_Lean_Meta_setPostponed(x_130, x_7, x_8, x_9, x_10, x_129);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_132 = lean_ctor_get(x_131, 1);
+lean_inc(x_132);
+if (lean_is_exclusive(x_131)) {
+ lean_ctor_release(x_131, 0);
+ lean_ctor_release(x_131, 1);
+ x_133 = x_131;
+} else {
+ lean_dec_ref(x_131);
+ x_133 = lean_box(0);
+}
+x_134 = 1;
+x_135 = lean_box(x_134);
+if (lean_is_scalar(x_133)) {
+ x_136 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_136 = x_133;
+}
+lean_ctor_set(x_136, 0, x_135);
+lean_ctor_set(x_136, 1, x_132);
+return x_136;
+}
+}
+else
+{
+lean_object* x_137; lean_object* x_138; 
+lean_dec(x_96);
+x_137 = lean_ctor_get(x_117, 0);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_117, 1);
+lean_inc(x_138);
+lean_dec(x_117);
+x_98 = x_137;
+x_99 = x_138;
+goto block_104;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; 
+lean_dec(x_96);
+x_139 = lean_ctor_get(x_105, 0);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_105, 1);
+lean_inc(x_140);
+lean_dec(x_105);
+x_98 = x_139;
+x_99 = x_140;
+goto block_104;
+}
+block_104:
+{
+lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+x_100 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_99);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_101 = lean_ctor_get(x_100, 1);
+lean_inc(x_101);
+if (lean_is_exclusive(x_100)) {
+ lean_ctor_release(x_100, 0);
+ lean_ctor_release(x_100, 1);
+ x_102 = x_100;
+} else {
+ lean_dec_ref(x_100);
+ x_102 = lean_box(0);
+}
+if (lean_is_scalar(x_102)) {
+ x_103 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_103 = x_102;
+ lean_ctor_set_tag(x_103, 1);
+}
+lean_ctor_set(x_103, 0, x_98);
+lean_ctor_set(x_103, 1, x_101);
+return x_103;
+}
+}
+}
+else
+{
+lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_165; 
+x_141 = lean_ctor_get(x_21, 0);
+x_142 = lean_ctor_get(x_21, 2);
+x_143 = lean_ctor_get(x_21, 3);
+lean_inc(x_143);
+lean_inc(x_142);
+lean_inc(x_141);
+lean_dec(x_21);
+x_144 = lean_ctor_get(x_22, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_22, 1);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_22, 2);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_22, 3);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_22, 4);
+lean_inc(x_148);
+if (lean_is_exclusive(x_22)) {
+ lean_ctor_release(x_22, 0);
+ lean_ctor_release(x_22, 1);
+ lean_ctor_release(x_22, 2);
+ lean_ctor_release(x_22, 3);
+ lean_ctor_release(x_22, 4);
+ lean_ctor_release(x_22, 5);
+ x_149 = x_22;
+} else {
+ lean_dec_ref(x_22);
+ x_149 = lean_box(0);
+}
+x_150 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_149)) {
+ x_151 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_151 = x_149;
+}
+lean_ctor_set(x_151, 0, x_144);
+lean_ctor_set(x_151, 1, x_145);
+lean_ctor_set(x_151, 2, x_146);
+lean_ctor_set(x_151, 3, x_147);
+lean_ctor_set(x_151, 4, x_148);
+lean_ctor_set(x_151, 5, x_150);
+x_152 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_152, 0, x_141);
+lean_ctor_set(x_152, 1, x_151);
+lean_ctor_set(x_152, 2, x_142);
+lean_ctor_set(x_152, 3, x_143);
+x_153 = lean_st_ref_set(x_8, x_152, x_23);
+x_154 = lean_ctor_get(x_153, 1);
+lean_inc(x_154);
+lean_dec(x_153);
+x_155 = l_Lean_Meta_getResetPostponed(x_7, x_8, x_9, x_10, x_154);
+x_156 = lean_ctor_get(x_155, 0);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_155, 1);
+lean_inc(x_157);
+lean_dec(x_155);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_165 = lean_is_expr_def_eq(x_1, x_14, x_7, x_8, x_9, x_10, x_157);
+if (lean_obj_tag(x_165) == 0)
+{
+lean_object* x_166; uint8_t x_167; 
+x_166 = lean_ctor_get(x_165, 0);
+lean_inc(x_166);
+x_167 = lean_unbox(x_166);
+lean_dec(x_166);
+if (x_167 == 0)
+{
+lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; uint8_t x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_156);
+x_168 = lean_ctor_get(x_165, 1);
+lean_inc(x_168);
+lean_dec(x_165);
+x_169 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_168);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_170 = lean_ctor_get(x_169, 1);
+lean_inc(x_170);
+if (lean_is_exclusive(x_169)) {
+ lean_ctor_release(x_169, 0);
+ lean_ctor_release(x_169, 1);
+ x_171 = x_169;
+} else {
+ lean_dec_ref(x_169);
+ x_171 = lean_box(0);
+}
+x_172 = 0;
+x_173 = lean_box(x_172);
+if (lean_is_scalar(x_171)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_171;
+}
+lean_ctor_set(x_174, 0, x_173);
+lean_ctor_set(x_174, 1, x_170);
+return x_174;
+}
+else
+{
+lean_object* x_175; uint8_t x_176; lean_object* x_177; 
+x_175 = lean_ctor_get(x_165, 1);
+lean_inc(x_175);
+lean_dec(x_165);
+x_176 = 0;
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+x_177 = l_Lean_Meta_processPostponed(x_6, x_176, x_7, x_8, x_9, x_10, x_175);
+if (lean_obj_tag(x_177) == 0)
+{
+lean_object* x_178; uint8_t x_179; 
+x_178 = lean_ctor_get(x_177, 0);
+lean_inc(x_178);
+x_179 = lean_unbox(x_178);
+lean_dec(x_178);
+if (x_179 == 0)
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; 
+lean_dec(x_156);
+x_180 = lean_ctor_get(x_177, 1);
+lean_inc(x_180);
+lean_dec(x_177);
+x_181 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_180);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_182 = lean_ctor_get(x_181, 1);
+lean_inc(x_182);
+if (lean_is_exclusive(x_181)) {
+ lean_ctor_release(x_181, 0);
+ lean_ctor_release(x_181, 1);
+ x_183 = x_181;
+} else {
+ lean_dec_ref(x_181);
+ x_183 = lean_box(0);
+}
+x_184 = lean_box(x_176);
+if (lean_is_scalar(x_183)) {
+ x_185 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_185 = x_183;
+}
+lean_ctor_set(x_185, 0, x_184);
+lean_ctor_set(x_185, 1, x_182);
+return x_185;
+}
+else
+{
+lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; lean_object* x_195; lean_object* x_196; 
+lean_dec(x_16);
+x_186 = lean_ctor_get(x_177, 1);
+lean_inc(x_186);
+lean_dec(x_177);
+x_187 = l_Lean_Meta_getPostponed___rarg(x_8, x_9, x_10, x_186);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = l_Std_PersistentArray_append___rarg(x_156, x_188);
+x_191 = l_Lean_Meta_setPostponed(x_190, x_7, x_8, x_9, x_10, x_189);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_192 = lean_ctor_get(x_191, 1);
+lean_inc(x_192);
+if (lean_is_exclusive(x_191)) {
+ lean_ctor_release(x_191, 0);
+ lean_ctor_release(x_191, 1);
+ x_193 = x_191;
+} else {
+ lean_dec_ref(x_191);
+ x_193 = lean_box(0);
+}
+x_194 = 1;
+x_195 = lean_box(x_194);
+if (lean_is_scalar(x_193)) {
+ x_196 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_196 = x_193;
+}
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_192);
+return x_196;
+}
+}
+else
+{
+lean_object* x_197; lean_object* x_198; 
+lean_dec(x_156);
+x_197 = lean_ctor_get(x_177, 0);
+lean_inc(x_197);
+x_198 = lean_ctor_get(x_177, 1);
+lean_inc(x_198);
+lean_dec(x_177);
+x_158 = x_197;
+x_159 = x_198;
+goto block_164;
+}
+}
+}
+else
+{
+lean_object* x_199; lean_object* x_200; 
+lean_dec(x_156);
+x_199 = lean_ctor_get(x_165, 0);
+lean_inc(x_199);
+x_200 = lean_ctor_get(x_165, 1);
+lean_inc(x_200);
+lean_dec(x_165);
+x_158 = x_199;
+x_159 = x_200;
+goto block_164;
+}
+block_164:
+{
+lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+x_160 = l_Lean_Meta_SavedState_restore(x_16, x_7, x_8, x_9, x_10, x_159);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_16);
+x_161 = lean_ctor_get(x_160, 1);
+lean_inc(x_161);
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ x_162 = x_160;
+} else {
+ lean_dec_ref(x_160);
+ x_162 = lean_box(0);
+}
+if (lean_is_scalar(x_162)) {
+ x_163 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_163 = x_162;
+ lean_ctor_set_tag(x_163, 1);
+}
+lean_ctor_set(x_163, 0, x_158);
+lean_ctor_set(x_163, 1, x_161);
+return x_163;
 }
 }
 }
@@ -20275,256 +21475,55 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg___boxed), 4, 0);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Meta_CheckAssignment_checkApp___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_9 = l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_st_ref_get(x_7, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+x_11 = lean_st_ref_get(x_5, x_10);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_ctor_get(x_16, 7);
-lean_inc(x_17);
-lean_dec(x_16);
-x_18 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_17, x_1);
-x_19 = lean_box(x_18);
-lean_ctor_set(x_13, 0, x_19);
-return x_13;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = lean_ctor_get(x_14, 7);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_15, x_1);
+x_17 = lean_box(x_16);
+lean_ctor_set(x_11, 0, x_17);
+return x_11;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = lean_ctor_get(x_13, 0);
-x_21 = lean_ctor_get(x_13, 1);
-lean_inc(x_21);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = lean_ctor_get(x_11, 0);
+x_19 = lean_ctor_get(x_11, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_11);
+x_20 = lean_ctor_get(x_18, 0);
 lean_inc(x_20);
-lean_dec(x_13);
-x_22 = lean_ctor_get(x_20, 0);
-lean_inc(x_22);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_20, 7);
+lean_inc(x_21);
 lean_dec(x_20);
-x_23 = lean_ctor_get(x_22, 7);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_23, x_1);
-x_25 = lean_box(x_24);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_21);
-return x_26;
+x_22 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(x_21, x_1);
+x_23 = lean_box(x_22);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_19);
+return x_24;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(lean_object* x_1, size_t x_2, size_t x_3) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(lean_object* x_1, size_t x_2, size_t x_3) {
 _start:
 {
 uint8_t x_4; 
@@ -20558,7 +21557,7 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
@@ -20622,7 +21621,7 @@ size_t x_209; size_t x_210; uint8_t x_211;
 x_209 = 0;
 x_210 = lean_usize_of_nat(x_203);
 lean_dec(x_203);
-x_211 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_209, x_210);
+x_211 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_209, x_210);
 if (x_211 == 0)
 {
 lean_object* x_212; 
@@ -21670,7 +22669,7 @@ size_t x_411; size_t x_412; uint8_t x_413;
 x_411 = 0;
 x_412 = lean_usize_of_nat(x_405);
 lean_dec(x_405);
-x_413 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_411, x_412);
+x_413 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_411, x_412);
 if (x_413 == 0)
 {
 lean_object* x_414; 
@@ -22718,7 +23717,7 @@ size_t x_613; size_t x_614; uint8_t x_615;
 x_613 = 0;
 x_614 = lean_usize_of_nat(x_607);
 lean_dec(x_607);
-x_615 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_613, x_614);
+x_615 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_613, x_614);
 if (x_615 == 0)
 {
 lean_object* x_616; 
@@ -23766,7 +24765,7 @@ size_t x_815; size_t x_816; uint8_t x_817;
 x_815 = 0;
 x_816 = lean_usize_of_nat(x_809);
 lean_dec(x_809);
-x_817 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_815, x_816);
+x_817 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_815, x_816);
 if (x_817 == 0)
 {
 lean_object* x_818; 
@@ -24814,7 +25813,7 @@ size_t x_1017; size_t x_1018; uint8_t x_1019;
 x_1017 = 0;
 x_1018 = lean_usize_of_nat(x_1011);
 lean_dec(x_1011);
-x_1019 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_1017, x_1018);
+x_1019 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_1017, x_1018);
 if (x_1019 == 0)
 {
 lean_object* x_1020; 
@@ -25879,7 +26878,7 @@ size_t x_1225; size_t x_1226; uint8_t x_1227;
 x_1225 = 0;
 x_1226 = lean_usize_of_nat(x_1219);
 lean_dec(x_1219);
-x_1227 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_1225, x_1226);
+x_1227 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_1225, x_1226);
 if (x_1227 == 0)
 {
 lean_object* x_1228; 
@@ -26927,7 +27926,7 @@ size_t x_1427; size_t x_1428; uint8_t x_1429;
 x_1427 = 0;
 x_1428 = lean_usize_of_nat(x_1421);
 lean_dec(x_1421);
-x_1429 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_1427, x_1428);
+x_1429 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_1427, x_1428);
 if (x_1429 == 0)
 {
 lean_object* x_1430; 
@@ -27975,7 +28974,7 @@ size_t x_1629; size_t x_1630; uint8_t x_1631;
 x_1629 = 0;
 x_1630 = lean_usize_of_nat(x_1623);
 lean_dec(x_1623);
-x_1631 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_1629, x_1630);
+x_1631 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_1629, x_1630);
 if (x_1631 == 0)
 {
 lean_object* x_1632; 
@@ -29023,7 +30022,7 @@ size_t x_1831; size_t x_1832; uint8_t x_1833;
 x_1831 = 0;
 x_1832 = lean_usize_of_nat(x_1825);
 lean_dec(x_1825);
-x_1833 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_1831, x_1832);
+x_1833 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_1831, x_1832);
 if (x_1833 == 0)
 {
 lean_object* x_1834; 
@@ -30071,7 +31070,7 @@ size_t x_2033; size_t x_2034; uint8_t x_2035;
 x_2033 = 0;
 x_2034 = lean_usize_of_nat(x_2027);
 lean_dec(x_2027);
-x_2035 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_2033, x_2034);
+x_2035 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_2033, x_2034);
 if (x_2035 == 0)
 {
 lean_object* x_2036; 
@@ -31119,7 +32118,7 @@ size_t x_2235; size_t x_2236; uint8_t x_2237;
 x_2235 = 0;
 x_2236 = lean_usize_of_nat(x_2229);
 lean_dec(x_2229);
-x_2237 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_3, x_2235, x_2236);
+x_2237 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_3, x_2235, x_2236);
 if (x_2237 == 0)
 {
 lean_object* x_2238; 
@@ -32123,7 +33122,7 @@ x_13 = lean_unsigned_to_nat(1u);
 x_14 = lean_nat_sub(x_10, x_13);
 lean_dec(x_10);
 lean_inc(x_1);
-x_15 = l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__5(x_1, x_1, x_12, x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_15 = l_Lean_Expr_withAppAux___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_1, x_1, x_12, x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_15;
 }
 }
@@ -32586,16 +33585,6 @@ return x_55;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_1);
-lean_ctor_set(x_10, 1, x_9);
-return x_10;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -32608,88 +33597,31 @@ x_11 = lean_st_ref_get(x_5, x_10);
 x_12 = !lean_is_exclusive(x_11);
 if (x_12 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
 lean_dec(x_13);
-x_16 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_15, x_1);
-if (lean_obj_tag(x_16) == 0)
-{
-lean_ctor_set(x_11, 0, x_16);
+x_15 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_14, x_1);
+lean_ctor_set(x_11, 0, x_15);
 return x_11;
 }
 else
 {
-lean_object* x_17; uint8_t x_18; 
-lean_free_object(x_11);
-x_17 = l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(x_5, x_6, x_7, x_14);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set(x_17, 0, x_16);
-return x_17;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_16);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
-}
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_11, 0);
-x_23 = lean_ctor_get(x_11, 1);
-lean_inc(x_23);
-lean_inc(x_22);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_16 = lean_ctor_get(x_11, 0);
+x_17 = lean_ctor_get(x_11, 1);
+lean_inc(x_17);
+lean_inc(x_16);
 lean_dec(x_11);
-x_24 = lean_ctor_get(x_22, 0);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_24, x_1);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; 
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_23);
-return x_26;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_27 = l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(x_5, x_6, x_7, x_23);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- x_29 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_29 = lean_box(0);
-}
-if (lean_is_scalar(x_29)) {
- x_30 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_30 = x_29;
-}
-lean_ctor_set(x_30, 0, x_25);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_18, x_1);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_17);
+return x_20;
 }
 }
 }
@@ -33168,7 +34100,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -33896,7 +34828,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -34624,7 +35556,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -35352,7 +36284,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -36080,7 +37012,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -36808,7 +37740,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -37171,1352 +38103,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -38526,15 +38749,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -38554,12 +38840,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -38758,1352 +39044,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -40113,15 +39690,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -40141,12 +39781,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -40387,1352 +40027,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -41742,15 +40673,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -41770,12 +40764,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -41799,1352 +40793,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -43154,15 +41439,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -43182,12 +41530,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -43257,1352 +41605,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -44612,15 +42251,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -44640,12 +42342,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -44798,1352 +42500,643 @@ goto block_22;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_40; 
 x_24 = lean_ctor_get(x_15, 0);
 lean_inc(x_24);
 lean_dec(x_15);
 x_25 = l_Lean_LocalDecl_fvarId(x_24);
 lean_inc(x_25);
 lean_inc(x_1);
-x_26 = l_Lean_LocalContext_contains(x_1, x_25);
-if (x_26 == 0)
+x_40 = l_Lean_LocalContext_contains(x_1, x_25);
+if (x_40 == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_27 = lean_array_get_size(x_2);
-x_28 = lean_unsigned_to_nat(0u);
-x_29 = lean_nat_dec_lt(x_28, x_27);
-if (x_29 == 0)
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_41 = lean_array_get_size(x_2);
+x_42 = lean_unsigned_to_nat(0u);
+x_43 = lean_nat_dec_lt(x_42, x_41);
+if (x_43 == 0)
 {
-lean_object* x_30; lean_object* x_31; 
-lean_dec(x_27);
+lean_object* x_44; lean_object* x_45; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_30 = lean_array_push(x_6, x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_13);
-x_16 = x_31;
+x_44 = lean_array_push(x_6, x_25);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_13);
+x_16 = x_45;
 goto block_22;
 }
 else
 {
-uint8_t x_32; 
-x_32 = lean_nat_dec_le(x_27, x_27);
-if (x_32 == 0)
+uint8_t x_46; 
+x_46 = lean_nat_dec_le(x_41, x_41);
+if (x_46 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-lean_dec(x_27);
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_41);
 lean_dec(x_24);
-x_33 = lean_array_push(x_6, x_25);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_13);
-x_16 = x_34;
+x_47 = lean_array_push(x_6, x_25);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_13);
+x_16 = x_48;
 goto block_22;
 }
 else
 {
-size_t x_35; size_t x_36; uint8_t x_37; 
-x_35 = 0;
-x_36 = lean_usize_of_nat(x_27);
-lean_dec(x_27);
-x_37 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_35, x_36);
-if (x_37 == 0)
+size_t x_49; size_t x_50; uint8_t x_51; 
+x_49 = 0;
+x_50 = lean_usize_of_nat(x_41);
+lean_dec(x_41);
+x_51 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__2(x_25, x_2, x_49, x_50);
+if (x_51 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
+lean_object* x_52; lean_object* x_53; 
 lean_dec(x_24);
-x_38 = lean_array_push(x_6, x_25);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_13);
-x_16 = x_39;
+x_52 = lean_array_push(x_6, x_25);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_13);
+x_16 = x_53;
 goto block_22;
 }
 else
 {
 if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_40 = lean_ctor_get(x_24, 3);
-lean_inc(x_40);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
+x_54 = lean_ctor_get(x_24, 3);
+lean_inc(x_54);
 lean_dec(x_24);
-x_41 = lean_st_ref_get(x_12, x_13);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_10, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_164 = lean_ctor_get(x_44, 0);
+x_55 = lean_st_ref_get(x_12, x_13);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_10, x_56);
+x_58 = lean_ctor_get(x_57, 0);
+lean_inc(x_58);
+x_59 = lean_ctor_get(x_57, 1);
+lean_inc(x_59);
+lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_inc(x_60);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Expr_hasFVar(x_54);
+if (x_63 == 0)
+{
+uint8_t x_64; 
+x_64 = l_Lean_Expr_hasMVar(x_54);
+if (x_64 == 0)
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_62);
+lean_dec(x_54);
+x_65 = lean_st_ref_get(x_12, x_59);
+x_66 = lean_ctor_get(x_65, 1);
+lean_inc(x_66);
+lean_dec(x_65);
+x_67 = lean_st_ref_take(x_10, x_66);
+x_68 = lean_ctor_get(x_67, 0);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 1);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = !lean_is_exclusive(x_68);
+if (x_70 == 0)
+{
+lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_71 = lean_ctor_get(x_68, 0);
+lean_dec(x_71);
+lean_ctor_set(x_68, 0, x_60);
+x_72 = lean_st_ref_set(x_10, x_68, x_69);
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_72, 0);
+lean_dec(x_74);
+x_75 = 0;
+x_76 = lean_box(x_75);
+lean_ctor_set(x_72, 0, x_76);
+x_26 = x_72;
+goto block_39;
+}
+else
+{
+lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
+x_77 = lean_ctor_get(x_72, 1);
+lean_inc(x_77);
+lean_dec(x_72);
+x_78 = 0;
+x_79 = lean_box(x_78);
+x_80 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_77);
+x_26 = x_80;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; 
+x_81 = lean_ctor_get(x_68, 1);
+x_82 = lean_ctor_get(x_68, 2);
+x_83 = lean_ctor_get(x_68, 3);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_68);
+x_84 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_84, 0, x_60);
+lean_ctor_set(x_84, 1, x_81);
+lean_ctor_set(x_84, 2, x_82);
+lean_ctor_set(x_84, 3, x_83);
+x_85 = lean_st_ref_set(x_10, x_84, x_69);
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
+}
+x_88 = 0;
+x_89 = lean_box(x_88);
+if (lean_is_scalar(x_87)) {
+ x_90 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_90 = x_87;
+}
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_86);
+x_26 = x_90;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_dec(x_60);
+x_91 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_54, x_62);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 0);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = lean_ctor_get(x_92, 1);
+lean_inc(x_94);
+lean_dec(x_92);
+x_95 = lean_st_ref_get(x_12, x_59);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_take(x_10, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = !lean_is_exclusive(x_98);
+if (x_100 == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_98, 0);
+lean_dec(x_101);
+lean_ctor_set(x_98, 0, x_94);
+x_102 = lean_st_ref_set(x_10, x_98, x_99);
+x_103 = !lean_is_exclusive(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+x_104 = lean_ctor_get(x_102, 0);
+lean_dec(x_104);
+lean_ctor_set(x_102, 0, x_93);
+x_26 = x_102;
+goto block_39;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; 
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+lean_dec(x_102);
+x_106 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_106, 0, x_93);
+lean_ctor_set(x_106, 1, x_105);
+x_26 = x_106;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
+x_107 = lean_ctor_get(x_98, 1);
+x_108 = lean_ctor_get(x_98, 2);
+x_109 = lean_ctor_get(x_98, 3);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_98);
+x_110 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_94);
+lean_ctor_set(x_110, 1, x_107);
+lean_ctor_set(x_110, 2, x_108);
+lean_ctor_set(x_110, 3, x_109);
+x_111 = lean_st_ref_set(x_10, x_110, x_99);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
+} else {
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
+}
+if (lean_is_scalar(x_113)) {
+ x_114 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_114 = x_113;
+}
+lean_ctor_set(x_114, 0, x_93);
+lean_ctor_set(x_114, 1, x_112);
+x_26 = x_114;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
+lean_dec(x_60);
+x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_54, x_62);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 0);
+lean_inc(x_117);
+lean_dec(x_115);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = lean_st_ref_get(x_12, x_59);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+lean_dec(x_119);
+x_121 = lean_st_ref_take(x_10, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = !lean_is_exclusive(x_122);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; uint8_t x_127; 
+x_125 = lean_ctor_get(x_122, 0);
+lean_dec(x_125);
+lean_ctor_set(x_122, 0, x_118);
+x_126 = lean_st_ref_set(x_10, x_122, x_123);
+x_127 = !lean_is_exclusive(x_126);
+if (x_127 == 0)
+{
+lean_object* x_128; 
+x_128 = lean_ctor_get(x_126, 0);
+lean_dec(x_128);
+lean_ctor_set(x_126, 0, x_117);
+x_26 = x_126;
+goto block_39;
+}
+else
+{
+lean_object* x_129; lean_object* x_130; 
+x_129 = lean_ctor_get(x_126, 1);
+lean_inc(x_129);
+lean_dec(x_126);
+x_130 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_130, 0, x_117);
+lean_ctor_set(x_130, 1, x_129);
+x_26 = x_130;
+goto block_39;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_131 = lean_ctor_get(x_122, 1);
+x_132 = lean_ctor_get(x_122, 2);
+x_133 = lean_ctor_get(x_122, 3);
+lean_inc(x_133);
+lean_inc(x_132);
+lean_inc(x_131);
+lean_dec(x_122);
+x_134 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_134, 0, x_118);
+lean_ctor_set(x_134, 1, x_131);
+lean_ctor_set(x_134, 2, x_132);
+lean_ctor_set(x_134, 3, x_133);
+x_135 = lean_st_ref_set(x_10, x_134, x_123);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_117);
+lean_ctor_set(x_138, 1, x_136);
+x_26 = x_138;
+goto block_39;
+}
+}
+}
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; lean_object* x_147; uint8_t x_180; lean_object* x_181; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_139 = lean_ctor_get(x_24, 3);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_24, 4);
+lean_inc(x_140);
+lean_dec(x_24);
+x_141 = lean_st_ref_get(x_12, x_13);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_get(x_10, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get(x_143, 1);
+lean_inc(x_145);
+lean_dec(x_143);
+x_194 = lean_ctor_get(x_144, 0);
+lean_inc(x_194);
+lean_dec(x_144);
+x_195 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+x_196 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_194);
+x_197 = l_Lean_Expr_hasFVar(x_139);
+if (x_197 == 0)
+{
+uint8_t x_198; 
+x_198 = l_Lean_Expr_hasMVar(x_139);
+if (x_198 == 0)
+{
+uint8_t x_199; 
+lean_dec(x_139);
+x_199 = 0;
+x_180 = x_199;
+x_181 = x_196;
+goto block_193;
+}
+else
+{
+lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
+x_200 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_139, x_196);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+lean_dec(x_200);
+x_203 = lean_unbox(x_201);
+lean_dec(x_201);
+x_180 = x_203;
+x_181 = x_202;
+goto block_193;
+}
+}
+else
+{
+lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_204 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_139, x_196);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_unbox(x_205);
+lean_dec(x_205);
+x_180 = x_207;
+x_181 = x_206;
+goto block_193;
+}
+block_179:
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = lean_st_ref_get(x_12, x_145);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = lean_st_ref_take(x_10, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = !lean_is_exclusive(x_152);
+if (x_154 == 0)
+{
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_152, 0);
+lean_dec(x_155);
+lean_ctor_set(x_152, 0, x_148);
+x_156 = lean_st_ref_set(x_10, x_152, x_153);
+if (x_146 == 0)
+{
+uint8_t x_157; 
+lean_dec(x_25);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 0)
+{
+lean_object* x_158; 
+x_158 = lean_ctor_get(x_156, 0);
+lean_dec(x_158);
+lean_ctor_set(x_156, 0, x_6);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+x_159 = lean_ctor_get(x_156, 1);
+lean_inc(x_159);
+lean_dec(x_156);
+x_160 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_160, 0, x_6);
+lean_ctor_set(x_160, 1, x_159);
+x_16 = x_160;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_161; 
+x_161 = !lean_is_exclusive(x_156);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_156, 0);
+lean_dec(x_162);
+x_163 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_156, 0, x_163);
+x_16 = x_156;
+goto block_22;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; 
+x_164 = lean_ctor_get(x_156, 1);
 lean_inc(x_164);
-lean_dec(x_44);
-x_165 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
+lean_dec(x_156);
+x_165 = lean_array_push(x_6, x_25);
 x_166 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_166, 0, x_165);
 lean_ctor_set(x_166, 1, x_164);
-x_167 = l_Lean_Expr_hasFVar(x_40);
-if (x_167 == 0)
-{
-uint8_t x_168; 
-x_168 = l_Lean_Expr_hasMVar(x_40);
-if (x_168 == 0)
-{
-uint8_t x_169; 
-lean_dec(x_40);
-x_169 = 0;
-x_46 = x_169;
-x_47 = x_166;
-goto block_163;
+x_16 = x_166;
+goto block_22;
+}
+}
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__3(x_6, x_40, x_166);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_167 = lean_ctor_get(x_152, 1);
+x_168 = lean_ctor_get(x_152, 2);
+x_169 = lean_ctor_get(x_152, 3);
+lean_inc(x_169);
+lean_inc(x_168);
+lean_inc(x_167);
+lean_dec(x_152);
+x_170 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_170, 0, x_148);
+lean_ctor_set(x_170, 1, x_167);
+lean_ctor_set(x_170, 2, x_168);
+lean_ctor_set(x_170, 3, x_169);
+x_171 = lean_st_ref_set(x_10, x_170, x_153);
+if (x_146 == 0)
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+lean_dec(x_25);
+x_172 = lean_ctor_get(x_171, 1);
 lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_46 = x_173;
-x_47 = x_172;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_173 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_173 = lean_box(0);
 }
+if (lean_is_scalar(x_173)) {
+ x_174 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_174 = x_173;
+}
+lean_ctor_set(x_174, 0, x_6);
+lean_ctor_set(x_174, 1, x_172);
+x_16 = x_174;
+goto block_22;
 }
 else
 {
-lean_object* x_174; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_174 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__11(x_6, x_40, x_166);
-x_175 = lean_ctor_get(x_174, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_175 = lean_ctor_get(x_171, 1);
 lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = lean_unbox(x_175);
-lean_dec(x_175);
-x_46 = x_177;
-x_47 = x_176;
-goto block_163;
+if (lean_is_exclusive(x_171)) {
+ lean_ctor_release(x_171, 0);
+ lean_ctor_release(x_171, 1);
+ x_176 = x_171;
+} else {
+ lean_dec_ref(x_171);
+ x_176 = lean_box(0);
 }
-block_163:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_12, x_45);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_10, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
-lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
-if (x_64 == 0)
-{
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
-lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
-{
-uint8_t x_76; 
-lean_dec(x_25);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_6);
-x_16 = x_75;
-goto block_22;
+x_177 = lean_array_push(x_6, x_25);
+if (lean_is_scalar(x_176)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_176;
 }
-else
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_6);
-lean_ctor_set(x_79, 1, x_78);
-x_16 = x_79;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_80; 
-x_80 = !lean_is_exclusive(x_75);
-if (x_80 == 0)
-{
-lean_object* x_81; lean_object* x_82; 
-x_81 = lean_ctor_get(x_75, 0);
-lean_dec(x_81);
-x_82 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_75, 0, x_82);
-x_16 = x_75;
-goto block_22;
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_75, 1);
-lean_inc(x_83);
-lean_dec(x_75);
-x_84 = lean_array_push(x_6, x_25);
-x_85 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set(x_85, 1, x_83);
-x_16 = x_85;
+lean_ctor_set(x_178, 0, x_177);
+lean_ctor_set(x_178, 1, x_175);
+x_16 = x_178;
 goto block_22;
 }
 }
 }
-else
+block_193:
 {
-uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_86 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_56);
-lean_ctor_set(x_87, 1, x_57);
-lean_ctor_set(x_87, 2, x_58);
-lean_ctor_set(x_87, 3, x_59);
-lean_ctor_set(x_87, 4, x_60);
-lean_ctor_set(x_87, 5, x_61);
-lean_ctor_set(x_87, 6, x_62);
-lean_ctor_set(x_87, 7, x_63);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-lean_ctor_set(x_52, 0, x_87);
-x_88 = lean_st_ref_set(x_10, x_52, x_55);
-if (x_46 == 0)
+if (x_180 == 0)
 {
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-lean_dec(x_25);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_90;
-}
-lean_ctor_set(x_91, 0, x_6);
-lean_ctor_set(x_91, 1, x_89);
-x_16 = x_91;
-goto block_22;
+uint8_t x_182; 
+x_182 = l_Lean_Expr_hasFVar(x_140);
+if (x_182 == 0)
+{
+uint8_t x_183; 
+x_183 = l_Lean_Expr_hasMVar(x_140);
+if (x_183 == 0)
+{
+uint8_t x_184; 
+lean_dec(x_140);
+x_184 = 0;
+x_146 = x_184;
+x_147 = x_181;
+goto block_179;
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_92 = lean_ctor_get(x_88, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_93 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_93 = lean_box(0);
-}
-x_94 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_93)) {
- x_95 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_95 = x_93;
-}
-lean_ctor_set(x_95, 0, x_94);
-lean_ctor_set(x_95, 1, x_92);
-x_16 = x_95;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_96 = lean_ctor_get(x_52, 1);
-x_97 = lean_ctor_get(x_52, 2);
-x_98 = lean_ctor_get(x_52, 3);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_dec(x_52);
-x_99 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_100 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_100 = lean_box(0);
-}
-if (lean_is_scalar(x_100)) {
- x_101 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_101 = x_100;
-}
-lean_ctor_set(x_101, 0, x_56);
-lean_ctor_set(x_101, 1, x_57);
-lean_ctor_set(x_101, 2, x_58);
-lean_ctor_set(x_101, 3, x_59);
-lean_ctor_set(x_101, 4, x_60);
-lean_ctor_set(x_101, 5, x_61);
-lean_ctor_set(x_101, 6, x_62);
-lean_ctor_set(x_101, 7, x_63);
-lean_ctor_set_uint8(x_101, sizeof(void*)*8, x_99);
-x_102 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_102, 0, x_101);
-lean_ctor_set(x_102, 1, x_96);
-lean_ctor_set(x_102, 2, x_97);
-lean_ctor_set(x_102, 3, x_98);
-x_103 = lean_st_ref_set(x_10, x_102, x_55);
-if (x_46 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_25);
-x_104 = lean_ctor_get(x_103, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_105 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_6);
-lean_ctor_set(x_106, 1, x_104);
-x_16 = x_106;
-goto block_22;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_103, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_103)) {
- lean_ctor_release(x_103, 0);
- lean_ctor_release(x_103, 1);
- x_108 = x_103;
-} else {
- lean_dec_ref(x_103);
- x_108 = lean_box(0);
-}
-x_109 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_16 = x_110;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_111; uint8_t x_112; 
-x_111 = lean_ctor_get(x_51, 1);
-lean_inc(x_111);
-lean_dec(x_51);
-x_112 = !lean_is_exclusive(x_48);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_52);
-if (x_113 == 0)
-{
-lean_object* x_114; uint8_t x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_52, 0);
-lean_dec(x_114);
-x_115 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_115);
-lean_ctor_set(x_52, 0, x_48);
-x_116 = lean_st_ref_set(x_10, x_52, x_111);
-if (x_46 == 0)
-{
-uint8_t x_117; 
-lean_dec(x_25);
-x_117 = !lean_is_exclusive(x_116);
-if (x_117 == 0)
-{
-lean_object* x_118; 
-x_118 = lean_ctor_get(x_116, 0);
-lean_dec(x_118);
-lean_ctor_set(x_116, 0, x_6);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; 
-x_119 = lean_ctor_get(x_116, 1);
-lean_inc(x_119);
-lean_dec(x_116);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_6);
-lean_ctor_set(x_120, 1, x_119);
-x_16 = x_120;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_121; 
-x_121 = !lean_is_exclusive(x_116);
-if (x_121 == 0)
-{
-lean_object* x_122; lean_object* x_123; 
-x_122 = lean_ctor_get(x_116, 0);
-lean_dec(x_122);
-x_123 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_116, 0, x_123);
-x_16 = x_116;
-goto block_22;
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_124 = lean_ctor_get(x_116, 1);
-lean_inc(x_124);
-lean_dec(x_116);
-x_125 = lean_array_push(x_6, x_25);
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_16 = x_126;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
-x_127 = lean_ctor_get(x_52, 1);
-x_128 = lean_ctor_get(x_52, 2);
-x_129 = lean_ctor_get(x_52, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_52);
-x_130 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_130);
-x_131 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_131, 0, x_48);
-lean_ctor_set(x_131, 1, x_127);
-lean_ctor_set(x_131, 2, x_128);
-lean_ctor_set(x_131, 3, x_129);
-x_132 = lean_st_ref_set(x_10, x_131, x_111);
-if (x_46 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-lean_dec(x_25);
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_134 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_134 = lean_box(0);
-}
-if (lean_is_scalar(x_134)) {
- x_135 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_135 = x_134;
-}
-lean_ctor_set(x_135, 0, x_6);
-lean_ctor_set(x_135, 1, x_133);
-x_16 = x_135;
-goto block_22;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-if (lean_is_exclusive(x_132)) {
- lean_ctor_release(x_132, 0);
- lean_ctor_release(x_132, 1);
- x_137 = x_132;
-} else {
- lean_dec_ref(x_132);
- x_137 = lean_box(0);
-}
-x_138 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_137)) {
- x_139 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_139 = x_137;
-}
-lean_ctor_set(x_139, 0, x_138);
-lean_ctor_set(x_139, 1, x_136);
-x_16 = x_139;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_140 = lean_ctor_get(x_48, 0);
-x_141 = lean_ctor_get(x_48, 1);
-x_142 = lean_ctor_get(x_48, 2);
-x_143 = lean_ctor_get(x_48, 3);
-x_144 = lean_ctor_get(x_48, 4);
-x_145 = lean_ctor_get(x_48, 5);
-x_146 = lean_ctor_get(x_48, 6);
-x_147 = lean_ctor_get(x_48, 7);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_48);
-x_148 = lean_ctor_get(x_52, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_52, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_52, 3);
-lean_inc(x_150);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_151 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_151 = lean_box(0);
-}
-x_152 = 1;
-x_153 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_153, 0, x_140);
-lean_ctor_set(x_153, 1, x_141);
-lean_ctor_set(x_153, 2, x_142);
-lean_ctor_set(x_153, 3, x_143);
-lean_ctor_set(x_153, 4, x_144);
-lean_ctor_set(x_153, 5, x_145);
-lean_ctor_set(x_153, 6, x_146);
-lean_ctor_set(x_153, 7, x_147);
-lean_ctor_set_uint8(x_153, sizeof(void*)*8, x_152);
-if (lean_is_scalar(x_151)) {
- x_154 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_154 = x_151;
-}
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_148);
-lean_ctor_set(x_154, 2, x_149);
-lean_ctor_set(x_154, 3, x_150);
-x_155 = lean_st_ref_set(x_10, x_154, x_111);
-if (x_46 == 0)
-{
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_25);
-x_156 = lean_ctor_get(x_155, 1);
-lean_inc(x_156);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_157 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_157 = lean_box(0);
-}
-if (lean_is_scalar(x_157)) {
- x_158 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_158 = x_157;
-}
-lean_ctor_set(x_158, 0, x_6);
-lean_ctor_set(x_158, 1, x_156);
-x_16 = x_158;
-goto block_22;
-}
-else
-{
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_160 = x_155;
-} else {
- lean_dec_ref(x_155);
- x_160 = lean_box(0);
-}
-x_161 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_160)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_162 = x_160;
-}
-lean_ctor_set(x_162, 0, x_161);
-lean_ctor_set(x_162, 1, x_159);
-x_16 = x_162;
-goto block_22;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; uint8_t x_185; lean_object* x_186; uint8_t x_303; lean_object* x_304; lean_object* x_317; lean_object* x_318; lean_object* x_319; uint8_t x_320; 
-x_178 = lean_ctor_get(x_24, 3);
-lean_inc(x_178);
-x_179 = lean_ctor_get(x_24, 4);
-lean_inc(x_179);
-lean_dec(x_24);
-x_180 = lean_st_ref_get(x_12, x_13);
-x_181 = lean_ctor_get(x_180, 1);
-lean_inc(x_181);
-lean_dec(x_180);
-x_182 = lean_st_ref_get(x_10, x_181);
-x_183 = lean_ctor_get(x_182, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_182, 1);
-lean_inc(x_184);
-lean_dec(x_182);
-x_317 = lean_ctor_get(x_183, 0);
-lean_inc(x_317);
-lean_dec(x_183);
-x_318 = l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__56___closed__1;
-x_319 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_319, 0, x_318);
-lean_ctor_set(x_319, 1, x_317);
-x_320 = l_Lean_Expr_hasFVar(x_178);
-if (x_320 == 0)
-{
-uint8_t x_321; 
-x_321 = l_Lean_Expr_hasMVar(x_178);
-if (x_321 == 0)
-{
-uint8_t x_322; 
-lean_dec(x_178);
-x_322 = 0;
-x_303 = x_322;
-x_304 = x_319;
-goto block_316;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; 
-x_323 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__35(x_6, x_178, x_319);
-x_324 = lean_ctor_get(x_323, 0);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_323, 1);
-lean_inc(x_325);
-lean_dec(x_323);
-x_326 = lean_unbox(x_324);
-lean_dec(x_324);
-x_303 = x_326;
-x_304 = x_325;
-goto block_316;
-}
-}
-else
-{
-lean_object* x_327; lean_object* x_328; lean_object* x_329; uint8_t x_330; 
-x_327 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__43(x_6, x_178, x_319);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_327, 1);
-lean_inc(x_329);
-lean_dec(x_327);
-x_330 = lean_unbox(x_328);
-lean_dec(x_328);
-x_303 = x_330;
-x_304 = x_329;
-goto block_316;
-}
-block_302:
-{
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_187 = lean_ctor_get(x_186, 1);
+lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_185 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_140, x_181);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
 lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_unbox(x_186);
 lean_dec(x_186);
-x_188 = lean_st_ref_get(x_12, x_184);
-x_189 = lean_ctor_get(x_188, 1);
-lean_inc(x_189);
-lean_dec(x_188);
-x_190 = lean_st_ref_take(x_10, x_189);
-x_191 = lean_ctor_get(x_190, 0);
+x_146 = x_188;
+x_147 = x_187;
+goto block_179;
+}
+}
+else
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_189 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_140, x_181);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
 lean_inc(x_191);
-x_192 = lean_ctor_get_uint8(x_187, sizeof(void*)*8);
-if (x_192 == 0)
-{
-lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; uint8_t x_203; 
-x_193 = lean_ctor_get(x_191, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_190, 1);
-lean_inc(x_194);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
 lean_dec(x_190);
-x_195 = lean_ctor_get(x_187, 0);
-lean_inc(x_195);
-x_196 = lean_ctor_get(x_187, 1);
-lean_inc(x_196);
-x_197 = lean_ctor_get(x_187, 2);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_187, 3);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_187, 4);
-lean_inc(x_199);
-x_200 = lean_ctor_get(x_187, 5);
-lean_inc(x_200);
-x_201 = lean_ctor_get(x_187, 6);
-lean_inc(x_201);
-x_202 = lean_ctor_get(x_187, 7);
-lean_inc(x_202);
-lean_dec(x_187);
-x_203 = !lean_is_exclusive(x_191);
-if (x_203 == 0)
-{
-lean_object* x_204; uint8_t x_205; 
-x_204 = lean_ctor_get(x_191, 0);
-lean_dec(x_204);
-x_205 = !lean_is_exclusive(x_193);
-if (x_205 == 0)
-{
-lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_206 = lean_ctor_get(x_193, 7);
-lean_dec(x_206);
-x_207 = lean_ctor_get(x_193, 6);
-lean_dec(x_207);
-x_208 = lean_ctor_get(x_193, 5);
-lean_dec(x_208);
-x_209 = lean_ctor_get(x_193, 4);
-lean_dec(x_209);
-x_210 = lean_ctor_get(x_193, 3);
-lean_dec(x_210);
-x_211 = lean_ctor_get(x_193, 2);
-lean_dec(x_211);
-x_212 = lean_ctor_get(x_193, 1);
-lean_dec(x_212);
-x_213 = lean_ctor_get(x_193, 0);
-lean_dec(x_213);
-lean_ctor_set(x_193, 7, x_202);
-lean_ctor_set(x_193, 6, x_201);
-lean_ctor_set(x_193, 5, x_200);
-lean_ctor_set(x_193, 4, x_199);
-lean_ctor_set(x_193, 3, x_198);
-lean_ctor_set(x_193, 2, x_197);
-lean_ctor_set(x_193, 1, x_196);
-lean_ctor_set(x_193, 0, x_195);
-x_214 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-uint8_t x_215; 
-lean_dec(x_25);
-x_215 = !lean_is_exclusive(x_214);
-if (x_215 == 0)
-{
-lean_object* x_216; 
-x_216 = lean_ctor_get(x_214, 0);
-lean_dec(x_216);
-lean_ctor_set(x_214, 0, x_6);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_217; lean_object* x_218; 
-x_217 = lean_ctor_get(x_214, 1);
-lean_inc(x_217);
-lean_dec(x_214);
-x_218 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_218, 0, x_6);
-lean_ctor_set(x_218, 1, x_217);
-x_16 = x_218;
-goto block_22;
+x_146 = x_192;
+x_147 = x_191;
+goto block_179;
 }
 }
 else
 {
-uint8_t x_219; 
-x_219 = !lean_is_exclusive(x_214);
-if (x_219 == 0)
-{
-lean_object* x_220; lean_object* x_221; 
-x_220 = lean_ctor_get(x_214, 0);
-lean_dec(x_220);
-x_221 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_214, 0, x_221);
-x_16 = x_214;
-goto block_22;
-}
-else
-{
-lean_object* x_222; lean_object* x_223; lean_object* x_224; 
-x_222 = lean_ctor_get(x_214, 1);
-lean_inc(x_222);
-lean_dec(x_214);
-x_223 = lean_array_push(x_6, x_25);
-x_224 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-x_16 = x_224;
-goto block_22;
-}
-}
-}
-else
-{
-uint8_t x_225; lean_object* x_226; lean_object* x_227; 
-x_225 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-lean_dec(x_193);
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_195);
-lean_ctor_set(x_226, 1, x_196);
-lean_ctor_set(x_226, 2, x_197);
-lean_ctor_set(x_226, 3, x_198);
-lean_ctor_set(x_226, 4, x_199);
-lean_ctor_set(x_226, 5, x_200);
-lean_ctor_set(x_226, 6, x_201);
-lean_ctor_set(x_226, 7, x_202);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-lean_ctor_set(x_191, 0, x_226);
-x_227 = lean_st_ref_set(x_10, x_191, x_194);
-if (x_185 == 0)
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-lean_dec(x_25);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_229 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_229 = lean_box(0);
-}
-if (lean_is_scalar(x_229)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_229;
-}
-lean_ctor_set(x_230, 0, x_6);
-lean_ctor_set(x_230, 1, x_228);
-x_16 = x_230;
-goto block_22;
-}
-else
-{
-lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_231 = lean_ctor_get(x_227, 1);
-lean_inc(x_231);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- x_232 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_232 = lean_box(0);
-}
-x_233 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_233);
-lean_ctor_set(x_234, 1, x_231);
-x_16 = x_234;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
-x_235 = lean_ctor_get(x_191, 1);
-x_236 = lean_ctor_get(x_191, 2);
-x_237 = lean_ctor_get(x_191, 3);
-lean_inc(x_237);
-lean_inc(x_236);
-lean_inc(x_235);
-lean_dec(x_191);
-x_238 = lean_ctor_get_uint8(x_193, sizeof(void*)*8);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- lean_ctor_release(x_193, 2);
- lean_ctor_release(x_193, 3);
- lean_ctor_release(x_193, 4);
- lean_ctor_release(x_193, 5);
- lean_ctor_release(x_193, 6);
- lean_ctor_release(x_193, 7);
- x_239 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_195);
-lean_ctor_set(x_240, 1, x_196);
-lean_ctor_set(x_240, 2, x_197);
-lean_ctor_set(x_240, 3, x_198);
-lean_ctor_set(x_240, 4, x_199);
-lean_ctor_set(x_240, 5, x_200);
-lean_ctor_set(x_240, 6, x_201);
-lean_ctor_set(x_240, 7, x_202);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_238);
-x_241 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_194);
-if (x_185 == 0)
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; 
-lean_dec(x_25);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_244 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_244 = lean_box(0);
-}
-if (lean_is_scalar(x_244)) {
- x_245 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_245 = x_244;
-}
-lean_ctor_set(x_245, 0, x_6);
-lean_ctor_set(x_245, 1, x_243);
-x_16 = x_245;
-goto block_22;
-}
-else
-{
-lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_246 = lean_ctor_get(x_242, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_242)) {
- lean_ctor_release(x_242, 0);
- lean_ctor_release(x_242, 1);
- x_247 = x_242;
-} else {
- lean_dec_ref(x_242);
- x_247 = lean_box(0);
-}
-x_248 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_249 = x_247;
-}
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-x_16 = x_249;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_250; uint8_t x_251; 
-x_250 = lean_ctor_get(x_190, 1);
-lean_inc(x_250);
-lean_dec(x_190);
-x_251 = !lean_is_exclusive(x_187);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = !lean_is_exclusive(x_191);
-if (x_252 == 0)
-{
-lean_object* x_253; uint8_t x_254; lean_object* x_255; 
-x_253 = lean_ctor_get(x_191, 0);
-lean_dec(x_253);
-x_254 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_254);
-lean_ctor_set(x_191, 0, x_187);
-x_255 = lean_st_ref_set(x_10, x_191, x_250);
-if (x_185 == 0)
-{
-uint8_t x_256; 
-lean_dec(x_25);
-x_256 = !lean_is_exclusive(x_255);
-if (x_256 == 0)
-{
-lean_object* x_257; 
-x_257 = lean_ctor_get(x_255, 0);
-lean_dec(x_257);
-lean_ctor_set(x_255, 0, x_6);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_258; lean_object* x_259; 
-x_258 = lean_ctor_get(x_255, 1);
-lean_inc(x_258);
-lean_dec(x_255);
-x_259 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_259, 0, x_6);
-lean_ctor_set(x_259, 1, x_258);
-x_16 = x_259;
-goto block_22;
-}
-}
-else
-{
-uint8_t x_260; 
-x_260 = !lean_is_exclusive(x_255);
-if (x_260 == 0)
-{
-lean_object* x_261; lean_object* x_262; 
-x_261 = lean_ctor_get(x_255, 0);
-lean_dec(x_261);
-x_262 = lean_array_push(x_6, x_25);
-lean_ctor_set(x_255, 0, x_262);
-x_16 = x_255;
-goto block_22;
-}
-else
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; 
-x_263 = lean_ctor_get(x_255, 1);
-lean_inc(x_263);
-lean_dec(x_255);
-x_264 = lean_array_push(x_6, x_25);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-x_16 = x_265;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_266; lean_object* x_267; lean_object* x_268; uint8_t x_269; lean_object* x_270; lean_object* x_271; 
-x_266 = lean_ctor_get(x_191, 1);
-x_267 = lean_ctor_get(x_191, 2);
-x_268 = lean_ctor_get(x_191, 3);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_inc(x_266);
-lean_dec(x_191);
-x_269 = 1;
-lean_ctor_set_uint8(x_187, sizeof(void*)*8, x_269);
-x_270 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_270, 0, x_187);
-lean_ctor_set(x_270, 1, x_266);
-lean_ctor_set(x_270, 2, x_267);
-lean_ctor_set(x_270, 3, x_268);
-x_271 = lean_st_ref_set(x_10, x_270, x_250);
-if (x_185 == 0)
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; 
-lean_dec(x_25);
-x_272 = lean_ctor_get(x_271, 1);
-lean_inc(x_272);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_273 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_273 = lean_box(0);
-}
-if (lean_is_scalar(x_273)) {
- x_274 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_274 = x_273;
-}
-lean_ctor_set(x_274, 0, x_6);
-lean_ctor_set(x_274, 1, x_272);
-x_16 = x_274;
-goto block_22;
-}
-else
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; 
-x_275 = lean_ctor_get(x_271, 1);
-lean_inc(x_275);
-if (lean_is_exclusive(x_271)) {
- lean_ctor_release(x_271, 0);
- lean_ctor_release(x_271, 1);
- x_276 = x_271;
-} else {
- lean_dec_ref(x_271);
- x_276 = lean_box(0);
-}
-x_277 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_276)) {
- x_278 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_278 = x_276;
-}
-lean_ctor_set(x_278, 0, x_277);
-lean_ctor_set(x_278, 1, x_275);
-x_16 = x_278;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
-x_279 = lean_ctor_get(x_187, 0);
-x_280 = lean_ctor_get(x_187, 1);
-x_281 = lean_ctor_get(x_187, 2);
-x_282 = lean_ctor_get(x_187, 3);
-x_283 = lean_ctor_get(x_187, 4);
-x_284 = lean_ctor_get(x_187, 5);
-x_285 = lean_ctor_get(x_187, 6);
-x_286 = lean_ctor_get(x_187, 7);
-lean_inc(x_286);
-lean_inc(x_285);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_dec(x_187);
-x_287 = lean_ctor_get(x_191, 1);
-lean_inc(x_287);
-x_288 = lean_ctor_get(x_191, 2);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_191, 3);
-lean_inc(x_289);
-if (lean_is_exclusive(x_191)) {
- lean_ctor_release(x_191, 0);
- lean_ctor_release(x_191, 1);
- lean_ctor_release(x_191, 2);
- lean_ctor_release(x_191, 3);
- x_290 = x_191;
-} else {
- lean_dec_ref(x_191);
- x_290 = lean_box(0);
-}
-x_291 = 1;
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_279);
-lean_ctor_set(x_292, 1, x_280);
-lean_ctor_set(x_292, 2, x_281);
-lean_ctor_set(x_292, 3, x_282);
-lean_ctor_set(x_292, 4, x_283);
-lean_ctor_set(x_292, 5, x_284);
-lean_ctor_set(x_292, 6, x_285);
-lean_ctor_set(x_292, 7, x_286);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-if (lean_is_scalar(x_290)) {
- x_293 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_293 = x_290;
-}
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_287);
-lean_ctor_set(x_293, 2, x_288);
-lean_ctor_set(x_293, 3, x_289);
-x_294 = lean_st_ref_set(x_10, x_293, x_250);
-if (x_185 == 0)
-{
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-lean_dec(x_25);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
-}
-if (lean_is_scalar(x_296)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_296;
-}
-lean_ctor_set(x_297, 0, x_6);
-lean_ctor_set(x_297, 1, x_295);
-x_16 = x_297;
-goto block_22;
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_298 = lean_ctor_get(x_294, 1);
-lean_inc(x_298);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_299 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_299 = lean_box(0);
-}
-x_300 = lean_array_push(x_6, x_25);
-if (lean_is_scalar(x_299)) {
- x_301 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_301 = x_299;
-}
-lean_ctor_set(x_301, 0, x_300);
-lean_ctor_set(x_301, 1, x_298);
-x_16 = x_301;
-goto block_22;
-}
-}
-}
-}
-block_316:
-{
-if (x_303 == 0)
-{
-uint8_t x_305; 
-x_305 = l_Lean_Expr_hasFVar(x_179);
-if (x_305 == 0)
-{
-uint8_t x_306; 
-x_306 = l_Lean_Expr_hasMVar(x_179);
-if (x_306 == 0)
-{
-uint8_t x_307; 
-lean_dec(x_179);
-x_307 = 0;
-x_185 = x_307;
-x_186 = x_304;
-goto block_302;
-}
-else
-{
-lean_object* x_308; lean_object* x_309; lean_object* x_310; uint8_t x_311; 
-x_308 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__19(x_6, x_179, x_304);
-x_309 = lean_ctor_get(x_308, 0);
-lean_inc(x_309);
-x_310 = lean_ctor_get(x_308, 1);
-lean_inc(x_310);
-lean_dec(x_308);
-x_311 = lean_unbox(x_309);
-lean_dec(x_309);
-x_185 = x_311;
-x_186 = x_310;
-goto block_302;
-}
-}
-else
-{
-lean_object* x_312; lean_object* x_313; lean_object* x_314; uint8_t x_315; 
-x_312 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(x_6, x_179, x_304);
-x_313 = lean_ctor_get(x_312, 0);
-lean_inc(x_313);
-x_314 = lean_ctor_get(x_312, 1);
-lean_inc(x_314);
-lean_dec(x_312);
-x_315 = lean_unbox(x_313);
-lean_dec(x_313);
-x_185 = x_315;
-x_186 = x_314;
-goto block_302;
-}
-}
-else
-{
-lean_dec(x_179);
-x_185 = x_303;
-x_186 = x_304;
-goto block_302;
+lean_dec(x_140);
+x_146 = x_180;
+x_147 = x_181;
+goto block_179;
 }
 }
 }
@@ -46153,15 +43146,78 @@ goto block_302;
 }
 else
 {
-lean_object* x_331; 
+lean_object* x_208; 
 lean_dec(x_25);
 lean_dec(x_24);
-x_331 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_331, 0, x_6);
-lean_ctor_set(x_331, 1, x_13);
-x_16 = x_331;
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_6);
+lean_ctor_set(x_208, 1, x_13);
+x_16 = x_208;
 goto block_22;
 }
+block_39:
+{
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
+{
+uint8_t x_29; 
+lean_dec(x_25);
+x_29 = !lean_is_exclusive(x_26);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+x_30 = lean_ctor_get(x_26, 0);
+lean_dec(x_30);
+lean_ctor_set(x_26, 0, x_6);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+lean_dec(x_26);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_6);
+lean_ctor_set(x_32, 1, x_31);
+x_16 = x_32;
+goto block_22;
+}
+}
+else
+{
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_26);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_26, 0);
+lean_dec(x_34);
+x_35 = lean_array_push(x_6, x_25);
+lean_ctor_set(x_26, 0, x_35);
+x_16 = x_26;
+goto block_22;
+}
+else
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_26, 1);
+lean_inc(x_36);
+lean_dec(x_26);
+x_37 = lean_array_push(x_6, x_25);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_36);
+x_16 = x_38;
+goto block_22;
+}
+}
+}
 }
 block_22:
 {
@@ -46181,12 +43237,12 @@ goto _start;
 }
 else
 {
-lean_object* x_332; 
+lean_object* x_209; 
 lean_dec(x_1);
-x_332 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_332, 0, x_6);
-lean_ctor_set(x_332, 1, x_13);
-return x_332;
+x_209 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_209, 0, x_6);
+lean_ctor_set(x_209, 1, x_13);
+return x_209;
 }
 }
 }
@@ -46603,48 +43659,45 @@ lean_dec(x_17);
 x_18 = !lean_is_exclusive(x_14);
 if (x_18 == 0)
 {
-lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; uint8_t x_23; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
 x_19 = lean_ctor_get(x_14, 6);
 x_20 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_19, x_1, x_2);
-x_21 = 1;
 lean_ctor_set(x_14, 6, x_20);
-lean_ctor_set_uint8(x_14, sizeof(void*)*8, x_21);
-x_22 = lean_st_ref_set(x_6, x_13, x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_21 = lean_st_ref_set(x_6, x_13, x_15);
+x_22 = !lean_is_exclusive(x_21);
+if (x_22 == 0)
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-x_25 = lean_box(0);
-lean_ctor_set(x_22, 0, x_25);
-return x_22;
+lean_object* x_23; lean_object* x_24; 
+x_23 = lean_ctor_get(x_21, 0);
+lean_dec(x_23);
+x_24 = lean_box(0);
+lean_ctor_set(x_21, 0, x_24);
+return x_21;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = lean_ctor_get(x_21, 1);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = lean_box(0);
+x_27 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+return x_27;
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_29 = lean_ctor_get(x_14, 0);
-x_30 = lean_ctor_get(x_14, 1);
-x_31 = lean_ctor_get(x_14, 2);
-x_32 = lean_ctor_get(x_14, 3);
-x_33 = lean_ctor_get(x_14, 4);
-x_34 = lean_ctor_get(x_14, 5);
-x_35 = lean_ctor_get(x_14, 6);
-x_36 = lean_ctor_get(x_14, 7);
-lean_inc(x_36);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_28 = lean_ctor_get(x_14, 0);
+x_29 = lean_ctor_get(x_14, 1);
+x_30 = lean_ctor_get(x_14, 2);
+x_31 = lean_ctor_get(x_14, 3);
+x_32 = lean_ctor_get(x_14, 4);
+x_33 = lean_ctor_get(x_14, 5);
+x_34 = lean_ctor_get(x_14, 6);
+x_35 = lean_ctor_get(x_14, 7);
 lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
@@ -46652,68 +43705,67 @@ lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
 lean_dec(x_14);
-x_37 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_35, x_1, x_2);
-x_38 = 1;
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_29);
-lean_ctor_set(x_39, 1, x_30);
-lean_ctor_set(x_39, 2, x_31);
-lean_ctor_set(x_39, 3, x_32);
-lean_ctor_set(x_39, 4, x_33);
-lean_ctor_set(x_39, 5, x_34);
-lean_ctor_set(x_39, 6, x_37);
-lean_ctor_set(x_39, 7, x_36);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_38);
-lean_ctor_set(x_13, 0, x_39);
-x_40 = lean_st_ref_set(x_6, x_13, x_15);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
+x_36 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_34, x_1, x_2);
+x_37 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_37, 0, x_28);
+lean_ctor_set(x_37, 1, x_29);
+lean_ctor_set(x_37, 2, x_30);
+lean_ctor_set(x_37, 3, x_31);
+lean_ctor_set(x_37, 4, x_32);
+lean_ctor_set(x_37, 5, x_33);
+lean_ctor_set(x_37, 6, x_36);
+lean_ctor_set(x_37, 7, x_35);
+lean_ctor_set(x_13, 0, x_37);
+x_38 = lean_st_ref_set(x_6, x_13, x_15);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = lean_box(0);
+if (lean_is_scalar(x_40)) {
+ x_42 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_42 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
 }
-x_43 = lean_box(0);
-if (lean_is_scalar(x_42)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_44 = x_42;
-}
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_39);
+return x_42;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_45 = lean_ctor_get(x_13, 1);
-x_46 = lean_ctor_get(x_13, 2);
-x_47 = lean_ctor_get(x_13, 3);
-lean_inc(x_47);
-lean_inc(x_46);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_43 = lean_ctor_get(x_13, 1);
+x_44 = lean_ctor_get(x_13, 2);
+x_45 = lean_ctor_get(x_13, 3);
 lean_inc(x_45);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_13);
-x_48 = lean_ctor_get(x_14, 0);
+x_46 = lean_ctor_get(x_14, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_14, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_14, 2);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_14, 1);
+x_49 = lean_ctor_get(x_14, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_14, 2);
+x_50 = lean_ctor_get(x_14, 4);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_14, 3);
+x_51 = lean_ctor_get(x_14, 5);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_14, 4);
+x_52 = lean_ctor_get(x_14, 6);
 lean_inc(x_52);
-x_53 = lean_ctor_get(x_14, 5);
+x_53 = lean_ctor_get(x_14, 7);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_14, 6);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_14, 7);
-lean_inc(x_55);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -46723,52 +43775,50 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 5);
  lean_ctor_release(x_14, 6);
  lean_ctor_release(x_14, 7);
- x_56 = x_14;
+ x_54 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_56 = lean_box(0);
+ x_54 = lean_box(0);
 }
-x_57 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_54, x_1, x_2);
-x_58 = 1;
-if (lean_is_scalar(x_56)) {
- x_59 = lean_alloc_ctor(0, 8, 1);
+x_55 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_52, x_1, x_2);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_59 = x_56;
+ x_56 = x_54;
 }
-lean_ctor_set(x_59, 0, x_48);
-lean_ctor_set(x_59, 1, x_49);
-lean_ctor_set(x_59, 2, x_50);
-lean_ctor_set(x_59, 3, x_51);
-lean_ctor_set(x_59, 4, x_52);
-lean_ctor_set(x_59, 5, x_53);
-lean_ctor_set(x_59, 6, x_57);
-lean_ctor_set(x_59, 7, x_55);
-lean_ctor_set_uint8(x_59, sizeof(void*)*8, x_58);
-x_60 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_45);
-lean_ctor_set(x_60, 2, x_46);
-lean_ctor_set(x_60, 3, x_47);
-x_61 = lean_st_ref_set(x_6, x_60, x_15);
-x_62 = lean_ctor_get(x_61, 1);
-lean_inc(x_62);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_63 = x_61;
+lean_ctor_set(x_56, 0, x_46);
+lean_ctor_set(x_56, 1, x_47);
+lean_ctor_set(x_56, 2, x_48);
+lean_ctor_set(x_56, 3, x_49);
+lean_ctor_set(x_56, 4, x_50);
+lean_ctor_set(x_56, 5, x_51);
+lean_ctor_set(x_56, 6, x_55);
+lean_ctor_set(x_56, 7, x_53);
+x_57 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_43);
+lean_ctor_set(x_57, 2, x_44);
+lean_ctor_set(x_57, 3, x_45);
+x_58 = lean_st_ref_set(x_6, x_57, x_15);
+x_59 = lean_ctor_get(x_58, 1);
+lean_inc(x_59);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_60 = x_58;
 } else {
- lean_dec_ref(x_61);
- x_63 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_60 = lean_box(0);
 }
-x_64 = lean_box(0);
-if (lean_is_scalar(x_63)) {
- x_65 = lean_alloc_ctor(0, 2, 0);
+x_61 = lean_box(0);
+if (lean_is_scalar(x_60)) {
+ x_62 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_65 = x_63;
+ x_62 = x_60;
 }
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_62);
-return x_65;
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_59);
+return x_62;
 }
 }
 }
@@ -48558,28 +45608,6 @@ x_13 = l_Array_mapMUnsafe_map___at_Lean_Meta_CheckAssignment_checkApp___spec__1(
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___at_Lean_Meta_CheckAssignment_checkApp___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -48594,7 +45622,7 @@ lean_dec(x_2);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 size_t x_4; size_t x_5; uint8_t x_6; lean_object* x_7; 
@@ -48602,7 +45630,7 @@ x_4 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_5 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_6 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__4(x_1, x_4, x_5);
+x_6 = l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkApp___spec__3(x_1, x_4, x_5);
 lean_dec(x_1);
 x_7 = lean_box(x_6);
 return x_7;
@@ -48628,21 +45656,6 @@ x_11 = l_Lean_Meta_CheckAssignment_checkAssignmentAux(x_1, x_2, x_10, x_4, x_5,
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_10;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_CheckAssignment_checkMVar___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -50006,7 +47019,113 @@ x_10 = lean_box(x_9);
 return x_10;
 }
 }
-static lean_object* _init_l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1() {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_8 = lean_st_ref_get(x_6, x_7);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+lean_dec(x_8);
+x_10 = lean_st_ref_get(x_4, x_9);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_ctor_get(x_10, 0);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_13, x_1);
+x_15 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_15, 0, x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_2);
+lean_ctor_set(x_10, 0, x_16);
+return x_10;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_17 = lean_ctor_get(x_10, 0);
+x_18 = lean_ctor_get(x_10, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_10);
+x_19 = lean_ctor_get(x_17, 0);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_19, x_1);
+x_21 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_21, 0, x_20);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_2);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_18);
+return x_23;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_8 = lean_st_ref_get(x_6, x_7);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+lean_dec(x_8);
+x_10 = lean_st_ref_get(x_4, x_9);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_12 = lean_ctor_get(x_10, 0);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_ctor_get(x_13, 7);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_14, x_1);
+x_16 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_16, 0, x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_2);
+lean_ctor_set(x_10, 0, x_17);
+return x_10;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_18 = lean_ctor_get(x_10, 0);
+x_19 = lean_ctor_get(x_10, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_10);
+x_20 = lean_ctor_get(x_18, 0);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_20, 7);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_21, x_1);
+x_23 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_23);
+lean_ctor_set(x_24, 1, x_2);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_19);
+return x_25;
+}
+}
+}
+static lean_object* _init_l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -50016,338 +47135,7 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
-x_7 = lean_st_ref_get(x_5, x_6);
-x_8 = lean_ctor_get(x_7, 1);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = lean_st_ref_take(x_3, x_8);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_9, 1);
-lean_inc(x_12);
-lean_dec(x_9);
-x_13 = !lean_is_exclusive(x_10);
-if (x_13 == 0)
-{
-lean_object* x_14; uint8_t x_15; 
-x_14 = lean_ctor_get(x_10, 0);
-lean_dec(x_14);
-x_15 = !lean_is_exclusive(x_11);
-if (x_15 == 0)
-{
-uint8_t x_16; lean_object* x_17; uint8_t x_18; 
-x_16 = 1;
-lean_ctor_set_uint8(x_11, sizeof(void*)*8, x_16);
-x_17 = lean_st_ref_set(x_3, x_10, x_12);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-x_20 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_1);
-lean_ctor_set(x_17, 0, x_21);
-return x_17;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_17, 1);
-lean_inc(x_22);
-lean_dec(x_17);
-x_23 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_1);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_22);
-return x_25;
-}
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_26 = lean_ctor_get(x_11, 0);
-x_27 = lean_ctor_get(x_11, 1);
-x_28 = lean_ctor_get(x_11, 2);
-x_29 = lean_ctor_get(x_11, 3);
-x_30 = lean_ctor_get(x_11, 4);
-x_31 = lean_ctor_get(x_11, 5);
-x_32 = lean_ctor_get(x_11, 6);
-x_33 = lean_ctor_get(x_11, 7);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_11);
-x_34 = 1;
-x_35 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_35, 0, x_26);
-lean_ctor_set(x_35, 1, x_27);
-lean_ctor_set(x_35, 2, x_28);
-lean_ctor_set(x_35, 3, x_29);
-lean_ctor_set(x_35, 4, x_30);
-lean_ctor_set(x_35, 5, x_31);
-lean_ctor_set(x_35, 6, x_32);
-lean_ctor_set(x_35, 7, x_33);
-lean_ctor_set_uint8(x_35, sizeof(void*)*8, x_34);
-lean_ctor_set(x_10, 0, x_35);
-x_36 = lean_st_ref_set(x_3, x_10, x_12);
-x_37 = lean_ctor_get(x_36, 1);
-lean_inc(x_37);
-if (lean_is_exclusive(x_36)) {
- lean_ctor_release(x_36, 0);
- lean_ctor_release(x_36, 1);
- x_38 = x_36;
-} else {
- lean_dec_ref(x_36);
- x_38 = lean_box(0);
-}
-x_39 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_1);
-if (lean_is_scalar(x_38)) {
- x_41 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_41 = x_38;
-}
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_37);
-return x_41;
-}
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_42 = lean_ctor_get(x_10, 1);
-x_43 = lean_ctor_get(x_10, 2);
-x_44 = lean_ctor_get(x_10, 3);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_inc(x_42);
-lean_dec(x_10);
-x_45 = lean_ctor_get(x_11, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_11, 1);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_11, 2);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_11, 3);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_11, 4);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_11, 5);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_11, 6);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_11, 7);
-lean_inc(x_52);
-if (lean_is_exclusive(x_11)) {
- lean_ctor_release(x_11, 0);
- lean_ctor_release(x_11, 1);
- lean_ctor_release(x_11, 2);
- lean_ctor_release(x_11, 3);
- lean_ctor_release(x_11, 4);
- lean_ctor_release(x_11, 5);
- lean_ctor_release(x_11, 6);
- lean_ctor_release(x_11, 7);
- x_53 = x_11;
-} else {
- lean_dec_ref(x_11);
- x_53 = lean_box(0);
-}
-x_54 = 1;
-if (lean_is_scalar(x_53)) {
- x_55 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_55 = x_53;
-}
-lean_ctor_set(x_55, 0, x_45);
-lean_ctor_set(x_55, 1, x_46);
-lean_ctor_set(x_55, 2, x_47);
-lean_ctor_set(x_55, 3, x_48);
-lean_ctor_set(x_55, 4, x_49);
-lean_ctor_set(x_55, 5, x_50);
-lean_ctor_set(x_55, 6, x_51);
-lean_ctor_set(x_55, 7, x_52);
-lean_ctor_set_uint8(x_55, sizeof(void*)*8, x_54);
-x_56 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_42);
-lean_ctor_set(x_56, 2, x_43);
-lean_ctor_set(x_56, 3, x_44);
-x_57 = lean_st_ref_set(x_3, x_56, x_12);
-x_58 = lean_ctor_get(x_57, 1);
-lean_inc(x_58);
-if (lean_is_exclusive(x_57)) {
- lean_ctor_release(x_57, 0);
- lean_ctor_release(x_57, 1);
- x_59 = x_57;
-} else {
- lean_dec_ref(x_57);
- x_59 = lean_box(0);
-}
-x_60 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_1);
-if (lean_is_scalar(x_59)) {
- x_62 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_62 = x_59;
-}
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_58);
-return x_62;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_9, 0, x_1);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_10, 1, x_3);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_10);
-lean_ctor_set(x_11, 1, x_8);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_st_ref_get(x_4, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_13, x_1);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_box(0);
-x_16 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(x_14, x_15, x_2, x_3, x_4, x_5, x_6, x_12);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_17 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5(x_2, x_3, x_4, x_5, x_6, x_12);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_ctor_get(x_18, 1);
-lean_inc(x_21);
-lean_dec(x_18);
-x_22 = lean_ctor_get(x_19, 0);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(x_14, x_22, x_21, x_3, x_4, x_5, x_6, x_20);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_22);
-return x_23;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_8 = lean_st_ref_get(x_6, x_7);
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_st_ref_get(x_4, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = lean_ctor_get(x_13, 7);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_14, x_1);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_box(0);
-x_17 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(x_15, x_16, x_2, x_3, x_4, x_5, x_6, x_12);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_17;
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_18 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5(x_2, x_3, x_4, x_5, x_6, x_12);
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_18, 1);
-lean_inc(x_21);
-lean_dec(x_18);
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_20, 0);
-lean_inc(x_23);
-lean_dec(x_20);
-x_24 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(x_15, x_23, x_22, x_3, x_4, x_5, x_6, x_21);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_23);
-return x_24;
-}
-}
-}
-static lean_object* _init_l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1() {
+static lean_object* _init_l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -50365,10 +47153,6 @@ x_9 = lean_name_eq(x_1, x_2);
 if (x_9 == 0)
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_2);
 x_10 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4(x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 x_11 = lean_ctor_get(x_10, 0);
@@ -50387,11 +47171,7 @@ lean_dec(x_10);
 x_15 = lean_ctor_get(x_11, 1);
 lean_inc(x_15);
 lean_dec(x_11);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_16 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__6(x_2, x_15, x_4, x_5, x_6, x_7, x_14);
+x_16 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5(x_2, x_15, x_4, x_5, x_6, x_7, x_14);
 x_17 = lean_ctor_get(x_16, 0);
 lean_inc(x_17);
 x_18 = lean_ctor_get(x_17, 0);
@@ -50402,10 +47182,6 @@ lean_dec(x_18);
 if (lean_obj_tag(x_19) == 0)
 {
 uint8_t x_20; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_20 = !lean_is_exclusive(x_16);
 if (x_20 == 0)
 {
@@ -50418,7 +47194,7 @@ if (x_22 == 0)
 lean_object* x_23; lean_object* x_24; 
 x_23 = lean_ctor_get(x_17, 0);
 lean_dec(x_23);
-x_24 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_24 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 lean_ctor_set(x_17, 0, x_24);
 return x_16;
 }
@@ -50428,7 +47204,7 @@ lean_object* x_25; lean_object* x_26; lean_object* x_27;
 x_25 = lean_ctor_get(x_17, 1);
 lean_inc(x_25);
 lean_dec(x_17);
-x_26 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_26 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 x_27 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_27, 0, x_26);
 lean_ctor_set(x_27, 1, x_25);
@@ -50452,7 +47228,7 @@ if (lean_is_exclusive(x_17)) {
  lean_dec_ref(x_17);
  x_30 = lean_box(0);
 }
-x_31 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_31 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 if (lean_is_scalar(x_30)) {
  x_32 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -50507,12 +47283,8 @@ return x_42;
 else
 {
 lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_43 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
+x_43 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2;
 x_44 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_44, 0, x_43);
 lean_ctor_set(x_44, 1, x_3);
@@ -50531,12 +47303,8 @@ x_9 = l_Lean_Expr_hasExprMVar(x_2);
 if (x_9 == 0)
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_10 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_10 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 x_11 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_11, 0, x_10);
 lean_ctor_set(x_11, 1, x_3);
@@ -50574,10 +47342,6 @@ lean_inc(x_17);
 x_18 = lean_ctor_get(x_2, 1);
 lean_inc(x_18);
 lean_dec(x_2);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_19 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_17, x_14, x_4, x_5, x_6, x_7, x_8);
 x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
@@ -50587,10 +47351,6 @@ if (lean_obj_tag(x_21) == 0)
 {
 uint8_t x_22; 
 lean_dec(x_18);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_22 = !lean_is_exclusive(x_19);
 if (x_22 == 0)
 {
@@ -50716,10 +47476,6 @@ lean_inc(x_45);
 x_46 = lean_ctor_get(x_2, 2);
 lean_inc(x_46);
 lean_dec(x_2);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_47 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_45, x_14, x_4, x_5, x_6, x_7, x_8);
 x_48 = lean_ctor_get(x_47, 0);
 lean_inc(x_48);
@@ -50729,10 +47485,6 @@ if (lean_obj_tag(x_49) == 0)
 {
 uint8_t x_50; 
 lean_dec(x_46);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_50 = !lean_is_exclusive(x_47);
 if (x_50 == 0)
 {
@@ -50858,10 +47610,6 @@ lean_inc(x_73);
 x_74 = lean_ctor_get(x_2, 2);
 lean_inc(x_74);
 lean_dec(x_2);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_75 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_73, x_14, x_4, x_5, x_6, x_7, x_8);
 x_76 = lean_ctor_get(x_75, 0);
 lean_inc(x_76);
@@ -50871,10 +47619,6 @@ if (lean_obj_tag(x_77) == 0)
 {
 uint8_t x_78; 
 lean_dec(x_74);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_78 = !lean_is_exclusive(x_75);
 if (x_78 == 0)
 {
@@ -51002,10 +47746,6 @@ lean_inc(x_102);
 x_103 = lean_ctor_get(x_2, 3);
 lean_inc(x_103);
 lean_dec(x_2);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_104 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_101, x_14, x_4, x_5, x_6, x_7, x_8);
 x_105 = lean_ctor_get(x_104, 0);
 lean_inc(x_105);
@@ -51016,10 +47756,6 @@ if (lean_obj_tag(x_106) == 0)
 uint8_t x_107; 
 lean_dec(x_103);
 lean_dec(x_102);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_107 = !lean_is_exclusive(x_104);
 if (x_107 == 0)
 {
@@ -51131,10 +47867,6 @@ lean_dec(x_104);
 x_128 = lean_ctor_get(x_105, 1);
 lean_inc(x_128);
 lean_dec(x_105);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 x_129 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_102, x_128, x_4, x_5, x_6, x_7, x_127);
 x_130 = lean_ctor_get(x_129, 0);
 lean_inc(x_130);
@@ -51144,10 +47876,6 @@ if (lean_obj_tag(x_131) == 0)
 {
 uint8_t x_132; 
 lean_dec(x_103);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 x_132 = !lean_is_exclusive(x_129);
 if (x_132 == 0)
 {
@@ -51289,12 +48017,8 @@ goto _start;
 default: 
 {
 lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_159 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_159 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 x_160 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_160, 0, x_159);
 lean_ctor_set(x_160, 1, x_14);
@@ -51308,12 +48032,8 @@ return x_161;
 else
 {
 lean_object* x_162; lean_object* x_163; lean_object* x_164; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
 lean_dec(x_2);
-x_162 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1;
+x_162 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1;
 x_163 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_163, 0, x_162);
 lean_ctor_set(x_163, 1, x_3);
@@ -51333,10 +48053,6 @@ x_8 = l_Lean_Expr_hasExprMVar(x_2);
 if (x_8 == 0)
 {
 uint8_t x_9; lean_object* x_10; lean_object* x_11; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
 lean_dec(x_2);
 x_9 = 1;
 x_10 = lean_box(x_9);
@@ -51416,7 +48132,7 @@ return x_31;
 }
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -51426,11 +48142,11 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1;
+x_1 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1;
 x_2 = lean_box(0);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -51438,7 +48154,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 uint8_t x_12; 
@@ -51474,10 +48190,6 @@ lean_inc(x_16);
 x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
 lean_dec(x_15);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
 x_18 = l_Lean_occursCheck___at_Lean_Meta_checkAssignment___spec__1(x_1, x_16, x_7, x_8, x_9, x_10, x_17);
 x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
@@ -51497,7 +48209,7 @@ if (x_21 == 0)
 lean_object* x_22; lean_object* x_23; 
 x_22 = lean_ctor_get(x_18, 0);
 lean_dec(x_22);
-x_23 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2;
+x_23 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2;
 lean_ctor_set(x_18, 0, x_23);
 return x_18;
 }
@@ -51507,7 +48219,7 @@ lean_object* x_24; lean_object* x_25; lean_object* x_26;
 x_24 = lean_ctor_get(x_18, 1);
 lean_inc(x_24);
 lean_dec(x_18);
-x_25 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2;
+x_25 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2;
 x_26 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_26, 0, x_25);
 lean_ctor_set(x_26, 1, x_24);
@@ -51564,7 +48276,7 @@ return x_34;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -51691,7 +48403,7 @@ x_51 = lean_ctor_get(x_45, 1);
 lean_inc(x_51);
 lean_dec(x_45);
 lean_inc(x_15);
-x_52 = l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8(x_15, x_2, x_5, x_6);
+x_52 = l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7(x_15, x_2, x_5, x_6);
 x_17 = x_52;
 x_18 = x_51;
 goto block_42;
@@ -51832,7 +48544,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_13 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7(x_1, x_12, x_2, x_10, x_11, x_12, x_4, x_5, x_6, x_7, x_8);
+x_13 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6(x_1, x_12, x_2, x_10, x_11, x_12, x_4, x_5, x_6, x_7, x_8);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; lean_object* x_15; 
@@ -51923,29 +48635,28 @@ return x_28;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_7; 
-x_7 = l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_7;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
+lean_object* x_8; 
+x_8 = l_Lean_getExprMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_2);
-return x_9;
+lean_dec(x_3);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Meta_checkAssignment___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_8;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
@@ -51953,6 +48664,10 @@ _start:
 {
 lean_object* x_9; 
 x_9 = l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_1);
 return x_9;
 }
@@ -51962,6 +48677,10 @@ _start:
 {
 lean_object* x_9; 
 x_9 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_1);
 return x_9;
 }
@@ -51971,11 +48690,15 @@ _start:
 {
 lean_object* x_8; 
 x_8 = l_Lean_occursCheck___at_Lean_Meta_checkAssignment___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_1);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 size_t x_12; size_t x_13; lean_object* x_14; 
@@ -51983,13 +48706,13 @@ x_12 = lean_unbox_usize(x_4);
 lean_dec(x_4);
 x_13 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_14 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6(x_1, x_2, x_3, x_12, x_13, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_3);
 lean_dec(x_1);
 return x_14;
 }
 }
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
@@ -51997,7 +48720,7 @@ x_5 = lean_unbox_usize(x_3);
 lean_dec(x_3);
 x_6 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_7 = l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__8(x_1, x_2, x_5, x_6);
+x_7 = l_Array_anyMUnsafe_any___at_Lean_Meta_checkAssignment___spec__7(x_1, x_2, x_5, x_6);
 lean_dec(x_2);
 x_8 = lean_box(x_7);
 return x_8;
@@ -52180,7 +48903,7 @@ return x_9;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_25; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_10 = l_Lean_Expr_headBeta(x_3);
 x_11 = l_Lean_Meta_saveState___rarg(x_6, x_7, x_8, x_9);
 x_12 = lean_ctor_get(x_11, 0);
@@ -52188,216 +48911,737 @@ lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_getResetPostponed(x_5, x_6, x_7, x_8, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+x_14 = lean_st_ref_get(x_8, x_13);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
 lean_dec(x_14);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApproxAux(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_16);
-if (lean_obj_tag(x_25) == 0)
+x_16 = lean_st_ref_take(x_6, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = !lean_is_exclusive(x_17);
+if (x_20 == 0)
 {
-lean_object* x_26; uint8_t x_27; 
-x_26 = lean_ctor_get(x_25, 0);
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_17, 1);
+lean_dec(x_21);
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_38; 
+x_23 = lean_ctor_get(x_18, 5);
+lean_dec(x_23);
+x_24 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_18, 5, x_24);
+x_25 = lean_st_ref_set(x_6, x_17, x_19);
+x_26 = lean_ctor_get(x_25, 1);
 lean_inc(x_26);
-x_27 = lean_unbox(x_26);
-lean_dec(x_26);
-if (x_27 == 0)
-{
-lean_object* x_28; lean_object* x_29; uint8_t x_30; 
-lean_dec(x_15);
-x_28 = lean_ctor_get(x_25, 1);
+lean_dec(x_25);
+x_27 = l_Lean_Meta_getResetPostponed(x_5, x_6, x_7, x_8, x_26);
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_25);
-x_29 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_28);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
-{
-lean_object* x_31; uint8_t x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_29, 0);
-lean_dec(x_31);
-x_32 = 0;
-x_33 = lean_box(x_32);
-lean_ctor_set(x_29, 0, x_33);
-return x_29;
-}
-else
-{
-lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_29, 1);
-lean_inc(x_34);
-lean_dec(x_29);
-x_35 = 0;
-x_36 = lean_box(x_35);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_34);
-return x_37;
-}
-}
-else
-{
-lean_object* x_38; uint8_t x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_25, 1);
-lean_inc(x_38);
-lean_dec(x_25);
-x_39 = 0;
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_40 = l_Lean_Meta_processPostponed(x_4, x_39, x_5, x_6, x_7, x_8, x_38);
-if (lean_obj_tag(x_40) == 0)
+x_38 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApproxAux(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_29);
+if (lean_obj_tag(x_38) == 0)
 {
-lean_object* x_41; uint8_t x_42; 
-x_41 = lean_ctor_get(x_40, 0);
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+x_40 = lean_unbox(x_39);
+lean_dec(x_39);
+if (x_40 == 0)
+{
+lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+lean_dec(x_28);
+x_41 = lean_ctor_get(x_38, 1);
 lean_inc(x_41);
-x_42 = lean_unbox(x_41);
-lean_dec(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-lean_dec(x_15);
-x_43 = lean_ctor_get(x_40, 1);
-lean_inc(x_43);
-lean_dec(x_40);
-x_44 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_43);
+lean_dec(x_38);
+x_42 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_41);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_45 = !lean_is_exclusive(x_44);
-if (x_45 == 0)
+lean_dec(x_12);
+x_43 = !lean_is_exclusive(x_42);
+if (x_43 == 0)
 {
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_44, 0);
-lean_dec(x_46);
-x_47 = lean_box(x_39);
-lean_ctor_set(x_44, 0, x_47);
-return x_44;
+lean_object* x_44; uint8_t x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_42, 0);
+lean_dec(x_44);
+x_45 = 0;
+x_46 = lean_box(x_45);
+lean_ctor_set(x_42, 0, x_46);
+return x_42;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_44, 1);
-lean_inc(x_48);
-lean_dec(x_44);
-x_49 = lean_box(x_39);
+lean_object* x_47; uint8_t x_48; lean_object* x_49; lean_object* x_50; 
+x_47 = lean_ctor_get(x_42, 1);
+lean_inc(x_47);
+lean_dec(x_42);
+x_48 = 0;
+x_49 = lean_box(x_48);
 x_50 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
+lean_ctor_set(x_50, 1, x_47);
 return x_50;
 }
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
-lean_dec(x_12);
-x_51 = lean_ctor_get(x_40, 1);
+lean_object* x_51; uint8_t x_52; lean_object* x_53; 
+x_51 = lean_ctor_get(x_38, 1);
 lean_inc(x_51);
-lean_dec(x_40);
-x_52 = l_Lean_Meta_getPostponed___rarg(x_6, x_7, x_8, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
+lean_dec(x_38);
+x_52 = 0;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_53 = l_Lean_Meta_processPostponed(x_4, x_52, x_5, x_6, x_7, x_8, x_51);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; uint8_t x_55; 
+x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
-lean_dec(x_52);
-x_55 = l_Std_PersistentArray_append___rarg(x_15, x_53);
-x_56 = l_Lean_Meta_setPostponed(x_55, x_5, x_6, x_7, x_8, x_54);
+x_55 = lean_unbox(x_54);
+lean_dec(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+lean_dec(x_28);
+x_56 = lean_ctor_get(x_53, 1);
+lean_inc(x_56);
+lean_dec(x_53);
+x_57 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_56);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
+lean_dec(x_12);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
 {
-lean_object* x_58; uint8_t x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-lean_dec(x_58);
-x_59 = 1;
-x_60 = lean_box(x_59);
-lean_ctor_set(x_56, 0, x_60);
-return x_56;
+lean_object* x_59; lean_object* x_60; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+x_60 = lean_box(x_52);
+lean_ctor_set(x_57, 0, x_60);
+return x_57;
 }
 else
 {
-lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; 
-x_61 = lean_ctor_get(x_56, 1);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_57, 1);
 lean_inc(x_61);
-lean_dec(x_56);
-x_62 = 1;
-x_63 = lean_box(x_62);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_61);
-return x_64;
-}
+lean_dec(x_57);
+x_62 = lean_box(x_52);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+return x_63;
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_15);
-x_65 = lean_ctor_get(x_40, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_40, 1);
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_12);
+x_64 = lean_ctor_get(x_53, 1);
+lean_inc(x_64);
+lean_dec(x_53);
+x_65 = l_Lean_Meta_getPostponed___rarg(x_6, x_7, x_8, x_64);
+x_66 = lean_ctor_get(x_65, 0);
 lean_inc(x_66);
-lean_dec(x_40);
-x_17 = x_65;
-x_18 = x_66;
-goto block_24;
-}
-}
-}
-else
-{
-lean_object* x_67; lean_object* x_68; 
-lean_dec(x_15);
-x_67 = lean_ctor_get(x_25, 0);
+x_67 = lean_ctor_get(x_65, 1);
 lean_inc(x_67);
-x_68 = lean_ctor_get(x_25, 1);
-lean_inc(x_68);
-lean_dec(x_25);
-x_17 = x_67;
-x_18 = x_68;
-goto block_24;
-}
-block_24:
-{
-lean_object* x_19; uint8_t x_20; 
-x_19 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_18);
+lean_dec(x_65);
+x_68 = l_Std_PersistentArray_append___rarg(x_28, x_66);
+x_69 = l_Lean_Meta_setPostponed(x_68, x_5, x_6, x_7, x_8, x_67);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
 {
-lean_object* x_21; 
-x_21 = lean_ctor_get(x_19, 0);
-lean_dec(x_21);
-lean_ctor_set_tag(x_19, 1);
-lean_ctor_set(x_19, 0, x_17);
-return x_19;
+lean_object* x_71; uint8_t x_72; lean_object* x_73; 
+x_71 = lean_ctor_get(x_69, 0);
+lean_dec(x_71);
+x_72 = 1;
+x_73 = lean_box(x_72);
+lean_ctor_set(x_69, 0, x_73);
+return x_69;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_17);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
+lean_object* x_74; uint8_t x_75; lean_object* x_76; lean_object* x_77; 
+x_74 = lean_ctor_get(x_69, 1);
+lean_inc(x_74);
+lean_dec(x_69);
+x_75 = 1;
+x_76 = lean_box(x_75);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_74);
+return x_77;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_28);
+x_78 = lean_ctor_get(x_53, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_53, 1);
+lean_inc(x_79);
+lean_dec(x_53);
+x_30 = x_78;
+x_31 = x_79;
+goto block_37;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; 
+lean_dec(x_28);
+x_80 = lean_ctor_get(x_38, 0);
+lean_inc(x_80);
+x_81 = lean_ctor_get(x_38, 1);
+lean_inc(x_81);
+lean_dec(x_38);
+x_30 = x_80;
+x_31 = x_81;
+goto block_37;
+}
+block_37:
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_31);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+}
+else
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_101; 
+x_82 = lean_ctor_get(x_18, 0);
+x_83 = lean_ctor_get(x_18, 1);
+x_84 = lean_ctor_get(x_18, 2);
+x_85 = lean_ctor_get(x_18, 3);
+x_86 = lean_ctor_get(x_18, 4);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_dec(x_18);
+x_87 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_88 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_88, 0, x_82);
+lean_ctor_set(x_88, 1, x_83);
+lean_ctor_set(x_88, 2, x_84);
+lean_ctor_set(x_88, 3, x_85);
+lean_ctor_set(x_88, 4, x_86);
+lean_ctor_set(x_88, 5, x_87);
+lean_ctor_set(x_17, 1, x_88);
+x_89 = lean_st_ref_set(x_6, x_17, x_19);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+lean_dec(x_89);
+x_91 = l_Lean_Meta_getResetPostponed(x_5, x_6, x_7, x_8, x_90);
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 1);
+lean_inc(x_93);
+lean_dec(x_91);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_101 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApproxAux(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_93);
+if (lean_obj_tag(x_101) == 0)
+{
+lean_object* x_102; uint8_t x_103; 
+x_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+x_103 = lean_unbox(x_102);
+lean_dec(x_102);
+if (x_103 == 0)
+{
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; 
+lean_dec(x_92);
+x_104 = lean_ctor_get(x_101, 1);
+lean_inc(x_104);
+lean_dec(x_101);
+x_105 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_104);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_106 = lean_ctor_get(x_105, 1);
+lean_inc(x_106);
+if (lean_is_exclusive(x_105)) {
+ lean_ctor_release(x_105, 0);
+ lean_ctor_release(x_105, 1);
+ x_107 = x_105;
+} else {
+ lean_dec_ref(x_105);
+ x_107 = lean_box(0);
+}
+x_108 = 0;
+x_109 = lean_box(x_108);
+if (lean_is_scalar(x_107)) {
+ x_110 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_110 = x_107;
+}
+lean_ctor_set(x_110, 0, x_109);
+lean_ctor_set(x_110, 1, x_106);
+return x_110;
+}
+else
+{
+lean_object* x_111; uint8_t x_112; lean_object* x_113; 
+x_111 = lean_ctor_get(x_101, 1);
+lean_inc(x_111);
+lean_dec(x_101);
+x_112 = 0;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_113 = l_Lean_Meta_processPostponed(x_4, x_112, x_5, x_6, x_7, x_8, x_111);
+if (lean_obj_tag(x_113) == 0)
+{
+lean_object* x_114; uint8_t x_115; 
+x_114 = lean_ctor_get(x_113, 0);
+lean_inc(x_114);
+x_115 = lean_unbox(x_114);
+lean_dec(x_114);
+if (x_115 == 0)
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+lean_dec(x_92);
+x_116 = lean_ctor_get(x_113, 1);
+lean_inc(x_116);
+lean_dec(x_113);
+x_117 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_116);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_118 = lean_ctor_get(x_117, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_119 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_119 = lean_box(0);
+}
+x_120 = lean_box(x_112);
+if (lean_is_scalar(x_119)) {
+ x_121 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_121 = x_119;
+}
+lean_ctor_set(x_121, 0, x_120);
+lean_ctor_set(x_121, 1, x_118);
+return x_121;
+}
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
+lean_dec(x_12);
+x_122 = lean_ctor_get(x_113, 1);
+lean_inc(x_122);
+lean_dec(x_113);
+x_123 = l_Lean_Meta_getPostponed___rarg(x_6, x_7, x_8, x_122);
+x_124 = lean_ctor_get(x_123, 0);
+lean_inc(x_124);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
+x_126 = l_Std_PersistentArray_append___rarg(x_92, x_124);
+x_127 = l_Lean_Meta_setPostponed(x_126, x_5, x_6, x_7, x_8, x_125);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_128 = lean_ctor_get(x_127, 1);
+lean_inc(x_128);
+if (lean_is_exclusive(x_127)) {
+ lean_ctor_release(x_127, 0);
+ lean_ctor_release(x_127, 1);
+ x_129 = x_127;
+} else {
+ lean_dec_ref(x_127);
+ x_129 = lean_box(0);
+}
+x_130 = 1;
+x_131 = lean_box(x_130);
+if (lean_is_scalar(x_129)) {
+ x_132 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_132 = x_129;
+}
+lean_ctor_set(x_132, 0, x_131);
+lean_ctor_set(x_132, 1, x_128);
+return x_132;
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_92);
+x_133 = lean_ctor_get(x_113, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_113, 1);
+lean_inc(x_134);
+lean_dec(x_113);
+x_94 = x_133;
+x_95 = x_134;
+goto block_100;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; 
+lean_dec(x_92);
+x_135 = lean_ctor_get(x_101, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_101, 1);
+lean_inc(x_136);
+lean_dec(x_101);
+x_94 = x_135;
+x_95 = x_136;
+goto block_100;
+}
+block_100:
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_96 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_95);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_97 = lean_ctor_get(x_96, 1);
+lean_inc(x_97);
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ x_98 = x_96;
+} else {
+ lean_dec_ref(x_96);
+ x_98 = lean_box(0);
+}
+if (lean_is_scalar(x_98)) {
+ x_99 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_99 = x_98;
+ lean_ctor_set_tag(x_99, 1);
+}
+lean_ctor_set(x_99, 0, x_94);
+lean_ctor_set(x_99, 1, x_97);
+return x_99;
+}
+}
+}
+else
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_161; 
+x_137 = lean_ctor_get(x_17, 0);
+x_138 = lean_ctor_get(x_17, 2);
+x_139 = lean_ctor_get(x_17, 3);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_inc(x_137);
+lean_dec(x_17);
+x_140 = lean_ctor_get(x_18, 0);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_18, 1);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_18, 2);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_18, 3);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_18, 4);
+lean_inc(x_144);
+if (lean_is_exclusive(x_18)) {
+ lean_ctor_release(x_18, 0);
+ lean_ctor_release(x_18, 1);
+ lean_ctor_release(x_18, 2);
+ lean_ctor_release(x_18, 3);
+ lean_ctor_release(x_18, 4);
+ lean_ctor_release(x_18, 5);
+ x_145 = x_18;
+} else {
+ lean_dec_ref(x_18);
+ x_145 = lean_box(0);
+}
+x_146 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_145)) {
+ x_147 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_147 = x_145;
+}
+lean_ctor_set(x_147, 0, x_140);
+lean_ctor_set(x_147, 1, x_141);
+lean_ctor_set(x_147, 2, x_142);
+lean_ctor_set(x_147, 3, x_143);
+lean_ctor_set(x_147, 4, x_144);
+lean_ctor_set(x_147, 5, x_146);
+x_148 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_148, 0, x_137);
+lean_ctor_set(x_148, 1, x_147);
+lean_ctor_set(x_148, 2, x_138);
+lean_ctor_set(x_148, 3, x_139);
+x_149 = lean_st_ref_set(x_6, x_148, x_19);
+x_150 = lean_ctor_get(x_149, 1);
+lean_inc(x_150);
+lean_dec(x_149);
+x_151 = l_Lean_Meta_getResetPostponed(x_5, x_6, x_7, x_8, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_161 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApproxAux(x_1, x_2, x_10, x_5, x_6, x_7, x_8, x_153);
+if (lean_obj_tag(x_161) == 0)
+{
+lean_object* x_162; uint8_t x_163; 
+x_162 = lean_ctor_get(x_161, 0);
+lean_inc(x_162);
+x_163 = lean_unbox(x_162);
+lean_dec(x_162);
+if (x_163 == 0)
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; lean_object* x_169; lean_object* x_170; 
+lean_dec(x_152);
+x_164 = lean_ctor_get(x_161, 1);
+lean_inc(x_164);
+lean_dec(x_161);
+x_165 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_164);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_166 = lean_ctor_get(x_165, 1);
+lean_inc(x_166);
+if (lean_is_exclusive(x_165)) {
+ lean_ctor_release(x_165, 0);
+ lean_ctor_release(x_165, 1);
+ x_167 = x_165;
+} else {
+ lean_dec_ref(x_165);
+ x_167 = lean_box(0);
+}
+x_168 = 0;
+x_169 = lean_box(x_168);
+if (lean_is_scalar(x_167)) {
+ x_170 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_170 = x_167;
+}
+lean_ctor_set(x_170, 0, x_169);
+lean_ctor_set(x_170, 1, x_166);
+return x_170;
+}
+else
+{
+lean_object* x_171; uint8_t x_172; lean_object* x_173; 
+x_171 = lean_ctor_get(x_161, 1);
+lean_inc(x_171);
+lean_dec(x_161);
+x_172 = 0;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_173 = l_Lean_Meta_processPostponed(x_4, x_172, x_5, x_6, x_7, x_8, x_171);
+if (lean_obj_tag(x_173) == 0)
+{
+lean_object* x_174; uint8_t x_175; 
+x_174 = lean_ctor_get(x_173, 0);
+lean_inc(x_174);
+x_175 = lean_unbox(x_174);
+lean_dec(x_174);
+if (x_175 == 0)
+{
+lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+lean_dec(x_152);
+x_176 = lean_ctor_get(x_173, 1);
+lean_inc(x_176);
+lean_dec(x_173);
+x_177 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_176);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_178 = lean_ctor_get(x_177, 1);
+lean_inc(x_178);
+if (lean_is_exclusive(x_177)) {
+ lean_ctor_release(x_177, 0);
+ lean_ctor_release(x_177, 1);
+ x_179 = x_177;
+} else {
+ lean_dec_ref(x_177);
+ x_179 = lean_box(0);
+}
+x_180 = lean_box(x_172);
+if (lean_is_scalar(x_179)) {
+ x_181 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_181 = x_179;
+}
+lean_ctor_set(x_181, 0, x_180);
+lean_ctor_set(x_181, 1, x_178);
+return x_181;
+}
+else
+{
+lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; lean_object* x_191; lean_object* x_192; 
+lean_dec(x_12);
+x_182 = lean_ctor_get(x_173, 1);
+lean_inc(x_182);
+lean_dec(x_173);
+x_183 = l_Lean_Meta_getPostponed___rarg(x_6, x_7, x_8, x_182);
+x_184 = lean_ctor_get(x_183, 0);
+lean_inc(x_184);
+x_185 = lean_ctor_get(x_183, 1);
+lean_inc(x_185);
+lean_dec(x_183);
+x_186 = l_Std_PersistentArray_append___rarg(x_152, x_184);
+x_187 = l_Lean_Meta_setPostponed(x_186, x_5, x_6, x_7, x_8, x_185);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_188 = lean_ctor_get(x_187, 1);
+lean_inc(x_188);
+if (lean_is_exclusive(x_187)) {
+ lean_ctor_release(x_187, 0);
+ lean_ctor_release(x_187, 1);
+ x_189 = x_187;
+} else {
+ lean_dec_ref(x_187);
+ x_189 = lean_box(0);
+}
+x_190 = 1;
+x_191 = lean_box(x_190);
+if (lean_is_scalar(x_189)) {
+ x_192 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_192 = x_189;
+}
+lean_ctor_set(x_192, 0, x_191);
+lean_ctor_set(x_192, 1, x_188);
+return x_192;
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_152);
+x_193 = lean_ctor_get(x_173, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_173, 1);
+lean_inc(x_194);
+lean_dec(x_173);
+x_154 = x_193;
+x_155 = x_194;
+goto block_160;
+}
+}
+}
+else
+{
+lean_object* x_195; lean_object* x_196; 
+lean_dec(x_152);
+x_195 = lean_ctor_get(x_161, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_161, 1);
+lean_inc(x_196);
+lean_dec(x_161);
+x_154 = x_195;
+x_155 = x_196;
+goto block_160;
+}
+block_160:
+{
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
+x_156 = l_Lean_Meta_SavedState_restore(x_12, x_5, x_6, x_7, x_8, x_155);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_12);
+x_157 = lean_ctor_get(x_156, 1);
+lean_inc(x_157);
+if (lean_is_exclusive(x_156)) {
+ lean_ctor_release(x_156, 0);
+ lean_ctor_release(x_156, 1);
+ x_158 = x_156;
+} else {
+ lean_dec_ref(x_156);
+ x_158 = lean_box(0);
+}
+if (lean_is_scalar(x_158)) {
+ x_159 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_159 = x_158;
+ lean_ctor_set_tag(x_159, 1);
+}
+lean_ctor_set(x_159, 0, x_154);
+lean_ctor_set(x_159, 1, x_157);
+return x_159;
 }
 }
 }
@@ -58670,62 +55914,351 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, uint8_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_28; lean_object* x_29; uint8_t x_68; lean_object* x_69; lean_object* x_96; 
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 x_14 = l_Lean_Meta_saveState___rarg(x_10, x_11, x_12, x_13);
 x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
 lean_dec(x_14);
-x_17 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_16);
-x_18 = lean_ctor_get(x_17, 0);
+x_17 = lean_st_ref_get(x_12, x_16);
+x_18 = lean_ctor_get(x_17, 1);
 lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
 lean_dec(x_17);
+x_19 = lean_st_ref_take(x_10, x_18);
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = !lean_is_exclusive(x_20);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_20, 1);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_21);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_41; lean_object* x_42; uint8_t x_81; lean_object* x_82; lean_object* x_109; 
+x_26 = lean_ctor_get(x_21, 5);
+lean_dec(x_26);
+x_27 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_21, 5, x_27);
+x_28 = lean_st_ref_set(x_10, x_20, x_22);
+x_29 = lean_ctor_get(x_28, 1);
+lean_inc(x_29);
+lean_dec(x_28);
+x_30 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_29);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+lean_dec(x_30);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_3);
-x_96 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_19);
-if (lean_obj_tag(x_96) == 0)
+x_109 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_32);
+if (lean_obj_tag(x_109) == 0)
 {
-lean_object* x_97; uint8_t x_98; 
-x_97 = lean_ctor_get(x_96, 0);
-lean_inc(x_97);
-x_98 = lean_unbox(x_97);
-if (x_98 == 0)
+lean_object* x_110; uint8_t x_111; 
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_unbox(x_110);
+if (x_111 == 0)
 {
-lean_object* x_99; uint8_t x_100; 
+lean_object* x_112; uint8_t x_113; 
 lean_dec(x_4);
 lean_dec(x_3);
-x_99 = lean_ctor_get(x_96, 1);
-lean_inc(x_99);
-lean_dec(x_96);
-x_100 = lean_unbox(x_97);
-lean_dec(x_97);
-x_68 = x_100;
-x_69 = x_99;
-goto block_95;
+x_112 = lean_ctor_get(x_109, 1);
+lean_inc(x_112);
+lean_dec(x_109);
+x_113 = lean_unbox(x_110);
+lean_dec(x_110);
+x_81 = x_113;
+x_82 = x_112;
+goto block_108;
 }
 else
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-lean_dec(x_97);
-x_101 = lean_ctor_get(x_96, 1);
-lean_inc(x_101);
-lean_dec(x_96);
-x_102 = l_Lean_Expr_constLevels_x21(x_3);
-x_103 = l_Lean_Expr_constLevels_x21(x_4);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+lean_dec(x_110);
+x_114 = lean_ctor_get(x_109, 1);
+lean_inc(x_114);
+lean_dec(x_109);
+x_115 = l_Lean_Expr_constLevels_x21(x_3);
+x_116 = l_Lean_Expr_constLevels_x21(x_4);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-x_104 = l_Lean_Meta_isListLevelDefEqAux(x_102, x_103, x_9, x_10, x_11, x_12, x_101);
-if (lean_obj_tag(x_104) == 0)
+x_117 = l_Lean_Meta_isListLevelDefEqAux(x_115, x_116, x_9, x_10, x_11, x_12, x_114);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = lean_unbox(x_118);
+lean_dec(x_118);
+x_81 = x_120;
+x_82 = x_119;
+goto block_108;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; 
+lean_dec(x_31);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_121 = lean_ctor_get(x_117, 0);
+lean_inc(x_121);
+x_122 = lean_ctor_get(x_117, 1);
+lean_inc(x_122);
+lean_dec(x_117);
+x_33 = x_121;
+x_34 = x_122;
+goto block_40;
+}
+}
+}
+else
+{
+lean_object* x_123; lean_object* x_124; 
+lean_dec(x_31);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_123 = lean_ctor_get(x_109, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_109, 1);
+lean_inc(x_124);
+lean_dec(x_109);
+x_33 = x_123;
+x_34 = x_124;
+goto block_40;
+}
+block_40:
+{
+lean_object* x_35; uint8_t x_36; 
+x_35 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_34);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
+{
+lean_object* x_37; 
+x_37 = lean_ctor_get(x_35, 0);
+lean_dec(x_37);
+lean_ctor_set_tag(x_35, 1);
+lean_ctor_set(x_35, 0, x_33);
+return x_35;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_dec(x_35);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_33);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+block_80:
+{
+if (x_41 == 0)
+{
+lean_object* x_43; uint8_t x_44; 
+lean_dec(x_31);
+x_43 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_42);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_44 = !lean_is_exclusive(x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_43, 0);
+lean_dec(x_45);
+x_46 = 0;
+x_47 = lean_box(x_46);
+lean_ctor_set(x_43, 0, x_47);
+return x_43;
+}
+else
+{
+lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; 
+x_48 = lean_ctor_get(x_43, 1);
+lean_inc(x_48);
+lean_dec(x_43);
+x_49 = 0;
+x_50 = lean_box(x_49);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_48);
+return x_51;
+}
+}
+else
+{
+uint8_t x_52; lean_object* x_53; 
+x_52 = 0;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_53 = l_Lean_Meta_processPostponed(x_8, x_52, x_9, x_10, x_11, x_12, x_42);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; uint8_t x_55; 
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_unbox(x_54);
+lean_dec(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+lean_dec(x_31);
+x_56 = lean_ctor_get(x_53, 1);
+lean_inc(x_56);
+lean_dec(x_53);
+x_57 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_56);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+x_60 = lean_box(x_52);
+lean_ctor_set(x_57, 0, x_60);
+return x_57;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_57, 1);
+lean_inc(x_61);
+lean_dec(x_57);
+x_62 = lean_box(x_52);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+return x_63;
+}
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_15);
+x_64 = lean_ctor_get(x_53, 1);
+lean_inc(x_64);
+lean_dec(x_53);
+x_65 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_64);
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
+lean_dec(x_65);
+x_68 = l_Std_PersistentArray_append___rarg(x_31, x_66);
+x_69 = l_Lean_Meta_setPostponed(x_68, x_9, x_10, x_11, x_12, x_67);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
+{
+lean_object* x_71; uint8_t x_72; lean_object* x_73; 
+x_71 = lean_ctor_get(x_69, 0);
+lean_dec(x_71);
+x_72 = 1;
+x_73 = lean_box(x_72);
+lean_ctor_set(x_69, 0, x_73);
+return x_69;
+}
+else
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; lean_object* x_77; 
+x_74 = lean_ctor_get(x_69, 1);
+lean_inc(x_74);
+lean_dec(x_69);
+x_75 = 1;
+x_76 = lean_box(x_75);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_74);
+return x_77;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_31);
+x_78 = lean_ctor_get(x_53, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_53, 1);
+lean_inc(x_79);
+lean_dec(x_53);
+x_33 = x_78;
+x_34 = x_79;
+goto block_40;
+}
+}
+}
+block_108:
+{
+if (x_81 == 0)
+{
+uint8_t x_83; lean_object* x_84; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+x_97 = lean_st_ref_get(x_12, x_82);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_98, 3);
+lean_inc(x_99);
+lean_dec(x_98);
+x_100 = lean_ctor_get_uint8(x_99, sizeof(void*)*1);
+lean_dec(x_99);
+if (x_100 == 0)
+{
+lean_object* x_101; uint8_t x_102; 
+x_101 = lean_ctor_get(x_97, 1);
+lean_inc(x_101);
+lean_dec(x_97);
+x_102 = 0;
+x_83 = x_102;
+x_84 = x_101;
+goto block_96;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+x_103 = lean_ctor_get(x_97, 1);
+lean_inc(x_103);
+lean_dec(x_97);
+lean_inc(x_5);
+x_104 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_103);
 x_105 = lean_ctor_get(x_104, 0);
 lean_inc(x_105);
 x_106 = lean_ctor_get(x_104, 1);
@@ -58733,306 +56266,437 @@ lean_inc(x_106);
 lean_dec(x_104);
 x_107 = lean_unbox(x_105);
 lean_dec(x_105);
-x_68 = x_107;
-x_69 = x_106;
-goto block_95;
+x_83 = x_107;
+x_84 = x_106;
+goto block_96;
 }
-else
+block_96:
+{
+if (x_83 == 0)
 {
-lean_object* x_108; lean_object* x_109; 
-lean_dec(x_18);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_108 = lean_ctor_get(x_104, 0);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_104, 1);
-lean_inc(x_109);
-lean_dec(x_104);
-x_20 = x_108;
-x_21 = x_109;
-goto block_27;
+x_41 = x_81;
+x_42 = x_84;
+goto block_80;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_85 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_85, 0, x_1);
+x_86 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_87 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set(x_87, 1, x_85);
+x_88 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_89 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+x_90 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_90, 0, x_2);
+x_91 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_91, 0, x_89);
+lean_ctor_set(x_91, 1, x_90);
+x_92 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_93 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+x_94 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_93, x_9, x_10, x_11, x_12, x_84);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+lean_dec(x_94);
+x_41 = x_81;
+x_42 = x_95;
+goto block_80;
 }
 }
 }
 else
 {
-lean_object* x_110; lean_object* x_111; 
-lean_dec(x_18);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = x_81;
+x_42 = x_82;
+goto block_80;
+}
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_144; lean_object* x_145; uint8_t x_176; lean_object* x_177; lean_object* x_204; 
+x_125 = lean_ctor_get(x_21, 0);
+x_126 = lean_ctor_get(x_21, 1);
+x_127 = lean_ctor_get(x_21, 2);
+x_128 = lean_ctor_get(x_21, 3);
+x_129 = lean_ctor_get(x_21, 4);
+lean_inc(x_129);
+lean_inc(x_128);
+lean_inc(x_127);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_dec(x_21);
+x_130 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_131 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_131, 0, x_125);
+lean_ctor_set(x_131, 1, x_126);
+lean_ctor_set(x_131, 2, x_127);
+lean_ctor_set(x_131, 3, x_128);
+lean_ctor_set(x_131, 4, x_129);
+lean_ctor_set(x_131, 5, x_130);
+lean_ctor_set(x_20, 1, x_131);
+x_132 = lean_st_ref_set(x_10, x_20, x_22);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_133);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_3);
+x_204 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_136);
+if (lean_obj_tag(x_204) == 0)
+{
+lean_object* x_205; uint8_t x_206; 
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_unbox(x_205);
+if (x_206 == 0)
+{
+lean_object* x_207; uint8_t x_208; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_207 = lean_ctor_get(x_204, 1);
+lean_inc(x_207);
+lean_dec(x_204);
+x_208 = lean_unbox(x_205);
+lean_dec(x_205);
+x_176 = x_208;
+x_177 = x_207;
+goto block_203;
+}
+else
+{
+lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
+lean_dec(x_205);
+x_209 = lean_ctor_get(x_204, 1);
+lean_inc(x_209);
+lean_dec(x_204);
+x_210 = l_Lean_Expr_constLevels_x21(x_3);
+x_211 = l_Lean_Expr_constLevels_x21(x_4);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_212 = l_Lean_Meta_isListLevelDefEqAux(x_210, x_211, x_9, x_10, x_11, x_12, x_209);
+if (lean_obj_tag(x_212) == 0)
+{
+lean_object* x_213; lean_object* x_214; uint8_t x_215; 
+x_213 = lean_ctor_get(x_212, 0);
+lean_inc(x_213);
+x_214 = lean_ctor_get(x_212, 1);
+lean_inc(x_214);
+lean_dec(x_212);
+x_215 = lean_unbox(x_213);
+lean_dec(x_213);
+x_176 = x_215;
+x_177 = x_214;
+goto block_203;
+}
+else
+{
+lean_object* x_216; lean_object* x_217; 
+lean_dec(x_135);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_216 = lean_ctor_get(x_212, 0);
+lean_inc(x_216);
+x_217 = lean_ctor_get(x_212, 1);
+lean_inc(x_217);
+lean_dec(x_212);
+x_137 = x_216;
+x_138 = x_217;
+goto block_143;
+}
+}
+}
+else
+{
+lean_object* x_218; lean_object* x_219; 
+lean_dec(x_135);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_110 = lean_ctor_get(x_96, 0);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_96, 1);
-lean_inc(x_111);
-lean_dec(x_96);
-x_20 = x_110;
-x_21 = x_111;
-goto block_27;
+x_218 = lean_ctor_get(x_204, 0);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_204, 1);
+lean_inc(x_219);
+lean_dec(x_204);
+x_137 = x_218;
+x_138 = x_219;
+goto block_143;
 }
-block_27:
+block_143:
 {
-lean_object* x_22; uint8_t x_23; 
-x_22 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_21);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_139 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_138);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-lean_ctor_set_tag(x_22, 1);
-lean_ctor_set(x_22, 0, x_20);
-return x_22;
+lean_dec(x_15);
+x_140 = lean_ctor_get(x_139, 1);
+lean_inc(x_140);
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_141 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_141 = lean_box(0);
 }
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_22, 1);
-lean_inc(x_25);
-lean_dec(x_22);
-x_26 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_26, 0, x_20);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
+if (lean_is_scalar(x_141)) {
+ x_142 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_142 = x_141;
+ lean_ctor_set_tag(x_142, 1);
 }
+lean_ctor_set(x_142, 0, x_137);
+lean_ctor_set(x_142, 1, x_140);
+return x_142;
 }
-block_67:
+block_175:
 {
-if (x_28 == 0)
+if (x_144 == 0)
 {
-lean_object* x_30; uint8_t x_31; 
-lean_dec(x_18);
-x_30 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_29);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; uint8_t x_149; lean_object* x_150; lean_object* x_151; 
+lean_dec(x_135);
+x_146 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_145);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_31 = !lean_is_exclusive(x_30);
-if (x_31 == 0)
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_30, 0);
-lean_dec(x_32);
-x_33 = 0;
-x_34 = lean_box(x_33);
-lean_ctor_set(x_30, 0, x_34);
-return x_30;
+lean_dec(x_15);
+x_147 = lean_ctor_get(x_146, 1);
+lean_inc(x_147);
+if (lean_is_exclusive(x_146)) {
+ lean_ctor_release(x_146, 0);
+ lean_ctor_release(x_146, 1);
+ x_148 = x_146;
+} else {
+ lean_dec_ref(x_146);
+ x_148 = lean_box(0);
+}
+x_149 = 0;
+x_150 = lean_box(x_149);
+if (lean_is_scalar(x_148)) {
+ x_151 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_151 = x_148;
+}
+lean_ctor_set(x_151, 0, x_150);
+lean_ctor_set(x_151, 1, x_147);
+return x_151;
 }
 else
 {
-lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; 
-x_35 = lean_ctor_get(x_30, 1);
-lean_inc(x_35);
-lean_dec(x_30);
-x_36 = 0;
-x_37 = lean_box(x_36);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_37);
-lean_ctor_set(x_38, 1, x_35);
-return x_38;
-}
-}
-else
-{
-uint8_t x_39; lean_object* x_40; 
-x_39 = 0;
+uint8_t x_152; lean_object* x_153; 
+x_152 = 0;
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-x_40 = l_Lean_Meta_processPostponed(x_8, x_39, x_9, x_10, x_11, x_12, x_29);
-if (lean_obj_tag(x_40) == 0)
+x_153 = l_Lean_Meta_processPostponed(x_8, x_152, x_9, x_10, x_11, x_12, x_145);
+if (lean_obj_tag(x_153) == 0)
 {
-lean_object* x_41; uint8_t x_42; 
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_unbox(x_41);
-lean_dec(x_41);
-if (x_42 == 0)
+lean_object* x_154; uint8_t x_155; 
+x_154 = lean_ctor_get(x_153, 0);
+lean_inc(x_154);
+x_155 = lean_unbox(x_154);
+lean_dec(x_154);
+if (x_155 == 0)
 {
-lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-lean_dec(x_18);
-x_43 = lean_ctor_get(x_40, 1);
-lean_inc(x_43);
-lean_dec(x_40);
-x_44 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_43);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+lean_dec(x_135);
+x_156 = lean_ctor_get(x_153, 1);
+lean_inc(x_156);
+lean_dec(x_153);
+x_157 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_156);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_45 = !lean_is_exclusive(x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_44, 0);
-lean_dec(x_46);
-x_47 = lean_box(x_39);
-lean_ctor_set(x_44, 0, x_47);
-return x_44;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_44, 1);
-lean_inc(x_48);
-lean_dec(x_44);
-x_49 = lean_box(x_39);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
 lean_dec(x_15);
-x_51 = lean_ctor_get(x_40, 1);
-lean_inc(x_51);
-lean_dec(x_40);
-x_52 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
-lean_inc(x_54);
-lean_dec(x_52);
-x_55 = l_Std_PersistentArray_append___rarg(x_18, x_53);
-x_56 = l_Lean_Meta_setPostponed(x_55, x_9, x_10, x_11, x_12, x_54);
+x_158 = lean_ctor_get(x_157, 1);
+lean_inc(x_158);
+if (lean_is_exclusive(x_157)) {
+ lean_ctor_release(x_157, 0);
+ lean_ctor_release(x_157, 1);
+ x_159 = x_157;
+} else {
+ lean_dec_ref(x_157);
+ x_159 = lean_box(0);
+}
+x_160 = lean_box(x_152);
+if (lean_is_scalar(x_159)) {
+ x_161 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_161 = x_159;
+}
+lean_ctor_set(x_161, 0, x_160);
+lean_ctor_set(x_161, 1, x_158);
+return x_161;
+}
+else
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; uint8_t x_170; lean_object* x_171; lean_object* x_172; 
+lean_dec(x_15);
+x_162 = lean_ctor_get(x_153, 1);
+lean_inc(x_162);
+lean_dec(x_153);
+x_163 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_162);
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_163, 1);
+lean_inc(x_165);
+lean_dec(x_163);
+x_166 = l_Std_PersistentArray_append___rarg(x_135, x_164);
+x_167 = l_Lean_Meta_setPostponed(x_166, x_9, x_10, x_11, x_12, x_165);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
-{
-lean_object* x_58; uint8_t x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-lean_dec(x_58);
-x_59 = 1;
-x_60 = lean_box(x_59);
-lean_ctor_set(x_56, 0, x_60);
-return x_56;
+x_168 = lean_ctor_get(x_167, 1);
+lean_inc(x_168);
+if (lean_is_exclusive(x_167)) {
+ lean_ctor_release(x_167, 0);
+ lean_ctor_release(x_167, 1);
+ x_169 = x_167;
+} else {
+ lean_dec_ref(x_167);
+ x_169 = lean_box(0);
 }
-else
-{
-lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; 
-x_61 = lean_ctor_get(x_56, 1);
-lean_inc(x_61);
-lean_dec(x_56);
-x_62 = 1;
-x_63 = lean_box(x_62);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_61);
-return x_64;
+x_170 = 1;
+x_171 = lean_box(x_170);
+if (lean_is_scalar(x_169)) {
+ x_172 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_172 = x_169;
 }
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_168);
+return x_172;
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_18);
-x_65 = lean_ctor_get(x_40, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_40, 1);
-lean_inc(x_66);
-lean_dec(x_40);
-x_20 = x_65;
-x_21 = x_66;
-goto block_27;
+lean_object* x_173; lean_object* x_174; 
+lean_dec(x_135);
+x_173 = lean_ctor_get(x_153, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_153, 1);
+lean_inc(x_174);
+lean_dec(x_153);
+x_137 = x_173;
+x_138 = x_174;
+goto block_143;
 }
 }
 }
-block_95:
+block_203:
 {
-if (x_68 == 0)
+if (x_176 == 0)
 {
-uint8_t x_70; lean_object* x_71; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
-x_84 = lean_st_ref_get(x_12, x_69);
-x_85 = lean_ctor_get(x_84, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_85, 3);
-lean_inc(x_86);
-lean_dec(x_85);
-x_87 = lean_ctor_get_uint8(x_86, sizeof(void*)*1);
-lean_dec(x_86);
-if (x_87 == 0)
+uint8_t x_178; lean_object* x_179; lean_object* x_192; lean_object* x_193; lean_object* x_194; uint8_t x_195; 
+x_192 = lean_st_ref_get(x_12, x_177);
+x_193 = lean_ctor_get(x_192, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_193, 3);
+lean_inc(x_194);
+lean_dec(x_193);
+x_195 = lean_ctor_get_uint8(x_194, sizeof(void*)*1);
+lean_dec(x_194);
+if (x_195 == 0)
 {
-lean_object* x_88; uint8_t x_89; 
-x_88 = lean_ctor_get(x_84, 1);
-lean_inc(x_88);
-lean_dec(x_84);
-x_89 = 0;
-x_70 = x_89;
-x_71 = x_88;
-goto block_83;
+lean_object* x_196; uint8_t x_197; 
+x_196 = lean_ctor_get(x_192, 1);
+lean_inc(x_196);
+lean_dec(x_192);
+x_197 = 0;
+x_178 = x_197;
+x_179 = x_196;
+goto block_191;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
-x_90 = lean_ctor_get(x_84, 1);
-lean_inc(x_90);
-lean_dec(x_84);
+lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; uint8_t x_202; 
+x_198 = lean_ctor_get(x_192, 1);
+lean_inc(x_198);
+lean_dec(x_192);
 lean_inc(x_5);
-x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_90);
-x_92 = lean_ctor_get(x_91, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 1);
-lean_inc(x_93);
-lean_dec(x_91);
-x_94 = lean_unbox(x_92);
-lean_dec(x_92);
-x_70 = x_94;
-x_71 = x_93;
-goto block_83;
+x_199 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_198);
+x_200 = lean_ctor_get(x_199, 0);
+lean_inc(x_200);
+x_201 = lean_ctor_get(x_199, 1);
+lean_inc(x_201);
+lean_dec(x_199);
+x_202 = lean_unbox(x_200);
+lean_dec(x_200);
+x_178 = x_202;
+x_179 = x_201;
+goto block_191;
 }
-block_83:
+block_191:
 {
-if (x_70 == 0)
+if (x_178 == 0)
 {
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_28 = x_68;
-x_29 = x_71;
-goto block_67;
+x_144 = x_176;
+x_145 = x_179;
+goto block_175;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_72 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_72, 0, x_1);
-x_73 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
-x_74 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_72);
-x_75 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_76 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_76, 0, x_74);
-lean_ctor_set(x_76, 1, x_75);
-x_77 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_77, 0, x_2);
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-x_79 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-x_81 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_80, x_9, x_10, x_11, x_12, x_71);
-x_82 = lean_ctor_get(x_81, 1);
-lean_inc(x_82);
-lean_dec(x_81);
-x_28 = x_68;
-x_29 = x_82;
-goto block_67;
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; 
+x_180 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_180, 0, x_1);
+x_181 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_182 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_182, 0, x_181);
+lean_ctor_set(x_182, 1, x_180);
+x_183 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_184 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_184, 0, x_182);
+lean_ctor_set(x_184, 1, x_183);
+x_185 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_185, 0, x_2);
+x_186 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_186, 0, x_184);
+lean_ctor_set(x_186, 1, x_185);
+x_187 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_188 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_188, 0, x_186);
+lean_ctor_set(x_188, 1, x_187);
+x_189 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_188, x_9, x_10, x_11, x_12, x_179);
+x_190 = lean_ctor_get(x_189, 1);
+lean_inc(x_190);
+lean_dec(x_189);
+x_144 = x_176;
+x_145 = x_190;
+goto block_175;
 }
 }
 }
@@ -59041,9 +56705,424 @@ else
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_28 = x_68;
-x_29 = x_69;
-goto block_67;
+x_144 = x_176;
+x_145 = x_177;
+goto block_175;
+}
+}
+}
+}
+else
+{
+lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_244; lean_object* x_245; uint8_t x_276; lean_object* x_277; lean_object* x_304; 
+x_220 = lean_ctor_get(x_20, 0);
+x_221 = lean_ctor_get(x_20, 2);
+x_222 = lean_ctor_get(x_20, 3);
+lean_inc(x_222);
+lean_inc(x_221);
+lean_inc(x_220);
+lean_dec(x_20);
+x_223 = lean_ctor_get(x_21, 0);
+lean_inc(x_223);
+x_224 = lean_ctor_get(x_21, 1);
+lean_inc(x_224);
+x_225 = lean_ctor_get(x_21, 2);
+lean_inc(x_225);
+x_226 = lean_ctor_get(x_21, 3);
+lean_inc(x_226);
+x_227 = lean_ctor_get(x_21, 4);
+lean_inc(x_227);
+if (lean_is_exclusive(x_21)) {
+ lean_ctor_release(x_21, 0);
+ lean_ctor_release(x_21, 1);
+ lean_ctor_release(x_21, 2);
+ lean_ctor_release(x_21, 3);
+ lean_ctor_release(x_21, 4);
+ lean_ctor_release(x_21, 5);
+ x_228 = x_21;
+} else {
+ lean_dec_ref(x_21);
+ x_228 = lean_box(0);
+}
+x_229 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_228)) {
+ x_230 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_230 = x_228;
+}
+lean_ctor_set(x_230, 0, x_223);
+lean_ctor_set(x_230, 1, x_224);
+lean_ctor_set(x_230, 2, x_225);
+lean_ctor_set(x_230, 3, x_226);
+lean_ctor_set(x_230, 4, x_227);
+lean_ctor_set(x_230, 5, x_229);
+x_231 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_231, 0, x_220);
+lean_ctor_set(x_231, 1, x_230);
+lean_ctor_set(x_231, 2, x_221);
+lean_ctor_set(x_231, 3, x_222);
+x_232 = lean_st_ref_set(x_10, x_231, x_22);
+x_233 = lean_ctor_get(x_232, 1);
+lean_inc(x_233);
+lean_dec(x_232);
+x_234 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_233);
+x_235 = lean_ctor_get(x_234, 0);
+lean_inc(x_235);
+x_236 = lean_ctor_get(x_234, 1);
+lean_inc(x_236);
+lean_dec(x_234);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_3);
+x_304 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_236);
+if (lean_obj_tag(x_304) == 0)
+{
+lean_object* x_305; uint8_t x_306; 
+x_305 = lean_ctor_get(x_304, 0);
+lean_inc(x_305);
+x_306 = lean_unbox(x_305);
+if (x_306 == 0)
+{
+lean_object* x_307; uint8_t x_308; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_307 = lean_ctor_get(x_304, 1);
+lean_inc(x_307);
+lean_dec(x_304);
+x_308 = lean_unbox(x_305);
+lean_dec(x_305);
+x_276 = x_308;
+x_277 = x_307;
+goto block_303;
+}
+else
+{
+lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; 
+lean_dec(x_305);
+x_309 = lean_ctor_get(x_304, 1);
+lean_inc(x_309);
+lean_dec(x_304);
+x_310 = l_Lean_Expr_constLevels_x21(x_3);
+x_311 = l_Lean_Expr_constLevels_x21(x_4);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_312 = l_Lean_Meta_isListLevelDefEqAux(x_310, x_311, x_9, x_10, x_11, x_12, x_309);
+if (lean_obj_tag(x_312) == 0)
+{
+lean_object* x_313; lean_object* x_314; uint8_t x_315; 
+x_313 = lean_ctor_get(x_312, 0);
+lean_inc(x_313);
+x_314 = lean_ctor_get(x_312, 1);
+lean_inc(x_314);
+lean_dec(x_312);
+x_315 = lean_unbox(x_313);
+lean_dec(x_313);
+x_276 = x_315;
+x_277 = x_314;
+goto block_303;
+}
+else
+{
+lean_object* x_316; lean_object* x_317; 
+lean_dec(x_235);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_316 = lean_ctor_get(x_312, 0);
+lean_inc(x_316);
+x_317 = lean_ctor_get(x_312, 1);
+lean_inc(x_317);
+lean_dec(x_312);
+x_237 = x_316;
+x_238 = x_317;
+goto block_243;
+}
+}
+}
+else
+{
+lean_object* x_318; lean_object* x_319; 
+lean_dec(x_235);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_318 = lean_ctor_get(x_304, 0);
+lean_inc(x_318);
+x_319 = lean_ctor_get(x_304, 1);
+lean_inc(x_319);
+lean_dec(x_304);
+x_237 = x_318;
+x_238 = x_319;
+goto block_243;
+}
+block_243:
+{
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
+x_239 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_238);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_240 = lean_ctor_get(x_239, 1);
+lean_inc(x_240);
+if (lean_is_exclusive(x_239)) {
+ lean_ctor_release(x_239, 0);
+ lean_ctor_release(x_239, 1);
+ x_241 = x_239;
+} else {
+ lean_dec_ref(x_239);
+ x_241 = lean_box(0);
+}
+if (lean_is_scalar(x_241)) {
+ x_242 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_242 = x_241;
+ lean_ctor_set_tag(x_242, 1);
+}
+lean_ctor_set(x_242, 0, x_237);
+lean_ctor_set(x_242, 1, x_240);
+return x_242;
+}
+block_275:
+{
+if (x_244 == 0)
+{
+lean_object* x_246; lean_object* x_247; lean_object* x_248; uint8_t x_249; lean_object* x_250; lean_object* x_251; 
+lean_dec(x_235);
+x_246 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_245);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_247 = lean_ctor_get(x_246, 1);
+lean_inc(x_247);
+if (lean_is_exclusive(x_246)) {
+ lean_ctor_release(x_246, 0);
+ lean_ctor_release(x_246, 1);
+ x_248 = x_246;
+} else {
+ lean_dec_ref(x_246);
+ x_248 = lean_box(0);
+}
+x_249 = 0;
+x_250 = lean_box(x_249);
+if (lean_is_scalar(x_248)) {
+ x_251 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_251 = x_248;
+}
+lean_ctor_set(x_251, 0, x_250);
+lean_ctor_set(x_251, 1, x_247);
+return x_251;
+}
+else
+{
+uint8_t x_252; lean_object* x_253; 
+x_252 = 0;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_253 = l_Lean_Meta_processPostponed(x_8, x_252, x_9, x_10, x_11, x_12, x_245);
+if (lean_obj_tag(x_253) == 0)
+{
+lean_object* x_254; uint8_t x_255; 
+x_254 = lean_ctor_get(x_253, 0);
+lean_inc(x_254);
+x_255 = lean_unbox(x_254);
+lean_dec(x_254);
+if (x_255 == 0)
+{
+lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+lean_dec(x_235);
+x_256 = lean_ctor_get(x_253, 1);
+lean_inc(x_256);
+lean_dec(x_253);
+x_257 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_256);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_258 = lean_ctor_get(x_257, 1);
+lean_inc(x_258);
+if (lean_is_exclusive(x_257)) {
+ lean_ctor_release(x_257, 0);
+ lean_ctor_release(x_257, 1);
+ x_259 = x_257;
+} else {
+ lean_dec_ref(x_257);
+ x_259 = lean_box(0);
+}
+x_260 = lean_box(x_252);
+if (lean_is_scalar(x_259)) {
+ x_261 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_261 = x_259;
+}
+lean_ctor_set(x_261, 0, x_260);
+lean_ctor_set(x_261, 1, x_258);
+return x_261;
+}
+else
+{
+lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; uint8_t x_270; lean_object* x_271; lean_object* x_272; 
+lean_dec(x_15);
+x_262 = lean_ctor_get(x_253, 1);
+lean_inc(x_262);
+lean_dec(x_253);
+x_263 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_262);
+x_264 = lean_ctor_get(x_263, 0);
+lean_inc(x_264);
+x_265 = lean_ctor_get(x_263, 1);
+lean_inc(x_265);
+lean_dec(x_263);
+x_266 = l_Std_PersistentArray_append___rarg(x_235, x_264);
+x_267 = l_Lean_Meta_setPostponed(x_266, x_9, x_10, x_11, x_12, x_265);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_268 = lean_ctor_get(x_267, 1);
+lean_inc(x_268);
+if (lean_is_exclusive(x_267)) {
+ lean_ctor_release(x_267, 0);
+ lean_ctor_release(x_267, 1);
+ x_269 = x_267;
+} else {
+ lean_dec_ref(x_267);
+ x_269 = lean_box(0);
+}
+x_270 = 1;
+x_271 = lean_box(x_270);
+if (lean_is_scalar(x_269)) {
+ x_272 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_272 = x_269;
+}
+lean_ctor_set(x_272, 0, x_271);
+lean_ctor_set(x_272, 1, x_268);
+return x_272;
+}
+}
+else
+{
+lean_object* x_273; lean_object* x_274; 
+lean_dec(x_235);
+x_273 = lean_ctor_get(x_253, 0);
+lean_inc(x_273);
+x_274 = lean_ctor_get(x_253, 1);
+lean_inc(x_274);
+lean_dec(x_253);
+x_237 = x_273;
+x_238 = x_274;
+goto block_243;
+}
+}
+}
+block_303:
+{
+if (x_276 == 0)
+{
+uint8_t x_278; lean_object* x_279; lean_object* x_292; lean_object* x_293; lean_object* x_294; uint8_t x_295; 
+x_292 = lean_st_ref_get(x_12, x_277);
+x_293 = lean_ctor_get(x_292, 0);
+lean_inc(x_293);
+x_294 = lean_ctor_get(x_293, 3);
+lean_inc(x_294);
+lean_dec(x_293);
+x_295 = lean_ctor_get_uint8(x_294, sizeof(void*)*1);
+lean_dec(x_294);
+if (x_295 == 0)
+{
+lean_object* x_296; uint8_t x_297; 
+x_296 = lean_ctor_get(x_292, 1);
+lean_inc(x_296);
+lean_dec(x_292);
+x_297 = 0;
+x_278 = x_297;
+x_279 = x_296;
+goto block_291;
+}
+else
+{
+lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; uint8_t x_302; 
+x_298 = lean_ctor_get(x_292, 1);
+lean_inc(x_298);
+lean_dec(x_292);
+lean_inc(x_5);
+x_299 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_298);
+x_300 = lean_ctor_get(x_299, 0);
+lean_inc(x_300);
+x_301 = lean_ctor_get(x_299, 1);
+lean_inc(x_301);
+lean_dec(x_299);
+x_302 = lean_unbox(x_300);
+lean_dec(x_300);
+x_278 = x_302;
+x_279 = x_301;
+goto block_291;
+}
+block_291:
+{
+if (x_278 == 0)
+{
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_244 = x_276;
+x_245 = x_279;
+goto block_275;
+}
+else
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; 
+x_280 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_280, 0, x_1);
+x_281 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_282 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_282, 0, x_281);
+lean_ctor_set(x_282, 1, x_280);
+x_283 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_284 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_284, 0, x_282);
+lean_ctor_set(x_284, 1, x_283);
+x_285 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_285, 0, x_2);
+x_286 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_286, 0, x_284);
+lean_ctor_set(x_286, 1, x_285);
+x_287 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_288 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_288, 0, x_286);
+lean_ctor_set(x_288, 1, x_287);
+x_289 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_288, x_9, x_10, x_11, x_12, x_279);
+x_290 = lean_ctor_get(x_289, 1);
+lean_inc(x_290);
+lean_dec(x_289);
+x_244 = x_276;
+x_245 = x_290;
+goto block_275;
+}
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_244 = x_276;
+x_245 = x_277;
+goto block_275;
+}
 }
 }
 }
@@ -59051,62 +57130,351 @@ goto block_67;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, uint8_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_28; lean_object* x_29; uint8_t x_68; lean_object* x_69; lean_object* x_96; 
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 x_14 = l_Lean_Meta_saveState___rarg(x_10, x_11, x_12, x_13);
 x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_14, 1);
 lean_inc(x_16);
 lean_dec(x_14);
-x_17 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_16);
-x_18 = lean_ctor_get(x_17, 0);
+x_17 = lean_st_ref_get(x_12, x_16);
+x_18 = lean_ctor_get(x_17, 1);
 lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
 lean_dec(x_17);
+x_19 = lean_st_ref_take(x_10, x_18);
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = !lean_is_exclusive(x_20);
+if (x_23 == 0)
+{
+lean_object* x_24; uint8_t x_25; 
+x_24 = lean_ctor_get(x_20, 1);
+lean_dec(x_24);
+x_25 = !lean_is_exclusive(x_21);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_41; lean_object* x_42; uint8_t x_81; lean_object* x_82; lean_object* x_109; 
+x_26 = lean_ctor_get(x_21, 5);
+lean_dec(x_26);
+x_27 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_21, 5, x_27);
+x_28 = lean_st_ref_set(x_10, x_20, x_22);
+x_29 = lean_ctor_get(x_28, 1);
+lean_inc(x_29);
+lean_dec(x_28);
+x_30 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_29);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+lean_dec(x_30);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_3);
-x_96 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_19);
-if (lean_obj_tag(x_96) == 0)
+x_109 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_32);
+if (lean_obj_tag(x_109) == 0)
 {
-lean_object* x_97; uint8_t x_98; 
-x_97 = lean_ctor_get(x_96, 0);
-lean_inc(x_97);
-x_98 = lean_unbox(x_97);
-if (x_98 == 0)
+lean_object* x_110; uint8_t x_111; 
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_unbox(x_110);
+if (x_111 == 0)
 {
-lean_object* x_99; uint8_t x_100; 
+lean_object* x_112; uint8_t x_113; 
 lean_dec(x_4);
 lean_dec(x_3);
-x_99 = lean_ctor_get(x_96, 1);
-lean_inc(x_99);
-lean_dec(x_96);
-x_100 = lean_unbox(x_97);
-lean_dec(x_97);
-x_68 = x_100;
-x_69 = x_99;
-goto block_95;
+x_112 = lean_ctor_get(x_109, 1);
+lean_inc(x_112);
+lean_dec(x_109);
+x_113 = lean_unbox(x_110);
+lean_dec(x_110);
+x_81 = x_113;
+x_82 = x_112;
+goto block_108;
 }
 else
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-lean_dec(x_97);
-x_101 = lean_ctor_get(x_96, 1);
-lean_inc(x_101);
-lean_dec(x_96);
-x_102 = l_Lean_Expr_constLevels_x21(x_3);
-x_103 = l_Lean_Expr_constLevels_x21(x_4);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+lean_dec(x_110);
+x_114 = lean_ctor_get(x_109, 1);
+lean_inc(x_114);
+lean_dec(x_109);
+x_115 = l_Lean_Expr_constLevels_x21(x_3);
+x_116 = l_Lean_Expr_constLevels_x21(x_4);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-x_104 = l_Lean_Meta_isListLevelDefEqAux(x_102, x_103, x_9, x_10, x_11, x_12, x_101);
-if (lean_obj_tag(x_104) == 0)
+x_117 = l_Lean_Meta_isListLevelDefEqAux(x_115, x_116, x_9, x_10, x_11, x_12, x_114);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = lean_unbox(x_118);
+lean_dec(x_118);
+x_81 = x_120;
+x_82 = x_119;
+goto block_108;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; 
+lean_dec(x_31);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_121 = lean_ctor_get(x_117, 0);
+lean_inc(x_121);
+x_122 = lean_ctor_get(x_117, 1);
+lean_inc(x_122);
+lean_dec(x_117);
+x_33 = x_121;
+x_34 = x_122;
+goto block_40;
+}
+}
+}
+else
+{
+lean_object* x_123; lean_object* x_124; 
+lean_dec(x_31);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_123 = lean_ctor_get(x_109, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_109, 1);
+lean_inc(x_124);
+lean_dec(x_109);
+x_33 = x_123;
+x_34 = x_124;
+goto block_40;
+}
+block_40:
+{
+lean_object* x_35; uint8_t x_36; 
+x_35 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_34);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
+{
+lean_object* x_37; 
+x_37 = lean_ctor_get(x_35, 0);
+lean_dec(x_37);
+lean_ctor_set_tag(x_35, 1);
+lean_ctor_set(x_35, 0, x_33);
+return x_35;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_dec(x_35);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_33);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+block_80:
+{
+if (x_41 == 0)
+{
+lean_object* x_43; uint8_t x_44; 
+lean_dec(x_31);
+x_43 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_42);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_44 = !lean_is_exclusive(x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_43, 0);
+lean_dec(x_45);
+x_46 = 0;
+x_47 = lean_box(x_46);
+lean_ctor_set(x_43, 0, x_47);
+return x_43;
+}
+else
+{
+lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; 
+x_48 = lean_ctor_get(x_43, 1);
+lean_inc(x_48);
+lean_dec(x_43);
+x_49 = 0;
+x_50 = lean_box(x_49);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_48);
+return x_51;
+}
+}
+else
+{
+uint8_t x_52; lean_object* x_53; 
+x_52 = 0;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_53 = l_Lean_Meta_processPostponed(x_8, x_52, x_9, x_10, x_11, x_12, x_42);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; uint8_t x_55; 
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_unbox(x_54);
+lean_dec(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+lean_dec(x_31);
+x_56 = lean_ctor_get(x_53, 1);
+lean_inc(x_56);
+lean_dec(x_53);
+x_57 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_56);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; lean_object* x_60; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+x_60 = lean_box(x_52);
+lean_ctor_set(x_57, 0, x_60);
+return x_57;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_57, 1);
+lean_inc(x_61);
+lean_dec(x_57);
+x_62 = lean_box(x_52);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+return x_63;
+}
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_dec(x_15);
+x_64 = lean_ctor_get(x_53, 1);
+lean_inc(x_64);
+lean_dec(x_53);
+x_65 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_64);
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
+lean_dec(x_65);
+x_68 = l_Std_PersistentArray_append___rarg(x_31, x_66);
+x_69 = l_Lean_Meta_setPostponed(x_68, x_9, x_10, x_11, x_12, x_67);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
+{
+lean_object* x_71; uint8_t x_72; lean_object* x_73; 
+x_71 = lean_ctor_get(x_69, 0);
+lean_dec(x_71);
+x_72 = 1;
+x_73 = lean_box(x_72);
+lean_ctor_set(x_69, 0, x_73);
+return x_69;
+}
+else
+{
+lean_object* x_74; uint8_t x_75; lean_object* x_76; lean_object* x_77; 
+x_74 = lean_ctor_get(x_69, 1);
+lean_inc(x_74);
+lean_dec(x_69);
+x_75 = 1;
+x_76 = lean_box(x_75);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_74);
+return x_77;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_31);
+x_78 = lean_ctor_get(x_53, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_53, 1);
+lean_inc(x_79);
+lean_dec(x_53);
+x_33 = x_78;
+x_34 = x_79;
+goto block_40;
+}
+}
+}
+block_108:
+{
+if (x_81 == 0)
+{
+uint8_t x_83; lean_object* x_84; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+x_97 = lean_st_ref_get(x_12, x_82);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_98, 3);
+lean_inc(x_99);
+lean_dec(x_98);
+x_100 = lean_ctor_get_uint8(x_99, sizeof(void*)*1);
+lean_dec(x_99);
+if (x_100 == 0)
+{
+lean_object* x_101; uint8_t x_102; 
+x_101 = lean_ctor_get(x_97, 1);
+lean_inc(x_101);
+lean_dec(x_97);
+x_102 = 0;
+x_83 = x_102;
+x_84 = x_101;
+goto block_96;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
+x_103 = lean_ctor_get(x_97, 1);
+lean_inc(x_103);
+lean_dec(x_97);
+lean_inc(x_5);
+x_104 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_103);
 x_105 = lean_ctor_get(x_104, 0);
 lean_inc(x_105);
 x_106 = lean_ctor_get(x_104, 1);
@@ -59114,306 +57482,437 @@ lean_inc(x_106);
 lean_dec(x_104);
 x_107 = lean_unbox(x_105);
 lean_dec(x_105);
-x_68 = x_107;
-x_69 = x_106;
-goto block_95;
+x_83 = x_107;
+x_84 = x_106;
+goto block_96;
 }
-else
+block_96:
+{
+if (x_83 == 0)
 {
-lean_object* x_108; lean_object* x_109; 
-lean_dec(x_18);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_108 = lean_ctor_get(x_104, 0);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_104, 1);
-lean_inc(x_109);
-lean_dec(x_104);
-x_20 = x_108;
-x_21 = x_109;
-goto block_27;
+x_41 = x_81;
+x_42 = x_84;
+goto block_80;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_85 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_85, 0, x_1);
+x_86 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_87 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set(x_87, 1, x_85);
+x_88 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_89 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+x_90 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_90, 0, x_2);
+x_91 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_91, 0, x_89);
+lean_ctor_set(x_91, 1, x_90);
+x_92 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_93 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+x_94 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_93, x_9, x_10, x_11, x_12, x_84);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+lean_dec(x_94);
+x_41 = x_81;
+x_42 = x_95;
+goto block_80;
 }
 }
 }
 else
 {
-lean_object* x_110; lean_object* x_111; 
-lean_dec(x_18);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = x_81;
+x_42 = x_82;
+goto block_80;
+}
+}
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_144; lean_object* x_145; uint8_t x_176; lean_object* x_177; lean_object* x_204; 
+x_125 = lean_ctor_get(x_21, 0);
+x_126 = lean_ctor_get(x_21, 1);
+x_127 = lean_ctor_get(x_21, 2);
+x_128 = lean_ctor_get(x_21, 3);
+x_129 = lean_ctor_get(x_21, 4);
+lean_inc(x_129);
+lean_inc(x_128);
+lean_inc(x_127);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_dec(x_21);
+x_130 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_131 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_131, 0, x_125);
+lean_ctor_set(x_131, 1, x_126);
+lean_ctor_set(x_131, 2, x_127);
+lean_ctor_set(x_131, 3, x_128);
+lean_ctor_set(x_131, 4, x_129);
+lean_ctor_set(x_131, 5, x_130);
+lean_ctor_set(x_20, 1, x_131);
+x_132 = lean_st_ref_set(x_10, x_20, x_22);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_133);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_3);
+x_204 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_136);
+if (lean_obj_tag(x_204) == 0)
+{
+lean_object* x_205; uint8_t x_206; 
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_unbox(x_205);
+if (x_206 == 0)
+{
+lean_object* x_207; uint8_t x_208; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_207 = lean_ctor_get(x_204, 1);
+lean_inc(x_207);
+lean_dec(x_204);
+x_208 = lean_unbox(x_205);
+lean_dec(x_205);
+x_176 = x_208;
+x_177 = x_207;
+goto block_203;
+}
+else
+{
+lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
+lean_dec(x_205);
+x_209 = lean_ctor_get(x_204, 1);
+lean_inc(x_209);
+lean_dec(x_204);
+x_210 = l_Lean_Expr_constLevels_x21(x_3);
+x_211 = l_Lean_Expr_constLevels_x21(x_4);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_212 = l_Lean_Meta_isListLevelDefEqAux(x_210, x_211, x_9, x_10, x_11, x_12, x_209);
+if (lean_obj_tag(x_212) == 0)
+{
+lean_object* x_213; lean_object* x_214; uint8_t x_215; 
+x_213 = lean_ctor_get(x_212, 0);
+lean_inc(x_213);
+x_214 = lean_ctor_get(x_212, 1);
+lean_inc(x_214);
+lean_dec(x_212);
+x_215 = lean_unbox(x_213);
+lean_dec(x_213);
+x_176 = x_215;
+x_177 = x_214;
+goto block_203;
+}
+else
+{
+lean_object* x_216; lean_object* x_217; 
+lean_dec(x_135);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_216 = lean_ctor_get(x_212, 0);
+lean_inc(x_216);
+x_217 = lean_ctor_get(x_212, 1);
+lean_inc(x_217);
+lean_dec(x_212);
+x_137 = x_216;
+x_138 = x_217;
+goto block_143;
+}
+}
+}
+else
+{
+lean_object* x_218; lean_object* x_219; 
+lean_dec(x_135);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_110 = lean_ctor_get(x_96, 0);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_96, 1);
-lean_inc(x_111);
-lean_dec(x_96);
-x_20 = x_110;
-x_21 = x_111;
-goto block_27;
+x_218 = lean_ctor_get(x_204, 0);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_204, 1);
+lean_inc(x_219);
+lean_dec(x_204);
+x_137 = x_218;
+x_138 = x_219;
+goto block_143;
 }
-block_27:
+block_143:
 {
-lean_object* x_22; uint8_t x_23; 
-x_22 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_21);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_139 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_138);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
-{
-lean_object* x_24; 
-x_24 = lean_ctor_get(x_22, 0);
-lean_dec(x_24);
-lean_ctor_set_tag(x_22, 1);
-lean_ctor_set(x_22, 0, x_20);
-return x_22;
+lean_dec(x_15);
+x_140 = lean_ctor_get(x_139, 1);
+lean_inc(x_140);
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_141 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_141 = lean_box(0);
 }
-else
-{
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_22, 1);
-lean_inc(x_25);
-lean_dec(x_22);
-x_26 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_26, 0, x_20);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
+if (lean_is_scalar(x_141)) {
+ x_142 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_142 = x_141;
+ lean_ctor_set_tag(x_142, 1);
 }
+lean_ctor_set(x_142, 0, x_137);
+lean_ctor_set(x_142, 1, x_140);
+return x_142;
 }
-block_67:
+block_175:
 {
-if (x_28 == 0)
+if (x_144 == 0)
 {
-lean_object* x_30; uint8_t x_31; 
-lean_dec(x_18);
-x_30 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_29);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; uint8_t x_149; lean_object* x_150; lean_object* x_151; 
+lean_dec(x_135);
+x_146 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_145);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_31 = !lean_is_exclusive(x_30);
-if (x_31 == 0)
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_30, 0);
-lean_dec(x_32);
-x_33 = 0;
-x_34 = lean_box(x_33);
-lean_ctor_set(x_30, 0, x_34);
-return x_30;
+lean_dec(x_15);
+x_147 = lean_ctor_get(x_146, 1);
+lean_inc(x_147);
+if (lean_is_exclusive(x_146)) {
+ lean_ctor_release(x_146, 0);
+ lean_ctor_release(x_146, 1);
+ x_148 = x_146;
+} else {
+ lean_dec_ref(x_146);
+ x_148 = lean_box(0);
+}
+x_149 = 0;
+x_150 = lean_box(x_149);
+if (lean_is_scalar(x_148)) {
+ x_151 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_151 = x_148;
+}
+lean_ctor_set(x_151, 0, x_150);
+lean_ctor_set(x_151, 1, x_147);
+return x_151;
 }
 else
 {
-lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; 
-x_35 = lean_ctor_get(x_30, 1);
-lean_inc(x_35);
-lean_dec(x_30);
-x_36 = 0;
-x_37 = lean_box(x_36);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_37);
-lean_ctor_set(x_38, 1, x_35);
-return x_38;
-}
-}
-else
-{
-uint8_t x_39; lean_object* x_40; 
-x_39 = 0;
+uint8_t x_152; lean_object* x_153; 
+x_152 = 0;
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-x_40 = l_Lean_Meta_processPostponed(x_8, x_39, x_9, x_10, x_11, x_12, x_29);
-if (lean_obj_tag(x_40) == 0)
+x_153 = l_Lean_Meta_processPostponed(x_8, x_152, x_9, x_10, x_11, x_12, x_145);
+if (lean_obj_tag(x_153) == 0)
 {
-lean_object* x_41; uint8_t x_42; 
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_unbox(x_41);
-lean_dec(x_41);
-if (x_42 == 0)
+lean_object* x_154; uint8_t x_155; 
+x_154 = lean_ctor_get(x_153, 0);
+lean_inc(x_154);
+x_155 = lean_unbox(x_154);
+lean_dec(x_154);
+if (x_155 == 0)
 {
-lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-lean_dec(x_18);
-x_43 = lean_ctor_get(x_40, 1);
-lean_inc(x_43);
-lean_dec(x_40);
-x_44 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_43);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+lean_dec(x_135);
+x_156 = lean_ctor_get(x_153, 1);
+lean_inc(x_156);
+lean_dec(x_153);
+x_157 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_156);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_45 = !lean_is_exclusive(x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_44, 0);
-lean_dec(x_46);
-x_47 = lean_box(x_39);
-lean_ctor_set(x_44, 0, x_47);
-return x_44;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_44, 1);
-lean_inc(x_48);
-lean_dec(x_44);
-x_49 = lean_box(x_39);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
-}
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
 lean_dec(x_15);
-x_51 = lean_ctor_get(x_40, 1);
-lean_inc(x_51);
-lean_dec(x_40);
-x_52 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
-lean_inc(x_54);
-lean_dec(x_52);
-x_55 = l_Std_PersistentArray_append___rarg(x_18, x_53);
-x_56 = l_Lean_Meta_setPostponed(x_55, x_9, x_10, x_11, x_12, x_54);
+x_158 = lean_ctor_get(x_157, 1);
+lean_inc(x_158);
+if (lean_is_exclusive(x_157)) {
+ lean_ctor_release(x_157, 0);
+ lean_ctor_release(x_157, 1);
+ x_159 = x_157;
+} else {
+ lean_dec_ref(x_157);
+ x_159 = lean_box(0);
+}
+x_160 = lean_box(x_152);
+if (lean_is_scalar(x_159)) {
+ x_161 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_161 = x_159;
+}
+lean_ctor_set(x_161, 0, x_160);
+lean_ctor_set(x_161, 1, x_158);
+return x_161;
+}
+else
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; uint8_t x_170; lean_object* x_171; lean_object* x_172; 
+lean_dec(x_15);
+x_162 = lean_ctor_get(x_153, 1);
+lean_inc(x_162);
+lean_dec(x_153);
+x_163 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_162);
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_163, 1);
+lean_inc(x_165);
+lean_dec(x_163);
+x_166 = l_Std_PersistentArray_append___rarg(x_135, x_164);
+x_167 = l_Lean_Meta_setPostponed(x_166, x_9, x_10, x_11, x_12, x_165);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
-x_57 = !lean_is_exclusive(x_56);
-if (x_57 == 0)
-{
-lean_object* x_58; uint8_t x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_56, 0);
-lean_dec(x_58);
-x_59 = 1;
-x_60 = lean_box(x_59);
-lean_ctor_set(x_56, 0, x_60);
-return x_56;
+x_168 = lean_ctor_get(x_167, 1);
+lean_inc(x_168);
+if (lean_is_exclusive(x_167)) {
+ lean_ctor_release(x_167, 0);
+ lean_ctor_release(x_167, 1);
+ x_169 = x_167;
+} else {
+ lean_dec_ref(x_167);
+ x_169 = lean_box(0);
 }
-else
-{
-lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; 
-x_61 = lean_ctor_get(x_56, 1);
-lean_inc(x_61);
-lean_dec(x_56);
-x_62 = 1;
-x_63 = lean_box(x_62);
-x_64 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_61);
-return x_64;
+x_170 = 1;
+x_171 = lean_box(x_170);
+if (lean_is_scalar(x_169)) {
+ x_172 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_172 = x_169;
 }
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_168);
+return x_172;
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_18);
-x_65 = lean_ctor_get(x_40, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_40, 1);
-lean_inc(x_66);
-lean_dec(x_40);
-x_20 = x_65;
-x_21 = x_66;
-goto block_27;
+lean_object* x_173; lean_object* x_174; 
+lean_dec(x_135);
+x_173 = lean_ctor_get(x_153, 0);
+lean_inc(x_173);
+x_174 = lean_ctor_get(x_153, 1);
+lean_inc(x_174);
+lean_dec(x_153);
+x_137 = x_173;
+x_138 = x_174;
+goto block_143;
 }
 }
 }
-block_95:
+block_203:
 {
-if (x_68 == 0)
+if (x_176 == 0)
 {
-uint8_t x_70; lean_object* x_71; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
-x_84 = lean_st_ref_get(x_12, x_69);
-x_85 = lean_ctor_get(x_84, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_85, 3);
-lean_inc(x_86);
-lean_dec(x_85);
-x_87 = lean_ctor_get_uint8(x_86, sizeof(void*)*1);
-lean_dec(x_86);
-if (x_87 == 0)
+uint8_t x_178; lean_object* x_179; lean_object* x_192; lean_object* x_193; lean_object* x_194; uint8_t x_195; 
+x_192 = lean_st_ref_get(x_12, x_177);
+x_193 = lean_ctor_get(x_192, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_193, 3);
+lean_inc(x_194);
+lean_dec(x_193);
+x_195 = lean_ctor_get_uint8(x_194, sizeof(void*)*1);
+lean_dec(x_194);
+if (x_195 == 0)
 {
-lean_object* x_88; uint8_t x_89; 
-x_88 = lean_ctor_get(x_84, 1);
-lean_inc(x_88);
-lean_dec(x_84);
-x_89 = 0;
-x_70 = x_89;
-x_71 = x_88;
-goto block_83;
+lean_object* x_196; uint8_t x_197; 
+x_196 = lean_ctor_get(x_192, 1);
+lean_inc(x_196);
+lean_dec(x_192);
+x_197 = 0;
+x_178 = x_197;
+x_179 = x_196;
+goto block_191;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; 
-x_90 = lean_ctor_get(x_84, 1);
-lean_inc(x_90);
-lean_dec(x_84);
+lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; uint8_t x_202; 
+x_198 = lean_ctor_get(x_192, 1);
+lean_inc(x_198);
+lean_dec(x_192);
 lean_inc(x_5);
-x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_90);
-x_92 = lean_ctor_get(x_91, 0);
-lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 1);
-lean_inc(x_93);
-lean_dec(x_91);
-x_94 = lean_unbox(x_92);
-lean_dec(x_92);
-x_70 = x_94;
-x_71 = x_93;
-goto block_83;
+x_199 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_198);
+x_200 = lean_ctor_get(x_199, 0);
+lean_inc(x_200);
+x_201 = lean_ctor_get(x_199, 1);
+lean_inc(x_201);
+lean_dec(x_199);
+x_202 = lean_unbox(x_200);
+lean_dec(x_200);
+x_178 = x_202;
+x_179 = x_201;
+goto block_191;
 }
-block_83:
+block_191:
 {
-if (x_70 == 0)
+if (x_178 == 0)
 {
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_28 = x_68;
-x_29 = x_71;
-goto block_67;
+x_144 = x_176;
+x_145 = x_179;
+goto block_175;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_72 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_72, 0, x_1);
-x_73 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
-x_74 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_72);
-x_75 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_76 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_76, 0, x_74);
-lean_ctor_set(x_76, 1, x_75);
-x_77 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_77, 0, x_2);
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-x_79 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-x_81 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_80, x_9, x_10, x_11, x_12, x_71);
-x_82 = lean_ctor_get(x_81, 1);
-lean_inc(x_82);
-lean_dec(x_81);
-x_28 = x_68;
-x_29 = x_82;
-goto block_67;
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; 
+x_180 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_180, 0, x_1);
+x_181 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_182 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_182, 0, x_181);
+lean_ctor_set(x_182, 1, x_180);
+x_183 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_184 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_184, 0, x_182);
+lean_ctor_set(x_184, 1, x_183);
+x_185 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_185, 0, x_2);
+x_186 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_186, 0, x_184);
+lean_ctor_set(x_186, 1, x_185);
+x_187 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_188 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_188, 0, x_186);
+lean_ctor_set(x_188, 1, x_187);
+x_189 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_188, x_9, x_10, x_11, x_12, x_179);
+x_190 = lean_ctor_get(x_189, 1);
+lean_inc(x_190);
+lean_dec(x_189);
+x_144 = x_176;
+x_145 = x_190;
+goto block_175;
 }
 }
 }
@@ -59422,9 +57921,424 @@ else
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_28 = x_68;
-x_29 = x_69;
-goto block_67;
+x_144 = x_176;
+x_145 = x_177;
+goto block_175;
+}
+}
+}
+}
+else
+{
+lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_244; lean_object* x_245; uint8_t x_276; lean_object* x_277; lean_object* x_304; 
+x_220 = lean_ctor_get(x_20, 0);
+x_221 = lean_ctor_get(x_20, 2);
+x_222 = lean_ctor_get(x_20, 3);
+lean_inc(x_222);
+lean_inc(x_221);
+lean_inc(x_220);
+lean_dec(x_20);
+x_223 = lean_ctor_get(x_21, 0);
+lean_inc(x_223);
+x_224 = lean_ctor_get(x_21, 1);
+lean_inc(x_224);
+x_225 = lean_ctor_get(x_21, 2);
+lean_inc(x_225);
+x_226 = lean_ctor_get(x_21, 3);
+lean_inc(x_226);
+x_227 = lean_ctor_get(x_21, 4);
+lean_inc(x_227);
+if (lean_is_exclusive(x_21)) {
+ lean_ctor_release(x_21, 0);
+ lean_ctor_release(x_21, 1);
+ lean_ctor_release(x_21, 2);
+ lean_ctor_release(x_21, 3);
+ lean_ctor_release(x_21, 4);
+ lean_ctor_release(x_21, 5);
+ x_228 = x_21;
+} else {
+ lean_dec_ref(x_21);
+ x_228 = lean_box(0);
+}
+x_229 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_228)) {
+ x_230 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_230 = x_228;
+}
+lean_ctor_set(x_230, 0, x_223);
+lean_ctor_set(x_230, 1, x_224);
+lean_ctor_set(x_230, 2, x_225);
+lean_ctor_set(x_230, 3, x_226);
+lean_ctor_set(x_230, 4, x_227);
+lean_ctor_set(x_230, 5, x_229);
+x_231 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_231, 0, x_220);
+lean_ctor_set(x_231, 1, x_230);
+lean_ctor_set(x_231, 2, x_221);
+lean_ctor_set(x_231, 3, x_222);
+x_232 = lean_st_ref_set(x_10, x_231, x_22);
+x_233 = lean_ctor_get(x_232, 1);
+lean_inc(x_233);
+lean_dec(x_232);
+x_234 = l_Lean_Meta_getResetPostponed(x_9, x_10, x_11, x_12, x_233);
+x_235 = lean_ctor_get(x_234, 0);
+lean_inc(x_235);
+x_236 = lean_ctor_get(x_234, 1);
+lean_inc(x_236);
+lean_dec(x_234);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_3);
+x_304 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_6, x_7, x_9, x_10, x_11, x_12, x_236);
+if (lean_obj_tag(x_304) == 0)
+{
+lean_object* x_305; uint8_t x_306; 
+x_305 = lean_ctor_get(x_304, 0);
+lean_inc(x_305);
+x_306 = lean_unbox(x_305);
+if (x_306 == 0)
+{
+lean_object* x_307; uint8_t x_308; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_307 = lean_ctor_get(x_304, 1);
+lean_inc(x_307);
+lean_dec(x_304);
+x_308 = lean_unbox(x_305);
+lean_dec(x_305);
+x_276 = x_308;
+x_277 = x_307;
+goto block_303;
+}
+else
+{
+lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; 
+lean_dec(x_305);
+x_309 = lean_ctor_get(x_304, 1);
+lean_inc(x_309);
+lean_dec(x_304);
+x_310 = l_Lean_Expr_constLevels_x21(x_3);
+x_311 = l_Lean_Expr_constLevels_x21(x_4);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_312 = l_Lean_Meta_isListLevelDefEqAux(x_310, x_311, x_9, x_10, x_11, x_12, x_309);
+if (lean_obj_tag(x_312) == 0)
+{
+lean_object* x_313; lean_object* x_314; uint8_t x_315; 
+x_313 = lean_ctor_get(x_312, 0);
+lean_inc(x_313);
+x_314 = lean_ctor_get(x_312, 1);
+lean_inc(x_314);
+lean_dec(x_312);
+x_315 = lean_unbox(x_313);
+lean_dec(x_313);
+x_276 = x_315;
+x_277 = x_314;
+goto block_303;
+}
+else
+{
+lean_object* x_316; lean_object* x_317; 
+lean_dec(x_235);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_316 = lean_ctor_get(x_312, 0);
+lean_inc(x_316);
+x_317 = lean_ctor_get(x_312, 1);
+lean_inc(x_317);
+lean_dec(x_312);
+x_237 = x_316;
+x_238 = x_317;
+goto block_243;
+}
+}
+}
+else
+{
+lean_object* x_318; lean_object* x_319; 
+lean_dec(x_235);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_318 = lean_ctor_get(x_304, 0);
+lean_inc(x_318);
+x_319 = lean_ctor_get(x_304, 1);
+lean_inc(x_319);
+lean_dec(x_304);
+x_237 = x_318;
+x_238 = x_319;
+goto block_243;
+}
+block_243:
+{
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; 
+x_239 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_238);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_240 = lean_ctor_get(x_239, 1);
+lean_inc(x_240);
+if (lean_is_exclusive(x_239)) {
+ lean_ctor_release(x_239, 0);
+ lean_ctor_release(x_239, 1);
+ x_241 = x_239;
+} else {
+ lean_dec_ref(x_239);
+ x_241 = lean_box(0);
+}
+if (lean_is_scalar(x_241)) {
+ x_242 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_242 = x_241;
+ lean_ctor_set_tag(x_242, 1);
+}
+lean_ctor_set(x_242, 0, x_237);
+lean_ctor_set(x_242, 1, x_240);
+return x_242;
+}
+block_275:
+{
+if (x_244 == 0)
+{
+lean_object* x_246; lean_object* x_247; lean_object* x_248; uint8_t x_249; lean_object* x_250; lean_object* x_251; 
+lean_dec(x_235);
+x_246 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_245);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_247 = lean_ctor_get(x_246, 1);
+lean_inc(x_247);
+if (lean_is_exclusive(x_246)) {
+ lean_ctor_release(x_246, 0);
+ lean_ctor_release(x_246, 1);
+ x_248 = x_246;
+} else {
+ lean_dec_ref(x_246);
+ x_248 = lean_box(0);
+}
+x_249 = 0;
+x_250 = lean_box(x_249);
+if (lean_is_scalar(x_248)) {
+ x_251 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_251 = x_248;
+}
+lean_ctor_set(x_251, 0, x_250);
+lean_ctor_set(x_251, 1, x_247);
+return x_251;
+}
+else
+{
+uint8_t x_252; lean_object* x_253; 
+x_252 = 0;
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_253 = l_Lean_Meta_processPostponed(x_8, x_252, x_9, x_10, x_11, x_12, x_245);
+if (lean_obj_tag(x_253) == 0)
+{
+lean_object* x_254; uint8_t x_255; 
+x_254 = lean_ctor_get(x_253, 0);
+lean_inc(x_254);
+x_255 = lean_unbox(x_254);
+lean_dec(x_254);
+if (x_255 == 0)
+{
+lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+lean_dec(x_235);
+x_256 = lean_ctor_get(x_253, 1);
+lean_inc(x_256);
+lean_dec(x_253);
+x_257 = l_Lean_Meta_SavedState_restore(x_15, x_9, x_10, x_11, x_12, x_256);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_15);
+x_258 = lean_ctor_get(x_257, 1);
+lean_inc(x_258);
+if (lean_is_exclusive(x_257)) {
+ lean_ctor_release(x_257, 0);
+ lean_ctor_release(x_257, 1);
+ x_259 = x_257;
+} else {
+ lean_dec_ref(x_257);
+ x_259 = lean_box(0);
+}
+x_260 = lean_box(x_252);
+if (lean_is_scalar(x_259)) {
+ x_261 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_261 = x_259;
+}
+lean_ctor_set(x_261, 0, x_260);
+lean_ctor_set(x_261, 1, x_258);
+return x_261;
+}
+else
+{
+lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; uint8_t x_270; lean_object* x_271; lean_object* x_272; 
+lean_dec(x_15);
+x_262 = lean_ctor_get(x_253, 1);
+lean_inc(x_262);
+lean_dec(x_253);
+x_263 = l_Lean_Meta_getPostponed___rarg(x_10, x_11, x_12, x_262);
+x_264 = lean_ctor_get(x_263, 0);
+lean_inc(x_264);
+x_265 = lean_ctor_get(x_263, 1);
+lean_inc(x_265);
+lean_dec(x_263);
+x_266 = l_Std_PersistentArray_append___rarg(x_235, x_264);
+x_267 = l_Lean_Meta_setPostponed(x_266, x_9, x_10, x_11, x_12, x_265);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+x_268 = lean_ctor_get(x_267, 1);
+lean_inc(x_268);
+if (lean_is_exclusive(x_267)) {
+ lean_ctor_release(x_267, 0);
+ lean_ctor_release(x_267, 1);
+ x_269 = x_267;
+} else {
+ lean_dec_ref(x_267);
+ x_269 = lean_box(0);
+}
+x_270 = 1;
+x_271 = lean_box(x_270);
+if (lean_is_scalar(x_269)) {
+ x_272 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_272 = x_269;
+}
+lean_ctor_set(x_272, 0, x_271);
+lean_ctor_set(x_272, 1, x_268);
+return x_272;
+}
+}
+else
+{
+lean_object* x_273; lean_object* x_274; 
+lean_dec(x_235);
+x_273 = lean_ctor_get(x_253, 0);
+lean_inc(x_273);
+x_274 = lean_ctor_get(x_253, 1);
+lean_inc(x_274);
+lean_dec(x_253);
+x_237 = x_273;
+x_238 = x_274;
+goto block_243;
+}
+}
+}
+block_303:
+{
+if (x_276 == 0)
+{
+uint8_t x_278; lean_object* x_279; lean_object* x_292; lean_object* x_293; lean_object* x_294; uint8_t x_295; 
+x_292 = lean_st_ref_get(x_12, x_277);
+x_293 = lean_ctor_get(x_292, 0);
+lean_inc(x_293);
+x_294 = lean_ctor_get(x_293, 3);
+lean_inc(x_294);
+lean_dec(x_293);
+x_295 = lean_ctor_get_uint8(x_294, sizeof(void*)*1);
+lean_dec(x_294);
+if (x_295 == 0)
+{
+lean_object* x_296; uint8_t x_297; 
+x_296 = lean_ctor_get(x_292, 1);
+lean_inc(x_296);
+lean_dec(x_292);
+x_297 = 0;
+x_278 = x_297;
+x_279 = x_296;
+goto block_291;
+}
+else
+{
+lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; uint8_t x_302; 
+x_298 = lean_ctor_get(x_292, 1);
+lean_inc(x_298);
+lean_dec(x_292);
+lean_inc(x_5);
+x_299 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_5, x_9, x_10, x_11, x_12, x_298);
+x_300 = lean_ctor_get(x_299, 0);
+lean_inc(x_300);
+x_301 = lean_ctor_get(x_299, 1);
+lean_inc(x_301);
+lean_dec(x_299);
+x_302 = lean_unbox(x_300);
+lean_dec(x_300);
+x_278 = x_302;
+x_279 = x_301;
+goto block_291;
+}
+block_291:
+{
+if (x_278 == 0)
+{
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_244 = x_276;
+x_245 = x_279;
+goto block_275;
+}
+else
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; 
+x_280 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_280, 0, x_1);
+x_281 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___closed__2;
+x_282 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_282, 0, x_281);
+lean_ctor_set(x_282, 1, x_280);
+x_283 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_284 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_284, 0, x_282);
+lean_ctor_set(x_284, 1, x_283);
+x_285 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_285, 0, x_2);
+x_286 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_286, 0, x_284);
+lean_ctor_set(x_286, 1, x_285);
+x_287 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_288 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_288, 0, x_286);
+lean_ctor_set(x_288, 1, x_287);
+x_289 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_5, x_288, x_9, x_10, x_11, x_12, x_279);
+x_290 = lean_ctor_get(x_289, 1);
+lean_inc(x_290);
+lean_dec(x_289);
+x_244 = x_276;
+x_245 = x_290;
+goto block_275;
+}
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_244 = x_276;
+x_245 = x_277;
+goto block_275;
+}
 }
 }
 }
@@ -64609,223 +63523,744 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickMVarMVar___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -64833,223 +64268,744 @@ return x_21;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickMVarMVar___spec__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_23; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
+x_12 = lean_st_ref_get(x_7, x_11);
+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_2, x_1, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_36; 
+x_21 = lean_ctor_get(x_16, 5);
+lean_dec(x_21);
+x_22 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_16, 5, x_22);
+x_23 = lean_st_ref_set(x_5, x_15, x_17);
+x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
+x_25 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_23);
-x_27 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_38 = l_Lean_Meta_processPostponed(x_3, x_37, x_4, x_5, x_6, x_7, x_36);
-if (lean_obj_tag(x_38) == 0)
+x_36 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_2, x_1, x_4, x_5, x_6, x_7, x_27);
+if (lean_obj_tag(x_36) == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_36, 0);
+lean_inc(x_37);
+x_38 = lean_unbox(x_37);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_dec(x_26);
+x_39 = lean_ctor_get(x_36, 1);
 lean_inc(x_39);
-x_40 = lean_unbox(x_39);
-lean_dec(x_39);
-if (x_40 == 0)
-{
-lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_13);
-x_41 = lean_ctor_get(x_38, 1);
-lean_inc(x_41);
-lean_dec(x_38);
-x_42 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_41);
+lean_dec(x_36);
+x_40 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+lean_dec(x_10);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
-x_44 = lean_ctor_get(x_42, 0);
-lean_dec(x_44);
-x_45 = lean_box(x_37);
-lean_ctor_set(x_42, 0, x_45);
-return x_42;
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 1);
-lean_inc(x_46);
-lean_dec(x_42);
-x_47 = lean_box(x_37);
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
 x_48 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
 return x_48;
 }
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-lean_dec(x_10);
-x_49 = lean_ctor_get(x_38, 1);
+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
+x_49 = lean_ctor_get(x_36, 1);
 lean_inc(x_49);
-lean_dec(x_38);
-x_50 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_49);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
+lean_object* x_52; uint8_t x_53; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_2, x_1, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignment(x_2, x_1, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -69316,292 +69272,953 @@ return x_47;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqApp___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_25; lean_object* x_26; lean_object* x_65; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_11 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+x_14 = lean_st_ref_get(x_9, x_13);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
 lean_dec(x_14);
+x_16 = lean_st_ref_take(x_7, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = !lean_is_exclusive(x_17);
+if (x_20 == 0)
+{
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_17, 1);
+lean_dec(x_21);
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_38; lean_object* x_39; lean_object* x_78; 
+x_23 = lean_ctor_get(x_18, 5);
+lean_dec(x_23);
+x_24 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_18, 5, x_24);
+x_25 = lean_st_ref_set(x_7, x_17, x_19);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_26);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_3);
-x_65 = lean_is_expr_def_eq(x_3, x_4, x_6, x_7, x_8, x_9, x_16);
-if (lean_obj_tag(x_65) == 0)
+x_78 = lean_is_expr_def_eq(x_3, x_4, x_6, x_7, x_8, x_9, x_29);
+if (lean_obj_tag(x_78) == 0)
 {
-lean_object* x_66; uint8_t x_67; 
-x_66 = lean_ctor_get(x_65, 0);
-lean_inc(x_66);
-x_67 = lean_unbox(x_66);
+lean_object* x_79; uint8_t x_80; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_unbox(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; uint8_t x_82; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_81 = lean_ctor_get(x_78, 1);
+lean_inc(x_81);
+lean_dec(x_78);
+x_82 = lean_unbox(x_79);
+lean_dec(x_79);
+x_38 = x_82;
+x_39 = x_81;
+goto block_77;
+}
+else
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+lean_dec(x_79);
+x_83 = lean_ctor_get(x_78, 1);
+lean_inc(x_83);
+lean_dec(x_78);
+x_84 = lean_unsigned_to_nat(0u);
+x_85 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_84);
+x_86 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
+lean_inc(x_85);
+x_87 = lean_mk_array(x_85, x_86);
+x_88 = lean_unsigned_to_nat(1u);
+x_89 = lean_nat_sub(x_85, x_88);
+lean_dec(x_85);
+x_90 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_87, x_89);
+x_91 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_2, x_84);
+lean_inc(x_91);
+x_92 = lean_mk_array(x_91, x_86);
+x_93 = lean_nat_sub(x_91, x_88);
+lean_dec(x_91);
+x_94 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_92, x_93);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_95 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_90, x_94, x_6, x_7, x_8, x_9, x_83);
+if (lean_obj_tag(x_95) == 0)
+{
+lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_96 = lean_ctor_get(x_95, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_95, 1);
+lean_inc(x_97);
+lean_dec(x_95);
+x_98 = lean_unbox(x_96);
+lean_dec(x_96);
+x_38 = x_98;
+x_39 = x_97;
+goto block_77;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; 
+lean_dec(x_28);
+x_99 = lean_ctor_get(x_95, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_95, 1);
+lean_inc(x_100);
+lean_dec(x_95);
+x_30 = x_99;
+x_31 = x_100;
+goto block_37;
+}
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; 
+lean_dec(x_28);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_101 = lean_ctor_get(x_78, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_78, 1);
+lean_inc(x_102);
+lean_dec(x_78);
+x_30 = x_101;
+x_31 = x_102;
+goto block_37;
+}
+block_37:
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_31);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+block_77:
+{
+if (x_38 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+lean_dec(x_28);
+x_40 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_39);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
+}
+else
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_45);
+return x_48;
+}
+}
+else
+{
+uint8_t x_49; lean_object* x_50; 
+x_49 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_50 = l_Lean_Meta_processPostponed(x_5, x_49, x_6, x_7, x_8, x_9, x_39);
+if (lean_obj_tag(x_50) == 0)
+{
+lean_object* x_51; uint8_t x_52; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_unbox(x_51);
+lean_dec(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_28);
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_53);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+x_57 = lean_box(x_49);
+lean_ctor_set(x_54, 0, x_57);
+return x_54;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_54, 1);
+lean_inc(x_58);
+lean_dec(x_54);
+x_59 = lean_box(x_49);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+lean_dec(x_12);
+x_61 = lean_ctor_get(x_50, 1);
+lean_inc(x_61);
+lean_dec(x_50);
+x_62 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_61);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = l_Std_PersistentArray_append___rarg(x_28, x_63);
+x_66 = l_Lean_Meta_setPostponed(x_65, x_6, x_7, x_8, x_9, x_64);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_67 = !lean_is_exclusive(x_66);
 if (x_67 == 0)
 {
-lean_object* x_68; uint8_t x_69; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_68 = lean_ctor_get(x_65, 1);
-lean_inc(x_68);
-lean_dec(x_65);
-x_69 = lean_unbox(x_66);
-lean_dec(x_66);
-x_25 = x_69;
-x_26 = x_68;
-goto block_64;
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+x_69 = 1;
+x_70 = lean_box(x_69);
+lean_ctor_set(x_66, 0, x_70);
+return x_66;
 }
 else
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_66, 1);
+lean_inc(x_71);
 lean_dec(x_66);
-x_70 = lean_ctor_get(x_65, 1);
-lean_inc(x_70);
-lean_dec(x_65);
-x_71 = lean_unsigned_to_nat(0u);
-x_72 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_71);
-x_73 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
-lean_inc(x_72);
-x_74 = lean_mk_array(x_72, x_73);
-x_75 = lean_unsigned_to_nat(1u);
-x_76 = lean_nat_sub(x_72, x_75);
-lean_dec(x_72);
-x_77 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_74, x_76);
-x_78 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_2, x_71);
-lean_inc(x_78);
-x_79 = lean_mk_array(x_78, x_73);
-x_80 = lean_nat_sub(x_78, x_75);
-lean_dec(x_78);
-x_81 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_79, x_80);
+x_72 = 1;
+x_73 = lean_box(x_72);
+x_74 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_28);
+x_75 = lean_ctor_get(x_50, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_50, 1);
+lean_inc(x_76);
+lean_dec(x_50);
+x_30 = x_75;
+x_31 = x_76;
+goto block_37;
+}
+}
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_122; lean_object* x_123; lean_object* x_154; 
+x_103 = lean_ctor_get(x_18, 0);
+x_104 = lean_ctor_get(x_18, 1);
+x_105 = lean_ctor_get(x_18, 2);
+x_106 = lean_ctor_get(x_18, 3);
+x_107 = lean_ctor_get(x_18, 4);
+lean_inc(x_107);
+lean_inc(x_106);
+lean_inc(x_105);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_18);
+x_108 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_109 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_109, 0, x_103);
+lean_ctor_set(x_109, 1, x_104);
+lean_ctor_set(x_109, 2, x_105);
+lean_ctor_set(x_109, 3, x_106);
+lean_ctor_set(x_109, 4, x_107);
+lean_ctor_set(x_109, 5, x_108);
+lean_ctor_set(x_17, 1, x_109);
+x_110 = lean_st_ref_set(x_7, x_17, x_19);
+x_111 = lean_ctor_get(x_110, 1);
+lean_inc(x_111);
+lean_dec(x_110);
+x_112 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_111);
+x_113 = lean_ctor_get(x_112, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_112, 1);
+lean_inc(x_114);
+lean_dec(x_112);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_82 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_77, x_81, x_6, x_7, x_8, x_9, x_70);
-if (lean_obj_tag(x_82) == 0)
+lean_inc(x_3);
+x_154 = lean_is_expr_def_eq(x_3, x_4, x_6, x_7, x_8, x_9, x_114);
+if (lean_obj_tag(x_154) == 0)
 {
-lean_object* x_83; lean_object* x_84; uint8_t x_85; 
-x_83 = lean_ctor_get(x_82, 0);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_82, 1);
-lean_inc(x_84);
-lean_dec(x_82);
-x_85 = lean_unbox(x_83);
-lean_dec(x_83);
-x_25 = x_85;
-x_26 = x_84;
-goto block_64;
-}
-else
+lean_object* x_155; uint8_t x_156; 
+x_155 = lean_ctor_get(x_154, 0);
+lean_inc(x_155);
+x_156 = lean_unbox(x_155);
+if (x_156 == 0)
 {
-lean_object* x_86; lean_object* x_87; 
-lean_dec(x_15);
-x_86 = lean_ctor_get(x_82, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_82, 1);
-lean_inc(x_87);
-lean_dec(x_82);
-x_17 = x_86;
-x_18 = x_87;
-goto block_24;
-}
-}
-}
-else
-{
-lean_object* x_88; lean_object* x_89; 
-lean_dec(x_15);
+lean_object* x_157; uint8_t x_158; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_88 = lean_ctor_get(x_65, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_65, 1);
-lean_inc(x_89);
-lean_dec(x_65);
-x_17 = x_88;
-x_18 = x_89;
-goto block_24;
-}
-block_24:
-{
-lean_object* x_19; uint8_t x_20; 
-x_19 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_18);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-x_21 = lean_ctor_get(x_19, 0);
-lean_dec(x_21);
-lean_ctor_set_tag(x_19, 1);
-lean_ctor_set(x_19, 0, x_17);
-return x_19;
+x_157 = lean_ctor_get(x_154, 1);
+lean_inc(x_157);
+lean_dec(x_154);
+x_158 = lean_unbox(x_155);
+lean_dec(x_155);
+x_122 = x_158;
+x_123 = x_157;
+goto block_153;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_17);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-block_64:
-{
-if (x_25 == 0)
-{
-lean_object* x_27; uint8_t x_28; 
-lean_dec(x_15);
-x_27 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_26);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-uint8_t x_36; lean_object* x_37; 
-x_36 = 0;
+lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+lean_dec(x_155);
+x_159 = lean_ctor_get(x_154, 1);
+lean_inc(x_159);
+lean_dec(x_154);
+x_160 = lean_unsigned_to_nat(0u);
+x_161 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_160);
+x_162 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
+lean_inc(x_161);
+x_163 = lean_mk_array(x_161, x_162);
+x_164 = lean_unsigned_to_nat(1u);
+x_165 = lean_nat_sub(x_161, x_164);
+lean_dec(x_161);
+x_166 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_163, x_165);
+x_167 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_2, x_160);
+lean_inc(x_167);
+x_168 = lean_mk_array(x_167, x_162);
+x_169 = lean_nat_sub(x_167, x_164);
+lean_dec(x_167);
+x_170 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_168, x_169);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_37 = l_Lean_Meta_processPostponed(x_5, x_36, x_6, x_7, x_8, x_9, x_26);
-if (lean_obj_tag(x_37) == 0)
+x_171 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_166, x_170, x_6, x_7, x_8, x_9, x_159);
+if (lean_obj_tag(x_171) == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
-lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
+lean_object* x_172; lean_object* x_173; uint8_t x_174; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_ctor_get(x_171, 1);
+lean_inc(x_173);
+lean_dec(x_171);
+x_174 = lean_unbox(x_172);
+lean_dec(x_172);
+x_122 = x_174;
+x_123 = x_173;
+goto block_153;
+}
+else
 {
-lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-lean_dec(x_15);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_40);
+lean_object* x_175; lean_object* x_176; 
+lean_dec(x_113);
+x_175 = lean_ctor_get(x_171, 0);
+lean_inc(x_175);
+x_176 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_dec(x_171);
+x_115 = x_175;
+x_116 = x_176;
+goto block_121;
+}
+}
+}
+else
+{
+lean_object* x_177; lean_object* x_178; 
+lean_dec(x_113);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_177 = lean_ctor_get(x_154, 0);
+lean_inc(x_177);
+x_178 = lean_ctor_get(x_154, 1);
+lean_inc(x_178);
+lean_dec(x_154);
+x_115 = x_177;
+x_116 = x_178;
+goto block_121;
+}
+block_121:
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_117 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_116);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-x_44 = lean_box(x_36);
-lean_ctor_set(x_41, 0, x_44);
-return x_41;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-x_46 = lean_box(x_36);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_45);
-return x_47;
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_dec(x_12);
-x_48 = lean_ctor_get(x_37, 1);
-lean_inc(x_48);
-lean_dec(x_37);
-x_49 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Std_PersistentArray_append___rarg(x_15, x_50);
-x_53 = l_Lean_Meta_setPostponed(x_52, x_6, x_7, x_8, x_9, x_51);
+x_118 = lean_ctor_get(x_117, 1);
+lean_inc(x_118);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_119 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_119 = lean_box(0);
+}
+if (lean_is_scalar(x_119)) {
+ x_120 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_120 = x_119;
+ lean_ctor_set_tag(x_120, 1);
+}
+lean_ctor_set(x_120, 0, x_115);
+lean_ctor_set(x_120, 1, x_118);
+return x_120;
+}
+block_153:
+{
+if (x_122 == 0)
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; lean_object* x_128; lean_object* x_129; 
+lean_dec(x_113);
+x_124 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_123);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
-{
-lean_object* x_55; uint8_t x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_53, 0);
-lean_dec(x_55);
-x_56 = 1;
-x_57 = lean_box(x_56);
-lean_ctor_set(x_53, 0, x_57);
-return x_53;
+lean_dec(x_12);
+x_125 = lean_ctor_get(x_124, 1);
+lean_inc(x_125);
+if (lean_is_exclusive(x_124)) {
+ lean_ctor_release(x_124, 0);
+ lean_ctor_release(x_124, 1);
+ x_126 = x_124;
+} else {
+ lean_dec_ref(x_124);
+ x_126 = lean_box(0);
+}
+x_127 = 0;
+x_128 = lean_box(x_127);
+if (lean_is_scalar(x_126)) {
+ x_129 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_129 = x_126;
+}
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_125);
+return x_129;
 }
 else
 {
-lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_53, 1);
-lean_inc(x_58);
-lean_dec(x_53);
-x_59 = 1;
-x_60 = lean_box(x_59);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
+uint8_t x_130; lean_object* x_131; 
+x_130 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_131 = l_Lean_Meta_processPostponed(x_5, x_130, x_6, x_7, x_8, x_9, x_123);
+if (lean_obj_tag(x_131) == 0)
+{
+lean_object* x_132; uint8_t x_133; 
+x_132 = lean_ctor_get(x_131, 0);
+lean_inc(x_132);
+x_133 = lean_unbox(x_132);
+lean_dec(x_132);
+if (x_133 == 0)
+{
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+lean_dec(x_113);
+x_134 = lean_ctor_get(x_131, 1);
+lean_inc(x_134);
+lean_dec(x_131);
+x_135 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_134);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+x_138 = lean_box(x_130);
+if (lean_is_scalar(x_137)) {
+ x_139 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_139 = x_137;
+}
+lean_ctor_set(x_139, 0, x_138);
+lean_ctor_set(x_139, 1, x_136);
+return x_139;
+}
+else
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; uint8_t x_148; lean_object* x_149; lean_object* x_150; 
+lean_dec(x_12);
+x_140 = lean_ctor_get(x_131, 1);
+lean_inc(x_140);
+lean_dec(x_131);
+x_141 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_140);
+x_142 = lean_ctor_get(x_141, 0);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_141, 1);
+lean_inc(x_143);
+lean_dec(x_141);
+x_144 = l_Std_PersistentArray_append___rarg(x_113, x_142);
+x_145 = l_Lean_Meta_setPostponed(x_144, x_6, x_7, x_8, x_9, x_143);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_146 = lean_ctor_get(x_145, 1);
+lean_inc(x_146);
+if (lean_is_exclusive(x_145)) {
+ lean_ctor_release(x_145, 0);
+ lean_ctor_release(x_145, 1);
+ x_147 = x_145;
+} else {
+ lean_dec_ref(x_145);
+ x_147 = lean_box(0);
+}
+x_148 = 1;
+x_149 = lean_box(x_148);
+if (lean_is_scalar(x_147)) {
+ x_150 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_150 = x_147;
+}
+lean_ctor_set(x_150, 0, x_149);
+lean_ctor_set(x_150, 1, x_146);
+return x_150;
+}
+}
+else
+{
+lean_object* x_151; lean_object* x_152; 
+lean_dec(x_113);
+x_151 = lean_ctor_get(x_131, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_131, 1);
+lean_inc(x_152);
+lean_dec(x_131);
+x_115 = x_151;
+x_116 = x_152;
+goto block_121;
+}
+}
 }
 }
 }
 else
 {
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_15);
-x_62 = lean_ctor_get(x_37, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_37, 1);
-lean_inc(x_63);
-lean_dec(x_37);
-x_17 = x_62;
-x_18 = x_63;
-goto block_24;
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; uint8_t x_203; lean_object* x_204; lean_object* x_235; 
+x_179 = lean_ctor_get(x_17, 0);
+x_180 = lean_ctor_get(x_17, 2);
+x_181 = lean_ctor_get(x_17, 3);
+lean_inc(x_181);
+lean_inc(x_180);
+lean_inc(x_179);
+lean_dec(x_17);
+x_182 = lean_ctor_get(x_18, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_18, 1);
+lean_inc(x_183);
+x_184 = lean_ctor_get(x_18, 2);
+lean_inc(x_184);
+x_185 = lean_ctor_get(x_18, 3);
+lean_inc(x_185);
+x_186 = lean_ctor_get(x_18, 4);
+lean_inc(x_186);
+if (lean_is_exclusive(x_18)) {
+ lean_ctor_release(x_18, 0);
+ lean_ctor_release(x_18, 1);
+ lean_ctor_release(x_18, 2);
+ lean_ctor_release(x_18, 3);
+ lean_ctor_release(x_18, 4);
+ lean_ctor_release(x_18, 5);
+ x_187 = x_18;
+} else {
+ lean_dec_ref(x_18);
+ x_187 = lean_box(0);
+}
+x_188 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_187)) {
+ x_189 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_189 = x_187;
+}
+lean_ctor_set(x_189, 0, x_182);
+lean_ctor_set(x_189, 1, x_183);
+lean_ctor_set(x_189, 2, x_184);
+lean_ctor_set(x_189, 3, x_185);
+lean_ctor_set(x_189, 4, x_186);
+lean_ctor_set(x_189, 5, x_188);
+x_190 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_190, 0, x_179);
+lean_ctor_set(x_190, 1, x_189);
+lean_ctor_set(x_190, 2, x_180);
+lean_ctor_set(x_190, 3, x_181);
+x_191 = lean_st_ref_set(x_7, x_190, x_19);
+x_192 = lean_ctor_get(x_191, 1);
+lean_inc(x_192);
+lean_dec(x_191);
+x_193 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_192);
+x_194 = lean_ctor_get(x_193, 0);
+lean_inc(x_194);
+x_195 = lean_ctor_get(x_193, 1);
+lean_inc(x_195);
+lean_dec(x_193);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_3);
+x_235 = lean_is_expr_def_eq(x_3, x_4, x_6, x_7, x_8, x_9, x_195);
+if (lean_obj_tag(x_235) == 0)
+{
+lean_object* x_236; uint8_t x_237; 
+x_236 = lean_ctor_get(x_235, 0);
+lean_inc(x_236);
+x_237 = lean_unbox(x_236);
+if (x_237 == 0)
+{
+lean_object* x_238; uint8_t x_239; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_238 = lean_ctor_get(x_235, 1);
+lean_inc(x_238);
+lean_dec(x_235);
+x_239 = lean_unbox(x_236);
+lean_dec(x_236);
+x_203 = x_239;
+x_204 = x_238;
+goto block_234;
+}
+else
+{
+lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; 
+lean_dec(x_236);
+x_240 = lean_ctor_get(x_235, 1);
+lean_inc(x_240);
+lean_dec(x_235);
+x_241 = lean_unsigned_to_nat(0u);
+x_242 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_241);
+x_243 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
+lean_inc(x_242);
+x_244 = lean_mk_array(x_242, x_243);
+x_245 = lean_unsigned_to_nat(1u);
+x_246 = lean_nat_sub(x_242, x_245);
+lean_dec(x_242);
+x_247 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_244, x_246);
+x_248 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_2, x_241);
+lean_inc(x_248);
+x_249 = lean_mk_array(x_248, x_243);
+x_250 = lean_nat_sub(x_248, x_245);
+lean_dec(x_248);
+x_251 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_249, x_250);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_252 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_3, x_247, x_251, x_6, x_7, x_8, x_9, x_240);
+if (lean_obj_tag(x_252) == 0)
+{
+lean_object* x_253; lean_object* x_254; uint8_t x_255; 
+x_253 = lean_ctor_get(x_252, 0);
+lean_inc(x_253);
+x_254 = lean_ctor_get(x_252, 1);
+lean_inc(x_254);
+lean_dec(x_252);
+x_255 = lean_unbox(x_253);
+lean_dec(x_253);
+x_203 = x_255;
+x_204 = x_254;
+goto block_234;
+}
+else
+{
+lean_object* x_256; lean_object* x_257; 
+lean_dec(x_194);
+x_256 = lean_ctor_get(x_252, 0);
+lean_inc(x_256);
+x_257 = lean_ctor_get(x_252, 1);
+lean_inc(x_257);
+lean_dec(x_252);
+x_196 = x_256;
+x_197 = x_257;
+goto block_202;
+}
+}
+}
+else
+{
+lean_object* x_258; lean_object* x_259; 
+lean_dec(x_194);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_258 = lean_ctor_get(x_235, 0);
+lean_inc(x_258);
+x_259 = lean_ctor_get(x_235, 1);
+lean_inc(x_259);
+lean_dec(x_235);
+x_196 = x_258;
+x_197 = x_259;
+goto block_202;
+}
+block_202:
+{
+lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
+x_198 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_197);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_199 = lean_ctor_get(x_198, 1);
+lean_inc(x_199);
+if (lean_is_exclusive(x_198)) {
+ lean_ctor_release(x_198, 0);
+ lean_ctor_release(x_198, 1);
+ x_200 = x_198;
+} else {
+ lean_dec_ref(x_198);
+ x_200 = lean_box(0);
+}
+if (lean_is_scalar(x_200)) {
+ x_201 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_201 = x_200;
+ lean_ctor_set_tag(x_201, 1);
+}
+lean_ctor_set(x_201, 0, x_196);
+lean_ctor_set(x_201, 1, x_199);
+return x_201;
+}
+block_234:
+{
+if (x_203 == 0)
+{
+lean_object* x_205; lean_object* x_206; lean_object* x_207; uint8_t x_208; lean_object* x_209; lean_object* x_210; 
+lean_dec(x_194);
+x_205 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_204);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_206 = lean_ctor_get(x_205, 1);
+lean_inc(x_206);
+if (lean_is_exclusive(x_205)) {
+ lean_ctor_release(x_205, 0);
+ lean_ctor_release(x_205, 1);
+ x_207 = x_205;
+} else {
+ lean_dec_ref(x_205);
+ x_207 = lean_box(0);
+}
+x_208 = 0;
+x_209 = lean_box(x_208);
+if (lean_is_scalar(x_207)) {
+ x_210 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_210 = x_207;
+}
+lean_ctor_set(x_210, 0, x_209);
+lean_ctor_set(x_210, 1, x_206);
+return x_210;
+}
+else
+{
+uint8_t x_211; lean_object* x_212; 
+x_211 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_212 = l_Lean_Meta_processPostponed(x_5, x_211, x_6, x_7, x_8, x_9, x_204);
+if (lean_obj_tag(x_212) == 0)
+{
+lean_object* x_213; uint8_t x_214; 
+x_213 = lean_ctor_get(x_212, 0);
+lean_inc(x_213);
+x_214 = lean_unbox(x_213);
+lean_dec(x_213);
+if (x_214 == 0)
+{
+lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
+lean_dec(x_194);
+x_215 = lean_ctor_get(x_212, 1);
+lean_inc(x_215);
+lean_dec(x_212);
+x_216 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_215);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_217 = lean_ctor_get(x_216, 1);
+lean_inc(x_217);
+if (lean_is_exclusive(x_216)) {
+ lean_ctor_release(x_216, 0);
+ lean_ctor_release(x_216, 1);
+ x_218 = x_216;
+} else {
+ lean_dec_ref(x_216);
+ x_218 = lean_box(0);
+}
+x_219 = lean_box(x_211);
+if (lean_is_scalar(x_218)) {
+ x_220 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_220 = x_218;
+}
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_217);
+return x_220;
+}
+else
+{
+lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; uint8_t x_229; lean_object* x_230; lean_object* x_231; 
+lean_dec(x_12);
+x_221 = lean_ctor_get(x_212, 1);
+lean_inc(x_221);
+lean_dec(x_212);
+x_222 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_221);
+x_223 = lean_ctor_get(x_222, 0);
+lean_inc(x_223);
+x_224 = lean_ctor_get(x_222, 1);
+lean_inc(x_224);
+lean_dec(x_222);
+x_225 = l_Std_PersistentArray_append___rarg(x_194, x_223);
+x_226 = l_Lean_Meta_setPostponed(x_225, x_6, x_7, x_8, x_9, x_224);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_227 = lean_ctor_get(x_226, 1);
+lean_inc(x_227);
+if (lean_is_exclusive(x_226)) {
+ lean_ctor_release(x_226, 0);
+ lean_ctor_release(x_226, 1);
+ x_228 = x_226;
+} else {
+ lean_dec_ref(x_226);
+ x_228 = lean_box(0);
+}
+x_229 = 1;
+x_230 = lean_box(x_229);
+if (lean_is_scalar(x_228)) {
+ x_231 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_231 = x_228;
+}
+lean_ctor_set(x_231, 0, x_230);
+lean_ctor_set(x_231, 1, x_227);
+return x_231;
+}
+}
+else
+{
+lean_object* x_232; lean_object* x_233; 
+lean_dec(x_194);
+x_232 = lean_ctor_get(x_212, 0);
+lean_inc(x_232);
+x_233 = lean_ctor_get(x_212, 1);
+lean_inc(x_233);
+lean_dec(x_212);
+x_196 = x_232;
+x_197 = x_233;
+goto block_202;
+}
 }
 }
 }
@@ -69610,277 +70227,908 @@ goto block_24;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqApp___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_25; lean_object* x_26; lean_object* x_65; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_11 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+x_14 = lean_st_ref_get(x_9, x_13);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
 lean_dec(x_14);
+x_16 = lean_st_ref_take(x_7, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = !lean_is_exclusive(x_17);
+if (x_20 == 0)
+{
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_17, 1);
+lean_dec(x_21);
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_38; lean_object* x_39; lean_object* x_78; 
+x_23 = lean_ctor_get(x_18, 5);
+lean_dec(x_23);
+x_24 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+lean_ctor_set(x_18, 5, x_24);
+x_25 = lean_st_ref_set(x_7, x_17, x_19);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_26);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_1);
-x_65 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_1, x_3, x_4, x_6, x_7, x_8, x_9, x_16);
-if (lean_obj_tag(x_65) == 0)
+x_78 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_1, x_3, x_4, x_6, x_7, x_8, x_9, x_29);
+if (lean_obj_tag(x_78) == 0)
 {
-lean_object* x_66; uint8_t x_67; 
-x_66 = lean_ctor_get(x_65, 0);
-lean_inc(x_66);
-x_67 = lean_unbox(x_66);
+lean_object* x_79; uint8_t x_80; 
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_unbox(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; uint8_t x_82; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_81 = lean_ctor_get(x_78, 1);
+lean_inc(x_81);
+lean_dec(x_78);
+x_82 = lean_unbox(x_79);
+lean_dec(x_79);
+x_38 = x_82;
+x_39 = x_81;
+goto block_77;
+}
+else
+{
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
+lean_dec(x_79);
+x_83 = lean_ctor_get(x_78, 1);
+lean_inc(x_83);
+lean_dec(x_78);
+x_84 = l_Lean_Expr_constLevels_x21(x_1);
+x_85 = l_Lean_Expr_constLevels_x21(x_2);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_86 = l_Lean_Meta_isListLevelDefEqAux(x_84, x_85, x_6, x_7, x_8, x_9, x_83);
+if (lean_obj_tag(x_86) == 0)
+{
+lean_object* x_87; lean_object* x_88; uint8_t x_89; 
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
+lean_inc(x_88);
+lean_dec(x_86);
+x_89 = lean_unbox(x_87);
+lean_dec(x_87);
+x_38 = x_89;
+x_39 = x_88;
+goto block_77;
+}
+else
+{
+lean_object* x_90; lean_object* x_91; 
+lean_dec(x_28);
+x_90 = lean_ctor_get(x_86, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_86, 1);
+lean_inc(x_91);
+lean_dec(x_86);
+x_30 = x_90;
+x_31 = x_91;
+goto block_37;
+}
+}
+}
+else
+{
+lean_object* x_92; lean_object* x_93; 
+lean_dec(x_28);
+lean_dec(x_2);
+lean_dec(x_1);
+x_92 = lean_ctor_get(x_78, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_78, 1);
+lean_inc(x_93);
+lean_dec(x_78);
+x_30 = x_92;
+x_31 = x_93;
+goto block_37;
+}
+block_37:
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_31);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+block_77:
+{
+if (x_38 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+lean_dec(x_28);
+x_40 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_39);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
+}
+else
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_45);
+return x_48;
+}
+}
+else
+{
+uint8_t x_49; lean_object* x_50; 
+x_49 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_50 = l_Lean_Meta_processPostponed(x_5, x_49, x_6, x_7, x_8, x_9, x_39);
+if (lean_obj_tag(x_50) == 0)
+{
+lean_object* x_51; uint8_t x_52; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_unbox(x_51);
+lean_dec(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_28);
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_53);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+x_57 = lean_box(x_49);
+lean_ctor_set(x_54, 0, x_57);
+return x_54;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_54, 1);
+lean_inc(x_58);
+lean_dec(x_54);
+x_59 = lean_box(x_49);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+lean_dec(x_12);
+x_61 = lean_ctor_get(x_50, 1);
+lean_inc(x_61);
+lean_dec(x_50);
+x_62 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_61);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = l_Std_PersistentArray_append___rarg(x_28, x_63);
+x_66 = l_Lean_Meta_setPostponed(x_65, x_6, x_7, x_8, x_9, x_64);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_67 = !lean_is_exclusive(x_66);
 if (x_67 == 0)
 {
-lean_object* x_68; uint8_t x_69; 
-lean_dec(x_2);
-lean_dec(x_1);
-x_68 = lean_ctor_get(x_65, 1);
-lean_inc(x_68);
-lean_dec(x_65);
-x_69 = lean_unbox(x_66);
-lean_dec(x_66);
-x_25 = x_69;
-x_26 = x_68;
-goto block_64;
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+x_69 = 1;
+x_70 = lean_box(x_69);
+lean_ctor_set(x_66, 0, x_70);
+return x_66;
 }
 else
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_66, 1);
+lean_inc(x_71);
 lean_dec(x_66);
-x_70 = lean_ctor_get(x_65, 1);
-lean_inc(x_70);
-lean_dec(x_65);
-x_71 = l_Lean_Expr_constLevels_x21(x_1);
-x_72 = l_Lean_Expr_constLevels_x21(x_2);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_73 = l_Lean_Meta_isListLevelDefEqAux(x_71, x_72, x_6, x_7, x_8, x_9, x_70);
-if (lean_obj_tag(x_73) == 0)
+x_72 = 1;
+x_73 = lean_box(x_72);
+x_74 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+}
+}
+else
 {
-lean_object* x_74; lean_object* x_75; uint8_t x_76; 
-x_74 = lean_ctor_get(x_73, 0);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_73, 1);
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_28);
+x_75 = lean_ctor_get(x_50, 0);
 lean_inc(x_75);
-lean_dec(x_73);
-x_76 = lean_unbox(x_74);
-lean_dec(x_74);
-x_25 = x_76;
-x_26 = x_75;
-goto block_64;
+x_76 = lean_ctor_get(x_50, 1);
+lean_inc(x_76);
+lean_dec(x_50);
+x_30 = x_75;
+x_31 = x_76;
+goto block_37;
 }
-else
-{
-lean_object* x_77; lean_object* x_78; 
-lean_dec(x_15);
-x_77 = lean_ctor_get(x_73, 0);
-lean_inc(x_77);
-x_78 = lean_ctor_get(x_73, 1);
-lean_inc(x_78);
-lean_dec(x_73);
-x_17 = x_77;
-x_18 = x_78;
-goto block_24;
 }
 }
 }
 else
 {
-lean_object* x_79; lean_object* x_80; 
-lean_dec(x_15);
-lean_dec(x_2);
-lean_dec(x_1);
-x_79 = lean_ctor_get(x_65, 0);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_65, 1);
-lean_inc(x_80);
-lean_dec(x_65);
-x_17 = x_79;
-x_18 = x_80;
-goto block_24;
-}
-block_24:
-{
-lean_object* x_19; uint8_t x_20; 
-x_19 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_18);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_20 = !lean_is_exclusive(x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-x_21 = lean_ctor_get(x_19, 0);
-lean_dec(x_21);
-lean_ctor_set_tag(x_19, 1);
-lean_ctor_set(x_19, 0, x_17);
-return x_19;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_17);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-block_64:
-{
-if (x_25 == 0)
-{
-lean_object* x_27; uint8_t x_28; 
-lean_dec(x_15);
-x_27 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_26);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
-lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
-}
-else
-{
-uint8_t x_36; lean_object* x_37; 
-x_36 = 0;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_113; lean_object* x_114; lean_object* x_145; 
+x_94 = lean_ctor_get(x_18, 0);
+x_95 = lean_ctor_get(x_18, 1);
+x_96 = lean_ctor_get(x_18, 2);
+x_97 = lean_ctor_get(x_18, 3);
+x_98 = lean_ctor_get(x_18, 4);
+lean_inc(x_98);
+lean_inc(x_97);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_inc(x_94);
+lean_dec(x_18);
+x_99 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+x_100 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_100, 0, x_94);
+lean_ctor_set(x_100, 1, x_95);
+lean_ctor_set(x_100, 2, x_96);
+lean_ctor_set(x_100, 3, x_97);
+lean_ctor_set(x_100, 4, x_98);
+lean_ctor_set(x_100, 5, x_99);
+lean_ctor_set(x_17, 1, x_100);
+x_101 = lean_st_ref_set(x_7, x_17, x_19);
+x_102 = lean_ctor_get(x_101, 1);
+lean_inc(x_102);
+lean_dec(x_101);
+x_103 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_102);
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_37 = l_Lean_Meta_processPostponed(x_5, x_36, x_6, x_7, x_8, x_9, x_26);
-if (lean_obj_tag(x_37) == 0)
+lean_inc(x_1);
+x_145 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_1, x_3, x_4, x_6, x_7, x_8, x_9, x_105);
+if (lean_obj_tag(x_145) == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
-lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
+lean_object* x_146; uint8_t x_147; 
+x_146 = lean_ctor_get(x_145, 0);
+lean_inc(x_146);
+x_147 = lean_unbox(x_146);
+if (x_147 == 0)
 {
-lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-lean_dec(x_15);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_40);
+lean_object* x_148; uint8_t x_149; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_148 = lean_ctor_get(x_145, 1);
+lean_inc(x_148);
+lean_dec(x_145);
+x_149 = lean_unbox(x_146);
+lean_dec(x_146);
+x_113 = x_149;
+x_114 = x_148;
+goto block_144;
+}
+else
+{
+lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
+lean_dec(x_146);
+x_150 = lean_ctor_get(x_145, 1);
+lean_inc(x_150);
+lean_dec(x_145);
+x_151 = l_Lean_Expr_constLevels_x21(x_1);
+x_152 = l_Lean_Expr_constLevels_x21(x_2);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_153 = l_Lean_Meta_isListLevelDefEqAux(x_151, x_152, x_6, x_7, x_8, x_9, x_150);
+if (lean_obj_tag(x_153) == 0)
+{
+lean_object* x_154; lean_object* x_155; uint8_t x_156; 
+x_154 = lean_ctor_get(x_153, 0);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_153, 1);
+lean_inc(x_155);
+lean_dec(x_153);
+x_156 = lean_unbox(x_154);
+lean_dec(x_154);
+x_113 = x_156;
+x_114 = x_155;
+goto block_144;
+}
+else
+{
+lean_object* x_157; lean_object* x_158; 
+lean_dec(x_104);
+x_157 = lean_ctor_get(x_153, 0);
+lean_inc(x_157);
+x_158 = lean_ctor_get(x_153, 1);
+lean_inc(x_158);
+lean_dec(x_153);
+x_106 = x_157;
+x_107 = x_158;
+goto block_112;
+}
+}
+}
+else
+{
+lean_object* x_159; lean_object* x_160; 
+lean_dec(x_104);
+lean_dec(x_2);
+lean_dec(x_1);
+x_159 = lean_ctor_get(x_145, 0);
+lean_inc(x_159);
+x_160 = lean_ctor_get(x_145, 1);
+lean_inc(x_160);
+lean_dec(x_145);
+x_106 = x_159;
+x_107 = x_160;
+goto block_112;
+}
+block_112:
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+x_108 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_107);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-x_44 = lean_box(x_36);
-lean_ctor_set(x_41, 0, x_44);
-return x_41;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-x_46 = lean_box(x_36);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_45);
-return x_47;
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_dec(x_12);
-x_48 = lean_ctor_get(x_37, 1);
-lean_inc(x_48);
-lean_dec(x_37);
-x_49 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Std_PersistentArray_append___rarg(x_15, x_50);
-x_53 = l_Lean_Meta_setPostponed(x_52, x_6, x_7, x_8, x_9, x_51);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_108)) {
+ lean_ctor_release(x_108, 0);
+ lean_ctor_release(x_108, 1);
+ x_110 = x_108;
+} else {
+ lean_dec_ref(x_108);
+ x_110 = lean_box(0);
+}
+if (lean_is_scalar(x_110)) {
+ x_111 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_111 = x_110;
+ lean_ctor_set_tag(x_111, 1);
+}
+lean_ctor_set(x_111, 0, x_106);
+lean_ctor_set(x_111, 1, x_109);
+return x_111;
+}
+block_144:
+{
+if (x_113 == 0)
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; lean_object* x_119; lean_object* x_120; 
+lean_dec(x_104);
+x_115 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_114);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
-{
-lean_object* x_55; uint8_t x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_53, 0);
-lean_dec(x_55);
-x_56 = 1;
-x_57 = lean_box(x_56);
-lean_ctor_set(x_53, 0, x_57);
-return x_53;
+lean_dec(x_12);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = 0;
+x_119 = lean_box(x_118);
+if (lean_is_scalar(x_117)) {
+ x_120 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_120 = x_117;
+}
+lean_ctor_set(x_120, 0, x_119);
+lean_ctor_set(x_120, 1, x_116);
+return x_120;
 }
 else
 {
-lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_53, 1);
-lean_inc(x_58);
-lean_dec(x_53);
-x_59 = 1;
-x_60 = lean_box(x_59);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
+uint8_t x_121; lean_object* x_122; 
+x_121 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_122 = l_Lean_Meta_processPostponed(x_5, x_121, x_6, x_7, x_8, x_9, x_114);
+if (lean_obj_tag(x_122) == 0)
+{
+lean_object* x_123; uint8_t x_124; 
+x_123 = lean_ctor_get(x_122, 0);
+lean_inc(x_123);
+x_124 = lean_unbox(x_123);
+lean_dec(x_123);
+if (x_124 == 0)
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_104);
+x_125 = lean_ctor_get(x_122, 1);
+lean_inc(x_125);
+lean_dec(x_122);
+x_126 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_125);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_128 = x_126;
+} else {
+ lean_dec_ref(x_126);
+ x_128 = lean_box(0);
+}
+x_129 = lean_box(x_121);
+if (lean_is_scalar(x_128)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_128;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_127);
+return x_130;
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; lean_object* x_140; lean_object* x_141; 
+lean_dec(x_12);
+x_131 = lean_ctor_get(x_122, 1);
+lean_inc(x_131);
+lean_dec(x_122);
+x_132 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_131);
+x_133 = lean_ctor_get(x_132, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_132, 1);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = l_Std_PersistentArray_append___rarg(x_104, x_133);
+x_136 = l_Lean_Meta_setPostponed(x_135, x_6, x_7, x_8, x_9, x_134);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ x_138 = x_136;
+} else {
+ lean_dec_ref(x_136);
+ x_138 = lean_box(0);
+}
+x_139 = 1;
+x_140 = lean_box(x_139);
+if (lean_is_scalar(x_138)) {
+ x_141 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_141 = x_138;
+}
+lean_ctor_set(x_141, 0, x_140);
+lean_ctor_set(x_141, 1, x_137);
+return x_141;
+}
+}
+else
+{
+lean_object* x_142; lean_object* x_143; 
+lean_dec(x_104);
+x_142 = lean_ctor_get(x_122, 0);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_122, 1);
+lean_inc(x_143);
+lean_dec(x_122);
+x_106 = x_142;
+x_107 = x_143;
+goto block_112;
+}
+}
 }
 }
 }
 else
 {
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_15);
-x_62 = lean_ctor_get(x_37, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_37, 1);
-lean_inc(x_63);
-lean_dec(x_37);
-x_17 = x_62;
-x_18 = x_63;
-goto block_24;
+lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_185; lean_object* x_186; lean_object* x_217; 
+x_161 = lean_ctor_get(x_17, 0);
+x_162 = lean_ctor_get(x_17, 2);
+x_163 = lean_ctor_get(x_17, 3);
+lean_inc(x_163);
+lean_inc(x_162);
+lean_inc(x_161);
+lean_dec(x_17);
+x_164 = lean_ctor_get(x_18, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_18, 1);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_18, 2);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_18, 3);
+lean_inc(x_167);
+x_168 = lean_ctor_get(x_18, 4);
+lean_inc(x_168);
+if (lean_is_exclusive(x_18)) {
+ lean_ctor_release(x_18, 0);
+ lean_ctor_release(x_18, 1);
+ lean_ctor_release(x_18, 2);
+ lean_ctor_release(x_18, 3);
+ lean_ctor_release(x_18, 4);
+ lean_ctor_release(x_18, 5);
+ x_169 = x_18;
+} else {
+ lean_dec_ref(x_18);
+ x_169 = lean_box(0);
+}
+x_170 = l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5;
+if (lean_is_scalar(x_169)) {
+ x_171 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_171 = x_169;
+}
+lean_ctor_set(x_171, 0, x_164);
+lean_ctor_set(x_171, 1, x_165);
+lean_ctor_set(x_171, 2, x_166);
+lean_ctor_set(x_171, 3, x_167);
+lean_ctor_set(x_171, 4, x_168);
+lean_ctor_set(x_171, 5, x_170);
+x_172 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_172, 0, x_161);
+lean_ctor_set(x_172, 1, x_171);
+lean_ctor_set(x_172, 2, x_162);
+lean_ctor_set(x_172, 3, x_163);
+x_173 = lean_st_ref_set(x_7, x_172, x_19);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_175 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_174);
+x_176 = lean_ctor_get(x_175, 0);
+lean_inc(x_176);
+x_177 = lean_ctor_get(x_175, 1);
+lean_inc(x_177);
+lean_dec(x_175);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_1);
+x_217 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs(x_1, x_3, x_4, x_6, x_7, x_8, x_9, x_177);
+if (lean_obj_tag(x_217) == 0)
+{
+lean_object* x_218; uint8_t x_219; 
+x_218 = lean_ctor_get(x_217, 0);
+lean_inc(x_218);
+x_219 = lean_unbox(x_218);
+if (x_219 == 0)
+{
+lean_object* x_220; uint8_t x_221; 
+lean_dec(x_2);
+lean_dec(x_1);
+x_220 = lean_ctor_get(x_217, 1);
+lean_inc(x_220);
+lean_dec(x_217);
+x_221 = lean_unbox(x_218);
+lean_dec(x_218);
+x_185 = x_221;
+x_186 = x_220;
+goto block_216;
+}
+else
+{
+lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; 
+lean_dec(x_218);
+x_222 = lean_ctor_get(x_217, 1);
+lean_inc(x_222);
+lean_dec(x_217);
+x_223 = l_Lean_Expr_constLevels_x21(x_1);
+x_224 = l_Lean_Expr_constLevels_x21(x_2);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_225 = l_Lean_Meta_isListLevelDefEqAux(x_223, x_224, x_6, x_7, x_8, x_9, x_222);
+if (lean_obj_tag(x_225) == 0)
+{
+lean_object* x_226; lean_object* x_227; uint8_t x_228; 
+x_226 = lean_ctor_get(x_225, 0);
+lean_inc(x_226);
+x_227 = lean_ctor_get(x_225, 1);
+lean_inc(x_227);
+lean_dec(x_225);
+x_228 = lean_unbox(x_226);
+lean_dec(x_226);
+x_185 = x_228;
+x_186 = x_227;
+goto block_216;
+}
+else
+{
+lean_object* x_229; lean_object* x_230; 
+lean_dec(x_176);
+x_229 = lean_ctor_get(x_225, 0);
+lean_inc(x_229);
+x_230 = lean_ctor_get(x_225, 1);
+lean_inc(x_230);
+lean_dec(x_225);
+x_178 = x_229;
+x_179 = x_230;
+goto block_184;
+}
+}
+}
+else
+{
+lean_object* x_231; lean_object* x_232; 
+lean_dec(x_176);
+lean_dec(x_2);
+lean_dec(x_1);
+x_231 = lean_ctor_get(x_217, 0);
+lean_inc(x_231);
+x_232 = lean_ctor_get(x_217, 1);
+lean_inc(x_232);
+lean_dec(x_217);
+x_178 = x_231;
+x_179 = x_232;
+goto block_184;
+}
+block_184:
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
+x_180 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_179);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_181 = lean_ctor_get(x_180, 1);
+lean_inc(x_181);
+if (lean_is_exclusive(x_180)) {
+ lean_ctor_release(x_180, 0);
+ lean_ctor_release(x_180, 1);
+ x_182 = x_180;
+} else {
+ lean_dec_ref(x_180);
+ x_182 = lean_box(0);
+}
+if (lean_is_scalar(x_182)) {
+ x_183 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_183 = x_182;
+ lean_ctor_set_tag(x_183, 1);
+}
+lean_ctor_set(x_183, 0, x_178);
+lean_ctor_set(x_183, 1, x_181);
+return x_183;
+}
+block_216:
+{
+if (x_185 == 0)
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; lean_object* x_191; lean_object* x_192; 
+lean_dec(x_176);
+x_187 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_186);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_188 = lean_ctor_get(x_187, 1);
+lean_inc(x_188);
+if (lean_is_exclusive(x_187)) {
+ lean_ctor_release(x_187, 0);
+ lean_ctor_release(x_187, 1);
+ x_189 = x_187;
+} else {
+ lean_dec_ref(x_187);
+ x_189 = lean_box(0);
+}
+x_190 = 0;
+x_191 = lean_box(x_190);
+if (lean_is_scalar(x_189)) {
+ x_192 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_192 = x_189;
+}
+lean_ctor_set(x_192, 0, x_191);
+lean_ctor_set(x_192, 1, x_188);
+return x_192;
+}
+else
+{
+uint8_t x_193; lean_object* x_194; 
+x_193 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_194 = l_Lean_Meta_processPostponed(x_5, x_193, x_6, x_7, x_8, x_9, x_186);
+if (lean_obj_tag(x_194) == 0)
+{
+lean_object* x_195; uint8_t x_196; 
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+x_196 = lean_unbox(x_195);
+lean_dec(x_195);
+if (x_196 == 0)
+{
+lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
+lean_dec(x_176);
+x_197 = lean_ctor_get(x_194, 1);
+lean_inc(x_197);
+lean_dec(x_194);
+x_198 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_197);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_199 = lean_ctor_get(x_198, 1);
+lean_inc(x_199);
+if (lean_is_exclusive(x_198)) {
+ lean_ctor_release(x_198, 0);
+ lean_ctor_release(x_198, 1);
+ x_200 = x_198;
+} else {
+ lean_dec_ref(x_198);
+ x_200 = lean_box(0);
+}
+x_201 = lean_box(x_193);
+if (lean_is_scalar(x_200)) {
+ x_202 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_202 = x_200;
+}
+lean_ctor_set(x_202, 0, x_201);
+lean_ctor_set(x_202, 1, x_199);
+return x_202;
+}
+else
+{
+lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; uint8_t x_211; lean_object* x_212; lean_object* x_213; 
+lean_dec(x_12);
+x_203 = lean_ctor_get(x_194, 1);
+lean_inc(x_203);
+lean_dec(x_194);
+x_204 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_203);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = l_Std_PersistentArray_append___rarg(x_176, x_205);
+x_208 = l_Lean_Meta_setPostponed(x_207, x_6, x_7, x_8, x_9, x_206);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_209 = lean_ctor_get(x_208, 1);
+lean_inc(x_209);
+if (lean_is_exclusive(x_208)) {
+ lean_ctor_release(x_208, 0);
+ lean_ctor_release(x_208, 1);
+ x_210 = x_208;
+} else {
+ lean_dec_ref(x_208);
+ x_210 = lean_box(0);
+}
+x_211 = 1;
+x_212 = lean_box(x_211);
+if (lean_is_scalar(x_210)) {
+ x_213 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_213 = x_210;
+}
+lean_ctor_set(x_213, 0, x_212);
+lean_ctor_set(x_213, 1, x_209);
+return x_213;
+}
+}
+else
+{
+lean_object* x_214; lean_object* x_215; 
+lean_dec(x_176);
+x_214 = lean_ctor_get(x_194, 0);
+lean_inc(x_214);
+x_215 = lean_ctor_get(x_194, 1);
+lean_inc(x_215);
+lean_dec(x_194);
+x_178 = x_214;
+x_179 = x_215;
+goto block_184;
+}
 }
 }
 }
@@ -74674,323 +75922,6 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_8; uint8_t x_9; 
-x_7 = l_Lean_Meta_getConfig(x_2, x_3, x_4, x_5, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get_uint8(x_8, 9);
-if (x_9 == 0)
-{
-uint8_t x_10; 
-lean_dec(x_8);
-x_10 = !lean_is_exclusive(x_7);
-if (x_10 == 0)
-{
-lean_object* x_11; uint8_t x_12; lean_object* x_13; 
-x_11 = lean_ctor_get(x_7, 0);
-lean_dec(x_11);
-x_12 = 1;
-x_13 = lean_box(x_12);
-lean_ctor_set(x_7, 0, x_13);
-return x_7;
-}
-else
-{
-lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_17; 
-x_14 = lean_ctor_get(x_7, 1);
-lean_inc(x_14);
-lean_dec(x_7);
-x_15 = 1;
-x_16 = lean_box(x_15);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_14);
-return x_17;
-}
-}
-else
-{
-uint8_t x_18; lean_object* x_19; 
-x_18 = lean_ctor_get_uint8(x_8, 13);
-x_19 = lean_box(x_18);
-if (lean_obj_tag(x_19) == 0)
-{
-uint8_t x_20; 
-x_20 = lean_ctor_get_uint8(x_8, 6);
-lean_dec(x_8);
-if (x_20 == 0)
-{
-uint8_t x_21; 
-x_21 = !lean_is_exclusive(x_7);
-if (x_21 == 0)
-{
-lean_object* x_22; uint8_t x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_7, 0);
-lean_dec(x_22);
-x_23 = 1;
-x_24 = lean_box(x_23);
-lean_ctor_set(x_7, 0, x_24);
-return x_7;
-}
-else
-{
-lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_25 = lean_ctor_get(x_7, 1);
-lean_inc(x_25);
-lean_dec(x_7);
-x_26 = 1;
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_25);
-return x_28;
-}
-}
-else
-{
-uint8_t x_29; 
-x_29 = !lean_is_exclusive(x_7);
-if (x_29 == 0)
-{
-lean_object* x_30; uint8_t x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_7, 0);
-lean_dec(x_30);
-x_31 = 0;
-x_32 = lean_box(x_31);
-lean_ctor_set(x_7, 0, x_32);
-return x_7;
-}
-else
-{
-lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
-x_33 = lean_ctor_get(x_7, 1);
-lean_inc(x_33);
-lean_dec(x_7);
-x_34 = 0;
-x_35 = lean_box(x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-}
-else
-{
-uint8_t x_37; 
-lean_dec(x_19);
-lean_dec(x_8);
-x_37 = !lean_is_exclusive(x_7);
-if (x_37 == 0)
-{
-lean_object* x_38; uint8_t x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_7, 0);
-lean_dec(x_38);
-x_39 = 1;
-x_40 = lean_box(x_39);
-lean_ctor_set(x_7, 0, x_40);
-return x_7;
-}
-else
-{
-lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; 
-x_41 = lean_ctor_get(x_7, 1);
-lean_inc(x_41);
-lean_dec(x_7);
-x_42 = 1;
-x_43 = lean_box(x_42);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
-}
-}
-}
-}
-}
-static lean_object* _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1___boxed), 6, 0);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2() {
-_start:
-{
-lean_object* x_1; 
-x_1 = l_Lean_Meta_smartUnfolding;
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9; 
-x_6 = l_Lean_Meta_getConfig(x_1, x_2, x_3, x_4, x_5);
-x_7 = lean_ctor_get(x_6, 0);
-lean_inc(x_7);
-x_8 = lean_ctor_get_uint8(x_7, 5);
-lean_dec(x_7);
-x_9 = lean_box(x_8);
-switch (lean_obj_tag(x_9)) {
-case 2:
-{
-uint8_t x_10; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_10 = !lean_is_exclusive(x_6);
-if (x_10 == 0)
-{
-lean_object* x_11; uint8_t x_12; lean_object* x_13; 
-x_11 = lean_ctor_get(x_6, 0);
-lean_dec(x_11);
-x_12 = 1;
-x_13 = lean_box(x_12);
-lean_ctor_set(x_6, 0, x_13);
-return x_6;
-}
-else
-{
-lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_17; 
-x_14 = lean_ctor_get(x_6, 1);
-lean_inc(x_14);
-lean_dec(x_6);
-x_15 = 1;
-x_16 = lean_box(x_15);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_14);
-return x_17;
-}
-}
-case 3:
-{
-uint8_t x_18; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_18 = !lean_is_exclusive(x_6);
-if (x_18 == 0)
-{
-lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_6, 0);
-lean_dec(x_19);
-x_20 = 1;
-x_21 = lean_box(x_20);
-lean_ctor_set(x_6, 0, x_21);
-return x_6;
-}
-else
-{
-lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; 
-x_22 = lean_ctor_get(x_6, 1);
-lean_inc(x_22);
-lean_dec(x_6);
-x_23 = 1;
-x_24 = lean_box(x_23);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_22);
-return x_25;
-}
-}
-default: 
-{
-uint8_t x_26; 
-lean_dec(x_9);
-x_26 = !lean_is_exclusive(x_6);
-if (x_26 == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_27 = lean_ctor_get(x_6, 1);
-x_28 = lean_ctor_get(x_6, 0);
-lean_dec(x_28);
-x_29 = lean_ctor_get(x_3, 2);
-lean_inc(x_29);
-x_30 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1;
-x_31 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2;
-x_32 = l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(x_29, x_31);
-lean_dec(x_29);
-if (x_32 == 0)
-{
-uint8_t x_33; lean_object* x_34; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_33 = 1;
-x_34 = lean_box(x_33);
-lean_ctor_set(x_6, 0, x_34);
-return x_6;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-lean_free_object(x_6);
-x_35 = lean_box(0);
-x_36 = lean_apply_6(x_30, x_35, x_1, x_2, x_3, x_4, x_27);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_37 = lean_ctor_get(x_6, 1);
-lean_inc(x_37);
-lean_dec(x_6);
-x_38 = lean_ctor_get(x_3, 2);
-lean_inc(x_38);
-x_39 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1;
-x_40 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2;
-x_41 = l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(x_38, x_40);
-lean_dec(x_38);
-if (x_41 == 0)
-{
-uint8_t x_42; lean_object* x_43; lean_object* x_44; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_42 = 1;
-x_43 = lean_box(x_42);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_37);
-return x_44;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_box(0);
-x_46 = lean_apply_6(x_39, x_45, x_1, x_2, x_3, x_4, x_37);
-return x_46;
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_7;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -75224,141 +76155,89 @@ lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__1(x_2, x_1);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = 2;
-x_10 = lean_box(x_9);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_10);
-lean_ctor_set(x_11, 1, x_7);
-return x_11;
-}
-else
-{
-lean_object* x_12; uint8_t x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_unbox(x_12);
-lean_dec(x_12);
-x_14 = l_Bool_toLBool(x_13);
-x_15 = lean_box(x_14);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_7);
-return x_16;
-}
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; uint8_t x_9; lean_object* x_10; 
-x_7 = l_Lean_Meta_getConfig(x_2, x_3, x_4, x_5, x_6);
-x_8 = lean_ctor_get(x_7, 0);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
+x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
-x_9 = lean_ctor_get_uint8(x_8, 5);
-lean_dec(x_8);
-x_10 = lean_box(x_9);
-switch (lean_obj_tag(x_10)) {
-case 0:
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_11 = lean_ctor_get(x_7, 1);
-lean_inc(x_11);
 lean_dec(x_7);
-x_12 = lean_st_ref_get(x_5, x_11);
-x_13 = lean_ctor_get(x_12, 1);
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_ctor_get(x_12, 5);
 lean_inc(x_13);
 lean_dec(x_12);
-x_14 = lean_st_ref_get(x_3, x_13);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = lean_ctor_get(x_15, 1);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_ctor_get(x_17, 6);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(x_1, x_18, x_2, x_3, x_4, x_5, x_16);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_19;
-}
-case 1:
+x_14 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__1(x_13, x_1);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_20 = lean_ctor_get(x_7, 1);
-lean_inc(x_20);
-lean_dec(x_7);
-x_21 = lean_st_ref_get(x_5, x_20);
-x_22 = lean_ctor_get(x_21, 1);
-lean_inc(x_22);
-lean_dec(x_21);
-x_23 = lean_st_ref_get(x_3, x_22);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_ctor_get(x_24, 1);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = lean_ctor_get(x_26, 5);
-lean_inc(x_27);
-lean_dec(x_26);
-x_28 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(x_1, x_27, x_2, x_3, x_4, x_5, x_25);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_28;
-}
-default: 
-{
-uint8_t x_29; 
-lean_dec(x_10);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = !lean_is_exclusive(x_7);
-if (x_29 == 0)
-{
-lean_object* x_30; uint8_t x_31; lean_object* x_32; 
-x_30 = lean_ctor_get(x_7, 0);
-lean_dec(x_30);
-x_31 = 2;
-x_32 = lean_box(x_31);
-lean_ctor_set(x_7, 0, x_32);
-return x_7;
+uint8_t x_15; lean_object* x_16; 
+x_15 = 2;
+x_16 = lean_box(x_15);
+lean_ctor_set(x_9, 0, x_16);
+return x_9;
 }
 else
 {
-lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
-x_33 = lean_ctor_get(x_7, 1);
-lean_inc(x_33);
-lean_dec(x_7);
-x_34 = 2;
-x_35 = lean_box(x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
+lean_object* x_17; uint8_t x_18; uint8_t x_19; lean_object* x_20; 
+x_17 = lean_ctor_get(x_14, 0);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = lean_unbox(x_17);
+lean_dec(x_17);
+x_19 = l_Bool_toLBool(x_18);
+x_20 = lean_box(x_19);
+lean_ctor_set(x_9, 0, x_20);
+return x_9;
 }
 }
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_21 = lean_ctor_get(x_9, 0);
+x_22 = lean_ctor_get(x_9, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_9);
+x_23 = lean_ctor_get(x_21, 1);
+lean_inc(x_23);
+lean_dec(x_21);
+x_24 = lean_ctor_get(x_23, 5);
+lean_inc(x_24);
+lean_dec(x_23);
+x_25 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__1(x_24, x_1);
+if (lean_obj_tag(x_25) == 0)
+{
+uint8_t x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = 2;
+x_27 = lean_box(x_26);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_22);
+return x_28;
+}
+else
+{
+lean_object* x_29; uint8_t x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_29 = lean_ctor_get(x_25, 0);
+lean_inc(x_29);
+lean_dec(x_25);
+x_30 = lean_unbox(x_29);
+lean_dec(x_29);
+x_31 = l_Bool_toLBool(x_30);
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_22);
+return x_33;
+}
 }
 }
 }
@@ -75384,16 +76263,16 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
+lean_object* x_7; 
+x_7 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_8;
+lean_dec(x_2);
+return x_7;
 }
 }
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__3(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -76041,28 +76920,6 @@ return x_134;
 }
 }
 }
-static lean_object* _init_l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Expr_instBEqExpr;
-x_2 = lean_alloc_closure((void*)(l_instBEqProd___rarg), 4, 2);
-lean_closure_set(x_2, 0, x_1);
-lean_closure_set(x_2, 1, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Expr_instHashableExpr;
-x_2 = lean_alloc_closure((void*)(l_instHashableProd___rarg___boxed), 3, 2);
-lean_closure_set(x_2, 0, x_1);
-lean_closure_set(x_2, 1, x_1);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3) {
 _start:
 {
@@ -76125,406 +76982,174 @@ return x_29;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; 
-x_8 = l_Lean_Meta_getConfig(x_3, x_4, x_5, x_6, x_7);
-x_9 = lean_ctor_get(x_8, 0);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_8 = lean_st_ref_get(x_6, x_7);
+x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
-x_10 = lean_ctor_get_uint8(x_9, 5);
-lean_dec(x_9);
-x_11 = lean_box(x_10);
-switch (lean_obj_tag(x_11)) {
-case 0:
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_12 = lean_ctor_get(x_8, 1);
+lean_dec(x_8);
+x_10 = lean_st_ref_take(x_4, x_9);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_st_ref_get(x_6, x_12);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_take(x_4, x_14);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_16, 1);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_15, 1);
-lean_inc(x_18);
+x_13 = lean_ctor_get(x_10, 1);
+lean_inc(x_13);
+lean_dec(x_10);
+x_14 = !lean_is_exclusive(x_11);
+if (x_14 == 0)
+{
+lean_object* x_15; uint8_t x_16; 
+x_15 = lean_ctor_get(x_11, 1);
 lean_dec(x_15);
-x_19 = !lean_is_exclusive(x_16);
-if (x_19 == 0)
+x_16 = !lean_is_exclusive(x_12);
+if (x_16 == 0)
 {
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_16, 1);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_17);
-if (x_21 == 0)
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_17 = lean_ctor_get(x_12, 5);
+x_18 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_17, x_1, x_2);
+lean_ctor_set(x_12, 5, x_18);
+x_19 = lean_st_ref_set(x_4, x_11, x_13);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = lean_ctor_get(x_17, 6);
-x_23 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_22, x_1, x_2);
-lean_ctor_set(x_17, 6, x_23);
-x_24 = lean_st_ref_set(x_4, x_16, x_18);
-x_25 = !lean_is_exclusive(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_ctor_get(x_24, 0);
-lean_dec(x_26);
-x_27 = lean_box(0);
-lean_ctor_set(x_24, 0, x_27);
-return x_24;
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_19, 0, x_22);
+return x_19;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-lean_dec(x_24);
-x_29 = lean_box(0);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
 }
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_31 = lean_ctor_get(x_17, 0);
-x_32 = lean_ctor_get(x_17, 1);
-x_33 = lean_ctor_get(x_17, 2);
-x_34 = lean_ctor_get(x_17, 3);
-x_35 = lean_ctor_get(x_17, 4);
-x_36 = lean_ctor_get(x_17, 5);
-x_37 = lean_ctor_get(x_17, 6);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_inc(x_33);
-lean_inc(x_32);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_26 = lean_ctor_get(x_12, 0);
+x_27 = lean_ctor_get(x_12, 1);
+x_28 = lean_ctor_get(x_12, 2);
+x_29 = lean_ctor_get(x_12, 3);
+x_30 = lean_ctor_get(x_12, 4);
+x_31 = lean_ctor_get(x_12, 5);
 lean_inc(x_31);
-lean_dec(x_17);
-x_38 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_37, x_1, x_2);
-x_39 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_39, 0, x_31);
-lean_ctor_set(x_39, 1, x_32);
-lean_ctor_set(x_39, 2, x_33);
-lean_ctor_set(x_39, 3, x_34);
-lean_ctor_set(x_39, 4, x_35);
-lean_ctor_set(x_39, 5, x_36);
-lean_ctor_set(x_39, 6, x_38);
-lean_ctor_set(x_16, 1, x_39);
-x_40 = lean_st_ref_set(x_4, x_16, x_18);
-x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_12);
+x_32 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_31, x_1, x_2);
+x_33 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_33, 0, x_26);
+lean_ctor_set(x_33, 1, x_27);
+lean_ctor_set(x_33, 2, x_28);
+lean_ctor_set(x_33, 3, x_29);
+lean_ctor_set(x_33, 4, x_30);
+lean_ctor_set(x_33, 5, x_32);
+lean_ctor_set(x_11, 1, x_33);
+x_34 = lean_st_ref_set(x_4, x_11, x_13);
+x_35 = lean_ctor_get(x_34, 1);
+lean_inc(x_35);
+if (lean_is_exclusive(x_34)) {
+ lean_ctor_release(x_34, 0);
+ lean_ctor_release(x_34, 1);
+ x_36 = x_34;
+} else {
+ lean_dec_ref(x_34);
+ x_36 = lean_box(0);
+}
+x_37 = lean_box(0);
+if (lean_is_scalar(x_36)) {
+ x_38 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_38 = x_36;
+}
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_35);
+return x_38;
+}
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_39 = lean_ctor_get(x_11, 0);
+x_40 = lean_ctor_get(x_11, 2);
+x_41 = lean_ctor_get(x_11, 3);
 lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
- x_42 = x_40;
-} else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
-}
-x_43 = lean_box(0);
-if (lean_is_scalar(x_42)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_44 = x_42;
-}
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_41);
-return x_44;
-}
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_45 = lean_ctor_get(x_16, 0);
-x_46 = lean_ctor_get(x_16, 2);
-x_47 = lean_ctor_get(x_16, 3);
-lean_inc(x_47);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_16);
-x_48 = lean_ctor_get(x_17, 0);
-lean_inc(x_48);
-x_49 = lean_ctor_get(x_17, 1);
-lean_inc(x_49);
-x_50 = lean_ctor_get(x_17, 2);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_17, 3);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_17, 4);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_17, 5);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_17, 6);
-lean_inc(x_54);
-if (lean_is_exclusive(x_17)) {
- lean_ctor_release(x_17, 0);
- lean_ctor_release(x_17, 1);
- lean_ctor_release(x_17, 2);
- lean_ctor_release(x_17, 3);
- lean_ctor_release(x_17, 4);
- lean_ctor_release(x_17, 5);
- lean_ctor_release(x_17, 6);
- x_55 = x_17;
-} else {
- lean_dec_ref(x_17);
- x_55 = lean_box(0);
-}
-x_56 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_54, x_1, x_2);
-if (lean_is_scalar(x_55)) {
- x_57 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_57 = x_55;
-}
-lean_ctor_set(x_57, 0, x_48);
-lean_ctor_set(x_57, 1, x_49);
-lean_ctor_set(x_57, 2, x_50);
-lean_ctor_set(x_57, 3, x_51);
-lean_ctor_set(x_57, 4, x_52);
-lean_ctor_set(x_57, 5, x_53);
-lean_ctor_set(x_57, 6, x_56);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_45);
-lean_ctor_set(x_58, 1, x_57);
-lean_ctor_set(x_58, 2, x_46);
-lean_ctor_set(x_58, 3, x_47);
-x_59 = lean_st_ref_set(x_4, x_58, x_18);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
-} else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
-}
-x_62 = lean_box(0);
-if (lean_is_scalar(x_61)) {
- x_63 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_63 = x_61;
-}
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_60);
-return x_63;
-}
-}
-case 1:
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; 
-x_64 = lean_ctor_get(x_8, 1);
-lean_inc(x_64);
-lean_dec(x_8);
-x_65 = lean_st_ref_get(x_6, x_64);
-x_66 = lean_ctor_get(x_65, 1);
-lean_inc(x_66);
-lean_dec(x_65);
-x_67 = lean_st_ref_take(x_4, x_66);
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_67, 1);
-lean_inc(x_70);
-lean_dec(x_67);
-x_71 = !lean_is_exclusive(x_68);
-if (x_71 == 0)
-{
-lean_object* x_72; uint8_t x_73; 
-x_72 = lean_ctor_get(x_68, 1);
-lean_dec(x_72);
-x_73 = !lean_is_exclusive(x_69);
-if (x_73 == 0)
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
-x_74 = lean_ctor_get(x_69, 5);
-x_75 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_74, x_1, x_2);
-lean_ctor_set(x_69, 5, x_75);
-x_76 = lean_st_ref_set(x_4, x_68, x_70);
-x_77 = !lean_is_exclusive(x_76);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_76, 0);
-lean_dec(x_78);
-x_79 = lean_box(0);
-lean_ctor_set(x_76, 0, x_79);
-return x_76;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_76, 1);
-lean_inc(x_80);
-lean_dec(x_76);
-x_81 = lean_box(0);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_80);
-return x_82;
-}
-}
-else
-{
-lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_83 = lean_ctor_get(x_69, 0);
-x_84 = lean_ctor_get(x_69, 1);
-x_85 = lean_ctor_get(x_69, 2);
-x_86 = lean_ctor_get(x_69, 3);
-x_87 = lean_ctor_get(x_69, 4);
-x_88 = lean_ctor_get(x_69, 6);
-x_89 = lean_ctor_get(x_69, 5);
-lean_inc(x_88);
-lean_inc(x_89);
-lean_inc(x_87);
-lean_inc(x_86);
-lean_inc(x_85);
-lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_69);
-x_90 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_89, x_1, x_2);
-x_91 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_91, 0, x_83);
-lean_ctor_set(x_91, 1, x_84);
-lean_ctor_set(x_91, 2, x_85);
-lean_ctor_set(x_91, 3, x_86);
-lean_ctor_set(x_91, 4, x_87);
-lean_ctor_set(x_91, 5, x_90);
-lean_ctor_set(x_91, 6, x_88);
-lean_ctor_set(x_68, 1, x_91);
-x_92 = lean_st_ref_set(x_4, x_68, x_70);
-x_93 = lean_ctor_get(x_92, 1);
-lean_inc(x_93);
-if (lean_is_exclusive(x_92)) {
- lean_ctor_release(x_92, 0);
- lean_ctor_release(x_92, 1);
- x_94 = x_92;
-} else {
- lean_dec_ref(x_92);
- x_94 = lean_box(0);
-}
-x_95 = lean_box(0);
-if (lean_is_scalar(x_94)) {
- x_96 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_96 = x_94;
-}
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_93);
-return x_96;
-}
-}
-else
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_97 = lean_ctor_get(x_68, 0);
-x_98 = lean_ctor_get(x_68, 2);
-x_99 = lean_ctor_get(x_68, 3);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_68);
-x_100 = lean_ctor_get(x_69, 0);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_69, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_69, 2);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_69, 3);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_69, 4);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_69, 6);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_69, 5);
-lean_inc(x_106);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- lean_ctor_release(x_69, 2);
- lean_ctor_release(x_69, 3);
- lean_ctor_release(x_69, 4);
- lean_ctor_release(x_69, 5);
- lean_ctor_release(x_69, 6);
- x_107 = x_69;
-} else {
- lean_dec_ref(x_69);
- x_107 = lean_box(0);
-}
-x_108 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_106, x_1, x_2);
-if (lean_is_scalar(x_107)) {
- x_109 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_109 = x_107;
-}
-lean_ctor_set(x_109, 0, x_100);
-lean_ctor_set(x_109, 1, x_101);
-lean_ctor_set(x_109, 2, x_102);
-lean_ctor_set(x_109, 3, x_103);
-lean_ctor_set(x_109, 4, x_104);
-lean_ctor_set(x_109, 5, x_108);
-lean_ctor_set(x_109, 6, x_105);
-x_110 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_110, 0, x_97);
-lean_ctor_set(x_110, 1, x_109);
-lean_ctor_set(x_110, 2, x_98);
-lean_ctor_set(x_110, 3, x_99);
-x_111 = lean_st_ref_set(x_4, x_110, x_70);
-x_112 = lean_ctor_get(x_111, 1);
-lean_inc(x_112);
-if (lean_is_exclusive(x_111)) {
- lean_ctor_release(x_111, 0);
- lean_ctor_release(x_111, 1);
- x_113 = x_111;
-} else {
- lean_dec_ref(x_111);
- x_113 = lean_box(0);
-}
-x_114 = lean_box(0);
-if (lean_is_scalar(x_113)) {
- x_115 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_115 = x_113;
-}
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_112);
-return x_115;
-}
-}
-default: 
-{
-uint8_t x_116; 
+lean_inc(x_40);
+lean_inc(x_39);
 lean_dec(x_11);
-lean_dec(x_1);
-x_116 = !lean_is_exclusive(x_8);
-if (x_116 == 0)
-{
-lean_object* x_117; lean_object* x_118; 
-x_117 = lean_ctor_get(x_8, 0);
-lean_dec(x_117);
-x_118 = lean_box(0);
-lean_ctor_set(x_8, 0, x_118);
-return x_8;
+x_42 = lean_ctor_get(x_12, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_12, 1);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_12, 2);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_12, 3);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_12, 4);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_12, 5);
+lean_inc(x_47);
+if (lean_is_exclusive(x_12)) {
+ lean_ctor_release(x_12, 0);
+ lean_ctor_release(x_12, 1);
+ lean_ctor_release(x_12, 2);
+ lean_ctor_release(x_12, 3);
+ lean_ctor_release(x_12, 4);
+ lean_ctor_release(x_12, 5);
+ x_48 = x_12;
+} else {
+ lean_dec_ref(x_12);
+ x_48 = lean_box(0);
 }
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_8, 1);
-lean_inc(x_119);
-lean_dec(x_8);
-x_120 = lean_box(0);
-x_121 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_121, 0, x_120);
-lean_ctor_set(x_121, 1, x_119);
-return x_121;
+x_49 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1(x_47, x_1, x_2);
+if (lean_is_scalar(x_48)) {
+ x_50 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_50 = x_48;
 }
+lean_ctor_set(x_50, 0, x_42);
+lean_ctor_set(x_50, 1, x_43);
+lean_ctor_set(x_50, 2, x_44);
+lean_ctor_set(x_50, 3, x_45);
+lean_ctor_set(x_50, 4, x_46);
+lean_ctor_set(x_50, 5, x_49);
+x_51 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_51, 0, x_39);
+lean_ctor_set(x_51, 1, x_50);
+lean_ctor_set(x_51, 2, x_40);
+lean_ctor_set(x_51, 3, x_41);
+x_52 = lean_st_ref_set(x_4, x_51, x_13);
+x_53 = lean_ctor_get(x_52, 1);
+lean_inc(x_53);
+if (lean_is_exclusive(x_52)) {
+ lean_ctor_release(x_52, 0);
+ lean_ctor_release(x_52, 1);
+ x_54 = x_52;
+} else {
+ lean_dec_ref(x_52);
+ x_54 = lean_box(0);
 }
+x_55 = lean_box(0);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_56 = x_54;
+}
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_53);
+return x_56;
 }
 }
 }
@@ -76588,1908 +77213,6 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_withResetUsedAssignment___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_20 = lean_st_ref_get(x_5, x_6);
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_st_ref_get(x_3, x_21);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_ctor_get(x_23, 0);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-lean_dec(x_25);
-x_27 = lean_st_ref_get(x_5, x_24);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-lean_dec(x_27);
-x_29 = lean_st_ref_take(x_3, x_28);
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_29, 1);
-lean_inc(x_32);
-lean_dec(x_29);
-x_33 = !lean_is_exclusive(x_30);
-if (x_33 == 0)
-{
-lean_object* x_34; uint8_t x_35; 
-x_34 = lean_ctor_get(x_30, 0);
-lean_dec(x_34);
-x_35 = !lean_is_exclusive(x_31);
-if (x_35 == 0)
-{
-uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = 0;
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_36);
-x_37 = lean_st_ref_set(x_3, x_30, x_32);
-x_38 = lean_ctor_get(x_37, 1);
-lean_inc(x_38);
-lean_dec(x_37);
-lean_inc(x_5);
-lean_inc(x_3);
-x_39 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_38);
-if (lean_obj_tag(x_39) == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
-lean_inc(x_41);
-lean_dec(x_39);
-x_42 = lean_st_ref_get(x_5, x_41);
-lean_dec(x_5);
-x_43 = lean_ctor_get(x_42, 1);
-lean_inc(x_43);
-lean_dec(x_42);
-x_44 = lean_st_ref_take(x_3, x_43);
-x_45 = lean_ctor_get(x_44, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-if (x_26 == 0)
-{
-lean_object* x_47; uint8_t x_48; 
-x_47 = lean_ctor_get(x_44, 1);
-lean_inc(x_47);
-lean_dec(x_44);
-x_48 = !lean_is_exclusive(x_45);
-if (x_48 == 0)
-{
-lean_object* x_49; uint8_t x_50; 
-x_49 = lean_ctor_get(x_45, 0);
-lean_dec(x_49);
-x_50 = !lean_is_exclusive(x_46);
-if (x_50 == 0)
-{
-lean_object* x_51; uint8_t x_52; 
-x_51 = lean_st_ref_set(x_3, x_45, x_47);
-lean_dec(x_3);
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_51, 0);
-lean_dec(x_53);
-x_54 = lean_box(0);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_40);
-lean_ctor_set(x_55, 1, x_54);
-lean_ctor_set(x_51, 0, x_55);
-x_7 = x_51;
-goto block_19;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_56 = lean_ctor_get(x_51, 1);
-lean_inc(x_56);
-lean_dec(x_51);
-x_57 = lean_box(0);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_40);
-lean_ctor_set(x_58, 1, x_57);
-x_59 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_56);
-x_7 = x_59;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_60 = lean_ctor_get(x_46, 0);
-x_61 = lean_ctor_get(x_46, 1);
-x_62 = lean_ctor_get(x_46, 2);
-x_63 = lean_ctor_get(x_46, 3);
-x_64 = lean_ctor_get(x_46, 4);
-x_65 = lean_ctor_get(x_46, 5);
-x_66 = lean_ctor_get(x_46, 6);
-x_67 = lean_ctor_get(x_46, 7);
-x_68 = lean_ctor_get_uint8(x_46, sizeof(void*)*8);
-lean_inc(x_67);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_46);
-x_69 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_69, 0, x_60);
-lean_ctor_set(x_69, 1, x_61);
-lean_ctor_set(x_69, 2, x_62);
-lean_ctor_set(x_69, 3, x_63);
-lean_ctor_set(x_69, 4, x_64);
-lean_ctor_set(x_69, 5, x_65);
-lean_ctor_set(x_69, 6, x_66);
-lean_ctor_set(x_69, 7, x_67);
-lean_ctor_set_uint8(x_69, sizeof(void*)*8, x_68);
-lean_ctor_set(x_45, 0, x_69);
-x_70 = lean_st_ref_set(x_3, x_45, x_47);
-lean_dec(x_3);
-x_71 = lean_ctor_get(x_70, 1);
-lean_inc(x_71);
-if (lean_is_exclusive(x_70)) {
- lean_ctor_release(x_70, 0);
- lean_ctor_release(x_70, 1);
- x_72 = x_70;
-} else {
- lean_dec_ref(x_70);
- x_72 = lean_box(0);
-}
-x_73 = lean_box(0);
-x_74 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_74, 0, x_40);
-lean_ctor_set(x_74, 1, x_73);
-if (lean_is_scalar(x_72)) {
- x_75 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_75 = x_72;
-}
-lean_ctor_set(x_75, 0, x_74);
-lean_ctor_set(x_75, 1, x_71);
-x_7 = x_75;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_76 = lean_ctor_get(x_45, 1);
-x_77 = lean_ctor_get(x_45, 2);
-x_78 = lean_ctor_get(x_45, 3);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_dec(x_45);
-x_79 = lean_ctor_get(x_46, 0);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_46, 1);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_46, 2);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_46, 3);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_46, 4);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_46, 5);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_46, 6);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_46, 7);
-lean_inc(x_86);
-x_87 = lean_ctor_get_uint8(x_46, sizeof(void*)*8);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- lean_ctor_release(x_46, 2);
- lean_ctor_release(x_46, 3);
- lean_ctor_release(x_46, 4);
- lean_ctor_release(x_46, 5);
- lean_ctor_release(x_46, 6);
- lean_ctor_release(x_46, 7);
- x_88 = x_46;
-} else {
- lean_dec_ref(x_46);
- x_88 = lean_box(0);
-}
-if (lean_is_scalar(x_88)) {
- x_89 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_89 = x_88;
-}
-lean_ctor_set(x_89, 0, x_79);
-lean_ctor_set(x_89, 1, x_80);
-lean_ctor_set(x_89, 2, x_81);
-lean_ctor_set(x_89, 3, x_82);
-lean_ctor_set(x_89, 4, x_83);
-lean_ctor_set(x_89, 5, x_84);
-lean_ctor_set(x_89, 6, x_85);
-lean_ctor_set(x_89, 7, x_86);
-lean_ctor_set_uint8(x_89, sizeof(void*)*8, x_87);
-x_90 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_76);
-lean_ctor_set(x_90, 2, x_77);
-lean_ctor_set(x_90, 3, x_78);
-x_91 = lean_st_ref_set(x_3, x_90, x_47);
-lean_dec(x_3);
-x_92 = lean_ctor_get(x_91, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- x_93 = x_91;
-} else {
- lean_dec_ref(x_91);
- x_93 = lean_box(0);
-}
-x_94 = lean_box(0);
-x_95 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_95, 0, x_40);
-lean_ctor_set(x_95, 1, x_94);
-if (lean_is_scalar(x_93)) {
- x_96 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_96 = x_93;
-}
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_92);
-x_7 = x_96;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_97; uint8_t x_98; 
-x_97 = lean_ctor_get(x_44, 1);
-lean_inc(x_97);
-lean_dec(x_44);
-x_98 = !lean_is_exclusive(x_45);
-if (x_98 == 0)
-{
-lean_object* x_99; uint8_t x_100; 
-x_99 = lean_ctor_get(x_45, 0);
-lean_dec(x_99);
-x_100 = !lean_is_exclusive(x_46);
-if (x_100 == 0)
-{
-uint8_t x_101; lean_object* x_102; uint8_t x_103; 
-x_101 = 1;
-lean_ctor_set_uint8(x_46, sizeof(void*)*8, x_101);
-x_102 = lean_st_ref_set(x_3, x_45, x_97);
-lean_dec(x_3);
-x_103 = !lean_is_exclusive(x_102);
-if (x_103 == 0)
-{
-lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_104 = lean_ctor_get(x_102, 0);
-lean_dec(x_104);
-x_105 = lean_box(0);
-x_106 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_106, 0, x_40);
-lean_ctor_set(x_106, 1, x_105);
-lean_ctor_set(x_102, 0, x_106);
-x_7 = x_102;
-goto block_19;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_107 = lean_ctor_get(x_102, 1);
-lean_inc(x_107);
-lean_dec(x_102);
-x_108 = lean_box(0);
-x_109 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_109, 0, x_40);
-lean_ctor_set(x_109, 1, x_108);
-x_110 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-x_7 = x_110;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; uint8_t x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_111 = lean_ctor_get(x_46, 0);
-x_112 = lean_ctor_get(x_46, 1);
-x_113 = lean_ctor_get(x_46, 2);
-x_114 = lean_ctor_get(x_46, 3);
-x_115 = lean_ctor_get(x_46, 4);
-x_116 = lean_ctor_get(x_46, 5);
-x_117 = lean_ctor_get(x_46, 6);
-x_118 = lean_ctor_get(x_46, 7);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_inc(x_116);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_inc(x_113);
-lean_inc(x_112);
-lean_inc(x_111);
-lean_dec(x_46);
-x_119 = 1;
-x_120 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_120, 0, x_111);
-lean_ctor_set(x_120, 1, x_112);
-lean_ctor_set(x_120, 2, x_113);
-lean_ctor_set(x_120, 3, x_114);
-lean_ctor_set(x_120, 4, x_115);
-lean_ctor_set(x_120, 5, x_116);
-lean_ctor_set(x_120, 6, x_117);
-lean_ctor_set(x_120, 7, x_118);
-lean_ctor_set_uint8(x_120, sizeof(void*)*8, x_119);
-lean_ctor_set(x_45, 0, x_120);
-x_121 = lean_st_ref_set(x_3, x_45, x_97);
-lean_dec(x_3);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
-if (lean_is_exclusive(x_121)) {
- lean_ctor_release(x_121, 0);
- lean_ctor_release(x_121, 1);
- x_123 = x_121;
-} else {
- lean_dec_ref(x_121);
- x_123 = lean_box(0);
-}
-x_124 = lean_box(0);
-x_125 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_125, 0, x_40);
-lean_ctor_set(x_125, 1, x_124);
-if (lean_is_scalar(x_123)) {
- x_126 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_126 = x_123;
-}
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_122);
-x_7 = x_126;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-x_127 = lean_ctor_get(x_45, 1);
-x_128 = lean_ctor_get(x_45, 2);
-x_129 = lean_ctor_get(x_45, 3);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_inc(x_127);
-lean_dec(x_45);
-x_130 = lean_ctor_get(x_46, 0);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_46, 1);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_46, 2);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_46, 3);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_46, 4);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_46, 5);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_46, 6);
-lean_inc(x_136);
-x_137 = lean_ctor_get(x_46, 7);
-lean_inc(x_137);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- lean_ctor_release(x_46, 2);
- lean_ctor_release(x_46, 3);
- lean_ctor_release(x_46, 4);
- lean_ctor_release(x_46, 5);
- lean_ctor_release(x_46, 6);
- lean_ctor_release(x_46, 7);
- x_138 = x_46;
-} else {
- lean_dec_ref(x_46);
- x_138 = lean_box(0);
-}
-x_139 = 1;
-if (lean_is_scalar(x_138)) {
- x_140 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_140 = x_138;
-}
-lean_ctor_set(x_140, 0, x_130);
-lean_ctor_set(x_140, 1, x_131);
-lean_ctor_set(x_140, 2, x_132);
-lean_ctor_set(x_140, 3, x_133);
-lean_ctor_set(x_140, 4, x_134);
-lean_ctor_set(x_140, 5, x_135);
-lean_ctor_set(x_140, 6, x_136);
-lean_ctor_set(x_140, 7, x_137);
-lean_ctor_set_uint8(x_140, sizeof(void*)*8, x_139);
-x_141 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_141, 0, x_140);
-lean_ctor_set(x_141, 1, x_127);
-lean_ctor_set(x_141, 2, x_128);
-lean_ctor_set(x_141, 3, x_129);
-x_142 = lean_st_ref_set(x_3, x_141, x_97);
-lean_dec(x_3);
-x_143 = lean_ctor_get(x_142, 1);
-lean_inc(x_143);
-if (lean_is_exclusive(x_142)) {
- lean_ctor_release(x_142, 0);
- lean_ctor_release(x_142, 1);
- x_144 = x_142;
-} else {
- lean_dec_ref(x_142);
- x_144 = lean_box(0);
-}
-x_145 = lean_box(0);
-x_146 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_146, 0, x_40);
-lean_ctor_set(x_146, 1, x_145);
-if (lean_is_scalar(x_144)) {
- x_147 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_147 = x_144;
-}
-lean_ctor_set(x_147, 0, x_146);
-lean_ctor_set(x_147, 1, x_143);
-x_7 = x_147;
-goto block_19;
-}
-}
-}
-else
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_148 = lean_ctor_get(x_39, 0);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_39, 1);
-lean_inc(x_149);
-lean_dec(x_39);
-x_150 = lean_st_ref_get(x_5, x_149);
-lean_dec(x_5);
-x_151 = lean_ctor_get(x_150, 1);
-lean_inc(x_151);
-lean_dec(x_150);
-x_152 = lean_st_ref_take(x_3, x_151);
-x_153 = lean_ctor_get(x_152, 0);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_153, 0);
-lean_inc(x_154);
-if (x_26 == 0)
-{
-lean_object* x_155; uint8_t x_156; 
-x_155 = lean_ctor_get(x_152, 1);
-lean_inc(x_155);
-lean_dec(x_152);
-x_156 = !lean_is_exclusive(x_153);
-if (x_156 == 0)
-{
-lean_object* x_157; uint8_t x_158; 
-x_157 = lean_ctor_get(x_153, 0);
-lean_dec(x_157);
-x_158 = !lean_is_exclusive(x_154);
-if (x_158 == 0)
-{
-lean_object* x_159; uint8_t x_160; 
-x_159 = lean_st_ref_set(x_3, x_153, x_155);
-lean_dec(x_3);
-x_160 = !lean_is_exclusive(x_159);
-if (x_160 == 0)
-{
-lean_object* x_161; 
-x_161 = lean_ctor_get(x_159, 0);
-lean_dec(x_161);
-lean_ctor_set_tag(x_159, 1);
-lean_ctor_set(x_159, 0, x_148);
-x_7 = x_159;
-goto block_19;
-}
-else
-{
-lean_object* x_162; lean_object* x_163; 
-x_162 = lean_ctor_get(x_159, 1);
-lean_inc(x_162);
-lean_dec(x_159);
-x_163 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_163, 0, x_148);
-lean_ctor_set(x_163, 1, x_162);
-x_7 = x_163;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; uint8_t x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_164 = lean_ctor_get(x_154, 0);
-x_165 = lean_ctor_get(x_154, 1);
-x_166 = lean_ctor_get(x_154, 2);
-x_167 = lean_ctor_get(x_154, 3);
-x_168 = lean_ctor_get(x_154, 4);
-x_169 = lean_ctor_get(x_154, 5);
-x_170 = lean_ctor_get(x_154, 6);
-x_171 = lean_ctor_get(x_154, 7);
-x_172 = lean_ctor_get_uint8(x_154, sizeof(void*)*8);
-lean_inc(x_171);
-lean_inc(x_170);
-lean_inc(x_169);
-lean_inc(x_168);
-lean_inc(x_167);
-lean_inc(x_166);
-lean_inc(x_165);
-lean_inc(x_164);
-lean_dec(x_154);
-x_173 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_173, 0, x_164);
-lean_ctor_set(x_173, 1, x_165);
-lean_ctor_set(x_173, 2, x_166);
-lean_ctor_set(x_173, 3, x_167);
-lean_ctor_set(x_173, 4, x_168);
-lean_ctor_set(x_173, 5, x_169);
-lean_ctor_set(x_173, 6, x_170);
-lean_ctor_set(x_173, 7, x_171);
-lean_ctor_set_uint8(x_173, sizeof(void*)*8, x_172);
-lean_ctor_set(x_153, 0, x_173);
-x_174 = lean_st_ref_set(x_3, x_153, x_155);
-lean_dec(x_3);
-x_175 = lean_ctor_get(x_174, 1);
-lean_inc(x_175);
-if (lean_is_exclusive(x_174)) {
- lean_ctor_release(x_174, 0);
- lean_ctor_release(x_174, 1);
- x_176 = x_174;
-} else {
- lean_dec_ref(x_174);
- x_176 = lean_box(0);
-}
-if (lean_is_scalar(x_176)) {
- x_177 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_177 = x_176;
- lean_ctor_set_tag(x_177, 1);
-}
-lean_ctor_set(x_177, 0, x_148);
-lean_ctor_set(x_177, 1, x_175);
-x_7 = x_177;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; uint8_t x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; 
-x_178 = lean_ctor_get(x_153, 1);
-x_179 = lean_ctor_get(x_153, 2);
-x_180 = lean_ctor_get(x_153, 3);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_dec(x_153);
-x_181 = lean_ctor_get(x_154, 0);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_154, 1);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_154, 2);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_154, 3);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_154, 4);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_154, 5);
-lean_inc(x_186);
-x_187 = lean_ctor_get(x_154, 6);
-lean_inc(x_187);
-x_188 = lean_ctor_get(x_154, 7);
-lean_inc(x_188);
-x_189 = lean_ctor_get_uint8(x_154, sizeof(void*)*8);
-if (lean_is_exclusive(x_154)) {
- lean_ctor_release(x_154, 0);
- lean_ctor_release(x_154, 1);
- lean_ctor_release(x_154, 2);
- lean_ctor_release(x_154, 3);
- lean_ctor_release(x_154, 4);
- lean_ctor_release(x_154, 5);
- lean_ctor_release(x_154, 6);
- lean_ctor_release(x_154, 7);
- x_190 = x_154;
-} else {
- lean_dec_ref(x_154);
- x_190 = lean_box(0);
-}
-if (lean_is_scalar(x_190)) {
- x_191 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_191 = x_190;
-}
-lean_ctor_set(x_191, 0, x_181);
-lean_ctor_set(x_191, 1, x_182);
-lean_ctor_set(x_191, 2, x_183);
-lean_ctor_set(x_191, 3, x_184);
-lean_ctor_set(x_191, 4, x_185);
-lean_ctor_set(x_191, 5, x_186);
-lean_ctor_set(x_191, 6, x_187);
-lean_ctor_set(x_191, 7, x_188);
-lean_ctor_set_uint8(x_191, sizeof(void*)*8, x_189);
-x_192 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_192, 0, x_191);
-lean_ctor_set(x_192, 1, x_178);
-lean_ctor_set(x_192, 2, x_179);
-lean_ctor_set(x_192, 3, x_180);
-x_193 = lean_st_ref_set(x_3, x_192, x_155);
-lean_dec(x_3);
-x_194 = lean_ctor_get(x_193, 1);
-lean_inc(x_194);
-if (lean_is_exclusive(x_193)) {
- lean_ctor_release(x_193, 0);
- lean_ctor_release(x_193, 1);
- x_195 = x_193;
-} else {
- lean_dec_ref(x_193);
- x_195 = lean_box(0);
-}
-if (lean_is_scalar(x_195)) {
- x_196 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_196 = x_195;
- lean_ctor_set_tag(x_196, 1);
-}
-lean_ctor_set(x_196, 0, x_148);
-lean_ctor_set(x_196, 1, x_194);
-x_7 = x_196;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_197; uint8_t x_198; 
-x_197 = lean_ctor_get(x_152, 1);
-lean_inc(x_197);
-lean_dec(x_152);
-x_198 = !lean_is_exclusive(x_153);
-if (x_198 == 0)
-{
-lean_object* x_199; uint8_t x_200; 
-x_199 = lean_ctor_get(x_153, 0);
-lean_dec(x_199);
-x_200 = !lean_is_exclusive(x_154);
-if (x_200 == 0)
-{
-uint8_t x_201; lean_object* x_202; uint8_t x_203; 
-x_201 = 1;
-lean_ctor_set_uint8(x_154, sizeof(void*)*8, x_201);
-x_202 = lean_st_ref_set(x_3, x_153, x_197);
-lean_dec(x_3);
-x_203 = !lean_is_exclusive(x_202);
-if (x_203 == 0)
-{
-lean_object* x_204; 
-x_204 = lean_ctor_get(x_202, 0);
-lean_dec(x_204);
-lean_ctor_set_tag(x_202, 1);
-lean_ctor_set(x_202, 0, x_148);
-x_7 = x_202;
-goto block_19;
-}
-else
-{
-lean_object* x_205; lean_object* x_206; 
-x_205 = lean_ctor_get(x_202, 1);
-lean_inc(x_205);
-lean_dec(x_202);
-x_206 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_206, 0, x_148);
-lean_ctor_set(x_206, 1, x_205);
-x_7 = x_206;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; uint8_t x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; 
-x_207 = lean_ctor_get(x_154, 0);
-x_208 = lean_ctor_get(x_154, 1);
-x_209 = lean_ctor_get(x_154, 2);
-x_210 = lean_ctor_get(x_154, 3);
-x_211 = lean_ctor_get(x_154, 4);
-x_212 = lean_ctor_get(x_154, 5);
-x_213 = lean_ctor_get(x_154, 6);
-x_214 = lean_ctor_get(x_154, 7);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_inc(x_211);
-lean_inc(x_210);
-lean_inc(x_209);
-lean_inc(x_208);
-lean_inc(x_207);
-lean_dec(x_154);
-x_215 = 1;
-x_216 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_216, 0, x_207);
-lean_ctor_set(x_216, 1, x_208);
-lean_ctor_set(x_216, 2, x_209);
-lean_ctor_set(x_216, 3, x_210);
-lean_ctor_set(x_216, 4, x_211);
-lean_ctor_set(x_216, 5, x_212);
-lean_ctor_set(x_216, 6, x_213);
-lean_ctor_set(x_216, 7, x_214);
-lean_ctor_set_uint8(x_216, sizeof(void*)*8, x_215);
-lean_ctor_set(x_153, 0, x_216);
-x_217 = lean_st_ref_set(x_3, x_153, x_197);
-lean_dec(x_3);
-x_218 = lean_ctor_get(x_217, 1);
-lean_inc(x_218);
-if (lean_is_exclusive(x_217)) {
- lean_ctor_release(x_217, 0);
- lean_ctor_release(x_217, 1);
- x_219 = x_217;
-} else {
- lean_dec_ref(x_217);
- x_219 = lean_box(0);
-}
-if (lean_is_scalar(x_219)) {
- x_220 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_220 = x_219;
- lean_ctor_set_tag(x_220, 1);
-}
-lean_ctor_set(x_220, 0, x_148);
-lean_ctor_set(x_220, 1, x_218);
-x_7 = x_220;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; uint8_t x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; 
-x_221 = lean_ctor_get(x_153, 1);
-x_222 = lean_ctor_get(x_153, 2);
-x_223 = lean_ctor_get(x_153, 3);
-lean_inc(x_223);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_dec(x_153);
-x_224 = lean_ctor_get(x_154, 0);
-lean_inc(x_224);
-x_225 = lean_ctor_get(x_154, 1);
-lean_inc(x_225);
-x_226 = lean_ctor_get(x_154, 2);
-lean_inc(x_226);
-x_227 = lean_ctor_get(x_154, 3);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_154, 4);
-lean_inc(x_228);
-x_229 = lean_ctor_get(x_154, 5);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_154, 6);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_154, 7);
-lean_inc(x_231);
-if (lean_is_exclusive(x_154)) {
- lean_ctor_release(x_154, 0);
- lean_ctor_release(x_154, 1);
- lean_ctor_release(x_154, 2);
- lean_ctor_release(x_154, 3);
- lean_ctor_release(x_154, 4);
- lean_ctor_release(x_154, 5);
- lean_ctor_release(x_154, 6);
- lean_ctor_release(x_154, 7);
- x_232 = x_154;
-} else {
- lean_dec_ref(x_154);
- x_232 = lean_box(0);
-}
-x_233 = 1;
-if (lean_is_scalar(x_232)) {
- x_234 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_234 = x_232;
-}
-lean_ctor_set(x_234, 0, x_224);
-lean_ctor_set(x_234, 1, x_225);
-lean_ctor_set(x_234, 2, x_226);
-lean_ctor_set(x_234, 3, x_227);
-lean_ctor_set(x_234, 4, x_228);
-lean_ctor_set(x_234, 5, x_229);
-lean_ctor_set(x_234, 6, x_230);
-lean_ctor_set(x_234, 7, x_231);
-lean_ctor_set_uint8(x_234, sizeof(void*)*8, x_233);
-x_235 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_221);
-lean_ctor_set(x_235, 2, x_222);
-lean_ctor_set(x_235, 3, x_223);
-x_236 = lean_st_ref_set(x_3, x_235, x_197);
-lean_dec(x_3);
-x_237 = lean_ctor_get(x_236, 1);
-lean_inc(x_237);
-if (lean_is_exclusive(x_236)) {
- lean_ctor_release(x_236, 0);
- lean_ctor_release(x_236, 1);
- x_238 = x_236;
-} else {
- lean_dec_ref(x_236);
- x_238 = lean_box(0);
-}
-if (lean_is_scalar(x_238)) {
- x_239 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_239 = x_238;
- lean_ctor_set_tag(x_239, 1);
-}
-lean_ctor_set(x_239, 0, x_148);
-lean_ctor_set(x_239, 1, x_237);
-x_7 = x_239;
-goto block_19;
-}
-}
-}
-}
-else
-{
-lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; uint8_t x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; 
-x_240 = lean_ctor_get(x_31, 0);
-x_241 = lean_ctor_get(x_31, 1);
-x_242 = lean_ctor_get(x_31, 2);
-x_243 = lean_ctor_get(x_31, 3);
-x_244 = lean_ctor_get(x_31, 4);
-x_245 = lean_ctor_get(x_31, 5);
-x_246 = lean_ctor_get(x_31, 6);
-x_247 = lean_ctor_get(x_31, 7);
-lean_inc(x_247);
-lean_inc(x_246);
-lean_inc(x_245);
-lean_inc(x_244);
-lean_inc(x_243);
-lean_inc(x_242);
-lean_inc(x_241);
-lean_inc(x_240);
-lean_dec(x_31);
-x_248 = 0;
-x_249 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_249, 0, x_240);
-lean_ctor_set(x_249, 1, x_241);
-lean_ctor_set(x_249, 2, x_242);
-lean_ctor_set(x_249, 3, x_243);
-lean_ctor_set(x_249, 4, x_244);
-lean_ctor_set(x_249, 5, x_245);
-lean_ctor_set(x_249, 6, x_246);
-lean_ctor_set(x_249, 7, x_247);
-lean_ctor_set_uint8(x_249, sizeof(void*)*8, x_248);
-lean_ctor_set(x_30, 0, x_249);
-x_250 = lean_st_ref_set(x_3, x_30, x_32);
-x_251 = lean_ctor_get(x_250, 1);
-lean_inc(x_251);
-lean_dec(x_250);
-lean_inc(x_5);
-lean_inc(x_3);
-x_252 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_251);
-if (lean_obj_tag(x_252) == 0)
-{
-lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; 
-x_253 = lean_ctor_get(x_252, 0);
-lean_inc(x_253);
-x_254 = lean_ctor_get(x_252, 1);
-lean_inc(x_254);
-lean_dec(x_252);
-x_255 = lean_st_ref_get(x_5, x_254);
-lean_dec(x_5);
-x_256 = lean_ctor_get(x_255, 1);
-lean_inc(x_256);
-lean_dec(x_255);
-x_257 = lean_st_ref_take(x_3, x_256);
-x_258 = lean_ctor_get(x_257, 0);
-lean_inc(x_258);
-x_259 = lean_ctor_get(x_258, 0);
-lean_inc(x_259);
-if (x_26 == 0)
-{
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; 
-x_260 = lean_ctor_get(x_257, 1);
-lean_inc(x_260);
-lean_dec(x_257);
-x_261 = lean_ctor_get(x_258, 1);
-lean_inc(x_261);
-x_262 = lean_ctor_get(x_258, 2);
-lean_inc(x_262);
-x_263 = lean_ctor_get(x_258, 3);
-lean_inc(x_263);
-if (lean_is_exclusive(x_258)) {
- lean_ctor_release(x_258, 0);
- lean_ctor_release(x_258, 1);
- lean_ctor_release(x_258, 2);
- lean_ctor_release(x_258, 3);
- x_264 = x_258;
-} else {
- lean_dec_ref(x_258);
- x_264 = lean_box(0);
-}
-x_265 = lean_ctor_get(x_259, 0);
-lean_inc(x_265);
-x_266 = lean_ctor_get(x_259, 1);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_259, 2);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_259, 3);
-lean_inc(x_268);
-x_269 = lean_ctor_get(x_259, 4);
-lean_inc(x_269);
-x_270 = lean_ctor_get(x_259, 5);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_259, 6);
-lean_inc(x_271);
-x_272 = lean_ctor_get(x_259, 7);
-lean_inc(x_272);
-x_273 = lean_ctor_get_uint8(x_259, sizeof(void*)*8);
-if (lean_is_exclusive(x_259)) {
- lean_ctor_release(x_259, 0);
- lean_ctor_release(x_259, 1);
- lean_ctor_release(x_259, 2);
- lean_ctor_release(x_259, 3);
- lean_ctor_release(x_259, 4);
- lean_ctor_release(x_259, 5);
- lean_ctor_release(x_259, 6);
- lean_ctor_release(x_259, 7);
- x_274 = x_259;
-} else {
- lean_dec_ref(x_259);
- x_274 = lean_box(0);
-}
-if (lean_is_scalar(x_274)) {
- x_275 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_275 = x_274;
-}
-lean_ctor_set(x_275, 0, x_265);
-lean_ctor_set(x_275, 1, x_266);
-lean_ctor_set(x_275, 2, x_267);
-lean_ctor_set(x_275, 3, x_268);
-lean_ctor_set(x_275, 4, x_269);
-lean_ctor_set(x_275, 5, x_270);
-lean_ctor_set(x_275, 6, x_271);
-lean_ctor_set(x_275, 7, x_272);
-lean_ctor_set_uint8(x_275, sizeof(void*)*8, x_273);
-if (lean_is_scalar(x_264)) {
- x_276 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_276 = x_264;
-}
-lean_ctor_set(x_276, 0, x_275);
-lean_ctor_set(x_276, 1, x_261);
-lean_ctor_set(x_276, 2, x_262);
-lean_ctor_set(x_276, 3, x_263);
-x_277 = lean_st_ref_set(x_3, x_276, x_260);
-lean_dec(x_3);
-x_278 = lean_ctor_get(x_277, 1);
-lean_inc(x_278);
-if (lean_is_exclusive(x_277)) {
- lean_ctor_release(x_277, 0);
- lean_ctor_release(x_277, 1);
- x_279 = x_277;
-} else {
- lean_dec_ref(x_277);
- x_279 = lean_box(0);
-}
-x_280 = lean_box(0);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_253);
-lean_ctor_set(x_281, 1, x_280);
-if (lean_is_scalar(x_279)) {
- x_282 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_282 = x_279;
-}
-lean_ctor_set(x_282, 0, x_281);
-lean_ctor_set(x_282, 1, x_278);
-x_7 = x_282;
-goto block_19;
-}
-else
-{
-lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; uint8_t x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; 
-x_283 = lean_ctor_get(x_257, 1);
-lean_inc(x_283);
-lean_dec(x_257);
-x_284 = lean_ctor_get(x_258, 1);
-lean_inc(x_284);
-x_285 = lean_ctor_get(x_258, 2);
-lean_inc(x_285);
-x_286 = lean_ctor_get(x_258, 3);
-lean_inc(x_286);
-if (lean_is_exclusive(x_258)) {
- lean_ctor_release(x_258, 0);
- lean_ctor_release(x_258, 1);
- lean_ctor_release(x_258, 2);
- lean_ctor_release(x_258, 3);
- x_287 = x_258;
-} else {
- lean_dec_ref(x_258);
- x_287 = lean_box(0);
-}
-x_288 = lean_ctor_get(x_259, 0);
-lean_inc(x_288);
-x_289 = lean_ctor_get(x_259, 1);
-lean_inc(x_289);
-x_290 = lean_ctor_get(x_259, 2);
-lean_inc(x_290);
-x_291 = lean_ctor_get(x_259, 3);
-lean_inc(x_291);
-x_292 = lean_ctor_get(x_259, 4);
-lean_inc(x_292);
-x_293 = lean_ctor_get(x_259, 5);
-lean_inc(x_293);
-x_294 = lean_ctor_get(x_259, 6);
-lean_inc(x_294);
-x_295 = lean_ctor_get(x_259, 7);
-lean_inc(x_295);
-if (lean_is_exclusive(x_259)) {
- lean_ctor_release(x_259, 0);
- lean_ctor_release(x_259, 1);
- lean_ctor_release(x_259, 2);
- lean_ctor_release(x_259, 3);
- lean_ctor_release(x_259, 4);
- lean_ctor_release(x_259, 5);
- lean_ctor_release(x_259, 6);
- lean_ctor_release(x_259, 7);
- x_296 = x_259;
-} else {
- lean_dec_ref(x_259);
- x_296 = lean_box(0);
-}
-x_297 = 1;
-if (lean_is_scalar(x_296)) {
- x_298 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_298 = x_296;
-}
-lean_ctor_set(x_298, 0, x_288);
-lean_ctor_set(x_298, 1, x_289);
-lean_ctor_set(x_298, 2, x_290);
-lean_ctor_set(x_298, 3, x_291);
-lean_ctor_set(x_298, 4, x_292);
-lean_ctor_set(x_298, 5, x_293);
-lean_ctor_set(x_298, 6, x_294);
-lean_ctor_set(x_298, 7, x_295);
-lean_ctor_set_uint8(x_298, sizeof(void*)*8, x_297);
-if (lean_is_scalar(x_287)) {
- x_299 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_299 = x_287;
-}
-lean_ctor_set(x_299, 0, x_298);
-lean_ctor_set(x_299, 1, x_284);
-lean_ctor_set(x_299, 2, x_285);
-lean_ctor_set(x_299, 3, x_286);
-x_300 = lean_st_ref_set(x_3, x_299, x_283);
-lean_dec(x_3);
-x_301 = lean_ctor_get(x_300, 1);
-lean_inc(x_301);
-if (lean_is_exclusive(x_300)) {
- lean_ctor_release(x_300, 0);
- lean_ctor_release(x_300, 1);
- x_302 = x_300;
-} else {
- lean_dec_ref(x_300);
- x_302 = lean_box(0);
-}
-x_303 = lean_box(0);
-x_304 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_304, 0, x_253);
-lean_ctor_set(x_304, 1, x_303);
-if (lean_is_scalar(x_302)) {
- x_305 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_305 = x_302;
-}
-lean_ctor_set(x_305, 0, x_304);
-lean_ctor_set(x_305, 1, x_301);
-x_7 = x_305;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; 
-x_306 = lean_ctor_get(x_252, 0);
-lean_inc(x_306);
-x_307 = lean_ctor_get(x_252, 1);
-lean_inc(x_307);
-lean_dec(x_252);
-x_308 = lean_st_ref_get(x_5, x_307);
-lean_dec(x_5);
-x_309 = lean_ctor_get(x_308, 1);
-lean_inc(x_309);
-lean_dec(x_308);
-x_310 = lean_st_ref_take(x_3, x_309);
-x_311 = lean_ctor_get(x_310, 0);
-lean_inc(x_311);
-x_312 = lean_ctor_get(x_311, 0);
-lean_inc(x_312);
-if (x_26 == 0)
-{
-lean_object* x_313; lean_object* x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; uint8_t x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; 
-x_313 = lean_ctor_get(x_310, 1);
-lean_inc(x_313);
-lean_dec(x_310);
-x_314 = lean_ctor_get(x_311, 1);
-lean_inc(x_314);
-x_315 = lean_ctor_get(x_311, 2);
-lean_inc(x_315);
-x_316 = lean_ctor_get(x_311, 3);
-lean_inc(x_316);
-if (lean_is_exclusive(x_311)) {
- lean_ctor_release(x_311, 0);
- lean_ctor_release(x_311, 1);
- lean_ctor_release(x_311, 2);
- lean_ctor_release(x_311, 3);
- x_317 = x_311;
-} else {
- lean_dec_ref(x_311);
- x_317 = lean_box(0);
-}
-x_318 = lean_ctor_get(x_312, 0);
-lean_inc(x_318);
-x_319 = lean_ctor_get(x_312, 1);
-lean_inc(x_319);
-x_320 = lean_ctor_get(x_312, 2);
-lean_inc(x_320);
-x_321 = lean_ctor_get(x_312, 3);
-lean_inc(x_321);
-x_322 = lean_ctor_get(x_312, 4);
-lean_inc(x_322);
-x_323 = lean_ctor_get(x_312, 5);
-lean_inc(x_323);
-x_324 = lean_ctor_get(x_312, 6);
-lean_inc(x_324);
-x_325 = lean_ctor_get(x_312, 7);
-lean_inc(x_325);
-x_326 = lean_ctor_get_uint8(x_312, sizeof(void*)*8);
-if (lean_is_exclusive(x_312)) {
- lean_ctor_release(x_312, 0);
- lean_ctor_release(x_312, 1);
- lean_ctor_release(x_312, 2);
- lean_ctor_release(x_312, 3);
- lean_ctor_release(x_312, 4);
- lean_ctor_release(x_312, 5);
- lean_ctor_release(x_312, 6);
- lean_ctor_release(x_312, 7);
- x_327 = x_312;
-} else {
- lean_dec_ref(x_312);
- x_327 = lean_box(0);
-}
-if (lean_is_scalar(x_327)) {
- x_328 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_328 = x_327;
-}
-lean_ctor_set(x_328, 0, x_318);
-lean_ctor_set(x_328, 1, x_319);
-lean_ctor_set(x_328, 2, x_320);
-lean_ctor_set(x_328, 3, x_321);
-lean_ctor_set(x_328, 4, x_322);
-lean_ctor_set(x_328, 5, x_323);
-lean_ctor_set(x_328, 6, x_324);
-lean_ctor_set(x_328, 7, x_325);
-lean_ctor_set_uint8(x_328, sizeof(void*)*8, x_326);
-if (lean_is_scalar(x_317)) {
- x_329 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_329 = x_317;
-}
-lean_ctor_set(x_329, 0, x_328);
-lean_ctor_set(x_329, 1, x_314);
-lean_ctor_set(x_329, 2, x_315);
-lean_ctor_set(x_329, 3, x_316);
-x_330 = lean_st_ref_set(x_3, x_329, x_313);
-lean_dec(x_3);
-x_331 = lean_ctor_get(x_330, 1);
-lean_inc(x_331);
-if (lean_is_exclusive(x_330)) {
- lean_ctor_release(x_330, 0);
- lean_ctor_release(x_330, 1);
- x_332 = x_330;
-} else {
- lean_dec_ref(x_330);
- x_332 = lean_box(0);
-}
-if (lean_is_scalar(x_332)) {
- x_333 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_333 = x_332;
- lean_ctor_set_tag(x_333, 1);
-}
-lean_ctor_set(x_333, 0, x_306);
-lean_ctor_set(x_333, 1, x_331);
-x_7 = x_333;
-goto block_19;
-}
-else
-{
-lean_object* x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; uint8_t x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; 
-x_334 = lean_ctor_get(x_310, 1);
-lean_inc(x_334);
-lean_dec(x_310);
-x_335 = lean_ctor_get(x_311, 1);
-lean_inc(x_335);
-x_336 = lean_ctor_get(x_311, 2);
-lean_inc(x_336);
-x_337 = lean_ctor_get(x_311, 3);
-lean_inc(x_337);
-if (lean_is_exclusive(x_311)) {
- lean_ctor_release(x_311, 0);
- lean_ctor_release(x_311, 1);
- lean_ctor_release(x_311, 2);
- lean_ctor_release(x_311, 3);
- x_338 = x_311;
-} else {
- lean_dec_ref(x_311);
- x_338 = lean_box(0);
-}
-x_339 = lean_ctor_get(x_312, 0);
-lean_inc(x_339);
-x_340 = lean_ctor_get(x_312, 1);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_312, 2);
-lean_inc(x_341);
-x_342 = lean_ctor_get(x_312, 3);
-lean_inc(x_342);
-x_343 = lean_ctor_get(x_312, 4);
-lean_inc(x_343);
-x_344 = lean_ctor_get(x_312, 5);
-lean_inc(x_344);
-x_345 = lean_ctor_get(x_312, 6);
-lean_inc(x_345);
-x_346 = lean_ctor_get(x_312, 7);
-lean_inc(x_346);
-if (lean_is_exclusive(x_312)) {
- lean_ctor_release(x_312, 0);
- lean_ctor_release(x_312, 1);
- lean_ctor_release(x_312, 2);
- lean_ctor_release(x_312, 3);
- lean_ctor_release(x_312, 4);
- lean_ctor_release(x_312, 5);
- lean_ctor_release(x_312, 6);
- lean_ctor_release(x_312, 7);
- x_347 = x_312;
-} else {
- lean_dec_ref(x_312);
- x_347 = lean_box(0);
-}
-x_348 = 1;
-if (lean_is_scalar(x_347)) {
- x_349 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_349 = x_347;
-}
-lean_ctor_set(x_349, 0, x_339);
-lean_ctor_set(x_349, 1, x_340);
-lean_ctor_set(x_349, 2, x_341);
-lean_ctor_set(x_349, 3, x_342);
-lean_ctor_set(x_349, 4, x_343);
-lean_ctor_set(x_349, 5, x_344);
-lean_ctor_set(x_349, 6, x_345);
-lean_ctor_set(x_349, 7, x_346);
-lean_ctor_set_uint8(x_349, sizeof(void*)*8, x_348);
-if (lean_is_scalar(x_338)) {
- x_350 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_350 = x_338;
-}
-lean_ctor_set(x_350, 0, x_349);
-lean_ctor_set(x_350, 1, x_335);
-lean_ctor_set(x_350, 2, x_336);
-lean_ctor_set(x_350, 3, x_337);
-x_351 = lean_st_ref_set(x_3, x_350, x_334);
-lean_dec(x_3);
-x_352 = lean_ctor_get(x_351, 1);
-lean_inc(x_352);
-if (lean_is_exclusive(x_351)) {
- lean_ctor_release(x_351, 0);
- lean_ctor_release(x_351, 1);
- x_353 = x_351;
-} else {
- lean_dec_ref(x_351);
- x_353 = lean_box(0);
-}
-if (lean_is_scalar(x_353)) {
- x_354 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_354 = x_353;
- lean_ctor_set_tag(x_354, 1);
-}
-lean_ctor_set(x_354, 0, x_306);
-lean_ctor_set(x_354, 1, x_352);
-x_7 = x_354;
-goto block_19;
-}
-}
-}
-}
-else
-{
-lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; uint8_t x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; 
-x_355 = lean_ctor_get(x_30, 1);
-x_356 = lean_ctor_get(x_30, 2);
-x_357 = lean_ctor_get(x_30, 3);
-lean_inc(x_357);
-lean_inc(x_356);
-lean_inc(x_355);
-lean_dec(x_30);
-x_358 = lean_ctor_get(x_31, 0);
-lean_inc(x_358);
-x_359 = lean_ctor_get(x_31, 1);
-lean_inc(x_359);
-x_360 = lean_ctor_get(x_31, 2);
-lean_inc(x_360);
-x_361 = lean_ctor_get(x_31, 3);
-lean_inc(x_361);
-x_362 = lean_ctor_get(x_31, 4);
-lean_inc(x_362);
-x_363 = lean_ctor_get(x_31, 5);
-lean_inc(x_363);
-x_364 = lean_ctor_get(x_31, 6);
-lean_inc(x_364);
-x_365 = lean_ctor_get(x_31, 7);
-lean_inc(x_365);
-if (lean_is_exclusive(x_31)) {
- lean_ctor_release(x_31, 0);
- lean_ctor_release(x_31, 1);
- lean_ctor_release(x_31, 2);
- lean_ctor_release(x_31, 3);
- lean_ctor_release(x_31, 4);
- lean_ctor_release(x_31, 5);
- lean_ctor_release(x_31, 6);
- lean_ctor_release(x_31, 7);
- x_366 = x_31;
-} else {
- lean_dec_ref(x_31);
- x_366 = lean_box(0);
-}
-x_367 = 0;
-if (lean_is_scalar(x_366)) {
- x_368 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_368 = x_366;
-}
-lean_ctor_set(x_368, 0, x_358);
-lean_ctor_set(x_368, 1, x_359);
-lean_ctor_set(x_368, 2, x_360);
-lean_ctor_set(x_368, 3, x_361);
-lean_ctor_set(x_368, 4, x_362);
-lean_ctor_set(x_368, 5, x_363);
-lean_ctor_set(x_368, 6, x_364);
-lean_ctor_set(x_368, 7, x_365);
-lean_ctor_set_uint8(x_368, sizeof(void*)*8, x_367);
-x_369 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_369, 0, x_368);
-lean_ctor_set(x_369, 1, x_355);
-lean_ctor_set(x_369, 2, x_356);
-lean_ctor_set(x_369, 3, x_357);
-x_370 = lean_st_ref_set(x_3, x_369, x_32);
-x_371 = lean_ctor_get(x_370, 1);
-lean_inc(x_371);
-lean_dec(x_370);
-lean_inc(x_5);
-lean_inc(x_3);
-x_372 = lean_apply_5(x_1, x_2, x_3, x_4, x_5, x_371);
-if (lean_obj_tag(x_372) == 0)
-{
-lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; 
-x_373 = lean_ctor_get(x_372, 0);
-lean_inc(x_373);
-x_374 = lean_ctor_get(x_372, 1);
-lean_inc(x_374);
-lean_dec(x_372);
-x_375 = lean_st_ref_get(x_5, x_374);
-lean_dec(x_5);
-x_376 = lean_ctor_get(x_375, 1);
-lean_inc(x_376);
-lean_dec(x_375);
-x_377 = lean_st_ref_take(x_3, x_376);
-x_378 = lean_ctor_get(x_377, 0);
-lean_inc(x_378);
-x_379 = lean_ctor_get(x_378, 0);
-lean_inc(x_379);
-if (x_26 == 0)
-{
-lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; uint8_t x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; lean_object* x_402; 
-x_380 = lean_ctor_get(x_377, 1);
-lean_inc(x_380);
-lean_dec(x_377);
-x_381 = lean_ctor_get(x_378, 1);
-lean_inc(x_381);
-x_382 = lean_ctor_get(x_378, 2);
-lean_inc(x_382);
-x_383 = lean_ctor_get(x_378, 3);
-lean_inc(x_383);
-if (lean_is_exclusive(x_378)) {
- lean_ctor_release(x_378, 0);
- lean_ctor_release(x_378, 1);
- lean_ctor_release(x_378, 2);
- lean_ctor_release(x_378, 3);
- x_384 = x_378;
-} else {
- lean_dec_ref(x_378);
- x_384 = lean_box(0);
-}
-x_385 = lean_ctor_get(x_379, 0);
-lean_inc(x_385);
-x_386 = lean_ctor_get(x_379, 1);
-lean_inc(x_386);
-x_387 = lean_ctor_get(x_379, 2);
-lean_inc(x_387);
-x_388 = lean_ctor_get(x_379, 3);
-lean_inc(x_388);
-x_389 = lean_ctor_get(x_379, 4);
-lean_inc(x_389);
-x_390 = lean_ctor_get(x_379, 5);
-lean_inc(x_390);
-x_391 = lean_ctor_get(x_379, 6);
-lean_inc(x_391);
-x_392 = lean_ctor_get(x_379, 7);
-lean_inc(x_392);
-x_393 = lean_ctor_get_uint8(x_379, sizeof(void*)*8);
-if (lean_is_exclusive(x_379)) {
- lean_ctor_release(x_379, 0);
- lean_ctor_release(x_379, 1);
- lean_ctor_release(x_379, 2);
- lean_ctor_release(x_379, 3);
- lean_ctor_release(x_379, 4);
- lean_ctor_release(x_379, 5);
- lean_ctor_release(x_379, 6);
- lean_ctor_release(x_379, 7);
- x_394 = x_379;
-} else {
- lean_dec_ref(x_379);
- x_394 = lean_box(0);
-}
-if (lean_is_scalar(x_394)) {
- x_395 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_395 = x_394;
-}
-lean_ctor_set(x_395, 0, x_385);
-lean_ctor_set(x_395, 1, x_386);
-lean_ctor_set(x_395, 2, x_387);
-lean_ctor_set(x_395, 3, x_388);
-lean_ctor_set(x_395, 4, x_389);
-lean_ctor_set(x_395, 5, x_390);
-lean_ctor_set(x_395, 6, x_391);
-lean_ctor_set(x_395, 7, x_392);
-lean_ctor_set_uint8(x_395, sizeof(void*)*8, x_393);
-if (lean_is_scalar(x_384)) {
- x_396 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_396 = x_384;
-}
-lean_ctor_set(x_396, 0, x_395);
-lean_ctor_set(x_396, 1, x_381);
-lean_ctor_set(x_396, 2, x_382);
-lean_ctor_set(x_396, 3, x_383);
-x_397 = lean_st_ref_set(x_3, x_396, x_380);
-lean_dec(x_3);
-x_398 = lean_ctor_get(x_397, 1);
-lean_inc(x_398);
-if (lean_is_exclusive(x_397)) {
- lean_ctor_release(x_397, 0);
- lean_ctor_release(x_397, 1);
- x_399 = x_397;
-} else {
- lean_dec_ref(x_397);
- x_399 = lean_box(0);
-}
-x_400 = lean_box(0);
-x_401 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_401, 0, x_373);
-lean_ctor_set(x_401, 1, x_400);
-if (lean_is_scalar(x_399)) {
- x_402 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_402 = x_399;
-}
-lean_ctor_set(x_402, 0, x_401);
-lean_ctor_set(x_402, 1, x_398);
-x_7 = x_402;
-goto block_19;
-}
-else
-{
-lean_object* x_403; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; uint8_t x_417; lean_object* x_418; lean_object* x_419; lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; 
-x_403 = lean_ctor_get(x_377, 1);
-lean_inc(x_403);
-lean_dec(x_377);
-x_404 = lean_ctor_get(x_378, 1);
-lean_inc(x_404);
-x_405 = lean_ctor_get(x_378, 2);
-lean_inc(x_405);
-x_406 = lean_ctor_get(x_378, 3);
-lean_inc(x_406);
-if (lean_is_exclusive(x_378)) {
- lean_ctor_release(x_378, 0);
- lean_ctor_release(x_378, 1);
- lean_ctor_release(x_378, 2);
- lean_ctor_release(x_378, 3);
- x_407 = x_378;
-} else {
- lean_dec_ref(x_378);
- x_407 = lean_box(0);
-}
-x_408 = lean_ctor_get(x_379, 0);
-lean_inc(x_408);
-x_409 = lean_ctor_get(x_379, 1);
-lean_inc(x_409);
-x_410 = lean_ctor_get(x_379, 2);
-lean_inc(x_410);
-x_411 = lean_ctor_get(x_379, 3);
-lean_inc(x_411);
-x_412 = lean_ctor_get(x_379, 4);
-lean_inc(x_412);
-x_413 = lean_ctor_get(x_379, 5);
-lean_inc(x_413);
-x_414 = lean_ctor_get(x_379, 6);
-lean_inc(x_414);
-x_415 = lean_ctor_get(x_379, 7);
-lean_inc(x_415);
-if (lean_is_exclusive(x_379)) {
- lean_ctor_release(x_379, 0);
- lean_ctor_release(x_379, 1);
- lean_ctor_release(x_379, 2);
- lean_ctor_release(x_379, 3);
- lean_ctor_release(x_379, 4);
- lean_ctor_release(x_379, 5);
- lean_ctor_release(x_379, 6);
- lean_ctor_release(x_379, 7);
- x_416 = x_379;
-} else {
- lean_dec_ref(x_379);
- x_416 = lean_box(0);
-}
-x_417 = 1;
-if (lean_is_scalar(x_416)) {
- x_418 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_418 = x_416;
-}
-lean_ctor_set(x_418, 0, x_408);
-lean_ctor_set(x_418, 1, x_409);
-lean_ctor_set(x_418, 2, x_410);
-lean_ctor_set(x_418, 3, x_411);
-lean_ctor_set(x_418, 4, x_412);
-lean_ctor_set(x_418, 5, x_413);
-lean_ctor_set(x_418, 6, x_414);
-lean_ctor_set(x_418, 7, x_415);
-lean_ctor_set_uint8(x_418, sizeof(void*)*8, x_417);
-if (lean_is_scalar(x_407)) {
- x_419 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_419 = x_407;
-}
-lean_ctor_set(x_419, 0, x_418);
-lean_ctor_set(x_419, 1, x_404);
-lean_ctor_set(x_419, 2, x_405);
-lean_ctor_set(x_419, 3, x_406);
-x_420 = lean_st_ref_set(x_3, x_419, x_403);
-lean_dec(x_3);
-x_421 = lean_ctor_get(x_420, 1);
-lean_inc(x_421);
-if (lean_is_exclusive(x_420)) {
- lean_ctor_release(x_420, 0);
- lean_ctor_release(x_420, 1);
- x_422 = x_420;
-} else {
- lean_dec_ref(x_420);
- x_422 = lean_box(0);
-}
-x_423 = lean_box(0);
-x_424 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_424, 0, x_373);
-lean_ctor_set(x_424, 1, x_423);
-if (lean_is_scalar(x_422)) {
- x_425 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_425 = x_422;
-}
-lean_ctor_set(x_425, 0, x_424);
-lean_ctor_set(x_425, 1, x_421);
-x_7 = x_425;
-goto block_19;
-}
-}
-else
-{
-lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; lean_object* x_430; lean_object* x_431; lean_object* x_432; 
-x_426 = lean_ctor_get(x_372, 0);
-lean_inc(x_426);
-x_427 = lean_ctor_get(x_372, 1);
-lean_inc(x_427);
-lean_dec(x_372);
-x_428 = lean_st_ref_get(x_5, x_427);
-lean_dec(x_5);
-x_429 = lean_ctor_get(x_428, 1);
-lean_inc(x_429);
-lean_dec(x_428);
-x_430 = lean_st_ref_take(x_3, x_429);
-x_431 = lean_ctor_get(x_430, 0);
-lean_inc(x_431);
-x_432 = lean_ctor_get(x_431, 0);
-lean_inc(x_432);
-if (x_26 == 0)
-{
-lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; lean_object* x_445; uint8_t x_446; lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; 
-x_433 = lean_ctor_get(x_430, 1);
-lean_inc(x_433);
-lean_dec(x_430);
-x_434 = lean_ctor_get(x_431, 1);
-lean_inc(x_434);
-x_435 = lean_ctor_get(x_431, 2);
-lean_inc(x_435);
-x_436 = lean_ctor_get(x_431, 3);
-lean_inc(x_436);
-if (lean_is_exclusive(x_431)) {
- lean_ctor_release(x_431, 0);
- lean_ctor_release(x_431, 1);
- lean_ctor_release(x_431, 2);
- lean_ctor_release(x_431, 3);
- x_437 = x_431;
-} else {
- lean_dec_ref(x_431);
- x_437 = lean_box(0);
-}
-x_438 = lean_ctor_get(x_432, 0);
-lean_inc(x_438);
-x_439 = lean_ctor_get(x_432, 1);
-lean_inc(x_439);
-x_440 = lean_ctor_get(x_432, 2);
-lean_inc(x_440);
-x_441 = lean_ctor_get(x_432, 3);
-lean_inc(x_441);
-x_442 = lean_ctor_get(x_432, 4);
-lean_inc(x_442);
-x_443 = lean_ctor_get(x_432, 5);
-lean_inc(x_443);
-x_444 = lean_ctor_get(x_432, 6);
-lean_inc(x_444);
-x_445 = lean_ctor_get(x_432, 7);
-lean_inc(x_445);
-x_446 = lean_ctor_get_uint8(x_432, sizeof(void*)*8);
-if (lean_is_exclusive(x_432)) {
- lean_ctor_release(x_432, 0);
- lean_ctor_release(x_432, 1);
- lean_ctor_release(x_432, 2);
- lean_ctor_release(x_432, 3);
- lean_ctor_release(x_432, 4);
- lean_ctor_release(x_432, 5);
- lean_ctor_release(x_432, 6);
- lean_ctor_release(x_432, 7);
- x_447 = x_432;
-} else {
- lean_dec_ref(x_432);
- x_447 = lean_box(0);
-}
-if (lean_is_scalar(x_447)) {
- x_448 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_448 = x_447;
-}
-lean_ctor_set(x_448, 0, x_438);
-lean_ctor_set(x_448, 1, x_439);
-lean_ctor_set(x_448, 2, x_440);
-lean_ctor_set(x_448, 3, x_441);
-lean_ctor_set(x_448, 4, x_442);
-lean_ctor_set(x_448, 5, x_443);
-lean_ctor_set(x_448, 6, x_444);
-lean_ctor_set(x_448, 7, x_445);
-lean_ctor_set_uint8(x_448, sizeof(void*)*8, x_446);
-if (lean_is_scalar(x_437)) {
- x_449 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_449 = x_437;
-}
-lean_ctor_set(x_449, 0, x_448);
-lean_ctor_set(x_449, 1, x_434);
-lean_ctor_set(x_449, 2, x_435);
-lean_ctor_set(x_449, 3, x_436);
-x_450 = lean_st_ref_set(x_3, x_449, x_433);
-lean_dec(x_3);
-x_451 = lean_ctor_get(x_450, 1);
-lean_inc(x_451);
-if (lean_is_exclusive(x_450)) {
- lean_ctor_release(x_450, 0);
- lean_ctor_release(x_450, 1);
- x_452 = x_450;
-} else {
- lean_dec_ref(x_450);
- x_452 = lean_box(0);
-}
-if (lean_is_scalar(x_452)) {
- x_453 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_453 = x_452;
- lean_ctor_set_tag(x_453, 1);
-}
-lean_ctor_set(x_453, 0, x_426);
-lean_ctor_set(x_453, 1, x_451);
-x_7 = x_453;
-goto block_19;
-}
-else
-{
-lean_object* x_454; lean_object* x_455; lean_object* x_456; lean_object* x_457; lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; lean_object* x_463; lean_object* x_464; lean_object* x_465; lean_object* x_466; lean_object* x_467; uint8_t x_468; lean_object* x_469; lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; lean_object* x_474; 
-x_454 = lean_ctor_get(x_430, 1);
-lean_inc(x_454);
-lean_dec(x_430);
-x_455 = lean_ctor_get(x_431, 1);
-lean_inc(x_455);
-x_456 = lean_ctor_get(x_431, 2);
-lean_inc(x_456);
-x_457 = lean_ctor_get(x_431, 3);
-lean_inc(x_457);
-if (lean_is_exclusive(x_431)) {
- lean_ctor_release(x_431, 0);
- lean_ctor_release(x_431, 1);
- lean_ctor_release(x_431, 2);
- lean_ctor_release(x_431, 3);
- x_458 = x_431;
-} else {
- lean_dec_ref(x_431);
- x_458 = lean_box(0);
-}
-x_459 = lean_ctor_get(x_432, 0);
-lean_inc(x_459);
-x_460 = lean_ctor_get(x_432, 1);
-lean_inc(x_460);
-x_461 = lean_ctor_get(x_432, 2);
-lean_inc(x_461);
-x_462 = lean_ctor_get(x_432, 3);
-lean_inc(x_462);
-x_463 = lean_ctor_get(x_432, 4);
-lean_inc(x_463);
-x_464 = lean_ctor_get(x_432, 5);
-lean_inc(x_464);
-x_465 = lean_ctor_get(x_432, 6);
-lean_inc(x_465);
-x_466 = lean_ctor_get(x_432, 7);
-lean_inc(x_466);
-if (lean_is_exclusive(x_432)) {
- lean_ctor_release(x_432, 0);
- lean_ctor_release(x_432, 1);
- lean_ctor_release(x_432, 2);
- lean_ctor_release(x_432, 3);
- lean_ctor_release(x_432, 4);
- lean_ctor_release(x_432, 5);
- lean_ctor_release(x_432, 6);
- lean_ctor_release(x_432, 7);
- x_467 = x_432;
-} else {
- lean_dec_ref(x_432);
- x_467 = lean_box(0);
-}
-x_468 = 1;
-if (lean_is_scalar(x_467)) {
- x_469 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_469 = x_467;
-}
-lean_ctor_set(x_469, 0, x_459);
-lean_ctor_set(x_469, 1, x_460);
-lean_ctor_set(x_469, 2, x_461);
-lean_ctor_set(x_469, 3, x_462);
-lean_ctor_set(x_469, 4, x_463);
-lean_ctor_set(x_469, 5, x_464);
-lean_ctor_set(x_469, 6, x_465);
-lean_ctor_set(x_469, 7, x_466);
-lean_ctor_set_uint8(x_469, sizeof(void*)*8, x_468);
-if (lean_is_scalar(x_458)) {
- x_470 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_470 = x_458;
-}
-lean_ctor_set(x_470, 0, x_469);
-lean_ctor_set(x_470, 1, x_455);
-lean_ctor_set(x_470, 2, x_456);
-lean_ctor_set(x_470, 3, x_457);
-x_471 = lean_st_ref_set(x_3, x_470, x_454);
-lean_dec(x_3);
-x_472 = lean_ctor_get(x_471, 1);
-lean_inc(x_472);
-if (lean_is_exclusive(x_471)) {
- lean_ctor_release(x_471, 0);
- lean_ctor_release(x_471, 1);
- x_473 = x_471;
-} else {
- lean_dec_ref(x_471);
- x_473 = lean_box(0);
-}
-if (lean_is_scalar(x_473)) {
- x_474 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_474 = x_473;
- lean_ctor_set_tag(x_474, 1);
-}
-lean_ctor_set(x_474, 0, x_426);
-lean_ctor_set(x_474, 1, x_472);
-x_7 = x_474;
-goto block_19;
-}
-}
-}
-block_19:
-{
-if (lean_obj_tag(x_7) == 0)
-{
-uint8_t x_8; 
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_ctor_get(x_7, 0);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-lean_dec(x_9);
-lean_ctor_set(x_7, 0, x_10);
-return x_7;
-}
-else
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_11 = lean_ctor_get(x_7, 0);
-x_12 = lean_ctor_get(x_7, 1);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_dec(x_7);
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_7);
-if (x_15 == 0)
-{
-return x_7;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_7, 0);
-x_17 = lean_ctor_get(x_7, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_7);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_withResetUsedAssignment(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_withResetUsedAssignment___rarg), 6, 0);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -79055,7 +77778,7 @@ lean_dec(x_36);
 x_37 = !lean_is_exclusive(x_33);
 if (x_37 == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_53; lean_object* x_54; lean_object* x_61; lean_object* x_80; lean_object* x_93; 
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_53; lean_object* x_72; lean_object* x_73; lean_object* x_80; 
 x_38 = lean_ctor_get(x_33, 0);
 lean_dec(x_38);
 x_39 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__3;
@@ -79072,2469 +77795,906 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_93 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_41);
-if (lean_obj_tag(x_93) == 0)
+x_80 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_41);
+if (lean_obj_tag(x_80) == 0)
 {
-lean_object* x_94; uint8_t x_95; 
-x_94 = lean_ctor_get(x_93, 0);
-lean_inc(x_94);
-x_95 = lean_unbox(x_94);
-lean_dec(x_94);
-switch (x_95) {
+lean_object* x_81; uint8_t x_82; 
+x_81 = lean_ctor_get(x_80, 0);
+lean_inc(x_81);
+x_82 = lean_unbox(x_81);
+lean_dec(x_81);
+switch (x_82) {
 case 0:
 {
-lean_object* x_96; uint8_t x_97; 
+lean_object* x_83; uint8_t x_84; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_96 = lean_ctor_get(x_93, 1);
-lean_inc(x_96);
-lean_dec(x_93);
-x_97 = 0;
-x_43 = x_97;
-x_44 = x_96;
+x_83 = lean_ctor_get(x_80, 1);
+lean_inc(x_83);
+lean_dec(x_80);
+x_84 = 0;
+x_43 = x_84;
+x_44 = x_83;
 goto block_52;
 }
 case 1:
 {
-lean_object* x_98; uint8_t x_99; 
+lean_object* x_85; uint8_t x_86; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_98 = lean_ctor_get(x_93, 1);
-lean_inc(x_98);
-lean_dec(x_93);
-x_99 = 1;
-x_43 = x_99;
-x_44 = x_98;
+x_85 = lean_ctor_get(x_80, 1);
+lean_inc(x_85);
+lean_dec(x_80);
+x_86 = 1;
+x_43 = x_86;
+x_44 = x_85;
 goto block_52;
 }
 default: 
 {
-lean_object* x_100; lean_object* x_101; 
-x_100 = lean_ctor_get(x_93, 1);
-lean_inc(x_100);
-lean_dec(x_93);
+lean_object* x_87; lean_object* x_88; 
+x_87 = lean_ctor_get(x_80, 1);
+lean_inc(x_87);
+lean_dec(x_80);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_101 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_100);
-if (lean_obj_tag(x_101) == 0)
+x_88 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_87);
+if (lean_obj_tag(x_88) == 0)
 {
-lean_object* x_102; uint8_t x_103; 
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_unbox(x_102);
-lean_dec(x_102);
-switch (x_103) {
+lean_object* x_89; uint8_t x_90; 
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_unbox(x_89);
+lean_dec(x_89);
+switch (x_90) {
 case 0:
 {
-lean_object* x_104; uint8_t x_105; 
+lean_object* x_91; uint8_t x_92; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_104 = lean_ctor_get(x_101, 1);
-lean_inc(x_104);
-lean_dec(x_101);
-x_105 = 0;
-x_43 = x_105;
-x_44 = x_104;
+x_91 = lean_ctor_get(x_88, 1);
+lean_inc(x_91);
+lean_dec(x_88);
+x_92 = 0;
+x_43 = x_92;
+x_44 = x_91;
 goto block_52;
 }
 case 1:
 {
-lean_object* x_106; uint8_t x_107; 
+lean_object* x_93; uint8_t x_94; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_106 = lean_ctor_get(x_101, 1);
-lean_inc(x_106);
-lean_dec(x_101);
-x_107 = 1;
-x_43 = x_107;
-x_44 = x_106;
+x_93 = lean_ctor_get(x_88, 1);
+lean_inc(x_93);
+lean_dec(x_88);
+x_94 = 1;
+x_43 = x_94;
+x_44 = x_93;
 goto block_52;
 }
 default: 
 {
-lean_object* x_108; uint8_t x_109; lean_object* x_110; 
-x_108 = lean_ctor_get(x_101, 1);
-lean_inc(x_108);
-lean_dec(x_101);
-x_109 = 0;
+lean_object* x_95; uint8_t x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_88, 1);
+lean_inc(x_95);
+lean_dec(x_88);
+x_96 = 0;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_1);
-x_110 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_109, x_1, x_5, x_6, x_7, x_8, x_108);
-if (lean_obj_tag(x_110) == 0)
+x_97 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_96, x_1, x_5, x_6, x_7, x_8, x_95);
+if (lean_obj_tag(x_97) == 0)
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_2);
+x_100 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_96, x_2, x_5, x_6, x_7, x_8, x_99);
+if (lean_obj_tag(x_100) == 0)
+{
+lean_object* x_101; lean_object* x_102; uint8_t x_103; 
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+lean_dec(x_100);
+x_103 = lean_expr_eqv(x_1, x_98);
+if (x_103 == 0)
+{
+lean_object* x_104; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_104 = lean_is_expr_def_eq(x_98, x_101, x_5, x_6, x_7, x_8, x_102);
+x_53 = x_104;
+goto block_71;
+}
+else
+{
+uint8_t x_105; 
+x_105 = lean_expr_eqv(x_2, x_101);
+if (x_105 == 0)
+{
+lean_object* x_106; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_106 = lean_is_expr_def_eq(x_98, x_101, x_5, x_6, x_7, x_8, x_102);
+x_53 = x_106;
+goto block_71;
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; uint8_t x_119; 
+lean_dec(x_101);
+lean_dec(x_98);
+x_107 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_102);
+x_108 = lean_ctor_get(x_107, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_107, 1);
+lean_inc(x_109);
+lean_dec(x_107);
+x_110 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_109);
 x_111 = lean_ctor_get(x_110, 0);
 lean_inc(x_111);
 x_112 = lean_ctor_get(x_110, 1);
 lean_inc(x_112);
 lean_dec(x_110);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_2);
-x_113 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_109, x_2, x_5, x_6, x_7, x_8, x_112);
-if (lean_obj_tag(x_113) == 0)
-{
-lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+x_113 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_112);
 x_114 = lean_ctor_get(x_113, 0);
 lean_inc(x_114);
 x_115 = lean_ctor_get(x_113, 1);
 lean_inc(x_115);
 lean_dec(x_113);
-x_116 = lean_expr_eqv(x_1, x_111);
-if (x_116 == 0)
-{
-lean_object* x_117; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_117 = lean_is_expr_def_eq(x_111, x_114, x_5, x_6, x_7, x_8, x_115);
-if (lean_obj_tag(x_117) == 0)
-{
-lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+lean_inc(x_111);
+lean_inc(x_108);
+x_116 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_108, x_111);
+lean_inc(x_116);
+x_117 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_116, x_5, x_6, x_7, x_8, x_115);
 x_118 = lean_ctor_get(x_117, 0);
 lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
+x_119 = lean_unbox(x_118);
 lean_dec(x_118);
-x_43 = x_120;
-x_44 = x_119;
-goto block_52;
-}
-else
-{
-lean_object* x_121; lean_object* x_122; 
-x_121 = lean_ctor_get(x_117, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_117, 1);
-lean_inc(x_122);
-lean_dec(x_117);
-x_53 = x_121;
-x_54 = x_122;
-goto block_60;
-}
-}
-else
-{
-uint8_t x_123; 
-x_123 = lean_expr_eqv(x_2, x_114);
-if (x_123 == 0)
-{
-lean_object* x_124; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_124 = lean_is_expr_def_eq(x_111, x_114, x_5, x_6, x_7, x_8, x_115);
-if (lean_obj_tag(x_124) == 0)
-{
-lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_125 = lean_ctor_get(x_124, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_124, 1);
-lean_inc(x_126);
-lean_dec(x_124);
-x_127 = lean_unbox(x_125);
-lean_dec(x_125);
-x_43 = x_127;
-x_44 = x_126;
-goto block_52;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; 
-x_128 = lean_ctor_get(x_124, 0);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_124, 1);
-lean_inc(x_129);
-lean_dec(x_124);
-x_53 = x_128;
-x_54 = x_129;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_130; 
-lean_dec(x_114);
-lean_dec(x_111);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_130 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache(x_5, x_6, x_7, x_8, x_115);
-if (lean_obj_tag(x_130) == 0)
-{
-lean_object* x_131; uint8_t x_132; 
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_unbox(x_131);
-lean_dec(x_131);
-if (x_132 == 0)
-{
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; uint8_t x_146; 
-x_133 = lean_ctor_get(x_130, 1);
-lean_inc(x_133);
-lean_dec(x_130);
-x_134 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_133);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_136);
-x_138 = lean_ctor_get(x_137, 0);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_137, 1);
-lean_inc(x_139);
-lean_dec(x_137);
-x_140 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_139);
-x_141 = lean_ctor_get(x_140, 0);
-lean_inc(x_141);
-x_142 = lean_ctor_get(x_140, 1);
-lean_inc(x_142);
-lean_dec(x_140);
-lean_inc(x_138);
-lean_inc(x_135);
-x_143 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_135, x_138);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_143);
-x_144 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_143, x_5, x_6, x_7, x_8, x_142);
-x_145 = lean_ctor_get(x_144, 0);
-lean_inc(x_145);
-x_146 = lean_unbox(x_145);
-lean_dec(x_145);
-switch (x_146) {
+switch (x_119) {
 case 0:
 {
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; lean_object* x_152; lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; 
-lean_dec(x_143);
-lean_dec(x_141);
-x_147 = lean_ctor_get(x_144, 1);
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_145; lean_object* x_146; lean_object* x_147; uint8_t x_148; 
+lean_dec(x_116);
+lean_dec(x_114);
+x_120 = lean_ctor_get(x_117, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_121 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_121 = lean_box(0);
+}
+x_122 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_123 = l_Lean_Name_str___override(x_3, x_122);
+x_145 = lean_st_ref_get(x_8, x_120);
+x_146 = lean_ctor_get(x_145, 0);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_146, 3);
 lean_inc(x_147);
-if (lean_is_exclusive(x_144)) {
- lean_ctor_release(x_144, 0);
- lean_ctor_release(x_144, 1);
- x_148 = x_144;
-} else {
- lean_dec_ref(x_144);
- x_148 = lean_box(0);
-}
-x_149 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_150 = l_Lean_Name_str___override(x_3, x_149);
-x_172 = lean_st_ref_get(x_8, x_147);
-x_173 = lean_ctor_get(x_172, 0);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_173, 3);
-lean_inc(x_174);
-lean_dec(x_173);
-x_175 = lean_ctor_get_uint8(x_174, sizeof(void*)*1);
-lean_dec(x_174);
-if (x_175 == 0)
+lean_dec(x_146);
+x_148 = lean_ctor_get_uint8(x_147, sizeof(void*)*1);
+lean_dec(x_147);
+if (x_148 == 0)
 {
-lean_object* x_176; 
-x_176 = lean_ctor_get(x_172, 1);
-lean_inc(x_176);
-lean_dec(x_172);
-x_151 = x_109;
-x_152 = x_176;
-goto block_171;
+lean_object* x_149; 
+x_149 = lean_ctor_get(x_145, 1);
+lean_inc(x_149);
+lean_dec(x_145);
+x_124 = x_96;
+x_125 = x_149;
+goto block_144;
 }
 else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; 
-x_177 = lean_ctor_get(x_172, 1);
-lean_inc(x_177);
-lean_dec(x_172);
+lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_150 = lean_ctor_get(x_145, 1);
 lean_inc(x_150);
-x_178 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_150, x_5, x_6, x_7, x_8, x_177);
-x_179 = lean_ctor_get(x_178, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_178, 1);
-lean_inc(x_180);
-lean_dec(x_178);
-x_181 = lean_unbox(x_179);
-lean_dec(x_179);
-x_151 = x_181;
-x_152 = x_180;
-goto block_171;
+lean_dec(x_145);
+lean_inc(x_123);
+x_151 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_123, x_5, x_6, x_7, x_8, x_150);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = lean_unbox(x_152);
+lean_dec(x_152);
+x_124 = x_154;
+x_125 = x_153;
+goto block_144;
 }
-block_171:
+block_144:
 {
-if (x_151 == 0)
+if (x_124 == 0)
 {
-lean_object* x_153; lean_object* x_154; 
-lean_dec(x_150);
-lean_dec(x_138);
-lean_dec(x_135);
-x_153 = lean_box(x_109);
-if (lean_is_scalar(x_148)) {
- x_154 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_126; lean_object* x_127; 
+lean_dec(x_123);
+lean_dec(x_111);
+lean_dec(x_108);
+x_126 = lean_box(x_96);
+if (lean_is_scalar(x_121)) {
+ x_127 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_154 = x_148;
+ x_127 = x_121;
 }
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_152);
-x_61 = x_154;
-goto block_79;
+lean_ctor_set(x_127, 0, x_126);
+lean_ctor_set(x_127, 1, x_125);
+x_53 = x_127;
+goto block_71;
 }
 else
 {
-lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; uint8_t x_165; 
-lean_dec(x_148);
-x_155 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_155, 0, x_135);
-x_156 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
-x_157 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_157, 0, x_156);
-lean_ctor_set(x_157, 1, x_155);
-x_158 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_159 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_159, 0, x_157);
-lean_ctor_set(x_159, 1, x_158);
-x_160 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_160, 0, x_138);
-x_161 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_161, 0, x_159);
-lean_ctor_set(x_161, 1, x_160);
-x_162 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_163 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_163, 0, x_161);
-lean_ctor_set(x_163, 1, x_162);
-x_164 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_150, x_163, x_5, x_6, x_7, x_8, x_152);
-x_165 = !lean_is_exclusive(x_164);
-if (x_165 == 0)
+lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 
+lean_dec(x_121);
+x_128 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_128, 0, x_108);
+x_129 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
+x_130 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_128);
+x_131 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_132 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_132, 0, x_130);
+lean_ctor_set(x_132, 1, x_131);
+x_133 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_133, 0, x_111);
+x_134 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+x_135 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_136 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_136, 0, x_134);
+lean_ctor_set(x_136, 1, x_135);
+x_137 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_123, x_136, x_5, x_6, x_7, x_8, x_125);
+x_138 = !lean_is_exclusive(x_137);
+if (x_138 == 0)
 {
-lean_object* x_166; lean_object* x_167; 
-x_166 = lean_ctor_get(x_164, 0);
-lean_dec(x_166);
-x_167 = lean_box(x_109);
-lean_ctor_set(x_164, 0, x_167);
-x_61 = x_164;
-goto block_79;
+lean_object* x_139; lean_object* x_140; 
+x_139 = lean_ctor_get(x_137, 0);
+lean_dec(x_139);
+x_140 = lean_box(x_96);
+lean_ctor_set(x_137, 0, x_140);
+x_53 = x_137;
+goto block_71;
 }
 else
 {
-lean_object* x_168; lean_object* x_169; lean_object* x_170; 
-x_168 = lean_ctor_get(x_164, 1);
-lean_inc(x_168);
-lean_dec(x_164);
-x_169 = lean_box(x_109);
-x_170 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_170, 0, x_169);
-lean_ctor_set(x_170, 1, x_168);
-x_61 = x_170;
-goto block_79;
+lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+x_141 = lean_ctor_get(x_137, 1);
+lean_inc(x_141);
+lean_dec(x_137);
+x_142 = lean_box(x_96);
+x_143 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_141);
+x_53 = x_143;
+goto block_71;
 }
 }
 }
 }
 case 1:
 {
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; uint8_t x_186; lean_object* x_187; lean_object* x_210; lean_object* x_211; lean_object* x_212; uint8_t x_213; 
-lean_dec(x_143);
-lean_dec(x_141);
-x_182 = lean_ctor_get(x_144, 1);
-lean_inc(x_182);
-if (lean_is_exclusive(x_144)) {
- lean_ctor_release(x_144, 0);
- lean_ctor_release(x_144, 1);
- x_183 = x_144;
+lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; uint8_t x_159; lean_object* x_160; lean_object* x_183; lean_object* x_184; lean_object* x_185; uint8_t x_186; 
+lean_dec(x_116);
+lean_dec(x_114);
+x_155 = lean_ctor_get(x_117, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ x_156 = x_117;
 } else {
- lean_dec_ref(x_144);
- x_183 = lean_box(0);
+ lean_dec_ref(x_117);
+ x_156 = lean_box(0);
 }
-x_184 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_185 = l_Lean_Name_str___override(x_3, x_184);
-x_210 = lean_st_ref_get(x_8, x_182);
-x_211 = lean_ctor_get(x_210, 0);
-lean_inc(x_211);
-x_212 = lean_ctor_get(x_211, 3);
-lean_inc(x_212);
-lean_dec(x_211);
-x_213 = lean_ctor_get_uint8(x_212, sizeof(void*)*1);
-lean_dec(x_212);
-if (x_213 == 0)
-{
-lean_object* x_214; 
-x_214 = lean_ctor_get(x_210, 1);
-lean_inc(x_214);
-lean_dec(x_210);
-x_186 = x_109;
-x_187 = x_214;
-goto block_209;
-}
-else
-{
-lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; uint8_t x_219; 
-x_215 = lean_ctor_get(x_210, 1);
-lean_inc(x_215);
-lean_dec(x_210);
+x_157 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_158 = l_Lean_Name_str___override(x_3, x_157);
+x_183 = lean_st_ref_get(x_8, x_155);
+x_184 = lean_ctor_get(x_183, 0);
+lean_inc(x_184);
+x_185 = lean_ctor_get(x_184, 3);
 lean_inc(x_185);
-x_216 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_185, x_5, x_6, x_7, x_8, x_215);
-x_217 = lean_ctor_get(x_216, 0);
-lean_inc(x_217);
-x_218 = lean_ctor_get(x_216, 1);
-lean_inc(x_218);
-lean_dec(x_216);
-x_219 = lean_unbox(x_217);
-lean_dec(x_217);
-x_186 = x_219;
-x_187 = x_218;
-goto block_209;
-}
-block_209:
-{
+lean_dec(x_184);
+x_186 = lean_ctor_get_uint8(x_185, sizeof(void*)*1);
+lean_dec(x_185);
 if (x_186 == 0)
 {
-uint8_t x_188; lean_object* x_189; lean_object* x_190; 
-lean_dec(x_185);
-lean_dec(x_138);
-lean_dec(x_135);
-x_188 = 1;
-x_189 = lean_box(x_188);
-if (lean_is_scalar(x_183)) {
- x_190 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_190 = x_183;
-}
-lean_ctor_set(x_190, 0, x_189);
-lean_ctor_set(x_190, 1, x_187);
-x_61 = x_190;
-goto block_79;
-}
-else
-{
-lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; uint8_t x_201; 
+lean_object* x_187; 
+x_187 = lean_ctor_get(x_183, 1);
+lean_inc(x_187);
 lean_dec(x_183);
-x_191 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_191, 0, x_135);
-x_192 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
-x_193 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_193, 0, x_192);
-lean_ctor_set(x_193, 1, x_191);
-x_194 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_195 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_195, 0, x_193);
-lean_ctor_set(x_195, 1, x_194);
-x_196 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_196, 0, x_138);
-x_197 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_197, 0, x_195);
-lean_ctor_set(x_197, 1, x_196);
-x_198 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_199 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_199, 0, x_197);
-lean_ctor_set(x_199, 1, x_198);
-x_200 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_185, x_199, x_5, x_6, x_7, x_8, x_187);
-x_201 = !lean_is_exclusive(x_200);
-if (x_201 == 0)
-{
-lean_object* x_202; uint8_t x_203; lean_object* x_204; 
-x_202 = lean_ctor_get(x_200, 0);
-lean_dec(x_202);
-x_203 = 1;
-x_204 = lean_box(x_203);
-lean_ctor_set(x_200, 0, x_204);
-x_61 = x_200;
-goto block_79;
+x_159 = x_96;
+x_160 = x_187;
+goto block_182;
 }
 else
 {
-lean_object* x_205; uint8_t x_206; lean_object* x_207; lean_object* x_208; 
-x_205 = lean_ctor_get(x_200, 1);
-lean_inc(x_205);
-lean_dec(x_200);
-x_206 = 1;
-x_207 = lean_box(x_206);
-x_208 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_208, 0, x_207);
-lean_ctor_set(x_208, 1, x_205);
-x_61 = x_208;
-goto block_79;
+lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; uint8_t x_192; 
+x_188 = lean_ctor_get(x_183, 1);
+lean_inc(x_188);
+lean_dec(x_183);
+lean_inc(x_158);
+x_189 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_158, x_5, x_6, x_7, x_8, x_188);
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
+lean_inc(x_191);
+lean_dec(x_189);
+x_192 = lean_unbox(x_190);
+lean_dec(x_190);
+x_159 = x_192;
+x_160 = x_191;
+goto block_182;
+}
+block_182:
+{
+if (x_159 == 0)
+{
+uint8_t x_161; lean_object* x_162; lean_object* x_163; 
+lean_dec(x_158);
+lean_dec(x_111);
+lean_dec(x_108);
+x_161 = 1;
+x_162 = lean_box(x_161);
+if (lean_is_scalar(x_156)) {
+ x_163 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_163 = x_156;
+}
+lean_ctor_set(x_163, 0, x_162);
+lean_ctor_set(x_163, 1, x_160);
+x_53 = x_163;
+goto block_71;
+}
+else
+{
+lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; uint8_t x_174; 
+lean_dec(x_156);
+x_164 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_164, 0, x_108);
+x_165 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
+x_166 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_166, 0, x_165);
+lean_ctor_set(x_166, 1, x_164);
+x_167 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_168 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_168, 0, x_166);
+lean_ctor_set(x_168, 1, x_167);
+x_169 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_169, 0, x_111);
+x_170 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_170, 0, x_168);
+lean_ctor_set(x_170, 1, x_169);
+x_171 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_172 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_172, 0, x_170);
+lean_ctor_set(x_172, 1, x_171);
+x_173 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_158, x_172, x_5, x_6, x_7, x_8, x_160);
+x_174 = !lean_is_exclusive(x_173);
+if (x_174 == 0)
+{
+lean_object* x_175; uint8_t x_176; lean_object* x_177; 
+x_175 = lean_ctor_get(x_173, 0);
+lean_dec(x_175);
+x_176 = 1;
+x_177 = lean_box(x_176);
+lean_ctor_set(x_173, 0, x_177);
+x_53 = x_173;
+goto block_71;
+}
+else
+{
+lean_object* x_178; uint8_t x_179; lean_object* x_180; lean_object* x_181; 
+x_178 = lean_ctor_get(x_173, 1);
+lean_inc(x_178);
+lean_dec(x_173);
+x_179 = 1;
+x_180 = lean_box(x_179);
+x_181 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_181, 0, x_180);
+lean_ctor_set(x_181, 1, x_178);
+x_53 = x_181;
+goto block_71;
 }
 }
 }
 }
 default: 
 {
-lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; uint8_t x_227; uint8_t x_228; lean_object* x_229; lean_object* x_345; lean_object* x_346; lean_object* x_438; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; uint8_t x_444; 
-x_220 = lean_ctor_get(x_144, 1);
-lean_inc(x_220);
-lean_dec(x_144);
-x_221 = lean_st_ref_get(x_8, x_220);
-x_222 = lean_ctor_get(x_221, 1);
+lean_object* x_193; lean_object* x_194; 
+x_193 = lean_ctor_get(x_117, 1);
+lean_inc(x_193);
+lean_dec(x_117);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_111);
+lean_inc(x_108);
+x_194 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_108, x_111, x_5, x_6, x_7, x_8, x_193);
+if (lean_obj_tag(x_194) == 0)
+{
+lean_object* x_195; lean_object* x_196; lean_object* x_197; uint8_t x_198; 
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_194, 1);
+lean_inc(x_196);
+lean_dec(x_194);
+x_197 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_196);
+x_198 = !lean_is_exclusive(x_197);
+if (x_198 == 0)
+{
+lean_object* x_199; lean_object* x_200; lean_object* x_201; uint8_t x_202; 
+x_199 = lean_ctor_get(x_197, 0);
+x_200 = lean_ctor_get(x_197, 1);
+lean_inc(x_195);
+x_201 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
+lean_closure_set(x_201, 0, x_195);
+x_202 = lean_nat_dec_eq(x_114, x_199);
+lean_dec(x_199);
+lean_dec(x_114);
+if (x_202 == 0)
+{
+lean_dec(x_201);
+lean_dec(x_116);
+lean_dec(x_111);
+lean_dec(x_108);
+lean_dec(x_3);
+lean_ctor_set(x_197, 0, x_195);
+x_53 = x_197;
+goto block_71;
+}
+else
+{
+lean_object* x_203; lean_object* x_204; uint8_t x_205; lean_object* x_206; lean_object* x_238; lean_object* x_239; lean_object* x_240; uint8_t x_241; 
+lean_free_object(x_197);
+x_203 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_204 = l_Lean_Name_str___override(x_3, x_203);
+x_238 = lean_st_ref_get(x_8, x_200);
+x_239 = lean_ctor_get(x_238, 0);
+lean_inc(x_239);
+x_240 = lean_ctor_get(x_239, 3);
+lean_inc(x_240);
+lean_dec(x_239);
+x_241 = lean_ctor_get_uint8(x_240, sizeof(void*)*1);
+lean_dec(x_240);
+if (x_241 == 0)
+{
+lean_object* x_242; 
+x_242 = lean_ctor_get(x_238, 1);
+lean_inc(x_242);
+lean_dec(x_238);
+x_205 = x_96;
+x_206 = x_242;
+goto block_237;
+}
+else
+{
+lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; uint8_t x_247; 
+x_243 = lean_ctor_get(x_238, 1);
+lean_inc(x_243);
+lean_dec(x_238);
+lean_inc(x_204);
+x_244 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_204, x_5, x_6, x_7, x_8, x_243);
+x_245 = lean_ctor_get(x_244, 0);
+lean_inc(x_245);
+x_246 = lean_ctor_get(x_244, 1);
+lean_inc(x_246);
+lean_dec(x_244);
+x_247 = lean_unbox(x_245);
+lean_dec(x_245);
+x_205 = x_247;
+x_206 = x_246;
+goto block_237;
+}
+block_237:
+{
+if (x_205 == 0)
+{
+lean_object* x_207; uint8_t x_208; lean_object* x_209; 
+lean_dec(x_204);
+lean_dec(x_111);
+lean_dec(x_108);
+x_207 = lean_box(0);
+x_208 = lean_unbox(x_195);
+lean_dec(x_195);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_209 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_208, x_201, x_207, x_5, x_6, x_7, x_8, x_206);
+x_53 = x_209;
+goto block_71;
+}
+else
+{
+lean_object* x_210; lean_object* x_211; uint8_t x_212; 
+x_210 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_210, 0, x_108);
+x_211 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_211, 0, x_111);
+x_212 = lean_unbox(x_195);
+if (x_212 == 0)
+{
+lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; 
+x_213 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
+x_214 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_214, 0, x_213);
+lean_ctor_set(x_214, 1, x_210);
+x_215 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_216 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_216, 0, x_214);
+lean_ctor_set(x_216, 1, x_215);
+x_217 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_217, 0, x_216);
+lean_ctor_set(x_217, 1, x_211);
+x_218 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_219 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_219, 0, x_217);
+lean_ctor_set(x_219, 1, x_218);
+x_220 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_204, x_219, x_5, x_6, x_7, x_8, x_206);
+x_221 = lean_ctor_get(x_220, 0);
+lean_inc(x_221);
+x_222 = lean_ctor_get(x_220, 1);
 lean_inc(x_222);
+lean_dec(x_220);
+x_223 = lean_unbox(x_195);
+lean_dec(x_195);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_224 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_223, x_201, x_221, x_5, x_6, x_7, x_8, x_222);
 lean_dec(x_221);
-x_223 = lean_st_ref_get(x_6, x_222);
-x_224 = lean_ctor_get(x_223, 0);
-lean_inc(x_224);
-x_225 = lean_ctor_get(x_223, 1);
-lean_inc(x_225);
-lean_dec(x_223);
-x_226 = lean_ctor_get(x_224, 0);
-lean_inc(x_226);
-lean_dec(x_224);
-x_227 = lean_ctor_get_uint8(x_226, sizeof(void*)*8);
-lean_dec(x_226);
-x_438 = lean_st_ref_get(x_8, x_225);
-x_439 = lean_ctor_get(x_438, 1);
-lean_inc(x_439);
-lean_dec(x_438);
-x_440 = lean_st_ref_take(x_6, x_439);
-x_441 = lean_ctor_get(x_440, 0);
-lean_inc(x_441);
-x_442 = lean_ctor_get(x_441, 0);
-lean_inc(x_442);
-x_443 = lean_ctor_get(x_440, 1);
-lean_inc(x_443);
-lean_dec(x_440);
-x_444 = !lean_is_exclusive(x_441);
-if (x_444 == 0)
-{
-lean_object* x_445; uint8_t x_446; 
-x_445 = lean_ctor_get(x_441, 0);
-lean_dec(x_445);
-x_446 = !lean_is_exclusive(x_442);
-if (x_446 == 0)
-{
-lean_object* x_447; lean_object* x_448; lean_object* x_449; 
-lean_ctor_set_uint8(x_442, sizeof(void*)*8, x_109);
-x_447 = lean_st_ref_set(x_6, x_441, x_443);
-x_448 = lean_ctor_get(x_447, 1);
-lean_inc(x_448);
-lean_dec(x_447);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_138);
-lean_inc(x_135);
-x_449 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_135, x_138, x_5, x_6, x_7, x_8, x_448);
-if (lean_obj_tag(x_449) == 0)
-{
-lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; lean_object* x_454; lean_object* x_455; lean_object* x_456; lean_object* x_457; lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; uint8_t x_462; 
-x_450 = lean_ctor_get(x_449, 0);
-lean_inc(x_450);
-x_451 = lean_ctor_get(x_449, 1);
-lean_inc(x_451);
-lean_dec(x_449);
-x_452 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_451);
-x_453 = lean_ctor_get(x_452, 0);
-lean_inc(x_453);
-x_454 = lean_ctor_get(x_452, 1);
-lean_inc(x_454);
-lean_dec(x_452);
-x_455 = lean_st_ref_get(x_8, x_454);
-x_456 = lean_ctor_get(x_455, 1);
-lean_inc(x_456);
-lean_dec(x_455);
-x_457 = lean_st_ref_get(x_6, x_456);
-x_458 = lean_ctor_get(x_457, 0);
-lean_inc(x_458);
-x_459 = lean_ctor_get(x_457, 1);
-lean_inc(x_459);
-lean_dec(x_457);
-x_460 = lean_ctor_get(x_458, 0);
-lean_inc(x_460);
-lean_dec(x_458);
-lean_inc(x_450);
-x_461 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
-lean_closure_set(x_461, 0, x_450);
-x_462 = lean_nat_dec_eq(x_141, x_453);
-lean_dec(x_453);
-lean_dec(x_141);
-if (x_462 == 0)
-{
-uint8_t x_463; 
-lean_dec(x_461);
-lean_dec(x_460);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_463 = lean_unbox(x_450);
-lean_dec(x_450);
-x_228 = x_463;
-x_229 = x_459;
-goto block_344;
+x_53 = x_224;
+goto block_71;
 }
 else
 {
-uint8_t x_464; 
-x_464 = lean_ctor_get_uint8(x_460, sizeof(void*)*8);
-lean_dec(x_460);
-if (x_464 == 0)
-{
-lean_object* x_465; lean_object* x_466; uint8_t x_467; lean_object* x_468; lean_object* x_515; lean_object* x_516; lean_object* x_517; uint8_t x_518; 
-x_465 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_466 = l_Lean_Name_str___override(x_3, x_465);
-x_515 = lean_st_ref_get(x_8, x_459);
-x_516 = lean_ctor_get(x_515, 0);
-lean_inc(x_516);
-x_517 = lean_ctor_get(x_516, 3);
-lean_inc(x_517);
-lean_dec(x_516);
-x_518 = lean_ctor_get_uint8(x_517, sizeof(void*)*1);
-lean_dec(x_517);
-if (x_518 == 0)
-{
-lean_object* x_519; 
-x_519 = lean_ctor_get(x_515, 1);
-lean_inc(x_519);
-lean_dec(x_515);
-x_467 = x_109;
-x_468 = x_519;
-goto block_514;
-}
-else
-{
-lean_object* x_520; lean_object* x_521; lean_object* x_522; lean_object* x_523; uint8_t x_524; 
-x_520 = lean_ctor_get(x_515, 1);
-lean_inc(x_520);
-lean_dec(x_515);
-lean_inc(x_466);
-x_521 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_466, x_5, x_6, x_7, x_8, x_520);
-x_522 = lean_ctor_get(x_521, 0);
-lean_inc(x_522);
-x_523 = lean_ctor_get(x_521, 1);
-lean_inc(x_523);
-lean_dec(x_521);
-x_524 = lean_unbox(x_522);
-lean_dec(x_522);
-x_467 = x_524;
-x_468 = x_523;
-goto block_514;
-}
-block_514:
-{
-if (x_467 == 0)
-{
-lean_object* x_469; uint8_t x_470; lean_object* x_471; 
-lean_dec(x_466);
-lean_dec(x_138);
-lean_dec(x_135);
-x_469 = lean_box(0);
-x_470 = lean_unbox(x_450);
-lean_dec(x_450);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_471 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_470, x_461, x_469, x_5, x_6, x_7, x_8, x_468);
-if (lean_obj_tag(x_471) == 0)
-{
-lean_object* x_472; lean_object* x_473; uint8_t x_474; 
-x_472 = lean_ctor_get(x_471, 0);
-lean_inc(x_472);
-x_473 = lean_ctor_get(x_471, 1);
-lean_inc(x_473);
-lean_dec(x_471);
-x_474 = lean_unbox(x_472);
-lean_dec(x_472);
-x_228 = x_474;
-x_229 = x_473;
-goto block_344;
-}
-else
-{
-lean_object* x_475; lean_object* x_476; 
-x_475 = lean_ctor_get(x_471, 0);
-lean_inc(x_475);
-x_476 = lean_ctor_get(x_471, 1);
-lean_inc(x_476);
-lean_dec(x_471);
-x_345 = x_475;
-x_346 = x_476;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_477; lean_object* x_478; uint8_t x_479; 
-x_477 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_477, 0, x_135);
-x_478 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_478, 0, x_138);
-x_479 = lean_unbox(x_450);
-if (x_479 == 0)
-{
-lean_object* x_480; lean_object* x_481; lean_object* x_482; lean_object* x_483; lean_object* x_484; lean_object* x_485; lean_object* x_486; lean_object* x_487; lean_object* x_488; lean_object* x_489; uint8_t x_490; lean_object* x_491; 
-x_480 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
-x_481 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_481, 0, x_480);
-lean_ctor_set(x_481, 1, x_477);
-x_482 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_483 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_483, 0, x_481);
-lean_ctor_set(x_483, 1, x_482);
-x_484 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_484, 0, x_483);
-lean_ctor_set(x_484, 1, x_478);
-x_485 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_486 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_486, 0, x_484);
-lean_ctor_set(x_486, 1, x_485);
-x_487 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_466, x_486, x_5, x_6, x_7, x_8, x_468);
-x_488 = lean_ctor_get(x_487, 0);
-lean_inc(x_488);
-x_489 = lean_ctor_get(x_487, 1);
-lean_inc(x_489);
-lean_dec(x_487);
-x_490 = lean_unbox(x_450);
-lean_dec(x_450);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_491 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_490, x_461, x_488, x_5, x_6, x_7, x_8, x_489);
-lean_dec(x_488);
-if (lean_obj_tag(x_491) == 0)
-{
-lean_object* x_492; lean_object* x_493; uint8_t x_494; 
-x_492 = lean_ctor_get(x_491, 0);
-lean_inc(x_492);
-x_493 = lean_ctor_get(x_491, 1);
-lean_inc(x_493);
-lean_dec(x_491);
-x_494 = lean_unbox(x_492);
-lean_dec(x_492);
-x_228 = x_494;
-x_229 = x_493;
-goto block_344;
-}
-else
-{
-lean_object* x_495; lean_object* x_496; 
-x_495 = lean_ctor_get(x_491, 0);
-lean_inc(x_495);
-x_496 = lean_ctor_get(x_491, 1);
-lean_inc(x_496);
-lean_dec(x_491);
-x_345 = x_495;
-x_346 = x_496;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_497; lean_object* x_498; lean_object* x_499; lean_object* x_500; lean_object* x_501; lean_object* x_502; lean_object* x_503; lean_object* x_504; lean_object* x_505; lean_object* x_506; uint8_t x_507; lean_object* x_508; 
-x_497 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
-x_498 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_498, 0, x_497);
-lean_ctor_set(x_498, 1, x_477);
-x_499 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_500 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_500, 0, x_498);
-lean_ctor_set(x_500, 1, x_499);
-x_501 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_501, 0, x_500);
-lean_ctor_set(x_501, 1, x_478);
-x_502 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_503 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_503, 0, x_501);
-lean_ctor_set(x_503, 1, x_502);
-x_504 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_466, x_503, x_5, x_6, x_7, x_8, x_468);
-x_505 = lean_ctor_get(x_504, 0);
-lean_inc(x_505);
-x_506 = lean_ctor_get(x_504, 1);
-lean_inc(x_506);
-lean_dec(x_504);
-x_507 = lean_unbox(x_450);
-lean_dec(x_450);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_508 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_507, x_461, x_505, x_5, x_6, x_7, x_8, x_506);
-lean_dec(x_505);
-if (lean_obj_tag(x_508) == 0)
-{
-lean_object* x_509; lean_object* x_510; uint8_t x_511; 
-x_509 = lean_ctor_get(x_508, 0);
-lean_inc(x_509);
-x_510 = lean_ctor_get(x_508, 1);
-lean_inc(x_510);
-lean_dec(x_508);
-x_511 = lean_unbox(x_509);
-lean_dec(x_509);
-x_228 = x_511;
-x_229 = x_510;
-goto block_344;
-}
-else
-{
-lean_object* x_512; lean_object* x_513; 
-x_512 = lean_ctor_get(x_508, 0);
-lean_inc(x_512);
-x_513 = lean_ctor_get(x_508, 1);
-lean_inc(x_513);
-lean_dec(x_508);
-x_345 = x_512;
-x_346 = x_513;
-goto block_437;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_525; 
-lean_dec(x_461);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_525 = lean_unbox(x_450);
-lean_dec(x_450);
-x_228 = x_525;
-x_229 = x_459;
-goto block_344;
-}
-}
-}
-else
-{
-lean_object* x_526; lean_object* x_527; 
-lean_dec(x_143);
-lean_dec(x_141);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_526 = lean_ctor_get(x_449, 0);
-lean_inc(x_526);
-x_527 = lean_ctor_get(x_449, 1);
-lean_inc(x_527);
-lean_dec(x_449);
-x_345 = x_526;
-x_346 = x_527;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_528; lean_object* x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; lean_object* x_533; lean_object* x_534; lean_object* x_535; lean_object* x_536; lean_object* x_537; lean_object* x_538; lean_object* x_539; 
-x_528 = lean_ctor_get(x_442, 0);
-x_529 = lean_ctor_get(x_442, 1);
-x_530 = lean_ctor_get(x_442, 2);
-x_531 = lean_ctor_get(x_442, 3);
-x_532 = lean_ctor_get(x_442, 4);
-x_533 = lean_ctor_get(x_442, 5);
-x_534 = lean_ctor_get(x_442, 6);
-x_535 = lean_ctor_get(x_442, 7);
-lean_inc(x_535);
-lean_inc(x_534);
-lean_inc(x_533);
-lean_inc(x_532);
-lean_inc(x_531);
-lean_inc(x_530);
-lean_inc(x_529);
-lean_inc(x_528);
-lean_dec(x_442);
-x_536 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_536, 0, x_528);
-lean_ctor_set(x_536, 1, x_529);
-lean_ctor_set(x_536, 2, x_530);
-lean_ctor_set(x_536, 3, x_531);
-lean_ctor_set(x_536, 4, x_532);
-lean_ctor_set(x_536, 5, x_533);
-lean_ctor_set(x_536, 6, x_534);
-lean_ctor_set(x_536, 7, x_535);
-lean_ctor_set_uint8(x_536, sizeof(void*)*8, x_109);
-lean_ctor_set(x_441, 0, x_536);
-x_537 = lean_st_ref_set(x_6, x_441, x_443);
-x_538 = lean_ctor_get(x_537, 1);
-lean_inc(x_538);
-lean_dec(x_537);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_138);
-lean_inc(x_135);
-x_539 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_135, x_138, x_5, x_6, x_7, x_8, x_538);
-if (lean_obj_tag(x_539) == 0)
-{
-lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; lean_object* x_544; lean_object* x_545; lean_object* x_546; lean_object* x_547; lean_object* x_548; lean_object* x_549; lean_object* x_550; lean_object* x_551; uint8_t x_552; 
-x_540 = lean_ctor_get(x_539, 0);
-lean_inc(x_540);
-x_541 = lean_ctor_get(x_539, 1);
-lean_inc(x_541);
-lean_dec(x_539);
-x_542 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_541);
-x_543 = lean_ctor_get(x_542, 0);
-lean_inc(x_543);
-x_544 = lean_ctor_get(x_542, 1);
-lean_inc(x_544);
-lean_dec(x_542);
-x_545 = lean_st_ref_get(x_8, x_544);
-x_546 = lean_ctor_get(x_545, 1);
-lean_inc(x_546);
-lean_dec(x_545);
-x_547 = lean_st_ref_get(x_6, x_546);
-x_548 = lean_ctor_get(x_547, 0);
-lean_inc(x_548);
-x_549 = lean_ctor_get(x_547, 1);
-lean_inc(x_549);
-lean_dec(x_547);
-x_550 = lean_ctor_get(x_548, 0);
-lean_inc(x_550);
-lean_dec(x_548);
-lean_inc(x_540);
-x_551 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
-lean_closure_set(x_551, 0, x_540);
-x_552 = lean_nat_dec_eq(x_141, x_543);
-lean_dec(x_543);
-lean_dec(x_141);
-if (x_552 == 0)
-{
-uint8_t x_553; 
-lean_dec(x_551);
-lean_dec(x_550);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_553 = lean_unbox(x_540);
-lean_dec(x_540);
-x_228 = x_553;
-x_229 = x_549;
-goto block_344;
-}
-else
-{
-uint8_t x_554; 
-x_554 = lean_ctor_get_uint8(x_550, sizeof(void*)*8);
-lean_dec(x_550);
-if (x_554 == 0)
-{
-lean_object* x_555; lean_object* x_556; uint8_t x_557; lean_object* x_558; lean_object* x_605; lean_object* x_606; lean_object* x_607; uint8_t x_608; 
-x_555 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_556 = l_Lean_Name_str___override(x_3, x_555);
-x_605 = lean_st_ref_get(x_8, x_549);
-x_606 = lean_ctor_get(x_605, 0);
-lean_inc(x_606);
-x_607 = lean_ctor_get(x_606, 3);
-lean_inc(x_607);
-lean_dec(x_606);
-x_608 = lean_ctor_get_uint8(x_607, sizeof(void*)*1);
-lean_dec(x_607);
-if (x_608 == 0)
-{
-lean_object* x_609; 
-x_609 = lean_ctor_get(x_605, 1);
-lean_inc(x_609);
-lean_dec(x_605);
-x_557 = x_109;
-x_558 = x_609;
-goto block_604;
-}
-else
-{
-lean_object* x_610; lean_object* x_611; lean_object* x_612; lean_object* x_613; uint8_t x_614; 
-x_610 = lean_ctor_get(x_605, 1);
-lean_inc(x_610);
-lean_dec(x_605);
-lean_inc(x_556);
-x_611 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_556, x_5, x_6, x_7, x_8, x_610);
-x_612 = lean_ctor_get(x_611, 0);
-lean_inc(x_612);
-x_613 = lean_ctor_get(x_611, 1);
-lean_inc(x_613);
-lean_dec(x_611);
-x_614 = lean_unbox(x_612);
-lean_dec(x_612);
-x_557 = x_614;
-x_558 = x_613;
-goto block_604;
-}
-block_604:
-{
-if (x_557 == 0)
-{
-lean_object* x_559; uint8_t x_560; lean_object* x_561; 
-lean_dec(x_556);
-lean_dec(x_138);
-lean_dec(x_135);
-x_559 = lean_box(0);
-x_560 = lean_unbox(x_540);
-lean_dec(x_540);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_561 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_560, x_551, x_559, x_5, x_6, x_7, x_8, x_558);
-if (lean_obj_tag(x_561) == 0)
-{
-lean_object* x_562; lean_object* x_563; uint8_t x_564; 
-x_562 = lean_ctor_get(x_561, 0);
-lean_inc(x_562);
-x_563 = lean_ctor_get(x_561, 1);
-lean_inc(x_563);
-lean_dec(x_561);
-x_564 = lean_unbox(x_562);
-lean_dec(x_562);
-x_228 = x_564;
-x_229 = x_563;
-goto block_344;
-}
-else
-{
-lean_object* x_565; lean_object* x_566; 
-x_565 = lean_ctor_get(x_561, 0);
-lean_inc(x_565);
-x_566 = lean_ctor_get(x_561, 1);
-lean_inc(x_566);
-lean_dec(x_561);
-x_345 = x_565;
-x_346 = x_566;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_567; lean_object* x_568; uint8_t x_569; 
-x_567 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_567, 0, x_135);
-x_568 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_568, 0, x_138);
-x_569 = lean_unbox(x_540);
-if (x_569 == 0)
-{
-lean_object* x_570; lean_object* x_571; lean_object* x_572; lean_object* x_573; lean_object* x_574; lean_object* x_575; lean_object* x_576; lean_object* x_577; lean_object* x_578; lean_object* x_579; uint8_t x_580; lean_object* x_581; 
-x_570 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
-x_571 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_571, 0, x_570);
-lean_ctor_set(x_571, 1, x_567);
-x_572 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_573 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_573, 0, x_571);
-lean_ctor_set(x_573, 1, x_572);
-x_574 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_574, 0, x_573);
-lean_ctor_set(x_574, 1, x_568);
-x_575 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_576 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_576, 0, x_574);
-lean_ctor_set(x_576, 1, x_575);
-x_577 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_556, x_576, x_5, x_6, x_7, x_8, x_558);
-x_578 = lean_ctor_get(x_577, 0);
-lean_inc(x_578);
-x_579 = lean_ctor_get(x_577, 1);
-lean_inc(x_579);
-lean_dec(x_577);
-x_580 = lean_unbox(x_540);
-lean_dec(x_540);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_581 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_580, x_551, x_578, x_5, x_6, x_7, x_8, x_579);
-lean_dec(x_578);
-if (lean_obj_tag(x_581) == 0)
-{
-lean_object* x_582; lean_object* x_583; uint8_t x_584; 
-x_582 = lean_ctor_get(x_581, 0);
-lean_inc(x_582);
-x_583 = lean_ctor_get(x_581, 1);
-lean_inc(x_583);
-lean_dec(x_581);
-x_584 = lean_unbox(x_582);
-lean_dec(x_582);
-x_228 = x_584;
-x_229 = x_583;
-goto block_344;
-}
-else
-{
-lean_object* x_585; lean_object* x_586; 
-x_585 = lean_ctor_get(x_581, 0);
-lean_inc(x_585);
-x_586 = lean_ctor_get(x_581, 1);
-lean_inc(x_586);
-lean_dec(x_581);
-x_345 = x_585;
-x_346 = x_586;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_587; lean_object* x_588; lean_object* x_589; lean_object* x_590; lean_object* x_591; lean_object* x_592; lean_object* x_593; lean_object* x_594; lean_object* x_595; lean_object* x_596; uint8_t x_597; lean_object* x_598; 
-x_587 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
-x_588 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_588, 0, x_587);
-lean_ctor_set(x_588, 1, x_567);
-x_589 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_590 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_590, 0, x_588);
-lean_ctor_set(x_590, 1, x_589);
-x_591 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_591, 0, x_590);
-lean_ctor_set(x_591, 1, x_568);
-x_592 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_593 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_593, 0, x_591);
-lean_ctor_set(x_593, 1, x_592);
-x_594 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_556, x_593, x_5, x_6, x_7, x_8, x_558);
-x_595 = lean_ctor_get(x_594, 0);
-lean_inc(x_595);
-x_596 = lean_ctor_get(x_594, 1);
-lean_inc(x_596);
-lean_dec(x_594);
-x_597 = lean_unbox(x_540);
-lean_dec(x_540);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_598 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_597, x_551, x_595, x_5, x_6, x_7, x_8, x_596);
-lean_dec(x_595);
-if (lean_obj_tag(x_598) == 0)
-{
-lean_object* x_599; lean_object* x_600; uint8_t x_601; 
-x_599 = lean_ctor_get(x_598, 0);
-lean_inc(x_599);
-x_600 = lean_ctor_get(x_598, 1);
-lean_inc(x_600);
-lean_dec(x_598);
-x_601 = lean_unbox(x_599);
-lean_dec(x_599);
-x_228 = x_601;
-x_229 = x_600;
-goto block_344;
-}
-else
-{
-lean_object* x_602; lean_object* x_603; 
-x_602 = lean_ctor_get(x_598, 0);
-lean_inc(x_602);
-x_603 = lean_ctor_get(x_598, 1);
-lean_inc(x_603);
-lean_dec(x_598);
-x_345 = x_602;
-x_346 = x_603;
-goto block_437;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_615; 
-lean_dec(x_551);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_615 = lean_unbox(x_540);
-lean_dec(x_540);
-x_228 = x_615;
-x_229 = x_549;
-goto block_344;
-}
-}
-}
-else
-{
-lean_object* x_616; lean_object* x_617; 
-lean_dec(x_143);
-lean_dec(x_141);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_616 = lean_ctor_get(x_539, 0);
-lean_inc(x_616);
-x_617 = lean_ctor_get(x_539, 1);
-lean_inc(x_617);
-lean_dec(x_539);
-x_345 = x_616;
-x_346 = x_617;
-goto block_437;
-}
-}
-}
-else
-{
-lean_object* x_618; lean_object* x_619; lean_object* x_620; lean_object* x_621; lean_object* x_622; lean_object* x_623; lean_object* x_624; lean_object* x_625; lean_object* x_626; lean_object* x_627; lean_object* x_628; lean_object* x_629; lean_object* x_630; lean_object* x_631; lean_object* x_632; lean_object* x_633; lean_object* x_634; 
-x_618 = lean_ctor_get(x_441, 1);
-x_619 = lean_ctor_get(x_441, 2);
-x_620 = lean_ctor_get(x_441, 3);
-lean_inc(x_620);
-lean_inc(x_619);
-lean_inc(x_618);
-lean_dec(x_441);
-x_621 = lean_ctor_get(x_442, 0);
-lean_inc(x_621);
-x_622 = lean_ctor_get(x_442, 1);
-lean_inc(x_622);
-x_623 = lean_ctor_get(x_442, 2);
-lean_inc(x_623);
-x_624 = lean_ctor_get(x_442, 3);
-lean_inc(x_624);
-x_625 = lean_ctor_get(x_442, 4);
-lean_inc(x_625);
-x_626 = lean_ctor_get(x_442, 5);
-lean_inc(x_626);
-x_627 = lean_ctor_get(x_442, 6);
-lean_inc(x_627);
-x_628 = lean_ctor_get(x_442, 7);
-lean_inc(x_628);
-if (lean_is_exclusive(x_442)) {
- lean_ctor_release(x_442, 0);
- lean_ctor_release(x_442, 1);
- lean_ctor_release(x_442, 2);
- lean_ctor_release(x_442, 3);
- lean_ctor_release(x_442, 4);
- lean_ctor_release(x_442, 5);
- lean_ctor_release(x_442, 6);
- lean_ctor_release(x_442, 7);
- x_629 = x_442;
-} else {
- lean_dec_ref(x_442);
- x_629 = lean_box(0);
-}
-if (lean_is_scalar(x_629)) {
- x_630 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_630 = x_629;
-}
-lean_ctor_set(x_630, 0, x_621);
-lean_ctor_set(x_630, 1, x_622);
-lean_ctor_set(x_630, 2, x_623);
-lean_ctor_set(x_630, 3, x_624);
-lean_ctor_set(x_630, 4, x_625);
-lean_ctor_set(x_630, 5, x_626);
-lean_ctor_set(x_630, 6, x_627);
-lean_ctor_set(x_630, 7, x_628);
-lean_ctor_set_uint8(x_630, sizeof(void*)*8, x_109);
-x_631 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_631, 0, x_630);
-lean_ctor_set(x_631, 1, x_618);
-lean_ctor_set(x_631, 2, x_619);
-lean_ctor_set(x_631, 3, x_620);
-x_632 = lean_st_ref_set(x_6, x_631, x_443);
-x_633 = lean_ctor_get(x_632, 1);
-lean_inc(x_633);
-lean_dec(x_632);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_138);
-lean_inc(x_135);
-x_634 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_135, x_138, x_5, x_6, x_7, x_8, x_633);
-if (lean_obj_tag(x_634) == 0)
-{
-lean_object* x_635; lean_object* x_636; lean_object* x_637; lean_object* x_638; lean_object* x_639; lean_object* x_640; lean_object* x_641; lean_object* x_642; lean_object* x_643; lean_object* x_644; lean_object* x_645; lean_object* x_646; uint8_t x_647; 
-x_635 = lean_ctor_get(x_634, 0);
-lean_inc(x_635);
-x_636 = lean_ctor_get(x_634, 1);
-lean_inc(x_636);
-lean_dec(x_634);
-x_637 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_636);
-x_638 = lean_ctor_get(x_637, 0);
-lean_inc(x_638);
-x_639 = lean_ctor_get(x_637, 1);
-lean_inc(x_639);
-lean_dec(x_637);
-x_640 = lean_st_ref_get(x_8, x_639);
-x_641 = lean_ctor_get(x_640, 1);
-lean_inc(x_641);
-lean_dec(x_640);
-x_642 = lean_st_ref_get(x_6, x_641);
-x_643 = lean_ctor_get(x_642, 0);
-lean_inc(x_643);
-x_644 = lean_ctor_get(x_642, 1);
-lean_inc(x_644);
-lean_dec(x_642);
-x_645 = lean_ctor_get(x_643, 0);
-lean_inc(x_645);
-lean_dec(x_643);
-lean_inc(x_635);
-x_646 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
-lean_closure_set(x_646, 0, x_635);
-x_647 = lean_nat_dec_eq(x_141, x_638);
-lean_dec(x_638);
-lean_dec(x_141);
-if (x_647 == 0)
-{
-uint8_t x_648; 
-lean_dec(x_646);
-lean_dec(x_645);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_648 = lean_unbox(x_635);
-lean_dec(x_635);
-x_228 = x_648;
-x_229 = x_644;
-goto block_344;
-}
-else
-{
-uint8_t x_649; 
-x_649 = lean_ctor_get_uint8(x_645, sizeof(void*)*8);
-lean_dec(x_645);
-if (x_649 == 0)
-{
-lean_object* x_650; lean_object* x_651; uint8_t x_652; lean_object* x_653; lean_object* x_700; lean_object* x_701; lean_object* x_702; uint8_t x_703; 
-x_650 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_651 = l_Lean_Name_str___override(x_3, x_650);
-x_700 = lean_st_ref_get(x_8, x_644);
-x_701 = lean_ctor_get(x_700, 0);
-lean_inc(x_701);
-x_702 = lean_ctor_get(x_701, 3);
-lean_inc(x_702);
-lean_dec(x_701);
-x_703 = lean_ctor_get_uint8(x_702, sizeof(void*)*1);
-lean_dec(x_702);
-if (x_703 == 0)
-{
-lean_object* x_704; 
-x_704 = lean_ctor_get(x_700, 1);
-lean_inc(x_704);
-lean_dec(x_700);
-x_652 = x_109;
-x_653 = x_704;
-goto block_699;
-}
-else
-{
-lean_object* x_705; lean_object* x_706; lean_object* x_707; lean_object* x_708; uint8_t x_709; 
-x_705 = lean_ctor_get(x_700, 1);
-lean_inc(x_705);
-lean_dec(x_700);
-lean_inc(x_651);
-x_706 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_651, x_5, x_6, x_7, x_8, x_705);
-x_707 = lean_ctor_get(x_706, 0);
-lean_inc(x_707);
-x_708 = lean_ctor_get(x_706, 1);
-lean_inc(x_708);
-lean_dec(x_706);
-x_709 = lean_unbox(x_707);
-lean_dec(x_707);
-x_652 = x_709;
-x_653 = x_708;
-goto block_699;
-}
-block_699:
-{
-if (x_652 == 0)
-{
-lean_object* x_654; uint8_t x_655; lean_object* x_656; 
-lean_dec(x_651);
-lean_dec(x_138);
-lean_dec(x_135);
-x_654 = lean_box(0);
-x_655 = lean_unbox(x_635);
-lean_dec(x_635);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_656 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_655, x_646, x_654, x_5, x_6, x_7, x_8, x_653);
-if (lean_obj_tag(x_656) == 0)
-{
-lean_object* x_657; lean_object* x_658; uint8_t x_659; 
-x_657 = lean_ctor_get(x_656, 0);
-lean_inc(x_657);
-x_658 = lean_ctor_get(x_656, 1);
-lean_inc(x_658);
-lean_dec(x_656);
-x_659 = lean_unbox(x_657);
-lean_dec(x_657);
-x_228 = x_659;
-x_229 = x_658;
-goto block_344;
-}
-else
-{
-lean_object* x_660; lean_object* x_661; 
-x_660 = lean_ctor_get(x_656, 0);
-lean_inc(x_660);
-x_661 = lean_ctor_get(x_656, 1);
-lean_inc(x_661);
-lean_dec(x_656);
-x_345 = x_660;
-x_346 = x_661;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_662; lean_object* x_663; uint8_t x_664; 
-x_662 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_662, 0, x_135);
-x_663 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_663, 0, x_138);
-x_664 = lean_unbox(x_635);
-if (x_664 == 0)
-{
-lean_object* x_665; lean_object* x_666; lean_object* x_667; lean_object* x_668; lean_object* x_669; lean_object* x_670; lean_object* x_671; lean_object* x_672; lean_object* x_673; lean_object* x_674; uint8_t x_675; lean_object* x_676; 
-x_665 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
-x_666 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_666, 0, x_665);
-lean_ctor_set(x_666, 1, x_662);
-x_667 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_668 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_668, 0, x_666);
-lean_ctor_set(x_668, 1, x_667);
-x_669 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_669, 0, x_668);
-lean_ctor_set(x_669, 1, x_663);
-x_670 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_671 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_671, 0, x_669);
-lean_ctor_set(x_671, 1, x_670);
-x_672 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_651, x_671, x_5, x_6, x_7, x_8, x_653);
-x_673 = lean_ctor_get(x_672, 0);
-lean_inc(x_673);
-x_674 = lean_ctor_get(x_672, 1);
-lean_inc(x_674);
-lean_dec(x_672);
-x_675 = lean_unbox(x_635);
-lean_dec(x_635);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_676 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_675, x_646, x_673, x_5, x_6, x_7, x_8, x_674);
-lean_dec(x_673);
-if (lean_obj_tag(x_676) == 0)
-{
-lean_object* x_677; lean_object* x_678; uint8_t x_679; 
-x_677 = lean_ctor_get(x_676, 0);
-lean_inc(x_677);
-x_678 = lean_ctor_get(x_676, 1);
-lean_inc(x_678);
-lean_dec(x_676);
-x_679 = lean_unbox(x_677);
-lean_dec(x_677);
-x_228 = x_679;
-x_229 = x_678;
-goto block_344;
-}
-else
-{
-lean_object* x_680; lean_object* x_681; 
-x_680 = lean_ctor_get(x_676, 0);
-lean_inc(x_680);
-x_681 = lean_ctor_get(x_676, 1);
-lean_inc(x_681);
-lean_dec(x_676);
-x_345 = x_680;
-x_346 = x_681;
-goto block_437;
-}
-}
-else
-{
-lean_object* x_682; lean_object* x_683; lean_object* x_684; lean_object* x_685; lean_object* x_686; lean_object* x_687; lean_object* x_688; lean_object* x_689; lean_object* x_690; lean_object* x_691; uint8_t x_692; lean_object* x_693; 
-x_682 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
-x_683 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_683, 0, x_682);
-lean_ctor_set(x_683, 1, x_662);
-x_684 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_685 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_685, 0, x_683);
-lean_ctor_set(x_685, 1, x_684);
-x_686 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_686, 0, x_685);
-lean_ctor_set(x_686, 1, x_663);
-x_687 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_688 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_688, 0, x_686);
-lean_ctor_set(x_688, 1, x_687);
-x_689 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_651, x_688, x_5, x_6, x_7, x_8, x_653);
-x_690 = lean_ctor_get(x_689, 0);
-lean_inc(x_690);
-x_691 = lean_ctor_get(x_689, 1);
-lean_inc(x_691);
-lean_dec(x_689);
-x_692 = lean_unbox(x_635);
-lean_dec(x_635);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_693 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_143, x_692, x_646, x_690, x_5, x_6, x_7, x_8, x_691);
-lean_dec(x_690);
-if (lean_obj_tag(x_693) == 0)
-{
-lean_object* x_694; lean_object* x_695; uint8_t x_696; 
-x_694 = lean_ctor_get(x_693, 0);
-lean_inc(x_694);
-x_695 = lean_ctor_get(x_693, 1);
-lean_inc(x_695);
-lean_dec(x_693);
-x_696 = lean_unbox(x_694);
-lean_dec(x_694);
-x_228 = x_696;
-x_229 = x_695;
-goto block_344;
-}
-else
-{
-lean_object* x_697; lean_object* x_698; 
-x_697 = lean_ctor_get(x_693, 0);
-lean_inc(x_697);
-x_698 = lean_ctor_get(x_693, 1);
-lean_inc(x_698);
-lean_dec(x_693);
-x_345 = x_697;
-x_346 = x_698;
-goto block_437;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_710; 
-lean_dec(x_646);
-lean_dec(x_143);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_710 = lean_unbox(x_635);
-lean_dec(x_635);
-x_228 = x_710;
-x_229 = x_644;
-goto block_344;
-}
-}
-}
-else
-{
-lean_object* x_711; lean_object* x_712; 
-lean_dec(x_143);
-lean_dec(x_141);
-lean_dec(x_138);
-lean_dec(x_135);
-lean_dec(x_3);
-x_711 = lean_ctor_get(x_634, 0);
-lean_inc(x_711);
-x_712 = lean_ctor_get(x_634, 1);
-lean_inc(x_712);
-lean_dec(x_634);
-x_345 = x_711;
-x_346 = x_712;
-goto block_437;
-}
-}
-block_344:
-{
-lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_230 = lean_st_ref_get(x_8, x_229);
-x_231 = lean_ctor_get(x_230, 1);
-lean_inc(x_231);
-lean_dec(x_230);
-x_232 = lean_st_ref_take(x_6, x_231);
+lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; uint8_t x_235; lean_object* x_236; 
+x_225 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
+x_226 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_210);
+x_227 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_228 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_228, 0, x_226);
+lean_ctor_set(x_228, 1, x_227);
+x_229 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_211);
+x_230 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_231 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_231, 0, x_229);
+lean_ctor_set(x_231, 1, x_230);
+x_232 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_204, x_231, x_5, x_6, x_7, x_8, x_206);
 x_233 = lean_ctor_get(x_232, 0);
 lean_inc(x_233);
-x_234 = lean_ctor_get(x_233, 0);
+x_234 = lean_ctor_get(x_232, 1);
 lean_inc(x_234);
-if (x_227 == 0)
-{
-lean_object* x_235; uint8_t x_236; 
-x_235 = lean_ctor_get(x_232, 1);
-lean_inc(x_235);
 lean_dec(x_232);
-x_236 = !lean_is_exclusive(x_233);
-if (x_236 == 0)
-{
-lean_object* x_237; uint8_t x_238; 
-x_237 = lean_ctor_get(x_233, 0);
-lean_dec(x_237);
-x_238 = !lean_is_exclusive(x_234);
-if (x_238 == 0)
-{
-lean_object* x_239; uint8_t x_240; 
-x_239 = lean_st_ref_set(x_6, x_233, x_235);
-x_240 = !lean_is_exclusive(x_239);
-if (x_240 == 0)
-{
-lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; 
-x_241 = lean_ctor_get(x_239, 0);
-lean_dec(x_241);
-x_242 = lean_box(0);
-x_243 = lean_box(x_228);
-x_244 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_244, 0, x_243);
-lean_ctor_set(x_244, 1, x_242);
-lean_ctor_set(x_239, 0, x_244);
-x_80 = x_239;
-goto block_92;
-}
-else
-{
-lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_245 = lean_ctor_get(x_239, 1);
-lean_inc(x_245);
-lean_dec(x_239);
-x_246 = lean_box(0);
-x_247 = lean_box(x_228);
-x_248 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_248, 0, x_247);
-lean_ctor_set(x_248, 1, x_246);
-x_249 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_245);
-x_80 = x_249;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; uint8_t x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; 
-x_250 = lean_ctor_get(x_234, 0);
-x_251 = lean_ctor_get(x_234, 1);
-x_252 = lean_ctor_get(x_234, 2);
-x_253 = lean_ctor_get(x_234, 3);
-x_254 = lean_ctor_get(x_234, 4);
-x_255 = lean_ctor_get(x_234, 5);
-x_256 = lean_ctor_get(x_234, 6);
-x_257 = lean_ctor_get(x_234, 7);
-x_258 = lean_ctor_get_uint8(x_234, sizeof(void*)*8);
-lean_inc(x_257);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_inc(x_254);
-lean_inc(x_253);
-lean_inc(x_252);
-lean_inc(x_251);
-lean_inc(x_250);
-lean_dec(x_234);
-x_259 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_259, 0, x_250);
-lean_ctor_set(x_259, 1, x_251);
-lean_ctor_set(x_259, 2, x_252);
-lean_ctor_set(x_259, 3, x_253);
-lean_ctor_set(x_259, 4, x_254);
-lean_ctor_set(x_259, 5, x_255);
-lean_ctor_set(x_259, 6, x_256);
-lean_ctor_set(x_259, 7, x_257);
-lean_ctor_set_uint8(x_259, sizeof(void*)*8, x_258);
-lean_ctor_set(x_233, 0, x_259);
-x_260 = lean_st_ref_set(x_6, x_233, x_235);
-x_261 = lean_ctor_get(x_260, 1);
-lean_inc(x_261);
-if (lean_is_exclusive(x_260)) {
- lean_ctor_release(x_260, 0);
- lean_ctor_release(x_260, 1);
- x_262 = x_260;
-} else {
- lean_dec_ref(x_260);
- x_262 = lean_box(0);
-}
-x_263 = lean_box(0);
-x_264 = lean_box(x_228);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_263);
-if (lean_is_scalar(x_262)) {
- x_266 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_266 = x_262;
-}
-lean_ctor_set(x_266, 0, x_265);
-lean_ctor_set(x_266, 1, x_261);
-x_80 = x_266;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; uint8_t x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; 
-x_267 = lean_ctor_get(x_233, 1);
-x_268 = lean_ctor_get(x_233, 2);
-x_269 = lean_ctor_get(x_233, 3);
-lean_inc(x_269);
-lean_inc(x_268);
-lean_inc(x_267);
-lean_dec(x_233);
-x_270 = lean_ctor_get(x_234, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_234, 1);
-lean_inc(x_271);
-x_272 = lean_ctor_get(x_234, 2);
-lean_inc(x_272);
-x_273 = lean_ctor_get(x_234, 3);
-lean_inc(x_273);
-x_274 = lean_ctor_get(x_234, 4);
-lean_inc(x_274);
-x_275 = lean_ctor_get(x_234, 5);
-lean_inc(x_275);
-x_276 = lean_ctor_get(x_234, 6);
-lean_inc(x_276);
-x_277 = lean_ctor_get(x_234, 7);
-lean_inc(x_277);
-x_278 = lean_ctor_get_uint8(x_234, sizeof(void*)*8);
-if (lean_is_exclusive(x_234)) {
- lean_ctor_release(x_234, 0);
- lean_ctor_release(x_234, 1);
- lean_ctor_release(x_234, 2);
- lean_ctor_release(x_234, 3);
- lean_ctor_release(x_234, 4);
- lean_ctor_release(x_234, 5);
- lean_ctor_release(x_234, 6);
- lean_ctor_release(x_234, 7);
- x_279 = x_234;
-} else {
- lean_dec_ref(x_234);
- x_279 = lean_box(0);
-}
-if (lean_is_scalar(x_279)) {
- x_280 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_280 = x_279;
-}
-lean_ctor_set(x_280, 0, x_270);
-lean_ctor_set(x_280, 1, x_271);
-lean_ctor_set(x_280, 2, x_272);
-lean_ctor_set(x_280, 3, x_273);
-lean_ctor_set(x_280, 4, x_274);
-lean_ctor_set(x_280, 5, x_275);
-lean_ctor_set(x_280, 6, x_276);
-lean_ctor_set(x_280, 7, x_277);
-lean_ctor_set_uint8(x_280, sizeof(void*)*8, x_278);
-x_281 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_281, 0, x_280);
-lean_ctor_set(x_281, 1, x_267);
-lean_ctor_set(x_281, 2, x_268);
-lean_ctor_set(x_281, 3, x_269);
-x_282 = lean_st_ref_set(x_6, x_281, x_235);
-x_283 = lean_ctor_get(x_282, 1);
-lean_inc(x_283);
-if (lean_is_exclusive(x_282)) {
- lean_ctor_release(x_282, 0);
- lean_ctor_release(x_282, 1);
- x_284 = x_282;
-} else {
- lean_dec_ref(x_282);
- x_284 = lean_box(0);
-}
-x_285 = lean_box(0);
-x_286 = lean_box(x_228);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_286);
-lean_ctor_set(x_287, 1, x_285);
-if (lean_is_scalar(x_284)) {
- x_288 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_288 = x_284;
-}
-lean_ctor_set(x_288, 0, x_287);
-lean_ctor_set(x_288, 1, x_283);
-x_80 = x_288;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_289; uint8_t x_290; 
-x_289 = lean_ctor_get(x_232, 1);
-lean_inc(x_289);
-lean_dec(x_232);
-x_290 = !lean_is_exclusive(x_233);
-if (x_290 == 0)
-{
-lean_object* x_291; uint8_t x_292; 
-x_291 = lean_ctor_get(x_233, 0);
-lean_dec(x_291);
-x_292 = !lean_is_exclusive(x_234);
-if (x_292 == 0)
-{
-uint8_t x_293; lean_object* x_294; uint8_t x_295; 
-x_293 = 1;
-lean_ctor_set_uint8(x_234, sizeof(void*)*8, x_293);
-x_294 = lean_st_ref_set(x_6, x_233, x_289);
-x_295 = !lean_is_exclusive(x_294);
-if (x_295 == 0)
-{
-lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; 
-x_296 = lean_ctor_get(x_294, 0);
-lean_dec(x_296);
-x_297 = lean_box(0);
-x_298 = lean_box(x_228);
-x_299 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_299, 0, x_298);
-lean_ctor_set(x_299, 1, x_297);
-lean_ctor_set(x_294, 0, x_299);
-x_80 = x_294;
-goto block_92;
-}
-else
-{
-lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; 
-x_300 = lean_ctor_get(x_294, 1);
-lean_inc(x_300);
-lean_dec(x_294);
-x_301 = lean_box(0);
-x_302 = lean_box(x_228);
-x_303 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_303, 0, x_302);
-lean_ctor_set(x_303, 1, x_301);
-x_304 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_304, 0, x_303);
-lean_ctor_set(x_304, 1, x_300);
-x_80 = x_304;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; uint8_t x_313; lean_object* x_314; lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; 
-x_305 = lean_ctor_get(x_234, 0);
-x_306 = lean_ctor_get(x_234, 1);
-x_307 = lean_ctor_get(x_234, 2);
-x_308 = lean_ctor_get(x_234, 3);
-x_309 = lean_ctor_get(x_234, 4);
-x_310 = lean_ctor_get(x_234, 5);
-x_311 = lean_ctor_get(x_234, 6);
-x_312 = lean_ctor_get(x_234, 7);
-lean_inc(x_312);
-lean_inc(x_311);
-lean_inc(x_310);
-lean_inc(x_309);
-lean_inc(x_308);
-lean_inc(x_307);
-lean_inc(x_306);
-lean_inc(x_305);
-lean_dec(x_234);
-x_313 = 1;
-x_314 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_314, 0, x_305);
-lean_ctor_set(x_314, 1, x_306);
-lean_ctor_set(x_314, 2, x_307);
-lean_ctor_set(x_314, 3, x_308);
-lean_ctor_set(x_314, 4, x_309);
-lean_ctor_set(x_314, 5, x_310);
-lean_ctor_set(x_314, 6, x_311);
-lean_ctor_set(x_314, 7, x_312);
-lean_ctor_set_uint8(x_314, sizeof(void*)*8, x_313);
-lean_ctor_set(x_233, 0, x_314);
-x_315 = lean_st_ref_set(x_6, x_233, x_289);
-x_316 = lean_ctor_get(x_315, 1);
-lean_inc(x_316);
-if (lean_is_exclusive(x_315)) {
- lean_ctor_release(x_315, 0);
- lean_ctor_release(x_315, 1);
- x_317 = x_315;
-} else {
- lean_dec_ref(x_315);
- x_317 = lean_box(0);
-}
-x_318 = lean_box(0);
-x_319 = lean_box(x_228);
-x_320 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_320, 0, x_319);
-lean_ctor_set(x_320, 1, x_318);
-if (lean_is_scalar(x_317)) {
- x_321 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_321 = x_317;
-}
-lean_ctor_set(x_321, 0, x_320);
-lean_ctor_set(x_321, 1, x_316);
-x_80 = x_321;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_322; lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; uint8_t x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; 
-x_322 = lean_ctor_get(x_233, 1);
-x_323 = lean_ctor_get(x_233, 2);
-x_324 = lean_ctor_get(x_233, 3);
-lean_inc(x_324);
-lean_inc(x_323);
-lean_inc(x_322);
-lean_dec(x_233);
-x_325 = lean_ctor_get(x_234, 0);
-lean_inc(x_325);
-x_326 = lean_ctor_get(x_234, 1);
-lean_inc(x_326);
-x_327 = lean_ctor_get(x_234, 2);
-lean_inc(x_327);
-x_328 = lean_ctor_get(x_234, 3);
-lean_inc(x_328);
-x_329 = lean_ctor_get(x_234, 4);
-lean_inc(x_329);
-x_330 = lean_ctor_get(x_234, 5);
-lean_inc(x_330);
-x_331 = lean_ctor_get(x_234, 6);
-lean_inc(x_331);
-x_332 = lean_ctor_get(x_234, 7);
-lean_inc(x_332);
-if (lean_is_exclusive(x_234)) {
- lean_ctor_release(x_234, 0);
- lean_ctor_release(x_234, 1);
- lean_ctor_release(x_234, 2);
- lean_ctor_release(x_234, 3);
- lean_ctor_release(x_234, 4);
- lean_ctor_release(x_234, 5);
- lean_ctor_release(x_234, 6);
- lean_ctor_release(x_234, 7);
- x_333 = x_234;
-} else {
- lean_dec_ref(x_234);
- x_333 = lean_box(0);
-}
-x_334 = 1;
-if (lean_is_scalar(x_333)) {
- x_335 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_335 = x_333;
-}
-lean_ctor_set(x_335, 0, x_325);
-lean_ctor_set(x_335, 1, x_326);
-lean_ctor_set(x_335, 2, x_327);
-lean_ctor_set(x_335, 3, x_328);
-lean_ctor_set(x_335, 4, x_329);
-lean_ctor_set(x_335, 5, x_330);
-lean_ctor_set(x_335, 6, x_331);
-lean_ctor_set(x_335, 7, x_332);
-lean_ctor_set_uint8(x_335, sizeof(void*)*8, x_334);
-x_336 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_336, 0, x_335);
-lean_ctor_set(x_336, 1, x_322);
-lean_ctor_set(x_336, 2, x_323);
-lean_ctor_set(x_336, 3, x_324);
-x_337 = lean_st_ref_set(x_6, x_336, x_289);
-x_338 = lean_ctor_get(x_337, 1);
-lean_inc(x_338);
-if (lean_is_exclusive(x_337)) {
- lean_ctor_release(x_337, 0);
- lean_ctor_release(x_337, 1);
- x_339 = x_337;
-} else {
- lean_dec_ref(x_337);
- x_339 = lean_box(0);
-}
-x_340 = lean_box(0);
-x_341 = lean_box(x_228);
-x_342 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_342, 0, x_341);
-lean_ctor_set(x_342, 1, x_340);
-if (lean_is_scalar(x_339)) {
- x_343 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_343 = x_339;
-}
-lean_ctor_set(x_343, 0, x_342);
-lean_ctor_set(x_343, 1, x_338);
-x_80 = x_343;
-goto block_92;
-}
-}
-}
-block_437:
-{
-lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; 
-x_347 = lean_st_ref_get(x_8, x_346);
-x_348 = lean_ctor_get(x_347, 1);
-lean_inc(x_348);
-lean_dec(x_347);
-x_349 = lean_st_ref_take(x_6, x_348);
-x_350 = lean_ctor_get(x_349, 0);
-lean_inc(x_350);
-x_351 = lean_ctor_get(x_350, 0);
-lean_inc(x_351);
-if (x_227 == 0)
-{
-lean_object* x_352; uint8_t x_353; 
-x_352 = lean_ctor_get(x_349, 1);
-lean_inc(x_352);
-lean_dec(x_349);
-x_353 = !lean_is_exclusive(x_350);
-if (x_353 == 0)
-{
-lean_object* x_354; uint8_t x_355; 
-x_354 = lean_ctor_get(x_350, 0);
-lean_dec(x_354);
-x_355 = !lean_is_exclusive(x_351);
-if (x_355 == 0)
-{
-lean_object* x_356; uint8_t x_357; 
-x_356 = lean_st_ref_set(x_6, x_350, x_352);
-x_357 = !lean_is_exclusive(x_356);
-if (x_357 == 0)
-{
-lean_object* x_358; 
-x_358 = lean_ctor_get(x_356, 0);
-lean_dec(x_358);
-lean_ctor_set_tag(x_356, 1);
-lean_ctor_set(x_356, 0, x_345);
-x_80 = x_356;
-goto block_92;
-}
-else
-{
-lean_object* x_359; lean_object* x_360; 
-x_359 = lean_ctor_get(x_356, 1);
-lean_inc(x_359);
-lean_dec(x_356);
-x_360 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_360, 0, x_345);
-lean_ctor_set(x_360, 1, x_359);
-x_80 = x_360;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; uint8_t x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; 
-x_361 = lean_ctor_get(x_351, 0);
-x_362 = lean_ctor_get(x_351, 1);
-x_363 = lean_ctor_get(x_351, 2);
-x_364 = lean_ctor_get(x_351, 3);
-x_365 = lean_ctor_get(x_351, 4);
-x_366 = lean_ctor_get(x_351, 5);
-x_367 = lean_ctor_get(x_351, 6);
-x_368 = lean_ctor_get(x_351, 7);
-x_369 = lean_ctor_get_uint8(x_351, sizeof(void*)*8);
-lean_inc(x_368);
-lean_inc(x_367);
-lean_inc(x_366);
-lean_inc(x_365);
-lean_inc(x_364);
-lean_inc(x_363);
-lean_inc(x_362);
-lean_inc(x_361);
-lean_dec(x_351);
-x_370 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_370, 0, x_361);
-lean_ctor_set(x_370, 1, x_362);
-lean_ctor_set(x_370, 2, x_363);
-lean_ctor_set(x_370, 3, x_364);
-lean_ctor_set(x_370, 4, x_365);
-lean_ctor_set(x_370, 5, x_366);
-lean_ctor_set(x_370, 6, x_367);
-lean_ctor_set(x_370, 7, x_368);
-lean_ctor_set_uint8(x_370, sizeof(void*)*8, x_369);
-lean_ctor_set(x_350, 0, x_370);
-x_371 = lean_st_ref_set(x_6, x_350, x_352);
-x_372 = lean_ctor_get(x_371, 1);
-lean_inc(x_372);
-if (lean_is_exclusive(x_371)) {
- lean_ctor_release(x_371, 0);
- lean_ctor_release(x_371, 1);
- x_373 = x_371;
-} else {
- lean_dec_ref(x_371);
- x_373 = lean_box(0);
-}
-if (lean_is_scalar(x_373)) {
- x_374 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_374 = x_373;
- lean_ctor_set_tag(x_374, 1);
-}
-lean_ctor_set(x_374, 0, x_345);
-lean_ctor_set(x_374, 1, x_372);
-x_80 = x_374;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; uint8_t x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; 
-x_375 = lean_ctor_get(x_350, 1);
-x_376 = lean_ctor_get(x_350, 2);
-x_377 = lean_ctor_get(x_350, 3);
-lean_inc(x_377);
-lean_inc(x_376);
-lean_inc(x_375);
-lean_dec(x_350);
-x_378 = lean_ctor_get(x_351, 0);
-lean_inc(x_378);
-x_379 = lean_ctor_get(x_351, 1);
-lean_inc(x_379);
-x_380 = lean_ctor_get(x_351, 2);
-lean_inc(x_380);
-x_381 = lean_ctor_get(x_351, 3);
-lean_inc(x_381);
-x_382 = lean_ctor_get(x_351, 4);
-lean_inc(x_382);
-x_383 = lean_ctor_get(x_351, 5);
-lean_inc(x_383);
-x_384 = lean_ctor_get(x_351, 6);
-lean_inc(x_384);
-x_385 = lean_ctor_get(x_351, 7);
-lean_inc(x_385);
-x_386 = lean_ctor_get_uint8(x_351, sizeof(void*)*8);
-if (lean_is_exclusive(x_351)) {
- lean_ctor_release(x_351, 0);
- lean_ctor_release(x_351, 1);
- lean_ctor_release(x_351, 2);
- lean_ctor_release(x_351, 3);
- lean_ctor_release(x_351, 4);
- lean_ctor_release(x_351, 5);
- lean_ctor_release(x_351, 6);
- lean_ctor_release(x_351, 7);
- x_387 = x_351;
-} else {
- lean_dec_ref(x_351);
- x_387 = lean_box(0);
-}
-if (lean_is_scalar(x_387)) {
- x_388 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_388 = x_387;
-}
-lean_ctor_set(x_388, 0, x_378);
-lean_ctor_set(x_388, 1, x_379);
-lean_ctor_set(x_388, 2, x_380);
-lean_ctor_set(x_388, 3, x_381);
-lean_ctor_set(x_388, 4, x_382);
-lean_ctor_set(x_388, 5, x_383);
-lean_ctor_set(x_388, 6, x_384);
-lean_ctor_set(x_388, 7, x_385);
-lean_ctor_set_uint8(x_388, sizeof(void*)*8, x_386);
-x_389 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_389, 0, x_388);
-lean_ctor_set(x_389, 1, x_375);
-lean_ctor_set(x_389, 2, x_376);
-lean_ctor_set(x_389, 3, x_377);
-x_390 = lean_st_ref_set(x_6, x_389, x_352);
-x_391 = lean_ctor_get(x_390, 1);
-lean_inc(x_391);
-if (lean_is_exclusive(x_390)) {
- lean_ctor_release(x_390, 0);
- lean_ctor_release(x_390, 1);
- x_392 = x_390;
-} else {
- lean_dec_ref(x_390);
- x_392 = lean_box(0);
-}
-if (lean_is_scalar(x_392)) {
- x_393 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_393 = x_392;
- lean_ctor_set_tag(x_393, 1);
-}
-lean_ctor_set(x_393, 0, x_345);
-lean_ctor_set(x_393, 1, x_391);
-x_80 = x_393;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_394; uint8_t x_395; 
-x_394 = lean_ctor_get(x_349, 1);
-lean_inc(x_394);
-lean_dec(x_349);
-x_395 = !lean_is_exclusive(x_350);
-if (x_395 == 0)
-{
-lean_object* x_396; uint8_t x_397; 
-x_396 = lean_ctor_get(x_350, 0);
-lean_dec(x_396);
-x_397 = !lean_is_exclusive(x_351);
-if (x_397 == 0)
-{
-uint8_t x_398; lean_object* x_399; uint8_t x_400; 
-x_398 = 1;
-lean_ctor_set_uint8(x_351, sizeof(void*)*8, x_398);
-x_399 = lean_st_ref_set(x_6, x_350, x_394);
-x_400 = !lean_is_exclusive(x_399);
-if (x_400 == 0)
-{
-lean_object* x_401; 
-x_401 = lean_ctor_get(x_399, 0);
-lean_dec(x_401);
-lean_ctor_set_tag(x_399, 1);
-lean_ctor_set(x_399, 0, x_345);
-x_80 = x_399;
-goto block_92;
-}
-else
-{
-lean_object* x_402; lean_object* x_403; 
-x_402 = lean_ctor_get(x_399, 1);
-lean_inc(x_402);
-lean_dec(x_399);
-x_403 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_403, 0, x_345);
-lean_ctor_set(x_403, 1, x_402);
-x_80 = x_403;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; uint8_t x_412; lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; 
-x_404 = lean_ctor_get(x_351, 0);
-x_405 = lean_ctor_get(x_351, 1);
-x_406 = lean_ctor_get(x_351, 2);
-x_407 = lean_ctor_get(x_351, 3);
-x_408 = lean_ctor_get(x_351, 4);
-x_409 = lean_ctor_get(x_351, 5);
-x_410 = lean_ctor_get(x_351, 6);
-x_411 = lean_ctor_get(x_351, 7);
-lean_inc(x_411);
-lean_inc(x_410);
-lean_inc(x_409);
-lean_inc(x_408);
-lean_inc(x_407);
-lean_inc(x_406);
-lean_inc(x_405);
-lean_inc(x_404);
-lean_dec(x_351);
-x_412 = 1;
-x_413 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_413, 0, x_404);
-lean_ctor_set(x_413, 1, x_405);
-lean_ctor_set(x_413, 2, x_406);
-lean_ctor_set(x_413, 3, x_407);
-lean_ctor_set(x_413, 4, x_408);
-lean_ctor_set(x_413, 5, x_409);
-lean_ctor_set(x_413, 6, x_410);
-lean_ctor_set(x_413, 7, x_411);
-lean_ctor_set_uint8(x_413, sizeof(void*)*8, x_412);
-lean_ctor_set(x_350, 0, x_413);
-x_414 = lean_st_ref_set(x_6, x_350, x_394);
-x_415 = lean_ctor_get(x_414, 1);
-lean_inc(x_415);
-if (lean_is_exclusive(x_414)) {
- lean_ctor_release(x_414, 0);
- lean_ctor_release(x_414, 1);
- x_416 = x_414;
-} else {
- lean_dec_ref(x_414);
- x_416 = lean_box(0);
-}
-if (lean_is_scalar(x_416)) {
- x_417 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_417 = x_416;
- lean_ctor_set_tag(x_417, 1);
-}
-lean_ctor_set(x_417, 0, x_345);
-lean_ctor_set(x_417, 1, x_415);
-x_80 = x_417;
-goto block_92;
-}
-}
-else
-{
-lean_object* x_418; lean_object* x_419; lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; uint8_t x_430; lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; 
-x_418 = lean_ctor_get(x_350, 1);
-x_419 = lean_ctor_get(x_350, 2);
-x_420 = lean_ctor_get(x_350, 3);
-lean_inc(x_420);
-lean_inc(x_419);
-lean_inc(x_418);
-lean_dec(x_350);
-x_421 = lean_ctor_get(x_351, 0);
-lean_inc(x_421);
-x_422 = lean_ctor_get(x_351, 1);
-lean_inc(x_422);
-x_423 = lean_ctor_get(x_351, 2);
-lean_inc(x_423);
-x_424 = lean_ctor_get(x_351, 3);
-lean_inc(x_424);
-x_425 = lean_ctor_get(x_351, 4);
-lean_inc(x_425);
-x_426 = lean_ctor_get(x_351, 5);
-lean_inc(x_426);
-x_427 = lean_ctor_get(x_351, 6);
-lean_inc(x_427);
-x_428 = lean_ctor_get(x_351, 7);
-lean_inc(x_428);
-if (lean_is_exclusive(x_351)) {
- lean_ctor_release(x_351, 0);
- lean_ctor_release(x_351, 1);
- lean_ctor_release(x_351, 2);
- lean_ctor_release(x_351, 3);
- lean_ctor_release(x_351, 4);
- lean_ctor_release(x_351, 5);
- lean_ctor_release(x_351, 6);
- lean_ctor_release(x_351, 7);
- x_429 = x_351;
-} else {
- lean_dec_ref(x_351);
- x_429 = lean_box(0);
-}
-x_430 = 1;
-if (lean_is_scalar(x_429)) {
- x_431 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_431 = x_429;
-}
-lean_ctor_set(x_431, 0, x_421);
-lean_ctor_set(x_431, 1, x_422);
-lean_ctor_set(x_431, 2, x_423);
-lean_ctor_set(x_431, 3, x_424);
-lean_ctor_set(x_431, 4, x_425);
-lean_ctor_set(x_431, 5, x_426);
-lean_ctor_set(x_431, 6, x_427);
-lean_ctor_set(x_431, 7, x_428);
-lean_ctor_set_uint8(x_431, sizeof(void*)*8, x_430);
-x_432 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_432, 0, x_431);
-lean_ctor_set(x_432, 1, x_418);
-lean_ctor_set(x_432, 2, x_419);
-lean_ctor_set(x_432, 3, x_420);
-x_433 = lean_st_ref_set(x_6, x_432, x_394);
-x_434 = lean_ctor_get(x_433, 1);
-lean_inc(x_434);
-if (lean_is_exclusive(x_433)) {
- lean_ctor_release(x_433, 0);
- lean_ctor_release(x_433, 1);
- x_435 = x_433;
-} else {
- lean_dec_ref(x_433);
- x_435 = lean_box(0);
-}
-if (lean_is_scalar(x_435)) {
- x_436 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_436 = x_435;
- lean_ctor_set_tag(x_436, 1);
-}
-lean_ctor_set(x_436, 0, x_345);
-lean_ctor_set(x_436, 1, x_434);
-x_80 = x_436;
-goto block_92;
-}
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_713; lean_object* x_714; 
-lean_dec(x_3);
-x_713 = lean_ctor_get(x_130, 1);
-lean_inc(x_713);
-lean_dec(x_130);
+x_235 = lean_unbox(x_195);
+lean_dec(x_195);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_714 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_1, x_2, x_5, x_6, x_7, x_8, x_713);
-x_61 = x_714;
+x_236 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_235, x_201, x_233, x_5, x_6, x_7, x_8, x_234);
+lean_dec(x_233);
+x_53 = x_236;
+goto block_71;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_248; lean_object* x_249; lean_object* x_250; uint8_t x_251; 
+x_248 = lean_ctor_get(x_197, 0);
+x_249 = lean_ctor_get(x_197, 1);
+lean_inc(x_249);
+lean_inc(x_248);
+lean_dec(x_197);
+lean_inc(x_195);
+x_250 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
+lean_closure_set(x_250, 0, x_195);
+x_251 = lean_nat_dec_eq(x_114, x_248);
+lean_dec(x_248);
+lean_dec(x_114);
+if (x_251 == 0)
+{
+lean_object* x_252; 
+lean_dec(x_250);
+lean_dec(x_116);
+lean_dec(x_111);
+lean_dec(x_108);
+lean_dec(x_3);
+x_252 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_252, 0, x_195);
+lean_ctor_set(x_252, 1, x_249);
+x_53 = x_252;
+goto block_71;
+}
+else
+{
+lean_object* x_253; lean_object* x_254; uint8_t x_255; lean_object* x_256; lean_object* x_288; lean_object* x_289; lean_object* x_290; uint8_t x_291; 
+x_253 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_254 = l_Lean_Name_str___override(x_3, x_253);
+x_288 = lean_st_ref_get(x_8, x_249);
+x_289 = lean_ctor_get(x_288, 0);
+lean_inc(x_289);
+x_290 = lean_ctor_get(x_289, 3);
+lean_inc(x_290);
+lean_dec(x_289);
+x_291 = lean_ctor_get_uint8(x_290, sizeof(void*)*1);
+lean_dec(x_290);
+if (x_291 == 0)
+{
+lean_object* x_292; 
+x_292 = lean_ctor_get(x_288, 1);
+lean_inc(x_292);
+lean_dec(x_288);
+x_255 = x_96;
+x_256 = x_292;
+goto block_287;
+}
+else
+{
+lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; uint8_t x_297; 
+x_293 = lean_ctor_get(x_288, 1);
+lean_inc(x_293);
+lean_dec(x_288);
+lean_inc(x_254);
+x_294 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_254, x_5, x_6, x_7, x_8, x_293);
+x_295 = lean_ctor_get(x_294, 0);
+lean_inc(x_295);
+x_296 = lean_ctor_get(x_294, 1);
+lean_inc(x_296);
+lean_dec(x_294);
+x_297 = lean_unbox(x_295);
+lean_dec(x_295);
+x_255 = x_297;
+x_256 = x_296;
+goto block_287;
+}
+block_287:
+{
+if (x_255 == 0)
+{
+lean_object* x_257; uint8_t x_258; lean_object* x_259; 
+lean_dec(x_254);
+lean_dec(x_111);
+lean_dec(x_108);
+x_257 = lean_box(0);
+x_258 = lean_unbox(x_195);
+lean_dec(x_195);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_259 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_258, x_250, x_257, x_5, x_6, x_7, x_8, x_256);
+x_53 = x_259;
+goto block_71;
+}
+else
+{
+lean_object* x_260; lean_object* x_261; uint8_t x_262; 
+x_260 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_260, 0, x_108);
+x_261 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_261, 0, x_111);
+x_262 = lean_unbox(x_195);
+if (x_262 == 0)
+{
+lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; lean_object* x_274; 
+x_263 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
+x_264 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_264, 0, x_263);
+lean_ctor_set(x_264, 1, x_260);
+x_265 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_266 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_266, 0, x_264);
+lean_ctor_set(x_266, 1, x_265);
+x_267 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_267, 0, x_266);
+lean_ctor_set(x_267, 1, x_261);
+x_268 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_269 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_269, 0, x_267);
+lean_ctor_set(x_269, 1, x_268);
+x_270 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_254, x_269, x_5, x_6, x_7, x_8, x_256);
+x_271 = lean_ctor_get(x_270, 0);
+lean_inc(x_271);
+x_272 = lean_ctor_get(x_270, 1);
+lean_inc(x_272);
+lean_dec(x_270);
+x_273 = lean_unbox(x_195);
+lean_dec(x_195);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_274 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_273, x_250, x_271, x_5, x_6, x_7, x_8, x_272);
+lean_dec(x_271);
+x_53 = x_274;
+goto block_71;
+}
+else
+{
+lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; uint8_t x_285; lean_object* x_286; 
+x_275 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
+x_276 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_276, 0, x_275);
+lean_ctor_set(x_276, 1, x_260);
+x_277 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_278 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_278, 0, x_276);
+lean_ctor_set(x_278, 1, x_277);
+x_279 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_279, 0, x_278);
+lean_ctor_set(x_279, 1, x_261);
+x_280 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_281 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_281, 0, x_279);
+lean_ctor_set(x_281, 1, x_280);
+x_282 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_254, x_281, x_5, x_6, x_7, x_8, x_256);
+x_283 = lean_ctor_get(x_282, 0);
+lean_inc(x_283);
+x_284 = lean_ctor_get(x_282, 1);
+lean_inc(x_284);
+lean_dec(x_282);
+x_285 = lean_unbox(x_195);
+lean_dec(x_195);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_286 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_116, x_285, x_250, x_283, x_5, x_6, x_7, x_8, x_284);
+lean_dec(x_283);
+x_53 = x_286;
+goto block_71;
+}
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_298; 
+lean_dec(x_116);
+lean_dec(x_114);
+lean_dec(x_111);
+lean_dec(x_108);
+lean_dec(x_3);
+x_298 = !lean_is_exclusive(x_194);
+if (x_298 == 0)
+{
+x_53 = x_194;
+goto block_71;
+}
+else
+{
+lean_object* x_299; lean_object* x_300; lean_object* x_301; 
+x_299 = lean_ctor_get(x_194, 0);
+x_300 = lean_ctor_get(x_194, 1);
+lean_inc(x_300);
+lean_inc(x_299);
+lean_dec(x_194);
+x_301 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_301, 0, x_299);
+lean_ctor_set(x_301, 1, x_300);
+x_53 = x_301;
+goto block_71;
+}
+}
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_302; lean_object* x_303; 
+lean_dec(x_98);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_302 = lean_ctor_get(x_100, 0);
+lean_inc(x_302);
+x_303 = lean_ctor_get(x_100, 1);
+lean_inc(x_303);
+lean_dec(x_100);
+x_72 = x_302;
+x_73 = x_303;
 goto block_79;
 }
 }
 else
 {
-lean_object* x_715; lean_object* x_716; 
+lean_object* x_304; lean_object* x_305; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_715 = lean_ctor_get(x_130, 0);
-lean_inc(x_715);
-x_716 = lean_ctor_get(x_130, 1);
-lean_inc(x_716);
-lean_dec(x_130);
-x_53 = x_715;
-x_54 = x_716;
-goto block_60;
+x_304 = lean_ctor_get(x_97, 0);
+lean_inc(x_304);
+x_305 = lean_ctor_get(x_97, 1);
+lean_inc(x_305);
+lean_dec(x_97);
+x_72 = x_304;
+x_73 = x_305;
+goto block_79;
 }
 }
 }
 }
 else
 {
-lean_object* x_717; lean_object* x_718; 
-lean_dec(x_111);
+lean_object* x_306; lean_object* x_307; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_717 = lean_ctor_get(x_113, 0);
-lean_inc(x_717);
-x_718 = lean_ctor_get(x_113, 1);
-lean_inc(x_718);
-lean_dec(x_113);
-x_53 = x_717;
-x_54 = x_718;
-goto block_60;
-}
-}
-else
-{
-lean_object* x_719; lean_object* x_720; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_719 = lean_ctor_get(x_110, 0);
-lean_inc(x_719);
-x_720 = lean_ctor_get(x_110, 1);
-lean_inc(x_720);
-lean_dec(x_110);
-x_53 = x_719;
-x_54 = x_720;
-goto block_60;
+x_306 = lean_ctor_get(x_88, 0);
+lean_inc(x_306);
+x_307 = lean_ctor_get(x_88, 1);
+lean_inc(x_307);
+lean_dec(x_88);
+x_72 = x_306;
+x_73 = x_307;
+goto block_79;
 }
 }
 }
 }
 else
 {
-lean_object* x_721; lean_object* x_722; 
+lean_object* x_308; lean_object* x_309; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_721 = lean_ctor_get(x_101, 0);
-lean_inc(x_721);
-x_722 = lean_ctor_get(x_101, 1);
-lean_inc(x_722);
-lean_dec(x_101);
-x_53 = x_721;
-x_54 = x_722;
-goto block_60;
-}
-}
-}
-}
-else
-{
-lean_object* x_723; lean_object* x_724; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_723 = lean_ctor_get(x_93, 0);
-lean_inc(x_723);
-x_724 = lean_ctor_get(x_93, 1);
-lean_inc(x_724);
-lean_dec(x_93);
-x_53 = x_723;
-x_54 = x_724;
-goto block_60;
+x_308 = lean_ctor_get(x_80, 0);
+lean_inc(x_308);
+x_309 = lean_ctor_get(x_80, 1);
+lean_inc(x_309);
+lean_dec(x_80);
+x_72 = x_308;
+x_73 = x_309;
+goto block_79;
 }
 block_52:
 {
@@ -81567,89 +78727,92 @@ lean_ctor_set(x_51, 1, x_49);
 return x_51;
 }
 }
-block_60:
+block_71:
 {
-lean_object* x_55; uint8_t x_56; 
-x_55 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_42, x_30, x_5, x_6, x_7, x_8, x_54);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
+lean_dec(x_53);
+x_56 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_42, x_30, x_5, x_6, x_7, x_8, x_55);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_56 = !lean_is_exclusive(x_55);
-if (x_56 == 0)
+x_57 = !lean_is_exclusive(x_56);
+if (x_57 == 0)
 {
-lean_object* x_57; 
-x_57 = lean_ctor_get(x_55, 0);
-lean_dec(x_57);
-lean_ctor_set_tag(x_55, 1);
-lean_ctor_set(x_55, 0, x_53);
-return x_55;
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_56, 0);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_54);
+lean_ctor_set(x_59, 1, x_58);
+lean_ctor_set(x_56, 0, x_59);
+x_10 = x_56;
+goto block_22;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; 
-x_58 = lean_ctor_get(x_55, 1);
-lean_inc(x_58);
-lean_dec(x_55);
-x_59 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_59, 0, x_53);
-lean_ctor_set(x_59, 1, x_58);
-return x_59;
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_60 = lean_ctor_get(x_56, 0);
+x_61 = lean_ctor_get(x_56, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_56);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_54);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_61);
+x_10 = x_63;
+goto block_22;
+}
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+x_64 = lean_ctor_get(x_53, 0);
+lean_inc(x_64);
+x_65 = lean_ctor_get(x_53, 1);
+lean_inc(x_65);
+lean_dec(x_53);
+x_66 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_42, x_30, x_5, x_6, x_7, x_8, x_65);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_67 = !lean_is_exclusive(x_66);
+if (x_67 == 0)
+{
+lean_object* x_68; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+lean_ctor_set_tag(x_66, 1);
+lean_ctor_set(x_66, 0, x_64);
+x_10 = x_66;
+goto block_22;
+}
+else
+{
+lean_object* x_69; lean_object* x_70; 
+x_69 = lean_ctor_get(x_66, 1);
+lean_inc(x_69);
+lean_dec(x_66);
+x_70 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_70, 0, x_64);
+lean_ctor_set(x_70, 1, x_69);
+x_10 = x_70;
+goto block_22;
+}
 }
 }
 block_79:
 {
-if (lean_obj_tag(x_61) == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; 
-x_62 = lean_ctor_get(x_61, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_61, 1);
-lean_inc(x_63);
-lean_dec(x_61);
-x_64 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_42, x_30, x_5, x_6, x_7, x_8, x_63);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_65 = !lean_is_exclusive(x_64);
-if (x_65 == 0)
-{
-lean_object* x_66; lean_object* x_67; 
-x_66 = lean_ctor_get(x_64, 0);
-x_67 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_67, 0, x_62);
-lean_ctor_set(x_67, 1, x_66);
-lean_ctor_set(x_64, 0, x_67);
-x_10 = x_64;
-goto block_22;
-}
-else
-{
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_68 = lean_ctor_get(x_64, 0);
-x_69 = lean_ctor_get(x_64, 1);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_dec(x_64);
-x_70 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_70, 0, x_62);
-lean_ctor_set(x_70, 1, x_68);
-x_71 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_71, 0, x_70);
-lean_ctor_set(x_71, 1, x_69);
-x_10 = x_71;
-goto block_22;
-}
-}
-else
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_61, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_61, 1);
-lean_inc(x_73);
-lean_dec(x_61);
+lean_object* x_74; uint8_t x_75; 
 x_74 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_42, x_30, x_5, x_6, x_7, x_8, x_73);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -81663,8 +78826,7 @@ x_76 = lean_ctor_get(x_74, 0);
 lean_dec(x_76);
 lean_ctor_set_tag(x_74, 1);
 lean_ctor_set(x_74, 0, x_72);
-x_10 = x_74;
-goto block_22;
+return x_74;
 }
 else
 {
@@ -81675,219 +78837,157 @@ lean_dec(x_74);
 x_78 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_78, 0, x_72);
 lean_ctor_set(x_78, 1, x_77);
-x_10 = x_78;
-goto block_22;
-}
-}
-}
-block_92:
-{
-if (lean_obj_tag(x_80) == 0)
-{
-uint8_t x_81; 
-x_81 = !lean_is_exclusive(x_80);
-if (x_81 == 0)
-{
-lean_object* x_82; lean_object* x_83; 
-x_82 = lean_ctor_get(x_80, 0);
-x_83 = lean_ctor_get(x_82, 0);
-lean_inc(x_83);
-lean_dec(x_82);
-lean_ctor_set(x_80, 0, x_83);
-x_61 = x_80;
-goto block_79;
-}
-else
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_84 = lean_ctor_get(x_80, 0);
-x_85 = lean_ctor_get(x_80, 1);
-lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_80);
-x_86 = lean_ctor_get(x_84, 0);
-lean_inc(x_86);
-lean_dec(x_84);
-x_87 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_87, 1, x_85);
-x_61 = x_87;
-goto block_79;
-}
-}
-else
-{
-uint8_t x_88; 
-x_88 = !lean_is_exclusive(x_80);
-if (x_88 == 0)
-{
-x_61 = x_80;
-goto block_79;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_89 = lean_ctor_get(x_80, 0);
-x_90 = lean_ctor_get(x_80, 1);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_80);
-x_91 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_91, 0, x_89);
-lean_ctor_set(x_91, 1, x_90);
-x_61 = x_91;
-goto block_79;
-}
+return x_78;
 }
 }
 }
 else
 {
-uint8_t x_725; lean_object* x_726; lean_object* x_727; lean_object* x_728; lean_object* x_729; lean_object* x_730; uint8_t x_731; lean_object* x_732; lean_object* x_739; lean_object* x_740; lean_object* x_746; lean_object* x_762; lean_object* x_773; 
-x_725 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
+uint8_t x_310; lean_object* x_311; lean_object* x_312; lean_object* x_313; lean_object* x_314; lean_object* x_315; uint8_t x_316; lean_object* x_317; lean_object* x_324; lean_object* x_340; lean_object* x_341; lean_object* x_347; 
+x_310 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
 lean_dec(x_33);
-x_726 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__3;
-x_727 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_727, 0, x_726);
-lean_ctor_set_uint8(x_727, sizeof(void*)*1, x_725);
-lean_ctor_set(x_32, 3, x_727);
-x_728 = lean_st_ref_set(x_8, x_32, x_34);
-x_729 = lean_ctor_get(x_728, 1);
-lean_inc(x_729);
-lean_dec(x_728);
-x_730 = lean_ctor_get(x_7, 5);
-lean_inc(x_730);
+x_311 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__3;
+x_312 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_312, 0, x_311);
+lean_ctor_set_uint8(x_312, sizeof(void*)*1, x_310);
+lean_ctor_set(x_32, 3, x_312);
+x_313 = lean_st_ref_set(x_8, x_32, x_34);
+x_314 = lean_ctor_get(x_313, 1);
+lean_inc(x_314);
+lean_dec(x_313);
+x_315 = lean_ctor_get(x_7, 5);
+lean_inc(x_315);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_773 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_729);
-if (lean_obj_tag(x_773) == 0)
+x_347 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_314);
+if (lean_obj_tag(x_347) == 0)
 {
-lean_object* x_774; uint8_t x_775; 
-x_774 = lean_ctor_get(x_773, 0);
-lean_inc(x_774);
-x_775 = lean_unbox(x_774);
-lean_dec(x_774);
-switch (x_775) {
+lean_object* x_348; uint8_t x_349; 
+x_348 = lean_ctor_get(x_347, 0);
+lean_inc(x_348);
+x_349 = lean_unbox(x_348);
+lean_dec(x_348);
+switch (x_349) {
 case 0:
 {
-lean_object* x_776; uint8_t x_777; 
+lean_object* x_350; uint8_t x_351; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_776 = lean_ctor_get(x_773, 1);
-lean_inc(x_776);
-lean_dec(x_773);
-x_777 = 0;
-x_731 = x_777;
-x_732 = x_776;
-goto block_738;
+x_350 = lean_ctor_get(x_347, 1);
+lean_inc(x_350);
+lean_dec(x_347);
+x_351 = 0;
+x_316 = x_351;
+x_317 = x_350;
+goto block_323;
 }
 case 1:
 {
-lean_object* x_778; uint8_t x_779; 
+lean_object* x_352; uint8_t x_353; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_778 = lean_ctor_get(x_773, 1);
-lean_inc(x_778);
-lean_dec(x_773);
-x_779 = 1;
-x_731 = x_779;
-x_732 = x_778;
-goto block_738;
+x_352 = lean_ctor_get(x_347, 1);
+lean_inc(x_352);
+lean_dec(x_347);
+x_353 = 1;
+x_316 = x_353;
+x_317 = x_352;
+goto block_323;
 }
 default: 
 {
-lean_object* x_780; lean_object* x_781; 
-x_780 = lean_ctor_get(x_773, 1);
-lean_inc(x_780);
-lean_dec(x_773);
+lean_object* x_354; lean_object* x_355; 
+x_354 = lean_ctor_get(x_347, 1);
+lean_inc(x_354);
+lean_dec(x_347);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_781 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_780);
-if (lean_obj_tag(x_781) == 0)
+x_355 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_354);
+if (lean_obj_tag(x_355) == 0)
 {
-lean_object* x_782; uint8_t x_783; 
-x_782 = lean_ctor_get(x_781, 0);
-lean_inc(x_782);
-x_783 = lean_unbox(x_782);
-lean_dec(x_782);
-switch (x_783) {
+lean_object* x_356; uint8_t x_357; 
+x_356 = lean_ctor_get(x_355, 0);
+lean_inc(x_356);
+x_357 = lean_unbox(x_356);
+lean_dec(x_356);
+switch (x_357) {
 case 0:
 {
-lean_object* x_784; uint8_t x_785; 
+lean_object* x_358; uint8_t x_359; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_784 = lean_ctor_get(x_781, 1);
-lean_inc(x_784);
-lean_dec(x_781);
-x_785 = 0;
-x_731 = x_785;
-x_732 = x_784;
-goto block_738;
+x_358 = lean_ctor_get(x_355, 1);
+lean_inc(x_358);
+lean_dec(x_355);
+x_359 = 0;
+x_316 = x_359;
+x_317 = x_358;
+goto block_323;
 }
 case 1:
 {
-lean_object* x_786; uint8_t x_787; 
+lean_object* x_360; uint8_t x_361; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_786 = lean_ctor_get(x_781, 1);
-lean_inc(x_786);
-lean_dec(x_781);
-x_787 = 1;
-x_731 = x_787;
-x_732 = x_786;
-goto block_738;
+x_360 = lean_ctor_get(x_355, 1);
+lean_inc(x_360);
+lean_dec(x_355);
+x_361 = 1;
+x_316 = x_361;
+x_317 = x_360;
+goto block_323;
 }
 default: 
 {
-lean_object* x_788; uint8_t x_789; lean_object* x_790; 
-x_788 = lean_ctor_get(x_781, 1);
-lean_inc(x_788);
-lean_dec(x_781);
-x_789 = 0;
+lean_object* x_362; uint8_t x_363; lean_object* x_364; 
+x_362 = lean_ctor_get(x_355, 1);
+lean_inc(x_362);
+lean_dec(x_355);
+x_363 = 0;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_1);
-x_790 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_789, x_1, x_5, x_6, x_7, x_8, x_788);
-if (lean_obj_tag(x_790) == 0)
+x_364 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_363, x_1, x_5, x_6, x_7, x_8, x_362);
+if (lean_obj_tag(x_364) == 0)
 {
-lean_object* x_791; lean_object* x_792; lean_object* x_793; 
-x_791 = lean_ctor_get(x_790, 0);
-lean_inc(x_791);
-x_792 = lean_ctor_get(x_790, 1);
-lean_inc(x_792);
-lean_dec(x_790);
+lean_object* x_365; lean_object* x_366; lean_object* x_367; 
+x_365 = lean_ctor_get(x_364, 0);
+lean_inc(x_365);
+x_366 = lean_ctor_get(x_364, 1);
+lean_inc(x_366);
+lean_dec(x_364);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
-x_793 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_789, x_2, x_5, x_6, x_7, x_8, x_792);
-if (lean_obj_tag(x_793) == 0)
+x_367 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_363, x_2, x_5, x_6, x_7, x_8, x_366);
+if (lean_obj_tag(x_367) == 0)
 {
-lean_object* x_794; lean_object* x_795; uint8_t x_796; 
-x_794 = lean_ctor_get(x_793, 0);
-lean_inc(x_794);
-x_795 = lean_ctor_get(x_793, 1);
-lean_inc(x_795);
-lean_dec(x_793);
-x_796 = lean_expr_eqv(x_1, x_791);
-if (x_796 == 0)
+lean_object* x_368; lean_object* x_369; uint8_t x_370; 
+x_368 = lean_ctor_get(x_367, 0);
+lean_inc(x_368);
+x_369 = lean_ctor_get(x_367, 1);
+lean_inc(x_369);
+lean_dec(x_367);
+x_370 = lean_expr_eqv(x_1, x_365);
+if (x_370 == 0)
 {
-lean_object* x_797; 
+lean_object* x_371; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -81895,41 +78995,17 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_797 = lean_is_expr_def_eq(x_791, x_794, x_5, x_6, x_7, x_8, x_795);
-if (lean_obj_tag(x_797) == 0)
-{
-lean_object* x_798; lean_object* x_799; uint8_t x_800; 
-x_798 = lean_ctor_get(x_797, 0);
-lean_inc(x_798);
-x_799 = lean_ctor_get(x_797, 1);
-lean_inc(x_799);
-lean_dec(x_797);
-x_800 = lean_unbox(x_798);
-lean_dec(x_798);
-x_731 = x_800;
-x_732 = x_799;
-goto block_738;
+x_371 = lean_is_expr_def_eq(x_365, x_368, x_5, x_6, x_7, x_8, x_369);
+x_324 = x_371;
+goto block_339;
 }
 else
 {
-lean_object* x_801; lean_object* x_802; 
-x_801 = lean_ctor_get(x_797, 0);
-lean_inc(x_801);
-x_802 = lean_ctor_get(x_797, 1);
-lean_inc(x_802);
-lean_dec(x_797);
-x_739 = x_801;
-x_740 = x_802;
-goto block_745;
-}
-}
-else
+uint8_t x_372; 
+x_372 = lean_expr_eqv(x_2, x_368);
+if (x_372 == 0)
 {
-uint8_t x_803; 
-x_803 = lean_expr_eqv(x_2, x_794);
-if (x_803 == 0)
-{
-lean_object* x_804; 
+lean_object* x_373; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -81937,706 +79013,482 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_804 = lean_is_expr_def_eq(x_791, x_794, x_5, x_6, x_7, x_8, x_795);
-if (lean_obj_tag(x_804) == 0)
-{
-lean_object* x_805; lean_object* x_806; uint8_t x_807; 
-x_805 = lean_ctor_get(x_804, 0);
-lean_inc(x_805);
-x_806 = lean_ctor_get(x_804, 1);
-lean_inc(x_806);
-lean_dec(x_804);
-x_807 = lean_unbox(x_805);
-lean_dec(x_805);
-x_731 = x_807;
-x_732 = x_806;
-goto block_738;
+x_373 = lean_is_expr_def_eq(x_365, x_368, x_5, x_6, x_7, x_8, x_369);
+x_324 = x_373;
+goto block_339;
 }
 else
 {
-lean_object* x_808; lean_object* x_809; 
-x_808 = lean_ctor_get(x_804, 0);
-lean_inc(x_808);
-x_809 = lean_ctor_get(x_804, 1);
-lean_inc(x_809);
-lean_dec(x_804);
-x_739 = x_808;
-x_740 = x_809;
-goto block_745;
-}
-}
-else
-{
-lean_object* x_810; 
-lean_dec(x_794);
-lean_dec(x_791);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_810 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache(x_5, x_6, x_7, x_8, x_795);
-if (lean_obj_tag(x_810) == 0)
-{
-lean_object* x_811; uint8_t x_812; 
-x_811 = lean_ctor_get(x_810, 0);
-lean_inc(x_811);
-x_812 = lean_unbox(x_811);
-lean_dec(x_811);
-if (x_812 == 0)
-{
-lean_object* x_813; lean_object* x_814; lean_object* x_815; lean_object* x_816; lean_object* x_817; lean_object* x_818; lean_object* x_819; lean_object* x_820; lean_object* x_821; lean_object* x_822; lean_object* x_823; lean_object* x_824; lean_object* x_825; uint8_t x_826; 
-x_813 = lean_ctor_get(x_810, 1);
-lean_inc(x_813);
-lean_dec(x_810);
-x_814 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_813);
-x_815 = lean_ctor_get(x_814, 0);
-lean_inc(x_815);
-x_816 = lean_ctor_get(x_814, 1);
-lean_inc(x_816);
-lean_dec(x_814);
-x_817 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_816);
-x_818 = lean_ctor_get(x_817, 0);
-lean_inc(x_818);
-x_819 = lean_ctor_get(x_817, 1);
-lean_inc(x_819);
-lean_dec(x_817);
-x_820 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_819);
-x_821 = lean_ctor_get(x_820, 0);
-lean_inc(x_821);
-x_822 = lean_ctor_get(x_820, 1);
-lean_inc(x_822);
-lean_dec(x_820);
-lean_inc(x_818);
-lean_inc(x_815);
-x_823 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_815, x_818);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_823);
-x_824 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_823, x_5, x_6, x_7, x_8, x_822);
-x_825 = lean_ctor_get(x_824, 0);
-lean_inc(x_825);
-x_826 = lean_unbox(x_825);
-lean_dec(x_825);
-switch (x_826) {
+lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; uint8_t x_386; 
+lean_dec(x_368);
+lean_dec(x_365);
+x_374 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_369);
+x_375 = lean_ctor_get(x_374, 0);
+lean_inc(x_375);
+x_376 = lean_ctor_get(x_374, 1);
+lean_inc(x_376);
+lean_dec(x_374);
+x_377 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_376);
+x_378 = lean_ctor_get(x_377, 0);
+lean_inc(x_378);
+x_379 = lean_ctor_get(x_377, 1);
+lean_inc(x_379);
+lean_dec(x_377);
+x_380 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_379);
+x_381 = lean_ctor_get(x_380, 0);
+lean_inc(x_381);
+x_382 = lean_ctor_get(x_380, 1);
+lean_inc(x_382);
+lean_dec(x_380);
+lean_inc(x_378);
+lean_inc(x_375);
+x_383 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_375, x_378);
+lean_inc(x_383);
+x_384 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_383, x_5, x_6, x_7, x_8, x_382);
+x_385 = lean_ctor_get(x_384, 0);
+lean_inc(x_385);
+x_386 = lean_unbox(x_385);
+lean_dec(x_385);
+switch (x_386) {
 case 0:
 {
-lean_object* x_827; lean_object* x_828; lean_object* x_829; lean_object* x_830; uint8_t x_831; lean_object* x_832; lean_object* x_850; lean_object* x_851; lean_object* x_852; uint8_t x_853; 
-lean_dec(x_823);
-lean_dec(x_821);
-x_827 = lean_ctor_get(x_824, 1);
-lean_inc(x_827);
-if (lean_is_exclusive(x_824)) {
- lean_ctor_release(x_824, 0);
- lean_ctor_release(x_824, 1);
- x_828 = x_824;
+lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; uint8_t x_391; lean_object* x_392; lean_object* x_410; lean_object* x_411; lean_object* x_412; uint8_t x_413; 
+lean_dec(x_383);
+lean_dec(x_381);
+x_387 = lean_ctor_get(x_384, 1);
+lean_inc(x_387);
+if (lean_is_exclusive(x_384)) {
+ lean_ctor_release(x_384, 0);
+ lean_ctor_release(x_384, 1);
+ x_388 = x_384;
 } else {
- lean_dec_ref(x_824);
- x_828 = lean_box(0);
+ lean_dec_ref(x_384);
+ x_388 = lean_box(0);
 }
-x_829 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_830 = l_Lean_Name_str___override(x_3, x_829);
-x_850 = lean_st_ref_get(x_8, x_827);
-x_851 = lean_ctor_get(x_850, 0);
-lean_inc(x_851);
-x_852 = lean_ctor_get(x_851, 3);
-lean_inc(x_852);
-lean_dec(x_851);
-x_853 = lean_ctor_get_uint8(x_852, sizeof(void*)*1);
-lean_dec(x_852);
-if (x_853 == 0)
+x_389 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_390 = l_Lean_Name_str___override(x_3, x_389);
+x_410 = lean_st_ref_get(x_8, x_387);
+x_411 = lean_ctor_get(x_410, 0);
+lean_inc(x_411);
+x_412 = lean_ctor_get(x_411, 3);
+lean_inc(x_412);
+lean_dec(x_411);
+x_413 = lean_ctor_get_uint8(x_412, sizeof(void*)*1);
+lean_dec(x_412);
+if (x_413 == 0)
 {
-lean_object* x_854; 
-x_854 = lean_ctor_get(x_850, 1);
-lean_inc(x_854);
-lean_dec(x_850);
-x_831 = x_789;
-x_832 = x_854;
-goto block_849;
+lean_object* x_414; 
+x_414 = lean_ctor_get(x_410, 1);
+lean_inc(x_414);
+lean_dec(x_410);
+x_391 = x_363;
+x_392 = x_414;
+goto block_409;
 }
 else
 {
-lean_object* x_855; lean_object* x_856; lean_object* x_857; lean_object* x_858; uint8_t x_859; 
-x_855 = lean_ctor_get(x_850, 1);
-lean_inc(x_855);
-lean_dec(x_850);
-lean_inc(x_830);
-x_856 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_830, x_5, x_6, x_7, x_8, x_855);
-x_857 = lean_ctor_get(x_856, 0);
-lean_inc(x_857);
-x_858 = lean_ctor_get(x_856, 1);
-lean_inc(x_858);
-lean_dec(x_856);
-x_859 = lean_unbox(x_857);
-lean_dec(x_857);
-x_831 = x_859;
-x_832 = x_858;
-goto block_849;
+lean_object* x_415; lean_object* x_416; lean_object* x_417; lean_object* x_418; uint8_t x_419; 
+x_415 = lean_ctor_get(x_410, 1);
+lean_inc(x_415);
+lean_dec(x_410);
+lean_inc(x_390);
+x_416 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_390, x_5, x_6, x_7, x_8, x_415);
+x_417 = lean_ctor_get(x_416, 0);
+lean_inc(x_417);
+x_418 = lean_ctor_get(x_416, 1);
+lean_inc(x_418);
+lean_dec(x_416);
+x_419 = lean_unbox(x_417);
+lean_dec(x_417);
+x_391 = x_419;
+x_392 = x_418;
+goto block_409;
 }
-block_849:
+block_409:
 {
-if (x_831 == 0)
+if (x_391 == 0)
 {
-lean_object* x_833; lean_object* x_834; 
-lean_dec(x_830);
-lean_dec(x_818);
-lean_dec(x_815);
-x_833 = lean_box(x_789);
-if (lean_is_scalar(x_828)) {
- x_834 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_393; lean_object* x_394; 
+lean_dec(x_390);
+lean_dec(x_378);
+lean_dec(x_375);
+x_393 = lean_box(x_363);
+if (lean_is_scalar(x_388)) {
+ x_394 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_834 = x_828;
+ x_394 = x_388;
 }
-lean_ctor_set(x_834, 0, x_833);
-lean_ctor_set(x_834, 1, x_832);
-x_746 = x_834;
-goto block_761;
+lean_ctor_set(x_394, 0, x_393);
+lean_ctor_set(x_394, 1, x_392);
+x_324 = x_394;
+goto block_339;
 }
 else
 {
-lean_object* x_835; lean_object* x_836; lean_object* x_837; lean_object* x_838; lean_object* x_839; lean_object* x_840; lean_object* x_841; lean_object* x_842; lean_object* x_843; lean_object* x_844; lean_object* x_845; lean_object* x_846; lean_object* x_847; lean_object* x_848; 
-lean_dec(x_828);
-x_835 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_835, 0, x_815);
-x_836 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
-x_837 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_837, 0, x_836);
-lean_ctor_set(x_837, 1, x_835);
-x_838 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_839 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_839, 0, x_837);
-lean_ctor_set(x_839, 1, x_838);
-x_840 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_840, 0, x_818);
-x_841 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_841, 0, x_839);
-lean_ctor_set(x_841, 1, x_840);
-x_842 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_843 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_843, 0, x_841);
-lean_ctor_set(x_843, 1, x_842);
-x_844 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_830, x_843, x_5, x_6, x_7, x_8, x_832);
-x_845 = lean_ctor_get(x_844, 1);
-lean_inc(x_845);
-if (lean_is_exclusive(x_844)) {
- lean_ctor_release(x_844, 0);
- lean_ctor_release(x_844, 1);
- x_846 = x_844;
+lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; lean_object* x_402; lean_object* x_403; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; 
+lean_dec(x_388);
+x_395 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_395, 0, x_375);
+x_396 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
+x_397 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_397, 0, x_396);
+lean_ctor_set(x_397, 1, x_395);
+x_398 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_399 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_399, 0, x_397);
+lean_ctor_set(x_399, 1, x_398);
+x_400 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_400, 0, x_378);
+x_401 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_401, 0, x_399);
+lean_ctor_set(x_401, 1, x_400);
+x_402 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_403 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_403, 0, x_401);
+lean_ctor_set(x_403, 1, x_402);
+x_404 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_390, x_403, x_5, x_6, x_7, x_8, x_392);
+x_405 = lean_ctor_get(x_404, 1);
+lean_inc(x_405);
+if (lean_is_exclusive(x_404)) {
+ lean_ctor_release(x_404, 0);
+ lean_ctor_release(x_404, 1);
+ x_406 = x_404;
 } else {
- lean_dec_ref(x_844);
- x_846 = lean_box(0);
+ lean_dec_ref(x_404);
+ x_406 = lean_box(0);
 }
-x_847 = lean_box(x_789);
-if (lean_is_scalar(x_846)) {
- x_848 = lean_alloc_ctor(0, 2, 0);
+x_407 = lean_box(x_363);
+if (lean_is_scalar(x_406)) {
+ x_408 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_848 = x_846;
+ x_408 = x_406;
 }
-lean_ctor_set(x_848, 0, x_847);
-lean_ctor_set(x_848, 1, x_845);
-x_746 = x_848;
-goto block_761;
+lean_ctor_set(x_408, 0, x_407);
+lean_ctor_set(x_408, 1, x_405);
+x_324 = x_408;
+goto block_339;
 }
 }
 }
 case 1:
 {
-lean_object* x_860; lean_object* x_861; lean_object* x_862; lean_object* x_863; uint8_t x_864; lean_object* x_865; lean_object* x_885; lean_object* x_886; lean_object* x_887; uint8_t x_888; 
-lean_dec(x_823);
-lean_dec(x_821);
-x_860 = lean_ctor_get(x_824, 1);
-lean_inc(x_860);
-if (lean_is_exclusive(x_824)) {
- lean_ctor_release(x_824, 0);
- lean_ctor_release(x_824, 1);
- x_861 = x_824;
+lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; uint8_t x_424; lean_object* x_425; lean_object* x_445; lean_object* x_446; lean_object* x_447; uint8_t x_448; 
+lean_dec(x_383);
+lean_dec(x_381);
+x_420 = lean_ctor_get(x_384, 1);
+lean_inc(x_420);
+if (lean_is_exclusive(x_384)) {
+ lean_ctor_release(x_384, 0);
+ lean_ctor_release(x_384, 1);
+ x_421 = x_384;
 } else {
- lean_dec_ref(x_824);
- x_861 = lean_box(0);
+ lean_dec_ref(x_384);
+ x_421 = lean_box(0);
 }
-x_862 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_863 = l_Lean_Name_str___override(x_3, x_862);
-x_885 = lean_st_ref_get(x_8, x_860);
-x_886 = lean_ctor_get(x_885, 0);
-lean_inc(x_886);
-x_887 = lean_ctor_get(x_886, 3);
-lean_inc(x_887);
-lean_dec(x_886);
-x_888 = lean_ctor_get_uint8(x_887, sizeof(void*)*1);
-lean_dec(x_887);
-if (x_888 == 0)
+x_422 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_423 = l_Lean_Name_str___override(x_3, x_422);
+x_445 = lean_st_ref_get(x_8, x_420);
+x_446 = lean_ctor_get(x_445, 0);
+lean_inc(x_446);
+x_447 = lean_ctor_get(x_446, 3);
+lean_inc(x_447);
+lean_dec(x_446);
+x_448 = lean_ctor_get_uint8(x_447, sizeof(void*)*1);
+lean_dec(x_447);
+if (x_448 == 0)
 {
-lean_object* x_889; 
-x_889 = lean_ctor_get(x_885, 1);
-lean_inc(x_889);
-lean_dec(x_885);
-x_864 = x_789;
-x_865 = x_889;
-goto block_884;
+lean_object* x_449; 
+x_449 = lean_ctor_get(x_445, 1);
+lean_inc(x_449);
+lean_dec(x_445);
+x_424 = x_363;
+x_425 = x_449;
+goto block_444;
 }
 else
 {
-lean_object* x_890; lean_object* x_891; lean_object* x_892; lean_object* x_893; uint8_t x_894; 
-x_890 = lean_ctor_get(x_885, 1);
-lean_inc(x_890);
-lean_dec(x_885);
-lean_inc(x_863);
-x_891 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_863, x_5, x_6, x_7, x_8, x_890);
-x_892 = lean_ctor_get(x_891, 0);
-lean_inc(x_892);
-x_893 = lean_ctor_get(x_891, 1);
-lean_inc(x_893);
-lean_dec(x_891);
-x_894 = lean_unbox(x_892);
-lean_dec(x_892);
-x_864 = x_894;
-x_865 = x_893;
-goto block_884;
+lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; uint8_t x_454; 
+x_450 = lean_ctor_get(x_445, 1);
+lean_inc(x_450);
+lean_dec(x_445);
+lean_inc(x_423);
+x_451 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_423, x_5, x_6, x_7, x_8, x_450);
+x_452 = lean_ctor_get(x_451, 0);
+lean_inc(x_452);
+x_453 = lean_ctor_get(x_451, 1);
+lean_inc(x_453);
+lean_dec(x_451);
+x_454 = lean_unbox(x_452);
+lean_dec(x_452);
+x_424 = x_454;
+x_425 = x_453;
+goto block_444;
 }
-block_884:
+block_444:
 {
-if (x_864 == 0)
+if (x_424 == 0)
 {
-uint8_t x_866; lean_object* x_867; lean_object* x_868; 
-lean_dec(x_863);
-lean_dec(x_818);
-lean_dec(x_815);
-x_866 = 1;
-x_867 = lean_box(x_866);
-if (lean_is_scalar(x_861)) {
- x_868 = lean_alloc_ctor(0, 2, 0);
+uint8_t x_426; lean_object* x_427; lean_object* x_428; 
+lean_dec(x_423);
+lean_dec(x_378);
+lean_dec(x_375);
+x_426 = 1;
+x_427 = lean_box(x_426);
+if (lean_is_scalar(x_421)) {
+ x_428 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_868 = x_861;
+ x_428 = x_421;
 }
-lean_ctor_set(x_868, 0, x_867);
-lean_ctor_set(x_868, 1, x_865);
-x_746 = x_868;
-goto block_761;
+lean_ctor_set(x_428, 0, x_427);
+lean_ctor_set(x_428, 1, x_425);
+x_324 = x_428;
+goto block_339;
 }
 else
 {
-lean_object* x_869; lean_object* x_870; lean_object* x_871; lean_object* x_872; lean_object* x_873; lean_object* x_874; lean_object* x_875; lean_object* x_876; lean_object* x_877; lean_object* x_878; lean_object* x_879; lean_object* x_880; uint8_t x_881; lean_object* x_882; lean_object* x_883; 
-lean_dec(x_861);
-x_869 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_869, 0, x_815);
-x_870 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
-x_871 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_871, 0, x_870);
-lean_ctor_set(x_871, 1, x_869);
-x_872 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_873 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_873, 0, x_871);
-lean_ctor_set(x_873, 1, x_872);
-x_874 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_874, 0, x_818);
-x_875 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_875, 0, x_873);
-lean_ctor_set(x_875, 1, x_874);
-x_876 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_877 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_877, 0, x_875);
-lean_ctor_set(x_877, 1, x_876);
-x_878 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_863, x_877, x_5, x_6, x_7, x_8, x_865);
-x_879 = lean_ctor_get(x_878, 1);
-lean_inc(x_879);
-if (lean_is_exclusive(x_878)) {
- lean_ctor_release(x_878, 0);
- lean_ctor_release(x_878, 1);
- x_880 = x_878;
+lean_object* x_429; lean_object* x_430; lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; lean_object* x_439; lean_object* x_440; uint8_t x_441; lean_object* x_442; lean_object* x_443; 
+lean_dec(x_421);
+x_429 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_429, 0, x_375);
+x_430 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
+x_431 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_431, 0, x_430);
+lean_ctor_set(x_431, 1, x_429);
+x_432 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_433 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_433, 0, x_431);
+lean_ctor_set(x_433, 1, x_432);
+x_434 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_434, 0, x_378);
+x_435 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_435, 0, x_433);
+lean_ctor_set(x_435, 1, x_434);
+x_436 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_437 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_437, 0, x_435);
+lean_ctor_set(x_437, 1, x_436);
+x_438 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_423, x_437, x_5, x_6, x_7, x_8, x_425);
+x_439 = lean_ctor_get(x_438, 1);
+lean_inc(x_439);
+if (lean_is_exclusive(x_438)) {
+ lean_ctor_release(x_438, 0);
+ lean_ctor_release(x_438, 1);
+ x_440 = x_438;
 } else {
- lean_dec_ref(x_878);
- x_880 = lean_box(0);
+ lean_dec_ref(x_438);
+ x_440 = lean_box(0);
 }
-x_881 = 1;
-x_882 = lean_box(x_881);
-if (lean_is_scalar(x_880)) {
- x_883 = lean_alloc_ctor(0, 2, 0);
+x_441 = 1;
+x_442 = lean_box(x_441);
+if (lean_is_scalar(x_440)) {
+ x_443 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_883 = x_880;
+ x_443 = x_440;
 }
-lean_ctor_set(x_883, 0, x_882);
-lean_ctor_set(x_883, 1, x_879);
-x_746 = x_883;
-goto block_761;
+lean_ctor_set(x_443, 0, x_442);
+lean_ctor_set(x_443, 1, x_439);
+x_324 = x_443;
+goto block_339;
 }
 }
 }
 default: 
 {
-lean_object* x_895; lean_object* x_896; lean_object* x_897; lean_object* x_898; lean_object* x_899; lean_object* x_900; lean_object* x_901; uint8_t x_902; uint8_t x_903; lean_object* x_904; lean_object* x_959; lean_object* x_960; lean_object* x_1009; lean_object* x_1010; lean_object* x_1011; lean_object* x_1012; lean_object* x_1013; lean_object* x_1014; lean_object* x_1015; lean_object* x_1016; lean_object* x_1017; lean_object* x_1018; lean_object* x_1019; lean_object* x_1020; lean_object* x_1021; lean_object* x_1022; lean_object* x_1023; lean_object* x_1024; lean_object* x_1025; lean_object* x_1026; lean_object* x_1027; lean_object* x_1028; lean_object* x_1029; lean_object* x_1030; lean_object* x_1031; lean_object* x_1032; 
-x_895 = lean_ctor_get(x_824, 1);
-lean_inc(x_895);
-lean_dec(x_824);
-x_896 = lean_st_ref_get(x_8, x_895);
-x_897 = lean_ctor_get(x_896, 1);
-lean_inc(x_897);
-lean_dec(x_896);
-x_898 = lean_st_ref_get(x_6, x_897);
-x_899 = lean_ctor_get(x_898, 0);
-lean_inc(x_899);
-x_900 = lean_ctor_get(x_898, 1);
-lean_inc(x_900);
-lean_dec(x_898);
-x_901 = lean_ctor_get(x_899, 0);
-lean_inc(x_901);
-lean_dec(x_899);
-x_902 = lean_ctor_get_uint8(x_901, sizeof(void*)*8);
-lean_dec(x_901);
-x_1009 = lean_st_ref_get(x_8, x_900);
-x_1010 = lean_ctor_get(x_1009, 1);
-lean_inc(x_1010);
-lean_dec(x_1009);
-x_1011 = lean_st_ref_take(x_6, x_1010);
-x_1012 = lean_ctor_get(x_1011, 0);
-lean_inc(x_1012);
-x_1013 = lean_ctor_get(x_1012, 0);
-lean_inc(x_1013);
-x_1014 = lean_ctor_get(x_1011, 1);
-lean_inc(x_1014);
-lean_dec(x_1011);
-x_1015 = lean_ctor_get(x_1012, 1);
-lean_inc(x_1015);
-x_1016 = lean_ctor_get(x_1012, 2);
-lean_inc(x_1016);
-x_1017 = lean_ctor_get(x_1012, 3);
-lean_inc(x_1017);
-if (lean_is_exclusive(x_1012)) {
- lean_ctor_release(x_1012, 0);
- lean_ctor_release(x_1012, 1);
- lean_ctor_release(x_1012, 2);
- lean_ctor_release(x_1012, 3);
- x_1018 = x_1012;
-} else {
- lean_dec_ref(x_1012);
- x_1018 = lean_box(0);
-}
-x_1019 = lean_ctor_get(x_1013, 0);
-lean_inc(x_1019);
-x_1020 = lean_ctor_get(x_1013, 1);
-lean_inc(x_1020);
-x_1021 = lean_ctor_get(x_1013, 2);
-lean_inc(x_1021);
-x_1022 = lean_ctor_get(x_1013, 3);
-lean_inc(x_1022);
-x_1023 = lean_ctor_get(x_1013, 4);
-lean_inc(x_1023);
-x_1024 = lean_ctor_get(x_1013, 5);
-lean_inc(x_1024);
-x_1025 = lean_ctor_get(x_1013, 6);
-lean_inc(x_1025);
-x_1026 = lean_ctor_get(x_1013, 7);
-lean_inc(x_1026);
-if (lean_is_exclusive(x_1013)) {
- lean_ctor_release(x_1013, 0);
- lean_ctor_release(x_1013, 1);
- lean_ctor_release(x_1013, 2);
- lean_ctor_release(x_1013, 3);
- lean_ctor_release(x_1013, 4);
- lean_ctor_release(x_1013, 5);
- lean_ctor_release(x_1013, 6);
- lean_ctor_release(x_1013, 7);
- x_1027 = x_1013;
-} else {
- lean_dec_ref(x_1013);
- x_1027 = lean_box(0);
-}
-if (lean_is_scalar(x_1027)) {
- x_1028 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1028 = x_1027;
-}
-lean_ctor_set(x_1028, 0, x_1019);
-lean_ctor_set(x_1028, 1, x_1020);
-lean_ctor_set(x_1028, 2, x_1021);
-lean_ctor_set(x_1028, 3, x_1022);
-lean_ctor_set(x_1028, 4, x_1023);
-lean_ctor_set(x_1028, 5, x_1024);
-lean_ctor_set(x_1028, 6, x_1025);
-lean_ctor_set(x_1028, 7, x_1026);
-lean_ctor_set_uint8(x_1028, sizeof(void*)*8, x_789);
-if (lean_is_scalar(x_1018)) {
- x_1029 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1029 = x_1018;
-}
-lean_ctor_set(x_1029, 0, x_1028);
-lean_ctor_set(x_1029, 1, x_1015);
-lean_ctor_set(x_1029, 2, x_1016);
-lean_ctor_set(x_1029, 3, x_1017);
-x_1030 = lean_st_ref_set(x_6, x_1029, x_1014);
-x_1031 = lean_ctor_get(x_1030, 1);
-lean_inc(x_1031);
-lean_dec(x_1030);
+lean_object* x_455; lean_object* x_456; 
+x_455 = lean_ctor_get(x_384, 1);
+lean_inc(x_455);
+lean_dec(x_384);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_818);
-lean_inc(x_815);
-x_1032 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_815, x_818, x_5, x_6, x_7, x_8, x_1031);
-if (lean_obj_tag(x_1032) == 0)
+lean_inc(x_378);
+lean_inc(x_375);
+x_456 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_375, x_378, x_5, x_6, x_7, x_8, x_455);
+if (lean_obj_tag(x_456) == 0)
 {
-lean_object* x_1033; lean_object* x_1034; lean_object* x_1035; lean_object* x_1036; lean_object* x_1037; lean_object* x_1038; lean_object* x_1039; lean_object* x_1040; lean_object* x_1041; lean_object* x_1042; lean_object* x_1043; lean_object* x_1044; uint8_t x_1045; 
-x_1033 = lean_ctor_get(x_1032, 0);
-lean_inc(x_1033);
-x_1034 = lean_ctor_get(x_1032, 1);
-lean_inc(x_1034);
-lean_dec(x_1032);
-x_1035 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_1034);
-x_1036 = lean_ctor_get(x_1035, 0);
-lean_inc(x_1036);
-x_1037 = lean_ctor_get(x_1035, 1);
-lean_inc(x_1037);
-lean_dec(x_1035);
-x_1038 = lean_st_ref_get(x_8, x_1037);
-x_1039 = lean_ctor_get(x_1038, 1);
-lean_inc(x_1039);
-lean_dec(x_1038);
-x_1040 = lean_st_ref_get(x_6, x_1039);
-x_1041 = lean_ctor_get(x_1040, 0);
-lean_inc(x_1041);
-x_1042 = lean_ctor_get(x_1040, 1);
-lean_inc(x_1042);
-lean_dec(x_1040);
-x_1043 = lean_ctor_get(x_1041, 0);
-lean_inc(x_1043);
-lean_dec(x_1041);
-lean_inc(x_1033);
-x_1044 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
-lean_closure_set(x_1044, 0, x_1033);
-x_1045 = lean_nat_dec_eq(x_821, x_1036);
-lean_dec(x_1036);
-lean_dec(x_821);
-if (x_1045 == 0)
+lean_object* x_457; lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; lean_object* x_463; uint8_t x_464; 
+x_457 = lean_ctor_get(x_456, 0);
+lean_inc(x_457);
+x_458 = lean_ctor_get(x_456, 1);
+lean_inc(x_458);
+lean_dec(x_456);
+x_459 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_458);
+x_460 = lean_ctor_get(x_459, 0);
+lean_inc(x_460);
+x_461 = lean_ctor_get(x_459, 1);
+lean_inc(x_461);
+if (lean_is_exclusive(x_459)) {
+ lean_ctor_release(x_459, 0);
+ lean_ctor_release(x_459, 1);
+ x_462 = x_459;
+} else {
+ lean_dec_ref(x_459);
+ x_462 = lean_box(0);
+}
+lean_inc(x_457);
+x_463 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
+lean_closure_set(x_463, 0, x_457);
+x_464 = lean_nat_dec_eq(x_381, x_460);
+lean_dec(x_460);
+lean_dec(x_381);
+if (x_464 == 0)
 {
-uint8_t x_1046; 
-lean_dec(x_1044);
-lean_dec(x_1043);
-lean_dec(x_823);
-lean_dec(x_818);
-lean_dec(x_815);
+lean_object* x_465; 
+lean_dec(x_463);
+lean_dec(x_383);
+lean_dec(x_378);
+lean_dec(x_375);
 lean_dec(x_3);
-x_1046 = lean_unbox(x_1033);
-lean_dec(x_1033);
-x_903 = x_1046;
-x_904 = x_1042;
-goto block_958;
+if (lean_is_scalar(x_462)) {
+ x_465 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_465 = x_462;
+}
+lean_ctor_set(x_465, 0, x_457);
+lean_ctor_set(x_465, 1, x_461);
+x_324 = x_465;
+goto block_339;
 }
 else
 {
-uint8_t x_1047; 
-x_1047 = lean_ctor_get_uint8(x_1043, sizeof(void*)*8);
-lean_dec(x_1043);
-if (x_1047 == 0)
+lean_object* x_466; lean_object* x_467; uint8_t x_468; lean_object* x_469; lean_object* x_501; lean_object* x_502; lean_object* x_503; uint8_t x_504; 
+lean_dec(x_462);
+x_466 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_467 = l_Lean_Name_str___override(x_3, x_466);
+x_501 = lean_st_ref_get(x_8, x_461);
+x_502 = lean_ctor_get(x_501, 0);
+lean_inc(x_502);
+x_503 = lean_ctor_get(x_502, 3);
+lean_inc(x_503);
+lean_dec(x_502);
+x_504 = lean_ctor_get_uint8(x_503, sizeof(void*)*1);
+lean_dec(x_503);
+if (x_504 == 0)
 {
-lean_object* x_1048; lean_object* x_1049; uint8_t x_1050; lean_object* x_1051; lean_object* x_1098; lean_object* x_1099; lean_object* x_1100; uint8_t x_1101; 
-x_1048 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_1049 = l_Lean_Name_str___override(x_3, x_1048);
-x_1098 = lean_st_ref_get(x_8, x_1042);
-x_1099 = lean_ctor_get(x_1098, 0);
-lean_inc(x_1099);
-x_1100 = lean_ctor_get(x_1099, 3);
-lean_inc(x_1100);
-lean_dec(x_1099);
-x_1101 = lean_ctor_get_uint8(x_1100, sizeof(void*)*1);
-lean_dec(x_1100);
-if (x_1101 == 0)
-{
-lean_object* x_1102; 
-x_1102 = lean_ctor_get(x_1098, 1);
-lean_inc(x_1102);
-lean_dec(x_1098);
-x_1050 = x_789;
-x_1051 = x_1102;
-goto block_1097;
+lean_object* x_505; 
+x_505 = lean_ctor_get(x_501, 1);
+lean_inc(x_505);
+lean_dec(x_501);
+x_468 = x_363;
+x_469 = x_505;
+goto block_500;
 }
 else
 {
-lean_object* x_1103; lean_object* x_1104; lean_object* x_1105; lean_object* x_1106; uint8_t x_1107; 
-x_1103 = lean_ctor_get(x_1098, 1);
-lean_inc(x_1103);
-lean_dec(x_1098);
-lean_inc(x_1049);
-x_1104 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_1049, x_5, x_6, x_7, x_8, x_1103);
-x_1105 = lean_ctor_get(x_1104, 0);
-lean_inc(x_1105);
-x_1106 = lean_ctor_get(x_1104, 1);
-lean_inc(x_1106);
-lean_dec(x_1104);
-x_1107 = lean_unbox(x_1105);
-lean_dec(x_1105);
-x_1050 = x_1107;
-x_1051 = x_1106;
-goto block_1097;
+lean_object* x_506; lean_object* x_507; lean_object* x_508; lean_object* x_509; uint8_t x_510; 
+x_506 = lean_ctor_get(x_501, 1);
+lean_inc(x_506);
+lean_dec(x_501);
+lean_inc(x_467);
+x_507 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_467, x_5, x_6, x_7, x_8, x_506);
+x_508 = lean_ctor_get(x_507, 0);
+lean_inc(x_508);
+x_509 = lean_ctor_get(x_507, 1);
+lean_inc(x_509);
+lean_dec(x_507);
+x_510 = lean_unbox(x_508);
+lean_dec(x_508);
+x_468 = x_510;
+x_469 = x_509;
+goto block_500;
 }
-block_1097:
+block_500:
 {
-if (x_1050 == 0)
+if (x_468 == 0)
 {
-lean_object* x_1052; uint8_t x_1053; lean_object* x_1054; 
-lean_dec(x_1049);
-lean_dec(x_818);
-lean_dec(x_815);
-x_1052 = lean_box(0);
-x_1053 = lean_unbox(x_1033);
-lean_dec(x_1033);
+lean_object* x_470; uint8_t x_471; lean_object* x_472; 
+lean_dec(x_467);
+lean_dec(x_378);
+lean_dec(x_375);
+x_470 = lean_box(0);
+x_471 = lean_unbox(x_457);
+lean_dec(x_457);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1054 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_823, x_1053, x_1044, x_1052, x_5, x_6, x_7, x_8, x_1051);
-if (lean_obj_tag(x_1054) == 0)
-{
-lean_object* x_1055; lean_object* x_1056; uint8_t x_1057; 
-x_1055 = lean_ctor_get(x_1054, 0);
-lean_inc(x_1055);
-x_1056 = lean_ctor_get(x_1054, 1);
-lean_inc(x_1056);
-lean_dec(x_1054);
-x_1057 = lean_unbox(x_1055);
-lean_dec(x_1055);
-x_903 = x_1057;
-x_904 = x_1056;
-goto block_958;
+x_472 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_383, x_471, x_463, x_470, x_5, x_6, x_7, x_8, x_469);
+x_324 = x_472;
+goto block_339;
 }
 else
 {
-lean_object* x_1058; lean_object* x_1059; 
-x_1058 = lean_ctor_get(x_1054, 0);
-lean_inc(x_1058);
-x_1059 = lean_ctor_get(x_1054, 1);
-lean_inc(x_1059);
-lean_dec(x_1054);
-x_959 = x_1058;
-x_960 = x_1059;
-goto block_1008;
-}
-}
-else
+lean_object* x_473; lean_object* x_474; uint8_t x_475; 
+x_473 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_473, 0, x_375);
+x_474 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_474, 0, x_378);
+x_475 = lean_unbox(x_457);
+if (x_475 == 0)
 {
-lean_object* x_1060; lean_object* x_1061; uint8_t x_1062; 
-x_1060 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1060, 0, x_815);
-x_1061 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1061, 0, x_818);
-x_1062 = lean_unbox(x_1033);
-if (x_1062 == 0)
-{
-lean_object* x_1063; lean_object* x_1064; lean_object* x_1065; lean_object* x_1066; lean_object* x_1067; lean_object* x_1068; lean_object* x_1069; lean_object* x_1070; lean_object* x_1071; lean_object* x_1072; uint8_t x_1073; lean_object* x_1074; 
-x_1063 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
-x_1064 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1064, 0, x_1063);
-lean_ctor_set(x_1064, 1, x_1060);
-x_1065 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1066 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1066, 0, x_1064);
-lean_ctor_set(x_1066, 1, x_1065);
-x_1067 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1067, 0, x_1066);
-lean_ctor_set(x_1067, 1, x_1061);
-x_1068 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1069 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1069, 0, x_1067);
-lean_ctor_set(x_1069, 1, x_1068);
-x_1070 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1049, x_1069, x_5, x_6, x_7, x_8, x_1051);
-x_1071 = lean_ctor_get(x_1070, 0);
-lean_inc(x_1071);
-x_1072 = lean_ctor_get(x_1070, 1);
-lean_inc(x_1072);
-lean_dec(x_1070);
-x_1073 = lean_unbox(x_1033);
-lean_dec(x_1033);
+lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; lean_object* x_481; lean_object* x_482; lean_object* x_483; lean_object* x_484; lean_object* x_485; uint8_t x_486; lean_object* x_487; 
+x_476 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
+x_477 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_477, 0, x_476);
+lean_ctor_set(x_477, 1, x_473);
+x_478 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_479 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_479, 0, x_477);
+lean_ctor_set(x_479, 1, x_478);
+x_480 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_480, 0, x_479);
+lean_ctor_set(x_480, 1, x_474);
+x_481 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_482 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_482, 0, x_480);
+lean_ctor_set(x_482, 1, x_481);
+x_483 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_467, x_482, x_5, x_6, x_7, x_8, x_469);
+x_484 = lean_ctor_get(x_483, 0);
+lean_inc(x_484);
+x_485 = lean_ctor_get(x_483, 1);
+lean_inc(x_485);
+lean_dec(x_483);
+x_486 = lean_unbox(x_457);
+lean_dec(x_457);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1074 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_823, x_1073, x_1044, x_1071, x_5, x_6, x_7, x_8, x_1072);
-lean_dec(x_1071);
-if (lean_obj_tag(x_1074) == 0)
-{
-lean_object* x_1075; lean_object* x_1076; uint8_t x_1077; 
-x_1075 = lean_ctor_get(x_1074, 0);
-lean_inc(x_1075);
-x_1076 = lean_ctor_get(x_1074, 1);
-lean_inc(x_1076);
-lean_dec(x_1074);
-x_1077 = lean_unbox(x_1075);
-lean_dec(x_1075);
-x_903 = x_1077;
-x_904 = x_1076;
-goto block_958;
+x_487 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_383, x_486, x_463, x_484, x_5, x_6, x_7, x_8, x_485);
+lean_dec(x_484);
+x_324 = x_487;
+goto block_339;
 }
 else
 {
-lean_object* x_1078; lean_object* x_1079; 
-x_1078 = lean_ctor_get(x_1074, 0);
-lean_inc(x_1078);
-x_1079 = lean_ctor_get(x_1074, 1);
-lean_inc(x_1079);
-lean_dec(x_1074);
-x_959 = x_1078;
-x_960 = x_1079;
-goto block_1008;
-}
-}
-else
-{
-lean_object* x_1080; lean_object* x_1081; lean_object* x_1082; lean_object* x_1083; lean_object* x_1084; lean_object* x_1085; lean_object* x_1086; lean_object* x_1087; lean_object* x_1088; lean_object* x_1089; uint8_t x_1090; lean_object* x_1091; 
-x_1080 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
-x_1081 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1081, 0, x_1080);
-lean_ctor_set(x_1081, 1, x_1060);
-x_1082 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1083 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1083, 0, x_1081);
-lean_ctor_set(x_1083, 1, x_1082);
-x_1084 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1084, 0, x_1083);
-lean_ctor_set(x_1084, 1, x_1061);
-x_1085 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1086 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1086, 0, x_1084);
-lean_ctor_set(x_1086, 1, x_1085);
-x_1087 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1049, x_1086, x_5, x_6, x_7, x_8, x_1051);
-x_1088 = lean_ctor_get(x_1087, 0);
-lean_inc(x_1088);
-x_1089 = lean_ctor_get(x_1087, 1);
-lean_inc(x_1089);
-lean_dec(x_1087);
-x_1090 = lean_unbox(x_1033);
-lean_dec(x_1033);
+lean_object* x_488; lean_object* x_489; lean_object* x_490; lean_object* x_491; lean_object* x_492; lean_object* x_493; lean_object* x_494; lean_object* x_495; lean_object* x_496; lean_object* x_497; uint8_t x_498; lean_object* x_499; 
+x_488 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
+x_489 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_489, 0, x_488);
+lean_ctor_set(x_489, 1, x_473);
+x_490 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_491 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_491, 0, x_489);
+lean_ctor_set(x_491, 1, x_490);
+x_492 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_492, 0, x_491);
+lean_ctor_set(x_492, 1, x_474);
+x_493 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_494 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_494, 0, x_492);
+lean_ctor_set(x_494, 1, x_493);
+x_495 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_467, x_494, x_5, x_6, x_7, x_8, x_469);
+x_496 = lean_ctor_get(x_495, 0);
+lean_inc(x_496);
+x_497 = lean_ctor_get(x_495, 1);
+lean_inc(x_497);
+lean_dec(x_495);
+x_498 = lean_unbox(x_457);
+lean_dec(x_457);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1091 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_823, x_1090, x_1044, x_1088, x_5, x_6, x_7, x_8, x_1089);
-lean_dec(x_1088);
-if (lean_obj_tag(x_1091) == 0)
-{
-lean_object* x_1092; lean_object* x_1093; uint8_t x_1094; 
-x_1092 = lean_ctor_get(x_1091, 0);
-lean_inc(x_1092);
-x_1093 = lean_ctor_get(x_1091, 1);
-lean_inc(x_1093);
-lean_dec(x_1091);
-x_1094 = lean_unbox(x_1092);
-lean_dec(x_1092);
-x_903 = x_1094;
-x_904 = x_1093;
-goto block_958;
-}
-else
-{
-lean_object* x_1095; lean_object* x_1096; 
-x_1095 = lean_ctor_get(x_1091, 0);
-lean_inc(x_1095);
-x_1096 = lean_ctor_get(x_1091, 1);
-lean_inc(x_1096);
-lean_dec(x_1091);
-x_959 = x_1095;
-x_960 = x_1096;
-goto block_1008;
+x_499 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_383, x_498, x_463, x_496, x_5, x_6, x_7, x_8, x_497);
+lean_dec(x_496);
+x_324 = x_499;
+goto block_339;
 }
 }
 }
@@ -82644,461 +79496,34 @@ goto block_1008;
 }
 else
 {
-uint8_t x_1108; 
-lean_dec(x_1044);
-lean_dec(x_823);
-lean_dec(x_818);
-lean_dec(x_815);
+lean_object* x_511; lean_object* x_512; lean_object* x_513; lean_object* x_514; 
+lean_dec(x_383);
+lean_dec(x_381);
+lean_dec(x_378);
+lean_dec(x_375);
 lean_dec(x_3);
-x_1108 = lean_unbox(x_1033);
-lean_dec(x_1033);
-x_903 = x_1108;
-x_904 = x_1042;
-goto block_958;
-}
-}
-}
-else
-{
-lean_object* x_1109; lean_object* x_1110; 
-lean_dec(x_823);
-lean_dec(x_821);
-lean_dec(x_818);
-lean_dec(x_815);
-lean_dec(x_3);
-x_1109 = lean_ctor_get(x_1032, 0);
-lean_inc(x_1109);
-x_1110 = lean_ctor_get(x_1032, 1);
-lean_inc(x_1110);
-lean_dec(x_1032);
-x_959 = x_1109;
-x_960 = x_1110;
-goto block_1008;
-}
-block_958:
-{
-lean_object* x_905; lean_object* x_906; lean_object* x_907; lean_object* x_908; lean_object* x_909; 
-x_905 = lean_st_ref_get(x_8, x_904);
-x_906 = lean_ctor_get(x_905, 1);
-lean_inc(x_906);
-lean_dec(x_905);
-x_907 = lean_st_ref_take(x_6, x_906);
-x_908 = lean_ctor_get(x_907, 0);
-lean_inc(x_908);
-x_909 = lean_ctor_get(x_908, 0);
-lean_inc(x_909);
-if (x_902 == 0)
-{
-lean_object* x_910; lean_object* x_911; lean_object* x_912; lean_object* x_913; lean_object* x_914; lean_object* x_915; lean_object* x_916; lean_object* x_917; lean_object* x_918; lean_object* x_919; lean_object* x_920; lean_object* x_921; lean_object* x_922; uint8_t x_923; lean_object* x_924; lean_object* x_925; lean_object* x_926; lean_object* x_927; lean_object* x_928; lean_object* x_929; lean_object* x_930; lean_object* x_931; lean_object* x_932; lean_object* x_933; 
-x_910 = lean_ctor_get(x_907, 1);
-lean_inc(x_910);
-lean_dec(x_907);
-x_911 = lean_ctor_get(x_908, 1);
-lean_inc(x_911);
-x_912 = lean_ctor_get(x_908, 2);
-lean_inc(x_912);
-x_913 = lean_ctor_get(x_908, 3);
-lean_inc(x_913);
-if (lean_is_exclusive(x_908)) {
- lean_ctor_release(x_908, 0);
- lean_ctor_release(x_908, 1);
- lean_ctor_release(x_908, 2);
- lean_ctor_release(x_908, 3);
- x_914 = x_908;
+x_511 = lean_ctor_get(x_456, 0);
+lean_inc(x_511);
+x_512 = lean_ctor_get(x_456, 1);
+lean_inc(x_512);
+if (lean_is_exclusive(x_456)) {
+ lean_ctor_release(x_456, 0);
+ lean_ctor_release(x_456, 1);
+ x_513 = x_456;
 } else {
- lean_dec_ref(x_908);
- x_914 = lean_box(0);
+ lean_dec_ref(x_456);
+ x_513 = lean_box(0);
 }
-x_915 = lean_ctor_get(x_909, 0);
-lean_inc(x_915);
-x_916 = lean_ctor_get(x_909, 1);
-lean_inc(x_916);
-x_917 = lean_ctor_get(x_909, 2);
-lean_inc(x_917);
-x_918 = lean_ctor_get(x_909, 3);
-lean_inc(x_918);
-x_919 = lean_ctor_get(x_909, 4);
-lean_inc(x_919);
-x_920 = lean_ctor_get(x_909, 5);
-lean_inc(x_920);
-x_921 = lean_ctor_get(x_909, 6);
-lean_inc(x_921);
-x_922 = lean_ctor_get(x_909, 7);
-lean_inc(x_922);
-x_923 = lean_ctor_get_uint8(x_909, sizeof(void*)*8);
-if (lean_is_exclusive(x_909)) {
- lean_ctor_release(x_909, 0);
- lean_ctor_release(x_909, 1);
- lean_ctor_release(x_909, 2);
- lean_ctor_release(x_909, 3);
- lean_ctor_release(x_909, 4);
- lean_ctor_release(x_909, 5);
- lean_ctor_release(x_909, 6);
- lean_ctor_release(x_909, 7);
- x_924 = x_909;
+if (lean_is_scalar(x_513)) {
+ x_514 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_909);
- x_924 = lean_box(0);
+ x_514 = x_513;
 }
-if (lean_is_scalar(x_924)) {
- x_925 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_925 = x_924;
+lean_ctor_set(x_514, 0, x_511);
+lean_ctor_set(x_514, 1, x_512);
+x_324 = x_514;
+goto block_339;
 }
-lean_ctor_set(x_925, 0, x_915);
-lean_ctor_set(x_925, 1, x_916);
-lean_ctor_set(x_925, 2, x_917);
-lean_ctor_set(x_925, 3, x_918);
-lean_ctor_set(x_925, 4, x_919);
-lean_ctor_set(x_925, 5, x_920);
-lean_ctor_set(x_925, 6, x_921);
-lean_ctor_set(x_925, 7, x_922);
-lean_ctor_set_uint8(x_925, sizeof(void*)*8, x_923);
-if (lean_is_scalar(x_914)) {
- x_926 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_926 = x_914;
-}
-lean_ctor_set(x_926, 0, x_925);
-lean_ctor_set(x_926, 1, x_911);
-lean_ctor_set(x_926, 2, x_912);
-lean_ctor_set(x_926, 3, x_913);
-x_927 = lean_st_ref_set(x_6, x_926, x_910);
-x_928 = lean_ctor_get(x_927, 1);
-lean_inc(x_928);
-if (lean_is_exclusive(x_927)) {
- lean_ctor_release(x_927, 0);
- lean_ctor_release(x_927, 1);
- x_929 = x_927;
-} else {
- lean_dec_ref(x_927);
- x_929 = lean_box(0);
-}
-x_930 = lean_box(0);
-x_931 = lean_box(x_903);
-x_932 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_932, 0, x_931);
-lean_ctor_set(x_932, 1, x_930);
-if (lean_is_scalar(x_929)) {
- x_933 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_933 = x_929;
-}
-lean_ctor_set(x_933, 0, x_932);
-lean_ctor_set(x_933, 1, x_928);
-x_762 = x_933;
-goto block_772;
-}
-else
-{
-lean_object* x_934; lean_object* x_935; lean_object* x_936; lean_object* x_937; lean_object* x_938; lean_object* x_939; lean_object* x_940; lean_object* x_941; lean_object* x_942; lean_object* x_943; lean_object* x_944; lean_object* x_945; lean_object* x_946; lean_object* x_947; uint8_t x_948; lean_object* x_949; lean_object* x_950; lean_object* x_951; lean_object* x_952; lean_object* x_953; lean_object* x_954; lean_object* x_955; lean_object* x_956; lean_object* x_957; 
-x_934 = lean_ctor_get(x_907, 1);
-lean_inc(x_934);
-lean_dec(x_907);
-x_935 = lean_ctor_get(x_908, 1);
-lean_inc(x_935);
-x_936 = lean_ctor_get(x_908, 2);
-lean_inc(x_936);
-x_937 = lean_ctor_get(x_908, 3);
-lean_inc(x_937);
-if (lean_is_exclusive(x_908)) {
- lean_ctor_release(x_908, 0);
- lean_ctor_release(x_908, 1);
- lean_ctor_release(x_908, 2);
- lean_ctor_release(x_908, 3);
- x_938 = x_908;
-} else {
- lean_dec_ref(x_908);
- x_938 = lean_box(0);
-}
-x_939 = lean_ctor_get(x_909, 0);
-lean_inc(x_939);
-x_940 = lean_ctor_get(x_909, 1);
-lean_inc(x_940);
-x_941 = lean_ctor_get(x_909, 2);
-lean_inc(x_941);
-x_942 = lean_ctor_get(x_909, 3);
-lean_inc(x_942);
-x_943 = lean_ctor_get(x_909, 4);
-lean_inc(x_943);
-x_944 = lean_ctor_get(x_909, 5);
-lean_inc(x_944);
-x_945 = lean_ctor_get(x_909, 6);
-lean_inc(x_945);
-x_946 = lean_ctor_get(x_909, 7);
-lean_inc(x_946);
-if (lean_is_exclusive(x_909)) {
- lean_ctor_release(x_909, 0);
- lean_ctor_release(x_909, 1);
- lean_ctor_release(x_909, 2);
- lean_ctor_release(x_909, 3);
- lean_ctor_release(x_909, 4);
- lean_ctor_release(x_909, 5);
- lean_ctor_release(x_909, 6);
- lean_ctor_release(x_909, 7);
- x_947 = x_909;
-} else {
- lean_dec_ref(x_909);
- x_947 = lean_box(0);
-}
-x_948 = 1;
-if (lean_is_scalar(x_947)) {
- x_949 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_949 = x_947;
-}
-lean_ctor_set(x_949, 0, x_939);
-lean_ctor_set(x_949, 1, x_940);
-lean_ctor_set(x_949, 2, x_941);
-lean_ctor_set(x_949, 3, x_942);
-lean_ctor_set(x_949, 4, x_943);
-lean_ctor_set(x_949, 5, x_944);
-lean_ctor_set(x_949, 6, x_945);
-lean_ctor_set(x_949, 7, x_946);
-lean_ctor_set_uint8(x_949, sizeof(void*)*8, x_948);
-if (lean_is_scalar(x_938)) {
- x_950 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_950 = x_938;
-}
-lean_ctor_set(x_950, 0, x_949);
-lean_ctor_set(x_950, 1, x_935);
-lean_ctor_set(x_950, 2, x_936);
-lean_ctor_set(x_950, 3, x_937);
-x_951 = lean_st_ref_set(x_6, x_950, x_934);
-x_952 = lean_ctor_get(x_951, 1);
-lean_inc(x_952);
-if (lean_is_exclusive(x_951)) {
- lean_ctor_release(x_951, 0);
- lean_ctor_release(x_951, 1);
- x_953 = x_951;
-} else {
- lean_dec_ref(x_951);
- x_953 = lean_box(0);
-}
-x_954 = lean_box(0);
-x_955 = lean_box(x_903);
-x_956 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_956, 0, x_955);
-lean_ctor_set(x_956, 1, x_954);
-if (lean_is_scalar(x_953)) {
- x_957 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_957 = x_953;
-}
-lean_ctor_set(x_957, 0, x_956);
-lean_ctor_set(x_957, 1, x_952);
-x_762 = x_957;
-goto block_772;
-}
-}
-block_1008:
-{
-lean_object* x_961; lean_object* x_962; lean_object* x_963; lean_object* x_964; lean_object* x_965; 
-x_961 = lean_st_ref_get(x_8, x_960);
-x_962 = lean_ctor_get(x_961, 1);
-lean_inc(x_962);
-lean_dec(x_961);
-x_963 = lean_st_ref_take(x_6, x_962);
-x_964 = lean_ctor_get(x_963, 0);
-lean_inc(x_964);
-x_965 = lean_ctor_get(x_964, 0);
-lean_inc(x_965);
-if (x_902 == 0)
-{
-lean_object* x_966; lean_object* x_967; lean_object* x_968; lean_object* x_969; lean_object* x_970; lean_object* x_971; lean_object* x_972; lean_object* x_973; lean_object* x_974; lean_object* x_975; lean_object* x_976; lean_object* x_977; lean_object* x_978; uint8_t x_979; lean_object* x_980; lean_object* x_981; lean_object* x_982; lean_object* x_983; lean_object* x_984; lean_object* x_985; lean_object* x_986; 
-x_966 = lean_ctor_get(x_963, 1);
-lean_inc(x_966);
-lean_dec(x_963);
-x_967 = lean_ctor_get(x_964, 1);
-lean_inc(x_967);
-x_968 = lean_ctor_get(x_964, 2);
-lean_inc(x_968);
-x_969 = lean_ctor_get(x_964, 3);
-lean_inc(x_969);
-if (lean_is_exclusive(x_964)) {
- lean_ctor_release(x_964, 0);
- lean_ctor_release(x_964, 1);
- lean_ctor_release(x_964, 2);
- lean_ctor_release(x_964, 3);
- x_970 = x_964;
-} else {
- lean_dec_ref(x_964);
- x_970 = lean_box(0);
-}
-x_971 = lean_ctor_get(x_965, 0);
-lean_inc(x_971);
-x_972 = lean_ctor_get(x_965, 1);
-lean_inc(x_972);
-x_973 = lean_ctor_get(x_965, 2);
-lean_inc(x_973);
-x_974 = lean_ctor_get(x_965, 3);
-lean_inc(x_974);
-x_975 = lean_ctor_get(x_965, 4);
-lean_inc(x_975);
-x_976 = lean_ctor_get(x_965, 5);
-lean_inc(x_976);
-x_977 = lean_ctor_get(x_965, 6);
-lean_inc(x_977);
-x_978 = lean_ctor_get(x_965, 7);
-lean_inc(x_978);
-x_979 = lean_ctor_get_uint8(x_965, sizeof(void*)*8);
-if (lean_is_exclusive(x_965)) {
- lean_ctor_release(x_965, 0);
- lean_ctor_release(x_965, 1);
- lean_ctor_release(x_965, 2);
- lean_ctor_release(x_965, 3);
- lean_ctor_release(x_965, 4);
- lean_ctor_release(x_965, 5);
- lean_ctor_release(x_965, 6);
- lean_ctor_release(x_965, 7);
- x_980 = x_965;
-} else {
- lean_dec_ref(x_965);
- x_980 = lean_box(0);
-}
-if (lean_is_scalar(x_980)) {
- x_981 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_981 = x_980;
-}
-lean_ctor_set(x_981, 0, x_971);
-lean_ctor_set(x_981, 1, x_972);
-lean_ctor_set(x_981, 2, x_973);
-lean_ctor_set(x_981, 3, x_974);
-lean_ctor_set(x_981, 4, x_975);
-lean_ctor_set(x_981, 5, x_976);
-lean_ctor_set(x_981, 6, x_977);
-lean_ctor_set(x_981, 7, x_978);
-lean_ctor_set_uint8(x_981, sizeof(void*)*8, x_979);
-if (lean_is_scalar(x_970)) {
- x_982 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_982 = x_970;
-}
-lean_ctor_set(x_982, 0, x_981);
-lean_ctor_set(x_982, 1, x_967);
-lean_ctor_set(x_982, 2, x_968);
-lean_ctor_set(x_982, 3, x_969);
-x_983 = lean_st_ref_set(x_6, x_982, x_966);
-x_984 = lean_ctor_get(x_983, 1);
-lean_inc(x_984);
-if (lean_is_exclusive(x_983)) {
- lean_ctor_release(x_983, 0);
- lean_ctor_release(x_983, 1);
- x_985 = x_983;
-} else {
- lean_dec_ref(x_983);
- x_985 = lean_box(0);
-}
-if (lean_is_scalar(x_985)) {
- x_986 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_986 = x_985;
- lean_ctor_set_tag(x_986, 1);
-}
-lean_ctor_set(x_986, 0, x_959);
-lean_ctor_set(x_986, 1, x_984);
-x_762 = x_986;
-goto block_772;
-}
-else
-{
-lean_object* x_987; lean_object* x_988; lean_object* x_989; lean_object* x_990; lean_object* x_991; lean_object* x_992; lean_object* x_993; lean_object* x_994; lean_object* x_995; lean_object* x_996; lean_object* x_997; lean_object* x_998; lean_object* x_999; lean_object* x_1000; uint8_t x_1001; lean_object* x_1002; lean_object* x_1003; lean_object* x_1004; lean_object* x_1005; lean_object* x_1006; lean_object* x_1007; 
-x_987 = lean_ctor_get(x_963, 1);
-lean_inc(x_987);
-lean_dec(x_963);
-x_988 = lean_ctor_get(x_964, 1);
-lean_inc(x_988);
-x_989 = lean_ctor_get(x_964, 2);
-lean_inc(x_989);
-x_990 = lean_ctor_get(x_964, 3);
-lean_inc(x_990);
-if (lean_is_exclusive(x_964)) {
- lean_ctor_release(x_964, 0);
- lean_ctor_release(x_964, 1);
- lean_ctor_release(x_964, 2);
- lean_ctor_release(x_964, 3);
- x_991 = x_964;
-} else {
- lean_dec_ref(x_964);
- x_991 = lean_box(0);
-}
-x_992 = lean_ctor_get(x_965, 0);
-lean_inc(x_992);
-x_993 = lean_ctor_get(x_965, 1);
-lean_inc(x_993);
-x_994 = lean_ctor_get(x_965, 2);
-lean_inc(x_994);
-x_995 = lean_ctor_get(x_965, 3);
-lean_inc(x_995);
-x_996 = lean_ctor_get(x_965, 4);
-lean_inc(x_996);
-x_997 = lean_ctor_get(x_965, 5);
-lean_inc(x_997);
-x_998 = lean_ctor_get(x_965, 6);
-lean_inc(x_998);
-x_999 = lean_ctor_get(x_965, 7);
-lean_inc(x_999);
-if (lean_is_exclusive(x_965)) {
- lean_ctor_release(x_965, 0);
- lean_ctor_release(x_965, 1);
- lean_ctor_release(x_965, 2);
- lean_ctor_release(x_965, 3);
- lean_ctor_release(x_965, 4);
- lean_ctor_release(x_965, 5);
- lean_ctor_release(x_965, 6);
- lean_ctor_release(x_965, 7);
- x_1000 = x_965;
-} else {
- lean_dec_ref(x_965);
- x_1000 = lean_box(0);
-}
-x_1001 = 1;
-if (lean_is_scalar(x_1000)) {
- x_1002 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1002 = x_1000;
-}
-lean_ctor_set(x_1002, 0, x_992);
-lean_ctor_set(x_1002, 1, x_993);
-lean_ctor_set(x_1002, 2, x_994);
-lean_ctor_set(x_1002, 3, x_995);
-lean_ctor_set(x_1002, 4, x_996);
-lean_ctor_set(x_1002, 5, x_997);
-lean_ctor_set(x_1002, 6, x_998);
-lean_ctor_set(x_1002, 7, x_999);
-lean_ctor_set_uint8(x_1002, sizeof(void*)*8, x_1001);
-if (lean_is_scalar(x_991)) {
- x_1003 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1003 = x_991;
-}
-lean_ctor_set(x_1003, 0, x_1002);
-lean_ctor_set(x_1003, 1, x_988);
-lean_ctor_set(x_1003, 2, x_989);
-lean_ctor_set(x_1003, 3, x_990);
-x_1004 = lean_st_ref_set(x_6, x_1003, x_987);
-x_1005 = lean_ctor_get(x_1004, 1);
-lean_inc(x_1005);
-if (lean_is_exclusive(x_1004)) {
- lean_ctor_release(x_1004, 0);
- lean_ctor_release(x_1004, 1);
- x_1006 = x_1004;
-} else {
- lean_dec_ref(x_1004);
- x_1006 = lean_box(0);
-}
-if (lean_is_scalar(x_1006)) {
- x_1007 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_1007 = x_1006;
- lean_ctor_set_tag(x_1007, 1);
-}
-lean_ctor_set(x_1007, 0, x_959);
-lean_ctor_set(x_1007, 1, x_1005);
-x_762 = x_1007;
-goto block_772;
 }
 }
 }
@@ -83106,472 +79531,382 @@ goto block_772;
 }
 else
 {
-lean_object* x_1111; lean_object* x_1112; 
-lean_dec(x_3);
-x_1111 = lean_ctor_get(x_810, 1);
-lean_inc(x_1111);
-lean_dec(x_810);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_1112 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_1, x_2, x_5, x_6, x_7, x_8, x_1111);
-x_746 = x_1112;
-goto block_761;
-}
-}
-else
-{
-lean_object* x_1113; lean_object* x_1114; 
+lean_object* x_515; lean_object* x_516; 
+lean_dec(x_365);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1113 = lean_ctor_get(x_810, 0);
-lean_inc(x_1113);
-x_1114 = lean_ctor_get(x_810, 1);
-lean_inc(x_1114);
-lean_dec(x_810);
-x_739 = x_1113;
-x_740 = x_1114;
-goto block_745;
+x_515 = lean_ctor_get(x_367, 0);
+lean_inc(x_515);
+x_516 = lean_ctor_get(x_367, 1);
+lean_inc(x_516);
+lean_dec(x_367);
+x_340 = x_515;
+x_341 = x_516;
+goto block_346;
+}
+}
+else
+{
+lean_object* x_517; lean_object* x_518; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_517 = lean_ctor_get(x_364, 0);
+lean_inc(x_517);
+x_518 = lean_ctor_get(x_364, 1);
+lean_inc(x_518);
+lean_dec(x_364);
+x_340 = x_517;
+x_341 = x_518;
+goto block_346;
 }
 }
 }
 }
 else
 {
-lean_object* x_1115; lean_object* x_1116; 
-lean_dec(x_791);
+lean_object* x_519; lean_object* x_520; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1115 = lean_ctor_get(x_793, 0);
-lean_inc(x_1115);
-x_1116 = lean_ctor_get(x_793, 1);
-lean_inc(x_1116);
-lean_dec(x_793);
-x_739 = x_1115;
-x_740 = x_1116;
-goto block_745;
-}
-}
-else
-{
-lean_object* x_1117; lean_object* x_1118; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_1117 = lean_ctor_get(x_790, 0);
-lean_inc(x_1117);
-x_1118 = lean_ctor_get(x_790, 1);
-lean_inc(x_1118);
-lean_dec(x_790);
-x_739 = x_1117;
-x_740 = x_1118;
-goto block_745;
+x_519 = lean_ctor_get(x_355, 0);
+lean_inc(x_519);
+x_520 = lean_ctor_get(x_355, 1);
+lean_inc(x_520);
+lean_dec(x_355);
+x_340 = x_519;
+x_341 = x_520;
+goto block_346;
 }
 }
 }
 }
 else
 {
-lean_object* x_1119; lean_object* x_1120; 
+lean_object* x_521; lean_object* x_522; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1119 = lean_ctor_get(x_781, 0);
-lean_inc(x_1119);
-x_1120 = lean_ctor_get(x_781, 1);
-lean_inc(x_1120);
-lean_dec(x_781);
-x_739 = x_1119;
-x_740 = x_1120;
-goto block_745;
+x_521 = lean_ctor_get(x_347, 0);
+lean_inc(x_521);
+x_522 = lean_ctor_get(x_347, 1);
+lean_inc(x_522);
+lean_dec(x_347);
+x_340 = x_521;
+x_341 = x_522;
+goto block_346;
 }
-}
-}
-}
-else
+block_323:
 {
-lean_object* x_1121; lean_object* x_1122; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_1121 = lean_ctor_get(x_773, 0);
-lean_inc(x_1121);
-x_1122 = lean_ctor_get(x_773, 1);
-lean_inc(x_1122);
-lean_dec(x_773);
-x_739 = x_1121;
-x_740 = x_1122;
-goto block_745;
-}
-block_738:
-{
-lean_object* x_733; lean_object* x_734; lean_object* x_735; lean_object* x_736; lean_object* x_737; 
-x_733 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_730, x_30, x_5, x_6, x_7, x_8, x_732);
+lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; lean_object* x_322; 
+x_318 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_315, x_30, x_5, x_6, x_7, x_8, x_317);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_734 = lean_ctor_get(x_733, 1);
-lean_inc(x_734);
-if (lean_is_exclusive(x_733)) {
- lean_ctor_release(x_733, 0);
- lean_ctor_release(x_733, 1);
- x_735 = x_733;
+x_319 = lean_ctor_get(x_318, 1);
+lean_inc(x_319);
+if (lean_is_exclusive(x_318)) {
+ lean_ctor_release(x_318, 0);
+ lean_ctor_release(x_318, 1);
+ x_320 = x_318;
 } else {
- lean_dec_ref(x_733);
- x_735 = lean_box(0);
+ lean_dec_ref(x_318);
+ x_320 = lean_box(0);
 }
-x_736 = lean_box(x_731);
-if (lean_is_scalar(x_735)) {
- x_737 = lean_alloc_ctor(0, 2, 0);
+x_321 = lean_box(x_316);
+if (lean_is_scalar(x_320)) {
+ x_322 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_737 = x_735;
+ x_322 = x_320;
 }
-lean_ctor_set(x_737, 0, x_736);
-lean_ctor_set(x_737, 1, x_734);
-return x_737;
+lean_ctor_set(x_322, 0, x_321);
+lean_ctor_set(x_322, 1, x_319);
+return x_322;
 }
-block_745:
+block_339:
 {
-lean_object* x_741; lean_object* x_742; lean_object* x_743; lean_object* x_744; 
-x_741 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_730, x_30, x_5, x_6, x_7, x_8, x_740);
+if (lean_obj_tag(x_324) == 0)
+{
+lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; 
+x_325 = lean_ctor_get(x_324, 0);
+lean_inc(x_325);
+x_326 = lean_ctor_get(x_324, 1);
+lean_inc(x_326);
+lean_dec(x_324);
+x_327 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_315, x_30, x_5, x_6, x_7, x_8, x_326);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_742 = lean_ctor_get(x_741, 1);
-lean_inc(x_742);
-if (lean_is_exclusive(x_741)) {
- lean_ctor_release(x_741, 0);
- lean_ctor_release(x_741, 1);
- x_743 = x_741;
+x_328 = lean_ctor_get(x_327, 0);
+lean_inc(x_328);
+x_329 = lean_ctor_get(x_327, 1);
+lean_inc(x_329);
+if (lean_is_exclusive(x_327)) {
+ lean_ctor_release(x_327, 0);
+ lean_ctor_release(x_327, 1);
+ x_330 = x_327;
 } else {
- lean_dec_ref(x_741);
- x_743 = lean_box(0);
+ lean_dec_ref(x_327);
+ x_330 = lean_box(0);
 }
-if (lean_is_scalar(x_743)) {
- x_744 = lean_alloc_ctor(1, 2, 0);
+x_331 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_331, 0, x_325);
+lean_ctor_set(x_331, 1, x_328);
+if (lean_is_scalar(x_330)) {
+ x_332 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_744 = x_743;
- lean_ctor_set_tag(x_744, 1);
+ x_332 = x_330;
 }
-lean_ctor_set(x_744, 0, x_739);
-lean_ctor_set(x_744, 1, x_742);
-return x_744;
-}
-block_761:
-{
-if (lean_obj_tag(x_746) == 0)
-{
-lean_object* x_747; lean_object* x_748; lean_object* x_749; lean_object* x_750; lean_object* x_751; lean_object* x_752; lean_object* x_753; lean_object* x_754; 
-x_747 = lean_ctor_get(x_746, 0);
-lean_inc(x_747);
-x_748 = lean_ctor_get(x_746, 1);
-lean_inc(x_748);
-lean_dec(x_746);
-x_749 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_730, x_30, x_5, x_6, x_7, x_8, x_748);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_750 = lean_ctor_get(x_749, 0);
-lean_inc(x_750);
-x_751 = lean_ctor_get(x_749, 1);
-lean_inc(x_751);
-if (lean_is_exclusive(x_749)) {
- lean_ctor_release(x_749, 0);
- lean_ctor_release(x_749, 1);
- x_752 = x_749;
-} else {
- lean_dec_ref(x_749);
- x_752 = lean_box(0);
-}
-x_753 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_753, 0, x_747);
-lean_ctor_set(x_753, 1, x_750);
-if (lean_is_scalar(x_752)) {
- x_754 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_754 = x_752;
-}
-lean_ctor_set(x_754, 0, x_753);
-lean_ctor_set(x_754, 1, x_751);
-x_10 = x_754;
+lean_ctor_set(x_332, 0, x_331);
+lean_ctor_set(x_332, 1, x_329);
+x_10 = x_332;
 goto block_22;
 }
 else
 {
-lean_object* x_755; lean_object* x_756; lean_object* x_757; lean_object* x_758; lean_object* x_759; lean_object* x_760; 
-x_755 = lean_ctor_get(x_746, 0);
-lean_inc(x_755);
-x_756 = lean_ctor_get(x_746, 1);
-lean_inc(x_756);
-lean_dec(x_746);
-x_757 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_730, x_30, x_5, x_6, x_7, x_8, x_756);
+lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; 
+x_333 = lean_ctor_get(x_324, 0);
+lean_inc(x_333);
+x_334 = lean_ctor_get(x_324, 1);
+lean_inc(x_334);
+lean_dec(x_324);
+x_335 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_315, x_30, x_5, x_6, x_7, x_8, x_334);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_758 = lean_ctor_get(x_757, 1);
-lean_inc(x_758);
-if (lean_is_exclusive(x_757)) {
- lean_ctor_release(x_757, 0);
- lean_ctor_release(x_757, 1);
- x_759 = x_757;
+x_336 = lean_ctor_get(x_335, 1);
+lean_inc(x_336);
+if (lean_is_exclusive(x_335)) {
+ lean_ctor_release(x_335, 0);
+ lean_ctor_release(x_335, 1);
+ x_337 = x_335;
 } else {
- lean_dec_ref(x_757);
- x_759 = lean_box(0);
+ lean_dec_ref(x_335);
+ x_337 = lean_box(0);
 }
-if (lean_is_scalar(x_759)) {
- x_760 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_337)) {
+ x_338 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_760 = x_759;
- lean_ctor_set_tag(x_760, 1);
+ x_338 = x_337;
+ lean_ctor_set_tag(x_338, 1);
 }
-lean_ctor_set(x_760, 0, x_755);
-lean_ctor_set(x_760, 1, x_758);
-x_10 = x_760;
+lean_ctor_set(x_338, 0, x_333);
+lean_ctor_set(x_338, 1, x_336);
+x_10 = x_338;
 goto block_22;
 }
 }
-block_772:
+block_346:
 {
-if (lean_obj_tag(x_762) == 0)
-{
-lean_object* x_763; lean_object* x_764; lean_object* x_765; lean_object* x_766; lean_object* x_767; 
-x_763 = lean_ctor_get(x_762, 0);
-lean_inc(x_763);
-x_764 = lean_ctor_get(x_762, 1);
-lean_inc(x_764);
-if (lean_is_exclusive(x_762)) {
- lean_ctor_release(x_762, 0);
- lean_ctor_release(x_762, 1);
- x_765 = x_762;
+lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; 
+x_342 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_315, x_30, x_5, x_6, x_7, x_8, x_341);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_343 = lean_ctor_get(x_342, 1);
+lean_inc(x_343);
+if (lean_is_exclusive(x_342)) {
+ lean_ctor_release(x_342, 0);
+ lean_ctor_release(x_342, 1);
+ x_344 = x_342;
 } else {
- lean_dec_ref(x_762);
- x_765 = lean_box(0);
+ lean_dec_ref(x_342);
+ x_344 = lean_box(0);
 }
-x_766 = lean_ctor_get(x_763, 0);
-lean_inc(x_766);
-lean_dec(x_763);
-if (lean_is_scalar(x_765)) {
- x_767 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_344)) {
+ x_345 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_767 = x_765;
-}
-lean_ctor_set(x_767, 0, x_766);
-lean_ctor_set(x_767, 1, x_764);
-x_746 = x_767;
-goto block_761;
-}
-else
-{
-lean_object* x_768; lean_object* x_769; lean_object* x_770; lean_object* x_771; 
-x_768 = lean_ctor_get(x_762, 0);
-lean_inc(x_768);
-x_769 = lean_ctor_get(x_762, 1);
-lean_inc(x_769);
-if (lean_is_exclusive(x_762)) {
- lean_ctor_release(x_762, 0);
- lean_ctor_release(x_762, 1);
- x_770 = x_762;
-} else {
- lean_dec_ref(x_762);
- x_770 = lean_box(0);
-}
-if (lean_is_scalar(x_770)) {
- x_771 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_771 = x_770;
-}
-lean_ctor_set(x_771, 0, x_768);
-lean_ctor_set(x_771, 1, x_769);
-x_746 = x_771;
-goto block_761;
+ x_345 = x_344;
+ lean_ctor_set_tag(x_345, 1);
 }
+lean_ctor_set(x_345, 0, x_340);
+lean_ctor_set(x_345, 1, x_343);
+return x_345;
 }
 }
 }
 else
 {
-lean_object* x_1123; lean_object* x_1124; lean_object* x_1125; lean_object* x_1126; lean_object* x_1127; lean_object* x_1128; uint8_t x_1129; lean_object* x_1130; lean_object* x_1131; lean_object* x_1132; lean_object* x_1133; lean_object* x_1134; lean_object* x_1135; lean_object* x_1136; uint8_t x_1137; lean_object* x_1138; lean_object* x_1145; lean_object* x_1146; lean_object* x_1152; lean_object* x_1168; lean_object* x_1179; 
-x_1123 = lean_ctor_get(x_32, 0);
-x_1124 = lean_ctor_get(x_32, 1);
-x_1125 = lean_ctor_get(x_32, 2);
-x_1126 = lean_ctor_get(x_32, 4);
-x_1127 = lean_ctor_get(x_32, 5);
-x_1128 = lean_ctor_get(x_32, 6);
-lean_inc(x_1128);
-lean_inc(x_1127);
-lean_inc(x_1126);
-lean_inc(x_1125);
-lean_inc(x_1124);
-lean_inc(x_1123);
+lean_object* x_523; lean_object* x_524; lean_object* x_525; lean_object* x_526; lean_object* x_527; lean_object* x_528; uint8_t x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; lean_object* x_533; lean_object* x_534; lean_object* x_535; lean_object* x_536; uint8_t x_537; lean_object* x_538; lean_object* x_545; lean_object* x_561; lean_object* x_562; lean_object* x_568; 
+x_523 = lean_ctor_get(x_32, 0);
+x_524 = lean_ctor_get(x_32, 1);
+x_525 = lean_ctor_get(x_32, 2);
+x_526 = lean_ctor_get(x_32, 4);
+x_527 = lean_ctor_get(x_32, 5);
+x_528 = lean_ctor_get(x_32, 6);
+lean_inc(x_528);
+lean_inc(x_527);
+lean_inc(x_526);
+lean_inc(x_525);
+lean_inc(x_524);
+lean_inc(x_523);
 lean_dec(x_32);
-x_1129 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
+x_529 = lean_ctor_get_uint8(x_33, sizeof(void*)*1);
 if (lean_is_exclusive(x_33)) {
  lean_ctor_release(x_33, 0);
- x_1130 = x_33;
+ x_530 = x_33;
 } else {
  lean_dec_ref(x_33);
- x_1130 = lean_box(0);
+ x_530 = lean_box(0);
 }
-x_1131 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__3;
-if (lean_is_scalar(x_1130)) {
- x_1132 = lean_alloc_ctor(0, 1, 1);
+x_531 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__3;
+if (lean_is_scalar(x_530)) {
+ x_532 = lean_alloc_ctor(0, 1, 1);
 } else {
- x_1132 = x_1130;
+ x_532 = x_530;
 }
-lean_ctor_set(x_1132, 0, x_1131);
-lean_ctor_set_uint8(x_1132, sizeof(void*)*1, x_1129);
-x_1133 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_1133, 0, x_1123);
-lean_ctor_set(x_1133, 1, x_1124);
-lean_ctor_set(x_1133, 2, x_1125);
-lean_ctor_set(x_1133, 3, x_1132);
-lean_ctor_set(x_1133, 4, x_1126);
-lean_ctor_set(x_1133, 5, x_1127);
-lean_ctor_set(x_1133, 6, x_1128);
-x_1134 = lean_st_ref_set(x_8, x_1133, x_34);
-x_1135 = lean_ctor_get(x_1134, 1);
-lean_inc(x_1135);
-lean_dec(x_1134);
-x_1136 = lean_ctor_get(x_7, 5);
-lean_inc(x_1136);
+lean_ctor_set(x_532, 0, x_531);
+lean_ctor_set_uint8(x_532, sizeof(void*)*1, x_529);
+x_533 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_533, 0, x_523);
+lean_ctor_set(x_533, 1, x_524);
+lean_ctor_set(x_533, 2, x_525);
+lean_ctor_set(x_533, 3, x_532);
+lean_ctor_set(x_533, 4, x_526);
+lean_ctor_set(x_533, 5, x_527);
+lean_ctor_set(x_533, 6, x_528);
+x_534 = lean_st_ref_set(x_8, x_533, x_34);
+x_535 = lean_ctor_get(x_534, 1);
+lean_inc(x_535);
+lean_dec(x_534);
+x_536 = lean_ctor_get(x_7, 5);
+lean_inc(x_536);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_1179 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_1135);
-if (lean_obj_tag(x_1179) == 0)
+x_568 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_2, x_5, x_6, x_7, x_8, x_535);
+if (lean_obj_tag(x_568) == 0)
 {
-lean_object* x_1180; uint8_t x_1181; 
-x_1180 = lean_ctor_get(x_1179, 0);
-lean_inc(x_1180);
-x_1181 = lean_unbox(x_1180);
-lean_dec(x_1180);
-switch (x_1181) {
+lean_object* x_569; uint8_t x_570; 
+x_569 = lean_ctor_get(x_568, 0);
+lean_inc(x_569);
+x_570 = lean_unbox(x_569);
+lean_dec(x_569);
+switch (x_570) {
 case 0:
 {
-lean_object* x_1182; uint8_t x_1183; 
+lean_object* x_571; uint8_t x_572; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1182 = lean_ctor_get(x_1179, 1);
-lean_inc(x_1182);
-lean_dec(x_1179);
-x_1183 = 0;
-x_1137 = x_1183;
-x_1138 = x_1182;
-goto block_1144;
+x_571 = lean_ctor_get(x_568, 1);
+lean_inc(x_571);
+lean_dec(x_568);
+x_572 = 0;
+x_537 = x_572;
+x_538 = x_571;
+goto block_544;
 }
 case 1:
 {
-lean_object* x_1184; uint8_t x_1185; 
+lean_object* x_573; uint8_t x_574; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1184 = lean_ctor_get(x_1179, 1);
-lean_inc(x_1184);
-lean_dec(x_1179);
-x_1185 = 1;
-x_1137 = x_1185;
-x_1138 = x_1184;
-goto block_1144;
+x_573 = lean_ctor_get(x_568, 1);
+lean_inc(x_573);
+lean_dec(x_568);
+x_574 = 1;
+x_537 = x_574;
+x_538 = x_573;
+goto block_544;
 }
 default: 
 {
-lean_object* x_1186; lean_object* x_1187; 
-x_1186 = lean_ctor_get(x_1179, 1);
-lean_inc(x_1186);
-lean_dec(x_1179);
+lean_object* x_575; lean_object* x_576; 
+x_575 = lean_ctor_get(x_568, 1);
+lean_inc(x_575);
+lean_dec(x_568);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
 lean_inc(x_1);
-x_1187 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_1186);
-if (lean_obj_tag(x_1187) == 0)
+x_576 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqProofIrrel(x_1, x_2, x_5, x_6, x_7, x_8, x_575);
+if (lean_obj_tag(x_576) == 0)
 {
-lean_object* x_1188; uint8_t x_1189; 
-x_1188 = lean_ctor_get(x_1187, 0);
-lean_inc(x_1188);
-x_1189 = lean_unbox(x_1188);
-lean_dec(x_1188);
-switch (x_1189) {
+lean_object* x_577; uint8_t x_578; 
+x_577 = lean_ctor_get(x_576, 0);
+lean_inc(x_577);
+x_578 = lean_unbox(x_577);
+lean_dec(x_577);
+switch (x_578) {
 case 0:
 {
-lean_object* x_1190; uint8_t x_1191; 
+lean_object* x_579; uint8_t x_580; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1190 = lean_ctor_get(x_1187, 1);
-lean_inc(x_1190);
-lean_dec(x_1187);
-x_1191 = 0;
-x_1137 = x_1191;
-x_1138 = x_1190;
-goto block_1144;
+x_579 = lean_ctor_get(x_576, 1);
+lean_inc(x_579);
+lean_dec(x_576);
+x_580 = 0;
+x_537 = x_580;
+x_538 = x_579;
+goto block_544;
 }
 case 1:
 {
-lean_object* x_1192; uint8_t x_1193; 
+lean_object* x_581; uint8_t x_582; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1192 = lean_ctor_get(x_1187, 1);
-lean_inc(x_1192);
-lean_dec(x_1187);
-x_1193 = 1;
-x_1137 = x_1193;
-x_1138 = x_1192;
-goto block_1144;
+x_581 = lean_ctor_get(x_576, 1);
+lean_inc(x_581);
+lean_dec(x_576);
+x_582 = 1;
+x_537 = x_582;
+x_538 = x_581;
+goto block_544;
 }
 default: 
 {
-lean_object* x_1194; uint8_t x_1195; lean_object* x_1196; 
-x_1194 = lean_ctor_get(x_1187, 1);
-lean_inc(x_1194);
-lean_dec(x_1187);
-x_1195 = 0;
+lean_object* x_583; uint8_t x_584; lean_object* x_585; 
+x_583 = lean_ctor_get(x_576, 1);
+lean_inc(x_583);
+lean_dec(x_576);
+x_584 = 0;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_1);
-x_1196 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_1195, x_1, x_5, x_6, x_7, x_8, x_1194);
-if (lean_obj_tag(x_1196) == 0)
+x_585 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_584, x_1, x_5, x_6, x_7, x_8, x_583);
+if (lean_obj_tag(x_585) == 0)
 {
-lean_object* x_1197; lean_object* x_1198; lean_object* x_1199; 
-x_1197 = lean_ctor_get(x_1196, 0);
-lean_inc(x_1197);
-x_1198 = lean_ctor_get(x_1196, 1);
-lean_inc(x_1198);
-lean_dec(x_1196);
+lean_object* x_586; lean_object* x_587; lean_object* x_588; 
+x_586 = lean_ctor_get(x_585, 0);
+lean_inc(x_586);
+x_587 = lean_ctor_get(x_585, 1);
+lean_inc(x_587);
+lean_dec(x_585);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_2);
-x_1199 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_1195, x_2, x_5, x_6, x_7, x_8, x_1198);
-if (lean_obj_tag(x_1199) == 0)
+x_588 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_584, x_2, x_5, x_6, x_7, x_8, x_587);
+if (lean_obj_tag(x_588) == 0)
 {
-lean_object* x_1200; lean_object* x_1201; uint8_t x_1202; 
-x_1200 = lean_ctor_get(x_1199, 0);
-lean_inc(x_1200);
-x_1201 = lean_ctor_get(x_1199, 1);
-lean_inc(x_1201);
-lean_dec(x_1199);
-x_1202 = lean_expr_eqv(x_1, x_1197);
-if (x_1202 == 0)
+lean_object* x_589; lean_object* x_590; uint8_t x_591; 
+x_589 = lean_ctor_get(x_588, 0);
+lean_inc(x_589);
+x_590 = lean_ctor_get(x_588, 1);
+lean_inc(x_590);
+lean_dec(x_588);
+x_591 = lean_expr_eqv(x_1, x_586);
+if (x_591 == 0)
 {
-lean_object* x_1203; 
+lean_object* x_592; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -83579,41 +79914,17 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1203 = lean_is_expr_def_eq(x_1197, x_1200, x_5, x_6, x_7, x_8, x_1201);
-if (lean_obj_tag(x_1203) == 0)
-{
-lean_object* x_1204; lean_object* x_1205; uint8_t x_1206; 
-x_1204 = lean_ctor_get(x_1203, 0);
-lean_inc(x_1204);
-x_1205 = lean_ctor_get(x_1203, 1);
-lean_inc(x_1205);
-lean_dec(x_1203);
-x_1206 = lean_unbox(x_1204);
-lean_dec(x_1204);
-x_1137 = x_1206;
-x_1138 = x_1205;
-goto block_1144;
+x_592 = lean_is_expr_def_eq(x_586, x_589, x_5, x_6, x_7, x_8, x_590);
+x_545 = x_592;
+goto block_560;
 }
 else
 {
-lean_object* x_1207; lean_object* x_1208; 
-x_1207 = lean_ctor_get(x_1203, 0);
-lean_inc(x_1207);
-x_1208 = lean_ctor_get(x_1203, 1);
-lean_inc(x_1208);
-lean_dec(x_1203);
-x_1145 = x_1207;
-x_1146 = x_1208;
-goto block_1151;
-}
-}
-else
+uint8_t x_593; 
+x_593 = lean_expr_eqv(x_2, x_589);
+if (x_593 == 0)
 {
-uint8_t x_1209; 
-x_1209 = lean_expr_eqv(x_2, x_1200);
-if (x_1209 == 0)
-{
-lean_object* x_1210; 
+lean_object* x_594; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -83621,706 +79932,482 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1210 = lean_is_expr_def_eq(x_1197, x_1200, x_5, x_6, x_7, x_8, x_1201);
-if (lean_obj_tag(x_1210) == 0)
-{
-lean_object* x_1211; lean_object* x_1212; uint8_t x_1213; 
-x_1211 = lean_ctor_get(x_1210, 0);
-lean_inc(x_1211);
-x_1212 = lean_ctor_get(x_1210, 1);
-lean_inc(x_1212);
-lean_dec(x_1210);
-x_1213 = lean_unbox(x_1211);
-lean_dec(x_1211);
-x_1137 = x_1213;
-x_1138 = x_1212;
-goto block_1144;
+x_594 = lean_is_expr_def_eq(x_586, x_589, x_5, x_6, x_7, x_8, x_590);
+x_545 = x_594;
+goto block_560;
 }
 else
 {
-lean_object* x_1214; lean_object* x_1215; 
-x_1214 = lean_ctor_get(x_1210, 0);
-lean_inc(x_1214);
-x_1215 = lean_ctor_get(x_1210, 1);
-lean_inc(x_1215);
-lean_dec(x_1210);
-x_1145 = x_1214;
-x_1146 = x_1215;
-goto block_1151;
-}
-}
-else
-{
-lean_object* x_1216; 
-lean_dec(x_1200);
-lean_dec(x_1197);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_1216 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache(x_5, x_6, x_7, x_8, x_1201);
-if (lean_obj_tag(x_1216) == 0)
-{
-lean_object* x_1217; uint8_t x_1218; 
-x_1217 = lean_ctor_get(x_1216, 0);
-lean_inc(x_1217);
-x_1218 = lean_unbox(x_1217);
-lean_dec(x_1217);
-if (x_1218 == 0)
-{
-lean_object* x_1219; lean_object* x_1220; lean_object* x_1221; lean_object* x_1222; lean_object* x_1223; lean_object* x_1224; lean_object* x_1225; lean_object* x_1226; lean_object* x_1227; lean_object* x_1228; lean_object* x_1229; lean_object* x_1230; lean_object* x_1231; uint8_t x_1232; 
-x_1219 = lean_ctor_get(x_1216, 1);
-lean_inc(x_1219);
-lean_dec(x_1216);
-x_1220 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_1219);
-x_1221 = lean_ctor_get(x_1220, 0);
-lean_inc(x_1221);
-x_1222 = lean_ctor_get(x_1220, 1);
-lean_inc(x_1222);
-lean_dec(x_1220);
-x_1223 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_1222);
-x_1224 = lean_ctor_get(x_1223, 0);
-lean_inc(x_1224);
-x_1225 = lean_ctor_get(x_1223, 1);
-lean_inc(x_1225);
-lean_dec(x_1223);
-x_1226 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_1225);
-x_1227 = lean_ctor_get(x_1226, 0);
-lean_inc(x_1227);
-x_1228 = lean_ctor_get(x_1226, 1);
-lean_inc(x_1228);
-lean_dec(x_1226);
-lean_inc(x_1224);
-lean_inc(x_1221);
-x_1229 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_1221, x_1224);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_1229);
-x_1230 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_1229, x_5, x_6, x_7, x_8, x_1228);
-x_1231 = lean_ctor_get(x_1230, 0);
-lean_inc(x_1231);
-x_1232 = lean_unbox(x_1231);
-lean_dec(x_1231);
-switch (x_1232) {
+lean_object* x_595; lean_object* x_596; lean_object* x_597; lean_object* x_598; lean_object* x_599; lean_object* x_600; lean_object* x_601; lean_object* x_602; lean_object* x_603; lean_object* x_604; lean_object* x_605; lean_object* x_606; uint8_t x_607; 
+lean_dec(x_589);
+lean_dec(x_586);
+x_595 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_1, x_5, x_6, x_7, x_8, x_590);
+x_596 = lean_ctor_get(x_595, 0);
+lean_inc(x_596);
+x_597 = lean_ctor_get(x_595, 1);
+lean_inc(x_597);
+lean_dec(x_595);
+x_598 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(x_2, x_5, x_6, x_7, x_8, x_597);
+x_599 = lean_ctor_get(x_598, 0);
+lean_inc(x_599);
+x_600 = lean_ctor_get(x_598, 1);
+lean_inc(x_600);
+lean_dec(x_598);
+x_601 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_600);
+x_602 = lean_ctor_get(x_601, 0);
+lean_inc(x_602);
+x_603 = lean_ctor_get(x_601, 1);
+lean_inc(x_603);
+lean_dec(x_601);
+lean_inc(x_599);
+lean_inc(x_596);
+x_604 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkCacheKey(x_596, x_599);
+lean_inc(x_604);
+x_605 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult(x_604, x_5, x_6, x_7, x_8, x_603);
+x_606 = lean_ctor_get(x_605, 0);
+lean_inc(x_606);
+x_607 = lean_unbox(x_606);
+lean_dec(x_606);
+switch (x_607) {
 case 0:
 {
-lean_object* x_1233; lean_object* x_1234; lean_object* x_1235; lean_object* x_1236; uint8_t x_1237; lean_object* x_1238; lean_object* x_1256; lean_object* x_1257; lean_object* x_1258; uint8_t x_1259; 
-lean_dec(x_1229);
-lean_dec(x_1227);
-x_1233 = lean_ctor_get(x_1230, 1);
-lean_inc(x_1233);
-if (lean_is_exclusive(x_1230)) {
- lean_ctor_release(x_1230, 0);
- lean_ctor_release(x_1230, 1);
- x_1234 = x_1230;
+lean_object* x_608; lean_object* x_609; lean_object* x_610; lean_object* x_611; uint8_t x_612; lean_object* x_613; lean_object* x_631; lean_object* x_632; lean_object* x_633; uint8_t x_634; 
+lean_dec(x_604);
+lean_dec(x_602);
+x_608 = lean_ctor_get(x_605, 1);
+lean_inc(x_608);
+if (lean_is_exclusive(x_605)) {
+ lean_ctor_release(x_605, 0);
+ lean_ctor_release(x_605, 1);
+ x_609 = x_605;
 } else {
- lean_dec_ref(x_1230);
- x_1234 = lean_box(0);
+ lean_dec_ref(x_605);
+ x_609 = lean_box(0);
 }
-x_1235 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_1236 = l_Lean_Name_str___override(x_3, x_1235);
-x_1256 = lean_st_ref_get(x_8, x_1233);
-x_1257 = lean_ctor_get(x_1256, 0);
-lean_inc(x_1257);
-x_1258 = lean_ctor_get(x_1257, 3);
-lean_inc(x_1258);
-lean_dec(x_1257);
-x_1259 = lean_ctor_get_uint8(x_1258, sizeof(void*)*1);
-lean_dec(x_1258);
-if (x_1259 == 0)
+x_610 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_611 = l_Lean_Name_str___override(x_3, x_610);
+x_631 = lean_st_ref_get(x_8, x_608);
+x_632 = lean_ctor_get(x_631, 0);
+lean_inc(x_632);
+x_633 = lean_ctor_get(x_632, 3);
+lean_inc(x_633);
+lean_dec(x_632);
+x_634 = lean_ctor_get_uint8(x_633, sizeof(void*)*1);
+lean_dec(x_633);
+if (x_634 == 0)
 {
-lean_object* x_1260; 
-x_1260 = lean_ctor_get(x_1256, 1);
-lean_inc(x_1260);
-lean_dec(x_1256);
-x_1237 = x_1195;
-x_1238 = x_1260;
-goto block_1255;
+lean_object* x_635; 
+x_635 = lean_ctor_get(x_631, 1);
+lean_inc(x_635);
+lean_dec(x_631);
+x_612 = x_584;
+x_613 = x_635;
+goto block_630;
 }
 else
 {
-lean_object* x_1261; lean_object* x_1262; lean_object* x_1263; lean_object* x_1264; uint8_t x_1265; 
-x_1261 = lean_ctor_get(x_1256, 1);
-lean_inc(x_1261);
-lean_dec(x_1256);
-lean_inc(x_1236);
-x_1262 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_1236, x_5, x_6, x_7, x_8, x_1261);
-x_1263 = lean_ctor_get(x_1262, 0);
-lean_inc(x_1263);
-x_1264 = lean_ctor_get(x_1262, 1);
-lean_inc(x_1264);
-lean_dec(x_1262);
-x_1265 = lean_unbox(x_1263);
-lean_dec(x_1263);
-x_1237 = x_1265;
-x_1238 = x_1264;
-goto block_1255;
+lean_object* x_636; lean_object* x_637; lean_object* x_638; lean_object* x_639; uint8_t x_640; 
+x_636 = lean_ctor_get(x_631, 1);
+lean_inc(x_636);
+lean_dec(x_631);
+lean_inc(x_611);
+x_637 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_611, x_5, x_6, x_7, x_8, x_636);
+x_638 = lean_ctor_get(x_637, 0);
+lean_inc(x_638);
+x_639 = lean_ctor_get(x_637, 1);
+lean_inc(x_639);
+lean_dec(x_637);
+x_640 = lean_unbox(x_638);
+lean_dec(x_638);
+x_612 = x_640;
+x_613 = x_639;
+goto block_630;
 }
-block_1255:
+block_630:
 {
-if (x_1237 == 0)
+if (x_612 == 0)
 {
-lean_object* x_1239; lean_object* x_1240; 
-lean_dec(x_1236);
-lean_dec(x_1224);
-lean_dec(x_1221);
-x_1239 = lean_box(x_1195);
-if (lean_is_scalar(x_1234)) {
- x_1240 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_614; lean_object* x_615; 
+lean_dec(x_611);
+lean_dec(x_599);
+lean_dec(x_596);
+x_614 = lean_box(x_584);
+if (lean_is_scalar(x_609)) {
+ x_615 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1240 = x_1234;
+ x_615 = x_609;
 }
-lean_ctor_set(x_1240, 0, x_1239);
-lean_ctor_set(x_1240, 1, x_1238);
-x_1152 = x_1240;
-goto block_1167;
+lean_ctor_set(x_615, 0, x_614);
+lean_ctor_set(x_615, 1, x_613);
+x_545 = x_615;
+goto block_560;
 }
 else
 {
-lean_object* x_1241; lean_object* x_1242; lean_object* x_1243; lean_object* x_1244; lean_object* x_1245; lean_object* x_1246; lean_object* x_1247; lean_object* x_1248; lean_object* x_1249; lean_object* x_1250; lean_object* x_1251; lean_object* x_1252; lean_object* x_1253; lean_object* x_1254; 
-lean_dec(x_1234);
-x_1241 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1241, 0, x_1221);
-x_1242 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
-x_1243 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1243, 0, x_1242);
-lean_ctor_set(x_1243, 1, x_1241);
-x_1244 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1245 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1245, 0, x_1243);
-lean_ctor_set(x_1245, 1, x_1244);
-x_1246 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1246, 0, x_1224);
-x_1247 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1247, 0, x_1245);
-lean_ctor_set(x_1247, 1, x_1246);
-x_1248 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1249 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1249, 0, x_1247);
-lean_ctor_set(x_1249, 1, x_1248);
-x_1250 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1236, x_1249, x_5, x_6, x_7, x_8, x_1238);
-x_1251 = lean_ctor_get(x_1250, 1);
-lean_inc(x_1251);
-if (lean_is_exclusive(x_1250)) {
- lean_ctor_release(x_1250, 0);
- lean_ctor_release(x_1250, 1);
- x_1252 = x_1250;
+lean_object* x_616; lean_object* x_617; lean_object* x_618; lean_object* x_619; lean_object* x_620; lean_object* x_621; lean_object* x_622; lean_object* x_623; lean_object* x_624; lean_object* x_625; lean_object* x_626; lean_object* x_627; lean_object* x_628; lean_object* x_629; 
+lean_dec(x_609);
+x_616 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_616, 0, x_596);
+x_617 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__6;
+x_618 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_618, 0, x_617);
+lean_ctor_set(x_618, 1, x_616);
+x_619 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_620 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_620, 0, x_618);
+lean_ctor_set(x_620, 1, x_619);
+x_621 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_621, 0, x_599);
+x_622 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_622, 0, x_620);
+lean_ctor_set(x_622, 1, x_621);
+x_623 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_624 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_624, 0, x_622);
+lean_ctor_set(x_624, 1, x_623);
+x_625 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_611, x_624, x_5, x_6, x_7, x_8, x_613);
+x_626 = lean_ctor_get(x_625, 1);
+lean_inc(x_626);
+if (lean_is_exclusive(x_625)) {
+ lean_ctor_release(x_625, 0);
+ lean_ctor_release(x_625, 1);
+ x_627 = x_625;
 } else {
- lean_dec_ref(x_1250);
- x_1252 = lean_box(0);
+ lean_dec_ref(x_625);
+ x_627 = lean_box(0);
 }
-x_1253 = lean_box(x_1195);
-if (lean_is_scalar(x_1252)) {
- x_1254 = lean_alloc_ctor(0, 2, 0);
+x_628 = lean_box(x_584);
+if (lean_is_scalar(x_627)) {
+ x_629 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1254 = x_1252;
+ x_629 = x_627;
 }
-lean_ctor_set(x_1254, 0, x_1253);
-lean_ctor_set(x_1254, 1, x_1251);
-x_1152 = x_1254;
-goto block_1167;
+lean_ctor_set(x_629, 0, x_628);
+lean_ctor_set(x_629, 1, x_626);
+x_545 = x_629;
+goto block_560;
 }
 }
 }
 case 1:
 {
-lean_object* x_1266; lean_object* x_1267; lean_object* x_1268; lean_object* x_1269; uint8_t x_1270; lean_object* x_1271; lean_object* x_1291; lean_object* x_1292; lean_object* x_1293; uint8_t x_1294; 
-lean_dec(x_1229);
-lean_dec(x_1227);
-x_1266 = lean_ctor_get(x_1230, 1);
-lean_inc(x_1266);
-if (lean_is_exclusive(x_1230)) {
- lean_ctor_release(x_1230, 0);
- lean_ctor_release(x_1230, 1);
- x_1267 = x_1230;
+lean_object* x_641; lean_object* x_642; lean_object* x_643; lean_object* x_644; uint8_t x_645; lean_object* x_646; lean_object* x_666; lean_object* x_667; lean_object* x_668; uint8_t x_669; 
+lean_dec(x_604);
+lean_dec(x_602);
+x_641 = lean_ctor_get(x_605, 1);
+lean_inc(x_641);
+if (lean_is_exclusive(x_605)) {
+ lean_ctor_release(x_605, 0);
+ lean_ctor_release(x_605, 1);
+ x_642 = x_605;
 } else {
- lean_dec_ref(x_1230);
- x_1267 = lean_box(0);
+ lean_dec_ref(x_605);
+ x_642 = lean_box(0);
 }
-x_1268 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_1269 = l_Lean_Name_str___override(x_3, x_1268);
-x_1291 = lean_st_ref_get(x_8, x_1266);
-x_1292 = lean_ctor_get(x_1291, 0);
-lean_inc(x_1292);
-x_1293 = lean_ctor_get(x_1292, 3);
-lean_inc(x_1293);
-lean_dec(x_1292);
-x_1294 = lean_ctor_get_uint8(x_1293, sizeof(void*)*1);
-lean_dec(x_1293);
-if (x_1294 == 0)
+x_643 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_644 = l_Lean_Name_str___override(x_3, x_643);
+x_666 = lean_st_ref_get(x_8, x_641);
+x_667 = lean_ctor_get(x_666, 0);
+lean_inc(x_667);
+x_668 = lean_ctor_get(x_667, 3);
+lean_inc(x_668);
+lean_dec(x_667);
+x_669 = lean_ctor_get_uint8(x_668, sizeof(void*)*1);
+lean_dec(x_668);
+if (x_669 == 0)
 {
-lean_object* x_1295; 
-x_1295 = lean_ctor_get(x_1291, 1);
-lean_inc(x_1295);
-lean_dec(x_1291);
-x_1270 = x_1195;
-x_1271 = x_1295;
-goto block_1290;
+lean_object* x_670; 
+x_670 = lean_ctor_get(x_666, 1);
+lean_inc(x_670);
+lean_dec(x_666);
+x_645 = x_584;
+x_646 = x_670;
+goto block_665;
 }
 else
 {
-lean_object* x_1296; lean_object* x_1297; lean_object* x_1298; lean_object* x_1299; uint8_t x_1300; 
-x_1296 = lean_ctor_get(x_1291, 1);
-lean_inc(x_1296);
-lean_dec(x_1291);
-lean_inc(x_1269);
-x_1297 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_1269, x_5, x_6, x_7, x_8, x_1296);
-x_1298 = lean_ctor_get(x_1297, 0);
-lean_inc(x_1298);
-x_1299 = lean_ctor_get(x_1297, 1);
-lean_inc(x_1299);
-lean_dec(x_1297);
-x_1300 = lean_unbox(x_1298);
-lean_dec(x_1298);
-x_1270 = x_1300;
-x_1271 = x_1299;
-goto block_1290;
+lean_object* x_671; lean_object* x_672; lean_object* x_673; lean_object* x_674; uint8_t x_675; 
+x_671 = lean_ctor_get(x_666, 1);
+lean_inc(x_671);
+lean_dec(x_666);
+lean_inc(x_644);
+x_672 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_644, x_5, x_6, x_7, x_8, x_671);
+x_673 = lean_ctor_get(x_672, 0);
+lean_inc(x_673);
+x_674 = lean_ctor_get(x_672, 1);
+lean_inc(x_674);
+lean_dec(x_672);
+x_675 = lean_unbox(x_673);
+lean_dec(x_673);
+x_645 = x_675;
+x_646 = x_674;
+goto block_665;
 }
-block_1290:
+block_665:
 {
-if (x_1270 == 0)
+if (x_645 == 0)
 {
-uint8_t x_1272; lean_object* x_1273; lean_object* x_1274; 
-lean_dec(x_1269);
-lean_dec(x_1224);
-lean_dec(x_1221);
-x_1272 = 1;
-x_1273 = lean_box(x_1272);
-if (lean_is_scalar(x_1267)) {
- x_1274 = lean_alloc_ctor(0, 2, 0);
+uint8_t x_647; lean_object* x_648; lean_object* x_649; 
+lean_dec(x_644);
+lean_dec(x_599);
+lean_dec(x_596);
+x_647 = 1;
+x_648 = lean_box(x_647);
+if (lean_is_scalar(x_642)) {
+ x_649 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1274 = x_1267;
+ x_649 = x_642;
 }
-lean_ctor_set(x_1274, 0, x_1273);
-lean_ctor_set(x_1274, 1, x_1271);
-x_1152 = x_1274;
-goto block_1167;
+lean_ctor_set(x_649, 0, x_648);
+lean_ctor_set(x_649, 1, x_646);
+x_545 = x_649;
+goto block_560;
 }
 else
 {
-lean_object* x_1275; lean_object* x_1276; lean_object* x_1277; lean_object* x_1278; lean_object* x_1279; lean_object* x_1280; lean_object* x_1281; lean_object* x_1282; lean_object* x_1283; lean_object* x_1284; lean_object* x_1285; lean_object* x_1286; uint8_t x_1287; lean_object* x_1288; lean_object* x_1289; 
-lean_dec(x_1267);
-x_1275 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1275, 0, x_1221);
-x_1276 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
-x_1277 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1277, 0, x_1276);
-lean_ctor_set(x_1277, 1, x_1275);
-x_1278 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1279 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1279, 0, x_1277);
-lean_ctor_set(x_1279, 1, x_1278);
-x_1280 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1280, 0, x_1224);
-x_1281 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1281, 0, x_1279);
-lean_ctor_set(x_1281, 1, x_1280);
-x_1282 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1283 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1283, 0, x_1281);
-lean_ctor_set(x_1283, 1, x_1282);
-x_1284 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1269, x_1283, x_5, x_6, x_7, x_8, x_1271);
-x_1285 = lean_ctor_get(x_1284, 1);
-lean_inc(x_1285);
-if (lean_is_exclusive(x_1284)) {
- lean_ctor_release(x_1284, 0);
- lean_ctor_release(x_1284, 1);
- x_1286 = x_1284;
+lean_object* x_650; lean_object* x_651; lean_object* x_652; lean_object* x_653; lean_object* x_654; lean_object* x_655; lean_object* x_656; lean_object* x_657; lean_object* x_658; lean_object* x_659; lean_object* x_660; lean_object* x_661; uint8_t x_662; lean_object* x_663; lean_object* x_664; 
+lean_dec(x_642);
+x_650 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_650, 0, x_596);
+x_651 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__8;
+x_652 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_652, 0, x_651);
+lean_ctor_set(x_652, 1, x_650);
+x_653 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_654 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_654, 0, x_652);
+lean_ctor_set(x_654, 1, x_653);
+x_655 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_655, 0, x_599);
+x_656 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_656, 0, x_654);
+lean_ctor_set(x_656, 1, x_655);
+x_657 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_658 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_658, 0, x_656);
+lean_ctor_set(x_658, 1, x_657);
+x_659 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_644, x_658, x_5, x_6, x_7, x_8, x_646);
+x_660 = lean_ctor_get(x_659, 1);
+lean_inc(x_660);
+if (lean_is_exclusive(x_659)) {
+ lean_ctor_release(x_659, 0);
+ lean_ctor_release(x_659, 1);
+ x_661 = x_659;
 } else {
- lean_dec_ref(x_1284);
- x_1286 = lean_box(0);
+ lean_dec_ref(x_659);
+ x_661 = lean_box(0);
 }
-x_1287 = 1;
-x_1288 = lean_box(x_1287);
-if (lean_is_scalar(x_1286)) {
- x_1289 = lean_alloc_ctor(0, 2, 0);
+x_662 = 1;
+x_663 = lean_box(x_662);
+if (lean_is_scalar(x_661)) {
+ x_664 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1289 = x_1286;
+ x_664 = x_661;
 }
-lean_ctor_set(x_1289, 0, x_1288);
-lean_ctor_set(x_1289, 1, x_1285);
-x_1152 = x_1289;
-goto block_1167;
+lean_ctor_set(x_664, 0, x_663);
+lean_ctor_set(x_664, 1, x_660);
+x_545 = x_664;
+goto block_560;
 }
 }
 }
 default: 
 {
-lean_object* x_1301; lean_object* x_1302; lean_object* x_1303; lean_object* x_1304; lean_object* x_1305; lean_object* x_1306; lean_object* x_1307; uint8_t x_1308; uint8_t x_1309; lean_object* x_1310; lean_object* x_1365; lean_object* x_1366; lean_object* x_1415; lean_object* x_1416; lean_object* x_1417; lean_object* x_1418; lean_object* x_1419; lean_object* x_1420; lean_object* x_1421; lean_object* x_1422; lean_object* x_1423; lean_object* x_1424; lean_object* x_1425; lean_object* x_1426; lean_object* x_1427; lean_object* x_1428; lean_object* x_1429; lean_object* x_1430; lean_object* x_1431; lean_object* x_1432; lean_object* x_1433; lean_object* x_1434; lean_object* x_1435; lean_object* x_1436; lean_object* x_1437; lean_object* x_1438; 
-x_1301 = lean_ctor_get(x_1230, 1);
-lean_inc(x_1301);
-lean_dec(x_1230);
-x_1302 = lean_st_ref_get(x_8, x_1301);
-x_1303 = lean_ctor_get(x_1302, 1);
-lean_inc(x_1303);
-lean_dec(x_1302);
-x_1304 = lean_st_ref_get(x_6, x_1303);
-x_1305 = lean_ctor_get(x_1304, 0);
-lean_inc(x_1305);
-x_1306 = lean_ctor_get(x_1304, 1);
-lean_inc(x_1306);
-lean_dec(x_1304);
-x_1307 = lean_ctor_get(x_1305, 0);
-lean_inc(x_1307);
-lean_dec(x_1305);
-x_1308 = lean_ctor_get_uint8(x_1307, sizeof(void*)*8);
-lean_dec(x_1307);
-x_1415 = lean_st_ref_get(x_8, x_1306);
-x_1416 = lean_ctor_get(x_1415, 1);
-lean_inc(x_1416);
-lean_dec(x_1415);
-x_1417 = lean_st_ref_take(x_6, x_1416);
-x_1418 = lean_ctor_get(x_1417, 0);
-lean_inc(x_1418);
-x_1419 = lean_ctor_get(x_1418, 0);
-lean_inc(x_1419);
-x_1420 = lean_ctor_get(x_1417, 1);
-lean_inc(x_1420);
-lean_dec(x_1417);
-x_1421 = lean_ctor_get(x_1418, 1);
-lean_inc(x_1421);
-x_1422 = lean_ctor_get(x_1418, 2);
-lean_inc(x_1422);
-x_1423 = lean_ctor_get(x_1418, 3);
-lean_inc(x_1423);
-if (lean_is_exclusive(x_1418)) {
- lean_ctor_release(x_1418, 0);
- lean_ctor_release(x_1418, 1);
- lean_ctor_release(x_1418, 2);
- lean_ctor_release(x_1418, 3);
- x_1424 = x_1418;
-} else {
- lean_dec_ref(x_1418);
- x_1424 = lean_box(0);
-}
-x_1425 = lean_ctor_get(x_1419, 0);
-lean_inc(x_1425);
-x_1426 = lean_ctor_get(x_1419, 1);
-lean_inc(x_1426);
-x_1427 = lean_ctor_get(x_1419, 2);
-lean_inc(x_1427);
-x_1428 = lean_ctor_get(x_1419, 3);
-lean_inc(x_1428);
-x_1429 = lean_ctor_get(x_1419, 4);
-lean_inc(x_1429);
-x_1430 = lean_ctor_get(x_1419, 5);
-lean_inc(x_1430);
-x_1431 = lean_ctor_get(x_1419, 6);
-lean_inc(x_1431);
-x_1432 = lean_ctor_get(x_1419, 7);
-lean_inc(x_1432);
-if (lean_is_exclusive(x_1419)) {
- lean_ctor_release(x_1419, 0);
- lean_ctor_release(x_1419, 1);
- lean_ctor_release(x_1419, 2);
- lean_ctor_release(x_1419, 3);
- lean_ctor_release(x_1419, 4);
- lean_ctor_release(x_1419, 5);
- lean_ctor_release(x_1419, 6);
- lean_ctor_release(x_1419, 7);
- x_1433 = x_1419;
-} else {
- lean_dec_ref(x_1419);
- x_1433 = lean_box(0);
-}
-if (lean_is_scalar(x_1433)) {
- x_1434 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1434 = x_1433;
-}
-lean_ctor_set(x_1434, 0, x_1425);
-lean_ctor_set(x_1434, 1, x_1426);
-lean_ctor_set(x_1434, 2, x_1427);
-lean_ctor_set(x_1434, 3, x_1428);
-lean_ctor_set(x_1434, 4, x_1429);
-lean_ctor_set(x_1434, 5, x_1430);
-lean_ctor_set(x_1434, 6, x_1431);
-lean_ctor_set(x_1434, 7, x_1432);
-lean_ctor_set_uint8(x_1434, sizeof(void*)*8, x_1195);
-if (lean_is_scalar(x_1424)) {
- x_1435 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1435 = x_1424;
-}
-lean_ctor_set(x_1435, 0, x_1434);
-lean_ctor_set(x_1435, 1, x_1421);
-lean_ctor_set(x_1435, 2, x_1422);
-lean_ctor_set(x_1435, 3, x_1423);
-x_1436 = lean_st_ref_set(x_6, x_1435, x_1420);
-x_1437 = lean_ctor_get(x_1436, 1);
-lean_inc(x_1437);
-lean_dec(x_1436);
+lean_object* x_676; lean_object* x_677; 
+x_676 = lean_ctor_get(x_605, 1);
+lean_inc(x_676);
+lean_dec(x_605);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_1224);
-lean_inc(x_1221);
-x_1438 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_1221, x_1224, x_5, x_6, x_7, x_8, x_1437);
-if (lean_obj_tag(x_1438) == 0)
+lean_inc(x_599);
+lean_inc(x_596);
+x_677 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_596, x_599, x_5, x_6, x_7, x_8, x_676);
+if (lean_obj_tag(x_677) == 0)
 {
-lean_object* x_1439; lean_object* x_1440; lean_object* x_1441; lean_object* x_1442; lean_object* x_1443; lean_object* x_1444; lean_object* x_1445; lean_object* x_1446; lean_object* x_1447; lean_object* x_1448; lean_object* x_1449; lean_object* x_1450; uint8_t x_1451; 
-x_1439 = lean_ctor_get(x_1438, 0);
-lean_inc(x_1439);
-x_1440 = lean_ctor_get(x_1438, 1);
-lean_inc(x_1440);
-lean_dec(x_1438);
-x_1441 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_1440);
-x_1442 = lean_ctor_get(x_1441, 0);
-lean_inc(x_1442);
-x_1443 = lean_ctor_get(x_1441, 1);
-lean_inc(x_1443);
-lean_dec(x_1441);
-x_1444 = lean_st_ref_get(x_8, x_1443);
-x_1445 = lean_ctor_get(x_1444, 1);
-lean_inc(x_1445);
-lean_dec(x_1444);
-x_1446 = lean_st_ref_get(x_6, x_1445);
-x_1447 = lean_ctor_get(x_1446, 0);
-lean_inc(x_1447);
-x_1448 = lean_ctor_get(x_1446, 1);
-lean_inc(x_1448);
-lean_dec(x_1446);
-x_1449 = lean_ctor_get(x_1447, 0);
-lean_inc(x_1449);
-lean_dec(x_1447);
-lean_inc(x_1439);
-x_1450 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
-lean_closure_set(x_1450, 0, x_1439);
-x_1451 = lean_nat_dec_eq(x_1227, x_1442);
-lean_dec(x_1442);
-lean_dec(x_1227);
-if (x_1451 == 0)
+lean_object* x_678; lean_object* x_679; lean_object* x_680; lean_object* x_681; lean_object* x_682; lean_object* x_683; lean_object* x_684; uint8_t x_685; 
+x_678 = lean_ctor_get(x_677, 0);
+lean_inc(x_678);
+x_679 = lean_ctor_get(x_677, 1);
+lean_inc(x_679);
+lean_dec(x_677);
+x_680 = l_Lean_Meta_getNumPostponed___rarg(x_6, x_7, x_8, x_679);
+x_681 = lean_ctor_get(x_680, 0);
+lean_inc(x_681);
+x_682 = lean_ctor_get(x_680, 1);
+lean_inc(x_682);
+if (lean_is_exclusive(x_680)) {
+ lean_ctor_release(x_680, 0);
+ lean_ctor_release(x_680, 1);
+ x_683 = x_680;
+} else {
+ lean_dec_ref(x_680);
+ x_683 = lean_box(0);
+}
+lean_inc(x_678);
+x_684 = lean_alloc_closure((void*)(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic___spec__1___lambda__1___boxed), 7, 1);
+lean_closure_set(x_684, 0, x_678);
+x_685 = lean_nat_dec_eq(x_602, x_681);
+lean_dec(x_681);
+lean_dec(x_602);
+if (x_685 == 0)
 {
-uint8_t x_1452; 
-lean_dec(x_1450);
-lean_dec(x_1449);
-lean_dec(x_1229);
-lean_dec(x_1224);
-lean_dec(x_1221);
+lean_object* x_686; 
+lean_dec(x_684);
+lean_dec(x_604);
+lean_dec(x_599);
+lean_dec(x_596);
 lean_dec(x_3);
-x_1452 = lean_unbox(x_1439);
-lean_dec(x_1439);
-x_1309 = x_1452;
-x_1310 = x_1448;
-goto block_1364;
+if (lean_is_scalar(x_683)) {
+ x_686 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_686 = x_683;
+}
+lean_ctor_set(x_686, 0, x_678);
+lean_ctor_set(x_686, 1, x_682);
+x_545 = x_686;
+goto block_560;
 }
 else
 {
-uint8_t x_1453; 
-x_1453 = lean_ctor_get_uint8(x_1449, sizeof(void*)*8);
-lean_dec(x_1449);
-if (x_1453 == 0)
+lean_object* x_687; lean_object* x_688; uint8_t x_689; lean_object* x_690; lean_object* x_722; lean_object* x_723; lean_object* x_724; uint8_t x_725; 
+lean_dec(x_683);
+x_687 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
+x_688 = l_Lean_Name_str___override(x_3, x_687);
+x_722 = lean_st_ref_get(x_8, x_682);
+x_723 = lean_ctor_get(x_722, 0);
+lean_inc(x_723);
+x_724 = lean_ctor_get(x_723, 3);
+lean_inc(x_724);
+lean_dec(x_723);
+x_725 = lean_ctor_get_uint8(x_724, sizeof(void*)*1);
+lean_dec(x_724);
+if (x_725 == 0)
 {
-lean_object* x_1454; lean_object* x_1455; uint8_t x_1456; lean_object* x_1457; lean_object* x_1504; lean_object* x_1505; lean_object* x_1506; uint8_t x_1507; 
-x_1454 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
-x_1455 = l_Lean_Name_str___override(x_3, x_1454);
-x_1504 = lean_st_ref_get(x_8, x_1448);
-x_1505 = lean_ctor_get(x_1504, 0);
-lean_inc(x_1505);
-x_1506 = lean_ctor_get(x_1505, 3);
-lean_inc(x_1506);
-lean_dec(x_1505);
-x_1507 = lean_ctor_get_uint8(x_1506, sizeof(void*)*1);
-lean_dec(x_1506);
-if (x_1507 == 0)
-{
-lean_object* x_1508; 
-x_1508 = lean_ctor_get(x_1504, 1);
-lean_inc(x_1508);
-lean_dec(x_1504);
-x_1456 = x_1195;
-x_1457 = x_1508;
-goto block_1503;
+lean_object* x_726; 
+x_726 = lean_ctor_get(x_722, 1);
+lean_inc(x_726);
+lean_dec(x_722);
+x_689 = x_584;
+x_690 = x_726;
+goto block_721;
 }
 else
 {
-lean_object* x_1509; lean_object* x_1510; lean_object* x_1511; lean_object* x_1512; uint8_t x_1513; 
-x_1509 = lean_ctor_get(x_1504, 1);
-lean_inc(x_1509);
-lean_dec(x_1504);
-lean_inc(x_1455);
-x_1510 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_1455, x_5, x_6, x_7, x_8, x_1509);
-x_1511 = lean_ctor_get(x_1510, 0);
-lean_inc(x_1511);
-x_1512 = lean_ctor_get(x_1510, 1);
-lean_inc(x_1512);
-lean_dec(x_1510);
-x_1513 = lean_unbox(x_1511);
-lean_dec(x_1511);
-x_1456 = x_1513;
-x_1457 = x_1512;
-goto block_1503;
+lean_object* x_727; lean_object* x_728; lean_object* x_729; lean_object* x_730; uint8_t x_731; 
+x_727 = lean_ctor_get(x_722, 1);
+lean_inc(x_727);
+lean_dec(x_722);
+lean_inc(x_688);
+x_728 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_688, x_5, x_6, x_7, x_8, x_727);
+x_729 = lean_ctor_get(x_728, 0);
+lean_inc(x_729);
+x_730 = lean_ctor_get(x_728, 1);
+lean_inc(x_730);
+lean_dec(x_728);
+x_731 = lean_unbox(x_729);
+lean_dec(x_729);
+x_689 = x_731;
+x_690 = x_730;
+goto block_721;
 }
-block_1503:
+block_721:
 {
-if (x_1456 == 0)
+if (x_689 == 0)
 {
-lean_object* x_1458; uint8_t x_1459; lean_object* x_1460; 
-lean_dec(x_1455);
-lean_dec(x_1224);
-lean_dec(x_1221);
-x_1458 = lean_box(0);
-x_1459 = lean_unbox(x_1439);
-lean_dec(x_1439);
+lean_object* x_691; uint8_t x_692; lean_object* x_693; 
+lean_dec(x_688);
+lean_dec(x_599);
+lean_dec(x_596);
+x_691 = lean_box(0);
+x_692 = lean_unbox(x_678);
+lean_dec(x_678);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1460 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_1229, x_1459, x_1450, x_1458, x_5, x_6, x_7, x_8, x_1457);
-if (lean_obj_tag(x_1460) == 0)
-{
-lean_object* x_1461; lean_object* x_1462; uint8_t x_1463; 
-x_1461 = lean_ctor_get(x_1460, 0);
-lean_inc(x_1461);
-x_1462 = lean_ctor_get(x_1460, 1);
-lean_inc(x_1462);
-lean_dec(x_1460);
-x_1463 = lean_unbox(x_1461);
-lean_dec(x_1461);
-x_1309 = x_1463;
-x_1310 = x_1462;
-goto block_1364;
+x_693 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_604, x_692, x_684, x_691, x_5, x_6, x_7, x_8, x_690);
+x_545 = x_693;
+goto block_560;
 }
 else
 {
-lean_object* x_1464; lean_object* x_1465; 
-x_1464 = lean_ctor_get(x_1460, 0);
-lean_inc(x_1464);
-x_1465 = lean_ctor_get(x_1460, 1);
-lean_inc(x_1465);
-lean_dec(x_1460);
-x_1365 = x_1464;
-x_1366 = x_1465;
-goto block_1414;
-}
-}
-else
+lean_object* x_694; lean_object* x_695; uint8_t x_696; 
+x_694 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_694, 0, x_596);
+x_695 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_695, 0, x_599);
+x_696 = lean_unbox(x_678);
+if (x_696 == 0)
 {
-lean_object* x_1466; lean_object* x_1467; uint8_t x_1468; 
-x_1466 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1466, 0, x_1221);
-x_1467 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_1467, 0, x_1224);
-x_1468 = lean_unbox(x_1439);
-if (x_1468 == 0)
-{
-lean_object* x_1469; lean_object* x_1470; lean_object* x_1471; lean_object* x_1472; lean_object* x_1473; lean_object* x_1474; lean_object* x_1475; lean_object* x_1476; lean_object* x_1477; lean_object* x_1478; uint8_t x_1479; lean_object* x_1480; 
-x_1469 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
-x_1470 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1470, 0, x_1469);
-lean_ctor_set(x_1470, 1, x_1466);
-x_1471 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1472 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1472, 0, x_1470);
-lean_ctor_set(x_1472, 1, x_1471);
-x_1473 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1473, 0, x_1472);
-lean_ctor_set(x_1473, 1, x_1467);
-x_1474 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1475 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1475, 0, x_1473);
-lean_ctor_set(x_1475, 1, x_1474);
-x_1476 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1455, x_1475, x_5, x_6, x_7, x_8, x_1457);
-x_1477 = lean_ctor_get(x_1476, 0);
-lean_inc(x_1477);
-x_1478 = lean_ctor_get(x_1476, 1);
-lean_inc(x_1478);
-lean_dec(x_1476);
-x_1479 = lean_unbox(x_1439);
-lean_dec(x_1439);
+lean_object* x_697; lean_object* x_698; lean_object* x_699; lean_object* x_700; lean_object* x_701; lean_object* x_702; lean_object* x_703; lean_object* x_704; lean_object* x_705; lean_object* x_706; uint8_t x_707; lean_object* x_708; 
+x_697 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
+x_698 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_698, 0, x_697);
+lean_ctor_set(x_698, 1, x_694);
+x_699 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_700 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_700, 0, x_698);
+lean_ctor_set(x_700, 1, x_699);
+x_701 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_701, 0, x_700);
+lean_ctor_set(x_701, 1, x_695);
+x_702 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_703 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_703, 0, x_701);
+lean_ctor_set(x_703, 1, x_702);
+x_704 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_688, x_703, x_5, x_6, x_7, x_8, x_690);
+x_705 = lean_ctor_get(x_704, 0);
+lean_inc(x_705);
+x_706 = lean_ctor_get(x_704, 1);
+lean_inc(x_706);
+lean_dec(x_704);
+x_707 = lean_unbox(x_678);
+lean_dec(x_678);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1480 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_1229, x_1479, x_1450, x_1477, x_5, x_6, x_7, x_8, x_1478);
-lean_dec(x_1477);
-if (lean_obj_tag(x_1480) == 0)
-{
-lean_object* x_1481; lean_object* x_1482; uint8_t x_1483; 
-x_1481 = lean_ctor_get(x_1480, 0);
-lean_inc(x_1481);
-x_1482 = lean_ctor_get(x_1480, 1);
-lean_inc(x_1482);
-lean_dec(x_1480);
-x_1483 = lean_unbox(x_1481);
-lean_dec(x_1481);
-x_1309 = x_1483;
-x_1310 = x_1482;
-goto block_1364;
+x_708 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_604, x_707, x_684, x_705, x_5, x_6, x_7, x_8, x_706);
+lean_dec(x_705);
+x_545 = x_708;
+goto block_560;
 }
 else
 {
-lean_object* x_1484; lean_object* x_1485; 
-x_1484 = lean_ctor_get(x_1480, 0);
-lean_inc(x_1484);
-x_1485 = lean_ctor_get(x_1480, 1);
-lean_inc(x_1485);
-lean_dec(x_1480);
-x_1365 = x_1484;
-x_1366 = x_1485;
-goto block_1414;
-}
-}
-else
-{
-lean_object* x_1486; lean_object* x_1487; lean_object* x_1488; lean_object* x_1489; lean_object* x_1490; lean_object* x_1491; lean_object* x_1492; lean_object* x_1493; lean_object* x_1494; lean_object* x_1495; uint8_t x_1496; lean_object* x_1497; 
-x_1486 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
-x_1487 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1487, 0, x_1486);
-lean_ctor_set(x_1487, 1, x_1466);
-x_1488 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
-x_1489 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1489, 0, x_1487);
-lean_ctor_set(x_1489, 1, x_1488);
-x_1490 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1490, 0, x_1489);
-lean_ctor_set(x_1490, 1, x_1467);
-x_1491 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_1492 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_1492, 0, x_1490);
-lean_ctor_set(x_1492, 1, x_1491);
-x_1493 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_1455, x_1492, x_5, x_6, x_7, x_8, x_1457);
-x_1494 = lean_ctor_get(x_1493, 0);
-lean_inc(x_1494);
-x_1495 = lean_ctor_get(x_1493, 1);
-lean_inc(x_1495);
-lean_dec(x_1493);
-x_1496 = lean_unbox(x_1439);
-lean_dec(x_1439);
+lean_object* x_709; lean_object* x_710; lean_object* x_711; lean_object* x_712; lean_object* x_713; lean_object* x_714; lean_object* x_715; lean_object* x_716; lean_object* x_717; lean_object* x_718; uint8_t x_719; lean_object* x_720; 
+x_709 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
+x_710 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_710, 0, x_709);
+lean_ctor_set(x_710, 1, x_694);
+x_711 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_712 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_712, 0, x_710);
+lean_ctor_set(x_712, 1, x_711);
+x_713 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_713, 0, x_712);
+lean_ctor_set(x_713, 1, x_695);
+x_714 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_715 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_715, 0, x_713);
+lean_ctor_set(x_715, 1, x_714);
+x_716 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_688, x_715, x_5, x_6, x_7, x_8, x_690);
+x_717 = lean_ctor_get(x_716, 0);
+lean_inc(x_717);
+x_718 = lean_ctor_get(x_716, 1);
+lean_inc(x_718);
+lean_dec(x_716);
+x_719 = lean_unbox(x_678);
+lean_dec(x_678);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_1497 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_1229, x_1496, x_1450, x_1494, x_5, x_6, x_7, x_8, x_1495);
-lean_dec(x_1494);
-if (lean_obj_tag(x_1497) == 0)
-{
-lean_object* x_1498; lean_object* x_1499; uint8_t x_1500; 
-x_1498 = lean_ctor_get(x_1497, 0);
-lean_inc(x_1498);
-x_1499 = lean_ctor_get(x_1497, 1);
-lean_inc(x_1499);
-lean_dec(x_1497);
-x_1500 = lean_unbox(x_1498);
-lean_dec(x_1498);
-x_1309 = x_1500;
-x_1310 = x_1499;
-goto block_1364;
-}
-else
-{
-lean_object* x_1501; lean_object* x_1502; 
-x_1501 = lean_ctor_get(x_1497, 0);
-lean_inc(x_1501);
-x_1502 = lean_ctor_get(x_1497, 1);
-lean_inc(x_1502);
-lean_dec(x_1497);
-x_1365 = x_1501;
-x_1366 = x_1502;
-goto block_1414;
+x_720 = l_Lean_Meta_isExprDefEqAuxImpl___lambda__1(x_604, x_719, x_684, x_717, x_5, x_6, x_7, x_8, x_718);
+lean_dec(x_717);
+x_545 = x_720;
+goto block_560;
 }
 }
 }
@@ -84328,461 +80415,34 @@ goto block_1414;
 }
 else
 {
-uint8_t x_1514; 
-lean_dec(x_1450);
-lean_dec(x_1229);
-lean_dec(x_1224);
-lean_dec(x_1221);
+lean_object* x_732; lean_object* x_733; lean_object* x_734; lean_object* x_735; 
+lean_dec(x_604);
+lean_dec(x_602);
+lean_dec(x_599);
+lean_dec(x_596);
 lean_dec(x_3);
-x_1514 = lean_unbox(x_1439);
-lean_dec(x_1439);
-x_1309 = x_1514;
-x_1310 = x_1448;
-goto block_1364;
-}
-}
-}
-else
-{
-lean_object* x_1515; lean_object* x_1516; 
-lean_dec(x_1229);
-lean_dec(x_1227);
-lean_dec(x_1224);
-lean_dec(x_1221);
-lean_dec(x_3);
-x_1515 = lean_ctor_get(x_1438, 0);
-lean_inc(x_1515);
-x_1516 = lean_ctor_get(x_1438, 1);
-lean_inc(x_1516);
-lean_dec(x_1438);
-x_1365 = x_1515;
-x_1366 = x_1516;
-goto block_1414;
-}
-block_1364:
-{
-lean_object* x_1311; lean_object* x_1312; lean_object* x_1313; lean_object* x_1314; lean_object* x_1315; 
-x_1311 = lean_st_ref_get(x_8, x_1310);
-x_1312 = lean_ctor_get(x_1311, 1);
-lean_inc(x_1312);
-lean_dec(x_1311);
-x_1313 = lean_st_ref_take(x_6, x_1312);
-x_1314 = lean_ctor_get(x_1313, 0);
-lean_inc(x_1314);
-x_1315 = lean_ctor_get(x_1314, 0);
-lean_inc(x_1315);
-if (x_1308 == 0)
-{
-lean_object* x_1316; lean_object* x_1317; lean_object* x_1318; lean_object* x_1319; lean_object* x_1320; lean_object* x_1321; lean_object* x_1322; lean_object* x_1323; lean_object* x_1324; lean_object* x_1325; lean_object* x_1326; lean_object* x_1327; lean_object* x_1328; uint8_t x_1329; lean_object* x_1330; lean_object* x_1331; lean_object* x_1332; lean_object* x_1333; lean_object* x_1334; lean_object* x_1335; lean_object* x_1336; lean_object* x_1337; lean_object* x_1338; lean_object* x_1339; 
-x_1316 = lean_ctor_get(x_1313, 1);
-lean_inc(x_1316);
-lean_dec(x_1313);
-x_1317 = lean_ctor_get(x_1314, 1);
-lean_inc(x_1317);
-x_1318 = lean_ctor_get(x_1314, 2);
-lean_inc(x_1318);
-x_1319 = lean_ctor_get(x_1314, 3);
-lean_inc(x_1319);
-if (lean_is_exclusive(x_1314)) {
- lean_ctor_release(x_1314, 0);
- lean_ctor_release(x_1314, 1);
- lean_ctor_release(x_1314, 2);
- lean_ctor_release(x_1314, 3);
- x_1320 = x_1314;
+x_732 = lean_ctor_get(x_677, 0);
+lean_inc(x_732);
+x_733 = lean_ctor_get(x_677, 1);
+lean_inc(x_733);
+if (lean_is_exclusive(x_677)) {
+ lean_ctor_release(x_677, 0);
+ lean_ctor_release(x_677, 1);
+ x_734 = x_677;
 } else {
- lean_dec_ref(x_1314);
- x_1320 = lean_box(0);
+ lean_dec_ref(x_677);
+ x_734 = lean_box(0);
 }
-x_1321 = lean_ctor_get(x_1315, 0);
-lean_inc(x_1321);
-x_1322 = lean_ctor_get(x_1315, 1);
-lean_inc(x_1322);
-x_1323 = lean_ctor_get(x_1315, 2);
-lean_inc(x_1323);
-x_1324 = lean_ctor_get(x_1315, 3);
-lean_inc(x_1324);
-x_1325 = lean_ctor_get(x_1315, 4);
-lean_inc(x_1325);
-x_1326 = lean_ctor_get(x_1315, 5);
-lean_inc(x_1326);
-x_1327 = lean_ctor_get(x_1315, 6);
-lean_inc(x_1327);
-x_1328 = lean_ctor_get(x_1315, 7);
-lean_inc(x_1328);
-x_1329 = lean_ctor_get_uint8(x_1315, sizeof(void*)*8);
-if (lean_is_exclusive(x_1315)) {
- lean_ctor_release(x_1315, 0);
- lean_ctor_release(x_1315, 1);
- lean_ctor_release(x_1315, 2);
- lean_ctor_release(x_1315, 3);
- lean_ctor_release(x_1315, 4);
- lean_ctor_release(x_1315, 5);
- lean_ctor_release(x_1315, 6);
- lean_ctor_release(x_1315, 7);
- x_1330 = x_1315;
+if (lean_is_scalar(x_734)) {
+ x_735 = lean_alloc_ctor(1, 2, 0);
 } else {
- lean_dec_ref(x_1315);
- x_1330 = lean_box(0);
+ x_735 = x_734;
 }
-if (lean_is_scalar(x_1330)) {
- x_1331 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1331 = x_1330;
+lean_ctor_set(x_735, 0, x_732);
+lean_ctor_set(x_735, 1, x_733);
+x_545 = x_735;
+goto block_560;
 }
-lean_ctor_set(x_1331, 0, x_1321);
-lean_ctor_set(x_1331, 1, x_1322);
-lean_ctor_set(x_1331, 2, x_1323);
-lean_ctor_set(x_1331, 3, x_1324);
-lean_ctor_set(x_1331, 4, x_1325);
-lean_ctor_set(x_1331, 5, x_1326);
-lean_ctor_set(x_1331, 6, x_1327);
-lean_ctor_set(x_1331, 7, x_1328);
-lean_ctor_set_uint8(x_1331, sizeof(void*)*8, x_1329);
-if (lean_is_scalar(x_1320)) {
- x_1332 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1332 = x_1320;
-}
-lean_ctor_set(x_1332, 0, x_1331);
-lean_ctor_set(x_1332, 1, x_1317);
-lean_ctor_set(x_1332, 2, x_1318);
-lean_ctor_set(x_1332, 3, x_1319);
-x_1333 = lean_st_ref_set(x_6, x_1332, x_1316);
-x_1334 = lean_ctor_get(x_1333, 1);
-lean_inc(x_1334);
-if (lean_is_exclusive(x_1333)) {
- lean_ctor_release(x_1333, 0);
- lean_ctor_release(x_1333, 1);
- x_1335 = x_1333;
-} else {
- lean_dec_ref(x_1333);
- x_1335 = lean_box(0);
-}
-x_1336 = lean_box(0);
-x_1337 = lean_box(x_1309);
-x_1338 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1338, 0, x_1337);
-lean_ctor_set(x_1338, 1, x_1336);
-if (lean_is_scalar(x_1335)) {
- x_1339 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_1339 = x_1335;
-}
-lean_ctor_set(x_1339, 0, x_1338);
-lean_ctor_set(x_1339, 1, x_1334);
-x_1168 = x_1339;
-goto block_1178;
-}
-else
-{
-lean_object* x_1340; lean_object* x_1341; lean_object* x_1342; lean_object* x_1343; lean_object* x_1344; lean_object* x_1345; lean_object* x_1346; lean_object* x_1347; lean_object* x_1348; lean_object* x_1349; lean_object* x_1350; lean_object* x_1351; lean_object* x_1352; lean_object* x_1353; uint8_t x_1354; lean_object* x_1355; lean_object* x_1356; lean_object* x_1357; lean_object* x_1358; lean_object* x_1359; lean_object* x_1360; lean_object* x_1361; lean_object* x_1362; lean_object* x_1363; 
-x_1340 = lean_ctor_get(x_1313, 1);
-lean_inc(x_1340);
-lean_dec(x_1313);
-x_1341 = lean_ctor_get(x_1314, 1);
-lean_inc(x_1341);
-x_1342 = lean_ctor_get(x_1314, 2);
-lean_inc(x_1342);
-x_1343 = lean_ctor_get(x_1314, 3);
-lean_inc(x_1343);
-if (lean_is_exclusive(x_1314)) {
- lean_ctor_release(x_1314, 0);
- lean_ctor_release(x_1314, 1);
- lean_ctor_release(x_1314, 2);
- lean_ctor_release(x_1314, 3);
- x_1344 = x_1314;
-} else {
- lean_dec_ref(x_1314);
- x_1344 = lean_box(0);
-}
-x_1345 = lean_ctor_get(x_1315, 0);
-lean_inc(x_1345);
-x_1346 = lean_ctor_get(x_1315, 1);
-lean_inc(x_1346);
-x_1347 = lean_ctor_get(x_1315, 2);
-lean_inc(x_1347);
-x_1348 = lean_ctor_get(x_1315, 3);
-lean_inc(x_1348);
-x_1349 = lean_ctor_get(x_1315, 4);
-lean_inc(x_1349);
-x_1350 = lean_ctor_get(x_1315, 5);
-lean_inc(x_1350);
-x_1351 = lean_ctor_get(x_1315, 6);
-lean_inc(x_1351);
-x_1352 = lean_ctor_get(x_1315, 7);
-lean_inc(x_1352);
-if (lean_is_exclusive(x_1315)) {
- lean_ctor_release(x_1315, 0);
- lean_ctor_release(x_1315, 1);
- lean_ctor_release(x_1315, 2);
- lean_ctor_release(x_1315, 3);
- lean_ctor_release(x_1315, 4);
- lean_ctor_release(x_1315, 5);
- lean_ctor_release(x_1315, 6);
- lean_ctor_release(x_1315, 7);
- x_1353 = x_1315;
-} else {
- lean_dec_ref(x_1315);
- x_1353 = lean_box(0);
-}
-x_1354 = 1;
-if (lean_is_scalar(x_1353)) {
- x_1355 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1355 = x_1353;
-}
-lean_ctor_set(x_1355, 0, x_1345);
-lean_ctor_set(x_1355, 1, x_1346);
-lean_ctor_set(x_1355, 2, x_1347);
-lean_ctor_set(x_1355, 3, x_1348);
-lean_ctor_set(x_1355, 4, x_1349);
-lean_ctor_set(x_1355, 5, x_1350);
-lean_ctor_set(x_1355, 6, x_1351);
-lean_ctor_set(x_1355, 7, x_1352);
-lean_ctor_set_uint8(x_1355, sizeof(void*)*8, x_1354);
-if (lean_is_scalar(x_1344)) {
- x_1356 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1356 = x_1344;
-}
-lean_ctor_set(x_1356, 0, x_1355);
-lean_ctor_set(x_1356, 1, x_1341);
-lean_ctor_set(x_1356, 2, x_1342);
-lean_ctor_set(x_1356, 3, x_1343);
-x_1357 = lean_st_ref_set(x_6, x_1356, x_1340);
-x_1358 = lean_ctor_get(x_1357, 1);
-lean_inc(x_1358);
-if (lean_is_exclusive(x_1357)) {
- lean_ctor_release(x_1357, 0);
- lean_ctor_release(x_1357, 1);
- x_1359 = x_1357;
-} else {
- lean_dec_ref(x_1357);
- x_1359 = lean_box(0);
-}
-x_1360 = lean_box(0);
-x_1361 = lean_box(x_1309);
-x_1362 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1362, 0, x_1361);
-lean_ctor_set(x_1362, 1, x_1360);
-if (lean_is_scalar(x_1359)) {
- x_1363 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_1363 = x_1359;
-}
-lean_ctor_set(x_1363, 0, x_1362);
-lean_ctor_set(x_1363, 1, x_1358);
-x_1168 = x_1363;
-goto block_1178;
-}
-}
-block_1414:
-{
-lean_object* x_1367; lean_object* x_1368; lean_object* x_1369; lean_object* x_1370; lean_object* x_1371; 
-x_1367 = lean_st_ref_get(x_8, x_1366);
-x_1368 = lean_ctor_get(x_1367, 1);
-lean_inc(x_1368);
-lean_dec(x_1367);
-x_1369 = lean_st_ref_take(x_6, x_1368);
-x_1370 = lean_ctor_get(x_1369, 0);
-lean_inc(x_1370);
-x_1371 = lean_ctor_get(x_1370, 0);
-lean_inc(x_1371);
-if (x_1308 == 0)
-{
-lean_object* x_1372; lean_object* x_1373; lean_object* x_1374; lean_object* x_1375; lean_object* x_1376; lean_object* x_1377; lean_object* x_1378; lean_object* x_1379; lean_object* x_1380; lean_object* x_1381; lean_object* x_1382; lean_object* x_1383; lean_object* x_1384; uint8_t x_1385; lean_object* x_1386; lean_object* x_1387; lean_object* x_1388; lean_object* x_1389; lean_object* x_1390; lean_object* x_1391; lean_object* x_1392; 
-x_1372 = lean_ctor_get(x_1369, 1);
-lean_inc(x_1372);
-lean_dec(x_1369);
-x_1373 = lean_ctor_get(x_1370, 1);
-lean_inc(x_1373);
-x_1374 = lean_ctor_get(x_1370, 2);
-lean_inc(x_1374);
-x_1375 = lean_ctor_get(x_1370, 3);
-lean_inc(x_1375);
-if (lean_is_exclusive(x_1370)) {
- lean_ctor_release(x_1370, 0);
- lean_ctor_release(x_1370, 1);
- lean_ctor_release(x_1370, 2);
- lean_ctor_release(x_1370, 3);
- x_1376 = x_1370;
-} else {
- lean_dec_ref(x_1370);
- x_1376 = lean_box(0);
-}
-x_1377 = lean_ctor_get(x_1371, 0);
-lean_inc(x_1377);
-x_1378 = lean_ctor_get(x_1371, 1);
-lean_inc(x_1378);
-x_1379 = lean_ctor_get(x_1371, 2);
-lean_inc(x_1379);
-x_1380 = lean_ctor_get(x_1371, 3);
-lean_inc(x_1380);
-x_1381 = lean_ctor_get(x_1371, 4);
-lean_inc(x_1381);
-x_1382 = lean_ctor_get(x_1371, 5);
-lean_inc(x_1382);
-x_1383 = lean_ctor_get(x_1371, 6);
-lean_inc(x_1383);
-x_1384 = lean_ctor_get(x_1371, 7);
-lean_inc(x_1384);
-x_1385 = lean_ctor_get_uint8(x_1371, sizeof(void*)*8);
-if (lean_is_exclusive(x_1371)) {
- lean_ctor_release(x_1371, 0);
- lean_ctor_release(x_1371, 1);
- lean_ctor_release(x_1371, 2);
- lean_ctor_release(x_1371, 3);
- lean_ctor_release(x_1371, 4);
- lean_ctor_release(x_1371, 5);
- lean_ctor_release(x_1371, 6);
- lean_ctor_release(x_1371, 7);
- x_1386 = x_1371;
-} else {
- lean_dec_ref(x_1371);
- x_1386 = lean_box(0);
-}
-if (lean_is_scalar(x_1386)) {
- x_1387 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1387 = x_1386;
-}
-lean_ctor_set(x_1387, 0, x_1377);
-lean_ctor_set(x_1387, 1, x_1378);
-lean_ctor_set(x_1387, 2, x_1379);
-lean_ctor_set(x_1387, 3, x_1380);
-lean_ctor_set(x_1387, 4, x_1381);
-lean_ctor_set(x_1387, 5, x_1382);
-lean_ctor_set(x_1387, 6, x_1383);
-lean_ctor_set(x_1387, 7, x_1384);
-lean_ctor_set_uint8(x_1387, sizeof(void*)*8, x_1385);
-if (lean_is_scalar(x_1376)) {
- x_1388 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1388 = x_1376;
-}
-lean_ctor_set(x_1388, 0, x_1387);
-lean_ctor_set(x_1388, 1, x_1373);
-lean_ctor_set(x_1388, 2, x_1374);
-lean_ctor_set(x_1388, 3, x_1375);
-x_1389 = lean_st_ref_set(x_6, x_1388, x_1372);
-x_1390 = lean_ctor_get(x_1389, 1);
-lean_inc(x_1390);
-if (lean_is_exclusive(x_1389)) {
- lean_ctor_release(x_1389, 0);
- lean_ctor_release(x_1389, 1);
- x_1391 = x_1389;
-} else {
- lean_dec_ref(x_1389);
- x_1391 = lean_box(0);
-}
-if (lean_is_scalar(x_1391)) {
- x_1392 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_1392 = x_1391;
- lean_ctor_set_tag(x_1392, 1);
-}
-lean_ctor_set(x_1392, 0, x_1365);
-lean_ctor_set(x_1392, 1, x_1390);
-x_1168 = x_1392;
-goto block_1178;
-}
-else
-{
-lean_object* x_1393; lean_object* x_1394; lean_object* x_1395; lean_object* x_1396; lean_object* x_1397; lean_object* x_1398; lean_object* x_1399; lean_object* x_1400; lean_object* x_1401; lean_object* x_1402; lean_object* x_1403; lean_object* x_1404; lean_object* x_1405; lean_object* x_1406; uint8_t x_1407; lean_object* x_1408; lean_object* x_1409; lean_object* x_1410; lean_object* x_1411; lean_object* x_1412; lean_object* x_1413; 
-x_1393 = lean_ctor_get(x_1369, 1);
-lean_inc(x_1393);
-lean_dec(x_1369);
-x_1394 = lean_ctor_get(x_1370, 1);
-lean_inc(x_1394);
-x_1395 = lean_ctor_get(x_1370, 2);
-lean_inc(x_1395);
-x_1396 = lean_ctor_get(x_1370, 3);
-lean_inc(x_1396);
-if (lean_is_exclusive(x_1370)) {
- lean_ctor_release(x_1370, 0);
- lean_ctor_release(x_1370, 1);
- lean_ctor_release(x_1370, 2);
- lean_ctor_release(x_1370, 3);
- x_1397 = x_1370;
-} else {
- lean_dec_ref(x_1370);
- x_1397 = lean_box(0);
-}
-x_1398 = lean_ctor_get(x_1371, 0);
-lean_inc(x_1398);
-x_1399 = lean_ctor_get(x_1371, 1);
-lean_inc(x_1399);
-x_1400 = lean_ctor_get(x_1371, 2);
-lean_inc(x_1400);
-x_1401 = lean_ctor_get(x_1371, 3);
-lean_inc(x_1401);
-x_1402 = lean_ctor_get(x_1371, 4);
-lean_inc(x_1402);
-x_1403 = lean_ctor_get(x_1371, 5);
-lean_inc(x_1403);
-x_1404 = lean_ctor_get(x_1371, 6);
-lean_inc(x_1404);
-x_1405 = lean_ctor_get(x_1371, 7);
-lean_inc(x_1405);
-if (lean_is_exclusive(x_1371)) {
- lean_ctor_release(x_1371, 0);
- lean_ctor_release(x_1371, 1);
- lean_ctor_release(x_1371, 2);
- lean_ctor_release(x_1371, 3);
- lean_ctor_release(x_1371, 4);
- lean_ctor_release(x_1371, 5);
- lean_ctor_release(x_1371, 6);
- lean_ctor_release(x_1371, 7);
- x_1406 = x_1371;
-} else {
- lean_dec_ref(x_1371);
- x_1406 = lean_box(0);
-}
-x_1407 = 1;
-if (lean_is_scalar(x_1406)) {
- x_1408 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_1408 = x_1406;
-}
-lean_ctor_set(x_1408, 0, x_1398);
-lean_ctor_set(x_1408, 1, x_1399);
-lean_ctor_set(x_1408, 2, x_1400);
-lean_ctor_set(x_1408, 3, x_1401);
-lean_ctor_set(x_1408, 4, x_1402);
-lean_ctor_set(x_1408, 5, x_1403);
-lean_ctor_set(x_1408, 6, x_1404);
-lean_ctor_set(x_1408, 7, x_1405);
-lean_ctor_set_uint8(x_1408, sizeof(void*)*8, x_1407);
-if (lean_is_scalar(x_1397)) {
- x_1409 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_1409 = x_1397;
-}
-lean_ctor_set(x_1409, 0, x_1408);
-lean_ctor_set(x_1409, 1, x_1394);
-lean_ctor_set(x_1409, 2, x_1395);
-lean_ctor_set(x_1409, 3, x_1396);
-x_1410 = lean_st_ref_set(x_6, x_1409, x_1393);
-x_1411 = lean_ctor_get(x_1410, 1);
-lean_inc(x_1411);
-if (lean_is_exclusive(x_1410)) {
- lean_ctor_release(x_1410, 0);
- lean_ctor_release(x_1410, 1);
- x_1412 = x_1410;
-} else {
- lean_dec_ref(x_1410);
- x_1412 = lean_box(0);
-}
-if (lean_is_scalar(x_1412)) {
- x_1413 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_1413 = x_1412;
- lean_ctor_set_tag(x_1413, 1);
-}
-lean_ctor_set(x_1413, 0, x_1365);
-lean_ctor_set(x_1413, 1, x_1411);
-x_1168 = x_1413;
-goto block_1178;
 }
 }
 }
@@ -84790,298 +80450,208 @@ goto block_1178;
 }
 else
 {
-lean_object* x_1517; lean_object* x_1518; 
-lean_dec(x_3);
-x_1517 = lean_ctor_get(x_1216, 1);
-lean_inc(x_1517);
-lean_dec(x_1216);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-x_1518 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isExprDefEqExpensive(x_1, x_2, x_5, x_6, x_7, x_8, x_1517);
-x_1152 = x_1518;
-goto block_1167;
-}
-}
-else
-{
-lean_object* x_1519; lean_object* x_1520; 
+lean_object* x_736; lean_object* x_737; 
+lean_dec(x_586);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1519 = lean_ctor_get(x_1216, 0);
-lean_inc(x_1519);
-x_1520 = lean_ctor_get(x_1216, 1);
-lean_inc(x_1520);
-lean_dec(x_1216);
-x_1145 = x_1519;
-x_1146 = x_1520;
-goto block_1151;
+x_736 = lean_ctor_get(x_588, 0);
+lean_inc(x_736);
+x_737 = lean_ctor_get(x_588, 1);
+lean_inc(x_737);
+lean_dec(x_588);
+x_561 = x_736;
+x_562 = x_737;
+goto block_567;
+}
+}
+else
+{
+lean_object* x_738; lean_object* x_739; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_738 = lean_ctor_get(x_585, 0);
+lean_inc(x_738);
+x_739 = lean_ctor_get(x_585, 1);
+lean_inc(x_739);
+lean_dec(x_585);
+x_561 = x_738;
+x_562 = x_739;
+goto block_567;
 }
 }
 }
 }
 else
 {
-lean_object* x_1521; lean_object* x_1522; 
-lean_dec(x_1197);
+lean_object* x_740; lean_object* x_741; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1521 = lean_ctor_get(x_1199, 0);
-lean_inc(x_1521);
-x_1522 = lean_ctor_get(x_1199, 1);
-lean_inc(x_1522);
-lean_dec(x_1199);
-x_1145 = x_1521;
-x_1146 = x_1522;
-goto block_1151;
-}
-}
-else
-{
-lean_object* x_1523; lean_object* x_1524; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_1523 = lean_ctor_get(x_1196, 0);
-lean_inc(x_1523);
-x_1524 = lean_ctor_get(x_1196, 1);
-lean_inc(x_1524);
-lean_dec(x_1196);
-x_1145 = x_1523;
-x_1146 = x_1524;
-goto block_1151;
+x_740 = lean_ctor_get(x_576, 0);
+lean_inc(x_740);
+x_741 = lean_ctor_get(x_576, 1);
+lean_inc(x_741);
+lean_dec(x_576);
+x_561 = x_740;
+x_562 = x_741;
+goto block_567;
 }
 }
 }
 }
 else
 {
-lean_object* x_1525; lean_object* x_1526; 
+lean_object* x_742; lean_object* x_743; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1525 = lean_ctor_get(x_1187, 0);
-lean_inc(x_1525);
-x_1526 = lean_ctor_get(x_1187, 1);
-lean_inc(x_1526);
-lean_dec(x_1187);
-x_1145 = x_1525;
-x_1146 = x_1526;
-goto block_1151;
+x_742 = lean_ctor_get(x_568, 0);
+lean_inc(x_742);
+x_743 = lean_ctor_get(x_568, 1);
+lean_inc(x_743);
+lean_dec(x_568);
+x_561 = x_742;
+x_562 = x_743;
+goto block_567;
 }
-}
-}
-}
-else
+block_544:
 {
-lean_object* x_1527; lean_object* x_1528; 
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_1527 = lean_ctor_get(x_1179, 0);
-lean_inc(x_1527);
-x_1528 = lean_ctor_get(x_1179, 1);
-lean_inc(x_1528);
-lean_dec(x_1179);
-x_1145 = x_1527;
-x_1146 = x_1528;
-goto block_1151;
-}
-block_1144:
-{
-lean_object* x_1139; lean_object* x_1140; lean_object* x_1141; lean_object* x_1142; lean_object* x_1143; 
-x_1139 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_1136, x_30, x_5, x_6, x_7, x_8, x_1138);
+lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; 
+x_539 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_536, x_30, x_5, x_6, x_7, x_8, x_538);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_1140 = lean_ctor_get(x_1139, 1);
-lean_inc(x_1140);
-if (lean_is_exclusive(x_1139)) {
- lean_ctor_release(x_1139, 0);
- lean_ctor_release(x_1139, 1);
- x_1141 = x_1139;
+x_540 = lean_ctor_get(x_539, 1);
+lean_inc(x_540);
+if (lean_is_exclusive(x_539)) {
+ lean_ctor_release(x_539, 0);
+ lean_ctor_release(x_539, 1);
+ x_541 = x_539;
 } else {
- lean_dec_ref(x_1139);
- x_1141 = lean_box(0);
+ lean_dec_ref(x_539);
+ x_541 = lean_box(0);
 }
-x_1142 = lean_box(x_1137);
-if (lean_is_scalar(x_1141)) {
- x_1143 = lean_alloc_ctor(0, 2, 0);
+x_542 = lean_box(x_537);
+if (lean_is_scalar(x_541)) {
+ x_543 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1143 = x_1141;
+ x_543 = x_541;
 }
-lean_ctor_set(x_1143, 0, x_1142);
-lean_ctor_set(x_1143, 1, x_1140);
-return x_1143;
+lean_ctor_set(x_543, 0, x_542);
+lean_ctor_set(x_543, 1, x_540);
+return x_543;
 }
-block_1151:
+block_560:
 {
-lean_object* x_1147; lean_object* x_1148; lean_object* x_1149; lean_object* x_1150; 
-x_1147 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_1136, x_30, x_5, x_6, x_7, x_8, x_1146);
+if (lean_obj_tag(x_545) == 0)
+{
+lean_object* x_546; lean_object* x_547; lean_object* x_548; lean_object* x_549; lean_object* x_550; lean_object* x_551; lean_object* x_552; lean_object* x_553; 
+x_546 = lean_ctor_get(x_545, 0);
+lean_inc(x_546);
+x_547 = lean_ctor_get(x_545, 1);
+lean_inc(x_547);
+lean_dec(x_545);
+x_548 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_536, x_30, x_5, x_6, x_7, x_8, x_547);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_1148 = lean_ctor_get(x_1147, 1);
-lean_inc(x_1148);
-if (lean_is_exclusive(x_1147)) {
- lean_ctor_release(x_1147, 0);
- lean_ctor_release(x_1147, 1);
- x_1149 = x_1147;
+x_549 = lean_ctor_get(x_548, 0);
+lean_inc(x_549);
+x_550 = lean_ctor_get(x_548, 1);
+lean_inc(x_550);
+if (lean_is_exclusive(x_548)) {
+ lean_ctor_release(x_548, 0);
+ lean_ctor_release(x_548, 1);
+ x_551 = x_548;
 } else {
- lean_dec_ref(x_1147);
- x_1149 = lean_box(0);
+ lean_dec_ref(x_548);
+ x_551 = lean_box(0);
 }
-if (lean_is_scalar(x_1149)) {
- x_1150 = lean_alloc_ctor(1, 2, 0);
+x_552 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_552, 0, x_546);
+lean_ctor_set(x_552, 1, x_549);
+if (lean_is_scalar(x_551)) {
+ x_553 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_1150 = x_1149;
- lean_ctor_set_tag(x_1150, 1);
+ x_553 = x_551;
 }
-lean_ctor_set(x_1150, 0, x_1145);
-lean_ctor_set(x_1150, 1, x_1148);
-return x_1150;
-}
-block_1167:
-{
-if (lean_obj_tag(x_1152) == 0)
-{
-lean_object* x_1153; lean_object* x_1154; lean_object* x_1155; lean_object* x_1156; lean_object* x_1157; lean_object* x_1158; lean_object* x_1159; lean_object* x_1160; 
-x_1153 = lean_ctor_get(x_1152, 0);
-lean_inc(x_1153);
-x_1154 = lean_ctor_get(x_1152, 1);
-lean_inc(x_1154);
-lean_dec(x_1152);
-x_1155 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_1136, x_30, x_5, x_6, x_7, x_8, x_1154);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-x_1156 = lean_ctor_get(x_1155, 0);
-lean_inc(x_1156);
-x_1157 = lean_ctor_get(x_1155, 1);
-lean_inc(x_1157);
-if (lean_is_exclusive(x_1155)) {
- lean_ctor_release(x_1155, 0);
- lean_ctor_release(x_1155, 1);
- x_1158 = x_1155;
-} else {
- lean_dec_ref(x_1155);
- x_1158 = lean_box(0);
-}
-x_1159 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_1159, 0, x_1153);
-lean_ctor_set(x_1159, 1, x_1156);
-if (lean_is_scalar(x_1158)) {
- x_1160 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_1160 = x_1158;
-}
-lean_ctor_set(x_1160, 0, x_1159);
-lean_ctor_set(x_1160, 1, x_1157);
-x_10 = x_1160;
+lean_ctor_set(x_553, 0, x_552);
+lean_ctor_set(x_553, 1, x_550);
+x_10 = x_553;
 goto block_22;
 }
 else
 {
-lean_object* x_1161; lean_object* x_1162; lean_object* x_1163; lean_object* x_1164; lean_object* x_1165; lean_object* x_1166; 
-x_1161 = lean_ctor_get(x_1152, 0);
-lean_inc(x_1161);
-x_1162 = lean_ctor_get(x_1152, 1);
-lean_inc(x_1162);
-lean_dec(x_1152);
-x_1163 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_1136, x_30, x_5, x_6, x_7, x_8, x_1162);
+lean_object* x_554; lean_object* x_555; lean_object* x_556; lean_object* x_557; lean_object* x_558; lean_object* x_559; 
+x_554 = lean_ctor_get(x_545, 0);
+lean_inc(x_554);
+x_555 = lean_ctor_get(x_545, 1);
+lean_inc(x_555);
+lean_dec(x_545);
+x_556 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_536, x_30, x_5, x_6, x_7, x_8, x_555);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_1164 = lean_ctor_get(x_1163, 1);
-lean_inc(x_1164);
-if (lean_is_exclusive(x_1163)) {
- lean_ctor_release(x_1163, 0);
- lean_ctor_release(x_1163, 1);
- x_1165 = x_1163;
+x_557 = lean_ctor_get(x_556, 1);
+lean_inc(x_557);
+if (lean_is_exclusive(x_556)) {
+ lean_ctor_release(x_556, 0);
+ lean_ctor_release(x_556, 1);
+ x_558 = x_556;
 } else {
- lean_dec_ref(x_1163);
- x_1165 = lean_box(0);
+ lean_dec_ref(x_556);
+ x_558 = lean_box(0);
 }
-if (lean_is_scalar(x_1165)) {
- x_1166 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_558)) {
+ x_559 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_1166 = x_1165;
- lean_ctor_set_tag(x_1166, 1);
+ x_559 = x_558;
+ lean_ctor_set_tag(x_559, 1);
 }
-lean_ctor_set(x_1166, 0, x_1161);
-lean_ctor_set(x_1166, 1, x_1164);
-x_10 = x_1166;
+lean_ctor_set(x_559, 0, x_554);
+lean_ctor_set(x_559, 1, x_557);
+x_10 = x_559;
 goto block_22;
 }
 }
-block_1178:
+block_567:
 {
-if (lean_obj_tag(x_1168) == 0)
-{
-lean_object* x_1169; lean_object* x_1170; lean_object* x_1171; lean_object* x_1172; lean_object* x_1173; 
-x_1169 = lean_ctor_get(x_1168, 0);
-lean_inc(x_1169);
-x_1170 = lean_ctor_get(x_1168, 1);
-lean_inc(x_1170);
-if (lean_is_exclusive(x_1168)) {
- lean_ctor_release(x_1168, 0);
- lean_ctor_release(x_1168, 1);
- x_1171 = x_1168;
+lean_object* x_563; lean_object* x_564; lean_object* x_565; lean_object* x_566; 
+x_563 = l___private_Lean_Util_Trace_0__Lean_withNestedTracesFinalizer___at_Lean_Meta_isExprDefEqAuxImpl___spec__1(x_536, x_30, x_5, x_6, x_7, x_8, x_562);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+x_564 = lean_ctor_get(x_563, 1);
+lean_inc(x_564);
+if (lean_is_exclusive(x_563)) {
+ lean_ctor_release(x_563, 0);
+ lean_ctor_release(x_563, 1);
+ x_565 = x_563;
 } else {
- lean_dec_ref(x_1168);
- x_1171 = lean_box(0);
+ lean_dec_ref(x_563);
+ x_565 = lean_box(0);
 }
-x_1172 = lean_ctor_get(x_1169, 0);
-lean_inc(x_1172);
-lean_dec(x_1169);
-if (lean_is_scalar(x_1171)) {
- x_1173 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_565)) {
+ x_566 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_1173 = x_1171;
-}
-lean_ctor_set(x_1173, 0, x_1172);
-lean_ctor_set(x_1173, 1, x_1170);
-x_1152 = x_1173;
-goto block_1167;
-}
-else
-{
-lean_object* x_1174; lean_object* x_1175; lean_object* x_1176; lean_object* x_1177; 
-x_1174 = lean_ctor_get(x_1168, 0);
-lean_inc(x_1174);
-x_1175 = lean_ctor_get(x_1168, 1);
-lean_inc(x_1175);
-if (lean_is_exclusive(x_1168)) {
- lean_ctor_release(x_1168, 0);
- lean_ctor_release(x_1168, 1);
- x_1176 = x_1168;
-} else {
- lean_dec_ref(x_1168);
- x_1176 = lean_box(0);
-}
-if (lean_is_scalar(x_1176)) {
- x_1177 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_1177 = x_1176;
-}
-lean_ctor_set(x_1177, 0, x_1174);
-lean_ctor_set(x_1177, 1, x_1175);
-x_1152 = x_1177;
-goto block_1167;
+ x_566 = x_565;
+ lean_ctor_set_tag(x_566, 1);
 }
+lean_ctor_set(x_566, 0, x_561);
+lean_ctor_set(x_566, 1, x_564);
+return x_566;
 }
 }
 }
 else
 {
-uint8_t x_1529; 
+uint8_t x_744; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -85089,23 +80659,23 @@ lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_1529 = !lean_is_exclusive(x_24);
-if (x_1529 == 0)
+x_744 = !lean_is_exclusive(x_24);
+if (x_744 == 0)
 {
 return x_24;
 }
 else
 {
-lean_object* x_1530; lean_object* x_1531; lean_object* x_1532; 
-x_1530 = lean_ctor_get(x_24, 0);
-x_1531 = lean_ctor_get(x_24, 1);
-lean_inc(x_1531);
-lean_inc(x_1530);
+lean_object* x_745; lean_object* x_746; lean_object* x_747; 
+x_745 = lean_ctor_get(x_24, 0);
+x_746 = lean_ctor_get(x_24, 1);
+lean_inc(x_746);
+lean_inc(x_745);
 lean_dec(x_24);
-x_1532 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_1532, 0, x_1530);
-lean_ctor_set(x_1532, 1, x_1531);
-return x_1532;
+x_747 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_747, 0, x_745);
+lean_ctor_set(x_747, 1, x_746);
+return x_747;
 }
 }
 block_22:
@@ -85487,7 +81057,7 @@ lean_dec(x_4);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_17288_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_16761_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -85789,6 +81359,16 @@ l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEt
 lean_mark_persistent(l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__14);
 l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__1 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__1();
 lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__1);
+l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__2 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__2();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__2);
+l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__3);
+l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__4);
+l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__5);
+l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6 = _init_l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__2___closed__6);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__2();
@@ -85977,14 +81557,14 @@ l_Lean_Meta_CheckAssignment_checkMVar___closed__6 = _init_l_Lean_Meta_CheckAssig
 lean_mark_persistent(l_Lean_Meta_CheckAssignment_checkMVar___closed__6);
 l_Lean_Meta_CheckAssignment_checkMVar___closed__7 = _init_l_Lean_Meta_CheckAssignment_checkMVar___closed__7();
 lean_mark_persistent(l_Lean_Meta_CheckAssignment_checkMVar___closed__7);
-l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1 = _init_l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1();
-lean_mark_persistent(l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___closed__1);
 l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1 = _init_l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1();
 lean_mark_persistent(l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__1);
-l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__1);
-l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__7___closed__2);
+l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2 = _init_l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2();
+lean_mark_persistent(l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___closed__2);
+l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_checkAssignment___spec__6___closed__2);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox_loop___closed__2();
@@ -86077,18 +81657,10 @@ l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__1 = _ini
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__1);
 l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__2();
 lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqOnFailure___closed__2);
-l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1();
-lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__1);
-l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2 = _init_l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2();
-lean_mark_persistent(l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqCache___closed__2);
 l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___closed__1 = _init_l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___closed__1();
 l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___closed__2 = _init_l_Std_PersistentHashMap_findAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___spec__2___closed__2();
 l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2___closed__1 = _init_l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2___closed__1();
 lean_mark_persistent(l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__2___closed__1);
-l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__1 = _init_l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__1();
-lean_mark_persistent(l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__1);
-l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2 = _init_l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2();
-lean_mark_persistent(l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2);
 l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__1 = _init_l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__1);
 l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__2 = _init_l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__2();
@@ -86137,7 +81709,7 @@ l_Lean_Meta_isExprDefEqAuxImpl___closed__1 = _init_l_Lean_Meta_isExprDefEqAuxImp
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__1);
 l_Lean_Meta_isExprDefEqAuxImpl___closed__2 = _init_l_Lean_Meta_isExprDefEqAuxImpl___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_17288_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_16761_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/FunInfo.c b/stage0/stdlib/Lean/Meta/FunInfo.c
index e47261277d..72b7f5981b 100644
--- a/stage0/stdlib/Lean/Meta/FunInfo.c
+++ b/stage0/stdlib/Lean/Meta/FunInfo.c
@@ -1094,79 +1094,74 @@ return x_41;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
 x_42 = lean_ctor_get(x_30, 0);
 x_43 = lean_ctor_get(x_30, 2);
 x_44 = lean_ctor_get(x_30, 3);
 x_45 = lean_ctor_get(x_30, 4);
 x_46 = lean_ctor_get(x_30, 5);
-x_47 = lean_ctor_get(x_30, 6);
-x_48 = lean_ctor_get(x_30, 1);
-lean_inc(x_47);
+x_47 = lean_ctor_get(x_30, 1);
 lean_inc(x_46);
 lean_inc(x_45);
 lean_inc(x_44);
 lean_inc(x_43);
-lean_inc(x_48);
+lean_inc(x_47);
 lean_inc(x_42);
 lean_dec(x_30);
 lean_inc(x_24);
-x_49 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_48, x_20, x_24);
-x_50 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_50, 0, x_42);
-lean_ctor_set(x_50, 1, x_49);
-lean_ctor_set(x_50, 2, x_43);
-lean_ctor_set(x_50, 3, x_44);
-lean_ctor_set(x_50, 4, x_45);
-lean_ctor_set(x_50, 5, x_46);
-lean_ctor_set(x_50, 6, x_47);
-lean_ctor_set(x_29, 1, x_50);
-x_51 = lean_st_ref_set(x_5, x_29, x_31);
+x_48 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_47, x_20, x_24);
+x_49 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_49, 0, x_42);
+lean_ctor_set(x_49, 1, x_48);
+lean_ctor_set(x_49, 2, x_43);
+lean_ctor_set(x_49, 3, x_44);
+lean_ctor_set(x_49, 4, x_45);
+lean_ctor_set(x_49, 5, x_46);
+lean_ctor_set(x_29, 1, x_49);
+x_50 = lean_st_ref_set(x_5, x_29, x_31);
 lean_dec(x_5);
-x_52 = lean_ctor_get(x_51, 1);
-lean_inc(x_52);
-if (lean_is_exclusive(x_51)) {
- lean_ctor_release(x_51, 0);
- lean_ctor_release(x_51, 1);
- x_53 = x_51;
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+if (lean_is_exclusive(x_50)) {
+ lean_ctor_release(x_50, 0);
+ lean_ctor_release(x_50, 1);
+ x_52 = x_50;
 } else {
- lean_dec_ref(x_51);
- x_53 = lean_box(0);
+ lean_dec_ref(x_50);
+ x_52 = lean_box(0);
 }
-if (lean_is_scalar(x_53)) {
- x_54 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_52)) {
+ x_53 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_54 = x_53;
+ x_53 = x_52;
 }
-lean_ctor_set(x_54, 0, x_24);
-lean_ctor_set(x_54, 1, x_52);
-return x_54;
+lean_ctor_set(x_53, 0, x_24);
+lean_ctor_set(x_53, 1, x_51);
+return x_53;
 }
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_55 = lean_ctor_get(x_29, 0);
-x_56 = lean_ctor_get(x_29, 2);
-x_57 = lean_ctor_get(x_29, 3);
-lean_inc(x_57);
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_54 = lean_ctor_get(x_29, 0);
+x_55 = lean_ctor_get(x_29, 2);
+x_56 = lean_ctor_get(x_29, 3);
 lean_inc(x_56);
 lean_inc(x_55);
+lean_inc(x_54);
 lean_dec(x_29);
-x_58 = lean_ctor_get(x_30, 0);
+x_57 = lean_ctor_get(x_30, 0);
+lean_inc(x_57);
+x_58 = lean_ctor_get(x_30, 2);
 lean_inc(x_58);
-x_59 = lean_ctor_get(x_30, 2);
+x_59 = lean_ctor_get(x_30, 3);
 lean_inc(x_59);
-x_60 = lean_ctor_get(x_30, 3);
+x_60 = lean_ctor_get(x_30, 4);
 lean_inc(x_60);
-x_61 = lean_ctor_get(x_30, 4);
+x_61 = lean_ctor_get(x_30, 5);
 lean_inc(x_61);
-x_62 = lean_ctor_get(x_30, 5);
+x_62 = lean_ctor_get(x_30, 1);
 lean_inc(x_62);
-x_63 = lean_ctor_get(x_30, 6);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_30, 1);
-lean_inc(x_64);
 if (lean_is_exclusive(x_30)) {
  lean_ctor_release(x_30, 0);
  lean_ctor_release(x_30, 1);
@@ -1174,275 +1169,269 @@ if (lean_is_exclusive(x_30)) {
  lean_ctor_release(x_30, 3);
  lean_ctor_release(x_30, 4);
  lean_ctor_release(x_30, 5);
- lean_ctor_release(x_30, 6);
- x_65 = x_30;
+ x_63 = x_30;
 } else {
  lean_dec_ref(x_30);
- x_65 = lean_box(0);
+ x_63 = lean_box(0);
 }
 lean_inc(x_24);
-x_66 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_64, x_20, x_24);
-if (lean_is_scalar(x_65)) {
- x_67 = lean_alloc_ctor(0, 7, 0);
+x_64 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_62, x_20, x_24);
+if (lean_is_scalar(x_63)) {
+ x_65 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_67 = x_65;
+ x_65 = x_63;
 }
-lean_ctor_set(x_67, 0, x_58);
-lean_ctor_set(x_67, 1, x_66);
-lean_ctor_set(x_67, 2, x_59);
-lean_ctor_set(x_67, 3, x_60);
-lean_ctor_set(x_67, 4, x_61);
-lean_ctor_set(x_67, 5, x_62);
-lean_ctor_set(x_67, 6, x_63);
-x_68 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_68, 0, x_55);
-lean_ctor_set(x_68, 1, x_67);
-lean_ctor_set(x_68, 2, x_56);
-lean_ctor_set(x_68, 3, x_57);
-x_69 = lean_st_ref_set(x_5, x_68, x_31);
+lean_ctor_set(x_65, 0, x_57);
+lean_ctor_set(x_65, 1, x_64);
+lean_ctor_set(x_65, 2, x_58);
+lean_ctor_set(x_65, 3, x_59);
+lean_ctor_set(x_65, 4, x_60);
+lean_ctor_set(x_65, 5, x_61);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_54);
+lean_ctor_set(x_66, 1, x_65);
+lean_ctor_set(x_66, 2, x_55);
+lean_ctor_set(x_66, 3, x_56);
+x_67 = lean_st_ref_set(x_5, x_66, x_31);
 lean_dec(x_5);
-x_70 = lean_ctor_get(x_69, 1);
-lean_inc(x_70);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- x_71 = x_69;
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_67)) {
+ lean_ctor_release(x_67, 0);
+ lean_ctor_release(x_67, 1);
+ x_69 = x_67;
 } else {
- lean_dec_ref(x_69);
- x_71 = lean_box(0);
+ lean_dec_ref(x_67);
+ x_69 = lean_box(0);
 }
-if (lean_is_scalar(x_71)) {
- x_72 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_69)) {
+ x_70 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_72 = x_71;
+ x_70 = x_69;
 }
-lean_ctor_set(x_72, 0, x_24);
-lean_ctor_set(x_72, 1, x_70);
-return x_72;
+lean_ctor_set(x_70, 0, x_24);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
 }
 }
 else
 {
-uint8_t x_73; 
+uint8_t x_71; 
 lean_dec(x_20);
 lean_dec(x_7);
 lean_dec(x_5);
-x_73 = !lean_is_exclusive(x_23);
-if (x_73 == 0)
+x_71 = !lean_is_exclusive(x_23);
+if (x_71 == 0)
 {
 return x_23;
 }
 else
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_74 = lean_ctor_get(x_23, 0);
-x_75 = lean_ctor_get(x_23, 1);
-lean_inc(x_75);
-lean_inc(x_74);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_72 = lean_ctor_get(x_23, 0);
+x_73 = lean_ctor_get(x_23, 1);
+lean_inc(x_73);
+lean_inc(x_72);
 lean_dec(x_23);
-x_76 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_76, 0, x_74);
-lean_ctor_set(x_76, 1, x_75);
-return x_76;
+x_74 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_74, 1, x_73);
+return x_74;
 }
 }
 }
 else
 {
-lean_object* x_77; 
+lean_object* x_75; 
 lean_dec(x_20);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_77 = lean_ctor_get(x_22, 0);
-lean_inc(x_77);
+x_75 = lean_ctor_get(x_22, 0);
+lean_inc(x_75);
 lean_dec(x_22);
-lean_ctor_set(x_14, 0, x_77);
+lean_ctor_set(x_14, 0, x_75);
 return x_14;
 }
 }
 else
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; 
-x_78 = lean_ctor_get(x_14, 0);
-x_79 = lean_ctor_get(x_14, 1);
-lean_inc(x_79);
-lean_inc(x_78);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; lean_object* x_82; 
+x_76 = lean_ctor_get(x_14, 0);
+x_77 = lean_ctor_get(x_14, 1);
+lean_inc(x_77);
+lean_inc(x_76);
 lean_dec(x_14);
-x_80 = lean_ctor_get(x_78, 1);
-lean_inc(x_80);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_ctor_get(x_78, 1);
+lean_inc(x_79);
 lean_dec(x_78);
-x_81 = lean_ctor_get(x_80, 1);
-lean_inc(x_81);
-lean_dec(x_80);
-x_82 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_82, 0, x_1);
-lean_ctor_set(x_82, 1, x_2);
-x_83 = lean_unbox(x_10);
+x_80 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_80, 0, x_1);
+lean_ctor_set(x_80, 1, x_2);
+x_81 = lean_unbox(x_10);
 lean_dec(x_10);
-lean_ctor_set_uint8(x_82, sizeof(void*)*2, x_83);
-lean_inc(x_82);
-x_84 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__1(x_81, x_82);
-if (lean_obj_tag(x_84) == 0)
+lean_ctor_set_uint8(x_80, sizeof(void*)*2, x_81);
+lean_inc(x_80);
+x_82 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__1(x_79, x_80);
+if (lean_obj_tag(x_82) == 0)
 {
-lean_object* x_85; 
+lean_object* x_83; 
 lean_inc(x_7);
 lean_inc(x_5);
-x_85 = lean_apply_5(x_3, x_4, x_5, x_6, x_7, x_79);
-if (lean_obj_tag(x_85) == 0)
+x_83 = lean_apply_5(x_3, x_4, x_5, x_6, x_7, x_77);
+if (lean_obj_tag(x_83) == 0)
 {
-lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_86 = lean_ctor_get(x_85, 0);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_85, 1);
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_84 = lean_ctor_get(x_83, 0);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_83, 1);
+lean_inc(x_85);
+lean_dec(x_83);
+x_86 = lean_st_ref_get(x_7, x_85);
+lean_dec(x_7);
+x_87 = lean_ctor_get(x_86, 1);
 lean_inc(x_87);
-lean_dec(x_85);
-x_88 = lean_st_ref_get(x_7, x_87);
-lean_dec(x_7);
-x_89 = lean_ctor_get(x_88, 1);
+lean_dec(x_86);
+x_88 = lean_st_ref_take(x_5, x_87);
+x_89 = lean_ctor_get(x_88, 0);
 lean_inc(x_89);
-lean_dec(x_88);
-x_90 = lean_st_ref_take(x_5, x_89);
-x_91 = lean_ctor_get(x_90, 0);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_88, 1);
 lean_inc(x_91);
-x_92 = lean_ctor_get(x_91, 1);
+lean_dec(x_88);
+x_92 = lean_ctor_get(x_89, 0);
 lean_inc(x_92);
-x_93 = lean_ctor_get(x_90, 1);
+x_93 = lean_ctor_get(x_89, 2);
 lean_inc(x_93);
-lean_dec(x_90);
-x_94 = lean_ctor_get(x_91, 0);
+x_94 = lean_ctor_get(x_89, 3);
 lean_inc(x_94);
-x_95 = lean_ctor_get(x_91, 2);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_91, 3);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ lean_ctor_release(x_89, 2);
+ lean_ctor_release(x_89, 3);
+ x_95 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_95 = lean_box(0);
+}
+x_96 = lean_ctor_get(x_90, 0);
 lean_inc(x_96);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- lean_ctor_release(x_91, 2);
- lean_ctor_release(x_91, 3);
- x_97 = x_91;
-} else {
- lean_dec_ref(x_91);
- x_97 = lean_box(0);
-}
-x_98 = lean_ctor_get(x_92, 0);
+x_97 = lean_ctor_get(x_90, 2);
+lean_inc(x_97);
+x_98 = lean_ctor_get(x_90, 3);
 lean_inc(x_98);
-x_99 = lean_ctor_get(x_92, 2);
+x_99 = lean_ctor_get(x_90, 4);
 lean_inc(x_99);
-x_100 = lean_ctor_get(x_92, 3);
+x_100 = lean_ctor_get(x_90, 5);
 lean_inc(x_100);
-x_101 = lean_ctor_get(x_92, 4);
+x_101 = lean_ctor_get(x_90, 1);
 lean_inc(x_101);
-x_102 = lean_ctor_get(x_92, 5);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_92, 6);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_92, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_92)) {
- lean_ctor_release(x_92, 0);
- lean_ctor_release(x_92, 1);
- lean_ctor_release(x_92, 2);
- lean_ctor_release(x_92, 3);
- lean_ctor_release(x_92, 4);
- lean_ctor_release(x_92, 5);
- lean_ctor_release(x_92, 6);
- x_105 = x_92;
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ lean_ctor_release(x_90, 2);
+ lean_ctor_release(x_90, 3);
+ lean_ctor_release(x_90, 4);
+ lean_ctor_release(x_90, 5);
+ x_102 = x_90;
 } else {
- lean_dec_ref(x_92);
- x_105 = lean_box(0);
+ lean_dec_ref(x_90);
+ x_102 = lean_box(0);
 }
-lean_inc(x_86);
-x_106 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_104, x_82, x_86);
-if (lean_is_scalar(x_105)) {
- x_107 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_84);
+x_103 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_101, x_80, x_84);
+if (lean_is_scalar(x_102)) {
+ x_104 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_107 = x_105;
+ x_104 = x_102;
 }
-lean_ctor_set(x_107, 0, x_98);
-lean_ctor_set(x_107, 1, x_106);
-lean_ctor_set(x_107, 2, x_99);
-lean_ctor_set(x_107, 3, x_100);
-lean_ctor_set(x_107, 4, x_101);
-lean_ctor_set(x_107, 5, x_102);
-lean_ctor_set(x_107, 6, x_103);
-if (lean_is_scalar(x_97)) {
- x_108 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_104, 0, x_96);
+lean_ctor_set(x_104, 1, x_103);
+lean_ctor_set(x_104, 2, x_97);
+lean_ctor_set(x_104, 3, x_98);
+lean_ctor_set(x_104, 4, x_99);
+lean_ctor_set(x_104, 5, x_100);
+if (lean_is_scalar(x_95)) {
+ x_105 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_108 = x_97;
+ x_105 = x_95;
 }
-lean_ctor_set(x_108, 0, x_94);
-lean_ctor_set(x_108, 1, x_107);
-lean_ctor_set(x_108, 2, x_95);
-lean_ctor_set(x_108, 3, x_96);
-x_109 = lean_st_ref_set(x_5, x_108, x_93);
+lean_ctor_set(x_105, 0, x_92);
+lean_ctor_set(x_105, 1, x_104);
+lean_ctor_set(x_105, 2, x_93);
+lean_ctor_set(x_105, 3, x_94);
+x_106 = lean_st_ref_set(x_5, x_105, x_91);
 lean_dec(x_5);
-x_110 = lean_ctor_get(x_109, 1);
-lean_inc(x_110);
-if (lean_is_exclusive(x_109)) {
- lean_ctor_release(x_109, 0);
- lean_ctor_release(x_109, 1);
- x_111 = x_109;
+x_107 = lean_ctor_get(x_106, 1);
+lean_inc(x_107);
+if (lean_is_exclusive(x_106)) {
+ lean_ctor_release(x_106, 0);
+ lean_ctor_release(x_106, 1);
+ x_108 = x_106;
 } else {
- lean_dec_ref(x_109);
- x_111 = lean_box(0);
+ lean_dec_ref(x_106);
+ x_108 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_108)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_109 = x_108;
 }
-lean_ctor_set(x_112, 0, x_86);
-lean_ctor_set(x_112, 1, x_110);
-return x_112;
+lean_ctor_set(x_109, 0, x_84);
+lean_ctor_set(x_109, 1, x_107);
+return x_109;
 }
 else
 {
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-lean_dec(x_82);
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+lean_dec(x_80);
 lean_dec(x_7);
 lean_dec(x_5);
-x_113 = lean_ctor_get(x_85, 0);
-lean_inc(x_113);
-x_114 = lean_ctor_get(x_85, 1);
-lean_inc(x_114);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_115 = x_85;
+x_110 = lean_ctor_get(x_83, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_83, 1);
+lean_inc(x_111);
+if (lean_is_exclusive(x_83)) {
+ lean_ctor_release(x_83, 0);
+ lean_ctor_release(x_83, 1);
+ x_112 = x_83;
 } else {
- lean_dec_ref(x_85);
- x_115 = lean_box(0);
+ lean_dec_ref(x_83);
+ x_112 = lean_box(0);
 }
-if (lean_is_scalar(x_115)) {
- x_116 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_112)) {
+ x_113 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_116 = x_115;
+ x_113 = x_112;
 }
-lean_ctor_set(x_116, 0, x_113);
-lean_ctor_set(x_116, 1, x_114);
-return x_116;
+lean_ctor_set(x_113, 0, x_110);
+lean_ctor_set(x_113, 1, x_111);
+return x_113;
 }
 }
 else
 {
-lean_object* x_117; lean_object* x_118; 
-lean_dec(x_82);
+lean_object* x_114; lean_object* x_115; 
+lean_dec(x_80);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_117 = lean_ctor_get(x_84, 0);
-lean_inc(x_117);
-lean_dec(x_84);
-x_118 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_118, 0, x_117);
-lean_ctor_set(x_118, 1, x_79);
-return x_118;
+x_114 = lean_ctor_get(x_82, 0);
+lean_inc(x_114);
+lean_dec(x_82);
+x_115 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_115, 0, x_114);
+lean_ctor_set(x_115, 1, x_77);
+return x_115;
 }
 }
 }
@@ -6969,79 +6958,74 @@ return x_49;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
 x_50 = lean_ctor_get(x_38, 0);
 x_51 = lean_ctor_get(x_38, 2);
 x_52 = lean_ctor_get(x_38, 3);
 x_53 = lean_ctor_get(x_38, 4);
 x_54 = lean_ctor_get(x_38, 5);
-x_55 = lean_ctor_get(x_38, 6);
-x_56 = lean_ctor_get(x_38, 1);
-lean_inc(x_55);
+x_55 = lean_ctor_get(x_38, 1);
 lean_inc(x_54);
 lean_inc(x_53);
 lean_inc(x_52);
 lean_inc(x_51);
-lean_inc(x_56);
+lean_inc(x_55);
 lean_inc(x_50);
 lean_dec(x_38);
 lean_inc(x_32);
-x_57 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_56, x_19, x_32);
-x_58 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_58, 0, x_50);
-lean_ctor_set(x_58, 1, x_57);
-lean_ctor_set(x_58, 2, x_51);
-lean_ctor_set(x_58, 3, x_52);
-lean_ctor_set(x_58, 4, x_53);
-lean_ctor_set(x_58, 5, x_54);
-lean_ctor_set(x_58, 6, x_55);
-lean_ctor_set(x_37, 1, x_58);
-x_59 = lean_st_ref_set(x_4, x_37, x_39);
+x_56 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_55, x_19, x_32);
+x_57 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_57, 0, x_50);
+lean_ctor_set(x_57, 1, x_56);
+lean_ctor_set(x_57, 2, x_51);
+lean_ctor_set(x_57, 3, x_52);
+lean_ctor_set(x_57, 4, x_53);
+lean_ctor_set(x_57, 5, x_54);
+lean_ctor_set(x_37, 1, x_57);
+x_58 = lean_st_ref_set(x_4, x_37, x_39);
 lean_dec(x_4);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
+x_59 = lean_ctor_get(x_58, 1);
+lean_inc(x_59);
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_60 = x_58;
 } else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_60 = lean_box(0);
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_60)) {
+ x_61 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_62 = x_61;
+ x_61 = x_60;
 }
-lean_ctor_set(x_62, 0, x_32);
-lean_ctor_set(x_62, 1, x_60);
-return x_62;
+lean_ctor_set(x_61, 0, x_32);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_63 = lean_ctor_get(x_37, 0);
-x_64 = lean_ctor_get(x_37, 2);
-x_65 = lean_ctor_get(x_37, 3);
-lean_inc(x_65);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_62 = lean_ctor_get(x_37, 0);
+x_63 = lean_ctor_get(x_37, 2);
+x_64 = lean_ctor_get(x_37, 3);
 lean_inc(x_64);
 lean_inc(x_63);
+lean_inc(x_62);
 lean_dec(x_37);
-x_66 = lean_ctor_get(x_38, 0);
+x_65 = lean_ctor_get(x_38, 0);
+lean_inc(x_65);
+x_66 = lean_ctor_get(x_38, 2);
 lean_inc(x_66);
-x_67 = lean_ctor_get(x_38, 2);
+x_67 = lean_ctor_get(x_38, 3);
 lean_inc(x_67);
-x_68 = lean_ctor_get(x_38, 3);
+x_68 = lean_ctor_get(x_38, 4);
 lean_inc(x_68);
-x_69 = lean_ctor_get(x_38, 4);
+x_69 = lean_ctor_get(x_38, 5);
 lean_inc(x_69);
-x_70 = lean_ctor_get(x_38, 5);
+x_70 = lean_ctor_get(x_38, 1);
 lean_inc(x_70);
-x_71 = lean_ctor_get(x_38, 6);
-lean_inc(x_71);
-x_72 = lean_ctor_get(x_38, 1);
-lean_inc(x_72);
 if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 0);
  lean_ctor_release(x_38, 1);
@@ -7049,487 +7033,477 @@ if (lean_is_exclusive(x_38)) {
  lean_ctor_release(x_38, 3);
  lean_ctor_release(x_38, 4);
  lean_ctor_release(x_38, 5);
- lean_ctor_release(x_38, 6);
- x_73 = x_38;
+ x_71 = x_38;
 } else {
  lean_dec_ref(x_38);
- x_73 = lean_box(0);
+ x_71 = lean_box(0);
 }
 lean_inc(x_32);
-x_74 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_72, x_19, x_32);
-if (lean_is_scalar(x_73)) {
- x_75 = lean_alloc_ctor(0, 7, 0);
+x_72 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_70, x_19, x_32);
+if (lean_is_scalar(x_71)) {
+ x_73 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_75 = x_73;
+ x_73 = x_71;
 }
-lean_ctor_set(x_75, 0, x_66);
-lean_ctor_set(x_75, 1, x_74);
-lean_ctor_set(x_75, 2, x_67);
-lean_ctor_set(x_75, 3, x_68);
-lean_ctor_set(x_75, 4, x_69);
-lean_ctor_set(x_75, 5, x_70);
-lean_ctor_set(x_75, 6, x_71);
-x_76 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_76, 0, x_63);
-lean_ctor_set(x_76, 1, x_75);
-lean_ctor_set(x_76, 2, x_64);
-lean_ctor_set(x_76, 3, x_65);
-x_77 = lean_st_ref_set(x_4, x_76, x_39);
+lean_ctor_set(x_73, 0, x_65);
+lean_ctor_set(x_73, 1, x_72);
+lean_ctor_set(x_73, 2, x_66);
+lean_ctor_set(x_73, 3, x_67);
+lean_ctor_set(x_73, 4, x_68);
+lean_ctor_set(x_73, 5, x_69);
+x_74 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_74, 0, x_62);
+lean_ctor_set(x_74, 1, x_73);
+lean_ctor_set(x_74, 2, x_63);
+lean_ctor_set(x_74, 3, x_64);
+x_75 = lean_st_ref_set(x_4, x_74, x_39);
 lean_dec(x_4);
-x_78 = lean_ctor_get(x_77, 1);
-lean_inc(x_78);
-if (lean_is_exclusive(x_77)) {
- lean_ctor_release(x_77, 0);
- lean_ctor_release(x_77, 1);
- x_79 = x_77;
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ x_77 = x_75;
 } else {
- lean_dec_ref(x_77);
- x_79 = lean_box(0);
+ lean_dec_ref(x_75);
+ x_77 = lean_box(0);
 }
-if (lean_is_scalar(x_79)) {
- x_80 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_77)) {
+ x_78 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_80 = x_79;
+ x_78 = x_77;
 }
-lean_ctor_set(x_80, 0, x_32);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
+lean_ctor_set(x_78, 0, x_32);
+lean_ctor_set(x_78, 1, x_76);
+return x_78;
 }
 }
 else
 {
-uint8_t x_81; 
+uint8_t x_79; 
 lean_dec(x_19);
 lean_dec(x_6);
 lean_dec(x_4);
-x_81 = !lean_is_exclusive(x_31);
-if (x_81 == 0)
+x_79 = !lean_is_exclusive(x_31);
+if (x_79 == 0)
 {
 return x_31;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_31, 0);
-x_83 = lean_ctor_get(x_31, 1);
-lean_inc(x_83);
-lean_inc(x_82);
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_31, 0);
+x_81 = lean_ctor_get(x_31, 1);
+lean_inc(x_81);
+lean_inc(x_80);
 lean_dec(x_31);
-x_84 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-return x_84;
+x_82 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_81);
+return x_82;
 }
 }
 }
 else
 {
-uint8_t x_85; uint8_t x_86; uint8_t x_87; uint8_t x_88; uint8_t x_89; uint8_t x_90; uint8_t x_91; uint8_t x_92; uint8_t x_93; uint8_t x_94; uint8_t x_95; uint8_t x_96; uint8_t x_97; uint8_t x_98; lean_object* x_99; lean_object* x_100; 
-x_85 = lean_ctor_get_uint8(x_28, 0);
-x_86 = lean_ctor_get_uint8(x_28, 1);
-x_87 = lean_ctor_get_uint8(x_28, 2);
-x_88 = lean_ctor_get_uint8(x_28, 3);
-x_89 = lean_ctor_get_uint8(x_28, 4);
-x_90 = lean_ctor_get_uint8(x_28, 6);
-x_91 = lean_ctor_get_uint8(x_28, 7);
-x_92 = lean_ctor_get_uint8(x_28, 8);
-x_93 = lean_ctor_get_uint8(x_28, 9);
-x_94 = lean_ctor_get_uint8(x_28, 10);
-x_95 = lean_ctor_get_uint8(x_28, 11);
-x_96 = lean_ctor_get_uint8(x_28, 12);
-x_97 = lean_ctor_get_uint8(x_28, 13);
+uint8_t x_83; uint8_t x_84; uint8_t x_85; uint8_t x_86; uint8_t x_87; uint8_t x_88; uint8_t x_89; uint8_t x_90; uint8_t x_91; uint8_t x_92; uint8_t x_93; uint8_t x_94; uint8_t x_95; uint8_t x_96; lean_object* x_97; lean_object* x_98; 
+x_83 = lean_ctor_get_uint8(x_28, 0);
+x_84 = lean_ctor_get_uint8(x_28, 1);
+x_85 = lean_ctor_get_uint8(x_28, 2);
+x_86 = lean_ctor_get_uint8(x_28, 3);
+x_87 = lean_ctor_get_uint8(x_28, 4);
+x_88 = lean_ctor_get_uint8(x_28, 6);
+x_89 = lean_ctor_get_uint8(x_28, 7);
+x_90 = lean_ctor_get_uint8(x_28, 8);
+x_91 = lean_ctor_get_uint8(x_28, 9);
+x_92 = lean_ctor_get_uint8(x_28, 10);
+x_93 = lean_ctor_get_uint8(x_28, 11);
+x_94 = lean_ctor_get_uint8(x_28, 12);
+x_95 = lean_ctor_get_uint8(x_28, 13);
 lean_dec(x_28);
-x_98 = 1;
-x_99 = lean_alloc_ctor(0, 0, 14);
-lean_ctor_set_uint8(x_99, 0, x_85);
-lean_ctor_set_uint8(x_99, 1, x_86);
-lean_ctor_set_uint8(x_99, 2, x_87);
-lean_ctor_set_uint8(x_99, 3, x_88);
-lean_ctor_set_uint8(x_99, 4, x_89);
-lean_ctor_set_uint8(x_99, 5, x_98);
-lean_ctor_set_uint8(x_99, 6, x_90);
-lean_ctor_set_uint8(x_99, 7, x_91);
-lean_ctor_set_uint8(x_99, 8, x_92);
-lean_ctor_set_uint8(x_99, 9, x_93);
-lean_ctor_set_uint8(x_99, 10, x_94);
-lean_ctor_set_uint8(x_99, 11, x_95);
-lean_ctor_set_uint8(x_99, 12, x_96);
-lean_ctor_set_uint8(x_99, 13, x_97);
-lean_ctor_set(x_3, 0, x_99);
+x_96 = 1;
+x_97 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_97, 0, x_83);
+lean_ctor_set_uint8(x_97, 1, x_84);
+lean_ctor_set_uint8(x_97, 2, x_85);
+lean_ctor_set_uint8(x_97, 3, x_86);
+lean_ctor_set_uint8(x_97, 4, x_87);
+lean_ctor_set_uint8(x_97, 5, x_96);
+lean_ctor_set_uint8(x_97, 6, x_88);
+lean_ctor_set_uint8(x_97, 7, x_89);
+lean_ctor_set_uint8(x_97, 8, x_90);
+lean_ctor_set_uint8(x_97, 9, x_91);
+lean_ctor_set_uint8(x_97, 10, x_92);
+lean_ctor_set_uint8(x_97, 11, x_93);
+lean_ctor_set_uint8(x_97, 12, x_94);
+lean_ctor_set_uint8(x_97, 13, x_95);
+lean_ctor_set(x_3, 0, x_97);
 lean_inc(x_6);
 lean_inc(x_4);
-x_100 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_23, x_2, x_26, x_3, x_4, x_5, x_6, x_24);
-if (lean_obj_tag(x_100) == 0)
+x_98 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_23, x_2, x_26, x_3, x_4, x_5, x_6, x_24);
+if (lean_obj_tag(x_98) == 0)
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_st_ref_get(x_6, x_102);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+x_101 = lean_st_ref_get(x_6, x_100);
 lean_dec(x_6);
-x_104 = lean_ctor_get(x_103, 1);
+x_102 = lean_ctor_get(x_101, 1);
+lean_inc(x_102);
+lean_dec(x_101);
+x_103 = lean_st_ref_take(x_4, x_102);
+x_104 = lean_ctor_get(x_103, 0);
 lean_inc(x_104);
-lean_dec(x_103);
-x_105 = lean_st_ref_take(x_4, x_104);
-x_106 = lean_ctor_get(x_105, 0);
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_103, 1);
 lean_inc(x_106);
-x_107 = lean_ctor_get(x_106, 1);
+lean_dec(x_103);
+x_107 = lean_ctor_get(x_104, 0);
 lean_inc(x_107);
-x_108 = lean_ctor_get(x_105, 1);
+x_108 = lean_ctor_get(x_104, 2);
 lean_inc(x_108);
-lean_dec(x_105);
-x_109 = lean_ctor_get(x_106, 0);
+x_109 = lean_ctor_get(x_104, 3);
 lean_inc(x_109);
-x_110 = lean_ctor_get(x_106, 2);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_106, 3);
+if (lean_is_exclusive(x_104)) {
+ lean_ctor_release(x_104, 0);
+ lean_ctor_release(x_104, 1);
+ lean_ctor_release(x_104, 2);
+ lean_ctor_release(x_104, 3);
+ x_110 = x_104;
+} else {
+ lean_dec_ref(x_104);
+ x_110 = lean_box(0);
+}
+x_111 = lean_ctor_get(x_105, 0);
 lean_inc(x_111);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- lean_ctor_release(x_106, 2);
- lean_ctor_release(x_106, 3);
- x_112 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_112 = lean_box(0);
-}
-x_113 = lean_ctor_get(x_107, 0);
+x_112 = lean_ctor_get(x_105, 2);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_105, 3);
 lean_inc(x_113);
-x_114 = lean_ctor_get(x_107, 2);
+x_114 = lean_ctor_get(x_105, 4);
 lean_inc(x_114);
-x_115 = lean_ctor_get(x_107, 3);
+x_115 = lean_ctor_get(x_105, 5);
 lean_inc(x_115);
-x_116 = lean_ctor_get(x_107, 4);
+x_116 = lean_ctor_get(x_105, 1);
 lean_inc(x_116);
-x_117 = lean_ctor_get(x_107, 5);
-lean_inc(x_117);
-x_118 = lean_ctor_get(x_107, 6);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_107, 1);
-lean_inc(x_119);
-if (lean_is_exclusive(x_107)) {
- lean_ctor_release(x_107, 0);
- lean_ctor_release(x_107, 1);
- lean_ctor_release(x_107, 2);
- lean_ctor_release(x_107, 3);
- lean_ctor_release(x_107, 4);
- lean_ctor_release(x_107, 5);
- lean_ctor_release(x_107, 6);
- x_120 = x_107;
+if (lean_is_exclusive(x_105)) {
+ lean_ctor_release(x_105, 0);
+ lean_ctor_release(x_105, 1);
+ lean_ctor_release(x_105, 2);
+ lean_ctor_release(x_105, 3);
+ lean_ctor_release(x_105, 4);
+ lean_ctor_release(x_105, 5);
+ x_117 = x_105;
 } else {
- lean_dec_ref(x_107);
- x_120 = lean_box(0);
+ lean_dec_ref(x_105);
+ x_117 = lean_box(0);
 }
-lean_inc(x_101);
-x_121 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_119, x_19, x_101);
-if (lean_is_scalar(x_120)) {
- x_122 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_99);
+x_118 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_116, x_19, x_99);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_122 = x_120;
+ x_119 = x_117;
 }
-lean_ctor_set(x_122, 0, x_113);
-lean_ctor_set(x_122, 1, x_121);
-lean_ctor_set(x_122, 2, x_114);
-lean_ctor_set(x_122, 3, x_115);
-lean_ctor_set(x_122, 4, x_116);
-lean_ctor_set(x_122, 5, x_117);
-lean_ctor_set(x_122, 6, x_118);
-if (lean_is_scalar(x_112)) {
- x_123 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_119, 0, x_111);
+lean_ctor_set(x_119, 1, x_118);
+lean_ctor_set(x_119, 2, x_112);
+lean_ctor_set(x_119, 3, x_113);
+lean_ctor_set(x_119, 4, x_114);
+lean_ctor_set(x_119, 5, x_115);
+if (lean_is_scalar(x_110)) {
+ x_120 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_123 = x_112;
+ x_120 = x_110;
 }
-lean_ctor_set(x_123, 0, x_109);
-lean_ctor_set(x_123, 1, x_122);
-lean_ctor_set(x_123, 2, x_110);
-lean_ctor_set(x_123, 3, x_111);
-x_124 = lean_st_ref_set(x_4, x_123, x_108);
+lean_ctor_set(x_120, 0, x_107);
+lean_ctor_set(x_120, 1, x_119);
+lean_ctor_set(x_120, 2, x_108);
+lean_ctor_set(x_120, 3, x_109);
+x_121 = lean_st_ref_set(x_4, x_120, x_106);
 lean_dec(x_4);
-x_125 = lean_ctor_get(x_124, 1);
-lean_inc(x_125);
-if (lean_is_exclusive(x_124)) {
- lean_ctor_release(x_124, 0);
- lean_ctor_release(x_124, 1);
- x_126 = x_124;
+x_122 = lean_ctor_get(x_121, 1);
+lean_inc(x_122);
+if (lean_is_exclusive(x_121)) {
+ lean_ctor_release(x_121, 0);
+ lean_ctor_release(x_121, 1);
+ x_123 = x_121;
 } else {
- lean_dec_ref(x_124);
- x_126 = lean_box(0);
+ lean_dec_ref(x_121);
+ x_123 = lean_box(0);
 }
-if (lean_is_scalar(x_126)) {
- x_127 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_123)) {
+ x_124 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_127 = x_126;
+ x_124 = x_123;
 }
-lean_ctor_set(x_127, 0, x_101);
-lean_ctor_set(x_127, 1, x_125);
-return x_127;
+lean_ctor_set(x_124, 0, x_99);
+lean_ctor_set(x_124, 1, x_122);
+return x_124;
 }
 else
 {
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; 
 lean_dec(x_19);
 lean_dec(x_6);
 lean_dec(x_4);
-x_128 = lean_ctor_get(x_100, 0);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_100, 1);
-lean_inc(x_129);
-if (lean_is_exclusive(x_100)) {
- lean_ctor_release(x_100, 0);
- lean_ctor_release(x_100, 1);
- x_130 = x_100;
+x_125 = lean_ctor_get(x_98, 0);
+lean_inc(x_125);
+x_126 = lean_ctor_get(x_98, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_98)) {
+ lean_ctor_release(x_98, 0);
+ lean_ctor_release(x_98, 1);
+ x_127 = x_98;
 } else {
- lean_dec_ref(x_100);
- x_130 = lean_box(0);
+ lean_dec_ref(x_98);
+ x_127 = lean_box(0);
 }
-if (lean_is_scalar(x_130)) {
- x_131 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_127)) {
+ x_128 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_131 = x_130;
+ x_128 = x_127;
 }
-lean_ctor_set(x_131, 0, x_128);
-lean_ctor_set(x_131, 1, x_129);
-return x_131;
+lean_ctor_set(x_128, 0, x_125);
+lean_ctor_set(x_128, 1, x_126);
+return x_128;
 }
 }
 }
 else
 {
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; uint8_t x_139; uint8_t x_140; uint8_t x_141; uint8_t x_142; uint8_t x_143; uint8_t x_144; uint8_t x_145; uint8_t x_146; uint8_t x_147; uint8_t x_148; uint8_t x_149; uint8_t x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
-x_132 = lean_ctor_get(x_3, 0);
-x_133 = lean_ctor_get(x_3, 1);
-x_134 = lean_ctor_get(x_3, 2);
-x_135 = lean_ctor_get(x_3, 3);
-x_136 = lean_ctor_get(x_3, 4);
-x_137 = lean_ctor_get(x_3, 5);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
+lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; uint8_t x_136; uint8_t x_137; uint8_t x_138; uint8_t x_139; uint8_t x_140; uint8_t x_141; uint8_t x_142; uint8_t x_143; uint8_t x_144; uint8_t x_145; uint8_t x_146; uint8_t x_147; lean_object* x_148; uint8_t x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
+x_129 = lean_ctor_get(x_3, 0);
+x_130 = lean_ctor_get(x_3, 1);
+x_131 = lean_ctor_get(x_3, 2);
+x_132 = lean_ctor_get(x_3, 3);
+x_133 = lean_ctor_get(x_3, 4);
+x_134 = lean_ctor_get(x_3, 5);
 lean_inc(x_134);
 lean_inc(x_133);
 lean_inc(x_132);
+lean_inc(x_131);
+lean_inc(x_130);
+lean_inc(x_129);
 lean_dec(x_3);
-x_138 = lean_ctor_get_uint8(x_132, 0);
-x_139 = lean_ctor_get_uint8(x_132, 1);
-x_140 = lean_ctor_get_uint8(x_132, 2);
-x_141 = lean_ctor_get_uint8(x_132, 3);
-x_142 = lean_ctor_get_uint8(x_132, 4);
-x_143 = lean_ctor_get_uint8(x_132, 6);
-x_144 = lean_ctor_get_uint8(x_132, 7);
-x_145 = lean_ctor_get_uint8(x_132, 8);
-x_146 = lean_ctor_get_uint8(x_132, 9);
-x_147 = lean_ctor_get_uint8(x_132, 10);
-x_148 = lean_ctor_get_uint8(x_132, 11);
-x_149 = lean_ctor_get_uint8(x_132, 12);
-x_150 = lean_ctor_get_uint8(x_132, 13);
-if (lean_is_exclusive(x_132)) {
- x_151 = x_132;
+x_135 = lean_ctor_get_uint8(x_129, 0);
+x_136 = lean_ctor_get_uint8(x_129, 1);
+x_137 = lean_ctor_get_uint8(x_129, 2);
+x_138 = lean_ctor_get_uint8(x_129, 3);
+x_139 = lean_ctor_get_uint8(x_129, 4);
+x_140 = lean_ctor_get_uint8(x_129, 6);
+x_141 = lean_ctor_get_uint8(x_129, 7);
+x_142 = lean_ctor_get_uint8(x_129, 8);
+x_143 = lean_ctor_get_uint8(x_129, 9);
+x_144 = lean_ctor_get_uint8(x_129, 10);
+x_145 = lean_ctor_get_uint8(x_129, 11);
+x_146 = lean_ctor_get_uint8(x_129, 12);
+x_147 = lean_ctor_get_uint8(x_129, 13);
+if (lean_is_exclusive(x_129)) {
+ x_148 = x_129;
 } else {
- lean_dec_ref(x_132);
- x_151 = lean_box(0);
+ lean_dec_ref(x_129);
+ x_148 = lean_box(0);
 }
-x_152 = 1;
-if (lean_is_scalar(x_151)) {
- x_153 = lean_alloc_ctor(0, 0, 14);
+x_149 = 1;
+if (lean_is_scalar(x_148)) {
+ x_150 = lean_alloc_ctor(0, 0, 14);
 } else {
- x_153 = x_151;
+ x_150 = x_148;
 }
-lean_ctor_set_uint8(x_153, 0, x_138);
-lean_ctor_set_uint8(x_153, 1, x_139);
-lean_ctor_set_uint8(x_153, 2, x_140);
-lean_ctor_set_uint8(x_153, 3, x_141);
-lean_ctor_set_uint8(x_153, 4, x_142);
-lean_ctor_set_uint8(x_153, 5, x_152);
-lean_ctor_set_uint8(x_153, 6, x_143);
-lean_ctor_set_uint8(x_153, 7, x_144);
-lean_ctor_set_uint8(x_153, 8, x_145);
-lean_ctor_set_uint8(x_153, 9, x_146);
-lean_ctor_set_uint8(x_153, 10, x_147);
-lean_ctor_set_uint8(x_153, 11, x_148);
-lean_ctor_set_uint8(x_153, 12, x_149);
-lean_ctor_set_uint8(x_153, 13, x_150);
-x_154 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_154, 0, x_153);
-lean_ctor_set(x_154, 1, x_133);
-lean_ctor_set(x_154, 2, x_134);
-lean_ctor_set(x_154, 3, x_135);
-lean_ctor_set(x_154, 4, x_136);
-lean_ctor_set(x_154, 5, x_137);
+lean_ctor_set_uint8(x_150, 0, x_135);
+lean_ctor_set_uint8(x_150, 1, x_136);
+lean_ctor_set_uint8(x_150, 2, x_137);
+lean_ctor_set_uint8(x_150, 3, x_138);
+lean_ctor_set_uint8(x_150, 4, x_139);
+lean_ctor_set_uint8(x_150, 5, x_149);
+lean_ctor_set_uint8(x_150, 6, x_140);
+lean_ctor_set_uint8(x_150, 7, x_141);
+lean_ctor_set_uint8(x_150, 8, x_142);
+lean_ctor_set_uint8(x_150, 9, x_143);
+lean_ctor_set_uint8(x_150, 10, x_144);
+lean_ctor_set_uint8(x_150, 11, x_145);
+lean_ctor_set_uint8(x_150, 12, x_146);
+lean_ctor_set_uint8(x_150, 13, x_147);
+x_151 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_151, 0, x_150);
+lean_ctor_set(x_151, 1, x_130);
+lean_ctor_set(x_151, 2, x_131);
+lean_ctor_set(x_151, 3, x_132);
+lean_ctor_set(x_151, 4, x_133);
+lean_ctor_set(x_151, 5, x_134);
 lean_inc(x_6);
 lean_inc(x_4);
-x_155 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_23, x_2, x_26, x_154, x_4, x_5, x_6, x_24);
-if (lean_obj_tag(x_155) == 0)
+x_152 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_23, x_2, x_26, x_151, x_4, x_5, x_6, x_24);
+if (lean_obj_tag(x_152) == 0)
 {
-lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_155, 1);
-lean_inc(x_157);
-lean_dec(x_155);
-x_158 = lean_st_ref_get(x_6, x_157);
+lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
+x_153 = lean_ctor_get(x_152, 0);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_152, 1);
+lean_inc(x_154);
+lean_dec(x_152);
+x_155 = lean_st_ref_get(x_6, x_154);
 lean_dec(x_6);
+x_156 = lean_ctor_get(x_155, 1);
+lean_inc(x_156);
+lean_dec(x_155);
+x_157 = lean_st_ref_take(x_4, x_156);
+x_158 = lean_ctor_get(x_157, 0);
+lean_inc(x_158);
 x_159 = lean_ctor_get(x_158, 1);
 lean_inc(x_159);
-lean_dec(x_158);
-x_160 = lean_st_ref_take(x_4, x_159);
-x_161 = lean_ctor_get(x_160, 0);
+x_160 = lean_ctor_get(x_157, 1);
+lean_inc(x_160);
+lean_dec(x_157);
+x_161 = lean_ctor_get(x_158, 0);
 lean_inc(x_161);
-x_162 = lean_ctor_get(x_161, 1);
+x_162 = lean_ctor_get(x_158, 2);
 lean_inc(x_162);
-x_163 = lean_ctor_get(x_160, 1);
+x_163 = lean_ctor_get(x_158, 3);
 lean_inc(x_163);
-lean_dec(x_160);
-x_164 = lean_ctor_get(x_161, 0);
-lean_inc(x_164);
-x_165 = lean_ctor_get(x_161, 2);
+if (lean_is_exclusive(x_158)) {
+ lean_ctor_release(x_158, 0);
+ lean_ctor_release(x_158, 1);
+ lean_ctor_release(x_158, 2);
+ lean_ctor_release(x_158, 3);
+ x_164 = x_158;
+} else {
+ lean_dec_ref(x_158);
+ x_164 = lean_box(0);
+}
+x_165 = lean_ctor_get(x_159, 0);
 lean_inc(x_165);
-x_166 = lean_ctor_get(x_161, 3);
+x_166 = lean_ctor_get(x_159, 2);
 lean_inc(x_166);
-if (lean_is_exclusive(x_161)) {
- lean_ctor_release(x_161, 0);
- lean_ctor_release(x_161, 1);
- lean_ctor_release(x_161, 2);
- lean_ctor_release(x_161, 3);
- x_167 = x_161;
-} else {
- lean_dec_ref(x_161);
- x_167 = lean_box(0);
-}
-x_168 = lean_ctor_get(x_162, 0);
+x_167 = lean_ctor_get(x_159, 3);
+lean_inc(x_167);
+x_168 = lean_ctor_get(x_159, 4);
 lean_inc(x_168);
-x_169 = lean_ctor_get(x_162, 2);
+x_169 = lean_ctor_get(x_159, 5);
 lean_inc(x_169);
-x_170 = lean_ctor_get(x_162, 3);
+x_170 = lean_ctor_get(x_159, 1);
 lean_inc(x_170);
-x_171 = lean_ctor_get(x_162, 4);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_162, 5);
-lean_inc(x_172);
-x_173 = lean_ctor_get(x_162, 6);
-lean_inc(x_173);
-x_174 = lean_ctor_get(x_162, 1);
-lean_inc(x_174);
-if (lean_is_exclusive(x_162)) {
- lean_ctor_release(x_162, 0);
- lean_ctor_release(x_162, 1);
- lean_ctor_release(x_162, 2);
- lean_ctor_release(x_162, 3);
- lean_ctor_release(x_162, 4);
- lean_ctor_release(x_162, 5);
- lean_ctor_release(x_162, 6);
- x_175 = x_162;
+if (lean_is_exclusive(x_159)) {
+ lean_ctor_release(x_159, 0);
+ lean_ctor_release(x_159, 1);
+ lean_ctor_release(x_159, 2);
+ lean_ctor_release(x_159, 3);
+ lean_ctor_release(x_159, 4);
+ lean_ctor_release(x_159, 5);
+ x_171 = x_159;
 } else {
- lean_dec_ref(x_162);
- x_175 = lean_box(0);
+ lean_dec_ref(x_159);
+ x_171 = lean_box(0);
 }
-lean_inc(x_156);
-x_176 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_174, x_19, x_156);
-if (lean_is_scalar(x_175)) {
- x_177 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_153);
+x_172 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_170, x_19, x_153);
+if (lean_is_scalar(x_171)) {
+ x_173 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_177 = x_175;
+ x_173 = x_171;
 }
-lean_ctor_set(x_177, 0, x_168);
-lean_ctor_set(x_177, 1, x_176);
-lean_ctor_set(x_177, 2, x_169);
-lean_ctor_set(x_177, 3, x_170);
-lean_ctor_set(x_177, 4, x_171);
-lean_ctor_set(x_177, 5, x_172);
-lean_ctor_set(x_177, 6, x_173);
-if (lean_is_scalar(x_167)) {
- x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_173, 0, x_165);
+lean_ctor_set(x_173, 1, x_172);
+lean_ctor_set(x_173, 2, x_166);
+lean_ctor_set(x_173, 3, x_167);
+lean_ctor_set(x_173, 4, x_168);
+lean_ctor_set(x_173, 5, x_169);
+if (lean_is_scalar(x_164)) {
+ x_174 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_178 = x_167;
+ x_174 = x_164;
 }
-lean_ctor_set(x_178, 0, x_164);
-lean_ctor_set(x_178, 1, x_177);
-lean_ctor_set(x_178, 2, x_165);
-lean_ctor_set(x_178, 3, x_166);
-x_179 = lean_st_ref_set(x_4, x_178, x_163);
+lean_ctor_set(x_174, 0, x_161);
+lean_ctor_set(x_174, 1, x_173);
+lean_ctor_set(x_174, 2, x_162);
+lean_ctor_set(x_174, 3, x_163);
+x_175 = lean_st_ref_set(x_4, x_174, x_160);
 lean_dec(x_4);
-x_180 = lean_ctor_get(x_179, 1);
-lean_inc(x_180);
-if (lean_is_exclusive(x_179)) {
- lean_ctor_release(x_179, 0);
- lean_ctor_release(x_179, 1);
- x_181 = x_179;
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
 } else {
- lean_dec_ref(x_179);
- x_181 = lean_box(0);
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
 }
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_177)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_182 = x_181;
+ x_178 = x_177;
 }
-lean_ctor_set(x_182, 0, x_156);
-lean_ctor_set(x_182, 1, x_180);
-return x_182;
+lean_ctor_set(x_178, 0, x_153);
+lean_ctor_set(x_178, 1, x_176);
+return x_178;
 }
 else
 {
-lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; 
 lean_dec(x_19);
 lean_dec(x_6);
 lean_dec(x_4);
-x_183 = lean_ctor_get(x_155, 0);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_155, 1);
-lean_inc(x_184);
-if (lean_is_exclusive(x_155)) {
- lean_ctor_release(x_155, 0);
- lean_ctor_release(x_155, 1);
- x_185 = x_155;
+x_179 = lean_ctor_get(x_152, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_152, 1);
+lean_inc(x_180);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_181 = x_152;
 } else {
- lean_dec_ref(x_155);
- x_185 = lean_box(0);
+ lean_dec_ref(x_152);
+ x_181 = lean_box(0);
 }
-if (lean_is_scalar(x_185)) {
- x_186 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_181)) {
+ x_182 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_186 = x_185;
+ x_182 = x_181;
 }
-lean_ctor_set(x_186, 0, x_183);
-lean_ctor_set(x_186, 1, x_184);
-return x_186;
+lean_ctor_set(x_182, 0, x_179);
+lean_ctor_set(x_182, 1, x_180);
+return x_182;
 }
 }
 }
 else
 {
-uint8_t x_187; 
+uint8_t x_183; 
 lean_dec(x_19);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_187 = !lean_is_exclusive(x_22);
-if (x_187 == 0)
+x_183 = !lean_is_exclusive(x_22);
+if (x_183 == 0)
 {
 return x_22;
 }
 else
 {
-lean_object* x_188; lean_object* x_189; lean_object* x_190; 
-x_188 = lean_ctor_get(x_22, 0);
-x_189 = lean_ctor_get(x_22, 1);
-lean_inc(x_189);
-lean_inc(x_188);
+lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+x_184 = lean_ctor_get(x_22, 0);
+x_185 = lean_ctor_get(x_22, 1);
+lean_inc(x_185);
+lean_inc(x_184);
 lean_dec(x_22);
-x_190 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_190, 0, x_188);
-lean_ctor_set(x_190, 1, x_189);
-return x_190;
+x_186 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_186, 0, x_184);
+lean_ctor_set(x_186, 1, x_185);
+return x_186;
 }
 }
 }
 else
 {
-lean_object* x_191; 
+lean_object* x_187; 
 lean_dec(x_19);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -7537,68 +7511,68 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_191 = lean_ctor_get(x_21, 0);
-lean_inc(x_191);
+x_187 = lean_ctor_get(x_21, 0);
+lean_inc(x_187);
 lean_dec(x_21);
-lean_ctor_set(x_13, 0, x_191);
+lean_ctor_set(x_13, 0, x_187);
 return x_13;
 }
 }
 else
 {
-lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; lean_object* x_198; 
-x_192 = lean_ctor_get(x_13, 0);
-x_193 = lean_ctor_get(x_13, 1);
-lean_inc(x_193);
-lean_inc(x_192);
+lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; uint8_t x_193; lean_object* x_194; 
+x_188 = lean_ctor_get(x_13, 0);
+x_189 = lean_ctor_get(x_13, 1);
+lean_inc(x_189);
+lean_inc(x_188);
 lean_dec(x_13);
-x_194 = lean_ctor_get(x_192, 1);
-lean_inc(x_194);
-lean_dec(x_192);
-x_195 = lean_ctor_get(x_194, 1);
-lean_inc(x_195);
-lean_dec(x_194);
+x_190 = lean_ctor_get(x_188, 1);
+lean_inc(x_190);
+lean_dec(x_188);
+x_191 = lean_ctor_get(x_190, 1);
+lean_inc(x_191);
+lean_dec(x_190);
 lean_inc(x_2);
 lean_inc(x_1);
-x_196 = lean_alloc_ctor(0, 2, 1);
-lean_ctor_set(x_196, 0, x_1);
-lean_ctor_set(x_196, 1, x_2);
-x_197 = lean_unbox(x_9);
+x_192 = lean_alloc_ctor(0, 2, 1);
+lean_ctor_set(x_192, 0, x_1);
+lean_ctor_set(x_192, 1, x_2);
+x_193 = lean_unbox(x_9);
 lean_dec(x_9);
-lean_ctor_set_uint8(x_196, sizeof(void*)*2, x_197);
-lean_inc(x_196);
-x_198 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__1(x_195, x_196);
-if (lean_obj_tag(x_198) == 0)
+lean_ctor_set_uint8(x_192, sizeof(void*)*2, x_193);
+lean_inc(x_192);
+x_194 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__1(x_191, x_192);
+if (lean_obj_tag(x_194) == 0)
 {
-lean_object* x_199; 
+lean_object* x_195; 
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_199 = lean_infer_type(x_1, x_3, x_4, x_5, x_6, x_193);
-if (lean_obj_tag(x_199) == 0)
+x_195 = lean_infer_type(x_1, x_3, x_4, x_5, x_6, x_189);
+if (lean_obj_tag(x_195) == 0)
 {
-lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; uint8_t x_211; uint8_t x_212; uint8_t x_213; uint8_t x_214; uint8_t x_215; uint8_t x_216; uint8_t x_217; uint8_t x_218; uint8_t x_219; uint8_t x_220; uint8_t x_221; uint8_t x_222; uint8_t x_223; lean_object* x_224; uint8_t x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; 
-x_200 = lean_ctor_get(x_199, 0);
+lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; uint8_t x_208; uint8_t x_209; uint8_t x_210; uint8_t x_211; uint8_t x_212; uint8_t x_213; uint8_t x_214; uint8_t x_215; uint8_t x_216; uint8_t x_217; uint8_t x_218; uint8_t x_219; lean_object* x_220; uint8_t x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; 
+x_196 = lean_ctor_get(x_195, 0);
+lean_inc(x_196);
+x_197 = lean_ctor_get(x_195, 1);
+lean_inc(x_197);
+lean_dec(x_195);
+x_198 = l___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___closed__1;
+x_199 = lean_alloc_closure((void*)(l___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___lambda__1___boxed), 8, 1);
+lean_closure_set(x_199, 0, x_198);
+x_200 = lean_ctor_get(x_3, 0);
 lean_inc(x_200);
-x_201 = lean_ctor_get(x_199, 1);
+x_201 = lean_ctor_get(x_3, 1);
 lean_inc(x_201);
-lean_dec(x_199);
-x_202 = l___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___closed__1;
-x_203 = lean_alloc_closure((void*)(l___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___lambda__1___boxed), 8, 1);
-lean_closure_set(x_203, 0, x_202);
-x_204 = lean_ctor_get(x_3, 0);
+x_202 = lean_ctor_get(x_3, 2);
+lean_inc(x_202);
+x_203 = lean_ctor_get(x_3, 3);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_3, 4);
 lean_inc(x_204);
-x_205 = lean_ctor_get(x_3, 1);
+x_205 = lean_ctor_get(x_3, 5);
 lean_inc(x_205);
-x_206 = lean_ctor_get(x_3, 2);
-lean_inc(x_206);
-x_207 = lean_ctor_get(x_3, 3);
-lean_inc(x_207);
-x_208 = lean_ctor_get(x_3, 4);
-lean_inc(x_208);
-x_209 = lean_ctor_get(x_3, 5);
-lean_inc(x_209);
 if (lean_is_exclusive(x_3)) {
  lean_ctor_release(x_3, 0);
  lean_ctor_release(x_3, 1);
@@ -7606,248 +7580,244 @@ if (lean_is_exclusive(x_3)) {
  lean_ctor_release(x_3, 3);
  lean_ctor_release(x_3, 4);
  lean_ctor_release(x_3, 5);
- x_210 = x_3;
+ x_206 = x_3;
 } else {
  lean_dec_ref(x_3);
- x_210 = lean_box(0);
+ x_206 = lean_box(0);
 }
-x_211 = lean_ctor_get_uint8(x_204, 0);
-x_212 = lean_ctor_get_uint8(x_204, 1);
-x_213 = lean_ctor_get_uint8(x_204, 2);
-x_214 = lean_ctor_get_uint8(x_204, 3);
-x_215 = lean_ctor_get_uint8(x_204, 4);
-x_216 = lean_ctor_get_uint8(x_204, 6);
-x_217 = lean_ctor_get_uint8(x_204, 7);
-x_218 = lean_ctor_get_uint8(x_204, 8);
-x_219 = lean_ctor_get_uint8(x_204, 9);
-x_220 = lean_ctor_get_uint8(x_204, 10);
-x_221 = lean_ctor_get_uint8(x_204, 11);
-x_222 = lean_ctor_get_uint8(x_204, 12);
-x_223 = lean_ctor_get_uint8(x_204, 13);
-if (lean_is_exclusive(x_204)) {
- x_224 = x_204;
+x_207 = lean_ctor_get_uint8(x_200, 0);
+x_208 = lean_ctor_get_uint8(x_200, 1);
+x_209 = lean_ctor_get_uint8(x_200, 2);
+x_210 = lean_ctor_get_uint8(x_200, 3);
+x_211 = lean_ctor_get_uint8(x_200, 4);
+x_212 = lean_ctor_get_uint8(x_200, 6);
+x_213 = lean_ctor_get_uint8(x_200, 7);
+x_214 = lean_ctor_get_uint8(x_200, 8);
+x_215 = lean_ctor_get_uint8(x_200, 9);
+x_216 = lean_ctor_get_uint8(x_200, 10);
+x_217 = lean_ctor_get_uint8(x_200, 11);
+x_218 = lean_ctor_get_uint8(x_200, 12);
+x_219 = lean_ctor_get_uint8(x_200, 13);
+if (lean_is_exclusive(x_200)) {
+ x_220 = x_200;
 } else {
- lean_dec_ref(x_204);
- x_224 = lean_box(0);
+ lean_dec_ref(x_200);
+ x_220 = lean_box(0);
 }
-x_225 = 1;
-if (lean_is_scalar(x_224)) {
- x_226 = lean_alloc_ctor(0, 0, 14);
+x_221 = 1;
+if (lean_is_scalar(x_220)) {
+ x_222 = lean_alloc_ctor(0, 0, 14);
 } else {
- x_226 = x_224;
+ x_222 = x_220;
 }
-lean_ctor_set_uint8(x_226, 0, x_211);
-lean_ctor_set_uint8(x_226, 1, x_212);
-lean_ctor_set_uint8(x_226, 2, x_213);
-lean_ctor_set_uint8(x_226, 3, x_214);
-lean_ctor_set_uint8(x_226, 4, x_215);
-lean_ctor_set_uint8(x_226, 5, x_225);
-lean_ctor_set_uint8(x_226, 6, x_216);
-lean_ctor_set_uint8(x_226, 7, x_217);
-lean_ctor_set_uint8(x_226, 8, x_218);
-lean_ctor_set_uint8(x_226, 9, x_219);
-lean_ctor_set_uint8(x_226, 10, x_220);
-lean_ctor_set_uint8(x_226, 11, x_221);
-lean_ctor_set_uint8(x_226, 12, x_222);
-lean_ctor_set_uint8(x_226, 13, x_223);
-if (lean_is_scalar(x_210)) {
- x_227 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set_uint8(x_222, 0, x_207);
+lean_ctor_set_uint8(x_222, 1, x_208);
+lean_ctor_set_uint8(x_222, 2, x_209);
+lean_ctor_set_uint8(x_222, 3, x_210);
+lean_ctor_set_uint8(x_222, 4, x_211);
+lean_ctor_set_uint8(x_222, 5, x_221);
+lean_ctor_set_uint8(x_222, 6, x_212);
+lean_ctor_set_uint8(x_222, 7, x_213);
+lean_ctor_set_uint8(x_222, 8, x_214);
+lean_ctor_set_uint8(x_222, 9, x_215);
+lean_ctor_set_uint8(x_222, 10, x_216);
+lean_ctor_set_uint8(x_222, 11, x_217);
+lean_ctor_set_uint8(x_222, 12, x_218);
+lean_ctor_set_uint8(x_222, 13, x_219);
+if (lean_is_scalar(x_206)) {
+ x_223 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_227 = x_210;
+ x_223 = x_206;
 }
-lean_ctor_set(x_227, 0, x_226);
-lean_ctor_set(x_227, 1, x_205);
-lean_ctor_set(x_227, 2, x_206);
-lean_ctor_set(x_227, 3, x_207);
-lean_ctor_set(x_227, 4, x_208);
-lean_ctor_set(x_227, 5, x_209);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_201);
+lean_ctor_set(x_223, 2, x_202);
+lean_ctor_set(x_223, 3, x_203);
+lean_ctor_set(x_223, 4, x_204);
+lean_ctor_set(x_223, 5, x_205);
 lean_inc(x_6);
 lean_inc(x_4);
-x_228 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_200, x_2, x_203, x_227, x_4, x_5, x_6, x_201);
-if (lean_obj_tag(x_228) == 0)
+x_224 = l_Lean_Meta_forallBoundedTelescope___at___private_Lean_Meta_FunInfo_0__Lean_Meta_getFunInfoAux___spec__8___rarg(x_196, x_2, x_199, x_223, x_4, x_5, x_6, x_197);
+if (lean_obj_tag(x_224) == 0)
 {
-lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; 
-x_229 = lean_ctor_get(x_228, 0);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_228, 1);
+lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; 
+x_225 = lean_ctor_get(x_224, 0);
+lean_inc(x_225);
+x_226 = lean_ctor_get(x_224, 1);
+lean_inc(x_226);
+lean_dec(x_224);
+x_227 = lean_st_ref_get(x_6, x_226);
+lean_dec(x_6);
+x_228 = lean_ctor_get(x_227, 1);
+lean_inc(x_228);
+lean_dec(x_227);
+x_229 = lean_st_ref_take(x_4, x_228);
+x_230 = lean_ctor_get(x_229, 0);
 lean_inc(x_230);
-lean_dec(x_228);
-x_231 = lean_st_ref_get(x_6, x_230);
-lean_dec(x_6);
-x_232 = lean_ctor_get(x_231, 1);
+x_231 = lean_ctor_get(x_230, 1);
+lean_inc(x_231);
+x_232 = lean_ctor_get(x_229, 1);
 lean_inc(x_232);
-lean_dec(x_231);
-x_233 = lean_st_ref_take(x_4, x_232);
-x_234 = lean_ctor_get(x_233, 0);
+lean_dec(x_229);
+x_233 = lean_ctor_get(x_230, 0);
+lean_inc(x_233);
+x_234 = lean_ctor_get(x_230, 2);
 lean_inc(x_234);
-x_235 = lean_ctor_get(x_234, 1);
+x_235 = lean_ctor_get(x_230, 3);
 lean_inc(x_235);
-x_236 = lean_ctor_get(x_233, 1);
-lean_inc(x_236);
-lean_dec(x_233);
-x_237 = lean_ctor_get(x_234, 0);
+if (lean_is_exclusive(x_230)) {
+ lean_ctor_release(x_230, 0);
+ lean_ctor_release(x_230, 1);
+ lean_ctor_release(x_230, 2);
+ lean_ctor_release(x_230, 3);
+ x_236 = x_230;
+} else {
+ lean_dec_ref(x_230);
+ x_236 = lean_box(0);
+}
+x_237 = lean_ctor_get(x_231, 0);
 lean_inc(x_237);
-x_238 = lean_ctor_get(x_234, 2);
+x_238 = lean_ctor_get(x_231, 2);
 lean_inc(x_238);
-x_239 = lean_ctor_get(x_234, 3);
+x_239 = lean_ctor_get(x_231, 3);
 lean_inc(x_239);
-if (lean_is_exclusive(x_234)) {
- lean_ctor_release(x_234, 0);
- lean_ctor_release(x_234, 1);
- lean_ctor_release(x_234, 2);
- lean_ctor_release(x_234, 3);
- x_240 = x_234;
-} else {
- lean_dec_ref(x_234);
- x_240 = lean_box(0);
-}
-x_241 = lean_ctor_get(x_235, 0);
+x_240 = lean_ctor_get(x_231, 4);
+lean_inc(x_240);
+x_241 = lean_ctor_get(x_231, 5);
 lean_inc(x_241);
-x_242 = lean_ctor_get(x_235, 2);
+x_242 = lean_ctor_get(x_231, 1);
 lean_inc(x_242);
-x_243 = lean_ctor_get(x_235, 3);
-lean_inc(x_243);
-x_244 = lean_ctor_get(x_235, 4);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_235, 5);
-lean_inc(x_245);
-x_246 = lean_ctor_get(x_235, 6);
-lean_inc(x_246);
-x_247 = lean_ctor_get(x_235, 1);
-lean_inc(x_247);
-if (lean_is_exclusive(x_235)) {
- lean_ctor_release(x_235, 0);
- lean_ctor_release(x_235, 1);
- lean_ctor_release(x_235, 2);
- lean_ctor_release(x_235, 3);
- lean_ctor_release(x_235, 4);
- lean_ctor_release(x_235, 5);
- lean_ctor_release(x_235, 6);
- x_248 = x_235;
+if (lean_is_exclusive(x_231)) {
+ lean_ctor_release(x_231, 0);
+ lean_ctor_release(x_231, 1);
+ lean_ctor_release(x_231, 2);
+ lean_ctor_release(x_231, 3);
+ lean_ctor_release(x_231, 4);
+ lean_ctor_release(x_231, 5);
+ x_243 = x_231;
 } else {
- lean_dec_ref(x_235);
- x_248 = lean_box(0);
+ lean_dec_ref(x_231);
+ x_243 = lean_box(0);
 }
-lean_inc(x_229);
-x_249 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_247, x_196, x_229);
-if (lean_is_scalar(x_248)) {
- x_250 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_225);
+x_244 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_FunInfo_0__Lean_Meta_checkFunInfoCache___spec__4(x_242, x_192, x_225);
+if (lean_is_scalar(x_243)) {
+ x_245 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_250 = x_248;
+ x_245 = x_243;
 }
-lean_ctor_set(x_250, 0, x_241);
-lean_ctor_set(x_250, 1, x_249);
-lean_ctor_set(x_250, 2, x_242);
-lean_ctor_set(x_250, 3, x_243);
-lean_ctor_set(x_250, 4, x_244);
-lean_ctor_set(x_250, 5, x_245);
-lean_ctor_set(x_250, 6, x_246);
-if (lean_is_scalar(x_240)) {
- x_251 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_245, 0, x_237);
+lean_ctor_set(x_245, 1, x_244);
+lean_ctor_set(x_245, 2, x_238);
+lean_ctor_set(x_245, 3, x_239);
+lean_ctor_set(x_245, 4, x_240);
+lean_ctor_set(x_245, 5, x_241);
+if (lean_is_scalar(x_236)) {
+ x_246 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_251 = x_240;
+ x_246 = x_236;
 }
-lean_ctor_set(x_251, 0, x_237);
-lean_ctor_set(x_251, 1, x_250);
-lean_ctor_set(x_251, 2, x_238);
-lean_ctor_set(x_251, 3, x_239);
-x_252 = lean_st_ref_set(x_4, x_251, x_236);
+lean_ctor_set(x_246, 0, x_233);
+lean_ctor_set(x_246, 1, x_245);
+lean_ctor_set(x_246, 2, x_234);
+lean_ctor_set(x_246, 3, x_235);
+x_247 = lean_st_ref_set(x_4, x_246, x_232);
 lean_dec(x_4);
-x_253 = lean_ctor_get(x_252, 1);
-lean_inc(x_253);
-if (lean_is_exclusive(x_252)) {
- lean_ctor_release(x_252, 0);
- lean_ctor_release(x_252, 1);
- x_254 = x_252;
+x_248 = lean_ctor_get(x_247, 1);
+lean_inc(x_248);
+if (lean_is_exclusive(x_247)) {
+ lean_ctor_release(x_247, 0);
+ lean_ctor_release(x_247, 1);
+ x_249 = x_247;
 } else {
- lean_dec_ref(x_252);
- x_254 = lean_box(0);
+ lean_dec_ref(x_247);
+ x_249 = lean_box(0);
 }
-if (lean_is_scalar(x_254)) {
- x_255 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_249)) {
+ x_250 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_255 = x_254;
+ x_250 = x_249;
 }
-lean_ctor_set(x_255, 0, x_229);
-lean_ctor_set(x_255, 1, x_253);
-return x_255;
+lean_ctor_set(x_250, 0, x_225);
+lean_ctor_set(x_250, 1, x_248);
+return x_250;
 }
 else
 {
-lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; 
-lean_dec(x_196);
+lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; 
+lean_dec(x_192);
 lean_dec(x_6);
 lean_dec(x_4);
-x_256 = lean_ctor_get(x_228, 0);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_228, 1);
-lean_inc(x_257);
-if (lean_is_exclusive(x_228)) {
- lean_ctor_release(x_228, 0);
- lean_ctor_release(x_228, 1);
- x_258 = x_228;
+x_251 = lean_ctor_get(x_224, 0);
+lean_inc(x_251);
+x_252 = lean_ctor_get(x_224, 1);
+lean_inc(x_252);
+if (lean_is_exclusive(x_224)) {
+ lean_ctor_release(x_224, 0);
+ lean_ctor_release(x_224, 1);
+ x_253 = x_224;
 } else {
- lean_dec_ref(x_228);
- x_258 = lean_box(0);
+ lean_dec_ref(x_224);
+ x_253 = lean_box(0);
 }
-if (lean_is_scalar(x_258)) {
- x_259 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_253)) {
+ x_254 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_259 = x_258;
+ x_254 = x_253;
 }
-lean_ctor_set(x_259, 0, x_256);
-lean_ctor_set(x_259, 1, x_257);
-return x_259;
+lean_ctor_set(x_254, 0, x_251);
+lean_ctor_set(x_254, 1, x_252);
+return x_254;
 }
 }
 else
 {
-lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; 
-lean_dec(x_196);
+lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; 
+lean_dec(x_192);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_260 = lean_ctor_get(x_199, 0);
-lean_inc(x_260);
-x_261 = lean_ctor_get(x_199, 1);
-lean_inc(x_261);
-if (lean_is_exclusive(x_199)) {
- lean_ctor_release(x_199, 0);
- lean_ctor_release(x_199, 1);
- x_262 = x_199;
+x_255 = lean_ctor_get(x_195, 0);
+lean_inc(x_255);
+x_256 = lean_ctor_get(x_195, 1);
+lean_inc(x_256);
+if (lean_is_exclusive(x_195)) {
+ lean_ctor_release(x_195, 0);
+ lean_ctor_release(x_195, 1);
+ x_257 = x_195;
 } else {
- lean_dec_ref(x_199);
- x_262 = lean_box(0);
+ lean_dec_ref(x_195);
+ x_257 = lean_box(0);
 }
-if (lean_is_scalar(x_262)) {
- x_263 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_257)) {
+ x_258 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_263 = x_262;
+ x_258 = x_257;
 }
-lean_ctor_set(x_263, 0, x_260);
-lean_ctor_set(x_263, 1, x_261);
-return x_263;
+lean_ctor_set(x_258, 0, x_255);
+lean_ctor_set(x_258, 1, x_256);
+return x_258;
 }
 }
 else
 {
-lean_object* x_264; lean_object* x_265; 
-lean_dec(x_196);
+lean_object* x_259; lean_object* x_260; 
+lean_dec(x_192);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_264 = lean_ctor_get(x_198, 0);
-lean_inc(x_264);
-lean_dec(x_198);
-x_265 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_265, 0, x_264);
-lean_ctor_set(x_265, 1, x_193);
-return x_265;
+x_259 = lean_ctor_get(x_194, 0);
+lean_inc(x_259);
+lean_dec(x_194);
+x_260 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_260, 0, x_259);
+lean_ctor_set(x_260, 1, x_189);
+return x_260;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/GeneralizeVars.c b/stage0/stdlib/Lean/Meta/GeneralizeVars.c
index 1649b50337..d70dc28ccf 100644
--- a/stage0/stdlib/Lean/Meta/GeneralizeVars.c
+++ b/stage0/stdlib/Lean/Meta/GeneralizeVars.c
@@ -67,6 +67,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_getFVarSetToGen
 static lean_object* l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_getFVarSetToGeneralize___spec__41___at_Lean_Meta_getFVarSetToGeneralize___spec__49(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkGeneralizationForbiddenSet_visit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_getFVarSetToGeneralize___spec__36___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_getFVarSetToGeneralize___spec__35(lean_object*, lean_object*, lean_object*);
@@ -178,7 +179,6 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_getFVarSetToGen
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_getFVarSetToGeneralize___spec__51___at_Lean_Meta_getFVarSetToGeneralize___spec__59(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_getFVarSetToGeneralize___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_getFVarSetToGeneralize___spec__40(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_getFVarSetToGeneralize___spec__32(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1554,7 +1554,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -2054,7 +2054,7 @@ else
 {
 lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 lean_inc(x_2);
-x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -2845,7 +2845,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -3337,7 +3337,7 @@ else
 {
 lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 lean_inc(x_2);
-x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -4128,7 +4128,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -4929,7 +4929,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -5730,7 +5730,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -6222,7 +6222,7 @@ else
 {
 lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 lean_inc(x_2);
-x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -7013,7 +7013,7 @@ else
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
 lean_inc(x_3);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -7505,7 +7505,7 @@ else
 {
 lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 lean_inc(x_2);
-x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_40 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -8008,7 +8008,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -8025,107 +8025,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -8172,769 +8172,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
@@ -9237,7 +8983,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -9254,107 +9000,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -9401,769 +9147,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
@@ -10624,7 +10116,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -10641,107 +10133,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -10788,769 +10280,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
@@ -11841,7 +11079,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -11858,107 +11096,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -12005,769 +11243,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
@@ -13253,7 +12237,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -13270,107 +12254,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -13417,769 +12401,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
@@ -14470,7 +13200,7 @@ goto _start;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_274; 
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; lean_object* x_54; lean_object* x_65; lean_object* x_70; lean_object* x_211; 
 x_48 = lean_ctor_get(x_16, 0);
 lean_inc(x_48);
 lean_dec(x_16);
@@ -14487,107 +13217,107 @@ if (lean_is_exclusive(x_25)) {
  x_51 = lean_box(0);
 }
 x_52 = l_Lean_LocalDecl_fvarId(x_48);
-x_274 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
-if (lean_obj_tag(x_274) == 0)
+x_211 = l_Std_RBNode_findCore___at_Lean_Meta_mkGeneralizationForbiddenSet_visit___spec__1(x_1, x_52);
+if (lean_obj_tag(x_211) == 0)
 {
-uint8_t x_275; 
-x_275 = l_Lean_LocalDecl_isAuxDecl(x_48);
-if (x_275 == 0)
+uint8_t x_212; 
+x_212 = l_Lean_LocalDecl_isAuxDecl(x_48);
+if (x_212 == 0)
 {
-uint8_t x_276; uint8_t x_277; 
-x_276 = l_Lean_LocalDecl_binderInfo(x_48);
-x_277 = l_Lean_BinderInfo_isInstImplicit(x_276);
-if (x_277 == 0)
+uint8_t x_213; uint8_t x_214; 
+x_213 = l_Lean_LocalDecl_binderInfo(x_48);
+x_214 = l_Lean_BinderInfo_isInstImplicit(x_213);
+if (x_214 == 0)
 {
 if (x_2 == 0)
 {
-lean_object* x_278; 
-x_278 = lean_box(0);
-x_65 = x_278;
-goto block_273;
+lean_object* x_215; 
+x_215 = lean_box(0);
+x_70 = x_215;
+goto block_210;
 }
 else
 {
-uint8_t x_279; 
-x_279 = l_Lean_LocalDecl_isLet(x_48);
-if (x_279 == 0)
+uint8_t x_216; 
+x_216 = l_Lean_LocalDecl_isLet(x_48);
+if (x_216 == 0)
 {
-lean_object* x_280; 
-x_280 = lean_box(0);
-x_65 = x_280;
-goto block_273;
+lean_object* x_217; 
+x_217 = lean_box(0);
+x_70 = x_217;
+goto block_210;
 }
 else
 {
-lean_object* x_281; lean_object* x_282; lean_object* x_283; 
+lean_object* x_218; lean_object* x_219; lean_object* x_220; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_281 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_281, 0, x_49);
-lean_ctor_set(x_281, 1, x_50);
-x_282 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_282, 0, x_281);
-x_283 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_283, 0, x_282);
-lean_ctor_set(x_283, 1, x_13);
-x_27 = x_283;
+x_218 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_218, 0, x_49);
+lean_ctor_set(x_218, 1, x_50);
+x_219 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_219, 0, x_218);
+x_220 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_220, 0, x_219);
+lean_ctor_set(x_220, 1, x_13);
+x_27 = x_220;
 goto block_43;
 }
 }
 }
 else
 {
-lean_object* x_284; lean_object* x_285; lean_object* x_286; 
+lean_object* x_221; lean_object* x_222; lean_object* x_223; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_284 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_284, 0, x_49);
-lean_ctor_set(x_284, 1, x_50);
-x_285 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_285, 0, x_284);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_285);
-lean_ctor_set(x_286, 1, x_13);
-x_27 = x_286;
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_49);
+lean_ctor_set(x_221, 1, x_50);
+x_222 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_222, 0, x_221);
+x_223 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_223, 0, x_222);
+lean_ctor_set(x_223, 1, x_13);
+x_27 = x_223;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_287; lean_object* x_288; lean_object* x_289; 
+lean_object* x_224; lean_object* x_225; lean_object* x_226; 
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_287 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_287, 0, x_49);
-lean_ctor_set(x_287, 1, x_50);
-x_288 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_288, 0, x_287);
-x_289 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_289, 0, x_288);
-lean_ctor_set(x_289, 1, x_13);
-x_27 = x_289;
+x_224 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_224, 0, x_49);
+lean_ctor_set(x_224, 1, x_50);
+x_225 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_225, 0, x_224);
+x_226 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_226, 0, x_225);
+lean_ctor_set(x_226, 1, x_13);
+x_27 = x_226;
 goto block_43;
 }
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; 
-lean_dec(x_274);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+lean_dec(x_211);
 lean_dec(x_52);
 lean_dec(x_51);
 lean_dec(x_48);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_49);
-lean_ctor_set(x_290, 1, x_50);
-x_291 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_291, 0, x_290);
-x_292 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_292, 0, x_291);
-lean_ctor_set(x_292, 1, x_13);
-x_27 = x_292;
+x_227 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_227, 0, x_49);
+lean_ctor_set(x_227, 1, x_50);
+x_228 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_228, 0, x_227);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_13);
+x_27 = x_229;
 goto block_43;
 }
 block_64:
@@ -14634,769 +13364,515 @@ x_27 = x_63;
 goto block_43;
 }
 }
-block_273:
+block_69:
 {
+lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+x_66 = lean_ctor_get(x_65, 0);
+lean_inc(x_66);
+x_67 = lean_ctor_get(x_65, 1);
+lean_inc(x_67);
 lean_dec(x_65);
+x_68 = lean_unbox(x_66);
+lean_dec(x_66);
+x_53 = x_68;
+x_54 = x_67;
+goto block_64;
+}
+block_210:
+{
+lean_dec(x_70);
 if (lean_obj_tag(x_48) == 0)
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_148; lean_object* x_149; lean_object* x_150; uint8_t x_151; 
-x_66 = lean_ctor_get(x_48, 3);
-lean_inc(x_66);
-lean_dec(x_48);
-x_67 = lean_st_ref_get(x_12, x_13);
-x_68 = lean_ctor_get(x_67, 1);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = lean_st_ref_get(x_10, x_68);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_71 = lean_ctor_get(x_48, 3);
 lean_inc(x_71);
-lean_dec(x_69);
-x_148 = lean_ctor_get(x_70, 0);
-lean_inc(x_148);
-lean_dec(x_70);
-x_149 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_148);
-x_151 = l_Lean_Expr_hasFVar(x_66);
-if (x_151 == 0)
-{
-uint8_t x_152; 
-x_152 = l_Lean_Expr_hasMVar(x_66);
-if (x_152 == 0)
-{
-uint8_t x_153; 
-lean_dec(x_66);
-x_153 = 0;
-x_72 = x_153;
-x_73 = x_150;
-goto block_147;
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-lean_inc(x_50);
-x_154 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_66, x_150);
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
-lean_inc(x_156);
-lean_dec(x_154);
-x_157 = lean_unbox(x_155);
-lean_dec(x_155);
-x_72 = x_157;
-x_73 = x_156;
-goto block_147;
-}
-}
-else
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-lean_inc(x_50);
-x_158 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_66, x_150);
-x_159 = lean_ctor_get(x_158, 0);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_158, 1);
-lean_inc(x_160);
-lean_dec(x_158);
-x_161 = lean_unbox(x_159);
-lean_dec(x_159);
-x_72 = x_161;
-x_73 = x_160;
-goto block_147;
-}
-block_147:
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
-x_74 = lean_ctor_get(x_73, 1);
-lean_inc(x_74);
-lean_dec(x_73);
-x_75 = lean_st_ref_get(x_12, x_71);
-x_76 = lean_ctor_get(x_75, 1);
+lean_dec(x_48);
+x_72 = lean_st_ref_get(x_12, x_13);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_get(x_10, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
 lean_inc(x_76);
-lean_dec(x_75);
-x_77 = lean_st_ref_take(x_10, x_76);
-x_78 = lean_ctor_get(x_77, 0);
-lean_inc(x_78);
-x_79 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
-lean_dec(x_77);
-x_82 = lean_ctor_get(x_74, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_74, 1);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_74, 2);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_74, 3);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_74, 4);
-lean_inc(x_86);
-x_87 = lean_ctor_get(x_74, 5);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_74, 6);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_74, 7);
-lean_inc(x_89);
 lean_dec(x_74);
-x_90 = !lean_is_exclusive(x_78);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+lean_inc(x_77);
+x_79 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_77);
+x_80 = l_Lean_Expr_hasFVar(x_71);
+if (x_80 == 0)
+{
+uint8_t x_81; 
+x_81 = l_Lean_Expr_hasMVar(x_71);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; 
+lean_dec(x_79);
+lean_dec(x_71);
+x_82 = lean_st_ref_get(x_12, x_76);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+x_84 = lean_st_ref_take(x_10, x_83);
+x_85 = lean_ctor_get(x_84, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_84, 1);
+lean_inc(x_86);
+lean_dec(x_84);
+x_87 = !lean_is_exclusive(x_85);
+if (x_87 == 0)
+{
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+lean_dec(x_88);
+lean_ctor_set(x_85, 0, x_77);
+x_89 = lean_st_ref_set(x_10, x_85, x_86);
+x_90 = !lean_is_exclusive(x_89);
 if (x_90 == 0)
 {
-lean_object* x_91; uint8_t x_92; 
-x_91 = lean_ctor_get(x_78, 0);
+lean_object* x_91; uint8_t x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_89, 0);
 lean_dec(x_91);
-x_92 = !lean_is_exclusive(x_80);
-if (x_92 == 0)
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_93 = lean_ctor_get(x_80, 7);
-lean_dec(x_93);
-x_94 = lean_ctor_get(x_80, 6);
-lean_dec(x_94);
-x_95 = lean_ctor_get(x_80, 5);
-lean_dec(x_95);
-x_96 = lean_ctor_get(x_80, 4);
-lean_dec(x_96);
-x_97 = lean_ctor_get(x_80, 3);
-lean_dec(x_97);
-x_98 = lean_ctor_get(x_80, 2);
-lean_dec(x_98);
-x_99 = lean_ctor_get(x_80, 1);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_80, 0);
-lean_dec(x_100);
-lean_ctor_set(x_80, 7, x_89);
-lean_ctor_set(x_80, 6, x_88);
-lean_ctor_set(x_80, 5, x_87);
-lean_ctor_set(x_80, 4, x_86);
-lean_ctor_set(x_80, 3, x_85);
-lean_ctor_set(x_80, 2, x_84);
-lean_ctor_set(x_80, 1, x_83);
-lean_ctor_set(x_80, 0, x_82);
-x_101 = lean_st_ref_set(x_10, x_78, x_81);
-x_102 = lean_ctor_get(x_101, 1);
-lean_inc(x_102);
-lean_dec(x_101);
-x_53 = x_72;
-x_54 = x_102;
-goto block_64;
+x_92 = 0;
+x_93 = lean_box(x_92);
+lean_ctor_set(x_89, 0, x_93);
+x_65 = x_89;
+goto block_69;
 }
 else
 {
-uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_103 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-lean_dec(x_80);
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_82);
-lean_ctor_set(x_104, 1, x_83);
-lean_ctor_set(x_104, 2, x_84);
-lean_ctor_set(x_104, 3, x_85);
-lean_ctor_set(x_104, 4, x_86);
-lean_ctor_set(x_104, 5, x_87);
-lean_ctor_set(x_104, 6, x_88);
-lean_ctor_set(x_104, 7, x_89);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-lean_ctor_set(x_78, 0, x_104);
-x_105 = lean_st_ref_set(x_10, x_78, x_81);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_53 = x_72;
-x_54 = x_106;
-goto block_64;
+lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = lean_ctor_get(x_89, 1);
+lean_inc(x_94);
+lean_dec(x_89);
+x_95 = 0;
+x_96 = lean_box(x_95);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_96);
+lean_ctor_set(x_97, 1, x_94);
+x_65 = x_97;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_107; lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
-x_107 = lean_ctor_get(x_78, 1);
-x_108 = lean_ctor_get(x_78, 2);
-x_109 = lean_ctor_get(x_78, 3);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_inc(x_107);
-lean_dec(x_78);
-x_110 = lean_ctor_get_uint8(x_80, sizeof(void*)*8);
-if (lean_is_exclusive(x_80)) {
- lean_ctor_release(x_80, 0);
- lean_ctor_release(x_80, 1);
- lean_ctor_release(x_80, 2);
- lean_ctor_release(x_80, 3);
- lean_ctor_release(x_80, 4);
- lean_ctor_release(x_80, 5);
- lean_ctor_release(x_80, 6);
- lean_ctor_release(x_80, 7);
- x_111 = x_80;
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; 
+x_98 = lean_ctor_get(x_85, 1);
+x_99 = lean_ctor_get(x_85, 2);
+x_100 = lean_ctor_get(x_85, 3);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_85);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_77);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
+x_102 = lean_st_ref_set(x_10, x_101, x_86);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_80);
- x_111 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_111)) {
- x_112 = lean_alloc_ctor(0, 8, 1);
+x_105 = 0;
+x_106 = lean_box(x_105);
+if (lean_is_scalar(x_104)) {
+ x_107 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_112 = x_111;
+ x_107 = x_104;
 }
-lean_ctor_set(x_112, 0, x_82);
-lean_ctor_set(x_112, 1, x_83);
-lean_ctor_set(x_112, 2, x_84);
-lean_ctor_set(x_112, 3, x_85);
-lean_ctor_set(x_112, 4, x_86);
-lean_ctor_set(x_112, 5, x_87);
-lean_ctor_set(x_112, 6, x_88);
-lean_ctor_set(x_112, 7, x_89);
-lean_ctor_set_uint8(x_112, sizeof(void*)*8, x_110);
-x_113 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_107);
-lean_ctor_set(x_113, 2, x_108);
-lean_ctor_set(x_113, 3, x_109);
-x_114 = lean_st_ref_set(x_10, x_113, x_81);
-x_115 = lean_ctor_get(x_114, 1);
-lean_inc(x_115);
-lean_dec(x_114);
-x_53 = x_72;
-x_54 = x_115;
-goto block_64;
+lean_ctor_set(x_107, 0, x_106);
+lean_ctor_set(x_107, 1, x_103);
+x_65 = x_107;
+goto block_69;
 }
 }
 else
 {
-lean_object* x_116; uint8_t x_117; 
-x_116 = lean_ctor_get(x_77, 1);
-lean_inc(x_116);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
 lean_dec(x_77);
-x_117 = !lean_is_exclusive(x_74);
+lean_inc(x_50);
+x_108 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__1___at_Lean_Meta_getFVarSetToGeneralize___spec__9(x_50, x_71, x_79);
+x_109 = lean_ctor_get(x_108, 1);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 0);
+lean_inc(x_110);
+lean_dec(x_108);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = lean_st_ref_get(x_12, x_76);
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+lean_dec(x_112);
+x_114 = lean_st_ref_take(x_10, x_113);
+x_115 = lean_ctor_get(x_114, 0);
+lean_inc(x_115);
+x_116 = lean_ctor_get(x_114, 1);
+lean_inc(x_116);
+lean_dec(x_114);
+x_117 = !lean_is_exclusive(x_115);
 if (x_117 == 0)
 {
-uint8_t x_118; 
-x_118 = !lean_is_exclusive(x_78);
-if (x_118 == 0)
+lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_118 = lean_ctor_get(x_115, 0);
+lean_dec(x_118);
+lean_ctor_set(x_115, 0, x_111);
+x_119 = lean_st_ref_set(x_10, x_115, x_116);
+x_120 = !lean_is_exclusive(x_119);
+if (x_120 == 0)
 {
-lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
-x_119 = lean_ctor_get(x_78, 0);
-lean_dec(x_119);
-x_120 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_120);
-lean_ctor_set(x_78, 0, x_74);
-x_121 = lean_st_ref_set(x_10, x_78, x_116);
-x_122 = lean_ctor_get(x_121, 1);
-lean_inc(x_122);
+lean_object* x_121; 
+x_121 = lean_ctor_get(x_119, 0);
 lean_dec(x_121);
-x_53 = x_72;
-x_54 = x_122;
-goto block_64;
+lean_ctor_set(x_119, 0, x_110);
+x_65 = x_119;
+goto block_69;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_123 = lean_ctor_get(x_78, 1);
-x_124 = lean_ctor_get(x_78, 2);
-x_125 = lean_ctor_get(x_78, 3);
+lean_object* x_122; lean_object* x_123; 
+x_122 = lean_ctor_get(x_119, 1);
+lean_inc(x_122);
+lean_dec(x_119);
+x_123 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_123, 0, x_110);
+lean_ctor_set(x_123, 1, x_122);
+x_65 = x_123;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
+x_124 = lean_ctor_get(x_115, 1);
+x_125 = lean_ctor_get(x_115, 2);
+x_126 = lean_ctor_get(x_115, 3);
+lean_inc(x_126);
 lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_78);
-x_126 = 1;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8, x_126);
+lean_dec(x_115);
 x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_74);
-lean_ctor_set(x_127, 1, x_123);
-lean_ctor_set(x_127, 2, x_124);
-lean_ctor_set(x_127, 3, x_125);
+lean_ctor_set(x_127, 0, x_111);
+lean_ctor_set(x_127, 1, x_124);
+lean_ctor_set(x_127, 2, x_125);
+lean_ctor_set(x_127, 3, x_126);
 x_128 = lean_st_ref_set(x_10, x_127, x_116);
 x_129 = lean_ctor_get(x_128, 1);
 lean_inc(x_129);
-lean_dec(x_128);
-x_53 = x_72;
-x_54 = x_129;
-goto block_64;
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_130 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_130 = lean_box(0);
+}
+if (lean_is_scalar(x_130)) {
+ x_131 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_131 = x_130;
+}
+lean_ctor_set(x_131, 0, x_110);
+lean_ctor_set(x_131, 1, x_129);
+x_65 = x_131;
+goto block_69;
+}
 }
 }
 else
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_130 = lean_ctor_get(x_74, 0);
-x_131 = lean_ctor_get(x_74, 1);
-x_132 = lean_ctor_get(x_74, 2);
-x_133 = lean_ctor_get(x_74, 3);
-x_134 = lean_ctor_get(x_74, 4);
-x_135 = lean_ctor_get(x_74, 5);
-x_136 = lean_ctor_get(x_74, 6);
-x_137 = lean_ctor_get(x_74, 7);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_inc(x_134);
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_77);
+lean_inc(x_50);
+x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__12___at_Lean_Meta_getFVarSetToGeneralize___spec__20(x_50, x_71, x_79);
+x_133 = lean_ctor_get(x_132, 1);
 lean_inc(x_133);
-lean_inc(x_132);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_dec(x_74);
-x_138 = lean_ctor_get(x_78, 1);
-lean_inc(x_138);
-x_139 = lean_ctor_get(x_78, 2);
+x_134 = lean_ctor_get(x_132, 0);
+lean_inc(x_134);
+lean_dec(x_132);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_st_ref_get(x_12, x_76);
+x_137 = lean_ctor_get(x_136, 1);
+lean_inc(x_137);
+lean_dec(x_136);
+x_138 = lean_st_ref_take(x_10, x_137);
+x_139 = lean_ctor_get(x_138, 0);
 lean_inc(x_139);
-x_140 = lean_ctor_get(x_78, 3);
+x_140 = lean_ctor_get(x_138, 1);
 lean_inc(x_140);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- x_141 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_141 = lean_box(0);
-}
-x_142 = 1;
-x_143 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_143, 0, x_130);
-lean_ctor_set(x_143, 1, x_131);
-lean_ctor_set(x_143, 2, x_132);
-lean_ctor_set(x_143, 3, x_133);
-lean_ctor_set(x_143, 4, x_134);
-lean_ctor_set(x_143, 5, x_135);
-lean_ctor_set(x_143, 6, x_136);
-lean_ctor_set(x_143, 7, x_137);
-lean_ctor_set_uint8(x_143, sizeof(void*)*8, x_142);
-if (lean_is_scalar(x_141)) {
- x_144 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_144 = x_141;
-}
-lean_ctor_set(x_144, 0, x_143);
-lean_ctor_set(x_144, 1, x_138);
-lean_ctor_set(x_144, 2, x_139);
-lean_ctor_set(x_144, 3, x_140);
-x_145 = lean_st_ref_set(x_10, x_144, x_116);
-x_146 = lean_ctor_get(x_145, 1);
-lean_inc(x_146);
+lean_dec(x_138);
+x_141 = !lean_is_exclusive(x_139);
+if (x_141 == 0)
+{
+lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_142 = lean_ctor_get(x_139, 0);
+lean_dec(x_142);
+lean_ctor_set(x_139, 0, x_135);
+x_143 = lean_st_ref_set(x_10, x_139, x_140);
+x_144 = !lean_is_exclusive(x_143);
+if (x_144 == 0)
+{
+lean_object* x_145; 
+x_145 = lean_ctor_get(x_143, 0);
 lean_dec(x_145);
-x_53 = x_72;
-x_54 = x_146;
-goto block_64;
+lean_ctor_set(x_143, 0, x_134);
+x_65 = x_143;
+goto block_69;
 }
+else
+{
+lean_object* x_146; lean_object* x_147; 
+x_146 = lean_ctor_get(x_143, 1);
+lean_inc(x_146);
+lean_dec(x_143);
+x_147 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_147, 0, x_134);
+lean_ctor_set(x_147, 1, x_146);
+x_65 = x_147;
+goto block_69;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+x_148 = lean_ctor_get(x_139, 1);
+x_149 = lean_ctor_get(x_139, 2);
+x_150 = lean_ctor_get(x_139, 3);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_inc(x_148);
+lean_dec(x_139);
+x_151 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_151, 0, x_135);
+lean_ctor_set(x_151, 1, x_148);
+lean_ctor_set(x_151, 2, x_149);
+lean_ctor_set(x_151, 3, x_150);
+x_152 = lean_st_ref_set(x_10, x_151, x_140);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_152)) {
+ lean_ctor_release(x_152, 0);
+ lean_ctor_release(x_152, 1);
+ x_154 = x_152;
+} else {
+ lean_dec_ref(x_152);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_134);
+lean_ctor_set(x_155, 1, x_153);
+x_65 = x_155;
+goto block_69;
 }
 }
 }
 else
 {
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; uint8_t x_245; lean_object* x_246; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_162 = lean_ctor_get(x_48, 3);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_48, 4);
-lean_inc(x_163);
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; lean_object* x_164; uint8_t x_182; lean_object* x_183; lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
+x_156 = lean_ctor_get(x_48, 3);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_48, 4);
+lean_inc(x_157);
 lean_dec(x_48);
-x_164 = lean_st_ref_get(x_12, x_13);
+x_158 = lean_st_ref_get(x_12, x_13);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_get(x_10, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
+lean_inc(x_162);
+lean_dec(x_160);
+x_196 = lean_ctor_get(x_161, 0);
+lean_inc(x_196);
+lean_dec(x_161);
+x_197 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_196);
+x_199 = l_Lean_Expr_hasFVar(x_156);
+if (x_199 == 0)
+{
+uint8_t x_200; 
+x_200 = l_Lean_Expr_hasMVar(x_156);
+if (x_200 == 0)
+{
+uint8_t x_201; 
+lean_dec(x_156);
+x_201 = 0;
+x_182 = x_201;
+x_183 = x_198;
+goto block_195;
+}
+else
+{
+lean_object* x_202; lean_object* x_203; lean_object* x_204; uint8_t x_205; 
+lean_inc(x_50);
+x_202 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_156, x_198);
+x_203 = lean_ctor_get(x_202, 0);
+lean_inc(x_203);
+x_204 = lean_ctor_get(x_202, 1);
+lean_inc(x_204);
+lean_dec(x_202);
+x_205 = lean_unbox(x_203);
+lean_dec(x_203);
+x_182 = x_205;
+x_183 = x_204;
+goto block_195;
+}
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; uint8_t x_209; 
+lean_inc(x_50);
+x_206 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_156, x_198);
+x_207 = lean_ctor_get(x_206, 0);
+lean_inc(x_207);
+x_208 = lean_ctor_get(x_206, 1);
+lean_inc(x_208);
+lean_dec(x_206);
+x_209 = lean_unbox(x_207);
+lean_dec(x_207);
+x_182 = x_209;
+x_183 = x_208;
+goto block_195;
+}
+block_181:
+{
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; uint8_t x_171; 
 x_165 = lean_ctor_get(x_164, 1);
 lean_inc(x_165);
 lean_dec(x_164);
-x_166 = lean_st_ref_get(x_10, x_165);
-x_167 = lean_ctor_get(x_166, 0);
+x_166 = lean_st_ref_get(x_12, x_162);
+x_167 = lean_ctor_get(x_166, 1);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
 lean_dec(x_166);
-x_259 = lean_ctor_get(x_167, 0);
-lean_inc(x_259);
-lean_dec(x_167);
-x_260 = l_Lean_Meta_mkGeneralizationForbiddenSet_visit___closed__1;
-x_261 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_261, 0, x_260);
-lean_ctor_set(x_261, 1, x_259);
-x_262 = l_Lean_Expr_hasFVar(x_162);
-if (x_262 == 0)
+x_168 = lean_st_ref_take(x_10, x_167);
+x_169 = lean_ctor_get(x_168, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_168, 1);
+lean_inc(x_170);
+lean_dec(x_168);
+x_171 = !lean_is_exclusive(x_169);
+if (x_171 == 0)
 {
-uint8_t x_263; 
-x_263 = l_Lean_Expr_hasMVar(x_162);
-if (x_263 == 0)
-{
-uint8_t x_264; 
-lean_dec(x_162);
-x_264 = 0;
-x_245 = x_264;
-x_246 = x_261;
-goto block_258;
-}
-else
-{
-lean_object* x_265; lean_object* x_266; lean_object* x_267; uint8_t x_268; 
-lean_inc(x_50);
-x_265 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__39___at_Lean_Meta_getFVarSetToGeneralize___spec__47(x_50, x_162, x_261);
-x_266 = lean_ctor_get(x_265, 0);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_265, 1);
-lean_inc(x_267);
-lean_dec(x_265);
-x_268 = lean_unbox(x_266);
-lean_dec(x_266);
-x_245 = x_268;
-x_246 = x_267;
-goto block_258;
-}
-}
-else
-{
-lean_object* x_269; lean_object* x_270; lean_object* x_271; uint8_t x_272; 
-lean_inc(x_50);
-x_269 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__50___at_Lean_Meta_getFVarSetToGeneralize___spec__58(x_50, x_162, x_261);
-x_270 = lean_ctor_get(x_269, 0);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_269, 1);
-lean_inc(x_271);
-lean_dec(x_269);
-x_272 = lean_unbox(x_270);
-lean_dec(x_270);
-x_245 = x_272;
-x_246 = x_271;
-goto block_258;
-}
-block_244:
-{
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; 
-x_171 = lean_ctor_get(x_170, 1);
-lean_inc(x_171);
-lean_dec(x_170);
-x_172 = lean_st_ref_get(x_12, x_168);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; 
+x_172 = lean_ctor_get(x_169, 0);
 lean_dec(x_172);
-x_174 = lean_st_ref_take(x_10, x_173);
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get_uint8(x_171, sizeof(void*)*8);
-if (x_176 == 0)
+lean_ctor_set(x_169, 0, x_165);
+x_173 = lean_st_ref_set(x_10, x_169, x_170);
+x_174 = lean_ctor_get(x_173, 1);
+lean_inc(x_174);
+lean_dec(x_173);
+x_53 = x_163;
+x_54 = x_174;
+goto block_64;
+}
+else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_177 = lean_ctor_get(x_175, 0);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_175 = lean_ctor_get(x_169, 1);
+x_176 = lean_ctor_get(x_169, 2);
+x_177 = lean_ctor_get(x_169, 3);
 lean_inc(x_177);
-x_178 = lean_ctor_get(x_174, 1);
-lean_inc(x_178);
-lean_dec(x_174);
-x_179 = lean_ctor_get(x_171, 0);
-lean_inc(x_179);
-x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_176);
+lean_inc(x_175);
+lean_dec(x_169);
+x_178 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_175);
+lean_ctor_set(x_178, 2, x_176);
+lean_ctor_set(x_178, 3, x_177);
+x_179 = lean_st_ref_set(x_10, x_178, x_170);
+x_180 = lean_ctor_get(x_179, 1);
 lean_inc(x_180);
-x_181 = lean_ctor_get(x_171, 2);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_171, 3);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_171, 4);
-lean_inc(x_183);
-x_184 = lean_ctor_get(x_171, 5);
-lean_inc(x_184);
-x_185 = lean_ctor_get(x_171, 6);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_171, 7);
-lean_inc(x_186);
-lean_dec(x_171);
-x_187 = !lean_is_exclusive(x_175);
-if (x_187 == 0)
+lean_dec(x_179);
+x_53 = x_163;
+x_54 = x_180;
+goto block_64;
+}
+}
+block_195:
 {
-lean_object* x_188; uint8_t x_189; 
-x_188 = lean_ctor_get(x_175, 0);
+if (x_182 == 0)
+{
+uint8_t x_184; 
+x_184 = l_Lean_Expr_hasFVar(x_157);
+if (x_184 == 0)
+{
+uint8_t x_185; 
+x_185 = l_Lean_Expr_hasMVar(x_157);
+if (x_185 == 0)
+{
+uint8_t x_186; 
+lean_dec(x_157);
+x_186 = 0;
+x_163 = x_186;
+x_164 = x_183;
+goto block_181;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; uint8_t x_190; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_187 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_157, x_183);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = lean_unbox(x_188);
 lean_dec(x_188);
-x_189 = !lean_is_exclusive(x_177);
-if (x_189 == 0)
+x_163 = x_190;
+x_164 = x_189;
+goto block_181;
+}
+}
+else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_190 = lean_ctor_get(x_177, 7);
-lean_dec(x_190);
-x_191 = lean_ctor_get(x_177, 6);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; uint8_t x_194; 
+lean_inc(x_50);
+lean_inc(x_3);
+x_191 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_157, x_183);
+x_192 = lean_ctor_get(x_191, 0);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_191, 1);
+lean_inc(x_193);
 lean_dec(x_191);
-x_192 = lean_ctor_get(x_177, 5);
+x_194 = lean_unbox(x_192);
 lean_dec(x_192);
-x_193 = lean_ctor_get(x_177, 4);
-lean_dec(x_193);
-x_194 = lean_ctor_get(x_177, 3);
-lean_dec(x_194);
-x_195 = lean_ctor_get(x_177, 2);
-lean_dec(x_195);
-x_196 = lean_ctor_get(x_177, 1);
-lean_dec(x_196);
-x_197 = lean_ctor_get(x_177, 0);
-lean_dec(x_197);
-lean_ctor_set(x_177, 7, x_186);
-lean_ctor_set(x_177, 6, x_185);
-lean_ctor_set(x_177, 5, x_184);
-lean_ctor_set(x_177, 4, x_183);
-lean_ctor_set(x_177, 3, x_182);
-lean_ctor_set(x_177, 2, x_181);
-lean_ctor_set(x_177, 1, x_180);
-lean_ctor_set(x_177, 0, x_179);
-x_198 = lean_st_ref_set(x_10, x_175, x_178);
-x_199 = lean_ctor_get(x_198, 1);
-lean_inc(x_199);
-lean_dec(x_198);
-x_53 = x_169;
-x_54 = x_199;
-goto block_64;
-}
-else
-{
-uint8_t x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_200 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-lean_dec(x_177);
-x_201 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_201, 0, x_179);
-lean_ctor_set(x_201, 1, x_180);
-lean_ctor_set(x_201, 2, x_181);
-lean_ctor_set(x_201, 3, x_182);
-lean_ctor_set(x_201, 4, x_183);
-lean_ctor_set(x_201, 5, x_184);
-lean_ctor_set(x_201, 6, x_185);
-lean_ctor_set(x_201, 7, x_186);
-lean_ctor_set_uint8(x_201, sizeof(void*)*8, x_200);
-lean_ctor_set(x_175, 0, x_201);
-x_202 = lean_st_ref_set(x_10, x_175, x_178);
-x_203 = lean_ctor_get(x_202, 1);
-lean_inc(x_203);
-lean_dec(x_202);
-x_53 = x_169;
-x_54 = x_203;
-goto block_64;
+x_163 = x_194;
+x_164 = x_193;
+goto block_181;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_204 = lean_ctor_get(x_175, 1);
-x_205 = lean_ctor_get(x_175, 2);
-x_206 = lean_ctor_get(x_175, 3);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_175);
-x_207 = lean_ctor_get_uint8(x_177, sizeof(void*)*8);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- lean_ctor_release(x_177, 2);
- lean_ctor_release(x_177, 3);
- lean_ctor_release(x_177, 4);
- lean_ctor_release(x_177, 5);
- lean_ctor_release(x_177, 6);
- lean_ctor_release(x_177, 7);
- x_208 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_208 = lean_box(0);
-}
-if (lean_is_scalar(x_208)) {
- x_209 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_209 = x_208;
-}
-lean_ctor_set(x_209, 0, x_179);
-lean_ctor_set(x_209, 1, x_180);
-lean_ctor_set(x_209, 2, x_181);
-lean_ctor_set(x_209, 3, x_182);
-lean_ctor_set(x_209, 4, x_183);
-lean_ctor_set(x_209, 5, x_184);
-lean_ctor_set(x_209, 6, x_185);
-lean_ctor_set(x_209, 7, x_186);
-lean_ctor_set_uint8(x_209, sizeof(void*)*8, x_207);
-x_210 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_204);
-lean_ctor_set(x_210, 2, x_205);
-lean_ctor_set(x_210, 3, x_206);
-x_211 = lean_st_ref_set(x_10, x_210, x_178);
-x_212 = lean_ctor_get(x_211, 1);
-lean_inc(x_212);
-lean_dec(x_211);
-x_53 = x_169;
-x_54 = x_212;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_213; uint8_t x_214; 
-x_213 = lean_ctor_get(x_174, 1);
-lean_inc(x_213);
-lean_dec(x_174);
-x_214 = !lean_is_exclusive(x_171);
-if (x_214 == 0)
-{
-uint8_t x_215; 
-x_215 = !lean_is_exclusive(x_175);
-if (x_215 == 0)
-{
-lean_object* x_216; uint8_t x_217; lean_object* x_218; lean_object* x_219; 
-x_216 = lean_ctor_get(x_175, 0);
-lean_dec(x_216);
-x_217 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_217);
-lean_ctor_set(x_175, 0, x_171);
-x_218 = lean_st_ref_set(x_10, x_175, x_213);
-x_219 = lean_ctor_get(x_218, 1);
-lean_inc(x_219);
-lean_dec(x_218);
-x_53 = x_169;
-x_54 = x_219;
-goto block_64;
-}
-else
-{
-lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; 
-x_220 = lean_ctor_get(x_175, 1);
-x_221 = lean_ctor_get(x_175, 2);
-x_222 = lean_ctor_get(x_175, 3);
-lean_inc(x_222);
-lean_inc(x_221);
-lean_inc(x_220);
-lean_dec(x_175);
-x_223 = 1;
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_223);
-x_224 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_224, 0, x_171);
-lean_ctor_set(x_224, 1, x_220);
-lean_ctor_set(x_224, 2, x_221);
-lean_ctor_set(x_224, 3, x_222);
-x_225 = lean_st_ref_set(x_10, x_224, x_213);
-x_226 = lean_ctor_get(x_225, 1);
-lean_inc(x_226);
-lean_dec(x_225);
-x_53 = x_169;
-x_54 = x_226;
-goto block_64;
-}
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; uint8_t x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; 
-x_227 = lean_ctor_get(x_171, 0);
-x_228 = lean_ctor_get(x_171, 1);
-x_229 = lean_ctor_get(x_171, 2);
-x_230 = lean_ctor_get(x_171, 3);
-x_231 = lean_ctor_get(x_171, 4);
-x_232 = lean_ctor_get(x_171, 5);
-x_233 = lean_ctor_get(x_171, 6);
-x_234 = lean_ctor_get(x_171, 7);
-lean_inc(x_234);
-lean_inc(x_233);
-lean_inc(x_232);
-lean_inc(x_231);
-lean_inc(x_230);
-lean_inc(x_229);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_171);
-x_235 = lean_ctor_get(x_175, 1);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_175, 2);
-lean_inc(x_236);
-x_237 = lean_ctor_get(x_175, 3);
-lean_inc(x_237);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- lean_ctor_release(x_175, 2);
- lean_ctor_release(x_175, 3);
- x_238 = x_175;
-} else {
- lean_dec_ref(x_175);
- x_238 = lean_box(0);
-}
-x_239 = 1;
-x_240 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_240, 0, x_227);
-lean_ctor_set(x_240, 1, x_228);
-lean_ctor_set(x_240, 2, x_229);
-lean_ctor_set(x_240, 3, x_230);
-lean_ctor_set(x_240, 4, x_231);
-lean_ctor_set(x_240, 5, x_232);
-lean_ctor_set(x_240, 6, x_233);
-lean_ctor_set(x_240, 7, x_234);
-lean_ctor_set_uint8(x_240, sizeof(void*)*8, x_239);
-if (lean_is_scalar(x_238)) {
- x_241 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_241 = x_238;
-}
-lean_ctor_set(x_241, 0, x_240);
-lean_ctor_set(x_241, 1, x_235);
-lean_ctor_set(x_241, 2, x_236);
-lean_ctor_set(x_241, 3, x_237);
-x_242 = lean_st_ref_set(x_10, x_241, x_213);
-x_243 = lean_ctor_get(x_242, 1);
-lean_inc(x_243);
-lean_dec(x_242);
-x_53 = x_169;
-x_54 = x_243;
-goto block_64;
-}
-}
-}
-block_258:
-{
-if (x_245 == 0)
-{
-uint8_t x_247; 
-x_247 = l_Lean_Expr_hasFVar(x_163);
-if (x_247 == 0)
-{
-uint8_t x_248; 
-x_248 = l_Lean_Expr_hasMVar(x_163);
-if (x_248 == 0)
-{
-uint8_t x_249; 
-lean_dec(x_163);
-x_249 = 0;
-x_169 = x_249;
-x_170 = x_246;
-goto block_244;
-}
-else
-{
-lean_object* x_250; lean_object* x_251; lean_object* x_252; uint8_t x_253; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_250 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__23(x_3, x_50, x_163, x_246);
-x_251 = lean_ctor_get(x_250, 0);
-lean_inc(x_251);
-x_252 = lean_ctor_get(x_250, 1);
-lean_inc(x_252);
-lean_dec(x_250);
-x_253 = lean_unbox(x_251);
-lean_dec(x_251);
-x_169 = x_253;
-x_170 = x_252;
-goto block_244;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-lean_inc(x_50);
-lean_inc(x_3);
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_getFVarSetToGeneralize___spec__31(x_3, x_50, x_163, x_246);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
-lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
-lean_dec(x_255);
-x_169 = x_257;
-x_170 = x_256;
-goto block_244;
-}
-}
-else
-{
-lean_dec(x_163);
-x_169 = x_245;
-x_170 = x_246;
-goto block_244;
+lean_dec(x_157);
+x_163 = x_182;
+x_164 = x_183;
+goto block_181;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/GlobalInstances.c b/stage0/stdlib/Lean/Meta/GlobalInstances.c
index eedbf2be08..c10db24fc4 100644
--- a/stage0/stdlib/Lean/Meta/GlobalInstances.c
+++ b/stage0/stdlib/Lean/Meta/GlobalInstances.c
@@ -257,14 +257,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addGlobalInstance___spec__1__
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addGlobalInstance___spec__1___closed__4;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addGlobalInstance___spec__1___closed__5;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addGlobalInstance___spec__1___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/IndPredBelow.c b/stage0/stdlib/Lean/Meta/IndPredBelow.c
index 966de21b2f..9c9392b6f1 100644
--- a/stage0/stdlib/Lean/Meta/IndPredBelow.c
+++ b/stage0/stdlib/Lean/Meta/IndPredBelow.c
@@ -25602,14 +25602,13 @@ x_1 = l_Lean_mkCasesOn___at_Lean_Meta_IndPredBelow_mkBelow___spec__1___closed__5
 x_2 = l_Lean_mkCasesOn___at_Lean_Meta_IndPredBelow_mkBelow___spec__1___closed__7;
 x_3 = l_Lean_mkCasesOn___at_Lean_Meta_IndPredBelow_mkBelow___spec__1___closed__8;
 x_4 = l_Lean_mkCasesOn___at_Lean_Meta_IndPredBelow_mkBelow___spec__1___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/InferType.c b/stage0/stdlib/Lean/Meta/InferType.c
index 6693b3f9d3..3c310fadfa 100644
--- a/stage0/stdlib/Lean/Meta/InferType.c
+++ b/stage0/stdlib/Lean/Meta/InferType.c
@@ -4061,48 +4061,45 @@ lean_dec(x_15);
 x_16 = !lean_is_exclusive(x_12);
 if (x_16 == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; uint8_t x_21; 
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_17 = lean_ctor_get(x_12, 6);
 x_18 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_17, x_1, x_2);
-x_19 = 1;
 lean_ctor_set(x_12, 6, x_18);
-lean_ctor_set_uint8(x_12, sizeof(void*)*8, x_19);
-x_20 = lean_st_ref_set(x_4, x_11, x_13);
-x_21 = !lean_is_exclusive(x_20);
-if (x_21 == 0)
+x_19 = lean_st_ref_set(x_4, x_11, x_13);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_20, 0);
-lean_dec(x_22);
-x_23 = lean_box(0);
-lean_ctor_set(x_20, 0, x_23);
-return x_20;
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_19, 0, x_22);
+return x_19;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_20, 1);
-lean_inc(x_24);
-lean_dec(x_20);
-x_25 = lean_box(0);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_24);
-return x_26;
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
 }
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_27 = lean_ctor_get(x_12, 0);
-x_28 = lean_ctor_get(x_12, 1);
-x_29 = lean_ctor_get(x_12, 2);
-x_30 = lean_ctor_get(x_12, 3);
-x_31 = lean_ctor_get(x_12, 4);
-x_32 = lean_ctor_get(x_12, 5);
-x_33 = lean_ctor_get(x_12, 6);
-x_34 = lean_ctor_get(x_12, 7);
-lean_inc(x_34);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_26 = lean_ctor_get(x_12, 0);
+x_27 = lean_ctor_get(x_12, 1);
+x_28 = lean_ctor_get(x_12, 2);
+x_29 = lean_ctor_get(x_12, 3);
+x_30 = lean_ctor_get(x_12, 4);
+x_31 = lean_ctor_get(x_12, 5);
+x_32 = lean_ctor_get(x_12, 6);
+x_33 = lean_ctor_get(x_12, 7);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
@@ -4110,68 +4107,67 @@ lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
+lean_inc(x_26);
 lean_dec(x_12);
-x_35 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_33, x_1, x_2);
-x_36 = 1;
-x_37 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_37, 0, x_27);
-lean_ctor_set(x_37, 1, x_28);
-lean_ctor_set(x_37, 2, x_29);
-lean_ctor_set(x_37, 3, x_30);
-lean_ctor_set(x_37, 4, x_31);
-lean_ctor_set(x_37, 5, x_32);
-lean_ctor_set(x_37, 6, x_35);
-lean_ctor_set(x_37, 7, x_34);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_36);
-lean_ctor_set(x_11, 0, x_37);
-x_38 = lean_st_ref_set(x_4, x_11, x_13);
-x_39 = lean_ctor_get(x_38, 1);
-lean_inc(x_39);
-if (lean_is_exclusive(x_38)) {
- lean_ctor_release(x_38, 0);
- lean_ctor_release(x_38, 1);
+x_34 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_32, x_1, x_2);
+x_35 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_35, 0, x_26);
+lean_ctor_set(x_35, 1, x_27);
+lean_ctor_set(x_35, 2, x_28);
+lean_ctor_set(x_35, 3, x_29);
+lean_ctor_set(x_35, 4, x_30);
+lean_ctor_set(x_35, 5, x_31);
+lean_ctor_set(x_35, 6, x_34);
+lean_ctor_set(x_35, 7, x_33);
+lean_ctor_set(x_11, 0, x_35);
+x_36 = lean_st_ref_set(x_4, x_11, x_13);
+x_37 = lean_ctor_get(x_36, 1);
+lean_inc(x_37);
+if (lean_is_exclusive(x_36)) {
+ lean_ctor_release(x_36, 0);
+ lean_ctor_release(x_36, 1);
+ x_38 = x_36;
+} else {
+ lean_dec_ref(x_36);
+ x_38 = lean_box(0);
+}
+x_39 = lean_box(0);
+if (lean_is_scalar(x_38)) {
+ x_40 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_40 = x_38;
-} else {
- lean_dec_ref(x_38);
- x_40 = lean_box(0);
 }
-x_41 = lean_box(0);
-if (lean_is_scalar(x_40)) {
- x_42 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_42 = x_40;
-}
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_39);
-return x_42;
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_37);
+return x_40;
 }
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_43 = lean_ctor_get(x_11, 1);
-x_44 = lean_ctor_get(x_11, 2);
-x_45 = lean_ctor_get(x_11, 3);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_41 = lean_ctor_get(x_11, 1);
+x_42 = lean_ctor_get(x_11, 2);
+x_43 = lean_ctor_get(x_11, 3);
 lean_inc(x_43);
+lean_inc(x_42);
+lean_inc(x_41);
 lean_dec(x_11);
-x_46 = lean_ctor_get(x_12, 0);
+x_44 = lean_ctor_get(x_12, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_12, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_12, 2);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_12, 1);
+x_47 = lean_ctor_get(x_12, 3);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_12, 2);
+x_48 = lean_ctor_get(x_12, 4);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_12, 3);
+x_49 = lean_ctor_get(x_12, 5);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_12, 4);
+x_50 = lean_ctor_get(x_12, 6);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_12, 5);
+x_51 = lean_ctor_get(x_12, 7);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_12, 6);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_12, 7);
-lean_inc(x_53);
 if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 0);
  lean_ctor_release(x_12, 1);
@@ -4181,52 +4177,50 @@ if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 5);
  lean_ctor_release(x_12, 6);
  lean_ctor_release(x_12, 7);
- x_54 = x_12;
+ x_52 = x_12;
 } else {
  lean_dec_ref(x_12);
- x_54 = lean_box(0);
+ x_52 = lean_box(0);
 }
-x_55 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_52, x_1, x_2);
-x_56 = 1;
-if (lean_is_scalar(x_54)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
+x_53 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_50, x_1, x_2);
+if (lean_is_scalar(x_52)) {
+ x_54 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_57 = x_54;
+ x_54 = x_52;
 }
-lean_ctor_set(x_57, 0, x_46);
-lean_ctor_set(x_57, 1, x_47);
-lean_ctor_set(x_57, 2, x_48);
-lean_ctor_set(x_57, 3, x_49);
-lean_ctor_set(x_57, 4, x_50);
-lean_ctor_set(x_57, 5, x_51);
-lean_ctor_set(x_57, 6, x_55);
-lean_ctor_set(x_57, 7, x_53);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_56);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_43);
-lean_ctor_set(x_58, 2, x_44);
-lean_ctor_set(x_58, 3, x_45);
-x_59 = lean_st_ref_set(x_4, x_58, x_13);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
+lean_ctor_set(x_54, 0, x_44);
+lean_ctor_set(x_54, 1, x_45);
+lean_ctor_set(x_54, 2, x_46);
+lean_ctor_set(x_54, 3, x_47);
+lean_ctor_set(x_54, 4, x_48);
+lean_ctor_set(x_54, 5, x_49);
+lean_ctor_set(x_54, 6, x_53);
+lean_ctor_set(x_54, 7, x_51);
+x_55 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_41);
+lean_ctor_set(x_55, 2, x_42);
+lean_ctor_set(x_55, 3, x_43);
+x_56 = lean_st_ref_set(x_4, x_55, x_13);
+x_57 = lean_ctor_get(x_56, 1);
+lean_inc(x_57);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_58 = x_56;
 } else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
+ lean_dec_ref(x_56);
+ x_58 = lean_box(0);
 }
-x_62 = lean_box(0);
-if (lean_is_scalar(x_61)) {
- x_63 = lean_alloc_ctor(0, 2, 0);
+x_59 = lean_box(0);
+if (lean_is_scalar(x_58)) {
+ x_60 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_63 = x_61;
+ x_60 = x_58;
 }
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_60);
-return x_63;
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_57);
+return x_60;
 }
 }
 }
@@ -6550,15 +6544,13 @@ return x_38;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
 x_39 = lean_ctor_get(x_27, 0);
 x_40 = lean_ctor_get(x_27, 1);
 x_41 = lean_ctor_get(x_27, 2);
 x_42 = lean_ctor_get(x_27, 3);
 x_43 = lean_ctor_get(x_27, 4);
 x_44 = lean_ctor_get(x_27, 5);
-x_45 = lean_ctor_get(x_27, 6);
-lean_inc(x_45);
 lean_inc(x_44);
 lean_inc(x_43);
 lean_inc(x_42);
@@ -6567,62 +6559,59 @@ lean_inc(x_40);
 lean_inc(x_39);
 lean_dec(x_27);
 lean_inc(x_19);
-x_46 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_39, x_1, x_19);
-x_47 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_40);
-lean_ctor_set(x_47, 2, x_41);
-lean_ctor_set(x_47, 3, x_42);
-lean_ctor_set(x_47, 4, x_43);
-lean_ctor_set(x_47, 5, x_44);
-lean_ctor_set(x_47, 6, x_45);
-lean_ctor_set(x_26, 1, x_47);
-x_48 = lean_st_ref_set(x_4, x_26, x_28);
+x_45 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_39, x_1, x_19);
+x_46 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_40);
+lean_ctor_set(x_46, 2, x_41);
+lean_ctor_set(x_46, 3, x_42);
+lean_ctor_set(x_46, 4, x_43);
+lean_ctor_set(x_46, 5, x_44);
+lean_ctor_set(x_26, 1, x_46);
+x_47 = lean_st_ref_set(x_4, x_26, x_28);
 lean_dec(x_4);
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
-if (lean_is_exclusive(x_48)) {
- lean_ctor_release(x_48, 0);
- lean_ctor_release(x_48, 1);
- x_50 = x_48;
+x_48 = lean_ctor_get(x_47, 1);
+lean_inc(x_48);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_49 = x_47;
 } else {
- lean_dec_ref(x_48);
- x_50 = lean_box(0);
+ lean_dec_ref(x_47);
+ x_49 = lean_box(0);
 }
-if (lean_is_scalar(x_50)) {
- x_51 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_49)) {
+ x_50 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_51 = x_50;
+ x_50 = x_49;
 }
-lean_ctor_set(x_51, 0, x_19);
-lean_ctor_set(x_51, 1, x_49);
-return x_51;
+lean_ctor_set(x_50, 0, x_19);
+lean_ctor_set(x_50, 1, x_48);
+return x_50;
 }
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_52 = lean_ctor_get(x_26, 0);
-x_53 = lean_ctor_get(x_26, 2);
-x_54 = lean_ctor_get(x_26, 3);
-lean_inc(x_54);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_51 = lean_ctor_get(x_26, 0);
+x_52 = lean_ctor_get(x_26, 2);
+x_53 = lean_ctor_get(x_26, 3);
 lean_inc(x_53);
 lean_inc(x_52);
+lean_inc(x_51);
 lean_dec(x_26);
-x_55 = lean_ctor_get(x_27, 0);
+x_54 = lean_ctor_get(x_27, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_27, 1);
 lean_inc(x_55);
-x_56 = lean_ctor_get(x_27, 1);
+x_56 = lean_ctor_get(x_27, 2);
 lean_inc(x_56);
-x_57 = lean_ctor_get(x_27, 2);
+x_57 = lean_ctor_get(x_27, 3);
 lean_inc(x_57);
-x_58 = lean_ctor_get(x_27, 3);
+x_58 = lean_ctor_get(x_27, 4);
 lean_inc(x_58);
-x_59 = lean_ctor_get(x_27, 4);
+x_59 = lean_ctor_get(x_27, 5);
 lean_inc(x_59);
-x_60 = lean_ctor_get(x_27, 5);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_27, 6);
-lean_inc(x_61);
 if (lean_is_exclusive(x_27)) {
  lean_ctor_release(x_27, 0);
  lean_ctor_release(x_27, 1);
@@ -6630,51 +6619,49 @@ if (lean_is_exclusive(x_27)) {
  lean_ctor_release(x_27, 3);
  lean_ctor_release(x_27, 4);
  lean_ctor_release(x_27, 5);
- lean_ctor_release(x_27, 6);
- x_62 = x_27;
+ x_60 = x_27;
 } else {
  lean_dec_ref(x_27);
- x_62 = lean_box(0);
+ x_60 = lean_box(0);
 }
 lean_inc(x_19);
-x_63 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_55, x_1, x_19);
-if (lean_is_scalar(x_62)) {
- x_64 = lean_alloc_ctor(0, 7, 0);
+x_61 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_54, x_1, x_19);
+if (lean_is_scalar(x_60)) {
+ x_62 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_64 = x_62;
+ x_62 = x_60;
 }
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_56);
-lean_ctor_set(x_64, 2, x_57);
-lean_ctor_set(x_64, 3, x_58);
-lean_ctor_set(x_64, 4, x_59);
-lean_ctor_set(x_64, 5, x_60);
-lean_ctor_set(x_64, 6, x_61);
-x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_52);
-lean_ctor_set(x_65, 1, x_64);
-lean_ctor_set(x_65, 2, x_53);
-lean_ctor_set(x_65, 3, x_54);
-x_66 = lean_st_ref_set(x_4, x_65, x_28);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_55);
+lean_ctor_set(x_62, 2, x_56);
+lean_ctor_set(x_62, 3, x_57);
+lean_ctor_set(x_62, 4, x_58);
+lean_ctor_set(x_62, 5, x_59);
+x_63 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_63, 0, x_51);
+lean_ctor_set(x_63, 1, x_62);
+lean_ctor_set(x_63, 2, x_52);
+lean_ctor_set(x_63, 3, x_53);
+x_64 = lean_st_ref_set(x_4, x_63, x_28);
 lean_dec(x_4);
-x_67 = lean_ctor_get(x_66, 1);
-lean_inc(x_67);
-if (lean_is_exclusive(x_66)) {
- lean_ctor_release(x_66, 0);
- lean_ctor_release(x_66, 1);
- x_68 = x_66;
+x_65 = lean_ctor_get(x_64, 1);
+lean_inc(x_65);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ lean_ctor_release(x_64, 1);
+ x_66 = x_64;
 } else {
- lean_dec_ref(x_66);
- x_68 = lean_box(0);
+ lean_dec_ref(x_64);
+ x_66 = lean_box(0);
 }
-if (lean_is_scalar(x_68)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_66)) {
+ x_67 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_69 = x_68;
+ x_67 = x_66;
 }
-lean_ctor_set(x_69, 0, x_19);
-lean_ctor_set(x_69, 1, x_67);
-return x_69;
+lean_ctor_set(x_67, 0, x_19);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
 }
 else
@@ -6695,409 +6682,401 @@ return x_17;
 }
 else
 {
-lean_object* x_70; lean_object* x_71; uint8_t x_72; 
-x_70 = lean_ctor_get(x_17, 0);
-x_71 = lean_ctor_get(x_17, 1);
-lean_inc(x_71);
-lean_inc(x_70);
+lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+x_68 = lean_ctor_get(x_17, 0);
+x_69 = lean_ctor_get(x_17, 1);
+lean_inc(x_69);
+lean_inc(x_68);
 lean_dec(x_17);
-x_72 = l_Lean_Expr_hasMVar(x_1);
-if (x_72 == 0)
+x_70 = l_Lean_Expr_hasMVar(x_1);
+if (x_70 == 0)
 {
-uint8_t x_73; 
-x_73 = l_Lean_Expr_hasMVar(x_70);
-if (x_73 == 0)
+uint8_t x_71; 
+x_71 = l_Lean_Expr_hasMVar(x_68);
+if (x_71 == 0)
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-x_74 = lean_st_ref_get(x_6, x_71);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_72 = lean_st_ref_get(x_6, x_69);
 lean_dec(x_6);
-x_75 = lean_ctor_get(x_74, 1);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_take(x_4, x_73);
+x_75 = lean_ctor_get(x_74, 0);
 lean_inc(x_75);
-lean_dec(x_74);
-x_76 = lean_st_ref_take(x_4, x_75);
-x_77 = lean_ctor_get(x_76, 0);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_74, 1);
 lean_inc(x_77);
-x_78 = lean_ctor_get(x_77, 1);
+lean_dec(x_74);
+x_78 = lean_ctor_get(x_75, 0);
 lean_inc(x_78);
-x_79 = lean_ctor_get(x_76, 1);
+x_79 = lean_ctor_get(x_75, 2);
 lean_inc(x_79);
-lean_dec(x_76);
-x_80 = lean_ctor_get(x_77, 0);
+x_80 = lean_ctor_get(x_75, 3);
 lean_inc(x_80);
-x_81 = lean_ctor_get(x_77, 2);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_77, 3);
+if (lean_is_exclusive(x_75)) {
+ lean_ctor_release(x_75, 0);
+ lean_ctor_release(x_75, 1);
+ lean_ctor_release(x_75, 2);
+ lean_ctor_release(x_75, 3);
+ x_81 = x_75;
+} else {
+ lean_dec_ref(x_75);
+ x_81 = lean_box(0);
+}
+x_82 = lean_ctor_get(x_76, 0);
 lean_inc(x_82);
-if (lean_is_exclusive(x_77)) {
- lean_ctor_release(x_77, 0);
- lean_ctor_release(x_77, 1);
- lean_ctor_release(x_77, 2);
- lean_ctor_release(x_77, 3);
- x_83 = x_77;
-} else {
- lean_dec_ref(x_77);
- x_83 = lean_box(0);
-}
-x_84 = lean_ctor_get(x_78, 0);
+x_83 = lean_ctor_get(x_76, 1);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_76, 2);
 lean_inc(x_84);
-x_85 = lean_ctor_get(x_78, 1);
+x_85 = lean_ctor_get(x_76, 3);
 lean_inc(x_85);
-x_86 = lean_ctor_get(x_78, 2);
+x_86 = lean_ctor_get(x_76, 4);
 lean_inc(x_86);
-x_87 = lean_ctor_get(x_78, 3);
+x_87 = lean_ctor_get(x_76, 5);
 lean_inc(x_87);
-x_88 = lean_ctor_get(x_78, 4);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_78, 5);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_78, 6);
-lean_inc(x_90);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- lean_ctor_release(x_78, 2);
- lean_ctor_release(x_78, 3);
- lean_ctor_release(x_78, 4);
- lean_ctor_release(x_78, 5);
- lean_ctor_release(x_78, 6);
- x_91 = x_78;
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ lean_ctor_release(x_76, 2);
+ lean_ctor_release(x_76, 3);
+ lean_ctor_release(x_76, 4);
+ lean_ctor_release(x_76, 5);
+ x_88 = x_76;
 } else {
- lean_dec_ref(x_78);
- x_91 = lean_box(0);
+ lean_dec_ref(x_76);
+ x_88 = lean_box(0);
 }
-lean_inc(x_70);
-x_92 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_84, x_1, x_70);
-if (lean_is_scalar(x_91)) {
- x_93 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_68);
+x_89 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_82, x_1, x_68);
+if (lean_is_scalar(x_88)) {
+ x_90 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_93 = x_91;
+ x_90 = x_88;
 }
-lean_ctor_set(x_93, 0, x_92);
-lean_ctor_set(x_93, 1, x_85);
-lean_ctor_set(x_93, 2, x_86);
-lean_ctor_set(x_93, 3, x_87);
-lean_ctor_set(x_93, 4, x_88);
-lean_ctor_set(x_93, 5, x_89);
-lean_ctor_set(x_93, 6, x_90);
-if (lean_is_scalar(x_83)) {
- x_94 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_90, 0, x_89);
+lean_ctor_set(x_90, 1, x_83);
+lean_ctor_set(x_90, 2, x_84);
+lean_ctor_set(x_90, 3, x_85);
+lean_ctor_set(x_90, 4, x_86);
+lean_ctor_set(x_90, 5, x_87);
+if (lean_is_scalar(x_81)) {
+ x_91 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_94 = x_83;
+ x_91 = x_81;
 }
-lean_ctor_set(x_94, 0, x_80);
-lean_ctor_set(x_94, 1, x_93);
-lean_ctor_set(x_94, 2, x_81);
-lean_ctor_set(x_94, 3, x_82);
-x_95 = lean_st_ref_set(x_4, x_94, x_79);
+lean_ctor_set(x_91, 0, x_78);
+lean_ctor_set(x_91, 1, x_90);
+lean_ctor_set(x_91, 2, x_79);
+lean_ctor_set(x_91, 3, x_80);
+x_92 = lean_st_ref_set(x_4, x_91, x_77);
 lean_dec(x_4);
-x_96 = lean_ctor_get(x_95, 1);
-lean_inc(x_96);
-if (lean_is_exclusive(x_95)) {
- lean_ctor_release(x_95, 0);
- lean_ctor_release(x_95, 1);
- x_97 = x_95;
+x_93 = lean_ctor_get(x_92, 1);
+lean_inc(x_93);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_94 = x_92;
 } else {
- lean_dec_ref(x_95);
- x_97 = lean_box(0);
+ lean_dec_ref(x_92);
+ x_94 = lean_box(0);
 }
-if (lean_is_scalar(x_97)) {
- x_98 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_94)) {
+ x_95 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_98 = x_97;
+ x_95 = x_94;
 }
-lean_ctor_set(x_98, 0, x_70);
-lean_ctor_set(x_98, 1, x_96);
-return x_98;
+lean_ctor_set(x_95, 0, x_68);
+lean_ctor_set(x_95, 1, x_93);
+return x_95;
 }
 else
 {
-lean_object* x_99; 
+lean_object* x_96; 
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_1);
-x_99 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_99, 0, x_70);
-lean_ctor_set(x_99, 1, x_71);
-return x_99;
+x_96 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_96, 0, x_68);
+lean_ctor_set(x_96, 1, x_69);
+return x_96;
 }
 }
 else
 {
-lean_object* x_100; 
+lean_object* x_97; 
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_1);
-x_100 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_100, 0, x_70);
-lean_ctor_set(x_100, 1, x_71);
-return x_100;
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_68);
+lean_ctor_set(x_97, 1, x_69);
+return x_97;
 }
 }
 }
 else
 {
-uint8_t x_101; 
+uint8_t x_98; 
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_1);
-x_101 = !lean_is_exclusive(x_17);
-if (x_101 == 0)
+x_98 = !lean_is_exclusive(x_17);
+if (x_98 == 0)
 {
 return x_17;
 }
 else
 {
-lean_object* x_102; lean_object* x_103; lean_object* x_104; 
-x_102 = lean_ctor_get(x_17, 0);
-x_103 = lean_ctor_get(x_17, 1);
-lean_inc(x_103);
-lean_inc(x_102);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_17, 0);
+x_100 = lean_ctor_get(x_17, 1);
+lean_inc(x_100);
+lean_inc(x_99);
 lean_dec(x_17);
-x_104 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-return x_104;
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
 }
 }
 }
 else
 {
-lean_object* x_105; 
+lean_object* x_102; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_105 = lean_ctor_get(x_16, 0);
-lean_inc(x_105);
+x_102 = lean_ctor_get(x_16, 0);
+lean_inc(x_102);
 lean_dec(x_16);
-lean_ctor_set(x_10, 0, x_105);
+lean_ctor_set(x_10, 0, x_102);
 return x_10;
 }
 }
 else
 {
-lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_106 = lean_ctor_get(x_10, 0);
-x_107 = lean_ctor_get(x_10, 1);
-lean_inc(x_107);
-lean_inc(x_106);
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_103 = lean_ctor_get(x_10, 0);
+x_104 = lean_ctor_get(x_10, 1);
+lean_inc(x_104);
+lean_inc(x_103);
 lean_dec(x_10);
-x_108 = lean_ctor_get(x_106, 1);
-lean_inc(x_108);
-lean_dec(x_106);
-x_109 = lean_ctor_get(x_108, 0);
-lean_inc(x_109);
-lean_dec(x_108);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
+x_106 = lean_ctor_get(x_105, 0);
+lean_inc(x_106);
+lean_dec(x_105);
 lean_inc(x_1);
-x_110 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_109, x_1);
-if (lean_obj_tag(x_110) == 0)
+x_107 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_106, x_1);
+if (lean_obj_tag(x_107) == 0)
 {
-lean_object* x_111; 
+lean_object* x_108; 
 lean_inc(x_6);
 lean_inc(x_4);
-x_111 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_107);
-if (lean_obj_tag(x_111) == 0)
+x_108 = lean_apply_5(x_2, x_3, x_4, x_5, x_6, x_104);
+if (lean_obj_tag(x_108) == 0)
 {
-lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; 
-x_112 = lean_ctor_get(x_111, 0);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_111, 1);
-lean_inc(x_113);
-if (lean_is_exclusive(x_111)) {
- lean_ctor_release(x_111, 0);
- lean_ctor_release(x_111, 1);
- x_114 = x_111;
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = lean_ctor_get(x_108, 0);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 1);
+lean_inc(x_110);
+if (lean_is_exclusive(x_108)) {
+ lean_ctor_release(x_108, 0);
+ lean_ctor_release(x_108, 1);
+ x_111 = x_108;
 } else {
- lean_dec_ref(x_111);
- x_114 = lean_box(0);
+ lean_dec_ref(x_108);
+ x_111 = lean_box(0);
 }
-x_115 = l_Lean_Expr_hasMVar(x_1);
-if (x_115 == 0)
+x_112 = l_Lean_Expr_hasMVar(x_1);
+if (x_112 == 0)
 {
-uint8_t x_116; 
-x_116 = l_Lean_Expr_hasMVar(x_112);
-if (x_116 == 0)
+uint8_t x_113; 
+x_113 = l_Lean_Expr_hasMVar(x_109);
+if (x_113 == 0)
 {
-lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-lean_dec(x_114);
-x_117 = lean_st_ref_get(x_6, x_113);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
+lean_dec(x_111);
+x_114 = lean_st_ref_get(x_6, x_110);
 lean_dec(x_6);
+x_115 = lean_ctor_get(x_114, 1);
+lean_inc(x_115);
+lean_dec(x_114);
+x_116 = lean_st_ref_take(x_4, x_115);
+x_117 = lean_ctor_get(x_116, 0);
+lean_inc(x_117);
 x_118 = lean_ctor_get(x_117, 1);
 lean_inc(x_118);
-lean_dec(x_117);
-x_119 = lean_st_ref_take(x_4, x_118);
-x_120 = lean_ctor_get(x_119, 0);
+x_119 = lean_ctor_get(x_116, 1);
+lean_inc(x_119);
+lean_dec(x_116);
+x_120 = lean_ctor_get(x_117, 0);
 lean_inc(x_120);
-x_121 = lean_ctor_get(x_120, 1);
+x_121 = lean_ctor_get(x_117, 2);
 lean_inc(x_121);
-x_122 = lean_ctor_get(x_119, 1);
+x_122 = lean_ctor_get(x_117, 3);
 lean_inc(x_122);
-lean_dec(x_119);
-x_123 = lean_ctor_get(x_120, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_120, 2);
+if (lean_is_exclusive(x_117)) {
+ lean_ctor_release(x_117, 0);
+ lean_ctor_release(x_117, 1);
+ lean_ctor_release(x_117, 2);
+ lean_ctor_release(x_117, 3);
+ x_123 = x_117;
+} else {
+ lean_dec_ref(x_117);
+ x_123 = lean_box(0);
+}
+x_124 = lean_ctor_get(x_118, 0);
 lean_inc(x_124);
-x_125 = lean_ctor_get(x_120, 3);
+x_125 = lean_ctor_get(x_118, 1);
 lean_inc(x_125);
-if (lean_is_exclusive(x_120)) {
- lean_ctor_release(x_120, 0);
- lean_ctor_release(x_120, 1);
- lean_ctor_release(x_120, 2);
- lean_ctor_release(x_120, 3);
- x_126 = x_120;
-} else {
- lean_dec_ref(x_120);
- x_126 = lean_box(0);
-}
-x_127 = lean_ctor_get(x_121, 0);
+x_126 = lean_ctor_get(x_118, 2);
+lean_inc(x_126);
+x_127 = lean_ctor_get(x_118, 3);
 lean_inc(x_127);
-x_128 = lean_ctor_get(x_121, 1);
+x_128 = lean_ctor_get(x_118, 4);
 lean_inc(x_128);
-x_129 = lean_ctor_get(x_121, 2);
+x_129 = lean_ctor_get(x_118, 5);
 lean_inc(x_129);
-x_130 = lean_ctor_get(x_121, 3);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_121, 4);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_121, 5);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_121, 6);
-lean_inc(x_133);
-if (lean_is_exclusive(x_121)) {
- lean_ctor_release(x_121, 0);
- lean_ctor_release(x_121, 1);
- lean_ctor_release(x_121, 2);
- lean_ctor_release(x_121, 3);
- lean_ctor_release(x_121, 4);
- lean_ctor_release(x_121, 5);
- lean_ctor_release(x_121, 6);
- x_134 = x_121;
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ lean_ctor_release(x_118, 2);
+ lean_ctor_release(x_118, 3);
+ lean_ctor_release(x_118, 4);
+ lean_ctor_release(x_118, 5);
+ x_130 = x_118;
 } else {
- lean_dec_ref(x_121);
- x_134 = lean_box(0);
+ lean_dec_ref(x_118);
+ x_130 = lean_box(0);
 }
-lean_inc(x_112);
-x_135 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_127, x_1, x_112);
-if (lean_is_scalar(x_134)) {
- x_136 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_109);
+x_131 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_124, x_1, x_109);
+if (lean_is_scalar(x_130)) {
+ x_132 = lean_alloc_ctor(0, 6, 0);
 } else {
+ x_132 = x_130;
+}
+lean_ctor_set(x_132, 0, x_131);
+lean_ctor_set(x_132, 1, x_125);
+lean_ctor_set(x_132, 2, x_126);
+lean_ctor_set(x_132, 3, x_127);
+lean_ctor_set(x_132, 4, x_128);
+lean_ctor_set(x_132, 5, x_129);
+if (lean_is_scalar(x_123)) {
+ x_133 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_133 = x_123;
+}
+lean_ctor_set(x_133, 0, x_120);
+lean_ctor_set(x_133, 1, x_132);
+lean_ctor_set(x_133, 2, x_121);
+lean_ctor_set(x_133, 3, x_122);
+x_134 = lean_st_ref_set(x_4, x_133, x_119);
+lean_dec(x_4);
+x_135 = lean_ctor_get(x_134, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
  x_136 = x_134;
-}
-lean_ctor_set(x_136, 0, x_135);
-lean_ctor_set(x_136, 1, x_128);
-lean_ctor_set(x_136, 2, x_129);
-lean_ctor_set(x_136, 3, x_130);
-lean_ctor_set(x_136, 4, x_131);
-lean_ctor_set(x_136, 5, x_132);
-lean_ctor_set(x_136, 6, x_133);
-if (lean_is_scalar(x_126)) {
- x_137 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_137 = x_126;
+ lean_dec_ref(x_134);
+ x_136 = lean_box(0);
 }
-lean_ctor_set(x_137, 0, x_123);
-lean_ctor_set(x_137, 1, x_136);
-lean_ctor_set(x_137, 2, x_124);
-lean_ctor_set(x_137, 3, x_125);
-x_138 = lean_st_ref_set(x_4, x_137, x_122);
-lean_dec(x_4);
-x_139 = lean_ctor_get(x_138, 1);
-lean_inc(x_139);
-if (lean_is_exclusive(x_138)) {
- lean_ctor_release(x_138, 0);
- lean_ctor_release(x_138, 1);
- x_140 = x_138;
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_138);
- x_140 = lean_box(0);
+ x_137 = x_136;
 }
-if (lean_is_scalar(x_140)) {
- x_141 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_141 = x_140;
-}
-lean_ctor_set(x_141, 0, x_112);
-lean_ctor_set(x_141, 1, x_139);
-return x_141;
+lean_ctor_set(x_137, 0, x_109);
+lean_ctor_set(x_137, 1, x_135);
+return x_137;
 }
 else
 {
-lean_object* x_142; 
+lean_object* x_138; 
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_1);
-if (lean_is_scalar(x_114)) {
- x_142 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_111)) {
+ x_138 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_142 = x_114;
+ x_138 = x_111;
 }
-lean_ctor_set(x_142, 0, x_112);
-lean_ctor_set(x_142, 1, x_113);
-return x_142;
+lean_ctor_set(x_138, 0, x_109);
+lean_ctor_set(x_138, 1, x_110);
+return x_138;
 }
 }
 else
 {
-lean_object* x_143; 
+lean_object* x_139; 
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_1);
-if (lean_is_scalar(x_114)) {
- x_143 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_111)) {
+ x_139 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_143 = x_114;
+ x_139 = x_111;
 }
-lean_ctor_set(x_143, 0, x_112);
-lean_ctor_set(x_143, 1, x_113);
+lean_ctor_set(x_139, 0, x_109);
+lean_ctor_set(x_139, 1, x_110);
+return x_139;
+}
+}
+else
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_1);
+x_140 = lean_ctor_get(x_108, 0);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_108, 1);
+lean_inc(x_141);
+if (lean_is_exclusive(x_108)) {
+ lean_ctor_release(x_108, 0);
+ lean_ctor_release(x_108, 1);
+ x_142 = x_108;
+} else {
+ lean_dec_ref(x_108);
+ x_142 = lean_box(0);
+}
+if (lean_is_scalar(x_142)) {
+ x_143 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_143 = x_142;
+}
+lean_ctor_set(x_143, 0, x_140);
+lean_ctor_set(x_143, 1, x_141);
 return x_143;
 }
 }
 else
 {
-lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; 
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_1);
-x_144 = lean_ctor_get(x_111, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_111, 1);
-lean_inc(x_145);
-if (lean_is_exclusive(x_111)) {
- lean_ctor_release(x_111, 0);
- lean_ctor_release(x_111, 1);
- x_146 = x_111;
-} else {
- lean_dec_ref(x_111);
- x_146 = lean_box(0);
-}
-if (lean_is_scalar(x_146)) {
- x_147 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_147 = x_146;
-}
-lean_ctor_set(x_147, 0, x_144);
-lean_ctor_set(x_147, 1, x_145);
-return x_147;
-}
-}
-else
-{
-lean_object* x_148; lean_object* x_149; 
+lean_object* x_144; lean_object* x_145; 
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_148 = lean_ctor_get(x_110, 0);
-lean_inc(x_148);
-lean_dec(x_110);
-x_149 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_149, 0, x_148);
-lean_ctor_set(x_149, 1, x_107);
-return x_149;
+x_144 = lean_ctor_get(x_107, 0);
+lean_inc(x_144);
+lean_dec(x_107);
+x_145 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_145, 0, x_144);
+lean_ctor_set(x_145, 1, x_104);
+return x_145;
 }
 }
 }
@@ -7364,15 +7343,13 @@ return x_58;
 }
 else
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
 x_59 = lean_ctor_get(x_47, 0);
 x_60 = lean_ctor_get(x_47, 1);
 x_61 = lean_ctor_get(x_47, 2);
 x_62 = lean_ctor_get(x_47, 3);
 x_63 = lean_ctor_get(x_47, 4);
 x_64 = lean_ctor_get(x_47, 5);
-x_65 = lean_ctor_get(x_47, 6);
-lean_inc(x_65);
 lean_inc(x_64);
 lean_inc(x_63);
 lean_inc(x_62);
@@ -7381,62 +7358,59 @@ lean_inc(x_60);
 lean_inc(x_59);
 lean_dec(x_47);
 lean_inc(x_39);
-x_66 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_59, x_1, x_39);
-x_67 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_60);
-lean_ctor_set(x_67, 2, x_61);
-lean_ctor_set(x_67, 3, x_62);
-lean_ctor_set(x_67, 4, x_63);
-lean_ctor_set(x_67, 5, x_64);
-lean_ctor_set(x_67, 6, x_65);
-lean_ctor_set(x_46, 1, x_67);
-x_68 = lean_st_ref_set(x_3, x_46, x_48);
+x_65 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_59, x_1, x_39);
+x_66 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_66, 0, x_65);
+lean_ctor_set(x_66, 1, x_60);
+lean_ctor_set(x_66, 2, x_61);
+lean_ctor_set(x_66, 3, x_62);
+lean_ctor_set(x_66, 4, x_63);
+lean_ctor_set(x_66, 5, x_64);
+lean_ctor_set(x_46, 1, x_66);
+x_67 = lean_st_ref_set(x_3, x_46, x_48);
 lean_dec(x_3);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- x_70 = x_68;
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+if (lean_is_exclusive(x_67)) {
+ lean_ctor_release(x_67, 0);
+ lean_ctor_release(x_67, 1);
+ x_69 = x_67;
 } else {
- lean_dec_ref(x_68);
- x_70 = lean_box(0);
+ lean_dec_ref(x_67);
+ x_69 = lean_box(0);
 }
-if (lean_is_scalar(x_70)) {
- x_71 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_69)) {
+ x_70 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_71 = x_70;
+ x_70 = x_69;
 }
-lean_ctor_set(x_71, 0, x_39);
-lean_ctor_set(x_71, 1, x_69);
-return x_71;
+lean_ctor_set(x_70, 0, x_39);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
 }
 }
 else
 {
-lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_72 = lean_ctor_get(x_46, 0);
-x_73 = lean_ctor_get(x_46, 2);
-x_74 = lean_ctor_get(x_46, 3);
-lean_inc(x_74);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
+x_71 = lean_ctor_get(x_46, 0);
+x_72 = lean_ctor_get(x_46, 2);
+x_73 = lean_ctor_get(x_46, 3);
 lean_inc(x_73);
 lean_inc(x_72);
+lean_inc(x_71);
 lean_dec(x_46);
-x_75 = lean_ctor_get(x_47, 0);
+x_74 = lean_ctor_get(x_47, 0);
+lean_inc(x_74);
+x_75 = lean_ctor_get(x_47, 1);
 lean_inc(x_75);
-x_76 = lean_ctor_get(x_47, 1);
+x_76 = lean_ctor_get(x_47, 2);
 lean_inc(x_76);
-x_77 = lean_ctor_get(x_47, 2);
+x_77 = lean_ctor_get(x_47, 3);
 lean_inc(x_77);
-x_78 = lean_ctor_get(x_47, 3);
+x_78 = lean_ctor_get(x_47, 4);
 lean_inc(x_78);
-x_79 = lean_ctor_get(x_47, 4);
+x_79 = lean_ctor_get(x_47, 5);
 lean_inc(x_79);
-x_80 = lean_ctor_get(x_47, 5);
-lean_inc(x_80);
-x_81 = lean_ctor_get(x_47, 6);
-lean_inc(x_81);
 if (lean_is_exclusive(x_47)) {
  lean_ctor_release(x_47, 0);
  lean_ctor_release(x_47, 1);
@@ -7444,51 +7418,49 @@ if (lean_is_exclusive(x_47)) {
  lean_ctor_release(x_47, 3);
  lean_ctor_release(x_47, 4);
  lean_ctor_release(x_47, 5);
- lean_ctor_release(x_47, 6);
- x_82 = x_47;
+ x_80 = x_47;
 } else {
  lean_dec_ref(x_47);
- x_82 = lean_box(0);
+ x_80 = lean_box(0);
 }
 lean_inc(x_39);
-x_83 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_75, x_1, x_39);
-if (lean_is_scalar(x_82)) {
- x_84 = lean_alloc_ctor(0, 7, 0);
+x_81 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_74, x_1, x_39);
+if (lean_is_scalar(x_80)) {
+ x_82 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_84 = x_82;
+ x_82 = x_80;
 }
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_76);
-lean_ctor_set(x_84, 2, x_77);
-lean_ctor_set(x_84, 3, x_78);
-lean_ctor_set(x_84, 4, x_79);
-lean_ctor_set(x_84, 5, x_80);
-lean_ctor_set(x_84, 6, x_81);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_72);
-lean_ctor_set(x_85, 1, x_84);
-lean_ctor_set(x_85, 2, x_73);
-lean_ctor_set(x_85, 3, x_74);
-x_86 = lean_st_ref_set(x_3, x_85, x_48);
+lean_ctor_set(x_82, 0, x_81);
+lean_ctor_set(x_82, 1, x_75);
+lean_ctor_set(x_82, 2, x_76);
+lean_ctor_set(x_82, 3, x_77);
+lean_ctor_set(x_82, 4, x_78);
+lean_ctor_set(x_82, 5, x_79);
+x_83 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_83, 0, x_71);
+lean_ctor_set(x_83, 1, x_82);
+lean_ctor_set(x_83, 2, x_72);
+lean_ctor_set(x_83, 3, x_73);
+x_84 = lean_st_ref_set(x_3, x_83, x_48);
 lean_dec(x_3);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_88 = x_86;
+x_85 = lean_ctor_get(x_84, 1);
+lean_inc(x_85);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_86 = x_84;
 } else {
- lean_dec_ref(x_86);
- x_88 = lean_box(0);
+ lean_dec_ref(x_84);
+ x_86 = lean_box(0);
 }
-if (lean_is_scalar(x_88)) {
- x_89 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_86)) {
+ x_87 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_89 = x_88;
+ x_87 = x_86;
 }
-lean_ctor_set(x_89, 0, x_39);
-lean_ctor_set(x_89, 1, x_87);
-return x_89;
+lean_ctor_set(x_87, 0, x_39);
+lean_ctor_set(x_87, 1, x_85);
+return x_87;
 }
 }
 else
@@ -7509,174 +7481,170 @@ return x_37;
 }
 else
 {
-lean_object* x_90; lean_object* x_91; uint8_t x_92; 
-x_90 = lean_ctor_get(x_37, 0);
-x_91 = lean_ctor_get(x_37, 1);
-lean_inc(x_91);
-lean_inc(x_90);
+lean_object* x_88; lean_object* x_89; uint8_t x_90; 
+x_88 = lean_ctor_get(x_37, 0);
+x_89 = lean_ctor_get(x_37, 1);
+lean_inc(x_89);
+lean_inc(x_88);
 lean_dec(x_37);
-x_92 = l_Lean_Expr_hasMVar(x_1);
-if (x_92 == 0)
+x_90 = l_Lean_Expr_hasMVar(x_1);
+if (x_90 == 0)
 {
-uint8_t x_93; 
-x_93 = l_Lean_Expr_hasMVar(x_90);
-if (x_93 == 0)
+uint8_t x_91; 
+x_91 = l_Lean_Expr_hasMVar(x_88);
+if (x_91 == 0)
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-x_94 = lean_st_ref_get(x_5, x_91);
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_92 = lean_st_ref_get(x_5, x_89);
 lean_dec(x_5);
-x_95 = lean_ctor_get(x_94, 1);
+x_93 = lean_ctor_get(x_92, 1);
+lean_inc(x_93);
+lean_dec(x_92);
+x_94 = lean_st_ref_take(x_3, x_93);
+x_95 = lean_ctor_get(x_94, 0);
 lean_inc(x_95);
-lean_dec(x_94);
-x_96 = lean_st_ref_take(x_3, x_95);
-x_97 = lean_ctor_get(x_96, 0);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_94, 1);
 lean_inc(x_97);
-x_98 = lean_ctor_get(x_97, 1);
+lean_dec(x_94);
+x_98 = lean_ctor_get(x_95, 0);
 lean_inc(x_98);
-x_99 = lean_ctor_get(x_96, 1);
+x_99 = lean_ctor_get(x_95, 2);
 lean_inc(x_99);
-lean_dec(x_96);
-x_100 = lean_ctor_get(x_97, 0);
+x_100 = lean_ctor_get(x_95, 3);
 lean_inc(x_100);
-x_101 = lean_ctor_get(x_97, 2);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_97, 3);
+if (lean_is_exclusive(x_95)) {
+ lean_ctor_release(x_95, 0);
+ lean_ctor_release(x_95, 1);
+ lean_ctor_release(x_95, 2);
+ lean_ctor_release(x_95, 3);
+ x_101 = x_95;
+} else {
+ lean_dec_ref(x_95);
+ x_101 = lean_box(0);
+}
+x_102 = lean_ctor_get(x_96, 0);
 lean_inc(x_102);
-if (lean_is_exclusive(x_97)) {
- lean_ctor_release(x_97, 0);
- lean_ctor_release(x_97, 1);
- lean_ctor_release(x_97, 2);
- lean_ctor_release(x_97, 3);
- x_103 = x_97;
-} else {
- lean_dec_ref(x_97);
- x_103 = lean_box(0);
-}
-x_104 = lean_ctor_get(x_98, 0);
+x_103 = lean_ctor_get(x_96, 1);
+lean_inc(x_103);
+x_104 = lean_ctor_get(x_96, 2);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_98, 1);
+x_105 = lean_ctor_get(x_96, 3);
 lean_inc(x_105);
-x_106 = lean_ctor_get(x_98, 2);
+x_106 = lean_ctor_get(x_96, 4);
 lean_inc(x_106);
-x_107 = lean_ctor_get(x_98, 3);
+x_107 = lean_ctor_get(x_96, 5);
 lean_inc(x_107);
-x_108 = lean_ctor_get(x_98, 4);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_98, 5);
-lean_inc(x_109);
-x_110 = lean_ctor_get(x_98, 6);
-lean_inc(x_110);
-if (lean_is_exclusive(x_98)) {
- lean_ctor_release(x_98, 0);
- lean_ctor_release(x_98, 1);
- lean_ctor_release(x_98, 2);
- lean_ctor_release(x_98, 3);
- lean_ctor_release(x_98, 4);
- lean_ctor_release(x_98, 5);
- lean_ctor_release(x_98, 6);
- x_111 = x_98;
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ lean_ctor_release(x_96, 2);
+ lean_ctor_release(x_96, 3);
+ lean_ctor_release(x_96, 4);
+ lean_ctor_release(x_96, 5);
+ x_108 = x_96;
 } else {
- lean_dec_ref(x_98);
- x_111 = lean_box(0);
+ lean_dec_ref(x_96);
+ x_108 = lean_box(0);
 }
-lean_inc(x_90);
-x_112 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_104, x_1, x_90);
-if (lean_is_scalar(x_111)) {
- x_113 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_88);
+x_109 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_102, x_1, x_88);
+if (lean_is_scalar(x_108)) {
+ x_110 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_113 = x_111;
+ x_110 = x_108;
 }
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_105);
-lean_ctor_set(x_113, 2, x_106);
-lean_ctor_set(x_113, 3, x_107);
-lean_ctor_set(x_113, 4, x_108);
-lean_ctor_set(x_113, 5, x_109);
-lean_ctor_set(x_113, 6, x_110);
-if (lean_is_scalar(x_103)) {
- x_114 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_110, 0, x_109);
+lean_ctor_set(x_110, 1, x_103);
+lean_ctor_set(x_110, 2, x_104);
+lean_ctor_set(x_110, 3, x_105);
+lean_ctor_set(x_110, 4, x_106);
+lean_ctor_set(x_110, 5, x_107);
+if (lean_is_scalar(x_101)) {
+ x_111 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_114 = x_103;
+ x_111 = x_101;
 }
-lean_ctor_set(x_114, 0, x_100);
-lean_ctor_set(x_114, 1, x_113);
-lean_ctor_set(x_114, 2, x_101);
-lean_ctor_set(x_114, 3, x_102);
-x_115 = lean_st_ref_set(x_3, x_114, x_99);
+lean_ctor_set(x_111, 0, x_98);
+lean_ctor_set(x_111, 1, x_110);
+lean_ctor_set(x_111, 2, x_99);
+lean_ctor_set(x_111, 3, x_100);
+x_112 = lean_st_ref_set(x_3, x_111, x_97);
 lean_dec(x_3);
-x_116 = lean_ctor_get(x_115, 1);
-lean_inc(x_116);
-if (lean_is_exclusive(x_115)) {
- lean_ctor_release(x_115, 0);
- lean_ctor_release(x_115, 1);
- x_117 = x_115;
+x_113 = lean_ctor_get(x_112, 1);
+lean_inc(x_113);
+if (lean_is_exclusive(x_112)) {
+ lean_ctor_release(x_112, 0);
+ lean_ctor_release(x_112, 1);
+ x_114 = x_112;
 } else {
- lean_dec_ref(x_115);
- x_117 = lean_box(0);
+ lean_dec_ref(x_112);
+ x_114 = lean_box(0);
 }
-if (lean_is_scalar(x_117)) {
- x_118 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_114)) {
+ x_115 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_118 = x_117;
+ x_115 = x_114;
 }
-lean_ctor_set(x_118, 0, x_90);
-lean_ctor_set(x_118, 1, x_116);
-return x_118;
+lean_ctor_set(x_115, 0, x_88);
+lean_ctor_set(x_115, 1, x_113);
+return x_115;
 }
 else
 {
-lean_object* x_119; 
+lean_object* x_116; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_119 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_119, 0, x_90);
-lean_ctor_set(x_119, 1, x_91);
-return x_119;
+x_116 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_116, 0, x_88);
+lean_ctor_set(x_116, 1, x_89);
+return x_116;
 }
 }
 else
 {
-lean_object* x_120; 
+lean_object* x_117; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_90);
-lean_ctor_set(x_120, 1, x_91);
-return x_120;
+x_117 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_117, 0, x_88);
+lean_ctor_set(x_117, 1, x_89);
+return x_117;
 }
 }
 }
 else
 {
-uint8_t x_121; 
+uint8_t x_118; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_121 = !lean_is_exclusive(x_37);
-if (x_121 == 0)
+x_118 = !lean_is_exclusive(x_37);
+if (x_118 == 0)
 {
 return x_37;
 }
 else
 {
-lean_object* x_122; lean_object* x_123; lean_object* x_124; 
-x_122 = lean_ctor_get(x_37, 0);
-x_123 = lean_ctor_get(x_37, 1);
-lean_inc(x_123);
-lean_inc(x_122);
+lean_object* x_119; lean_object* x_120; lean_object* x_121; 
+x_119 = lean_ctor_get(x_37, 0);
+x_120 = lean_ctor_get(x_37, 1);
+lean_inc(x_120);
+lean_inc(x_119);
 lean_dec(x_37);
-x_124 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_124, 0, x_122);
-lean_ctor_set(x_124, 1, x_123);
-return x_124;
+x_121 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_121, 0, x_119);
+lean_ctor_set(x_121, 1, x_120);
+return x_121;
 }
 }
 }
 else
 {
-lean_object* x_125; 
+lean_object* x_122; 
 lean_dec(x_27);
 lean_dec(x_23);
 lean_dec(x_5);
@@ -7684,222 +7652,218 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_125 = lean_ctor_get(x_36, 0);
-lean_inc(x_125);
+x_122 = lean_ctor_get(x_36, 0);
+lean_inc(x_122);
 lean_dec(x_36);
-lean_ctor_set(x_30, 0, x_125);
+lean_ctor_set(x_30, 0, x_122);
 return x_30;
 }
 }
 else
 {
-lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
-x_126 = lean_ctor_get(x_30, 0);
-x_127 = lean_ctor_get(x_30, 1);
-lean_inc(x_127);
-lean_inc(x_126);
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_123 = lean_ctor_get(x_30, 0);
+x_124 = lean_ctor_get(x_30, 1);
+lean_inc(x_124);
+lean_inc(x_123);
 lean_dec(x_30);
-x_128 = lean_ctor_get(x_126, 1);
-lean_inc(x_128);
-lean_dec(x_126);
-x_129 = lean_ctor_get(x_128, 0);
-lean_inc(x_129);
-lean_dec(x_128);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
+x_126 = lean_ctor_get(x_125, 0);
+lean_inc(x_126);
+lean_dec(x_125);
 lean_inc(x_1);
-x_130 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_129, x_1);
-if (lean_obj_tag(x_130) == 0)
+x_127 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_126, x_1);
+if (lean_obj_tag(x_127) == 0)
 {
-lean_object* x_131; 
+lean_object* x_128; 
 lean_inc(x_5);
 lean_inc(x_3);
-x_131 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferConstType(x_27, x_23, x_2, x_3, x_4, x_5, x_127);
-if (lean_obj_tag(x_131) == 0)
+x_128 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferConstType(x_27, x_23, x_2, x_3, x_4, x_5, x_124);
+if (lean_obj_tag(x_128) == 0)
 {
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; 
-x_132 = lean_ctor_get(x_131, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_131, 1);
-lean_inc(x_133);
-if (lean_is_exclusive(x_131)) {
- lean_ctor_release(x_131, 0);
- lean_ctor_release(x_131, 1);
- x_134 = x_131;
+lean_object* x_129; lean_object* x_130; lean_object* x_131; uint8_t x_132; 
+x_129 = lean_ctor_get(x_128, 0);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_128, 1);
+lean_inc(x_130);
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_131 = x_128;
 } else {
- lean_dec_ref(x_131);
- x_134 = lean_box(0);
+ lean_dec_ref(x_128);
+ x_131 = lean_box(0);
 }
-x_135 = l_Lean_Expr_hasMVar(x_1);
-if (x_135 == 0)
+x_132 = l_Lean_Expr_hasMVar(x_1);
+if (x_132 == 0)
 {
-uint8_t x_136; 
-x_136 = l_Lean_Expr_hasMVar(x_132);
-if (x_136 == 0)
+uint8_t x_133; 
+x_133 = l_Lean_Expr_hasMVar(x_129);
+if (x_133 == 0)
 {
-lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
-lean_dec(x_134);
-x_137 = lean_st_ref_get(x_5, x_133);
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+lean_dec(x_131);
+x_134 = lean_st_ref_get(x_5, x_130);
 lean_dec(x_5);
+x_135 = lean_ctor_get(x_134, 1);
+lean_inc(x_135);
+lean_dec(x_134);
+x_136 = lean_st_ref_take(x_3, x_135);
+x_137 = lean_ctor_get(x_136, 0);
+lean_inc(x_137);
 x_138 = lean_ctor_get(x_137, 1);
 lean_inc(x_138);
-lean_dec(x_137);
-x_139 = lean_st_ref_take(x_3, x_138);
-x_140 = lean_ctor_get(x_139, 0);
+x_139 = lean_ctor_get(x_136, 1);
+lean_inc(x_139);
+lean_dec(x_136);
+x_140 = lean_ctor_get(x_137, 0);
 lean_inc(x_140);
-x_141 = lean_ctor_get(x_140, 1);
+x_141 = lean_ctor_get(x_137, 2);
 lean_inc(x_141);
-x_142 = lean_ctor_get(x_139, 1);
+x_142 = lean_ctor_get(x_137, 3);
 lean_inc(x_142);
-lean_dec(x_139);
-x_143 = lean_ctor_get(x_140, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get(x_140, 2);
+if (lean_is_exclusive(x_137)) {
+ lean_ctor_release(x_137, 0);
+ lean_ctor_release(x_137, 1);
+ lean_ctor_release(x_137, 2);
+ lean_ctor_release(x_137, 3);
+ x_143 = x_137;
+} else {
+ lean_dec_ref(x_137);
+ x_143 = lean_box(0);
+}
+x_144 = lean_ctor_get(x_138, 0);
 lean_inc(x_144);
-x_145 = lean_ctor_get(x_140, 3);
+x_145 = lean_ctor_get(x_138, 1);
 lean_inc(x_145);
-if (lean_is_exclusive(x_140)) {
- lean_ctor_release(x_140, 0);
- lean_ctor_release(x_140, 1);
- lean_ctor_release(x_140, 2);
- lean_ctor_release(x_140, 3);
- x_146 = x_140;
-} else {
- lean_dec_ref(x_140);
- x_146 = lean_box(0);
-}
-x_147 = lean_ctor_get(x_141, 0);
+x_146 = lean_ctor_get(x_138, 2);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_138, 3);
 lean_inc(x_147);
-x_148 = lean_ctor_get(x_141, 1);
+x_148 = lean_ctor_get(x_138, 4);
 lean_inc(x_148);
-x_149 = lean_ctor_get(x_141, 2);
+x_149 = lean_ctor_get(x_138, 5);
 lean_inc(x_149);
-x_150 = lean_ctor_get(x_141, 3);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_141, 4);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_141, 5);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_141, 6);
-lean_inc(x_153);
-if (lean_is_exclusive(x_141)) {
- lean_ctor_release(x_141, 0);
- lean_ctor_release(x_141, 1);
- lean_ctor_release(x_141, 2);
- lean_ctor_release(x_141, 3);
- lean_ctor_release(x_141, 4);
- lean_ctor_release(x_141, 5);
- lean_ctor_release(x_141, 6);
- x_154 = x_141;
+if (lean_is_exclusive(x_138)) {
+ lean_ctor_release(x_138, 0);
+ lean_ctor_release(x_138, 1);
+ lean_ctor_release(x_138, 2);
+ lean_ctor_release(x_138, 3);
+ lean_ctor_release(x_138, 4);
+ lean_ctor_release(x_138, 5);
+ x_150 = x_138;
 } else {
- lean_dec_ref(x_141);
- x_154 = lean_box(0);
+ lean_dec_ref(x_138);
+ x_150 = lean_box(0);
 }
-lean_inc(x_132);
-x_155 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_147, x_1, x_132);
-if (lean_is_scalar(x_154)) {
- x_156 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_129);
+x_151 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_144, x_1, x_129);
+if (lean_is_scalar(x_150)) {
+ x_152 = lean_alloc_ctor(0, 6, 0);
 } else {
+ x_152 = x_150;
+}
+lean_ctor_set(x_152, 0, x_151);
+lean_ctor_set(x_152, 1, x_145);
+lean_ctor_set(x_152, 2, x_146);
+lean_ctor_set(x_152, 3, x_147);
+lean_ctor_set(x_152, 4, x_148);
+lean_ctor_set(x_152, 5, x_149);
+if (lean_is_scalar(x_143)) {
+ x_153 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_153 = x_143;
+}
+lean_ctor_set(x_153, 0, x_140);
+lean_ctor_set(x_153, 1, x_152);
+lean_ctor_set(x_153, 2, x_141);
+lean_ctor_set(x_153, 3, x_142);
+x_154 = lean_st_ref_set(x_3, x_153, x_139);
+lean_dec(x_3);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
  x_156 = x_154;
-}
-lean_ctor_set(x_156, 0, x_155);
-lean_ctor_set(x_156, 1, x_148);
-lean_ctor_set(x_156, 2, x_149);
-lean_ctor_set(x_156, 3, x_150);
-lean_ctor_set(x_156, 4, x_151);
-lean_ctor_set(x_156, 5, x_152);
-lean_ctor_set(x_156, 6, x_153);
-if (lean_is_scalar(x_146)) {
- x_157 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_157 = x_146;
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
 }
-lean_ctor_set(x_157, 0, x_143);
-lean_ctor_set(x_157, 1, x_156);
-lean_ctor_set(x_157, 2, x_144);
-lean_ctor_set(x_157, 3, x_145);
-x_158 = lean_st_ref_set(x_3, x_157, x_142);
-lean_dec(x_3);
-x_159 = lean_ctor_get(x_158, 1);
-lean_inc(x_159);
-if (lean_is_exclusive(x_158)) {
- lean_ctor_release(x_158, 0);
- lean_ctor_release(x_158, 1);
- x_160 = x_158;
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_158);
- x_160 = lean_box(0);
+ x_157 = x_156;
 }
-if (lean_is_scalar(x_160)) {
- x_161 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_161 = x_160;
-}
-lean_ctor_set(x_161, 0, x_132);
-lean_ctor_set(x_161, 1, x_159);
-return x_161;
+lean_ctor_set(x_157, 0, x_129);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 else
 {
-lean_object* x_162; 
+lean_object* x_158; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_134)) {
- x_162 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_131)) {
+ x_158 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_162 = x_134;
+ x_158 = x_131;
 }
-lean_ctor_set(x_162, 0, x_132);
-lean_ctor_set(x_162, 1, x_133);
-return x_162;
+lean_ctor_set(x_158, 0, x_129);
+lean_ctor_set(x_158, 1, x_130);
+return x_158;
 }
 }
 else
 {
-lean_object* x_163; 
+lean_object* x_159; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_134)) {
- x_163 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_131)) {
+ x_159 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_163 = x_134;
+ x_159 = x_131;
 }
-lean_ctor_set(x_163, 0, x_132);
-lean_ctor_set(x_163, 1, x_133);
+lean_ctor_set(x_159, 0, x_129);
+lean_ctor_set(x_159, 1, x_130);
+return x_159;
+}
+}
+else
+{
+lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_160 = lean_ctor_get(x_128, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_128, 1);
+lean_inc(x_161);
+if (lean_is_exclusive(x_128)) {
+ lean_ctor_release(x_128, 0);
+ lean_ctor_release(x_128, 1);
+ x_162 = x_128;
+} else {
+ lean_dec_ref(x_128);
+ x_162 = lean_box(0);
+}
+if (lean_is_scalar(x_162)) {
+ x_163 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_163 = x_162;
+}
+lean_ctor_set(x_163, 0, x_160);
+lean_ctor_set(x_163, 1, x_161);
 return x_163;
 }
 }
 else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_164 = lean_ctor_get(x_131, 0);
-lean_inc(x_164);
-x_165 = lean_ctor_get(x_131, 1);
-lean_inc(x_165);
-if (lean_is_exclusive(x_131)) {
- lean_ctor_release(x_131, 0);
- lean_ctor_release(x_131, 1);
- x_166 = x_131;
-} else {
- lean_dec_ref(x_131);
- x_166 = lean_box(0);
-}
-if (lean_is_scalar(x_166)) {
- x_167 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_167 = x_166;
-}
-lean_ctor_set(x_167, 0, x_164);
-lean_ctor_set(x_167, 1, x_165);
-return x_167;
-}
-}
-else
-{
-lean_object* x_168; lean_object* x_169; 
+lean_object* x_164; lean_object* x_165; 
 lean_dec(x_27);
 lean_dec(x_23);
 lean_dec(x_5);
@@ -7907,256 +7871,249 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_168 = lean_ctor_get(x_130, 0);
-lean_inc(x_168);
-lean_dec(x_130);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_127);
-return x_169;
+x_164 = lean_ctor_get(x_127, 0);
+lean_inc(x_164);
+lean_dec(x_127);
+x_165 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_165, 0, x_164);
+lean_ctor_set(x_165, 1, x_124);
+return x_165;
 }
 }
 }
 }
 case 5:
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; uint8_t x_182; 
-x_170 = lean_ctor_get(x_1, 0);
-lean_inc(x_170);
-x_171 = l_Lean_Expr_getAppFn(x_170);
-lean_dec(x_170);
-x_172 = lean_unsigned_to_nat(0u);
-x_173 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_172);
-x_174 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType___closed__1;
-lean_inc(x_173);
-x_175 = lean_mk_array(x_173, x_174);
-x_176 = lean_unsigned_to_nat(1u);
-x_177 = lean_nat_sub(x_173, x_176);
-lean_dec(x_173);
+lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; uint8_t x_178; 
+x_166 = lean_ctor_get(x_1, 0);
+lean_inc(x_166);
+x_167 = l_Lean_Expr_getAppFn(x_166);
+lean_dec(x_166);
+x_168 = lean_unsigned_to_nat(0u);
+x_169 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_1, x_168);
+x_170 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType___closed__1;
+lean_inc(x_169);
+x_171 = lean_mk_array(x_169, x_170);
+x_172 = lean_unsigned_to_nat(1u);
+x_173 = lean_nat_sub(x_169, x_172);
+lean_dec(x_169);
 lean_inc(x_1);
-x_178 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_175, x_177);
-x_179 = lean_st_ref_get(x_5, x_6);
-x_180 = lean_ctor_get(x_179, 1);
-lean_inc(x_180);
+x_174 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_171, x_173);
+x_175 = lean_st_ref_get(x_5, x_6);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+lean_dec(x_175);
+x_177 = lean_st_ref_get(x_3, x_176);
+x_178 = !lean_is_exclusive(x_177);
+if (x_178 == 0)
+{
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; 
+x_179 = lean_ctor_get(x_177, 0);
+x_180 = lean_ctor_get(x_177, 1);
+x_181 = lean_ctor_get(x_179, 1);
+lean_inc(x_181);
 lean_dec(x_179);
-x_181 = lean_st_ref_get(x_3, x_180);
-x_182 = !lean_is_exclusive(x_181);
-if (x_182 == 0)
-{
-lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; 
-x_183 = lean_ctor_get(x_181, 0);
-x_184 = lean_ctor_get(x_181, 1);
-x_185 = lean_ctor_get(x_183, 1);
-lean_inc(x_185);
-lean_dec(x_183);
-x_186 = lean_ctor_get(x_185, 0);
-lean_inc(x_186);
-lean_dec(x_185);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+lean_dec(x_181);
 lean_inc(x_1);
-x_187 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_186, x_1);
-if (lean_obj_tag(x_187) == 0)
+x_183 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_182, x_1);
+if (lean_obj_tag(x_183) == 0)
 {
-lean_object* x_188; 
-lean_free_object(x_181);
+lean_object* x_184; 
+lean_free_object(x_177);
 lean_inc(x_5);
 lean_inc(x_3);
-x_188 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferAppType(x_171, x_178, x_2, x_3, x_4, x_5, x_184);
-lean_dec(x_178);
-if (lean_obj_tag(x_188) == 0)
+x_184 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferAppType(x_167, x_174, x_2, x_3, x_4, x_5, x_180);
+lean_dec(x_174);
+if (lean_obj_tag(x_184) == 0)
+{
+uint8_t x_185; 
+x_185 = !lean_is_exclusive(x_184);
+if (x_185 == 0)
+{
+lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_186 = lean_ctor_get(x_184, 0);
+x_187 = lean_ctor_get(x_184, 1);
+x_188 = l_Lean_Expr_hasMVar(x_1);
+if (x_188 == 0)
 {
 uint8_t x_189; 
-x_189 = !lean_is_exclusive(x_188);
+x_189 = l_Lean_Expr_hasMVar(x_186);
 if (x_189 == 0)
 {
-lean_object* x_190; lean_object* x_191; uint8_t x_192; 
-x_190 = lean_ctor_get(x_188, 0);
-x_191 = lean_ctor_get(x_188, 1);
-x_192 = l_Lean_Expr_hasMVar(x_1);
-if (x_192 == 0)
-{
-uint8_t x_193; 
-x_193 = l_Lean_Expr_hasMVar(x_190);
-if (x_193 == 0)
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; uint8_t x_200; 
-lean_free_object(x_188);
-x_194 = lean_st_ref_get(x_5, x_191);
+lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; uint8_t x_196; 
+lean_free_object(x_184);
+x_190 = lean_st_ref_get(x_5, x_187);
 lean_dec(x_5);
-x_195 = lean_ctor_get(x_194, 1);
+x_191 = lean_ctor_get(x_190, 1);
+lean_inc(x_191);
+lean_dec(x_190);
+x_192 = lean_st_ref_take(x_3, x_191);
+x_193 = lean_ctor_get(x_192, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_193, 1);
+lean_inc(x_194);
+x_195 = lean_ctor_get(x_192, 1);
 lean_inc(x_195);
-lean_dec(x_194);
-x_196 = lean_st_ref_take(x_3, x_195);
-x_197 = lean_ctor_get(x_196, 0);
-lean_inc(x_197);
-x_198 = lean_ctor_get(x_197, 1);
-lean_inc(x_198);
-x_199 = lean_ctor_get(x_196, 1);
-lean_inc(x_199);
-lean_dec(x_196);
-x_200 = !lean_is_exclusive(x_197);
-if (x_200 == 0)
+lean_dec(x_192);
+x_196 = !lean_is_exclusive(x_193);
+if (x_196 == 0)
 {
-lean_object* x_201; uint8_t x_202; 
-x_201 = lean_ctor_get(x_197, 1);
-lean_dec(x_201);
-x_202 = !lean_is_exclusive(x_198);
+lean_object* x_197; uint8_t x_198; 
+x_197 = lean_ctor_get(x_193, 1);
+lean_dec(x_197);
+x_198 = !lean_is_exclusive(x_194);
+if (x_198 == 0)
+{
+lean_object* x_199; lean_object* x_200; lean_object* x_201; uint8_t x_202; 
+x_199 = lean_ctor_get(x_194, 0);
+lean_inc(x_186);
+x_200 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_199, x_1, x_186);
+lean_ctor_set(x_194, 0, x_200);
+x_201 = lean_st_ref_set(x_3, x_193, x_195);
+lean_dec(x_3);
+x_202 = !lean_is_exclusive(x_201);
 if (x_202 == 0)
 {
-lean_object* x_203; lean_object* x_204; lean_object* x_205; uint8_t x_206; 
-x_203 = lean_ctor_get(x_198, 0);
-lean_inc(x_190);
-x_204 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_203, x_1, x_190);
-lean_ctor_set(x_198, 0, x_204);
-x_205 = lean_st_ref_set(x_3, x_197, x_199);
-lean_dec(x_3);
-x_206 = !lean_is_exclusive(x_205);
-if (x_206 == 0)
+lean_object* x_203; 
+x_203 = lean_ctor_get(x_201, 0);
+lean_dec(x_203);
+lean_ctor_set(x_201, 0, x_186);
+return x_201;
+}
+else
 {
-lean_object* x_207; 
-x_207 = lean_ctor_get(x_205, 0);
-lean_dec(x_207);
-lean_ctor_set(x_205, 0, x_190);
+lean_object* x_204; lean_object* x_205; 
+x_204 = lean_ctor_get(x_201, 1);
+lean_inc(x_204);
+lean_dec(x_201);
+x_205 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_205, 0, x_186);
+lean_ctor_set(x_205, 1, x_204);
 return x_205;
 }
-else
-{
-lean_object* x_208; lean_object* x_209; 
-x_208 = lean_ctor_get(x_205, 1);
-lean_inc(x_208);
-lean_dec(x_205);
-x_209 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_209, 0, x_190);
-lean_ctor_set(x_209, 1, x_208);
-return x_209;
-}
 }
 else
 {
-lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; 
-x_210 = lean_ctor_get(x_198, 0);
-x_211 = lean_ctor_get(x_198, 1);
-x_212 = lean_ctor_get(x_198, 2);
-x_213 = lean_ctor_get(x_198, 3);
-x_214 = lean_ctor_get(x_198, 4);
-x_215 = lean_ctor_get(x_198, 5);
-x_216 = lean_ctor_get(x_198, 6);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
+lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; 
+x_206 = lean_ctor_get(x_194, 0);
+x_207 = lean_ctor_get(x_194, 1);
+x_208 = lean_ctor_get(x_194, 2);
+x_209 = lean_ctor_get(x_194, 3);
+x_210 = lean_ctor_get(x_194, 4);
+x_211 = lean_ctor_get(x_194, 5);
 lean_inc(x_211);
 lean_inc(x_210);
-lean_dec(x_198);
-lean_inc(x_190);
-x_217 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_210, x_1, x_190);
-x_218 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_218, 0, x_217);
-lean_ctor_set(x_218, 1, x_211);
-lean_ctor_set(x_218, 2, x_212);
-lean_ctor_set(x_218, 3, x_213);
-lean_ctor_set(x_218, 4, x_214);
-lean_ctor_set(x_218, 5, x_215);
-lean_ctor_set(x_218, 6, x_216);
-lean_ctor_set(x_197, 1, x_218);
-x_219 = lean_st_ref_set(x_3, x_197, x_199);
+lean_inc(x_209);
+lean_inc(x_208);
+lean_inc(x_207);
+lean_inc(x_206);
+lean_dec(x_194);
+lean_inc(x_186);
+x_212 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_206, x_1, x_186);
+x_213 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_213, 0, x_212);
+lean_ctor_set(x_213, 1, x_207);
+lean_ctor_set(x_213, 2, x_208);
+lean_ctor_set(x_213, 3, x_209);
+lean_ctor_set(x_213, 4, x_210);
+lean_ctor_set(x_213, 5, x_211);
+lean_ctor_set(x_193, 1, x_213);
+x_214 = lean_st_ref_set(x_3, x_193, x_195);
 lean_dec(x_3);
-x_220 = lean_ctor_get(x_219, 1);
-lean_inc(x_220);
-if (lean_is_exclusive(x_219)) {
- lean_ctor_release(x_219, 0);
- lean_ctor_release(x_219, 1);
- x_221 = x_219;
+x_215 = lean_ctor_get(x_214, 1);
+lean_inc(x_215);
+if (lean_is_exclusive(x_214)) {
+ lean_ctor_release(x_214, 0);
+ lean_ctor_release(x_214, 1);
+ x_216 = x_214;
 } else {
- lean_dec_ref(x_219);
- x_221 = lean_box(0);
+ lean_dec_ref(x_214);
+ x_216 = lean_box(0);
 }
-if (lean_is_scalar(x_221)) {
- x_222 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_216)) {
+ x_217 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_222 = x_221;
+ x_217 = x_216;
 }
-lean_ctor_set(x_222, 0, x_190);
-lean_ctor_set(x_222, 1, x_220);
-return x_222;
+lean_ctor_set(x_217, 0, x_186);
+lean_ctor_set(x_217, 1, x_215);
+return x_217;
 }
 }
 else
 {
-lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; lean_object* x_238; lean_object* x_239; lean_object* x_240; 
-x_223 = lean_ctor_get(x_197, 0);
-x_224 = lean_ctor_get(x_197, 2);
-x_225 = lean_ctor_get(x_197, 3);
-lean_inc(x_225);
-lean_inc(x_224);
+lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
+x_218 = lean_ctor_get(x_193, 0);
+x_219 = lean_ctor_get(x_193, 2);
+x_220 = lean_ctor_get(x_193, 3);
+lean_inc(x_220);
+lean_inc(x_219);
+lean_inc(x_218);
+lean_dec(x_193);
+x_221 = lean_ctor_get(x_194, 0);
+lean_inc(x_221);
+x_222 = lean_ctor_get(x_194, 1);
+lean_inc(x_222);
+x_223 = lean_ctor_get(x_194, 2);
 lean_inc(x_223);
-lean_dec(x_197);
-x_226 = lean_ctor_get(x_198, 0);
+x_224 = lean_ctor_get(x_194, 3);
+lean_inc(x_224);
+x_225 = lean_ctor_get(x_194, 4);
+lean_inc(x_225);
+x_226 = lean_ctor_get(x_194, 5);
 lean_inc(x_226);
-x_227 = lean_ctor_get(x_198, 1);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_198, 2);
-lean_inc(x_228);
-x_229 = lean_ctor_get(x_198, 3);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_198, 4);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_198, 5);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_198, 6);
-lean_inc(x_232);
-if (lean_is_exclusive(x_198)) {
- lean_ctor_release(x_198, 0);
- lean_ctor_release(x_198, 1);
- lean_ctor_release(x_198, 2);
- lean_ctor_release(x_198, 3);
- lean_ctor_release(x_198, 4);
- lean_ctor_release(x_198, 5);
- lean_ctor_release(x_198, 6);
- x_233 = x_198;
+if (lean_is_exclusive(x_194)) {
+ lean_ctor_release(x_194, 0);
+ lean_ctor_release(x_194, 1);
+ lean_ctor_release(x_194, 2);
+ lean_ctor_release(x_194, 3);
+ lean_ctor_release(x_194, 4);
+ lean_ctor_release(x_194, 5);
+ x_227 = x_194;
 } else {
- lean_dec_ref(x_198);
+ lean_dec_ref(x_194);
+ x_227 = lean_box(0);
+}
+lean_inc(x_186);
+x_228 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_221, x_1, x_186);
+if (lean_is_scalar(x_227)) {
+ x_229 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_229 = x_227;
+}
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_222);
+lean_ctor_set(x_229, 2, x_223);
+lean_ctor_set(x_229, 3, x_224);
+lean_ctor_set(x_229, 4, x_225);
+lean_ctor_set(x_229, 5, x_226);
+x_230 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_230, 0, x_218);
+lean_ctor_set(x_230, 1, x_229);
+lean_ctor_set(x_230, 2, x_219);
+lean_ctor_set(x_230, 3, x_220);
+x_231 = lean_st_ref_set(x_3, x_230, x_195);
+lean_dec(x_3);
+x_232 = lean_ctor_get(x_231, 1);
+lean_inc(x_232);
+if (lean_is_exclusive(x_231)) {
+ lean_ctor_release(x_231, 0);
+ lean_ctor_release(x_231, 1);
+ x_233 = x_231;
+} else {
+ lean_dec_ref(x_231);
  x_233 = lean_box(0);
 }
-lean_inc(x_190);
-x_234 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_226, x_1, x_190);
 if (lean_is_scalar(x_233)) {
- x_235 = lean_alloc_ctor(0, 7, 0);
+ x_234 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_235 = x_233;
+ x_234 = x_233;
 }
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_227);
-lean_ctor_set(x_235, 2, x_228);
-lean_ctor_set(x_235, 3, x_229);
-lean_ctor_set(x_235, 4, x_230);
-lean_ctor_set(x_235, 5, x_231);
-lean_ctor_set(x_235, 6, x_232);
-x_236 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_236, 0, x_223);
-lean_ctor_set(x_236, 1, x_235);
-lean_ctor_set(x_236, 2, x_224);
-lean_ctor_set(x_236, 3, x_225);
-x_237 = lean_st_ref_set(x_3, x_236, x_199);
-lean_dec(x_3);
-x_238 = lean_ctor_get(x_237, 1);
-lean_inc(x_238);
-if (lean_is_exclusive(x_237)) {
- lean_ctor_release(x_237, 0);
- lean_ctor_release(x_237, 1);
- x_239 = x_237;
-} else {
- lean_dec_ref(x_237);
- x_239 = lean_box(0);
-}
-if (lean_is_scalar(x_239)) {
- x_240 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_240 = x_239;
-}
-lean_ctor_set(x_240, 0, x_190);
-lean_ctor_set(x_240, 1, x_238);
-return x_240;
+lean_ctor_set(x_234, 0, x_186);
+lean_ctor_set(x_234, 1, x_232);
+return x_234;
 }
 }
 else
@@ -8164,7 +8121,7 @@ else
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-return x_188;
+return x_184;
 }
 }
 else
@@ -8172,646 +8129,631 @@ else
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-return x_188;
+return x_184;
 }
 }
 else
 {
-lean_object* x_241; lean_object* x_242; uint8_t x_243; 
-x_241 = lean_ctor_get(x_188, 0);
-x_242 = lean_ctor_get(x_188, 1);
+lean_object* x_235; lean_object* x_236; uint8_t x_237; 
+x_235 = lean_ctor_get(x_184, 0);
+x_236 = lean_ctor_get(x_184, 1);
+lean_inc(x_236);
+lean_inc(x_235);
+lean_dec(x_184);
+x_237 = l_Lean_Expr_hasMVar(x_1);
+if (x_237 == 0)
+{
+uint8_t x_238; 
+x_238 = l_Lean_Expr_hasMVar(x_235);
+if (x_238 == 0)
+{
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; 
+x_239 = lean_st_ref_get(x_5, x_236);
+lean_dec(x_5);
+x_240 = lean_ctor_get(x_239, 1);
+lean_inc(x_240);
+lean_dec(x_239);
+x_241 = lean_st_ref_take(x_3, x_240);
+x_242 = lean_ctor_get(x_241, 0);
 lean_inc(x_242);
-lean_inc(x_241);
-lean_dec(x_188);
-x_243 = l_Lean_Expr_hasMVar(x_1);
-if (x_243 == 0)
-{
-uint8_t x_244; 
-x_244 = l_Lean_Expr_hasMVar(x_241);
-if (x_244 == 0)
-{
-lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; 
-x_245 = lean_st_ref_get(x_5, x_242);
-lean_dec(x_5);
-x_246 = lean_ctor_get(x_245, 1);
+x_243 = lean_ctor_get(x_242, 1);
+lean_inc(x_243);
+x_244 = lean_ctor_get(x_241, 1);
+lean_inc(x_244);
+lean_dec(x_241);
+x_245 = lean_ctor_get(x_242, 0);
+lean_inc(x_245);
+x_246 = lean_ctor_get(x_242, 2);
 lean_inc(x_246);
-lean_dec(x_245);
-x_247 = lean_st_ref_take(x_3, x_246);
-x_248 = lean_ctor_get(x_247, 0);
-lean_inc(x_248);
-x_249 = lean_ctor_get(x_248, 1);
+x_247 = lean_ctor_get(x_242, 3);
+lean_inc(x_247);
+if (lean_is_exclusive(x_242)) {
+ lean_ctor_release(x_242, 0);
+ lean_ctor_release(x_242, 1);
+ lean_ctor_release(x_242, 2);
+ lean_ctor_release(x_242, 3);
+ x_248 = x_242;
+} else {
+ lean_dec_ref(x_242);
+ x_248 = lean_box(0);
+}
+x_249 = lean_ctor_get(x_243, 0);
 lean_inc(x_249);
-x_250 = lean_ctor_get(x_247, 1);
+x_250 = lean_ctor_get(x_243, 1);
 lean_inc(x_250);
-lean_dec(x_247);
-x_251 = lean_ctor_get(x_248, 0);
+x_251 = lean_ctor_get(x_243, 2);
 lean_inc(x_251);
-x_252 = lean_ctor_get(x_248, 2);
+x_252 = lean_ctor_get(x_243, 3);
 lean_inc(x_252);
-x_253 = lean_ctor_get(x_248, 3);
+x_253 = lean_ctor_get(x_243, 4);
 lean_inc(x_253);
-if (lean_is_exclusive(x_248)) {
- lean_ctor_release(x_248, 0);
- lean_ctor_release(x_248, 1);
- lean_ctor_release(x_248, 2);
- lean_ctor_release(x_248, 3);
- x_254 = x_248;
+x_254 = lean_ctor_get(x_243, 5);
+lean_inc(x_254);
+if (lean_is_exclusive(x_243)) {
+ lean_ctor_release(x_243, 0);
+ lean_ctor_release(x_243, 1);
+ lean_ctor_release(x_243, 2);
+ lean_ctor_release(x_243, 3);
+ lean_ctor_release(x_243, 4);
+ lean_ctor_release(x_243, 5);
+ x_255 = x_243;
 } else {
- lean_dec_ref(x_248);
- x_254 = lean_box(0);
+ lean_dec_ref(x_243);
+ x_255 = lean_box(0);
 }
-x_255 = lean_ctor_get(x_249, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_249, 1);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_249, 2);
-lean_inc(x_257);
-x_258 = lean_ctor_get(x_249, 3);
-lean_inc(x_258);
-x_259 = lean_ctor_get(x_249, 4);
-lean_inc(x_259);
-x_260 = lean_ctor_get(x_249, 5);
+lean_inc(x_235);
+x_256 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_249, x_1, x_235);
+if (lean_is_scalar(x_255)) {
+ x_257 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_257 = x_255;
+}
+lean_ctor_set(x_257, 0, x_256);
+lean_ctor_set(x_257, 1, x_250);
+lean_ctor_set(x_257, 2, x_251);
+lean_ctor_set(x_257, 3, x_252);
+lean_ctor_set(x_257, 4, x_253);
+lean_ctor_set(x_257, 5, x_254);
+if (lean_is_scalar(x_248)) {
+ x_258 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_258 = x_248;
+}
+lean_ctor_set(x_258, 0, x_245);
+lean_ctor_set(x_258, 1, x_257);
+lean_ctor_set(x_258, 2, x_246);
+lean_ctor_set(x_258, 3, x_247);
+x_259 = lean_st_ref_set(x_3, x_258, x_244);
+lean_dec(x_3);
+x_260 = lean_ctor_get(x_259, 1);
 lean_inc(x_260);
-x_261 = lean_ctor_get(x_249, 6);
-lean_inc(x_261);
-if (lean_is_exclusive(x_249)) {
- lean_ctor_release(x_249, 0);
- lean_ctor_release(x_249, 1);
- lean_ctor_release(x_249, 2);
- lean_ctor_release(x_249, 3);
- lean_ctor_release(x_249, 4);
- lean_ctor_release(x_249, 5);
- lean_ctor_release(x_249, 6);
- x_262 = x_249;
+if (lean_is_exclusive(x_259)) {
+ lean_ctor_release(x_259, 0);
+ lean_ctor_release(x_259, 1);
+ x_261 = x_259;
 } else {
- lean_dec_ref(x_249);
- x_262 = lean_box(0);
+ lean_dec_ref(x_259);
+ x_261 = lean_box(0);
 }
-lean_inc(x_241);
-x_263 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_255, x_1, x_241);
-if (lean_is_scalar(x_262)) {
- x_264 = lean_alloc_ctor(0, 7, 0);
+if (lean_is_scalar(x_261)) {
+ x_262 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_264 = x_262;
+ x_262 = x_261;
 }
-lean_ctor_set(x_264, 0, x_263);
-lean_ctor_set(x_264, 1, x_256);
-lean_ctor_set(x_264, 2, x_257);
-lean_ctor_set(x_264, 3, x_258);
-lean_ctor_set(x_264, 4, x_259);
-lean_ctor_set(x_264, 5, x_260);
-lean_ctor_set(x_264, 6, x_261);
-if (lean_is_scalar(x_254)) {
- x_265 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_265 = x_254;
+lean_ctor_set(x_262, 0, x_235);
+lean_ctor_set(x_262, 1, x_260);
+return x_262;
 }
-lean_ctor_set(x_265, 0, x_251);
-lean_ctor_set(x_265, 1, x_264);
-lean_ctor_set(x_265, 2, x_252);
-lean_ctor_set(x_265, 3, x_253);
-x_266 = lean_st_ref_set(x_3, x_265, x_250);
+else
+{
+lean_object* x_263; 
+lean_dec(x_5);
 lean_dec(x_3);
-x_267 = lean_ctor_get(x_266, 1);
+lean_dec(x_1);
+x_263 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_263, 0, x_235);
+lean_ctor_set(x_263, 1, x_236);
+return x_263;
+}
+}
+else
+{
+lean_object* x_264; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_264 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_264, 0, x_235);
+lean_ctor_set(x_264, 1, x_236);
+return x_264;
+}
+}
+}
+else
+{
+uint8_t x_265; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_265 = !lean_is_exclusive(x_184);
+if (x_265 == 0)
+{
+return x_184;
+}
+else
+{
+lean_object* x_266; lean_object* x_267; lean_object* x_268; 
+x_266 = lean_ctor_get(x_184, 0);
+x_267 = lean_ctor_get(x_184, 1);
 lean_inc(x_267);
-if (lean_is_exclusive(x_266)) {
- lean_ctor_release(x_266, 0);
- lean_ctor_release(x_266, 1);
- x_268 = x_266;
-} else {
- lean_dec_ref(x_266);
- x_268 = lean_box(0);
-}
-if (lean_is_scalar(x_268)) {
- x_269 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_269 = x_268;
-}
-lean_ctor_set(x_269, 0, x_241);
-lean_ctor_set(x_269, 1, x_267);
-return x_269;
-}
-else
-{
-lean_object* x_270; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_270 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_270, 0, x_241);
-lean_ctor_set(x_270, 1, x_242);
-return x_270;
-}
-}
-else
-{
-lean_object* x_271; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_271 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_271, 0, x_241);
-lean_ctor_set(x_271, 1, x_242);
-return x_271;
+lean_inc(x_266);
+lean_dec(x_184);
+x_268 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_268, 0, x_266);
+lean_ctor_set(x_268, 1, x_267);
+return x_268;
 }
 }
 }
 else
 {
-uint8_t x_272; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_272 = !lean_is_exclusive(x_188);
-if (x_272 == 0)
-{
-return x_188;
-}
-else
-{
-lean_object* x_273; lean_object* x_274; lean_object* x_275; 
-x_273 = lean_ctor_get(x_188, 0);
-x_274 = lean_ctor_get(x_188, 1);
-lean_inc(x_274);
-lean_inc(x_273);
-lean_dec(x_188);
-x_275 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_275, 0, x_273);
-lean_ctor_set(x_275, 1, x_274);
-return x_275;
-}
-}
-}
-else
-{
-lean_object* x_276; 
-lean_dec(x_178);
-lean_dec(x_171);
+lean_object* x_269; 
+lean_dec(x_174);
+lean_dec(x_167);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_276 = lean_ctor_get(x_187, 0);
-lean_inc(x_276);
-lean_dec(x_187);
-lean_ctor_set(x_181, 0, x_276);
-return x_181;
+x_269 = lean_ctor_get(x_183, 0);
+lean_inc(x_269);
+lean_dec(x_183);
+lean_ctor_set(x_177, 0, x_269);
+return x_177;
 }
 }
 else
 {
-lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; 
-x_277 = lean_ctor_get(x_181, 0);
-x_278 = lean_ctor_get(x_181, 1);
-lean_inc(x_278);
-lean_inc(x_277);
-lean_dec(x_181);
-x_279 = lean_ctor_get(x_277, 1);
-lean_inc(x_279);
-lean_dec(x_277);
-x_280 = lean_ctor_get(x_279, 0);
-lean_inc(x_280);
-lean_dec(x_279);
+lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_273; lean_object* x_274; 
+x_270 = lean_ctor_get(x_177, 0);
+x_271 = lean_ctor_get(x_177, 1);
+lean_inc(x_271);
+lean_inc(x_270);
+lean_dec(x_177);
+x_272 = lean_ctor_get(x_270, 1);
+lean_inc(x_272);
+lean_dec(x_270);
+x_273 = lean_ctor_get(x_272, 0);
+lean_inc(x_273);
+lean_dec(x_272);
 lean_inc(x_1);
-x_281 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_280, x_1);
-if (lean_obj_tag(x_281) == 0)
+x_274 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_273, x_1);
+if (lean_obj_tag(x_274) == 0)
 {
-lean_object* x_282; 
+lean_object* x_275; 
 lean_inc(x_5);
 lean_inc(x_3);
-x_282 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferAppType(x_171, x_178, x_2, x_3, x_4, x_5, x_278);
-lean_dec(x_178);
-if (lean_obj_tag(x_282) == 0)
+x_275 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferAppType(x_167, x_174, x_2, x_3, x_4, x_5, x_271);
+lean_dec(x_174);
+if (lean_obj_tag(x_275) == 0)
 {
-lean_object* x_283; lean_object* x_284; lean_object* x_285; uint8_t x_286; 
-x_283 = lean_ctor_get(x_282, 0);
-lean_inc(x_283);
-x_284 = lean_ctor_get(x_282, 1);
-lean_inc(x_284);
-if (lean_is_exclusive(x_282)) {
- lean_ctor_release(x_282, 0);
- lean_ctor_release(x_282, 1);
- x_285 = x_282;
+lean_object* x_276; lean_object* x_277; lean_object* x_278; uint8_t x_279; 
+x_276 = lean_ctor_get(x_275, 0);
+lean_inc(x_276);
+x_277 = lean_ctor_get(x_275, 1);
+lean_inc(x_277);
+if (lean_is_exclusive(x_275)) {
+ lean_ctor_release(x_275, 0);
+ lean_ctor_release(x_275, 1);
+ x_278 = x_275;
 } else {
- lean_dec_ref(x_282);
- x_285 = lean_box(0);
+ lean_dec_ref(x_275);
+ x_278 = lean_box(0);
 }
-x_286 = l_Lean_Expr_hasMVar(x_1);
-if (x_286 == 0)
+x_279 = l_Lean_Expr_hasMVar(x_1);
+if (x_279 == 0)
 {
-uint8_t x_287; 
-x_287 = l_Lean_Expr_hasMVar(x_283);
-if (x_287 == 0)
+uint8_t x_280; 
+x_280 = l_Lean_Expr_hasMVar(x_276);
+if (x_280 == 0)
 {
-lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; 
-lean_dec(x_285);
-x_288 = lean_st_ref_get(x_5, x_284);
+lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; lean_object* x_300; lean_object* x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; 
+lean_dec(x_278);
+x_281 = lean_st_ref_get(x_5, x_277);
 lean_dec(x_5);
-x_289 = lean_ctor_get(x_288, 1);
+x_282 = lean_ctor_get(x_281, 1);
+lean_inc(x_282);
+lean_dec(x_281);
+x_283 = lean_st_ref_take(x_3, x_282);
+x_284 = lean_ctor_get(x_283, 0);
+lean_inc(x_284);
+x_285 = lean_ctor_get(x_284, 1);
+lean_inc(x_285);
+x_286 = lean_ctor_get(x_283, 1);
+lean_inc(x_286);
+lean_dec(x_283);
+x_287 = lean_ctor_get(x_284, 0);
+lean_inc(x_287);
+x_288 = lean_ctor_get(x_284, 2);
+lean_inc(x_288);
+x_289 = lean_ctor_get(x_284, 3);
 lean_inc(x_289);
-lean_dec(x_288);
-x_290 = lean_st_ref_take(x_3, x_289);
-x_291 = lean_ctor_get(x_290, 0);
-lean_inc(x_291);
-x_292 = lean_ctor_get(x_291, 1);
-lean_inc(x_292);
-x_293 = lean_ctor_get(x_290, 1);
-lean_inc(x_293);
-lean_dec(x_290);
-x_294 = lean_ctor_get(x_291, 0);
-lean_inc(x_294);
-x_295 = lean_ctor_get(x_291, 2);
-lean_inc(x_295);
-x_296 = lean_ctor_get(x_291, 3);
-lean_inc(x_296);
-if (lean_is_exclusive(x_291)) {
- lean_ctor_release(x_291, 0);
- lean_ctor_release(x_291, 1);
- lean_ctor_release(x_291, 2);
- lean_ctor_release(x_291, 3);
- x_297 = x_291;
+if (lean_is_exclusive(x_284)) {
+ lean_ctor_release(x_284, 0);
+ lean_ctor_release(x_284, 1);
+ lean_ctor_release(x_284, 2);
+ lean_ctor_release(x_284, 3);
+ x_290 = x_284;
 } else {
- lean_dec_ref(x_291);
+ lean_dec_ref(x_284);
+ x_290 = lean_box(0);
+}
+x_291 = lean_ctor_get(x_285, 0);
+lean_inc(x_291);
+x_292 = lean_ctor_get(x_285, 1);
+lean_inc(x_292);
+x_293 = lean_ctor_get(x_285, 2);
+lean_inc(x_293);
+x_294 = lean_ctor_get(x_285, 3);
+lean_inc(x_294);
+x_295 = lean_ctor_get(x_285, 4);
+lean_inc(x_295);
+x_296 = lean_ctor_get(x_285, 5);
+lean_inc(x_296);
+if (lean_is_exclusive(x_285)) {
+ lean_ctor_release(x_285, 0);
+ lean_ctor_release(x_285, 1);
+ lean_ctor_release(x_285, 2);
+ lean_ctor_release(x_285, 3);
+ lean_ctor_release(x_285, 4);
+ lean_ctor_release(x_285, 5);
+ x_297 = x_285;
+} else {
+ lean_dec_ref(x_285);
  x_297 = lean_box(0);
 }
-x_298 = lean_ctor_get(x_292, 0);
-lean_inc(x_298);
-x_299 = lean_ctor_get(x_292, 1);
-lean_inc(x_299);
-x_300 = lean_ctor_get(x_292, 2);
-lean_inc(x_300);
-x_301 = lean_ctor_get(x_292, 3);
-lean_inc(x_301);
-x_302 = lean_ctor_get(x_292, 4);
-lean_inc(x_302);
-x_303 = lean_ctor_get(x_292, 5);
-lean_inc(x_303);
-x_304 = lean_ctor_get(x_292, 6);
-lean_inc(x_304);
-if (lean_is_exclusive(x_292)) {
- lean_ctor_release(x_292, 0);
- lean_ctor_release(x_292, 1);
- lean_ctor_release(x_292, 2);
- lean_ctor_release(x_292, 3);
- lean_ctor_release(x_292, 4);
- lean_ctor_release(x_292, 5);
- lean_ctor_release(x_292, 6);
- x_305 = x_292;
-} else {
- lean_dec_ref(x_292);
- x_305 = lean_box(0);
-}
-lean_inc(x_283);
-x_306 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_298, x_1, x_283);
-if (lean_is_scalar(x_305)) {
- x_307 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_307 = x_305;
-}
-lean_ctor_set(x_307, 0, x_306);
-lean_ctor_set(x_307, 1, x_299);
-lean_ctor_set(x_307, 2, x_300);
-lean_ctor_set(x_307, 3, x_301);
-lean_ctor_set(x_307, 4, x_302);
-lean_ctor_set(x_307, 5, x_303);
-lean_ctor_set(x_307, 6, x_304);
+lean_inc(x_276);
+x_298 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_291, x_1, x_276);
 if (lean_is_scalar(x_297)) {
- x_308 = lean_alloc_ctor(0, 4, 0);
+ x_299 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_308 = x_297;
+ x_299 = x_297;
 }
-lean_ctor_set(x_308, 0, x_294);
-lean_ctor_set(x_308, 1, x_307);
-lean_ctor_set(x_308, 2, x_295);
-lean_ctor_set(x_308, 3, x_296);
-x_309 = lean_st_ref_set(x_3, x_308, x_293);
+lean_ctor_set(x_299, 0, x_298);
+lean_ctor_set(x_299, 1, x_292);
+lean_ctor_set(x_299, 2, x_293);
+lean_ctor_set(x_299, 3, x_294);
+lean_ctor_set(x_299, 4, x_295);
+lean_ctor_set(x_299, 5, x_296);
+if (lean_is_scalar(x_290)) {
+ x_300 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_300 = x_290;
+}
+lean_ctor_set(x_300, 0, x_287);
+lean_ctor_set(x_300, 1, x_299);
+lean_ctor_set(x_300, 2, x_288);
+lean_ctor_set(x_300, 3, x_289);
+x_301 = lean_st_ref_set(x_3, x_300, x_286);
 lean_dec(x_3);
-x_310 = lean_ctor_get(x_309, 1);
-lean_inc(x_310);
-if (lean_is_exclusive(x_309)) {
- lean_ctor_release(x_309, 0);
- lean_ctor_release(x_309, 1);
- x_311 = x_309;
+x_302 = lean_ctor_get(x_301, 1);
+lean_inc(x_302);
+if (lean_is_exclusive(x_301)) {
+ lean_ctor_release(x_301, 0);
+ lean_ctor_release(x_301, 1);
+ x_303 = x_301;
 } else {
- lean_dec_ref(x_309);
- x_311 = lean_box(0);
+ lean_dec_ref(x_301);
+ x_303 = lean_box(0);
 }
-if (lean_is_scalar(x_311)) {
- x_312 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_303)) {
+ x_304 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_312 = x_311;
+ x_304 = x_303;
 }
-lean_ctor_set(x_312, 0, x_283);
-lean_ctor_set(x_312, 1, x_310);
-return x_312;
+lean_ctor_set(x_304, 0, x_276);
+lean_ctor_set(x_304, 1, x_302);
+return x_304;
 }
 else
 {
-lean_object* x_313; 
+lean_object* x_305; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_285)) {
- x_313 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_278)) {
+ x_305 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_313 = x_285;
+ x_305 = x_278;
 }
-lean_ctor_set(x_313, 0, x_283);
-lean_ctor_set(x_313, 1, x_284);
-return x_313;
+lean_ctor_set(x_305, 0, x_276);
+lean_ctor_set(x_305, 1, x_277);
+return x_305;
 }
 }
 else
 {
-lean_object* x_314; 
+lean_object* x_306; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_285)) {
- x_314 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_278)) {
+ x_306 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_314 = x_285;
+ x_306 = x_278;
 }
-lean_ctor_set(x_314, 0, x_283);
-lean_ctor_set(x_314, 1, x_284);
-return x_314;
+lean_ctor_set(x_306, 0, x_276);
+lean_ctor_set(x_306, 1, x_277);
+return x_306;
 }
 }
 else
 {
-lean_object* x_315; lean_object* x_316; lean_object* x_317; lean_object* x_318; 
+lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_315 = lean_ctor_get(x_282, 0);
-lean_inc(x_315);
-x_316 = lean_ctor_get(x_282, 1);
-lean_inc(x_316);
-if (lean_is_exclusive(x_282)) {
- lean_ctor_release(x_282, 0);
- lean_ctor_release(x_282, 1);
- x_317 = x_282;
+x_307 = lean_ctor_get(x_275, 0);
+lean_inc(x_307);
+x_308 = lean_ctor_get(x_275, 1);
+lean_inc(x_308);
+if (lean_is_exclusive(x_275)) {
+ lean_ctor_release(x_275, 0);
+ lean_ctor_release(x_275, 1);
+ x_309 = x_275;
 } else {
- lean_dec_ref(x_282);
- x_317 = lean_box(0);
+ lean_dec_ref(x_275);
+ x_309 = lean_box(0);
 }
-if (lean_is_scalar(x_317)) {
- x_318 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_309)) {
+ x_310 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_318 = x_317;
+ x_310 = x_309;
 }
-lean_ctor_set(x_318, 0, x_315);
-lean_ctor_set(x_318, 1, x_316);
-return x_318;
+lean_ctor_set(x_310, 0, x_307);
+lean_ctor_set(x_310, 1, x_308);
+return x_310;
 }
 }
 else
 {
-lean_object* x_319; lean_object* x_320; 
-lean_dec(x_178);
-lean_dec(x_171);
+lean_object* x_311; lean_object* x_312; 
+lean_dec(x_174);
+lean_dec(x_167);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_319 = lean_ctor_get(x_281, 0);
-lean_inc(x_319);
-lean_dec(x_281);
-x_320 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_320, 0, x_319);
-lean_ctor_set(x_320, 1, x_278);
-return x_320;
+x_311 = lean_ctor_get(x_274, 0);
+lean_inc(x_311);
+lean_dec(x_274);
+x_312 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_312, 0, x_311);
+lean_ctor_set(x_312, 1, x_271);
+return x_312;
 }
 }
 }
 case 7:
 {
-lean_object* x_321; lean_object* x_322; lean_object* x_323; uint8_t x_324; 
-x_321 = lean_st_ref_get(x_5, x_6);
-x_322 = lean_ctor_get(x_321, 1);
-lean_inc(x_322);
-lean_dec(x_321);
-x_323 = lean_st_ref_get(x_3, x_322);
-x_324 = !lean_is_exclusive(x_323);
-if (x_324 == 0)
+lean_object* x_313; lean_object* x_314; lean_object* x_315; uint8_t x_316; 
+x_313 = lean_st_ref_get(x_5, x_6);
+x_314 = lean_ctor_get(x_313, 1);
+lean_inc(x_314);
+lean_dec(x_313);
+x_315 = lean_st_ref_get(x_3, x_314);
+x_316 = !lean_is_exclusive(x_315);
+if (x_316 == 0)
 {
-lean_object* x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; 
-x_325 = lean_ctor_get(x_323, 0);
-x_326 = lean_ctor_get(x_323, 1);
-x_327 = lean_ctor_get(x_325, 1);
-lean_inc(x_327);
-lean_dec(x_325);
-x_328 = lean_ctor_get(x_327, 0);
-lean_inc(x_328);
-lean_dec(x_327);
+lean_object* x_317; lean_object* x_318; lean_object* x_319; lean_object* x_320; lean_object* x_321; 
+x_317 = lean_ctor_get(x_315, 0);
+x_318 = lean_ctor_get(x_315, 1);
+x_319 = lean_ctor_get(x_317, 1);
+lean_inc(x_319);
+lean_dec(x_317);
+x_320 = lean_ctor_get(x_319, 0);
+lean_inc(x_320);
+lean_dec(x_319);
 lean_inc(x_1);
-x_329 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_328, x_1);
-if (lean_obj_tag(x_329) == 0)
+x_321 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_320, x_1);
+if (lean_obj_tag(x_321) == 0)
 {
-lean_object* x_330; lean_object* x_331; 
-lean_free_object(x_323);
-x_330 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___closed__1;
+lean_object* x_322; lean_object* x_323; 
+lean_free_object(x_315);
+x_322 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___closed__1;
 lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_1);
-x_331 = l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(x_1, x_330, x_2, x_3, x_4, x_5, x_326);
-if (lean_obj_tag(x_331) == 0)
+x_323 = l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(x_1, x_322, x_2, x_3, x_4, x_5, x_318);
+if (lean_obj_tag(x_323) == 0)
 {
-uint8_t x_332; 
-x_332 = !lean_is_exclusive(x_331);
-if (x_332 == 0)
+uint8_t x_324; 
+x_324 = !lean_is_exclusive(x_323);
+if (x_324 == 0)
 {
-lean_object* x_333; lean_object* x_334; uint8_t x_335; 
-x_333 = lean_ctor_get(x_331, 0);
+lean_object* x_325; lean_object* x_326; uint8_t x_327; 
+x_325 = lean_ctor_get(x_323, 0);
+x_326 = lean_ctor_get(x_323, 1);
+x_327 = l_Lean_Expr_hasMVar(x_1);
+if (x_327 == 0)
+{
+uint8_t x_328; 
+x_328 = l_Lean_Expr_hasMVar(x_325);
+if (x_328 == 0)
+{
+lean_object* x_329; lean_object* x_330; lean_object* x_331; lean_object* x_332; lean_object* x_333; lean_object* x_334; uint8_t x_335; 
+lean_free_object(x_323);
+x_329 = lean_st_ref_get(x_5, x_326);
+lean_dec(x_5);
+x_330 = lean_ctor_get(x_329, 1);
+lean_inc(x_330);
+lean_dec(x_329);
+x_331 = lean_st_ref_take(x_3, x_330);
+x_332 = lean_ctor_get(x_331, 0);
+lean_inc(x_332);
+x_333 = lean_ctor_get(x_332, 1);
+lean_inc(x_333);
 x_334 = lean_ctor_get(x_331, 1);
-x_335 = l_Lean_Expr_hasMVar(x_1);
+lean_inc(x_334);
+lean_dec(x_331);
+x_335 = !lean_is_exclusive(x_332);
 if (x_335 == 0)
 {
-uint8_t x_336; 
-x_336 = l_Lean_Expr_hasMVar(x_333);
-if (x_336 == 0)
+lean_object* x_336; uint8_t x_337; 
+x_336 = lean_ctor_get(x_332, 1);
+lean_dec(x_336);
+x_337 = !lean_is_exclusive(x_333);
+if (x_337 == 0)
 {
-lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; uint8_t x_343; 
-lean_free_object(x_331);
-x_337 = lean_st_ref_get(x_5, x_334);
-lean_dec(x_5);
-x_338 = lean_ctor_get(x_337, 1);
-lean_inc(x_338);
-lean_dec(x_337);
-x_339 = lean_st_ref_take(x_3, x_338);
-x_340 = lean_ctor_get(x_339, 0);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_340, 1);
-lean_inc(x_341);
-x_342 = lean_ctor_get(x_339, 1);
-lean_inc(x_342);
-lean_dec(x_339);
-x_343 = !lean_is_exclusive(x_340);
-if (x_343 == 0)
-{
-lean_object* x_344; uint8_t x_345; 
-x_344 = lean_ctor_get(x_340, 1);
-lean_dec(x_344);
-x_345 = !lean_is_exclusive(x_341);
-if (x_345 == 0)
-{
-lean_object* x_346; lean_object* x_347; lean_object* x_348; uint8_t x_349; 
-x_346 = lean_ctor_get(x_341, 0);
-lean_inc(x_333);
-x_347 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_346, x_1, x_333);
-lean_ctor_set(x_341, 0, x_347);
-x_348 = lean_st_ref_set(x_3, x_340, x_342);
+lean_object* x_338; lean_object* x_339; lean_object* x_340; uint8_t x_341; 
+x_338 = lean_ctor_get(x_333, 0);
+lean_inc(x_325);
+x_339 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_338, x_1, x_325);
+lean_ctor_set(x_333, 0, x_339);
+x_340 = lean_st_ref_set(x_3, x_332, x_334);
 lean_dec(x_3);
-x_349 = !lean_is_exclusive(x_348);
-if (x_349 == 0)
+x_341 = !lean_is_exclusive(x_340);
+if (x_341 == 0)
 {
-lean_object* x_350; 
-x_350 = lean_ctor_get(x_348, 0);
-lean_dec(x_350);
-lean_ctor_set(x_348, 0, x_333);
-return x_348;
+lean_object* x_342; 
+x_342 = lean_ctor_get(x_340, 0);
+lean_dec(x_342);
+lean_ctor_set(x_340, 0, x_325);
+return x_340;
 }
 else
 {
-lean_object* x_351; lean_object* x_352; 
-x_351 = lean_ctor_get(x_348, 1);
-lean_inc(x_351);
-lean_dec(x_348);
-x_352 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_352, 0, x_333);
-lean_ctor_set(x_352, 1, x_351);
-return x_352;
+lean_object* x_343; lean_object* x_344; 
+x_343 = lean_ctor_get(x_340, 1);
+lean_inc(x_343);
+lean_dec(x_340);
+x_344 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_344, 0, x_325);
+lean_ctor_set(x_344, 1, x_343);
+return x_344;
 }
 }
 else
 {
-lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; 
-x_353 = lean_ctor_get(x_341, 0);
-x_354 = lean_ctor_get(x_341, 1);
-x_355 = lean_ctor_get(x_341, 2);
-x_356 = lean_ctor_get(x_341, 3);
-x_357 = lean_ctor_get(x_341, 4);
-x_358 = lean_ctor_get(x_341, 5);
-x_359 = lean_ctor_get(x_341, 6);
+lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; 
+x_345 = lean_ctor_get(x_333, 0);
+x_346 = lean_ctor_get(x_333, 1);
+x_347 = lean_ctor_get(x_333, 2);
+x_348 = lean_ctor_get(x_333, 3);
+x_349 = lean_ctor_get(x_333, 4);
+x_350 = lean_ctor_get(x_333, 5);
+lean_inc(x_350);
+lean_inc(x_349);
+lean_inc(x_348);
+lean_inc(x_347);
+lean_inc(x_346);
+lean_inc(x_345);
+lean_dec(x_333);
+lean_inc(x_325);
+x_351 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_345, x_1, x_325);
+x_352 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_352, 0, x_351);
+lean_ctor_set(x_352, 1, x_346);
+lean_ctor_set(x_352, 2, x_347);
+lean_ctor_set(x_352, 3, x_348);
+lean_ctor_set(x_352, 4, x_349);
+lean_ctor_set(x_352, 5, x_350);
+lean_ctor_set(x_332, 1, x_352);
+x_353 = lean_st_ref_set(x_3, x_332, x_334);
+lean_dec(x_3);
+x_354 = lean_ctor_get(x_353, 1);
+lean_inc(x_354);
+if (lean_is_exclusive(x_353)) {
+ lean_ctor_release(x_353, 0);
+ lean_ctor_release(x_353, 1);
+ x_355 = x_353;
+} else {
+ lean_dec_ref(x_353);
+ x_355 = lean_box(0);
+}
+if (lean_is_scalar(x_355)) {
+ x_356 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_356 = x_355;
+}
+lean_ctor_set(x_356, 0, x_325);
+lean_ctor_set(x_356, 1, x_354);
+return x_356;
+}
+}
+else
+{
+lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; lean_object* x_361; lean_object* x_362; lean_object* x_363; lean_object* x_364; lean_object* x_365; lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; 
+x_357 = lean_ctor_get(x_332, 0);
+x_358 = lean_ctor_get(x_332, 2);
+x_359 = lean_ctor_get(x_332, 3);
 lean_inc(x_359);
 lean_inc(x_358);
 lean_inc(x_357);
-lean_inc(x_356);
-lean_inc(x_355);
-lean_inc(x_354);
-lean_inc(x_353);
-lean_dec(x_341);
-lean_inc(x_333);
-x_360 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_353, x_1, x_333);
-x_361 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_361, 0, x_360);
-lean_ctor_set(x_361, 1, x_354);
-lean_ctor_set(x_361, 2, x_355);
-lean_ctor_set(x_361, 3, x_356);
-lean_ctor_set(x_361, 4, x_357);
-lean_ctor_set(x_361, 5, x_358);
-lean_ctor_set(x_361, 6, x_359);
-lean_ctor_set(x_340, 1, x_361);
-x_362 = lean_st_ref_set(x_3, x_340, x_342);
-lean_dec(x_3);
-x_363 = lean_ctor_get(x_362, 1);
+lean_dec(x_332);
+x_360 = lean_ctor_get(x_333, 0);
+lean_inc(x_360);
+x_361 = lean_ctor_get(x_333, 1);
+lean_inc(x_361);
+x_362 = lean_ctor_get(x_333, 2);
+lean_inc(x_362);
+x_363 = lean_ctor_get(x_333, 3);
 lean_inc(x_363);
-if (lean_is_exclusive(x_362)) {
- lean_ctor_release(x_362, 0);
- lean_ctor_release(x_362, 1);
- x_364 = x_362;
+x_364 = lean_ctor_get(x_333, 4);
+lean_inc(x_364);
+x_365 = lean_ctor_get(x_333, 5);
+lean_inc(x_365);
+if (lean_is_exclusive(x_333)) {
+ lean_ctor_release(x_333, 0);
+ lean_ctor_release(x_333, 1);
+ lean_ctor_release(x_333, 2);
+ lean_ctor_release(x_333, 3);
+ lean_ctor_release(x_333, 4);
+ lean_ctor_release(x_333, 5);
+ x_366 = x_333;
 } else {
- lean_dec_ref(x_362);
- x_364 = lean_box(0);
+ lean_dec_ref(x_333);
+ x_366 = lean_box(0);
 }
-if (lean_is_scalar(x_364)) {
- x_365 = lean_alloc_ctor(0, 2, 0);
+lean_inc(x_325);
+x_367 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_360, x_1, x_325);
+if (lean_is_scalar(x_366)) {
+ x_368 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_365 = x_364;
+ x_368 = x_366;
 }
-lean_ctor_set(x_365, 0, x_333);
-lean_ctor_set(x_365, 1, x_363);
-return x_365;
-}
-}
-else
-{
-lean_object* x_366; lean_object* x_367; lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; lean_object* x_373; lean_object* x_374; lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; 
-x_366 = lean_ctor_get(x_340, 0);
-x_367 = lean_ctor_get(x_340, 2);
-x_368 = lean_ctor_get(x_340, 3);
-lean_inc(x_368);
-lean_inc(x_367);
-lean_inc(x_366);
-lean_dec(x_340);
-x_369 = lean_ctor_get(x_341, 0);
-lean_inc(x_369);
-x_370 = lean_ctor_get(x_341, 1);
-lean_inc(x_370);
-x_371 = lean_ctor_get(x_341, 2);
+lean_ctor_set(x_368, 0, x_367);
+lean_ctor_set(x_368, 1, x_361);
+lean_ctor_set(x_368, 2, x_362);
+lean_ctor_set(x_368, 3, x_363);
+lean_ctor_set(x_368, 4, x_364);
+lean_ctor_set(x_368, 5, x_365);
+x_369 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_369, 0, x_357);
+lean_ctor_set(x_369, 1, x_368);
+lean_ctor_set(x_369, 2, x_358);
+lean_ctor_set(x_369, 3, x_359);
+x_370 = lean_st_ref_set(x_3, x_369, x_334);
+lean_dec(x_3);
+x_371 = lean_ctor_get(x_370, 1);
 lean_inc(x_371);
-x_372 = lean_ctor_get(x_341, 3);
-lean_inc(x_372);
-x_373 = lean_ctor_get(x_341, 4);
-lean_inc(x_373);
-x_374 = lean_ctor_get(x_341, 5);
-lean_inc(x_374);
-x_375 = lean_ctor_get(x_341, 6);
-lean_inc(x_375);
-if (lean_is_exclusive(x_341)) {
- lean_ctor_release(x_341, 0);
- lean_ctor_release(x_341, 1);
- lean_ctor_release(x_341, 2);
- lean_ctor_release(x_341, 3);
- lean_ctor_release(x_341, 4);
- lean_ctor_release(x_341, 5);
- lean_ctor_release(x_341, 6);
- x_376 = x_341;
+if (lean_is_exclusive(x_370)) {
+ lean_ctor_release(x_370, 0);
+ lean_ctor_release(x_370, 1);
+ x_372 = x_370;
 } else {
- lean_dec_ref(x_341);
- x_376 = lean_box(0);
+ lean_dec_ref(x_370);
+ x_372 = lean_box(0);
 }
-lean_inc(x_333);
-x_377 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_369, x_1, x_333);
-if (lean_is_scalar(x_376)) {
- x_378 = lean_alloc_ctor(0, 7, 0);
+if (lean_is_scalar(x_372)) {
+ x_373 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_378 = x_376;
+ x_373 = x_372;
 }
-lean_ctor_set(x_378, 0, x_377);
-lean_ctor_set(x_378, 1, x_370);
-lean_ctor_set(x_378, 2, x_371);
-lean_ctor_set(x_378, 3, x_372);
-lean_ctor_set(x_378, 4, x_373);
-lean_ctor_set(x_378, 5, x_374);
-lean_ctor_set(x_378, 6, x_375);
-x_379 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_379, 0, x_366);
-lean_ctor_set(x_379, 1, x_378);
-lean_ctor_set(x_379, 2, x_367);
-lean_ctor_set(x_379, 3, x_368);
-x_380 = lean_st_ref_set(x_3, x_379, x_342);
-lean_dec(x_3);
-x_381 = lean_ctor_get(x_380, 1);
-lean_inc(x_381);
-if (lean_is_exclusive(x_380)) {
- lean_ctor_release(x_380, 0);
- lean_ctor_release(x_380, 1);
- x_382 = x_380;
-} else {
- lean_dec_ref(x_380);
- x_382 = lean_box(0);
-}
-if (lean_is_scalar(x_382)) {
- x_383 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_383 = x_382;
-}
-lean_ctor_set(x_383, 0, x_333);
-lean_ctor_set(x_383, 1, x_381);
-return x_383;
+lean_ctor_set(x_373, 0, x_325);
+lean_ctor_set(x_373, 1, x_371);
+return x_373;
 }
 }
 else
@@ -8819,1240 +8761,1288 @@ else
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-return x_331;
-}
-}
-else
-{
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_331;
-}
-}
-else
-{
-lean_object* x_384; lean_object* x_385; uint8_t x_386; 
-x_384 = lean_ctor_get(x_331, 0);
-x_385 = lean_ctor_get(x_331, 1);
-lean_inc(x_385);
-lean_inc(x_384);
-lean_dec(x_331);
-x_386 = l_Lean_Expr_hasMVar(x_1);
-if (x_386 == 0)
-{
-uint8_t x_387; 
-x_387 = l_Lean_Expr_hasMVar(x_384);
-if (x_387 == 0)
-{
-lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; lean_object* x_402; lean_object* x_403; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; 
-x_388 = lean_st_ref_get(x_5, x_385);
-lean_dec(x_5);
-x_389 = lean_ctor_get(x_388, 1);
-lean_inc(x_389);
-lean_dec(x_388);
-x_390 = lean_st_ref_take(x_3, x_389);
-x_391 = lean_ctor_get(x_390, 0);
-lean_inc(x_391);
-x_392 = lean_ctor_get(x_391, 1);
-lean_inc(x_392);
-x_393 = lean_ctor_get(x_390, 1);
-lean_inc(x_393);
-lean_dec(x_390);
-x_394 = lean_ctor_get(x_391, 0);
-lean_inc(x_394);
-x_395 = lean_ctor_get(x_391, 2);
-lean_inc(x_395);
-x_396 = lean_ctor_get(x_391, 3);
-lean_inc(x_396);
-if (lean_is_exclusive(x_391)) {
- lean_ctor_release(x_391, 0);
- lean_ctor_release(x_391, 1);
- lean_ctor_release(x_391, 2);
- lean_ctor_release(x_391, 3);
- x_397 = x_391;
-} else {
- lean_dec_ref(x_391);
- x_397 = lean_box(0);
-}
-x_398 = lean_ctor_get(x_392, 0);
-lean_inc(x_398);
-x_399 = lean_ctor_get(x_392, 1);
-lean_inc(x_399);
-x_400 = lean_ctor_get(x_392, 2);
-lean_inc(x_400);
-x_401 = lean_ctor_get(x_392, 3);
-lean_inc(x_401);
-x_402 = lean_ctor_get(x_392, 4);
-lean_inc(x_402);
-x_403 = lean_ctor_get(x_392, 5);
-lean_inc(x_403);
-x_404 = lean_ctor_get(x_392, 6);
-lean_inc(x_404);
-if (lean_is_exclusive(x_392)) {
- lean_ctor_release(x_392, 0);
- lean_ctor_release(x_392, 1);
- lean_ctor_release(x_392, 2);
- lean_ctor_release(x_392, 3);
- lean_ctor_release(x_392, 4);
- lean_ctor_release(x_392, 5);
- lean_ctor_release(x_392, 6);
- x_405 = x_392;
-} else {
- lean_dec_ref(x_392);
- x_405 = lean_box(0);
-}
-lean_inc(x_384);
-x_406 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_398, x_1, x_384);
-if (lean_is_scalar(x_405)) {
- x_407 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_407 = x_405;
-}
-lean_ctor_set(x_407, 0, x_406);
-lean_ctor_set(x_407, 1, x_399);
-lean_ctor_set(x_407, 2, x_400);
-lean_ctor_set(x_407, 3, x_401);
-lean_ctor_set(x_407, 4, x_402);
-lean_ctor_set(x_407, 5, x_403);
-lean_ctor_set(x_407, 6, x_404);
-if (lean_is_scalar(x_397)) {
- x_408 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_408 = x_397;
-}
-lean_ctor_set(x_408, 0, x_394);
-lean_ctor_set(x_408, 1, x_407);
-lean_ctor_set(x_408, 2, x_395);
-lean_ctor_set(x_408, 3, x_396);
-x_409 = lean_st_ref_set(x_3, x_408, x_393);
-lean_dec(x_3);
-x_410 = lean_ctor_get(x_409, 1);
-lean_inc(x_410);
-if (lean_is_exclusive(x_409)) {
- lean_ctor_release(x_409, 0);
- lean_ctor_release(x_409, 1);
- x_411 = x_409;
-} else {
- lean_dec_ref(x_409);
- x_411 = lean_box(0);
-}
-if (lean_is_scalar(x_411)) {
- x_412 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_412 = x_411;
-}
-lean_ctor_set(x_412, 0, x_384);
-lean_ctor_set(x_412, 1, x_410);
-return x_412;
-}
-else
-{
-lean_object* x_413; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_413 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_413, 0, x_384);
-lean_ctor_set(x_413, 1, x_385);
-return x_413;
-}
-}
-else
-{
-lean_object* x_414; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_414 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_414, 0, x_384);
-lean_ctor_set(x_414, 1, x_385);
-return x_414;
-}
-}
-}
-else
-{
-uint8_t x_415; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_415 = !lean_is_exclusive(x_331);
-if (x_415 == 0)
-{
-return x_331;
-}
-else
-{
-lean_object* x_416; lean_object* x_417; lean_object* x_418; 
-x_416 = lean_ctor_get(x_331, 0);
-x_417 = lean_ctor_get(x_331, 1);
-lean_inc(x_417);
-lean_inc(x_416);
-lean_dec(x_331);
-x_418 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_418, 0, x_416);
-lean_ctor_set(x_418, 1, x_417);
-return x_418;
-}
-}
-}
-else
-{
-lean_object* x_419; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_419 = lean_ctor_get(x_329, 0);
-lean_inc(x_419);
-lean_dec(x_329);
-lean_ctor_set(x_323, 0, x_419);
 return x_323;
 }
 }
 else
 {
-lean_object* x_420; lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; 
-x_420 = lean_ctor_get(x_323, 0);
-x_421 = lean_ctor_get(x_323, 1);
-lean_inc(x_421);
-lean_inc(x_420);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_323;
+}
+}
+else
+{
+lean_object* x_374; lean_object* x_375; uint8_t x_376; 
+x_374 = lean_ctor_get(x_323, 0);
+x_375 = lean_ctor_get(x_323, 1);
+lean_inc(x_375);
+lean_inc(x_374);
 lean_dec(x_323);
-x_422 = lean_ctor_get(x_420, 1);
-lean_inc(x_422);
-lean_dec(x_420);
-x_423 = lean_ctor_get(x_422, 0);
-lean_inc(x_423);
-lean_dec(x_422);
-lean_inc(x_1);
-x_424 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_423, x_1);
-if (lean_obj_tag(x_424) == 0)
+x_376 = l_Lean_Expr_hasMVar(x_1);
+if (x_376 == 0)
 {
-lean_object* x_425; lean_object* x_426; 
-x_425 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___closed__1;
-lean_inc(x_5);
-lean_inc(x_3);
-lean_inc(x_1);
-x_426 = l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(x_1, x_425, x_2, x_3, x_4, x_5, x_421);
-if (lean_obj_tag(x_426) == 0)
+uint8_t x_377; 
+x_377 = l_Lean_Expr_hasMVar(x_374);
+if (x_377 == 0)
 {
-lean_object* x_427; lean_object* x_428; lean_object* x_429; uint8_t x_430; 
-x_427 = lean_ctor_get(x_426, 0);
-lean_inc(x_427);
-x_428 = lean_ctor_get(x_426, 1);
-lean_inc(x_428);
-if (lean_is_exclusive(x_426)) {
- lean_ctor_release(x_426, 0);
- lean_ctor_release(x_426, 1);
- x_429 = x_426;
-} else {
- lean_dec_ref(x_426);
- x_429 = lean_box(0);
-}
-x_430 = l_Lean_Expr_hasMVar(x_1);
-if (x_430 == 0)
-{
-uint8_t x_431; 
-x_431 = l_Lean_Expr_hasMVar(x_427);
-if (x_431 == 0)
-{
-lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; lean_object* x_445; lean_object* x_446; lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; lean_object* x_451; lean_object* x_452; lean_object* x_453; lean_object* x_454; lean_object* x_455; lean_object* x_456; 
-lean_dec(x_429);
-x_432 = lean_st_ref_get(x_5, x_428);
+lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; lean_object* x_384; lean_object* x_385; lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; lean_object* x_400; lean_object* x_401; 
+x_378 = lean_st_ref_get(x_5, x_375);
 lean_dec(x_5);
-x_433 = lean_ctor_get(x_432, 1);
-lean_inc(x_433);
-lean_dec(x_432);
-x_434 = lean_st_ref_take(x_3, x_433);
-x_435 = lean_ctor_get(x_434, 0);
-lean_inc(x_435);
-x_436 = lean_ctor_get(x_435, 1);
-lean_inc(x_436);
-x_437 = lean_ctor_get(x_434, 1);
-lean_inc(x_437);
-lean_dec(x_434);
-x_438 = lean_ctor_get(x_435, 0);
-lean_inc(x_438);
-x_439 = lean_ctor_get(x_435, 2);
-lean_inc(x_439);
-x_440 = lean_ctor_get(x_435, 3);
-lean_inc(x_440);
-if (lean_is_exclusive(x_435)) {
- lean_ctor_release(x_435, 0);
- lean_ctor_release(x_435, 1);
- lean_ctor_release(x_435, 2);
- lean_ctor_release(x_435, 3);
- x_441 = x_435;
+x_379 = lean_ctor_get(x_378, 1);
+lean_inc(x_379);
+lean_dec(x_378);
+x_380 = lean_st_ref_take(x_3, x_379);
+x_381 = lean_ctor_get(x_380, 0);
+lean_inc(x_381);
+x_382 = lean_ctor_get(x_381, 1);
+lean_inc(x_382);
+x_383 = lean_ctor_get(x_380, 1);
+lean_inc(x_383);
+lean_dec(x_380);
+x_384 = lean_ctor_get(x_381, 0);
+lean_inc(x_384);
+x_385 = lean_ctor_get(x_381, 2);
+lean_inc(x_385);
+x_386 = lean_ctor_get(x_381, 3);
+lean_inc(x_386);
+if (lean_is_exclusive(x_381)) {
+ lean_ctor_release(x_381, 0);
+ lean_ctor_release(x_381, 1);
+ lean_ctor_release(x_381, 2);
+ lean_ctor_release(x_381, 3);
+ x_387 = x_381;
 } else {
- lean_dec_ref(x_435);
- x_441 = lean_box(0);
+ lean_dec_ref(x_381);
+ x_387 = lean_box(0);
 }
-x_442 = lean_ctor_get(x_436, 0);
-lean_inc(x_442);
-x_443 = lean_ctor_get(x_436, 1);
-lean_inc(x_443);
-x_444 = lean_ctor_get(x_436, 2);
-lean_inc(x_444);
-x_445 = lean_ctor_get(x_436, 3);
-lean_inc(x_445);
-x_446 = lean_ctor_get(x_436, 4);
-lean_inc(x_446);
-x_447 = lean_ctor_get(x_436, 5);
-lean_inc(x_447);
-x_448 = lean_ctor_get(x_436, 6);
-lean_inc(x_448);
-if (lean_is_exclusive(x_436)) {
- lean_ctor_release(x_436, 0);
- lean_ctor_release(x_436, 1);
- lean_ctor_release(x_436, 2);
- lean_ctor_release(x_436, 3);
- lean_ctor_release(x_436, 4);
- lean_ctor_release(x_436, 5);
- lean_ctor_release(x_436, 6);
- x_449 = x_436;
+x_388 = lean_ctor_get(x_382, 0);
+lean_inc(x_388);
+x_389 = lean_ctor_get(x_382, 1);
+lean_inc(x_389);
+x_390 = lean_ctor_get(x_382, 2);
+lean_inc(x_390);
+x_391 = lean_ctor_get(x_382, 3);
+lean_inc(x_391);
+x_392 = lean_ctor_get(x_382, 4);
+lean_inc(x_392);
+x_393 = lean_ctor_get(x_382, 5);
+lean_inc(x_393);
+if (lean_is_exclusive(x_382)) {
+ lean_ctor_release(x_382, 0);
+ lean_ctor_release(x_382, 1);
+ lean_ctor_release(x_382, 2);
+ lean_ctor_release(x_382, 3);
+ lean_ctor_release(x_382, 4);
+ lean_ctor_release(x_382, 5);
+ x_394 = x_382;
 } else {
- lean_dec_ref(x_436);
- x_449 = lean_box(0);
+ lean_dec_ref(x_382);
+ x_394 = lean_box(0);
 }
-lean_inc(x_427);
-x_450 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_442, x_1, x_427);
-if (lean_is_scalar(x_449)) {
- x_451 = lean_alloc_ctor(0, 7, 0);
+lean_inc(x_374);
+x_395 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_388, x_1, x_374);
+if (lean_is_scalar(x_394)) {
+ x_396 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_451 = x_449;
+ x_396 = x_394;
 }
-lean_ctor_set(x_451, 0, x_450);
-lean_ctor_set(x_451, 1, x_443);
-lean_ctor_set(x_451, 2, x_444);
-lean_ctor_set(x_451, 3, x_445);
-lean_ctor_set(x_451, 4, x_446);
-lean_ctor_set(x_451, 5, x_447);
-lean_ctor_set(x_451, 6, x_448);
-if (lean_is_scalar(x_441)) {
- x_452 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_396, 0, x_395);
+lean_ctor_set(x_396, 1, x_389);
+lean_ctor_set(x_396, 2, x_390);
+lean_ctor_set(x_396, 3, x_391);
+lean_ctor_set(x_396, 4, x_392);
+lean_ctor_set(x_396, 5, x_393);
+if (lean_is_scalar(x_387)) {
+ x_397 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_452 = x_441;
+ x_397 = x_387;
 }
-lean_ctor_set(x_452, 0, x_438);
-lean_ctor_set(x_452, 1, x_451);
-lean_ctor_set(x_452, 2, x_439);
-lean_ctor_set(x_452, 3, x_440);
-x_453 = lean_st_ref_set(x_3, x_452, x_437);
+lean_ctor_set(x_397, 0, x_384);
+lean_ctor_set(x_397, 1, x_396);
+lean_ctor_set(x_397, 2, x_385);
+lean_ctor_set(x_397, 3, x_386);
+x_398 = lean_st_ref_set(x_3, x_397, x_383);
 lean_dec(x_3);
-x_454 = lean_ctor_get(x_453, 1);
-lean_inc(x_454);
-if (lean_is_exclusive(x_453)) {
- lean_ctor_release(x_453, 0);
- lean_ctor_release(x_453, 1);
- x_455 = x_453;
+x_399 = lean_ctor_get(x_398, 1);
+lean_inc(x_399);
+if (lean_is_exclusive(x_398)) {
+ lean_ctor_release(x_398, 0);
+ lean_ctor_release(x_398, 1);
+ x_400 = x_398;
 } else {
- lean_dec_ref(x_453);
- x_455 = lean_box(0);
+ lean_dec_ref(x_398);
+ x_400 = lean_box(0);
 }
-if (lean_is_scalar(x_455)) {
- x_456 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_400)) {
+ x_401 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_456 = x_455;
+ x_401 = x_400;
 }
-lean_ctor_set(x_456, 0, x_427);
-lean_ctor_set(x_456, 1, x_454);
-return x_456;
+lean_ctor_set(x_401, 0, x_374);
+lean_ctor_set(x_401, 1, x_399);
+return x_401;
 }
 else
 {
-lean_object* x_457; 
+lean_object* x_402; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_429)) {
- x_457 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_457 = x_429;
-}
-lean_ctor_set(x_457, 0, x_427);
-lean_ctor_set(x_457, 1, x_428);
-return x_457;
+x_402 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_402, 0, x_374);
+lean_ctor_set(x_402, 1, x_375);
+return x_402;
 }
 }
 else
 {
-lean_object* x_458; 
+lean_object* x_403; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-if (lean_is_scalar(x_429)) {
- x_458 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_458 = x_429;
+x_403 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_403, 0, x_374);
+lean_ctor_set(x_403, 1, x_375);
+return x_403;
 }
-lean_ctor_set(x_458, 0, x_427);
-lean_ctor_set(x_458, 1, x_428);
-return x_458;
 }
 }
 else
 {
-lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; 
+uint8_t x_404; 
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_459 = lean_ctor_get(x_426, 0);
-lean_inc(x_459);
-x_460 = lean_ctor_get(x_426, 1);
-lean_inc(x_460);
-if (lean_is_exclusive(x_426)) {
- lean_ctor_release(x_426, 0);
- lean_ctor_release(x_426, 1);
- x_461 = x_426;
-} else {
- lean_dec_ref(x_426);
- x_461 = lean_box(0);
+x_404 = !lean_is_exclusive(x_323);
+if (x_404 == 0)
+{
+return x_323;
 }
-if (lean_is_scalar(x_461)) {
- x_462 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_462 = x_461;
+else
+{
+lean_object* x_405; lean_object* x_406; lean_object* x_407; 
+x_405 = lean_ctor_get(x_323, 0);
+x_406 = lean_ctor_get(x_323, 1);
+lean_inc(x_406);
+lean_inc(x_405);
+lean_dec(x_323);
+x_407 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_407, 0, x_405);
+lean_ctor_set(x_407, 1, x_406);
+return x_407;
 }
-lean_ctor_set(x_462, 0, x_459);
-lean_ctor_set(x_462, 1, x_460);
-return x_462;
 }
 }
 else
 {
-lean_object* x_463; lean_object* x_464; 
+lean_object* x_408; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_463 = lean_ctor_get(x_424, 0);
-lean_inc(x_463);
-lean_dec(x_424);
-x_464 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_464, 0, x_463);
-lean_ctor_set(x_464, 1, x_421);
-return x_464;
+x_408 = lean_ctor_get(x_321, 0);
+lean_inc(x_408);
+lean_dec(x_321);
+lean_ctor_set(x_315, 0, x_408);
+return x_315;
+}
+}
+else
+{
+lean_object* x_409; lean_object* x_410; lean_object* x_411; lean_object* x_412; lean_object* x_413; 
+x_409 = lean_ctor_get(x_315, 0);
+x_410 = lean_ctor_get(x_315, 1);
+lean_inc(x_410);
+lean_inc(x_409);
+lean_dec(x_315);
+x_411 = lean_ctor_get(x_409, 1);
+lean_inc(x_411);
+lean_dec(x_409);
+x_412 = lean_ctor_get(x_411, 0);
+lean_inc(x_412);
+lean_dec(x_411);
+lean_inc(x_1);
+x_413 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_412, x_1);
+if (lean_obj_tag(x_413) == 0)
+{
+lean_object* x_414; lean_object* x_415; 
+x_414 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___closed__1;
+lean_inc(x_5);
+lean_inc(x_3);
+lean_inc(x_1);
+x_415 = l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(x_1, x_414, x_2, x_3, x_4, x_5, x_410);
+if (lean_obj_tag(x_415) == 0)
+{
+lean_object* x_416; lean_object* x_417; lean_object* x_418; uint8_t x_419; 
+x_416 = lean_ctor_get(x_415, 0);
+lean_inc(x_416);
+x_417 = lean_ctor_get(x_415, 1);
+lean_inc(x_417);
+if (lean_is_exclusive(x_415)) {
+ lean_ctor_release(x_415, 0);
+ lean_ctor_release(x_415, 1);
+ x_418 = x_415;
+} else {
+ lean_dec_ref(x_415);
+ x_418 = lean_box(0);
+}
+x_419 = l_Lean_Expr_hasMVar(x_1);
+if (x_419 == 0)
+{
+uint8_t x_420; 
+x_420 = l_Lean_Expr_hasMVar(x_416);
+if (x_420 == 0)
+{
+lean_object* x_421; lean_object* x_422; lean_object* x_423; lean_object* x_424; lean_object* x_425; lean_object* x_426; lean_object* x_427; lean_object* x_428; lean_object* x_429; lean_object* x_430; lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; lean_object* x_436; lean_object* x_437; lean_object* x_438; lean_object* x_439; lean_object* x_440; lean_object* x_441; lean_object* x_442; lean_object* x_443; lean_object* x_444; 
+lean_dec(x_418);
+x_421 = lean_st_ref_get(x_5, x_417);
+lean_dec(x_5);
+x_422 = lean_ctor_get(x_421, 1);
+lean_inc(x_422);
+lean_dec(x_421);
+x_423 = lean_st_ref_take(x_3, x_422);
+x_424 = lean_ctor_get(x_423, 0);
+lean_inc(x_424);
+x_425 = lean_ctor_get(x_424, 1);
+lean_inc(x_425);
+x_426 = lean_ctor_get(x_423, 1);
+lean_inc(x_426);
+lean_dec(x_423);
+x_427 = lean_ctor_get(x_424, 0);
+lean_inc(x_427);
+x_428 = lean_ctor_get(x_424, 2);
+lean_inc(x_428);
+x_429 = lean_ctor_get(x_424, 3);
+lean_inc(x_429);
+if (lean_is_exclusive(x_424)) {
+ lean_ctor_release(x_424, 0);
+ lean_ctor_release(x_424, 1);
+ lean_ctor_release(x_424, 2);
+ lean_ctor_release(x_424, 3);
+ x_430 = x_424;
+} else {
+ lean_dec_ref(x_424);
+ x_430 = lean_box(0);
+}
+x_431 = lean_ctor_get(x_425, 0);
+lean_inc(x_431);
+x_432 = lean_ctor_get(x_425, 1);
+lean_inc(x_432);
+x_433 = lean_ctor_get(x_425, 2);
+lean_inc(x_433);
+x_434 = lean_ctor_get(x_425, 3);
+lean_inc(x_434);
+x_435 = lean_ctor_get(x_425, 4);
+lean_inc(x_435);
+x_436 = lean_ctor_get(x_425, 5);
+lean_inc(x_436);
+if (lean_is_exclusive(x_425)) {
+ lean_ctor_release(x_425, 0);
+ lean_ctor_release(x_425, 1);
+ lean_ctor_release(x_425, 2);
+ lean_ctor_release(x_425, 3);
+ lean_ctor_release(x_425, 4);
+ lean_ctor_release(x_425, 5);
+ x_437 = x_425;
+} else {
+ lean_dec_ref(x_425);
+ x_437 = lean_box(0);
+}
+lean_inc(x_416);
+x_438 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_431, x_1, x_416);
+if (lean_is_scalar(x_437)) {
+ x_439 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_439 = x_437;
+}
+lean_ctor_set(x_439, 0, x_438);
+lean_ctor_set(x_439, 1, x_432);
+lean_ctor_set(x_439, 2, x_433);
+lean_ctor_set(x_439, 3, x_434);
+lean_ctor_set(x_439, 4, x_435);
+lean_ctor_set(x_439, 5, x_436);
+if (lean_is_scalar(x_430)) {
+ x_440 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_440 = x_430;
+}
+lean_ctor_set(x_440, 0, x_427);
+lean_ctor_set(x_440, 1, x_439);
+lean_ctor_set(x_440, 2, x_428);
+lean_ctor_set(x_440, 3, x_429);
+x_441 = lean_st_ref_set(x_3, x_440, x_426);
+lean_dec(x_3);
+x_442 = lean_ctor_get(x_441, 1);
+lean_inc(x_442);
+if (lean_is_exclusive(x_441)) {
+ lean_ctor_release(x_441, 0);
+ lean_ctor_release(x_441, 1);
+ x_443 = x_441;
+} else {
+ lean_dec_ref(x_441);
+ x_443 = lean_box(0);
+}
+if (lean_is_scalar(x_443)) {
+ x_444 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_444 = x_443;
+}
+lean_ctor_set(x_444, 0, x_416);
+lean_ctor_set(x_444, 1, x_442);
+return x_444;
+}
+else
+{
+lean_object* x_445; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_418)) {
+ x_445 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_445 = x_418;
+}
+lean_ctor_set(x_445, 0, x_416);
+lean_ctor_set(x_445, 1, x_417);
+return x_445;
+}
+}
+else
+{
+lean_object* x_446; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_418)) {
+ x_446 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_446 = x_418;
+}
+lean_ctor_set(x_446, 0, x_416);
+lean_ctor_set(x_446, 1, x_417);
+return x_446;
+}
+}
+else
+{
+lean_object* x_447; lean_object* x_448; lean_object* x_449; lean_object* x_450; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_447 = lean_ctor_get(x_415, 0);
+lean_inc(x_447);
+x_448 = lean_ctor_get(x_415, 1);
+lean_inc(x_448);
+if (lean_is_exclusive(x_415)) {
+ lean_ctor_release(x_415, 0);
+ lean_ctor_release(x_415, 1);
+ x_449 = x_415;
+} else {
+ lean_dec_ref(x_415);
+ x_449 = lean_box(0);
+}
+if (lean_is_scalar(x_449)) {
+ x_450 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_450 = x_449;
+}
+lean_ctor_set(x_450, 0, x_447);
+lean_ctor_set(x_450, 1, x_448);
+return x_450;
+}
+}
+else
+{
+lean_object* x_451; lean_object* x_452; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_451 = lean_ctor_get(x_413, 0);
+lean_inc(x_451);
+lean_dec(x_413);
+x_452 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_452, 0, x_451);
+lean_ctor_set(x_452, 1, x_410);
+return x_452;
 }
 }
 }
 case 9:
 {
-lean_object* x_465; lean_object* x_466; lean_object* x_467; 
+lean_object* x_453; lean_object* x_454; lean_object* x_455; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_465 = lean_ctor_get(x_1, 0);
-lean_inc(x_465);
+x_453 = lean_ctor_get(x_1, 0);
+lean_inc(x_453);
 lean_dec(x_1);
-x_466 = l_Lean_Literal_type(x_465);
-lean_dec(x_465);
-x_467 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_467, 0, x_466);
-lean_ctor_set(x_467, 1, x_6);
-return x_467;
+x_454 = l_Lean_Literal_type(x_453);
+lean_dec(x_453);
+x_455 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_455, 0, x_454);
+lean_ctor_set(x_455, 1, x_6);
+return x_455;
 }
 case 10:
 {
-lean_object* x_468; 
-x_468 = lean_ctor_get(x_1, 1);
-lean_inc(x_468);
+lean_object* x_456; 
+x_456 = lean_ctor_get(x_1, 1);
+lean_inc(x_456);
 lean_dec(x_1);
-x_1 = x_468;
+x_1 = x_456;
 goto _start;
 }
 case 11:
 {
-lean_object* x_470; lean_object* x_471; lean_object* x_472; lean_object* x_473; lean_object* x_474; lean_object* x_475; uint8_t x_476; 
-x_470 = lean_ctor_get(x_1, 0);
-lean_inc(x_470);
-x_471 = lean_ctor_get(x_1, 1);
-lean_inc(x_471);
-x_472 = lean_ctor_get(x_1, 2);
-lean_inc(x_472);
-x_473 = lean_st_ref_get(x_5, x_6);
-x_474 = lean_ctor_get(x_473, 1);
-lean_inc(x_474);
-lean_dec(x_473);
-x_475 = lean_st_ref_get(x_3, x_474);
-x_476 = !lean_is_exclusive(x_475);
-if (x_476 == 0)
+lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; lean_object* x_463; uint8_t x_464; 
+x_458 = lean_ctor_get(x_1, 0);
+lean_inc(x_458);
+x_459 = lean_ctor_get(x_1, 1);
+lean_inc(x_459);
+x_460 = lean_ctor_get(x_1, 2);
+lean_inc(x_460);
+x_461 = lean_st_ref_get(x_5, x_6);
+x_462 = lean_ctor_get(x_461, 1);
+lean_inc(x_462);
+lean_dec(x_461);
+x_463 = lean_st_ref_get(x_3, x_462);
+x_464 = !lean_is_exclusive(x_463);
+if (x_464 == 0)
 {
-lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; lean_object* x_481; 
-x_477 = lean_ctor_get(x_475, 0);
-x_478 = lean_ctor_get(x_475, 1);
-x_479 = lean_ctor_get(x_477, 1);
-lean_inc(x_479);
-lean_dec(x_477);
-x_480 = lean_ctor_get(x_479, 0);
-lean_inc(x_480);
-lean_dec(x_479);
+lean_object* x_465; lean_object* x_466; lean_object* x_467; lean_object* x_468; lean_object* x_469; 
+x_465 = lean_ctor_get(x_463, 0);
+x_466 = lean_ctor_get(x_463, 1);
+x_467 = lean_ctor_get(x_465, 1);
+lean_inc(x_467);
+lean_dec(x_465);
+x_468 = lean_ctor_get(x_467, 0);
+lean_inc(x_468);
+lean_dec(x_467);
 lean_inc(x_1);
-x_481 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_480, x_1);
-if (lean_obj_tag(x_481) == 0)
+x_469 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_468, x_1);
+if (lean_obj_tag(x_469) == 0)
 {
-lean_object* x_482; 
-lean_free_object(x_475);
+lean_object* x_470; 
+lean_free_object(x_463);
 lean_inc(x_5);
 lean_inc(x_3);
-x_482 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType(x_470, x_471, x_472, x_2, x_3, x_4, x_5, x_478);
-if (lean_obj_tag(x_482) == 0)
+x_470 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType(x_458, x_459, x_460, x_2, x_3, x_4, x_5, x_466);
+if (lean_obj_tag(x_470) == 0)
 {
-uint8_t x_483; 
-x_483 = !lean_is_exclusive(x_482);
-if (x_483 == 0)
+uint8_t x_471; 
+x_471 = !lean_is_exclusive(x_470);
+if (x_471 == 0)
 {
-lean_object* x_484; lean_object* x_485; uint8_t x_486; 
-x_484 = lean_ctor_get(x_482, 0);
-x_485 = lean_ctor_get(x_482, 1);
-x_486 = l_Lean_Expr_hasMVar(x_1);
-if (x_486 == 0)
+lean_object* x_472; lean_object* x_473; uint8_t x_474; 
+x_472 = lean_ctor_get(x_470, 0);
+x_473 = lean_ctor_get(x_470, 1);
+x_474 = l_Lean_Expr_hasMVar(x_1);
+if (x_474 == 0)
 {
-uint8_t x_487; 
-x_487 = l_Lean_Expr_hasMVar(x_484);
-if (x_487 == 0)
+uint8_t x_475; 
+x_475 = l_Lean_Expr_hasMVar(x_472);
+if (x_475 == 0)
 {
-lean_object* x_488; lean_object* x_489; lean_object* x_490; lean_object* x_491; lean_object* x_492; lean_object* x_493; uint8_t x_494; 
-lean_free_object(x_482);
-x_488 = lean_st_ref_get(x_5, x_485);
+lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; lean_object* x_481; uint8_t x_482; 
+lean_free_object(x_470);
+x_476 = lean_st_ref_get(x_5, x_473);
 lean_dec(x_5);
-x_489 = lean_ctor_get(x_488, 1);
-lean_inc(x_489);
-lean_dec(x_488);
-x_490 = lean_st_ref_take(x_3, x_489);
-x_491 = lean_ctor_get(x_490, 0);
-lean_inc(x_491);
-x_492 = lean_ctor_get(x_491, 1);
-lean_inc(x_492);
-x_493 = lean_ctor_get(x_490, 1);
-lean_inc(x_493);
-lean_dec(x_490);
-x_494 = !lean_is_exclusive(x_491);
-if (x_494 == 0)
+x_477 = lean_ctor_get(x_476, 1);
+lean_inc(x_477);
+lean_dec(x_476);
+x_478 = lean_st_ref_take(x_3, x_477);
+x_479 = lean_ctor_get(x_478, 0);
+lean_inc(x_479);
+x_480 = lean_ctor_get(x_479, 1);
+lean_inc(x_480);
+x_481 = lean_ctor_get(x_478, 1);
+lean_inc(x_481);
+lean_dec(x_478);
+x_482 = !lean_is_exclusive(x_479);
+if (x_482 == 0)
 {
-lean_object* x_495; uint8_t x_496; 
-x_495 = lean_ctor_get(x_491, 1);
-lean_dec(x_495);
-x_496 = !lean_is_exclusive(x_492);
-if (x_496 == 0)
+lean_object* x_483; uint8_t x_484; 
+x_483 = lean_ctor_get(x_479, 1);
+lean_dec(x_483);
+x_484 = !lean_is_exclusive(x_480);
+if (x_484 == 0)
 {
-lean_object* x_497; lean_object* x_498; lean_object* x_499; uint8_t x_500; 
-x_497 = lean_ctor_get(x_492, 0);
-lean_inc(x_484);
-x_498 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_497, x_1, x_484);
-lean_ctor_set(x_492, 0, x_498);
-x_499 = lean_st_ref_set(x_3, x_491, x_493);
+lean_object* x_485; lean_object* x_486; lean_object* x_487; uint8_t x_488; 
+x_485 = lean_ctor_get(x_480, 0);
+lean_inc(x_472);
+x_486 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_485, x_1, x_472);
+lean_ctor_set(x_480, 0, x_486);
+x_487 = lean_st_ref_set(x_3, x_479, x_481);
 lean_dec(x_3);
-x_500 = !lean_is_exclusive(x_499);
-if (x_500 == 0)
+x_488 = !lean_is_exclusive(x_487);
+if (x_488 == 0)
 {
-lean_object* x_501; 
-x_501 = lean_ctor_get(x_499, 0);
-lean_dec(x_501);
-lean_ctor_set(x_499, 0, x_484);
-return x_499;
+lean_object* x_489; 
+x_489 = lean_ctor_get(x_487, 0);
+lean_dec(x_489);
+lean_ctor_set(x_487, 0, x_472);
+return x_487;
 }
 else
 {
-lean_object* x_502; lean_object* x_503; 
-x_502 = lean_ctor_get(x_499, 1);
-lean_inc(x_502);
-lean_dec(x_499);
-x_503 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_503, 0, x_484);
-lean_ctor_set(x_503, 1, x_502);
+lean_object* x_490; lean_object* x_491; 
+x_490 = lean_ctor_get(x_487, 1);
+lean_inc(x_490);
+lean_dec(x_487);
+x_491 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_491, 0, x_472);
+lean_ctor_set(x_491, 1, x_490);
+return x_491;
+}
+}
+else
+{
+lean_object* x_492; lean_object* x_493; lean_object* x_494; lean_object* x_495; lean_object* x_496; lean_object* x_497; lean_object* x_498; lean_object* x_499; lean_object* x_500; lean_object* x_501; lean_object* x_502; lean_object* x_503; 
+x_492 = lean_ctor_get(x_480, 0);
+x_493 = lean_ctor_get(x_480, 1);
+x_494 = lean_ctor_get(x_480, 2);
+x_495 = lean_ctor_get(x_480, 3);
+x_496 = lean_ctor_get(x_480, 4);
+x_497 = lean_ctor_get(x_480, 5);
+lean_inc(x_497);
+lean_inc(x_496);
+lean_inc(x_495);
+lean_inc(x_494);
+lean_inc(x_493);
+lean_inc(x_492);
+lean_dec(x_480);
+lean_inc(x_472);
+x_498 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_492, x_1, x_472);
+x_499 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_499, 0, x_498);
+lean_ctor_set(x_499, 1, x_493);
+lean_ctor_set(x_499, 2, x_494);
+lean_ctor_set(x_499, 3, x_495);
+lean_ctor_set(x_499, 4, x_496);
+lean_ctor_set(x_499, 5, x_497);
+lean_ctor_set(x_479, 1, x_499);
+x_500 = lean_st_ref_set(x_3, x_479, x_481);
+lean_dec(x_3);
+x_501 = lean_ctor_get(x_500, 1);
+lean_inc(x_501);
+if (lean_is_exclusive(x_500)) {
+ lean_ctor_release(x_500, 0);
+ lean_ctor_release(x_500, 1);
+ x_502 = x_500;
+} else {
+ lean_dec_ref(x_500);
+ x_502 = lean_box(0);
+}
+if (lean_is_scalar(x_502)) {
+ x_503 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_503 = x_502;
+}
+lean_ctor_set(x_503, 0, x_472);
+lean_ctor_set(x_503, 1, x_501);
 return x_503;
 }
 }
 else
 {
-lean_object* x_504; lean_object* x_505; lean_object* x_506; lean_object* x_507; lean_object* x_508; lean_object* x_509; lean_object* x_510; lean_object* x_511; lean_object* x_512; lean_object* x_513; lean_object* x_514; lean_object* x_515; lean_object* x_516; 
-x_504 = lean_ctor_get(x_492, 0);
-x_505 = lean_ctor_get(x_492, 1);
-x_506 = lean_ctor_get(x_492, 2);
-x_507 = lean_ctor_get(x_492, 3);
-x_508 = lean_ctor_get(x_492, 4);
-x_509 = lean_ctor_get(x_492, 5);
-x_510 = lean_ctor_get(x_492, 6);
-lean_inc(x_510);
-lean_inc(x_509);
-lean_inc(x_508);
-lean_inc(x_507);
+lean_object* x_504; lean_object* x_505; lean_object* x_506; lean_object* x_507; lean_object* x_508; lean_object* x_509; lean_object* x_510; lean_object* x_511; lean_object* x_512; lean_object* x_513; lean_object* x_514; lean_object* x_515; lean_object* x_516; lean_object* x_517; lean_object* x_518; lean_object* x_519; lean_object* x_520; 
+x_504 = lean_ctor_get(x_479, 0);
+x_505 = lean_ctor_get(x_479, 2);
+x_506 = lean_ctor_get(x_479, 3);
 lean_inc(x_506);
 lean_inc(x_505);
 lean_inc(x_504);
-lean_dec(x_492);
-lean_inc(x_484);
-x_511 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_504, x_1, x_484);
-x_512 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_512, 0, x_511);
-lean_ctor_set(x_512, 1, x_505);
-lean_ctor_set(x_512, 2, x_506);
-lean_ctor_set(x_512, 3, x_507);
-lean_ctor_set(x_512, 4, x_508);
-lean_ctor_set(x_512, 5, x_509);
-lean_ctor_set(x_512, 6, x_510);
-lean_ctor_set(x_491, 1, x_512);
-x_513 = lean_st_ref_set(x_3, x_491, x_493);
-lean_dec(x_3);
-x_514 = lean_ctor_get(x_513, 1);
-lean_inc(x_514);
-if (lean_is_exclusive(x_513)) {
- lean_ctor_release(x_513, 0);
- lean_ctor_release(x_513, 1);
+lean_dec(x_479);
+x_507 = lean_ctor_get(x_480, 0);
+lean_inc(x_507);
+x_508 = lean_ctor_get(x_480, 1);
+lean_inc(x_508);
+x_509 = lean_ctor_get(x_480, 2);
+lean_inc(x_509);
+x_510 = lean_ctor_get(x_480, 3);
+lean_inc(x_510);
+x_511 = lean_ctor_get(x_480, 4);
+lean_inc(x_511);
+x_512 = lean_ctor_get(x_480, 5);
+lean_inc(x_512);
+if (lean_is_exclusive(x_480)) {
+ lean_ctor_release(x_480, 0);
+ lean_ctor_release(x_480, 1);
+ lean_ctor_release(x_480, 2);
+ lean_ctor_release(x_480, 3);
+ lean_ctor_release(x_480, 4);
+ lean_ctor_release(x_480, 5);
+ x_513 = x_480;
+} else {
+ lean_dec_ref(x_480);
+ x_513 = lean_box(0);
+}
+lean_inc(x_472);
+x_514 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_507, x_1, x_472);
+if (lean_is_scalar(x_513)) {
+ x_515 = lean_alloc_ctor(0, 6, 0);
+} else {
  x_515 = x_513;
-} else {
- lean_dec_ref(x_513);
- x_515 = lean_box(0);
 }
-if (lean_is_scalar(x_515)) {
- x_516 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_516 = x_515;
-}
-lean_ctor_set(x_516, 0, x_484);
-lean_ctor_set(x_516, 1, x_514);
-return x_516;
-}
-}
-else
-{
-lean_object* x_517; lean_object* x_518; lean_object* x_519; lean_object* x_520; lean_object* x_521; lean_object* x_522; lean_object* x_523; lean_object* x_524; lean_object* x_525; lean_object* x_526; lean_object* x_527; lean_object* x_528; lean_object* x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; lean_object* x_533; lean_object* x_534; 
-x_517 = lean_ctor_get(x_491, 0);
-x_518 = lean_ctor_get(x_491, 2);
-x_519 = lean_ctor_get(x_491, 3);
-lean_inc(x_519);
+lean_ctor_set(x_515, 0, x_514);
+lean_ctor_set(x_515, 1, x_508);
+lean_ctor_set(x_515, 2, x_509);
+lean_ctor_set(x_515, 3, x_510);
+lean_ctor_set(x_515, 4, x_511);
+lean_ctor_set(x_515, 5, x_512);
+x_516 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_516, 0, x_504);
+lean_ctor_set(x_516, 1, x_515);
+lean_ctor_set(x_516, 2, x_505);
+lean_ctor_set(x_516, 3, x_506);
+x_517 = lean_st_ref_set(x_3, x_516, x_481);
+lean_dec(x_3);
+x_518 = lean_ctor_get(x_517, 1);
 lean_inc(x_518);
-lean_inc(x_517);
-lean_dec(x_491);
-x_520 = lean_ctor_get(x_492, 0);
-lean_inc(x_520);
-x_521 = lean_ctor_get(x_492, 1);
-lean_inc(x_521);
-x_522 = lean_ctor_get(x_492, 2);
+if (lean_is_exclusive(x_517)) {
+ lean_ctor_release(x_517, 0);
+ lean_ctor_release(x_517, 1);
+ x_519 = x_517;
+} else {
+ lean_dec_ref(x_517);
+ x_519 = lean_box(0);
+}
+if (lean_is_scalar(x_519)) {
+ x_520 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_520 = x_519;
+}
+lean_ctor_set(x_520, 0, x_472);
+lean_ctor_set(x_520, 1, x_518);
+return x_520;
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_470;
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_470;
+}
+}
+else
+{
+lean_object* x_521; lean_object* x_522; uint8_t x_523; 
+x_521 = lean_ctor_get(x_470, 0);
+x_522 = lean_ctor_get(x_470, 1);
 lean_inc(x_522);
-x_523 = lean_ctor_get(x_492, 3);
-lean_inc(x_523);
-x_524 = lean_ctor_get(x_492, 4);
-lean_inc(x_524);
-x_525 = lean_ctor_get(x_492, 5);
-lean_inc(x_525);
-x_526 = lean_ctor_get(x_492, 6);
-lean_inc(x_526);
-if (lean_is_exclusive(x_492)) {
- lean_ctor_release(x_492, 0);
- lean_ctor_release(x_492, 1);
- lean_ctor_release(x_492, 2);
- lean_ctor_release(x_492, 3);
- lean_ctor_release(x_492, 4);
- lean_ctor_release(x_492, 5);
- lean_ctor_release(x_492, 6);
- x_527 = x_492;
-} else {
- lean_dec_ref(x_492);
- x_527 = lean_box(0);
-}
-lean_inc(x_484);
-x_528 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_520, x_1, x_484);
-if (lean_is_scalar(x_527)) {
- x_529 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_529 = x_527;
-}
-lean_ctor_set(x_529, 0, x_528);
-lean_ctor_set(x_529, 1, x_521);
-lean_ctor_set(x_529, 2, x_522);
-lean_ctor_set(x_529, 3, x_523);
-lean_ctor_set(x_529, 4, x_524);
-lean_ctor_set(x_529, 5, x_525);
-lean_ctor_set(x_529, 6, x_526);
-x_530 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_530, 0, x_517);
-lean_ctor_set(x_530, 1, x_529);
-lean_ctor_set(x_530, 2, x_518);
-lean_ctor_set(x_530, 3, x_519);
-x_531 = lean_st_ref_set(x_3, x_530, x_493);
-lean_dec(x_3);
-x_532 = lean_ctor_get(x_531, 1);
-lean_inc(x_532);
-if (lean_is_exclusive(x_531)) {
- lean_ctor_release(x_531, 0);
- lean_ctor_release(x_531, 1);
- x_533 = x_531;
-} else {
- lean_dec_ref(x_531);
- x_533 = lean_box(0);
-}
-if (lean_is_scalar(x_533)) {
- x_534 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_534 = x_533;
-}
-lean_ctor_set(x_534, 0, x_484);
-lean_ctor_set(x_534, 1, x_532);
-return x_534;
-}
-}
-else
-{
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_482;
-}
-}
-else
-{
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_482;
-}
-}
-else
-{
-lean_object* x_535; lean_object* x_536; uint8_t x_537; 
-x_535 = lean_ctor_get(x_482, 0);
-x_536 = lean_ctor_get(x_482, 1);
-lean_inc(x_536);
-lean_inc(x_535);
-lean_dec(x_482);
-x_537 = l_Lean_Expr_hasMVar(x_1);
-if (x_537 == 0)
-{
-uint8_t x_538; 
-x_538 = l_Lean_Expr_hasMVar(x_535);
-if (x_538 == 0)
-{
-lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; lean_object* x_544; lean_object* x_545; lean_object* x_546; lean_object* x_547; lean_object* x_548; lean_object* x_549; lean_object* x_550; lean_object* x_551; lean_object* x_552; lean_object* x_553; lean_object* x_554; lean_object* x_555; lean_object* x_556; lean_object* x_557; lean_object* x_558; lean_object* x_559; lean_object* x_560; lean_object* x_561; lean_object* x_562; lean_object* x_563; 
-x_539 = lean_st_ref_get(x_5, x_536);
-lean_dec(x_5);
-x_540 = lean_ctor_get(x_539, 1);
-lean_inc(x_540);
-lean_dec(x_539);
-x_541 = lean_st_ref_take(x_3, x_540);
-x_542 = lean_ctor_get(x_541, 0);
-lean_inc(x_542);
-x_543 = lean_ctor_get(x_542, 1);
-lean_inc(x_543);
-x_544 = lean_ctor_get(x_541, 1);
-lean_inc(x_544);
-lean_dec(x_541);
-x_545 = lean_ctor_get(x_542, 0);
-lean_inc(x_545);
-x_546 = lean_ctor_get(x_542, 2);
-lean_inc(x_546);
-x_547 = lean_ctor_get(x_542, 3);
-lean_inc(x_547);
-if (lean_is_exclusive(x_542)) {
- lean_ctor_release(x_542, 0);
- lean_ctor_release(x_542, 1);
- lean_ctor_release(x_542, 2);
- lean_ctor_release(x_542, 3);
- x_548 = x_542;
-} else {
- lean_dec_ref(x_542);
- x_548 = lean_box(0);
-}
-x_549 = lean_ctor_get(x_543, 0);
-lean_inc(x_549);
-x_550 = lean_ctor_get(x_543, 1);
-lean_inc(x_550);
-x_551 = lean_ctor_get(x_543, 2);
-lean_inc(x_551);
-x_552 = lean_ctor_get(x_543, 3);
-lean_inc(x_552);
-x_553 = lean_ctor_get(x_543, 4);
-lean_inc(x_553);
-x_554 = lean_ctor_get(x_543, 5);
-lean_inc(x_554);
-x_555 = lean_ctor_get(x_543, 6);
-lean_inc(x_555);
-if (lean_is_exclusive(x_543)) {
- lean_ctor_release(x_543, 0);
- lean_ctor_release(x_543, 1);
- lean_ctor_release(x_543, 2);
- lean_ctor_release(x_543, 3);
- lean_ctor_release(x_543, 4);
- lean_ctor_release(x_543, 5);
- lean_ctor_release(x_543, 6);
- x_556 = x_543;
-} else {
- lean_dec_ref(x_543);
- x_556 = lean_box(0);
-}
-lean_inc(x_535);
-x_557 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_549, x_1, x_535);
-if (lean_is_scalar(x_556)) {
- x_558 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_558 = x_556;
-}
-lean_ctor_set(x_558, 0, x_557);
-lean_ctor_set(x_558, 1, x_550);
-lean_ctor_set(x_558, 2, x_551);
-lean_ctor_set(x_558, 3, x_552);
-lean_ctor_set(x_558, 4, x_553);
-lean_ctor_set(x_558, 5, x_554);
-lean_ctor_set(x_558, 6, x_555);
-if (lean_is_scalar(x_548)) {
- x_559 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_559 = x_548;
-}
-lean_ctor_set(x_559, 0, x_545);
-lean_ctor_set(x_559, 1, x_558);
-lean_ctor_set(x_559, 2, x_546);
-lean_ctor_set(x_559, 3, x_547);
-x_560 = lean_st_ref_set(x_3, x_559, x_544);
-lean_dec(x_3);
-x_561 = lean_ctor_get(x_560, 1);
-lean_inc(x_561);
-if (lean_is_exclusive(x_560)) {
- lean_ctor_release(x_560, 0);
- lean_ctor_release(x_560, 1);
- x_562 = x_560;
-} else {
- lean_dec_ref(x_560);
- x_562 = lean_box(0);
-}
-if (lean_is_scalar(x_562)) {
- x_563 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_563 = x_562;
-}
-lean_ctor_set(x_563, 0, x_535);
-lean_ctor_set(x_563, 1, x_561);
-return x_563;
-}
-else
-{
-lean_object* x_564; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_564 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_564, 0, x_535);
-lean_ctor_set(x_564, 1, x_536);
-return x_564;
-}
-}
-else
-{
-lean_object* x_565; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_565 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_565, 0, x_535);
-lean_ctor_set(x_565, 1, x_536);
-return x_565;
-}
-}
-}
-else
-{
-uint8_t x_566; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_566 = !lean_is_exclusive(x_482);
-if (x_566 == 0)
-{
-return x_482;
-}
-else
-{
-lean_object* x_567; lean_object* x_568; lean_object* x_569; 
-x_567 = lean_ctor_get(x_482, 0);
-x_568 = lean_ctor_get(x_482, 1);
-lean_inc(x_568);
-lean_inc(x_567);
-lean_dec(x_482);
-x_569 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_569, 0, x_567);
-lean_ctor_set(x_569, 1, x_568);
-return x_569;
-}
-}
-}
-else
-{
-lean_object* x_570; 
-lean_dec(x_472);
-lean_dec(x_471);
+lean_inc(x_521);
 lean_dec(x_470);
+x_523 = l_Lean_Expr_hasMVar(x_1);
+if (x_523 == 0)
+{
+uint8_t x_524; 
+x_524 = l_Lean_Expr_hasMVar(x_521);
+if (x_524 == 0)
+{
+lean_object* x_525; lean_object* x_526; lean_object* x_527; lean_object* x_528; lean_object* x_529; lean_object* x_530; lean_object* x_531; lean_object* x_532; lean_object* x_533; lean_object* x_534; lean_object* x_535; lean_object* x_536; lean_object* x_537; lean_object* x_538; lean_object* x_539; lean_object* x_540; lean_object* x_541; lean_object* x_542; lean_object* x_543; lean_object* x_544; lean_object* x_545; lean_object* x_546; lean_object* x_547; lean_object* x_548; 
+x_525 = lean_st_ref_get(x_5, x_522);
+lean_dec(x_5);
+x_526 = lean_ctor_get(x_525, 1);
+lean_inc(x_526);
+lean_dec(x_525);
+x_527 = lean_st_ref_take(x_3, x_526);
+x_528 = lean_ctor_get(x_527, 0);
+lean_inc(x_528);
+x_529 = lean_ctor_get(x_528, 1);
+lean_inc(x_529);
+x_530 = lean_ctor_get(x_527, 1);
+lean_inc(x_530);
+lean_dec(x_527);
+x_531 = lean_ctor_get(x_528, 0);
+lean_inc(x_531);
+x_532 = lean_ctor_get(x_528, 2);
+lean_inc(x_532);
+x_533 = lean_ctor_get(x_528, 3);
+lean_inc(x_533);
+if (lean_is_exclusive(x_528)) {
+ lean_ctor_release(x_528, 0);
+ lean_ctor_release(x_528, 1);
+ lean_ctor_release(x_528, 2);
+ lean_ctor_release(x_528, 3);
+ x_534 = x_528;
+} else {
+ lean_dec_ref(x_528);
+ x_534 = lean_box(0);
+}
+x_535 = lean_ctor_get(x_529, 0);
+lean_inc(x_535);
+x_536 = lean_ctor_get(x_529, 1);
+lean_inc(x_536);
+x_537 = lean_ctor_get(x_529, 2);
+lean_inc(x_537);
+x_538 = lean_ctor_get(x_529, 3);
+lean_inc(x_538);
+x_539 = lean_ctor_get(x_529, 4);
+lean_inc(x_539);
+x_540 = lean_ctor_get(x_529, 5);
+lean_inc(x_540);
+if (lean_is_exclusive(x_529)) {
+ lean_ctor_release(x_529, 0);
+ lean_ctor_release(x_529, 1);
+ lean_ctor_release(x_529, 2);
+ lean_ctor_release(x_529, 3);
+ lean_ctor_release(x_529, 4);
+ lean_ctor_release(x_529, 5);
+ x_541 = x_529;
+} else {
+ lean_dec_ref(x_529);
+ x_541 = lean_box(0);
+}
+lean_inc(x_521);
+x_542 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_535, x_1, x_521);
+if (lean_is_scalar(x_541)) {
+ x_543 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_543 = x_541;
+}
+lean_ctor_set(x_543, 0, x_542);
+lean_ctor_set(x_543, 1, x_536);
+lean_ctor_set(x_543, 2, x_537);
+lean_ctor_set(x_543, 3, x_538);
+lean_ctor_set(x_543, 4, x_539);
+lean_ctor_set(x_543, 5, x_540);
+if (lean_is_scalar(x_534)) {
+ x_544 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_544 = x_534;
+}
+lean_ctor_set(x_544, 0, x_531);
+lean_ctor_set(x_544, 1, x_543);
+lean_ctor_set(x_544, 2, x_532);
+lean_ctor_set(x_544, 3, x_533);
+x_545 = lean_st_ref_set(x_3, x_544, x_530);
+lean_dec(x_3);
+x_546 = lean_ctor_get(x_545, 1);
+lean_inc(x_546);
+if (lean_is_exclusive(x_545)) {
+ lean_ctor_release(x_545, 0);
+ lean_ctor_release(x_545, 1);
+ x_547 = x_545;
+} else {
+ lean_dec_ref(x_545);
+ x_547 = lean_box(0);
+}
+if (lean_is_scalar(x_547)) {
+ x_548 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_548 = x_547;
+}
+lean_ctor_set(x_548, 0, x_521);
+lean_ctor_set(x_548, 1, x_546);
+return x_548;
+}
+else
+{
+lean_object* x_549; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_549 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_549, 0, x_521);
+lean_ctor_set(x_549, 1, x_522);
+return x_549;
+}
+}
+else
+{
+lean_object* x_550; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_550 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_550, 0, x_521);
+lean_ctor_set(x_550, 1, x_522);
+return x_550;
+}
+}
+}
+else
+{
+uint8_t x_551; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_551 = !lean_is_exclusive(x_470);
+if (x_551 == 0)
+{
+return x_470;
+}
+else
+{
+lean_object* x_552; lean_object* x_553; lean_object* x_554; 
+x_552 = lean_ctor_get(x_470, 0);
+x_553 = lean_ctor_get(x_470, 1);
+lean_inc(x_553);
+lean_inc(x_552);
+lean_dec(x_470);
+x_554 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_554, 0, x_552);
+lean_ctor_set(x_554, 1, x_553);
+return x_554;
+}
+}
+}
+else
+{
+lean_object* x_555; 
+lean_dec(x_460);
+lean_dec(x_459);
+lean_dec(x_458);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_570 = lean_ctor_get(x_481, 0);
-lean_inc(x_570);
-lean_dec(x_481);
-lean_ctor_set(x_475, 0, x_570);
-return x_475;
+x_555 = lean_ctor_get(x_469, 0);
+lean_inc(x_555);
+lean_dec(x_469);
+lean_ctor_set(x_463, 0, x_555);
+return x_463;
 }
 }
 else
 {
-lean_object* x_571; lean_object* x_572; lean_object* x_573; lean_object* x_574; lean_object* x_575; 
-x_571 = lean_ctor_get(x_475, 0);
-x_572 = lean_ctor_get(x_475, 1);
-lean_inc(x_572);
-lean_inc(x_571);
-lean_dec(x_475);
-x_573 = lean_ctor_get(x_571, 1);
-lean_inc(x_573);
-lean_dec(x_571);
-x_574 = lean_ctor_get(x_573, 0);
-lean_inc(x_574);
-lean_dec(x_573);
+lean_object* x_556; lean_object* x_557; lean_object* x_558; lean_object* x_559; lean_object* x_560; 
+x_556 = lean_ctor_get(x_463, 0);
+x_557 = lean_ctor_get(x_463, 1);
+lean_inc(x_557);
+lean_inc(x_556);
+lean_dec(x_463);
+x_558 = lean_ctor_get(x_556, 1);
+lean_inc(x_558);
+lean_dec(x_556);
+x_559 = lean_ctor_get(x_558, 0);
+lean_inc(x_559);
+lean_dec(x_558);
 lean_inc(x_1);
-x_575 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_574, x_1);
-if (lean_obj_tag(x_575) == 0)
+x_560 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_559, x_1);
+if (lean_obj_tag(x_560) == 0)
 {
-lean_object* x_576; 
+lean_object* x_561; 
 lean_inc(x_5);
 lean_inc(x_3);
-x_576 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType(x_470, x_471, x_472, x_2, x_3, x_4, x_5, x_572);
-if (lean_obj_tag(x_576) == 0)
+x_561 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferProjType(x_458, x_459, x_460, x_2, x_3, x_4, x_5, x_557);
+if (lean_obj_tag(x_561) == 0)
 {
-lean_object* x_577; lean_object* x_578; lean_object* x_579; uint8_t x_580; 
-x_577 = lean_ctor_get(x_576, 0);
+lean_object* x_562; lean_object* x_563; lean_object* x_564; uint8_t x_565; 
+x_562 = lean_ctor_get(x_561, 0);
+lean_inc(x_562);
+x_563 = lean_ctor_get(x_561, 1);
+lean_inc(x_563);
+if (lean_is_exclusive(x_561)) {
+ lean_ctor_release(x_561, 0);
+ lean_ctor_release(x_561, 1);
+ x_564 = x_561;
+} else {
+ lean_dec_ref(x_561);
+ x_564 = lean_box(0);
+}
+x_565 = l_Lean_Expr_hasMVar(x_1);
+if (x_565 == 0)
+{
+uint8_t x_566; 
+x_566 = l_Lean_Expr_hasMVar(x_562);
+if (x_566 == 0)
+{
+lean_object* x_567; lean_object* x_568; lean_object* x_569; lean_object* x_570; lean_object* x_571; lean_object* x_572; lean_object* x_573; lean_object* x_574; lean_object* x_575; lean_object* x_576; lean_object* x_577; lean_object* x_578; lean_object* x_579; lean_object* x_580; lean_object* x_581; lean_object* x_582; lean_object* x_583; lean_object* x_584; lean_object* x_585; lean_object* x_586; lean_object* x_587; lean_object* x_588; lean_object* x_589; lean_object* x_590; 
+lean_dec(x_564);
+x_567 = lean_st_ref_get(x_5, x_563);
+lean_dec(x_5);
+x_568 = lean_ctor_get(x_567, 1);
+lean_inc(x_568);
+lean_dec(x_567);
+x_569 = lean_st_ref_take(x_3, x_568);
+x_570 = lean_ctor_get(x_569, 0);
+lean_inc(x_570);
+x_571 = lean_ctor_get(x_570, 1);
+lean_inc(x_571);
+x_572 = lean_ctor_get(x_569, 1);
+lean_inc(x_572);
+lean_dec(x_569);
+x_573 = lean_ctor_get(x_570, 0);
+lean_inc(x_573);
+x_574 = lean_ctor_get(x_570, 2);
+lean_inc(x_574);
+x_575 = lean_ctor_get(x_570, 3);
+lean_inc(x_575);
+if (lean_is_exclusive(x_570)) {
+ lean_ctor_release(x_570, 0);
+ lean_ctor_release(x_570, 1);
+ lean_ctor_release(x_570, 2);
+ lean_ctor_release(x_570, 3);
+ x_576 = x_570;
+} else {
+ lean_dec_ref(x_570);
+ x_576 = lean_box(0);
+}
+x_577 = lean_ctor_get(x_571, 0);
 lean_inc(x_577);
-x_578 = lean_ctor_get(x_576, 1);
+x_578 = lean_ctor_get(x_571, 1);
 lean_inc(x_578);
-if (lean_is_exclusive(x_576)) {
- lean_ctor_release(x_576, 0);
- lean_ctor_release(x_576, 1);
- x_579 = x_576;
+x_579 = lean_ctor_get(x_571, 2);
+lean_inc(x_579);
+x_580 = lean_ctor_get(x_571, 3);
+lean_inc(x_580);
+x_581 = lean_ctor_get(x_571, 4);
+lean_inc(x_581);
+x_582 = lean_ctor_get(x_571, 5);
+lean_inc(x_582);
+if (lean_is_exclusive(x_571)) {
+ lean_ctor_release(x_571, 0);
+ lean_ctor_release(x_571, 1);
+ lean_ctor_release(x_571, 2);
+ lean_ctor_release(x_571, 3);
+ lean_ctor_release(x_571, 4);
+ lean_ctor_release(x_571, 5);
+ x_583 = x_571;
 } else {
- lean_dec_ref(x_576);
- x_579 = lean_box(0);
+ lean_dec_ref(x_571);
+ x_583 = lean_box(0);
 }
-x_580 = l_Lean_Expr_hasMVar(x_1);
-if (x_580 == 0)
-{
-uint8_t x_581; 
-x_581 = l_Lean_Expr_hasMVar(x_577);
-if (x_581 == 0)
-{
-lean_object* x_582; lean_object* x_583; lean_object* x_584; lean_object* x_585; lean_object* x_586; lean_object* x_587; lean_object* x_588; lean_object* x_589; lean_object* x_590; lean_object* x_591; lean_object* x_592; lean_object* x_593; lean_object* x_594; lean_object* x_595; lean_object* x_596; lean_object* x_597; lean_object* x_598; lean_object* x_599; lean_object* x_600; lean_object* x_601; lean_object* x_602; lean_object* x_603; lean_object* x_604; lean_object* x_605; lean_object* x_606; 
-lean_dec(x_579);
-x_582 = lean_st_ref_get(x_5, x_578);
-lean_dec(x_5);
-x_583 = lean_ctor_get(x_582, 1);
-lean_inc(x_583);
-lean_dec(x_582);
-x_584 = lean_st_ref_take(x_3, x_583);
-x_585 = lean_ctor_get(x_584, 0);
-lean_inc(x_585);
-x_586 = lean_ctor_get(x_585, 1);
-lean_inc(x_586);
-x_587 = lean_ctor_get(x_584, 1);
-lean_inc(x_587);
-lean_dec(x_584);
-x_588 = lean_ctor_get(x_585, 0);
+lean_inc(x_562);
+x_584 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_577, x_1, x_562);
+if (lean_is_scalar(x_583)) {
+ x_585 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_585 = x_583;
+}
+lean_ctor_set(x_585, 0, x_584);
+lean_ctor_set(x_585, 1, x_578);
+lean_ctor_set(x_585, 2, x_579);
+lean_ctor_set(x_585, 3, x_580);
+lean_ctor_set(x_585, 4, x_581);
+lean_ctor_set(x_585, 5, x_582);
+if (lean_is_scalar(x_576)) {
+ x_586 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_586 = x_576;
+}
+lean_ctor_set(x_586, 0, x_573);
+lean_ctor_set(x_586, 1, x_585);
+lean_ctor_set(x_586, 2, x_574);
+lean_ctor_set(x_586, 3, x_575);
+x_587 = lean_st_ref_set(x_3, x_586, x_572);
+lean_dec(x_3);
+x_588 = lean_ctor_get(x_587, 1);
 lean_inc(x_588);
-x_589 = lean_ctor_get(x_585, 2);
-lean_inc(x_589);
-x_590 = lean_ctor_get(x_585, 3);
-lean_inc(x_590);
-if (lean_is_exclusive(x_585)) {
- lean_ctor_release(x_585, 0);
- lean_ctor_release(x_585, 1);
- lean_ctor_release(x_585, 2);
- lean_ctor_release(x_585, 3);
- x_591 = x_585;
+if (lean_is_exclusive(x_587)) {
+ lean_ctor_release(x_587, 0);
+ lean_ctor_release(x_587, 1);
+ x_589 = x_587;
 } else {
- lean_dec_ref(x_585);
- x_591 = lean_box(0);
+ lean_dec_ref(x_587);
+ x_589 = lean_box(0);
 }
-x_592 = lean_ctor_get(x_586, 0);
-lean_inc(x_592);
-x_593 = lean_ctor_get(x_586, 1);
+if (lean_is_scalar(x_589)) {
+ x_590 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_590 = x_589;
+}
+lean_ctor_set(x_590, 0, x_562);
+lean_ctor_set(x_590, 1, x_588);
+return x_590;
+}
+else
+{
+lean_object* x_591; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_564)) {
+ x_591 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_591 = x_564;
+}
+lean_ctor_set(x_591, 0, x_562);
+lean_ctor_set(x_591, 1, x_563);
+return x_591;
+}
+}
+else
+{
+lean_object* x_592; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_564)) {
+ x_592 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_592 = x_564;
+}
+lean_ctor_set(x_592, 0, x_562);
+lean_ctor_set(x_592, 1, x_563);
+return x_592;
+}
+}
+else
+{
+lean_object* x_593; lean_object* x_594; lean_object* x_595; lean_object* x_596; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_593 = lean_ctor_get(x_561, 0);
 lean_inc(x_593);
-x_594 = lean_ctor_get(x_586, 2);
+x_594 = lean_ctor_get(x_561, 1);
 lean_inc(x_594);
-x_595 = lean_ctor_get(x_586, 3);
-lean_inc(x_595);
-x_596 = lean_ctor_get(x_586, 4);
-lean_inc(x_596);
-x_597 = lean_ctor_get(x_586, 5);
-lean_inc(x_597);
-x_598 = lean_ctor_get(x_586, 6);
-lean_inc(x_598);
-if (lean_is_exclusive(x_586)) {
- lean_ctor_release(x_586, 0);
- lean_ctor_release(x_586, 1);
- lean_ctor_release(x_586, 2);
- lean_ctor_release(x_586, 3);
- lean_ctor_release(x_586, 4);
- lean_ctor_release(x_586, 5);
- lean_ctor_release(x_586, 6);
- x_599 = x_586;
+if (lean_is_exclusive(x_561)) {
+ lean_ctor_release(x_561, 0);
+ lean_ctor_release(x_561, 1);
+ x_595 = x_561;
 } else {
- lean_dec_ref(x_586);
- x_599 = lean_box(0);
+ lean_dec_ref(x_561);
+ x_595 = lean_box(0);
 }
-lean_inc(x_577);
-x_600 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_592, x_1, x_577);
-if (lean_is_scalar(x_599)) {
- x_601 = lean_alloc_ctor(0, 7, 0);
+if (lean_is_scalar(x_595)) {
+ x_596 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_601 = x_599;
+ x_596 = x_595;
 }
-lean_ctor_set(x_601, 0, x_600);
-lean_ctor_set(x_601, 1, x_593);
-lean_ctor_set(x_601, 2, x_594);
-lean_ctor_set(x_601, 3, x_595);
-lean_ctor_set(x_601, 4, x_596);
-lean_ctor_set(x_601, 5, x_597);
-lean_ctor_set(x_601, 6, x_598);
-if (lean_is_scalar(x_591)) {
- x_602 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_602 = x_591;
-}
-lean_ctor_set(x_602, 0, x_588);
-lean_ctor_set(x_602, 1, x_601);
-lean_ctor_set(x_602, 2, x_589);
-lean_ctor_set(x_602, 3, x_590);
-x_603 = lean_st_ref_set(x_3, x_602, x_587);
-lean_dec(x_3);
-x_604 = lean_ctor_get(x_603, 1);
-lean_inc(x_604);
-if (lean_is_exclusive(x_603)) {
- lean_ctor_release(x_603, 0);
- lean_ctor_release(x_603, 1);
- x_605 = x_603;
-} else {
- lean_dec_ref(x_603);
- x_605 = lean_box(0);
-}
-if (lean_is_scalar(x_605)) {
- x_606 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_606 = x_605;
-}
-lean_ctor_set(x_606, 0, x_577);
-lean_ctor_set(x_606, 1, x_604);
-return x_606;
-}
-else
-{
-lean_object* x_607; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-if (lean_is_scalar(x_579)) {
- x_607 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_607 = x_579;
-}
-lean_ctor_set(x_607, 0, x_577);
-lean_ctor_set(x_607, 1, x_578);
-return x_607;
+lean_ctor_set(x_596, 0, x_593);
+lean_ctor_set(x_596, 1, x_594);
+return x_596;
 }
 }
 else
 {
-lean_object* x_608; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-if (lean_is_scalar(x_579)) {
- x_608 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_608 = x_579;
-}
-lean_ctor_set(x_608, 0, x_577);
-lean_ctor_set(x_608, 1, x_578);
-return x_608;
-}
-}
-else
-{
-lean_object* x_609; lean_object* x_610; lean_object* x_611; lean_object* x_612; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_609 = lean_ctor_get(x_576, 0);
-lean_inc(x_609);
-x_610 = lean_ctor_get(x_576, 1);
-lean_inc(x_610);
-if (lean_is_exclusive(x_576)) {
- lean_ctor_release(x_576, 0);
- lean_ctor_release(x_576, 1);
- x_611 = x_576;
-} else {
- lean_dec_ref(x_576);
- x_611 = lean_box(0);
-}
-if (lean_is_scalar(x_611)) {
- x_612 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_612 = x_611;
-}
-lean_ctor_set(x_612, 0, x_609);
-lean_ctor_set(x_612, 1, x_610);
-return x_612;
-}
-}
-else
-{
-lean_object* x_613; lean_object* x_614; 
-lean_dec(x_472);
-lean_dec(x_471);
-lean_dec(x_470);
+lean_object* x_597; lean_object* x_598; 
+lean_dec(x_460);
+lean_dec(x_459);
+lean_dec(x_458);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_613 = lean_ctor_get(x_575, 0);
-lean_inc(x_613);
-lean_dec(x_575);
-x_614 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_614, 0, x_613);
-lean_ctor_set(x_614, 1, x_572);
-return x_614;
+x_597 = lean_ctor_get(x_560, 0);
+lean_inc(x_597);
+lean_dec(x_560);
+x_598 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_598, 0, x_597);
+lean_ctor_set(x_598, 1, x_557);
+return x_598;
 }
 }
 }
 default: 
 {
-lean_object* x_615; lean_object* x_616; lean_object* x_617; uint8_t x_618; 
-x_615 = lean_st_ref_get(x_5, x_6);
-x_616 = lean_ctor_get(x_615, 1);
-lean_inc(x_616);
-lean_dec(x_615);
-x_617 = lean_st_ref_get(x_3, x_616);
-x_618 = !lean_is_exclusive(x_617);
-if (x_618 == 0)
+lean_object* x_599; lean_object* x_600; lean_object* x_601; uint8_t x_602; 
+x_599 = lean_st_ref_get(x_5, x_6);
+x_600 = lean_ctor_get(x_599, 1);
+lean_inc(x_600);
+lean_dec(x_599);
+x_601 = lean_st_ref_get(x_3, x_600);
+x_602 = !lean_is_exclusive(x_601);
+if (x_602 == 0)
 {
-lean_object* x_619; lean_object* x_620; lean_object* x_621; lean_object* x_622; lean_object* x_623; 
-x_619 = lean_ctor_get(x_617, 0);
-x_620 = lean_ctor_get(x_617, 1);
-x_621 = lean_ctor_get(x_619, 1);
-lean_inc(x_621);
-lean_dec(x_619);
-x_622 = lean_ctor_get(x_621, 0);
-lean_inc(x_622);
-lean_dec(x_621);
+lean_object* x_603; lean_object* x_604; lean_object* x_605; lean_object* x_606; lean_object* x_607; 
+x_603 = lean_ctor_get(x_601, 0);
+x_604 = lean_ctor_get(x_601, 1);
+x_605 = lean_ctor_get(x_603, 1);
+lean_inc(x_605);
+lean_dec(x_603);
+x_606 = lean_ctor_get(x_605, 0);
+lean_inc(x_606);
+lean_dec(x_605);
 lean_inc(x_1);
-x_623 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_622, x_1);
-if (lean_obj_tag(x_623) == 0)
+x_607 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_606, x_1);
+if (lean_obj_tag(x_607) == 0)
 {
-lean_object* x_624; lean_object* x_625; 
-lean_free_object(x_617);
-x_624 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___closed__1;
+lean_object* x_608; lean_object* x_609; 
+lean_free_object(x_601);
+x_608 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___closed__1;
 lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_1);
-x_625 = l_Lean_Meta_lambdaLetTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___spec__1___rarg(x_1, x_624, x_2, x_3, x_4, x_5, x_620);
-if (lean_obj_tag(x_625) == 0)
+x_609 = l_Lean_Meta_lambdaLetTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___spec__1___rarg(x_1, x_608, x_2, x_3, x_4, x_5, x_604);
+if (lean_obj_tag(x_609) == 0)
 {
-uint8_t x_626; 
-x_626 = !lean_is_exclusive(x_625);
-if (x_626 == 0)
+uint8_t x_610; 
+x_610 = !lean_is_exclusive(x_609);
+if (x_610 == 0)
 {
-lean_object* x_627; lean_object* x_628; uint8_t x_629; 
-x_627 = lean_ctor_get(x_625, 0);
-x_628 = lean_ctor_get(x_625, 1);
-x_629 = l_Lean_Expr_hasMVar(x_1);
-if (x_629 == 0)
+lean_object* x_611; lean_object* x_612; uint8_t x_613; 
+x_611 = lean_ctor_get(x_609, 0);
+x_612 = lean_ctor_get(x_609, 1);
+x_613 = l_Lean_Expr_hasMVar(x_1);
+if (x_613 == 0)
 {
-uint8_t x_630; 
-x_630 = l_Lean_Expr_hasMVar(x_627);
-if (x_630 == 0)
+uint8_t x_614; 
+x_614 = l_Lean_Expr_hasMVar(x_611);
+if (x_614 == 0)
 {
-lean_object* x_631; lean_object* x_632; lean_object* x_633; lean_object* x_634; lean_object* x_635; lean_object* x_636; uint8_t x_637; 
-lean_free_object(x_625);
-x_631 = lean_st_ref_get(x_5, x_628);
+lean_object* x_615; lean_object* x_616; lean_object* x_617; lean_object* x_618; lean_object* x_619; lean_object* x_620; uint8_t x_621; 
+lean_free_object(x_609);
+x_615 = lean_st_ref_get(x_5, x_612);
 lean_dec(x_5);
-x_632 = lean_ctor_get(x_631, 1);
-lean_inc(x_632);
-lean_dec(x_631);
-x_633 = lean_st_ref_take(x_3, x_632);
-x_634 = lean_ctor_get(x_633, 0);
-lean_inc(x_634);
-x_635 = lean_ctor_get(x_634, 1);
-lean_inc(x_635);
-x_636 = lean_ctor_get(x_633, 1);
-lean_inc(x_636);
-lean_dec(x_633);
-x_637 = !lean_is_exclusive(x_634);
-if (x_637 == 0)
+x_616 = lean_ctor_get(x_615, 1);
+lean_inc(x_616);
+lean_dec(x_615);
+x_617 = lean_st_ref_take(x_3, x_616);
+x_618 = lean_ctor_get(x_617, 0);
+lean_inc(x_618);
+x_619 = lean_ctor_get(x_618, 1);
+lean_inc(x_619);
+x_620 = lean_ctor_get(x_617, 1);
+lean_inc(x_620);
+lean_dec(x_617);
+x_621 = !lean_is_exclusive(x_618);
+if (x_621 == 0)
 {
-lean_object* x_638; uint8_t x_639; 
-x_638 = lean_ctor_get(x_634, 1);
-lean_dec(x_638);
-x_639 = !lean_is_exclusive(x_635);
-if (x_639 == 0)
+lean_object* x_622; uint8_t x_623; 
+x_622 = lean_ctor_get(x_618, 1);
+lean_dec(x_622);
+x_623 = !lean_is_exclusive(x_619);
+if (x_623 == 0)
 {
-lean_object* x_640; lean_object* x_641; lean_object* x_642; uint8_t x_643; 
-x_640 = lean_ctor_get(x_635, 0);
-lean_inc(x_627);
-x_641 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_640, x_1, x_627);
-lean_ctor_set(x_635, 0, x_641);
-x_642 = lean_st_ref_set(x_3, x_634, x_636);
+lean_object* x_624; lean_object* x_625; lean_object* x_626; uint8_t x_627; 
+x_624 = lean_ctor_get(x_619, 0);
+lean_inc(x_611);
+x_625 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_624, x_1, x_611);
+lean_ctor_set(x_619, 0, x_625);
+x_626 = lean_st_ref_set(x_3, x_618, x_620);
 lean_dec(x_3);
-x_643 = !lean_is_exclusive(x_642);
-if (x_643 == 0)
+x_627 = !lean_is_exclusive(x_626);
+if (x_627 == 0)
 {
-lean_object* x_644; 
-x_644 = lean_ctor_get(x_642, 0);
-lean_dec(x_644);
-lean_ctor_set(x_642, 0, x_627);
+lean_object* x_628; 
+x_628 = lean_ctor_get(x_626, 0);
+lean_dec(x_628);
+lean_ctor_set(x_626, 0, x_611);
+return x_626;
+}
+else
+{
+lean_object* x_629; lean_object* x_630; 
+x_629 = lean_ctor_get(x_626, 1);
+lean_inc(x_629);
+lean_dec(x_626);
+x_630 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_630, 0, x_611);
+lean_ctor_set(x_630, 1, x_629);
+return x_630;
+}
+}
+else
+{
+lean_object* x_631; lean_object* x_632; lean_object* x_633; lean_object* x_634; lean_object* x_635; lean_object* x_636; lean_object* x_637; lean_object* x_638; lean_object* x_639; lean_object* x_640; lean_object* x_641; lean_object* x_642; 
+x_631 = lean_ctor_get(x_619, 0);
+x_632 = lean_ctor_get(x_619, 1);
+x_633 = lean_ctor_get(x_619, 2);
+x_634 = lean_ctor_get(x_619, 3);
+x_635 = lean_ctor_get(x_619, 4);
+x_636 = lean_ctor_get(x_619, 5);
+lean_inc(x_636);
+lean_inc(x_635);
+lean_inc(x_634);
+lean_inc(x_633);
+lean_inc(x_632);
+lean_inc(x_631);
+lean_dec(x_619);
+lean_inc(x_611);
+x_637 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_631, x_1, x_611);
+x_638 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_638, 0, x_637);
+lean_ctor_set(x_638, 1, x_632);
+lean_ctor_set(x_638, 2, x_633);
+lean_ctor_set(x_638, 3, x_634);
+lean_ctor_set(x_638, 4, x_635);
+lean_ctor_set(x_638, 5, x_636);
+lean_ctor_set(x_618, 1, x_638);
+x_639 = lean_st_ref_set(x_3, x_618, x_620);
+lean_dec(x_3);
+x_640 = lean_ctor_get(x_639, 1);
+lean_inc(x_640);
+if (lean_is_exclusive(x_639)) {
+ lean_ctor_release(x_639, 0);
+ lean_ctor_release(x_639, 1);
+ x_641 = x_639;
+} else {
+ lean_dec_ref(x_639);
+ x_641 = lean_box(0);
+}
+if (lean_is_scalar(x_641)) {
+ x_642 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_642 = x_641;
+}
+lean_ctor_set(x_642, 0, x_611);
+lean_ctor_set(x_642, 1, x_640);
 return x_642;
 }
+}
 else
 {
-lean_object* x_645; lean_object* x_646; 
-x_645 = lean_ctor_get(x_642, 1);
+lean_object* x_643; lean_object* x_644; lean_object* x_645; lean_object* x_646; lean_object* x_647; lean_object* x_648; lean_object* x_649; lean_object* x_650; lean_object* x_651; lean_object* x_652; lean_object* x_653; lean_object* x_654; lean_object* x_655; lean_object* x_656; lean_object* x_657; lean_object* x_658; lean_object* x_659; 
+x_643 = lean_ctor_get(x_618, 0);
+x_644 = lean_ctor_get(x_618, 2);
+x_645 = lean_ctor_get(x_618, 3);
 lean_inc(x_645);
-lean_dec(x_642);
-x_646 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_646, 0, x_627);
-lean_ctor_set(x_646, 1, x_645);
-return x_646;
-}
-}
-else
-{
-lean_object* x_647; lean_object* x_648; lean_object* x_649; lean_object* x_650; lean_object* x_651; lean_object* x_652; lean_object* x_653; lean_object* x_654; lean_object* x_655; lean_object* x_656; lean_object* x_657; lean_object* x_658; lean_object* x_659; 
-x_647 = lean_ctor_get(x_635, 0);
-x_648 = lean_ctor_get(x_635, 1);
-x_649 = lean_ctor_get(x_635, 2);
-x_650 = lean_ctor_get(x_635, 3);
-x_651 = lean_ctor_get(x_635, 4);
-x_652 = lean_ctor_get(x_635, 5);
-x_653 = lean_ctor_get(x_635, 6);
-lean_inc(x_653);
-lean_inc(x_652);
-lean_inc(x_651);
-lean_inc(x_650);
-lean_inc(x_649);
-lean_inc(x_648);
+lean_inc(x_644);
+lean_inc(x_643);
+lean_dec(x_618);
+x_646 = lean_ctor_get(x_619, 0);
+lean_inc(x_646);
+x_647 = lean_ctor_get(x_619, 1);
 lean_inc(x_647);
-lean_dec(x_635);
-lean_inc(x_627);
-x_654 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_647, x_1, x_627);
-x_655 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_655, 0, x_654);
-lean_ctor_set(x_655, 1, x_648);
-lean_ctor_set(x_655, 2, x_649);
-lean_ctor_set(x_655, 3, x_650);
-lean_ctor_set(x_655, 4, x_651);
-lean_ctor_set(x_655, 5, x_652);
-lean_ctor_set(x_655, 6, x_653);
-lean_ctor_set(x_634, 1, x_655);
-x_656 = lean_st_ref_set(x_3, x_634, x_636);
+x_648 = lean_ctor_get(x_619, 2);
+lean_inc(x_648);
+x_649 = lean_ctor_get(x_619, 3);
+lean_inc(x_649);
+x_650 = lean_ctor_get(x_619, 4);
+lean_inc(x_650);
+x_651 = lean_ctor_get(x_619, 5);
+lean_inc(x_651);
+if (lean_is_exclusive(x_619)) {
+ lean_ctor_release(x_619, 0);
+ lean_ctor_release(x_619, 1);
+ lean_ctor_release(x_619, 2);
+ lean_ctor_release(x_619, 3);
+ lean_ctor_release(x_619, 4);
+ lean_ctor_release(x_619, 5);
+ x_652 = x_619;
+} else {
+ lean_dec_ref(x_619);
+ x_652 = lean_box(0);
+}
+lean_inc(x_611);
+x_653 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_646, x_1, x_611);
+if (lean_is_scalar(x_652)) {
+ x_654 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_654 = x_652;
+}
+lean_ctor_set(x_654, 0, x_653);
+lean_ctor_set(x_654, 1, x_647);
+lean_ctor_set(x_654, 2, x_648);
+lean_ctor_set(x_654, 3, x_649);
+lean_ctor_set(x_654, 4, x_650);
+lean_ctor_set(x_654, 5, x_651);
+x_655 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_655, 0, x_643);
+lean_ctor_set(x_655, 1, x_654);
+lean_ctor_set(x_655, 2, x_644);
+lean_ctor_set(x_655, 3, x_645);
+x_656 = lean_st_ref_set(x_3, x_655, x_620);
 lean_dec(x_3);
 x_657 = lean_ctor_get(x_656, 1);
 lean_inc(x_657);
@@ -10069,510 +10059,424 @@ if (lean_is_scalar(x_658)) {
 } else {
  x_659 = x_658;
 }
-lean_ctor_set(x_659, 0, x_627);
+lean_ctor_set(x_659, 0, x_611);
 lean_ctor_set(x_659, 1, x_657);
 return x_659;
 }
 }
 else
 {
-lean_object* x_660; lean_object* x_661; lean_object* x_662; lean_object* x_663; lean_object* x_664; lean_object* x_665; lean_object* x_666; lean_object* x_667; lean_object* x_668; lean_object* x_669; lean_object* x_670; lean_object* x_671; lean_object* x_672; lean_object* x_673; lean_object* x_674; lean_object* x_675; lean_object* x_676; lean_object* x_677; 
-x_660 = lean_ctor_get(x_634, 0);
-x_661 = lean_ctor_get(x_634, 2);
-x_662 = lean_ctor_get(x_634, 3);
-lean_inc(x_662);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_609;
+}
+}
+else
+{
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_609;
+}
+}
+else
+{
+lean_object* x_660; lean_object* x_661; uint8_t x_662; 
+x_660 = lean_ctor_get(x_609, 0);
+x_661 = lean_ctor_get(x_609, 1);
 lean_inc(x_661);
 lean_inc(x_660);
-lean_dec(x_634);
-x_663 = lean_ctor_get(x_635, 0);
-lean_inc(x_663);
-x_664 = lean_ctor_get(x_635, 1);
-lean_inc(x_664);
-x_665 = lean_ctor_get(x_635, 2);
+lean_dec(x_609);
+x_662 = l_Lean_Expr_hasMVar(x_1);
+if (x_662 == 0)
+{
+uint8_t x_663; 
+x_663 = l_Lean_Expr_hasMVar(x_660);
+if (x_663 == 0)
+{
+lean_object* x_664; lean_object* x_665; lean_object* x_666; lean_object* x_667; lean_object* x_668; lean_object* x_669; lean_object* x_670; lean_object* x_671; lean_object* x_672; lean_object* x_673; lean_object* x_674; lean_object* x_675; lean_object* x_676; lean_object* x_677; lean_object* x_678; lean_object* x_679; lean_object* x_680; lean_object* x_681; lean_object* x_682; lean_object* x_683; lean_object* x_684; lean_object* x_685; lean_object* x_686; lean_object* x_687; 
+x_664 = lean_st_ref_get(x_5, x_661);
+lean_dec(x_5);
+x_665 = lean_ctor_get(x_664, 1);
 lean_inc(x_665);
-x_666 = lean_ctor_get(x_635, 3);
-lean_inc(x_666);
-x_667 = lean_ctor_get(x_635, 4);
+lean_dec(x_664);
+x_666 = lean_st_ref_take(x_3, x_665);
+x_667 = lean_ctor_get(x_666, 0);
 lean_inc(x_667);
-x_668 = lean_ctor_get(x_635, 5);
+x_668 = lean_ctor_get(x_667, 1);
 lean_inc(x_668);
-x_669 = lean_ctor_get(x_635, 6);
+x_669 = lean_ctor_get(x_666, 1);
 lean_inc(x_669);
-if (lean_is_exclusive(x_635)) {
- lean_ctor_release(x_635, 0);
- lean_ctor_release(x_635, 1);
- lean_ctor_release(x_635, 2);
- lean_ctor_release(x_635, 3);
- lean_ctor_release(x_635, 4);
- lean_ctor_release(x_635, 5);
- lean_ctor_release(x_635, 6);
- x_670 = x_635;
+lean_dec(x_666);
+x_670 = lean_ctor_get(x_667, 0);
+lean_inc(x_670);
+x_671 = lean_ctor_get(x_667, 2);
+lean_inc(x_671);
+x_672 = lean_ctor_get(x_667, 3);
+lean_inc(x_672);
+if (lean_is_exclusive(x_667)) {
+ lean_ctor_release(x_667, 0);
+ lean_ctor_release(x_667, 1);
+ lean_ctor_release(x_667, 2);
+ lean_ctor_release(x_667, 3);
+ x_673 = x_667;
 } else {
- lean_dec_ref(x_635);
- x_670 = lean_box(0);
+ lean_dec_ref(x_667);
+ x_673 = lean_box(0);
 }
-lean_inc(x_627);
-x_671 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_663, x_1, x_627);
-if (lean_is_scalar(x_670)) {
- x_672 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_672 = x_670;
-}
-lean_ctor_set(x_672, 0, x_671);
-lean_ctor_set(x_672, 1, x_664);
-lean_ctor_set(x_672, 2, x_665);
-lean_ctor_set(x_672, 3, x_666);
-lean_ctor_set(x_672, 4, x_667);
-lean_ctor_set(x_672, 5, x_668);
-lean_ctor_set(x_672, 6, x_669);
-x_673 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_673, 0, x_660);
-lean_ctor_set(x_673, 1, x_672);
-lean_ctor_set(x_673, 2, x_661);
-lean_ctor_set(x_673, 3, x_662);
-x_674 = lean_st_ref_set(x_3, x_673, x_636);
-lean_dec(x_3);
-x_675 = lean_ctor_get(x_674, 1);
+x_674 = lean_ctor_get(x_668, 0);
+lean_inc(x_674);
+x_675 = lean_ctor_get(x_668, 1);
 lean_inc(x_675);
-if (lean_is_exclusive(x_674)) {
- lean_ctor_release(x_674, 0);
- lean_ctor_release(x_674, 1);
- x_676 = x_674;
-} else {
- lean_dec_ref(x_674);
- x_676 = lean_box(0);
-}
-if (lean_is_scalar(x_676)) {
- x_677 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_677 = x_676;
-}
-lean_ctor_set(x_677, 0, x_627);
-lean_ctor_set(x_677, 1, x_675);
-return x_677;
-}
-}
-else
-{
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_625;
-}
-}
-else
-{
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-return x_625;
-}
-}
-else
-{
-lean_object* x_678; lean_object* x_679; uint8_t x_680; 
-x_678 = lean_ctor_get(x_625, 0);
-x_679 = lean_ctor_get(x_625, 1);
+x_676 = lean_ctor_get(x_668, 2);
+lean_inc(x_676);
+x_677 = lean_ctor_get(x_668, 3);
+lean_inc(x_677);
+x_678 = lean_ctor_get(x_668, 4);
+lean_inc(x_678);
+x_679 = lean_ctor_get(x_668, 5);
 lean_inc(x_679);
-lean_inc(x_678);
-lean_dec(x_625);
-x_680 = l_Lean_Expr_hasMVar(x_1);
-if (x_680 == 0)
-{
-uint8_t x_681; 
-x_681 = l_Lean_Expr_hasMVar(x_678);
-if (x_681 == 0)
-{
-lean_object* x_682; lean_object* x_683; lean_object* x_684; lean_object* x_685; lean_object* x_686; lean_object* x_687; lean_object* x_688; lean_object* x_689; lean_object* x_690; lean_object* x_691; lean_object* x_692; lean_object* x_693; lean_object* x_694; lean_object* x_695; lean_object* x_696; lean_object* x_697; lean_object* x_698; lean_object* x_699; lean_object* x_700; lean_object* x_701; lean_object* x_702; lean_object* x_703; lean_object* x_704; lean_object* x_705; lean_object* x_706; 
-x_682 = lean_st_ref_get(x_5, x_679);
-lean_dec(x_5);
-x_683 = lean_ctor_get(x_682, 1);
-lean_inc(x_683);
-lean_dec(x_682);
-x_684 = lean_st_ref_take(x_3, x_683);
-x_685 = lean_ctor_get(x_684, 0);
+if (lean_is_exclusive(x_668)) {
+ lean_ctor_release(x_668, 0);
+ lean_ctor_release(x_668, 1);
+ lean_ctor_release(x_668, 2);
+ lean_ctor_release(x_668, 3);
+ lean_ctor_release(x_668, 4);
+ lean_ctor_release(x_668, 5);
+ x_680 = x_668;
+} else {
+ lean_dec_ref(x_668);
+ x_680 = lean_box(0);
+}
+lean_inc(x_660);
+x_681 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_674, x_1, x_660);
+if (lean_is_scalar(x_680)) {
+ x_682 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_682 = x_680;
+}
+lean_ctor_set(x_682, 0, x_681);
+lean_ctor_set(x_682, 1, x_675);
+lean_ctor_set(x_682, 2, x_676);
+lean_ctor_set(x_682, 3, x_677);
+lean_ctor_set(x_682, 4, x_678);
+lean_ctor_set(x_682, 5, x_679);
+if (lean_is_scalar(x_673)) {
+ x_683 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_683 = x_673;
+}
+lean_ctor_set(x_683, 0, x_670);
+lean_ctor_set(x_683, 1, x_682);
+lean_ctor_set(x_683, 2, x_671);
+lean_ctor_set(x_683, 3, x_672);
+x_684 = lean_st_ref_set(x_3, x_683, x_669);
+lean_dec(x_3);
+x_685 = lean_ctor_get(x_684, 1);
 lean_inc(x_685);
-x_686 = lean_ctor_get(x_685, 1);
-lean_inc(x_686);
-x_687 = lean_ctor_get(x_684, 1);
-lean_inc(x_687);
-lean_dec(x_684);
-x_688 = lean_ctor_get(x_685, 0);
-lean_inc(x_688);
-x_689 = lean_ctor_get(x_685, 2);
-lean_inc(x_689);
-x_690 = lean_ctor_get(x_685, 3);
-lean_inc(x_690);
-if (lean_is_exclusive(x_685)) {
- lean_ctor_release(x_685, 0);
- lean_ctor_release(x_685, 1);
- lean_ctor_release(x_685, 2);
- lean_ctor_release(x_685, 3);
- x_691 = x_685;
+if (lean_is_exclusive(x_684)) {
+ lean_ctor_release(x_684, 0);
+ lean_ctor_release(x_684, 1);
+ x_686 = x_684;
 } else {
- lean_dec_ref(x_685);
- x_691 = lean_box(0);
+ lean_dec_ref(x_684);
+ x_686 = lean_box(0);
 }
-x_692 = lean_ctor_get(x_686, 0);
+if (lean_is_scalar(x_686)) {
+ x_687 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_687 = x_686;
+}
+lean_ctor_set(x_687, 0, x_660);
+lean_ctor_set(x_687, 1, x_685);
+return x_687;
+}
+else
+{
+lean_object* x_688; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_688 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_688, 0, x_660);
+lean_ctor_set(x_688, 1, x_661);
+return x_688;
+}
+}
+else
+{
+lean_object* x_689; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_689 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_689, 0, x_660);
+lean_ctor_set(x_689, 1, x_661);
+return x_689;
+}
+}
+}
+else
+{
+uint8_t x_690; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_690 = !lean_is_exclusive(x_609);
+if (x_690 == 0)
+{
+return x_609;
+}
+else
+{
+lean_object* x_691; lean_object* x_692; lean_object* x_693; 
+x_691 = lean_ctor_get(x_609, 0);
+x_692 = lean_ctor_get(x_609, 1);
 lean_inc(x_692);
-x_693 = lean_ctor_get(x_686, 1);
-lean_inc(x_693);
-x_694 = lean_ctor_get(x_686, 2);
-lean_inc(x_694);
-x_695 = lean_ctor_get(x_686, 3);
-lean_inc(x_695);
-x_696 = lean_ctor_get(x_686, 4);
-lean_inc(x_696);
-x_697 = lean_ctor_get(x_686, 5);
-lean_inc(x_697);
-x_698 = lean_ctor_get(x_686, 6);
-lean_inc(x_698);
-if (lean_is_exclusive(x_686)) {
- lean_ctor_release(x_686, 0);
- lean_ctor_release(x_686, 1);
- lean_ctor_release(x_686, 2);
- lean_ctor_release(x_686, 3);
- lean_ctor_release(x_686, 4);
- lean_ctor_release(x_686, 5);
- lean_ctor_release(x_686, 6);
- x_699 = x_686;
-} else {
- lean_dec_ref(x_686);
- x_699 = lean_box(0);
-}
-lean_inc(x_678);
-x_700 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_692, x_1, x_678);
-if (lean_is_scalar(x_699)) {
- x_701 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_701 = x_699;
-}
-lean_ctor_set(x_701, 0, x_700);
-lean_ctor_set(x_701, 1, x_693);
-lean_ctor_set(x_701, 2, x_694);
-lean_ctor_set(x_701, 3, x_695);
-lean_ctor_set(x_701, 4, x_696);
-lean_ctor_set(x_701, 5, x_697);
-lean_ctor_set(x_701, 6, x_698);
-if (lean_is_scalar(x_691)) {
- x_702 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_702 = x_691;
-}
-lean_ctor_set(x_702, 0, x_688);
-lean_ctor_set(x_702, 1, x_701);
-lean_ctor_set(x_702, 2, x_689);
-lean_ctor_set(x_702, 3, x_690);
-x_703 = lean_st_ref_set(x_3, x_702, x_687);
-lean_dec(x_3);
-x_704 = lean_ctor_get(x_703, 1);
-lean_inc(x_704);
-if (lean_is_exclusive(x_703)) {
- lean_ctor_release(x_703, 0);
- lean_ctor_release(x_703, 1);
- x_705 = x_703;
-} else {
- lean_dec_ref(x_703);
- x_705 = lean_box(0);
-}
-if (lean_is_scalar(x_705)) {
- x_706 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_706 = x_705;
-}
-lean_ctor_set(x_706, 0, x_678);
-lean_ctor_set(x_706, 1, x_704);
-return x_706;
-}
-else
-{
-lean_object* x_707; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_707 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_707, 0, x_678);
-lean_ctor_set(x_707, 1, x_679);
-return x_707;
-}
-}
-else
-{
-lean_object* x_708; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_708 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_708, 0, x_678);
-lean_ctor_set(x_708, 1, x_679);
-return x_708;
+lean_inc(x_691);
+lean_dec(x_609);
+x_693 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_693, 0, x_691);
+lean_ctor_set(x_693, 1, x_692);
+return x_693;
 }
 }
 }
 else
 {
-uint8_t x_709; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_709 = !lean_is_exclusive(x_625);
-if (x_709 == 0)
-{
-return x_625;
-}
-else
-{
-lean_object* x_710; lean_object* x_711; lean_object* x_712; 
-x_710 = lean_ctor_get(x_625, 0);
-x_711 = lean_ctor_get(x_625, 1);
-lean_inc(x_711);
-lean_inc(x_710);
-lean_dec(x_625);
-x_712 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_712, 0, x_710);
-lean_ctor_set(x_712, 1, x_711);
-return x_712;
-}
-}
-}
-else
-{
-lean_object* x_713; 
+lean_object* x_694; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_713 = lean_ctor_get(x_623, 0);
-lean_inc(x_713);
-lean_dec(x_623);
-lean_ctor_set(x_617, 0, x_713);
-return x_617;
+x_694 = lean_ctor_get(x_607, 0);
+lean_inc(x_694);
+lean_dec(x_607);
+lean_ctor_set(x_601, 0, x_694);
+return x_601;
 }
 }
 else
 {
-lean_object* x_714; lean_object* x_715; lean_object* x_716; lean_object* x_717; lean_object* x_718; 
-x_714 = lean_ctor_get(x_617, 0);
-x_715 = lean_ctor_get(x_617, 1);
-lean_inc(x_715);
-lean_inc(x_714);
-lean_dec(x_617);
-x_716 = lean_ctor_get(x_714, 1);
-lean_inc(x_716);
-lean_dec(x_714);
-x_717 = lean_ctor_get(x_716, 0);
-lean_inc(x_717);
-lean_dec(x_716);
+lean_object* x_695; lean_object* x_696; lean_object* x_697; lean_object* x_698; lean_object* x_699; 
+x_695 = lean_ctor_get(x_601, 0);
+x_696 = lean_ctor_get(x_601, 1);
+lean_inc(x_696);
+lean_inc(x_695);
+lean_dec(x_601);
+x_697 = lean_ctor_get(x_695, 1);
+lean_inc(x_697);
+lean_dec(x_695);
+x_698 = lean_ctor_get(x_697, 0);
+lean_inc(x_698);
+lean_dec(x_697);
 lean_inc(x_1);
-x_718 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_717, x_1);
-if (lean_obj_tag(x_718) == 0)
+x_699 = l_Std_PersistentHashMap_find_x3f___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__1(x_698, x_1);
+if (lean_obj_tag(x_699) == 0)
 {
-lean_object* x_719; lean_object* x_720; 
-x_719 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___closed__1;
+lean_object* x_700; lean_object* x_701; 
+x_700 = l___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___closed__1;
 lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_1);
-x_720 = l_Lean_Meta_lambdaLetTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___spec__1___rarg(x_1, x_719, x_2, x_3, x_4, x_5, x_715);
-if (lean_obj_tag(x_720) == 0)
+x_701 = l_Lean_Meta_lambdaLetTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferLambdaType___spec__1___rarg(x_1, x_700, x_2, x_3, x_4, x_5, x_696);
+if (lean_obj_tag(x_701) == 0)
 {
-lean_object* x_721; lean_object* x_722; lean_object* x_723; uint8_t x_724; 
-x_721 = lean_ctor_get(x_720, 0);
-lean_inc(x_721);
-x_722 = lean_ctor_get(x_720, 1);
-lean_inc(x_722);
-if (lean_is_exclusive(x_720)) {
- lean_ctor_release(x_720, 0);
- lean_ctor_release(x_720, 1);
- x_723 = x_720;
+lean_object* x_702; lean_object* x_703; lean_object* x_704; uint8_t x_705; 
+x_702 = lean_ctor_get(x_701, 0);
+lean_inc(x_702);
+x_703 = lean_ctor_get(x_701, 1);
+lean_inc(x_703);
+if (lean_is_exclusive(x_701)) {
+ lean_ctor_release(x_701, 0);
+ lean_ctor_release(x_701, 1);
+ x_704 = x_701;
 } else {
- lean_dec_ref(x_720);
+ lean_dec_ref(x_701);
+ x_704 = lean_box(0);
+}
+x_705 = l_Lean_Expr_hasMVar(x_1);
+if (x_705 == 0)
+{
+uint8_t x_706; 
+x_706 = l_Lean_Expr_hasMVar(x_702);
+if (x_706 == 0)
+{
+lean_object* x_707; lean_object* x_708; lean_object* x_709; lean_object* x_710; lean_object* x_711; lean_object* x_712; lean_object* x_713; lean_object* x_714; lean_object* x_715; lean_object* x_716; lean_object* x_717; lean_object* x_718; lean_object* x_719; lean_object* x_720; lean_object* x_721; lean_object* x_722; lean_object* x_723; lean_object* x_724; lean_object* x_725; lean_object* x_726; lean_object* x_727; lean_object* x_728; lean_object* x_729; lean_object* x_730; 
+lean_dec(x_704);
+x_707 = lean_st_ref_get(x_5, x_703);
+lean_dec(x_5);
+x_708 = lean_ctor_get(x_707, 1);
+lean_inc(x_708);
+lean_dec(x_707);
+x_709 = lean_st_ref_take(x_3, x_708);
+x_710 = lean_ctor_get(x_709, 0);
+lean_inc(x_710);
+x_711 = lean_ctor_get(x_710, 1);
+lean_inc(x_711);
+x_712 = lean_ctor_get(x_709, 1);
+lean_inc(x_712);
+lean_dec(x_709);
+x_713 = lean_ctor_get(x_710, 0);
+lean_inc(x_713);
+x_714 = lean_ctor_get(x_710, 2);
+lean_inc(x_714);
+x_715 = lean_ctor_get(x_710, 3);
+lean_inc(x_715);
+if (lean_is_exclusive(x_710)) {
+ lean_ctor_release(x_710, 0);
+ lean_ctor_release(x_710, 1);
+ lean_ctor_release(x_710, 2);
+ lean_ctor_release(x_710, 3);
+ x_716 = x_710;
+} else {
+ lean_dec_ref(x_710);
+ x_716 = lean_box(0);
+}
+x_717 = lean_ctor_get(x_711, 0);
+lean_inc(x_717);
+x_718 = lean_ctor_get(x_711, 1);
+lean_inc(x_718);
+x_719 = lean_ctor_get(x_711, 2);
+lean_inc(x_719);
+x_720 = lean_ctor_get(x_711, 3);
+lean_inc(x_720);
+x_721 = lean_ctor_get(x_711, 4);
+lean_inc(x_721);
+x_722 = lean_ctor_get(x_711, 5);
+lean_inc(x_722);
+if (lean_is_exclusive(x_711)) {
+ lean_ctor_release(x_711, 0);
+ lean_ctor_release(x_711, 1);
+ lean_ctor_release(x_711, 2);
+ lean_ctor_release(x_711, 3);
+ lean_ctor_release(x_711, 4);
+ lean_ctor_release(x_711, 5);
+ x_723 = x_711;
+} else {
+ lean_dec_ref(x_711);
  x_723 = lean_box(0);
 }
-x_724 = l_Lean_Expr_hasMVar(x_1);
-if (x_724 == 0)
-{
-uint8_t x_725; 
-x_725 = l_Lean_Expr_hasMVar(x_721);
-if (x_725 == 0)
-{
-lean_object* x_726; lean_object* x_727; lean_object* x_728; lean_object* x_729; lean_object* x_730; lean_object* x_731; lean_object* x_732; lean_object* x_733; lean_object* x_734; lean_object* x_735; lean_object* x_736; lean_object* x_737; lean_object* x_738; lean_object* x_739; lean_object* x_740; lean_object* x_741; lean_object* x_742; lean_object* x_743; lean_object* x_744; lean_object* x_745; lean_object* x_746; lean_object* x_747; lean_object* x_748; lean_object* x_749; lean_object* x_750; 
-lean_dec(x_723);
-x_726 = lean_st_ref_get(x_5, x_722);
-lean_dec(x_5);
-x_727 = lean_ctor_get(x_726, 1);
-lean_inc(x_727);
-lean_dec(x_726);
-x_728 = lean_st_ref_take(x_3, x_727);
-x_729 = lean_ctor_get(x_728, 0);
-lean_inc(x_729);
-x_730 = lean_ctor_get(x_729, 1);
-lean_inc(x_730);
-x_731 = lean_ctor_get(x_728, 1);
-lean_inc(x_731);
-lean_dec(x_728);
-x_732 = lean_ctor_get(x_729, 0);
-lean_inc(x_732);
-x_733 = lean_ctor_get(x_729, 2);
-lean_inc(x_733);
-x_734 = lean_ctor_get(x_729, 3);
-lean_inc(x_734);
-if (lean_is_exclusive(x_729)) {
- lean_ctor_release(x_729, 0);
- lean_ctor_release(x_729, 1);
- lean_ctor_release(x_729, 2);
- lean_ctor_release(x_729, 3);
- x_735 = x_729;
+lean_inc(x_702);
+x_724 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_717, x_1, x_702);
+if (lean_is_scalar(x_723)) {
+ x_725 = lean_alloc_ctor(0, 6, 0);
 } else {
- lean_dec_ref(x_729);
+ x_725 = x_723;
+}
+lean_ctor_set(x_725, 0, x_724);
+lean_ctor_set(x_725, 1, x_718);
+lean_ctor_set(x_725, 2, x_719);
+lean_ctor_set(x_725, 3, x_720);
+lean_ctor_set(x_725, 4, x_721);
+lean_ctor_set(x_725, 5, x_722);
+if (lean_is_scalar(x_716)) {
+ x_726 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_726 = x_716;
+}
+lean_ctor_set(x_726, 0, x_713);
+lean_ctor_set(x_726, 1, x_725);
+lean_ctor_set(x_726, 2, x_714);
+lean_ctor_set(x_726, 3, x_715);
+x_727 = lean_st_ref_set(x_3, x_726, x_712);
+lean_dec(x_3);
+x_728 = lean_ctor_get(x_727, 1);
+lean_inc(x_728);
+if (lean_is_exclusive(x_727)) {
+ lean_ctor_release(x_727, 0);
+ lean_ctor_release(x_727, 1);
+ x_729 = x_727;
+} else {
+ lean_dec_ref(x_727);
+ x_729 = lean_box(0);
+}
+if (lean_is_scalar(x_729)) {
+ x_730 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_730 = x_729;
+}
+lean_ctor_set(x_730, 0, x_702);
+lean_ctor_set(x_730, 1, x_728);
+return x_730;
+}
+else
+{
+lean_object* x_731; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_704)) {
+ x_731 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_731 = x_704;
+}
+lean_ctor_set(x_731, 0, x_702);
+lean_ctor_set(x_731, 1, x_703);
+return x_731;
+}
+}
+else
+{
+lean_object* x_732; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+if (lean_is_scalar(x_704)) {
+ x_732 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_732 = x_704;
+}
+lean_ctor_set(x_732, 0, x_702);
+lean_ctor_set(x_732, 1, x_703);
+return x_732;
+}
+}
+else
+{
+lean_object* x_733; lean_object* x_734; lean_object* x_735; lean_object* x_736; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_733 = lean_ctor_get(x_701, 0);
+lean_inc(x_733);
+x_734 = lean_ctor_get(x_701, 1);
+lean_inc(x_734);
+if (lean_is_exclusive(x_701)) {
+ lean_ctor_release(x_701, 0);
+ lean_ctor_release(x_701, 1);
+ x_735 = x_701;
+} else {
+ lean_dec_ref(x_701);
  x_735 = lean_box(0);
 }
-x_736 = lean_ctor_get(x_730, 0);
-lean_inc(x_736);
-x_737 = lean_ctor_get(x_730, 1);
-lean_inc(x_737);
-x_738 = lean_ctor_get(x_730, 2);
-lean_inc(x_738);
-x_739 = lean_ctor_get(x_730, 3);
-lean_inc(x_739);
-x_740 = lean_ctor_get(x_730, 4);
-lean_inc(x_740);
-x_741 = lean_ctor_get(x_730, 5);
-lean_inc(x_741);
-x_742 = lean_ctor_get(x_730, 6);
-lean_inc(x_742);
-if (lean_is_exclusive(x_730)) {
- lean_ctor_release(x_730, 0);
- lean_ctor_release(x_730, 1);
- lean_ctor_release(x_730, 2);
- lean_ctor_release(x_730, 3);
- lean_ctor_release(x_730, 4);
- lean_ctor_release(x_730, 5);
- lean_ctor_release(x_730, 6);
- x_743 = x_730;
-} else {
- lean_dec_ref(x_730);
- x_743 = lean_box(0);
-}
-lean_inc(x_721);
-x_744 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_InferType_0__Lean_Meta_checkInferTypeCache___spec__4(x_736, x_1, x_721);
-if (lean_is_scalar(x_743)) {
- x_745 = lean_alloc_ctor(0, 7, 0);
-} else {
- x_745 = x_743;
-}
-lean_ctor_set(x_745, 0, x_744);
-lean_ctor_set(x_745, 1, x_737);
-lean_ctor_set(x_745, 2, x_738);
-lean_ctor_set(x_745, 3, x_739);
-lean_ctor_set(x_745, 4, x_740);
-lean_ctor_set(x_745, 5, x_741);
-lean_ctor_set(x_745, 6, x_742);
 if (lean_is_scalar(x_735)) {
- x_746 = lean_alloc_ctor(0, 4, 0);
+ x_736 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_746 = x_735;
+ x_736 = x_735;
 }
-lean_ctor_set(x_746, 0, x_732);
-lean_ctor_set(x_746, 1, x_745);
-lean_ctor_set(x_746, 2, x_733);
-lean_ctor_set(x_746, 3, x_734);
-x_747 = lean_st_ref_set(x_3, x_746, x_731);
-lean_dec(x_3);
-x_748 = lean_ctor_get(x_747, 1);
-lean_inc(x_748);
-if (lean_is_exclusive(x_747)) {
- lean_ctor_release(x_747, 0);
- lean_ctor_release(x_747, 1);
- x_749 = x_747;
-} else {
- lean_dec_ref(x_747);
- x_749 = lean_box(0);
-}
-if (lean_is_scalar(x_749)) {
- x_750 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_750 = x_749;
-}
-lean_ctor_set(x_750, 0, x_721);
-lean_ctor_set(x_750, 1, x_748);
-return x_750;
-}
-else
-{
-lean_object* x_751; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-if (lean_is_scalar(x_723)) {
- x_751 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_751 = x_723;
-}
-lean_ctor_set(x_751, 0, x_721);
-lean_ctor_set(x_751, 1, x_722);
-return x_751;
+lean_ctor_set(x_736, 0, x_733);
+lean_ctor_set(x_736, 1, x_734);
+return x_736;
 }
 }
 else
 {
-lean_object* x_752; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-if (lean_is_scalar(x_723)) {
- x_752 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_752 = x_723;
-}
-lean_ctor_set(x_752, 0, x_721);
-lean_ctor_set(x_752, 1, x_722);
-return x_752;
-}
-}
-else
-{
-lean_object* x_753; lean_object* x_754; lean_object* x_755; lean_object* x_756; 
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_1);
-x_753 = lean_ctor_get(x_720, 0);
-lean_inc(x_753);
-x_754 = lean_ctor_get(x_720, 1);
-lean_inc(x_754);
-if (lean_is_exclusive(x_720)) {
- lean_ctor_release(x_720, 0);
- lean_ctor_release(x_720, 1);
- x_755 = x_720;
-} else {
- lean_dec_ref(x_720);
- x_755 = lean_box(0);
-}
-if (lean_is_scalar(x_755)) {
- x_756 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_756 = x_755;
-}
-lean_ctor_set(x_756, 0, x_753);
-lean_ctor_set(x_756, 1, x_754);
-return x_756;
-}
-}
-else
-{
-lean_object* x_757; lean_object* x_758; 
+lean_object* x_737; lean_object* x_738; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_757 = lean_ctor_get(x_718, 0);
-lean_inc(x_757);
-lean_dec(x_718);
-x_758 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_758, 0, x_757);
-lean_ctor_set(x_758, 1, x_715);
-return x_758;
+x_737 = lean_ctor_get(x_699, 0);
+lean_inc(x_737);
+lean_dec(x_699);
+x_738 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_738, 0, x_737);
+lean_ctor_set(x_738, 1, x_696);
+return x_738;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Injective.c b/stage0/stdlib/Lean/Meta/Injective.c
index 5a3c98ba50..cc70536e4a 100644
--- a/stage0/stdlib/Lean/Meta/Injective.c
+++ b/stage0/stdlib/Lean/Meta/Injective.c
@@ -26,6 +26,7 @@ lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_injTheoremFailureHeader___closed__4;
 lean_object* lean_array_uget(lean_object*, size_t);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Meta_Injective_0__Lean_Meta_solveEqOfCtorEq___spec__1___closed__1;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
@@ -49,8 +50,6 @@ lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*)
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremValue___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1;
-lean_object* l_Lean_Meta_casesAnd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_injTheoremFailureHeader___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_elimOptParam(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_throwInjectiveTheoremFailure___rarg___closed__1;
@@ -77,7 +76,6 @@ static lean_object* l_Lean_Meta_mkInjectiveTheoremNameFor___closed__2;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 uint8_t l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__4;
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_mkInjectiveEqTheoremNameFor___closed__2;
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__2;
 static lean_object* l_Lean_Meta_mkInjectiveTheoremNameFor___closed__1;
@@ -89,6 +87,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiv
 extern lean_object* l_Lean_Meta_simpExtension;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+lean_object* l_Lean_MVarId_substEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f_mkArgs2(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assumptionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f_mkArgs2___closed__3;
@@ -97,6 +96,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Injective_0_
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_injTheoremFailureHeader___closed__2;
 lean_object* l_Array_back___rarg(lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheorem___closed__1;
 lean_object* l_Lean_MVarId_apply(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Environment_contains(lean_object*, lean_object*);
@@ -109,18 +109,19 @@ static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTh
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
 uint8_t l_Array_isEmpty___rarg(lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_solveEqOfCtorEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_transform___at_Lean_Core_betaReduce___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_injTheoremFailureHeader(lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_throwInjectiveTheoremFailure(lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4;
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__5;
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f___spec__2(size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forM___at___private_Lean_Meta_Injective_0__Lean_Meta_solveEqOfCtorEq___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3;
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Meta_Injective_0__Lean_Meta_mkAnd_x3f___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -130,18 +131,16 @@ LEAN_EXPORT lean_object* l_Lean_Meta_mkInjectiveTheoremNameFor(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__1;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_substEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782_(lean_object*);
 lean_object* l_Lean_Option_register___at_Std_Format_initFn____x40_Lean_Data_Format___hyg_58____spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkInjectiveTheoremNameFor___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheorem(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3;
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewBinderInfos___at_Lean_Meta_withInstImplicitAsImplict___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4;
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2;
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Injective_0__Lean_Meta_solveEqOfCtorEq___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremTypeCore_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_mapTRAux___at_Lean_mkConstWithLevelParams___spec__1(lean_object*, lean_object*);
@@ -168,6 +167,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_elimOptParam___lambda__1(lean_object*, lean
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_injection(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_elimOptParam___closed__2;
+lean_object* l_Lean_MVarId_casesAnd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveTheoremType_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_occurs(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -3211,7 +3211,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_49 = l_Lean_Meta_casesAnd(x_46, x_4, x_5, x_6, x_7, x_48);
+x_49 = l_Lean_MVarId_casesAnd(x_46, x_4, x_5, x_6, x_7, x_48);
 if (lean_obj_tag(x_49) == 0)
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; 
@@ -3224,7 +3224,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_52 = l_Lean_Meta_substEqs(x_50, x_4, x_5, x_6, x_7, x_51);
+x_52 = l_Lean_MVarId_substEqs(x_50, x_4, x_5, x_6, x_7, x_51);
 if (lean_obj_tag(x_52) == 0)
 {
 lean_object* x_53; 
@@ -3260,7 +3260,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_61 = l_Lean_Meta_applyRefl(x_59, x_60, x_4, x_5, x_6, x_7, x_58);
+x_61 = l_Lean_MVarId_applyRefl(x_59, x_60, x_4, x_5, x_6, x_7, x_58);
 if (lean_obj_tag(x_61) == 0)
 {
 lean_object* x_62; uint8_t x_63; uint8_t x_64; lean_object* x_65; 
@@ -3904,7 +3904,7 @@ return x_87;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -3912,17 +3912,17 @@ x_1 = lean_mk_string_from_bytes("genInjectivity", 14);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -3930,13 +3930,13 @@ x_1 = lean_mk_string_from_bytes("generate injectivity theorems for inductive dat
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4() {
+static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 1;
 x_2 = l___private_Lean_Meta_Injective_0__Lean_Meta_throwInjectiveTheoremFailure___rarg___closed__1;
-x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3;
+x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -3945,12 +3945,12 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2;
-x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4;
+x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2;
+x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4;
 x_4 = l_Lean_Option_register___at_Std_Format_initFn____x40_Lean_Data_Format___hyg_58____spec__1(x_2, x_3, x_1);
 return x_4;
 }
@@ -4678,15 +4678,15 @@ l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda_
 lean_mark_persistent(l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheoremValue___lambda__2___closed__7);
 l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheorem___closed__1 = _init_l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheorem___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Injective_0__Lean_Meta_mkInjectiveEqTheorem___closed__1);
-l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__1);
-l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__2);
-l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__3);
-l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4();
-lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785____closed__4);
-if (builtin) {res = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1785_(lean_io_mk_world());
+l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__1);
+l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__2);
+l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__3);
+l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4 = _init_l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4();
+lean_mark_persistent(l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782____closed__4);
+if (builtin) {res = l_Lean_Meta_initFn____x40_Lean_Meta_Injective___hyg_1782_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Meta_genInjectivity = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Meta_genInjectivity);
diff --git a/stage0/stdlib/Lean/Meta/Instances.c b/stage0/stdlib/Lean/Meta/Instances.c
index 1456040772..ea000efd43 100644
--- a/stage0/stdlib/Lean/Meta/Instances.c
+++ b/stage0/stdlib/Lean/Meta/Instances.c
@@ -3282,14 +3282,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addInstance___spec__2___close
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addInstance___spec__2___closed__4;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addInstance___spec__2___closed__5;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addInstance___spec__2___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -4239,23 +4238,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Instances___hyg_500____lambda__1___closed__10() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Instances___hyg_500____lambda__1___closed__8;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Instances___hyg_500____lambda__1___closed__9;
 x_4 = l_Std_PersistentHashMap_empty___at_Lean_Meta_Instances_instanceNames___default___spec__1___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Instances___hyg_500____lambda__1___closed__11() {
diff --git a/stage0/stdlib/Lean/Meta/LevelDefEq.c b/stage0/stdlib/Lean/Meta/LevelDefEq.c
index 446f96dbc7..3d68e3de69 100644
--- a/stage0/stdlib/Lean/Meta/LevelDefEq.c
+++ b/stage0/stdlib/Lean/Meta/LevelDefEq.c
@@ -64,7 +64,6 @@ lean_object* l_Lean_mkLevelMax_x27(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_LevelDefEq_0__Lean_Meta_mkMaxArgsDiff___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwIsDefEqStuck___rarg(lean_object*);
 lean_object* l_instInhabited___rarg(lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_LevelDefEq_0__Lean_Meta_strictOccursMax_visit(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_LevelDefEq_0__Lean_Meta_postponeIsLevelDefEq___closed__5;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -2186,7 +2185,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__2;
-x_3 = lean_unsigned_to_nat(361u);
+x_3 = lean_unsigned_to_nat(344u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -2196,101 +2195,97 @@ return x_6;
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_9, 1);
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 2);
-lean_inc(x_16);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-lean_dec(x_15);
-lean_free_object(x_11);
-x_18 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__4;
-x_19 = l_panic___at_Lean_Meta_isLevelDefEqAuxImpl___spec__3(x_18, x_2, x_3, x_4, x_5, x_14);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_ctor_get(x_15, 0);
-lean_inc(x_21);
-lean_dec(x_15);
-x_22 = lean_nat_dec_eq(x_20, x_21);
-lean_dec(x_21);
-lean_dec(x_20);
-x_23 = lean_box(x_22);
-lean_ctor_set(x_11, 0, x_23);
-return x_11;
-}
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_24 = lean_ctor_get(x_11, 0);
-x_25 = lean_ctor_get(x_11, 1);
-lean_inc(x_25);
-lean_inc(x_24);
+lean_inc(x_13);
 lean_dec(x_11);
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = lean_ctor_get(x_26, 2);
-lean_inc(x_27);
-x_28 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_27, x_1);
-if (lean_obj_tag(x_28) == 0)
+x_14 = lean_ctor_get(x_13, 2);
+lean_inc(x_14);
+x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_14, x_1);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_26);
-x_29 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__4;
-x_30 = l_panic___at_Lean_Meta_isLevelDefEqAuxImpl___spec__3(x_29, x_2, x_3, x_4, x_5, x_25);
-return x_30;
+lean_object* x_16; lean_object* x_17; 
+lean_dec(x_13);
+lean_free_object(x_9);
+x_16 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__4;
+x_17 = l_panic___at_Lean_Meta_isLevelDefEqAuxImpl___spec__3(x_16, x_2, x_3, x_4, x_5, x_12);
+return x_17;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_31 = lean_ctor_get(x_28, 0);
-lean_inc(x_31);
-lean_dec(x_28);
-x_32 = lean_ctor_get(x_26, 0);
-lean_inc(x_32);
+x_18 = lean_ctor_get(x_15, 0);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = lean_ctor_get(x_13, 0);
+lean_inc(x_19);
+lean_dec(x_13);
+x_20 = lean_nat_dec_eq(x_18, x_19);
+lean_dec(x_19);
+lean_dec(x_18);
+x_21 = lean_box(x_20);
+lean_ctor_set(x_9, 0, x_21);
+return x_9;
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_ctor_get(x_24, 2);
+lean_inc(x_25);
+x_26 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_25, x_1);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; lean_object* x_28; 
+lean_dec(x_24);
+x_27 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__4;
+x_28 = l_panic___at_Lean_Meta_isLevelDefEqAuxImpl___spec__3(x_27, x_2, x_3, x_4, x_5, x_23);
+return x_28;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_29 = lean_ctor_get(x_26, 0);
+lean_inc(x_29);
 lean_dec(x_26);
-x_33 = lean_nat_dec_eq(x_31, x_32);
-lean_dec(x_32);
-lean_dec(x_31);
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_25);
-return x_35;
+x_30 = lean_ctor_get(x_24, 0);
+lean_inc(x_30);
+lean_dec(x_24);
+x_31 = lean_nat_dec_eq(x_29, x_30);
+lean_dec(x_30);
+lean_dec(x_29);
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_23);
+return x_33;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Match/Match.c b/stage0/stdlib/Lean/Meta/Match/Match.c
index b918448f85..3f50b298ae 100644
--- a/stage0/stdlib/Lean/Meta/Match/Match.c
+++ b/stage0/stdlib/Lean/Meta/Match/Match.c
@@ -26,7 +26,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_Li
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns___closed__1;
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldrM___at_Lean_Meta_Match_withCleanLCtxFor___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__16___at_Lean_Meta_Match_mkMatcher___spec__17(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -126,6 +125,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__4(le
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_search(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__17___closed__2;
 lean_object* l_Lean_EnvExtensionInterfaceUnsafe_registerExt___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__22(lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -263,8 +263,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_un
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_State_fvarSubst___default;
 extern lean_object* l_Lean_levelZero;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__5;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4;
 lean_object* lean_nat_add(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwInductiveTypeExpected___rarg___closed__4;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___spec__1(lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___lambda__1___closed__4;
@@ -291,8 +291,9 @@ lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1___closed__2;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__3;
 size_t lean_uint64_to_usize(uint64_t);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14685_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14683_(lean_object*);
 lean_object* l_Lean_Expr_FindImpl_findUnsafe_x3f(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8;
 uint8_t l_Lean_Environment_hasUnsafe(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNextPatternTypes(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -301,7 +302,6 @@ static lean_object* l_Lean_Meta_Match_assignGoalOf___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__18(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasVarPattern(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__19___boxed(lean_object**);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__16(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandNatValuePattern___spec__1___closed__4;
@@ -334,11 +334,10 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInp
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandNatValuePattern___spec__1___closed__2;
 uint8_t l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_Meta_Match_MkMatcherInput_collectFVars___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__6(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__8(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__18;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -373,7 +372,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_wi
 static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1___closed__6;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_getMkMatcherInputInContext___spec__5(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandNatValuePattern___spec__1___closed__1;
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_assign___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_Alt_checkAndReplaceFVarId(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasArrayLitPattern(lean_object*);
@@ -416,6 +414,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_Li
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__14;
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isVariableTransition(lean_object*);
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
@@ -435,6 +434,7 @@ lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_unify_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasNonTrivialExample(lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1;
 lean_object* l_Lean_ConstantInfo_name(lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___lambda__1___closed__3;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__3;
@@ -547,10 +547,10 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNextPatternTypes___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_mapTRAux___at_Lean_Meta_substCore___spec__6(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_mul(size_t, size_t);
 lean_object* l_Lean_Meta_Closure_mkValueTypeClosure(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_getMkMatcherInputInContext___lambda__3___closed__2;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_processInaccessibleAsCtor___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__2___closed__4;
@@ -602,16 +602,15 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_wi
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at_Lean_Meta_MatcherApp_addArg___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_MkMatcherInput_collectDependencies___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__5___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Match_mkMatcher___spec__13(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_isCurrVarInductive___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__7(lean_object*, lean_object*, size_t, size_t, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6;
 lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_Unify_assign___closed__2;
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_getNumEqsFromDiscrInfos(lean_object*);
@@ -624,7 +623,6 @@ LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Meta_Match_Match_0__Le
 static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__2___closed__3;
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwInductiveTypeExpected___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1(uint8_t, uint8_t);
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___spec__1___closed__1;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_checkVarDeps___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -632,6 +630,7 @@ static lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___close
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1(uint8_t, uint8_t);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___closed__5;
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
@@ -663,22 +662,24 @@ LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Me
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_assignGoalOf___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t lean_usize_dec_le(size_t, size_t);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_withAlts_loop___rarg___closed__6;
 lean_object* l_Lean_Meta_Match_Problem_toMessageData(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_Pattern_applyFVarSubst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2;
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___spec__1___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_unify___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasCtorPattern___boxed(lean_object*);
 static lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__1;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible___spec__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcher___lambda__3___boxed(lean_object**);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_insert(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_isCurrVarInductive(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_checkNumPatterns___spec__1(lean_object*, uint8_t, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__3___closed__1;
@@ -687,7 +688,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM__
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__15(lean_object*, lean_object*, size_t, size_t, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_unify_x3f___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasNonTrivialExample___boxed(lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1;
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldrMAux___at_Lean_Meta_Match_withCleanLCtxFor___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1___closed__1;
 lean_object* l_Lean_Meta_isLevelDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -703,7 +703,6 @@ static lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_withCleanLCtxFor___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_processInaccessibleAsCtor___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasValPattern___spec__1(uint8_t, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2;
 static lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___spec__1___closed__2;
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processSkipInaccessible(lean_object*);
@@ -724,6 +723,7 @@ static lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Nat_foldAux___at_Lean_Meta_Match_mkMatcher___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__8___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_traceState(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processArrayLit___spec__5(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__5___closed__2;
@@ -733,6 +733,7 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isNatValueTransition(lean_object*);
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_hasAsPattern___boxed(lean_object*);
 lean_object* l_Lean_Meta_caseValues(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
@@ -768,6 +769,7 @@ LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_Match_mkMatcher___spec__
 LEAN_EXPORT lean_object* l_List_filterTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__6___closed__1;
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isValueTransition___boxed(lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___lambda__3___closed__1;
@@ -836,15 +838,15 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__3(le
 static lean_object* l_Lean_Meta_Match_mkMatcher___lambda__6___closed__3;
 lean_object* l_Lean_Meta_Match_examplesToMessageData(lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_expandVarIntoCtor_x3f___lambda__4___closed__5;
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 static size_t l_Std_PersistentHashMap_findAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__10___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_State_used___default;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_occurs___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_Meta_Match_mkMatcherAuxDefinition___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__8;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3;
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateLambdaAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__3___boxed(lean_object*, lean_object*, lean_object*);
@@ -935,7 +937,6 @@ static lean_object* l_Lean_addTrace___at___private_Lean_Meta_Match_Match_0__Lean
 static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_tryToProcess___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at_Lean_Meta_MatcherApp_addArg___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_caseArraySizes(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_MatcherApp_addArg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_updateAlts___closed__2;
 LEAN_EXPORT lean_object* l_List_filterMapM_loop___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processNonVariable___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -943,10 +944,9 @@ lean_object* l_Lean_Meta_Match_Alt_applyFVarSubst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_List_moveToFront_loop___spec__1(lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwCasesException___rarg___closed__12;
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Meta_Match_withCleanLCtxFor___spec__11(lean_object*, lean_object*, size_t, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403_(lean_object*);
 static lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__10___lambda__2___closed__1;
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_Match_withMkMatcherInput___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_process_tryToProcess___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processAsPattern___spec__1___closed__1;
@@ -955,10 +955,10 @@ lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_isArrayLitTransition___spec__1(uint8_t, lean_object*);
 static lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processValue___spec__10___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_isAltVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processConstructor___spec__5(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_processLeaf___closed__4;
 static lean_object* l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_throwInductiveTypeExpected___rarg___closed__2;
+static lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_moveToFront___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_Unify_expandIfVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_Match_mkMatcher___spec__7___boxed(lean_object*, lean_object*, lean_object*);
@@ -4676,7 +4676,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_9);
-x_11 = l_Lean_Meta_contradictionCore(x_9, x_10, x_3, x_4, x_5, x_6, x_7);
+x_11 = l_Lean_MVarId_contradictionCore(x_9, x_10, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_11) == 0)
 {
 lean_object* x_12; uint8_t x_13; 
@@ -11326,6 +11326,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -11421,6 +11422,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -11507,6 +11509,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_12);
 x_39 = !lean_is_exclusive(x_38);
 if (x_39 == 0)
 {
@@ -11558,6 +11561,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_12);
 x_51 = !lean_is_exclusive(x_50);
 if (x_51 == 0)
 {
@@ -11602,6 +11606,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_12);
 x_18 = !lean_is_exclusive(x_17);
 if (x_18 == 0)
 {
@@ -23076,7 +23081,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -23084,17 +23089,17 @@ x_1 = lean_mk_string_from_bytes("bootstrap", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -23102,17 +23107,17 @@ x_1 = lean_mk_string_from_bytes("genMatcherCode", 14);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -23120,13 +23125,13 @@ x_1 = lean_mk_string_from_bytes("disable code generation for auxiliary matcher f
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 1;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1;
-x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1;
+x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -23135,17 +23140,17 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4;
-x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4;
+x_3 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6;
 x_4 = l_Lean_Option_register___at_Std_Format_initFn____x40_Lean_Data_Format___hyg_58____spec__1(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1(uint8_t x_1, uint8_t x_2) {
+LEAN_EXPORT uint8_t l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1(uint8_t x_1, uint8_t x_2) {
 _start:
 {
 if (x_1 == 0)
@@ -23169,37 +23174,37 @@ return x_2;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1___boxed), 2, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1___boxed), 2, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1;
 x_2 = lean_alloc_closure((void*)(l_instBEq___rarg), 3, 1);
 lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Expr_instBEqExpr;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2;
 x_3 = lean_alloc_closure((void*)(l_instBEqProd___rarg), 4, 2);
 lean_closure_set(x_3, 0, x_1);
 lean_closure_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -23207,19 +23212,19 @@ x_1 = lean_alloc_closure((void*)(l_instHashableBool___boxed), 1, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Expr_instHashableExpr;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4;
 x_3 = lean_alloc_closure((void*)(l_instHashableProd___rarg___boxed), 3, 2);
 lean_closure_set(x_3, 0, x_1);
 lean_closure_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6() {
 _start:
 {
 lean_object* x_1; 
@@ -23227,21 +23232,21 @@ x_1 = l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -23249,26 +23254,26 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9() {
+static lean_object* _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8;
 x_2 = lean_alloc_closure((void*)(l_EStateM_pure___rarg), 2, 1);
 lean_closure_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9;
 x_3 = l_Lean_EnvExtensionInterfaceUnsafe_registerExt___rarg(x_2, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; uint8_t x_4; uint8_t x_5; lean_object* x_6; 
@@ -23276,7 +23281,7 @@ x_3 = lean_unbox(x_1);
 lean_dec(x_1);
 x_4 = lean_unbox(x_2);
 lean_dec(x_2);
-x_5 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____lambda__1(x_3, x_4);
+x_5 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____lambda__1(x_3, x_4);
 x_6 = lean_box(x_5);
 return x_6;
 }
@@ -24449,7 +24454,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -24472,7 +24477,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -24492,7 +24497,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -24504,7 +24509,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -24538,7 +24543,7 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -24554,14 +24559,13 @@ x_1 = l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__4;
 x_2 = l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__6;
 x_3 = l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__7;
 x_4 = l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__2___closed__10;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -25044,8 +25048,8 @@ static lean_object* _init_l_Lean_Meta_Match_mkMatcherAuxDefinition___lambda__4__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3;
-x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5;
+x_1 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3;
+x_2 = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5;
 x_3 = l_Std_PersistentHashMap_instInhabitedPersistentHashMap___rarg(x_1, x_2);
 return x_3;
 }
@@ -36904,7 +36908,7 @@ return x_21;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14685_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14683_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -37390,42 +37394,42 @@ l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__1
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__1);
 l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__2 = _init_l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__2();
 lean_mark_persistent(l___private_Lean_Meta_Match_Match_0__Lean_Meta_Match_getUElimPos_x3f___closed__2);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__1);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__2);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__3);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__4);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__5);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375____closed__6);
-if (builtin) {res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10375_(lean_io_mk_world());
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__1);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__2);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__3);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__4);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__5);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373____closed__6);
+if (builtin) {res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10373_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Meta_Match_bootstrap_genMatcherCode = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Meta_Match_bootstrap_genMatcherCode);
 lean_dec_ref(res);
-}l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__1);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__2);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__3);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__4);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__5);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__6);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__7);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__8);
-l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9();
-lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405____closed__9);
-if (builtin) {res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10405_(lean_io_mk_world());
+}l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__1);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__2);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__3);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__4);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__5);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__6);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__7);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__8);
+l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9 = _init_l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9();
+lean_mark_persistent(l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403____closed__9);
+if (builtin) {res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_Match___hyg_10403_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Meta_Match_matcherExt = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Meta_Match_matcherExt);
@@ -37562,7 +37566,7 @@ l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__3 = _init_l_Lean_Meta_Matche
 lean_mark_persistent(l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__3);
 l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4 = _init_l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4();
 lean_mark_persistent(l_Lean_Meta_MatcherApp_addArg___lambda__4___closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14685_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Match_Match___hyg_14683_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Match/MatchEqs.c b/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
index 3b365fe4d9..dab57be271 100644
--- a/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
+++ b/stage0/stdlib/Lean/Meta/Match/MatchEqs.c
@@ -270,7 +270,6 @@ lean_object* l_Lean_Expr_mvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Match_forallAltTelescope_go___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof___closed__2;
 lean_object* l_panic___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_SimpH_processNextEq___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_substSomeVar___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__3___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -378,6 +377,7 @@ lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_withSplitterAlts_go___rarg___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_withNewAlts(lean_object*);
 size_t lean_usize_shift_left(size_t, size_t);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_mkMap___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_proveSubgoalLoop___closed__1;
@@ -398,7 +398,6 @@ static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSp
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertCastEqRec___spec__8___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_panic___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertCastEqRec_go___spec__1___closed__2;
-lean_object* l_Lean_Meta_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_reverse___rarg(lean_object*);
 static lean_object* l_Lean_Meta_Match_forallAltTelescope_go___rarg___closed__9;
@@ -413,7 +412,6 @@ uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__3___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__4___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__5___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_SimpH_applySubst(lean_object*, lean_object*);
-lean_object* l_Lean_Meta_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_simpH_x3f___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertCastEqRec___spec__8___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Match_forallAltTelescope_go___rarg___closed__1;
@@ -471,6 +469,7 @@ static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_simp
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkEquationsFor___lambda__4___closed__3;
 lean_object* l_Lean_Meta_matchEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkEquationsFor___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_casesOnStuckLHS_findFVar_x3f___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__12___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Meta_InferType_0__Lean_Meta_inferForallType___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -526,7 +525,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Match_M
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withIncRecDepth___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__18(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_simpH_x3f___closed__3;
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12709_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12704_(lean_object*);
 static lean_object* l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_proveSubgoalLoop___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertCastEqRec___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertTemplate___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -608,6 +607,7 @@ static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Match_MatchE
 lean_object* l_ST_Prim_Ref_modifyGetUnsafe___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_instantiate_rev(lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_mkSplitterProof_convertCastEqRec___spec__8___lambda__9___closed__1;
 static lean_object* l_Lean_Meta_casesOnStuckLHS_findFVar_x3f___lambda__1___closed__3;
@@ -6118,7 +6118,7 @@ _start:
 {
 lean_object* x_7; lean_object* x_8; 
 x_7 = l___private_Lean_Meta_Match_MatchEqs_0__Lean_Meta_Match_SimpH_contradiction___closed__1;
-x_8 = l_Lean_Meta_contradictionCore(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
+x_8 = l_Lean_MVarId_contradictionCore(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
 return x_8;
 }
 }
@@ -11738,7 +11738,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_12);
-x_42 = l_Lean_Meta_applyRefl(x_12, x_41, x_5, x_6, x_7, x_8, x_40);
+x_42 = l_Lean_MVarId_applyRefl(x_12, x_41, x_5, x_6, x_7, x_8, x_40);
 if (lean_obj_tag(x_42) == 0)
 {
 lean_object* x_43; lean_object* x_44; 
@@ -11759,6 +11759,7 @@ x_45 = lean_ctor_get(x_42, 1);
 lean_inc(x_45);
 lean_dec(x_42);
 x_46 = l_Lean_Meta_SavedState_restore(x_39, x_5, x_6, x_7, x_8, x_45);
+lean_dec(x_39);
 x_47 = lean_ctor_get(x_46, 1);
 lean_inc(x_47);
 lean_dec(x_46);
@@ -11774,7 +11775,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_12);
-x_52 = l_Lean_Meta_contradiction(x_12, x_51, x_5, x_6, x_7, x_8, x_50);
+x_52 = l_Lean_MVarId_contradiction(x_12, x_51, x_5, x_6, x_7, x_8, x_50);
 if (lean_obj_tag(x_52) == 0)
 {
 uint8_t x_53; 
@@ -11812,6 +11813,7 @@ x_59 = lean_ctor_get(x_52, 1);
 lean_inc(x_59);
 lean_dec(x_52);
 x_60 = l_Lean_Meta_SavedState_restore(x_49, x_5, x_6, x_7, x_8, x_59);
+lean_dec(x_49);
 x_61 = lean_ctor_get(x_60, 1);
 lean_inc(x_61);
 lean_dec(x_60);
@@ -11841,6 +11843,7 @@ x_66 = lean_ctor_get(x_65, 1);
 lean_inc(x_66);
 lean_dec(x_65);
 x_67 = l_Lean_Meta_SavedState_restore(x_63, x_5, x_6, x_7, x_8, x_66);
+lean_dec(x_63);
 x_68 = lean_ctor_get(x_67, 1);
 lean_inc(x_68);
 lean_dec(x_67);
@@ -11902,6 +11905,7 @@ block_127:
 {
 lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_100; 
 x_73 = l_Lean_Meta_SavedState_restore(x_70, x_5, x_6, x_7, x_8, x_72);
+lean_dec(x_70);
 x_74 = lean_ctor_get(x_73, 1);
 lean_inc(x_74);
 lean_dec(x_73);
@@ -12013,6 +12017,7 @@ block_99:
 {
 lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; 
 x_80 = l_Lean_Meta_SavedState_restore(x_77, x_5, x_6, x_7, x_8, x_79);
+lean_dec(x_77);
 x_81 = lean_ctor_get(x_80, 1);
 lean_inc(x_81);
 lean_dec(x_80);
@@ -12042,6 +12047,7 @@ x_86 = lean_ctor_get(x_85, 1);
 lean_inc(x_86);
 lean_dec(x_85);
 x_87 = l_Lean_Meta_SavedState_restore(x_83, x_5, x_6, x_7, x_8, x_86);
+lean_dec(x_83);
 x_88 = lean_ctor_get(x_87, 1);
 lean_inc(x_88);
 lean_dec(x_87);
@@ -32862,7 +32868,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_1);
-x_24 = l_Lean_Meta_contradictionCore(x_1, x_23, x_4, x_5, x_6, x_7, x_20);
+x_24 = l_Lean_MVarId_contradictionCore(x_1, x_23, x_4, x_5, x_6, x_7, x_20);
 if (lean_obj_tag(x_24) == 0)
 {
 lean_object* x_25; uint8_t x_26; 
@@ -37990,7 +37996,7 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12709_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12704_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -38460,7 +38466,7 @@ l_Std_PersistentHashMap_findAux___at_Lean_Meta_Match_getEquationsForImpl___spec_
 l_Std_PersistentHashMap_findAux___at_Lean_Meta_Match_getEquationsForImpl___spec__2___closed__2 = _init_l_Std_PersistentHashMap_findAux___at_Lean_Meta_Match_getEquationsForImpl___spec__2___closed__2();
 l_Lean_Meta_Match_getEquationsForImpl___closed__1 = _init_l_Lean_Meta_Match_getEquationsForImpl___closed__1();
 lean_mark_persistent(l_Lean_Meta_Match_getEquationsForImpl___closed__1);
-res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12709_(lean_io_mk_world());
+res = l_Lean_Meta_Match_initFn____x40_Lean_Meta_Match_MatchEqs___hyg_12704_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Match/MatcherInfo.c b/stage0/stdlib/Lean/Meta/Match/MatcherInfo.c
index c9e032c59e..24421b72ff 100644
--- a/stage0/stdlib/Lean/Meta/Match/MatcherInfo.c
+++ b/stage0/stdlib/Lean/Meta/Match/MatcherInfo.c
@@ -2151,14 +2151,13 @@ x_1 = l_Lean_Meta_Match_addMatcherInfo___closed__2;
 x_2 = l_Lean_Meta_Match_addMatcherInfo___closed__4;
 x_3 = l_Lean_Meta_Match_addMatcherInfo___closed__5;
 x_4 = l_Lean_Meta_Match_addMatcherInfo___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/PPGoal.c b/stage0/stdlib/Lean/Meta/PPGoal.c
index cb3bd5ce9a..301abf44d4 100644
--- a/stage0/stdlib/Lean/Meta/PPGoal.c
+++ b/stage0/stdlib/Lean/Meta/PPGoal.c
@@ -136,6 +136,7 @@ static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_PPGoal___hyg_6____closed
 LEAN_EXPORT lean_object* l_Std_RBNode_ins___at_Lean_Meta_ToHide_moveToHiddeProp___spec__2(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ppGoal___closed__3;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__23(lean_object*, lean_object*, size_t, size_t);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__48(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_ppGoal_ppVars___closed__5;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -336,7 +337,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Meta
 static lean_object* l_Lean_Meta_getGoalPrefix___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__29___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__17(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_getGoalPrefix___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getGoalPrefix___boxed(lean_object*);
@@ -4361,7 +4361,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -5121,7 +5121,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -5881,7 +5881,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -6641,7 +6641,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -7401,7 +7401,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -8161,7 +8161,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -8921,7 +8921,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -9681,7 +9681,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -9995,7 +9995,7 @@ uint8_t x_10;
 x_10 = lean_ctor_get_uint8(x_3, sizeof(void*)*1 + 1);
 if (x_10 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_11 = l_Lean_LocalDecl_type(x_1);
 lean_dec(x_1);
 x_12 = lean_st_ref_get(x_8, x_9);
@@ -10011,236 +10011,171 @@ lean_dec(x_14);
 x_17 = lean_ctor_get(x_15, 0);
 lean_inc(x_17);
 lean_dec(x_15);
-x_116 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_17);
-x_118 = l_Lean_Expr_hasFVar(x_11);
-if (x_118 == 0)
+x_18 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
+lean_inc(x_17);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+x_20 = l_Lean_Expr_hasFVar(x_11);
+if (x_20 == 0)
 {
-uint8_t x_119; 
-x_119 = l_Lean_Expr_hasMVar(x_11);
-if (x_119 == 0)
+uint8_t x_21; 
+x_21 = l_Lean_Expr_hasMVar(x_11);
+if (x_21 == 0)
 {
-uint8_t x_120; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+lean_dec(x_19);
 lean_dec(x_11);
 lean_dec(x_2);
-x_120 = 0;
-x_18 = x_120;
-x_19 = x_117;
-goto block_115;
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__1(x_2, x_11, x_117);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
-lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
-lean_dec(x_122);
-x_18 = x_124;
-x_19 = x_123;
-goto block_115;
-}
-}
-else
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; 
-x_125 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__9(x_2, x_11, x_117);
-x_126 = lean_ctor_get(x_125, 0);
-lean_inc(x_126);
-x_127 = lean_ctor_get(x_125, 1);
-lean_inc(x_127);
-lean_dec(x_125);
-x_128 = lean_unbox(x_126);
-lean_dec(x_126);
-x_18 = x_128;
-x_19 = x_127;
-goto block_115;
-}
-block_115:
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_get(x_8, x_16);
-x_22 = lean_ctor_get(x_21, 1);
-lean_inc(x_22);
-lean_dec(x_21);
-x_23 = lean_st_ref_take(x_6, x_22);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get_uint8(x_20, sizeof(void*)*8);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_26 = lean_ctor_get(x_24, 0);
+x_22 = lean_st_ref_get(x_8, x_16);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = lean_st_ref_take(x_6, x_23);
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_dec(x_23);
-x_28 = lean_ctor_get(x_20, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 1);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_20, 2);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_20, 3);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_20, 4);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_20, 5);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_20, 6);
+lean_dec(x_24);
+x_27 = !lean_is_exclusive(x_25);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_28 = lean_ctor_get(x_25, 0);
+lean_dec(x_28);
+lean_ctor_set(x_25, 0, x_17);
+x_29 = lean_st_ref_set(x_6, x_25, x_26);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
+{
+lean_object* x_31; uint8_t x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_29, 0);
+lean_dec(x_31);
+x_32 = 0;
+x_33 = lean_box(x_32);
+lean_ctor_set(x_29, 0, x_33);
+return x_29;
+}
+else
+{
+lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_29, 1);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_20, 7);
-lean_inc(x_35);
-lean_dec(x_20);
-x_36 = !lean_is_exclusive(x_24);
-if (x_36 == 0)
+lean_dec(x_29);
+x_35 = 0;
+x_36 = lean_box(x_35);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
+}
+}
+else
 {
-lean_object* x_37; uint8_t x_38; 
-x_37 = lean_ctor_get(x_24, 0);
-lean_dec(x_37);
-x_38 = !lean_is_exclusive(x_26);
-if (x_38 == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-x_39 = lean_ctor_get(x_26, 7);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 6);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 5);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 4);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 3);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 2);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 1);
-lean_dec(x_45);
-x_46 = lean_ctor_get(x_26, 0);
-lean_dec(x_46);
-lean_ctor_set(x_26, 7, x_35);
-lean_ctor_set(x_26, 6, x_34);
-lean_ctor_set(x_26, 5, x_33);
-lean_ctor_set(x_26, 4, x_32);
-lean_ctor_set(x_26, 3, x_31);
-lean_ctor_set(x_26, 2, x_30);
-lean_ctor_set(x_26, 1, x_29);
-lean_ctor_set(x_26, 0, x_28);
-x_47 = lean_st_ref_set(x_6, x_24, x_27);
-x_48 = !lean_is_exclusive(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_47, 0);
-lean_dec(x_49);
-x_50 = lean_box(x_18);
-lean_ctor_set(x_47, 0, x_50);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; lean_object* x_46; lean_object* x_47; 
+x_38 = lean_ctor_get(x_25, 1);
+x_39 = lean_ctor_get(x_25, 2);
+x_40 = lean_ctor_get(x_25, 3);
+lean_inc(x_40);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_25);
+x_41 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_41, 0, x_17);
+lean_ctor_set(x_41, 1, x_38);
+lean_ctor_set(x_41, 2, x_39);
+lean_ctor_set(x_41, 3, x_40);
+x_42 = lean_st_ref_set(x_6, x_41, x_26);
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+if (lean_is_exclusive(x_42)) {
+ lean_ctor_release(x_42, 0);
+ lean_ctor_release(x_42, 1);
+ x_44 = x_42;
+} else {
+ lean_dec_ref(x_42);
+ x_44 = lean_box(0);
+}
+x_45 = 0;
+x_46 = lean_box(x_45);
+if (lean_is_scalar(x_44)) {
+ x_47 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_47 = x_44;
+}
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_43);
 return x_47;
 }
+}
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_47, 1);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
+lean_dec(x_17);
+x_48 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__1(x_2, x_11, x_19);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 0);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = lean_ctor_get(x_49, 1);
 lean_inc(x_51);
-lean_dec(x_47);
-x_52 = lean_box(x_18);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-return x_53;
-}
+lean_dec(x_49);
+x_52 = lean_st_ref_get(x_8, x_16);
+x_53 = lean_ctor_get(x_52, 1);
+lean_inc(x_53);
+lean_dec(x_52);
+x_54 = lean_st_ref_take(x_6, x_53);
+x_55 = lean_ctor_get(x_54, 0);
+lean_inc(x_55);
+x_56 = lean_ctor_get(x_54, 1);
+lean_inc(x_56);
+lean_dec(x_54);
+x_57 = !lean_is_exclusive(x_55);
+if (x_57 == 0)
+{
+lean_object* x_58; lean_object* x_59; uint8_t x_60; 
+x_58 = lean_ctor_get(x_55, 0);
+lean_dec(x_58);
+lean_ctor_set(x_55, 0, x_51);
+x_59 = lean_st_ref_set(x_6, x_55, x_56);
+x_60 = !lean_is_exclusive(x_59);
+if (x_60 == 0)
+{
+lean_object* x_61; 
+x_61 = lean_ctor_get(x_59, 0);
+lean_dec(x_61);
+lean_ctor_set(x_59, 0, x_50);
+return x_59;
 }
 else
 {
-uint8_t x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_54 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-lean_dec(x_26);
-x_55 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_55, 0, x_28);
-lean_ctor_set(x_55, 1, x_29);
-lean_ctor_set(x_55, 2, x_30);
-lean_ctor_set(x_55, 3, x_31);
-lean_ctor_set(x_55, 4, x_32);
-lean_ctor_set(x_55, 5, x_33);
-lean_ctor_set(x_55, 6, x_34);
-lean_ctor_set(x_55, 7, x_35);
-lean_ctor_set_uint8(x_55, sizeof(void*)*8, x_54);
-lean_ctor_set(x_24, 0, x_55);
-x_56 = lean_st_ref_set(x_6, x_24, x_27);
-x_57 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_58 = x_56;
-} else {
- lean_dec_ref(x_56);
- x_58 = lean_box(0);
-}
-x_59 = lean_box(x_18);
-if (lean_is_scalar(x_58)) {
- x_60 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_60 = x_58;
-}
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_57);
-return x_60;
-}
-}
-else
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_61 = lean_ctor_get(x_24, 1);
-x_62 = lean_ctor_get(x_24, 2);
-x_63 = lean_ctor_get(x_24, 3);
-lean_inc(x_63);
+lean_object* x_62; lean_object* x_63; 
+x_62 = lean_ctor_get(x_59, 1);
 lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_24);
-x_64 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_65 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_65 = lean_box(0);
+lean_dec(x_59);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_50);
+lean_ctor_set(x_63, 1, x_62);
+return x_63;
 }
-if (lean_is_scalar(x_65)) {
- x_66 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_66 = x_65;
 }
-lean_ctor_set(x_66, 0, x_28);
-lean_ctor_set(x_66, 1, x_29);
-lean_ctor_set(x_66, 2, x_30);
-lean_ctor_set(x_66, 3, x_31);
-lean_ctor_set(x_66, 4, x_32);
-lean_ctor_set(x_66, 5, x_33);
-lean_ctor_set(x_66, 6, x_34);
-lean_ctor_set(x_66, 7, x_35);
-lean_ctor_set_uint8(x_66, sizeof(void*)*8, x_64);
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_64 = lean_ctor_get(x_55, 1);
+x_65 = lean_ctor_get(x_55, 2);
+x_66 = lean_ctor_get(x_55, 3);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_dec(x_55);
 x_67 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_61);
-lean_ctor_set(x_67, 2, x_62);
-lean_ctor_set(x_67, 3, x_63);
-x_68 = lean_st_ref_set(x_6, x_67, x_27);
+lean_ctor_set(x_67, 0, x_51);
+lean_ctor_set(x_67, 1, x_64);
+lean_ctor_set(x_67, 2, x_65);
+lean_ctor_set(x_67, 3, x_66);
+x_68 = lean_st_ref_set(x_6, x_67, x_56);
 x_69 = lean_ctor_get(x_68, 1);
 lean_inc(x_69);
 if (lean_is_exclusive(x_68)) {
@@ -10251,176 +10186,103 @@ if (lean_is_exclusive(x_68)) {
  lean_dec_ref(x_68);
  x_70 = lean_box(0);
 }
-x_71 = lean_box(x_18);
 if (lean_is_scalar(x_70)) {
- x_72 = lean_alloc_ctor(0, 2, 0);
+ x_71 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_72 = x_70;
+ x_71 = x_70;
+}
+lean_ctor_set(x_71, 0, x_50);
+lean_ctor_set(x_71, 1, x_69);
+return x_71;
 }
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_69);
-return x_72;
 }
 }
 else
 {
-lean_object* x_73; uint8_t x_74; 
-x_73 = lean_ctor_get(x_23, 1);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; 
+lean_dec(x_17);
+x_72 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__9(x_2, x_11, x_19);
+x_73 = lean_ctor_get(x_72, 1);
 lean_inc(x_73);
-lean_dec(x_23);
-x_74 = !lean_is_exclusive(x_20);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-x_75 = !lean_is_exclusive(x_24);
-if (x_75 == 0)
-{
-lean_object* x_76; uint8_t x_77; lean_object* x_78; uint8_t x_79; 
-x_76 = lean_ctor_get(x_24, 0);
+x_74 = lean_ctor_get(x_72, 0);
+lean_inc(x_74);
+lean_dec(x_72);
+x_75 = lean_ctor_get(x_73, 1);
+lean_inc(x_75);
+lean_dec(x_73);
+x_76 = lean_st_ref_get(x_8, x_16);
+x_77 = lean_ctor_get(x_76, 1);
+lean_inc(x_77);
 lean_dec(x_76);
-x_77 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_77);
-lean_ctor_set(x_24, 0, x_20);
-x_78 = lean_st_ref_set(x_6, x_24, x_73);
-x_79 = !lean_is_exclusive(x_78);
-if (x_79 == 0)
-{
-lean_object* x_80; lean_object* x_81; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_dec(x_80);
-x_81 = lean_box(x_18);
-lean_ctor_set(x_78, 0, x_81);
-return x_78;
-}
-else
-{
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_78, 1);
-lean_inc(x_82);
+x_78 = lean_st_ref_take(x_6, x_77);
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
 lean_dec(x_78);
-x_83 = lean_box(x_18);
-x_84 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_82);
-return x_84;
-}
+x_81 = !lean_is_exclusive(x_79);
+if (x_81 == 0)
+{
+lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_82 = lean_ctor_get(x_79, 0);
+lean_dec(x_82);
+lean_ctor_set(x_79, 0, x_75);
+x_83 = lean_st_ref_set(x_6, x_79, x_80);
+x_84 = !lean_is_exclusive(x_83);
+if (x_84 == 0)
+{
+lean_object* x_85; 
+x_85 = lean_ctor_get(x_83, 0);
+lean_dec(x_85);
+lean_ctor_set(x_83, 0, x_74);
+return x_83;
 }
 else
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_85 = lean_ctor_get(x_24, 1);
-x_86 = lean_ctor_get(x_24, 2);
-x_87 = lean_ctor_get(x_24, 3);
-lean_inc(x_87);
+lean_object* x_86; lean_object* x_87; 
+x_86 = lean_ctor_get(x_83, 1);
 lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_24);
-x_88 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_88);
-x_89 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_89, 0, x_20);
-lean_ctor_set(x_89, 1, x_85);
-lean_ctor_set(x_89, 2, x_86);
-lean_ctor_set(x_89, 3, x_87);
-x_90 = lean_st_ref_set(x_6, x_89, x_73);
-x_91 = lean_ctor_get(x_90, 1);
-lean_inc(x_91);
-if (lean_is_exclusive(x_90)) {
- lean_ctor_release(x_90, 0);
- lean_ctor_release(x_90, 1);
- x_92 = x_90;
-} else {
- lean_dec_ref(x_90);
- x_92 = lean_box(0);
-}
-x_93 = lean_box(x_18);
-if (lean_is_scalar(x_92)) {
- x_94 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_94 = x_92;
-}
-lean_ctor_set(x_94, 0, x_93);
-lean_ctor_set(x_94, 1, x_91);
-return x_94;
+lean_dec(x_83);
+x_87 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_87, 0, x_74);
+lean_ctor_set(x_87, 1, x_86);
+return x_87;
 }
 }
 else
 {
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
-x_95 = lean_ctor_get(x_20, 0);
-x_96 = lean_ctor_get(x_20, 1);
-x_97 = lean_ctor_get(x_20, 2);
-x_98 = lean_ctor_get(x_20, 3);
-x_99 = lean_ctor_get(x_20, 4);
-x_100 = lean_ctor_get(x_20, 5);
-x_101 = lean_ctor_get(x_20, 6);
-x_102 = lean_ctor_get(x_20, 7);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_dec(x_20);
-x_103 = lean_ctor_get(x_24, 1);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_24, 2);
-lean_inc(x_104);
-x_105 = lean_ctor_get(x_24, 3);
-lean_inc(x_105);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- lean_ctor_release(x_24, 2);
- lean_ctor_release(x_24, 3);
- x_106 = x_24;
+lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_88 = lean_ctor_get(x_79, 1);
+x_89 = lean_ctor_get(x_79, 2);
+x_90 = lean_ctor_get(x_79, 3);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_79);
+x_91 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_91, 0, x_75);
+lean_ctor_set(x_91, 1, x_88);
+lean_ctor_set(x_91, 2, x_89);
+lean_ctor_set(x_91, 3, x_90);
+x_92 = lean_st_ref_set(x_6, x_91, x_80);
+x_93 = lean_ctor_get(x_92, 1);
+lean_inc(x_93);
+if (lean_is_exclusive(x_92)) {
+ lean_ctor_release(x_92, 0);
+ lean_ctor_release(x_92, 1);
+ x_94 = x_92;
 } else {
- lean_dec_ref(x_24);
- x_106 = lean_box(0);
+ lean_dec_ref(x_92);
+ x_94 = lean_box(0);
 }
-x_107 = 1;
-x_108 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_108, 0, x_95);
-lean_ctor_set(x_108, 1, x_96);
-lean_ctor_set(x_108, 2, x_97);
-lean_ctor_set(x_108, 3, x_98);
-lean_ctor_set(x_108, 4, x_99);
-lean_ctor_set(x_108, 5, x_100);
-lean_ctor_set(x_108, 6, x_101);
-lean_ctor_set(x_108, 7, x_102);
-lean_ctor_set_uint8(x_108, sizeof(void*)*8, x_107);
-if (lean_is_scalar(x_106)) {
- x_109 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_94)) {
+ x_95 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_109 = x_106;
-}
-lean_ctor_set(x_109, 0, x_108);
-lean_ctor_set(x_109, 1, x_103);
-lean_ctor_set(x_109, 2, x_104);
-lean_ctor_set(x_109, 3, x_105);
-x_110 = lean_st_ref_set(x_6, x_109, x_73);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_112 = x_110;
-} else {
- lean_dec_ref(x_110);
- x_112 = lean_box(0);
-}
-x_113 = lean_box(x_18);
-if (lean_is_scalar(x_112)) {
- x_114 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_114 = x_112;
-}
-lean_ctor_set(x_114, 0, x_113);
-lean_ctor_set(x_114, 1, x_111);
-return x_114;
+ x_95 = x_94;
 }
+lean_ctor_set(x_95, 0, x_74);
+lean_ctor_set(x_95, 1, x_93);
+return x_95;
 }
 }
 }
@@ -10428,46 +10290,359 @@ else
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; uint8_t x_136; lean_object* x_137; lean_object* x_234; lean_object* x_235; uint8_t x_236; 
-x_129 = lean_ctor_get(x_1, 3);
-lean_inc(x_129);
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
+x_96 = lean_ctor_get(x_1, 3);
+lean_inc(x_96);
 lean_dec(x_1);
-x_130 = lean_st_ref_get(x_8, x_9);
-x_131 = lean_ctor_get(x_130, 1);
-lean_inc(x_131);
-lean_dec(x_130);
-x_132 = lean_st_ref_get(x_6, x_131);
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
+x_97 = lean_st_ref_get(x_8, x_9);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_get(x_6, x_98);
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = lean_ctor_get(x_100, 0);
+lean_inc(x_102);
+lean_dec(x_100);
+x_103 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
+lean_inc(x_102);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_103);
+lean_ctor_set(x_104, 1, x_102);
+x_105 = l_Lean_Expr_hasFVar(x_96);
+if (x_105 == 0)
+{
+uint8_t x_106; 
+x_106 = l_Lean_Expr_hasMVar(x_96);
+if (x_106 == 0)
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+lean_dec(x_104);
+lean_dec(x_96);
+lean_dec(x_2);
+x_107 = lean_st_ref_get(x_8, x_101);
+x_108 = lean_ctor_get(x_107, 1);
+lean_inc(x_108);
+lean_dec(x_107);
+x_109 = lean_st_ref_take(x_6, x_108);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
+lean_dec(x_109);
+x_112 = !lean_is_exclusive(x_110);
+if (x_112 == 0)
+{
+lean_object* x_113; lean_object* x_114; uint8_t x_115; 
+x_113 = lean_ctor_get(x_110, 0);
+lean_dec(x_113);
+lean_ctor_set(x_110, 0, x_102);
+x_114 = lean_st_ref_set(x_6, x_110, x_111);
+x_115 = !lean_is_exclusive(x_114);
+if (x_115 == 0)
+{
+lean_object* x_116; uint8_t x_117; lean_object* x_118; 
+x_116 = lean_ctor_get(x_114, 0);
+lean_dec(x_116);
+x_117 = 0;
+x_118 = lean_box(x_117);
+lean_ctor_set(x_114, 0, x_118);
+return x_114;
+}
+else
+{
+lean_object* x_119; uint8_t x_120; lean_object* x_121; lean_object* x_122; 
+x_119 = lean_ctor_get(x_114, 1);
+lean_inc(x_119);
+lean_dec(x_114);
+x_120 = 0;
+x_121 = lean_box(x_120);
+x_122 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_122, 0, x_121);
+lean_ctor_set(x_122, 1, x_119);
+return x_122;
+}
+}
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; uint8_t x_130; lean_object* x_131; lean_object* x_132; 
+x_123 = lean_ctor_get(x_110, 1);
+x_124 = lean_ctor_get(x_110, 2);
+x_125 = lean_ctor_get(x_110, 3);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_dec(x_110);
+x_126 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_126, 0, x_102);
+lean_ctor_set(x_126, 1, x_123);
+lean_ctor_set(x_126, 2, x_124);
+lean_ctor_set(x_126, 3, x_125);
+x_127 = lean_st_ref_set(x_6, x_126, x_111);
+x_128 = lean_ctor_get(x_127, 1);
+lean_inc(x_128);
+if (lean_is_exclusive(x_127)) {
+ lean_ctor_release(x_127, 0);
+ lean_ctor_release(x_127, 1);
+ x_129 = x_127;
+} else {
+ lean_dec_ref(x_127);
+ x_129 = lean_box(0);
+}
+x_130 = 0;
+x_131 = lean_box(x_130);
+if (lean_is_scalar(x_129)) {
+ x_132 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_132 = x_129;
+}
+lean_ctor_set(x_132, 0, x_131);
+lean_ctor_set(x_132, 1, x_128);
+return x_132;
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; uint8_t x_142; 
+lean_dec(x_102);
+x_133 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__17(x_2, x_96, x_104);
+x_134 = lean_ctor_get(x_133, 1);
 lean_inc(x_134);
-lean_dec(x_132);
 x_135 = lean_ctor_get(x_133, 0);
 lean_inc(x_135);
 lean_dec(x_133);
-x_234 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
-x_235 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_135);
-x_236 = l_Lean_Expr_hasFVar(x_129);
-if (x_236 == 0)
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+x_137 = lean_st_ref_get(x_8, x_101);
+x_138 = lean_ctor_get(x_137, 1);
+lean_inc(x_138);
+lean_dec(x_137);
+x_139 = lean_st_ref_take(x_6, x_138);
+x_140 = lean_ctor_get(x_139, 0);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_139, 1);
+lean_inc(x_141);
+lean_dec(x_139);
+x_142 = !lean_is_exclusive(x_140);
+if (x_142 == 0)
 {
-uint8_t x_237; 
-x_237 = l_Lean_Expr_hasMVar(x_129);
-if (x_237 == 0)
+lean_object* x_143; lean_object* x_144; uint8_t x_145; 
+x_143 = lean_ctor_get(x_140, 0);
+lean_dec(x_143);
+lean_ctor_set(x_140, 0, x_136);
+x_144 = lean_st_ref_set(x_6, x_140, x_141);
+x_145 = !lean_is_exclusive(x_144);
+if (x_145 == 0)
 {
-uint8_t x_238; 
-lean_dec(x_129);
-lean_dec(x_2);
-x_238 = 0;
-x_136 = x_238;
-x_137 = x_235;
-goto block_233;
+lean_object* x_146; 
+x_146 = lean_ctor_get(x_144, 0);
+lean_dec(x_146);
+lean_ctor_set(x_144, 0, x_135);
+return x_144;
+}
+else
+{
+lean_object* x_147; lean_object* x_148; 
+x_147 = lean_ctor_get(x_144, 1);
+lean_inc(x_147);
+lean_dec(x_144);
+x_148 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_148, 0, x_135);
+lean_ctor_set(x_148, 1, x_147);
+return x_148;
+}
+}
+else
+{
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+x_149 = lean_ctor_get(x_140, 1);
+x_150 = lean_ctor_get(x_140, 2);
+x_151 = lean_ctor_get(x_140, 3);
+lean_inc(x_151);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_dec(x_140);
+x_152 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_152, 0, x_136);
+lean_ctor_set(x_152, 1, x_149);
+lean_ctor_set(x_152, 2, x_150);
+lean_ctor_set(x_152, 3, x_151);
+x_153 = lean_st_ref_set(x_6, x_152, x_141);
+x_154 = lean_ctor_get(x_153, 1);
+lean_inc(x_154);
+if (lean_is_exclusive(x_153)) {
+ lean_ctor_release(x_153, 0);
+ lean_ctor_release(x_153, 1);
+ x_155 = x_153;
+} else {
+ lean_dec_ref(x_153);
+ x_155 = lean_box(0);
+}
+if (lean_is_scalar(x_155)) {
+ x_156 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_156 = x_155;
+}
+lean_ctor_set(x_156, 0, x_135);
+lean_ctor_set(x_156, 1, x_154);
+return x_156;
+}
+}
+}
+else
+{
+lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; 
+lean_dec(x_102);
+x_157 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__25(x_2, x_96, x_104);
+x_158 = lean_ctor_get(x_157, 1);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_157, 0);
+lean_inc(x_159);
+lean_dec(x_157);
+x_160 = lean_ctor_get(x_158, 1);
+lean_inc(x_160);
+lean_dec(x_158);
+x_161 = lean_st_ref_get(x_8, x_101);
+x_162 = lean_ctor_get(x_161, 1);
+lean_inc(x_162);
+lean_dec(x_161);
+x_163 = lean_st_ref_take(x_6, x_162);
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_163, 1);
+lean_inc(x_165);
+lean_dec(x_163);
+x_166 = !lean_is_exclusive(x_164);
+if (x_166 == 0)
+{
+lean_object* x_167; lean_object* x_168; uint8_t x_169; 
+x_167 = lean_ctor_get(x_164, 0);
+lean_dec(x_167);
+lean_ctor_set(x_164, 0, x_160);
+x_168 = lean_st_ref_set(x_6, x_164, x_165);
+x_169 = !lean_is_exclusive(x_168);
+if (x_169 == 0)
+{
+lean_object* x_170; 
+x_170 = lean_ctor_get(x_168, 0);
+lean_dec(x_170);
+lean_ctor_set(x_168, 0, x_159);
+return x_168;
+}
+else
+{
+lean_object* x_171; lean_object* x_172; 
+x_171 = lean_ctor_get(x_168, 1);
+lean_inc(x_171);
+lean_dec(x_168);
+x_172 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_172, 0, x_159);
+lean_ctor_set(x_172, 1, x_171);
+return x_172;
+}
+}
+else
+{
+lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_173 = lean_ctor_get(x_164, 1);
+x_174 = lean_ctor_get(x_164, 2);
+x_175 = lean_ctor_get(x_164, 3);
+lean_inc(x_175);
+lean_inc(x_174);
+lean_inc(x_173);
+lean_dec(x_164);
+x_176 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_176, 0, x_160);
+lean_ctor_set(x_176, 1, x_173);
+lean_ctor_set(x_176, 2, x_174);
+lean_ctor_set(x_176, 3, x_175);
+x_177 = lean_st_ref_set(x_6, x_176, x_165);
+x_178 = lean_ctor_get(x_177, 1);
+lean_inc(x_178);
+if (lean_is_exclusive(x_177)) {
+ lean_ctor_release(x_177, 0);
+ lean_ctor_release(x_177, 1);
+ x_179 = x_177;
+} else {
+ lean_dec_ref(x_177);
+ x_179 = lean_box(0);
+}
+if (lean_is_scalar(x_179)) {
+ x_180 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_180 = x_179;
+}
+lean_ctor_set(x_180, 0, x_159);
+lean_ctor_set(x_180, 1, x_178);
+return x_180;
+}
+}
+}
+else
+{
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; uint8_t x_189; lean_object* x_190; uint8_t x_216; lean_object* x_217; lean_object* x_230; lean_object* x_231; uint8_t x_232; 
+x_181 = lean_ctor_get(x_1, 3);
+lean_inc(x_181);
+x_182 = lean_ctor_get(x_1, 4);
+lean_inc(x_182);
+lean_dec(x_1);
+x_183 = lean_st_ref_get(x_8, x_9);
+x_184 = lean_ctor_get(x_183, 1);
+lean_inc(x_184);
+lean_dec(x_183);
+x_185 = lean_st_ref_get(x_6, x_184);
+x_186 = lean_ctor_get(x_185, 0);
+lean_inc(x_186);
+x_187 = lean_ctor_get(x_185, 1);
+lean_inc(x_187);
+lean_dec(x_185);
+x_188 = lean_ctor_get(x_186, 0);
+lean_inc(x_188);
+lean_dec(x_186);
+x_230 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
+x_231 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_231, 0, x_230);
+lean_ctor_set(x_231, 1, x_188);
+x_232 = l_Lean_Expr_hasFVar(x_181);
+if (x_232 == 0)
+{
+uint8_t x_233; 
+x_233 = l_Lean_Expr_hasMVar(x_181);
+if (x_233 == 0)
+{
+uint8_t x_234; 
+lean_dec(x_181);
+x_234 = 0;
+x_216 = x_234;
+x_217 = x_231;
+goto block_229;
+}
+else
+{
+lean_object* x_235; lean_object* x_236; lean_object* x_237; uint8_t x_238; 
+lean_inc(x_2);
+x_235 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__49(x_2, x_181, x_231);
+x_236 = lean_ctor_get(x_235, 0);
+lean_inc(x_236);
+x_237 = lean_ctor_get(x_235, 1);
+lean_inc(x_237);
+lean_dec(x_235);
+x_238 = lean_unbox(x_236);
+lean_dec(x_236);
+x_216 = x_238;
+x_217 = x_237;
+goto block_229;
+}
 }
 else
 {
 lean_object* x_239; lean_object* x_240; lean_object* x_241; uint8_t x_242; 
-x_239 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__17(x_2, x_129, x_235);
+lean_inc(x_2);
+x_239 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__57(x_2, x_181, x_231);
 x_240 = lean_ctor_get(x_239, 0);
 lean_inc(x_240);
 x_241 = lean_ctor_get(x_239, 1);
@@ -10475,882 +10650,153 @@ lean_inc(x_241);
 lean_dec(x_239);
 x_242 = lean_unbox(x_240);
 lean_dec(x_240);
-x_136 = x_242;
-x_137 = x_241;
-goto block_233;
+x_216 = x_242;
+x_217 = x_241;
+goto block_229;
 }
-}
-else
+block_215:
 {
-lean_object* x_243; lean_object* x_244; lean_object* x_245; uint8_t x_246; 
-x_243 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__25(x_2, x_129, x_235);
-x_244 = lean_ctor_get(x_243, 0);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_243, 1);
-lean_inc(x_245);
-lean_dec(x_243);
-x_246 = lean_unbox(x_244);
-lean_dec(x_244);
-x_136 = x_246;
-x_137 = x_245;
-goto block_233;
-}
-block_233:
-{
-lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; 
-x_138 = lean_ctor_get(x_137, 1);
-lean_inc(x_138);
-lean_dec(x_137);
-x_139 = lean_st_ref_get(x_8, x_134);
-x_140 = lean_ctor_get(x_139, 1);
-lean_inc(x_140);
-lean_dec(x_139);
-x_141 = lean_st_ref_take(x_6, x_140);
-x_142 = lean_ctor_get(x_141, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get_uint8(x_138, sizeof(void*)*8);
-if (x_143 == 0)
-{
-lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
-x_144 = lean_ctor_get(x_142, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_141, 1);
-lean_inc(x_145);
-lean_dec(x_141);
-x_146 = lean_ctor_get(x_138, 0);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_138, 1);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_138, 2);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_138, 3);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_138, 4);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_138, 5);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_138, 6);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_138, 7);
-lean_inc(x_153);
-lean_dec(x_138);
-x_154 = !lean_is_exclusive(x_142);
-if (x_154 == 0)
-{
-lean_object* x_155; uint8_t x_156; 
-x_155 = lean_ctor_get(x_142, 0);
-lean_dec(x_155);
-x_156 = !lean_is_exclusive(x_144);
-if (x_156 == 0)
-{
-lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; 
-x_157 = lean_ctor_get(x_144, 7);
-lean_dec(x_157);
-x_158 = lean_ctor_get(x_144, 6);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_144, 5);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_144, 4);
-lean_dec(x_160);
-x_161 = lean_ctor_get(x_144, 3);
-lean_dec(x_161);
-x_162 = lean_ctor_get(x_144, 2);
-lean_dec(x_162);
-x_163 = lean_ctor_get(x_144, 1);
-lean_dec(x_163);
-x_164 = lean_ctor_get(x_144, 0);
-lean_dec(x_164);
-lean_ctor_set(x_144, 7, x_153);
-lean_ctor_set(x_144, 6, x_152);
-lean_ctor_set(x_144, 5, x_151);
-lean_ctor_set(x_144, 4, x_150);
-lean_ctor_set(x_144, 3, x_149);
-lean_ctor_set(x_144, 2, x_148);
-lean_ctor_set(x_144, 1, x_147);
-lean_ctor_set(x_144, 0, x_146);
-x_165 = lean_st_ref_set(x_6, x_142, x_145);
-x_166 = !lean_is_exclusive(x_165);
-if (x_166 == 0)
-{
-lean_object* x_167; lean_object* x_168; 
-x_167 = lean_ctor_get(x_165, 0);
-lean_dec(x_167);
-x_168 = lean_box(x_136);
-lean_ctor_set(x_165, 0, x_168);
-return x_165;
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; 
-x_169 = lean_ctor_get(x_165, 1);
-lean_inc(x_169);
-lean_dec(x_165);
-x_170 = lean_box(x_136);
-x_171 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_171, 0, x_170);
-lean_ctor_set(x_171, 1, x_169);
-return x_171;
-}
-}
-else
-{
-uint8_t x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; 
-x_172 = lean_ctor_get_uint8(x_144, sizeof(void*)*8);
-lean_dec(x_144);
-x_173 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_173, 0, x_146);
-lean_ctor_set(x_173, 1, x_147);
-lean_ctor_set(x_173, 2, x_148);
-lean_ctor_set(x_173, 3, x_149);
-lean_ctor_set(x_173, 4, x_150);
-lean_ctor_set(x_173, 5, x_151);
-lean_ctor_set(x_173, 6, x_152);
-lean_ctor_set(x_173, 7, x_153);
-lean_ctor_set_uint8(x_173, sizeof(void*)*8, x_172);
-lean_ctor_set(x_142, 0, x_173);
-x_174 = lean_st_ref_set(x_6, x_142, x_145);
-x_175 = lean_ctor_get(x_174, 1);
-lean_inc(x_175);
-if (lean_is_exclusive(x_174)) {
- lean_ctor_release(x_174, 0);
- lean_ctor_release(x_174, 1);
- x_176 = x_174;
-} else {
- lean_dec_ref(x_174);
- x_176 = lean_box(0);
-}
-x_177 = lean_box(x_136);
-if (lean_is_scalar(x_176)) {
- x_178 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_178 = x_176;
-}
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_175);
-return x_178;
-}
-}
-else
-{
-lean_object* x_179; lean_object* x_180; lean_object* x_181; uint8_t x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; 
-x_179 = lean_ctor_get(x_142, 1);
-x_180 = lean_ctor_get(x_142, 2);
-x_181 = lean_ctor_get(x_142, 3);
-lean_inc(x_181);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_142);
-x_182 = lean_ctor_get_uint8(x_144, sizeof(void*)*8);
-if (lean_is_exclusive(x_144)) {
- lean_ctor_release(x_144, 0);
- lean_ctor_release(x_144, 1);
- lean_ctor_release(x_144, 2);
- lean_ctor_release(x_144, 3);
- lean_ctor_release(x_144, 4);
- lean_ctor_release(x_144, 5);
- lean_ctor_release(x_144, 6);
- lean_ctor_release(x_144, 7);
- x_183 = x_144;
-} else {
- lean_dec_ref(x_144);
- x_183 = lean_box(0);
-}
-if (lean_is_scalar(x_183)) {
- x_184 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_184 = x_183;
-}
-lean_ctor_set(x_184, 0, x_146);
-lean_ctor_set(x_184, 1, x_147);
-lean_ctor_set(x_184, 2, x_148);
-lean_ctor_set(x_184, 3, x_149);
-lean_ctor_set(x_184, 4, x_150);
-lean_ctor_set(x_184, 5, x_151);
-lean_ctor_set(x_184, 6, x_152);
-lean_ctor_set(x_184, 7, x_153);
-lean_ctor_set_uint8(x_184, sizeof(void*)*8, x_182);
-x_185 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_185, 0, x_184);
-lean_ctor_set(x_185, 1, x_179);
-lean_ctor_set(x_185, 2, x_180);
-lean_ctor_set(x_185, 3, x_181);
-x_186 = lean_st_ref_set(x_6, x_185, x_145);
-x_187 = lean_ctor_get(x_186, 1);
-lean_inc(x_187);
-if (lean_is_exclusive(x_186)) {
- lean_ctor_release(x_186, 0);
- lean_ctor_release(x_186, 1);
- x_188 = x_186;
-} else {
- lean_dec_ref(x_186);
- x_188 = lean_box(0);
-}
-x_189 = lean_box(x_136);
-if (lean_is_scalar(x_188)) {
- x_190 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_190 = x_188;
-}
-lean_ctor_set(x_190, 0, x_189);
-lean_ctor_set(x_190, 1, x_187);
-return x_190;
-}
-}
-else
-{
-lean_object* x_191; uint8_t x_192; 
-x_191 = lean_ctor_get(x_141, 1);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; 
+x_191 = lean_ctor_get(x_190, 1);
 lean_inc(x_191);
-lean_dec(x_141);
-x_192 = !lean_is_exclusive(x_138);
-if (x_192 == 0)
-{
-uint8_t x_193; 
-x_193 = !lean_is_exclusive(x_142);
-if (x_193 == 0)
-{
-lean_object* x_194; uint8_t x_195; lean_object* x_196; uint8_t x_197; 
-x_194 = lean_ctor_get(x_142, 0);
+lean_dec(x_190);
+x_192 = lean_st_ref_get(x_8, x_187);
+x_193 = lean_ctor_get(x_192, 1);
+lean_inc(x_193);
+lean_dec(x_192);
+x_194 = lean_st_ref_take(x_6, x_193);
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_194, 1);
+lean_inc(x_196);
 lean_dec(x_194);
-x_195 = 1;
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_195);
-lean_ctor_set(x_142, 0, x_138);
-x_196 = lean_st_ref_set(x_6, x_142, x_191);
-x_197 = !lean_is_exclusive(x_196);
+x_197 = !lean_is_exclusive(x_195);
 if (x_197 == 0)
 {
-lean_object* x_198; lean_object* x_199; 
-x_198 = lean_ctor_get(x_196, 0);
+lean_object* x_198; lean_object* x_199; uint8_t x_200; 
+x_198 = lean_ctor_get(x_195, 0);
 lean_dec(x_198);
-x_199 = lean_box(x_136);
-lean_ctor_set(x_196, 0, x_199);
-return x_196;
+lean_ctor_set(x_195, 0, x_191);
+x_199 = lean_st_ref_set(x_6, x_195, x_196);
+x_200 = !lean_is_exclusive(x_199);
+if (x_200 == 0)
+{
+lean_object* x_201; lean_object* x_202; 
+x_201 = lean_ctor_get(x_199, 0);
+lean_dec(x_201);
+x_202 = lean_box(x_189);
+lean_ctor_set(x_199, 0, x_202);
+return x_199;
 }
 else
 {
-lean_object* x_200; lean_object* x_201; lean_object* x_202; 
-x_200 = lean_ctor_get(x_196, 1);
-lean_inc(x_200);
-lean_dec(x_196);
-x_201 = lean_box(x_136);
-x_202 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_202, 0, x_201);
-lean_ctor_set(x_202, 1, x_200);
-return x_202;
-}
-}
-else
-{
-lean_object* x_203; lean_object* x_204; lean_object* x_205; uint8_t x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
-x_203 = lean_ctor_get(x_142, 1);
-x_204 = lean_ctor_get(x_142, 2);
-x_205 = lean_ctor_get(x_142, 3);
-lean_inc(x_205);
-lean_inc(x_204);
+lean_object* x_203; lean_object* x_204; lean_object* x_205; 
+x_203 = lean_ctor_get(x_199, 1);
 lean_inc(x_203);
-lean_dec(x_142);
-x_206 = 1;
-lean_ctor_set_uint8(x_138, sizeof(void*)*8, x_206);
-x_207 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_207, 0, x_138);
-lean_ctor_set(x_207, 1, x_203);
-lean_ctor_set(x_207, 2, x_204);
-lean_ctor_set(x_207, 3, x_205);
-x_208 = lean_st_ref_set(x_6, x_207, x_191);
-x_209 = lean_ctor_get(x_208, 1);
-lean_inc(x_209);
-if (lean_is_exclusive(x_208)) {
- lean_ctor_release(x_208, 0);
- lean_ctor_release(x_208, 1);
- x_210 = x_208;
-} else {
- lean_dec_ref(x_208);
- x_210 = lean_box(0);
+lean_dec(x_199);
+x_204 = lean_box(x_189);
+x_205 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_205, 0, x_204);
+lean_ctor_set(x_205, 1, x_203);
+return x_205;
 }
-x_211 = lean_box(x_136);
-if (lean_is_scalar(x_210)) {
- x_212 = lean_alloc_ctor(0, 2, 0);
-} else {
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
+x_206 = lean_ctor_get(x_195, 1);
+x_207 = lean_ctor_get(x_195, 2);
+x_208 = lean_ctor_get(x_195, 3);
+lean_inc(x_208);
+lean_inc(x_207);
+lean_inc(x_206);
+lean_dec(x_195);
+x_209 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_209, 0, x_191);
+lean_ctor_set(x_209, 1, x_206);
+lean_ctor_set(x_209, 2, x_207);
+lean_ctor_set(x_209, 3, x_208);
+x_210 = lean_st_ref_set(x_6, x_209, x_196);
+x_211 = lean_ctor_get(x_210, 1);
+lean_inc(x_211);
+if (lean_is_exclusive(x_210)) {
+ lean_ctor_release(x_210, 0);
+ lean_ctor_release(x_210, 1);
  x_212 = x_210;
+} else {
+ lean_dec_ref(x_210);
+ x_212 = lean_box(0);
 }
-lean_ctor_set(x_212, 0, x_211);
-lean_ctor_set(x_212, 1, x_209);
-return x_212;
+x_213 = lean_box(x_189);
+if (lean_is_scalar(x_212)) {
+ x_214 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_214 = x_212;
 }
+lean_ctor_set(x_214, 0, x_213);
+lean_ctor_set(x_214, 1, x_211);
+return x_214;
+}
+}
+block_229:
+{
+if (x_216 == 0)
+{
+uint8_t x_218; 
+x_218 = l_Lean_Expr_hasFVar(x_182);
+if (x_218 == 0)
+{
+uint8_t x_219; 
+x_219 = l_Lean_Expr_hasMVar(x_182);
+if (x_219 == 0)
+{
+uint8_t x_220; 
+lean_dec(x_182);
+lean_dec(x_2);
+x_220 = 0;
+x_189 = x_220;
+x_190 = x_217;
+goto block_215;
 }
 else
 {
-lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; uint8_t x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; 
-x_213 = lean_ctor_get(x_138, 0);
-x_214 = lean_ctor_get(x_138, 1);
-x_215 = lean_ctor_get(x_138, 2);
-x_216 = lean_ctor_get(x_138, 3);
-x_217 = lean_ctor_get(x_138, 4);
-x_218 = lean_ctor_get(x_138, 5);
-x_219 = lean_ctor_get(x_138, 6);
-x_220 = lean_ctor_get(x_138, 7);
-lean_inc(x_220);
-lean_inc(x_219);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_dec(x_138);
-x_221 = lean_ctor_get(x_142, 1);
-lean_inc(x_221);
-x_222 = lean_ctor_get(x_142, 2);
+lean_object* x_221; lean_object* x_222; lean_object* x_223; uint8_t x_224; 
+x_221 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__33(x_2, x_182, x_217);
+x_222 = lean_ctor_get(x_221, 0);
 lean_inc(x_222);
-x_223 = lean_ctor_get(x_142, 3);
+x_223 = lean_ctor_get(x_221, 1);
 lean_inc(x_223);
-if (lean_is_exclusive(x_142)) {
- lean_ctor_release(x_142, 0);
- lean_ctor_release(x_142, 1);
- lean_ctor_release(x_142, 2);
- lean_ctor_release(x_142, 3);
- x_224 = x_142;
-} else {
- lean_dec_ref(x_142);
- x_224 = lean_box(0);
-}
-x_225 = 1;
-x_226 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_226, 0, x_213);
-lean_ctor_set(x_226, 1, x_214);
-lean_ctor_set(x_226, 2, x_215);
-lean_ctor_set(x_226, 3, x_216);
-lean_ctor_set(x_226, 4, x_217);
-lean_ctor_set(x_226, 5, x_218);
-lean_ctor_set(x_226, 6, x_219);
-lean_ctor_set(x_226, 7, x_220);
-lean_ctor_set_uint8(x_226, sizeof(void*)*8, x_225);
-if (lean_is_scalar(x_224)) {
- x_227 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_227 = x_224;
-}
-lean_ctor_set(x_227, 0, x_226);
-lean_ctor_set(x_227, 1, x_221);
-lean_ctor_set(x_227, 2, x_222);
-lean_ctor_set(x_227, 3, x_223);
-x_228 = lean_st_ref_set(x_6, x_227, x_191);
-x_229 = lean_ctor_get(x_228, 1);
-lean_inc(x_229);
-if (lean_is_exclusive(x_228)) {
- lean_ctor_release(x_228, 0);
- lean_ctor_release(x_228, 1);
- x_230 = x_228;
-} else {
- lean_dec_ref(x_228);
- x_230 = lean_box(0);
-}
-x_231 = lean_box(x_136);
-if (lean_is_scalar(x_230)) {
- x_232 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_232 = x_230;
-}
-lean_ctor_set(x_232, 0, x_231);
-lean_ctor_set(x_232, 1, x_229);
-return x_232;
-}
-}
+lean_dec(x_221);
+x_224 = lean_unbox(x_222);
+lean_dec(x_222);
+x_189 = x_224;
+x_190 = x_223;
+goto block_215;
 }
 }
 else
 {
-lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; uint8_t x_255; lean_object* x_256; uint8_t x_353; lean_object* x_354; lean_object* x_367; lean_object* x_368; uint8_t x_369; 
-x_247 = lean_ctor_get(x_1, 3);
-lean_inc(x_247);
-x_248 = lean_ctor_get(x_1, 4);
-lean_inc(x_248);
-lean_dec(x_1);
-x_249 = lean_st_ref_get(x_8, x_9);
-x_250 = lean_ctor_get(x_249, 1);
-lean_inc(x_250);
-lean_dec(x_249);
-x_251 = lean_st_ref_get(x_6, x_250);
-x_252 = lean_ctor_get(x_251, 0);
-lean_inc(x_252);
-x_253 = lean_ctor_get(x_251, 1);
-lean_inc(x_253);
-lean_dec(x_251);
-x_254 = lean_ctor_get(x_252, 0);
-lean_inc(x_254);
-lean_dec(x_252);
-x_367 = l___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___closed__1;
-x_368 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_368, 0, x_367);
-lean_ctor_set(x_368, 1, x_254);
-x_369 = l_Lean_Expr_hasFVar(x_247);
-if (x_369 == 0)
-{
-uint8_t x_370; 
-x_370 = l_Lean_Expr_hasMVar(x_247);
-if (x_370 == 0)
-{
-uint8_t x_371; 
-lean_dec(x_247);
-x_371 = 0;
-x_353 = x_371;
-x_354 = x_368;
-goto block_366;
-}
-else
-{
-lean_object* x_372; lean_object* x_373; lean_object* x_374; uint8_t x_375; 
-lean_inc(x_2);
-x_372 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__49(x_2, x_247, x_368);
-x_373 = lean_ctor_get(x_372, 0);
-lean_inc(x_373);
-x_374 = lean_ctor_get(x_372, 1);
-lean_inc(x_374);
-lean_dec(x_372);
-x_375 = lean_unbox(x_373);
-lean_dec(x_373);
-x_353 = x_375;
-x_354 = x_374;
-goto block_366;
+lean_object* x_225; lean_object* x_226; lean_object* x_227; uint8_t x_228; 
+x_225 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__41(x_2, x_182, x_217);
+x_226 = lean_ctor_get(x_225, 0);
+lean_inc(x_226);
+x_227 = lean_ctor_get(x_225, 1);
+lean_inc(x_227);
+lean_dec(x_225);
+x_228 = lean_unbox(x_226);
+lean_dec(x_226);
+x_189 = x_228;
+x_190 = x_227;
+goto block_215;
 }
 }
 else
 {
-lean_object* x_376; lean_object* x_377; lean_object* x_378; uint8_t x_379; 
-lean_inc(x_2);
-x_376 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__57(x_2, x_247, x_368);
-x_377 = lean_ctor_get(x_376, 0);
-lean_inc(x_377);
-x_378 = lean_ctor_get(x_376, 1);
-lean_inc(x_378);
-lean_dec(x_376);
-x_379 = lean_unbox(x_377);
-lean_dec(x_377);
-x_353 = x_379;
-x_354 = x_378;
-goto block_366;
-}
-block_352:
-{
-lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
-x_257 = lean_ctor_get(x_256, 1);
-lean_inc(x_257);
-lean_dec(x_256);
-x_258 = lean_st_ref_get(x_8, x_253);
-x_259 = lean_ctor_get(x_258, 1);
-lean_inc(x_259);
-lean_dec(x_258);
-x_260 = lean_st_ref_take(x_6, x_259);
-x_261 = lean_ctor_get(x_260, 0);
-lean_inc(x_261);
-x_262 = lean_ctor_get_uint8(x_257, sizeof(void*)*8);
-if (x_262 == 0)
-{
-lean_object* x_263; lean_object* x_264; lean_object* x_265; lean_object* x_266; lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; 
-x_263 = lean_ctor_get(x_261, 0);
-lean_inc(x_263);
-x_264 = lean_ctor_get(x_260, 1);
-lean_inc(x_264);
-lean_dec(x_260);
-x_265 = lean_ctor_get(x_257, 0);
-lean_inc(x_265);
-x_266 = lean_ctor_get(x_257, 1);
-lean_inc(x_266);
-x_267 = lean_ctor_get(x_257, 2);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_257, 3);
-lean_inc(x_268);
-x_269 = lean_ctor_get(x_257, 4);
-lean_inc(x_269);
-x_270 = lean_ctor_get(x_257, 5);
-lean_inc(x_270);
-x_271 = lean_ctor_get(x_257, 6);
-lean_inc(x_271);
-x_272 = lean_ctor_get(x_257, 7);
-lean_inc(x_272);
-lean_dec(x_257);
-x_273 = !lean_is_exclusive(x_261);
-if (x_273 == 0)
-{
-lean_object* x_274; uint8_t x_275; 
-x_274 = lean_ctor_get(x_261, 0);
-lean_dec(x_274);
-x_275 = !lean_is_exclusive(x_263);
-if (x_275 == 0)
-{
-lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; uint8_t x_285; 
-x_276 = lean_ctor_get(x_263, 7);
-lean_dec(x_276);
-x_277 = lean_ctor_get(x_263, 6);
-lean_dec(x_277);
-x_278 = lean_ctor_get(x_263, 5);
-lean_dec(x_278);
-x_279 = lean_ctor_get(x_263, 4);
-lean_dec(x_279);
-x_280 = lean_ctor_get(x_263, 3);
-lean_dec(x_280);
-x_281 = lean_ctor_get(x_263, 2);
-lean_dec(x_281);
-x_282 = lean_ctor_get(x_263, 1);
-lean_dec(x_282);
-x_283 = lean_ctor_get(x_263, 0);
-lean_dec(x_283);
-lean_ctor_set(x_263, 7, x_272);
-lean_ctor_set(x_263, 6, x_271);
-lean_ctor_set(x_263, 5, x_270);
-lean_ctor_set(x_263, 4, x_269);
-lean_ctor_set(x_263, 3, x_268);
-lean_ctor_set(x_263, 2, x_267);
-lean_ctor_set(x_263, 1, x_266);
-lean_ctor_set(x_263, 0, x_265);
-x_284 = lean_st_ref_set(x_6, x_261, x_264);
-x_285 = !lean_is_exclusive(x_284);
-if (x_285 == 0)
-{
-lean_object* x_286; lean_object* x_287; 
-x_286 = lean_ctor_get(x_284, 0);
-lean_dec(x_286);
-x_287 = lean_box(x_255);
-lean_ctor_set(x_284, 0, x_287);
-return x_284;
-}
-else
-{
-lean_object* x_288; lean_object* x_289; lean_object* x_290; 
-x_288 = lean_ctor_get(x_284, 1);
-lean_inc(x_288);
-lean_dec(x_284);
-x_289 = lean_box(x_255);
-x_290 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_290, 0, x_289);
-lean_ctor_set(x_290, 1, x_288);
-return x_290;
-}
-}
-else
-{
-uint8_t x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-x_291 = lean_ctor_get_uint8(x_263, sizeof(void*)*8);
-lean_dec(x_263);
-x_292 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_292, 0, x_265);
-lean_ctor_set(x_292, 1, x_266);
-lean_ctor_set(x_292, 2, x_267);
-lean_ctor_set(x_292, 3, x_268);
-lean_ctor_set(x_292, 4, x_269);
-lean_ctor_set(x_292, 5, x_270);
-lean_ctor_set(x_292, 6, x_271);
-lean_ctor_set(x_292, 7, x_272);
-lean_ctor_set_uint8(x_292, sizeof(void*)*8, x_291);
-lean_ctor_set(x_261, 0, x_292);
-x_293 = lean_st_ref_set(x_6, x_261, x_264);
-x_294 = lean_ctor_get(x_293, 1);
-lean_inc(x_294);
-if (lean_is_exclusive(x_293)) {
- lean_ctor_release(x_293, 0);
- lean_ctor_release(x_293, 1);
- x_295 = x_293;
-} else {
- lean_dec_ref(x_293);
- x_295 = lean_box(0);
-}
-x_296 = lean_box(x_255);
-if (lean_is_scalar(x_295)) {
- x_297 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_297 = x_295;
-}
-lean_ctor_set(x_297, 0, x_296);
-lean_ctor_set(x_297, 1, x_294);
-return x_297;
-}
-}
-else
-{
-lean_object* x_298; lean_object* x_299; lean_object* x_300; uint8_t x_301; lean_object* x_302; lean_object* x_303; lean_object* x_304; lean_object* x_305; lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; 
-x_298 = lean_ctor_get(x_261, 1);
-x_299 = lean_ctor_get(x_261, 2);
-x_300 = lean_ctor_get(x_261, 3);
-lean_inc(x_300);
-lean_inc(x_299);
-lean_inc(x_298);
-lean_dec(x_261);
-x_301 = lean_ctor_get_uint8(x_263, sizeof(void*)*8);
-if (lean_is_exclusive(x_263)) {
- lean_ctor_release(x_263, 0);
- lean_ctor_release(x_263, 1);
- lean_ctor_release(x_263, 2);
- lean_ctor_release(x_263, 3);
- lean_ctor_release(x_263, 4);
- lean_ctor_release(x_263, 5);
- lean_ctor_release(x_263, 6);
- lean_ctor_release(x_263, 7);
- x_302 = x_263;
-} else {
- lean_dec_ref(x_263);
- x_302 = lean_box(0);
-}
-if (lean_is_scalar(x_302)) {
- x_303 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_303 = x_302;
-}
-lean_ctor_set(x_303, 0, x_265);
-lean_ctor_set(x_303, 1, x_266);
-lean_ctor_set(x_303, 2, x_267);
-lean_ctor_set(x_303, 3, x_268);
-lean_ctor_set(x_303, 4, x_269);
-lean_ctor_set(x_303, 5, x_270);
-lean_ctor_set(x_303, 6, x_271);
-lean_ctor_set(x_303, 7, x_272);
-lean_ctor_set_uint8(x_303, sizeof(void*)*8, x_301);
-x_304 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_304, 0, x_303);
-lean_ctor_set(x_304, 1, x_298);
-lean_ctor_set(x_304, 2, x_299);
-lean_ctor_set(x_304, 3, x_300);
-x_305 = lean_st_ref_set(x_6, x_304, x_264);
-x_306 = lean_ctor_get(x_305, 1);
-lean_inc(x_306);
-if (lean_is_exclusive(x_305)) {
- lean_ctor_release(x_305, 0);
- lean_ctor_release(x_305, 1);
- x_307 = x_305;
-} else {
- lean_dec_ref(x_305);
- x_307 = lean_box(0);
-}
-x_308 = lean_box(x_255);
-if (lean_is_scalar(x_307)) {
- x_309 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_309 = x_307;
-}
-lean_ctor_set(x_309, 0, x_308);
-lean_ctor_set(x_309, 1, x_306);
-return x_309;
-}
-}
-else
-{
-lean_object* x_310; uint8_t x_311; 
-x_310 = lean_ctor_get(x_260, 1);
-lean_inc(x_310);
-lean_dec(x_260);
-x_311 = !lean_is_exclusive(x_257);
-if (x_311 == 0)
-{
-uint8_t x_312; 
-x_312 = !lean_is_exclusive(x_261);
-if (x_312 == 0)
-{
-lean_object* x_313; uint8_t x_314; lean_object* x_315; uint8_t x_316; 
-x_313 = lean_ctor_get(x_261, 0);
-lean_dec(x_313);
-x_314 = 1;
-lean_ctor_set_uint8(x_257, sizeof(void*)*8, x_314);
-lean_ctor_set(x_261, 0, x_257);
-x_315 = lean_st_ref_set(x_6, x_261, x_310);
-x_316 = !lean_is_exclusive(x_315);
-if (x_316 == 0)
-{
-lean_object* x_317; lean_object* x_318; 
-x_317 = lean_ctor_get(x_315, 0);
-lean_dec(x_317);
-x_318 = lean_box(x_255);
-lean_ctor_set(x_315, 0, x_318);
-return x_315;
-}
-else
-{
-lean_object* x_319; lean_object* x_320; lean_object* x_321; 
-x_319 = lean_ctor_get(x_315, 1);
-lean_inc(x_319);
-lean_dec(x_315);
-x_320 = lean_box(x_255);
-x_321 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_321, 0, x_320);
-lean_ctor_set(x_321, 1, x_319);
-return x_321;
-}
-}
-else
-{
-lean_object* x_322; lean_object* x_323; lean_object* x_324; uint8_t x_325; lean_object* x_326; lean_object* x_327; lean_object* x_328; lean_object* x_329; lean_object* x_330; lean_object* x_331; 
-x_322 = lean_ctor_get(x_261, 1);
-x_323 = lean_ctor_get(x_261, 2);
-x_324 = lean_ctor_get(x_261, 3);
-lean_inc(x_324);
-lean_inc(x_323);
-lean_inc(x_322);
-lean_dec(x_261);
-x_325 = 1;
-lean_ctor_set_uint8(x_257, sizeof(void*)*8, x_325);
-x_326 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_326, 0, x_257);
-lean_ctor_set(x_326, 1, x_322);
-lean_ctor_set(x_326, 2, x_323);
-lean_ctor_set(x_326, 3, x_324);
-x_327 = lean_st_ref_set(x_6, x_326, x_310);
-x_328 = lean_ctor_get(x_327, 1);
-lean_inc(x_328);
-if (lean_is_exclusive(x_327)) {
- lean_ctor_release(x_327, 0);
- lean_ctor_release(x_327, 1);
- x_329 = x_327;
-} else {
- lean_dec_ref(x_327);
- x_329 = lean_box(0);
-}
-x_330 = lean_box(x_255);
-if (lean_is_scalar(x_329)) {
- x_331 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_331 = x_329;
-}
-lean_ctor_set(x_331, 0, x_330);
-lean_ctor_set(x_331, 1, x_328);
-return x_331;
-}
-}
-else
-{
-lean_object* x_332; lean_object* x_333; lean_object* x_334; lean_object* x_335; lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; uint8_t x_344; lean_object* x_345; lean_object* x_346; lean_object* x_347; lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; 
-x_332 = lean_ctor_get(x_257, 0);
-x_333 = lean_ctor_get(x_257, 1);
-x_334 = lean_ctor_get(x_257, 2);
-x_335 = lean_ctor_get(x_257, 3);
-x_336 = lean_ctor_get(x_257, 4);
-x_337 = lean_ctor_get(x_257, 5);
-x_338 = lean_ctor_get(x_257, 6);
-x_339 = lean_ctor_get(x_257, 7);
-lean_inc(x_339);
-lean_inc(x_338);
-lean_inc(x_337);
-lean_inc(x_336);
-lean_inc(x_335);
-lean_inc(x_334);
-lean_inc(x_333);
-lean_inc(x_332);
-lean_dec(x_257);
-x_340 = lean_ctor_get(x_261, 1);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_261, 2);
-lean_inc(x_341);
-x_342 = lean_ctor_get(x_261, 3);
-lean_inc(x_342);
-if (lean_is_exclusive(x_261)) {
- lean_ctor_release(x_261, 0);
- lean_ctor_release(x_261, 1);
- lean_ctor_release(x_261, 2);
- lean_ctor_release(x_261, 3);
- x_343 = x_261;
-} else {
- lean_dec_ref(x_261);
- x_343 = lean_box(0);
-}
-x_344 = 1;
-x_345 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_345, 0, x_332);
-lean_ctor_set(x_345, 1, x_333);
-lean_ctor_set(x_345, 2, x_334);
-lean_ctor_set(x_345, 3, x_335);
-lean_ctor_set(x_345, 4, x_336);
-lean_ctor_set(x_345, 5, x_337);
-lean_ctor_set(x_345, 6, x_338);
-lean_ctor_set(x_345, 7, x_339);
-lean_ctor_set_uint8(x_345, sizeof(void*)*8, x_344);
-if (lean_is_scalar(x_343)) {
- x_346 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_346 = x_343;
-}
-lean_ctor_set(x_346, 0, x_345);
-lean_ctor_set(x_346, 1, x_340);
-lean_ctor_set(x_346, 2, x_341);
-lean_ctor_set(x_346, 3, x_342);
-x_347 = lean_st_ref_set(x_6, x_346, x_310);
-x_348 = lean_ctor_get(x_347, 1);
-lean_inc(x_348);
-if (lean_is_exclusive(x_347)) {
- lean_ctor_release(x_347, 0);
- lean_ctor_release(x_347, 1);
- x_349 = x_347;
-} else {
- lean_dec_ref(x_347);
- x_349 = lean_box(0);
-}
-x_350 = lean_box(x_255);
-if (lean_is_scalar(x_349)) {
- x_351 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_351 = x_349;
-}
-lean_ctor_set(x_351, 0, x_350);
-lean_ctor_set(x_351, 1, x_348);
-return x_351;
-}
-}
-}
-block_366:
-{
-if (x_353 == 0)
-{
-uint8_t x_355; 
-x_355 = l_Lean_Expr_hasFVar(x_248);
-if (x_355 == 0)
-{
-uint8_t x_356; 
-x_356 = l_Lean_Expr_hasMVar(x_248);
-if (x_356 == 0)
-{
-uint8_t x_357; 
-lean_dec(x_248);
+lean_dec(x_182);
 lean_dec(x_2);
-x_357 = 0;
-x_255 = x_357;
-x_256 = x_354;
-goto block_352;
-}
-else
-{
-lean_object* x_358; lean_object* x_359; lean_object* x_360; uint8_t x_361; 
-x_358 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__33(x_2, x_248, x_354);
-x_359 = lean_ctor_get(x_358, 0);
-lean_inc(x_359);
-x_360 = lean_ctor_get(x_358, 1);
-lean_inc(x_360);
-lean_dec(x_358);
-x_361 = lean_unbox(x_359);
-lean_dec(x_359);
-x_255 = x_361;
-x_256 = x_360;
-goto block_352;
-}
-}
-else
-{
-lean_object* x_362; lean_object* x_363; lean_object* x_364; uint8_t x_365; 
-x_362 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_PPGoal_0__Lean_Meta_ToHide_findDeps___spec__41(x_2, x_248, x_354);
-x_363 = lean_ctor_get(x_362, 0);
-lean_inc(x_363);
-x_364 = lean_ctor_get(x_362, 1);
-lean_inc(x_364);
-lean_dec(x_362);
-x_365 = lean_unbox(x_363);
-lean_dec(x_363);
-x_255 = x_365;
-x_256 = x_364;
-goto block_352;
-}
-}
-else
-{
-lean_dec(x_248);
-lean_dec(x_2);
-x_255 = x_353;
-x_256 = x_354;
-goto block_352;
+x_189 = x_216;
+x_190 = x_217;
+goto block_215;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/RecursorInfo.c b/stage0/stdlib/Lean/Meta/RecursorInfo.c
index 3f625cce41..93c3dc003c 100644
--- a/stage0/stdlib/Lean/Meta/RecursorInfo.c
+++ b/stage0/stdlib/Lean/Meta/RecursorInfo.c
@@ -9657,23 +9657,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__13() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__10;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__11;
 x_4 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__12;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__14() {
@@ -9762,14 +9760,13 @@ x_1 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2__
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__16;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__17;
 x_4 = l_Lean_Meta_initFn____x40_Lean_Meta_RecursorInfo___hyg_2893____lambda__2___closed__20;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/SizeOf.c b/stage0/stdlib/Lean/Meta/SizeOf.c
index 96c5efdb7a..ccd3b68a98 100644
--- a/stage0/stdlib/Lean/Meta/SizeOf.c
+++ b/stage0/stdlib/Lean/Meta/SizeOf.c
@@ -10934,14 +10934,13 @@ x_1 = l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNeste
 x_2 = l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5___closed__7;
 x_3 = l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5___closed__8;
 x_4 = l_Lean_setEnv___at___private_Lean_Meta_SizeOf_0__Lean_Meta_SizeOfSpecNested_mkSizeOfAuxLemma___spec__5___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/SynthInstance.c b/stage0/stdlib/Lean/Meta/SynthInstance.c
index 4ce5b4a150..04683fcf3d 100644
--- a/stage0/stdlib/Lean/Meta/SynthInstance.c
+++ b/stage0/stdlib/Lean/Meta/SynthInstance.c
@@ -19,6 +19,7 @@ LEAN_EXPORT lean_object* l_Lean_Core_withCurrHeartbeats___at_Lean_Meta_SynthInst
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getMaxHeartbeats___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_Meta_synthInstance_x3f___spec__6(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1;
 uint8_t l_Lean_Expr_hasAnyFVar_visit___at_Lean_Expr_containsFVar___spec__1(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_SynthInstance_instInhabitedAnswer___closed__1;
 static lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_preprocessArgs___closed__2;
@@ -58,6 +59,7 @@ static lean_object* l_Lean_Meta_SynthInstance_resume___lambda__1___closed__1;
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_tryAnswer___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_MkTableKey_State_emap___default;
 static lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_mkAnswer___lambda__2___closed__3;
 static lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_preprocessLevels___closed__1;
@@ -77,7 +79,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_resume___lambda__1___boxed(le
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_generate___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashMap_insert___at_Lean_Meta_SynthInstance_newSubgoal___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getResult(lean_object*);
 size_t lean_usize_sub(size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_SynthInstance_isNewAnswer___spec__1(lean_object*, lean_object*, size_t, size_t);
@@ -208,6 +209,7 @@ lean_object* lean_expr_instantiate_rev_range(lean_object*, lean_object*, lean_ob
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getTop___boxed(lean_object*);
 static lean_object* l_Lean_Meta_SynthInstance_consume___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
 lean_object* l_Lean_Meta_abstractMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6;
@@ -278,7 +280,6 @@ LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Meta_Synt
 lean_object* l_Std_HashMapImp_find_x3f___at___private_Lean_Meta_AbstractMVars_0__Lean_Meta_AbstractMVars_abstractLevelMVars___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_TableEntry_answers___default;
 static lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_preprocessArgs___closed__1;
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_synthInstance_x3f___lambda__5___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_addAnswer___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -347,6 +348,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthI
 size_t lean_usize_mul(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
+LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_SynthInstance_0__Lean_Meta_preprocessOutParam(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 uint8_t l_Lean_Expr_isForall(lean_object*);
@@ -366,7 +368,7 @@ LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Meta_SynthInstance_f
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_37_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_6_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8431_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8430_(lean_object*);
 static lean_object* l_Lean_Meta_SynthInstance_MkTableKey_State_lmap___default___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getNextToResume___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -581,8 +583,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKeyFor___lambda__2___b
 static lean_object* l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__4;
 uint8_t l_Std_PersistentHashMap_contains___at_Lean_NameSSet_contains___spec__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_MkTableKey_normExpr(lean_object*, lean_object*);
-static lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2;
-LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_Meta_synthInstance_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_profileitM___at_Lean_Meta_synthInstance_x3f___spec__8(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_tryAnswer___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -598,7 +598,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_main___lambda__1(lean_object*
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_tryResolveCore___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_synthInstance_maxHeartbeats;
 static lean_object* l_Lean_Meta_SynthInstance_resume___closed__2;
-static lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1;
 static lean_object* l_Lean_Meta_SynthInstance_generate___closed__4;
 static lean_object* l_Lean_Meta_SynthInstance_newSubgoal___closed__3;
 static lean_object* l_Lean_Meta_SynthInstance_resume___closed__1;
@@ -928,23 +927,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__7() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__4;
 x_3 = l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__5;
 x_4 = l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__6;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_SynthInstance_instInhabitedGeneratorNode___closed__8() {
@@ -1203,137 +1200,7 @@ lean_dec(x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_1, 3);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
-{
-uint8_t x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = 1;
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_5);
-x_6 = lean_box(0);
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_6);
-lean_ctor_set(x_7, 1, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_dec(x_3);
-x_16 = 1;
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_8);
-lean_ctor_set(x_17, 1, x_9);
-lean_ctor_set(x_17, 2, x_10);
-lean_ctor_set(x_17, 3, x_11);
-lean_ctor_set(x_17, 4, x_12);
-lean_ctor_set(x_17, 5, x_13);
-lean_ctor_set(x_17, 6, x_14);
-lean_ctor_set(x_17, 7, x_15);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_16);
-lean_ctor_set(x_1, 3, x_17);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_1);
-return x_19;
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_20 = lean_ctor_get(x_1, 3);
-x_21 = lean_ctor_get(x_1, 0);
-x_22 = lean_ctor_get(x_1, 1);
-x_23 = lean_ctor_get(x_1, 2);
-lean_inc(x_20);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_1);
-x_24 = lean_ctor_get(x_20, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_20, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_20, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_20, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_20, 6);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_20, 7);
-lean_inc(x_31);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- lean_ctor_release(x_20, 4);
- lean_ctor_release(x_20, 5);
- lean_ctor_release(x_20, 6);
- lean_ctor_release(x_20, 7);
- x_32 = x_20;
-} else {
- lean_dec_ref(x_20);
- x_32 = lean_box(0);
-}
-x_33 = 1;
-if (lean_is_scalar(x_32)) {
- x_34 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_34 = x_32;
-}
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_29);
-lean_ctor_set(x_34, 6, x_30);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_35, 0, x_21);
-lean_ctor_set(x_35, 1, x_22);
-lean_ctor_set(x_35, 2, x_23);
-lean_ctor_set(x_35, 3, x_34);
-x_36 = lean_box(0);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-static lean_object* _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1() {
+static lean_object* _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -1342,22 +1209,22 @@ x_2 = l_StateT_instMonadStateT___rarg(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2() {
+static lean_object* _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2() {
 _start:
 {
 lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1;
+x_1 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1;
 x_2 = l_instInhabitedBool;
 x_3 = lean_box(x_2);
 x_4 = l_instInhabited___rarg(x_1, x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_3 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2;
+x_3 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2;
 x_4 = lean_panic_fn(x_3, x_1);
 x_5 = lean_apply_1(x_4, x_2);
 return x_5;
@@ -1393,7 +1260,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__2;
-x_3 = lean_unsigned_to_nat(361u);
+x_3 = lean_unsigned_to_nat(344u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -1403,83 +1270,37 @@ return x_6;
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; uint8_t x_4; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(x_2);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
+lean_object* x_3; lean_object* x_4; lean_object* x_5; 
+x_3 = lean_ctor_get(x_2, 3);
+lean_inc(x_3);
+x_4 = lean_ctor_get(x_3, 2);
+lean_inc(x_4);
+x_5 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_4, x_1);
+if (lean_obj_tag(x_5) == 0)
 {
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_5 = lean_ctor_get(x_3, 1);
-x_6 = lean_ctor_get(x_3, 0);
-lean_dec(x_6);
-x_7 = lean_ctor_get(x_5, 3);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_7, 2);
-lean_inc(x_8);
-x_9 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_8, x_1);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-lean_dec(x_7);
-lean_free_object(x_3);
-x_10 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
-x_11 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3(x_10, x_5);
-return x_11;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; 
-x_12 = lean_ctor_get(x_9, 0);
-lean_inc(x_12);
-lean_dec(x_9);
-x_13 = lean_ctor_get(x_7, 0);
-lean_inc(x_13);
-lean_dec(x_7);
-x_14 = lean_nat_dec_eq(x_12, x_13);
-lean_dec(x_13);
-lean_dec(x_12);
-x_15 = lean_box(x_14);
-lean_ctor_set(x_3, 0, x_15);
-return x_3;
-}
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_ctor_get(x_3, 1);
-lean_inc(x_16);
+lean_object* x_6; lean_object* x_7; 
 lean_dec(x_3);
-x_17 = lean_ctor_get(x_16, 3);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_17, 2);
-lean_inc(x_18);
-x_19 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_18, x_1);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; 
-lean_dec(x_17);
-x_20 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
-x_21 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3(x_20, x_16);
-return x_21;
+x_6 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
+x_7 = l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(x_6, x_2);
+return x_7;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-x_22 = lean_ctor_get(x_19, 0);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_17, 0);
-lean_inc(x_23);
-lean_dec(x_17);
-x_24 = lean_nat_dec_eq(x_22, x_23);
-lean_dec(x_23);
-lean_dec(x_22);
-x_25 = lean_box(x_24);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_16);
-return x_26;
-}
+lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+x_8 = lean_ctor_get(x_5, 0);
+lean_inc(x_8);
+lean_dec(x_5);
+x_9 = lean_ctor_get(x_3, 0);
+lean_inc(x_9);
+lean_dec(x_3);
+x_10 = lean_nat_dec_eq(x_8, x_9);
+lean_dec(x_9);
+lean_dec(x_8);
+x_11 = lean_box(x_10);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_2);
+return x_12;
 }
 }
 }
@@ -1972,57 +1793,25 @@ return x_123;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normExpr___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; uint8_t x_4; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2(x_2);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; lean_object* x_12; 
-x_5 = lean_ctor_get(x_3, 1);
+lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; lean_object* x_8; lean_object* x_9; 
+x_3 = lean_ctor_get(x_2, 3);
+lean_inc(x_3);
+lean_inc(x_3);
+x_4 = l_Lean_MetavarContext_getDecl(x_3, x_1);
+x_5 = lean_ctor_get(x_4, 3);
+lean_inc(x_5);
+lean_dec(x_4);
 x_6 = lean_ctor_get(x_3, 0);
-lean_dec(x_6);
-x_7 = lean_ctor_get(x_5, 3);
-lean_inc(x_7);
-lean_inc(x_7);
-x_8 = l_Lean_MetavarContext_getDecl(x_7, x_1);
-x_9 = lean_ctor_get(x_8, 3);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_7, 0);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = lean_nat_dec_eq(x_9, x_10);
-lean_dec(x_10);
-lean_dec(x_9);
-x_12 = lean_box(x_11);
-lean_ctor_set(x_3, 0, x_12);
-return x_3;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; lean_object* x_20; 
-x_13 = lean_ctor_get(x_3, 1);
-lean_inc(x_13);
+lean_inc(x_6);
 lean_dec(x_3);
-x_14 = lean_ctor_get(x_13, 3);
-lean_inc(x_14);
-lean_inc(x_14);
-x_15 = l_Lean_MetavarContext_getDecl(x_14, x_1);
-x_16 = lean_ctor_get(x_15, 3);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = lean_nat_dec_eq(x_16, x_17);
-lean_dec(x_17);
-lean_dec(x_16);
-x_19 = lean_box(x_18);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_13);
-return x_20;
-}
+x_7 = lean_nat_dec_eq(x_5, x_6);
+lean_dec(x_6);
+lean_dec(x_5);
+x_8 = lean_box(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_2);
+return x_9;
 }
 }
 LEAN_EXPORT lean_object* l_List_mapM___at_Lean_Meta_SynthInstance_MkTableKey_normExpr___spec__2(lean_object* x_1, lean_object* x_2) {
@@ -3150,123 +2939,9 @@ return x_258;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-uint8_t x_3; 
-x_3 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
-if (x_3 == 0)
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_4 = lean_ctor_get(x_1, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_1, 1);
-lean_inc(x_5);
-x_6 = lean_ctor_get(x_1, 2);
-lean_inc(x_6);
-x_7 = lean_ctor_get(x_1, 3);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_1, 4);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_1, 5);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_1, 6);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_1, 7);
-lean_inc(x_11);
-lean_dec(x_1);
-x_12 = !lean_is_exclusive(x_2);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_13 = lean_ctor_get(x_2, 7);
-lean_dec(x_13);
-x_14 = lean_ctor_get(x_2, 6);
-lean_dec(x_14);
-x_15 = lean_ctor_get(x_2, 5);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_2, 4);
-lean_dec(x_16);
-x_17 = lean_ctor_get(x_2, 3);
-lean_dec(x_17);
-x_18 = lean_ctor_get(x_2, 2);
-lean_dec(x_18);
-x_19 = lean_ctor_get(x_2, 1);
-lean_dec(x_19);
-x_20 = lean_ctor_get(x_2, 0);
-lean_dec(x_20);
-lean_ctor_set(x_2, 7, x_11);
-lean_ctor_set(x_2, 6, x_10);
-lean_ctor_set(x_2, 5, x_9);
-lean_ctor_set(x_2, 4, x_8);
-lean_ctor_set(x_2, 3, x_7);
-lean_ctor_set(x_2, 2, x_6);
-lean_ctor_set(x_2, 1, x_5);
-lean_ctor_set(x_2, 0, x_4);
-return x_2;
-}
-else
-{
-uint8_t x_21; lean_object* x_22; 
-x_21 = lean_ctor_get_uint8(x_2, sizeof(void*)*8);
-lean_dec(x_2);
-x_22 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_22, 0, x_4);
-lean_ctor_set(x_22, 1, x_5);
-lean_ctor_set(x_22, 2, x_6);
-lean_ctor_set(x_22, 3, x_7);
-lean_ctor_set(x_22, 4, x_8);
-lean_ctor_set(x_22, 5, x_9);
-lean_ctor_set(x_22, 6, x_10);
-lean_ctor_set(x_22, 7, x_11);
-lean_ctor_set_uint8(x_22, sizeof(void*)*8, x_21);
-return x_22;
-}
-}
-else
-{
-uint8_t x_23; 
-lean_dec(x_2);
-x_23 = !lean_is_exclusive(x_1);
-if (x_23 == 0)
-{
-uint8_t x_24; 
-x_24 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_24);
+lean_inc(x_1);
 return x_1;
 }
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; 
-x_25 = lean_ctor_get(x_1, 0);
-x_26 = lean_ctor_get(x_1, 1);
-x_27 = lean_ctor_get(x_1, 2);
-x_28 = lean_ctor_get(x_1, 3);
-x_29 = lean_ctor_get(x_1, 4);
-x_30 = lean_ctor_get(x_1, 5);
-x_31 = lean_ctor_get(x_1, 6);
-x_32 = lean_ctor_get(x_1, 7);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_1);
-x_33 = 1;
-x_34 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_34, 0, x_25);
-lean_ctor_set(x_34, 1, x_26);
-lean_ctor_set(x_34, 2, x_27);
-lean_ctor_set(x_34, 3, x_28);
-lean_ctor_set(x_34, 4, x_29);
-lean_ctor_set(x_34, 5, x_30);
-lean_ctor_set(x_34, 6, x_31);
-lean_ctor_set(x_34, 7, x_32);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-return x_34;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
@@ -3305,7 +2980,7 @@ lean_dec(x_11);
 x_13 = lean_ctor_get(x_2, 1);
 lean_inc(x_13);
 lean_dec(x_2);
-x_14 = lean_alloc_closure((void*)(l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1), 2, 1);
+x_14 = lean_alloc_closure((void*)(l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_14, 0, x_12);
 x_15 = lean_apply_1(x_13, x_14);
 x_16 = lean_alloc_closure((void*)(l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__2___boxed), 3, 2);
@@ -3341,6 +3016,16 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Meta_SynthInstance_mkTableKey___rarg), 3
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__1(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -6237,7 +5922,7 @@ return x_39;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___at_Lean_Meta_SynthInstance_mkTableKeyFor___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
 x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
@@ -6274,345 +5959,72 @@ lean_dec(x_22);
 x_24 = lean_st_ref_take(x_5, x_23);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
-x_26 = lean_ctor_get_uint8(x_21, sizeof(void*)*8);
-if (x_26 == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_27 = lean_ctor_get(x_25, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
 lean_dec(x_24);
-x_29 = lean_ctor_get(x_21, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_21, 1);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_21, 2);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_21, 3);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_21, 4);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_21, 5);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_21, 6);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_21, 7);
-lean_inc(x_36);
-lean_dec(x_21);
-x_37 = !lean_is_exclusive(x_25);
-if (x_37 == 0)
+x_27 = !lean_is_exclusive(x_25);
+if (x_27 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_25, 0);
-lean_dec(x_38);
-x_39 = !lean_is_exclusive(x_27);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
-x_40 = lean_ctor_get(x_27, 7);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_27, 6);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_27, 5);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_27, 4);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_27, 3);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_27, 2);
-lean_dec(x_45);
-x_46 = lean_ctor_get(x_27, 1);
-lean_dec(x_46);
-x_47 = lean_ctor_get(x_27, 0);
-lean_dec(x_47);
-lean_ctor_set(x_27, 7, x_36);
-lean_ctor_set(x_27, 6, x_35);
-lean_ctor_set(x_27, 5, x_34);
-lean_ctor_set(x_27, 4, x_33);
-lean_ctor_set(x_27, 3, x_32);
-lean_ctor_set(x_27, 2, x_31);
-lean_ctor_set(x_27, 1, x_30);
-lean_ctor_set(x_27, 0, x_29);
-x_48 = lean_st_ref_set(x_5, x_25, x_28);
-x_49 = !lean_is_exclusive(x_48);
-if (x_49 == 0)
-{
-lean_object* x_50; 
-x_50 = lean_ctor_get(x_48, 0);
-lean_dec(x_50);
-lean_ctor_set(x_48, 0, x_19);
-return x_48;
-}
-else
-{
-lean_object* x_51; lean_object* x_52; 
-x_51 = lean_ctor_get(x_48, 1);
-lean_inc(x_51);
-lean_dec(x_48);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_19);
-lean_ctor_set(x_52, 1, x_51);
-return x_52;
-}
-}
-else
-{
-uint8_t x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_53 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
-lean_dec(x_27);
-x_54 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_54, 0, x_29);
-lean_ctor_set(x_54, 1, x_30);
-lean_ctor_set(x_54, 2, x_31);
-lean_ctor_set(x_54, 3, x_32);
-lean_ctor_set(x_54, 4, x_33);
-lean_ctor_set(x_54, 5, x_34);
-lean_ctor_set(x_54, 6, x_35);
-lean_ctor_set(x_54, 7, x_36);
-lean_ctor_set_uint8(x_54, sizeof(void*)*8, x_53);
-lean_ctor_set(x_25, 0, x_54);
-x_55 = lean_st_ref_set(x_5, x_25, x_28);
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-if (lean_is_exclusive(x_55)) {
- lean_ctor_release(x_55, 0);
- lean_ctor_release(x_55, 1);
- x_57 = x_55;
-} else {
- lean_dec_ref(x_55);
- x_57 = lean_box(0);
-}
-if (lean_is_scalar(x_57)) {
- x_58 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_58 = x_57;
-}
-lean_ctor_set(x_58, 0, x_19);
-lean_ctor_set(x_58, 1, x_56);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_59 = lean_ctor_get(x_25, 1);
-x_60 = lean_ctor_get(x_25, 2);
-x_61 = lean_ctor_get(x_25, 3);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_25);
-x_62 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- lean_ctor_release(x_27, 2);
- lean_ctor_release(x_27, 3);
- lean_ctor_release(x_27, 4);
- lean_ctor_release(x_27, 5);
- lean_ctor_release(x_27, 6);
- lean_ctor_release(x_27, 7);
- x_63 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_63 = lean_box(0);
-}
-if (lean_is_scalar(x_63)) {
- x_64 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_64 = x_63;
-}
-lean_ctor_set(x_64, 0, x_29);
-lean_ctor_set(x_64, 1, x_30);
-lean_ctor_set(x_64, 2, x_31);
-lean_ctor_set(x_64, 3, x_32);
-lean_ctor_set(x_64, 4, x_33);
-lean_ctor_set(x_64, 5, x_34);
-lean_ctor_set(x_64, 6, x_35);
-lean_ctor_set(x_64, 7, x_36);
-lean_ctor_set_uint8(x_64, sizeof(void*)*8, x_62);
-x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_59);
-lean_ctor_set(x_65, 2, x_60);
-lean_ctor_set(x_65, 3, x_61);
-x_66 = lean_st_ref_set(x_5, x_65, x_28);
-x_67 = lean_ctor_get(x_66, 1);
-lean_inc(x_67);
-if (lean_is_exclusive(x_66)) {
- lean_ctor_release(x_66, 0);
- lean_ctor_release(x_66, 1);
- x_68 = x_66;
-} else {
- lean_dec_ref(x_66);
- x_68 = lean_box(0);
-}
-if (lean_is_scalar(x_68)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_69 = x_68;
-}
-lean_ctor_set(x_69, 0, x_19);
-lean_ctor_set(x_69, 1, x_67);
-return x_69;
-}
-}
-else
-{
-lean_object* x_70; uint8_t x_71; 
-x_70 = lean_ctor_get(x_24, 1);
-lean_inc(x_70);
-lean_dec(x_24);
-x_71 = !lean_is_exclusive(x_21);
-if (x_71 == 0)
-{
-uint8_t x_72; 
-x_72 = !lean_is_exclusive(x_25);
-if (x_72 == 0)
-{
-lean_object* x_73; uint8_t x_74; lean_object* x_75; uint8_t x_76; 
-x_73 = lean_ctor_get(x_25, 0);
-lean_dec(x_73);
-x_74 = 1;
-lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_74);
+lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_28 = lean_ctor_get(x_25, 0);
+lean_dec(x_28);
 lean_ctor_set(x_25, 0, x_21);
-x_75 = lean_st_ref_set(x_5, x_25, x_70);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
+x_29 = lean_st_ref_set(x_5, x_25, x_26);
+x_30 = !lean_is_exclusive(x_29);
+if (x_30 == 0)
 {
-lean_object* x_77; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-lean_ctor_set(x_75, 0, x_19);
-return x_75;
+lean_object* x_31; 
+x_31 = lean_ctor_get(x_29, 0);
+lean_dec(x_31);
+lean_ctor_set(x_29, 0, x_19);
+return x_29;
 }
 else
 {
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_75, 1);
-lean_inc(x_78);
-lean_dec(x_75);
-x_79 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_79, 0, x_19);
-lean_ctor_set(x_79, 1, x_78);
-return x_79;
+lean_object* x_32; lean_object* x_33; 
+x_32 = lean_ctor_get(x_29, 1);
+lean_inc(x_32);
+lean_dec(x_29);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_19);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
 }
 }
 else
 {
-lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_80 = lean_ctor_get(x_25, 1);
-x_81 = lean_ctor_get(x_25, 2);
-x_82 = lean_ctor_get(x_25, 3);
-lean_inc(x_82);
-lean_inc(x_81);
-lean_inc(x_80);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_34 = lean_ctor_get(x_25, 1);
+x_35 = lean_ctor_get(x_25, 2);
+x_36 = lean_ctor_get(x_25, 3);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_inc(x_34);
 lean_dec(x_25);
-x_83 = 1;
-lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_83);
-x_84 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_84, 0, x_21);
-lean_ctor_set(x_84, 1, x_80);
-lean_ctor_set(x_84, 2, x_81);
-lean_ctor_set(x_84, 3, x_82);
-x_85 = lean_st_ref_set(x_5, x_84, x_70);
-x_86 = lean_ctor_get(x_85, 1);
-lean_inc(x_86);
-if (lean_is_exclusive(x_85)) {
- lean_ctor_release(x_85, 0);
- lean_ctor_release(x_85, 1);
- x_87 = x_85;
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_21);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_35);
+lean_ctor_set(x_37, 3, x_36);
+x_38 = lean_st_ref_set(x_5, x_37, x_26);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
 } else {
- lean_dec_ref(x_85);
- x_87 = lean_box(0);
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
 }
-if (lean_is_scalar(x_87)) {
- x_88 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_40)) {
+ x_41 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_88 = x_87;
-}
-lean_ctor_set(x_88, 0, x_19);
-lean_ctor_set(x_88, 1, x_86);
-return x_88;
-}
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
-x_89 = lean_ctor_get(x_21, 0);
-x_90 = lean_ctor_get(x_21, 1);
-x_91 = lean_ctor_get(x_21, 2);
-x_92 = lean_ctor_get(x_21, 3);
-x_93 = lean_ctor_get(x_21, 4);
-x_94 = lean_ctor_get(x_21, 5);
-x_95 = lean_ctor_get(x_21, 6);
-x_96 = lean_ctor_get(x_21, 7);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_21);
-x_97 = lean_ctor_get(x_25, 1);
-lean_inc(x_97);
-x_98 = lean_ctor_get(x_25, 2);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_25, 3);
-lean_inc(x_99);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- lean_ctor_release(x_25, 2);
- lean_ctor_release(x_25, 3);
- x_100 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_100 = lean_box(0);
-}
-x_101 = 1;
-x_102 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_102, 0, x_89);
-lean_ctor_set(x_102, 1, x_90);
-lean_ctor_set(x_102, 2, x_91);
-lean_ctor_set(x_102, 3, x_92);
-lean_ctor_set(x_102, 4, x_93);
-lean_ctor_set(x_102, 5, x_94);
-lean_ctor_set(x_102, 6, x_95);
-lean_ctor_set(x_102, 7, x_96);
-lean_ctor_set_uint8(x_102, sizeof(void*)*8, x_101);
-if (lean_is_scalar(x_100)) {
- x_103 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_103 = x_100;
-}
-lean_ctor_set(x_103, 0, x_102);
-lean_ctor_set(x_103, 1, x_97);
-lean_ctor_set(x_103, 2, x_98);
-lean_ctor_set(x_103, 3, x_99);
-x_104 = lean_st_ref_set(x_5, x_103, x_70);
-x_105 = lean_ctor_get(x_104, 1);
-lean_inc(x_105);
-if (lean_is_exclusive(x_104)) {
- lean_ctor_release(x_104, 0);
- lean_ctor_release(x_104, 1);
- x_106 = x_104;
-} else {
- lean_dec_ref(x_104);
- x_106 = lean_box(0);
-}
-if (lean_is_scalar(x_106)) {
- x_107 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_107 = x_106;
-}
-lean_ctor_set(x_107, 0, x_19);
-lean_ctor_set(x_107, 1, x_105);
-return x_107;
+ x_41 = x_40;
 }
+lean_ctor_set(x_41, 0, x_19);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
@@ -7214,66 +6626,62 @@ return x_71;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at_Lean_Meta_SynthInstance_tryResolveCore___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_13, 0);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+lean_dec(x_11);
+lean_inc(x_12);
+x_13 = l_Lean_MetavarContext_getDecl(x_12, x_1);
+x_14 = lean_ctor_get(x_13, 3);
 lean_inc(x_14);
 lean_dec(x_13);
-lean_inc(x_14);
-x_15 = l_Lean_MetavarContext_getDecl(x_14, x_1);
-x_16 = lean_ctor_get(x_15, 3);
-lean_inc(x_16);
+x_15 = lean_ctor_get(x_12, 0);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = lean_nat_dec_eq(x_14, x_15);
 lean_dec(x_15);
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
 lean_dec(x_14);
-x_18 = lean_nat_dec_eq(x_16, x_17);
-lean_dec(x_17);
-lean_dec(x_16);
-x_19 = lean_box(x_18);
-lean_ctor_set(x_11, 0, x_19);
-return x_11;
+x_17 = lean_box(x_16);
+lean_ctor_set(x_9, 0, x_17);
+return x_9;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_20 = lean_ctor_get(x_11, 0);
-x_21 = lean_ctor_get(x_11, 1);
-lean_inc(x_21);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_18 = lean_ctor_get(x_9, 0);
+x_19 = lean_ctor_get(x_9, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_9);
+x_20 = lean_ctor_get(x_18, 0);
 lean_inc(x_20);
-lean_dec(x_11);
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_18);
+lean_inc(x_20);
+x_21 = l_Lean_MetavarContext_getDecl(x_20, x_1);
+x_22 = lean_ctor_get(x_21, 3);
 lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_ctor_get(x_20, 0);
+lean_inc(x_23);
 lean_dec(x_20);
-lean_inc(x_22);
-x_23 = l_Lean_MetavarContext_getDecl(x_22, x_1);
-x_24 = lean_ctor_get(x_23, 3);
-lean_inc(x_24);
+x_24 = lean_nat_dec_eq(x_22, x_23);
 lean_dec(x_23);
-x_25 = lean_ctor_get(x_22, 0);
-lean_inc(x_25);
 lean_dec(x_22);
-x_26 = lean_nat_dec_eq(x_24, x_25);
-lean_dec(x_25);
-lean_dec(x_24);
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_21);
-return x_28;
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_19);
+return x_26;
 }
 }
 }
@@ -7301,101 +6709,97 @@ return x_9;
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_tryResolveCore___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_9, 1);
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 2);
-lean_inc(x_16);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-lean_dec(x_15);
-lean_free_object(x_11);
-x_18 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
-x_19 = l_panic___at_Lean_Meta_SynthInstance_tryResolveCore___spec__5(x_18, x_2, x_3, x_4, x_5, x_14);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_ctor_get(x_15, 0);
-lean_inc(x_21);
-lean_dec(x_15);
-x_22 = lean_nat_dec_eq(x_20, x_21);
-lean_dec(x_21);
-lean_dec(x_20);
-x_23 = lean_box(x_22);
-lean_ctor_set(x_11, 0, x_23);
-return x_11;
-}
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_24 = lean_ctor_get(x_11, 0);
-x_25 = lean_ctor_get(x_11, 1);
-lean_inc(x_25);
-lean_inc(x_24);
+lean_inc(x_13);
 lean_dec(x_11);
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = lean_ctor_get(x_26, 2);
-lean_inc(x_27);
-x_28 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_27, x_1);
-if (lean_obj_tag(x_28) == 0)
+x_14 = lean_ctor_get(x_13, 2);
+lean_inc(x_14);
+x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_14, x_1);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_26);
-x_29 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
-x_30 = l_panic___at_Lean_Meta_SynthInstance_tryResolveCore___spec__5(x_29, x_2, x_3, x_4, x_5, x_25);
-return x_30;
+lean_object* x_16; lean_object* x_17; 
+lean_dec(x_13);
+lean_free_object(x_9);
+x_16 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
+x_17 = l_panic___at_Lean_Meta_SynthInstance_tryResolveCore___spec__5(x_16, x_2, x_3, x_4, x_5, x_12);
+return x_17;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_31 = lean_ctor_get(x_28, 0);
-lean_inc(x_31);
-lean_dec(x_28);
-x_32 = lean_ctor_get(x_26, 0);
-lean_inc(x_32);
+x_18 = lean_ctor_get(x_15, 0);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = lean_ctor_get(x_13, 0);
+lean_inc(x_19);
+lean_dec(x_13);
+x_20 = lean_nat_dec_eq(x_18, x_19);
+lean_dec(x_19);
+lean_dec(x_18);
+x_21 = lean_box(x_20);
+lean_ctor_set(x_9, 0, x_21);
+return x_9;
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_ctor_get(x_24, 2);
+lean_inc(x_25);
+x_26 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_25, x_1);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; lean_object* x_28; 
+lean_dec(x_24);
+x_27 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__4;
+x_28 = l_panic___at_Lean_Meta_SynthInstance_tryResolveCore___spec__5(x_27, x_2, x_3, x_4, x_5, x_23);
+return x_28;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_29 = lean_ctor_get(x_26, 0);
+lean_inc(x_29);
 lean_dec(x_26);
-x_33 = lean_nat_dec_eq(x_31, x_32);
-lean_dec(x_32);
-lean_dec(x_31);
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_25);
-return x_35;
+x_30 = lean_ctor_get(x_24, 0);
+lean_inc(x_30);
+lean_dec(x_24);
+x_31 = lean_nat_dec_eq(x_29, x_30);
+lean_dec(x_30);
+lean_dec(x_29);
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_23);
+return x_33;
 }
 }
 }
@@ -19153,7 +18557,7 @@ return x_9;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_mkTableKey___at_Lean_Meta_SynthInstance_main___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
 x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
@@ -19190,345 +18594,72 @@ lean_dec(x_20);
 x_22 = lean_st_ref_take(x_3, x_21);
 x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_19, sizeof(void*)*8);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_25 = lean_ctor_get(x_23, 0);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
 lean_dec(x_22);
-x_27 = lean_ctor_get(x_19, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_19, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_19, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_19, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_19, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_19, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_19, 7);
-lean_inc(x_34);
-lean_dec(x_19);
-x_35 = !lean_is_exclusive(x_23);
-if (x_35 == 0)
+x_25 = !lean_is_exclusive(x_23);
+if (x_25 == 0)
 {
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_23, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_25);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_38 = lean_ctor_get(x_25, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_25, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_25, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_25, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_25, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_25, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_25, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_25, 0);
-lean_dec(x_45);
-lean_ctor_set(x_25, 7, x_34);
-lean_ctor_set(x_25, 6, x_33);
-lean_ctor_set(x_25, 5, x_32);
-lean_ctor_set(x_25, 4, x_31);
-lean_ctor_set(x_25, 3, x_30);
-lean_ctor_set(x_25, 2, x_29);
-lean_ctor_set(x_25, 1, x_28);
-lean_ctor_set(x_25, 0, x_27);
-x_46 = lean_st_ref_set(x_3, x_23, x_26);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-lean_ctor_set(x_46, 0, x_17);
-return x_46;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_46, 1);
-lean_inc(x_49);
-lean_dec(x_46);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_17);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
-}
-}
-else
-{
-uint8_t x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_51 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-lean_dec(x_25);
-x_52 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_52, 0, x_27);
-lean_ctor_set(x_52, 1, x_28);
-lean_ctor_set(x_52, 2, x_29);
-lean_ctor_set(x_52, 3, x_30);
-lean_ctor_set(x_52, 4, x_31);
-lean_ctor_set(x_52, 5, x_32);
-lean_ctor_set(x_52, 6, x_33);
-lean_ctor_set(x_52, 7, x_34);
-lean_ctor_set_uint8(x_52, sizeof(void*)*8, x_51);
-lean_ctor_set(x_23, 0, x_52);
-x_53 = lean_st_ref_set(x_3, x_23, x_26);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_53)) {
- lean_ctor_release(x_53, 0);
- lean_ctor_release(x_53, 1);
- x_55 = x_53;
-} else {
- lean_dec_ref(x_53);
- x_55 = lean_box(0);
-}
-if (lean_is_scalar(x_55)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_55;
-}
-lean_ctor_set(x_56, 0, x_17);
-lean_ctor_set(x_56, 1, x_54);
-return x_56;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_57 = lean_ctor_get(x_23, 1);
-x_58 = lean_ctor_get(x_23, 2);
-x_59 = lean_ctor_get(x_23, 3);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_23);
-x_60 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- lean_ctor_release(x_25, 2);
- lean_ctor_release(x_25, 3);
- lean_ctor_release(x_25, 4);
- lean_ctor_release(x_25, 5);
- lean_ctor_release(x_25, 6);
- lean_ctor_release(x_25, 7);
- x_61 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_61 = lean_box(0);
-}
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_62 = x_61;
-}
-lean_ctor_set(x_62, 0, x_27);
-lean_ctor_set(x_62, 1, x_28);
-lean_ctor_set(x_62, 2, x_29);
-lean_ctor_set(x_62, 3, x_30);
-lean_ctor_set(x_62, 4, x_31);
-lean_ctor_set(x_62, 5, x_32);
-lean_ctor_set(x_62, 6, x_33);
-lean_ctor_set(x_62, 7, x_34);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_60);
-x_63 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-lean_ctor_set(x_63, 2, x_58);
-lean_ctor_set(x_63, 3, x_59);
-x_64 = lean_st_ref_set(x_3, x_63, x_26);
-x_65 = lean_ctor_get(x_64, 1);
-lean_inc(x_65);
-if (lean_is_exclusive(x_64)) {
- lean_ctor_release(x_64, 0);
- lean_ctor_release(x_64, 1);
- x_66 = x_64;
-} else {
- lean_dec_ref(x_64);
- x_66 = lean_box(0);
-}
-if (lean_is_scalar(x_66)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_67 = x_66;
-}
-lean_ctor_set(x_67, 0, x_17);
-lean_ctor_set(x_67, 1, x_65);
-return x_67;
-}
-}
-else
-{
-lean_object* x_68; uint8_t x_69; 
-x_68 = lean_ctor_get(x_22, 1);
-lean_inc(x_68);
-lean_dec(x_22);
-x_69 = !lean_is_exclusive(x_19);
-if (x_69 == 0)
-{
-uint8_t x_70; 
-x_70 = !lean_is_exclusive(x_23);
-if (x_70 == 0)
-{
-lean_object* x_71; uint8_t x_72; lean_object* x_73; uint8_t x_74; 
-x_71 = lean_ctor_get(x_23, 0);
-lean_dec(x_71);
-x_72 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_72);
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_23, 0);
+lean_dec(x_26);
 lean_ctor_set(x_23, 0, x_19);
-x_73 = lean_st_ref_set(x_3, x_23, x_68);
-x_74 = !lean_is_exclusive(x_73);
-if (x_74 == 0)
+x_27 = lean_st_ref_set(x_3, x_23, x_24);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
 {
-lean_object* x_75; 
-x_75 = lean_ctor_get(x_73, 0);
-lean_dec(x_75);
-lean_ctor_set(x_73, 0, x_17);
-return x_73;
+lean_object* x_29; 
+x_29 = lean_ctor_get(x_27, 0);
+lean_dec(x_29);
+lean_ctor_set(x_27, 0, x_17);
+return x_27;
 }
 else
 {
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_73, 1);
-lean_inc(x_76);
-lean_dec(x_73);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_17);
-lean_ctor_set(x_77, 1, x_76);
-return x_77;
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_27, 1);
+lean_inc(x_30);
+lean_dec(x_27);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_17);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
 }
 }
 else
 {
-lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; 
-x_78 = lean_ctor_get(x_23, 1);
-x_79 = lean_ctor_get(x_23, 2);
-x_80 = lean_ctor_get(x_23, 3);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_32 = lean_ctor_get(x_23, 1);
+x_33 = lean_ctor_get(x_23, 2);
+x_34 = lean_ctor_get(x_23, 3);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_inc(x_32);
 lean_dec(x_23);
-x_81 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_81);
-x_82 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_82, 0, x_19);
-lean_ctor_set(x_82, 1, x_78);
-lean_ctor_set(x_82, 2, x_79);
-lean_ctor_set(x_82, 3, x_80);
-x_83 = lean_st_ref_set(x_3, x_82, x_68);
-x_84 = lean_ctor_get(x_83, 1);
-lean_inc(x_84);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_85 = x_83;
+x_35 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_35, 0, x_19);
+lean_ctor_set(x_35, 1, x_32);
+lean_ctor_set(x_35, 2, x_33);
+lean_ctor_set(x_35, 3, x_34);
+x_36 = lean_st_ref_set(x_3, x_35, x_24);
+x_37 = lean_ctor_get(x_36, 1);
+lean_inc(x_37);
+if (lean_is_exclusive(x_36)) {
+ lean_ctor_release(x_36, 0);
+ lean_ctor_release(x_36, 1);
+ x_38 = x_36;
 } else {
- lean_dec_ref(x_83);
- x_85 = lean_box(0);
+ lean_dec_ref(x_36);
+ x_38 = lean_box(0);
 }
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_38)) {
+ x_39 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_86 = x_85;
-}
-lean_ctor_set(x_86, 0, x_17);
-lean_ctor_set(x_86, 1, x_84);
-return x_86;
-}
-}
-else
-{
-lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-x_87 = lean_ctor_get(x_19, 0);
-x_88 = lean_ctor_get(x_19, 1);
-x_89 = lean_ctor_get(x_19, 2);
-x_90 = lean_ctor_get(x_19, 3);
-x_91 = lean_ctor_get(x_19, 4);
-x_92 = lean_ctor_get(x_19, 5);
-x_93 = lean_ctor_get(x_19, 6);
-x_94 = lean_ctor_get(x_19, 7);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_inc(x_88);
-lean_inc(x_87);
-lean_dec(x_19);
-x_95 = lean_ctor_get(x_23, 1);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_23, 2);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_23, 3);
-lean_inc(x_97);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- lean_ctor_release(x_23, 2);
- lean_ctor_release(x_23, 3);
- x_98 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_98 = lean_box(0);
-}
-x_99 = 1;
-x_100 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_100, 0, x_87);
-lean_ctor_set(x_100, 1, x_88);
-lean_ctor_set(x_100, 2, x_89);
-lean_ctor_set(x_100, 3, x_90);
-lean_ctor_set(x_100, 4, x_91);
-lean_ctor_set(x_100, 5, x_92);
-lean_ctor_set(x_100, 6, x_93);
-lean_ctor_set(x_100, 7, x_94);
-lean_ctor_set_uint8(x_100, sizeof(void*)*8, x_99);
-if (lean_is_scalar(x_98)) {
- x_101 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_101 = x_98;
-}
-lean_ctor_set(x_101, 0, x_100);
-lean_ctor_set(x_101, 1, x_95);
-lean_ctor_set(x_101, 2, x_96);
-lean_ctor_set(x_101, 3, x_97);
-x_102 = lean_st_ref_set(x_3, x_101, x_68);
-x_103 = lean_ctor_get(x_102, 1);
-lean_inc(x_103);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_104 = x_102;
-} else {
- lean_dec_ref(x_102);
- x_104 = lean_box(0);
-}
-if (lean_is_scalar(x_104)) {
- x_105 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_105 = x_104;
-}
-lean_ctor_set(x_105, 0, x_17);
-lean_ctor_set(x_105, 1, x_103);
-return x_105;
+ x_39 = x_38;
 }
+lean_ctor_set(x_39, 0, x_17);
+lean_ctor_set(x_39, 1, x_37);
+return x_39;
 }
 }
 }
@@ -23196,78 +22327,73 @@ return x_25;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
 x_26 = lean_ctor_get(x_14, 0);
 x_27 = lean_ctor_get(x_14, 1);
 x_28 = lean_ctor_get(x_14, 3);
 x_29 = lean_ctor_get(x_14, 4);
 x_30 = lean_ctor_get(x_14, 5);
-x_31 = lean_ctor_get(x_14, 6);
-x_32 = lean_ctor_get(x_14, 2);
-lean_inc(x_31);
+x_31 = lean_ctor_get(x_14, 2);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
-lean_inc(x_32);
+lean_inc(x_31);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_dec(x_14);
 lean_inc(x_3);
-x_33 = l_Std_PersistentHashMap_insert___at_Lean_Meta_synthInstance_x3f___spec__4(x_32, x_1, x_3);
-x_34 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_34, 0, x_26);
-lean_ctor_set(x_34, 1, x_27);
-lean_ctor_set(x_34, 2, x_33);
-lean_ctor_set(x_34, 3, x_28);
-lean_ctor_set(x_34, 4, x_29);
-lean_ctor_set(x_34, 5, x_30);
-lean_ctor_set(x_34, 6, x_31);
-lean_ctor_set(x_13, 1, x_34);
-x_35 = lean_st_ref_set(x_5, x_13, x_15);
-x_36 = lean_ctor_get(x_35, 1);
-lean_inc(x_36);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- x_37 = x_35;
+x_32 = l_Std_PersistentHashMap_insert___at_Lean_Meta_synthInstance_x3f___spec__4(x_31, x_1, x_3);
+x_33 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_33, 0, x_26);
+lean_ctor_set(x_33, 1, x_27);
+lean_ctor_set(x_33, 2, x_32);
+lean_ctor_set(x_33, 3, x_28);
+lean_ctor_set(x_33, 4, x_29);
+lean_ctor_set(x_33, 5, x_30);
+lean_ctor_set(x_13, 1, x_33);
+x_34 = lean_st_ref_set(x_5, x_13, x_15);
+x_35 = lean_ctor_get(x_34, 1);
+lean_inc(x_35);
+if (lean_is_exclusive(x_34)) {
+ lean_ctor_release(x_34, 0);
+ lean_ctor_release(x_34, 1);
+ x_36 = x_34;
 } else {
- lean_dec_ref(x_35);
- x_37 = lean_box(0);
+ lean_dec_ref(x_34);
+ x_36 = lean_box(0);
 }
-if (lean_is_scalar(x_37)) {
- x_38 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_36)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_38 = x_37;
+ x_37 = x_36;
 }
-lean_ctor_set(x_38, 0, x_3);
-lean_ctor_set(x_38, 1, x_36);
-return x_38;
+lean_ctor_set(x_37, 0, x_3);
+lean_ctor_set(x_37, 1, x_35);
+return x_37;
 }
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_39 = lean_ctor_get(x_13, 0);
-x_40 = lean_ctor_get(x_13, 2);
-x_41 = lean_ctor_get(x_13, 3);
-lean_inc(x_41);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_38 = lean_ctor_get(x_13, 0);
+x_39 = lean_ctor_get(x_13, 2);
+x_40 = lean_ctor_get(x_13, 3);
 lean_inc(x_40);
 lean_inc(x_39);
+lean_inc(x_38);
 lean_dec(x_13);
-x_42 = lean_ctor_get(x_14, 0);
+x_41 = lean_ctor_get(x_14, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_14, 1);
 lean_inc(x_42);
-x_43 = lean_ctor_get(x_14, 1);
+x_43 = lean_ctor_get(x_14, 3);
 lean_inc(x_43);
-x_44 = lean_ctor_get(x_14, 3);
+x_44 = lean_ctor_get(x_14, 4);
 lean_inc(x_44);
-x_45 = lean_ctor_get(x_14, 4);
+x_45 = lean_ctor_get(x_14, 5);
 lean_inc(x_45);
-x_46 = lean_ctor_get(x_14, 5);
+x_46 = lean_ctor_get(x_14, 2);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_14, 6);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_14, 2);
-lean_inc(x_48);
 if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 0);
  lean_ctor_release(x_14, 1);
@@ -23275,72 +22401,70 @@ if (lean_is_exclusive(x_14)) {
  lean_ctor_release(x_14, 3);
  lean_ctor_release(x_14, 4);
  lean_ctor_release(x_14, 5);
- lean_ctor_release(x_14, 6);
- x_49 = x_14;
+ x_47 = x_14;
 } else {
  lean_dec_ref(x_14);
- x_49 = lean_box(0);
+ x_47 = lean_box(0);
 }
 lean_inc(x_3);
-x_50 = l_Std_PersistentHashMap_insert___at_Lean_Meta_synthInstance_x3f___spec__4(x_48, x_1, x_3);
-if (lean_is_scalar(x_49)) {
- x_51 = lean_alloc_ctor(0, 7, 0);
+x_48 = l_Std_PersistentHashMap_insert___at_Lean_Meta_synthInstance_x3f___spec__4(x_46, x_1, x_3);
+if (lean_is_scalar(x_47)) {
+ x_49 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_51 = x_49;
+ x_49 = x_47;
 }
-lean_ctor_set(x_51, 0, x_42);
-lean_ctor_set(x_51, 1, x_43);
-lean_ctor_set(x_51, 2, x_50);
-lean_ctor_set(x_51, 3, x_44);
-lean_ctor_set(x_51, 4, x_45);
-lean_ctor_set(x_51, 5, x_46);
-lean_ctor_set(x_51, 6, x_47);
-x_52 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_52, 0, x_39);
-lean_ctor_set(x_52, 1, x_51);
-lean_ctor_set(x_52, 2, x_40);
-lean_ctor_set(x_52, 3, x_41);
-x_53 = lean_st_ref_set(x_5, x_52, x_15);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_53)) {
- lean_ctor_release(x_53, 0);
- lean_ctor_release(x_53, 1);
- x_55 = x_53;
+lean_ctor_set(x_49, 0, x_41);
+lean_ctor_set(x_49, 1, x_42);
+lean_ctor_set(x_49, 2, x_48);
+lean_ctor_set(x_49, 3, x_43);
+lean_ctor_set(x_49, 4, x_44);
+lean_ctor_set(x_49, 5, x_45);
+x_50 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_50, 0, x_38);
+lean_ctor_set(x_50, 1, x_49);
+lean_ctor_set(x_50, 2, x_39);
+lean_ctor_set(x_50, 3, x_40);
+x_51 = lean_st_ref_set(x_5, x_50, x_15);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_53 = x_51;
 } else {
- lean_dec_ref(x_53);
- x_55 = lean_box(0);
+ lean_dec_ref(x_51);
+ x_53 = lean_box(0);
 }
-if (lean_is_scalar(x_55)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_53)) {
+ x_54 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_56 = x_55;
+ x_54 = x_53;
 }
+lean_ctor_set(x_54, 0, x_3);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
+}
+}
+else
+{
+lean_object* x_55; 
+lean_dec(x_1);
+x_55 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_55, 0, x_3);
+lean_ctor_set(x_55, 1, x_8);
+return x_55;
+}
+}
+else
+{
+lean_object* x_56; 
+lean_dec(x_1);
+x_56 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_56, 0, x_3);
-lean_ctor_set(x_56, 1, x_54);
+lean_ctor_set(x_56, 1, x_8);
 return x_56;
 }
 }
-else
-{
-lean_object* x_57; 
-lean_dec(x_1);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_3);
-lean_ctor_set(x_57, 1, x_8);
-return x_57;
-}
-}
-else
-{
-lean_object* x_58; 
-lean_dec(x_1);
-x_58 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_58, 0, x_3);
-lean_ctor_set(x_58, 1, x_8);
-return x_58;
-}
-}
 }
 static lean_object* _init_l_Lean_Meta_synthInstance_x3f___lambda__4___closed__1() {
 _start:
@@ -26018,52 +25142,48 @@ return x_20;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 6);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_15, x_1);
-x_17 = lean_box(x_16);
-lean_ctor_set(x_11, 0, x_17);
-return x_11;
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_ctor_get(x_12, 6);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_13, x_1);
+x_15 = lean_box(x_14);
+lean_ctor_set(x_9, 0, x_15);
+return x_9;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
-x_18 = lean_ctor_get(x_11, 0);
-x_19 = lean_ctor_get(x_11, 1);
-lean_inc(x_19);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; 
+x_16 = lean_ctor_get(x_9, 0);
+x_17 = lean_ctor_get(x_9, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_9);
+x_18 = lean_ctor_get(x_16, 0);
 lean_inc(x_18);
-lean_dec(x_11);
-x_20 = lean_ctor_get(x_18, 0);
-lean_inc(x_20);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_18, 6);
+lean_inc(x_19);
 lean_dec(x_18);
-x_21 = lean_ctor_get(x_20, 6);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_21, x_1);
-x_23 = lean_box(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_19);
-return x_24;
+x_20 = l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1(x_19, x_1);
+x_21 = lean_box(x_20);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_17);
+return x_22;
 }
 }
 }
@@ -27445,7 +26565,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8431_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8430_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -27824,10 +26944,10 @@ l_Lean_Meta_SynthInstance_MkTableKey_instMonadMCtxM___closed__3 = _init_l_Lean_M
 lean_mark_persistent(l_Lean_Meta_SynthInstance_MkTableKey_instMonadMCtxM___closed__3);
 l_Lean_Meta_SynthInstance_MkTableKey_instMonadMCtxM = _init_l_Lean_Meta_SynthInstance_MkTableKey_instMonadMCtxM();
 lean_mark_persistent(l_Lean_Meta_SynthInstance_MkTableKey_instMonadMCtxM);
-l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1 = _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1();
-lean_mark_persistent(l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__1);
-l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2 = _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2();
-lean_mark_persistent(l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__3___closed__2);
+l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1 = _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1();
+lean_mark_persistent(l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__1);
+l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2 = _init_l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2();
+lean_mark_persistent(l_panic___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__2___closed__2);
 l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1 = _init_l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1();
 lean_mark_persistent(l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1);
 l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__2 = _init_l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__2();
@@ -28102,7 +27222,7 @@ l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___c
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__5);
 l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6 = _init_l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6();
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8431_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_8430_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/AC/Main.c b/stage0/stdlib/Lean/Meta/Tactic/AC/Main.c
index ee6e206f78..6ed0687cae 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/AC/Main.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/AC/Main.c
@@ -39,7 +39,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_AC_buildNormProof(lean_object*, lean_object
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Lean_Meta_AC_getInstance___closed__6;
-LEAN_EXPORT lean_object* l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2198_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2197_(lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSet_toArray___at_Lean_Meta_AC_toACExpr___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_AC_toACExpr_toPreExpr___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Meta_AC_ac__refl__tactic___closed__10;
@@ -100,7 +100,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_AC_toACExpr_toPreExpr___lambda__1___boxed(l
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_Simp_neutralConfig;
 static lean_object* l_Lean_Meta_AC_buildNormProof_convert___closed__3;
-lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Meta_AC_ac__refl__tactic___closed__11;
 static lean_object* l_Lean_Meta_AC_buildNormProof_mkContext___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_AC_buildNormProof_convert(lean_object*);
@@ -135,6 +134,7 @@ static lean_object* l_Lean_Meta_AC_buildNormProof___closed__8;
 static lean_object* l___regBuiltin_Lean_Meta_AC_ac__refl__tactic___closed__7;
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Data_AC_Expr_toList(lean_object*);
+lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Data_AC_removeNeutrals___at_Lean_Meta_AC_buildNormProof___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getMainGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5771,7 +5771,7 @@ x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
 lean_dec(x_25);
 x_28 = l_Lean_Meta_AC_rewriteUnnormalized___closed__4;
-x_29 = l_Lean_Meta_applyRefl(x_26, x_28, x_2, x_3, x_4, x_5, x_27);
+x_29 = l_Lean_MVarId_applyRefl(x_26, x_28, x_2, x_3, x_4, x_5, x_27);
 return x_29;
 }
 else
@@ -6176,7 +6176,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2198_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2197_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -6426,7 +6426,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Meta_AC_ac__refl__tactic_declRange___cl
 res = l___regBuiltin_Lean_Meta_AC_ac__refl__tactic_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2198_(lean_io_mk_world());
+res = l_Lean_Meta_AC_initFn____x40_Lean_Meta_Tactic_AC_Main___hyg_2197_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c b/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c
index 1f3032879e..028377b962 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Acyclic.c
@@ -13,90 +13,90 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+static lean_object* l_Lean_MVarId_acyclic_go___closed__18;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__28;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__14;
 lean_object* l_Lean_Meta_simpTarget(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__1;
-static lean_object* l_Lean_Meta_acyclic___lambda__2___closed__1;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__3;
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
-static lean_object* l_Lean_Meta_acyclic___lambda__2___closed__2;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__15;
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__21;
-static lean_object* l_Lean_Meta_acyclic_go___closed__19;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkLT(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__7;
 lean_object* l_Lean_Meta_SimpExtension_getTheorems(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__20;
 lean_object* l_Lean_Meta_mkAppM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__29;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__10;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__32;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__30;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__5;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__7;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__16;
+static lean_object* l_Lean_MVarId_acyclic___lambda__2___closed__1;
 lean_object* lean_array_push(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__5;
+static lean_object* l_Lean_MVarId_acyclic___lambda__2___closed__2;
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__24;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__22;
-static lean_object* l_Lean_Meta_acyclic_go___closed__33;
-static lean_object* l_Lean_Meta_acyclic_go___closed__18;
-static lean_object* l_Lean_Meta_acyclic_go___closed__13;
-static lean_object* l_Lean_Meta_acyclic_go___closed__23;
-static lean_object* l_Lean_Meta_acyclic_go___closed__14;
-static lean_object* l_Lean_Meta_acyclic_go___closed__28;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_862_(lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__15;
-static lean_object* l_Lean_Meta_acyclic_go___closed__30;
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__24;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__13;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__21;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__33;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__22;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__23;
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqSymm(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_simpExtension;
-static lean_object* l_Lean_Meta_acyclic___lambda__1___closed__2;
 lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__12;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__29;
 lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__16;
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__25;
+LEAN_EXPORT lean_object* l_Lean_MVarId_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_863_(lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__20;
-static lean_object* l_Lean_Meta_acyclic_go___closed__10;
-static lean_object* l_Lean_Meta_acyclic_go___closed__32;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__6;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__19;
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__11;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__3;
-static lean_object* l_Lean_Meta_acyclic___lambda__1___closed__1;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__2;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__8;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__17;
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__4;
-static lean_object* l_Lean_Meta_acyclic_go___closed__27;
-static lean_object* l_Lean_Meta_acyclic_go___closed__26;
-static lean_object* l_Lean_Meta_acyclic_go___closed__11;
-static lean_object* l_Lean_Meta_acyclic_go___closed__9;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__4;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__27;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__1;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__9;
 uint8_t l_Lean_Expr_isConstructorApp(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__31;
 lean_object* l_Lean_Meta_mkCongrArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFalseElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic_go___closed__31;
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__6;
-static lean_object* l_Lean_Meta_acyclic_go___closed__8;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_acyclic___lambda__1___closed__1;
 uint8_t l_Lean_Expr_occurs(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_acyclic_go___closed__25;
-static lean_object* l_Lean_Meta_acyclic_go___closed__17;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__12;
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_MVarId_isTarget(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_Simp_defaultMaxSteps;
-static lean_object* l_Lean_Meta_acyclic_go___closed__2;
+static lean_object* l_Lean_MVarId_acyclic_go___closed__26;
 lean_object* l_Lean_Exception_toMessageData(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+static lean_object* l_Lean_MVarId_acyclic___lambda__1___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Acyclic_0__Lean_MVarId_isTarget(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 uint8_t x_8; 
@@ -213,7 +213,7 @@ return x_34;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; lean_object* x_8; lean_object* x_9; 
@@ -225,7 +225,7 @@ lean_ctor_set(x_9, 1, x_6);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; lean_object* x_8; lean_object* x_9; 
@@ -237,7 +237,7 @@ lean_ctor_set(x_9, 1, x_6);
 return x_9;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__1() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -245,17 +245,17 @@ x_1 = lean_mk_string_from_bytes("Meta", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__2() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_acyclic_go___closed__1;
+x_2 = l_Lean_MVarId_acyclic_go___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__3() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -263,17 +263,17 @@ x_1 = lean_mk_string_from_bytes("Tactic", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__4() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__2;
-x_2 = l_Lean_Meta_acyclic_go___closed__3;
+x_1 = l_Lean_MVarId_acyclic_go___closed__2;
+x_2 = l_Lean_MVarId_acyclic_go___closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__5() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -281,25 +281,25 @@ x_1 = lean_mk_string_from_bytes("acyclic", 7);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__6() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__4;
-x_2 = l_Lean_Meta_acyclic_go___closed__5;
+x_1 = l_Lean_MVarId_acyclic_go___closed__4;
+x_2 = l_Lean_MVarId_acyclic_go___closed__5;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__7() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__7() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic_go___lambda__1___boxed), 6, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_acyclic_go___lambda__1___boxed), 6, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__8() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__8() {
 _start:
 {
 lean_object* x_1; 
@@ -307,16 +307,16 @@ x_1 = lean_mk_string_from_bytes("failed with\n", 12);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__9() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_acyclic_go___closed__8;
+x_1 = l_Lean_MVarId_acyclic_go___closed__8;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__10() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__10() {
 _start:
 {
 lean_object* x_1; 
@@ -324,16 +324,16 @@ x_1 = lean_mk_string_from_bytes("", 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__11() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__11() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_acyclic_go___closed__10;
+x_1 = l_Lean_MVarId_acyclic_go___closed__10;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__12() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__12() {
 _start:
 {
 lean_object* x_1; 
@@ -341,17 +341,17 @@ x_1 = lean_mk_string_from_bytes("SizeOf", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__13() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__13() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_acyclic_go___closed__12;
+x_2 = l_Lean_MVarId_acyclic_go___closed__12;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__14() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__14() {
 _start:
 {
 lean_object* x_1; 
@@ -359,17 +359,17 @@ x_1 = lean_mk_string_from_bytes("sizeOf", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__15() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__15() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__13;
-x_2 = l_Lean_Meta_acyclic_go___closed__14;
+x_1 = l_Lean_MVarId_acyclic_go___closed__13;
+x_2 = l_Lean_MVarId_acyclic_go___closed__14;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__16() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__16() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -378,7 +378,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__17() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__17() {
 _start:
 {
 lean_object* x_1; 
@@ -386,7 +386,7 @@ x_1 = l_Lean_Meta_simpExtension;
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__18() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__18() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; uint8_t x_3; uint8_t x_4; uint8_t x_5; lean_object* x_6; 
@@ -414,7 +414,7 @@ lean_ctor_set_uint8(x_6, sizeof(void*)*2 + 12, x_4);
 return x_6;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__19() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__19() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -423,7 +423,7 @@ x_2 = l_Std_mkHashMapImp___rarg(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__20() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__20() {
 _start:
 {
 lean_object* x_1; 
@@ -431,21 +431,21 @@ x_1 = l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__21() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__21() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_acyclic_go___closed__20;
+x_1 = l_Lean_MVarId_acyclic_go___closed__20;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__22() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__22() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__21;
+x_1 = l_Lean_MVarId_acyclic_go___closed__21;
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -453,13 +453,13 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__23() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__23() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = 1;
-x_2 = l_Lean_Meta_acyclic_go___closed__19;
-x_3 = l_Lean_Meta_acyclic_go___closed__22;
+x_2 = l_Lean_MVarId_acyclic_go___closed__19;
+x_3 = l_Lean_MVarId_acyclic_go___closed__22;
 x_4 = lean_alloc_ctor(0, 2, 1);
 lean_ctor_set(x_4, 0, x_2);
 lean_ctor_set(x_4, 1, x_3);
@@ -467,7 +467,7 @@ lean_ctor_set_uint8(x_4, sizeof(void*)*2, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__24() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__24() {
 _start:
 {
 lean_object* x_1; 
@@ -475,17 +475,17 @@ x_1 = lean_mk_string_from_bytes("Nat", 3);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__25() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__25() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_acyclic_go___closed__24;
+x_2 = l_Lean_MVarId_acyclic_go___closed__24;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__26() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__26() {
 _start:
 {
 lean_object* x_1; 
@@ -493,17 +493,17 @@ x_1 = lean_mk_string_from_bytes("lt_of_lt_of_eq", 14);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__27() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__27() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__25;
-x_2 = l_Lean_Meta_acyclic_go___closed__26;
+x_1 = l_Lean_MVarId_acyclic_go___closed__25;
+x_2 = l_Lean_MVarId_acyclic_go___closed__26;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__28() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__28() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -512,7 +512,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__29() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__29() {
 _start:
 {
 lean_object* x_1; 
@@ -520,25 +520,25 @@ x_1 = lean_mk_string_from_bytes("lt_irrefl", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__30() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__30() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_acyclic_go___closed__25;
-x_2 = l_Lean_Meta_acyclic_go___closed__29;
+x_1 = l_Lean_MVarId_acyclic_go___closed__25;
+x_2 = l_Lean_MVarId_acyclic_go___closed__29;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__31() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__31() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic_go___lambda__2___boxed), 6, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_acyclic_go___lambda__2___boxed), 6, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__32() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__32() {
 _start:
 {
 lean_object* x_1; 
@@ -546,22 +546,22 @@ x_1 = lean_mk_string_from_bytes("succeeded", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic_go___closed__33() {
+static lean_object* _init_l_Lean_MVarId_acyclic_go___closed__33() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_acyclic_go___closed__32;
+x_1 = l_Lean_MVarId_acyclic_go___closed__32;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_20; lean_object* x_21; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_50 = l_Lean_Meta_acyclic_go___closed__16;
+x_50 = l_Lean_MVarId_acyclic_go___closed__16;
 x_51 = lean_array_push(x_50, x_3);
-x_52 = l_Lean_Meta_acyclic_go___closed__15;
+x_52 = l_Lean_MVarId_acyclic_go___closed__15;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -611,7 +611,7 @@ lean_inc(x_65);
 x_66 = lean_ctor_get(x_64, 1);
 lean_inc(x_66);
 lean_dec(x_64);
-x_67 = l_Lean_Meta_acyclic_go___closed__17;
+x_67 = l_Lean_MVarId_acyclic_go___closed__17;
 x_68 = l_Lean_Meta_SimpExtension_getTheorems(x_67, x_7, x_8, x_66);
 x_69 = lean_ctor_get(x_68, 0);
 lean_inc(x_69);
@@ -622,8 +622,8 @@ lean_inc(x_65);
 x_71 = l_Lean_Expr_mvarId_x21(x_65);
 x_72 = lean_array_push(x_50, x_69);
 x_73 = lean_box(0);
-x_74 = l_Lean_Meta_acyclic_go___closed__18;
-x_75 = l_Lean_Meta_acyclic_go___closed__23;
+x_74 = l_Lean_MVarId_acyclic_go___closed__18;
+x_75 = l_Lean_MVarId_acyclic_go___closed__23;
 x_76 = lean_unsigned_to_nat(0u);
 x_77 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_77, 0, x_74);
@@ -675,10 +675,10 @@ lean_inc(x_87);
 x_88 = lean_ctor_get(x_86, 1);
 lean_inc(x_88);
 lean_dec(x_86);
-x_89 = l_Lean_Meta_acyclic_go___closed__28;
+x_89 = l_Lean_MVarId_acyclic_go___closed__28;
 x_90 = lean_array_push(x_89, x_65);
 x_91 = lean_array_push(x_90, x_87);
-x_92 = l_Lean_Meta_acyclic_go___closed__27;
+x_92 = l_Lean_MVarId_acyclic_go___closed__27;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -693,7 +693,7 @@ x_95 = lean_ctor_get(x_93, 1);
 lean_inc(x_95);
 lean_dec(x_93);
 x_96 = lean_array_push(x_50, x_54);
-x_97 = l_Lean_Meta_acyclic_go___closed__30;
+x_97 = l_Lean_MVarId_acyclic_go___closed__30;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -735,7 +735,7 @@ x_108 = l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(x_1, x_106, x_5,
 x_109 = lean_ctor_get(x_108, 1);
 lean_inc(x_109);
 lean_dec(x_108);
-x_110 = l_Lean_Meta_acyclic_go___closed__6;
+x_110 = l_Lean_MVarId_acyclic_go___closed__6;
 x_111 = lean_st_ref_get(x_8, x_109);
 x_112 = lean_ctor_get(x_111, 0);
 lean_inc(x_112);
@@ -750,7 +750,7 @@ lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118;
 x_115 = lean_ctor_get(x_111, 1);
 lean_inc(x_115);
 lean_dec(x_111);
-x_116 = l_Lean_Meta_acyclic_go___closed__31;
+x_116 = l_Lean_MVarId_acyclic_go___closed__31;
 x_117 = lean_box(0);
 lean_inc(x_8);
 lean_inc(x_7);
@@ -791,7 +791,7 @@ lean_inc(x_123);
 x_124 = lean_ctor_get(x_122, 1);
 lean_inc(x_124);
 lean_dec(x_122);
-x_125 = l_Lean_Meta_acyclic_go___closed__31;
+x_125 = l_Lean_MVarId_acyclic_go___closed__31;
 x_126 = lean_unbox(x_123);
 lean_dec(x_123);
 if (x_126 == 0)
@@ -828,7 +828,7 @@ goto block_49;
 else
 {
 lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_131 = l_Lean_Meta_acyclic_go___closed__33;
+x_131 = l_Lean_MVarId_acyclic_go___closed__33;
 x_132 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_110, x_131, x_5, x_6, x_7, x_8, x_124);
 x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
@@ -1110,7 +1110,7 @@ return x_18;
 block_49:
 {
 lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_22 = l_Lean_Meta_acyclic_go___closed__6;
+x_22 = l_Lean_MVarId_acyclic_go___closed__6;
 x_38 = lean_st_ref_get(x_8, x_21);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
@@ -1151,7 +1151,7 @@ goto block_37;
 block_37:
 {
 lean_object* x_25; 
-x_25 = l_Lean_Meta_acyclic_go___closed__7;
+x_25 = l_Lean_MVarId_acyclic_go___closed__7;
 if (x_23 == 0)
 {
 lean_object* x_26; lean_object* x_27; 
@@ -1165,11 +1165,11 @@ else
 {
 lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
 x_28 = l_Lean_Exception_toMessageData(x_20);
-x_29 = l_Lean_Meta_acyclic_go___closed__9;
+x_29 = l_Lean_MVarId_acyclic_go___closed__9;
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_Meta_acyclic_go___closed__11;
+x_31 = l_Lean_MVarId_acyclic_go___closed__11;
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
@@ -1187,11 +1187,11 @@ goto block_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_acyclic_go___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_MVarId_acyclic_go___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -1200,11 +1200,11 @@ lean_dec(x_1);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic_go___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic_go___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_acyclic_go___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_MVarId_acyclic_go___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -1213,7 +1213,7 @@ lean_dec(x_1);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_MVarId_acyclic___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1221,21 +1221,21 @@ x_1 = lean_mk_string_from_bytes("Eq", 2);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_MVarId_acyclic___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_acyclic___lambda__1___closed__1;
+x_2 = l_Lean_MVarId_acyclic___lambda__1___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = l_Lean_Meta_acyclic___lambda__1___closed__2;
+x_10 = l_Lean_MVarId_acyclic___lambda__1___closed__2;
 x_11 = lean_unsigned_to_nat(3u);
 x_12 = l_Lean_Expr_isAppOfArity(x_1, x_10, x_11);
 if (x_12 == 0)
@@ -1267,7 +1267,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_18);
 lean_inc(x_17);
-x_19 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(x_17, x_18, x_5, x_6, x_7, x_8, x_9);
+x_19 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_MVarId_isTarget(x_17, x_18, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_19) == 0)
 {
 lean_object* x_20; uint8_t x_21; 
@@ -1287,7 +1287,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_17);
 lean_inc(x_18);
-x_23 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_Meta_isTarget(x_18, x_17, x_5, x_6, x_7, x_8, x_22);
+x_23 = l___private_Lean_Meta_Tactic_Acyclic_0__Lean_MVarId_isTarget(x_18, x_17, x_5, x_6, x_7, x_8, x_22);
 if (lean_obj_tag(x_23) == 0)
 {
 lean_object* x_24; uint8_t x_25; 
@@ -1350,7 +1350,7 @@ lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
 lean_inc(x_37);
 lean_dec(x_35);
-x_38 = l_Lean_Meta_acyclic_go(x_3, x_36, x_18, x_17, x_5, x_6, x_7, x_8, x_37);
+x_38 = l_Lean_MVarId_acyclic_go(x_3, x_36, x_18, x_17, x_5, x_6, x_7, x_8, x_37);
 return x_38;
 }
 else
@@ -1421,7 +1421,7 @@ lean_object* x_47; lean_object* x_48;
 x_47 = lean_ctor_get(x_19, 1);
 lean_inc(x_47);
 lean_dec(x_19);
-x_48 = l_Lean_Meta_acyclic_go(x_3, x_2, x_17, x_18, x_5, x_6, x_7, x_8, x_47);
+x_48 = l_Lean_MVarId_acyclic_go(x_3, x_2, x_17, x_18, x_5, x_6, x_7, x_8, x_47);
 return x_48;
 }
 }
@@ -1458,7 +1458,7 @@ return x_52;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic___lambda__2___closed__1() {
+static lean_object* _init_l_Lean_MVarId_acyclic___lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1466,16 +1466,16 @@ x_1 = lean_mk_string_from_bytes("type: ", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_acyclic___lambda__2___closed__2() {
+static lean_object* _init_l_Lean_MVarId_acyclic___lambda__2___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_acyclic___lambda__2___closed__1;
+x_1 = l_Lean_MVarId_acyclic___lambda__2___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -1506,7 +1506,7 @@ lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_acyclic_go___closed__6;
+x_14 = l_Lean_MVarId_acyclic_go___closed__6;
 x_29 = lean_st_ref_get(x_6, x_13);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
@@ -1550,7 +1550,7 @@ if (x_15 == 0)
 {
 lean_object* x_17; lean_object* x_18; 
 x_17 = lean_box(0);
-x_18 = l_Lean_Meta_acyclic___lambda__1(x_12, x_1, x_2, x_17, x_3, x_4, x_5, x_6, x_16);
+x_18 = l_Lean_MVarId_acyclic___lambda__1(x_12, x_1, x_2, x_17, x_3, x_4, x_5, x_6, x_16);
 lean_dec(x_12);
 return x_18;
 }
@@ -1560,11 +1560,11 @@ lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean
 lean_inc(x_12);
 x_19 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_19, 0, x_12);
-x_20 = l_Lean_Meta_acyclic___lambda__2___closed__2;
+x_20 = l_Lean_MVarId_acyclic___lambda__2___closed__2;
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_20);
 lean_ctor_set(x_21, 1, x_19);
-x_22 = l_Lean_Meta_acyclic_go___closed__11;
+x_22 = l_Lean_MVarId_acyclic_go___closed__11;
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
@@ -1574,7 +1574,7 @@ lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
 lean_inc(x_26);
 lean_dec(x_24);
-x_27 = l_Lean_Meta_acyclic___lambda__1(x_12, x_1, x_2, x_25, x_3, x_4, x_5, x_6, x_26);
+x_27 = l_Lean_MVarId_acyclic___lambda__1(x_12, x_1, x_2, x_25, x_3, x_4, x_5, x_6, x_26);
 lean_dec(x_25);
 lean_dec(x_12);
 return x_27;
@@ -1640,33 +1640,33 @@ return x_47;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
 lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic___lambda__2), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_acyclic___lambda__2), 7, 2);
 lean_closure_set(x_8, 0, x_2);
 lean_closure_set(x_8, 1, x_1);
 x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_acyclic___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_acyclic___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
-x_10 = l_Lean_Meta_acyclic___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_10 = l_Lean_MVarId_acyclic___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_4);
 lean_dec(x_1);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_862_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_863_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Meta_acyclic_go___closed__6;
+x_2 = l_Lean_MVarId_acyclic_go___closed__6;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -1688,81 +1688,81 @@ lean_dec_ref(res);
 res = initialize_Lean_Meta_Tactic_Simp_Main(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Meta_acyclic_go___closed__1 = _init_l_Lean_Meta_acyclic_go___closed__1();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__1);
-l_Lean_Meta_acyclic_go___closed__2 = _init_l_Lean_Meta_acyclic_go___closed__2();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__2);
-l_Lean_Meta_acyclic_go___closed__3 = _init_l_Lean_Meta_acyclic_go___closed__3();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__3);
-l_Lean_Meta_acyclic_go___closed__4 = _init_l_Lean_Meta_acyclic_go___closed__4();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__4);
-l_Lean_Meta_acyclic_go___closed__5 = _init_l_Lean_Meta_acyclic_go___closed__5();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__5);
-l_Lean_Meta_acyclic_go___closed__6 = _init_l_Lean_Meta_acyclic_go___closed__6();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__6);
-l_Lean_Meta_acyclic_go___closed__7 = _init_l_Lean_Meta_acyclic_go___closed__7();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__7);
-l_Lean_Meta_acyclic_go___closed__8 = _init_l_Lean_Meta_acyclic_go___closed__8();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__8);
-l_Lean_Meta_acyclic_go___closed__9 = _init_l_Lean_Meta_acyclic_go___closed__9();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__9);
-l_Lean_Meta_acyclic_go___closed__10 = _init_l_Lean_Meta_acyclic_go___closed__10();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__10);
-l_Lean_Meta_acyclic_go___closed__11 = _init_l_Lean_Meta_acyclic_go___closed__11();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__11);
-l_Lean_Meta_acyclic_go___closed__12 = _init_l_Lean_Meta_acyclic_go___closed__12();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__12);
-l_Lean_Meta_acyclic_go___closed__13 = _init_l_Lean_Meta_acyclic_go___closed__13();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__13);
-l_Lean_Meta_acyclic_go___closed__14 = _init_l_Lean_Meta_acyclic_go___closed__14();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__14);
-l_Lean_Meta_acyclic_go___closed__15 = _init_l_Lean_Meta_acyclic_go___closed__15();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__15);
-l_Lean_Meta_acyclic_go___closed__16 = _init_l_Lean_Meta_acyclic_go___closed__16();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__16);
-l_Lean_Meta_acyclic_go___closed__17 = _init_l_Lean_Meta_acyclic_go___closed__17();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__17);
-l_Lean_Meta_acyclic_go___closed__18 = _init_l_Lean_Meta_acyclic_go___closed__18();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__18);
-l_Lean_Meta_acyclic_go___closed__19 = _init_l_Lean_Meta_acyclic_go___closed__19();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__19);
-l_Lean_Meta_acyclic_go___closed__20 = _init_l_Lean_Meta_acyclic_go___closed__20();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__20);
-l_Lean_Meta_acyclic_go___closed__21 = _init_l_Lean_Meta_acyclic_go___closed__21();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__21);
-l_Lean_Meta_acyclic_go___closed__22 = _init_l_Lean_Meta_acyclic_go___closed__22();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__22);
-l_Lean_Meta_acyclic_go___closed__23 = _init_l_Lean_Meta_acyclic_go___closed__23();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__23);
-l_Lean_Meta_acyclic_go___closed__24 = _init_l_Lean_Meta_acyclic_go___closed__24();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__24);
-l_Lean_Meta_acyclic_go___closed__25 = _init_l_Lean_Meta_acyclic_go___closed__25();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__25);
-l_Lean_Meta_acyclic_go___closed__26 = _init_l_Lean_Meta_acyclic_go___closed__26();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__26);
-l_Lean_Meta_acyclic_go___closed__27 = _init_l_Lean_Meta_acyclic_go___closed__27();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__27);
-l_Lean_Meta_acyclic_go___closed__28 = _init_l_Lean_Meta_acyclic_go___closed__28();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__28);
-l_Lean_Meta_acyclic_go___closed__29 = _init_l_Lean_Meta_acyclic_go___closed__29();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__29);
-l_Lean_Meta_acyclic_go___closed__30 = _init_l_Lean_Meta_acyclic_go___closed__30();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__30);
-l_Lean_Meta_acyclic_go___closed__31 = _init_l_Lean_Meta_acyclic_go___closed__31();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__31);
-l_Lean_Meta_acyclic_go___closed__32 = _init_l_Lean_Meta_acyclic_go___closed__32();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__32);
-l_Lean_Meta_acyclic_go___closed__33 = _init_l_Lean_Meta_acyclic_go___closed__33();
-lean_mark_persistent(l_Lean_Meta_acyclic_go___closed__33);
-l_Lean_Meta_acyclic___lambda__1___closed__1 = _init_l_Lean_Meta_acyclic___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_Meta_acyclic___lambda__1___closed__1);
-l_Lean_Meta_acyclic___lambda__1___closed__2 = _init_l_Lean_Meta_acyclic___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_Meta_acyclic___lambda__1___closed__2);
-l_Lean_Meta_acyclic___lambda__2___closed__1 = _init_l_Lean_Meta_acyclic___lambda__2___closed__1();
-lean_mark_persistent(l_Lean_Meta_acyclic___lambda__2___closed__1);
-l_Lean_Meta_acyclic___lambda__2___closed__2 = _init_l_Lean_Meta_acyclic___lambda__2___closed__2();
-lean_mark_persistent(l_Lean_Meta_acyclic___lambda__2___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_862_(lean_io_mk_world());
+l_Lean_MVarId_acyclic_go___closed__1 = _init_l_Lean_MVarId_acyclic_go___closed__1();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__1);
+l_Lean_MVarId_acyclic_go___closed__2 = _init_l_Lean_MVarId_acyclic_go___closed__2();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__2);
+l_Lean_MVarId_acyclic_go___closed__3 = _init_l_Lean_MVarId_acyclic_go___closed__3();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__3);
+l_Lean_MVarId_acyclic_go___closed__4 = _init_l_Lean_MVarId_acyclic_go___closed__4();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__4);
+l_Lean_MVarId_acyclic_go___closed__5 = _init_l_Lean_MVarId_acyclic_go___closed__5();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__5);
+l_Lean_MVarId_acyclic_go___closed__6 = _init_l_Lean_MVarId_acyclic_go___closed__6();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__6);
+l_Lean_MVarId_acyclic_go___closed__7 = _init_l_Lean_MVarId_acyclic_go___closed__7();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__7);
+l_Lean_MVarId_acyclic_go___closed__8 = _init_l_Lean_MVarId_acyclic_go___closed__8();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__8);
+l_Lean_MVarId_acyclic_go___closed__9 = _init_l_Lean_MVarId_acyclic_go___closed__9();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__9);
+l_Lean_MVarId_acyclic_go___closed__10 = _init_l_Lean_MVarId_acyclic_go___closed__10();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__10);
+l_Lean_MVarId_acyclic_go___closed__11 = _init_l_Lean_MVarId_acyclic_go___closed__11();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__11);
+l_Lean_MVarId_acyclic_go___closed__12 = _init_l_Lean_MVarId_acyclic_go___closed__12();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__12);
+l_Lean_MVarId_acyclic_go___closed__13 = _init_l_Lean_MVarId_acyclic_go___closed__13();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__13);
+l_Lean_MVarId_acyclic_go___closed__14 = _init_l_Lean_MVarId_acyclic_go___closed__14();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__14);
+l_Lean_MVarId_acyclic_go___closed__15 = _init_l_Lean_MVarId_acyclic_go___closed__15();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__15);
+l_Lean_MVarId_acyclic_go___closed__16 = _init_l_Lean_MVarId_acyclic_go___closed__16();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__16);
+l_Lean_MVarId_acyclic_go___closed__17 = _init_l_Lean_MVarId_acyclic_go___closed__17();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__17);
+l_Lean_MVarId_acyclic_go___closed__18 = _init_l_Lean_MVarId_acyclic_go___closed__18();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__18);
+l_Lean_MVarId_acyclic_go___closed__19 = _init_l_Lean_MVarId_acyclic_go___closed__19();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__19);
+l_Lean_MVarId_acyclic_go___closed__20 = _init_l_Lean_MVarId_acyclic_go___closed__20();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__20);
+l_Lean_MVarId_acyclic_go___closed__21 = _init_l_Lean_MVarId_acyclic_go___closed__21();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__21);
+l_Lean_MVarId_acyclic_go___closed__22 = _init_l_Lean_MVarId_acyclic_go___closed__22();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__22);
+l_Lean_MVarId_acyclic_go___closed__23 = _init_l_Lean_MVarId_acyclic_go___closed__23();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__23);
+l_Lean_MVarId_acyclic_go___closed__24 = _init_l_Lean_MVarId_acyclic_go___closed__24();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__24);
+l_Lean_MVarId_acyclic_go___closed__25 = _init_l_Lean_MVarId_acyclic_go___closed__25();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__25);
+l_Lean_MVarId_acyclic_go___closed__26 = _init_l_Lean_MVarId_acyclic_go___closed__26();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__26);
+l_Lean_MVarId_acyclic_go___closed__27 = _init_l_Lean_MVarId_acyclic_go___closed__27();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__27);
+l_Lean_MVarId_acyclic_go___closed__28 = _init_l_Lean_MVarId_acyclic_go___closed__28();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__28);
+l_Lean_MVarId_acyclic_go___closed__29 = _init_l_Lean_MVarId_acyclic_go___closed__29();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__29);
+l_Lean_MVarId_acyclic_go___closed__30 = _init_l_Lean_MVarId_acyclic_go___closed__30();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__30);
+l_Lean_MVarId_acyclic_go___closed__31 = _init_l_Lean_MVarId_acyclic_go___closed__31();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__31);
+l_Lean_MVarId_acyclic_go___closed__32 = _init_l_Lean_MVarId_acyclic_go___closed__32();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__32);
+l_Lean_MVarId_acyclic_go___closed__33 = _init_l_Lean_MVarId_acyclic_go___closed__33();
+lean_mark_persistent(l_Lean_MVarId_acyclic_go___closed__33);
+l_Lean_MVarId_acyclic___lambda__1___closed__1 = _init_l_Lean_MVarId_acyclic___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_acyclic___lambda__1___closed__1);
+l_Lean_MVarId_acyclic___lambda__1___closed__2 = _init_l_Lean_MVarId_acyclic___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_MVarId_acyclic___lambda__1___closed__2);
+l_Lean_MVarId_acyclic___lambda__2___closed__1 = _init_l_Lean_MVarId_acyclic___lambda__2___closed__1();
+lean_mark_persistent(l_Lean_MVarId_acyclic___lambda__2___closed__1);
+l_Lean_MVarId_acyclic___lambda__2___closed__2 = _init_l_Lean_MVarId_acyclic___lambda__2___closed__2();
+lean_mark_persistent(l_Lean_MVarId_acyclic___lambda__2___closed__2);
+res = l_Lean_MVarId_initFn____x40_Lean_Meta_Tactic_Acyclic___hyg_863_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Apply.c b/stage0/stdlib/Lean/Meta/Tactic/Apply.c
index 7bcbeba57b..83ddfe92f3 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Apply.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Apply.c
@@ -14,6 +14,7 @@
 extern "C" {
 #endif
 lean_object* l_List_reverse___rarg(lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply___lambda__3(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -24,7 +25,6 @@ lean_object* l_Lean_stringToMessageData(lean_object*);
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__6;
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_exfalso___lambda__1___closed__3;
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MVarId_apply___spec__4(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -38,12 +38,16 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_depends
 lean_object* l_Lean_MVarId_getTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3;
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion___rarg___lambda__1(lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_dependsOnOthers___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___closed__1;
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___lambda__1___closed__1;
+static lean_object* l_Lean_MVarId_exfalso___lambda__1___closed__2;
 static lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -51,14 +55,13 @@ LEAN_EXPORT lean_object* l_Lean_MVarId_apply___lambda__3___boxed(lean_object*, l
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__4;
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_applyRefl___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_exfalso___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_isAssigned___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_partitionDependentMVars___closed__1;
 lean_object* l_Lean_Meta_appendTag(lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_postprocessAppMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_dependsOnOthers(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_exfalso(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_synthAppInstances___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_partitionDependentMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_apply(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -66,12 +69,10 @@ lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_partitionDependentMVars___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitAndCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_exfalso___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MVarId_apply___spec__3(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_dependsOnOthers___spec__1___lambda__1___boxed(lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVarsNoDelayed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallMetaTelescopeReducingAux(lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -79,13 +80,13 @@ LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion___rarg___lambda__
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_dependsOnOthers___spec__1___lambda__1(lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_setTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___lambda__1___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_noConfusion(lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_exfalso___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_apply___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitAndCore___closed__1;
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__2;
-static lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3;
+static lean_object* l_Lean_MVarId_applyRefl___lambda__1___closed__1;
 lean_object* lean_name_append_index_after(lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -93,22 +94,21 @@ static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyEr
 LEAN_EXPORT lean_object* l_Lean_Meta_splitAndCore_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_toCtorIdx___boxed(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_exfalso___closed__2;
+LEAN_EXPORT lean_object* l_Lean_MVarId_applyRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__8;
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_exfalso___lambda__1___closed__4;
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__2;
 LEAN_EXPORT uint8_t l_Lean_Meta_ApplyConfig_newGoals___default;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_applyRefl___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__1;
+LEAN_EXPORT lean_object* l_Lean_MVarId_exfalso(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_applyRefl___lambda__1___closed__1;
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_List_forM___at_Lean_MVarId_apply___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t);
-static lean_object* l_Lean_Meta_exfalso___lambda__1___closed__5;
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_partitionDependentMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -123,14 +123,13 @@ static lean_object* l_Lean_Meta_splitAndCore___closed__2;
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Expr_bindingInfo_x21___spec__1(lean_object*);
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__4;
-static lean_object* l_Lean_Meta_exfalso___lambda__1___closed__1;
 lean_object* l_Lean_Meta_synthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_splitAnd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__3;
-static lean_object* l_Lean_Meta_exfalso___lambda__1___closed__2;
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
+static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2;
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_synthAppInstances(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__7;
@@ -140,27 +139,28 @@ static lean_object* l_Lean_Meta_splitAndCore_go___closed__5;
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__1;
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__7;
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Name_isAnonymous(lean_object*);
 static lean_object* l_Lean_Meta_getExpectedNumArgsAux___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_dependsOnOthers___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___lambda__1___closed__5;
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_MVarId_apply___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_headBetaType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FindMVar_main(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__3;
 lean_object* l_Lean_mkApp4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Nat_forM_loop___at_Lean_Meta_synthAppInstances___spec__1___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_reorderGoals___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_exfalso___lambda__1___closed__3;
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1;
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ApplyNewGoals_toCtorIdx(uint8_t);
 static lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_throwApplyError___rarg___closed__5;
 lean_object* l_Lean_MVarId_getType_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -169,11 +169,10 @@ LEAN_EXPORT lean_object* l_List_elem___at_Lean_MVarId_apply___spec__1___boxed(le
 static lean_object* l_Lean_MVarId_apply___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_reorderGoals___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_reorderGoals(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2;
-static lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitAndCore_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_splitAndCore_go___closed__4;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Apply_0__Lean_Meta_partitionDependentMVars___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT uint8_t l_List_elem___at_Lean_MVarId_apply___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -187,6 +186,7 @@ lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_Meta_appendParentTag___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_appendParentTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getExpectedNumArgsAux___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -4421,7 +4421,7 @@ x_7 = l_Lean_Meta_splitAndCore(x_1, x_2, x_3, x_4, x_5, x_6);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -4481,6 +4481,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_20 = !lean_is_exclusive(x_19);
 if (x_20 == 0)
 {
@@ -4506,7 +4507,7 @@ return x_25;
 }
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1() {
+static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4514,17 +4515,17 @@ x_1 = lean_mk_string_from_bytes("Eq", 2);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2() {
+static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1;
+x_2 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3() {
+static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -4532,17 +4533,17 @@ x_1 = lean_mk_string_from_bytes("refl", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4() {
+static lean_object* _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2;
-x_2 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3;
+x_1 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2;
+x_2 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
@@ -4562,7 +4563,7 @@ x_13 = lean_box(0);
 x_14 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_14, 0, x_11);
 lean_ctor_set(x_14, 1, x_13);
-x_15 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4;
+x_15 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4;
 x_16 = l_Lean_Expr_const___override(x_15, x_14);
 x_17 = 0;
 lean_inc(x_5);
@@ -4615,6 +4616,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_28 = !lean_is_exclusive(x_27);
 if (x_28 == 0)
 {
@@ -4640,17 +4642,17 @@ return x_33;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_applyRefl___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_MVarId_applyRefl___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3;
+x_2 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_applyRefl___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_applyRefl___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
@@ -4659,7 +4661,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
-x_8 = l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2(x_1, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2(x_1, x_3, x_4, x_5, x_6, x_7);
 x_9 = lean_ctor_get(x_8, 0);
 lean_inc(x_9);
 if (lean_obj_tag(x_9) == 0)
@@ -4668,7 +4670,7 @@ lean_object* x_10; lean_object* x_11; lean_object* x_12;
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_Meta_applyRefl___lambda__1___closed__1;
+x_11 = l_Lean_MVarId_applyRefl___lambda__1___closed__1;
 x_12 = l_Lean_Meta_throwTacticEx___rarg(x_11, x_1, x_2, x_3, x_4, x_5, x_6, x_10);
 return x_12;
 }
@@ -4717,26 +4719,26 @@ lean_dec(x_13);
 x_20 = lean_ctor_get(x_8, 1);
 lean_inc(x_20);
 lean_dec(x_8);
-x_21 = l_Lean_Meta_applyRefl___lambda__1___closed__1;
+x_21 = l_Lean_MVarId_applyRefl___lambda__1___closed__1;
 x_22 = l_Lean_Meta_throwTacticEx___rarg(x_21, x_1, x_2, x_3, x_4, x_5, x_6, x_20);
 return x_22;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_applyRefl(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_applyRefl(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
 lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_applyRefl___lambda__1), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_applyRefl___lambda__1), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_2);
 x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_MVarId_exfalso___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4744,27 +4746,27 @@ x_1 = lean_mk_string_from_bytes("False", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_MVarId_exfalso___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_exfalso___lambda__1___closed__1;
+x_2 = l_Lean_MVarId_exfalso___lambda__1___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___lambda__1___closed__3() {
+static lean_object* _init_l_Lean_MVarId_exfalso___lambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_exfalso___lambda__1___closed__2;
+x_2 = l_Lean_MVarId_exfalso___lambda__1___closed__2;
 x_3 = l_Lean_Expr_const___override(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___lambda__1___closed__4() {
+static lean_object* _init_l_Lean_MVarId_exfalso___lambda__1___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -4772,17 +4774,17 @@ x_1 = lean_mk_string_from_bytes("elim", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___lambda__1___closed__5() {
+static lean_object* _init_l_Lean_MVarId_exfalso___lambda__1___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Meta_exfalso___lambda__1___closed__2;
-x_2 = l_Lean_Meta_exfalso___lambda__1___closed__4;
+x_1 = l_Lean_MVarId_exfalso___lambda__1___closed__2;
+x_2 = l_Lean_MVarId_exfalso___lambda__1___closed__4;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_exfalso___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_exfalso___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -4839,7 +4841,7 @@ x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
 x_22 = lean_box(0);
-x_23 = l_Lean_Meta_exfalso___lambda__1___closed__3;
+x_23 = l_Lean_MVarId_exfalso___lambda__1___closed__3;
 lean_inc(x_3);
 x_24 = l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(x_23, x_20, x_3, x_4, x_5, x_6, x_21);
 x_25 = lean_ctor_get(x_24, 0);
@@ -4850,7 +4852,7 @@ lean_dec(x_24);
 x_27 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_27, 0, x_17);
 lean_ctor_set(x_27, 1, x_22);
-x_28 = l_Lean_Meta_exfalso___lambda__1___closed__5;
+x_28 = l_Lean_MVarId_exfalso___lambda__1___closed__5;
 x_29 = l_Lean_Expr_const___override(x_28, x_27);
 lean_inc(x_25);
 x_30 = l_Lean_mkAppB(x_29, x_14, x_25);
@@ -4998,7 +5000,7 @@ return x_53;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___closed__1() {
+static lean_object* _init_l_Lean_MVarId_exfalso___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -5006,23 +5008,23 @@ x_1 = lean_mk_string_from_bytes("exfalso", 7);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_exfalso___closed__2() {
+static lean_object* _init_l_Lean_MVarId_exfalso___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_exfalso___closed__1;
+x_2 = l_Lean_MVarId_exfalso___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_exfalso(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_exfalso(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_7 = l_Lean_Meta_exfalso___closed__2;
+x_7 = l_Lean_MVarId_exfalso___closed__2;
 lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_exfalso___lambda__1), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_exfalso___lambda__1), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_7);
 x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_1, x_8, x_2, x_3, x_4, x_5, x_6);
@@ -5113,30 +5115,30 @@ l_Lean_Meta_splitAndCore___closed__1 = _init_l_Lean_Meta_splitAndCore___closed__
 lean_mark_persistent(l_Lean_Meta_splitAndCore___closed__1);
 l_Lean_Meta_splitAndCore___closed__2 = _init_l_Lean_Meta_splitAndCore___closed__2();
 lean_mark_persistent(l_Lean_Meta_splitAndCore___closed__2);
-l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1 = _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__1);
-l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2 = _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__2);
-l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3 = _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__3);
-l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4 = _init_l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4();
-lean_mark_persistent(l_Lean_observing_x3f___at_Lean_Meta_applyRefl___spec__1___at_Lean_Meta_applyRefl___spec__2___closed__4);
-l_Lean_Meta_applyRefl___lambda__1___closed__1 = _init_l_Lean_Meta_applyRefl___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_Meta_applyRefl___lambda__1___closed__1);
-l_Lean_Meta_exfalso___lambda__1___closed__1 = _init_l_Lean_Meta_exfalso___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_Meta_exfalso___lambda__1___closed__1);
-l_Lean_Meta_exfalso___lambda__1___closed__2 = _init_l_Lean_Meta_exfalso___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_Meta_exfalso___lambda__1___closed__2);
-l_Lean_Meta_exfalso___lambda__1___closed__3 = _init_l_Lean_Meta_exfalso___lambda__1___closed__3();
-lean_mark_persistent(l_Lean_Meta_exfalso___lambda__1___closed__3);
-l_Lean_Meta_exfalso___lambda__1___closed__4 = _init_l_Lean_Meta_exfalso___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_Meta_exfalso___lambda__1___closed__4);
-l_Lean_Meta_exfalso___lambda__1___closed__5 = _init_l_Lean_Meta_exfalso___lambda__1___closed__5();
-lean_mark_persistent(l_Lean_Meta_exfalso___lambda__1___closed__5);
-l_Lean_Meta_exfalso___closed__1 = _init_l_Lean_Meta_exfalso___closed__1();
-lean_mark_persistent(l_Lean_Meta_exfalso___closed__1);
-l_Lean_Meta_exfalso___closed__2 = _init_l_Lean_Meta_exfalso___closed__2();
-lean_mark_persistent(l_Lean_Meta_exfalso___closed__2);
+l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1 = _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1();
+lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__1);
+l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2 = _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2();
+lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__2);
+l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3 = _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3();
+lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__3);
+l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4 = _init_l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4();
+lean_mark_persistent(l_Lean_observing_x3f___at_Lean_MVarId_applyRefl___spec__1___at_Lean_MVarId_applyRefl___spec__2___closed__4);
+l_Lean_MVarId_applyRefl___lambda__1___closed__1 = _init_l_Lean_MVarId_applyRefl___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_applyRefl___lambda__1___closed__1);
+l_Lean_MVarId_exfalso___lambda__1___closed__1 = _init_l_Lean_MVarId_exfalso___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_exfalso___lambda__1___closed__1);
+l_Lean_MVarId_exfalso___lambda__1___closed__2 = _init_l_Lean_MVarId_exfalso___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_MVarId_exfalso___lambda__1___closed__2);
+l_Lean_MVarId_exfalso___lambda__1___closed__3 = _init_l_Lean_MVarId_exfalso___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_MVarId_exfalso___lambda__1___closed__3);
+l_Lean_MVarId_exfalso___lambda__1___closed__4 = _init_l_Lean_MVarId_exfalso___lambda__1___closed__4();
+lean_mark_persistent(l_Lean_MVarId_exfalso___lambda__1___closed__4);
+l_Lean_MVarId_exfalso___lambda__1___closed__5 = _init_l_Lean_MVarId_exfalso___lambda__1___closed__5();
+lean_mark_persistent(l_Lean_MVarId_exfalso___lambda__1___closed__5);
+l_Lean_MVarId_exfalso___closed__1 = _init_l_Lean_MVarId_exfalso___closed__1();
+lean_mark_persistent(l_Lean_MVarId_exfalso___closed__1);
+l_Lean_MVarId_exfalso___closed__2 = _init_l_Lean_MVarId_exfalso___closed__2();
+lean_mark_persistent(l_Lean_MVarId_exfalso___closed__2);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Meta/Tactic/AuxLemma.c b/stage0/stdlib/Lean/Meta/Tactic/AuxLemma.c
index d52f47405e..540f36b70b 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/AuxLemma.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/AuxLemma.c
@@ -2124,14 +2124,13 @@ x_1 = l_Lean_Meta_mkAuxLemma___closed__6;
 x_2 = l_Lean_Meta_mkAuxLemma___closed__8;
 x_3 = l_Lean_Meta_AuxLemmas_lemmas___default___closed__3;
 x_4 = l_Lean_Meta_mkAuxLemma___closed__11;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Cases.c b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
index dcdb766be2..c91f584de3 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Cases.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Cases.c
@@ -14,22 +14,23 @@
 extern "C" {
 #endif
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_reverse___rarg(lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___closed__1;
+static lean_object* l_Lean_MVarId_byCases___closed__5;
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__4;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__24___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__46___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__26___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_substEqs___closed__1;
 lean_object* l_Lean_Meta_ensureAtMostOne(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -42,7 +43,7 @@ lean_object* l_Lean_Meta_unifyEq_x3f(lean_object*, lean_object*, lean_object*, l
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases_toByCasesSubgoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__40___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -57,12 +58,12 @@ LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__30___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__43___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_inductionCasesOn___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeIndices___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__39___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__1;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_mkOr(lean_object*, lean_object*);
@@ -72,6 +73,7 @@ lean_object* l_Lean_Meta_forallTelescopeReducing___at_Lean_Meta_getParamNames___
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__3(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__42___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__1;
@@ -79,22 +81,25 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_C
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_cases___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_mkCasesContext_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Nat_anyAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_clear(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_find(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_Context_majorTypeIndices___default___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_byCases___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__13(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_byCases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Nat_anyAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__10;
 uint8_t lean_name_eq(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__48(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__49___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__16(lean_object*, lean_object*, lean_object*);
@@ -106,7 +111,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_
 uint8_t l_Lean_Expr_isEq(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_anyAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__50(lean_object*, lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__18(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -118,7 +122,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tac
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__35___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__4;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__58(lean_object*, size_t, size_t);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__7;
@@ -126,20 +129,22 @@ LEAN_EXPORT lean_object* l_Nat_anyAux___at___private_Lean_Meta_Tactic_Cases_0__L
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
+static lean_object* l_Lean_MVarId_byCases___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__45(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__24(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_levelZero;
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__2;
 lean_object* lean_nat_add(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__50___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__22(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__27___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__9;
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__6;
@@ -148,7 +153,7 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__23(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__39(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_intro1Core(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -156,62 +161,57 @@ uint8_t l_Lean_Expr_isHEq(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__17(lean_object*, lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__8;
 lean_object* lean_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases_toByCasesSubgoal___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases_toByCasesSubgoal___closed__1;
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__4;
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases___closed__1;
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_unifyEqs_x3f___closed__1;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases___closed__5;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_byCases___closed__2;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__33___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__53___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_toCasesSubgoals(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases___closed__2;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__47___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwNestedTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases___closed__3;
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_apply(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__37(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__1;
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___lambda__1___closed__2;
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__19(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeIndices(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__45___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getInductiveUniverseAndParams(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___closed__3;
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__11;
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__3;
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__2;
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 lean_object* l_Nat_repr(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeTargetsEq___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__38___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__31___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___lambda__1___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_mkEqAndProof___closed__5;
 lean_object* l_Lean_Expr_sort___override(lean_object*);
@@ -219,7 +219,6 @@ static lean_object* l_Lean_Meta_getInductiveUniverseAndParams___closed__1;
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 uint8_t l_Lean_Environment_contains(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs___spec__1(lean_object*, size_t, size_t, lean_object*);
-static lean_object* l_Lean_Meta_substEqs___closed__1;
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__47(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__51(lean_object*, lean_object*, lean_object*, size_t, size_t);
@@ -235,31 +234,34 @@ static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__6;
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkEM(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__30(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_casesRec___spec__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_saturate(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__35(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__8___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___closed__1;
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_mkCasesContext_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__43(lean_object*, lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_mkCasesContext_x3f___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3318_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3335_(lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__37___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___closed__4;
 lean_object* l_Lean_throwError___at_Lean_Meta_mkSimpCongrTheorem___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__29(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1(lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_elimAuxIndices___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases_toByCasesSubgoal___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprMVarAt(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -272,6 +274,7 @@ static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_l
 lean_object* l_Lean_Expr_fvar___override(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_elimAuxIndices___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__8(lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_elimAuxIndices___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -282,17 +285,14 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__31(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs_loop___rarg___closed__5;
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__29___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_casesRec___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__14(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___closed__2;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 lean_object* l_Lean_mkNot(lean_object*);
@@ -301,21 +301,21 @@ uint8_t l_Lean_Expr_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__54___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_insert(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesRec___lambda__1___closed__1;
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_byCases___closed__3;
 lean_object* l_Lean_Meta_exactlyOne(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_withNewEqs___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapIdxM_map___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_toCasesSubgoals___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__48___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__17___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_unifyEqs_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___closed__6;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__10(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_byCases___closed__4;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__3;
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___closed__3;
@@ -330,7 +330,6 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__41(lean_object*, lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__22___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeIndices___lambda__1___closed__2;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__34(lean_object*, lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
@@ -341,36 +340,39 @@ lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_FVarId_getDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__53(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__21(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_generalizeIndices___lambda__1___closed__1;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__7;
 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_induction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__6___closed__2;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_generalizeTargetsEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__1;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__49(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__57(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__58___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___lambda__1___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__44___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__26(lean_object*, lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_acyclic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_casesAnd___lambda__1___closed__1;
 static lean_object* l_Lean_Meta_generalizeTargetsEq___lambda__3___closed__2;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___closed__2;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__9(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__40(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__55___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -388,24 +390,23 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwIn
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__32(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_unifyCasesEqs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cases_cases___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__6(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___rarg___closed__2;
 static lean_object* l_Lean_Meta_Cases_cases___lambda__2___closed__5;
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__33(lean_object*, lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_generalizeIndices___spec__1___lambda__6___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_toCasesSubgoals___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___closed__4;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__57___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_casesOnSuffix;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__42(lean_object*, lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__25(lean_object*, lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_mkApp3(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_casesAnd___closed__1;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_inductionCasesOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_throwInductiveTypeExpected___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -4503,7 +4504,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -5335,7 +5336,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -6167,7 +6168,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -6999,7 +7000,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -7831,7 +7832,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8663,7 +8664,7 @@ else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
 lean_inc(x_3);
-x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_3, x_4);
+x_50 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_3, x_4);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -9081,836 +9082,568 @@ uint8_t x_12;
 x_12 = lean_usize_dec_eq(x_5, x_6);
 if (x_12 == 0)
 {
-lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_23; uint8_t x_28; lean_object* x_29; 
+lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_23; uint8_t x_28; lean_object* x_29; lean_object* x_37; 
 x_13 = lean_array_uget(x_4, x_5);
 if (lean_obj_tag(x_13) == 0)
 {
-uint8_t x_37; 
-x_37 = 0;
-x_14 = x_37;
+uint8_t x_42; 
+x_42 = 0;
+x_14 = x_42;
 x_15 = x_11;
 goto block_22;
 }
 else
 {
-lean_object* x_38; uint8_t x_39; lean_object* x_248; lean_object* x_249; lean_object* x_250; uint8_t x_251; 
-x_38 = lean_ctor_get(x_13, 0);
-lean_inc(x_38);
+lean_object* x_43; uint8_t x_44; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_43 = lean_ctor_get(x_13, 0);
+lean_inc(x_43);
 lean_dec(x_13);
-x_248 = l_Lean_LocalDecl_fvarId(x_38);
-x_249 = lean_ctor_get(x_1, 3);
-x_250 = l_Lean_LocalDecl_fvarId(x_249);
-x_251 = lean_name_eq(x_248, x_250);
-lean_dec(x_250);
-if (x_251 == 0)
+x_185 = l_Lean_LocalDecl_fvarId(x_43);
+x_186 = lean_ctor_get(x_1, 3);
+x_187 = l_Lean_LocalDecl_fvarId(x_186);
+x_188 = lean_name_eq(x_185, x_187);
+lean_dec(x_187);
+if (x_188 == 0)
 {
-lean_object* x_252; uint8_t x_253; 
-x_252 = lean_unsigned_to_nat(0u);
-x_253 = lean_nat_dec_lt(x_252, x_3);
-if (x_253 == 0)
+lean_object* x_189; uint8_t x_190; 
+x_189 = lean_unsigned_to_nat(0u);
+x_190 = lean_nat_dec_lt(x_189, x_3);
+if (x_190 == 0)
 {
-uint8_t x_254; 
-lean_dec(x_248);
-x_254 = 0;
-x_39 = x_254;
-goto block_247;
+uint8_t x_191; 
+lean_dec(x_185);
+x_191 = 0;
+x_44 = x_191;
+goto block_184;
 }
 else
 {
-uint8_t x_255; 
-x_255 = lean_nat_dec_le(x_3, x_3);
-if (x_255 == 0)
+uint8_t x_192; 
+x_192 = lean_nat_dec_le(x_3, x_3);
+if (x_192 == 0)
 {
-uint8_t x_256; 
-lean_dec(x_248);
-x_256 = 0;
-x_39 = x_256;
-goto block_247;
+uint8_t x_193; 
+lean_dec(x_185);
+x_193 = 0;
+x_44 = x_193;
+goto block_184;
 }
 else
 {
-size_t x_257; size_t x_258; uint8_t x_259; 
-x_257 = 0;
-x_258 = lean_usize_of_nat(x_3);
-x_259 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52(x_248, x_2, x_257, x_258);
-lean_dec(x_248);
-x_39 = x_259;
-goto block_247;
+size_t x_194; size_t x_195; uint8_t x_196; 
+x_194 = 0;
+x_195 = lean_usize_of_nat(x_3);
+x_196 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52(x_185, x_2, x_194, x_195);
+lean_dec(x_185);
+x_44 = x_196;
+goto block_184;
 }
 }
 }
 else
 {
-lean_dec(x_248);
-lean_dec(x_38);
-x_28 = x_251;
+lean_dec(x_185);
+lean_dec(x_43);
+x_28 = x_188;
 x_29 = x_11;
 goto block_36;
 }
-block_247:
+block_184:
 {
-if (x_39 == 0)
+if (x_44 == 0)
 {
-if (lean_obj_tag(x_38) == 0)
+if (lean_obj_tag(x_43) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
-x_40 = lean_ctor_get(x_38, 3);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_st_ref_get(x_10, x_11);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_8, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+x_45 = lean_ctor_get(x_43, 3);
 lean_inc(x_45);
 lean_dec(x_43);
-x_122 = lean_ctor_get(x_44, 0);
-lean_inc(x_122);
-lean_dec(x_44);
-x_123 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
-x_124 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_124, 0, x_123);
-lean_ctor_set(x_124, 1, x_122);
-x_125 = l_Lean_Expr_hasFVar(x_40);
-if (x_125 == 0)
-{
-uint8_t x_126; 
-x_126 = l_Lean_Expr_hasMVar(x_40);
-if (x_126 == 0)
-{
-uint8_t x_127; 
-lean_dec(x_40);
-x_127 = 0;
-x_46 = x_127;
-x_47 = x_124;
-goto block_121;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; 
-x_128 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__4(x_2, x_3, x_40, x_124);
-x_129 = lean_ctor_get(x_128, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_128, 1);
-lean_inc(x_130);
-lean_dec(x_128);
-x_131 = lean_unbox(x_129);
-lean_dec(x_129);
-x_46 = x_131;
-x_47 = x_130;
-goto block_121;
-}
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; 
-x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12(x_2, x_3, x_40, x_124);
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
-lean_inc(x_134);
-lean_dec(x_132);
-x_135 = lean_unbox(x_133);
-lean_dec(x_133);
-x_46 = x_135;
-x_47 = x_134;
-goto block_121;
-}
-block_121:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_10, x_45);
-x_50 = lean_ctor_get(x_49, 1);
+x_46 = lean_st_ref_get(x_10, x_11);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_st_ref_get(x_8, x_47);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_8, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
 lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
+x_51 = lean_ctor_get(x_49, 0);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
+lean_inc(x_51);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_51);
+x_54 = l_Lean_Expr_hasFVar(x_45);
+if (x_54 == 0)
+{
+uint8_t x_55; 
+x_55 = l_Lean_Expr_hasMVar(x_45);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+lean_dec(x_53);
+lean_dec(x_45);
+x_56 = lean_st_ref_get(x_10, x_50);
+x_57 = lean_ctor_get(x_56, 1);
+lean_inc(x_57);
+lean_dec(x_56);
+x_58 = lean_st_ref_take(x_8, x_57);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = !lean_is_exclusive(x_59);
+if (x_61 == 0)
+{
+lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_62 = lean_ctor_get(x_59, 0);
+lean_dec(x_62);
+lean_ctor_set(x_59, 0, x_51);
+x_63 = lean_st_ref_set(x_8, x_59, x_60);
+x_64 = !lean_is_exclusive(x_63);
 if (x_64 == 0)
 {
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
+lean_object* x_65; uint8_t x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_63, 0);
 lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_8, x_52, x_55);
-x_76 = lean_ctor_get(x_75, 1);
-lean_inc(x_76);
-lean_dec(x_75);
-x_28 = x_46;
-x_29 = x_76;
-goto block_36;
+x_66 = 0;
+x_67 = lean_box(x_66);
+lean_ctor_set(x_63, 0, x_67);
+x_37 = x_63;
+goto block_41;
 }
 else
 {
-uint8_t x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_77 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_78 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_78, 0, x_56);
-lean_ctor_set(x_78, 1, x_57);
-lean_ctor_set(x_78, 2, x_58);
-lean_ctor_set(x_78, 3, x_59);
-lean_ctor_set(x_78, 4, x_60);
-lean_ctor_set(x_78, 5, x_61);
-lean_ctor_set(x_78, 6, x_62);
-lean_ctor_set(x_78, 7, x_63);
-lean_ctor_set_uint8(x_78, sizeof(void*)*8, x_77);
-lean_ctor_set(x_52, 0, x_78);
-x_79 = lean_st_ref_set(x_8, x_52, x_55);
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-lean_dec(x_79);
-x_28 = x_46;
-x_29 = x_80;
-goto block_36;
+lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; 
+x_68 = lean_ctor_get(x_63, 1);
+lean_inc(x_68);
+lean_dec(x_63);
+x_69 = 0;
+x_70 = lean_box(x_69);
+x_71 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_68);
+x_37 = x_71;
+goto block_41;
 }
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_81 = lean_ctor_get(x_52, 1);
-x_82 = lean_ctor_get(x_52, 2);
-x_83 = lean_ctor_get(x_52, 3);
-lean_inc(x_83);
-lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_52);
-x_84 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_85 = x_54;
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; lean_object* x_80; lean_object* x_81; 
+x_72 = lean_ctor_get(x_59, 1);
+x_73 = lean_ctor_get(x_59, 2);
+x_74 = lean_ctor_get(x_59, 3);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_59);
+x_75 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_75, 0, x_51);
+lean_ctor_set(x_75, 1, x_72);
+lean_ctor_set(x_75, 2, x_73);
+lean_ctor_set(x_75, 3, x_74);
+x_76 = lean_st_ref_set(x_8, x_75, x_60);
+x_77 = lean_ctor_get(x_76, 1);
+lean_inc(x_77);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ x_78 = x_76;
 } else {
- lean_dec_ref(x_54);
- x_85 = lean_box(0);
+ lean_dec_ref(x_76);
+ x_78 = lean_box(0);
 }
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(0, 8, 1);
+x_79 = 0;
+x_80 = lean_box(x_79);
+if (lean_is_scalar(x_78)) {
+ x_81 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_86 = x_85;
+ x_81 = x_78;
 }
-lean_ctor_set(x_86, 0, x_56);
-lean_ctor_set(x_86, 1, x_57);
-lean_ctor_set(x_86, 2, x_58);
-lean_ctor_set(x_86, 3, x_59);
-lean_ctor_set(x_86, 4, x_60);
-lean_ctor_set(x_86, 5, x_61);
-lean_ctor_set(x_86, 6, x_62);
-lean_ctor_set(x_86, 7, x_63);
-lean_ctor_set_uint8(x_86, sizeof(void*)*8, x_84);
-x_87 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_87, 1, x_81);
-lean_ctor_set(x_87, 2, x_82);
-lean_ctor_set(x_87, 3, x_83);
-x_88 = lean_st_ref_set(x_8, x_87, x_55);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-lean_dec(x_88);
-x_28 = x_46;
-x_29 = x_89;
-goto block_36;
+lean_ctor_set(x_81, 0, x_80);
+lean_ctor_set(x_81, 1, x_77);
+x_37 = x_81;
+goto block_41;
 }
 }
 else
 {
-lean_object* x_90; uint8_t x_91; 
-x_90 = lean_ctor_get(x_51, 1);
-lean_inc(x_90);
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
 lean_dec(x_51);
-x_91 = !lean_is_exclusive(x_48);
+x_82 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__4(x_2, x_3, x_45, x_53);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_82, 0);
+lean_inc(x_84);
+lean_dec(x_82);
+x_85 = lean_ctor_get(x_83, 1);
+lean_inc(x_85);
+lean_dec(x_83);
+x_86 = lean_st_ref_get(x_10, x_50);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+lean_dec(x_86);
+x_88 = lean_st_ref_take(x_8, x_87);
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+lean_dec(x_88);
+x_91 = !lean_is_exclusive(x_89);
 if (x_91 == 0)
 {
-uint8_t x_92; 
-x_92 = !lean_is_exclusive(x_52);
-if (x_92 == 0)
+lean_object* x_92; lean_object* x_93; uint8_t x_94; 
+x_92 = lean_ctor_get(x_89, 0);
+lean_dec(x_92);
+lean_ctor_set(x_89, 0, x_85);
+x_93 = lean_st_ref_set(x_8, x_89, x_90);
+x_94 = !lean_is_exclusive(x_93);
+if (x_94 == 0)
 {
-lean_object* x_93; uint8_t x_94; lean_object* x_95; lean_object* x_96; 
-x_93 = lean_ctor_get(x_52, 0);
-lean_dec(x_93);
-x_94 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_94);
-lean_ctor_set(x_52, 0, x_48);
-x_95 = lean_st_ref_set(x_8, x_52, x_90);
-x_96 = lean_ctor_get(x_95, 1);
-lean_inc(x_96);
+lean_object* x_95; 
+x_95 = lean_ctor_get(x_93, 0);
 lean_dec(x_95);
-x_28 = x_46;
-x_29 = x_96;
-goto block_36;
+lean_ctor_set(x_93, 0, x_84);
+x_37 = x_93;
+goto block_41;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_97 = lean_ctor_get(x_52, 1);
-x_98 = lean_ctor_get(x_52, 2);
-x_99 = lean_ctor_get(x_52, 3);
+lean_object* x_96; lean_object* x_97; 
+x_96 = lean_ctor_get(x_93, 1);
+lean_inc(x_96);
+lean_dec(x_93);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_84);
+lean_ctor_set(x_97, 1, x_96);
+x_37 = x_97;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_98 = lean_ctor_get(x_89, 1);
+x_99 = lean_ctor_get(x_89, 2);
+x_100 = lean_ctor_get(x_89, 3);
+lean_inc(x_100);
 lean_inc(x_99);
 lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_52);
-x_100 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_100);
+lean_dec(x_89);
 x_101 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_101, 0, x_48);
-lean_ctor_set(x_101, 1, x_97);
-lean_ctor_set(x_101, 2, x_98);
-lean_ctor_set(x_101, 3, x_99);
+lean_ctor_set(x_101, 0, x_85);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
 x_102 = lean_st_ref_set(x_8, x_101, x_90);
 x_103 = lean_ctor_get(x_102, 1);
 lean_inc(x_103);
-lean_dec(x_102);
-x_28 = x_46;
-x_29 = x_103;
-goto block_36;
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
+} else {
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
+}
+if (lean_is_scalar(x_104)) {
+ x_105 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_105 = x_104;
+}
+lean_ctor_set(x_105, 0, x_84);
+lean_ctor_set(x_105, 1, x_103);
+x_37 = x_105;
+goto block_41;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_104 = lean_ctor_get(x_48, 0);
-x_105 = lean_ctor_get(x_48, 1);
-x_106 = lean_ctor_get(x_48, 2);
-x_107 = lean_ctor_get(x_48, 3);
-x_108 = lean_ctor_get(x_48, 4);
-x_109 = lean_ctor_get(x_48, 5);
-x_110 = lean_ctor_get(x_48, 6);
-x_111 = lean_ctor_get(x_48, 7);
-lean_inc(x_111);
-lean_inc(x_110);
-lean_inc(x_109);
-lean_inc(x_108);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; 
+lean_dec(x_51);
+x_106 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12(x_2, x_3, x_45, x_53);
+x_107 = lean_ctor_get(x_106, 1);
 lean_inc(x_107);
-lean_inc(x_106);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_48);
-x_112 = lean_ctor_get(x_52, 1);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_52, 2);
+x_108 = lean_ctor_get(x_106, 0);
+lean_inc(x_108);
+lean_dec(x_106);
+x_109 = lean_ctor_get(x_107, 1);
+lean_inc(x_109);
+lean_dec(x_107);
+x_110 = lean_st_ref_get(x_10, x_50);
+x_111 = lean_ctor_get(x_110, 1);
+lean_inc(x_111);
+lean_dec(x_110);
+x_112 = lean_st_ref_take(x_8, x_111);
+x_113 = lean_ctor_get(x_112, 0);
 lean_inc(x_113);
-x_114 = lean_ctor_get(x_52, 3);
+x_114 = lean_ctor_get(x_112, 1);
 lean_inc(x_114);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_115 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_115 = lean_box(0);
-}
-x_116 = 1;
-x_117 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_117, 0, x_104);
-lean_ctor_set(x_117, 1, x_105);
-lean_ctor_set(x_117, 2, x_106);
-lean_ctor_set(x_117, 3, x_107);
-lean_ctor_set(x_117, 4, x_108);
-lean_ctor_set(x_117, 5, x_109);
-lean_ctor_set(x_117, 6, x_110);
-lean_ctor_set(x_117, 7, x_111);
-lean_ctor_set_uint8(x_117, sizeof(void*)*8, x_116);
-if (lean_is_scalar(x_115)) {
- x_118 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_118 = x_115;
-}
-lean_ctor_set(x_118, 0, x_117);
-lean_ctor_set(x_118, 1, x_112);
-lean_ctor_set(x_118, 2, x_113);
-lean_ctor_set(x_118, 3, x_114);
-x_119 = lean_st_ref_set(x_8, x_118, x_90);
-x_120 = lean_ctor_get(x_119, 1);
-lean_inc(x_120);
+lean_dec(x_112);
+x_115 = !lean_is_exclusive(x_113);
+if (x_115 == 0)
+{
+lean_object* x_116; lean_object* x_117; uint8_t x_118; 
+x_116 = lean_ctor_get(x_113, 0);
+lean_dec(x_116);
+lean_ctor_set(x_113, 0, x_109);
+x_117 = lean_st_ref_set(x_8, x_113, x_114);
+x_118 = !lean_is_exclusive(x_117);
+if (x_118 == 0)
+{
+lean_object* x_119; 
+x_119 = lean_ctor_get(x_117, 0);
 lean_dec(x_119);
-x_28 = x_46;
-x_29 = x_120;
-goto block_36;
+lean_ctor_set(x_117, 0, x_108);
+x_37 = x_117;
+goto block_41;
 }
+else
+{
+lean_object* x_120; lean_object* x_121; 
+x_120 = lean_ctor_get(x_117, 1);
+lean_inc(x_120);
+lean_dec(x_117);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_108);
+lean_ctor_set(x_121, 1, x_120);
+x_37 = x_121;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
+x_122 = lean_ctor_get(x_113, 1);
+x_123 = lean_ctor_get(x_113, 2);
+x_124 = lean_ctor_get(x_113, 3);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_113);
+x_125 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_125, 0, x_109);
+lean_ctor_set(x_125, 1, x_122);
+lean_ctor_set(x_125, 2, x_123);
+lean_ctor_set(x_125, 3, x_124);
+x_126 = lean_st_ref_set(x_8, x_125, x_114);
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_128 = x_126;
+} else {
+ lean_dec_ref(x_126);
+ x_128 = lean_box(0);
+}
+if (lean_is_scalar(x_128)) {
+ x_129 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_129 = x_128;
+}
+lean_ctor_set(x_129, 0, x_108);
+lean_ctor_set(x_129, 1, x_127);
+x_37 = x_129;
+goto block_41;
 }
 }
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; lean_object* x_144; uint8_t x_219; lean_object* x_220; lean_object* x_233; lean_object* x_234; lean_object* x_235; uint8_t x_236; 
-x_136 = lean_ctor_get(x_38, 3);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; uint8_t x_156; lean_object* x_157; lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
+x_130 = lean_ctor_get(x_43, 3);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_43, 4);
+lean_inc(x_131);
+lean_dec(x_43);
+x_132 = lean_st_ref_get(x_10, x_11);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = lean_st_ref_get(x_8, x_133);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
 lean_inc(x_136);
-x_137 = lean_ctor_get(x_38, 4);
-lean_inc(x_137);
-lean_dec(x_38);
-x_138 = lean_st_ref_get(x_10, x_11);
+lean_dec(x_134);
+x_170 = lean_ctor_get(x_135, 0);
+lean_inc(x_170);
+lean_dec(x_135);
+x_171 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
+x_172 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_170);
+x_173 = l_Lean_Expr_hasFVar(x_130);
+if (x_173 == 0)
+{
+uint8_t x_174; 
+x_174 = l_Lean_Expr_hasMVar(x_130);
+if (x_174 == 0)
+{
+uint8_t x_175; 
+lean_dec(x_130);
+x_175 = 0;
+x_156 = x_175;
+x_157 = x_172;
+goto block_169;
+}
+else
+{
+lean_object* x_176; lean_object* x_177; lean_object* x_178; uint8_t x_179; 
+x_176 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36(x_2, x_3, x_130, x_172);
+x_177 = lean_ctor_get(x_176, 0);
+lean_inc(x_177);
+x_178 = lean_ctor_get(x_176, 1);
+lean_inc(x_178);
+lean_dec(x_176);
+x_179 = lean_unbox(x_177);
+lean_dec(x_177);
+x_156 = x_179;
+x_157 = x_178;
+goto block_169;
+}
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; 
+x_180 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__44(x_2, x_3, x_130, x_172);
+x_181 = lean_ctor_get(x_180, 0);
+lean_inc(x_181);
+x_182 = lean_ctor_get(x_180, 1);
+lean_inc(x_182);
+lean_dec(x_180);
+x_183 = lean_unbox(x_181);
+lean_dec(x_181);
+x_156 = x_183;
+x_157 = x_182;
+goto block_169;
+}
+block_155:
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; 
 x_139 = lean_ctor_get(x_138, 1);
 lean_inc(x_139);
 lean_dec(x_138);
-x_140 = lean_st_ref_get(x_8, x_139);
-x_141 = lean_ctor_get(x_140, 0);
+x_140 = lean_st_ref_get(x_10, x_136);
+x_141 = lean_ctor_get(x_140, 1);
 lean_inc(x_141);
-x_142 = lean_ctor_get(x_140, 1);
-lean_inc(x_142);
 lean_dec(x_140);
-x_233 = lean_ctor_get(x_141, 0);
-lean_inc(x_233);
-lean_dec(x_141);
-x_234 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
-x_235 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_233);
-x_236 = l_Lean_Expr_hasFVar(x_136);
-if (x_236 == 0)
+x_142 = lean_st_ref_take(x_8, x_141);
+x_143 = lean_ctor_get(x_142, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_142, 1);
+lean_inc(x_144);
+lean_dec(x_142);
+x_145 = !lean_is_exclusive(x_143);
+if (x_145 == 0)
 {
-uint8_t x_237; 
-x_237 = l_Lean_Expr_hasMVar(x_136);
-if (x_237 == 0)
-{
-uint8_t x_238; 
-lean_dec(x_136);
-x_238 = 0;
-x_219 = x_238;
-x_220 = x_235;
-goto block_232;
-}
-else
-{
-lean_object* x_239; lean_object* x_240; lean_object* x_241; uint8_t x_242; 
-x_239 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36(x_2, x_3, x_136, x_235);
-x_240 = lean_ctor_get(x_239, 0);
-lean_inc(x_240);
-x_241 = lean_ctor_get(x_239, 1);
-lean_inc(x_241);
-lean_dec(x_239);
-x_242 = lean_unbox(x_240);
-lean_dec(x_240);
-x_219 = x_242;
-x_220 = x_241;
-goto block_232;
-}
-}
-else
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; uint8_t x_246; 
-x_243 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__44(x_2, x_3, x_136, x_235);
-x_244 = lean_ctor_get(x_243, 0);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_243, 1);
-lean_inc(x_245);
-lean_dec(x_243);
-x_246 = lean_unbox(x_244);
-lean_dec(x_244);
-x_219 = x_246;
-x_220 = x_245;
-goto block_232;
-}
-block_218:
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
-x_145 = lean_ctor_get(x_144, 1);
-lean_inc(x_145);
-lean_dec(x_144);
-x_146 = lean_st_ref_get(x_10, x_142);
-x_147 = lean_ctor_get(x_146, 1);
-lean_inc(x_147);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_146 = lean_ctor_get(x_143, 0);
 lean_dec(x_146);
-x_148 = lean_st_ref_take(x_8, x_147);
-x_149 = lean_ctor_get(x_148, 0);
-lean_inc(x_149);
-x_150 = lean_ctor_get_uint8(x_145, sizeof(void*)*8);
-if (x_150 == 0)
+lean_ctor_set(x_143, 0, x_139);
+x_147 = lean_st_ref_set(x_8, x_143, x_144);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_28 = x_137;
+x_29 = x_148;
+goto block_36;
+}
+else
 {
-lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-x_151 = lean_ctor_get(x_149, 0);
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_149 = lean_ctor_get(x_143, 1);
+x_150 = lean_ctor_get(x_143, 2);
+x_151 = lean_ctor_get(x_143, 3);
 lean_inc(x_151);
-x_152 = lean_ctor_get(x_148, 1);
-lean_inc(x_152);
-lean_dec(x_148);
-x_153 = lean_ctor_get(x_145, 0);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_145, 1);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_dec(x_143);
+x_152 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_152, 0, x_139);
+lean_ctor_set(x_152, 1, x_149);
+lean_ctor_set(x_152, 2, x_150);
+lean_ctor_set(x_152, 3, x_151);
+x_153 = lean_st_ref_set(x_8, x_152, x_144);
+x_154 = lean_ctor_get(x_153, 1);
 lean_inc(x_154);
-x_155 = lean_ctor_get(x_145, 2);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_145, 3);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_145, 4);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_145, 5);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_145, 6);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_145, 7);
-lean_inc(x_160);
-lean_dec(x_145);
-x_161 = !lean_is_exclusive(x_149);
-if (x_161 == 0)
+lean_dec(x_153);
+x_28 = x_137;
+x_29 = x_154;
+goto block_36;
+}
+}
+block_169:
 {
-lean_object* x_162; uint8_t x_163; 
-x_162 = lean_ctor_get(x_149, 0);
+if (x_156 == 0)
+{
+uint8_t x_158; 
+x_158 = l_Lean_Expr_hasFVar(x_131);
+if (x_158 == 0)
+{
+uint8_t x_159; 
+x_159 = l_Lean_Expr_hasMVar(x_131);
+if (x_159 == 0)
+{
+uint8_t x_160; 
+lean_dec(x_131);
+x_160 = 0;
+x_137 = x_160;
+x_138 = x_157;
+goto block_155;
+}
+else
+{
+lean_object* x_161; lean_object* x_162; lean_object* x_163; uint8_t x_164; 
+x_161 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20(x_2, x_3, x_131, x_157);
+x_162 = lean_ctor_get(x_161, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_161, 1);
+lean_inc(x_163);
+lean_dec(x_161);
+x_164 = lean_unbox(x_162);
 lean_dec(x_162);
-x_163 = !lean_is_exclusive(x_151);
-if (x_163 == 0)
+x_137 = x_164;
+x_138 = x_163;
+goto block_155;
+}
+}
+else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_164 = lean_ctor_get(x_151, 7);
-lean_dec(x_164);
-x_165 = lean_ctor_get(x_151, 6);
+lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
+x_165 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28(x_2, x_3, x_131, x_157);
+x_166 = lean_ctor_get(x_165, 0);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_165, 1);
+lean_inc(x_167);
 lean_dec(x_165);
-x_166 = lean_ctor_get(x_151, 5);
+x_168 = lean_unbox(x_166);
 lean_dec(x_166);
-x_167 = lean_ctor_get(x_151, 4);
-lean_dec(x_167);
-x_168 = lean_ctor_get(x_151, 3);
-lean_dec(x_168);
-x_169 = lean_ctor_get(x_151, 2);
-lean_dec(x_169);
-x_170 = lean_ctor_get(x_151, 1);
-lean_dec(x_170);
-x_171 = lean_ctor_get(x_151, 0);
-lean_dec(x_171);
-lean_ctor_set(x_151, 7, x_160);
-lean_ctor_set(x_151, 6, x_159);
-lean_ctor_set(x_151, 5, x_158);
-lean_ctor_set(x_151, 4, x_157);
-lean_ctor_set(x_151, 3, x_156);
-lean_ctor_set(x_151, 2, x_155);
-lean_ctor_set(x_151, 1, x_154);
-lean_ctor_set(x_151, 0, x_153);
-x_172 = lean_st_ref_set(x_8, x_149, x_152);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
-lean_dec(x_172);
-x_28 = x_143;
-x_29 = x_173;
-goto block_36;
-}
-else
-{
-uint8_t x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_174 = lean_ctor_get_uint8(x_151, sizeof(void*)*8);
-lean_dec(x_151);
-x_175 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_175, 0, x_153);
-lean_ctor_set(x_175, 1, x_154);
-lean_ctor_set(x_175, 2, x_155);
-lean_ctor_set(x_175, 3, x_156);
-lean_ctor_set(x_175, 4, x_157);
-lean_ctor_set(x_175, 5, x_158);
-lean_ctor_set(x_175, 6, x_159);
-lean_ctor_set(x_175, 7, x_160);
-lean_ctor_set_uint8(x_175, sizeof(void*)*8, x_174);
-lean_ctor_set(x_149, 0, x_175);
-x_176 = lean_st_ref_set(x_8, x_149, x_152);
-x_177 = lean_ctor_get(x_176, 1);
-lean_inc(x_177);
-lean_dec(x_176);
-x_28 = x_143;
-x_29 = x_177;
-goto block_36;
+x_137 = x_168;
+x_138 = x_167;
+goto block_155;
 }
 }
 else
 {
-lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
-x_178 = lean_ctor_get(x_149, 1);
-x_179 = lean_ctor_get(x_149, 2);
-x_180 = lean_ctor_get(x_149, 3);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_dec(x_149);
-x_181 = lean_ctor_get_uint8(x_151, sizeof(void*)*8);
-if (lean_is_exclusive(x_151)) {
- lean_ctor_release(x_151, 0);
- lean_ctor_release(x_151, 1);
- lean_ctor_release(x_151, 2);
- lean_ctor_release(x_151, 3);
- lean_ctor_release(x_151, 4);
- lean_ctor_release(x_151, 5);
- lean_ctor_release(x_151, 6);
- lean_ctor_release(x_151, 7);
- x_182 = x_151;
-} else {
- lean_dec_ref(x_151);
- x_182 = lean_box(0);
-}
-if (lean_is_scalar(x_182)) {
- x_183 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_183 = x_182;
-}
-lean_ctor_set(x_183, 0, x_153);
-lean_ctor_set(x_183, 1, x_154);
-lean_ctor_set(x_183, 2, x_155);
-lean_ctor_set(x_183, 3, x_156);
-lean_ctor_set(x_183, 4, x_157);
-lean_ctor_set(x_183, 5, x_158);
-lean_ctor_set(x_183, 6, x_159);
-lean_ctor_set(x_183, 7, x_160);
-lean_ctor_set_uint8(x_183, sizeof(void*)*8, x_181);
-x_184 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_178);
-lean_ctor_set(x_184, 2, x_179);
-lean_ctor_set(x_184, 3, x_180);
-x_185 = lean_st_ref_set(x_8, x_184, x_152);
-x_186 = lean_ctor_get(x_185, 1);
-lean_inc(x_186);
-lean_dec(x_185);
-x_28 = x_143;
-x_29 = x_186;
-goto block_36;
-}
-}
-else
-{
-lean_object* x_187; uint8_t x_188; 
-x_187 = lean_ctor_get(x_148, 1);
-lean_inc(x_187);
-lean_dec(x_148);
-x_188 = !lean_is_exclusive(x_145);
-if (x_188 == 0)
-{
-uint8_t x_189; 
-x_189 = !lean_is_exclusive(x_149);
-if (x_189 == 0)
-{
-lean_object* x_190; uint8_t x_191; lean_object* x_192; lean_object* x_193; 
-x_190 = lean_ctor_get(x_149, 0);
-lean_dec(x_190);
-x_191 = 1;
-lean_ctor_set_uint8(x_145, sizeof(void*)*8, x_191);
-lean_ctor_set(x_149, 0, x_145);
-x_192 = lean_st_ref_set(x_8, x_149, x_187);
-x_193 = lean_ctor_get(x_192, 1);
-lean_inc(x_193);
-lean_dec(x_192);
-x_28 = x_143;
-x_29 = x_193;
-goto block_36;
-}
-else
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; 
-x_194 = lean_ctor_get(x_149, 1);
-x_195 = lean_ctor_get(x_149, 2);
-x_196 = lean_ctor_get(x_149, 3);
-lean_inc(x_196);
-lean_inc(x_195);
-lean_inc(x_194);
-lean_dec(x_149);
-x_197 = 1;
-lean_ctor_set_uint8(x_145, sizeof(void*)*8, x_197);
-x_198 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_198, 0, x_145);
-lean_ctor_set(x_198, 1, x_194);
-lean_ctor_set(x_198, 2, x_195);
-lean_ctor_set(x_198, 3, x_196);
-x_199 = lean_st_ref_set(x_8, x_198, x_187);
-x_200 = lean_ctor_get(x_199, 1);
-lean_inc(x_200);
-lean_dec(x_199);
-x_28 = x_143;
-x_29 = x_200;
-goto block_36;
-}
-}
-else
-{
-lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; uint8_t x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; 
-x_201 = lean_ctor_get(x_145, 0);
-x_202 = lean_ctor_get(x_145, 1);
-x_203 = lean_ctor_get(x_145, 2);
-x_204 = lean_ctor_get(x_145, 3);
-x_205 = lean_ctor_get(x_145, 4);
-x_206 = lean_ctor_get(x_145, 5);
-x_207 = lean_ctor_get(x_145, 6);
-x_208 = lean_ctor_get(x_145, 7);
-lean_inc(x_208);
-lean_inc(x_207);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_dec(x_145);
-x_209 = lean_ctor_get(x_149, 1);
-lean_inc(x_209);
-x_210 = lean_ctor_get(x_149, 2);
-lean_inc(x_210);
-x_211 = lean_ctor_get(x_149, 3);
-lean_inc(x_211);
-if (lean_is_exclusive(x_149)) {
- lean_ctor_release(x_149, 0);
- lean_ctor_release(x_149, 1);
- lean_ctor_release(x_149, 2);
- lean_ctor_release(x_149, 3);
- x_212 = x_149;
-} else {
- lean_dec_ref(x_149);
- x_212 = lean_box(0);
-}
-x_213 = 1;
-x_214 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_214, 0, x_201);
-lean_ctor_set(x_214, 1, x_202);
-lean_ctor_set(x_214, 2, x_203);
-lean_ctor_set(x_214, 3, x_204);
-lean_ctor_set(x_214, 4, x_205);
-lean_ctor_set(x_214, 5, x_206);
-lean_ctor_set(x_214, 6, x_207);
-lean_ctor_set(x_214, 7, x_208);
-lean_ctor_set_uint8(x_214, sizeof(void*)*8, x_213);
-if (lean_is_scalar(x_212)) {
- x_215 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_215 = x_212;
-}
-lean_ctor_set(x_215, 0, x_214);
-lean_ctor_set(x_215, 1, x_209);
-lean_ctor_set(x_215, 2, x_210);
-lean_ctor_set(x_215, 3, x_211);
-x_216 = lean_st_ref_set(x_8, x_215, x_187);
-x_217 = lean_ctor_get(x_216, 1);
-lean_inc(x_217);
-lean_dec(x_216);
-x_28 = x_143;
-x_29 = x_217;
-goto block_36;
-}
-}
-}
-block_232:
-{
-if (x_219 == 0)
-{
-uint8_t x_221; 
-x_221 = l_Lean_Expr_hasFVar(x_137);
-if (x_221 == 0)
-{
-uint8_t x_222; 
-x_222 = l_Lean_Expr_hasMVar(x_137);
-if (x_222 == 0)
-{
-uint8_t x_223; 
-lean_dec(x_137);
-x_223 = 0;
-x_143 = x_223;
-x_144 = x_220;
-goto block_218;
-}
-else
-{
-lean_object* x_224; lean_object* x_225; lean_object* x_226; uint8_t x_227; 
-x_224 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20(x_2, x_3, x_137, x_220);
-x_225 = lean_ctor_get(x_224, 0);
-lean_inc(x_225);
-x_226 = lean_ctor_get(x_224, 1);
-lean_inc(x_226);
-lean_dec(x_224);
-x_227 = lean_unbox(x_225);
-lean_dec(x_225);
-x_143 = x_227;
-x_144 = x_226;
-goto block_218;
-}
-}
-else
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; uint8_t x_231; 
-x_228 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28(x_2, x_3, x_137, x_220);
-x_229 = lean_ctor_get(x_228, 0);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_228, 1);
-lean_inc(x_230);
-lean_dec(x_228);
-x_231 = lean_unbox(x_229);
-lean_dec(x_229);
-x_143 = x_231;
-x_144 = x_230;
-goto block_218;
-}
-}
-else
-{
-lean_dec(x_137);
-x_143 = x_219;
-x_144 = x_220;
-goto block_218;
+lean_dec(x_131);
+x_137 = x_156;
+x_138 = x_157;
+goto block_155;
 }
 }
 }
 }
 else
 {
-lean_dec(x_38);
-x_28 = x_39;
+lean_dec(x_43);
+x_28 = x_44;
 x_29 = x_11;
 goto block_36;
 }
@@ -9977,16 +9710,30 @@ x_23 = x_35;
 goto block_27;
 }
 }
+block_41:
+{
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_unbox(x_38);
+lean_dec(x_38);
+x_28 = x_40;
+x_29 = x_39;
+goto block_36;
+}
 }
 else
 {
-uint8_t x_260; lean_object* x_261; lean_object* x_262; 
-x_260 = 0;
-x_261 = lean_box(x_260);
-x_262 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_262, 0, x_261);
-lean_ctor_set(x_262, 1, x_11);
-return x_262;
+uint8_t x_197; lean_object* x_198; lean_object* x_199; 
+x_197 = 0;
+x_198 = lean_box(x_197);
+x_199 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_199, 0, x_198);
+lean_ctor_set(x_199, 1, x_11);
+return x_199;
 }
 }
 }
@@ -10120,836 +9867,568 @@ uint8_t x_12;
 x_12 = lean_usize_dec_eq(x_5, x_6);
 if (x_12 == 0)
 {
-lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_23; uint8_t x_28; lean_object* x_29; 
+lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_23; uint8_t x_28; lean_object* x_29; lean_object* x_37; 
 x_13 = lean_array_uget(x_4, x_5);
 if (lean_obj_tag(x_13) == 0)
 {
-uint8_t x_37; 
-x_37 = 0;
-x_14 = x_37;
+uint8_t x_42; 
+x_42 = 0;
+x_14 = x_42;
 x_15 = x_11;
 goto block_22;
 }
 else
 {
-lean_object* x_38; uint8_t x_39; lean_object* x_248; lean_object* x_249; lean_object* x_250; uint8_t x_251; 
-x_38 = lean_ctor_get(x_13, 0);
-lean_inc(x_38);
+lean_object* x_43; uint8_t x_44; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; 
+x_43 = lean_ctor_get(x_13, 0);
+lean_inc(x_43);
 lean_dec(x_13);
-x_248 = l_Lean_LocalDecl_fvarId(x_38);
-x_249 = lean_ctor_get(x_1, 3);
-x_250 = l_Lean_LocalDecl_fvarId(x_249);
-x_251 = lean_name_eq(x_248, x_250);
-lean_dec(x_250);
-if (x_251 == 0)
+x_185 = l_Lean_LocalDecl_fvarId(x_43);
+x_186 = lean_ctor_get(x_1, 3);
+x_187 = l_Lean_LocalDecl_fvarId(x_186);
+x_188 = lean_name_eq(x_185, x_187);
+lean_dec(x_187);
+if (x_188 == 0)
 {
-lean_object* x_252; uint8_t x_253; 
-x_252 = lean_unsigned_to_nat(0u);
-x_253 = lean_nat_dec_lt(x_252, x_3);
-if (x_253 == 0)
+lean_object* x_189; uint8_t x_190; 
+x_189 = lean_unsigned_to_nat(0u);
+x_190 = lean_nat_dec_lt(x_189, x_3);
+if (x_190 == 0)
 {
-uint8_t x_254; 
-lean_dec(x_248);
-x_254 = 0;
-x_39 = x_254;
-goto block_247;
+uint8_t x_191; 
+lean_dec(x_185);
+x_191 = 0;
+x_44 = x_191;
+goto block_184;
 }
 else
 {
-uint8_t x_255; 
-x_255 = lean_nat_dec_le(x_3, x_3);
-if (x_255 == 0)
+uint8_t x_192; 
+x_192 = lean_nat_dec_le(x_3, x_3);
+if (x_192 == 0)
 {
-uint8_t x_256; 
-lean_dec(x_248);
-x_256 = 0;
-x_39 = x_256;
-goto block_247;
+uint8_t x_193; 
+lean_dec(x_185);
+x_193 = 0;
+x_44 = x_193;
+goto block_184;
 }
 else
 {
-size_t x_257; size_t x_258; uint8_t x_259; 
-x_257 = 0;
-x_258 = lean_usize_of_nat(x_3);
-x_259 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52(x_248, x_2, x_257, x_258);
-lean_dec(x_248);
-x_39 = x_259;
-goto block_247;
+size_t x_194; size_t x_195; uint8_t x_196; 
+x_194 = 0;
+x_195 = lean_usize_of_nat(x_3);
+x_196 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__52(x_185, x_2, x_194, x_195);
+lean_dec(x_185);
+x_44 = x_196;
+goto block_184;
 }
 }
 }
 else
 {
-lean_dec(x_248);
-lean_dec(x_38);
-x_28 = x_251;
+lean_dec(x_185);
+lean_dec(x_43);
+x_28 = x_188;
 x_29 = x_11;
 goto block_36;
 }
-block_247:
+block_184:
 {
-if (x_39 == 0)
+if (x_44 == 0)
 {
-if (lean_obj_tag(x_38) == 0)
+if (lean_obj_tag(x_43) == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
-x_40 = lean_ctor_get(x_38, 3);
-lean_inc(x_40);
-lean_dec(x_38);
-x_41 = lean_st_ref_get(x_10, x_11);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = lean_st_ref_get(x_8, x_42);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+x_45 = lean_ctor_get(x_43, 3);
 lean_inc(x_45);
 lean_dec(x_43);
-x_122 = lean_ctor_get(x_44, 0);
-lean_inc(x_122);
-lean_dec(x_44);
-x_123 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
-x_124 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_124, 0, x_123);
-lean_ctor_set(x_124, 1, x_122);
-x_125 = l_Lean_Expr_hasFVar(x_40);
-if (x_125 == 0)
-{
-uint8_t x_126; 
-x_126 = l_Lean_Expr_hasMVar(x_40);
-if (x_126 == 0)
-{
-uint8_t x_127; 
-lean_dec(x_40);
-x_127 = 0;
-x_46 = x_127;
-x_47 = x_124;
-goto block_121;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; 
-x_128 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__4(x_2, x_3, x_40, x_124);
-x_129 = lean_ctor_get(x_128, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_128, 1);
-lean_inc(x_130);
-lean_dec(x_128);
-x_131 = lean_unbox(x_129);
-lean_dec(x_129);
-x_46 = x_131;
-x_47 = x_130;
-goto block_121;
-}
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; 
-x_132 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12(x_2, x_3, x_40, x_124);
-x_133 = lean_ctor_get(x_132, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_132, 1);
-lean_inc(x_134);
-lean_dec(x_132);
-x_135 = lean_unbox(x_133);
-lean_dec(x_133);
-x_46 = x_135;
-x_47 = x_134;
-goto block_121;
-}
-block_121:
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_get(x_10, x_45);
-x_50 = lean_ctor_get(x_49, 1);
+x_46 = lean_st_ref_get(x_10, x_11);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_st_ref_get(x_8, x_47);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
-lean_dec(x_49);
-x_51 = lean_st_ref_take(x_8, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get_uint8(x_48, sizeof(void*)*8);
-if (x_53 == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
-x_54 = lean_ctor_get(x_52, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_51, 1);
-lean_inc(x_55);
-lean_dec(x_51);
-x_56 = lean_ctor_get(x_48, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_48, 1);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_48, 2);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_48, 3);
-lean_inc(x_59);
-x_60 = lean_ctor_get(x_48, 4);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_48, 5);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_48, 6);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_48, 7);
-lean_inc(x_63);
 lean_dec(x_48);
-x_64 = !lean_is_exclusive(x_52);
+x_51 = lean_ctor_get(x_49, 0);
+lean_inc(x_51);
+lean_dec(x_49);
+x_52 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
+lean_inc(x_51);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_51);
+x_54 = l_Lean_Expr_hasFVar(x_45);
+if (x_54 == 0)
+{
+uint8_t x_55; 
+x_55 = l_Lean_Expr_hasMVar(x_45);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+lean_dec(x_53);
+lean_dec(x_45);
+x_56 = lean_st_ref_get(x_10, x_50);
+x_57 = lean_ctor_get(x_56, 1);
+lean_inc(x_57);
+lean_dec(x_56);
+x_58 = lean_st_ref_take(x_8, x_57);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = !lean_is_exclusive(x_59);
+if (x_61 == 0)
+{
+lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_62 = lean_ctor_get(x_59, 0);
+lean_dec(x_62);
+lean_ctor_set(x_59, 0, x_51);
+x_63 = lean_st_ref_set(x_8, x_59, x_60);
+x_64 = !lean_is_exclusive(x_63);
 if (x_64 == 0)
 {
-lean_object* x_65; uint8_t x_66; 
-x_65 = lean_ctor_get(x_52, 0);
+lean_object* x_65; uint8_t x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_63, 0);
 lean_dec(x_65);
-x_66 = !lean_is_exclusive(x_54);
-if (x_66 == 0)
-{
-lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_67 = lean_ctor_get(x_54, 7);
-lean_dec(x_67);
-x_68 = lean_ctor_get(x_54, 6);
-lean_dec(x_68);
-x_69 = lean_ctor_get(x_54, 5);
-lean_dec(x_69);
-x_70 = lean_ctor_get(x_54, 4);
-lean_dec(x_70);
-x_71 = lean_ctor_get(x_54, 3);
-lean_dec(x_71);
-x_72 = lean_ctor_get(x_54, 2);
-lean_dec(x_72);
-x_73 = lean_ctor_get(x_54, 1);
-lean_dec(x_73);
-x_74 = lean_ctor_get(x_54, 0);
-lean_dec(x_74);
-lean_ctor_set(x_54, 7, x_63);
-lean_ctor_set(x_54, 6, x_62);
-lean_ctor_set(x_54, 5, x_61);
-lean_ctor_set(x_54, 4, x_60);
-lean_ctor_set(x_54, 3, x_59);
-lean_ctor_set(x_54, 2, x_58);
-lean_ctor_set(x_54, 1, x_57);
-lean_ctor_set(x_54, 0, x_56);
-x_75 = lean_st_ref_set(x_8, x_52, x_55);
-x_76 = lean_ctor_get(x_75, 1);
-lean_inc(x_76);
-lean_dec(x_75);
-x_28 = x_46;
-x_29 = x_76;
-goto block_36;
+x_66 = 0;
+x_67 = lean_box(x_66);
+lean_ctor_set(x_63, 0, x_67);
+x_37 = x_63;
+goto block_41;
 }
 else
 {
-uint8_t x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_77 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-lean_dec(x_54);
-x_78 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_78, 0, x_56);
-lean_ctor_set(x_78, 1, x_57);
-lean_ctor_set(x_78, 2, x_58);
-lean_ctor_set(x_78, 3, x_59);
-lean_ctor_set(x_78, 4, x_60);
-lean_ctor_set(x_78, 5, x_61);
-lean_ctor_set(x_78, 6, x_62);
-lean_ctor_set(x_78, 7, x_63);
-lean_ctor_set_uint8(x_78, sizeof(void*)*8, x_77);
-lean_ctor_set(x_52, 0, x_78);
-x_79 = lean_st_ref_set(x_8, x_52, x_55);
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-lean_dec(x_79);
-x_28 = x_46;
-x_29 = x_80;
-goto block_36;
+lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; 
+x_68 = lean_ctor_get(x_63, 1);
+lean_inc(x_68);
+lean_dec(x_63);
+x_69 = 0;
+x_70 = lean_box(x_69);
+x_71 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_68);
+x_37 = x_71;
+goto block_41;
 }
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_81 = lean_ctor_get(x_52, 1);
-x_82 = lean_ctor_get(x_52, 2);
-x_83 = lean_ctor_get(x_52, 3);
-lean_inc(x_83);
-lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_52);
-x_84 = lean_ctor_get_uint8(x_54, sizeof(void*)*8);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- lean_ctor_release(x_54, 2);
- lean_ctor_release(x_54, 3);
- lean_ctor_release(x_54, 4);
- lean_ctor_release(x_54, 5);
- lean_ctor_release(x_54, 6);
- lean_ctor_release(x_54, 7);
- x_85 = x_54;
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; lean_object* x_80; lean_object* x_81; 
+x_72 = lean_ctor_get(x_59, 1);
+x_73 = lean_ctor_get(x_59, 2);
+x_74 = lean_ctor_get(x_59, 3);
+lean_inc(x_74);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_59);
+x_75 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_75, 0, x_51);
+lean_ctor_set(x_75, 1, x_72);
+lean_ctor_set(x_75, 2, x_73);
+lean_ctor_set(x_75, 3, x_74);
+x_76 = lean_st_ref_set(x_8, x_75, x_60);
+x_77 = lean_ctor_get(x_76, 1);
+lean_inc(x_77);
+if (lean_is_exclusive(x_76)) {
+ lean_ctor_release(x_76, 0);
+ lean_ctor_release(x_76, 1);
+ x_78 = x_76;
 } else {
- lean_dec_ref(x_54);
- x_85 = lean_box(0);
+ lean_dec_ref(x_76);
+ x_78 = lean_box(0);
 }
-if (lean_is_scalar(x_85)) {
- x_86 = lean_alloc_ctor(0, 8, 1);
+x_79 = 0;
+x_80 = lean_box(x_79);
+if (lean_is_scalar(x_78)) {
+ x_81 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_86 = x_85;
+ x_81 = x_78;
 }
-lean_ctor_set(x_86, 0, x_56);
-lean_ctor_set(x_86, 1, x_57);
-lean_ctor_set(x_86, 2, x_58);
-lean_ctor_set(x_86, 3, x_59);
-lean_ctor_set(x_86, 4, x_60);
-lean_ctor_set(x_86, 5, x_61);
-lean_ctor_set(x_86, 6, x_62);
-lean_ctor_set(x_86, 7, x_63);
-lean_ctor_set_uint8(x_86, sizeof(void*)*8, x_84);
-x_87 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_87, 1, x_81);
-lean_ctor_set(x_87, 2, x_82);
-lean_ctor_set(x_87, 3, x_83);
-x_88 = lean_st_ref_set(x_8, x_87, x_55);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-lean_dec(x_88);
-x_28 = x_46;
-x_29 = x_89;
-goto block_36;
+lean_ctor_set(x_81, 0, x_80);
+lean_ctor_set(x_81, 1, x_77);
+x_37 = x_81;
+goto block_41;
 }
 }
 else
 {
-lean_object* x_90; uint8_t x_91; 
-x_90 = lean_ctor_get(x_51, 1);
-lean_inc(x_90);
+lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
 lean_dec(x_51);
-x_91 = !lean_is_exclusive(x_48);
+x_82 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__4(x_2, x_3, x_45, x_53);
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_82, 0);
+lean_inc(x_84);
+lean_dec(x_82);
+x_85 = lean_ctor_get(x_83, 1);
+lean_inc(x_85);
+lean_dec(x_83);
+x_86 = lean_st_ref_get(x_10, x_50);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+lean_dec(x_86);
+x_88 = lean_st_ref_take(x_8, x_87);
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+lean_dec(x_88);
+x_91 = !lean_is_exclusive(x_89);
 if (x_91 == 0)
 {
-uint8_t x_92; 
-x_92 = !lean_is_exclusive(x_52);
-if (x_92 == 0)
+lean_object* x_92; lean_object* x_93; uint8_t x_94; 
+x_92 = lean_ctor_get(x_89, 0);
+lean_dec(x_92);
+lean_ctor_set(x_89, 0, x_85);
+x_93 = lean_st_ref_set(x_8, x_89, x_90);
+x_94 = !lean_is_exclusive(x_93);
+if (x_94 == 0)
 {
-lean_object* x_93; uint8_t x_94; lean_object* x_95; lean_object* x_96; 
-x_93 = lean_ctor_get(x_52, 0);
-lean_dec(x_93);
-x_94 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_94);
-lean_ctor_set(x_52, 0, x_48);
-x_95 = lean_st_ref_set(x_8, x_52, x_90);
-x_96 = lean_ctor_get(x_95, 1);
-lean_inc(x_96);
+lean_object* x_95; 
+x_95 = lean_ctor_get(x_93, 0);
 lean_dec(x_95);
-x_28 = x_46;
-x_29 = x_96;
-goto block_36;
+lean_ctor_set(x_93, 0, x_84);
+x_37 = x_93;
+goto block_41;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_97 = lean_ctor_get(x_52, 1);
-x_98 = lean_ctor_get(x_52, 2);
-x_99 = lean_ctor_get(x_52, 3);
+lean_object* x_96; lean_object* x_97; 
+x_96 = lean_ctor_get(x_93, 1);
+lean_inc(x_96);
+lean_dec(x_93);
+x_97 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_97, 0, x_84);
+lean_ctor_set(x_97, 1, x_96);
+x_37 = x_97;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_98 = lean_ctor_get(x_89, 1);
+x_99 = lean_ctor_get(x_89, 2);
+x_100 = lean_ctor_get(x_89, 3);
+lean_inc(x_100);
 lean_inc(x_99);
 lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_52);
-x_100 = 1;
-lean_ctor_set_uint8(x_48, sizeof(void*)*8, x_100);
+lean_dec(x_89);
 x_101 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_101, 0, x_48);
-lean_ctor_set(x_101, 1, x_97);
-lean_ctor_set(x_101, 2, x_98);
-lean_ctor_set(x_101, 3, x_99);
+lean_ctor_set(x_101, 0, x_85);
+lean_ctor_set(x_101, 1, x_98);
+lean_ctor_set(x_101, 2, x_99);
+lean_ctor_set(x_101, 3, x_100);
 x_102 = lean_st_ref_set(x_8, x_101, x_90);
 x_103 = lean_ctor_get(x_102, 1);
 lean_inc(x_103);
-lean_dec(x_102);
-x_28 = x_46;
-x_29 = x_103;
-goto block_36;
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
+} else {
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
+}
+if (lean_is_scalar(x_104)) {
+ x_105 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_105 = x_104;
+}
+lean_ctor_set(x_105, 0, x_84);
+lean_ctor_set(x_105, 1, x_103);
+x_37 = x_105;
+goto block_41;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_104 = lean_ctor_get(x_48, 0);
-x_105 = lean_ctor_get(x_48, 1);
-x_106 = lean_ctor_get(x_48, 2);
-x_107 = lean_ctor_get(x_48, 3);
-x_108 = lean_ctor_get(x_48, 4);
-x_109 = lean_ctor_get(x_48, 5);
-x_110 = lean_ctor_get(x_48, 6);
-x_111 = lean_ctor_get(x_48, 7);
-lean_inc(x_111);
-lean_inc(x_110);
-lean_inc(x_109);
-lean_inc(x_108);
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; uint8_t x_115; 
+lean_dec(x_51);
+x_106 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__12(x_2, x_3, x_45, x_53);
+x_107 = lean_ctor_get(x_106, 1);
 lean_inc(x_107);
-lean_inc(x_106);
-lean_inc(x_105);
-lean_inc(x_104);
-lean_dec(x_48);
-x_112 = lean_ctor_get(x_52, 1);
-lean_inc(x_112);
-x_113 = lean_ctor_get(x_52, 2);
+x_108 = lean_ctor_get(x_106, 0);
+lean_inc(x_108);
+lean_dec(x_106);
+x_109 = lean_ctor_get(x_107, 1);
+lean_inc(x_109);
+lean_dec(x_107);
+x_110 = lean_st_ref_get(x_10, x_50);
+x_111 = lean_ctor_get(x_110, 1);
+lean_inc(x_111);
+lean_dec(x_110);
+x_112 = lean_st_ref_take(x_8, x_111);
+x_113 = lean_ctor_get(x_112, 0);
 lean_inc(x_113);
-x_114 = lean_ctor_get(x_52, 3);
+x_114 = lean_ctor_get(x_112, 1);
 lean_inc(x_114);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- lean_ctor_release(x_52, 2);
- lean_ctor_release(x_52, 3);
- x_115 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_115 = lean_box(0);
-}
-x_116 = 1;
-x_117 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_117, 0, x_104);
-lean_ctor_set(x_117, 1, x_105);
-lean_ctor_set(x_117, 2, x_106);
-lean_ctor_set(x_117, 3, x_107);
-lean_ctor_set(x_117, 4, x_108);
-lean_ctor_set(x_117, 5, x_109);
-lean_ctor_set(x_117, 6, x_110);
-lean_ctor_set(x_117, 7, x_111);
-lean_ctor_set_uint8(x_117, sizeof(void*)*8, x_116);
-if (lean_is_scalar(x_115)) {
- x_118 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_118 = x_115;
-}
-lean_ctor_set(x_118, 0, x_117);
-lean_ctor_set(x_118, 1, x_112);
-lean_ctor_set(x_118, 2, x_113);
-lean_ctor_set(x_118, 3, x_114);
-x_119 = lean_st_ref_set(x_8, x_118, x_90);
-x_120 = lean_ctor_get(x_119, 1);
-lean_inc(x_120);
+lean_dec(x_112);
+x_115 = !lean_is_exclusive(x_113);
+if (x_115 == 0)
+{
+lean_object* x_116; lean_object* x_117; uint8_t x_118; 
+x_116 = lean_ctor_get(x_113, 0);
+lean_dec(x_116);
+lean_ctor_set(x_113, 0, x_109);
+x_117 = lean_st_ref_set(x_8, x_113, x_114);
+x_118 = !lean_is_exclusive(x_117);
+if (x_118 == 0)
+{
+lean_object* x_119; 
+x_119 = lean_ctor_get(x_117, 0);
 lean_dec(x_119);
-x_28 = x_46;
-x_29 = x_120;
-goto block_36;
+lean_ctor_set(x_117, 0, x_108);
+x_37 = x_117;
+goto block_41;
 }
+else
+{
+lean_object* x_120; lean_object* x_121; 
+x_120 = lean_ctor_get(x_117, 1);
+lean_inc(x_120);
+lean_dec(x_117);
+x_121 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_121, 0, x_108);
+lean_ctor_set(x_121, 1, x_120);
+x_37 = x_121;
+goto block_41;
+}
+}
+else
+{
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
+x_122 = lean_ctor_get(x_113, 1);
+x_123 = lean_ctor_get(x_113, 2);
+x_124 = lean_ctor_get(x_113, 3);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_dec(x_113);
+x_125 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_125, 0, x_109);
+lean_ctor_set(x_125, 1, x_122);
+lean_ctor_set(x_125, 2, x_123);
+lean_ctor_set(x_125, 3, x_124);
+x_126 = lean_st_ref_set(x_8, x_125, x_114);
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_128 = x_126;
+} else {
+ lean_dec_ref(x_126);
+ x_128 = lean_box(0);
+}
+if (lean_is_scalar(x_128)) {
+ x_129 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_129 = x_128;
+}
+lean_ctor_set(x_129, 0, x_108);
+lean_ctor_set(x_129, 1, x_127);
+x_37 = x_129;
+goto block_41;
 }
 }
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; uint8_t x_143; lean_object* x_144; uint8_t x_219; lean_object* x_220; lean_object* x_233; lean_object* x_234; lean_object* x_235; uint8_t x_236; 
-x_136 = lean_ctor_get(x_38, 3);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; uint8_t x_156; lean_object* x_157; lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
+x_130 = lean_ctor_get(x_43, 3);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_43, 4);
+lean_inc(x_131);
+lean_dec(x_43);
+x_132 = lean_st_ref_get(x_10, x_11);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = lean_st_ref_get(x_8, x_133);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
 lean_inc(x_136);
-x_137 = lean_ctor_get(x_38, 4);
-lean_inc(x_137);
-lean_dec(x_38);
-x_138 = lean_st_ref_get(x_10, x_11);
+lean_dec(x_134);
+x_170 = lean_ctor_get(x_135, 0);
+lean_inc(x_170);
+lean_dec(x_135);
+x_171 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
+x_172 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_170);
+x_173 = l_Lean_Expr_hasFVar(x_130);
+if (x_173 == 0)
+{
+uint8_t x_174; 
+x_174 = l_Lean_Expr_hasMVar(x_130);
+if (x_174 == 0)
+{
+uint8_t x_175; 
+lean_dec(x_130);
+x_175 = 0;
+x_156 = x_175;
+x_157 = x_172;
+goto block_169;
+}
+else
+{
+lean_object* x_176; lean_object* x_177; lean_object* x_178; uint8_t x_179; 
+x_176 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36(x_2, x_3, x_130, x_172);
+x_177 = lean_ctor_get(x_176, 0);
+lean_inc(x_177);
+x_178 = lean_ctor_get(x_176, 1);
+lean_inc(x_178);
+lean_dec(x_176);
+x_179 = lean_unbox(x_177);
+lean_dec(x_177);
+x_156 = x_179;
+x_157 = x_178;
+goto block_169;
+}
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; 
+x_180 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__44(x_2, x_3, x_130, x_172);
+x_181 = lean_ctor_get(x_180, 0);
+lean_inc(x_181);
+x_182 = lean_ctor_get(x_180, 1);
+lean_inc(x_182);
+lean_dec(x_180);
+x_183 = lean_unbox(x_181);
+lean_dec(x_181);
+x_156 = x_183;
+x_157 = x_182;
+goto block_169;
+}
+block_155:
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; 
 x_139 = lean_ctor_get(x_138, 1);
 lean_inc(x_139);
 lean_dec(x_138);
-x_140 = lean_st_ref_get(x_8, x_139);
-x_141 = lean_ctor_get(x_140, 0);
+x_140 = lean_st_ref_get(x_10, x_136);
+x_141 = lean_ctor_get(x_140, 1);
 lean_inc(x_141);
-x_142 = lean_ctor_get(x_140, 1);
-lean_inc(x_142);
 lean_dec(x_140);
-x_233 = lean_ctor_get(x_141, 0);
-lean_inc(x_233);
-lean_dec(x_141);
-x_234 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__56___closed__1;
-x_235 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_235, 0, x_234);
-lean_ctor_set(x_235, 1, x_233);
-x_236 = l_Lean_Expr_hasFVar(x_136);
-if (x_236 == 0)
+x_142 = lean_st_ref_take(x_8, x_141);
+x_143 = lean_ctor_get(x_142, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_142, 1);
+lean_inc(x_144);
+lean_dec(x_142);
+x_145 = !lean_is_exclusive(x_143);
+if (x_145 == 0)
 {
-uint8_t x_237; 
-x_237 = l_Lean_Expr_hasMVar(x_136);
-if (x_237 == 0)
-{
-uint8_t x_238; 
-lean_dec(x_136);
-x_238 = 0;
-x_219 = x_238;
-x_220 = x_235;
-goto block_232;
-}
-else
-{
-lean_object* x_239; lean_object* x_240; lean_object* x_241; uint8_t x_242; 
-x_239 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__36(x_2, x_3, x_136, x_235);
-x_240 = lean_ctor_get(x_239, 0);
-lean_inc(x_240);
-x_241 = lean_ctor_get(x_239, 1);
-lean_inc(x_241);
-lean_dec(x_239);
-x_242 = lean_unbox(x_240);
-lean_dec(x_240);
-x_219 = x_242;
-x_220 = x_241;
-goto block_232;
-}
-}
-else
-{
-lean_object* x_243; lean_object* x_244; lean_object* x_245; uint8_t x_246; 
-x_243 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__44(x_2, x_3, x_136, x_235);
-x_244 = lean_ctor_get(x_243, 0);
-lean_inc(x_244);
-x_245 = lean_ctor_get(x_243, 1);
-lean_inc(x_245);
-lean_dec(x_243);
-x_246 = lean_unbox(x_244);
-lean_dec(x_244);
-x_219 = x_246;
-x_220 = x_245;
-goto block_232;
-}
-block_218:
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
-x_145 = lean_ctor_get(x_144, 1);
-lean_inc(x_145);
-lean_dec(x_144);
-x_146 = lean_st_ref_get(x_10, x_142);
-x_147 = lean_ctor_get(x_146, 1);
-lean_inc(x_147);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_146 = lean_ctor_get(x_143, 0);
 lean_dec(x_146);
-x_148 = lean_st_ref_take(x_8, x_147);
-x_149 = lean_ctor_get(x_148, 0);
-lean_inc(x_149);
-x_150 = lean_ctor_get_uint8(x_145, sizeof(void*)*8);
-if (x_150 == 0)
+lean_ctor_set(x_143, 0, x_139);
+x_147 = lean_st_ref_set(x_8, x_143, x_144);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_28 = x_137;
+x_29 = x_148;
+goto block_36;
+}
+else
 {
-lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; uint8_t x_161; 
-x_151 = lean_ctor_get(x_149, 0);
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_149 = lean_ctor_get(x_143, 1);
+x_150 = lean_ctor_get(x_143, 2);
+x_151 = lean_ctor_get(x_143, 3);
 lean_inc(x_151);
-x_152 = lean_ctor_get(x_148, 1);
-lean_inc(x_152);
-lean_dec(x_148);
-x_153 = lean_ctor_get(x_145, 0);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_145, 1);
+lean_inc(x_150);
+lean_inc(x_149);
+lean_dec(x_143);
+x_152 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_152, 0, x_139);
+lean_ctor_set(x_152, 1, x_149);
+lean_ctor_set(x_152, 2, x_150);
+lean_ctor_set(x_152, 3, x_151);
+x_153 = lean_st_ref_set(x_8, x_152, x_144);
+x_154 = lean_ctor_get(x_153, 1);
 lean_inc(x_154);
-x_155 = lean_ctor_get(x_145, 2);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_145, 3);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_145, 4);
-lean_inc(x_157);
-x_158 = lean_ctor_get(x_145, 5);
-lean_inc(x_158);
-x_159 = lean_ctor_get(x_145, 6);
-lean_inc(x_159);
-x_160 = lean_ctor_get(x_145, 7);
-lean_inc(x_160);
-lean_dec(x_145);
-x_161 = !lean_is_exclusive(x_149);
-if (x_161 == 0)
+lean_dec(x_153);
+x_28 = x_137;
+x_29 = x_154;
+goto block_36;
+}
+}
+block_169:
 {
-lean_object* x_162; uint8_t x_163; 
-x_162 = lean_ctor_get(x_149, 0);
+if (x_156 == 0)
+{
+uint8_t x_158; 
+x_158 = l_Lean_Expr_hasFVar(x_131);
+if (x_158 == 0)
+{
+uint8_t x_159; 
+x_159 = l_Lean_Expr_hasMVar(x_131);
+if (x_159 == 0)
+{
+uint8_t x_160; 
+lean_dec(x_131);
+x_160 = 0;
+x_137 = x_160;
+x_138 = x_157;
+goto block_155;
+}
+else
+{
+lean_object* x_161; lean_object* x_162; lean_object* x_163; uint8_t x_164; 
+x_161 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20(x_2, x_3, x_131, x_157);
+x_162 = lean_ctor_get(x_161, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_161, 1);
+lean_inc(x_163);
+lean_dec(x_161);
+x_164 = lean_unbox(x_162);
 lean_dec(x_162);
-x_163 = !lean_is_exclusive(x_151);
-if (x_163 == 0)
+x_137 = x_164;
+x_138 = x_163;
+goto block_155;
+}
+}
+else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
-x_164 = lean_ctor_get(x_151, 7);
-lean_dec(x_164);
-x_165 = lean_ctor_get(x_151, 6);
+lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
+x_165 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28(x_2, x_3, x_131, x_157);
+x_166 = lean_ctor_get(x_165, 0);
+lean_inc(x_166);
+x_167 = lean_ctor_get(x_165, 1);
+lean_inc(x_167);
 lean_dec(x_165);
-x_166 = lean_ctor_get(x_151, 5);
+x_168 = lean_unbox(x_166);
 lean_dec(x_166);
-x_167 = lean_ctor_get(x_151, 4);
-lean_dec(x_167);
-x_168 = lean_ctor_get(x_151, 3);
-lean_dec(x_168);
-x_169 = lean_ctor_get(x_151, 2);
-lean_dec(x_169);
-x_170 = lean_ctor_get(x_151, 1);
-lean_dec(x_170);
-x_171 = lean_ctor_get(x_151, 0);
-lean_dec(x_171);
-lean_ctor_set(x_151, 7, x_160);
-lean_ctor_set(x_151, 6, x_159);
-lean_ctor_set(x_151, 5, x_158);
-lean_ctor_set(x_151, 4, x_157);
-lean_ctor_set(x_151, 3, x_156);
-lean_ctor_set(x_151, 2, x_155);
-lean_ctor_set(x_151, 1, x_154);
-lean_ctor_set(x_151, 0, x_153);
-x_172 = lean_st_ref_set(x_8, x_149, x_152);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
-lean_dec(x_172);
-x_28 = x_143;
-x_29 = x_173;
-goto block_36;
-}
-else
-{
-uint8_t x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_174 = lean_ctor_get_uint8(x_151, sizeof(void*)*8);
-lean_dec(x_151);
-x_175 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_175, 0, x_153);
-lean_ctor_set(x_175, 1, x_154);
-lean_ctor_set(x_175, 2, x_155);
-lean_ctor_set(x_175, 3, x_156);
-lean_ctor_set(x_175, 4, x_157);
-lean_ctor_set(x_175, 5, x_158);
-lean_ctor_set(x_175, 6, x_159);
-lean_ctor_set(x_175, 7, x_160);
-lean_ctor_set_uint8(x_175, sizeof(void*)*8, x_174);
-lean_ctor_set(x_149, 0, x_175);
-x_176 = lean_st_ref_set(x_8, x_149, x_152);
-x_177 = lean_ctor_get(x_176, 1);
-lean_inc(x_177);
-lean_dec(x_176);
-x_28 = x_143;
-x_29 = x_177;
-goto block_36;
+x_137 = x_168;
+x_138 = x_167;
+goto block_155;
 }
 }
 else
 {
-lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
-x_178 = lean_ctor_get(x_149, 1);
-x_179 = lean_ctor_get(x_149, 2);
-x_180 = lean_ctor_get(x_149, 3);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_dec(x_149);
-x_181 = lean_ctor_get_uint8(x_151, sizeof(void*)*8);
-if (lean_is_exclusive(x_151)) {
- lean_ctor_release(x_151, 0);
- lean_ctor_release(x_151, 1);
- lean_ctor_release(x_151, 2);
- lean_ctor_release(x_151, 3);
- lean_ctor_release(x_151, 4);
- lean_ctor_release(x_151, 5);
- lean_ctor_release(x_151, 6);
- lean_ctor_release(x_151, 7);
- x_182 = x_151;
-} else {
- lean_dec_ref(x_151);
- x_182 = lean_box(0);
-}
-if (lean_is_scalar(x_182)) {
- x_183 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_183 = x_182;
-}
-lean_ctor_set(x_183, 0, x_153);
-lean_ctor_set(x_183, 1, x_154);
-lean_ctor_set(x_183, 2, x_155);
-lean_ctor_set(x_183, 3, x_156);
-lean_ctor_set(x_183, 4, x_157);
-lean_ctor_set(x_183, 5, x_158);
-lean_ctor_set(x_183, 6, x_159);
-lean_ctor_set(x_183, 7, x_160);
-lean_ctor_set_uint8(x_183, sizeof(void*)*8, x_181);
-x_184 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_184, 0, x_183);
-lean_ctor_set(x_184, 1, x_178);
-lean_ctor_set(x_184, 2, x_179);
-lean_ctor_set(x_184, 3, x_180);
-x_185 = lean_st_ref_set(x_8, x_184, x_152);
-x_186 = lean_ctor_get(x_185, 1);
-lean_inc(x_186);
-lean_dec(x_185);
-x_28 = x_143;
-x_29 = x_186;
-goto block_36;
-}
-}
-else
-{
-lean_object* x_187; uint8_t x_188; 
-x_187 = lean_ctor_get(x_148, 1);
-lean_inc(x_187);
-lean_dec(x_148);
-x_188 = !lean_is_exclusive(x_145);
-if (x_188 == 0)
-{
-uint8_t x_189; 
-x_189 = !lean_is_exclusive(x_149);
-if (x_189 == 0)
-{
-lean_object* x_190; uint8_t x_191; lean_object* x_192; lean_object* x_193; 
-x_190 = lean_ctor_get(x_149, 0);
-lean_dec(x_190);
-x_191 = 1;
-lean_ctor_set_uint8(x_145, sizeof(void*)*8, x_191);
-lean_ctor_set(x_149, 0, x_145);
-x_192 = lean_st_ref_set(x_8, x_149, x_187);
-x_193 = lean_ctor_get(x_192, 1);
-lean_inc(x_193);
-lean_dec(x_192);
-x_28 = x_143;
-x_29 = x_193;
-goto block_36;
-}
-else
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_196; uint8_t x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; 
-x_194 = lean_ctor_get(x_149, 1);
-x_195 = lean_ctor_get(x_149, 2);
-x_196 = lean_ctor_get(x_149, 3);
-lean_inc(x_196);
-lean_inc(x_195);
-lean_inc(x_194);
-lean_dec(x_149);
-x_197 = 1;
-lean_ctor_set_uint8(x_145, sizeof(void*)*8, x_197);
-x_198 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_198, 0, x_145);
-lean_ctor_set(x_198, 1, x_194);
-lean_ctor_set(x_198, 2, x_195);
-lean_ctor_set(x_198, 3, x_196);
-x_199 = lean_st_ref_set(x_8, x_198, x_187);
-x_200 = lean_ctor_get(x_199, 1);
-lean_inc(x_200);
-lean_dec(x_199);
-x_28 = x_143;
-x_29 = x_200;
-goto block_36;
-}
-}
-else
-{
-lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; uint8_t x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; 
-x_201 = lean_ctor_get(x_145, 0);
-x_202 = lean_ctor_get(x_145, 1);
-x_203 = lean_ctor_get(x_145, 2);
-x_204 = lean_ctor_get(x_145, 3);
-x_205 = lean_ctor_get(x_145, 4);
-x_206 = lean_ctor_get(x_145, 5);
-x_207 = lean_ctor_get(x_145, 6);
-x_208 = lean_ctor_get(x_145, 7);
-lean_inc(x_208);
-lean_inc(x_207);
-lean_inc(x_206);
-lean_inc(x_205);
-lean_inc(x_204);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_dec(x_145);
-x_209 = lean_ctor_get(x_149, 1);
-lean_inc(x_209);
-x_210 = lean_ctor_get(x_149, 2);
-lean_inc(x_210);
-x_211 = lean_ctor_get(x_149, 3);
-lean_inc(x_211);
-if (lean_is_exclusive(x_149)) {
- lean_ctor_release(x_149, 0);
- lean_ctor_release(x_149, 1);
- lean_ctor_release(x_149, 2);
- lean_ctor_release(x_149, 3);
- x_212 = x_149;
-} else {
- lean_dec_ref(x_149);
- x_212 = lean_box(0);
-}
-x_213 = 1;
-x_214 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_214, 0, x_201);
-lean_ctor_set(x_214, 1, x_202);
-lean_ctor_set(x_214, 2, x_203);
-lean_ctor_set(x_214, 3, x_204);
-lean_ctor_set(x_214, 4, x_205);
-lean_ctor_set(x_214, 5, x_206);
-lean_ctor_set(x_214, 6, x_207);
-lean_ctor_set(x_214, 7, x_208);
-lean_ctor_set_uint8(x_214, sizeof(void*)*8, x_213);
-if (lean_is_scalar(x_212)) {
- x_215 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_215 = x_212;
-}
-lean_ctor_set(x_215, 0, x_214);
-lean_ctor_set(x_215, 1, x_209);
-lean_ctor_set(x_215, 2, x_210);
-lean_ctor_set(x_215, 3, x_211);
-x_216 = lean_st_ref_set(x_8, x_215, x_187);
-x_217 = lean_ctor_get(x_216, 1);
-lean_inc(x_217);
-lean_dec(x_216);
-x_28 = x_143;
-x_29 = x_217;
-goto block_36;
-}
-}
-}
-block_232:
-{
-if (x_219 == 0)
-{
-uint8_t x_221; 
-x_221 = l_Lean_Expr_hasFVar(x_137);
-if (x_221 == 0)
-{
-uint8_t x_222; 
-x_222 = l_Lean_Expr_hasMVar(x_137);
-if (x_222 == 0)
-{
-uint8_t x_223; 
-lean_dec(x_137);
-x_223 = 0;
-x_143 = x_223;
-x_144 = x_220;
-goto block_218;
-}
-else
-{
-lean_object* x_224; lean_object* x_225; lean_object* x_226; uint8_t x_227; 
-x_224 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__20(x_2, x_3, x_137, x_220);
-x_225 = lean_ctor_get(x_224, 0);
-lean_inc(x_225);
-x_226 = lean_ctor_get(x_224, 1);
-lean_inc(x_226);
-lean_dec(x_224);
-x_227 = lean_unbox(x_225);
-lean_dec(x_225);
-x_143 = x_227;
-x_144 = x_226;
-goto block_218;
-}
-}
-else
-{
-lean_object* x_228; lean_object* x_229; lean_object* x_230; uint8_t x_231; 
-x_228 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_Cases_hasIndepIndices___spec__28(x_2, x_3, x_137, x_220);
-x_229 = lean_ctor_get(x_228, 0);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_228, 1);
-lean_inc(x_230);
-lean_dec(x_228);
-x_231 = lean_unbox(x_229);
-lean_dec(x_229);
-x_143 = x_231;
-x_144 = x_230;
-goto block_218;
-}
-}
-else
-{
-lean_dec(x_137);
-x_143 = x_219;
-x_144 = x_220;
-goto block_218;
+lean_dec(x_131);
+x_137 = x_156;
+x_138 = x_157;
+goto block_155;
 }
 }
 }
 }
 else
 {
-lean_dec(x_38);
-x_28 = x_39;
+lean_dec(x_43);
+x_28 = x_44;
 x_29 = x_11;
 goto block_36;
 }
@@ -11016,16 +10495,30 @@ x_23 = x_35;
 goto block_27;
 }
 }
+block_41:
+{
+lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_unbox(x_38);
+lean_dec(x_38);
+x_28 = x_40;
+x_29 = x_39;
+goto block_36;
+}
 }
 else
 {
-uint8_t x_260; lean_object* x_261; lean_object* x_262; 
-x_260 = 0;
-x_261 = lean_box(x_260);
-x_262 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_262, 0, x_261);
-lean_ctor_set(x_262, 1, x_11);
-return x_262;
+uint8_t x_197; lean_object* x_198; lean_object* x_199; 
+x_197 = 0;
+x_198 = lean_box(x_197);
+x_199 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_199, 0, x_198);
+lean_ctor_set(x_199, 1, x_11);
+return x_199;
 }
 }
 }
@@ -12236,6 +11729,7 @@ x_34 = lean_ctor_get(x_26, 1);
 lean_inc(x_34);
 lean_dec(x_26);
 x_35 = l_Lean_Meta_SavedState_restore(x_24, x_5, x_6, x_7, x_8, x_34);
+lean_dec(x_24);
 x_36 = lean_ctor_get(x_35, 1);
 lean_inc(x_36);
 lean_dec(x_35);
@@ -12592,7 +12086,7 @@ static lean_object* _init_l_Lean_Meta_Cases_unifyEqs_x3f___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_acyclic), 7, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_acyclic), 7, 0);
 return x_1;
 }
 }
@@ -13800,6 +13294,14 @@ lean_dec(x_4);
 return x_10;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_MVarId_cases(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_cases(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -13808,7 +13310,7 @@ x_9 = l_Lean_Meta_Cases_cases(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_Meta_casesRec___spec__1(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -13864,7 +13366,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -13924,6 +13426,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_20 = !lean_is_exclusive(x_19);
 if (x_20 == 0)
 {
@@ -13949,7 +13452,7 @@ return x_25;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
@@ -13979,7 +13482,7 @@ lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean
 x_14 = lean_ctor_get(x_12, 0);
 x_15 = lean_array_to_list(lean_box(0), x_14);
 x_16 = lean_box(0);
-x_17 = l_List_mapTRAux___at_Lean_Meta_casesRec___spec__1(x_15, x_16);
+x_17 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_15, x_16);
 x_18 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_18, 0, x_17);
 lean_ctor_set(x_12, 0, x_18);
@@ -13995,7 +13498,7 @@ lean_inc(x_19);
 lean_dec(x_12);
 x_21 = lean_array_to_list(lean_box(0), x_19);
 x_22 = lean_box(0);
-x_23 = l_List_mapTRAux___at_Lean_Meta_casesRec___spec__1(x_21, x_22);
+x_23 = l_List_mapTRAux___at_Lean_MVarId_casesRec___spec__1(x_21, x_22);
 x_24 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_24, 0, x_23);
 x_25 = lean_alloc_ctor(0, 2, 0);
@@ -14015,6 +13518,7 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_10);
 x_28 = !lean_is_exclusive(x_27);
 if (x_28 == 0)
 {
@@ -14040,7 +13544,7 @@ return x_33;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 uint8_t x_15; 
@@ -14082,7 +13586,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_19, x_10, x_11, x_12, x_13, x_14);
+x_21 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_19, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_21) == 0)
 {
 lean_object* x_22; 
@@ -14196,7 +13700,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_39 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_38, x_10, x_11, x_12, x_13, x_14);
+x_39 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_4, x_17, x_38, x_10, x_11, x_12, x_13, x_14);
 if (lean_obj_tag(x_39) == 0)
 {
 lean_object* x_40; 
@@ -14298,7 +13802,7 @@ return x_55;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -14394,7 +13898,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_2);
-x_41 = l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(x_2, x_39, x_40, x_9, x_10, x_11, x_12, x_38);
+x_41 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_39, x_40, x_9, x_10, x_11, x_12, x_38);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 if (lean_obj_tag(x_42) == 0)
@@ -14513,7 +14017,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_2);
-x_62 = l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(x_2, x_60, x_61, x_9, x_10, x_11, x_12, x_59);
+x_62 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_60, x_61, x_9, x_10, x_11, x_12, x_59);
 x_63 = lean_ctor_get(x_62, 0);
 lean_inc(x_63);
 if (lean_obj_tag(x_63) == 0)
@@ -14639,7 +14143,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
@@ -14651,7 +14155,7 @@ lean_ctor_set(x_9, 1, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 if (lean_obj_tag(x_5) == 0)
@@ -14672,7 +14176,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_18 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6(x_1, x_2, x_3, x_4, x_13, x_12, x_16, x_17, x_14, x_7, x_8, x_9, x_10, x_11);
+x_18 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_4, x_13, x_12, x_16, x_17, x_14, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_12);
 if (lean_obj_tag(x_18) == 0)
 {
@@ -14691,7 +14195,7 @@ x_22 = lean_ctor_get(x_19, 1);
 lean_inc(x_22);
 lean_dec(x_19);
 x_23 = lean_box(0);
-x_24 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1(x_22, x_23, x_7, x_8, x_9, x_10, x_21);
+x_24 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_22, x_23, x_7, x_8, x_9, x_10, x_21);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -14780,7 +14284,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_41 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7(x_1, x_2, x_3, x_36, x_35, x_39, x_40, x_37, x_7, x_8, x_9, x_10, x_11);
+x_41 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(x_1, x_2, x_3, x_36, x_35, x_39, x_40, x_37, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_35);
 if (lean_obj_tag(x_41) == 0)
 {
@@ -14799,7 +14303,7 @@ x_45 = lean_ctor_get(x_42, 1);
 lean_inc(x_45);
 lean_dec(x_42);
 x_46 = lean_box(0);
-x_47 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1(x_45, x_46, x_7, x_8, x_9, x_10, x_44);
+x_47 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_45, x_46, x_7, x_8, x_9, x_10, x_44);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -14871,7 +14375,7 @@ return x_57;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, size_t x_6, size_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -14967,7 +14471,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_2);
-x_42 = l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(x_2, x_40, x_41, x_9, x_10, x_11, x_12, x_39);
+x_42 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_40, x_41, x_9, x_10, x_11, x_12, x_39);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 if (lean_obj_tag(x_43) == 0)
@@ -15086,7 +14590,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_2);
-x_63 = l_Lean_observing_x3f___at_Lean_Meta_casesRec___spec__2___at_Lean_Meta_casesRec___spec__3(x_2, x_61, x_62, x_9, x_10, x_11, x_12, x_60);
+x_63 = l_Lean_observing_x3f___at_Lean_MVarId_casesRec___spec__2___at_Lean_MVarId_casesRec___spec__3(x_2, x_61, x_62, x_9, x_10, x_11, x_12, x_60);
 x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
 if (lean_obj_tag(x_64) == 0)
@@ -15215,7 +14719,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -15225,7 +14729,7 @@ lean_ctor_set(x_8, 1, x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; lean_object* x_12; 
@@ -15239,7 +14743,7 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_12 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5(x_1, x_2, x_3, x_5, x_11, x_5, x_6, x_7, x_8, x_9, x_10);
+x_12 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5(x_1, x_2, x_3, x_5, x_11, x_5, x_6, x_7, x_8, x_9, x_10);
 if (lean_obj_tag(x_12) == 0)
 {
 lean_object* x_13; 
@@ -15303,7 +14807,7 @@ x_25 = lean_array_get_size(x_22);
 x_26 = lean_usize_of_nat(x_25);
 lean_dec(x_25);
 x_27 = 0;
-x_28 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8(x_1, x_2, x_3, x_23, x_22, x_26, x_27, x_24, x_6, x_7, x_8, x_9, x_20);
+x_28 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(x_1, x_2, x_3, x_23, x_22, x_26, x_27, x_24, x_6, x_7, x_8, x_9, x_20);
 lean_dec(x_22);
 if (lean_obj_tag(x_28) == 0)
 {
@@ -15430,7 +14934,7 @@ return x_50;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_casesRec___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_MVarId_casesRec___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -15442,7 +14946,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
@@ -15452,8 +14956,8 @@ x_9 = lean_box(0);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_Meta_casesRec___lambda__1___closed__1;
-x_12 = l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4(x_1, x_2, x_11, x_10, x_11, x_3, x_4, x_5, x_6, x_7);
+x_11 = l_Lean_MVarId_casesRec___lambda__1___closed__1;
+x_12 = l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4(x_1, x_2, x_11, x_10, x_11, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_12) == 0)
 {
 lean_object* x_13; lean_object* x_14; 
@@ -15541,29 +15045,29 @@ return x_28;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
 lean_inc(x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_casesRec___lambda__1), 7, 2);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_casesRec___lambda__1), 7, 2);
 lean_closure_set(x_8, 0, x_1);
 lean_closure_set(x_8, 1, x_2);
 x_9 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(x_2, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesRec(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesRec(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
-x_8 = lean_alloc_closure((void*)(l_Lean_Meta_casesRec___lambda__2), 7, 1);
+x_8 = lean_alloc_closure((void*)(l_Lean_MVarId_casesRec___lambda__2), 7, 1);
 lean_closure_set(x_8, 0, x_2);
 x_9 = l_Lean_Meta_saturate(x_1, x_8, x_3, x_4, x_5, x_6, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 size_t x_15; size_t x_16; lean_object* x_17; 
@@ -15571,12 +15075,12 @@ x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
 x_16 = lean_unbox_usize(x_8);
 lean_dec(x_8);
-x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__6(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
+x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__6(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_6);
 return x_17;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 size_t x_14; size_t x_15; lean_object* x_16; 
@@ -15584,16 +15088,16 @@ x_14 = lean_unbox_usize(x_6);
 lean_dec(x_6);
 x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__7(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__7(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_5);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Std_PersistentArray_forInAux___at_Lean_Meta_casesRec___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_casesRec___spec__5___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
@@ -15602,7 +15106,7 @@ lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 size_t x_14; size_t x_15; lean_object* x_16; 
@@ -15610,16 +15114,16 @@ x_14 = lean_unbox_usize(x_6);
 lean_dec(x_6);
 x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_casesRec___spec__8(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_casesRec___spec__8(x_1, x_2, x_3, x_4, x_5, x_14, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_5);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Std_PersistentArray_forIn___at_Lean_Meta_casesRec___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Std_PersistentArray_forIn___at_Lean_MVarId_casesRec___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
@@ -15628,7 +15132,7 @@ lean_dec(x_2);
 return x_8;
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___lambda__1___closed__1() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -15636,17 +15140,17 @@ x_1 = lean_mk_string_from_bytes("And", 3);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___lambda__1___closed__2() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_casesAnd___lambda__1___closed__1;
+x_2 = l_Lean_MVarId_casesAnd___lambda__1___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -15657,7 +15161,7 @@ if (x_9 == 0)
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; lean_object* x_14; 
 x_10 = lean_ctor_get(x_8, 0);
-x_11 = l_Lean_Meta_casesAnd___lambda__1___closed__2;
+x_11 = l_Lean_MVarId_casesAnd___lambda__1___closed__2;
 x_12 = lean_unsigned_to_nat(2u);
 x_13 = l_Lean_Expr_isAppOfArity(x_10, x_11, x_12);
 lean_dec(x_10);
@@ -15673,7 +15177,7 @@ x_16 = lean_ctor_get(x_8, 1);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_dec(x_8);
-x_17 = l_Lean_Meta_casesAnd___lambda__1___closed__2;
+x_17 = l_Lean_MVarId_casesAnd___lambda__1___closed__2;
 x_18 = lean_unsigned_to_nat(2u);
 x_19 = l_Lean_Expr_isAppOfArity(x_15, x_17, x_18);
 lean_dec(x_15);
@@ -15685,15 +15189,15 @@ return x_21;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___closed__1() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_casesAnd___lambda__1___boxed), 6, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_casesAnd___lambda__1___boxed), 6, 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___closed__2() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -15701,36 +15205,36 @@ x_1 = lean_mk_string_from_bytes("unexpected number of goals", 26);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___closed__3() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_casesAnd___closed__2;
+x_1 = l_Lean_MVarId_casesAnd___closed__2;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_casesAnd___closed__4() {
+static lean_object* _init_l_Lean_MVarId_casesAnd___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_casesAnd___closed__3;
+x_1 = l_Lean_MVarId_casesAnd___closed__3;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; 
-x_7 = l_Lean_Meta_casesAnd___closed__1;
+x_7 = l_Lean_MVarId_casesAnd___closed__1;
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_8 = l_Lean_Meta_casesRec(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
+x_8 = l_Lean_MVarId_casesRec(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
 if (lean_obj_tag(x_8) == 0)
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
@@ -15739,7 +15243,7 @@ lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_Meta_casesAnd___closed__4;
+x_11 = l_Lean_MVarId_casesAnd___closed__4;
 x_12 = l_Lean_Meta_exactlyOne(x_9, x_11, x_2, x_3, x_4, x_5, x_10);
 return x_12;
 }
@@ -15771,11 +15275,11 @@ return x_16;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_casesAnd___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_casesAnd___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_casesAnd___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_MVarId_casesAnd___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -15784,7 +15288,7 @@ lean_dec(x_1);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -15849,24 +15353,24 @@ return x_24;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_substEqs___closed__1() {
+static lean_object* _init_l_Lean_MVarId_substEqs___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_substEqs___lambda__1___boxed), 6, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_substEqs___lambda__1___boxed), 6, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; 
-x_7 = l_Lean_Meta_substEqs___closed__1;
+x_7 = l_Lean_MVarId_substEqs___closed__1;
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_8 = l_Lean_Meta_casesRec(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
+x_8 = l_Lean_MVarId_casesRec(x_1, x_7, x_2, x_3, x_4, x_5, x_6);
 if (lean_obj_tag(x_8) == 0)
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
@@ -15875,7 +15379,7 @@ lean_inc(x_9);
 x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
-x_11 = l_Lean_Meta_casesAnd___closed__4;
+x_11 = l_Lean_MVarId_casesAnd___closed__4;
 x_12 = l_Lean_Meta_ensureAtMostOne(x_9, x_11, x_2, x_3, x_4, x_5, x_10);
 return x_12;
 }
@@ -15907,11 +15411,11 @@ return x_16;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_substEqs___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_substEqs___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_substEqs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_MVarId_substEqs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -15920,7 +15424,7 @@ lean_dec(x_1);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -15958,7 +15462,7 @@ return x_15;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases_toByCasesSubgoal___closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -15966,16 +15470,16 @@ x_1 = lean_mk_string_from_bytes("'byCases' tactic failed, unexpected new hypothe
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases_toByCasesSubgoal___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_byCases_toByCasesSubgoal___closed__1;
+x_1 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases_toByCasesSubgoal(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
@@ -15993,8 +15497,8 @@ if (x_11 == 0)
 lean_object* x_12; lean_object* x_13; 
 lean_dec(x_8);
 lean_dec(x_7);
-x_12 = l_Lean_Meta_byCases_toByCasesSubgoal___closed__2;
-x_13 = l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1(x_12, x_2, x_3, x_4, x_5, x_6);
+x_12 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2;
+x_13 = l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(x_12, x_2, x_3, x_4, x_5, x_6);
 return x_13;
 }
 else
@@ -16025,18 +15529,18 @@ else
 lean_object* x_20; lean_object* x_21; 
 lean_dec(x_15);
 lean_dec(x_7);
-x_20 = l_Lean_Meta_byCases_toByCasesSubgoal___closed__2;
-x_21 = l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1(x_20, x_2, x_3, x_4, x_5, x_6);
+x_20 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2;
+x_21 = l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(x_20, x_2, x_3, x_4, x_5, x_6);
 return x_21;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_throwError___at_Lean_Meta_byCases_toByCasesSubgoal___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_throwError___at___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -16044,11 +15548,11 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases_toByCasesSubgoal___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_byCases_toByCasesSubgoal(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -16056,7 +15560,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -16094,7 +15598,7 @@ return x_15;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases___closed__1() {
+static lean_object* _init_l_Lean_MVarId_byCases___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -16102,17 +15606,17 @@ x_1 = lean_mk_string_from_bytes("hByCases", 8);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases___closed__2() {
+static lean_object* _init_l_Lean_MVarId_byCases___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_byCases___closed__1;
+x_2 = l_Lean_MVarId_byCases___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases___closed__3() {
+static lean_object* _init_l_Lean_MVarId_byCases___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -16121,7 +15625,7 @@ x_2 = lean_mk_empty_array_with_capacity(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases___closed__4() {
+static lean_object* _init_l_Lean_MVarId_byCases___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -16129,16 +15633,16 @@ x_1 = lean_mk_string_from_bytes("'byCases' tactic failed, unexpected number of s
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_byCases___closed__5() {
+static lean_object* _init_l_Lean_MVarId_byCases___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_byCases___closed__4;
+x_1 = l_Lean_MVarId_byCases___closed__4;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_byCases(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_byCases(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -16147,7 +15651,7 @@ x_9 = l_Lean_mkNot(x_2);
 lean_inc(x_2);
 x_10 = l_Lean_mkOr(x_2, x_9);
 x_11 = l_Lean_mkEM(x_2);
-x_12 = l_Lean_Meta_byCases___closed__2;
+x_12 = l_Lean_MVarId_byCases___closed__2;
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -16188,7 +15692,7 @@ lean_ctor_set(x_24, 1, x_23);
 x_25 = lean_alloc_ctor(0, 1, 1);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set_uint8(x_25, sizeof(void*)*1, x_16);
-x_26 = l_Lean_Meta_byCases___closed__3;
+x_26 = l_Lean_MVarId_byCases___closed__3;
 lean_inc(x_25);
 x_27 = lean_array_push(x_26, x_25);
 x_28 = lean_array_push(x_27, x_25);
@@ -16214,8 +15718,8 @@ if (x_34 == 0)
 lean_object* x_35; lean_object* x_36; 
 lean_dec(x_30);
 lean_free_object(x_18);
-x_35 = l_Lean_Meta_byCases___closed__5;
-x_36 = l_Lean_throwError___at_Lean_Meta_byCases___spec__1(x_35, x_4, x_5, x_6, x_7, x_31);
+x_35 = l_Lean_MVarId_byCases___closed__5;
+x_36 = l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(x_35, x_4, x_5, x_6, x_7, x_31);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -16230,7 +15734,7 @@ x_38 = lean_array_fget(x_30, x_37);
 x_39 = lean_unsigned_to_nat(1u);
 x_40 = lean_array_fget(x_30, x_39);
 lean_dec(x_30);
-x_41 = l_Lean_Meta_byCases_toByCasesSubgoal(x_38, x_4, x_5, x_6, x_7, x_31);
+x_41 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(x_38, x_4, x_5, x_6, x_7, x_31);
 if (lean_obj_tag(x_41) == 0)
 {
 lean_object* x_42; lean_object* x_43; lean_object* x_44; 
@@ -16239,7 +15743,7 @@ lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
 lean_inc(x_43);
 lean_dec(x_41);
-x_44 = l_Lean_Meta_byCases_toByCasesSubgoal(x_40, x_4, x_5, x_6, x_7, x_43);
+x_44 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(x_40, x_4, x_5, x_6, x_7, x_43);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -16371,7 +15875,7 @@ lean_ctor_set(x_65, 1, x_64);
 x_66 = lean_alloc_ctor(0, 1, 1);
 lean_ctor_set(x_66, 0, x_65);
 lean_ctor_set_uint8(x_66, sizeof(void*)*1, x_16);
-x_67 = l_Lean_Meta_byCases___closed__3;
+x_67 = l_Lean_MVarId_byCases___closed__3;
 lean_inc(x_66);
 x_68 = lean_array_push(x_67, x_66);
 x_69 = lean_array_push(x_68, x_66);
@@ -16396,8 +15900,8 @@ if (x_75 == 0)
 {
 lean_object* x_76; lean_object* x_77; 
 lean_dec(x_71);
-x_76 = l_Lean_Meta_byCases___closed__5;
-x_77 = l_Lean_throwError___at_Lean_Meta_byCases___spec__1(x_76, x_4, x_5, x_6, x_7, x_72);
+x_76 = l_Lean_MVarId_byCases___closed__5;
+x_77 = l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(x_76, x_4, x_5, x_6, x_7, x_72);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -16412,7 +15916,7 @@ x_79 = lean_array_fget(x_71, x_78);
 x_80 = lean_unsigned_to_nat(1u);
 x_81 = lean_array_fget(x_71, x_80);
 lean_dec(x_71);
-x_82 = l_Lean_Meta_byCases_toByCasesSubgoal(x_79, x_4, x_5, x_6, x_7, x_72);
+x_82 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(x_79, x_4, x_5, x_6, x_7, x_72);
 if (lean_obj_tag(x_82) == 0)
 {
 lean_object* x_83; lean_object* x_84; lean_object* x_85; 
@@ -16421,7 +15925,7 @@ lean_inc(x_83);
 x_84 = lean_ctor_get(x_82, 1);
 lean_inc(x_84);
 lean_dec(x_82);
-x_85 = l_Lean_Meta_byCases_toByCasesSubgoal(x_81, x_4, x_5, x_6, x_7, x_84);
+x_85 = l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal(x_81, x_4, x_5, x_6, x_7, x_84);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -16597,11 +16101,11 @@ return x_110;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_byCases___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_MVarId_byCases___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_throwError___at_Lean_Meta_byCases___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_throwError___at_Lean_MVarId_byCases___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -16609,7 +16113,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3318_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3335_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -16759,37 +16263,37 @@ l_Lean_Meta_Cases_cases___lambda__2___closed__11 = _init_l_Lean_Meta_Cases_cases
 lean_mark_persistent(l_Lean_Meta_Cases_cases___lambda__2___closed__11);
 l_Lean_Meta_Cases_cases___closed__1 = _init_l_Lean_Meta_Cases_cases___closed__1();
 lean_mark_persistent(l_Lean_Meta_Cases_cases___closed__1);
-l_Lean_Meta_casesRec___lambda__1___closed__1 = _init_l_Lean_Meta_casesRec___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_Meta_casesRec___lambda__1___closed__1);
-l_Lean_Meta_casesAnd___lambda__1___closed__1 = _init_l_Lean_Meta_casesAnd___lambda__1___closed__1();
-lean_mark_persistent(l_Lean_Meta_casesAnd___lambda__1___closed__1);
-l_Lean_Meta_casesAnd___lambda__1___closed__2 = _init_l_Lean_Meta_casesAnd___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_Meta_casesAnd___lambda__1___closed__2);
-l_Lean_Meta_casesAnd___closed__1 = _init_l_Lean_Meta_casesAnd___closed__1();
-lean_mark_persistent(l_Lean_Meta_casesAnd___closed__1);
-l_Lean_Meta_casesAnd___closed__2 = _init_l_Lean_Meta_casesAnd___closed__2();
-lean_mark_persistent(l_Lean_Meta_casesAnd___closed__2);
-l_Lean_Meta_casesAnd___closed__3 = _init_l_Lean_Meta_casesAnd___closed__3();
-lean_mark_persistent(l_Lean_Meta_casesAnd___closed__3);
-l_Lean_Meta_casesAnd___closed__4 = _init_l_Lean_Meta_casesAnd___closed__4();
-lean_mark_persistent(l_Lean_Meta_casesAnd___closed__4);
-l_Lean_Meta_substEqs___closed__1 = _init_l_Lean_Meta_substEqs___closed__1();
-lean_mark_persistent(l_Lean_Meta_substEqs___closed__1);
-l_Lean_Meta_byCases_toByCasesSubgoal___closed__1 = _init_l_Lean_Meta_byCases_toByCasesSubgoal___closed__1();
-lean_mark_persistent(l_Lean_Meta_byCases_toByCasesSubgoal___closed__1);
-l_Lean_Meta_byCases_toByCasesSubgoal___closed__2 = _init_l_Lean_Meta_byCases_toByCasesSubgoal___closed__2();
-lean_mark_persistent(l_Lean_Meta_byCases_toByCasesSubgoal___closed__2);
-l_Lean_Meta_byCases___closed__1 = _init_l_Lean_Meta_byCases___closed__1();
-lean_mark_persistent(l_Lean_Meta_byCases___closed__1);
-l_Lean_Meta_byCases___closed__2 = _init_l_Lean_Meta_byCases___closed__2();
-lean_mark_persistent(l_Lean_Meta_byCases___closed__2);
-l_Lean_Meta_byCases___closed__3 = _init_l_Lean_Meta_byCases___closed__3();
-lean_mark_persistent(l_Lean_Meta_byCases___closed__3);
-l_Lean_Meta_byCases___closed__4 = _init_l_Lean_Meta_byCases___closed__4();
-lean_mark_persistent(l_Lean_Meta_byCases___closed__4);
-l_Lean_Meta_byCases___closed__5 = _init_l_Lean_Meta_byCases___closed__5();
-lean_mark_persistent(l_Lean_Meta_byCases___closed__5);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3318_(lean_io_mk_world());
+l_Lean_MVarId_casesRec___lambda__1___closed__1 = _init_l_Lean_MVarId_casesRec___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_casesRec___lambda__1___closed__1);
+l_Lean_MVarId_casesAnd___lambda__1___closed__1 = _init_l_Lean_MVarId_casesAnd___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___lambda__1___closed__1);
+l_Lean_MVarId_casesAnd___lambda__1___closed__2 = _init_l_Lean_MVarId_casesAnd___lambda__1___closed__2();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___lambda__1___closed__2);
+l_Lean_MVarId_casesAnd___closed__1 = _init_l_Lean_MVarId_casesAnd___closed__1();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___closed__1);
+l_Lean_MVarId_casesAnd___closed__2 = _init_l_Lean_MVarId_casesAnd___closed__2();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___closed__2);
+l_Lean_MVarId_casesAnd___closed__3 = _init_l_Lean_MVarId_casesAnd___closed__3();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___closed__3);
+l_Lean_MVarId_casesAnd___closed__4 = _init_l_Lean_MVarId_casesAnd___closed__4();
+lean_mark_persistent(l_Lean_MVarId_casesAnd___closed__4);
+l_Lean_MVarId_substEqs___closed__1 = _init_l_Lean_MVarId_substEqs___closed__1();
+lean_mark_persistent(l_Lean_MVarId_substEqs___closed__1);
+l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1 = _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__1);
+l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2 = _init_l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Cases_0__Lean_Meta_toByCasesSubgoal___closed__2);
+l_Lean_MVarId_byCases___closed__1 = _init_l_Lean_MVarId_byCases___closed__1();
+lean_mark_persistent(l_Lean_MVarId_byCases___closed__1);
+l_Lean_MVarId_byCases___closed__2 = _init_l_Lean_MVarId_byCases___closed__2();
+lean_mark_persistent(l_Lean_MVarId_byCases___closed__2);
+l_Lean_MVarId_byCases___closed__3 = _init_l_Lean_MVarId_byCases___closed__3();
+lean_mark_persistent(l_Lean_MVarId_byCases___closed__3);
+l_Lean_MVarId_byCases___closed__4 = _init_l_Lean_MVarId_byCases___closed__4();
+lean_mark_persistent(l_Lean_MVarId_byCases___closed__4);
+l_Lean_MVarId_byCases___closed__5 = _init_l_Lean_MVarId_byCases___closed__5();
+lean_mark_persistent(l_Lean_MVarId_byCases___closed__5);
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Cases___hyg_3335_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Cleanup.c b/stage0/stdlib/Lean/Meta/Tactic/Cleanup.c
index 847f82d634..c5c539b7cb 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Cleanup.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Cleanup.c
@@ -828,7 +828,7 @@ return x_8;
 LEAN_EXPORT lean_object* l_Lean_dependsOnPred___at___private_Lean_Meta_Tactic_Cleanup_0__Lean_Meta_cleanupCore_collectPropsStep___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_10 = lean_st_ref_get(x_8, x_9);
 x_11 = lean_ctor_get(x_10, 1);
 lean_inc(x_11);
@@ -842,237 +842,172 @@ lean_dec(x_12);
 x_15 = lean_ctor_get(x_13, 0);
 lean_inc(x_15);
 lean_dec(x_13);
-x_114 = l___private_Lean_Meta_Tactic_Cleanup_0__Lean_Meta_cleanupCore_addUsedFVars___closed__1;
-x_115 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_115, 0, x_114);
-lean_ctor_set(x_115, 1, x_15);
-x_116 = l_Lean_Expr_hasFVar(x_1);
-if (x_116 == 0)
+x_16 = l___private_Lean_Meta_Tactic_Cleanup_0__Lean_Meta_cleanupCore_addUsedFVars___closed__1;
+lean_inc(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = l_Lean_Expr_hasFVar(x_1);
+if (x_18 == 0)
 {
-uint8_t x_117; 
-x_117 = l_Lean_Expr_hasMVar(x_1);
-if (x_117 == 0)
+uint8_t x_19; 
+x_19 = l_Lean_Expr_hasMVar(x_1);
+if (x_19 == 0)
 {
-uint8_t x_118; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+lean_dec(x_17);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_118 = 0;
-x_16 = x_118;
-x_17 = x_115;
-goto block_113;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_1, x_115);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_16 = x_122;
-x_17 = x_121;
-goto block_113;
-}
-}
-else
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-x_123 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_1, x_115);
-x_124 = lean_ctor_get(x_123, 0);
-lean_inc(x_124);
-x_125 = lean_ctor_get(x_123, 1);
-lean_inc(x_125);
-lean_dec(x_123);
-x_126 = lean_unbox(x_124);
-lean_dec(x_124);
-x_16 = x_126;
-x_17 = x_125;
-goto block_113;
-}
-block_113:
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_get(x_8, x_14);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_take(x_6, x_20);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get_uint8(x_18, sizeof(void*)*8);
-if (x_23 == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_24 = lean_ctor_get(x_22, 0);
+x_20 = lean_st_ref_get(x_8, x_14);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = lean_st_ref_take(x_6, x_21);
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_21, 1);
-lean_inc(x_25);
-lean_dec(x_21);
-x_26 = lean_ctor_get(x_18, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_18, 1);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_18, 2);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_18, 3);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_18, 4);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_18, 5);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_18, 6);
+lean_dec(x_22);
+x_25 = !lean_is_exclusive(x_23);
+if (x_25 == 0)
+{
+lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_26 = lean_ctor_get(x_23, 0);
+lean_dec(x_26);
+lean_ctor_set(x_23, 0, x_15);
+x_27 = lean_st_ref_set(x_6, x_23, x_24);
+x_28 = !lean_is_exclusive(x_27);
+if (x_28 == 0)
+{
+lean_object* x_29; uint8_t x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_27, 0);
+lean_dec(x_29);
+x_30 = 0;
+x_31 = lean_box(x_30);
+lean_ctor_set(x_27, 0, x_31);
+return x_27;
+}
+else
+{
+lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+x_32 = lean_ctor_get(x_27, 1);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_18, 7);
-lean_inc(x_33);
-lean_dec(x_18);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
+lean_dec(x_27);
+x_33 = 0;
+x_34 = lean_box(x_33);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_32);
+return x_35;
+}
+}
+else
 {
-lean_object* x_35; uint8_t x_36; 
-x_35 = lean_ctor_get(x_22, 0);
-lean_dec(x_35);
-x_36 = !lean_is_exclusive(x_24);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
-x_37 = lean_ctor_get(x_24, 7);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_24, 6);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_24, 5);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_24, 4);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_24, 3);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_24, 2);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_24, 1);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_24, 0);
-lean_dec(x_44);
-lean_ctor_set(x_24, 7, x_33);
-lean_ctor_set(x_24, 6, x_32);
-lean_ctor_set(x_24, 5, x_31);
-lean_ctor_set(x_24, 4, x_30);
-lean_ctor_set(x_24, 3, x_29);
-lean_ctor_set(x_24, 2, x_28);
-lean_ctor_set(x_24, 1, x_27);
-lean_ctor_set(x_24, 0, x_26);
-x_45 = lean_st_ref_set(x_6, x_22, x_25);
-x_46 = !lean_is_exclusive(x_45);
-if (x_46 == 0)
-{
-lean_object* x_47; lean_object* x_48; 
-x_47 = lean_ctor_get(x_45, 0);
-lean_dec(x_47);
-x_48 = lean_box(x_16);
-lean_ctor_set(x_45, 0, x_48);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_45; 
+x_36 = lean_ctor_get(x_23, 1);
+x_37 = lean_ctor_get(x_23, 2);
+x_38 = lean_ctor_get(x_23, 3);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_dec(x_23);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_15);
+lean_ctor_set(x_39, 1, x_36);
+lean_ctor_set(x_39, 2, x_37);
+lean_ctor_set(x_39, 3, x_38);
+x_40 = lean_st_ref_set(x_6, x_39, x_24);
+x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_42 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_42 = lean_box(0);
+}
+x_43 = 0;
+x_44 = lean_box(x_43);
+if (lean_is_scalar(x_42)) {
+ x_45 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_45 = x_42;
+}
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_41);
 return x_45;
 }
+}
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_45, 1);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_15);
+x_46 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_1, x_17);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 0);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = lean_ctor_get(x_47, 1);
 lean_inc(x_49);
-lean_dec(x_45);
-x_50 = lean_box(x_16);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_49);
-return x_51;
-}
+lean_dec(x_47);
+x_50 = lean_st_ref_get(x_8, x_14);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = lean_st_ref_take(x_6, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = !lean_is_exclusive(x_53);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_56 = lean_ctor_get(x_53, 0);
+lean_dec(x_56);
+lean_ctor_set(x_53, 0, x_49);
+x_57 = lean_st_ref_set(x_6, x_53, x_54);
+x_58 = !lean_is_exclusive(x_57);
+if (x_58 == 0)
+{
+lean_object* x_59; 
+x_59 = lean_ctor_get(x_57, 0);
+lean_dec(x_59);
+lean_ctor_set(x_57, 0, x_48);
+return x_57;
 }
 else
 {
-uint8_t x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-lean_dec(x_24);
-x_53 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_53, 0, x_26);
-lean_ctor_set(x_53, 1, x_27);
-lean_ctor_set(x_53, 2, x_28);
-lean_ctor_set(x_53, 3, x_29);
-lean_ctor_set(x_53, 4, x_30);
-lean_ctor_set(x_53, 5, x_31);
-lean_ctor_set(x_53, 6, x_32);
-lean_ctor_set(x_53, 7, x_33);
-lean_ctor_set_uint8(x_53, sizeof(void*)*8, x_52);
-lean_ctor_set(x_22, 0, x_53);
-x_54 = lean_st_ref_set(x_6, x_22, x_25);
-x_55 = lean_ctor_get(x_54, 1);
-lean_inc(x_55);
-if (lean_is_exclusive(x_54)) {
- lean_ctor_release(x_54, 0);
- lean_ctor_release(x_54, 1);
- x_56 = x_54;
-} else {
- lean_dec_ref(x_54);
- x_56 = lean_box(0);
-}
-x_57 = lean_box(x_16);
-if (lean_is_scalar(x_56)) {
- x_58 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_58 = x_56;
-}
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_55);
-return x_58;
-}
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_59 = lean_ctor_get(x_22, 1);
-x_60 = lean_ctor_get(x_22, 2);
-x_61 = lean_ctor_get(x_22, 3);
-lean_inc(x_61);
+lean_object* x_60; lean_object* x_61; 
+x_60 = lean_ctor_get(x_57, 1);
 lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_22);
-x_62 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- lean_ctor_release(x_24, 2);
- lean_ctor_release(x_24, 3);
- lean_ctor_release(x_24, 4);
- lean_ctor_release(x_24, 5);
- lean_ctor_release(x_24, 6);
- lean_ctor_release(x_24, 7);
- x_63 = x_24;
-} else {
- lean_dec_ref(x_24);
- x_63 = lean_box(0);
+lean_dec(x_57);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_48);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
-if (lean_is_scalar(x_63)) {
- x_64 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_64 = x_63;
 }
-lean_ctor_set(x_64, 0, x_26);
-lean_ctor_set(x_64, 1, x_27);
-lean_ctor_set(x_64, 2, x_28);
-lean_ctor_set(x_64, 3, x_29);
-lean_ctor_set(x_64, 4, x_30);
-lean_ctor_set(x_64, 5, x_31);
-lean_ctor_set(x_64, 6, x_32);
-lean_ctor_set(x_64, 7, x_33);
-lean_ctor_set_uint8(x_64, sizeof(void*)*8, x_62);
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_62 = lean_ctor_get(x_53, 1);
+x_63 = lean_ctor_get(x_53, 2);
+x_64 = lean_ctor_get(x_53, 3);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_53);
 x_65 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_65, 0, x_64);
-lean_ctor_set(x_65, 1, x_59);
-lean_ctor_set(x_65, 2, x_60);
-lean_ctor_set(x_65, 3, x_61);
-x_66 = lean_st_ref_set(x_6, x_65, x_25);
+lean_ctor_set(x_65, 0, x_49);
+lean_ctor_set(x_65, 1, x_62);
+lean_ctor_set(x_65, 2, x_63);
+lean_ctor_set(x_65, 3, x_64);
+x_66 = lean_st_ref_set(x_6, x_65, x_54);
 x_67 = lean_ctor_get(x_66, 1);
 lean_inc(x_67);
 if (lean_is_exclusive(x_66)) {
@@ -1083,176 +1018,103 @@ if (lean_is_exclusive(x_66)) {
  lean_dec_ref(x_66);
  x_68 = lean_box(0);
 }
-x_69 = lean_box(x_16);
 if (lean_is_scalar(x_68)) {
- x_70 = lean_alloc_ctor(0, 2, 0);
+ x_69 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_70 = x_68;
+ x_69 = x_68;
+}
+lean_ctor_set(x_69, 0, x_48);
+lean_ctor_set(x_69, 1, x_67);
+return x_69;
 }
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_67);
-return x_70;
 }
 }
 else
 {
-lean_object* x_71; uint8_t x_72; 
-x_71 = lean_ctor_get(x_21, 1);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; uint8_t x_79; 
+lean_dec(x_15);
+x_70 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_2, x_3, x_1, x_17);
+x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
-lean_dec(x_21);
-x_72 = !lean_is_exclusive(x_18);
-if (x_72 == 0)
-{
-uint8_t x_73; 
-x_73 = !lean_is_exclusive(x_22);
-if (x_73 == 0)
-{
-lean_object* x_74; uint8_t x_75; lean_object* x_76; uint8_t x_77; 
-x_74 = lean_ctor_get(x_22, 0);
+x_72 = lean_ctor_get(x_70, 0);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_st_ref_get(x_8, x_14);
+x_75 = lean_ctor_get(x_74, 1);
+lean_inc(x_75);
 lean_dec(x_74);
-x_75 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_75);
-lean_ctor_set(x_22, 0, x_18);
-x_76 = lean_st_ref_set(x_6, x_22, x_71);
-x_77 = !lean_is_exclusive(x_76);
-if (x_77 == 0)
-{
-lean_object* x_78; lean_object* x_79; 
-x_78 = lean_ctor_get(x_76, 0);
-lean_dec(x_78);
-x_79 = lean_box(x_16);
-lean_ctor_set(x_76, 0, x_79);
-return x_76;
-}
-else
-{
-lean_object* x_80; lean_object* x_81; lean_object* x_82; 
-x_80 = lean_ctor_get(x_76, 1);
-lean_inc(x_80);
+x_76 = lean_st_ref_take(x_6, x_75);
+x_77 = lean_ctor_get(x_76, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
 lean_dec(x_76);
-x_81 = lean_box(x_16);
-x_82 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_80);
-return x_82;
-}
+x_79 = !lean_is_exclusive(x_77);
+if (x_79 == 0)
+{
+lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_80 = lean_ctor_get(x_77, 0);
+lean_dec(x_80);
+lean_ctor_set(x_77, 0, x_73);
+x_81 = lean_st_ref_set(x_6, x_77, x_78);
+x_82 = !lean_is_exclusive(x_81);
+if (x_82 == 0)
+{
+lean_object* x_83; 
+x_83 = lean_ctor_get(x_81, 0);
+lean_dec(x_83);
+lean_ctor_set(x_81, 0, x_72);
+return x_81;
 }
 else
 {
-lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_83 = lean_ctor_get(x_22, 1);
-x_84 = lean_ctor_get(x_22, 2);
-x_85 = lean_ctor_get(x_22, 3);
-lean_inc(x_85);
+lean_object* x_84; lean_object* x_85; 
+x_84 = lean_ctor_get(x_81, 1);
 lean_inc(x_84);
-lean_inc(x_83);
-lean_dec(x_22);
-x_86 = 1;
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_86);
-x_87 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_87, 0, x_18);
-lean_ctor_set(x_87, 1, x_83);
-lean_ctor_set(x_87, 2, x_84);
-lean_ctor_set(x_87, 3, x_85);
-x_88 = lean_st_ref_set(x_6, x_87, x_71);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
-} else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
-}
-x_91 = lean_box(x_16);
-if (lean_is_scalar(x_90)) {
- x_92 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_92 = x_90;
-}
-lean_ctor_set(x_92, 0, x_91);
-lean_ctor_set(x_92, 1, x_89);
-return x_92;
+lean_dec(x_81);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_72);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
 }
 }
 else
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-x_93 = lean_ctor_get(x_18, 0);
-x_94 = lean_ctor_get(x_18, 1);
-x_95 = lean_ctor_get(x_18, 2);
-x_96 = lean_ctor_get(x_18, 3);
-x_97 = lean_ctor_get(x_18, 4);
-x_98 = lean_ctor_get(x_18, 5);
-x_99 = lean_ctor_get(x_18, 6);
-x_100 = lean_ctor_get(x_18, 7);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_18);
-x_101 = lean_ctor_get(x_22, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_22, 2);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_22, 3);
-lean_inc(x_103);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- x_104 = x_22;
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_86 = lean_ctor_get(x_77, 1);
+x_87 = lean_ctor_get(x_77, 2);
+x_88 = lean_ctor_get(x_77, 3);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_77);
+x_89 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_89, 0, x_73);
+lean_ctor_set(x_89, 1, x_86);
+lean_ctor_set(x_89, 2, x_87);
+lean_ctor_set(x_89, 3, x_88);
+x_90 = lean_st_ref_set(x_6, x_89, x_78);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_92 = x_90;
 } else {
- lean_dec_ref(x_22);
- x_104 = lean_box(0);
+ lean_dec_ref(x_90);
+ x_92 = lean_box(0);
 }
-x_105 = 1;
-x_106 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_106, 0, x_93);
-lean_ctor_set(x_106, 1, x_94);
-lean_ctor_set(x_106, 2, x_95);
-lean_ctor_set(x_106, 3, x_96);
-lean_ctor_set(x_106, 4, x_97);
-lean_ctor_set(x_106, 5, x_98);
-lean_ctor_set(x_106, 6, x_99);
-lean_ctor_set(x_106, 7, x_100);
-lean_ctor_set_uint8(x_106, sizeof(void*)*8, x_105);
-if (lean_is_scalar(x_104)) {
- x_107 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_92)) {
+ x_93 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_107 = x_104;
-}
-lean_ctor_set(x_107, 0, x_106);
-lean_ctor_set(x_107, 1, x_101);
-lean_ctor_set(x_107, 2, x_102);
-lean_ctor_set(x_107, 3, x_103);
-x_108 = lean_st_ref_set(x_6, x_107, x_71);
-x_109 = lean_ctor_get(x_108, 1);
-lean_inc(x_109);
-if (lean_is_exclusive(x_108)) {
- lean_ctor_release(x_108, 0);
- lean_ctor_release(x_108, 1);
- x_110 = x_108;
-} else {
- lean_dec_ref(x_108);
- x_110 = lean_box(0);
-}
-x_111 = lean_box(x_16);
-if (lean_is_scalar(x_110)) {
- x_112 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_112 = x_110;
-}
-lean_ctor_set(x_112, 0, x_111);
-lean_ctor_set(x_112, 1, x_109);
-return x_112;
+ x_93 = x_92;
 }
+lean_ctor_set(x_93, 0, x_72);
+lean_ctor_set(x_93, 1, x_91);
+return x_93;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Clear.c b/stage0/stdlib/Lean/Meta/Tactic/Clear.c
index f6152402b5..217e805a2f 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Clear.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Clear.c
@@ -89,6 +89,7 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MVarId_clear___spec__9
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MVarId_clear___spec__33___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MVarId_clear___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MVarId_clear___spec__29(lean_object*, lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_MVarId_clear___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MVarId_clear___spec__58___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -202,7 +203,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MVarId_clear___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__18(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MVarId_clear___spec__32(lean_object*, lean_object*, size_t, size_t);
@@ -664,7 +664,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -1392,7 +1392,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -2120,7 +2120,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -2848,7 +2848,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -3576,7 +3576,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -4304,7 +4304,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -4606,7 +4606,7 @@ _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_113; lean_object* x_114; uint8_t x_115; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
 x_8 = lean_ctor_get(x_1, 3);
 lean_inc(x_8);
 lean_dec(x_1);
@@ -4623,235 +4623,170 @@ lean_dec(x_11);
 x_14 = lean_ctor_get(x_12, 0);
 lean_inc(x_14);
 lean_dec(x_12);
-x_113 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
-x_114 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_114, 0, x_113);
-lean_ctor_set(x_114, 1, x_14);
-x_115 = l_Lean_Expr_hasFVar(x_8);
-if (x_115 == 0)
+x_15 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
+lean_inc(x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_14);
+x_17 = l_Lean_Expr_hasFVar(x_8);
+if (x_17 == 0)
 {
-uint8_t x_116; 
-x_116 = l_Lean_Expr_hasMVar(x_8);
-if (x_116 == 0)
+uint8_t x_18; 
+x_18 = l_Lean_Expr_hasMVar(x_8);
+if (x_18 == 0)
 {
-uint8_t x_117; 
-lean_dec(x_8);
-x_117 = 0;
-x_15 = x_117;
-x_16 = x_114;
-goto block_112;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
-x_118 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__2(x_2, x_8, x_114);
-x_119 = lean_ctor_get(x_118, 0);
-lean_inc(x_119);
-x_120 = lean_ctor_get(x_118, 1);
-lean_inc(x_120);
-lean_dec(x_118);
-x_121 = lean_unbox(x_119);
-lean_dec(x_119);
-x_15 = x_121;
-x_16 = x_120;
-goto block_112;
-}
-}
-else
-{
-lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
-x_122 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__10(x_2, x_8, x_114);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_122, 1);
-lean_inc(x_124);
-lean_dec(x_122);
-x_125 = lean_unbox(x_123);
-lean_dec(x_123);
-x_15 = x_125;
-x_16 = x_124;
-goto block_112;
-}
-block_112:
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_17 = lean_ctor_get(x_16, 1);
-lean_inc(x_17);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
 lean_dec(x_16);
-x_18 = lean_st_ref_get(x_6, x_13);
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = lean_st_ref_take(x_4, x_19);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get_uint8(x_17, sizeof(void*)*8);
-if (x_22 == 0)
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_23 = lean_ctor_get(x_21, 0);
+lean_dec(x_8);
+x_19 = lean_st_ref_get(x_6, x_13);
+x_20 = lean_ctor_get(x_19, 1);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = lean_st_ref_take(x_4, x_20);
+x_22 = lean_ctor_get(x_21, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_21, 1);
 lean_inc(x_23);
-x_24 = lean_ctor_get(x_20, 1);
-lean_inc(x_24);
-lean_dec(x_20);
-x_25 = lean_ctor_get(x_17, 0);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_17, 1);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_17, 2);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_17, 3);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_17, 4);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_17, 5);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_17, 6);
+lean_dec(x_21);
+x_24 = !lean_is_exclusive(x_22);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_25 = lean_ctor_get(x_22, 0);
+lean_dec(x_25);
+lean_ctor_set(x_22, 0, x_14);
+x_26 = lean_st_ref_set(x_4, x_22, x_23);
+x_27 = !lean_is_exclusive(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; uint8_t x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_26, 0);
+lean_dec(x_28);
+x_29 = 0;
+x_30 = lean_box(x_29);
+lean_ctor_set(x_26, 0, x_30);
+return x_26;
+}
+else
+{
+lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; 
+x_31 = lean_ctor_get(x_26, 1);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_17, 7);
-lean_inc(x_32);
-lean_dec(x_17);
-x_33 = !lean_is_exclusive(x_21);
-if (x_33 == 0)
+lean_dec(x_26);
+x_32 = 0;
+x_33 = lean_box(x_32);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_31);
+return x_34;
+}
+}
+else
 {
-lean_object* x_34; uint8_t x_35; 
-x_34 = lean_ctor_get(x_21, 0);
-lean_dec(x_34);
-x_35 = !lean_is_exclusive(x_23);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
-x_36 = lean_ctor_get(x_23, 7);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_23, 6);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_23, 5);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_23, 4);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_23, 3);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_23, 2);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_23, 1);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_23, 0);
-lean_dec(x_43);
-lean_ctor_set(x_23, 7, x_32);
-lean_ctor_set(x_23, 6, x_31);
-lean_ctor_set(x_23, 5, x_30);
-lean_ctor_set(x_23, 4, x_29);
-lean_ctor_set(x_23, 3, x_28);
-lean_ctor_set(x_23, 2, x_27);
-lean_ctor_set(x_23, 1, x_26);
-lean_ctor_set(x_23, 0, x_25);
-x_44 = lean_st_ref_set(x_4, x_21, x_24);
-x_45 = !lean_is_exclusive(x_44);
-if (x_45 == 0)
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_44, 0);
-lean_dec(x_46);
-x_47 = lean_box(x_15);
-lean_ctor_set(x_44, 0, x_47);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; 
+x_35 = lean_ctor_get(x_22, 1);
+x_36 = lean_ctor_get(x_22, 2);
+x_37 = lean_ctor_get(x_22, 3);
+lean_inc(x_37);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_dec(x_22);
+x_38 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_38, 0, x_14);
+lean_ctor_set(x_38, 1, x_35);
+lean_ctor_set(x_38, 2, x_36);
+lean_ctor_set(x_38, 3, x_37);
+x_39 = lean_st_ref_set(x_4, x_38, x_23);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+if (lean_is_exclusive(x_39)) {
+ lean_ctor_release(x_39, 0);
+ lean_ctor_release(x_39, 1);
+ x_41 = x_39;
+} else {
+ lean_dec_ref(x_39);
+ x_41 = lean_box(0);
+}
+x_42 = 0;
+x_43 = lean_box(x_42);
+if (lean_is_scalar(x_41)) {
+ x_44 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_44 = x_41;
+}
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_40);
 return x_44;
 }
+}
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_44, 1);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+lean_dec(x_14);
+x_45 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__2(x_2, x_8, x_16);
+x_46 = lean_ctor_get(x_45, 1);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_45, 0);
+lean_inc(x_47);
+lean_dec(x_45);
+x_48 = lean_ctor_get(x_46, 1);
 lean_inc(x_48);
-lean_dec(x_44);
-x_49 = lean_box(x_15);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
-}
+lean_dec(x_46);
+x_49 = lean_st_ref_get(x_6, x_13);
+x_50 = lean_ctor_get(x_49, 1);
+lean_inc(x_50);
+lean_dec(x_49);
+x_51 = lean_st_ref_take(x_4, x_50);
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 1);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = !lean_is_exclusive(x_52);
+if (x_54 == 0)
+{
+lean_object* x_55; lean_object* x_56; uint8_t x_57; 
+x_55 = lean_ctor_get(x_52, 0);
+lean_dec(x_55);
+lean_ctor_set(x_52, 0, x_48);
+x_56 = lean_st_ref_set(x_4, x_52, x_53);
+x_57 = !lean_is_exclusive(x_56);
+if (x_57 == 0)
+{
+lean_object* x_58; 
+x_58 = lean_ctor_get(x_56, 0);
+lean_dec(x_58);
+lean_ctor_set(x_56, 0, x_47);
+return x_56;
 }
 else
 {
-uint8_t x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_51 = lean_ctor_get_uint8(x_23, sizeof(void*)*8);
-lean_dec(x_23);
-x_52 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_52, 0, x_25);
-lean_ctor_set(x_52, 1, x_26);
-lean_ctor_set(x_52, 2, x_27);
-lean_ctor_set(x_52, 3, x_28);
-lean_ctor_set(x_52, 4, x_29);
-lean_ctor_set(x_52, 5, x_30);
-lean_ctor_set(x_52, 6, x_31);
-lean_ctor_set(x_52, 7, x_32);
-lean_ctor_set_uint8(x_52, sizeof(void*)*8, x_51);
-lean_ctor_set(x_21, 0, x_52);
-x_53 = lean_st_ref_set(x_4, x_21, x_24);
-x_54 = lean_ctor_get(x_53, 1);
-lean_inc(x_54);
-if (lean_is_exclusive(x_53)) {
- lean_ctor_release(x_53, 0);
- lean_ctor_release(x_53, 1);
- x_55 = x_53;
-} else {
- lean_dec_ref(x_53);
- x_55 = lean_box(0);
-}
-x_56 = lean_box(x_15);
-if (lean_is_scalar(x_55)) {
- x_57 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_57 = x_55;
-}
-lean_ctor_set(x_57, 0, x_56);
-lean_ctor_set(x_57, 1, x_54);
-return x_57;
-}
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_58 = lean_ctor_get(x_21, 1);
-x_59 = lean_ctor_get(x_21, 2);
-x_60 = lean_ctor_get(x_21, 3);
-lean_inc(x_60);
+lean_object* x_59; lean_object* x_60; 
+x_59 = lean_ctor_get(x_56, 1);
 lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_21);
-x_61 = lean_ctor_get_uint8(x_23, sizeof(void*)*8);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- lean_ctor_release(x_23, 2);
- lean_ctor_release(x_23, 3);
- lean_ctor_release(x_23, 4);
- lean_ctor_release(x_23, 5);
- lean_ctor_release(x_23, 6);
- lean_ctor_release(x_23, 7);
- x_62 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_62 = lean_box(0);
+lean_dec(x_56);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_47);
+lean_ctor_set(x_60, 1, x_59);
+return x_60;
 }
-if (lean_is_scalar(x_62)) {
- x_63 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_63 = x_62;
 }
-lean_ctor_set(x_63, 0, x_25);
-lean_ctor_set(x_63, 1, x_26);
-lean_ctor_set(x_63, 2, x_27);
-lean_ctor_set(x_63, 3, x_28);
-lean_ctor_set(x_63, 4, x_29);
-lean_ctor_set(x_63, 5, x_30);
-lean_ctor_set(x_63, 6, x_31);
-lean_ctor_set(x_63, 7, x_32);
-lean_ctor_set_uint8(x_63, sizeof(void*)*8, x_61);
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_61 = lean_ctor_get(x_52, 1);
+x_62 = lean_ctor_get(x_52, 2);
+x_63 = lean_ctor_get(x_52, 3);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_52);
 x_64 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_58);
-lean_ctor_set(x_64, 2, x_59);
-lean_ctor_set(x_64, 3, x_60);
-x_65 = lean_st_ref_set(x_4, x_64, x_24);
+lean_ctor_set(x_64, 0, x_48);
+lean_ctor_set(x_64, 1, x_61);
+lean_ctor_set(x_64, 2, x_62);
+lean_ctor_set(x_64, 3, x_63);
+x_65 = lean_st_ref_set(x_4, x_64, x_53);
 x_66 = lean_ctor_get(x_65, 1);
 lean_inc(x_66);
 if (lean_is_exclusive(x_65)) {
@@ -4862,668 +4797,317 @@ if (lean_is_exclusive(x_65)) {
  lean_dec_ref(x_65);
  x_67 = lean_box(0);
 }
-x_68 = lean_box(x_15);
 if (lean_is_scalar(x_67)) {
- x_69 = lean_alloc_ctor(0, 2, 0);
+ x_68 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_69 = x_67;
+ x_68 = x_67;
+}
+lean_ctor_set(x_68, 0, x_47);
+lean_ctor_set(x_68, 1, x_66);
+return x_68;
 }
-lean_ctor_set(x_69, 0, x_68);
-lean_ctor_set(x_69, 1, x_66);
-return x_69;
 }
 }
 else
 {
-lean_object* x_70; uint8_t x_71; 
-x_70 = lean_ctor_get(x_20, 1);
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
+lean_dec(x_14);
+x_69 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__10(x_2, x_8, x_16);
+x_70 = lean_ctor_get(x_69, 1);
 lean_inc(x_70);
-lean_dec(x_20);
-x_71 = !lean_is_exclusive(x_17);
-if (x_71 == 0)
-{
-uint8_t x_72; 
-x_72 = !lean_is_exclusive(x_21);
-if (x_72 == 0)
-{
-lean_object* x_73; uint8_t x_74; lean_object* x_75; uint8_t x_76; 
-x_73 = lean_ctor_get(x_21, 0);
+x_71 = lean_ctor_get(x_69, 0);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = lean_ctor_get(x_70, 1);
+lean_inc(x_72);
+lean_dec(x_70);
+x_73 = lean_st_ref_get(x_6, x_13);
+x_74 = lean_ctor_get(x_73, 1);
+lean_inc(x_74);
 lean_dec(x_73);
-x_74 = 1;
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_74);
-lean_ctor_set(x_21, 0, x_17);
-x_75 = lean_st_ref_set(x_4, x_21, x_70);
-x_76 = !lean_is_exclusive(x_75);
-if (x_76 == 0)
-{
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_75, 0);
-lean_dec(x_77);
-x_78 = lean_box(x_15);
-lean_ctor_set(x_75, 0, x_78);
-return x_75;
-}
-else
-{
-lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_79 = lean_ctor_get(x_75, 1);
-lean_inc(x_79);
+x_75 = lean_st_ref_take(x_4, x_74);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
 lean_dec(x_75);
-x_80 = lean_box(x_15);
-x_81 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_81, 0, x_80);
-lean_ctor_set(x_81, 1, x_79);
-return x_81;
-}
+x_78 = !lean_is_exclusive(x_76);
+if (x_78 == 0)
+{
+lean_object* x_79; lean_object* x_80; uint8_t x_81; 
+x_79 = lean_ctor_get(x_76, 0);
+lean_dec(x_79);
+lean_ctor_set(x_76, 0, x_72);
+x_80 = lean_st_ref_set(x_4, x_76, x_77);
+x_81 = !lean_is_exclusive(x_80);
+if (x_81 == 0)
+{
+lean_object* x_82; 
+x_82 = lean_ctor_get(x_80, 0);
+lean_dec(x_82);
+lean_ctor_set(x_80, 0, x_71);
+return x_80;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_82 = lean_ctor_get(x_21, 1);
-x_83 = lean_ctor_get(x_21, 2);
-x_84 = lean_ctor_get(x_21, 3);
-lean_inc(x_84);
+lean_object* x_83; lean_object* x_84; 
+x_83 = lean_ctor_get(x_80, 1);
 lean_inc(x_83);
-lean_inc(x_82);
-lean_dec(x_21);
-x_85 = 1;
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_85);
-x_86 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_86, 0, x_17);
-lean_ctor_set(x_86, 1, x_82);
-lean_ctor_set(x_86, 2, x_83);
-lean_ctor_set(x_86, 3, x_84);
-x_87 = lean_st_ref_set(x_4, x_86, x_70);
-x_88 = lean_ctor_get(x_87, 1);
-lean_inc(x_88);
-if (lean_is_exclusive(x_87)) {
- lean_ctor_release(x_87, 0);
- lean_ctor_release(x_87, 1);
- x_89 = x_87;
-} else {
- lean_dec_ref(x_87);
- x_89 = lean_box(0);
-}
-x_90 = lean_box(x_15);
-if (lean_is_scalar(x_89)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_89;
-}
-lean_ctor_set(x_91, 0, x_90);
-lean_ctor_set(x_91, 1, x_88);
-return x_91;
+lean_dec(x_80);
+x_84 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_84, 0, x_71);
+lean_ctor_set(x_84, 1, x_83);
+return x_84;
 }
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
-x_92 = lean_ctor_get(x_17, 0);
-x_93 = lean_ctor_get(x_17, 1);
-x_94 = lean_ctor_get(x_17, 2);
-x_95 = lean_ctor_get(x_17, 3);
-x_96 = lean_ctor_get(x_17, 4);
-x_97 = lean_ctor_get(x_17, 5);
-x_98 = lean_ctor_get(x_17, 6);
-x_99 = lean_ctor_get(x_17, 7);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
+lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
+x_85 = lean_ctor_get(x_76, 1);
+x_86 = lean_ctor_get(x_76, 2);
+x_87 = lean_ctor_get(x_76, 3);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_dec(x_76);
+x_88 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_88, 0, x_72);
+lean_ctor_set(x_88, 1, x_85);
+lean_ctor_set(x_88, 2, x_86);
+lean_ctor_set(x_88, 3, x_87);
+x_89 = lean_st_ref_set(x_4, x_88, x_77);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_91 = x_89;
+} else {
+ lean_dec_ref(x_89);
+ x_91 = lean_box(0);
+}
+if (lean_is_scalar(x_91)) {
+ x_92 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_92 = x_91;
+}
+lean_ctor_set(x_92, 0, x_71);
+lean_ctor_set(x_92, 1, x_90);
+return x_92;
+}
+}
+}
+else
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; lean_object* x_102; uint8_t x_128; lean_object* x_129; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
+x_93 = lean_ctor_get(x_1, 3);
 lean_inc(x_93);
-lean_inc(x_92);
-lean_dec(x_17);
-x_100 = lean_ctor_get(x_21, 1);
+x_94 = lean_ctor_get(x_1, 4);
+lean_inc(x_94);
+lean_dec(x_1);
+x_95 = lean_st_ref_get(x_6, x_7);
+x_96 = lean_ctor_get(x_95, 1);
+lean_inc(x_96);
+lean_dec(x_95);
+x_97 = lean_st_ref_get(x_4, x_96);
+x_98 = lean_ctor_get(x_97, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_97, 1);
+lean_inc(x_99);
+lean_dec(x_97);
+x_100 = lean_ctor_get(x_98, 0);
 lean_inc(x_100);
-x_101 = lean_ctor_get(x_21, 2);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_21, 3);
-lean_inc(x_102);
-if (lean_is_exclusive(x_21)) {
- lean_ctor_release(x_21, 0);
- lean_ctor_release(x_21, 1);
- lean_ctor_release(x_21, 2);
- lean_ctor_release(x_21, 3);
- x_103 = x_21;
-} else {
- lean_dec_ref(x_21);
- x_103 = lean_box(0);
+lean_dec(x_98);
+x_142 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
+x_143 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_100);
+x_144 = l_Lean_Expr_hasFVar(x_93);
+if (x_144 == 0)
+{
+uint8_t x_145; 
+x_145 = l_Lean_Expr_hasMVar(x_93);
+if (x_145 == 0)
+{
+uint8_t x_146; 
+lean_dec(x_93);
+x_146 = 0;
+x_128 = x_146;
+x_129 = x_143;
+goto block_141;
 }
-x_104 = 1;
-x_105 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_105, 0, x_92);
-lean_ctor_set(x_105, 1, x_93);
-lean_ctor_set(x_105, 2, x_94);
-lean_ctor_set(x_105, 3, x_95);
-lean_ctor_set(x_105, 4, x_96);
-lean_ctor_set(x_105, 5, x_97);
-lean_ctor_set(x_105, 6, x_98);
-lean_ctor_set(x_105, 7, x_99);
-lean_ctor_set_uint8(x_105, sizeof(void*)*8, x_104);
-if (lean_is_scalar(x_103)) {
- x_106 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_106 = x_103;
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; uint8_t x_150; 
+x_147 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__34(x_2, x_93, x_143);
+x_148 = lean_ctor_get(x_147, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_147, 1);
+lean_inc(x_149);
+lean_dec(x_147);
+x_150 = lean_unbox(x_148);
+lean_dec(x_148);
+x_128 = x_150;
+x_129 = x_149;
+goto block_141;
 }
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_100);
-lean_ctor_set(x_106, 2, x_101);
-lean_ctor_set(x_106, 3, x_102);
-x_107 = lean_st_ref_set(x_4, x_106, x_70);
-x_108 = lean_ctor_get(x_107, 1);
+}
+else
+{
+lean_object* x_151; lean_object* x_152; lean_object* x_153; uint8_t x_154; 
+x_151 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__42(x_2, x_93, x_143);
+x_152 = lean_ctor_get(x_151, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_151, 1);
+lean_inc(x_153);
+lean_dec(x_151);
+x_154 = lean_unbox(x_152);
+lean_dec(x_152);
+x_128 = x_154;
+x_129 = x_153;
+goto block_141;
+}
+block_127:
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+lean_dec(x_102);
+x_104 = lean_st_ref_get(x_6, x_99);
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+lean_dec(x_104);
+x_106 = lean_st_ref_take(x_4, x_105);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
 lean_inc(x_108);
-if (lean_is_exclusive(x_107)) {
- lean_ctor_release(x_107, 0);
- lean_ctor_release(x_107, 1);
- x_109 = x_107;
-} else {
- lean_dec_ref(x_107);
- x_109 = lean_box(0);
-}
-x_110 = lean_box(x_15);
-if (lean_is_scalar(x_109)) {
- x_111 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_111 = x_109;
-}
-lean_ctor_set(x_111, 0, x_110);
-lean_ctor_set(x_111, 1, x_108);
+lean_dec(x_106);
+x_109 = !lean_is_exclusive(x_107);
+if (x_109 == 0)
+{
+lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_110 = lean_ctor_get(x_107, 0);
+lean_dec(x_110);
+lean_ctor_set(x_107, 0, x_103);
+x_111 = lean_st_ref_set(x_4, x_107, x_108);
+x_112 = !lean_is_exclusive(x_111);
+if (x_112 == 0)
+{
+lean_object* x_113; lean_object* x_114; 
+x_113 = lean_ctor_get(x_111, 0);
+lean_dec(x_113);
+x_114 = lean_box(x_101);
+lean_ctor_set(x_111, 0, x_114);
 return x_111;
 }
-}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_115 = lean_ctor_get(x_111, 1);
+lean_inc(x_115);
+lean_dec(x_111);
+x_116 = lean_box(x_101);
+x_117 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_117, 0, x_116);
+lean_ctor_set(x_117, 1, x_115);
+return x_117;
 }
 }
 else
 {
-lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; uint8_t x_134; lean_object* x_135; uint8_t x_232; lean_object* x_233; lean_object* x_246; lean_object* x_247; uint8_t x_248; 
-x_126 = lean_ctor_get(x_1, 3);
-lean_inc(x_126);
-x_127 = lean_ctor_get(x_1, 4);
-lean_inc(x_127);
-lean_dec(x_1);
-x_128 = lean_st_ref_get(x_6, x_7);
-x_129 = lean_ctor_get(x_128, 1);
-lean_inc(x_129);
-lean_dec(x_128);
-x_130 = lean_st_ref_get(x_4, x_129);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_ctor_get(x_131, 0);
-lean_inc(x_133);
-lean_dec(x_131);
-x_246 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
-x_247 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_247, 0, x_246);
-lean_ctor_set(x_247, 1, x_133);
-x_248 = l_Lean_Expr_hasFVar(x_126);
-if (x_248 == 0)
+lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_118 = lean_ctor_get(x_107, 1);
+x_119 = lean_ctor_get(x_107, 2);
+x_120 = lean_ctor_get(x_107, 3);
+lean_inc(x_120);
+lean_inc(x_119);
+lean_inc(x_118);
+lean_dec(x_107);
+x_121 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_121, 0, x_103);
+lean_ctor_set(x_121, 1, x_118);
+lean_ctor_set(x_121, 2, x_119);
+lean_ctor_set(x_121, 3, x_120);
+x_122 = lean_st_ref_set(x_4, x_121, x_108);
+x_123 = lean_ctor_get(x_122, 1);
+lean_inc(x_123);
+if (lean_is_exclusive(x_122)) {
+ lean_ctor_release(x_122, 0);
+ lean_ctor_release(x_122, 1);
+ x_124 = x_122;
+} else {
+ lean_dec_ref(x_122);
+ x_124 = lean_box(0);
+}
+x_125 = lean_box(x_101);
+if (lean_is_scalar(x_124)) {
+ x_126 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_126 = x_124;
+}
+lean_ctor_set(x_126, 0, x_125);
+lean_ctor_set(x_126, 1, x_123);
+return x_126;
+}
+}
+block_141:
 {
-uint8_t x_249; 
-x_249 = l_Lean_Expr_hasMVar(x_126);
-if (x_249 == 0)
+if (x_128 == 0)
 {
-uint8_t x_250; 
-lean_dec(x_126);
-x_250 = 0;
-x_232 = x_250;
-x_233 = x_247;
-goto block_245;
+uint8_t x_130; 
+x_130 = l_Lean_Expr_hasFVar(x_94);
+if (x_130 == 0)
+{
+uint8_t x_131; 
+x_131 = l_Lean_Expr_hasMVar(x_94);
+if (x_131 == 0)
+{
+uint8_t x_132; 
+lean_dec(x_94);
+x_132 = 0;
+x_101 = x_132;
+x_102 = x_129;
+goto block_127;
 }
 else
 {
-lean_object* x_251; lean_object* x_252; lean_object* x_253; uint8_t x_254; 
-x_251 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__34(x_2, x_126, x_247);
-x_252 = lean_ctor_get(x_251, 0);
-lean_inc(x_252);
-x_253 = lean_ctor_get(x_251, 1);
-lean_inc(x_253);
-lean_dec(x_251);
-x_254 = lean_unbox(x_252);
-lean_dec(x_252);
-x_232 = x_254;
-x_233 = x_253;
-goto block_245;
+lean_object* x_133; lean_object* x_134; lean_object* x_135; uint8_t x_136; 
+x_133 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__18(x_2, x_94, x_129);
+x_134 = lean_ctor_get(x_133, 0);
+lean_inc(x_134);
+x_135 = lean_ctor_get(x_133, 1);
+lean_inc(x_135);
+lean_dec(x_133);
+x_136 = lean_unbox(x_134);
+lean_dec(x_134);
+x_101 = x_136;
+x_102 = x_135;
+goto block_127;
 }
 }
 else
 {
-lean_object* x_255; lean_object* x_256; lean_object* x_257; uint8_t x_258; 
-x_255 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__42(x_2, x_126, x_247);
-x_256 = lean_ctor_get(x_255, 0);
-lean_inc(x_256);
-x_257 = lean_ctor_get(x_255, 1);
-lean_inc(x_257);
-lean_dec(x_255);
-x_258 = lean_unbox(x_256);
-lean_dec(x_256);
-x_232 = x_258;
-x_233 = x_257;
-goto block_245;
-}
-block_231:
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
-x_136 = lean_ctor_get(x_135, 1);
-lean_inc(x_136);
-lean_dec(x_135);
-x_137 = lean_st_ref_get(x_6, x_132);
-x_138 = lean_ctor_get(x_137, 1);
+lean_object* x_137; lean_object* x_138; lean_object* x_139; uint8_t x_140; 
+x_137 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__26(x_2, x_94, x_129);
+x_138 = lean_ctor_get(x_137, 0);
 lean_inc(x_138);
+x_139 = lean_ctor_get(x_137, 1);
+lean_inc(x_139);
 lean_dec(x_137);
-x_139 = lean_st_ref_take(x_4, x_138);
-x_140 = lean_ctor_get(x_139, 0);
-lean_inc(x_140);
-x_141 = lean_ctor_get_uint8(x_136, sizeof(void*)*8);
-if (x_141 == 0)
-{
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; 
-x_142 = lean_ctor_get(x_140, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_139, 1);
-lean_inc(x_143);
-lean_dec(x_139);
-x_144 = lean_ctor_get(x_136, 0);
-lean_inc(x_144);
-x_145 = lean_ctor_get(x_136, 1);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_136, 2);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_136, 3);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_136, 4);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_136, 5);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_136, 6);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_136, 7);
-lean_inc(x_151);
-lean_dec(x_136);
-x_152 = !lean_is_exclusive(x_140);
-if (x_152 == 0)
-{
-lean_object* x_153; uint8_t x_154; 
-x_153 = lean_ctor_get(x_140, 0);
-lean_dec(x_153);
-x_154 = !lean_is_exclusive(x_142);
-if (x_154 == 0)
-{
-lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; uint8_t x_164; 
-x_155 = lean_ctor_get(x_142, 7);
-lean_dec(x_155);
-x_156 = lean_ctor_get(x_142, 6);
-lean_dec(x_156);
-x_157 = lean_ctor_get(x_142, 5);
-lean_dec(x_157);
-x_158 = lean_ctor_get(x_142, 4);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_142, 3);
-lean_dec(x_159);
-x_160 = lean_ctor_get(x_142, 2);
-lean_dec(x_160);
-x_161 = lean_ctor_get(x_142, 1);
-lean_dec(x_161);
-x_162 = lean_ctor_get(x_142, 0);
-lean_dec(x_162);
-lean_ctor_set(x_142, 7, x_151);
-lean_ctor_set(x_142, 6, x_150);
-lean_ctor_set(x_142, 5, x_149);
-lean_ctor_set(x_142, 4, x_148);
-lean_ctor_set(x_142, 3, x_147);
-lean_ctor_set(x_142, 2, x_146);
-lean_ctor_set(x_142, 1, x_145);
-lean_ctor_set(x_142, 0, x_144);
-x_163 = lean_st_ref_set(x_4, x_140, x_143);
-x_164 = !lean_is_exclusive(x_163);
-if (x_164 == 0)
-{
-lean_object* x_165; lean_object* x_166; 
-x_165 = lean_ctor_get(x_163, 0);
-lean_dec(x_165);
-x_166 = lean_box(x_134);
-lean_ctor_set(x_163, 0, x_166);
-return x_163;
-}
-else
-{
-lean_object* x_167; lean_object* x_168; lean_object* x_169; 
-x_167 = lean_ctor_get(x_163, 1);
-lean_inc(x_167);
-lean_dec(x_163);
-x_168 = lean_box(x_134);
-x_169 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_169, 0, x_168);
-lean_ctor_set(x_169, 1, x_167);
-return x_169;
+x_140 = lean_unbox(x_138);
+lean_dec(x_138);
+x_101 = x_140;
+x_102 = x_139;
+goto block_127;
 }
 }
 else
 {
-uint8_t x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-x_170 = lean_ctor_get_uint8(x_142, sizeof(void*)*8);
-lean_dec(x_142);
-x_171 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_171, 0, x_144);
-lean_ctor_set(x_171, 1, x_145);
-lean_ctor_set(x_171, 2, x_146);
-lean_ctor_set(x_171, 3, x_147);
-lean_ctor_set(x_171, 4, x_148);
-lean_ctor_set(x_171, 5, x_149);
-lean_ctor_set(x_171, 6, x_150);
-lean_ctor_set(x_171, 7, x_151);
-lean_ctor_set_uint8(x_171, sizeof(void*)*8, x_170);
-lean_ctor_set(x_140, 0, x_171);
-x_172 = lean_st_ref_set(x_4, x_140, x_143);
-x_173 = lean_ctor_get(x_172, 1);
-lean_inc(x_173);
-if (lean_is_exclusive(x_172)) {
- lean_ctor_release(x_172, 0);
- lean_ctor_release(x_172, 1);
- x_174 = x_172;
-} else {
- lean_dec_ref(x_172);
- x_174 = lean_box(0);
-}
-x_175 = lean_box(x_134);
-if (lean_is_scalar(x_174)) {
- x_176 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_176 = x_174;
-}
-lean_ctor_set(x_176, 0, x_175);
-lean_ctor_set(x_176, 1, x_173);
-return x_176;
-}
-}
-else
-{
-lean_object* x_177; lean_object* x_178; lean_object* x_179; uint8_t x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; 
-x_177 = lean_ctor_get(x_140, 1);
-x_178 = lean_ctor_get(x_140, 2);
-x_179 = lean_ctor_get(x_140, 3);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_inc(x_177);
-lean_dec(x_140);
-x_180 = lean_ctor_get_uint8(x_142, sizeof(void*)*8);
-if (lean_is_exclusive(x_142)) {
- lean_ctor_release(x_142, 0);
- lean_ctor_release(x_142, 1);
- lean_ctor_release(x_142, 2);
- lean_ctor_release(x_142, 3);
- lean_ctor_release(x_142, 4);
- lean_ctor_release(x_142, 5);
- lean_ctor_release(x_142, 6);
- lean_ctor_release(x_142, 7);
- x_181 = x_142;
-} else {
- lean_dec_ref(x_142);
- x_181 = lean_box(0);
-}
-if (lean_is_scalar(x_181)) {
- x_182 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_182 = x_181;
-}
-lean_ctor_set(x_182, 0, x_144);
-lean_ctor_set(x_182, 1, x_145);
-lean_ctor_set(x_182, 2, x_146);
-lean_ctor_set(x_182, 3, x_147);
-lean_ctor_set(x_182, 4, x_148);
-lean_ctor_set(x_182, 5, x_149);
-lean_ctor_set(x_182, 6, x_150);
-lean_ctor_set(x_182, 7, x_151);
-lean_ctor_set_uint8(x_182, sizeof(void*)*8, x_180);
-x_183 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_183, 0, x_182);
-lean_ctor_set(x_183, 1, x_177);
-lean_ctor_set(x_183, 2, x_178);
-lean_ctor_set(x_183, 3, x_179);
-x_184 = lean_st_ref_set(x_4, x_183, x_143);
-x_185 = lean_ctor_get(x_184, 1);
-lean_inc(x_185);
-if (lean_is_exclusive(x_184)) {
- lean_ctor_release(x_184, 0);
- lean_ctor_release(x_184, 1);
- x_186 = x_184;
-} else {
- lean_dec_ref(x_184);
- x_186 = lean_box(0);
-}
-x_187 = lean_box(x_134);
-if (lean_is_scalar(x_186)) {
- x_188 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_188 = x_186;
-}
-lean_ctor_set(x_188, 0, x_187);
-lean_ctor_set(x_188, 1, x_185);
-return x_188;
-}
-}
-else
-{
-lean_object* x_189; uint8_t x_190; 
-x_189 = lean_ctor_get(x_139, 1);
-lean_inc(x_189);
-lean_dec(x_139);
-x_190 = !lean_is_exclusive(x_136);
-if (x_190 == 0)
-{
-uint8_t x_191; 
-x_191 = !lean_is_exclusive(x_140);
-if (x_191 == 0)
-{
-lean_object* x_192; uint8_t x_193; lean_object* x_194; uint8_t x_195; 
-x_192 = lean_ctor_get(x_140, 0);
-lean_dec(x_192);
-x_193 = 1;
-lean_ctor_set_uint8(x_136, sizeof(void*)*8, x_193);
-lean_ctor_set(x_140, 0, x_136);
-x_194 = lean_st_ref_set(x_4, x_140, x_189);
-x_195 = !lean_is_exclusive(x_194);
-if (x_195 == 0)
-{
-lean_object* x_196; lean_object* x_197; 
-x_196 = lean_ctor_get(x_194, 0);
-lean_dec(x_196);
-x_197 = lean_box(x_134);
-lean_ctor_set(x_194, 0, x_197);
-return x_194;
-}
-else
-{
-lean_object* x_198; lean_object* x_199; lean_object* x_200; 
-x_198 = lean_ctor_get(x_194, 1);
-lean_inc(x_198);
-lean_dec(x_194);
-x_199 = lean_box(x_134);
-x_200 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_200, 0, x_199);
-lean_ctor_set(x_200, 1, x_198);
-return x_200;
-}
-}
-else
-{
-lean_object* x_201; lean_object* x_202; lean_object* x_203; uint8_t x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; 
-x_201 = lean_ctor_get(x_140, 1);
-x_202 = lean_ctor_get(x_140, 2);
-x_203 = lean_ctor_get(x_140, 3);
-lean_inc(x_203);
-lean_inc(x_202);
-lean_inc(x_201);
-lean_dec(x_140);
-x_204 = 1;
-lean_ctor_set_uint8(x_136, sizeof(void*)*8, x_204);
-x_205 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_205, 0, x_136);
-lean_ctor_set(x_205, 1, x_201);
-lean_ctor_set(x_205, 2, x_202);
-lean_ctor_set(x_205, 3, x_203);
-x_206 = lean_st_ref_set(x_4, x_205, x_189);
-x_207 = lean_ctor_get(x_206, 1);
-lean_inc(x_207);
-if (lean_is_exclusive(x_206)) {
- lean_ctor_release(x_206, 0);
- lean_ctor_release(x_206, 1);
- x_208 = x_206;
-} else {
- lean_dec_ref(x_206);
- x_208 = lean_box(0);
-}
-x_209 = lean_box(x_134);
-if (lean_is_scalar(x_208)) {
- x_210 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_210 = x_208;
-}
-lean_ctor_set(x_210, 0, x_209);
-lean_ctor_set(x_210, 1, x_207);
-return x_210;
-}
-}
-else
-{
-lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; uint8_t x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-x_211 = lean_ctor_get(x_136, 0);
-x_212 = lean_ctor_get(x_136, 1);
-x_213 = lean_ctor_get(x_136, 2);
-x_214 = lean_ctor_get(x_136, 3);
-x_215 = lean_ctor_get(x_136, 4);
-x_216 = lean_ctor_get(x_136, 5);
-x_217 = lean_ctor_get(x_136, 6);
-x_218 = lean_ctor_get(x_136, 7);
-lean_inc(x_218);
-lean_inc(x_217);
-lean_inc(x_216);
-lean_inc(x_215);
-lean_inc(x_214);
-lean_inc(x_213);
-lean_inc(x_212);
-lean_inc(x_211);
-lean_dec(x_136);
-x_219 = lean_ctor_get(x_140, 1);
-lean_inc(x_219);
-x_220 = lean_ctor_get(x_140, 2);
-lean_inc(x_220);
-x_221 = lean_ctor_get(x_140, 3);
-lean_inc(x_221);
-if (lean_is_exclusive(x_140)) {
- lean_ctor_release(x_140, 0);
- lean_ctor_release(x_140, 1);
- lean_ctor_release(x_140, 2);
- lean_ctor_release(x_140, 3);
- x_222 = x_140;
-} else {
- lean_dec_ref(x_140);
- x_222 = lean_box(0);
-}
-x_223 = 1;
-x_224 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_224, 0, x_211);
-lean_ctor_set(x_224, 1, x_212);
-lean_ctor_set(x_224, 2, x_213);
-lean_ctor_set(x_224, 3, x_214);
-lean_ctor_set(x_224, 4, x_215);
-lean_ctor_set(x_224, 5, x_216);
-lean_ctor_set(x_224, 6, x_217);
-lean_ctor_set(x_224, 7, x_218);
-lean_ctor_set_uint8(x_224, sizeof(void*)*8, x_223);
-if (lean_is_scalar(x_222)) {
- x_225 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_225 = x_222;
-}
-lean_ctor_set(x_225, 0, x_224);
-lean_ctor_set(x_225, 1, x_219);
-lean_ctor_set(x_225, 2, x_220);
-lean_ctor_set(x_225, 3, x_221);
-x_226 = lean_st_ref_set(x_4, x_225, x_189);
-x_227 = lean_ctor_get(x_226, 1);
-lean_inc(x_227);
-if (lean_is_exclusive(x_226)) {
- lean_ctor_release(x_226, 0);
- lean_ctor_release(x_226, 1);
- x_228 = x_226;
-} else {
- lean_dec_ref(x_226);
- x_228 = lean_box(0);
-}
-x_229 = lean_box(x_134);
-if (lean_is_scalar(x_228)) {
- x_230 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_230 = x_228;
-}
-lean_ctor_set(x_230, 0, x_229);
-lean_ctor_set(x_230, 1, x_227);
-return x_230;
-}
-}
-}
-block_245:
-{
-if (x_232 == 0)
-{
-uint8_t x_234; 
-x_234 = l_Lean_Expr_hasFVar(x_127);
-if (x_234 == 0)
-{
-uint8_t x_235; 
-x_235 = l_Lean_Expr_hasMVar(x_127);
-if (x_235 == 0)
-{
-uint8_t x_236; 
-lean_dec(x_127);
-x_236 = 0;
-x_134 = x_236;
-x_135 = x_233;
-goto block_231;
-}
-else
-{
-lean_object* x_237; lean_object* x_238; lean_object* x_239; uint8_t x_240; 
-x_237 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__18(x_2, x_127, x_233);
-x_238 = lean_ctor_get(x_237, 0);
-lean_inc(x_238);
-x_239 = lean_ctor_get(x_237, 1);
-lean_inc(x_239);
-lean_dec(x_237);
-x_240 = lean_unbox(x_238);
-lean_dec(x_238);
-x_134 = x_240;
-x_135 = x_239;
-goto block_231;
-}
-}
-else
-{
-lean_object* x_241; lean_object* x_242; lean_object* x_243; uint8_t x_244; 
-x_241 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__26(x_2, x_127, x_233);
-x_242 = lean_ctor_get(x_241, 0);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_241, 1);
-lean_inc(x_243);
-lean_dec(x_241);
-x_244 = lean_unbox(x_242);
-lean_dec(x_242);
-x_134 = x_244;
-x_135 = x_243;
-goto block_231;
-}
-}
-else
-{
-lean_dec(x_127);
-x_134 = x_232;
-x_135 = x_233;
-goto block_231;
+lean_dec(x_94);
+x_101 = x_128;
+x_102 = x_129;
+goto block_127;
 }
 }
 }
@@ -6748,7 +6332,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -7476,7 +7060,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -7767,7 +7351,7 @@ return x_16;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at_Lean_MVarId_clear___spec__56(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_8 = lean_st_ref_get(x_6, x_7);
 x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
@@ -7781,235 +7365,170 @@ lean_dec(x_10);
 x_13 = lean_ctor_get(x_11, 0);
 lean_inc(x_13);
 lean_dec(x_11);
-x_112 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
-x_113 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_13);
-x_114 = l_Lean_Expr_hasFVar(x_1);
-if (x_114 == 0)
+x_14 = l_Lean_localDeclDependsOn___at_Lean_MVarId_clear___spec__1___closed__1;
+lean_inc(x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_13);
+x_16 = l_Lean_Expr_hasFVar(x_1);
+if (x_16 == 0)
 {
-uint8_t x_115; 
-x_115 = l_Lean_Expr_hasMVar(x_1);
-if (x_115 == 0)
+uint8_t x_17; 
+x_17 = l_Lean_Expr_hasMVar(x_1);
+if (x_17 == 0)
 {
-uint8_t x_116; 
-lean_dec(x_1);
-x_116 = 0;
-x_14 = x_116;
-x_15 = x_113;
-goto block_111;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_117 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__57(x_2, x_1, x_113);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
-lean_dec(x_118);
-x_14 = x_120;
-x_15 = x_119;
-goto block_111;
-}
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__65(x_2, x_1, x_113);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
-lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
-lean_dec(x_122);
-x_14 = x_124;
-x_15 = x_123;
-goto block_111;
-}
-block_111:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_15);
-x_17 = lean_st_ref_get(x_6, x_12);
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_take(x_4, x_18);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_16, sizeof(void*)*8);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_1);
+x_18 = lean_st_ref_get(x_6, x_12);
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = lean_st_ref_take(x_4, x_19);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_19, 1);
-lean_inc(x_23);
-lean_dec(x_19);
-x_24 = lean_ctor_get(x_16, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_16, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_16, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_16, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_16, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_16, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_16, 6);
+lean_dec(x_20);
+x_23 = !lean_is_exclusive(x_21);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_24 = lean_ctor_get(x_21, 0);
+lean_dec(x_24);
+lean_ctor_set(x_21, 0, x_13);
+x_25 = lean_st_ref_set(x_4, x_21, x_22);
+x_26 = !lean_is_exclusive(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_25, 0);
+lean_dec(x_27);
+x_28 = 0;
+x_29 = lean_box(x_28);
+lean_ctor_set(x_25, 0, x_29);
+return x_25;
+}
+else
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_ctor_get(x_25, 1);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_16, 7);
-lean_inc(x_31);
-lean_dec(x_16);
-x_32 = !lean_is_exclusive(x_20);
-if (x_32 == 0)
+lean_dec(x_25);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_20, 0);
-lean_dec(x_33);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_35 = lean_ctor_get(x_22, 7);
-lean_dec(x_35);
-x_36 = lean_ctor_get(x_22, 6);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_22, 5);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_22, 4);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_22, 3);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_22, 2);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_22, 1);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_22, 0);
-lean_dec(x_42);
-lean_ctor_set(x_22, 7, x_31);
-lean_ctor_set(x_22, 6, x_30);
-lean_ctor_set(x_22, 5, x_29);
-lean_ctor_set(x_22, 4, x_28);
-lean_ctor_set(x_22, 3, x_27);
-lean_ctor_set(x_22, 2, x_26);
-lean_ctor_set(x_22, 1, x_25);
-lean_ctor_set(x_22, 0, x_24);
-x_43 = lean_st_ref_set(x_4, x_20, x_23);
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_ctor_get(x_43, 0);
-lean_dec(x_45);
-x_46 = lean_box(x_14);
-lean_ctor_set(x_43, 0, x_46);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; 
+x_34 = lean_ctor_get(x_21, 1);
+x_35 = lean_ctor_get(x_21, 2);
+x_36 = lean_ctor_get(x_21, 3);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_21);
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_13);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_35);
+lean_ctor_set(x_37, 3, x_36);
+x_38 = lean_st_ref_set(x_4, x_37, x_22);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = 0;
+x_42 = lean_box(x_41);
+if (lean_is_scalar(x_40)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_43 = x_40;
+}
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_39);
 return x_43;
 }
+}
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_43, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+lean_dec(x_13);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__57(x_2, x_1, x_15);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
 lean_inc(x_47);
-lean_dec(x_43);
-x_48 = lean_box(x_14);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-return x_49;
-}
+lean_dec(x_45);
+x_48 = lean_st_ref_get(x_6, x_12);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_4, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+lean_dec(x_54);
+lean_ctor_set(x_51, 0, x_47);
+x_55 = lean_st_ref_set(x_4, x_51, x_52);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set(x_55, 0, x_46);
+return x_55;
 }
 else
 {
-uint8_t x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_50 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-lean_dec(x_22);
-x_51 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_51, 0, x_24);
-lean_ctor_set(x_51, 1, x_25);
-lean_ctor_set(x_51, 2, x_26);
-lean_ctor_set(x_51, 3, x_27);
-lean_ctor_set(x_51, 4, x_28);
-lean_ctor_set(x_51, 5, x_29);
-lean_ctor_set(x_51, 6, x_30);
-lean_ctor_set(x_51, 7, x_31);
-lean_ctor_set_uint8(x_51, sizeof(void*)*8, x_50);
-lean_ctor_set(x_20, 0, x_51);
-x_52 = lean_st_ref_set(x_4, x_20, x_23);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(x_14);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_57 = lean_ctor_get(x_20, 1);
-x_58 = lean_ctor_get(x_20, 2);
-x_59 = lean_ctor_get(x_20, 3);
-lean_inc(x_59);
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
 lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_20);
-x_60 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- lean_ctor_release(x_22, 4);
- lean_ctor_release(x_22, 5);
- lean_ctor_release(x_22, 6);
- lean_ctor_release(x_22, 7);
- x_61 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_61 = lean_box(0);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_46);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_62 = x_61;
 }
-lean_ctor_set(x_62, 0, x_24);
-lean_ctor_set(x_62, 1, x_25);
-lean_ctor_set(x_62, 2, x_26);
-lean_ctor_set(x_62, 3, x_27);
-lean_ctor_set(x_62, 4, x_28);
-lean_ctor_set(x_62, 5, x_29);
-lean_ctor_set(x_62, 6, x_30);
-lean_ctor_set(x_62, 7, x_31);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_60);
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_60 = lean_ctor_get(x_51, 1);
+x_61 = lean_ctor_get(x_51, 2);
+x_62 = lean_ctor_get(x_51, 3);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_51);
 x_63 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-lean_ctor_set(x_63, 2, x_58);
-lean_ctor_set(x_63, 3, x_59);
-x_64 = lean_st_ref_set(x_4, x_63, x_23);
+lean_ctor_set(x_63, 0, x_47);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_61);
+lean_ctor_set(x_63, 3, x_62);
+x_64 = lean_st_ref_set(x_4, x_63, x_52);
 x_65 = lean_ctor_get(x_64, 1);
 lean_inc(x_65);
 if (lean_is_exclusive(x_64)) {
@@ -8020,176 +7539,103 @@ if (lean_is_exclusive(x_64)) {
  lean_dec_ref(x_64);
  x_66 = lean_box(0);
 }
-x_67 = lean_box(x_14);
 if (lean_is_scalar(x_66)) {
- x_68 = lean_alloc_ctor(0, 2, 0);
+ x_67 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_68 = x_66;
+ x_67 = x_66;
+}
+lean_ctor_set(x_67, 0, x_46);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_65);
-return x_68;
 }
 }
 else
 {
-lean_object* x_69; uint8_t x_70; 
-x_69 = lean_ctor_get(x_19, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
+lean_dec(x_13);
+x_68 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MVarId_clear___spec__65(x_2, x_1, x_15);
+x_69 = lean_ctor_get(x_68, 1);
 lean_inc(x_69);
-lean_dec(x_19);
-x_70 = !lean_is_exclusive(x_16);
-if (x_70 == 0)
-{
-uint8_t x_71; 
-x_71 = !lean_is_exclusive(x_20);
-if (x_71 == 0)
-{
-lean_object* x_72; uint8_t x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_20, 0);
+x_70 = lean_ctor_get(x_68, 0);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = lean_st_ref_get(x_6, x_12);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
 lean_dec(x_72);
-x_73 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_73);
-lean_ctor_set(x_20, 0, x_16);
-x_74 = lean_st_ref_set(x_4, x_20, x_69);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-x_77 = lean_box(x_14);
-lean_ctor_set(x_74, 0, x_77);
-return x_74;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_74, 1);
-lean_inc(x_78);
+x_74 = lean_st_ref_take(x_4, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
 lean_dec(x_74);
-x_79 = lean_box(x_14);
-x_80 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
-}
+x_77 = !lean_is_exclusive(x_75);
+if (x_77 == 0)
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_75, 0);
+lean_dec(x_78);
+lean_ctor_set(x_75, 0, x_71);
+x_79 = lean_st_ref_set(x_4, x_75, x_76);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+lean_ctor_set(x_79, 0, x_70);
+return x_79;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_81 = lean_ctor_get(x_20, 1);
-x_82 = lean_ctor_get(x_20, 2);
-x_83 = lean_ctor_get(x_20, 3);
-lean_inc(x_83);
+lean_object* x_82; lean_object* x_83; 
+x_82 = lean_ctor_get(x_79, 1);
 lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_20);
-x_84 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_84);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_16);
-lean_ctor_set(x_85, 1, x_81);
-lean_ctor_set(x_85, 2, x_82);
-lean_ctor_set(x_85, 3, x_83);
-x_86 = lean_st_ref_set(x_4, x_85, x_69);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_88 = x_86;
-} else {
- lean_dec_ref(x_86);
- x_88 = lean_box(0);
-}
-x_89 = lean_box(x_14);
-if (lean_is_scalar(x_88)) {
- x_90 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_90 = x_88;
-}
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_87);
-return x_90;
+lean_dec(x_79);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_70);
+lean_ctor_set(x_83, 1, x_82);
+return x_83;
 }
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_91 = lean_ctor_get(x_16, 0);
-x_92 = lean_ctor_get(x_16, 1);
-x_93 = lean_ctor_get(x_16, 2);
-x_94 = lean_ctor_get(x_16, 3);
-x_95 = lean_ctor_get(x_16, 4);
-x_96 = lean_ctor_get(x_16, 5);
-x_97 = lean_ctor_get(x_16, 6);
-x_98 = lean_ctor_get(x_16, 7);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_16);
-x_99 = lean_ctor_get(x_20, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_20, 2);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_20, 3);
-lean_inc(x_101);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- x_102 = x_20;
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_84 = lean_ctor_get(x_75, 1);
+x_85 = lean_ctor_get(x_75, 2);
+x_86 = lean_ctor_get(x_75, 3);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_75);
+x_87 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_87, 0, x_71);
+lean_ctor_set(x_87, 1, x_84);
+lean_ctor_set(x_87, 2, x_85);
+lean_ctor_set(x_87, 3, x_86);
+x_88 = lean_st_ref_set(x_4, x_87, x_76);
+x_89 = lean_ctor_get(x_88, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_90 = x_88;
 } else {
- lean_dec_ref(x_20);
- x_102 = lean_box(0);
+ lean_dec_ref(x_88);
+ x_90 = lean_box(0);
 }
-x_103 = 1;
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_91);
-lean_ctor_set(x_104, 1, x_92);
-lean_ctor_set(x_104, 2, x_93);
-lean_ctor_set(x_104, 3, x_94);
-lean_ctor_set(x_104, 4, x_95);
-lean_ctor_set(x_104, 5, x_96);
-lean_ctor_set(x_104, 6, x_97);
-lean_ctor_set(x_104, 7, x_98);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-if (lean_is_scalar(x_102)) {
- x_105 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_105 = x_102;
-}
-lean_ctor_set(x_105, 0, x_104);
-lean_ctor_set(x_105, 1, x_99);
-lean_ctor_set(x_105, 2, x_100);
-lean_ctor_set(x_105, 3, x_101);
-x_106 = lean_st_ref_set(x_4, x_105, x_69);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
-}
-x_109 = lean_box(x_14);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-return x_110;
+ x_91 = x_90;
 }
+lean_ctor_set(x_91, 0, x_70);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
 }
 }
 }
@@ -9594,6 +9040,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
index 9bb02960bb..77dcb0486e 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Contradiction.c
@@ -14,50 +14,51 @@
 extern "C" {
 #endif
 LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_contradiction___closed__2;
+static lean_object* l_Lean_MVarId_contradictionCore___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__4;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isAuxDecl(lean_object*);
 lean_object* lean_array_uget(lean_object*, size_t);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___lambda__2___closed__1;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___closed__2;
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__2;
-static lean_object* l_Lean_Meta_contradiction___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__1;
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__7;
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__3;
 LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_genDiseq___default;
 lean_object* l_Lean_Meta_saveState___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_find(lean_object*, lean_object*);
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8;
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__3;
 uint8_t lean_name_eq(lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4;
 lean_object* l_Lean_Meta_saveState___boxed(lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__6;
+static lean_object* l_Lean_MVarId_contradiction___closed__1;
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 uint8_t l_Lean_Expr_isEq(lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___closed__2;
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8;
+static lean_object* l_Lean_MVarId_contradiction___closed__2;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
-static lean_object* l_Lean_Meta_contradictionCore___closed__2;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -66,14 +67,12 @@ LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_isGe
 extern lean_object* l_Lean_levelZero;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkDecide(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_matchNot_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__4;
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_exfalso(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___closed__2;
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
@@ -88,23 +87,22 @@ uint8_t l_Lean_Expr_isHEq(lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_isElimEmptyInductiveCandidate(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___closed__1;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__1;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_mkGenDiseqMask(lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__1___closed__1;
 lean_object* l_Lean_Meta_FVarSubst_apply(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__5;
@@ -112,9 +110,7 @@ static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spe
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__8;
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___closed__3;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -129,28 +125,26 @@ LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___boxed
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__3___closed__1;
 lean_object* l_Lean_Meta_mkAbsurd(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_sort___override(lean_object*);
 lean_object* l_Lean_Meta_findLocalDeclWithType_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3;
 uint8_t l_Lean_Expr_isAppOfArity(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_contradictionCore___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_exfalso(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_mkGenDiseqMask_go(lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_SavedState_restore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3;
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -159,13 +153,16 @@ LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_useDecide___default;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_withContext___at_Lean_Meta_ElimEmptyInductive_elim___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_addTraceOptions(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__1;
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMVarContextImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__2;
 lean_object* l_Lean_Meta_matchEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_contradictionCore___lambda__2___closed__1;
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradiction(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -179,9 +176,9 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7;
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_matchConstructorApp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5;
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__1;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__2;
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
@@ -190,25 +187,25 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInduct
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___closed__1;
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_elim___spec__4___boxed__const__1;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_withContext___at_Lean_Meta_ElimEmptyInductive_elim___spec__3(lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__2___closed__1;
 lean_object* l_Lean_Meta_matchNe_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__4;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___closed__1;
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__3;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
-static lean_object* l_Lean_Meta_contradictionCore___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -217,12 +214,16 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_ElimEmptyInductive_e
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFalseElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkNoConfusion(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Contradiction_Config_emptyType___default;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4371_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4383_(lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2;
 lean_object* lean_mk_array(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_ACLt_lt_lexSameCtor___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_mkGenDiseqMask___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_ElimEmptyInductive_elim___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -230,34 +231,34 @@ LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4(lean_ob
 lean_object* l_Lean_Meta_forallMetaTelescope(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_ElimEmptyInductive_instMonadBacktrackSavedStateM___closed__3;
 static lean_object* l_Lean_Meta_ElimEmptyInductive_elim___lambda__4___closed__2;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__1___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_elimEmptyInductive___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_ElimEmptyInductive_elim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1;
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__6;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6;
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Meta_Simp_isEqnThmHypothesis(lean_object*);
 lean_object* l_Lean_Meta_withNewMCtxDepth___at___private_Lean_Meta_WHNF_0__Lean_Meta_toCtorWhenK___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_mkGenDiseqMask_go___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__7;
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
 lean_object* l_Lean_FVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_ElimEmptyInductive_elim___spec__5___closed__5;
 lean_object* l_Lean_Meta_mkEqOfHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6;
 lean_object* l_instMonadControlT__1___rarg(lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_MVarId_contradictionCore___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_nestedFalseElim___closed__1;
 lean_object* l_Lean_Meta_matchHEq_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Exception_toMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_ElimEmptyInductive_elim___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* l_Lean_commitWhen___at_Lean_Meta_ElimEmptyInductive_elim___spec__7___at_Lean_Meta_ElimEmptyInductive_elim___spec__8___lambda__2___closed__5;
 static uint8_t _init_l_Lean_Meta_Contradiction_Config_useDecide___default() {
@@ -1149,6 +1150,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
 return x_8;
 }
 }
@@ -2108,6 +2110,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_16 = !lean_is_exclusive(x_15);
 if (x_16 == 0)
 {
@@ -2180,6 +2183,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_35 = !lean_is_exclusive(x_34);
 if (x_35 == 0)
 {
@@ -2489,6 +2493,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_14);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -2561,6 +2566,7 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
+lean_dec(x_14);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -3126,6 +3132,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -3198,6 +3205,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_34 = !lean_is_exclusive(x_33);
 if (x_34 == 0)
 {
@@ -3236,7 +3244,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_20 = l_Lean_Meta_exfalso(x_1, x_4, x_5, x_6, x_7, x_11);
+x_20 = l_Lean_MVarId_exfalso(x_1, x_4, x_5, x_6, x_7, x_11);
 if (lean_obj_tag(x_20) == 0)
 {
 lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
@@ -3288,6 +3296,7 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_10);
 x_37 = !lean_is_exclusive(x_36);
 if (x_37 == 0)
 {
@@ -3383,6 +3392,7 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
+lean_dec(x_10);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -5680,7 +5690,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, size_t x_8, size_t x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, size_t x_8, size_t x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
 uint8_t x_16; 
@@ -5724,7 +5734,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_22 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_5, x_18, x_20, x_11, x_12, x_13, x_14, x_15);
+x_22 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_5, x_18, x_20, x_11, x_12, x_13, x_14, x_15);
 if (lean_obj_tag(x_22) == 0)
 {
 lean_object* x_23; 
@@ -5841,7 +5851,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_40 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_5, x_18, x_39, x_11, x_12, x_13, x_14, x_15);
+x_40 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_5, x_18, x_39, x_11, x_12, x_13, x_14, x_15);
 if (lean_obj_tag(x_40) == 0)
 {
 lean_object* x_41; 
@@ -5945,7 +5955,7 @@ return x_56;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 uint8_t x_13; 
@@ -6101,7 +6111,7 @@ return x_40;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -6112,7 +6122,7 @@ if (x_14 == 0)
 lean_object* x_15; lean_object* x_16; 
 lean_dec(x_7);
 x_15 = lean_box(0);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_5);
 return x_16;
 }
@@ -6125,7 +6135,7 @@ if (x_17 == 0)
 {
 lean_object* x_18; lean_object* x_19; 
 x_18 = lean_box(0);
-x_19 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_18, x_9, x_10, x_11, x_12, x_13);
+x_19 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_18, x_9, x_10, x_11, x_12, x_13);
 lean_dec(x_5);
 return x_19;
 }
@@ -6153,7 +6163,7 @@ x_23 = lean_ctor_get(x_20, 1);
 lean_inc(x_23);
 lean_dec(x_20);
 x_24 = lean_box(0);
-x_25 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_24, x_9, x_10, x_11, x_12, x_23);
+x_25 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_24, x_9, x_10, x_11, x_12, x_23);
 lean_dec(x_5);
 return x_25;
 }
@@ -6226,7 +6236,7 @@ return x_35;
 }
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -6234,17 +6244,17 @@ x_1 = lean_mk_string_from_bytes("Bool", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1;
+x_2 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -6252,17 +6262,17 @@ x_1 = lean_mk_string_from_bytes("false", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2;
-x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3;
+x_1 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2;
+x_2 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -6270,27 +6280,27 @@ x_1 = lean_mk_string_from_bytes("of_decide_eq_false", 18);
 return x_1;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5;
+x_2 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6;
+x_2 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6;
 x_3 = l_Lean_Expr_const___override(x_2, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8() {
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -6299,7 +6309,7 @@ x_2 = l_Lean_Expr_sort___override(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; 
@@ -6309,7 +6319,7 @@ if (x_14 == 0)
 {
 lean_object* x_15; lean_object* x_16; 
 x_15 = lean_box(0);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_15, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_15, x_9, x_10, x_11, x_12, x_13);
 return x_16;
 }
 else
@@ -6387,7 +6397,7 @@ lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
 lean_inc(x_37);
 lean_dec(x_35);
-x_38 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4;
+x_38 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4;
 x_39 = l_Lean_Expr_isConstOf(x_36, x_38);
 lean_dec(x_36);
 if (x_39 == 0)
@@ -6395,7 +6405,7 @@ if (x_39 == 0)
 lean_object* x_40; lean_object* x_41; 
 lean_dec(x_25);
 x_40 = lean_box(0);
-x_41 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_40, x_9, x_10, x_11, x_12, x_37);
+x_41 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_40, x_9, x_10, x_11, x_12, x_37);
 return x_41;
 }
 else
@@ -6417,7 +6427,7 @@ lean_inc(x_44);
 lean_dec(x_42);
 x_45 = lean_unsigned_to_nat(0u);
 x_46 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_25, x_45);
-x_47 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8;
+x_47 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8;
 lean_inc(x_46);
 x_48 = lean_mk_array(x_46, x_47);
 x_49 = lean_unsigned_to_nat(1u);
@@ -6425,7 +6435,7 @@ x_50 = lean_nat_sub(x_46, x_49);
 lean_dec(x_46);
 x_51 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_25, x_48, x_50);
 x_52 = lean_array_push(x_51, x_43);
-x_53 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7;
+x_53 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7;
 x_54 = l_Lean_mkAppN(x_53, x_52);
 lean_inc(x_5);
 x_55 = l_Lean_MVarId_getType(x_5, x_9, x_10, x_11, x_12, x_44);
@@ -6490,7 +6500,7 @@ x_69 = lean_ctor_get(x_59, 1);
 lean_inc(x_69);
 lean_dec(x_59);
 x_70 = lean_box(0);
-x_71 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_70, x_9, x_10, x_11, x_12, x_69);
+x_71 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_70, x_9, x_10, x_11, x_12, x_69);
 return x_71;
 }
 }
@@ -6502,7 +6512,7 @@ x_72 = lean_ctor_get(x_55, 1);
 lean_inc(x_72);
 lean_dec(x_55);
 x_73 = lean_box(0);
-x_74 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_73, x_9, x_10, x_11, x_12, x_72);
+x_74 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_73, x_9, x_10, x_11, x_12, x_72);
 return x_74;
 }
 }
@@ -6514,7 +6524,7 @@ x_75 = lean_ctor_get(x_42, 1);
 lean_inc(x_75);
 lean_dec(x_42);
 x_76 = lean_box(0);
-x_77 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_76, x_9, x_10, x_11, x_12, x_75);
+x_77 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_76, x_9, x_10, x_11, x_12, x_75);
 return x_77;
 }
 }
@@ -6527,7 +6537,7 @@ x_78 = lean_ctor_get(x_35, 1);
 lean_inc(x_78);
 lean_dec(x_35);
 x_79 = lean_box(0);
-x_80 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_79, x_9, x_10, x_11, x_12, x_78);
+x_80 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_79, x_9, x_10, x_11, x_12, x_78);
 return x_80;
 }
 }
@@ -6584,7 +6594,7 @@ lean_inc(x_98);
 x_99 = lean_ctor_get(x_97, 1);
 lean_inc(x_99);
 lean_dec(x_97);
-x_100 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4;
+x_100 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4;
 x_101 = l_Lean_Expr_isConstOf(x_98, x_100);
 lean_dec(x_98);
 if (x_101 == 0)
@@ -6592,7 +6602,7 @@ if (x_101 == 0)
 lean_object* x_102; lean_object* x_103; 
 lean_dec(x_25);
 x_102 = lean_box(0);
-x_103 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_102, x_9, x_10, x_11, x_12, x_99);
+x_103 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_102, x_9, x_10, x_11, x_12, x_99);
 return x_103;
 }
 else
@@ -6614,7 +6624,7 @@ lean_inc(x_106);
 lean_dec(x_104);
 x_107 = lean_unsigned_to_nat(0u);
 x_108 = l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(x_25, x_107);
-x_109 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8;
+x_109 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8;
 lean_inc(x_108);
 x_110 = lean_mk_array(x_108, x_109);
 x_111 = lean_unsigned_to_nat(1u);
@@ -6622,7 +6632,7 @@ x_112 = lean_nat_sub(x_108, x_111);
 lean_dec(x_108);
 x_113 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_25, x_110, x_112);
 x_114 = lean_array_push(x_113, x_105);
-x_115 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7;
+x_115 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7;
 x_116 = l_Lean_mkAppN(x_115, x_114);
 lean_inc(x_5);
 x_117 = l_Lean_MVarId_getType(x_5, x_9, x_10, x_11, x_12, x_106);
@@ -6684,7 +6694,7 @@ x_129 = lean_ctor_get(x_121, 1);
 lean_inc(x_129);
 lean_dec(x_121);
 x_130 = lean_box(0);
-x_131 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_130, x_9, x_10, x_11, x_12, x_129);
+x_131 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_130, x_9, x_10, x_11, x_12, x_129);
 return x_131;
 }
 }
@@ -6696,7 +6706,7 @@ x_132 = lean_ctor_get(x_117, 1);
 lean_inc(x_132);
 lean_dec(x_117);
 x_133 = lean_box(0);
-x_134 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_133, x_9, x_10, x_11, x_12, x_132);
+x_134 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_133, x_9, x_10, x_11, x_12, x_132);
 return x_134;
 }
 }
@@ -6708,7 +6718,7 @@ x_135 = lean_ctor_get(x_104, 1);
 lean_inc(x_135);
 lean_dec(x_104);
 x_136 = lean_box(0);
-x_137 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_136, x_9, x_10, x_11, x_12, x_135);
+x_137 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_136, x_9, x_10, x_11, x_12, x_135);
 return x_137;
 }
 }
@@ -6721,7 +6731,7 @@ x_138 = lean_ctor_get(x_97, 1);
 lean_inc(x_138);
 lean_dec(x_97);
 x_139 = lean_box(0);
-x_140 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_139, x_9, x_10, x_11, x_12, x_138);
+x_140 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_139, x_9, x_10, x_11, x_12, x_138);
 return x_140;
 }
 }
@@ -6733,7 +6743,7 @@ x_141 = lean_ctor_get(x_23, 1);
 lean_inc(x_141);
 lean_dec(x_23);
 x_142 = lean_box(0);
-x_143 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_142, x_9, x_10, x_11, x_12, x_141);
+x_143 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_142, x_9, x_10, x_11, x_12, x_141);
 return x_143;
 }
 }
@@ -6741,7 +6751,7 @@ else
 {
 lean_object* x_144; lean_object* x_145; 
 x_144 = lean_box(0);
-x_145 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_144, x_9, x_10, x_11, x_12, x_20);
+x_145 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_144, x_9, x_10, x_11, x_12, x_20);
 return x_145;
 }
 }
@@ -6750,7 +6760,7 @@ else
 lean_object* x_146; lean_object* x_147; 
 lean_dec(x_19);
 x_146 = lean_box(0);
-x_147 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_146, x_9, x_10, x_11, x_12, x_20);
+x_147 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_146, x_9, x_10, x_11, x_12, x_20);
 return x_147;
 }
 }
@@ -6758,13 +6768,13 @@ else
 {
 lean_object* x_148; lean_object* x_149; 
 x_148 = lean_box(0);
-x_149 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_148, x_9, x_10, x_11, x_12, x_13);
+x_149 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_3, x_7, x_4, x_5, x_6, x_148, x_9, x_10, x_11, x_12, x_13);
 return x_149;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 lean_object* x_13; 
@@ -6788,7 +6798,7 @@ lean_inc(x_15);
 lean_dec(x_13);
 x_16 = 0;
 x_17 = lean_box(0);
-x_18 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_16, x_17, x_8, x_9, x_10, x_11, x_15);
+x_18 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_16, x_17, x_8, x_9, x_10, x_11, x_15);
 return x_18;
 }
 else
@@ -6836,7 +6846,7 @@ lean_inc(x_29);
 lean_dec(x_27);
 x_30 = 1;
 x_31 = lean_box(0);
-x_32 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_30, x_31, x_8, x_9, x_10, x_11, x_29);
+x_32 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_30, x_31, x_8, x_9, x_10, x_11, x_29);
 return x_32;
 }
 else
@@ -6869,7 +6879,7 @@ lean_inc(x_37);
 lean_dec(x_35);
 x_38 = 1;
 x_39 = lean_box(0);
-x_40 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_38, x_39, x_8, x_9, x_10, x_11, x_37);
+x_40 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_38, x_39, x_8, x_9, x_10, x_11, x_37);
 return x_40;
 }
 else
@@ -6919,7 +6929,7 @@ lean_inc(x_51);
 lean_dec(x_48);
 x_52 = 1;
 x_53 = lean_box(0);
-x_54 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_52, x_53, x_8, x_9, x_10, x_11, x_51);
+x_54 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_52, x_53, x_8, x_9, x_10, x_11, x_51);
 return x_54;
 }
 else
@@ -7123,7 +7133,7 @@ lean_dec(x_25);
 lean_dec(x_23);
 x_89 = 1;
 x_90 = lean_box(0);
-x_91 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_89, x_90, x_8, x_9, x_10, x_11, x_41);
+x_91 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_2, x_3, x_6, x_4, x_5, x_1, x_89, x_90, x_8, x_9, x_10, x_11, x_41);
 return x_91;
 }
 }
@@ -7233,7 +7243,7 @@ return x_103;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
@@ -7257,7 +7267,7 @@ lean_inc(x_14);
 lean_dec(x_12);
 x_15 = 0;
 x_16 = lean_box(0);
-x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_15, x_16, x_7, x_8, x_9, x_10, x_14);
+x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_15, x_16, x_7, x_8, x_9, x_10, x_14);
 return x_17;
 }
 else
@@ -7296,7 +7306,7 @@ lean_inc(x_25);
 lean_dec(x_23);
 x_26 = 1;
 x_27 = lean_box(0);
-x_28 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_26, x_27, x_7, x_8, x_9, x_10, x_25);
+x_28 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_26, x_27, x_7, x_8, x_9, x_10, x_25);
 return x_28;
 }
 else
@@ -7327,7 +7337,7 @@ lean_inc(x_33);
 lean_dec(x_31);
 x_34 = 1;
 x_35 = lean_box(0);
-x_36 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_34, x_35, x_7, x_8, x_9, x_10, x_33);
+x_36 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_34, x_35, x_7, x_8, x_9, x_10, x_33);
 return x_36;
 }
 else
@@ -7475,7 +7485,7 @@ else
 uint8_t x_66; lean_object* x_67; lean_object* x_68; 
 x_66 = 1;
 x_67 = lean_box(0);
-x_68 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_66, x_67, x_7, x_8, x_9, x_10, x_37);
+x_68 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_66, x_67, x_7, x_8, x_9, x_10, x_37);
 return x_68;
 }
 }
@@ -7581,7 +7591,7 @@ return x_80;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
@@ -7604,7 +7614,7 @@ x_14 = lean_ctor_get(x_12, 1);
 lean_inc(x_14);
 lean_dec(x_12);
 x_15 = lean_box(0);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__5(x_1, x_2, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_14);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__5(x_1, x_2, x_3, x_4, x_5, x_15, x_7, x_8, x_9, x_10, x_14);
 return x_16;
 }
 else
@@ -7645,7 +7655,7 @@ x_25 = lean_ctor_get(x_22, 1);
 lean_inc(x_25);
 lean_dec(x_22);
 x_26 = lean_box(0);
-x_27 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__5(x_1, x_2, x_3, x_4, x_5, x_26, x_7, x_8, x_9, x_10, x_25);
+x_27 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__5(x_1, x_2, x_3, x_4, x_5, x_26, x_7, x_8, x_9, x_10, x_25);
 return x_27;
 }
 else
@@ -7879,7 +7889,7 @@ return x_65;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 uint8_t x_15; 
@@ -7960,7 +7970,7 @@ lean_inc(x_10);
 lean_inc(x_1);
 lean_inc(x_4);
 lean_inc(x_2);
-x_49 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(x_44, x_2, x_4, x_42, x_1, x_48, x_10, x_11, x_12, x_13, x_47);
+x_49 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(x_44, x_2, x_4, x_42, x_1, x_48, x_10, x_11, x_12, x_13, x_47);
 if (lean_obj_tag(x_49) == 0)
 {
 lean_object* x_50; lean_object* x_51; 
@@ -8039,7 +8049,7 @@ lean_inc(x_10);
 lean_inc(x_1);
 lean_inc(x_4);
 lean_inc(x_2);
-x_62 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(x_44, x_2, x_4, x_42, x_1, x_61, x_10, x_11, x_12, x_13, x_60);
+x_62 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(x_44, x_2, x_4, x_42, x_1, x_61, x_10, x_11, x_12, x_13, x_60);
 if (lean_obj_tag(x_62) == 0)
 {
 lean_object* x_63; lean_object* x_64; 
@@ -8385,7 +8395,7 @@ goto block_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; 
@@ -8397,7 +8407,7 @@ lean_ctor_set(x_9, 1, x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 if (lean_obj_tag(x_6) == 0)
@@ -8418,7 +8428,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_19 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3(x_1, x_2, x_3, x_4, x_5, x_14, x_13, x_17, x_18, x_15, x_8, x_9, x_10, x_11, x_12);
+x_19 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3(x_1, x_2, x_3, x_4, x_5, x_14, x_13, x_17, x_18, x_15, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_13);
 if (lean_obj_tag(x_19) == 0)
 {
@@ -8437,7 +8447,7 @@ x_23 = lean_ctor_get(x_20, 1);
 lean_inc(x_23);
 lean_dec(x_20);
 x_24 = lean_box(0);
-x_25 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(x_23, x_24, x_8, x_9, x_10, x_11, x_22);
+x_25 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(x_23, x_24, x_8, x_9, x_10, x_11, x_22);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -8526,7 +8536,7 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
-x_42 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4(x_1, x_2, x_3, x_4, x_37, x_36, x_40, x_41, x_38, x_8, x_9, x_10, x_11, x_12);
+x_42 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4(x_1, x_2, x_3, x_4, x_37, x_36, x_40, x_41, x_38, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_36);
 lean_dec(x_3);
 if (lean_obj_tag(x_42) == 0)
@@ -8546,7 +8556,7 @@ x_46 = lean_ctor_get(x_43, 1);
 lean_inc(x_46);
 lean_dec(x_43);
 x_47 = lean_box(0);
-x_48 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(x_46, x_47, x_8, x_9, x_10, x_11, x_45);
+x_48 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(x_46, x_47, x_8, x_9, x_10, x_11, x_45);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -8618,7 +8628,7 @@ return x_58;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, size_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 uint8_t x_15; 
@@ -8699,7 +8709,7 @@ lean_inc(x_10);
 lean_inc(x_1);
 lean_inc(x_4);
 lean_inc(x_2);
-x_54 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(x_49, x_2, x_4, x_47, x_1, x_53, x_10, x_11, x_12, x_13, x_52);
+x_54 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(x_49, x_2, x_4, x_47, x_1, x_53, x_10, x_11, x_12, x_13, x_52);
 if (lean_obj_tag(x_54) == 0)
 {
 lean_object* x_55; lean_object* x_56; 
@@ -8778,7 +8788,7 @@ lean_inc(x_10);
 lean_inc(x_1);
 lean_inc(x_4);
 lean_inc(x_2);
-x_67 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__6(x_49, x_2, x_4, x_47, x_1, x_66, x_10, x_11, x_12, x_13, x_65);
+x_67 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__6(x_49, x_2, x_4, x_47, x_1, x_66, x_10, x_11, x_12, x_13, x_65);
 if (lean_obj_tag(x_67) == 0)
 {
 lean_object* x_68; lean_object* x_69; 
@@ -9150,7 +9160,7 @@ goto block_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -9160,7 +9170,7 @@ lean_ctor_set(x_8, 1, x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; lean_object* x_13; 
@@ -9175,7 +9185,7 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_13 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_6, x_12, x_6, x_7, x_8, x_9, x_10, x_11);
+x_13 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2(x_1, x_2, x_3, x_4, x_6, x_12, x_6, x_7, x_8, x_9, x_10, x_11);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; 
@@ -9240,7 +9250,7 @@ x_26 = lean_array_get_size(x_23);
 x_27 = lean_usize_of_nat(x_26);
 lean_dec(x_26);
 x_28 = 0;
-x_29 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5(x_1, x_2, x_3, x_4, x_24, x_23, x_27, x_28, x_25, x_7, x_8, x_9, x_10, x_21);
+x_29 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5(x_1, x_2, x_3, x_4, x_24, x_23, x_27, x_28, x_25, x_7, x_8, x_9, x_10, x_21);
 lean_dec(x_23);
 lean_dec(x_3);
 if (lean_obj_tag(x_29) == 0)
@@ -9369,7 +9379,7 @@ return x_51;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; lean_object* x_8; lean_object* x_9; 
@@ -9381,15 +9391,15 @@ lean_ctor_set(x_9, 1, x_6);
 return x_9;
 }
 }
-static lean_object* _init_l_Lean_Meta_contradictionCore___lambda__2___closed__1() {
+static lean_object* _init_l_Lean_MVarId_contradictionCore___lambda__2___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Meta_contradictionCore___lambda__1___boxed), 6, 0);
+x_1 = lean_alloc_closure((void*)(l_Lean_MVarId_contradictionCore___lambda__1___boxed), 6, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -9403,7 +9413,7 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_13 = l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1(x_1, x_2, x_3, x_12, x_11, x_12, x_5, x_6, x_7, x_8, x_9);
+x_13 = l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1(x_1, x_2, x_3, x_12, x_11, x_12, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; lean_object* x_15; 
@@ -9418,7 +9428,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19;
 x_16 = lean_ctor_get(x_13, 1);
 lean_inc(x_16);
 lean_dec(x_13);
-x_17 = l_Lean_Meta_contradictionCore___lambda__2___closed__1;
+x_17 = l_Lean_MVarId_contradictionCore___lambda__2___closed__1;
 x_18 = lean_box(0);
 x_19 = lean_apply_6(x_17, x_18, x_5, x_6, x_7, x_8, x_16);
 return x_19;
@@ -9486,7 +9496,7 @@ return x_29;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
@@ -9522,7 +9532,7 @@ x_15 = lean_ctor_get(x_12, 1);
 lean_inc(x_15);
 lean_dec(x_12);
 x_16 = lean_box(0);
-x_17 = l_Lean_Meta_contradictionCore___lambda__2(x_1, x_3, x_4, x_16, x_5, x_6, x_7, x_8, x_15);
+x_17 = l_Lean_MVarId_contradictionCore___lambda__2(x_1, x_3, x_4, x_16, x_5, x_6, x_7, x_8, x_15);
 return x_17;
 }
 else
@@ -9622,7 +9632,7 @@ return x_33;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_contradictionCore___closed__1() {
+static lean_object* _init_l_Lean_MVarId_contradictionCore___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
@@ -9636,7 +9646,7 @@ x_4 = l_instMonadControlT__1___rarg(x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Meta_contradictionCore___closed__2() {
+static lean_object* _init_l_Lean_MVarId_contradictionCore___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -9646,14 +9656,14 @@ x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = l_Lean_Meta_contradictionCore___closed__2;
-x_9 = l_Lean_Meta_contradictionCore___closed__1;
+x_8 = l_Lean_MVarId_contradictionCore___closed__2;
+x_9 = l_Lean_MVarId_contradictionCore___closed__1;
 lean_inc(x_1);
-x_10 = lean_alloc_closure((void*)(l_Lean_Meta_contradictionCore___lambda__3), 9, 4);
+x_10 = lean_alloc_closure((void*)(l_Lean_MVarId_contradictionCore___lambda__3), 9, 4);
 lean_closure_set(x_10, 0, x_1);
 lean_closure_set(x_10, 1, x_8);
 lean_closure_set(x_10, 2, x_2);
@@ -9662,7 +9672,7 @@ x_11 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
 size_t x_16; size_t x_17; lean_object* x_18; 
@@ -9670,12 +9680,12 @@ x_16 = lean_unbox_usize(x_8);
 lean_dec(x_8);
 x_17 = lean_unbox_usize(x_9);
 lean_dec(x_9);
-x_18 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16, x_17, x_10, x_11, x_12, x_13, x_14, x_15);
+x_18 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16, x_17, x_10, x_11, x_12, x_13, x_14, x_15);
 lean_dec(x_7);
 return x_18;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 uint8_t x_13; uint8_t x_14; lean_object* x_15; 
@@ -9683,13 +9693,13 @@ x_13 = lean_unbox(x_3);
 lean_dec(x_3);
 x_14 = lean_unbox(x_4);
 lean_dec(x_4);
-x_15 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__1(x_1, x_2, x_13, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_15 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__1(x_1, x_2, x_13, x_14, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_7);
 lean_dec(x_5);
 return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; uint8_t x_15; lean_object* x_16; 
@@ -9697,11 +9707,11 @@ x_14 = lean_unbox(x_3);
 lean_dec(x_3);
 x_15 = lean_unbox(x_4);
 lean_dec(x_4);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__2(x_1, x_2, x_14, x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__2(x_1, x_2, x_14, x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
 uint8_t x_14; uint8_t x_15; lean_object* x_16; 
@@ -9709,21 +9719,21 @@ x_14 = lean_unbox(x_3);
 lean_dec(x_3);
 x_15 = lean_unbox(x_7);
 lean_dec(x_7);
-x_16 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3(x_1, x_2, x_14, x_4, x_5, x_6, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
+x_16 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3(x_1, x_2, x_14, x_4, x_5, x_6, x_15, x_8, x_9, x_10, x_11, x_12, x_13);
 return x_16;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 uint8_t x_13; lean_object* x_14; 
 x_13 = lean_unbox(x_6);
 lean_dec(x_6);
-x_14 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_13, x_7, x_8, x_9, x_10, x_11, x_12);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__4(x_1, x_2, x_3, x_4, x_5, x_13, x_7, x_8, x_9, x_10, x_11, x_12);
 return x_14;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 size_t x_15; size_t x_16; lean_object* x_17; 
@@ -9731,17 +9741,17 @@ x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
 x_16 = lean_unbox_usize(x_8);
 lean_dec(x_8);
-x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
+x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_6);
 lean_dec(x_3);
 return x_17;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Std_PersistentArray_forInAux___at_Lean_Meta_contradictionCore___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Std_PersistentArray_forInAux___at_Lean_MVarId_contradictionCore___spec__2___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
@@ -9750,7 +9760,7 @@ lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
 size_t x_15; size_t x_16; lean_object* x_17; 
@@ -9758,17 +9768,17 @@ x_15 = lean_unbox_usize(x_7);
 lean_dec(x_7);
 x_16 = lean_unbox_usize(x_8);
 lean_dec(x_8);
-x_17 = l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
+x_17 = l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__5(x_1, x_2, x_3, x_4, x_5, x_6, x_15, x_16, x_9, x_10, x_11, x_12, x_13, x_14);
 lean_dec(x_6);
 lean_dec(x_3);
 return x_17;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Std_PersistentArray_forIn___at_Lean_Meta_contradictionCore___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Std_PersistentArray_forIn___at_Lean_MVarId_contradictionCore___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
@@ -9777,11 +9787,11 @@ lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Meta_contradictionCore___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_Lean_MVarId_contradictionCore___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
@@ -9790,16 +9800,16 @@ lean_dec(x_1);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradictionCore___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradictionCore___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
-x_10 = l_Lean_Meta_contradictionCore___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_10 = l_Lean_MVarId_contradictionCore___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 lean_dec(x_4);
 return x_10;
 }
 }
-static lean_object* _init_l_Lean_Meta_contradiction___closed__1() {
+static lean_object* _init_l_Lean_MVarId_contradiction___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -9809,17 +9819,17 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_contradiction___closed__2() {
+static lean_object* _init_l_Lean_MVarId_contradiction___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_contradiction___closed__1;
+x_1 = l_Lean_MVarId_contradiction___closed__1;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_contradiction(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_contradiction(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
@@ -9828,7 +9838,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
-x_8 = l_Lean_Meta_contradictionCore(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_MVarId_contradictionCore(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 if (lean_obj_tag(x_8) == 0)
 {
 lean_object* x_9; uint8_t x_10; 
@@ -9842,8 +9852,8 @@ lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14;
 x_11 = lean_ctor_get(x_8, 1);
 lean_inc(x_11);
 lean_dec(x_8);
-x_12 = l_Lean_Meta_contradictionCore___closed__2;
-x_13 = l_Lean_Meta_contradiction___closed__2;
+x_12 = l_Lean_MVarId_contradictionCore___closed__2;
+x_13 = l_Lean_MVarId_contradiction___closed__2;
 x_14 = l_Lean_Meta_throwTacticEx___rarg(x_12, x_1, x_13, x_3, x_4, x_5, x_6, x_11);
 return x_14;
 }
@@ -9908,7 +9918,15 @@ return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4371_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_contradiction(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_MVarId_contradiction(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4383_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -10045,33 +10063,33 @@ l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__5);
 l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6 = _init_l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Contradiction_0__Lean_Meta_processGenDiseq___closed__6);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__1);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__2);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__3);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__4);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__5);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__6);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__7);
-l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8 = _init_l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8();
-lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_contradictionCore___spec__4___lambda__3___closed__8);
-l_Lean_Meta_contradictionCore___lambda__2___closed__1 = _init_l_Lean_Meta_contradictionCore___lambda__2___closed__1();
-lean_mark_persistent(l_Lean_Meta_contradictionCore___lambda__2___closed__1);
-l_Lean_Meta_contradictionCore___closed__1 = _init_l_Lean_Meta_contradictionCore___closed__1();
-lean_mark_persistent(l_Lean_Meta_contradictionCore___closed__1);
-l_Lean_Meta_contradictionCore___closed__2 = _init_l_Lean_Meta_contradictionCore___closed__2();
-lean_mark_persistent(l_Lean_Meta_contradictionCore___closed__2);
-l_Lean_Meta_contradiction___closed__1 = _init_l_Lean_Meta_contradiction___closed__1();
-lean_mark_persistent(l_Lean_Meta_contradiction___closed__1);
-l_Lean_Meta_contradiction___closed__2 = _init_l_Lean_Meta_contradiction___closed__2();
-lean_mark_persistent(l_Lean_Meta_contradiction___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4371_(lean_io_mk_world());
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__2);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__3);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__4);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__5);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__6);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__7);
+l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8 = _init_l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_MVarId_contradictionCore___spec__4___lambda__3___closed__8);
+l_Lean_MVarId_contradictionCore___lambda__2___closed__1 = _init_l_Lean_MVarId_contradictionCore___lambda__2___closed__1();
+lean_mark_persistent(l_Lean_MVarId_contradictionCore___lambda__2___closed__1);
+l_Lean_MVarId_contradictionCore___closed__1 = _init_l_Lean_MVarId_contradictionCore___closed__1();
+lean_mark_persistent(l_Lean_MVarId_contradictionCore___closed__1);
+l_Lean_MVarId_contradictionCore___closed__2 = _init_l_Lean_MVarId_contradictionCore___closed__2();
+lean_mark_persistent(l_Lean_MVarId_contradictionCore___closed__2);
+l_Lean_MVarId_contradiction___closed__1 = _init_l_Lean_MVarId_contradiction___closed__1();
+lean_mark_persistent(l_Lean_MVarId_contradiction___closed__1);
+l_Lean_MVarId_contradiction___closed__2 = _init_l_Lean_MVarId_contradiction___closed__2();
+lean_mark_persistent(l_Lean_MVarId_contradiction___closed__2);
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Contradiction___hyg_4383_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c b/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
index f7cc8c6bb7..66ca326081 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
@@ -170,6 +170,7 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprElimAltInfo____x40_Lean_Meta_Tactic_ElimInfo___hyg_22____closed__8;
 static lean_object* l___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprElimInfo____x40_Lean_Meta_Tactic_ElimInfo___hyg_122____closed__11;
 static lean_object* l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__2;
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprCustomEliminators____x40_Lean_Meta_Tactic_ElimInfo___hyg_1577____spec__13___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux___at___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprCustomEliminators____x40_Lean_Meta_Tactic_ElimInfo___hyg_1577____spec__8(lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -221,7 +222,6 @@ static lean_object* l_Lean_Meta_getElimInfo___lambda__4___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkCustomEliminator___spec__18___closed__1;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Meta_mkCustomEliminator___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_getElimInfo___lambda__2___closed__2;
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_getCustomEliminator_x3f___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_getElimInfo___spec__7___boxed(lean_object*, lean_object*, lean_object*);
@@ -449,7 +449,6 @@ lean_object* l_instHashableArray___rarg___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprElimInfo____x40_Lean_Meta_Tactic_ElimInfo___hyg_122____closed__10;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_addImplicitTargets___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_ElimInfo_0__Lean_Meta_reprElimAltInfo____x40_Lean_Meta_Tactic_ElimInfo___hyg_22____closed__3;
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CustomEliminators_map___default___closed__5;
@@ -3207,66 +3206,62 @@ goto _start;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at_Lean_Meta_addImplicitTargets___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_13, 0);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+lean_dec(x_11);
+lean_inc(x_12);
+x_13 = l_Lean_MetavarContext_getDecl(x_12, x_1);
+x_14 = lean_ctor_get(x_13, 3);
 lean_inc(x_14);
 lean_dec(x_13);
-lean_inc(x_14);
-x_15 = l_Lean_MetavarContext_getDecl(x_14, x_1);
-x_16 = lean_ctor_get(x_15, 3);
-lean_inc(x_16);
+x_15 = lean_ctor_get(x_12, 0);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = lean_nat_dec_eq(x_14, x_15);
 lean_dec(x_15);
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
 lean_dec(x_14);
-x_18 = lean_nat_dec_eq(x_16, x_17);
-lean_dec(x_17);
-lean_dec(x_16);
-x_19 = lean_box(x_18);
-lean_ctor_set(x_11, 0, x_19);
-return x_11;
+x_17 = lean_box(x_16);
+lean_ctor_set(x_9, 0, x_17);
+return x_9;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
-x_20 = lean_ctor_get(x_11, 0);
-x_21 = lean_ctor_get(x_11, 1);
-lean_inc(x_21);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_18 = lean_ctor_get(x_9, 0);
+x_19 = lean_ctor_get(x_9, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_9);
+x_20 = lean_ctor_get(x_18, 0);
 lean_inc(x_20);
-lean_dec(x_11);
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_18);
+lean_inc(x_20);
+x_21 = l_Lean_MetavarContext_getDecl(x_20, x_1);
+x_22 = lean_ctor_get(x_21, 3);
 lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_ctor_get(x_20, 0);
+lean_inc(x_23);
 lean_dec(x_20);
-lean_inc(x_22);
-x_23 = l_Lean_MetavarContext_getDecl(x_22, x_1);
-x_24 = lean_ctor_get(x_23, 3);
-lean_inc(x_24);
+x_24 = lean_nat_dec_eq(x_22, x_23);
 lean_dec(x_23);
-x_25 = lean_ctor_get(x_22, 0);
-lean_inc(x_25);
 lean_dec(x_22);
-x_26 = lean_nat_dec_eq(x_24, x_25);
-lean_dec(x_25);
-lean_dec(x_24);
-x_27 = lean_box(x_26);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_21);
-return x_28;
+x_25 = lean_box(x_24);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_19);
+return x_26;
 }
 }
 }
@@ -3321,7 +3316,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(361u);
+x_3 = lean_unsigned_to_nat(344u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -3331,101 +3326,97 @@ return x_6;
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_st_ref_get(x_5, x_6);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+x_9 = lean_st_ref_get(x_3, x_8);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_9, 1);
 x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 0);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_ctor_get(x_15, 2);
-lean_inc(x_16);
-x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_16, x_1);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; 
-lean_dec(x_15);
-lean_free_object(x_11);
-x_18 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__4;
-x_19 = l_panic___at_Lean_Meta_addImplicitTargets___spec__6(x_18, x_2, x_3, x_4, x_5, x_14);
-return x_19;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_ctor_get(x_15, 0);
-lean_inc(x_21);
-lean_dec(x_15);
-x_22 = lean_nat_dec_eq(x_20, x_21);
-lean_dec(x_21);
-lean_dec(x_20);
-x_23 = lean_box(x_22);
-lean_ctor_set(x_11, 0, x_23);
-return x_11;
-}
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_24 = lean_ctor_get(x_11, 0);
-x_25 = lean_ctor_get(x_11, 1);
-lean_inc(x_25);
-lean_inc(x_24);
+lean_inc(x_13);
 lean_dec(x_11);
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = lean_ctor_get(x_26, 2);
-lean_inc(x_27);
-x_28 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_27, x_1);
-if (lean_obj_tag(x_28) == 0)
+x_14 = lean_ctor_get(x_13, 2);
+lean_inc(x_14);
+x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_14, x_1);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_29; lean_object* x_30; 
-lean_dec(x_26);
-x_29 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__4;
-x_30 = l_panic___at_Lean_Meta_addImplicitTargets___spec__6(x_29, x_2, x_3, x_4, x_5, x_25);
-return x_30;
+lean_object* x_16; lean_object* x_17; 
+lean_dec(x_13);
+lean_free_object(x_9);
+x_16 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__4;
+x_17 = l_panic___at_Lean_Meta_addImplicitTargets___spec__6(x_16, x_2, x_3, x_4, x_5, x_12);
+return x_17;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_31 = lean_ctor_get(x_28, 0);
-lean_inc(x_31);
-lean_dec(x_28);
-x_32 = lean_ctor_get(x_26, 0);
-lean_inc(x_32);
+x_18 = lean_ctor_get(x_15, 0);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = lean_ctor_get(x_13, 0);
+lean_inc(x_19);
+lean_dec(x_13);
+x_20 = lean_nat_dec_eq(x_18, x_19);
+lean_dec(x_19);
+lean_dec(x_18);
+x_21 = lean_box(x_20);
+lean_ctor_set(x_9, 0, x_21);
+return x_9;
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_ctor_get(x_24, 2);
+lean_inc(x_25);
+x_26 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_25, x_1);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; lean_object* x_28; 
+lean_dec(x_24);
+x_27 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__4;
+x_28 = l_panic___at_Lean_Meta_addImplicitTargets___spec__6(x_27, x_2, x_3, x_4, x_5, x_23);
+return x_28;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_29 = lean_ctor_get(x_26, 0);
+lean_inc(x_29);
 lean_dec(x_26);
-x_33 = lean_nat_dec_eq(x_31, x_32);
-lean_dec(x_32);
-lean_dec(x_31);
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_25);
-return x_35;
+x_30 = lean_ctor_get(x_24, 0);
+lean_inc(x_30);
+lean_dec(x_24);
+x_31 = lean_nat_dec_eq(x_29, x_30);
+lean_dec(x_30);
+lean_dec(x_29);
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_23);
+return x_33;
 }
 }
 }
@@ -9294,7 +9285,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -10022,7 +10013,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -10322,7 +10313,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at_Lean_Meta_mkCustomEliminator___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
 x_8 = lean_st_ref_get(x_6, x_7);
 x_9 = lean_ctor_get(x_8, 1);
 lean_inc(x_9);
@@ -10336,235 +10327,170 @@ lean_dec(x_10);
 x_13 = lean_ctor_get(x_11, 0);
 lean_inc(x_13);
 lean_dec(x_11);
-x_112 = l_Lean_exprDependsOn___at_Lean_Meta_mkCustomEliminator___spec__1___closed__1;
-x_113 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_13);
-x_114 = l_Lean_Expr_hasFVar(x_1);
-if (x_114 == 0)
+x_14 = l_Lean_exprDependsOn___at_Lean_Meta_mkCustomEliminator___spec__1___closed__1;
+lean_inc(x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_13);
+x_16 = l_Lean_Expr_hasFVar(x_1);
+if (x_16 == 0)
 {
-uint8_t x_115; 
-x_115 = l_Lean_Expr_hasMVar(x_1);
-if (x_115 == 0)
+uint8_t x_17; 
+x_17 = l_Lean_Expr_hasMVar(x_1);
+if (x_17 == 0)
 {
-uint8_t x_116; 
-lean_dec(x_1);
-x_116 = 0;
-x_14 = x_116;
-x_15 = x_113;
-goto block_111;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_117 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_mkCustomEliminator___spec__2(x_2, x_1, x_113);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
-lean_dec(x_118);
-x_14 = x_120;
-x_15 = x_119;
-goto block_111;
-}
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_mkCustomEliminator___spec__10(x_2, x_1, x_113);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
-lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
-lean_dec(x_122);
-x_14 = x_124;
-x_15 = x_123;
-goto block_111;
-}
-block_111:
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_15);
-x_17 = lean_st_ref_get(x_6, x_12);
-x_18 = lean_ctor_get(x_17, 1);
-lean_inc(x_18);
-lean_dec(x_17);
-x_19 = lean_st_ref_take(x_4, x_18);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_16, sizeof(void*)*8);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_22 = lean_ctor_get(x_20, 0);
+lean_dec(x_1);
+x_18 = lean_st_ref_get(x_6, x_12);
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = lean_st_ref_take(x_4, x_19);
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
-x_23 = lean_ctor_get(x_19, 1);
-lean_inc(x_23);
-lean_dec(x_19);
-x_24 = lean_ctor_get(x_16, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_16, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_16, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_16, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_16, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_16, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_16, 6);
+lean_dec(x_20);
+x_23 = !lean_is_exclusive(x_21);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_24 = lean_ctor_get(x_21, 0);
+lean_dec(x_24);
+lean_ctor_set(x_21, 0, x_13);
+x_25 = lean_st_ref_set(x_4, x_21, x_22);
+x_26 = !lean_is_exclusive(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_25, 0);
+lean_dec(x_27);
+x_28 = 0;
+x_29 = lean_box(x_28);
+lean_ctor_set(x_25, 0, x_29);
+return x_25;
+}
+else
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_30 = lean_ctor_get(x_25, 1);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_16, 7);
-lean_inc(x_31);
-lean_dec(x_16);
-x_32 = !lean_is_exclusive(x_20);
-if (x_32 == 0)
+lean_dec(x_25);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_30);
+return x_33;
+}
+}
+else
 {
-lean_object* x_33; uint8_t x_34; 
-x_33 = lean_ctor_get(x_20, 0);
-lean_dec(x_33);
-x_34 = !lean_is_exclusive(x_22);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_35 = lean_ctor_get(x_22, 7);
-lean_dec(x_35);
-x_36 = lean_ctor_get(x_22, 6);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_22, 5);
-lean_dec(x_37);
-x_38 = lean_ctor_get(x_22, 4);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_22, 3);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_22, 2);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_22, 1);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_22, 0);
-lean_dec(x_42);
-lean_ctor_set(x_22, 7, x_31);
-lean_ctor_set(x_22, 6, x_30);
-lean_ctor_set(x_22, 5, x_29);
-lean_ctor_set(x_22, 4, x_28);
-lean_ctor_set(x_22, 3, x_27);
-lean_ctor_set(x_22, 2, x_26);
-lean_ctor_set(x_22, 1, x_25);
-lean_ctor_set(x_22, 0, x_24);
-x_43 = lean_st_ref_set(x_4, x_20, x_23);
-x_44 = !lean_is_exclusive(x_43);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; 
-x_45 = lean_ctor_get(x_43, 0);
-lean_dec(x_45);
-x_46 = lean_box(x_14);
-lean_ctor_set(x_43, 0, x_46);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; 
+x_34 = lean_ctor_get(x_21, 1);
+x_35 = lean_ctor_get(x_21, 2);
+x_36 = lean_ctor_get(x_21, 3);
+lean_inc(x_36);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_21);
+x_37 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_37, 0, x_13);
+lean_ctor_set(x_37, 1, x_34);
+lean_ctor_set(x_37, 2, x_35);
+lean_ctor_set(x_37, 3, x_36);
+x_38 = lean_st_ref_set(x_4, x_37, x_22);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_40 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_40 = lean_box(0);
+}
+x_41 = 0;
+x_42 = lean_box(x_41);
+if (lean_is_scalar(x_40)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_43 = x_40;
+}
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_39);
 return x_43;
 }
+}
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_43, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
+lean_dec(x_13);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_mkCustomEliminator___spec__2(x_2, x_1, x_15);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
 lean_inc(x_47);
-lean_dec(x_43);
-x_48 = lean_box(x_14);
-x_49 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-return x_49;
-}
+lean_dec(x_45);
+x_48 = lean_st_ref_get(x_6, x_12);
+x_49 = lean_ctor_get(x_48, 1);
+lean_inc(x_49);
+lean_dec(x_48);
+x_50 = lean_st_ref_take(x_4, x_49);
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = !lean_is_exclusive(x_51);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_54 = lean_ctor_get(x_51, 0);
+lean_dec(x_54);
+lean_ctor_set(x_51, 0, x_47);
+x_55 = lean_st_ref_set(x_4, x_51, x_52);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
+{
+lean_object* x_57; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+lean_ctor_set(x_55, 0, x_46);
+return x_55;
 }
 else
 {
-uint8_t x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_50 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-lean_dec(x_22);
-x_51 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_51, 0, x_24);
-lean_ctor_set(x_51, 1, x_25);
-lean_ctor_set(x_51, 2, x_26);
-lean_ctor_set(x_51, 3, x_27);
-lean_ctor_set(x_51, 4, x_28);
-lean_ctor_set(x_51, 5, x_29);
-lean_ctor_set(x_51, 6, x_30);
-lean_ctor_set(x_51, 7, x_31);
-lean_ctor_set_uint8(x_51, sizeof(void*)*8, x_50);
-lean_ctor_set(x_20, 0, x_51);
-x_52 = lean_st_ref_set(x_4, x_20, x_23);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(x_14);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
-x_57 = lean_ctor_get(x_20, 1);
-x_58 = lean_ctor_get(x_20, 2);
-x_59 = lean_ctor_get(x_20, 3);
-lean_inc(x_59);
+lean_object* x_58; lean_object* x_59; 
+x_58 = lean_ctor_get(x_55, 1);
 lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_20);
-x_60 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-if (lean_is_exclusive(x_22)) {
- lean_ctor_release(x_22, 0);
- lean_ctor_release(x_22, 1);
- lean_ctor_release(x_22, 2);
- lean_ctor_release(x_22, 3);
- lean_ctor_release(x_22, 4);
- lean_ctor_release(x_22, 5);
- lean_ctor_release(x_22, 6);
- lean_ctor_release(x_22, 7);
- x_61 = x_22;
-} else {
- lean_dec_ref(x_22);
- x_61 = lean_box(0);
+lean_dec(x_55);
+x_59 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_59, 0, x_46);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
-if (lean_is_scalar(x_61)) {
- x_62 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_62 = x_61;
 }
-lean_ctor_set(x_62, 0, x_24);
-lean_ctor_set(x_62, 1, x_25);
-lean_ctor_set(x_62, 2, x_26);
-lean_ctor_set(x_62, 3, x_27);
-lean_ctor_set(x_62, 4, x_28);
-lean_ctor_set(x_62, 5, x_29);
-lean_ctor_set(x_62, 6, x_30);
-lean_ctor_set(x_62, 7, x_31);
-lean_ctor_set_uint8(x_62, sizeof(void*)*8, x_60);
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_60 = lean_ctor_get(x_51, 1);
+x_61 = lean_ctor_get(x_51, 2);
+x_62 = lean_ctor_get(x_51, 3);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_51);
 x_63 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_57);
-lean_ctor_set(x_63, 2, x_58);
-lean_ctor_set(x_63, 3, x_59);
-x_64 = lean_st_ref_set(x_4, x_63, x_23);
+lean_ctor_set(x_63, 0, x_47);
+lean_ctor_set(x_63, 1, x_60);
+lean_ctor_set(x_63, 2, x_61);
+lean_ctor_set(x_63, 3, x_62);
+x_64 = lean_st_ref_set(x_4, x_63, x_52);
 x_65 = lean_ctor_get(x_64, 1);
 lean_inc(x_65);
 if (lean_is_exclusive(x_64)) {
@@ -10575,176 +10501,103 @@ if (lean_is_exclusive(x_64)) {
  lean_dec_ref(x_64);
  x_66 = lean_box(0);
 }
-x_67 = lean_box(x_14);
 if (lean_is_scalar(x_66)) {
- x_68 = lean_alloc_ctor(0, 2, 0);
+ x_67 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_68 = x_66;
+ x_67 = x_66;
+}
+lean_ctor_set(x_67, 0, x_46);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
-lean_ctor_set(x_68, 0, x_67);
-lean_ctor_set(x_68, 1, x_65);
-return x_68;
 }
 }
 else
 {
-lean_object* x_69; uint8_t x_70; 
-x_69 = lean_ctor_get(x_19, 1);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
+lean_dec(x_13);
+x_68 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_mkCustomEliminator___spec__10(x_2, x_1, x_15);
+x_69 = lean_ctor_get(x_68, 1);
 lean_inc(x_69);
-lean_dec(x_19);
-x_70 = !lean_is_exclusive(x_16);
-if (x_70 == 0)
-{
-uint8_t x_71; 
-x_71 = !lean_is_exclusive(x_20);
-if (x_71 == 0)
-{
-lean_object* x_72; uint8_t x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_20, 0);
+x_70 = lean_ctor_get(x_68, 0);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = lean_st_ref_get(x_6, x_12);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
 lean_dec(x_72);
-x_73 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_73);
-lean_ctor_set(x_20, 0, x_16);
-x_74 = lean_st_ref_set(x_4, x_20, x_69);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
-{
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-x_77 = lean_box(x_14);
-lean_ctor_set(x_74, 0, x_77);
-return x_74;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_74, 1);
-lean_inc(x_78);
+x_74 = lean_st_ref_take(x_4, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
 lean_dec(x_74);
-x_79 = lean_box(x_14);
-x_80 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_78);
-return x_80;
-}
+x_77 = !lean_is_exclusive(x_75);
+if (x_77 == 0)
+{
+lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = lean_ctor_get(x_75, 0);
+lean_dec(x_78);
+lean_ctor_set(x_75, 0, x_71);
+x_79 = lean_st_ref_set(x_4, x_75, x_76);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+lean_ctor_set(x_79, 0, x_70);
+return x_79;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-x_81 = lean_ctor_get(x_20, 1);
-x_82 = lean_ctor_get(x_20, 2);
-x_83 = lean_ctor_get(x_20, 3);
-lean_inc(x_83);
+lean_object* x_82; lean_object* x_83; 
+x_82 = lean_ctor_get(x_79, 1);
 lean_inc(x_82);
-lean_inc(x_81);
-lean_dec(x_20);
-x_84 = 1;
-lean_ctor_set_uint8(x_16, sizeof(void*)*8, x_84);
-x_85 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_85, 0, x_16);
-lean_ctor_set(x_85, 1, x_81);
-lean_ctor_set(x_85, 2, x_82);
-lean_ctor_set(x_85, 3, x_83);
-x_86 = lean_st_ref_set(x_4, x_85, x_69);
-x_87 = lean_ctor_get(x_86, 1);
-lean_inc(x_87);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_88 = x_86;
-} else {
- lean_dec_ref(x_86);
- x_88 = lean_box(0);
-}
-x_89 = lean_box(x_14);
-if (lean_is_scalar(x_88)) {
- x_90 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_90 = x_88;
-}
-lean_ctor_set(x_90, 0, x_89);
-lean_ctor_set(x_90, 1, x_87);
-return x_90;
+lean_dec(x_79);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_70);
+lean_ctor_set(x_83, 1, x_82);
+return x_83;
 }
 }
 else
 {
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_91 = lean_ctor_get(x_16, 0);
-x_92 = lean_ctor_get(x_16, 1);
-x_93 = lean_ctor_get(x_16, 2);
-x_94 = lean_ctor_get(x_16, 3);
-x_95 = lean_ctor_get(x_16, 4);
-x_96 = lean_ctor_get(x_16, 5);
-x_97 = lean_ctor_get(x_16, 6);
-x_98 = lean_ctor_get(x_16, 7);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_inc(x_92);
-lean_inc(x_91);
-lean_dec(x_16);
-x_99 = lean_ctor_get(x_20, 1);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_20, 2);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_20, 3);
-lean_inc(x_101);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- x_102 = x_20;
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_84 = lean_ctor_get(x_75, 1);
+x_85 = lean_ctor_get(x_75, 2);
+x_86 = lean_ctor_get(x_75, 3);
+lean_inc(x_86);
+lean_inc(x_85);
+lean_inc(x_84);
+lean_dec(x_75);
+x_87 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_87, 0, x_71);
+lean_ctor_set(x_87, 1, x_84);
+lean_ctor_set(x_87, 2, x_85);
+lean_ctor_set(x_87, 3, x_86);
+x_88 = lean_st_ref_set(x_4, x_87, x_76);
+x_89 = lean_ctor_get(x_88, 1);
+lean_inc(x_89);
+if (lean_is_exclusive(x_88)) {
+ lean_ctor_release(x_88, 0);
+ lean_ctor_release(x_88, 1);
+ x_90 = x_88;
 } else {
- lean_dec_ref(x_20);
- x_102 = lean_box(0);
+ lean_dec_ref(x_88);
+ x_90 = lean_box(0);
 }
-x_103 = 1;
-x_104 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_104, 0, x_91);
-lean_ctor_set(x_104, 1, x_92);
-lean_ctor_set(x_104, 2, x_93);
-lean_ctor_set(x_104, 3, x_94);
-lean_ctor_set(x_104, 4, x_95);
-lean_ctor_set(x_104, 5, x_96);
-lean_ctor_set(x_104, 6, x_97);
-lean_ctor_set(x_104, 7, x_98);
-lean_ctor_set_uint8(x_104, sizeof(void*)*8, x_103);
-if (lean_is_scalar(x_102)) {
- x_105 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_90)) {
+ x_91 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_105 = x_102;
-}
-lean_ctor_set(x_105, 0, x_104);
-lean_ctor_set(x_105, 1, x_99);
-lean_ctor_set(x_105, 2, x_100);
-lean_ctor_set(x_105, 3, x_101);
-x_106 = lean_st_ref_set(x_4, x_105, x_69);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
-} else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
-}
-x_109 = lean_box(x_14);
-if (lean_is_scalar(x_108)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_110 = x_108;
-}
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_107);
-return x_110;
+ x_91 = x_90;
 }
+lean_ctor_set(x_91, 0, x_70);
+lean_ctor_set(x_91, 1, x_89);
+return x_91;
 }
 }
 }
@@ -12090,14 +11943,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addCustomEliminator___spec__1
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addCustomEliminator___spec__1___closed__5;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addCustomEliminator___spec__1___closed__6;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addCustomEliminator___spec__1___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -12904,23 +12756,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_ElimInfo___hyg_2262____lambda__1___closed__10() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_ElimInfo___hyg_2262____lambda__1___closed__8;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_ElimInfo___hyg_2262____lambda__1___closed__9;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addCustomEliminator___spec__1___closed__1;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_ElimInfo___hyg_2262____lambda__1___closed__11() {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Generalize.c b/stage0/stdlib/Lean/Meta/Tactic/Generalize.c
index 67b428d850..f30c99e125 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Generalize.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Generalize.c
@@ -13,81 +13,83 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-static lean_object* l_Lean_Meta_generalize_go___closed__1;
 size_t lean_usize_add(size_t, size_t);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkForallFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize_go___closed__2;
 lean_object* l_Lean_Expr_forallE___override(lean_object*, lean_object*, lean_object*, uint8_t);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_generalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_GeneralizeArg_hName_x3f___default;
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
-static lean_object* l_Lean_Meta_generalize___lambda__3___closed__3;
 lean_object* l_Lean_MVarId_getTag(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedGeneralizeArg___closed__2;
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instInhabitedGeneralizeArg;
-static lean_object* l_Lean_Meta_generalize_go_x27___closed__1;
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_Meta_isTypeCorrect(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
-static lean_object* l_Lean_Meta_generalize_go_x27___closed__2;
 lean_object* lean_nat_add(lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2(lean_object*, size_t, size_t);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2;
 lean_object* l_Lean_Meta_mkEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize___lambda__3___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize_go_x27___closed__3;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_assign___at_Lean_Meta_getLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize___lambda__3___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MVarId_checkNotAssigned(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_generalize_go_x27___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_generalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(size_t, size_t, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2;
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4;
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedGeneralizeArg___closed__1;
-static lean_object* l_Lean_Meta_generalize___lambda__3___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Meta_throwTacticEx___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___spec__1(lean_object*);
 lean_object* l_Lean_MVarId_getType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_redLength___rarg(lean_object*);
-static lean_object* l_Lean_Meta_generalize___closed__2;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4;
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2(lean_object*, size_t, size_t);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1;
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Meta_addPPExplicitToExposeDiff_visit___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toArrayAux___rarg(lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_GeneralizeArg_xName_x3f___default;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(size_t, size_t, lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkHEqRefl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_indentExpr(lean_object*);
 lean_object* l_Lean_Meta_kabstract(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_generalize_go_x27___closed__4;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3;
+static lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2;
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 static lean_object* _init_l_Lean_Meta_GeneralizeArg_xName_x3f___default() {
 _start:
@@ -135,7 +137,7 @@ x_1 = l_Lean_Meta_instInhabitedGeneralizeArg___closed__2;
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_11; 
@@ -196,7 +198,7 @@ return x_24;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go___closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -204,17 +206,17 @@ x_1 = lean_mk_string_from_bytes("x", 1);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_generalize_go___closed__1;
+x_2 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; uint8_t x_10; 
@@ -274,7 +276,7 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-x_25 = l_Lean_Meta_generalize_go(x_1, x_2, x_24, x_4, x_5, x_6, x_7, x_22);
+x_25 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go(x_1, x_2, x_24, x_4, x_5, x_6, x_7, x_22);
 if (lean_obj_tag(x_25) == 0)
 {
 lean_object* x_26; 
@@ -289,14 +291,14 @@ lean_inc(x_27);
 x_28 = lean_ctor_get(x_25, 1);
 lean_inc(x_28);
 lean_dec(x_25);
-x_29 = l_Lean_Meta_generalize_go___closed__2;
+x_29 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2;
 x_30 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_29, x_6, x_7, x_28);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
 lean_inc(x_32);
 lean_dec(x_30);
-x_33 = l_Lean_Meta_generalize_go___lambda__1(x_27, x_15, x_21, x_31, x_4, x_5, x_6, x_7, x_32);
+x_33 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___lambda__1(x_27, x_15, x_21, x_31, x_4, x_5, x_6, x_7, x_32);
 return x_33;
 }
 else
@@ -310,7 +312,7 @@ lean_dec(x_25);
 x_36 = lean_ctor_get(x_26, 0);
 lean_inc(x_36);
 lean_dec(x_26);
-x_37 = l_Lean_Meta_generalize_go___lambda__1(x_34, x_15, x_21, x_36, x_4, x_5, x_6, x_7, x_35);
+x_37 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___lambda__1(x_34, x_15, x_21, x_36, x_4, x_5, x_6, x_7, x_35);
 return x_37;
 }
 }
@@ -378,7 +380,7 @@ return x_45;
 }
 }
 }
-LEAN_EXPORT lean_object* l_panic___at_Lean_Meta_generalize_go_x27___spec__1(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___spec__1(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -387,7 +389,7 @@ x_3 = lean_panic_fn(x_2, x_1);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
@@ -398,7 +400,7 @@ lean_inc(x_13);
 lean_dec(x_6);
 x_14 = lean_unsigned_to_nat(1u);
 x_15 = lean_nat_add(x_1, x_14);
-x_16 = l_Lean_Meta_generalize_go_x27(x_2, x_3, x_4, x_15, x_7, x_8, x_9, x_10, x_11);
+x_16 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27(x_2, x_3, x_4, x_15, x_7, x_8, x_9, x_10, x_11);
 if (lean_obj_tag(x_16) == 0)
 {
 uint8_t x_17; 
@@ -507,7 +509,7 @@ return x_44;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go_x27___closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -515,7 +517,7 @@ x_1 = lean_mk_string_from_bytes("Init.Util", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go_x27___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -523,7 +525,7 @@ x_1 = lean_mk_string_from_bytes("getElem!", 8);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go_x27___closed__3() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -531,20 +533,20 @@ x_1 = lean_mk_string_from_bytes("index out of bounds", 19);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize_go_x27___closed__4() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_Meta_generalize_go_x27___closed__1;
-x_2 = l_Lean_Meta_generalize_go_x27___closed__2;
+x_1 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1;
+x_2 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2;
 x_3 = lean_unsigned_to_nat(70u);
 x_4 = lean_unsigned_to_nat(36u);
-x_5 = l_Lean_Meta_generalize_go_x27___closed__3;
+x_5 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; uint8_t x_11; 
@@ -579,8 +581,8 @@ lean_dec(x_85);
 if (x_86 == 0)
 {
 lean_object* x_87; lean_object* x_88; 
-x_87 = l_Lean_Meta_generalize_go_x27___closed__4;
-x_88 = l_panic___at_Lean_Meta_generalize_go_x27___spec__1(x_87);
+x_87 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4;
+x_88 = l_panic___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___spec__1(x_87);
 x_15 = x_88;
 goto block_84;
 }
@@ -704,7 +706,7 @@ lean_dec(x_42);
 x_45 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_45, 0, x_40);
 lean_ctor_set(x_45, 1, x_43);
-x_46 = l_Lean_Meta_generalize_go_x27___lambda__1(x_4, x_1, x_2, x_3, x_20, x_45, x_5, x_6, x_7, x_8, x_44);
+x_46 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1(x_4, x_1, x_2, x_3, x_20, x_45, x_5, x_6, x_7, x_8, x_44);
 lean_dec(x_4);
 return x_46;
 }
@@ -810,7 +812,7 @@ lean_dec(x_59);
 x_62 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_62, 0, x_57);
 lean_ctor_set(x_62, 1, x_60);
-x_63 = l_Lean_Meta_generalize_go_x27___lambda__1(x_4, x_1, x_2, x_3, x_20, x_62, x_5, x_6, x_7, x_8, x_61);
+x_63 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1(x_4, x_1, x_2, x_3, x_20, x_62, x_5, x_6, x_7, x_8, x_61);
 lean_dec(x_4);
 return x_63;
 }
@@ -988,16 +990,16 @@ return x_83;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize_go_x27___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
-x_12 = l_Lean_Meta_generalize_go_x27___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_12 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_1);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(size_t x_1, size_t x_2, lean_object* x_3) {
 _start:
 {
 uint8_t x_4; 
@@ -1024,7 +1026,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2(lean_object* x_1, size_t x_2, size_t x_3) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2(lean_object* x_1, size_t x_2, size_t x_3) {
 _start:
 {
 uint8_t x_4; 
@@ -1060,7 +1062,7 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; 
@@ -1070,7 +1072,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_2);
-x_10 = l_Lean_Meta_generalize_go_x27(x_1, x_2, x_3, x_9, x_4, x_5, x_6, x_7, x_8);
+x_10 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27(x_1, x_2, x_3, x_9, x_4, x_5, x_6, x_7, x_8);
 if (lean_obj_tag(x_10) == 0)
 {
 lean_object* x_11; lean_object* x_12; uint8_t x_13; 
@@ -1244,7 +1246,7 @@ return x_47;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; size_t x_12; size_t x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
@@ -1252,7 +1254,7 @@ x_11 = lean_array_get_size(x_1);
 x_12 = lean_usize_of_nat(x_11);
 x_13 = 0;
 lean_inc(x_1);
-x_14 = l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(x_12, x_13, x_1);
+x_14 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(x_12, x_13, x_1);
 x_15 = lean_unsigned_to_nat(0u);
 x_16 = lean_nat_dec_lt(x_15, x_11);
 if (x_16 == 0)
@@ -1310,7 +1312,7 @@ return x_39;
 else
 {
 uint8_t x_40; 
-x_40 = l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2(x_1, x_13, x_12);
+x_40 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2(x_1, x_13, x_12);
 if (x_40 == 0)
 {
 lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; uint8_t x_50; lean_object* x_51; 
@@ -1341,7 +1343,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54;
 lean_inc(x_11);
 x_52 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_52, 0, x_11);
-x_53 = lean_alloc_closure((void*)(l_Lean_Meta_generalize___lambda__1), 8, 1);
+x_53 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__1), 8, 1);
 lean_closure_set(x_53, 0, x_1);
 lean_inc(x_9);
 lean_inc(x_8);
@@ -1427,7 +1429,7 @@ return x_79;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___lambda__3___closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1435,16 +1437,16 @@ x_1 = lean_mk_string_from_bytes("result is not type correct", 26);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___lambda__3___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_generalize___lambda__3___closed__1;
+x_1 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___lambda__3___closed__3() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -1452,16 +1454,16 @@ x_1 = lean_mk_string_from_bytes("", 0);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___lambda__3___closed__4() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_generalize___lambda__3___closed__3;
+x_1 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
@@ -1510,7 +1512,7 @@ lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_21 = l_Lean_Meta_generalize_go(x_3, x_18, x_20, x_4, x_5, x_6, x_7, x_19);
+x_21 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go(x_3, x_18, x_20, x_4, x_5, x_6, x_7, x_19);
 if (lean_obj_tag(x_21) == 0)
 {
 lean_object* x_22; lean_object* x_23; lean_object* x_24; 
@@ -1540,11 +1542,11 @@ lean_inc(x_27);
 lean_dec(x_24);
 lean_inc(x_22);
 x_28 = l_Lean_indentExpr(x_22);
-x_29 = l_Lean_Meta_generalize___lambda__3___closed__2;
+x_29 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2;
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_Meta_generalize___lambda__3___closed__4;
+x_31 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4;
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
@@ -1562,7 +1564,7 @@ lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
 lean_inc(x_35);
 lean_dec(x_33);
-x_36 = l_Lean_Meta_generalize___lambda__2(x_3, x_22, x_12, x_1, x_34, x_4, x_5, x_6, x_7, x_35);
+x_36 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2(x_3, x_22, x_12, x_1, x_34, x_4, x_5, x_6, x_7, x_35);
 lean_dec(x_34);
 return x_36;
 }
@@ -1605,7 +1607,7 @@ x_41 = lean_ctor_get(x_24, 1);
 lean_inc(x_41);
 lean_dec(x_24);
 x_42 = lean_box(0);
-x_43 = l_Lean_Meta_generalize___lambda__2(x_3, x_22, x_12, x_1, x_42, x_4, x_5, x_6, x_7, x_41);
+x_43 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2(x_3, x_22, x_12, x_1, x_42, x_4, x_5, x_6, x_7, x_41);
 return x_43;
 }
 }
@@ -1764,7 +1766,7 @@ return x_63;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___closed__1() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -1772,23 +1774,23 @@ x_1 = lean_mk_string_from_bytes("generalize", 10);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_generalize___closed__2() {
+static lean_object* _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_generalize___closed__1;
+x_2 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1;
 x_3 = l_Lean_Name_str___override(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = l_Lean_Meta_generalize___closed__2;
+x_8 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2;
 lean_inc(x_1);
-x_9 = lean_alloc_closure((void*)(l_Lean_Meta_generalize___lambda__3), 8, 3);
+x_9 = lean_alloc_closure((void*)(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3), 8, 3);
 lean_closure_set(x_9, 0, x_1);
 lean_closure_set(x_9, 1, x_8);
 lean_closure_set(x_9, 2, x_2);
@@ -1796,7 +1798,7 @@ x_10 = l_Lean_MVarId_withContext___at___private_Lean_Meta_SynthInstance_0__Lean_
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 size_t x_4; size_t x_5; lean_object* x_6; 
@@ -1804,11 +1806,11 @@ x_4 = lean_unbox_usize(x_1);
 lean_dec(x_1);
 x_5 = lean_unbox_usize(x_2);
 lean_dec(x_2);
-x_6 = l_Array_mapMUnsafe_map___at_Lean_Meta_generalize___spec__1(x_4, x_5, x_3);
+x_6 = l_Array_mapMUnsafe_map___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__1(x_4, x_5, x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 size_t x_4; size_t x_5; uint8_t x_6; lean_object* x_7; 
@@ -1816,21 +1818,37 @@ x_4 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_5 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_6 = l_Array_anyMUnsafe_any___at_Lean_Meta_generalize___spec__2(x_1, x_4, x_5);
+x_6 = l_Array_anyMUnsafe_any___at___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___spec__2(x_1, x_4, x_5);
 lean_dec(x_1);
 x_7 = lean_box(x_6);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_generalize___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; 
-x_11 = l_Lean_Meta_generalize___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_11 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 lean_dec(x_5);
 return x_11;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_MVarId_generalize(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_generalize(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_8;
+}
+}
 lean_object* initialize_Init(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_KAbstract(uint8_t builtin, lean_object*);
 lean_object* initialize_Lean_Meta_Tactic_Util(uint8_t builtin, lean_object*);
@@ -1862,30 +1880,30 @@ l_Lean_Meta_instInhabitedGeneralizeArg___closed__2 = _init_l_Lean_Meta_instInhab
 lean_mark_persistent(l_Lean_Meta_instInhabitedGeneralizeArg___closed__2);
 l_Lean_Meta_instInhabitedGeneralizeArg = _init_l_Lean_Meta_instInhabitedGeneralizeArg();
 lean_mark_persistent(l_Lean_Meta_instInhabitedGeneralizeArg);
-l_Lean_Meta_generalize_go___closed__1 = _init_l_Lean_Meta_generalize_go___closed__1();
-lean_mark_persistent(l_Lean_Meta_generalize_go___closed__1);
-l_Lean_Meta_generalize_go___closed__2 = _init_l_Lean_Meta_generalize_go___closed__2();
-lean_mark_persistent(l_Lean_Meta_generalize_go___closed__2);
-l_Lean_Meta_generalize_go_x27___closed__1 = _init_l_Lean_Meta_generalize_go_x27___closed__1();
-lean_mark_persistent(l_Lean_Meta_generalize_go_x27___closed__1);
-l_Lean_Meta_generalize_go_x27___closed__2 = _init_l_Lean_Meta_generalize_go_x27___closed__2();
-lean_mark_persistent(l_Lean_Meta_generalize_go_x27___closed__2);
-l_Lean_Meta_generalize_go_x27___closed__3 = _init_l_Lean_Meta_generalize_go_x27___closed__3();
-lean_mark_persistent(l_Lean_Meta_generalize_go_x27___closed__3);
-l_Lean_Meta_generalize_go_x27___closed__4 = _init_l_Lean_Meta_generalize_go_x27___closed__4();
-lean_mark_persistent(l_Lean_Meta_generalize_go_x27___closed__4);
-l_Lean_Meta_generalize___lambda__3___closed__1 = _init_l_Lean_Meta_generalize___lambda__3___closed__1();
-lean_mark_persistent(l_Lean_Meta_generalize___lambda__3___closed__1);
-l_Lean_Meta_generalize___lambda__3___closed__2 = _init_l_Lean_Meta_generalize___lambda__3___closed__2();
-lean_mark_persistent(l_Lean_Meta_generalize___lambda__3___closed__2);
-l_Lean_Meta_generalize___lambda__3___closed__3 = _init_l_Lean_Meta_generalize___lambda__3___closed__3();
-lean_mark_persistent(l_Lean_Meta_generalize___lambda__3___closed__3);
-l_Lean_Meta_generalize___lambda__3___closed__4 = _init_l_Lean_Meta_generalize___lambda__3___closed__4();
-lean_mark_persistent(l_Lean_Meta_generalize___lambda__3___closed__4);
-l_Lean_Meta_generalize___closed__1 = _init_l_Lean_Meta_generalize___closed__1();
-lean_mark_persistent(l_Lean_Meta_generalize___closed__1);
-l_Lean_Meta_generalize___closed__2 = _init_l_Lean_Meta_generalize___closed__2();
-lean_mark_persistent(l_Lean_Meta_generalize___closed__2);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__1);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go___closed__2);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__1);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__2);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__3);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore_go_x27___closed__4);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__1);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__2);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__3);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___lambda__3___closed__4);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__1);
+l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2 = _init_l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2();
+lean_mark_persistent(l___private_Lean_Meta_Tactic_Generalize_0__Lean_Meta_generalizeCore___closed__2);
 return lean_io_result_mk_ok(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Replace.c b/stage0/stdlib/Lean/Meta/Tactic/Replace.c
index 0519071ccc..c970817f25 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Replace.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Replace.c
@@ -2742,6 +2742,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_38);
 x_57 = !lean_is_exclusive(x_56);
 if (x_57 == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Revert.c b/stage0/stdlib/Lean/Meta/Tactic/Revert.c
index 6645506708..8a08f9a60b 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Revert.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Revert.c
@@ -814,720 +814,366 @@ x_91 = l_Lean_MetavarContext_revert(x_30, x_29, x_4, x_87, x_90);
 lean_dec(x_87);
 if (lean_obj_tag(x_91) == 0)
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; 
-x_92 = lean_ctor_get(x_91, 0);
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_92 = lean_ctor_get(x_91, 1);
 lean_inc(x_92);
-x_93 = lean_ctor_get(x_91, 1);
+x_93 = lean_ctor_get(x_91, 0);
 lean_inc(x_93);
 lean_dec(x_91);
-x_121 = lean_ctor_get(x_93, 0);
+x_94 = lean_ctor_get(x_92, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_92, 1);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_92, 2);
+lean_inc(x_96);
+lean_dec(x_92);
+x_97 = lean_st_ref_get(x_8, x_85);
+x_98 = lean_ctor_get(x_97, 1);
+lean_inc(x_98);
+lean_dec(x_97);
+x_99 = lean_st_ref_take(x_6, x_98);
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = !lean_is_exclusive(x_100);
+if (x_102 == 0)
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
+x_103 = lean_ctor_get(x_100, 0);
+lean_dec(x_103);
+lean_ctor_set(x_100, 0, x_94);
+x_104 = lean_st_ref_set(x_6, x_100, x_101);
+x_105 = lean_ctor_get(x_104, 1);
+lean_inc(x_105);
+lean_dec(x_104);
+x_106 = lean_st_ref_take(x_8, x_105);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
+lean_inc(x_108);
+lean_dec(x_106);
+x_109 = !lean_is_exclusive(x_107);
+if (x_109 == 0)
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_110 = lean_ctor_get(x_107, 2);
+lean_dec(x_110);
+x_111 = lean_ctor_get(x_107, 1);
+lean_dec(x_111);
+lean_ctor_set(x_107, 2, x_96);
+lean_ctor_set(x_107, 1, x_95);
+x_112 = lean_st_ref_set(x_8, x_107, x_108);
+x_113 = !lean_is_exclusive(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; 
+x_114 = lean_ctor_get(x_112, 0);
+lean_dec(x_114);
+lean_ctor_set(x_112, 0, x_93);
+x_47 = x_112;
+goto block_67;
+}
+else
+{
+lean_object* x_115; lean_object* x_116; 
+x_115 = lean_ctor_get(x_112, 1);
+lean_inc(x_115);
+lean_dec(x_112);
+x_116 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_116, 0, x_93);
+lean_ctor_set(x_116, 1, x_115);
+x_47 = x_116;
+goto block_67;
+}
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_117 = lean_ctor_get(x_107, 0);
+x_118 = lean_ctor_get(x_107, 3);
+x_119 = lean_ctor_get(x_107, 4);
+x_120 = lean_ctor_get(x_107, 5);
+x_121 = lean_ctor_get(x_107, 6);
 lean_inc(x_121);
-x_122 = lean_st_ref_get(x_8, x_85);
-x_123 = lean_ctor_get(x_122, 1);
-lean_inc(x_123);
-lean_dec(x_122);
-x_124 = lean_st_ref_take(x_6, x_123);
-x_125 = lean_ctor_get(x_124, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get_uint8(x_121, sizeof(void*)*8);
-if (x_126 == 0)
+lean_inc(x_120);
+lean_inc(x_119);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_107);
+x_122 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_122, 0, x_117);
+lean_ctor_set(x_122, 1, x_95);
+lean_ctor_set(x_122, 2, x_96);
+lean_ctor_set(x_122, 3, x_118);
+lean_ctor_set(x_122, 4, x_119);
+lean_ctor_set(x_122, 5, x_120);
+lean_ctor_set(x_122, 6, x_121);
+x_123 = lean_st_ref_set(x_8, x_122, x_108);
+x_124 = lean_ctor_get(x_123, 1);
+lean_inc(x_124);
+if (lean_is_exclusive(x_123)) {
+ lean_ctor_release(x_123, 0);
+ lean_ctor_release(x_123, 1);
+ x_125 = x_123;
+} else {
+ lean_dec_ref(x_123);
+ x_125 = lean_box(0);
+}
+if (lean_is_scalar(x_125)) {
+ x_126 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_126 = x_125;
+}
+lean_ctor_set(x_126, 0, x_93);
+lean_ctor_set(x_126, 1, x_124);
+x_47 = x_126;
+goto block_67;
+}
+}
+else
 {
-lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_127 = lean_ctor_get(x_125, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_124, 1);
-lean_inc(x_128);
-lean_dec(x_124);
-x_129 = lean_ctor_get(x_121, 0);
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+x_127 = lean_ctor_get(x_100, 1);
+x_128 = lean_ctor_get(x_100, 2);
+x_129 = lean_ctor_get(x_100, 3);
 lean_inc(x_129);
-x_130 = lean_ctor_get(x_121, 1);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_121, 2);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_121, 3);
+lean_inc(x_128);
+lean_inc(x_127);
+lean_dec(x_100);
+x_130 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_130, 0, x_94);
+lean_ctor_set(x_130, 1, x_127);
+lean_ctor_set(x_130, 2, x_128);
+lean_ctor_set(x_130, 3, x_129);
+x_131 = lean_st_ref_set(x_6, x_130, x_101);
+x_132 = lean_ctor_get(x_131, 1);
 lean_inc(x_132);
-x_133 = lean_ctor_get(x_121, 4);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_121, 5);
+lean_dec(x_131);
+x_133 = lean_st_ref_take(x_8, x_132);
+x_134 = lean_ctor_get(x_133, 0);
 lean_inc(x_134);
-x_135 = lean_ctor_get(x_121, 6);
+x_135 = lean_ctor_get(x_133, 1);
 lean_inc(x_135);
-x_136 = lean_ctor_get(x_121, 7);
+lean_dec(x_133);
+x_136 = lean_ctor_get(x_134, 0);
 lean_inc(x_136);
-lean_dec(x_121);
-x_137 = !lean_is_exclusive(x_125);
-if (x_137 == 0)
+x_137 = lean_ctor_get(x_134, 3);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_134, 4);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_134, 5);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_134, 6);
+lean_inc(x_140);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
+ lean_ctor_release(x_134, 2);
+ lean_ctor_release(x_134, 3);
+ lean_ctor_release(x_134, 4);
+ lean_ctor_release(x_134, 5);
+ lean_ctor_release(x_134, 6);
+ x_141 = x_134;
+} else {
+ lean_dec_ref(x_134);
+ x_141 = lean_box(0);
+}
+if (lean_is_scalar(x_141)) {
+ x_142 = lean_alloc_ctor(0, 7, 0);
+} else {
+ x_142 = x_141;
+}
+lean_ctor_set(x_142, 0, x_136);
+lean_ctor_set(x_142, 1, x_95);
+lean_ctor_set(x_142, 2, x_96);
+lean_ctor_set(x_142, 3, x_137);
+lean_ctor_set(x_142, 4, x_138);
+lean_ctor_set(x_142, 5, x_139);
+lean_ctor_set(x_142, 6, x_140);
+x_143 = lean_st_ref_set(x_8, x_142, x_135);
+x_144 = lean_ctor_get(x_143, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_143)) {
+ lean_ctor_release(x_143, 0);
+ lean_ctor_release(x_143, 1);
+ x_145 = x_143;
+} else {
+ lean_dec_ref(x_143);
+ x_145 = lean_box(0);
+}
+if (lean_is_scalar(x_145)) {
+ x_146 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_146 = x_145;
+}
+lean_ctor_set(x_146, 0, x_93);
+lean_ctor_set(x_146, 1, x_144);
+x_47 = x_146;
+goto block_67;
+}
+}
+else
 {
-lean_object* x_138; uint8_t x_139; 
-x_138 = lean_ctor_get(x_125, 0);
-lean_dec(x_138);
-x_139 = !lean_is_exclusive(x_127);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
-x_140 = lean_ctor_get(x_127, 7);
-lean_dec(x_140);
-x_141 = lean_ctor_get(x_127, 6);
-lean_dec(x_141);
-x_142 = lean_ctor_get(x_127, 5);
-lean_dec(x_142);
-x_143 = lean_ctor_get(x_127, 4);
-lean_dec(x_143);
-x_144 = lean_ctor_get(x_127, 3);
-lean_dec(x_144);
-x_145 = lean_ctor_get(x_127, 2);
-lean_dec(x_145);
-x_146 = lean_ctor_get(x_127, 1);
-lean_dec(x_146);
-x_147 = lean_ctor_get(x_127, 0);
-lean_dec(x_147);
-lean_ctor_set(x_127, 7, x_136);
-lean_ctor_set(x_127, 6, x_135);
-lean_ctor_set(x_127, 5, x_134);
-lean_ctor_set(x_127, 4, x_133);
-lean_ctor_set(x_127, 3, x_132);
-lean_ctor_set(x_127, 2, x_131);
-lean_ctor_set(x_127, 1, x_130);
-lean_ctor_set(x_127, 0, x_129);
-x_148 = lean_st_ref_set(x_6, x_125, x_128);
-x_149 = lean_ctor_get(x_148, 1);
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; uint8_t x_156; 
+x_147 = lean_ctor_get(x_91, 1);
+lean_inc(x_147);
+lean_dec(x_91);
+x_148 = lean_ctor_get(x_147, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_147, 1);
 lean_inc(x_149);
-lean_dec(x_148);
-x_94 = x_149;
-goto block_120;
-}
-else
-{
-uint8_t x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_150 = lean_ctor_get_uint8(x_127, sizeof(void*)*8);
-lean_dec(x_127);
-x_151 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_151, 0, x_129);
-lean_ctor_set(x_151, 1, x_130);
-lean_ctor_set(x_151, 2, x_131);
-lean_ctor_set(x_151, 3, x_132);
-lean_ctor_set(x_151, 4, x_133);
-lean_ctor_set(x_151, 5, x_134);
-lean_ctor_set(x_151, 6, x_135);
-lean_ctor_set(x_151, 7, x_136);
-lean_ctor_set_uint8(x_151, sizeof(void*)*8, x_150);
-lean_ctor_set(x_125, 0, x_151);
-x_152 = lean_st_ref_set(x_6, x_125, x_128);
-x_153 = lean_ctor_get(x_152, 1);
-lean_inc(x_153);
-lean_dec(x_152);
-x_94 = x_153;
-goto block_120;
-}
-}
-else
-{
-lean_object* x_154; lean_object* x_155; lean_object* x_156; uint8_t x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_154 = lean_ctor_get(x_125, 1);
-x_155 = lean_ctor_get(x_125, 2);
-x_156 = lean_ctor_get(x_125, 3);
-lean_inc(x_156);
-lean_inc(x_155);
+x_150 = lean_ctor_get(x_147, 2);
+lean_inc(x_150);
+lean_dec(x_147);
+x_151 = lean_st_ref_get(x_8, x_85);
+x_152 = lean_ctor_get(x_151, 1);
+lean_inc(x_152);
+lean_dec(x_151);
+x_153 = lean_st_ref_take(x_6, x_152);
+x_154 = lean_ctor_get(x_153, 0);
 lean_inc(x_154);
-lean_dec(x_125);
-x_157 = lean_ctor_get_uint8(x_127, sizeof(void*)*8);
-if (lean_is_exclusive(x_127)) {
- lean_ctor_release(x_127, 0);
- lean_ctor_release(x_127, 1);
- lean_ctor_release(x_127, 2);
- lean_ctor_release(x_127, 3);
- lean_ctor_release(x_127, 4);
- lean_ctor_release(x_127, 5);
- lean_ctor_release(x_127, 6);
- lean_ctor_release(x_127, 7);
- x_158 = x_127;
-} else {
- lean_dec_ref(x_127);
- x_158 = lean_box(0);
-}
-if (lean_is_scalar(x_158)) {
- x_159 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_159 = x_158;
-}
-lean_ctor_set(x_159, 0, x_129);
-lean_ctor_set(x_159, 1, x_130);
-lean_ctor_set(x_159, 2, x_131);
-lean_ctor_set(x_159, 3, x_132);
-lean_ctor_set(x_159, 4, x_133);
-lean_ctor_set(x_159, 5, x_134);
-lean_ctor_set(x_159, 6, x_135);
-lean_ctor_set(x_159, 7, x_136);
-lean_ctor_set_uint8(x_159, sizeof(void*)*8, x_157);
-x_160 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_160, 0, x_159);
-lean_ctor_set(x_160, 1, x_154);
-lean_ctor_set(x_160, 2, x_155);
-lean_ctor_set(x_160, 3, x_156);
-x_161 = lean_st_ref_set(x_6, x_160, x_128);
-x_162 = lean_ctor_get(x_161, 1);
+x_155 = lean_ctor_get(x_153, 1);
+lean_inc(x_155);
+lean_dec(x_153);
+x_156 = !lean_is_exclusive(x_154);
+if (x_156 == 0)
+{
+lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; uint8_t x_163; 
+x_157 = lean_ctor_get(x_154, 0);
+lean_dec(x_157);
+lean_ctor_set(x_154, 0, x_148);
+x_158 = lean_st_ref_set(x_6, x_154, x_155);
+x_159 = lean_ctor_get(x_158, 1);
+lean_inc(x_159);
+lean_dec(x_158);
+x_160 = lean_st_ref_take(x_8, x_159);
+x_161 = lean_ctor_get(x_160, 0);
+lean_inc(x_161);
+x_162 = lean_ctor_get(x_160, 1);
 lean_inc(x_162);
-lean_dec(x_161);
-x_94 = x_162;
-goto block_120;
-}
-}
-else
+lean_dec(x_160);
+x_163 = !lean_is_exclusive(x_161);
+if (x_163 == 0)
 {
-lean_object* x_163; uint8_t x_164; 
-x_163 = lean_ctor_get(x_124, 1);
-lean_inc(x_163);
-lean_dec(x_124);
-x_164 = !lean_is_exclusive(x_121);
-if (x_164 == 0)
-{
-uint8_t x_165; 
-x_165 = !lean_is_exclusive(x_125);
-if (x_165 == 0)
-{
-lean_object* x_166; uint8_t x_167; lean_object* x_168; lean_object* x_169; 
-x_166 = lean_ctor_get(x_125, 0);
+lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; 
+x_164 = lean_ctor_get(x_161, 2);
+lean_dec(x_164);
+x_165 = lean_ctor_get(x_161, 1);
+lean_dec(x_165);
+lean_ctor_set(x_161, 2, x_150);
+lean_ctor_set(x_161, 1, x_149);
+x_166 = lean_st_ref_set(x_8, x_161, x_162);
+x_167 = lean_ctor_get(x_166, 1);
+lean_inc(x_167);
 lean_dec(x_166);
-x_167 = 1;
-lean_ctor_set_uint8(x_121, sizeof(void*)*8, x_167);
-lean_ctor_set(x_125, 0, x_121);
-x_168 = lean_st_ref_set(x_6, x_125, x_163);
-x_169 = lean_ctor_get(x_168, 1);
-lean_inc(x_169);
-lean_dec(x_168);
-x_94 = x_169;
-goto block_120;
+x_168 = l_Lean_MVarId_revert___lambda__2___closed__4;
+x_169 = l_Lean_throwError___at_Lean_MVarId_revert___spec__4(x_168, x_5, x_6, x_7, x_8, x_167);
+x_47 = x_169;
+goto block_67;
 }
 else
 {
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
-x_170 = lean_ctor_get(x_125, 1);
-x_171 = lean_ctor_get(x_125, 2);
-x_172 = lean_ctor_get(x_125, 3);
+lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+x_170 = lean_ctor_get(x_161, 0);
+x_171 = lean_ctor_get(x_161, 3);
+x_172 = lean_ctor_get(x_161, 4);
+x_173 = lean_ctor_get(x_161, 5);
+x_174 = lean_ctor_get(x_161, 6);
+lean_inc(x_174);
+lean_inc(x_173);
 lean_inc(x_172);
 lean_inc(x_171);
 lean_inc(x_170);
-lean_dec(x_125);
-x_173 = 1;
-lean_ctor_set_uint8(x_121, sizeof(void*)*8, x_173);
-x_174 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_174, 0, x_121);
-lean_ctor_set(x_174, 1, x_170);
-lean_ctor_set(x_174, 2, x_171);
-lean_ctor_set(x_174, 3, x_172);
-x_175 = lean_st_ref_set(x_6, x_174, x_163);
-x_176 = lean_ctor_get(x_175, 1);
-lean_inc(x_176);
-lean_dec(x_175);
-x_94 = x_176;
-goto block_120;
+lean_dec(x_161);
+x_175 = lean_alloc_ctor(0, 7, 0);
+lean_ctor_set(x_175, 0, x_170);
+lean_ctor_set(x_175, 1, x_149);
+lean_ctor_set(x_175, 2, x_150);
+lean_ctor_set(x_175, 3, x_171);
+lean_ctor_set(x_175, 4, x_172);
+lean_ctor_set(x_175, 5, x_173);
+lean_ctor_set(x_175, 6, x_174);
+x_176 = lean_st_ref_set(x_8, x_175, x_162);
+x_177 = lean_ctor_get(x_176, 1);
+lean_inc(x_177);
+lean_dec(x_176);
+x_178 = l_Lean_MVarId_revert___lambda__2___closed__4;
+x_179 = l_Lean_throwError___at_Lean_MVarId_revert___spec__4(x_178, x_5, x_6, x_7, x_8, x_177);
+x_47 = x_179;
+goto block_67;
 }
 }
 else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; uint8_t x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; 
-x_177 = lean_ctor_get(x_121, 0);
-x_178 = lean_ctor_get(x_121, 1);
-x_179 = lean_ctor_get(x_121, 2);
-x_180 = lean_ctor_get(x_121, 3);
-x_181 = lean_ctor_get(x_121, 4);
-x_182 = lean_ctor_get(x_121, 5);
-x_183 = lean_ctor_get(x_121, 6);
-x_184 = lean_ctor_get(x_121, 7);
-lean_inc(x_184);
-lean_inc(x_183);
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; 
+x_180 = lean_ctor_get(x_154, 1);
+x_181 = lean_ctor_get(x_154, 2);
+x_182 = lean_ctor_get(x_154, 3);
 lean_inc(x_182);
 lean_inc(x_181);
 lean_inc(x_180);
-lean_inc(x_179);
-lean_inc(x_178);
-lean_inc(x_177);
-lean_dec(x_121);
-x_185 = lean_ctor_get(x_125, 1);
+lean_dec(x_154);
+x_183 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_183, 0, x_148);
+lean_ctor_set(x_183, 1, x_180);
+lean_ctor_set(x_183, 2, x_181);
+lean_ctor_set(x_183, 3, x_182);
+x_184 = lean_st_ref_set(x_6, x_183, x_155);
+x_185 = lean_ctor_get(x_184, 1);
 lean_inc(x_185);
-x_186 = lean_ctor_get(x_125, 2);
-lean_inc(x_186);
-x_187 = lean_ctor_get(x_125, 3);
+lean_dec(x_184);
+x_186 = lean_st_ref_take(x_8, x_185);
+x_187 = lean_ctor_get(x_186, 0);
 lean_inc(x_187);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- lean_ctor_release(x_125, 2);
- lean_ctor_release(x_125, 3);
- x_188 = x_125;
-} else {
- lean_dec_ref(x_125);
- x_188 = lean_box(0);
-}
-x_189 = 1;
-x_190 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_190, 0, x_177);
-lean_ctor_set(x_190, 1, x_178);
-lean_ctor_set(x_190, 2, x_179);
-lean_ctor_set(x_190, 3, x_180);
-lean_ctor_set(x_190, 4, x_181);
-lean_ctor_set(x_190, 5, x_182);
-lean_ctor_set(x_190, 6, x_183);
-lean_ctor_set(x_190, 7, x_184);
-lean_ctor_set_uint8(x_190, sizeof(void*)*8, x_189);
-if (lean_is_scalar(x_188)) {
- x_191 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_191 = x_188;
-}
-lean_ctor_set(x_191, 0, x_190);
-lean_ctor_set(x_191, 1, x_185);
-lean_ctor_set(x_191, 2, x_186);
-lean_ctor_set(x_191, 3, x_187);
-x_192 = lean_st_ref_set(x_6, x_191, x_163);
-x_193 = lean_ctor_get(x_192, 1);
+x_188 = lean_ctor_get(x_186, 1);
+lean_inc(x_188);
+lean_dec(x_186);
+x_189 = lean_ctor_get(x_187, 0);
+lean_inc(x_189);
+x_190 = lean_ctor_get(x_187, 3);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_187, 4);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_187, 5);
+lean_inc(x_192);
+x_193 = lean_ctor_get(x_187, 6);
 lean_inc(x_193);
-lean_dec(x_192);
-x_94 = x_193;
-goto block_120;
-}
-}
-block_120:
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
-x_95 = lean_st_ref_take(x_8, x_94);
-x_96 = lean_ctor_get(x_95, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_95, 1);
-lean_inc(x_97);
-lean_dec(x_95);
-x_98 = !lean_is_exclusive(x_96);
-if (x_98 == 0)
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
-x_99 = lean_ctor_get(x_96, 2);
-lean_dec(x_99);
-x_100 = lean_ctor_get(x_96, 1);
-lean_dec(x_100);
-x_101 = lean_ctor_get(x_93, 1);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_93, 2);
-lean_inc(x_102);
-lean_dec(x_93);
-lean_ctor_set(x_96, 2, x_102);
-lean_ctor_set(x_96, 1, x_101);
-x_103 = lean_st_ref_set(x_8, x_96, x_97);
-x_104 = !lean_is_exclusive(x_103);
-if (x_104 == 0)
-{
-lean_object* x_105; 
-x_105 = lean_ctor_get(x_103, 0);
-lean_dec(x_105);
-lean_ctor_set(x_103, 0, x_92);
-x_47 = x_103;
-goto block_67;
-}
-else
-{
-lean_object* x_106; lean_object* x_107; 
-x_106 = lean_ctor_get(x_103, 1);
-lean_inc(x_106);
-lean_dec(x_103);
-x_107 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_107, 0, x_92);
-lean_ctor_set(x_107, 1, x_106);
-x_47 = x_107;
-goto block_67;
-}
-}
-else
-{
-lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_108 = lean_ctor_get(x_96, 0);
-x_109 = lean_ctor_get(x_96, 3);
-x_110 = lean_ctor_get(x_96, 4);
-x_111 = lean_ctor_get(x_96, 5);
-x_112 = lean_ctor_get(x_96, 6);
-lean_inc(x_112);
-lean_inc(x_111);
-lean_inc(x_110);
-lean_inc(x_109);
-lean_inc(x_108);
-lean_dec(x_96);
-x_113 = lean_ctor_get(x_93, 1);
-lean_inc(x_113);
-x_114 = lean_ctor_get(x_93, 2);
-lean_inc(x_114);
-lean_dec(x_93);
-x_115 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_115, 0, x_108);
-lean_ctor_set(x_115, 1, x_113);
-lean_ctor_set(x_115, 2, x_114);
-lean_ctor_set(x_115, 3, x_109);
-lean_ctor_set(x_115, 4, x_110);
-lean_ctor_set(x_115, 5, x_111);
-lean_ctor_set(x_115, 6, x_112);
-x_116 = lean_st_ref_set(x_8, x_115, x_97);
-x_117 = lean_ctor_get(x_116, 1);
-lean_inc(x_117);
-if (lean_is_exclusive(x_116)) {
- lean_ctor_release(x_116, 0);
- lean_ctor_release(x_116, 1);
- x_118 = x_116;
+if (lean_is_exclusive(x_187)) {
+ lean_ctor_release(x_187, 0);
+ lean_ctor_release(x_187, 1);
+ lean_ctor_release(x_187, 2);
+ lean_ctor_release(x_187, 3);
+ lean_ctor_release(x_187, 4);
+ lean_ctor_release(x_187, 5);
+ lean_ctor_release(x_187, 6);
+ x_194 = x_187;
 } else {
- lean_dec_ref(x_116);
- x_118 = lean_box(0);
+ lean_dec_ref(x_187);
+ x_194 = lean_box(0);
 }
-if (lean_is_scalar(x_118)) {
- x_119 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_194)) {
+ x_195 = lean_alloc_ctor(0, 7, 0);
 } else {
- x_119 = x_118;
+ x_195 = x_194;
 }
-lean_ctor_set(x_119, 0, x_92);
-lean_ctor_set(x_119, 1, x_117);
-x_47 = x_119;
-goto block_67;
-}
-}
-}
-else
-{
-lean_object* x_194; lean_object* x_195; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; uint8_t x_226; 
-x_194 = lean_ctor_get(x_91, 1);
-lean_inc(x_194);
-lean_dec(x_91);
-x_221 = lean_ctor_get(x_194, 0);
-lean_inc(x_221);
-x_222 = lean_st_ref_get(x_8, x_85);
-x_223 = lean_ctor_get(x_222, 1);
-lean_inc(x_223);
-lean_dec(x_222);
-x_224 = lean_st_ref_take(x_6, x_223);
-x_225 = lean_ctor_get(x_224, 0);
-lean_inc(x_225);
-x_226 = lean_ctor_get_uint8(x_221, sizeof(void*)*8);
-if (x_226 == 0)
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; lean_object* x_235; lean_object* x_236; uint8_t x_237; 
-x_227 = lean_ctor_get(x_225, 0);
-lean_inc(x_227);
-x_228 = lean_ctor_get(x_224, 1);
-lean_inc(x_228);
-lean_dec(x_224);
-x_229 = lean_ctor_get(x_221, 0);
-lean_inc(x_229);
-x_230 = lean_ctor_get(x_221, 1);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_221, 2);
-lean_inc(x_231);
-x_232 = lean_ctor_get(x_221, 3);
-lean_inc(x_232);
-x_233 = lean_ctor_get(x_221, 4);
-lean_inc(x_233);
-x_234 = lean_ctor_get(x_221, 5);
-lean_inc(x_234);
-x_235 = lean_ctor_get(x_221, 6);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_221, 7);
-lean_inc(x_236);
-lean_dec(x_221);
-x_237 = !lean_is_exclusive(x_225);
-if (x_237 == 0)
-{
-lean_object* x_238; uint8_t x_239; 
-x_238 = lean_ctor_get(x_225, 0);
-lean_dec(x_238);
-x_239 = !lean_is_exclusive(x_227);
-if (x_239 == 0)
-{
-lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_240 = lean_ctor_get(x_227, 7);
-lean_dec(x_240);
-x_241 = lean_ctor_get(x_227, 6);
-lean_dec(x_241);
-x_242 = lean_ctor_get(x_227, 5);
-lean_dec(x_242);
-x_243 = lean_ctor_get(x_227, 4);
-lean_dec(x_243);
-x_244 = lean_ctor_get(x_227, 3);
-lean_dec(x_244);
-x_245 = lean_ctor_get(x_227, 2);
-lean_dec(x_245);
-x_246 = lean_ctor_get(x_227, 1);
-lean_dec(x_246);
-x_247 = lean_ctor_get(x_227, 0);
-lean_dec(x_247);
-lean_ctor_set(x_227, 7, x_236);
-lean_ctor_set(x_227, 6, x_235);
-lean_ctor_set(x_227, 5, x_234);
-lean_ctor_set(x_227, 4, x_233);
-lean_ctor_set(x_227, 3, x_232);
-lean_ctor_set(x_227, 2, x_231);
-lean_ctor_set(x_227, 1, x_230);
-lean_ctor_set(x_227, 0, x_229);
-x_248 = lean_st_ref_set(x_6, x_225, x_228);
-x_249 = lean_ctor_get(x_248, 1);
-lean_inc(x_249);
-lean_dec(x_248);
-x_195 = x_249;
-goto block_220;
-}
-else
-{
-uint8_t x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; 
-x_250 = lean_ctor_get_uint8(x_227, sizeof(void*)*8);
-lean_dec(x_227);
-x_251 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_251, 0, x_229);
-lean_ctor_set(x_251, 1, x_230);
-lean_ctor_set(x_251, 2, x_231);
-lean_ctor_set(x_251, 3, x_232);
-lean_ctor_set(x_251, 4, x_233);
-lean_ctor_set(x_251, 5, x_234);
-lean_ctor_set(x_251, 6, x_235);
-lean_ctor_set(x_251, 7, x_236);
-lean_ctor_set_uint8(x_251, sizeof(void*)*8, x_250);
-lean_ctor_set(x_225, 0, x_251);
-x_252 = lean_st_ref_set(x_6, x_225, x_228);
-x_253 = lean_ctor_get(x_252, 1);
-lean_inc(x_253);
-lean_dec(x_252);
-x_195 = x_253;
-goto block_220;
-}
-}
-else
-{
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; 
-x_254 = lean_ctor_get(x_225, 1);
-x_255 = lean_ctor_get(x_225, 2);
-x_256 = lean_ctor_get(x_225, 3);
-lean_inc(x_256);
-lean_inc(x_255);
-lean_inc(x_254);
-lean_dec(x_225);
-x_257 = lean_ctor_get_uint8(x_227, sizeof(void*)*8);
-if (lean_is_exclusive(x_227)) {
- lean_ctor_release(x_227, 0);
- lean_ctor_release(x_227, 1);
- lean_ctor_release(x_227, 2);
- lean_ctor_release(x_227, 3);
- lean_ctor_release(x_227, 4);
- lean_ctor_release(x_227, 5);
- lean_ctor_release(x_227, 6);
- lean_ctor_release(x_227, 7);
- x_258 = x_227;
-} else {
- lean_dec_ref(x_227);
- x_258 = lean_box(0);
-}
-if (lean_is_scalar(x_258)) {
- x_259 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_259 = x_258;
-}
-lean_ctor_set(x_259, 0, x_229);
-lean_ctor_set(x_259, 1, x_230);
-lean_ctor_set(x_259, 2, x_231);
-lean_ctor_set(x_259, 3, x_232);
-lean_ctor_set(x_259, 4, x_233);
-lean_ctor_set(x_259, 5, x_234);
-lean_ctor_set(x_259, 6, x_235);
-lean_ctor_set(x_259, 7, x_236);
-lean_ctor_set_uint8(x_259, sizeof(void*)*8, x_257);
-x_260 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_260, 0, x_259);
-lean_ctor_set(x_260, 1, x_254);
-lean_ctor_set(x_260, 2, x_255);
-lean_ctor_set(x_260, 3, x_256);
-x_261 = lean_st_ref_set(x_6, x_260, x_228);
-x_262 = lean_ctor_get(x_261, 1);
-lean_inc(x_262);
-lean_dec(x_261);
-x_195 = x_262;
-goto block_220;
-}
-}
-else
-{
-lean_object* x_263; uint8_t x_264; 
-x_263 = lean_ctor_get(x_224, 1);
-lean_inc(x_263);
-lean_dec(x_224);
-x_264 = !lean_is_exclusive(x_221);
-if (x_264 == 0)
-{
-uint8_t x_265; 
-x_265 = !lean_is_exclusive(x_225);
-if (x_265 == 0)
-{
-lean_object* x_266; uint8_t x_267; lean_object* x_268; lean_object* x_269; 
-x_266 = lean_ctor_get(x_225, 0);
-lean_dec(x_266);
-x_267 = 1;
-lean_ctor_set_uint8(x_221, sizeof(void*)*8, x_267);
-lean_ctor_set(x_225, 0, x_221);
-x_268 = lean_st_ref_set(x_6, x_225, x_263);
-x_269 = lean_ctor_get(x_268, 1);
-lean_inc(x_269);
-lean_dec(x_268);
-x_195 = x_269;
-goto block_220;
-}
-else
-{
-lean_object* x_270; lean_object* x_271; lean_object* x_272; uint8_t x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
-x_270 = lean_ctor_get(x_225, 1);
-x_271 = lean_ctor_get(x_225, 2);
-x_272 = lean_ctor_get(x_225, 3);
-lean_inc(x_272);
-lean_inc(x_271);
-lean_inc(x_270);
-lean_dec(x_225);
-x_273 = 1;
-lean_ctor_set_uint8(x_221, sizeof(void*)*8, x_273);
-x_274 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_274, 0, x_221);
-lean_ctor_set(x_274, 1, x_270);
-lean_ctor_set(x_274, 2, x_271);
-lean_ctor_set(x_274, 3, x_272);
-x_275 = lean_st_ref_set(x_6, x_274, x_263);
-x_276 = lean_ctor_get(x_275, 1);
-lean_inc(x_276);
-lean_dec(x_275);
-x_195 = x_276;
-goto block_220;
-}
-}
-else
-{
-lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; uint8_t x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_277 = lean_ctor_get(x_221, 0);
-x_278 = lean_ctor_get(x_221, 1);
-x_279 = lean_ctor_get(x_221, 2);
-x_280 = lean_ctor_get(x_221, 3);
-x_281 = lean_ctor_get(x_221, 4);
-x_282 = lean_ctor_get(x_221, 5);
-x_283 = lean_ctor_get(x_221, 6);
-x_284 = lean_ctor_get(x_221, 7);
-lean_inc(x_284);
-lean_inc(x_283);
-lean_inc(x_282);
-lean_inc(x_281);
-lean_inc(x_280);
-lean_inc(x_279);
-lean_inc(x_278);
-lean_inc(x_277);
-lean_dec(x_221);
-x_285 = lean_ctor_get(x_225, 1);
-lean_inc(x_285);
-x_286 = lean_ctor_get(x_225, 2);
-lean_inc(x_286);
-x_287 = lean_ctor_get(x_225, 3);
-lean_inc(x_287);
-if (lean_is_exclusive(x_225)) {
- lean_ctor_release(x_225, 0);
- lean_ctor_release(x_225, 1);
- lean_ctor_release(x_225, 2);
- lean_ctor_release(x_225, 3);
- x_288 = x_225;
-} else {
- lean_dec_ref(x_225);
- x_288 = lean_box(0);
-}
-x_289 = 1;
-x_290 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_290, 0, x_277);
-lean_ctor_set(x_290, 1, x_278);
-lean_ctor_set(x_290, 2, x_279);
-lean_ctor_set(x_290, 3, x_280);
-lean_ctor_set(x_290, 4, x_281);
-lean_ctor_set(x_290, 5, x_282);
-lean_ctor_set(x_290, 6, x_283);
-lean_ctor_set(x_290, 7, x_284);
-lean_ctor_set_uint8(x_290, sizeof(void*)*8, x_289);
-if (lean_is_scalar(x_288)) {
- x_291 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_291 = x_288;
-}
-lean_ctor_set(x_291, 0, x_290);
-lean_ctor_set(x_291, 1, x_285);
-lean_ctor_set(x_291, 2, x_286);
-lean_ctor_set(x_291, 3, x_287);
-x_292 = lean_st_ref_set(x_6, x_291, x_263);
-x_293 = lean_ctor_get(x_292, 1);
-lean_inc(x_293);
-lean_dec(x_292);
-x_195 = x_293;
-goto block_220;
-}
-}
-block_220:
-{
-lean_object* x_196; lean_object* x_197; lean_object* x_198; uint8_t x_199; 
-x_196 = lean_st_ref_take(x_8, x_195);
-x_197 = lean_ctor_get(x_196, 0);
+lean_ctor_set(x_195, 0, x_189);
+lean_ctor_set(x_195, 1, x_149);
+lean_ctor_set(x_195, 2, x_150);
+lean_ctor_set(x_195, 3, x_190);
+lean_ctor_set(x_195, 4, x_191);
+lean_ctor_set(x_195, 5, x_192);
+lean_ctor_set(x_195, 6, x_193);
+x_196 = lean_st_ref_set(x_8, x_195, x_188);
+x_197 = lean_ctor_get(x_196, 1);
 lean_inc(x_197);
-x_198 = lean_ctor_get(x_196, 1);
-lean_inc(x_198);
 lean_dec(x_196);
-x_199 = !lean_is_exclusive(x_197);
-if (x_199 == 0)
-{
-lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_200 = lean_ctor_get(x_197, 2);
-lean_dec(x_200);
-x_201 = lean_ctor_get(x_197, 1);
-lean_dec(x_201);
-x_202 = lean_ctor_get(x_194, 1);
-lean_inc(x_202);
-x_203 = lean_ctor_get(x_194, 2);
-lean_inc(x_203);
-lean_dec(x_194);
-lean_ctor_set(x_197, 2, x_203);
-lean_ctor_set(x_197, 1, x_202);
-x_204 = lean_st_ref_set(x_8, x_197, x_198);
-x_205 = lean_ctor_get(x_204, 1);
-lean_inc(x_205);
-lean_dec(x_204);
-x_206 = l_Lean_MVarId_revert___lambda__2___closed__4;
-x_207 = l_Lean_throwError___at_Lean_MVarId_revert___spec__4(x_206, x_5, x_6, x_7, x_8, x_205);
-x_47 = x_207;
+x_198 = l_Lean_MVarId_revert___lambda__2___closed__4;
+x_199 = l_Lean_throwError___at_Lean_MVarId_revert___spec__4(x_198, x_5, x_6, x_7, x_8, x_197);
+x_47 = x_199;
 goto block_67;
 }
-else
-{
-lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; 
-x_208 = lean_ctor_get(x_197, 0);
-x_209 = lean_ctor_get(x_197, 3);
-x_210 = lean_ctor_get(x_197, 4);
-x_211 = lean_ctor_get(x_197, 5);
-x_212 = lean_ctor_get(x_197, 6);
-lean_inc(x_212);
-lean_inc(x_211);
-lean_inc(x_210);
-lean_inc(x_209);
-lean_inc(x_208);
-lean_dec(x_197);
-x_213 = lean_ctor_get(x_194, 1);
-lean_inc(x_213);
-x_214 = lean_ctor_get(x_194, 2);
-lean_inc(x_214);
-lean_dec(x_194);
-x_215 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_215, 0, x_208);
-lean_ctor_set(x_215, 1, x_213);
-lean_ctor_set(x_215, 2, x_214);
-lean_ctor_set(x_215, 3, x_209);
-lean_ctor_set(x_215, 4, x_210);
-lean_ctor_set(x_215, 5, x_211);
-lean_ctor_set(x_215, 6, x_212);
-x_216 = lean_st_ref_set(x_8, x_215, x_198);
-x_217 = lean_ctor_get(x_216, 1);
-lean_inc(x_217);
-lean_dec(x_216);
-x_218 = l_Lean_MVarId_revert___lambda__2___closed__4;
-x_219 = l_Lean_throwError___at_Lean_MVarId_revert___spec__4(x_218, x_5, x_6, x_7, x_8, x_217);
-x_47 = x_219;
-goto block_67;
-}
-}
 }
 block_46:
 {
@@ -1657,143 +1303,143 @@ goto block_46;
 }
 else
 {
-uint8_t x_294; 
+uint8_t x_200; 
 lean_dec(x_30);
 lean_dec(x_29);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_294 = !lean_is_exclusive(x_31);
-if (x_294 == 0)
+x_200 = !lean_is_exclusive(x_31);
+if (x_200 == 0)
 {
 return x_31;
 }
 else
 {
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-x_295 = lean_ctor_get(x_31, 0);
-x_296 = lean_ctor_get(x_31, 1);
-lean_inc(x_296);
-lean_inc(x_295);
+lean_object* x_201; lean_object* x_202; lean_object* x_203; 
+x_201 = lean_ctor_get(x_31, 0);
+x_202 = lean_ctor_get(x_31, 1);
+lean_inc(x_202);
+lean_inc(x_201);
 lean_dec(x_31);
-x_297 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_297, 0, x_295);
-lean_ctor_set(x_297, 1, x_296);
-return x_297;
+x_203 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_203, 0, x_201);
+lean_ctor_set(x_203, 1, x_202);
+return x_203;
 }
 }
 }
 else
 {
-uint8_t x_298; 
+uint8_t x_204; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
-x_298 = !lean_is_exclusive(x_26);
-if (x_298 == 0)
+x_204 = !lean_is_exclusive(x_26);
+if (x_204 == 0)
 {
 return x_26;
 }
 else
 {
-lean_object* x_299; lean_object* x_300; lean_object* x_301; 
-x_299 = lean_ctor_get(x_26, 0);
-x_300 = lean_ctor_get(x_26, 1);
-lean_inc(x_300);
-lean_inc(x_299);
+lean_object* x_205; lean_object* x_206; lean_object* x_207; 
+x_205 = lean_ctor_get(x_26, 0);
+x_206 = lean_ctor_get(x_26, 1);
+lean_inc(x_206);
+lean_inc(x_205);
 lean_dec(x_26);
-x_301 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_301, 0, x_299);
-lean_ctor_set(x_301, 1, x_300);
-return x_301;
+x_207 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_207, 0, x_205);
+lean_ctor_set(x_207, 1, x_206);
+return x_207;
 }
 }
 }
 else
 {
-uint8_t x_302; 
+uint8_t x_208; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_1);
-x_302 = !lean_is_exclusive(x_19);
-if (x_302 == 0)
+x_208 = !lean_is_exclusive(x_19);
+if (x_208 == 0)
 {
 return x_19;
 }
 else
 {
-lean_object* x_303; lean_object* x_304; lean_object* x_305; 
-x_303 = lean_ctor_get(x_19, 0);
-x_304 = lean_ctor_get(x_19, 1);
-lean_inc(x_304);
-lean_inc(x_303);
+lean_object* x_209; lean_object* x_210; lean_object* x_211; 
+x_209 = lean_ctor_get(x_19, 0);
+x_210 = lean_ctor_get(x_19, 1);
+lean_inc(x_210);
+lean_inc(x_209);
 lean_dec(x_19);
-x_305 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_305, 0, x_303);
-lean_ctor_set(x_305, 1, x_304);
-return x_305;
+x_211 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_211, 0, x_209);
+lean_ctor_set(x_211, 1, x_210);
+return x_211;
 }
 }
 }
 else
 {
-uint8_t x_306; 
+uint8_t x_212; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_306 = !lean_is_exclusive(x_16);
-if (x_306 == 0)
+x_212 = !lean_is_exclusive(x_16);
+if (x_212 == 0)
 {
 return x_16;
 }
 else
 {
-lean_object* x_307; lean_object* x_308; lean_object* x_309; 
-x_307 = lean_ctor_get(x_16, 0);
-x_308 = lean_ctor_get(x_16, 1);
-lean_inc(x_308);
-lean_inc(x_307);
+lean_object* x_213; lean_object* x_214; lean_object* x_215; 
+x_213 = lean_ctor_get(x_16, 0);
+x_214 = lean_ctor_get(x_16, 1);
+lean_inc(x_214);
+lean_inc(x_213);
 lean_dec(x_16);
-x_309 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_309, 0, x_307);
-lean_ctor_set(x_309, 1, x_308);
-return x_309;
+x_215 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_215, 0, x_213);
+lean_ctor_set(x_215, 1, x_214);
+return x_215;
 }
 }
 }
 else
 {
-uint8_t x_310; 
+uint8_t x_216; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_310 = !lean_is_exclusive(x_10);
-if (x_310 == 0)
+x_216 = !lean_is_exclusive(x_10);
+if (x_216 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_311; lean_object* x_312; lean_object* x_313; 
-x_311 = lean_ctor_get(x_10, 0);
-x_312 = lean_ctor_get(x_10, 1);
-lean_inc(x_312);
-lean_inc(x_311);
+lean_object* x_217; lean_object* x_218; lean_object* x_219; 
+x_217 = lean_ctor_get(x_10, 0);
+x_218 = lean_ctor_get(x_10, 1);
+lean_inc(x_218);
+lean_inc(x_217);
 lean_dec(x_10);
-x_313 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_313, 0, x_311);
-lean_ctor_set(x_313, 1, x_312);
-return x_313;
+x_219 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_219, 0, x_217);
+lean_ctor_set(x_219, 1, x_218);
+return x_219;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
index 6238923dd2..16ccb8a470 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Main.c
@@ -304,6 +304,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit___at___private_Lean_Meta_Ta
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Meta_Simp_dischargeEqnThmHypothesis_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Simp_getConfig___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_simpTargetCore(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_simp_simpForall___spec__2___closed__4;
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallMetaTelescopeReducingAux(lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -734,7 +735,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simp_simpForall___lambda__1___boxed(le
 static lean_object* l_Lean_Meta_Simp_simp_simpProj___closed__1;
 static lean_object* l_Lean_Meta_Simp_simp_simpProj___closed__2;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Meta_Tactic_Simp_Main_0__Lean_Meta_Simp_reduce___spec__1___closed__2;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simp_trySimpCongrTheorem_x3f___spec__1___closed__2;
@@ -37688,7 +37688,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -38416,7 +38416,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -38716,7 +38716,7 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___at_Lean_Meta_Simp_simp_simpProj___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_115; lean_object* x_116; uint8_t x_117; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
 x_11 = lean_st_ref_get(x_9, x_10);
 x_12 = lean_ctor_get(x_11, 1);
 lean_inc(x_12);
@@ -38730,235 +38730,170 @@ lean_dec(x_13);
 x_16 = lean_ctor_get(x_14, 0);
 lean_inc(x_16);
 lean_dec(x_14);
-x_115 = l_Lean_exprDependsOn___at_Lean_Meta_Simp_simp_simpProj___spec__1___closed__1;
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_16);
-x_117 = l_Lean_Expr_hasFVar(x_1);
-if (x_117 == 0)
+x_17 = l_Lean_exprDependsOn___at_Lean_Meta_Simp_simp_simpProj___spec__1___closed__1;
+lean_inc(x_16);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+x_19 = l_Lean_Expr_hasFVar(x_1);
+if (x_19 == 0)
 {
-uint8_t x_118; 
-x_118 = l_Lean_Expr_hasMVar(x_1);
-if (x_118 == 0)
+uint8_t x_20; 
+x_20 = l_Lean_Expr_hasMVar(x_1);
+if (x_20 == 0)
 {
-uint8_t x_119; 
-lean_dec(x_1);
-x_119 = 0;
-x_17 = x_119;
-x_18 = x_116;
-goto block_114;
-}
-else
-{
-lean_object* x_120; lean_object* x_121; lean_object* x_122; uint8_t x_123; 
-x_120 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_Simp_simp_simpProj___spec__2(x_2, x_1, x_116);
-x_121 = lean_ctor_get(x_120, 0);
-lean_inc(x_121);
-x_122 = lean_ctor_get(x_120, 1);
-lean_inc(x_122);
-lean_dec(x_120);
-x_123 = lean_unbox(x_121);
-lean_dec(x_121);
-x_17 = x_123;
-x_18 = x_122;
-goto block_114;
-}
-}
-else
-{
-lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_124 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_Simp_simp_simpProj___spec__10(x_2, x_1, x_116);
-x_125 = lean_ctor_get(x_124, 0);
-lean_inc(x_125);
-x_126 = lean_ctor_get(x_124, 1);
-lean_inc(x_126);
-lean_dec(x_124);
-x_127 = lean_unbox(x_125);
-lean_dec(x_125);
-x_17 = x_127;
-x_18 = x_126;
-goto block_114;
-}
-block_114:
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
 lean_dec(x_18);
-x_20 = lean_st_ref_get(x_9, x_15);
-x_21 = lean_ctor_get(x_20, 1);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = lean_st_ref_take(x_7, x_21);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get_uint8(x_19, sizeof(void*)*8);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_25 = lean_ctor_get(x_23, 0);
+lean_dec(x_1);
+x_21 = lean_st_ref_get(x_9, x_15);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = lean_st_ref_take(x_7, x_22);
+x_24 = lean_ctor_get(x_23, 0);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_23, 1);
 lean_inc(x_25);
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_ctor_get(x_19, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_19, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_19, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_19, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_19, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_19, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_19, 6);
+lean_dec(x_23);
+x_26 = !lean_is_exclusive(x_24);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_27 = lean_ctor_get(x_24, 0);
+lean_dec(x_27);
+lean_ctor_set(x_24, 0, x_16);
+x_28 = lean_st_ref_set(x_7, x_24, x_25);
+x_29 = !lean_is_exclusive(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; uint8_t x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_28, 0);
+lean_dec(x_30);
+x_31 = 0;
+x_32 = lean_box(x_31);
+lean_ctor_set(x_28, 0, x_32);
+return x_28;
+}
+else
+{
+lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
+x_33 = lean_ctor_get(x_28, 1);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_19, 7);
-lean_inc(x_34);
-lean_dec(x_19);
-x_35 = !lean_is_exclusive(x_23);
-if (x_35 == 0)
+lean_dec(x_28);
+x_34 = 0;
+x_35 = lean_box(x_34);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_33);
+return x_36;
+}
+}
+else
 {
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_23, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_25);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_38 = lean_ctor_get(x_25, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_25, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_25, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_25, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_25, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_25, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_25, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_25, 0);
-lean_dec(x_45);
-lean_ctor_set(x_25, 7, x_34);
-lean_ctor_set(x_25, 6, x_33);
-lean_ctor_set(x_25, 5, x_32);
-lean_ctor_set(x_25, 4, x_31);
-lean_ctor_set(x_25, 3, x_30);
-lean_ctor_set(x_25, 2, x_29);
-lean_ctor_set(x_25, 1, x_28);
-lean_ctor_set(x_25, 0, x_27);
-x_46 = lean_st_ref_set(x_7, x_23, x_26);
-x_47 = !lean_is_exclusive(x_46);
-if (x_47 == 0)
-{
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_46, 0);
-lean_dec(x_48);
-x_49 = lean_box(x_17);
-lean_ctor_set(x_46, 0, x_49);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; 
+x_37 = lean_ctor_get(x_24, 1);
+x_38 = lean_ctor_get(x_24, 2);
+x_39 = lean_ctor_get(x_24, 3);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_24);
+x_40 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_40, 0, x_16);
+lean_ctor_set(x_40, 1, x_37);
+lean_ctor_set(x_40, 2, x_38);
+lean_ctor_set(x_40, 3, x_39);
+x_41 = lean_st_ref_set(x_7, x_40, x_25);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+if (lean_is_exclusive(x_41)) {
+ lean_ctor_release(x_41, 0);
+ lean_ctor_release(x_41, 1);
+ x_43 = x_41;
+} else {
+ lean_dec_ref(x_41);
+ x_43 = lean_box(0);
+}
+x_44 = 0;
+x_45 = lean_box(x_44);
+if (lean_is_scalar(x_43)) {
+ x_46 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_46 = x_43;
+}
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_42);
 return x_46;
 }
+}
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_46, 1);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_16);
+x_47 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_Simp_simp_simpProj___spec__2(x_2, x_1, x_18);
+x_48 = lean_ctor_get(x_47, 1);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 0);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
-lean_dec(x_46);
-x_51 = lean_box(x_17);
-x_52 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_50);
-return x_52;
-}
+lean_dec(x_48);
+x_51 = lean_st_ref_get(x_9, x_15);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+lean_dec(x_51);
+x_53 = lean_st_ref_take(x_7, x_52);
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
+lean_dec(x_53);
+x_56 = !lean_is_exclusive(x_54);
+if (x_56 == 0)
+{
+lean_object* x_57; lean_object* x_58; uint8_t x_59; 
+x_57 = lean_ctor_get(x_54, 0);
+lean_dec(x_57);
+lean_ctor_set(x_54, 0, x_50);
+x_58 = lean_st_ref_set(x_7, x_54, x_55);
+x_59 = !lean_is_exclusive(x_58);
+if (x_59 == 0)
+{
+lean_object* x_60; 
+x_60 = lean_ctor_get(x_58, 0);
+lean_dec(x_60);
+lean_ctor_set(x_58, 0, x_49);
+return x_58;
 }
 else
 {
-uint8_t x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_53 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-lean_dec(x_25);
-x_54 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_54, 0, x_27);
-lean_ctor_set(x_54, 1, x_28);
-lean_ctor_set(x_54, 2, x_29);
-lean_ctor_set(x_54, 3, x_30);
-lean_ctor_set(x_54, 4, x_31);
-lean_ctor_set(x_54, 5, x_32);
-lean_ctor_set(x_54, 6, x_33);
-lean_ctor_set(x_54, 7, x_34);
-lean_ctor_set_uint8(x_54, sizeof(void*)*8, x_53);
-lean_ctor_set(x_23, 0, x_54);
-x_55 = lean_st_ref_set(x_7, x_23, x_26);
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-if (lean_is_exclusive(x_55)) {
- lean_ctor_release(x_55, 0);
- lean_ctor_release(x_55, 1);
- x_57 = x_55;
-} else {
- lean_dec_ref(x_55);
- x_57 = lean_box(0);
-}
-x_58 = lean_box(x_17);
-if (lean_is_scalar(x_57)) {
- x_59 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_59 = x_57;
-}
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set(x_59, 1, x_56);
-return x_59;
-}
-}
-else
-{
-lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_60 = lean_ctor_get(x_23, 1);
-x_61 = lean_ctor_get(x_23, 2);
-x_62 = lean_ctor_get(x_23, 3);
-lean_inc(x_62);
+lean_object* x_61; lean_object* x_62; 
+x_61 = lean_ctor_get(x_58, 1);
 lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_23);
-x_63 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- lean_ctor_release(x_25, 2);
- lean_ctor_release(x_25, 3);
- lean_ctor_release(x_25, 4);
- lean_ctor_release(x_25, 5);
- lean_ctor_release(x_25, 6);
- lean_ctor_release(x_25, 7);
- x_64 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_64 = lean_box(0);
+lean_dec(x_58);
+x_62 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_62, 0, x_49);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
-if (lean_is_scalar(x_64)) {
- x_65 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_65 = x_64;
 }
-lean_ctor_set(x_65, 0, x_27);
-lean_ctor_set(x_65, 1, x_28);
-lean_ctor_set(x_65, 2, x_29);
-lean_ctor_set(x_65, 3, x_30);
-lean_ctor_set(x_65, 4, x_31);
-lean_ctor_set(x_65, 5, x_32);
-lean_ctor_set(x_65, 6, x_33);
-lean_ctor_set(x_65, 7, x_34);
-lean_ctor_set_uint8(x_65, sizeof(void*)*8, x_63);
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_63 = lean_ctor_get(x_54, 1);
+x_64 = lean_ctor_get(x_54, 2);
+x_65 = lean_ctor_get(x_54, 3);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_54);
 x_66 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_60);
-lean_ctor_set(x_66, 2, x_61);
-lean_ctor_set(x_66, 3, x_62);
-x_67 = lean_st_ref_set(x_7, x_66, x_26);
+lean_ctor_set(x_66, 0, x_50);
+lean_ctor_set(x_66, 1, x_63);
+lean_ctor_set(x_66, 2, x_64);
+lean_ctor_set(x_66, 3, x_65);
+x_67 = lean_st_ref_set(x_7, x_66, x_55);
 x_68 = lean_ctor_get(x_67, 1);
 lean_inc(x_68);
 if (lean_is_exclusive(x_67)) {
@@ -38969,176 +38904,103 @@ if (lean_is_exclusive(x_67)) {
  lean_dec_ref(x_67);
  x_69 = lean_box(0);
 }
-x_70 = lean_box(x_17);
 if (lean_is_scalar(x_69)) {
- x_71 = lean_alloc_ctor(0, 2, 0);
+ x_70 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_71 = x_69;
+ x_70 = x_69;
+}
+lean_ctor_set(x_70, 0, x_49);
+lean_ctor_set(x_70, 1, x_68);
+return x_70;
 }
-lean_ctor_set(x_71, 0, x_70);
-lean_ctor_set(x_71, 1, x_68);
-return x_71;
 }
 }
 else
 {
-lean_object* x_72; uint8_t x_73; 
-x_72 = lean_ctor_get(x_22, 1);
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_16);
+x_71 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_Simp_simp_simpProj___spec__10(x_2, x_1, x_18);
+x_72 = lean_ctor_get(x_71, 1);
 lean_inc(x_72);
-lean_dec(x_22);
-x_73 = !lean_is_exclusive(x_19);
-if (x_73 == 0)
-{
-uint8_t x_74; 
-x_74 = !lean_is_exclusive(x_23);
-if (x_74 == 0)
-{
-lean_object* x_75; uint8_t x_76; lean_object* x_77; uint8_t x_78; 
-x_75 = lean_ctor_get(x_23, 0);
+x_73 = lean_ctor_get(x_71, 0);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_ctor_get(x_72, 1);
+lean_inc(x_74);
+lean_dec(x_72);
+x_75 = lean_st_ref_get(x_9, x_15);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
 lean_dec(x_75);
-x_76 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_76);
-lean_ctor_set(x_23, 0, x_19);
-x_77 = lean_st_ref_set(x_7, x_23, x_72);
-x_78 = !lean_is_exclusive(x_77);
-if (x_78 == 0)
-{
-lean_object* x_79; lean_object* x_80; 
-x_79 = lean_ctor_get(x_77, 0);
-lean_dec(x_79);
-x_80 = lean_box(x_17);
-lean_ctor_set(x_77, 0, x_80);
-return x_77;
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_81 = lean_ctor_get(x_77, 1);
-lean_inc(x_81);
+x_77 = lean_st_ref_take(x_7, x_76);
+x_78 = lean_ctor_get(x_77, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_77, 1);
+lean_inc(x_79);
 lean_dec(x_77);
-x_82 = lean_box(x_17);
-x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_81);
-return x_83;
-}
+x_80 = !lean_is_exclusive(x_78);
+if (x_80 == 0)
+{
+lean_object* x_81; lean_object* x_82; uint8_t x_83; 
+x_81 = lean_ctor_get(x_78, 0);
+lean_dec(x_81);
+lean_ctor_set(x_78, 0, x_74);
+x_82 = lean_st_ref_set(x_7, x_78, x_79);
+x_83 = !lean_is_exclusive(x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_82, 0);
+lean_dec(x_84);
+lean_ctor_set(x_82, 0, x_73);
+return x_82;
 }
 else
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_84 = lean_ctor_get(x_23, 1);
-x_85 = lean_ctor_get(x_23, 2);
-x_86 = lean_ctor_get(x_23, 3);
-lean_inc(x_86);
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_82, 1);
 lean_inc(x_85);
-lean_inc(x_84);
-lean_dec(x_23);
-x_87 = 1;
-lean_ctor_set_uint8(x_19, sizeof(void*)*8, x_87);
-x_88 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_88, 0, x_19);
-lean_ctor_set(x_88, 1, x_84);
-lean_ctor_set(x_88, 2, x_85);
-lean_ctor_set(x_88, 3, x_86);
-x_89 = lean_st_ref_set(x_7, x_88, x_72);
-x_90 = lean_ctor_get(x_89, 1);
-lean_inc(x_90);
-if (lean_is_exclusive(x_89)) {
- lean_ctor_release(x_89, 0);
- lean_ctor_release(x_89, 1);
- x_91 = x_89;
-} else {
- lean_dec_ref(x_89);
- x_91 = lean_box(0);
-}
-x_92 = lean_box(x_17);
-if (lean_is_scalar(x_91)) {
- x_93 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_93 = x_91;
-}
-lean_ctor_set(x_93, 0, x_92);
-lean_ctor_set(x_93, 1, x_90);
-return x_93;
+lean_dec(x_82);
+x_86 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_86, 0, x_73);
+lean_ctor_set(x_86, 1, x_85);
+return x_86;
 }
 }
 else
 {
-lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_94 = lean_ctor_get(x_19, 0);
-x_95 = lean_ctor_get(x_19, 1);
-x_96 = lean_ctor_get(x_19, 2);
-x_97 = lean_ctor_get(x_19, 3);
-x_98 = lean_ctor_get(x_19, 4);
-x_99 = lean_ctor_get(x_19, 5);
-x_100 = lean_ctor_get(x_19, 6);
-x_101 = lean_ctor_get(x_19, 7);
-lean_inc(x_101);
-lean_inc(x_100);
-lean_inc(x_99);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
-lean_inc(x_95);
-lean_inc(x_94);
-lean_dec(x_19);
-x_102 = lean_ctor_get(x_23, 1);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_23, 2);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_23, 3);
-lean_inc(x_104);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- lean_ctor_release(x_23, 2);
- lean_ctor_release(x_23, 3);
- x_105 = x_23;
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_87 = lean_ctor_get(x_78, 1);
+x_88 = lean_ctor_get(x_78, 2);
+x_89 = lean_ctor_get(x_78, 3);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_inc(x_87);
+lean_dec(x_78);
+x_90 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_90, 0, x_74);
+lean_ctor_set(x_90, 1, x_87);
+lean_ctor_set(x_90, 2, x_88);
+lean_ctor_set(x_90, 3, x_89);
+x_91 = lean_st_ref_set(x_7, x_90, x_79);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_93 = x_91;
 } else {
- lean_dec_ref(x_23);
- x_105 = lean_box(0);
+ lean_dec_ref(x_91);
+ x_93 = lean_box(0);
 }
-x_106 = 1;
-x_107 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_107, 0, x_94);
-lean_ctor_set(x_107, 1, x_95);
-lean_ctor_set(x_107, 2, x_96);
-lean_ctor_set(x_107, 3, x_97);
-lean_ctor_set(x_107, 4, x_98);
-lean_ctor_set(x_107, 5, x_99);
-lean_ctor_set(x_107, 6, x_100);
-lean_ctor_set(x_107, 7, x_101);
-lean_ctor_set_uint8(x_107, sizeof(void*)*8, x_106);
-if (lean_is_scalar(x_105)) {
- x_108 = lean_alloc_ctor(0, 4, 0);
+if (lean_is_scalar(x_93)) {
+ x_94 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_108 = x_105;
-}
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_102);
-lean_ctor_set(x_108, 2, x_103);
-lean_ctor_set(x_108, 3, x_104);
-x_109 = lean_st_ref_set(x_7, x_108, x_72);
-x_110 = lean_ctor_get(x_109, 1);
-lean_inc(x_110);
-if (lean_is_exclusive(x_109)) {
- lean_ctor_release(x_109, 0);
- lean_ctor_release(x_109, 1);
- x_111 = x_109;
-} else {
- lean_dec_ref(x_109);
- x_111 = lean_box(0);
-}
-x_112 = lean_box(x_17);
-if (lean_is_scalar(x_111)) {
- x_113 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_113 = x_111;
-}
-lean_ctor_set(x_113, 0, x_112);
-lean_ctor_set(x_113, 1, x_110);
-return x_113;
+ x_94 = x_93;
 }
+lean_ctor_set(x_94, 0, x_73);
+lean_ctor_set(x_94, 1, x_92);
+return x_94;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
index 54b0167c0e..d5737017d7 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
@@ -13,25 +13,25 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__6;
-LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4;
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__2;
 static lean_object* l_Lean_Meta_Simp_rewrite_x3f___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_rewrite_x3f___spec__3___closed__8;
+static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
 size_t lean_usize_add(size_t, size_t);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewMCtxDepthImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__3;
-static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
+static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
 LEAN_EXPORT lean_object* l_Array_insertionSort_traverse___at_Lean_Meta_Simp_rewrite_x3f___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
-static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Lean_Name_str___override(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_synthesizeArgs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__4___closed__1;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__5;
@@ -42,12 +42,13 @@ lean_object* l_Lean_Meta_ACLt_lt(lean_object*, lean_object*, lean_object*, lean_
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at_Lean_Meta_Simp_tryTheoremWithExtraArgs_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpMatchCore_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__4;
+LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__6;
 lean_object* lean_array_fswap(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
 lean_object* l_Lean_Meta_SimpTheorem_getName(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewrite_x3f___closed__2;
@@ -56,10 +57,10 @@ uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__3;
 uint8_t l_Lean_Level_hasMVar(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___closed__2;
+static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3;
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constructorApp_x3f(lean_object*, lean_object*);
@@ -73,21 +74,17 @@ lean_object* l_Lean_Expr_appFn_x21(lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__10;
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_Meta_Simp_synthesizeArgs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClass_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3;
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__15;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__2;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore___closed__1;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_postDefault(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___closed__1;
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -116,8 +113,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryRewriteCtorEq_x3f(lean_object*, lea
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2;
-static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_tryTheorem_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__9;
@@ -152,6 +147,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_rewritePre
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__13;
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__14;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__7___closed__1;
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___closed__4;
@@ -176,7 +172,6 @@ lean_object* l_Lean_Expr_sort___override(lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__5;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__1___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteCtorEq_x3f___closed__5;
@@ -197,7 +192,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_
 LEAN_EXPORT lean_object* l_Lean_Meta_getMatcherInfo_x3f___at_Lean_Meta_Simp_simpMatch_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewrite_x3f___closed__1;
 uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -241,6 +235,7 @@ uint8_t l_Lean_Expr_isMVar(lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_simpMatchCore_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__13;
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_preDefault(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -260,7 +255,6 @@ lean_object* l_Lean_instantiateMVarsCore(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Meta_Simp_tryTheoremWithExtraArgs_x3f___spec__1(lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkEqFalse_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -288,6 +282,7 @@ static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_rewrite_x3f___s
 static lean_object* l_Lean_Meta_Simp_rewriteUsingDecide_x3f___closed__16;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__9;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Match_MatcherInfo_numAlts(lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__11;
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
@@ -310,6 +305,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_Tactic_
 static lean_object* l_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___closed__16;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_simpArith_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1;
 LEAN_EXPORT uint8_t l_Lean_Meta_Simp_rewrite_x3f_inErasedSet(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_rewritePre___spec__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Simp_rewrite_x3f_inErasedSet___boxed(lean_object*, lean_object*);
@@ -4375,270 +4371,69 @@ lean_dec(x_2);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_5 = lean_st_ref_get(x_3, x_4);
-x_6 = lean_ctor_get(x_5, 1);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = lean_st_ref_take(x_1, x_6);
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = !lean_is_exclusive(x_8);
-if (x_11 == 0)
-{
-lean_object* x_12; uint8_t x_13; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_dec(x_12);
-x_13 = !lean_is_exclusive(x_9);
-if (x_13 == 0)
-{
-uint8_t x_14; lean_object* x_15; uint8_t x_16; 
-x_14 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
-x_15 = lean_st_ref_set(x_1, x_8, x_10);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; 
-x_17 = lean_ctor_get(x_15, 0);
-lean_dec(x_17);
-x_18 = lean_box(0);
-lean_ctor_set(x_15, 0, x_18);
-return x_15;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_15, 1);
-lean_inc(x_19);
-lean_dec(x_15);
-x_20 = lean_box(0);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_19);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_22 = lean_ctor_get(x_9, 0);
-x_23 = lean_ctor_get(x_9, 1);
-x_24 = lean_ctor_get(x_9, 2);
-x_25 = lean_ctor_get(x_9, 3);
-x_26 = lean_ctor_get(x_9, 4);
-x_27 = lean_ctor_get(x_9, 5);
-x_28 = lean_ctor_get(x_9, 6);
-x_29 = lean_ctor_get(x_9, 7);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_9);
-x_30 = 1;
-x_31 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_31, 0, x_22);
-lean_ctor_set(x_31, 1, x_23);
-lean_ctor_set(x_31, 2, x_24);
-lean_ctor_set(x_31, 3, x_25);
-lean_ctor_set(x_31, 4, x_26);
-lean_ctor_set(x_31, 5, x_27);
-lean_ctor_set(x_31, 6, x_28);
-lean_ctor_set(x_31, 7, x_29);
-lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
-lean_ctor_set(x_8, 0, x_31);
-x_32 = lean_st_ref_set(x_1, x_8, x_10);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_34 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_34 = lean_box(0);
-}
-x_35 = lean_box(0);
-if (lean_is_scalar(x_34)) {
- x_36 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_36 = x_34;
-}
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_33);
-return x_36;
-}
-}
-else
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_37 = lean_ctor_get(x_8, 1);
-x_38 = lean_ctor_get(x_8, 2);
-x_39 = lean_ctor_get(x_8, 3);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_8);
-x_40 = lean_ctor_get(x_9, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_9, 1);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_9, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_9, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_9, 4);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_9, 5);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_9, 6);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_9, 7);
-lean_inc(x_47);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- lean_ctor_release(x_9, 4);
- lean_ctor_release(x_9, 5);
- lean_ctor_release(x_9, 6);
- lean_ctor_release(x_9, 7);
- x_48 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_48 = lean_box(0);
-}
-x_49 = 1;
-if (lean_is_scalar(x_48)) {
- x_50 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_50 = x_48;
-}
-lean_ctor_set(x_50, 0, x_40);
-lean_ctor_set(x_50, 1, x_41);
-lean_ctor_set(x_50, 2, x_42);
-lean_ctor_set(x_50, 3, x_43);
-lean_ctor_set(x_50, 4, x_44);
-lean_ctor_set(x_50, 5, x_45);
-lean_ctor_set(x_50, 6, x_46);
-lean_ctor_set(x_50, 7, x_47);
-lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
-x_51 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_51, 0, x_50);
-lean_ctor_set(x_51, 1, x_37);
-lean_ctor_set(x_51, 2, x_38);
-lean_ctor_set(x_51, 3, x_39);
-x_52 = lean_st_ref_set(x_1, x_51, x_10);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-if (lean_is_exclusive(x_52)) {
- lean_ctor_release(x_52, 0);
- lean_ctor_release(x_52, 1);
- x_54 = x_52;
-} else {
- lean_dec_ref(x_52);
- x_54 = lean_box(0);
-}
-x_55 = lean_box(0);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_56 = x_54;
-}
-lean_ctor_set(x_56, 0, x_55);
-lean_ctor_set(x_56, 1, x_53);
-return x_56;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg___boxed), 4, 0);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_9 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_st_ref_get(x_7, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+x_11 = lean_st_ref_get(x_5, x_10);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_15, 0);
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+lean_dec(x_13);
+lean_inc(x_14);
+x_15 = l_Lean_MetavarContext_getDecl(x_14, x_1);
+x_16 = lean_ctor_get(x_15, 3);
 lean_inc(x_16);
 lean_dec(x_15);
-lean_inc(x_16);
-x_17 = l_Lean_MetavarContext_getDecl(x_16, x_1);
-x_18 = lean_ctor_get(x_17, 3);
-lean_inc(x_18);
+x_17 = lean_ctor_get(x_14, 0);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = lean_nat_dec_eq(x_16, x_17);
 lean_dec(x_17);
-x_19 = lean_ctor_get(x_16, 0);
-lean_inc(x_19);
 lean_dec(x_16);
-x_20 = lean_nat_dec_eq(x_18, x_19);
-lean_dec(x_19);
-lean_dec(x_18);
-x_21 = lean_box(x_20);
-lean_ctor_set(x_13, 0, x_21);
-return x_13;
+x_19 = lean_box(x_18);
+lean_ctor_set(x_11, 0, x_19);
+return x_11;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; 
-x_22 = lean_ctor_get(x_13, 0);
-x_23 = lean_ctor_get(x_13, 1);
-lean_inc(x_23);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
+x_20 = lean_ctor_get(x_11, 0);
+x_21 = lean_ctor_get(x_11, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_11);
+x_22 = lean_ctor_get(x_20, 0);
 lean_inc(x_22);
-lean_dec(x_13);
-x_24 = lean_ctor_get(x_22, 0);
+lean_dec(x_20);
+lean_inc(x_22);
+x_23 = l_Lean_MetavarContext_getDecl(x_22, x_1);
+x_24 = lean_ctor_get(x_23, 3);
 lean_inc(x_24);
+lean_dec(x_23);
+x_25 = lean_ctor_get(x_22, 0);
+lean_inc(x_25);
 lean_dec(x_22);
-lean_inc(x_24);
-x_25 = l_Lean_MetavarContext_getDecl(x_24, x_1);
-x_26 = lean_ctor_get(x_25, 3);
-lean_inc(x_26);
+x_26 = lean_nat_dec_eq(x_24, x_25);
 lean_dec(x_25);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
 lean_dec(x_24);
-x_28 = lean_nat_dec_eq(x_26, x_27);
-lean_dec(x_27);
-lean_dec(x_26);
-x_29 = lean_box(x_28);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_23);
-return x_30;
+x_27 = lean_box(x_26);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_21);
+return x_28;
 }
 }
 }
-static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1() {
+static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -4647,37 +4442,37 @@ x_2 = l_ReaderT_instMonadReaderT___rarg(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2() {
+static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1;
+x_1 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
 x_2 = l_ReaderT_instMonadReaderT___rarg(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3() {
+static lean_object* _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3() {
 _start:
 {
 lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2;
+x_1 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
 x_2 = l_instInhabitedBool;
 x_3 = lean_box(x_2);
 x_4 = l_instInhabited___rarg(x_1, x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3;
+x_9 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
 x_10 = lean_panic_fn(x_9, x_1);
 x_11 = lean_apply_7(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_11;
 }
 }
-static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1() {
+static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4685,7 +4480,7 @@ x_1 = lean_mk_string_from_bytes("Lean.MetavarContext", 19);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2() {
+static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -4693,7 +4488,7 @@ x_1 = lean_mk_string_from_bytes("Lean.isLevelMVarAssignable", 26);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3() {
+static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -4701,126 +4496,122 @@ x_1 = lean_mk_string_from_bytes("unknown universe metavariable", 29);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4() {
+static lean_object* _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_1 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
-x_2 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(361u);
+x_1 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1;
+x_2 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2;
+x_3 = lean_unsigned_to_nat(344u);
 x_4 = lean_unsigned_to_nat(14u);
-x_5 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
+x_5 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_9 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg(x_5, x_6, x_7, x_8);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_st_ref_get(x_7, x_8);
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = lean_st_ref_get(x_7, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_5, x_12);
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+x_11 = lean_st_ref_get(x_5, x_10);
+x_12 = !lean_is_exclusive(x_11);
+if (x_12 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_11, 0);
+x_14 = lean_ctor_get(x_11, 1);
 x_15 = lean_ctor_get(x_13, 0);
-x_16 = lean_ctor_get(x_13, 1);
-x_17 = lean_ctor_get(x_15, 0);
-lean_inc(x_17);
-lean_dec(x_15);
-x_18 = lean_ctor_get(x_17, 2);
-lean_inc(x_18);
-x_19 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_18, x_1);
-if (lean_obj_tag(x_19) == 0)
-{
-lean_object* x_20; lean_object* x_21; 
-lean_dec(x_17);
-lean_free_object(x_13);
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-x_21 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(x_20, x_2, x_3, x_4, x_5, x_6, x_7, x_16);
-return x_21;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_22 = lean_ctor_get(x_19, 0);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_17, 0);
-lean_inc(x_23);
-lean_dec(x_17);
-x_24 = lean_nat_dec_eq(x_22, x_23);
-lean_dec(x_23);
-lean_dec(x_22);
-x_25 = lean_box(x_24);
-lean_ctor_set(x_13, 0, x_25);
-return x_13;
-}
-}
-else
-{
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-x_26 = lean_ctor_get(x_13, 0);
-x_27 = lean_ctor_get(x_13, 1);
-lean_inc(x_27);
-lean_inc(x_26);
+lean_inc(x_15);
 lean_dec(x_13);
-x_28 = lean_ctor_get(x_26, 0);
-lean_inc(x_28);
-lean_dec(x_26);
-x_29 = lean_ctor_get(x_28, 2);
-lean_inc(x_29);
-x_30 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_29, x_1);
-if (lean_obj_tag(x_30) == 0)
+x_16 = lean_ctor_get(x_15, 2);
+lean_inc(x_16);
+x_17 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_16, x_1);
+if (lean_obj_tag(x_17) == 0)
 {
-lean_object* x_31; lean_object* x_32; 
-lean_dec(x_28);
-x_31 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4;
-x_32 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(x_31, x_2, x_3, x_4, x_5, x_6, x_7, x_27);
-return x_32;
+lean_object* x_18; lean_object* x_19; 
+lean_dec(x_15);
+lean_free_object(x_11);
+x_18 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4;
+x_19 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(x_18, x_2, x_3, x_4, x_5, x_6, x_7, x_14);
+return x_19;
 }
 else
 {
-lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; 
+lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; 
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_33 = lean_ctor_get(x_30, 0);
-lean_inc(x_33);
-lean_dec(x_30);
-x_34 = lean_ctor_get(x_28, 0);
-lean_inc(x_34);
+x_20 = lean_ctor_get(x_17, 0);
+lean_inc(x_20);
+lean_dec(x_17);
+x_21 = lean_ctor_get(x_15, 0);
+lean_inc(x_21);
+lean_dec(x_15);
+x_22 = lean_nat_dec_eq(x_20, x_21);
+lean_dec(x_21);
+lean_dec(x_20);
+x_23 = lean_box(x_22);
+lean_ctor_set(x_11, 0, x_23);
+return x_11;
+}
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_24 = lean_ctor_get(x_11, 0);
+x_25 = lean_ctor_get(x_11, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_11);
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+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = lean_ctor_get(x_26, 2);
+lean_inc(x_27);
+x_28 = l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarAssignable___spec__1(x_27, x_1);
+if (lean_obj_tag(x_28) == 0)
+{
+lean_object* x_29; lean_object* x_30; 
+lean_dec(x_26);
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+x_30 = l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(x_29, x_2, x_3, x_4, x_5, x_6, x_7, x_25);
+return x_30;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_31 = lean_ctor_get(x_28, 0);
+lean_inc(x_31);
 lean_dec(x_28);
-x_35 = lean_nat_dec_eq(x_33, x_34);
-lean_dec(x_34);
-lean_dec(x_33);
-x_36 = lean_box(x_35);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_27);
-return x_37;
+x_32 = lean_ctor_get(x_26, 0);
+lean_inc(x_32);
+lean_dec(x_26);
+x_33 = lean_nat_dec_eq(x_31, x_32);
+lean_dec(x_32);
+lean_dec(x_31);
+x_34 = lean_box(x_33);
+x_35 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_35, 0, x_34);
+lean_ctor_set(x_35, 1, x_25);
+return x_35;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 switch (lean_obj_tag(x_1)) {
@@ -4898,7 +4689,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_21 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_21 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(x_14, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 if (lean_obj_tag(x_21) == 0)
 {
 lean_object* x_22; uint8_t x_23; 
@@ -5077,7 +4868,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_50 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(x_43, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_50 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(x_43, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 if (lean_obj_tag(x_50) == 0)
 {
 lean_object* x_51; uint8_t x_52; 
@@ -5217,7 +5008,7 @@ lean_object* x_72; lean_object* x_73;
 x_72 = lean_ctor_get(x_1, 0);
 lean_inc(x_72);
 lean_dec(x_1);
-x_73 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5(x_72, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_73 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(x_72, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_73;
 }
 default: 
@@ -5240,7 +5031,7 @@ return x_76;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -5273,7 +5064,7 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_14 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_14 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 if (lean_obj_tag(x_14) == 0)
 {
 lean_object* x_15; uint8_t x_16; 
@@ -5384,7 +5175,7 @@ lean_object* x_11; lean_object* x_12;
 x_11 = lean_ctor_get(x_1, 0);
 lean_inc(x_11);
 lean_dec(x_1);
-x_12 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4(x_11, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_12 = l_Lean_hasAssignableLevelMVar___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(x_11, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_12;
 }
 case 4:
@@ -5393,7 +5184,7 @@ lean_object* x_13; lean_object* x_14;
 x_13 = lean_ctor_get(x_1, 1);
 lean_inc(x_13);
 lean_dec(x_1);
-x_14 = l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__7(x_13, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_14 = l_List_anyM___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6(x_13, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_14;
 }
 case 5:
@@ -7896,28 +7687,6 @@ return x_108;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___rarg(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__3(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -16747,20 +16516,20 @@ l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___closed__
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Meta_Simp_synthesizeArgs___spec__2___closed__4);
 l_Lean_Meta_Simp_synthesizeArgs___closed__1 = _init_l_Lean_Meta_Simp_synthesizeArgs___closed__1();
 lean_mark_persistent(l_Lean_Meta_Simp_synthesizeArgs___closed__1);
-l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1();
-lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__1);
-l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2();
-lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__2);
-l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3();
-lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__6___closed__3);
-l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1();
-lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1);
-l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2();
-lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2);
-l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3();
-lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3);
-l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4();
-lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__4);
+l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1();
+lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1);
+l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2();
+lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2);
+l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3 = _init_l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3();
+lean_mark_persistent(l_panic___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3);
+l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1();
+lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__1);
+l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2();
+lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__2);
+l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3();
+lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__3);
+l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4 = _init_l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4();
+lean_mark_persistent(l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__4___closed__4);
 l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__1 = _init_l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__1);
 l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2 = _init_l___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___lambda__3___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpCongrTheorems.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpCongrTheorems.c
index 8733c060b0..03e133298d 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpCongrTheorems.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpCongrTheorems.c
@@ -88,7 +88,6 @@ lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Std_PersistentHashMap_getCollisionNodeSize___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_mkSimpCongrTheorem_onlyMVarsAt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Simp_SimpCongrTheorems_0__Lean_Meta_reprSimpCongrTheorems____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_148____spec__13___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
-lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_Tactic_Simp_SimpCongrTheorems_0__Lean_Meta_reprSimpCongrTheorems____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_148____spec__10___rarg(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_Meta_mkSimpCongrTheorem___spec__11___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_mkSimpCongrTheorem___spec__7___closed__9;
@@ -365,6 +364,7 @@ LEAN_EXPORT lean_object* l_Lean_SMap_insert___at_Lean_Meta_addSimpCongrTheoremEn
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_mkSimpCongrTheorem___spec__9___lambda__3___closed__2;
 static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_1826____lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_mkConstWithLevelParams___at_Lean_Meta_mkSimpCongrTheorem___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Tactic_Simp_SimpCongrTheorems_0__Lean_Meta_reprSimpCongrTheorem____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_51____closed__11;
 static lean_object* l___private_Lean_Meta_Tactic_Simp_SimpCongrTheorems_0__Lean_Meta_reprSimpCongrTheorems____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_148____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getSimpCongrTheorems___rarg(lean_object*, lean_object*);
@@ -3633,7 +3633,7 @@ else
 {
 lean_object* x_5; lean_object* x_6; 
 x_5 = l_Lean_Expr_mvarId_x21(x_2);
-x_6 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_1, x_5);
+x_6 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_1, x_5);
 lean_dec(x_5);
 if (lean_obj_tag(x_6) == 0)
 {
@@ -4515,7 +4515,7 @@ lean_object* x_12; lean_object* x_13;
 lean_dec(x_6);
 lean_inc(x_4);
 x_12 = l_Lean_Expr_mvarId_x21(x_4);
-x_13 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_5, x_12);
+x_13 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_5, x_12);
 lean_dec(x_12);
 lean_dec(x_5);
 if (lean_obj_tag(x_13) == 0)
@@ -4944,7 +4944,7 @@ else
 lean_object* x_54; lean_object* x_55; 
 lean_inc(x_15);
 x_54 = l_Lean_Expr_mvarId_x21(x_15);
-x_55 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_31, x_54);
+x_55 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_31, x_54);
 if (lean_obj_tag(x_55) == 0)
 {
 lean_object* x_56; 
@@ -5148,7 +5148,7 @@ else
 lean_object* x_100; lean_object* x_101; 
 lean_inc(x_15);
 x_100 = l_Lean_Expr_mvarId_x21(x_15);
-x_101 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_31, x_100);
+x_101 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_31, x_100);
 if (lean_obj_tag(x_101) == 0)
 {
 lean_object* x_102; 
@@ -5404,7 +5404,7 @@ else
 lean_object* x_155; lean_object* x_156; 
 lean_inc(x_15);
 x_155 = l_Lean_Expr_mvarId_x21(x_15);
-x_156 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_31, x_155);
+x_156 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_31, x_155);
 if (lean_obj_tag(x_156) == 0)
 {
 lean_object* x_157; 
@@ -5677,7 +5677,7 @@ else
 lean_object* x_213; lean_object* x_214; 
 lean_inc(x_15);
 x_213 = l_Lean_Expr_mvarId_x21(x_15);
-x_214 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_191, x_213);
+x_214 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_191, x_213);
 if (lean_obj_tag(x_214) == 0)
 {
 lean_object* x_215; 
@@ -5966,7 +5966,7 @@ else
 lean_object* x_274; lean_object* x_275; 
 lean_inc(x_15);
 x_274 = l_Lean_Expr_mvarId_x21(x_15);
-x_275 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_250, x_274);
+x_275 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_250, x_274);
 if (lean_obj_tag(x_275) == 0)
 {
 lean_object* x_276; 
@@ -6285,7 +6285,7 @@ else
 lean_object* x_53; lean_object* x_54; 
 lean_inc(x_14);
 x_53 = l_Lean_Expr_mvarId_x21(x_14);
-x_54 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_30, x_53);
+x_54 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_30, x_53);
 if (lean_obj_tag(x_54) == 0)
 {
 lean_object* x_55; 
@@ -6489,7 +6489,7 @@ else
 lean_object* x_99; lean_object* x_100; 
 lean_inc(x_14);
 x_99 = l_Lean_Expr_mvarId_x21(x_14);
-x_100 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_30, x_99);
+x_100 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_30, x_99);
 if (lean_obj_tag(x_100) == 0)
 {
 lean_object* x_101; 
@@ -6745,7 +6745,7 @@ else
 lean_object* x_154; lean_object* x_155; 
 lean_inc(x_14);
 x_154 = l_Lean_Expr_mvarId_x21(x_14);
-x_155 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_30, x_154);
+x_155 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_30, x_154);
 if (lean_obj_tag(x_155) == 0)
 {
 lean_object* x_156; 
@@ -7018,7 +7018,7 @@ else
 lean_object* x_212; lean_object* x_213; 
 lean_inc(x_14);
 x_212 = l_Lean_Expr_mvarId_x21(x_14);
-x_213 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_190, x_212);
+x_213 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_190, x_212);
 if (lean_obj_tag(x_213) == 0)
 {
 lean_object* x_214; 
@@ -7307,7 +7307,7 @@ else
 lean_object* x_273; lean_object* x_274; 
 lean_inc(x_14);
 x_273 = l_Lean_Expr_mvarId_x21(x_14);
-x_274 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_249, x_273);
+x_274 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_249, x_273);
 if (lean_obj_tag(x_274) == 0)
 {
 lean_object* x_275; 
@@ -9175,14 +9175,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpCongrTheorem___spec__1
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpCongrTheorem___spec__1___closed__4;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpCongrTheorem___spec__1___closed__5;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpCongrTheorem___spec__1___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -9989,23 +9988,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_1826____lambda__1___closed__10() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_1826____lambda__1___closed__8;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_1826____lambda__1___closed__9;
 x_4 = l_Lean_Meta_SimpCongrTheorems_lemmas___default___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_Simp_SimpCongrTheorems___hyg_1826____lambda__1___closed__11() {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
index a1eabb0c9e..37a98baad2 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/SimpTheorems.c
@@ -10221,14 +10221,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpTheorem___spec__1___cl
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpTheorem___spec__1___closed__4;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpTheorem___spec__1___closed__5;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addSimpTheorem___spec__1___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -11875,23 +11874,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_mkSimpAttr___lambda__1___closed__10() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_mkSimpAttr___lambda__1___closed__8;
 x_3 = l_Lean_Meta_mkSimpAttr___lambda__1___closed__9;
 x_4 = l_Lean_Meta_SimpTheorems_toUnfoldThms___default___closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_mkSimpAttr___lambda__1___closed__11() {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
index 644b3e2b69..1d2dbccbab 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Types.c
@@ -598,6 +598,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
 return x_9;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Split.c b/stage0/stdlib/Lean/Meta/Tactic/Split.c
index 1a904f7ec5..9d92e75c4f 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Split.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Split.c
@@ -11075,6 +11075,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -11170,6 +11171,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -11251,6 +11253,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_22 = !lean_is_exclusive(x_21);
 if (x_22 == 0)
 {
@@ -11346,6 +11349,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_41 = !lean_is_exclusive(x_40);
 if (x_41 == 0)
 {
@@ -11383,6 +11387,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_48 = !lean_is_exclusive(x_47);
 if (x_48 == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
index 61ad792352..488c394210 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/SplitIf.c
@@ -35,6 +35,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_discharge_x3f___boxed(lean_object*,
 static lean_object* l_Lean_Meta_simpIfLocalDecl___closed__4;
 lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at_Lean_Meta_Simp_synthesizeArgs_synthesizeInstance___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+lean_object* l_Lean_MVarId_byCases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_5_(lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_5____lambda__1___closed__6;
@@ -80,7 +81,6 @@ static lean_object* l_Lean_Meta_SplitIf_initFn____x40_Lean_Meta_Tactic_SplitIf__
 static lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Meta_SplitIf_discharge_x3f___spec__3___closed__4;
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfTarget_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_findSomeRevM_x3f_find___at_Lean_Meta_SplitIf_discharge_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_byCases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Expr_instHashableExpr;
 static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___closed__8;
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
@@ -101,7 +101,7 @@ lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1___at_Lean_Meta_splitIfLocalDecl_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1425_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1424_(lean_object*);
 static lean_object* l_Lean_Meta_SplitIf_discharge_x3f___lambda__2___closed__7;
 static lean_object* l_Lean_Meta_SplitIf_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_5____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_splitIfLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -672,14 +672,13 @@ x_1 = l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec_
 x_2 = l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__4;
 x_3 = l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__5;
 x_4 = l_Lean_LazyInitExtension_get___at_Lean_Meta_SplitIf_getSimpContext___spec__1___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -3490,7 +3489,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_SplitIf_splitIfAt_x3f___lambda__1(lean_obje
 _start:
 {
 lean_object* x_10; 
-x_10 = l_Lean_Meta_byCases(x_1, x_2, x_3, x_5, x_6, x_7, x_8, x_9);
+x_10 = l_Lean_MVarId_byCases(x_1, x_2, x_3, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_10) == 0)
 {
 uint8_t x_11; 
@@ -4172,6 +4171,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -4267,6 +4267,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -5163,6 +5164,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -5234,6 +5236,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_30 = !lean_is_exclusive(x_29);
 if (x_30 == 0)
 {
@@ -5297,6 +5300,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -5392,6 +5396,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_33 = !lean_is_exclusive(x_32);
 if (x_33 == 0)
 {
@@ -6123,6 +6128,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_12);
 x_18 = !lean_is_exclusive(x_17);
 if (x_18 == 0)
 {
@@ -6218,6 +6224,7 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
+lean_dec(x_12);
 x_37 = !lean_is_exclusive(x_36);
 if (x_37 == 0)
 {
@@ -6252,7 +6259,7 @@ x_10 = l_Lean_commitWhenSome_x3f___at_Lean_Meta_splitIfLocalDecl_x3f___spec__1__
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1425_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1424_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -6423,7 +6430,7 @@ l_Lean_Meta_simpIfLocalDecl___closed__3 = _init_l_Lean_Meta_simpIfLocalDecl___cl
 lean_mark_persistent(l_Lean_Meta_simpIfLocalDecl___closed__3);
 l_Lean_Meta_simpIfLocalDecl___closed__4 = _init_l_Lean_Meta_simpIfLocalDecl___closed__4();
 lean_mark_persistent(l_Lean_Meta_simpIfLocalDecl___closed__4);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1425_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_Tactic_SplitIf___hyg_1424_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Subst.c b/stage0/stdlib/Lean/Meta/Tactic/Subst.c
index aabe138bc2..17e1efde06 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Subst.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Subst.c
@@ -10119,6 +10119,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_20 = !lean_is_exclusive(x_19);
 if (x_20 == 0)
 {
@@ -10204,6 +10205,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -10297,6 +10299,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_20 = !lean_is_exclusive(x_19);
 if (x_20 == 0)
 {
@@ -10382,6 +10385,7 @@ lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
+lean_dec(x_13);
 x_25 = !lean_is_exclusive(x_24);
 if (x_25 == 0)
 {
diff --git a/stage0/stdlib/Lean/Meta/UnificationHint.c b/stage0/stdlib/Lean/Meta/UnificationHint.c
index 77b0786657..046b2e5fba 100644
--- a/stage0/stdlib/Lean/Meta/UnificationHint.c
+++ b/stage0/stdlib/Lean/Meta/UnificationHint.c
@@ -313,6 +313,7 @@ uint64_t l_Lean_Meta_DiscrTree_Key_hash(lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_getResetTraces___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__7___rarg(lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at_Lean_Meta_instToFormatUnificationHints___spec__3___closed__3;
 static lean_object* l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__1;
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
 lean_object* l_Lean_Meta_DiscrTree_instInhabitedTrie(lean_object*);
 static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_UnificationHint___hyg_764____closed__7;
 LEAN_EXPORT lean_object* l_Lean_Meta_unificationHintExtension;
@@ -3477,14 +3478,13 @@ x_1 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addUnificationHint___spec__1_
 x_2 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addUnificationHint___spec__1___closed__5;
 x_3 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addUnificationHint___spec__1___closed__6;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addUnificationHint___spec__1___closed__9;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -4476,23 +4476,21 @@ return x_3;
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_UnificationHint___hyg_764____lambda__1___closed__10() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Meta_initFn____x40_Lean_Meta_UnificationHint___hyg_764____lambda__1___closed__8;
 x_3 = l_Lean_Meta_initFn____x40_Lean_Meta_UnificationHint___hyg_764____lambda__1___closed__9;
 x_4 = l_Lean_ScopedEnvExtension_add___at_Lean_Meta_addUnificationHint___spec__1___closed__1;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Meta_initFn____x40_Lean_Meta_UnificationHint___hyg_764____lambda__1___closed__11() {
@@ -6889,21 +6887,33 @@ return x_136;
 static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("trying hint ", 12);
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_instInhabitedUnificationHints___closed__2;
+x_2 = lean_unsigned_to_nat(0u);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
 }
 }
 static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__2() {
 _start:
 {
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("trying hint ", 12);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__2;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3() {
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -6911,16 +6921,16 @@ x_1 = lean_mk_string_from_bytes(" at ", 4);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__4() {
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__4;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5() {
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6() {
 _start:
 {
 lean_object* x_1; 
@@ -6928,11 +6938,11 @@ x_1 = lean_mk_string_from_bytes(" =?= ", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6() {
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
@@ -6940,345 +6950,1112 @@ return x_2;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_25; lean_object* x_26; uint8_t x_65; lean_object* x_66; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_11 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+x_14 = lean_st_ref_get(x_9, x_13);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
 lean_dec(x_14);
-x_97 = lean_st_ref_get(x_9, x_16);
-x_98 = lean_ctor_get(x_97, 0);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_98, 3);
-lean_inc(x_99);
-lean_dec(x_98);
-x_100 = lean_ctor_get_uint8(x_99, sizeof(void*)*1);
-lean_dec(x_99);
-if (x_100 == 0)
-{
-lean_object* x_101; uint8_t x_102; 
-x_101 = lean_ctor_get(x_97, 1);
-lean_inc(x_101);
-lean_dec(x_97);
-x_102 = 0;
-x_65 = x_102;
-x_66 = x_101;
-goto block_96;
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_103 = lean_ctor_get(x_97, 1);
-lean_inc(x_103);
-lean_dec(x_97);
-lean_inc(x_4);
-x_104 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_103);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
-lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
-lean_dec(x_105);
-x_65 = x_107;
-x_66 = x_106;
-goto block_96;
-}
-block_24:
-{
-lean_object* x_19; uint8_t x_20; 
-x_19 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_18);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_20 = !lean_is_exclusive(x_19);
+x_16 = lean_st_ref_take(x_7, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = !lean_is_exclusive(x_17);
 if (x_20 == 0)
 {
-lean_object* x_21; 
-x_21 = lean_ctor_get(x_19, 0);
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_17, 1);
 lean_dec(x_21);
-lean_ctor_set_tag(x_19, 1);
-lean_ctor_set(x_19, 0, x_17);
-return x_19;
-}
-else
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_17);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-block_64:
-{
-if (x_25 == 0)
-{
-lean_object* x_27; uint8_t x_28; 
-lean_dec(x_15);
-x_27 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_26);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_38; lean_object* x_39; uint8_t x_78; lean_object* x_79; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_23 = lean_ctor_get(x_18, 5);
+lean_dec(x_23);
+x_24 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+lean_ctor_set(x_18, 5, x_24);
+x_25 = lean_st_ref_set(x_7, x_17, x_19);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_26);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
 lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
+x_110 = lean_st_ref_get(x_9, x_29);
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_111, 3);
+lean_inc(x_112);
+lean_dec(x_111);
+x_113 = lean_ctor_get_uint8(x_112, sizeof(void*)*1);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; uint8_t x_115; 
+x_114 = lean_ctor_get(x_110, 1);
+lean_inc(x_114);
+lean_dec(x_110);
+x_115 = 0;
+x_78 = x_115;
+x_79 = x_114;
+goto block_109;
 }
 else
 {
-uint8_t x_36; lean_object* x_37; 
-x_36 = 0;
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_37 = l_Lean_Meta_processPostponed(x_5, x_36, x_6, x_7, x_8, x_9, x_26);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
-lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-lean_dec(x_15);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_40);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-x_44 = lean_box(x_36);
-lean_ctor_set(x_41, 0, x_44);
-return x_41;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-x_46 = lean_box(x_36);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_45);
-return x_47;
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_dec(x_12);
-x_48 = lean_ctor_get(x_37, 1);
-lean_inc(x_48);
-lean_dec(x_37);
-x_49 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Std_PersistentArray_append___rarg(x_15, x_50);
-x_53 = l_Lean_Meta_setPostponed(x_52, x_6, x_7, x_8, x_9, x_51);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
-{
-lean_object* x_55; uint8_t x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_53, 0);
-lean_dec(x_55);
-x_56 = 1;
-x_57 = lean_box(x_56);
-lean_ctor_set(x_53, 0, x_57);
-return x_53;
-}
-else
-{
-lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_53, 1);
-lean_inc(x_58);
-lean_dec(x_53);
-x_59 = 1;
-x_60 = lean_box(x_59);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
-}
-}
-}
-else
-{
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_15);
-x_62 = lean_ctor_get(x_37, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_37, 1);
-lean_inc(x_63);
-lean_dec(x_37);
-x_17 = x_62;
-x_18 = x_63;
-goto block_24;
-}
-}
-}
-block_96:
-{
-if (x_65 == 0)
-{
-lean_object* x_67; lean_object* x_68; 
-x_67 = lean_box(0);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_68 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_67, x_6, x_7, x_8, x_9, x_66);
-if (lean_obj_tag(x_68) == 0)
-{
-lean_object* x_69; lean_object* x_70; uint8_t x_71; 
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_68, 1);
-lean_inc(x_70);
-lean_dec(x_68);
-x_71 = lean_unbox(x_69);
-lean_dec(x_69);
-x_25 = x_71;
-x_26 = x_70;
-goto block_64;
-}
-else
-{
-lean_object* x_72; lean_object* x_73; 
-lean_dec(x_15);
-x_72 = lean_ctor_get(x_68, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_68, 1);
-lean_inc(x_73);
-lean_dec(x_68);
-x_17 = x_72;
-x_18 = x_73;
-goto block_24;
-}
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-lean_inc(x_3);
-x_74 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_74, 0, x_3);
-x_75 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__2;
-x_76 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_74);
-x_77 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__4;
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-lean_inc(x_1);
-x_79 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_79, 0, x_1);
-x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-x_81 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6;
-x_82 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_82, 0, x_80);
-lean_ctor_set(x_82, 1, x_81);
-lean_inc(x_2);
-x_83 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_83, 0, x_2);
-x_84 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-x_85 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
-x_86 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_86, 0, x_84);
-lean_ctor_set(x_86, 1, x_85);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_116 = lean_ctor_get(x_110, 1);
+lean_inc(x_116);
+lean_dec(x_110);
 lean_inc(x_4);
-x_87 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_86, x_6, x_7, x_8, x_9, x_66);
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
+x_117 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_116);
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = lean_unbox(x_118);
+lean_dec(x_118);
+x_78 = x_120;
+x_79 = x_119;
+goto block_109;
+}
+block_37:
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_31);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+block_77:
+{
+if (x_38 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+lean_dec(x_28);
+x_40 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_39);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
+}
+else
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_45);
+return x_48;
+}
+}
+else
+{
+uint8_t x_49; lean_object* x_50; 
+x_49 = 0;
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_90 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_88, x_6, x_7, x_8, x_9, x_89);
-if (lean_obj_tag(x_90) == 0)
+x_50 = l_Lean_Meta_processPostponed(x_5, x_49, x_6, x_7, x_8, x_9, x_39);
+if (lean_obj_tag(x_50) == 0)
 {
-lean_object* x_91; lean_object* x_92; uint8_t x_93; 
-x_91 = lean_ctor_get(x_90, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_90, 1);
-lean_inc(x_92);
-lean_dec(x_90);
-x_93 = lean_unbox(x_91);
-lean_dec(x_91);
-x_25 = x_93;
-x_26 = x_92;
-goto block_64;
+lean_object* x_51; uint8_t x_52; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_unbox(x_51);
+lean_dec(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_28);
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_53);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+x_57 = lean_box(x_49);
+lean_ctor_set(x_54, 0, x_57);
+return x_54;
 }
 else
 {
-lean_object* x_94; lean_object* x_95; 
-lean_dec(x_15);
-x_94 = lean_ctor_get(x_90, 0);
-lean_inc(x_94);
-x_95 = lean_ctor_get(x_90, 1);
-lean_inc(x_95);
-lean_dec(x_90);
-x_17 = x_94;
-x_18 = x_95;
-goto block_24;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_54, 1);
+lean_inc(x_58);
+lean_dec(x_54);
+x_59 = lean_box(x_49);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+lean_dec(x_12);
+x_61 = lean_ctor_get(x_50, 1);
+lean_inc(x_61);
+lean_dec(x_50);
+x_62 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_61);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = l_Std_PersistentArray_append___rarg(x_28, x_63);
+x_66 = l_Lean_Meta_setPostponed(x_65, x_6, x_7, x_8, x_9, x_64);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_67 = !lean_is_exclusive(x_66);
+if (x_67 == 0)
+{
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+x_69 = 1;
+x_70 = lean_box(x_69);
+lean_ctor_set(x_66, 0, x_70);
+return x_66;
+}
+else
+{
+lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_66, 1);
+lean_inc(x_71);
+lean_dec(x_66);
+x_72 = 1;
+x_73 = lean_box(x_72);
+x_74 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_28);
+x_75 = lean_ctor_get(x_50, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_50, 1);
+lean_inc(x_76);
+lean_dec(x_50);
+x_30 = x_75;
+x_31 = x_76;
+goto block_37;
+}
+}
+}
+block_109:
+{
+if (x_78 == 0)
+{
+lean_object* x_80; lean_object* x_81; 
+x_80 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_81 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_80, x_6, x_7, x_8, x_9, x_79);
+if (lean_obj_tag(x_81) == 0)
+{
+lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_81, 1);
+lean_inc(x_83);
+lean_dec(x_81);
+x_84 = lean_unbox(x_82);
+lean_dec(x_82);
+x_38 = x_84;
+x_39 = x_83;
+goto block_77;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; 
+lean_dec(x_28);
+x_85 = lean_ctor_get(x_81, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_81, 1);
+lean_inc(x_86);
+lean_dec(x_81);
+x_30 = x_85;
+x_31 = x_86;
+goto block_37;
+}
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+lean_inc(x_3);
+x_87 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_87, 0, x_3);
+x_88 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_89 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_87);
+x_90 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_91 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_91, 0, x_89);
+lean_ctor_set(x_91, 1, x_90);
+lean_inc(x_1);
+x_92 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_92, 0, x_1);
+x_93 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+x_94 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_95 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_95, 0, x_93);
+lean_ctor_set(x_95, 1, x_94);
+lean_inc(x_2);
+x_96 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_96, 0, x_2);
+x_97 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+x_98 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_99 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_99, 0, x_97);
+lean_ctor_set(x_99, 1, x_98);
+lean_inc(x_4);
+x_100 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_99, x_6, x_7, x_8, x_9, x_79);
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+lean_dec(x_100);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_103 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_101, x_6, x_7, x_8, x_9, x_102);
+if (lean_obj_tag(x_103) == 0)
+{
+lean_object* x_104; lean_object* x_105; uint8_t x_106; 
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
+x_106 = lean_unbox(x_104);
+lean_dec(x_104);
+x_38 = x_106;
+x_39 = x_105;
+goto block_77;
+}
+else
+{
+lean_object* x_107; lean_object* x_108; 
+lean_dec(x_28);
+x_107 = lean_ctor_get(x_103, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_103, 1);
+lean_inc(x_108);
+lean_dec(x_103);
+x_30 = x_107;
+x_31 = x_108;
+goto block_37;
+}
+}
+}
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_140; lean_object* x_141; uint8_t x_172; lean_object* x_173; lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_121 = lean_ctor_get(x_18, 0);
+x_122 = lean_ctor_get(x_18, 1);
+x_123 = lean_ctor_get(x_18, 2);
+x_124 = lean_ctor_get(x_18, 3);
+x_125 = lean_ctor_get(x_18, 4);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_dec(x_18);
+x_126 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+x_127 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_127, 0, x_121);
+lean_ctor_set(x_127, 1, x_122);
+lean_ctor_set(x_127, 2, x_123);
+lean_ctor_set(x_127, 3, x_124);
+lean_ctor_set(x_127, 4, x_125);
+lean_ctor_set(x_127, 5, x_126);
+lean_ctor_set(x_17, 1, x_127);
+x_128 = lean_st_ref_set(x_7, x_17, x_19);
+x_129 = lean_ctor_get(x_128, 1);
+lean_inc(x_129);
+lean_dec(x_128);
+x_130 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_129);
+x_131 = lean_ctor_get(x_130, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_130, 1);
+lean_inc(x_132);
+lean_dec(x_130);
+x_204 = lean_st_ref_get(x_9, x_132);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_205, 3);
+lean_inc(x_206);
+lean_dec(x_205);
+x_207 = lean_ctor_get_uint8(x_206, sizeof(void*)*1);
+lean_dec(x_206);
+if (x_207 == 0)
+{
+lean_object* x_208; uint8_t x_209; 
+x_208 = lean_ctor_get(x_204, 1);
+lean_inc(x_208);
+lean_dec(x_204);
+x_209 = 0;
+x_172 = x_209;
+x_173 = x_208;
+goto block_203;
+}
+else
+{
+lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; uint8_t x_214; 
+x_210 = lean_ctor_get(x_204, 1);
+lean_inc(x_210);
+lean_dec(x_204);
+lean_inc(x_4);
+x_211 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_210);
+x_212 = lean_ctor_get(x_211, 0);
+lean_inc(x_212);
+x_213 = lean_ctor_get(x_211, 1);
+lean_inc(x_213);
+lean_dec(x_211);
+x_214 = lean_unbox(x_212);
+lean_dec(x_212);
+x_172 = x_214;
+x_173 = x_213;
+goto block_203;
+}
+block_139:
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_135 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_134);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_138 = x_137;
+ lean_ctor_set_tag(x_138, 1);
+}
+lean_ctor_set(x_138, 0, x_133);
+lean_ctor_set(x_138, 1, x_136);
+return x_138;
+}
+block_171:
+{
+if (x_140 == 0)
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; lean_object* x_146; lean_object* x_147; 
+lean_dec(x_131);
+x_142 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_141);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_143 = lean_ctor_get(x_142, 1);
+lean_inc(x_143);
+if (lean_is_exclusive(x_142)) {
+ lean_ctor_release(x_142, 0);
+ lean_ctor_release(x_142, 1);
+ x_144 = x_142;
+} else {
+ lean_dec_ref(x_142);
+ x_144 = lean_box(0);
+}
+x_145 = 0;
+x_146 = lean_box(x_145);
+if (lean_is_scalar(x_144)) {
+ x_147 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_147 = x_144;
+}
+lean_ctor_set(x_147, 0, x_146);
+lean_ctor_set(x_147, 1, x_143);
+return x_147;
+}
+else
+{
+uint8_t x_148; lean_object* x_149; 
+x_148 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_149 = l_Lean_Meta_processPostponed(x_5, x_148, x_6, x_7, x_8, x_9, x_141);
+if (lean_obj_tag(x_149) == 0)
+{
+lean_object* x_150; uint8_t x_151; 
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_unbox(x_150);
+lean_dec(x_150);
+if (x_151 == 0)
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+lean_dec(x_131);
+x_152 = lean_ctor_get(x_149, 1);
+lean_inc(x_152);
+lean_dec(x_149);
+x_153 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_152);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_154 = lean_ctor_get(x_153, 1);
+lean_inc(x_154);
+if (lean_is_exclusive(x_153)) {
+ lean_ctor_release(x_153, 0);
+ lean_ctor_release(x_153, 1);
+ x_155 = x_153;
+} else {
+ lean_dec_ref(x_153);
+ x_155 = lean_box(0);
+}
+x_156 = lean_box(x_148);
+if (lean_is_scalar(x_155)) {
+ x_157 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_157 = x_155;
+}
+lean_ctor_set(x_157, 0, x_156);
+lean_ctor_set(x_157, 1, x_154);
+return x_157;
+}
+else
+{
+lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_12);
+x_158 = lean_ctor_get(x_149, 1);
+lean_inc(x_158);
+lean_dec(x_149);
+x_159 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_158);
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_159, 1);
+lean_inc(x_161);
+lean_dec(x_159);
+x_162 = l_Std_PersistentArray_append___rarg(x_131, x_160);
+x_163 = l_Lean_Meta_setPostponed(x_162, x_6, x_7, x_8, x_9, x_161);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 1;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+}
+else
+{
+lean_object* x_169; lean_object* x_170; 
+lean_dec(x_131);
+x_169 = lean_ctor_get(x_149, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_149, 1);
+lean_inc(x_170);
+lean_dec(x_149);
+x_133 = x_169;
+x_134 = x_170;
+goto block_139;
+}
+}
+}
+block_203:
+{
+if (x_172 == 0)
+{
+lean_object* x_174; lean_object* x_175; 
+x_174 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_175 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_174, x_6, x_7, x_8, x_9, x_173);
+if (lean_obj_tag(x_175) == 0)
+{
+lean_object* x_176; lean_object* x_177; uint8_t x_178; 
+x_176 = lean_ctor_get(x_175, 0);
+lean_inc(x_176);
+x_177 = lean_ctor_get(x_175, 1);
+lean_inc(x_177);
+lean_dec(x_175);
+x_178 = lean_unbox(x_176);
+lean_dec(x_176);
+x_140 = x_178;
+x_141 = x_177;
+goto block_171;
+}
+else
+{
+lean_object* x_179; lean_object* x_180; 
+lean_dec(x_131);
+x_179 = lean_ctor_get(x_175, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_175, 1);
+lean_inc(x_180);
+lean_dec(x_175);
+x_133 = x_179;
+x_134 = x_180;
+goto block_139;
+}
+}
+else
+{
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
+lean_inc(x_3);
+x_181 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_181, 0, x_3);
+x_182 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_183 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_183, 0, x_182);
+lean_ctor_set(x_183, 1, x_181);
+x_184 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_185 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_185, 0, x_183);
+lean_ctor_set(x_185, 1, x_184);
+lean_inc(x_1);
+x_186 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_186, 0, x_1);
+x_187 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_187, 0, x_185);
+lean_ctor_set(x_187, 1, x_186);
+x_188 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_189 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_189, 0, x_187);
+lean_ctor_set(x_189, 1, x_188);
+lean_inc(x_2);
+x_190 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_190, 0, x_2);
+x_191 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_191, 0, x_189);
+lean_ctor_set(x_191, 1, x_190);
+x_192 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_193 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_193, 0, x_191);
+lean_ctor_set(x_193, 1, x_192);
+lean_inc(x_4);
+x_194 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_193, x_6, x_7, x_8, x_9, x_173);
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_194, 1);
+lean_inc(x_196);
+lean_dec(x_194);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_197 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_195, x_6, x_7, x_8, x_9, x_196);
+if (lean_obj_tag(x_197) == 0)
+{
+lean_object* x_198; lean_object* x_199; uint8_t x_200; 
+x_198 = lean_ctor_get(x_197, 0);
+lean_inc(x_198);
+x_199 = lean_ctor_get(x_197, 1);
+lean_inc(x_199);
+lean_dec(x_197);
+x_200 = lean_unbox(x_198);
+lean_dec(x_198);
+x_140 = x_200;
+x_141 = x_199;
+goto block_171;
+}
+else
+{
+lean_object* x_201; lean_object* x_202; 
+lean_dec(x_131);
+x_201 = lean_ctor_get(x_197, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_197, 1);
+lean_inc(x_202);
+lean_dec(x_197);
+x_133 = x_201;
+x_134 = x_202;
+goto block_139;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; uint8_t x_239; lean_object* x_240; uint8_t x_271; lean_object* x_272; lean_object* x_303; lean_object* x_304; lean_object* x_305; uint8_t x_306; 
+x_215 = lean_ctor_get(x_17, 0);
+x_216 = lean_ctor_get(x_17, 2);
+x_217 = lean_ctor_get(x_17, 3);
+lean_inc(x_217);
+lean_inc(x_216);
+lean_inc(x_215);
+lean_dec(x_17);
+x_218 = lean_ctor_get(x_18, 0);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_18, 1);
+lean_inc(x_219);
+x_220 = lean_ctor_get(x_18, 2);
+lean_inc(x_220);
+x_221 = lean_ctor_get(x_18, 3);
+lean_inc(x_221);
+x_222 = lean_ctor_get(x_18, 4);
+lean_inc(x_222);
+if (lean_is_exclusive(x_18)) {
+ lean_ctor_release(x_18, 0);
+ lean_ctor_release(x_18, 1);
+ lean_ctor_release(x_18, 2);
+ lean_ctor_release(x_18, 3);
+ lean_ctor_release(x_18, 4);
+ lean_ctor_release(x_18, 5);
+ x_223 = x_18;
+} else {
+ lean_dec_ref(x_18);
+ x_223 = lean_box(0);
+}
+x_224 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+if (lean_is_scalar(x_223)) {
+ x_225 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_225 = x_223;
+}
+lean_ctor_set(x_225, 0, x_218);
+lean_ctor_set(x_225, 1, x_219);
+lean_ctor_set(x_225, 2, x_220);
+lean_ctor_set(x_225, 3, x_221);
+lean_ctor_set(x_225, 4, x_222);
+lean_ctor_set(x_225, 5, x_224);
+x_226 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_226, 0, x_215);
+lean_ctor_set(x_226, 1, x_225);
+lean_ctor_set(x_226, 2, x_216);
+lean_ctor_set(x_226, 3, x_217);
+x_227 = lean_st_ref_set(x_7, x_226, x_19);
+x_228 = lean_ctor_get(x_227, 1);
+lean_inc(x_228);
+lean_dec(x_227);
+x_229 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_228);
+x_230 = lean_ctor_get(x_229, 0);
+lean_inc(x_230);
+x_231 = lean_ctor_get(x_229, 1);
+lean_inc(x_231);
+lean_dec(x_229);
+x_303 = lean_st_ref_get(x_9, x_231);
+x_304 = lean_ctor_get(x_303, 0);
+lean_inc(x_304);
+x_305 = lean_ctor_get(x_304, 3);
+lean_inc(x_305);
+lean_dec(x_304);
+x_306 = lean_ctor_get_uint8(x_305, sizeof(void*)*1);
+lean_dec(x_305);
+if (x_306 == 0)
+{
+lean_object* x_307; uint8_t x_308; 
+x_307 = lean_ctor_get(x_303, 1);
+lean_inc(x_307);
+lean_dec(x_303);
+x_308 = 0;
+x_271 = x_308;
+x_272 = x_307;
+goto block_302;
+}
+else
+{
+lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; uint8_t x_313; 
+x_309 = lean_ctor_get(x_303, 1);
+lean_inc(x_309);
+lean_dec(x_303);
+lean_inc(x_4);
+x_310 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_309);
+x_311 = lean_ctor_get(x_310, 0);
+lean_inc(x_311);
+x_312 = lean_ctor_get(x_310, 1);
+lean_inc(x_312);
+lean_dec(x_310);
+x_313 = lean_unbox(x_311);
+lean_dec(x_311);
+x_271 = x_313;
+x_272 = x_312;
+goto block_302;
+}
+block_238:
+{
+lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; 
+x_234 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_233);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_235 = lean_ctor_get(x_234, 1);
+lean_inc(x_235);
+if (lean_is_exclusive(x_234)) {
+ lean_ctor_release(x_234, 0);
+ lean_ctor_release(x_234, 1);
+ x_236 = x_234;
+} else {
+ lean_dec_ref(x_234);
+ x_236 = lean_box(0);
+}
+if (lean_is_scalar(x_236)) {
+ x_237 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_237 = x_236;
+ lean_ctor_set_tag(x_237, 1);
+}
+lean_ctor_set(x_237, 0, x_232);
+lean_ctor_set(x_237, 1, x_235);
+return x_237;
+}
+block_270:
+{
+if (x_239 == 0)
+{
+lean_object* x_241; lean_object* x_242; lean_object* x_243; uint8_t x_244; lean_object* x_245; lean_object* x_246; 
+lean_dec(x_230);
+x_241 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_240);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_242 = lean_ctor_get(x_241, 1);
+lean_inc(x_242);
+if (lean_is_exclusive(x_241)) {
+ lean_ctor_release(x_241, 0);
+ lean_ctor_release(x_241, 1);
+ x_243 = x_241;
+} else {
+ lean_dec_ref(x_241);
+ x_243 = lean_box(0);
+}
+x_244 = 0;
+x_245 = lean_box(x_244);
+if (lean_is_scalar(x_243)) {
+ x_246 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_246 = x_243;
+}
+lean_ctor_set(x_246, 0, x_245);
+lean_ctor_set(x_246, 1, x_242);
+return x_246;
+}
+else
+{
+uint8_t x_247; lean_object* x_248; 
+x_247 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_248 = l_Lean_Meta_processPostponed(x_5, x_247, x_6, x_7, x_8, x_9, x_240);
+if (lean_obj_tag(x_248) == 0)
+{
+lean_object* x_249; uint8_t x_250; 
+x_249 = lean_ctor_get(x_248, 0);
+lean_inc(x_249);
+x_250 = lean_unbox(x_249);
+lean_dec(x_249);
+if (x_250 == 0)
+{
+lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; 
+lean_dec(x_230);
+x_251 = lean_ctor_get(x_248, 1);
+lean_inc(x_251);
+lean_dec(x_248);
+x_252 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_251);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_253 = lean_ctor_get(x_252, 1);
+lean_inc(x_253);
+if (lean_is_exclusive(x_252)) {
+ lean_ctor_release(x_252, 0);
+ lean_ctor_release(x_252, 1);
+ x_254 = x_252;
+} else {
+ lean_dec_ref(x_252);
+ x_254 = lean_box(0);
+}
+x_255 = lean_box(x_247);
+if (lean_is_scalar(x_254)) {
+ x_256 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_256 = x_254;
+}
+lean_ctor_set(x_256, 0, x_255);
+lean_ctor_set(x_256, 1, x_253);
+return x_256;
+}
+else
+{
+lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; uint8_t x_265; lean_object* x_266; lean_object* x_267; 
+lean_dec(x_12);
+x_257 = lean_ctor_get(x_248, 1);
+lean_inc(x_257);
+lean_dec(x_248);
+x_258 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_257);
+x_259 = lean_ctor_get(x_258, 0);
+lean_inc(x_259);
+x_260 = lean_ctor_get(x_258, 1);
+lean_inc(x_260);
+lean_dec(x_258);
+x_261 = l_Std_PersistentArray_append___rarg(x_230, x_259);
+x_262 = l_Lean_Meta_setPostponed(x_261, x_6, x_7, x_8, x_9, x_260);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_263 = lean_ctor_get(x_262, 1);
+lean_inc(x_263);
+if (lean_is_exclusive(x_262)) {
+ lean_ctor_release(x_262, 0);
+ lean_ctor_release(x_262, 1);
+ x_264 = x_262;
+} else {
+ lean_dec_ref(x_262);
+ x_264 = lean_box(0);
+}
+x_265 = 1;
+x_266 = lean_box(x_265);
+if (lean_is_scalar(x_264)) {
+ x_267 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_267 = x_264;
+}
+lean_ctor_set(x_267, 0, x_266);
+lean_ctor_set(x_267, 1, x_263);
+return x_267;
+}
+}
+else
+{
+lean_object* x_268; lean_object* x_269; 
+lean_dec(x_230);
+x_268 = lean_ctor_get(x_248, 0);
+lean_inc(x_268);
+x_269 = lean_ctor_get(x_248, 1);
+lean_inc(x_269);
+lean_dec(x_248);
+x_232 = x_268;
+x_233 = x_269;
+goto block_238;
+}
+}
+}
+block_302:
+{
+if (x_271 == 0)
+{
+lean_object* x_273; lean_object* x_274; 
+x_273 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_274 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_273, x_6, x_7, x_8, x_9, x_272);
+if (lean_obj_tag(x_274) == 0)
+{
+lean_object* x_275; lean_object* x_276; uint8_t x_277; 
+x_275 = lean_ctor_get(x_274, 0);
+lean_inc(x_275);
+x_276 = lean_ctor_get(x_274, 1);
+lean_inc(x_276);
+lean_dec(x_274);
+x_277 = lean_unbox(x_275);
+lean_dec(x_275);
+x_239 = x_277;
+x_240 = x_276;
+goto block_270;
+}
+else
+{
+lean_object* x_278; lean_object* x_279; 
+lean_dec(x_230);
+x_278 = lean_ctor_get(x_274, 0);
+lean_inc(x_278);
+x_279 = lean_ctor_get(x_274, 1);
+lean_inc(x_279);
+lean_dec(x_274);
+x_232 = x_278;
+x_233 = x_279;
+goto block_238;
+}
+}
+else
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; 
+lean_inc(x_3);
+x_280 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_280, 0, x_3);
+x_281 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_282 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_282, 0, x_281);
+lean_ctor_set(x_282, 1, x_280);
+x_283 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_284 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_284, 0, x_282);
+lean_ctor_set(x_284, 1, x_283);
+lean_inc(x_1);
+x_285 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_285, 0, x_1);
+x_286 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_286, 0, x_284);
+lean_ctor_set(x_286, 1, x_285);
+x_287 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_288 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_288, 0, x_286);
+lean_ctor_set(x_288, 1, x_287);
+lean_inc(x_2);
+x_289 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_289, 0, x_2);
+x_290 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_290, 0, x_288);
+lean_ctor_set(x_290, 1, x_289);
+x_291 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_292 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_292, 0, x_290);
+lean_ctor_set(x_292, 1, x_291);
+lean_inc(x_4);
+x_293 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_292, x_6, x_7, x_8, x_9, x_272);
+x_294 = lean_ctor_get(x_293, 0);
+lean_inc(x_294);
+x_295 = lean_ctor_get(x_293, 1);
+lean_inc(x_295);
+lean_dec(x_293);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_296 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_294, x_6, x_7, x_8, x_9, x_295);
+if (lean_obj_tag(x_296) == 0)
+{
+lean_object* x_297; lean_object* x_298; uint8_t x_299; 
+x_297 = lean_ctor_get(x_296, 0);
+lean_inc(x_297);
+x_298 = lean_ctor_get(x_296, 1);
+lean_inc(x_298);
+lean_dec(x_296);
+x_299 = lean_unbox(x_297);
+lean_dec(x_297);
+x_239 = x_299;
+x_240 = x_298;
+goto block_270;
+}
+else
+{
+lean_object* x_300; lean_object* x_301; 
+lean_dec(x_230);
+x_300 = lean_ctor_get(x_296, 0);
+lean_inc(x_300);
+x_301 = lean_ctor_get(x_296, 1);
+lean_inc(x_301);
+lean_dec(x_296);
+x_232 = x_300;
+x_233 = x_301;
+goto block_238;
+}
 }
 }
 }
@@ -7287,345 +8064,1112 @@ goto block_24;
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_25; lean_object* x_26; uint8_t x_65; lean_object* x_66; lean_object* x_97; lean_object* x_98; lean_object* x_99; uint8_t x_100; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
 x_11 = l_Lean_Meta_saveState___rarg(x_7, x_8, x_9, x_10);
 x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_13);
-x_15 = lean_ctor_get(x_14, 0);
+x_14 = lean_st_ref_get(x_9, x_13);
+x_15 = lean_ctor_get(x_14, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
 lean_dec(x_14);
-x_97 = lean_st_ref_get(x_9, x_16);
-x_98 = lean_ctor_get(x_97, 0);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_98, 3);
-lean_inc(x_99);
-lean_dec(x_98);
-x_100 = lean_ctor_get_uint8(x_99, sizeof(void*)*1);
-lean_dec(x_99);
-if (x_100 == 0)
-{
-lean_object* x_101; uint8_t x_102; 
-x_101 = lean_ctor_get(x_97, 1);
-lean_inc(x_101);
-lean_dec(x_97);
-x_102 = 0;
-x_65 = x_102;
-x_66 = x_101;
-goto block_96;
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_103 = lean_ctor_get(x_97, 1);
-lean_inc(x_103);
-lean_dec(x_97);
-lean_inc(x_4);
-x_104 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_103);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
-lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
-lean_dec(x_105);
-x_65 = x_107;
-x_66 = x_106;
-goto block_96;
-}
-block_24:
-{
-lean_object* x_19; uint8_t x_20; 
-x_19 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_18);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_20 = !lean_is_exclusive(x_19);
+x_16 = lean_st_ref_take(x_7, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = !lean_is_exclusive(x_17);
 if (x_20 == 0)
 {
-lean_object* x_21; 
-x_21 = lean_ctor_get(x_19, 0);
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_17, 1);
 lean_dec(x_21);
-lean_ctor_set_tag(x_19, 1);
-lean_ctor_set(x_19, 0, x_17);
-return x_19;
-}
-else
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 1);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_17);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-block_64:
-{
-if (x_25 == 0)
-{
-lean_object* x_27; uint8_t x_28; 
-lean_dec(x_15);
-x_27 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_26);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_28 = !lean_is_exclusive(x_27);
-if (x_28 == 0)
-{
-lean_object* x_29; uint8_t x_30; lean_object* x_31; 
-x_29 = lean_ctor_get(x_27, 0);
-lean_dec(x_29);
-x_30 = 0;
-x_31 = lean_box(x_30);
-lean_ctor_set(x_27, 0, x_31);
-return x_27;
-}
-else
-{
-lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get(x_27, 1);
-lean_inc(x_32);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_38; lean_object* x_39; uint8_t x_78; lean_object* x_79; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+x_23 = lean_ctor_get(x_18, 5);
+lean_dec(x_23);
+x_24 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+lean_ctor_set(x_18, 5, x_24);
+x_25 = lean_st_ref_set(x_7, x_17, x_19);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+lean_dec(x_25);
+x_27 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_26);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
 lean_dec(x_27);
-x_33 = 0;
-x_34 = lean_box(x_33);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_32);
-return x_35;
-}
+x_110 = lean_st_ref_get(x_9, x_29);
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_111, 3);
+lean_inc(x_112);
+lean_dec(x_111);
+x_113 = lean_ctor_get_uint8(x_112, sizeof(void*)*1);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; uint8_t x_115; 
+x_114 = lean_ctor_get(x_110, 1);
+lean_inc(x_114);
+lean_dec(x_110);
+x_115 = 0;
+x_78 = x_115;
+x_79 = x_114;
+goto block_109;
 }
 else
 {
-uint8_t x_36; lean_object* x_37; 
-x_36 = 0;
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_37 = l_Lean_Meta_processPostponed(x_5, x_36, x_6, x_7, x_8, x_9, x_26);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_37, 0);
-lean_inc(x_38);
-x_39 = lean_unbox(x_38);
-lean_dec(x_38);
-if (x_39 == 0)
-{
-lean_object* x_40; lean_object* x_41; uint8_t x_42; 
-lean_dec(x_15);
-x_40 = lean_ctor_get(x_37, 1);
-lean_inc(x_40);
-lean_dec(x_37);
-x_41 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_40);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_42 = !lean_is_exclusive(x_41);
-if (x_42 == 0)
-{
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_41, 0);
-lean_dec(x_43);
-x_44 = lean_box(x_36);
-lean_ctor_set(x_41, 0, x_44);
-return x_41;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_41, 1);
-lean_inc(x_45);
-lean_dec(x_41);
-x_46 = lean_box(x_36);
-x_47 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_47, 0, x_46);
-lean_ctor_set(x_47, 1, x_45);
-return x_47;
-}
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-lean_dec(x_12);
-x_48 = lean_ctor_get(x_37, 1);
-lean_inc(x_48);
-lean_dec(x_37);
-x_49 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = l_Std_PersistentArray_append___rarg(x_15, x_50);
-x_53 = l_Lean_Meta_setPostponed(x_52, x_6, x_7, x_8, x_9, x_51);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-x_54 = !lean_is_exclusive(x_53);
-if (x_54 == 0)
-{
-lean_object* x_55; uint8_t x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_53, 0);
-lean_dec(x_55);
-x_56 = 1;
-x_57 = lean_box(x_56);
-lean_ctor_set(x_53, 0, x_57);
-return x_53;
-}
-else
-{
-lean_object* x_58; uint8_t x_59; lean_object* x_60; lean_object* x_61; 
-x_58 = lean_ctor_get(x_53, 1);
-lean_inc(x_58);
-lean_dec(x_53);
-x_59 = 1;
-x_60 = lean_box(x_59);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_58);
-return x_61;
-}
-}
-}
-else
-{
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_15);
-x_62 = lean_ctor_get(x_37, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_37, 1);
-lean_inc(x_63);
-lean_dec(x_37);
-x_17 = x_62;
-x_18 = x_63;
-goto block_24;
-}
-}
-}
-block_96:
-{
-if (x_65 == 0)
-{
-lean_object* x_67; lean_object* x_68; 
-x_67 = lean_box(0);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-x_68 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_67, x_6, x_7, x_8, x_9, x_66);
-if (lean_obj_tag(x_68) == 0)
-{
-lean_object* x_69; lean_object* x_70; uint8_t x_71; 
-x_69 = lean_ctor_get(x_68, 0);
-lean_inc(x_69);
-x_70 = lean_ctor_get(x_68, 1);
-lean_inc(x_70);
-lean_dec(x_68);
-x_71 = lean_unbox(x_69);
-lean_dec(x_69);
-x_25 = x_71;
-x_26 = x_70;
-goto block_64;
-}
-else
-{
-lean_object* x_72; lean_object* x_73; 
-lean_dec(x_15);
-x_72 = lean_ctor_get(x_68, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_68, 1);
-lean_inc(x_73);
-lean_dec(x_68);
-x_17 = x_72;
-x_18 = x_73;
-goto block_24;
-}
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
-lean_inc(x_3);
-x_74 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_74, 0, x_3);
-x_75 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__2;
-x_76 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_74);
-x_77 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__4;
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-lean_inc(x_1);
-x_79 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_79, 0, x_1);
-x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-x_81 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6;
-x_82 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_82, 0, x_80);
-lean_ctor_set(x_82, 1, x_81);
-lean_inc(x_2);
-x_83 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_83, 0, x_2);
-x_84 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_84, 0, x_82);
-lean_ctor_set(x_84, 1, x_83);
-x_85 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
-x_86 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_86, 0, x_84);
-lean_ctor_set(x_86, 1, x_85);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
+x_116 = lean_ctor_get(x_110, 1);
+lean_inc(x_116);
+lean_dec(x_110);
 lean_inc(x_4);
-x_87 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_86, x_6, x_7, x_8, x_9, x_66);
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
+x_117 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_116);
+x_118 = lean_ctor_get(x_117, 0);
+lean_inc(x_118);
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_120 = lean_unbox(x_118);
+lean_dec(x_118);
+x_78 = x_120;
+x_79 = x_119;
+goto block_109;
+}
+block_37:
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_31);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; 
+x_34 = lean_ctor_get(x_32, 0);
+lean_dec(x_34);
+lean_ctor_set_tag(x_32, 1);
+lean_ctor_set(x_32, 0, x_30);
+return x_32;
+}
+else
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_30);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
+}
+}
+block_77:
+{
+if (x_38 == 0)
+{
+lean_object* x_40; uint8_t x_41; 
+lean_dec(x_28);
+x_40 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_39);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; uint8_t x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+x_43 = 0;
+x_44 = lean_box(x_43);
+lean_ctor_set(x_40, 0, x_44);
+return x_40;
+}
+else
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; 
+x_45 = lean_ctor_get(x_40, 1);
+lean_inc(x_45);
+lean_dec(x_40);
+x_46 = 0;
+x_47 = lean_box(x_46);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_45);
+return x_48;
+}
+}
+else
+{
+uint8_t x_49; lean_object* x_50; 
+x_49 = 0;
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-x_90 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_88, x_6, x_7, x_8, x_9, x_89);
-if (lean_obj_tag(x_90) == 0)
+x_50 = l_Lean_Meta_processPostponed(x_5, x_49, x_6, x_7, x_8, x_9, x_39);
+if (lean_obj_tag(x_50) == 0)
 {
-lean_object* x_91; lean_object* x_92; uint8_t x_93; 
-x_91 = lean_ctor_get(x_90, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_90, 1);
-lean_inc(x_92);
-lean_dec(x_90);
-x_93 = lean_unbox(x_91);
-lean_dec(x_91);
-x_25 = x_93;
-x_26 = x_92;
-goto block_64;
+lean_object* x_51; uint8_t x_52; 
+x_51 = lean_ctor_get(x_50, 0);
+lean_inc(x_51);
+x_52 = lean_unbox(x_51);
+lean_dec(x_51);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_28);
+x_53 = lean_ctor_get(x_50, 1);
+lean_inc(x_53);
+lean_dec(x_50);
+x_54 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_53);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+lean_dec(x_56);
+x_57 = lean_box(x_49);
+lean_ctor_set(x_54, 0, x_57);
+return x_54;
 }
 else
 {
-lean_object* x_94; lean_object* x_95; 
-lean_dec(x_15);
-x_94 = lean_ctor_get(x_90, 0);
-lean_inc(x_94);
-x_95 = lean_ctor_get(x_90, 1);
-lean_inc(x_95);
-lean_dec(x_90);
-x_17 = x_94;
-x_18 = x_95;
-goto block_24;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_54, 1);
+lean_inc(x_58);
+lean_dec(x_54);
+x_59 = lean_box(x_49);
+x_60 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+lean_dec(x_12);
+x_61 = lean_ctor_get(x_50, 1);
+lean_inc(x_61);
+lean_dec(x_50);
+x_62 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_61);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = l_Std_PersistentArray_append___rarg(x_28, x_63);
+x_66 = l_Lean_Meta_setPostponed(x_65, x_6, x_7, x_8, x_9, x_64);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_67 = !lean_is_exclusive(x_66);
+if (x_67 == 0)
+{
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_dec(x_68);
+x_69 = 1;
+x_70 = lean_box(x_69);
+lean_ctor_set(x_66, 0, x_70);
+return x_66;
+}
+else
+{
+lean_object* x_71; uint8_t x_72; lean_object* x_73; lean_object* x_74; 
+x_71 = lean_ctor_get(x_66, 1);
+lean_inc(x_71);
+lean_dec(x_66);
+x_72 = 1;
+x_73 = lean_box(x_72);
+x_74 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_74, 0, x_73);
+lean_ctor_set(x_74, 1, x_71);
+return x_74;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+lean_dec(x_28);
+x_75 = lean_ctor_get(x_50, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_50, 1);
+lean_inc(x_76);
+lean_dec(x_50);
+x_30 = x_75;
+x_31 = x_76;
+goto block_37;
+}
+}
+}
+block_109:
+{
+if (x_78 == 0)
+{
+lean_object* x_80; lean_object* x_81; 
+x_80 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_81 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_80, x_6, x_7, x_8, x_9, x_79);
+if (lean_obj_tag(x_81) == 0)
+{
+lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_ctor_get(x_81, 1);
+lean_inc(x_83);
+lean_dec(x_81);
+x_84 = lean_unbox(x_82);
+lean_dec(x_82);
+x_38 = x_84;
+x_39 = x_83;
+goto block_77;
+}
+else
+{
+lean_object* x_85; lean_object* x_86; 
+lean_dec(x_28);
+x_85 = lean_ctor_get(x_81, 0);
+lean_inc(x_85);
+x_86 = lean_ctor_get(x_81, 1);
+lean_inc(x_86);
+lean_dec(x_81);
+x_30 = x_85;
+x_31 = x_86;
+goto block_37;
+}
+}
+else
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; 
+lean_inc(x_3);
+x_87 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_87, 0, x_3);
+x_88 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_89 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_89, 0, x_88);
+lean_ctor_set(x_89, 1, x_87);
+x_90 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_91 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_91, 0, x_89);
+lean_ctor_set(x_91, 1, x_90);
+lean_inc(x_1);
+x_92 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_92, 0, x_1);
+x_93 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+x_94 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_95 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_95, 0, x_93);
+lean_ctor_set(x_95, 1, x_94);
+lean_inc(x_2);
+x_96 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_96, 0, x_2);
+x_97 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+x_98 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_99 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_99, 0, x_97);
+lean_ctor_set(x_99, 1, x_98);
+lean_inc(x_4);
+x_100 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_99, x_6, x_7, x_8, x_9, x_79);
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+lean_dec(x_100);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_103 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_101, x_6, x_7, x_8, x_9, x_102);
+if (lean_obj_tag(x_103) == 0)
+{
+lean_object* x_104; lean_object* x_105; uint8_t x_106; 
+x_104 = lean_ctor_get(x_103, 0);
+lean_inc(x_104);
+x_105 = lean_ctor_get(x_103, 1);
+lean_inc(x_105);
+lean_dec(x_103);
+x_106 = lean_unbox(x_104);
+lean_dec(x_104);
+x_38 = x_106;
+x_39 = x_105;
+goto block_77;
+}
+else
+{
+lean_object* x_107; lean_object* x_108; 
+lean_dec(x_28);
+x_107 = lean_ctor_get(x_103, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_103, 1);
+lean_inc(x_108);
+lean_dec(x_103);
+x_30 = x_107;
+x_31 = x_108;
+goto block_37;
+}
+}
+}
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_140; lean_object* x_141; uint8_t x_172; lean_object* x_173; lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; 
+x_121 = lean_ctor_get(x_18, 0);
+x_122 = lean_ctor_get(x_18, 1);
+x_123 = lean_ctor_get(x_18, 2);
+x_124 = lean_ctor_get(x_18, 3);
+x_125 = lean_ctor_get(x_18, 4);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_inc(x_123);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_dec(x_18);
+x_126 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+x_127 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_127, 0, x_121);
+lean_ctor_set(x_127, 1, x_122);
+lean_ctor_set(x_127, 2, x_123);
+lean_ctor_set(x_127, 3, x_124);
+lean_ctor_set(x_127, 4, x_125);
+lean_ctor_set(x_127, 5, x_126);
+lean_ctor_set(x_17, 1, x_127);
+x_128 = lean_st_ref_set(x_7, x_17, x_19);
+x_129 = lean_ctor_get(x_128, 1);
+lean_inc(x_129);
+lean_dec(x_128);
+x_130 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_129);
+x_131 = lean_ctor_get(x_130, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_130, 1);
+lean_inc(x_132);
+lean_dec(x_130);
+x_204 = lean_st_ref_get(x_9, x_132);
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+x_206 = lean_ctor_get(x_205, 3);
+lean_inc(x_206);
+lean_dec(x_205);
+x_207 = lean_ctor_get_uint8(x_206, sizeof(void*)*1);
+lean_dec(x_206);
+if (x_207 == 0)
+{
+lean_object* x_208; uint8_t x_209; 
+x_208 = lean_ctor_get(x_204, 1);
+lean_inc(x_208);
+lean_dec(x_204);
+x_209 = 0;
+x_172 = x_209;
+x_173 = x_208;
+goto block_203;
+}
+else
+{
+lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; uint8_t x_214; 
+x_210 = lean_ctor_get(x_204, 1);
+lean_inc(x_210);
+lean_dec(x_204);
+lean_inc(x_4);
+x_211 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_210);
+x_212 = lean_ctor_get(x_211, 0);
+lean_inc(x_212);
+x_213 = lean_ctor_get(x_211, 1);
+lean_inc(x_213);
+lean_dec(x_211);
+x_214 = lean_unbox(x_212);
+lean_dec(x_212);
+x_172 = x_214;
+x_173 = x_213;
+goto block_203;
+}
+block_139:
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+x_135 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_134);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_135)) {
+ lean_ctor_release(x_135, 0);
+ lean_ctor_release(x_135, 1);
+ x_137 = x_135;
+} else {
+ lean_dec_ref(x_135);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_138 = x_137;
+ lean_ctor_set_tag(x_138, 1);
+}
+lean_ctor_set(x_138, 0, x_133);
+lean_ctor_set(x_138, 1, x_136);
+return x_138;
+}
+block_171:
+{
+if (x_140 == 0)
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; lean_object* x_146; lean_object* x_147; 
+lean_dec(x_131);
+x_142 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_141);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_143 = lean_ctor_get(x_142, 1);
+lean_inc(x_143);
+if (lean_is_exclusive(x_142)) {
+ lean_ctor_release(x_142, 0);
+ lean_ctor_release(x_142, 1);
+ x_144 = x_142;
+} else {
+ lean_dec_ref(x_142);
+ x_144 = lean_box(0);
+}
+x_145 = 0;
+x_146 = lean_box(x_145);
+if (lean_is_scalar(x_144)) {
+ x_147 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_147 = x_144;
+}
+lean_ctor_set(x_147, 0, x_146);
+lean_ctor_set(x_147, 1, x_143);
+return x_147;
+}
+else
+{
+uint8_t x_148; lean_object* x_149; 
+x_148 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_149 = l_Lean_Meta_processPostponed(x_5, x_148, x_6, x_7, x_8, x_9, x_141);
+if (lean_obj_tag(x_149) == 0)
+{
+lean_object* x_150; uint8_t x_151; 
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_unbox(x_150);
+lean_dec(x_150);
+if (x_151 == 0)
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+lean_dec(x_131);
+x_152 = lean_ctor_get(x_149, 1);
+lean_inc(x_152);
+lean_dec(x_149);
+x_153 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_152);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_154 = lean_ctor_get(x_153, 1);
+lean_inc(x_154);
+if (lean_is_exclusive(x_153)) {
+ lean_ctor_release(x_153, 0);
+ lean_ctor_release(x_153, 1);
+ x_155 = x_153;
+} else {
+ lean_dec_ref(x_153);
+ x_155 = lean_box(0);
+}
+x_156 = lean_box(x_148);
+if (lean_is_scalar(x_155)) {
+ x_157 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_157 = x_155;
+}
+lean_ctor_set(x_157, 0, x_156);
+lean_ctor_set(x_157, 1, x_154);
+return x_157;
+}
+else
+{
+lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_12);
+x_158 = lean_ctor_get(x_149, 1);
+lean_inc(x_158);
+lean_dec(x_149);
+x_159 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_158);
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_159, 1);
+lean_inc(x_161);
+lean_dec(x_159);
+x_162 = l_Std_PersistentArray_append___rarg(x_131, x_160);
+x_163 = l_Lean_Meta_setPostponed(x_162, x_6, x_7, x_8, x_9, x_161);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 1;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+}
+else
+{
+lean_object* x_169; lean_object* x_170; 
+lean_dec(x_131);
+x_169 = lean_ctor_get(x_149, 0);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_149, 1);
+lean_inc(x_170);
+lean_dec(x_149);
+x_133 = x_169;
+x_134 = x_170;
+goto block_139;
+}
+}
+}
+block_203:
+{
+if (x_172 == 0)
+{
+lean_object* x_174; lean_object* x_175; 
+x_174 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_175 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_174, x_6, x_7, x_8, x_9, x_173);
+if (lean_obj_tag(x_175) == 0)
+{
+lean_object* x_176; lean_object* x_177; uint8_t x_178; 
+x_176 = lean_ctor_get(x_175, 0);
+lean_inc(x_176);
+x_177 = lean_ctor_get(x_175, 1);
+lean_inc(x_177);
+lean_dec(x_175);
+x_178 = lean_unbox(x_176);
+lean_dec(x_176);
+x_140 = x_178;
+x_141 = x_177;
+goto block_171;
+}
+else
+{
+lean_object* x_179; lean_object* x_180; 
+lean_dec(x_131);
+x_179 = lean_ctor_get(x_175, 0);
+lean_inc(x_179);
+x_180 = lean_ctor_get(x_175, 1);
+lean_inc(x_180);
+lean_dec(x_175);
+x_133 = x_179;
+x_134 = x_180;
+goto block_139;
+}
+}
+else
+{
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; 
+lean_inc(x_3);
+x_181 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_181, 0, x_3);
+x_182 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_183 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_183, 0, x_182);
+lean_ctor_set(x_183, 1, x_181);
+x_184 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_185 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_185, 0, x_183);
+lean_ctor_set(x_185, 1, x_184);
+lean_inc(x_1);
+x_186 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_186, 0, x_1);
+x_187 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_187, 0, x_185);
+lean_ctor_set(x_187, 1, x_186);
+x_188 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_189 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_189, 0, x_187);
+lean_ctor_set(x_189, 1, x_188);
+lean_inc(x_2);
+x_190 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_190, 0, x_2);
+x_191 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_191, 0, x_189);
+lean_ctor_set(x_191, 1, x_190);
+x_192 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_193 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_193, 0, x_191);
+lean_ctor_set(x_193, 1, x_192);
+lean_inc(x_4);
+x_194 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_193, x_6, x_7, x_8, x_9, x_173);
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_194, 1);
+lean_inc(x_196);
+lean_dec(x_194);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_197 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_195, x_6, x_7, x_8, x_9, x_196);
+if (lean_obj_tag(x_197) == 0)
+{
+lean_object* x_198; lean_object* x_199; uint8_t x_200; 
+x_198 = lean_ctor_get(x_197, 0);
+lean_inc(x_198);
+x_199 = lean_ctor_get(x_197, 1);
+lean_inc(x_199);
+lean_dec(x_197);
+x_200 = lean_unbox(x_198);
+lean_dec(x_198);
+x_140 = x_200;
+x_141 = x_199;
+goto block_171;
+}
+else
+{
+lean_object* x_201; lean_object* x_202; 
+lean_dec(x_131);
+x_201 = lean_ctor_get(x_197, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_197, 1);
+lean_inc(x_202);
+lean_dec(x_197);
+x_133 = x_201;
+x_134 = x_202;
+goto block_139;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; uint8_t x_239; lean_object* x_240; uint8_t x_271; lean_object* x_272; lean_object* x_303; lean_object* x_304; lean_object* x_305; uint8_t x_306; 
+x_215 = lean_ctor_get(x_17, 0);
+x_216 = lean_ctor_get(x_17, 2);
+x_217 = lean_ctor_get(x_17, 3);
+lean_inc(x_217);
+lean_inc(x_216);
+lean_inc(x_215);
+lean_dec(x_17);
+x_218 = lean_ctor_get(x_18, 0);
+lean_inc(x_218);
+x_219 = lean_ctor_get(x_18, 1);
+lean_inc(x_219);
+x_220 = lean_ctor_get(x_18, 2);
+lean_inc(x_220);
+x_221 = lean_ctor_get(x_18, 3);
+lean_inc(x_221);
+x_222 = lean_ctor_get(x_18, 4);
+lean_inc(x_222);
+if (lean_is_exclusive(x_18)) {
+ lean_ctor_release(x_18, 0);
+ lean_ctor_release(x_18, 1);
+ lean_ctor_release(x_18, 2);
+ lean_ctor_release(x_18, 3);
+ lean_ctor_release(x_18, 4);
+ lean_ctor_release(x_18, 5);
+ x_223 = x_18;
+} else {
+ lean_dec_ref(x_18);
+ x_223 = lean_box(0);
+}
+x_224 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__1;
+if (lean_is_scalar(x_223)) {
+ x_225 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_225 = x_223;
+}
+lean_ctor_set(x_225, 0, x_218);
+lean_ctor_set(x_225, 1, x_219);
+lean_ctor_set(x_225, 2, x_220);
+lean_ctor_set(x_225, 3, x_221);
+lean_ctor_set(x_225, 4, x_222);
+lean_ctor_set(x_225, 5, x_224);
+x_226 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_226, 0, x_215);
+lean_ctor_set(x_226, 1, x_225);
+lean_ctor_set(x_226, 2, x_216);
+lean_ctor_set(x_226, 3, x_217);
+x_227 = lean_st_ref_set(x_7, x_226, x_19);
+x_228 = lean_ctor_get(x_227, 1);
+lean_inc(x_228);
+lean_dec(x_227);
+x_229 = l_Lean_Meta_getResetPostponed(x_6, x_7, x_8, x_9, x_228);
+x_230 = lean_ctor_get(x_229, 0);
+lean_inc(x_230);
+x_231 = lean_ctor_get(x_229, 1);
+lean_inc(x_231);
+lean_dec(x_229);
+x_303 = lean_st_ref_get(x_9, x_231);
+x_304 = lean_ctor_get(x_303, 0);
+lean_inc(x_304);
+x_305 = lean_ctor_get(x_304, 3);
+lean_inc(x_305);
+lean_dec(x_304);
+x_306 = lean_ctor_get_uint8(x_305, sizeof(void*)*1);
+lean_dec(x_305);
+if (x_306 == 0)
+{
+lean_object* x_307; uint8_t x_308; 
+x_307 = lean_ctor_get(x_303, 1);
+lean_inc(x_307);
+lean_dec(x_303);
+x_308 = 0;
+x_271 = x_308;
+x_272 = x_307;
+goto block_302;
+}
+else
+{
+lean_object* x_309; lean_object* x_310; lean_object* x_311; lean_object* x_312; uint8_t x_313; 
+x_309 = lean_ctor_get(x_303, 1);
+lean_inc(x_309);
+lean_dec(x_303);
+lean_inc(x_4);
+x_310 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_309);
+x_311 = lean_ctor_get(x_310, 0);
+lean_inc(x_311);
+x_312 = lean_ctor_get(x_310, 1);
+lean_inc(x_312);
+lean_dec(x_310);
+x_313 = lean_unbox(x_311);
+lean_dec(x_311);
+x_271 = x_313;
+x_272 = x_312;
+goto block_302;
+}
+block_238:
+{
+lean_object* x_234; lean_object* x_235; lean_object* x_236; lean_object* x_237; 
+x_234 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_233);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_235 = lean_ctor_get(x_234, 1);
+lean_inc(x_235);
+if (lean_is_exclusive(x_234)) {
+ lean_ctor_release(x_234, 0);
+ lean_ctor_release(x_234, 1);
+ x_236 = x_234;
+} else {
+ lean_dec_ref(x_234);
+ x_236 = lean_box(0);
+}
+if (lean_is_scalar(x_236)) {
+ x_237 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_237 = x_236;
+ lean_ctor_set_tag(x_237, 1);
+}
+lean_ctor_set(x_237, 0, x_232);
+lean_ctor_set(x_237, 1, x_235);
+return x_237;
+}
+block_270:
+{
+if (x_239 == 0)
+{
+lean_object* x_241; lean_object* x_242; lean_object* x_243; uint8_t x_244; lean_object* x_245; lean_object* x_246; 
+lean_dec(x_230);
+x_241 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_240);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_242 = lean_ctor_get(x_241, 1);
+lean_inc(x_242);
+if (lean_is_exclusive(x_241)) {
+ lean_ctor_release(x_241, 0);
+ lean_ctor_release(x_241, 1);
+ x_243 = x_241;
+} else {
+ lean_dec_ref(x_241);
+ x_243 = lean_box(0);
+}
+x_244 = 0;
+x_245 = lean_box(x_244);
+if (lean_is_scalar(x_243)) {
+ x_246 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_246 = x_243;
+}
+lean_ctor_set(x_246, 0, x_245);
+lean_ctor_set(x_246, 1, x_242);
+return x_246;
+}
+else
+{
+uint8_t x_247; lean_object* x_248; 
+x_247 = 0;
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_248 = l_Lean_Meta_processPostponed(x_5, x_247, x_6, x_7, x_8, x_9, x_240);
+if (lean_obj_tag(x_248) == 0)
+{
+lean_object* x_249; uint8_t x_250; 
+x_249 = lean_ctor_get(x_248, 0);
+lean_inc(x_249);
+x_250 = lean_unbox(x_249);
+lean_dec(x_249);
+if (x_250 == 0)
+{
+lean_object* x_251; lean_object* x_252; lean_object* x_253; lean_object* x_254; lean_object* x_255; lean_object* x_256; 
+lean_dec(x_230);
+x_251 = lean_ctor_get(x_248, 1);
+lean_inc(x_251);
+lean_dec(x_248);
+x_252 = l_Lean_Meta_SavedState_restore(x_12, x_6, x_7, x_8, x_9, x_251);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_12);
+x_253 = lean_ctor_get(x_252, 1);
+lean_inc(x_253);
+if (lean_is_exclusive(x_252)) {
+ lean_ctor_release(x_252, 0);
+ lean_ctor_release(x_252, 1);
+ x_254 = x_252;
+} else {
+ lean_dec_ref(x_252);
+ x_254 = lean_box(0);
+}
+x_255 = lean_box(x_247);
+if (lean_is_scalar(x_254)) {
+ x_256 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_256 = x_254;
+}
+lean_ctor_set(x_256, 0, x_255);
+lean_ctor_set(x_256, 1, x_253);
+return x_256;
+}
+else
+{
+lean_object* x_257; lean_object* x_258; lean_object* x_259; lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; uint8_t x_265; lean_object* x_266; lean_object* x_267; 
+lean_dec(x_12);
+x_257 = lean_ctor_get(x_248, 1);
+lean_inc(x_257);
+lean_dec(x_248);
+x_258 = l_Lean_Meta_getPostponed___rarg(x_7, x_8, x_9, x_257);
+x_259 = lean_ctor_get(x_258, 0);
+lean_inc(x_259);
+x_260 = lean_ctor_get(x_258, 1);
+lean_inc(x_260);
+lean_dec(x_258);
+x_261 = l_Std_PersistentArray_append___rarg(x_230, x_259);
+x_262 = l_Lean_Meta_setPostponed(x_261, x_6, x_7, x_8, x_9, x_260);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+x_263 = lean_ctor_get(x_262, 1);
+lean_inc(x_263);
+if (lean_is_exclusive(x_262)) {
+ lean_ctor_release(x_262, 0);
+ lean_ctor_release(x_262, 1);
+ x_264 = x_262;
+} else {
+ lean_dec_ref(x_262);
+ x_264 = lean_box(0);
+}
+x_265 = 1;
+x_266 = lean_box(x_265);
+if (lean_is_scalar(x_264)) {
+ x_267 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_267 = x_264;
+}
+lean_ctor_set(x_267, 0, x_266);
+lean_ctor_set(x_267, 1, x_263);
+return x_267;
+}
+}
+else
+{
+lean_object* x_268; lean_object* x_269; 
+lean_dec(x_230);
+x_268 = lean_ctor_get(x_248, 0);
+lean_inc(x_268);
+x_269 = lean_ctor_get(x_248, 1);
+lean_inc(x_269);
+lean_dec(x_248);
+x_232 = x_268;
+x_233 = x_269;
+goto block_238;
+}
+}
+}
+block_302:
+{
+if (x_271 == 0)
+{
+lean_object* x_273; lean_object* x_274; 
+x_273 = lean_box(0);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_274 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_273, x_6, x_7, x_8, x_9, x_272);
+if (lean_obj_tag(x_274) == 0)
+{
+lean_object* x_275; lean_object* x_276; uint8_t x_277; 
+x_275 = lean_ctor_get(x_274, 0);
+lean_inc(x_275);
+x_276 = lean_ctor_get(x_274, 1);
+lean_inc(x_276);
+lean_dec(x_274);
+x_277 = lean_unbox(x_275);
+lean_dec(x_275);
+x_239 = x_277;
+x_240 = x_276;
+goto block_270;
+}
+else
+{
+lean_object* x_278; lean_object* x_279; 
+lean_dec(x_230);
+x_278 = lean_ctor_get(x_274, 0);
+lean_inc(x_278);
+x_279 = lean_ctor_get(x_274, 1);
+lean_inc(x_279);
+lean_dec(x_274);
+x_232 = x_278;
+x_233 = x_279;
+goto block_238;
+}
+}
+else
+{
+lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; lean_object* x_284; lean_object* x_285; lean_object* x_286; lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; 
+lean_inc(x_3);
+x_280 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_280, 0, x_3);
+x_281 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__3;
+x_282 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_282, 0, x_281);
+lean_ctor_set(x_282, 1, x_280);
+x_283 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5;
+x_284 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_284, 0, x_282);
+lean_ctor_set(x_284, 1, x_283);
+lean_inc(x_1);
+x_285 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_285, 0, x_1);
+x_286 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_286, 0, x_284);
+lean_ctor_set(x_286, 1, x_285);
+x_287 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
+x_288 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_288, 0, x_286);
+lean_ctor_set(x_288, 1, x_287);
+lean_inc(x_2);
+x_289 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_289, 0, x_2);
+x_290 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_290, 0, x_288);
+lean_ctor_set(x_290, 1, x_289);
+x_291 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_decodeConstraint___closed__6;
+x_292 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_292, 0, x_290);
+lean_ctor_set(x_292, 1, x_291);
+lean_inc(x_4);
+x_293 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_292, x_6, x_7, x_8, x_9, x_272);
+x_294 = lean_ctor_get(x_293, 0);
+lean_inc(x_294);
+x_295 = lean_ctor_get(x_293, 1);
+lean_inc(x_295);
+lean_dec(x_293);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+x_296 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___lambda__4(x_3, x_4, x_1, x_2, x_294, x_6, x_7, x_8, x_9, x_295);
+if (lean_obj_tag(x_296) == 0)
+{
+lean_object* x_297; lean_object* x_298; uint8_t x_299; 
+x_297 = lean_ctor_get(x_296, 0);
+lean_inc(x_297);
+x_298 = lean_ctor_get(x_296, 1);
+lean_inc(x_298);
+lean_dec(x_296);
+x_299 = lean_unbox(x_297);
+lean_dec(x_297);
+x_239 = x_299;
+x_240 = x_298;
+goto block_270;
+}
+else
+{
+lean_object* x_300; lean_object* x_301; 
+lean_dec(x_230);
+x_300 = lean_ctor_get(x_296, 0);
+lean_inc(x_300);
+x_301 = lean_ctor_get(x_296, 1);
+lean_inc(x_301);
+lean_dec(x_296);
+x_232 = x_300;
+x_233 = x_301;
+goto block_238;
+}
 }
 }
 }
@@ -9134,7 +10678,7 @@ x_14 = l___private_Lean_Meta_UnificationHint_0__Lean_Meta_decodeUnificationHint_
 x_15 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_15, 0, x_14);
 lean_ctor_set(x_15, 1, x_13);
-x_16 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6;
+x_16 = l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7;
 x_17 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_17, 0, x_15);
 lean_ctor_set(x_17, 1, x_16);
@@ -9464,6 +11008,8 @@ l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___sp
 lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__5);
 l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6();
 lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__6);
+l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_Meta_tryUnificationHints_tryCandidate___spec__4___closed__7);
 l_Lean_Meta_tryUnificationHints_tryCandidate___closed__1 = _init_l_Lean_Meta_tryUnificationHints_tryCandidate___closed__1();
 lean_mark_persistent(l_Lean_Meta_tryUnificationHints_tryCandidate___closed__1);
 l_Lean_Meta_tryUnificationHints_tryCandidate___closed__2 = _init_l_Lean_Meta_tryUnificationHints_tryCandidate___closed__2();
diff --git a/stage0/stdlib/Lean/Meta/WHNF.c b/stage0/stdlib/Lean/Meta/WHNF.c
index e74e782f00..42ad629f94 100644
--- a/stage0/stdlib/Lean/Meta/WHNF.c
+++ b/stage0/stdlib/Lean/Meta/WHNF.c
@@ -106,7 +106,6 @@ LEAN_EXPORT uint8_t l___private_Lean_Meta_WHNF_0__Lean_Meta_getRecRuleFor___lamb
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_reduceNative_x3f___closed__5;
 static lean_object* l_Lean_Meta_markSmartUnfoldingMatchAlt___closed__1;
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceNat_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -151,7 +150,6 @@ static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__13;
 lean_object* l_Lean_Environment_getProjectionStructureName_x3f(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__14;
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__34;
-static lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_toCtorWhenStructure___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_mkProjFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
@@ -161,8 +159,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_cache(uint8_t,
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__33;
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__12;
 lean_object* l_Lean_MapDeclarationExtension_find_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__25;
 LEAN_EXPORT lean_object* l_Lean_Meta_project_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__3;
@@ -245,7 +242,6 @@ LEAN_EXPORT lean_object* l_Lean_Meta_reduceBinNatOp___lambda__4(lean_object*, le
 uint8_t l_Lean_Name_quickCmp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_evalConstCheck___at_Lean_Meta_reduceBoolNativeUnsafe___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceMatcher_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_toCtorIfLit(lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
@@ -313,7 +309,7 @@ lean_object* l_Lean_Core_checkMaxHeartbeats(lean_object*, lean_object*, lean_obj
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_reduceQuotRec___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__9;
 LEAN_EXPORT lean_object* l_Lean_Meta_smartUnfoldingReduce_x3f_goMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -329,7 +325,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_smartUnfoldingReduce_x3f_go___lambda__2___b
 static lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_33____closed__1;
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__8;
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__39;
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__17;
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__35;
 size_t lean_usize_land(size_t, size_t);
@@ -338,7 +334,7 @@ LEAN_EXPORT lean_object* l_Lean_evalConstCheck___at_Lean_Meta_reduceBoolNativeUn
 extern lean_object* l_Lean_projectionFnInfoExt;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__9;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8555_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8553_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_33_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfUntil___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceRecMatcher_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -372,6 +368,7 @@ LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean
 LEAN_EXPORT lean_object* l_Lean_Meta_unfoldProjInst_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceProj_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__2;
+static lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2;
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__8;
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
 uint8_t lean_usize_dec_le(size_t, size_t);
@@ -381,9 +378,11 @@ uint8_t l_Std_RBNode_isRed___rarg(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_reduceRec(lean_object*);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*, uint8_t, uint8_t);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__23;
+static lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1;
 extern lean_object* l_Lean_Meta_instMonadMCtxMetaM;
 LEAN_EXPORT lean_object* l_Lean_getProjectionFnInfo_x3f___at_Lean_Meta_unfoldProjInst_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_deltaDefinition___at_Lean_Meta_unfoldDefinition_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__1;
 static lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_cache___closed__1;
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__13;
@@ -411,13 +410,12 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_projectCore_x3f
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceMatcher_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_ofSubarray___rarg(lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__17;
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceBinNatOp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_WHNF_0__Lean_Meta_deltaBetaDefinition___at_Lean_Meta_unfoldDefinition_x3f___spec__3___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__11;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_canUnfoldAtMatcher(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
@@ -482,6 +480,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___lambda__1(lean_object*, lea
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__15;
 static lean_object* l_Lean_Meta_reduceNat_x3f___closed__18;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getProjectionFnInfo_x3f___at_Lean_Meta_unfoldProjInst_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__11;
@@ -11627,16 +11626,6 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_1);
-lean_ctor_set(x_8, 1, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -11649,94 +11638,37 @@ x_9 = lean_st_ref_get(x_3, x_8);
 x_10 = !lean_is_exclusive(x_9);
 if (x_10 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
 x_11 = lean_ctor_get(x_9, 0);
-x_12 = lean_ctor_get(x_9, 1);
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_13);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
 lean_dec(x_11);
-x_14 = lean_ctor_get(x_13, 7);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_14, x_1);
-if (lean_obj_tag(x_15) == 0)
-{
-lean_ctor_set(x_9, 0, x_15);
+x_13 = lean_ctor_get(x_12, 7);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_13, x_1);
+lean_ctor_set(x_9, 0, x_14);
 return x_9;
 }
 else
 {
-lean_object* x_16; uint8_t x_17; 
-lean_free_object(x_9);
-x_16 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_12);
-x_17 = !lean_is_exclusive(x_16);
-if (x_17 == 0)
-{
-lean_object* x_18; 
-x_18 = lean_ctor_get(x_16, 0);
-lean_dec(x_18);
-lean_ctor_set(x_16, 0, x_15);
-return x_16;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_16, 1);
-lean_inc(x_19);
-lean_dec(x_16);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_15);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
-}
-}
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_21 = lean_ctor_get(x_9, 0);
-x_22 = lean_ctor_get(x_9, 1);
-lean_inc(x_22);
-lean_inc(x_21);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_15 = lean_ctor_get(x_9, 0);
+x_16 = lean_ctor_get(x_9, 1);
+lean_inc(x_16);
+lean_inc(x_15);
 lean_dec(x_9);
-x_23 = lean_ctor_get(x_21, 0);
-lean_inc(x_23);
-lean_dec(x_21);
-x_24 = lean_ctor_get(x_23, 7);
-lean_inc(x_24);
-lean_dec(x_23);
-x_25 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_24, x_1);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; 
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_25);
-lean_ctor_set(x_26, 1, x_22);
-return x_26;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_27 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_22);
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-if (lean_is_exclusive(x_27)) {
- lean_ctor_release(x_27, 0);
- lean_ctor_release(x_27, 1);
- x_29 = x_27;
-} else {
- lean_dec_ref(x_27);
- x_29 = lean_box(0);
-}
-if (lean_is_scalar(x_29)) {
- x_30 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_30 = x_29;
-}
-lean_ctor_set(x_30, 0, x_25);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = lean_ctor_get(x_17, 7);
+lean_inc(x_18);
+lean_dec(x_17);
+x_19 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_18, x_1);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_16);
+return x_20;
 }
 }
 }
@@ -12136,19 +12068,6 @@ return x_113;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -14710,7 +14629,17 @@ x_9 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(x_1, x_2, x
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_1);
+lean_ctor_set(x_8, 1, x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; lean_object* x_11; 
@@ -14761,7 +14690,7 @@ return x_18;
 }
 }
 }
-static lean_object* _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1() {
+static lean_object* _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -14769,12 +14698,12 @@ x_1 = lean_mk_string_from_bytes("Lean.Meta.whnfCore.go", 21);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2() {
+static lean_object* _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_Meta_whnfEasyCases___closed__2;
-x_2 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1;
+x_2 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1;
 x_3 = lean_unsigned_to_nat(519u);
 x_4 = lean_unsigned_to_nat(13u);
 x_5 = l_Lean_Meta_whnfEasyCases___closed__4;
@@ -14782,7 +14711,7 @@ x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_dec(x_3);
@@ -14905,7 +14834,7 @@ x_27 = lean_ctor_get(x_13, 1);
 lean_inc(x_27);
 lean_dec(x_13);
 lean_inc(x_19);
-x_28 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1___lambda__1___boxed), 7, 1);
+x_28 = lean_alloc_closure((void*)(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2___boxed), 7, 1);
 lean_closure_set(x_28, 0, x_19);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -15302,7 +15231,7 @@ lean_inc(x_120);
 x_121 = lean_ctor_get(x_119, 1);
 lean_inc(x_121);
 lean_dec(x_119);
-x_122 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(x_116, x_1, x_2, x_120, x_4, x_5, x_6, x_7, x_121);
+x_122 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_116, x_1, x_2, x_120, x_4, x_5, x_6, x_7, x_121);
 return x_122;
 }
 else
@@ -15354,7 +15283,7 @@ lean_inc(x_130);
 x_131 = lean_ctor_get(x_129, 1);
 lean_inc(x_131);
 lean_dec(x_129);
-x_132 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(x_127, x_1, x_2, x_130, x_4, x_5, x_6, x_7, x_131);
+x_132 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_127, x_1, x_2, x_130, x_4, x_5, x_6, x_7, x_131);
 return x_132;
 }
 else
@@ -15391,7 +15320,7 @@ default:
 {
 lean_object* x_137; lean_object* x_138; 
 lean_dec(x_1);
-x_137 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2;
+x_137 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2;
 x_138 = l_panic___at_Lean_Meta_whnfCore_go___spec__1(x_137, x_4, x_5, x_6, x_7, x_8);
 return x_138;
 }
@@ -15818,7 +15747,7 @@ if (x_86 == 0)
 {
 lean_object* x_88; lean_object* x_89; 
 x_88 = lean_box(0);
-x_89 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_88, x_3, x_4, x_5, x_6, x_87);
+x_89 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_88, x_3, x_4, x_5, x_6, x_87);
 return x_89;
 }
 else
@@ -15833,7 +15762,7 @@ lean_inc(x_92);
 x_93 = lean_ctor_get(x_91, 1);
 lean_inc(x_93);
 lean_dec(x_91);
-x_94 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_92, x_3, x_4, x_5, x_6, x_93);
+x_94 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_92, x_3, x_4, x_5, x_6, x_93);
 return x_94;
 }
 }
@@ -15885,7 +15814,7 @@ if (x_108 == 0)
 {
 lean_object* x_110; lean_object* x_111; 
 x_110 = lean_box(0);
-x_111 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_110, x_3, x_4, x_5, x_6, x_109);
+x_111 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_110, x_3, x_4, x_5, x_6, x_109);
 return x_111;
 }
 else
@@ -15900,7 +15829,7 @@ lean_inc(x_114);
 x_115 = lean_ctor_get(x_113, 1);
 lean_inc(x_115);
 lean_dec(x_113);
-x_116 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_114, x_3, x_4, x_5, x_6, x_115);
+x_116 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_114, x_3, x_4, x_5, x_6, x_115);
 return x_116;
 }
 }
@@ -15952,7 +15881,7 @@ if (x_130 == 0)
 {
 lean_object* x_132; lean_object* x_133; 
 x_132 = lean_box(0);
-x_133 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_132, x_3, x_4, x_5, x_6, x_131);
+x_133 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_132, x_3, x_4, x_5, x_6, x_131);
 return x_133;
 }
 else
@@ -15967,7 +15896,7 @@ lean_inc(x_136);
 x_137 = lean_ctor_get(x_135, 1);
 lean_inc(x_137);
 lean_dec(x_135);
-x_138 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_136, x_3, x_4, x_5, x_6, x_137);
+x_138 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_136, x_3, x_4, x_5, x_6, x_137);
 return x_138;
 }
 }
@@ -16028,7 +15957,7 @@ if (x_154 == 0)
 {
 lean_object* x_156; lean_object* x_157; 
 x_156 = lean_box(0);
-x_157 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_156, x_3, x_4, x_5, x_6, x_155);
+x_157 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_156, x_3, x_4, x_5, x_6, x_155);
 return x_157;
 }
 else
@@ -16043,7 +15972,7 @@ lean_inc(x_160);
 x_161 = lean_ctor_get(x_159, 1);
 lean_inc(x_161);
 lean_dec(x_159);
-x_162 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_2, x_1, x_160, x_3, x_4, x_5, x_6, x_161);
+x_162 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_2, x_1, x_160, x_3, x_4, x_5, x_6, x_161);
 return x_162;
 }
 }
@@ -16101,23 +16030,36 @@ x_10 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_3);
 lean_dec(x_3);
-x_11 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__2(x_1, x_2, x_10, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_1, x_2, x_10, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 uint8_t x_9; lean_object* x_10; 
 x_9 = lean_unbox(x_2);
 lean_dec(x_2);
-x_10 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
+x_10 = l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4(x_1, x_9, x_3, x_4, x_5, x_6, x_7, x_8);
 return x_10;
 }
 }
@@ -29410,79 +29352,74 @@ return x_30;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
 x_31 = lean_ctor_get(x_19, 0);
 x_32 = lean_ctor_get(x_19, 1);
 x_33 = lean_ctor_get(x_19, 2);
 x_34 = lean_ctor_get(x_19, 3);
 x_35 = lean_ctor_get(x_19, 5);
-x_36 = lean_ctor_get(x_19, 6);
-x_37 = lean_ctor_get(x_19, 4);
-lean_inc(x_36);
+x_36 = lean_ctor_get(x_19, 4);
 lean_inc(x_35);
-lean_inc(x_37);
+lean_inc(x_36);
 lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_dec(x_19);
 lean_inc(x_3);
-x_38 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_37, x_2, x_3);
-x_39 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_39, 0, x_31);
-lean_ctor_set(x_39, 1, x_32);
-lean_ctor_set(x_39, 2, x_33);
-lean_ctor_set(x_39, 3, x_34);
-lean_ctor_set(x_39, 4, x_38);
-lean_ctor_set(x_39, 5, x_35);
-lean_ctor_set(x_39, 6, x_36);
-lean_ctor_set(x_18, 1, x_39);
-x_40 = lean_st_ref_set(x_5, x_18, x_20);
+x_37 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_36, x_2, x_3);
+x_38 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_38, 0, x_31);
+lean_ctor_set(x_38, 1, x_32);
+lean_ctor_set(x_38, 2, x_33);
+lean_ctor_set(x_38, 3, x_34);
+lean_ctor_set(x_38, 4, x_37);
+lean_ctor_set(x_38, 5, x_35);
+lean_ctor_set(x_18, 1, x_38);
+x_39 = lean_st_ref_set(x_5, x_18, x_20);
 lean_dec(x_5);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_40)) {
- lean_ctor_release(x_40, 0);
- lean_ctor_release(x_40, 1);
- x_42 = x_40;
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+if (lean_is_exclusive(x_39)) {
+ lean_ctor_release(x_39, 0);
+ lean_ctor_release(x_39, 1);
+ x_41 = x_39;
 } else {
- lean_dec_ref(x_40);
- x_42 = lean_box(0);
+ lean_dec_ref(x_39);
+ x_41 = lean_box(0);
 }
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_41)) {
+ x_42 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_43 = x_42;
+ x_42 = x_41;
 }
-lean_ctor_set(x_43, 0, x_3);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
+lean_ctor_set(x_42, 0, x_3);
+lean_ctor_set(x_42, 1, x_40);
+return x_42;
 }
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_44 = lean_ctor_get(x_18, 0);
-x_45 = lean_ctor_get(x_18, 2);
-x_46 = lean_ctor_get(x_18, 3);
-lean_inc(x_46);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_43 = lean_ctor_get(x_18, 0);
+x_44 = lean_ctor_get(x_18, 2);
+x_45 = lean_ctor_get(x_18, 3);
 lean_inc(x_45);
 lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_18);
-x_47 = lean_ctor_get(x_19, 0);
+x_46 = lean_ctor_get(x_19, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_19, 1);
 lean_inc(x_47);
-x_48 = lean_ctor_get(x_19, 1);
+x_48 = lean_ctor_get(x_19, 2);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_19, 2);
+x_49 = lean_ctor_get(x_19, 3);
 lean_inc(x_49);
-x_50 = lean_ctor_get(x_19, 3);
+x_50 = lean_ctor_get(x_19, 5);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_19, 5);
+x_51 = lean_ctor_get(x_19, 4);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_19, 6);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_19, 4);
-lean_inc(x_53);
 if (lean_is_exclusive(x_19)) {
  lean_ctor_release(x_19, 0);
  lean_ctor_release(x_19, 1);
@@ -29490,297 +29427,288 @@ if (lean_is_exclusive(x_19)) {
  lean_ctor_release(x_19, 3);
  lean_ctor_release(x_19, 4);
  lean_ctor_release(x_19, 5);
- lean_ctor_release(x_19, 6);
- x_54 = x_19;
+ x_52 = x_19;
 } else {
  lean_dec_ref(x_19);
- x_54 = lean_box(0);
+ x_52 = lean_box(0);
 }
 lean_inc(x_3);
-x_55 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_53, x_2, x_3);
-if (lean_is_scalar(x_54)) {
- x_56 = lean_alloc_ctor(0, 7, 0);
+x_53 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_51, x_2, x_3);
+if (lean_is_scalar(x_52)) {
+ x_54 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_56 = x_54;
+ x_54 = x_52;
 }
-lean_ctor_set(x_56, 0, x_47);
-lean_ctor_set(x_56, 1, x_48);
-lean_ctor_set(x_56, 2, x_49);
-lean_ctor_set(x_56, 3, x_50);
-lean_ctor_set(x_56, 4, x_55);
-lean_ctor_set(x_56, 5, x_51);
-lean_ctor_set(x_56, 6, x_52);
-x_57 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_57, 0, x_44);
-lean_ctor_set(x_57, 1, x_56);
-lean_ctor_set(x_57, 2, x_45);
-lean_ctor_set(x_57, 3, x_46);
-x_58 = lean_st_ref_set(x_5, x_57, x_20);
+lean_ctor_set(x_54, 0, x_46);
+lean_ctor_set(x_54, 1, x_47);
+lean_ctor_set(x_54, 2, x_48);
+lean_ctor_set(x_54, 3, x_49);
+lean_ctor_set(x_54, 4, x_53);
+lean_ctor_set(x_54, 5, x_50);
+x_55 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_55, 0, x_43);
+lean_ctor_set(x_55, 1, x_54);
+lean_ctor_set(x_55, 2, x_44);
+lean_ctor_set(x_55, 3, x_45);
+x_56 = lean_st_ref_set(x_5, x_55, x_20);
 lean_dec(x_5);
-x_59 = lean_ctor_get(x_58, 1);
-lean_inc(x_59);
-if (lean_is_exclusive(x_58)) {
- lean_ctor_release(x_58, 0);
- lean_ctor_release(x_58, 1);
- x_60 = x_58;
+x_57 = lean_ctor_get(x_56, 1);
+lean_inc(x_57);
+if (lean_is_exclusive(x_56)) {
+ lean_ctor_release(x_56, 0);
+ lean_ctor_release(x_56, 1);
+ x_58 = x_56;
 } else {
- lean_dec_ref(x_58);
- x_60 = lean_box(0);
+ lean_dec_ref(x_56);
+ x_58 = lean_box(0);
 }
-if (lean_is_scalar(x_60)) {
- x_61 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_58)) {
+ x_59 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_61 = x_60;
+ x_59 = x_58;
 }
-lean_ctor_set(x_61, 0, x_3);
-lean_ctor_set(x_61, 1, x_59);
-return x_61;
+lean_ctor_set(x_59, 0, x_3);
+lean_ctor_set(x_59, 1, x_57);
+return x_59;
 }
 }
 case 1:
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; uint8_t x_67; 
 lean_dec(x_6);
 lean_dec(x_4);
-x_62 = lean_ctor_get(x_10, 1);
-lean_inc(x_62);
+x_60 = lean_ctor_get(x_10, 1);
+lean_inc(x_60);
 lean_dec(x_10);
-x_63 = lean_st_ref_get(x_7, x_62);
+x_61 = lean_st_ref_get(x_7, x_60);
 lean_dec(x_7);
-x_64 = lean_ctor_get(x_63, 1);
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+lean_dec(x_61);
+x_63 = lean_st_ref_take(x_5, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_63);
-x_65 = lean_st_ref_take(x_5, x_64);
-x_66 = lean_ctor_get(x_65, 0);
+x_65 = lean_ctor_get(x_64, 1);
+lean_inc(x_65);
+x_66 = lean_ctor_get(x_63, 1);
 lean_inc(x_66);
-x_67 = lean_ctor_get(x_66, 1);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_65, 1);
-lean_inc(x_68);
-lean_dec(x_65);
-x_69 = !lean_is_exclusive(x_66);
+lean_dec(x_63);
+x_67 = !lean_is_exclusive(x_64);
+if (x_67 == 0)
+{
+lean_object* x_68; uint8_t x_69; 
+x_68 = lean_ctor_get(x_64, 1);
+lean_dec(x_68);
+x_69 = !lean_is_exclusive(x_65);
 if (x_69 == 0)
 {
-lean_object* x_70; uint8_t x_71; 
-x_70 = lean_ctor_get(x_66, 1);
-lean_dec(x_70);
-x_71 = !lean_is_exclusive(x_67);
-if (x_71 == 0)
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
-x_72 = lean_ctor_get(x_67, 3);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; 
+x_70 = lean_ctor_get(x_65, 3);
 lean_inc(x_3);
-x_73 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_72, x_2, x_3);
-lean_ctor_set(x_67, 3, x_73);
-x_74 = lean_st_ref_set(x_5, x_66, x_68);
+x_71 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_70, x_2, x_3);
+lean_ctor_set(x_65, 3, x_71);
+x_72 = lean_st_ref_set(x_5, x_64, x_66);
 lean_dec(x_5);
-x_75 = !lean_is_exclusive(x_74);
-if (x_75 == 0)
+x_73 = !lean_is_exclusive(x_72);
+if (x_73 == 0)
 {
-lean_object* x_76; 
-x_76 = lean_ctor_get(x_74, 0);
-lean_dec(x_76);
-lean_ctor_set(x_74, 0, x_3);
-return x_74;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; 
-x_77 = lean_ctor_get(x_74, 1);
-lean_inc(x_77);
+lean_object* x_74; 
+x_74 = lean_ctor_get(x_72, 0);
 lean_dec(x_74);
-x_78 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_78, 0, x_3);
-lean_ctor_set(x_78, 1, x_77);
-return x_78;
+lean_ctor_set(x_72, 0, x_3);
+return x_72;
+}
+else
+{
+lean_object* x_75; lean_object* x_76; 
+x_75 = lean_ctor_get(x_72, 1);
+lean_inc(x_75);
+lean_dec(x_72);
+x_76 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_76, 0, x_3);
+lean_ctor_set(x_76, 1, x_75);
+return x_76;
 }
 }
 else
 {
-lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_79 = lean_ctor_get(x_67, 0);
-x_80 = lean_ctor_get(x_67, 1);
-x_81 = lean_ctor_get(x_67, 2);
-x_82 = lean_ctor_get(x_67, 4);
-x_83 = lean_ctor_get(x_67, 5);
-x_84 = lean_ctor_get(x_67, 6);
-x_85 = lean_ctor_get(x_67, 3);
-lean_inc(x_84);
-lean_inc(x_83);
-lean_inc(x_82);
-lean_inc(x_85);
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_77 = lean_ctor_get(x_65, 0);
+x_78 = lean_ctor_get(x_65, 1);
+x_79 = lean_ctor_get(x_65, 2);
+x_80 = lean_ctor_get(x_65, 4);
+x_81 = lean_ctor_get(x_65, 5);
+x_82 = lean_ctor_get(x_65, 3);
 lean_inc(x_81);
 lean_inc(x_80);
+lean_inc(x_82);
 lean_inc(x_79);
-lean_dec(x_67);
+lean_inc(x_78);
+lean_inc(x_77);
+lean_dec(x_65);
 lean_inc(x_3);
-x_86 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_85, x_2, x_3);
-x_87 = lean_alloc_ctor(0, 7, 0);
-lean_ctor_set(x_87, 0, x_79);
-lean_ctor_set(x_87, 1, x_80);
-lean_ctor_set(x_87, 2, x_81);
-lean_ctor_set(x_87, 3, x_86);
-lean_ctor_set(x_87, 4, x_82);
-lean_ctor_set(x_87, 5, x_83);
-lean_ctor_set(x_87, 6, x_84);
-lean_ctor_set(x_66, 1, x_87);
-x_88 = lean_st_ref_set(x_5, x_66, x_68);
+x_83 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_82, x_2, x_3);
+x_84 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_84, 0, x_77);
+lean_ctor_set(x_84, 1, x_78);
+lean_ctor_set(x_84, 2, x_79);
+lean_ctor_set(x_84, 3, x_83);
+lean_ctor_set(x_84, 4, x_80);
+lean_ctor_set(x_84, 5, x_81);
+lean_ctor_set(x_64, 1, x_84);
+x_85 = lean_st_ref_set(x_5, x_64, x_66);
 lean_dec(x_5);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
+x_86 = lean_ctor_get(x_85, 1);
+lean_inc(x_86);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_87 = x_85;
 } else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
+ lean_dec_ref(x_85);
+ x_87 = lean_box(0);
 }
-if (lean_is_scalar(x_90)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_87)) {
+ x_88 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_91 = x_90;
+ x_88 = x_87;
 }
-lean_ctor_set(x_91, 0, x_3);
-lean_ctor_set(x_91, 1, x_89);
-return x_91;
+lean_ctor_set(x_88, 0, x_3);
+lean_ctor_set(x_88, 1, x_86);
+return x_88;
 }
 }
 else
 {
-lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
-x_92 = lean_ctor_get(x_66, 0);
-x_93 = lean_ctor_get(x_66, 2);
-x_94 = lean_ctor_get(x_66, 3);
-lean_inc(x_94);
-lean_inc(x_93);
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_89 = lean_ctor_get(x_64, 0);
+x_90 = lean_ctor_get(x_64, 2);
+x_91 = lean_ctor_get(x_64, 3);
+lean_inc(x_91);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_dec(x_64);
+x_92 = lean_ctor_get(x_65, 0);
 lean_inc(x_92);
-lean_dec(x_66);
-x_95 = lean_ctor_get(x_67, 0);
+x_93 = lean_ctor_get(x_65, 1);
+lean_inc(x_93);
+x_94 = lean_ctor_get(x_65, 2);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_65, 4);
 lean_inc(x_95);
-x_96 = lean_ctor_get(x_67, 1);
+x_96 = lean_ctor_get(x_65, 5);
 lean_inc(x_96);
-x_97 = lean_ctor_get(x_67, 2);
+x_97 = lean_ctor_get(x_65, 3);
 lean_inc(x_97);
-x_98 = lean_ctor_get(x_67, 4);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_67, 5);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_67, 6);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_67, 3);
-lean_inc(x_101);
-if (lean_is_exclusive(x_67)) {
- lean_ctor_release(x_67, 0);
- lean_ctor_release(x_67, 1);
- lean_ctor_release(x_67, 2);
- lean_ctor_release(x_67, 3);
- lean_ctor_release(x_67, 4);
- lean_ctor_release(x_67, 5);
- lean_ctor_release(x_67, 6);
- x_102 = x_67;
+if (lean_is_exclusive(x_65)) {
+ lean_ctor_release(x_65, 0);
+ lean_ctor_release(x_65, 1);
+ lean_ctor_release(x_65, 2);
+ lean_ctor_release(x_65, 3);
+ lean_ctor_release(x_65, 4);
+ lean_ctor_release(x_65, 5);
+ x_98 = x_65;
 } else {
- lean_dec_ref(x_67);
- x_102 = lean_box(0);
+ lean_dec_ref(x_65);
+ x_98 = lean_box(0);
 }
 lean_inc(x_3);
-x_103 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_101, x_2, x_3);
-if (lean_is_scalar(x_102)) {
- x_104 = lean_alloc_ctor(0, 7, 0);
+x_99 = l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(x_97, x_2, x_3);
+if (lean_is_scalar(x_98)) {
+ x_100 = lean_alloc_ctor(0, 6, 0);
 } else {
- x_104 = x_102;
+ x_100 = x_98;
 }
-lean_ctor_set(x_104, 0, x_95);
-lean_ctor_set(x_104, 1, x_96);
-lean_ctor_set(x_104, 2, x_97);
-lean_ctor_set(x_104, 3, x_103);
-lean_ctor_set(x_104, 4, x_98);
-lean_ctor_set(x_104, 5, x_99);
-lean_ctor_set(x_104, 6, x_100);
-x_105 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_105, 0, x_92);
-lean_ctor_set(x_105, 1, x_104);
-lean_ctor_set(x_105, 2, x_93);
-lean_ctor_set(x_105, 3, x_94);
-x_106 = lean_st_ref_set(x_5, x_105, x_68);
+lean_ctor_set(x_100, 0, x_92);
+lean_ctor_set(x_100, 1, x_93);
+lean_ctor_set(x_100, 2, x_94);
+lean_ctor_set(x_100, 3, x_99);
+lean_ctor_set(x_100, 4, x_95);
+lean_ctor_set(x_100, 5, x_96);
+x_101 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_101, 0, x_89);
+lean_ctor_set(x_101, 1, x_100);
+lean_ctor_set(x_101, 2, x_90);
+lean_ctor_set(x_101, 3, x_91);
+x_102 = lean_st_ref_set(x_5, x_101, x_66);
 lean_dec(x_5);
-x_107 = lean_ctor_get(x_106, 1);
-lean_inc(x_107);
-if (lean_is_exclusive(x_106)) {
- lean_ctor_release(x_106, 0);
- lean_ctor_release(x_106, 1);
- x_108 = x_106;
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_104 = x_102;
 } else {
- lean_dec_ref(x_106);
- x_108 = lean_box(0);
+ lean_dec_ref(x_102);
+ x_104 = lean_box(0);
 }
-if (lean_is_scalar(x_108)) {
- x_109 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_104)) {
+ x_105 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_109 = x_108;
+ x_105 = x_104;
 }
-lean_ctor_set(x_109, 0, x_3);
-lean_ctor_set(x_109, 1, x_107);
-return x_109;
+lean_ctor_set(x_105, 0, x_3);
+lean_ctor_set(x_105, 1, x_103);
+return x_105;
 }
 }
 default: 
 {
-lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+lean_object* x_106; lean_object* x_107; lean_object* x_108; 
 lean_dec(x_13);
 lean_dec(x_2);
-x_110 = lean_ctor_get(x_10, 1);
-lean_inc(x_110);
+x_106 = lean_ctor_get(x_10, 1);
+lean_inc(x_106);
 lean_dec(x_10);
-x_111 = l___private_Lean_Meta_WHNF_0__Lean_Meta_cache___closed__2;
-x_112 = l_panic___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__5(x_111, x_4, x_5, x_6, x_7, x_110);
-if (lean_obj_tag(x_112) == 0)
+x_107 = l___private_Lean_Meta_WHNF_0__Lean_Meta_cache___closed__2;
+x_108 = l_panic___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__5(x_107, x_4, x_5, x_6, x_7, x_106);
+if (lean_obj_tag(x_108) == 0)
+{
+uint8_t x_109; 
+x_109 = !lean_is_exclusive(x_108);
+if (x_109 == 0)
+{
+lean_object* x_110; 
+x_110 = lean_ctor_get(x_108, 0);
+lean_dec(x_110);
+lean_ctor_set(x_108, 0, x_3);
+return x_108;
+}
+else
+{
+lean_object* x_111; lean_object* x_112; 
+x_111 = lean_ctor_get(x_108, 1);
+lean_inc(x_111);
+lean_dec(x_108);
+x_112 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_112, 0, x_3);
+lean_ctor_set(x_112, 1, x_111);
+return x_112;
+}
+}
+else
 {
 uint8_t x_113; 
-x_113 = !lean_is_exclusive(x_112);
+lean_dec(x_3);
+x_113 = !lean_is_exclusive(x_108);
 if (x_113 == 0)
 {
-lean_object* x_114; 
-x_114 = lean_ctor_get(x_112, 0);
-lean_dec(x_114);
-lean_ctor_set(x_112, 0, x_3);
-return x_112;
+return x_108;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; 
-x_115 = lean_ctor_get(x_112, 1);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_114 = lean_ctor_get(x_108, 0);
+x_115 = lean_ctor_get(x_108, 1);
 lean_inc(x_115);
-lean_dec(x_112);
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_3);
+lean_inc(x_114);
+lean_dec(x_108);
+x_116 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_116, 0, x_114);
 lean_ctor_set(x_116, 1, x_115);
 return x_116;
 }
 }
-else
-{
-uint8_t x_117; 
-lean_dec(x_3);
-x_117 = !lean_is_exclusive(x_112);
-if (x_117 == 0)
-{
-return x_112;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_118 = lean_ctor_get(x_112, 0);
-x_119 = lean_ctor_get(x_112, 1);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_dec(x_112);
-x_120 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_120, 0, x_118);
-lean_ctor_set(x_120, 1, x_119);
-return x_120;
-}
-}
 }
 }
 }
@@ -32579,7 +32507,7 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8555_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8553_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -32867,10 +32795,10 @@ l___private_Lean_Meta_WHNF_0__Lean_Meta_whnfMatcher___lambda__1___closed__1 = _i
 lean_mark_persistent(l___private_Lean_Meta_WHNF_0__Lean_Meta_whnfMatcher___lambda__1___closed__1);
 l___private_Lean_Meta_WHNF_0__Lean_Meta_whnfMatcher___lambda__1___closed__2 = _init_l___private_Lean_Meta_WHNF_0__Lean_Meta_whnfMatcher___lambda__1___closed__2();
 lean_mark_persistent(l___private_Lean_Meta_WHNF_0__Lean_Meta_whnfMatcher___lambda__1___closed__2);
-l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1();
-lean_mark_persistent(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__1);
-l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2();
-lean_mark_persistent(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__3___closed__2);
+l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1();
+lean_mark_persistent(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__1);
+l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2();
+lean_mark_persistent(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___lambda__4___closed__2);
 l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__1 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__1();
 lean_mark_persistent(l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__1);
 l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__2 = _init_l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3___closed__2();
@@ -33015,7 +32943,7 @@ l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1 = _init_l
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1);
 l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2();
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8555_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8553_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/MetavarContext.c b/stage0/stdlib/Lean/MetavarContext.c
index 446ea7b119..b596044d63 100644
--- a/stage0/stdlib/Lean/MetavarContext.c
+++ b/stage0/stdlib/Lean/MetavarContext.c
@@ -16,18 +16,18 @@ extern "C" {
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_State_cache___default;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__59(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashMapImp_moveEntries___at_Lean_instantiateExprMVars___spec__6(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__31___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned(lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__28___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAtAux___at_Lean_isLevelMVarAssigned___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__89(lean_object*, lean_object*, size_t, size_t);
@@ -43,25 +43,22 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBindi
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__28(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__63(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__44(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_DependsOn_main(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(lean_object*, lean_object*, size_t, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__20___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__42___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__36(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarKind_toCtorIdx___boxed(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_instantiateMVarDeclMVars___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_contains___at_Lean_isLevelMVarAssigned___spec__1___boxed(lean_object*, lean_object*);
@@ -76,26 +73,29 @@ LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___rarg___lambda__1(lean_object*,
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__26(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__14___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn___spec__35___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Level_param___override(lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_contains___at_Lean_isLevelMVarAssigned___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__16___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__13(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__108(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__19(lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__5;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__14(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22(lean_object*);
 lean_object* l_Lean_Expr_lam___override(lean_object*, lean_object*, lean_object*, uint8_t);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__103___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__9___closed__4;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_MetavarContext_findUserName_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__31(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_instantiateLCtxMVars___spec__3___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -114,6 +114,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__10;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__31___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11(lean_object*, lean_object*);
 lean_object* l___private_Std_Data_HashMap_0__Std_numBucketsForCapacity(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__52___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__97(lean_object*, lean_object*, size_t, size_t);
@@ -131,17 +132,18 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__3;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__18(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__71(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_MetavarContext_MkBinding_reduceLocalContext___spec__1(lean_object*, size_t, size_t, lean_object*);
 static lean_object* l_Lean_MetavarContext_decls___default___closed__1;
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__55___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 static lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_assignLevelMVar___spec__2___closed__1;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__48(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__23(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__49___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -157,40 +159,35 @@ static lean_object* l_Lean_instInhabitedMetavarDecl___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_MetavarContext_MkBinding_Context_binderInfoForMVars___default;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__34___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_assignLevelMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_addLevelMVarDecl(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__9___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_append___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__40(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignableMVar___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__104___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__52(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn_x27___spec__10(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42(lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__9___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_MetavarContext_addLevelMVarDecl___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__2___closed__2;
 lean_object* l_Lean_Level_succ___override(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_eAssignment___default;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__5(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssignable(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__71___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__44(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_assign___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__16;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__99___boxed(lean_object*, lean_object*, lean_object*);
@@ -200,13 +197,14 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_getLevelMVa
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__20___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_DependsOn_instMonadMCtxM___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20(lean_object*, lean_object*);
 lean_object* lean_local_ctx_mk_let_decl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__30(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_MetavarContext_addExprMVarDecl___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__20(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__1(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Lean_MetavarKind_isNatural(uint8_t);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__6(lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_setMVarKind___boxed(lean_object*, lean_object*, lean_object*);
@@ -215,9 +213,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__90(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__31(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux_traverse___at_Lean_MetavarContext_getExprAssignmentDomain___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__13___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_getDelayedMVarAssignment_x3f___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -232,40 +228,40 @@ LEAN_EXPORT lean_object* l_Lean_hasAssignedLevelMVar___rarg___lambda__1___boxed(
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__8(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__77___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__78___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__106(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__12(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_erase(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__93___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__70(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__14___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__40___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_sub(size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_findUserName_x3f___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__53___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__47___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_mkLambda(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__25___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__102___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_abstractRange(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_assignDelayedMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__12___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__11(lean_object*, lean_object*, lean_object*);
@@ -276,18 +272,21 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_addExprMVarDeclExp___boxed(lean_o
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned(lean_object*);
 uint8_t l_Lean_Level_hasMVar(lean_object*);
 static lean_object* l_Lean_MetavarContext_getDecl___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__8___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedLevelMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_visit(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux_traverse___at_Lean_MetavarContext_getExprAssignmentDomain___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___closed__4;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__57___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__17(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__41(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__41(lean_object*, lean_object*, size_t, size_t);
@@ -300,16 +299,16 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_MetavarContex
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_getDecl___closed__1;
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignExprMVar___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_userNames___default;
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__18___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9(lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15___closed__3;
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___closed__3;
@@ -323,13 +322,13 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__26(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__31___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___closed__3;
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignableMVar___spec__1___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_revert(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__85(lean_object*, lean_object*, lean_object*);
@@ -338,37 +337,29 @@ lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*)
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_instantiateLCtxMVars___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__33___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_instInhabitedMetavarContext;
 lean_object* lean_array_get_size(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_getCollisionNodeSize___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__37(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__9___closed__3;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__6;
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_lift_loose_bvars(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___lambda__2(lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_State_paramNames___default;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_setMVarUserName(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarDecl_numScopeArgs___default;
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__13___closed__3;
 lean_object* l_Lean_Expr_letE___override(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__43(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__57(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102_(uint8_t, lean_object*);
@@ -383,22 +374,21 @@ LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__7(lean_obj
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__49(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_instInhabitedMetavarKind;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__23___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__48___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__113___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__33___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_StateRefT_x27_get___at_Lean_instMonadMCtxStateRefT_x27MetavarContextST___spec__1(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__20;
-LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__52(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__41___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_isLevelMVarAssignable___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -412,21 +402,18 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDepend
 size_t lean_usize_shift_right(size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__62___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_modify___at_Lean_instMonadMCtxStateRefT_x27MetavarContextST___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instBEqLocalInstance___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__27(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__10(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__29(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isAnonymousMVar___boxed(lean_object*, lean_object*);
@@ -434,55 +421,57 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__48___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__42___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_contains(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn___spec__43(lean_object*, lean_object*, lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__94___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__88___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_assignDelayedMVar___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__14(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__35(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_getExprAssignmentDomain(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignedMVar___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__26___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__29___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_levelZero;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn_x27___spec__9(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_contains___at_Lean_MVarId_isDelayedAssigned___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__33(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAtAux___at_Lean_MVarId_isAssigned___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__46(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__14(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16(lean_object*, lean_object*);
 static size_t l_Lean_instInhabitedMetavarDecl___closed__6;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__19___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__92(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__73(lean_object*, lean_object*, size_t, size_t);
@@ -493,6 +482,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAux___at_Lean_isLevelMV
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__25(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__20(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_modify___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__2___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__40___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
@@ -500,11 +490,10 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27
 LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__116___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__9(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_findLocalDeclDependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -516,25 +505,22 @@ lean_object* l_Lean_simpLevelIMax_x27(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOnPred___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_uint64_to_usize(uint64_t);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__61(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignedMVar___spec__1___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__1;
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__46___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__76(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__12___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -546,6 +532,7 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_revert___boxed(lean_object*, lean
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__46___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__11(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__12___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__9___boxed(lean_object*, lean_object*, lean_object*);
@@ -557,6 +544,7 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBin
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__95(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__54___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__40___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__14;
 static lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__2;
 uint64_t l_Lean_Name_hash___override(lean_object*);
@@ -564,13 +552,13 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBindi
 static lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___closed__1;
 LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__96___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAux___at_Lean_MVarId_isDelayedAssigned___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__74(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Std_RBNode_setBlack___rarg(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -583,7 +571,6 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_elimMVarDeps___boxed(lean_object*
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__18(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST(lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__36___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_dAssignment___default;
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___rarg(lean_object*, lean_object*, lean_object*);
@@ -593,64 +580,66 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkB
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__62(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__8(lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15___boxed(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__40(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignedMVar___spec__1___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__6___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__22___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarKind_noConfusion___rarg___closed__1;
+static lean_object* l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_Lean_findLocalDeclDependsOn___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvar___override(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__45___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__56(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__7(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__105___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__64(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux___at_Lean_MetavarContext_getExprAssignmentDomain___spec__2___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_instantiateLCtxMVars___spec__3___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___rarg___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_isUnaryNode___rarg(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__66___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_levelMVarToParam(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__16(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarKind_noConfusion___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_MkBinding_instToStringException___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_main(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__26___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12(lean_object*);
 LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_MVarId_assign___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_instantiateMVarDeclMVars___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_instToStringException___spec__2___closed__2;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__50(lean_object*, lean_object*, size_t, size_t);
@@ -663,16 +652,15 @@ static lean_object* l_Lean_MetavarContext_userNames___default___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__28___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__66(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedLevelMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__6(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_instMonadMCtx___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_elem___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__2(lean_object*, lean_object*);
 static lean_object* l_Lean_DependsOn_instMonadMCtxM___closed__3;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -689,20 +677,17 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBindi
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__8___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__7(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedLevelMVar(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Level_normalize___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__54___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__35(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___spec__2(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_mkLevelMax_x27(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__6(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___closed__1;
 lean_object* l_Lean_Name_toString(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_MetavarKind_noConfusion___rarg(uint8_t, uint8_t, lean_object*);
@@ -713,17 +698,18 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAtAux___at_Lean_MVarId_isDelayedAssigned___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__6(lean_object*, lean_object*);
 lean_object* l_Lean_simpLevelMax_x27(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_abstractRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__68(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__5___boxed(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__27___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__7___boxed(lean_object*, lean_object*, lean_object*);
@@ -737,7 +723,6 @@ LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__3(lean
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__98(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ST_Prim_Ref_get___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__14___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -751,22 +736,22 @@ static lean_object* l_Lean_MetavarContext_instInhabitedMetavarContext___closed__
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_MetavarContext_addExprMVarDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__36___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instInhabited___rarg(lean_object*, lean_object*);
 lean_object* lean_name_append_index_after(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__7(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_elimMVarDeps(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__104(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_MkBinding_instToStringException___spec__1(lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Lean_mkLevelIMax_x27(lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Expr_getRevArg_x21___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_StateRefT_x27_get___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__1___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__60___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__50___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__58(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -775,7 +760,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 uint8_t l_Lean_Name_quickCmp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__1;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_lDepth___default;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__65___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -794,19 +778,17 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVar
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__29___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_getDecl___closed__3;
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__9(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__15___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__55(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_expand___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_elimMVarDeps(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_StateT_get___at_Lean_DependsOn_instMonadMCtxM___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__54(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__62(lean_object*, lean_object*);
@@ -814,6 +796,7 @@ lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_setMVarType(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_decls___default;
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_mkBinding___spec__3(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__8(lean_object*, lean_object*, size_t, size_t);
@@ -822,6 +805,7 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__1__
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__100___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_DependsOn_instMonadMCtxM___closed__2;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__75(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -829,12 +813,15 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__34(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t l_Lean_Expr_hash(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__4(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -848,24 +835,21 @@ LEAN_EXPORT lean_object* l_Lean_findExprDependsOn(lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__22___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getExprAssignmentCore_x3f___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__15;
 LEAN_EXPORT lean_object* l_Std_HashMapImp_find_x3f___at_Lean_instantiateExprMVars___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_insert___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__3(lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__18;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__31___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_getFVar_x21(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_sort___override(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__23(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__16___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_instToStringException___spec__2(lean_object*);
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__1___boxed(lean_object*, lean_object*, lean_object*);
@@ -874,7 +858,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDepend
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t l___private_Lean_Expr_0__Lean_hashMVarId____x40_Lean_Expr___hyg_2138_(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__5;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__14___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_MVarId_assign___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -887,19 +870,17 @@ LEAN_EXPORT lean_object* l_modify___at_Lean_MetavarContext_instMonadMCtxStateRef
 LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarKind_toCtorIdx(uint8_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__13(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__64___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__3;
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__15(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__66___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__17___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__9;
@@ -912,16 +893,14 @@ LEAN_EXPORT lean_object* l_Lean_LocalInstances_erase(lean_object*, lean_object*)
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__61(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__17(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___closed__1;
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAtAux___at_Lean_isLevelMVarAssigned___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssignable___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__114___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7(lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAux___at_Lean_MVarId_isAssigned___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__95___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at_Lean_MetavarContext_LevelMVarToParam_main___spec__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_modify___at_Lean_instMonadMCtxStateRefT_x27MetavarContextST___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__78(lean_object*, lean_object*);
@@ -930,7 +909,6 @@ extern lean_object* l_Lean_instInhabitedExpr;
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__17;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__15(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__13(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__66(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33(lean_object*);
 static lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_instToStringException___spec__2___closed__3;
@@ -942,23 +920,24 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 size_t lean_usize_modn(size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__43(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_instantiateLCtxMVars___spec__3(lean_object*);
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__46(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLCtxMVars___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__11(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___lambda__3(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_Util_0__mkPanicMessageWithDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__32(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Array_reverse___rarg(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAtAux___at_Lean_MVarId_isAssigned___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___closed__3;
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__14(lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
@@ -972,14 +951,12 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__25(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__7(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_abstractRange(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAux___at_Lean_isLevelMVarAssigned___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_getExprAssignmentCore_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__37___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_exprDependsOn___spec__5(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_isLevelMVarAssignable___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_contains___at_Lean_MVarId_isAssigned___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__102(lean_object*, lean_object*);
@@ -987,23 +964,20 @@ size_t lean_usize_mul(size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAux___at_Lean_MVarId_isAssigned___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__1;
 LEAN_EXPORT lean_object* l_Lean_instantiateMVars(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__60(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__72___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_instToStringException___spec__2___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_getDelayedMVarAssignment_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bvar___override(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__21(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLCtxMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__21___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_instantiateLCtxMVars___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__59(lean_object*, lean_object*, lean_object*);
@@ -1011,16 +985,13 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__83___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__47___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15___closed__1;
-LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__33(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__13___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_MetavarContext_setMVarUserName___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -1037,7 +1008,8 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__7(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_instInhabitedLocalInstance___closed__2;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_main_visitApp(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instInhabitedLocalInstance;
@@ -1051,41 +1023,32 @@ lean_object* l_EStateM_instMonadEStateM(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__57(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__33___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__13(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__22___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux___at_Lean_MetavarContext_getExprAssignmentDomain___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_collectForwardDeps___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn_x27___spec__20(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__4;
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_land(size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__38(lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_MVarId_assign___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___rarg___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_setMCtx(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__75___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_mkForall___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__41___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_dependsOn(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__16(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__67___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__23___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__38___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
 static lean_object* l_Lean_instInhabitedLocalInstance___closed__1;
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__10(lean_object*, lean_object*, lean_object*);
@@ -1093,33 +1056,33 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_setMVarUserNameTemporarily(lean_o
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__101___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__39(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__109(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14(lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__9;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_assignLevelMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__15(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__8;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__111(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_MetavarContext_LevelMVarToParam_main___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__15(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_instantiateMVarDeclMVars___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__19___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__16(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__93(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___closed__2;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__29(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__40(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__7___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn___spec__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__13(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instReprMetavarKind;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
@@ -1129,11 +1092,12 @@ static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__19___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_isLevelMVarAssignable___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_MetavarContext_setMVarUserName___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__13;
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__87___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_MetavarContext_getDecl___spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at_Lean_MetavarContext_mkBinding___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__33___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1147,7 +1111,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_MetavarCont
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__72(lean_object*, lean_object*, size_t, size_t);
 size_t lean_ptr_addr(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__12___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___rarg(lean_object*, lean_object*, lean_object*);
@@ -1155,13 +1118,13 @@ LEAN_EXPORT uint8_t l_Lean_MetavarContext_isAnonymousMVar(lean_object*, lean_obj
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_instantiateLCtxMVars___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__9(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_index(lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__88(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Lean_MetavarKind_isSyntheticOpaque(uint8_t);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__47(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__69___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instMonadMCtxStateRefT_x27MetavarContextST(lean_object*);
@@ -1178,6 +1141,7 @@ extern uint8_t l_instInhabitedBool;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__112___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instToStringException(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__77(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlM___at_Lean_MetavarContext_getExprAssignmentDomain___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1186,15 +1150,16 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_preserveOrder(lean_obje
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_collectForwardDeps___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__9(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_instantiateMVarDeclMVars___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__40(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadMCtxM___lambda__2(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__47(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__53(lean_object*, lean_object*, lean_object*);
@@ -1206,20 +1171,18 @@ static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__11___closed__1;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__58(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__63___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__58___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_mkBinding___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_modify___at_Lean_instMonadMCtxStateRefT_x27MetavarContextST___spec__2___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 uint8_t lean_expr_equal(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__69(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5(lean_object*);
 extern lean_object* l_Id_instMonadId;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__36(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__106___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAux___at_Lean_MVarId_isDelayedAssigned___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__32___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1229,7 +1192,6 @@ uint8_t lean_usize_dec_le(size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_assignExprMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_instantiateExprMVars___spec__8(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__16(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__32(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1241,26 +1203,27 @@ uint8_t l_Std_RBNode_isRed___rarg(lean_object*);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*, uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__4___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__96(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_MetavarContext_MkBinding_instToStringException___closed__1;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__21(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4___closed__3;
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_erase___at_Lean_MetavarContext_setMVarUserName___spec__1___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__11___closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 uint8_t l_Lean_Name_isAnonymous(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__18___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_MetavarContext_setMVarUserName___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_addExprMVarDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__28(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__17(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_contains___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__1___boxed(lean_object*, lean_object*);
 static size_t l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__1;
@@ -1268,18 +1231,19 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_co
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_assignLevelMVar___spec__3(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_MetavarContext_addLevelMVarDecl___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__91___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_assignDelayedMVar___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__48(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___closed__1;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__10___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__6(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1295,8 +1259,6 @@ LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignableMVar___spec__1___rar
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__32(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__6___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__11___closed__3;
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__8(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__7___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__13___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1306,7 +1268,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkB
 static lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_MetavarContext_setMVarUserName___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Lean_MetavarContext_usedAssignment___default;
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1324,14 +1285,11 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_toStringAux___at_Lean_MetavarContext_MkBinding_instToStringException___spec__3(uint8_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_LocalInstances_erase___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_instantiateLCtxMVars___spec__2___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Array_eraseIdx_x27___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26___boxed(lean_object*, lean_object*, lean_object*);
@@ -1347,10 +1305,9 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_isLevelMVarA
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__22(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__15___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_mkHashMap___at_Lean_instantiateMVarsCore___spec__1(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_instantiateExprMVars___spec__2(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
@@ -1359,12 +1316,10 @@ lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___closed__1;
 LEAN_EXPORT lean_object* l_Lean_DependsOn_instMonadMCtxM___lambda__1___boxed(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isFVar(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkFreshBinderName(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__5(lean_object*);
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__9(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
@@ -1374,28 +1329,28 @@ static lean_object* l_Lean_MetavarContext_MkBinding_State_cache___default___clos
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn_x27___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___closed__4;
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__13___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elim___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f(lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__70___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_app___override(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__112(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_TSyntax_getNat___spec__1(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignableMVar___spec__1___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_getDelayedMVarAssignment_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_instantiateLCtxMVars___spec__3___rarg___closed__1;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_abstractRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ST_Prim_Ref_modifyGetUnsafe___rarg___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn___spec__19___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_modify___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarsCore___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1405,6 +1360,7 @@ static lean_object* l_Lean_MetavarContext_MkBinding_instToStringException___clos
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__11___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__10(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32(lean_object*, lean_object*);
@@ -1426,11 +1382,12 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_getLevelDepth(lean_object*, lean_
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__51(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_ins___at_Lean_MetavarContext_mkBinding___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__113(lean_object*, lean_object*, size_t, size_t);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_isLevelMVarAssignable___spec__4(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__89___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_isLevelMVarAssignable___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__28___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getExprAssignmentCore_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__21(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding(uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*);
@@ -1439,13 +1396,15 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Lean_dependsOnPred___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__11;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__94(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_AssocList_contains___at_Lean_instantiateExprMVars___spec__4(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__36___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__35___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__37___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_StateRefT_x27_get___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__1___rarg___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_array(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__26___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_0__Lean_mkAppRangeAux(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1456,9 +1415,11 @@ uint8_t l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_371_(
 LEAN_EXPORT lean_object* l_StateT_bind___at_Lean_DependsOn_instMonadMCtxM___spec__2___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_findUserName_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__45(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* lean_expr_abstract(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
@@ -1474,46 +1435,43 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_MetavarContext_getDecl___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux___at_Lean_MetavarContext_getExprAssignmentDomain___spec__2___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__55(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_elem___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__2___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(lean_object*, lean_object*, lean_object*, uint8_t);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignedMVar___spec__1(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__36(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__5___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_instantiateLCtxMVars___spec__1(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__63(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__19___closed__1;
 LEAN_EXPORT uint8_t l_Std_HashSetImp_contains___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addLevelMVarDecl___spec__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__21___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__58___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_preserveOrder___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2(lean_object*, uint8_t, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___rarg___closed__3;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__55___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOnPred(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__15(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_lAssignment___default;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__8___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__4;
 lean_object* l_Lean_Expr_proj___override(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_instMonadReaderT___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__48___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__4___boxed(lean_object*, lean_object*, lean_object*);
@@ -1525,8 +1483,8 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBindi
 LEAN_EXPORT lean_object* l_Std_mkHashMap___at_Lean_instantiateMVarsCore___spec__1___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__68___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__10(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
@@ -1540,24 +1498,21 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_getDelayedMVa
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__45(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instToStringException___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_withFreshCache___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_dependsOnPred(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_moveEntries___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__5(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__24(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__111___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_isLevelMVarAssignable___spec__4___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__14___boxed(lean_object*, lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_MetavarContext_getDecl___spec__2(lean_object*, size_t, lean_object*);
-static lean_object* l_Lean_markUsedAssignment___rarg___closed__1;
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__99(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1573,12 +1528,13 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__30___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_reduceLocalContext(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__62___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarDecl_userName___default;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux_traverse___at_Lean_MetavarContext_getExprAssignmentDomain___spec__4(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__86(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment(lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__44(lean_object*, lean_object*);
 static lean_object* l_List_toStringAux___at_Lean_MetavarContext_MkBinding_instToStringException___spec__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned(lean_object*);
@@ -1587,7 +1543,6 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_MetavarContext_findUserName_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__64___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__2___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__33(lean_object*, lean_object*, size_t, size_t);
@@ -1599,78 +1554,70 @@ LEAN_EXPORT lean_object* l_Lean_MetavarKind_noConfusion___rarg___lambda__1___box
 LEAN_EXPORT lean_object* l_Std_HashMapImp_expand___at_Lean_instantiateExprMVars___spec__5(lean_object*, lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarKind_isSyntheticOpaque___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__85___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__30___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedLevelMVar___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___lambda__2(lean_object*, uint8_t, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__5___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_getLevelDepth___closed__2;
 lean_object* l_Std_instInhabitedPersistentArrayNode(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1(lean_object*, uint8_t, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq;
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__92___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__59___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAdapterExprStructEqExprMInstBEqExprStructEqInstHashableExprStructEq___closed__2;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__42(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__41___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_findUserName_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__11(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__25(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_MetavarContext_MkBinding_instMonadMCtxM___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__8___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_DependsOn_instMonadMCtxM___closed__1;
 LEAN_EXPORT lean_object* l_Std_AssocList_foldlM___at_Lean_instantiateExprMVars___spec__7(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__2;
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__30___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_mkBinding___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__90___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_getExprAssignmentDomain___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__38(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp___spec__1(lean_object*, uint8_t, lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Nat_foldRevM_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__30(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__38___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__24(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_102____closed__7;
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_assignDelayedMVar___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elim(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__44___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__31___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__56(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__12(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__13(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__1(lean_object*, lean_object*);
@@ -1681,11 +1628,9 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27_
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__48(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_instReprMetavarKind___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__91(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_MetavarContext_getExprAssignmentCore_x3f___spec__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -1694,7 +1639,6 @@ static lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___closed__2;
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__39(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18(lean_object*, lean_object*, size_t, size_t);
 lean_object* lean_nat_to_int(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_isWellFormed___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__23(lean_object*, lean_object*);
@@ -1704,40 +1648,37 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore__
 lean_object* l_Std_PersistentHashMap_mkEmptyEntries(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_MetavarContext_findUserName_x3f___spec__2(lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_StateT_bind___at_Lean_DependsOn_instMonadMCtxM___spec__2(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__2;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__39(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_revert(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__38___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__16(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__20(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg(lean_object*, lean_object*);
 uint8_t l_Lean_LocalContext_isSubPrefixOf(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__105(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__63___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__31(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__20(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__84(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__8(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__81(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__100(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__47(lean_object*, lean_object*);
-static lean_object* l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at_Lean_MetavarContext_getExprAssignmentCore_x3f___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__13(lean_object*, lean_object*);
@@ -1749,27 +1690,24 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBi
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20(lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___closed__1;
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__10___closed__2;
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_instantiateLCtxMVars___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__2___closed__3;
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__18(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instMonadMCtx___rarg(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg(lean_object*);
+LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__53(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_runST___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__42(lean_object*, lean_object*, lean_object*);
@@ -1781,19 +1719,18 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBindi
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__10___closed__1;
 lean_object* l_Std_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__79___boxed(lean_object*, lean_object*);
 uint8_t l_Lean_LocalDecl_isLet(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__18(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__34(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__24(lean_object*, lean_object*, size_t, size_t);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_MVarId_assign___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__20___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Repr_addAppParen(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_toStringAux___at_Lean_MetavarContext_MkBinding_instToStringException___spec__3___boxed(lean_object*, lean_object*);
@@ -2595,14 +2532,6 @@ x_1 = l_Lean_MetavarContext_decls___default___closed__1;
 return x_1;
 }
 }
-static uint8_t _init_l_Lean_MetavarContext_usedAssignment___default() {
-_start:
-{
-uint8_t x_1; 
-x_1 = 0;
-return x_1;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_instMonadMCtx___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -2640,201 +2569,12 @@ x_3 = lean_alloc_closure((void*)(l_Lean_instMonadMCtx___rarg), 2, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___rarg___lambda__1(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-uint8_t x_3; 
-x_3 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_3);
-return x_1;
-}
-else
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
-x_4 = lean_ctor_get(x_1, 0);
-x_5 = lean_ctor_get(x_1, 1);
-x_6 = lean_ctor_get(x_1, 2);
-x_7 = lean_ctor_get(x_1, 3);
-x_8 = lean_ctor_get(x_1, 4);
-x_9 = lean_ctor_get(x_1, 5);
-x_10 = lean_ctor_get(x_1, 6);
-x_11 = lean_ctor_get(x_1, 7);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_dec(x_1);
-x_12 = 1;
-x_13 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_13, 0, x_4);
-lean_ctor_set(x_13, 1, x_5);
-lean_ctor_set(x_13, 2, x_6);
-lean_ctor_set(x_13, 3, x_7);
-lean_ctor_set(x_13, 4, x_8);
-lean_ctor_set(x_13, 5, x_9);
-lean_ctor_set(x_13, 6, x_10);
-lean_ctor_set(x_13, 7, x_11);
-lean_ctor_set_uint8(x_13, sizeof(void*)*8, x_12);
-return x_13;
-}
-}
-}
-static lean_object* _init_l_Lean_markUsedAssignment___rarg___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___rarg___lambda__1), 1, 0);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___rarg(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = lean_ctor_get(x_1, 1);
-lean_inc(x_2);
-lean_dec(x_1);
-x_3 = l_Lean_markUsedAssignment___rarg___closed__1;
-x_4 = lean_apply_1(x_2, x_3);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___rarg), 1, 0);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-uint8_t x_3; 
-x_3 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
-if (x_3 == 0)
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_4 = lean_ctor_get(x_1, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_1, 1);
-lean_inc(x_5);
-x_6 = lean_ctor_get(x_1, 2);
-lean_inc(x_6);
-x_7 = lean_ctor_get(x_1, 3);
-lean_inc(x_7);
-x_8 = lean_ctor_get(x_1, 4);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_1, 5);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_1, 6);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_1, 7);
-lean_inc(x_11);
-lean_dec(x_1);
-x_12 = !lean_is_exclusive(x_2);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_13 = lean_ctor_get(x_2, 7);
-lean_dec(x_13);
-x_14 = lean_ctor_get(x_2, 6);
-lean_dec(x_14);
-x_15 = lean_ctor_get(x_2, 5);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_2, 4);
-lean_dec(x_16);
-x_17 = lean_ctor_get(x_2, 3);
-lean_dec(x_17);
-x_18 = lean_ctor_get(x_2, 2);
-lean_dec(x_18);
-x_19 = lean_ctor_get(x_2, 1);
-lean_dec(x_19);
-x_20 = lean_ctor_get(x_2, 0);
-lean_dec(x_20);
-lean_ctor_set(x_2, 7, x_11);
-lean_ctor_set(x_2, 6, x_10);
-lean_ctor_set(x_2, 5, x_9);
-lean_ctor_set(x_2, 4, x_8);
-lean_ctor_set(x_2, 3, x_7);
-lean_ctor_set(x_2, 2, x_6);
-lean_ctor_set(x_2, 1, x_5);
-lean_ctor_set(x_2, 0, x_4);
-return x_2;
-}
-else
-{
-uint8_t x_21; lean_object* x_22; 
-x_21 = lean_ctor_get_uint8(x_2, sizeof(void*)*8);
-lean_dec(x_2);
-x_22 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_22, 0, x_4);
-lean_ctor_set(x_22, 1, x_5);
-lean_ctor_set(x_22, 2, x_6);
-lean_ctor_set(x_22, 3, x_7);
-lean_ctor_set(x_22, 4, x_8);
-lean_ctor_set(x_22, 5, x_9);
-lean_ctor_set(x_22, 6, x_10);
-lean_ctor_set(x_22, 7, x_11);
-lean_ctor_set_uint8(x_22, sizeof(void*)*8, x_21);
-return x_22;
-}
-}
-else
-{
-uint8_t x_23; 
-lean_dec(x_2);
-x_23 = !lean_is_exclusive(x_1);
-if (x_23 == 0)
-{
-uint8_t x_24; 
-x_24 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_24);
+lean_inc(x_1);
 return x_1;
 }
-else
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; 
-x_25 = lean_ctor_get(x_1, 0);
-x_26 = lean_ctor_get(x_1, 1);
-x_27 = lean_ctor_get(x_1, 2);
-x_28 = lean_ctor_get(x_1, 3);
-x_29 = lean_ctor_get(x_1, 4);
-x_30 = lean_ctor_get(x_1, 5);
-x_31 = lean_ctor_get(x_1, 6);
-x_32 = lean_ctor_get(x_1, 7);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_dec(x_1);
-x_33 = 1;
-x_34 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_34, 0, x_25);
-lean_ctor_set(x_34, 1, x_26);
-lean_ctor_set(x_34, 2, x_27);
-lean_ctor_set(x_34, 3, x_28);
-lean_ctor_set(x_34, 4, x_29);
-lean_ctor_set(x_34, 5, x_30);
-lean_ctor_set(x_34, 6, x_31);
-lean_ctor_set(x_34, 7, x_32);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-return x_34;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg(lean_object* x_1, lean_object* x_2) {
 _start:
@@ -2843,7 +2583,7 @@ lean_object* x_3; lean_object* x_4; lean_object* x_5;
 x_3 = lean_ctor_get(x_1, 1);
 lean_inc(x_3);
 lean_dec(x_1);
-x_4 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
+x_4 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_4, 0, x_2);
 x_5 = lean_apply_1(x_3, x_4);
 return x_5;
@@ -2857,6 +2597,16 @@ x_2 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg), 2, 0);
 return x_2;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_setMCtx___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_setMCtx___rarg___lambda__1(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_getLevelMVarAssignment_x3f___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -3014,54 +2764,19 @@ return x_6;
 LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_4 = lean_ctor_get(x_1, 0);
 lean_inc(x_4);
 lean_dec(x_1);
 x_5 = lean_ctor_get(x_4, 1);
 lean_inc(x_5);
 lean_dec(x_4);
-x_6 = lean_apply_2(x_5, lean_box(0), x_2);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_5, 5);
+x_6 = lean_ctor_get(x_3, 5);
 lean_inc(x_6);
-lean_dec(x_5);
-x_7 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_6, x_1);
-lean_inc(x_7);
-lean_inc(x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_8, 0, x_2);
-lean_closure_set(x_8, 1, x_7);
-if (lean_obj_tag(x_7) == 0)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-lean_dec(x_4);
-x_9 = lean_ctor_get(x_2, 0);
-lean_inc(x_9);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_box(0);
-x_12 = lean_apply_2(x_10, lean_box(0), x_11);
-x_13 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_12, x_8);
-return x_13;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; 
-lean_dec(x_7);
-lean_dec(x_2);
-x_14 = l_Lean_markUsedAssignment___rarg(x_4);
-x_15 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_14, x_8);
-return x_15;
-}
+lean_dec(x_3);
+x_7 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_6, x_2);
+x_8 = lean_apply_2(x_5, lean_box(0), x_7);
+return x_8;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -3072,12 +2787,10 @@ x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
 x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__2), 5, 4);
-lean_closure_set(x_6, 0, x_3);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_4);
-lean_closure_set(x_6, 3, x_2);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -3112,15 +2825,6 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1(x_1, x_2, x_3);
-lean_dec(x_3);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getExprAssignmentCore_x3f___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -3288,40 +2992,19 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_6; lean_object* x_7; 
-x_6 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_5, x_1);
-lean_inc(x_6);
-lean_inc(x_2);
-x_7 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_6);
-if (lean_obj_tag(x_6) == 0)
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_ctor_get(x_4, 1);
+lean_inc(x_5);
 lean_dec(x_4);
-x_8 = lean_ctor_get(x_2, 0);
-lean_inc(x_8);
-lean_dec(x_2);
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_box(0);
-x_11 = lean_apply_2(x_9, lean_box(0), x_10);
-x_12 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_11, x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; 
-lean_dec(x_6);
-lean_dec(x_2);
-x_13 = l_Lean_markUsedAssignment___rarg(x_4);
-x_14 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_13, x_7);
-return x_14;
-}
+x_6 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_3, x_2);
+x_7 = lean_apply_2(x_5, lean_box(0), x_6);
+return x_7;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -3332,12 +3015,10 @@ x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
 x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1), 5, 4);
-lean_closure_set(x_6, 0, x_3);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_4);
-lean_closure_set(x_6, 3, x_2);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -3484,43 +3165,22 @@ lean_dec(x_2);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_5, 7);
-lean_inc(x_6);
-lean_dec(x_5);
-x_7 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_6, x_1);
-lean_inc(x_7);
-lean_inc(x_2);
-x_8 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_8, 0, x_2);
-lean_closure_set(x_8, 1, x_7);
-if (lean_obj_tag(x_7) == 0)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_ctor_get(x_4, 1);
+lean_inc(x_5);
 lean_dec(x_4);
-x_9 = lean_ctor_get(x_2, 0);
-lean_inc(x_9);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_box(0);
-x_12 = lean_apply_2(x_10, lean_box(0), x_11);
-x_13 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_12, x_8);
-return x_13;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; 
-lean_dec(x_7);
-lean_dec(x_2);
-x_14 = l_Lean_markUsedAssignment___rarg(x_4);
-x_15 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_14, x_8);
-return x_15;
-}
+x_6 = lean_ctor_get(x_3, 7);
+lean_inc(x_6);
+lean_dec(x_3);
+x_7 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_6, x_2);
+x_8 = lean_apply_2(x_5, lean_box(0), x_7);
+return x_8;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -3531,12 +3191,10 @@ x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
 x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1), 5, 4);
-lean_closure_set(x_6, 0, x_3);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_4);
-lean_closure_set(x_6, 3, x_2);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -3764,34 +3422,18 @@ x_9 = lean_apply_2(x_5, lean_box(0), x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_1, 0);
-lean_inc(x_6);
-lean_dec(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssigned___rarg___lambda__1), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_3);
-x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_inc(x_2);
-x_5 = l_Lean_markUsedAssignment___rarg(x_2);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssigned___rarg___lambda__2___boxed), 5, 4);
-lean_closure_set(x_6, 0, x_2);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_3);
-lean_closure_set(x_6, 3, x_4);
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssigned___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -3837,15 +3479,6 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssigned___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_isLevelMVarAssigned___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-return x_6;
-}
-}
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAtAux___at_Lean_MVarId_isAssigned___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -3982,34 +3615,18 @@ x_9 = lean_apply_2(x_5, lean_box(0), x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_1, 0);
-lean_inc(x_6);
-lean_dec(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssigned___rarg___lambda__1), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_3);
-x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_inc(x_2);
-x_5 = l_Lean_markUsedAssignment___rarg(x_2);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssigned___rarg___lambda__2___boxed), 5, 4);
-lean_closure_set(x_6, 0, x_2);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_3);
-lean_closure_set(x_6, 3, x_4);
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssigned___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -4055,15 +3672,6 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssigned___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_MVarId_isAssigned___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -4216,34 +3824,18 @@ x_9 = lean_apply_2(x_5, lean_box(0), x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_1, 0);
-lean_inc(x_6);
-lean_dec(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_MVarId_isDelayedAssigned___rarg___lambda__1), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_3);
-x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_inc(x_2);
-x_5 = l_Lean_markUsedAssignment___rarg(x_2);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2___boxed), 5, 4);
-lean_closure_set(x_6, 0, x_2);
-lean_closure_set(x_6, 1, x_1);
-lean_closure_set(x_6, 2, x_3);
-lean_closure_set(x_6, 3, x_4);
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isDelayedAssigned___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_1);
+lean_closure_set(x_6, 1, x_3);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -4289,15 +3881,6 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_MVarId_isDelayedAssigned___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -4497,7 +4080,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__2;
-x_3 = lean_unsigned_to_nat(361u);
+x_3 = lean_unsigned_to_nat(344u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4543,34 +4126,18 @@ return x_14;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_1, 0);
-lean_inc(x_6);
-lean_dec(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssignable___rarg___lambda__1), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_3);
-x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_inc(x_2);
-x_5 = l_Lean_markUsedAssignment___rarg(x_2);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssignable___rarg___lambda__2___boxed), 5, 4);
-lean_closure_set(x_6, 0, x_2);
-lean_closure_set(x_6, 1, x_3);
-lean_closure_set(x_6, 2, x_1);
-lean_closure_set(x_6, 3, x_4);
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_isLevelMVarAssignable___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_3);
+lean_closure_set(x_6, 1, x_1);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -4605,15 +4172,6 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isLevelMVarAssignable___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_isLevelMVarAssignable___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_getDecl___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -4779,7 +4337,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_MetavarContext_getDecl___closed__1;
-x_3 = lean_unsigned_to_nat(366u);
+x_3 = lean_unsigned_to_nat(349u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_MetavarContext_getDecl___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4859,34 +4417,18 @@ x_11 = lean_apply_2(x_6, lean_box(0), x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get(x_1, 0);
-lean_inc(x_6);
-lean_dec(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssignable___rarg___lambda__1), 3, 2);
-lean_closure_set(x_7, 0, x_2);
-lean_closure_set(x_7, 1, x_3);
-x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_1, 1);
 lean_inc(x_4);
-lean_inc(x_2);
-x_5 = l_Lean_markUsedAssignment___rarg(x_2);
-lean_inc(x_4);
-x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssignable___rarg___lambda__2___boxed), 5, 4);
-lean_closure_set(x_6, 0, x_2);
-lean_closure_set(x_6, 1, x_3);
-lean_closure_set(x_6, 2, x_1);
-lean_closure_set(x_6, 3, x_4);
+x_5 = lean_ctor_get(x_2, 0);
+lean_inc(x_5);
+lean_dec(x_2);
+x_6 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssignable___rarg___lambda__1), 3, 2);
+lean_closure_set(x_6, 0, x_3);
+lean_closure_set(x_6, 1, x_1);
 x_7 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_5, x_6);
 return x_7;
 }
@@ -4899,15 +4441,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_MVarId_isAssignable___rarg), 3, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_MVarId_isAssignable___rarg___lambda__2(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_5);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssignable___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -6909,26 +6442,23 @@ uint8_t x_4;
 x_4 = !lean_is_exclusive(x_3);
 if (x_4 == 0)
 {
-lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+lean_object* x_5; lean_object* x_6; 
 x_5 = lean_ctor_get(x_3, 5);
 x_6 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_5, x_1, x_2);
-x_7 = 1;
 lean_ctor_set(x_3, 5, x_6);
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_7);
 return x_3;
 }
 else
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_7 = lean_ctor_get(x_3, 0);
+x_8 = lean_ctor_get(x_3, 1);
+x_9 = lean_ctor_get(x_3, 2);
+x_10 = lean_ctor_get(x_3, 3);
+x_11 = lean_ctor_get(x_3, 4);
+x_12 = lean_ctor_get(x_3, 5);
+x_13 = lean_ctor_get(x_3, 6);
+x_14 = lean_ctor_get(x_3, 7);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -6936,20 +6466,19 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
+lean_inc(x_7);
 lean_dec(x_3);
-x_16 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_13, x_1, x_2);
-x_17 = 1;
-x_18 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_18, 0, x_8);
-lean_ctor_set(x_18, 1, x_9);
-lean_ctor_set(x_18, 2, x_10);
-lean_ctor_set(x_18, 3, x_11);
-lean_ctor_set(x_18, 4, x_12);
-lean_ctor_set(x_18, 5, x_16);
-lean_ctor_set(x_18, 6, x_14);
-lean_ctor_set(x_18, 7, x_15);
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_17);
-return x_18;
+x_15 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_12, x_1, x_2);
+x_16 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_8);
+lean_ctor_set(x_16, 2, x_9);
+lean_ctor_set(x_16, 3, x_10);
+lean_ctor_set(x_16, 4, x_11);
+lean_ctor_set(x_16, 5, x_15);
+lean_ctor_set(x_16, 6, x_13);
+lean_ctor_set(x_16, 7, x_14);
+return x_16;
 }
 }
 }
@@ -7540,26 +7069,23 @@ uint8_t x_4;
 x_4 = !lean_is_exclusive(x_3);
 if (x_4 == 0)
 {
-lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+lean_object* x_5; lean_object* x_6; 
 x_5 = lean_ctor_get(x_3, 6);
 x_6 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_5, x_1, x_2);
-x_7 = 1;
 lean_ctor_set(x_3, 6, x_6);
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_7);
 return x_3;
 }
 else
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_7 = lean_ctor_get(x_3, 0);
+x_8 = lean_ctor_get(x_3, 1);
+x_9 = lean_ctor_get(x_3, 2);
+x_10 = lean_ctor_get(x_3, 3);
+x_11 = lean_ctor_get(x_3, 4);
+x_12 = lean_ctor_get(x_3, 5);
+x_13 = lean_ctor_get(x_3, 6);
+x_14 = lean_ctor_get(x_3, 7);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -7567,20 +7093,19 @@ lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
+lean_inc(x_7);
 lean_dec(x_3);
-x_16 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_14, x_1, x_2);
-x_17 = 1;
-x_18 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_18, 0, x_8);
-lean_ctor_set(x_18, 1, x_9);
-lean_ctor_set(x_18, 2, x_10);
-lean_ctor_set(x_18, 3, x_11);
-lean_ctor_set(x_18, 4, x_12);
-lean_ctor_set(x_18, 5, x_13);
-lean_ctor_set(x_18, 6, x_16);
-lean_ctor_set(x_18, 7, x_15);
-lean_ctor_set_uint8(x_18, sizeof(void*)*8, x_17);
-return x_18;
+x_15 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_13, x_1, x_2);
+x_16 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_8);
+lean_ctor_set(x_16, 2, x_9);
+lean_ctor_set(x_16, 3, x_10);
+lean_ctor_set(x_16, 4, x_11);
+lean_ctor_set(x_16, 5, x_12);
+lean_ctor_set(x_16, 6, x_15);
+lean_ctor_set(x_16, 7, x_14);
+return x_16;
 }
 }
 }
@@ -8187,29 +7712,26 @@ uint8_t x_5;
 x_5 = !lean_is_exclusive(x_4);
 if (x_5 == 0)
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_ctor_get(x_4, 7);
 x_7 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_7, 0, x_1);
 lean_ctor_set(x_7, 1, x_2);
 x_8 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_6, x_3, x_7);
-x_9 = 1;
 lean_ctor_set(x_4, 7, x_8);
-lean_ctor_set_uint8(x_4, sizeof(void*)*8, x_9);
 return x_4;
 }
 else
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
-x_10 = lean_ctor_get(x_4, 0);
-x_11 = lean_ctor_get(x_4, 1);
-x_12 = lean_ctor_get(x_4, 2);
-x_13 = lean_ctor_get(x_4, 3);
-x_14 = lean_ctor_get(x_4, 4);
-x_15 = lean_ctor_get(x_4, 5);
-x_16 = lean_ctor_get(x_4, 6);
-x_17 = lean_ctor_get(x_4, 7);
-lean_inc(x_17);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_9 = lean_ctor_get(x_4, 0);
+x_10 = lean_ctor_get(x_4, 1);
+x_11 = lean_ctor_get(x_4, 2);
+x_12 = lean_ctor_get(x_4, 3);
+x_13 = lean_ctor_get(x_4, 4);
+x_14 = lean_ctor_get(x_4, 5);
+x_15 = lean_ctor_get(x_4, 6);
+x_16 = lean_ctor_get(x_4, 7);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
@@ -8217,23 +7739,22 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
+lean_inc(x_9);
 lean_dec(x_4);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_1);
-lean_ctor_set(x_18, 1, x_2);
-x_19 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_17, x_3, x_18);
-x_20 = 1;
-x_21 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_21, 0, x_10);
-lean_ctor_set(x_21, 1, x_11);
-lean_ctor_set(x_21, 2, x_12);
-lean_ctor_set(x_21, 3, x_13);
-lean_ctor_set(x_21, 4, x_14);
-lean_ctor_set(x_21, 5, x_15);
-lean_ctor_set(x_21, 6, x_16);
-lean_ctor_set(x_21, 7, x_19);
-lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_20);
-return x_21;
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_1);
+lean_ctor_set(x_17, 1, x_2);
+x_18 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_16, x_3, x_17);
+x_19 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_19, 0, x_9);
+lean_ctor_set(x_19, 1, x_10);
+lean_ctor_set(x_19, 2, x_11);
+lean_ctor_set(x_19, 3, x_12);
+lean_ctor_set(x_19, 4, x_13);
+lean_ctor_set(x_19, 5, x_14);
+lean_ctor_set(x_19, 6, x_15);
+lean_ctor_set(x_19, 7, x_18);
+return x_19;
 }
 }
 }
@@ -8589,20 +8110,34 @@ x_9 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_7, x_8);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+x_4 = lean_ctor_get(x_1, 0);
+lean_inc(x_4);
+lean_dec(x_1);
+x_5 = lean_ctor_get(x_4, 1);
+lean_inc(x_5);
+lean_dec(x_4);
+x_6 = lean_apply_2(x_5, lean_box(0), x_2);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 lean_inc(x_5);
 x_6 = l_Lean_assignLevelMVar___rarg(x_1, x_2, x_5);
-x_7 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_7 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_7, 0, x_3);
 lean_closure_set(x_7, 1, x_5);
 x_8 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_6, x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 if (lean_obj_tag(x_6) == 0)
@@ -8650,7 +8185,7 @@ lean_inc(x_3);
 lean_inc(x_1);
 x_15 = l_Lean_instantiateLevelMVars___rarg(x_1, x_3, x_10);
 lean_inc(x_5);
-x_16 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6), 5, 4);
+x_16 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__7), 5, 4);
 lean_closure_set(x_16, 0, x_3);
 lean_closure_set(x_16, 1, x_4);
 lean_closure_set(x_16, 2, x_1);
@@ -8733,19 +8268,15 @@ x_22 = lean_ctor_get(x_1, 1);
 lean_inc(x_22);
 x_23 = lean_ctor_get(x_2, 0);
 lean_inc(x_23);
-lean_inc(x_2);
-lean_inc(x_22);
-lean_inc(x_1);
 lean_inc(x_21);
-x_24 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__2), 5, 4);
-lean_closure_set(x_24, 0, x_21);
-lean_closure_set(x_24, 1, x_1);
-lean_closure_set(x_24, 2, x_22);
-lean_closure_set(x_24, 3, x_2);
+lean_inc(x_1);
+x_24 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1), 3, 2);
+lean_closure_set(x_24, 0, x_1);
+lean_closure_set(x_24, 1, x_21);
 lean_inc(x_22);
 x_25 = lean_apply_4(x_22, lean_box(0), lean_box(0), x_23, x_24);
 lean_inc(x_22);
-x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__7), 6, 5);
+x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__8), 6, 5);
 lean_closure_set(x_26, 0, x_1);
 lean_closure_set(x_26, 1, x_3);
 lean_closure_set(x_26, 2, x_2);
@@ -8796,6 +8327,15 @@ lean_dec(x_2);
 return x_5;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_Lean_instantiateLevelMVars___rarg___lambda__6(x_1, x_2, x_3);
+lean_dec(x_3);
+return x_4;
+}
+}
 LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_instantiateExprMVars___spec__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -9168,106 +8708,33 @@ return x_40;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_ctor_get(x_1, 1);
-lean_inc(x_4);
-lean_dec(x_1);
-x_5 = l_Lean_markUsedAssignment___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg___boxed), 3, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = lean_ctor_get(x_1, 0);
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_4 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_3, x_1);
+x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
-lean_dec(x_1);
+lean_dec(x_2);
 x_6 = lean_ctor_get(x_5, 1);
 lean_inc(x_6);
 lean_dec(x_5);
-x_7 = lean_apply_2(x_6, lean_box(0), x_2);
+x_7 = lean_apply_2(x_6, lean_box(0), x_4);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_apply_2(x_1, x_3, x_2);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; 
-x_8 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_7, x_1);
-lean_inc(x_8);
-lean_inc(x_2);
-x_9 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_9, 0, x_2);
-lean_closure_set(x_9, 1, x_8);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_5);
-x_10 = lean_ctor_get(x_2, 0);
-lean_inc(x_10);
-lean_dec(x_2);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_box(0);
-x_13 = lean_apply_2(x_11, lean_box(0), x_12);
-x_14 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_14, 0, x_9);
-lean_closure_set(x_14, 1, x_3);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
-return x_15;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-lean_dec(x_8);
-lean_dec(x_2);
-x_16 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg(x_5, x_6, x_3);
-x_17 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_17, 0, x_9);
-lean_closure_set(x_17, 1, x_3);
-x_18 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_16, x_17);
-return x_18;
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 x_6 = lean_ctor_get(x_2, 0);
 lean_inc(x_6);
+lean_dec(x_2);
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
-lean_inc(x_7);
-x_8 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3___boxed), 7, 6);
+x_8 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1), 3, 2);
 lean_closure_set(x_8, 0, x_4);
 lean_closure_set(x_8, 1, x_1);
-lean_closure_set(x_8, 2, x_5);
-lean_closure_set(x_8, 3, x_7);
-lean_closure_set(x_8, 4, x_2);
-lean_closure_set(x_8, 5, x_3);
 x_9 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_6, x_8);
 return x_9;
 }
@@ -9276,11 +8743,11 @@ LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateE
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___boxed), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
@@ -9294,35 +8761,15 @@ x_8 = lean_apply_1(x_7, x_6);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg___boxed), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg___boxed), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_ctor_get(x_1, 1);
-lean_inc(x_4);
-lean_dec(x_1);
-x_5 = l_Lean_markUsedAssignment___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg___boxed), 3, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
@@ -9336,15 +8783,15 @@ x_8 = lean_apply_1(x_7, x_6);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg___boxed), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg___boxed), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 1)
@@ -9402,7 +8849,7 @@ return x_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_1) == 2)
@@ -9480,13 +8927,13 @@ return x_29;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 lean_inc(x_1);
-x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_4, x_5);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2___boxed), 4, 3);
+x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_4, x_5);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2___boxed), 4, 3);
 lean_closure_set(x_10, 0, x_6);
 lean_closure_set(x_10, 1, x_1);
 lean_closure_set(x_10, 2, x_8);
@@ -9494,7 +8941,7 @@ x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_1) == 3)
@@ -9570,13 +9017,13 @@ return x_29;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 lean_inc(x_1);
-x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_4, x_5);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4___boxed), 4, 3);
+x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_4, x_5);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4___boxed), 4, 3);
 lean_closure_set(x_10, 0, x_6);
 lean_closure_set(x_10, 1, x_1);
 lean_closure_set(x_10, 2, x_8);
@@ -9584,65 +9031,38 @@ x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_7, 5);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_8, x_1);
-lean_inc(x_9);
-lean_inc(x_2);
-x_10 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_10, 0, x_2);
-lean_closure_set(x_10, 1, x_9);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_5);
-x_11 = lean_ctor_get(x_2, 0);
-lean_inc(x_11);
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_4 = lean_ctor_get(x_3, 5);
+lean_inc(x_4);
+lean_dec(x_3);
+x_5 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_4, x_1);
+x_6 = lean_ctor_get(x_2, 0);
+lean_inc(x_6);
 lean_dec(x_2);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_box(0);
-x_14 = lean_apply_2(x_12, lean_box(0), x_13);
-x_15 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_15, 0, x_10);
-lean_closure_set(x_15, 1, x_3);
-x_16 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_14, x_15);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-lean_dec(x_9);
-lean_dec(x_2);
-x_17 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg(x_5, x_6, x_3);
-x_18 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_18, 0, x_10);
-lean_closure_set(x_18, 1, x_3);
-x_19 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_17, x_18);
-return x_19;
+x_7 = lean_ctor_get(x_6, 1);
+lean_inc(x_7);
+lean_dec(x_6);
+x_8 = lean_apply_2(x_7, lean_box(0), x_5);
+return x_8;
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 lean_inc(x_7);
-x_8 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg(x_1, x_2, x_3, x_7, x_4);
-x_9 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_8 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_7, x_4);
+x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_9, 0, x_5);
 lean_closure_set(x_9, 1, x_7);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 if (lean_obj_tag(x_8) == 0)
@@ -9694,9 +9114,9 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
-x_17 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_3, x_4, x_12, x_5);
+x_17 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_3, x_4, x_12, x_5);
 lean_inc(x_7);
-x_18 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7___boxed), 7, 6);
+x_18 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7___boxed), 7, 6);
 lean_closure_set(x_18, 0, x_3);
 lean_closure_set(x_18, 1, x_4);
 lean_closure_set(x_18, 2, x_6);
@@ -9709,7 +9129,7 @@ return x_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 switch (lean_obj_tag(x_4)) {
@@ -9721,8 +9141,8 @@ lean_inc(x_6);
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
 lean_inc(x_1);
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_6, x_5);
-x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__1), 3, 2);
+x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_6, x_5);
+x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__1), 3, 2);
 lean_closure_set(x_9, 0, x_4);
 lean_closure_set(x_9, 1, x_1);
 x_10 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_8, x_9);
@@ -9741,9 +9161,9 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_14 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_11, x_5);
+x_14 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_11, x_5);
 lean_inc(x_13);
-x_15 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__3), 8, 7);
+x_15 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__3), 8, 7);
 lean_closure_set(x_15, 0, x_1);
 lean_closure_set(x_15, 1, x_2);
 lean_closure_set(x_15, 2, x_3);
@@ -9767,9 +9187,9 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_20 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_17, x_5);
+x_20 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_17, x_5);
 lean_inc(x_19);
-x_21 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__5), 8, 7);
+x_21 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__5), 8, 7);
 lean_closure_set(x_21, 0, x_1);
 lean_closure_set(x_21, 1, x_2);
 lean_closure_set(x_21, 2, x_3);
@@ -9789,23 +9209,15 @@ x_24 = lean_ctor_get(x_2, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_1, 1);
 lean_inc(x_25);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_25);
-lean_inc(x_5);
 lean_inc(x_1);
 lean_inc(x_23);
-x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6___boxed), 7, 6);
+x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__6), 3, 2);
 lean_closure_set(x_26, 0, x_23);
 lean_closure_set(x_26, 1, x_1);
-lean_closure_set(x_26, 2, x_5);
-lean_closure_set(x_26, 3, x_25);
-lean_closure_set(x_26, 4, x_2);
-lean_closure_set(x_26, 5, x_3);
 lean_inc(x_25);
 x_27 = lean_apply_4(x_25, lean_box(0), lean_box(0), x_24, x_26);
 lean_inc(x_25);
-x_28 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__8), 8, 7);
+x_28 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__8), 8, 7);
 lean_closure_set(x_28, 0, x_1);
 lean_closure_set(x_28, 1, x_4);
 lean_closure_set(x_28, 2, x_2);
@@ -9834,35 +9246,15 @@ return x_32;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_ctor_get(x_1, 1);
-lean_inc(x_4);
-lean_dec(x_1);
-x_5 = l_Lean_markUsedAssignment___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg___boxed), 3, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
@@ -9876,21 +9268,21 @@ x_8 = lean_apply_1(x_7, x_6);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg___boxed), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg___boxed), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 lean_inc(x_1);
-x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_4, x_5);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2___boxed), 4, 3);
+x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_4, x_5);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2___boxed), 4, 3);
 lean_closure_set(x_10, 0, x_6);
 lean_closure_set(x_10, 1, x_1);
 lean_closure_set(x_10, 2, x_8);
@@ -9898,13 +9290,13 @@ x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 lean_inc(x_1);
-x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_4, x_5);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4___boxed), 4, 3);
+x_9 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_4, x_5);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4___boxed), 4, 3);
 lean_closure_set(x_10, 0, x_6);
 lean_closure_set(x_10, 1, x_1);
 lean_closure_set(x_10, 2, x_8);
@@ -9912,65 +9304,20 @@ x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_7, 5);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_8, x_1);
-lean_inc(x_9);
-lean_inc(x_2);
-x_10 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_10, 0, x_2);
-lean_closure_set(x_10, 1, x_9);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_5);
-x_11 = lean_ctor_get(x_2, 0);
-lean_inc(x_11);
-lean_dec(x_2);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_box(0);
-x_14 = lean_apply_2(x_12, lean_box(0), x_13);
-x_15 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_15, 0, x_10);
-lean_closure_set(x_15, 1, x_3);
-x_16 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_14, x_15);
-return x_16;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-lean_dec(x_9);
-lean_dec(x_2);
-x_17 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg(x_5, x_6, x_3);
-x_18 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_18, 0, x_10);
-lean_closure_set(x_18, 1, x_3);
-x_19 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_17, x_18);
-return x_19;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 lean_inc(x_7);
-x_8 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg(x_1, x_2, x_3, x_7, x_4);
-x_9 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_8 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg(x_1, x_2, x_3, x_7, x_4);
+x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_9, 0, x_5);
 lean_closure_set(x_9, 1, x_7);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 if (lean_obj_tag(x_8) == 0)
@@ -10022,9 +9369,9 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_1);
-x_17 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_3, x_4, x_12, x_5);
+x_17 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_3, x_4, x_12, x_5);
 lean_inc(x_7);
-x_18 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4___boxed), 7, 6);
+x_18 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3___boxed), 7, 6);
 lean_closure_set(x_18, 0, x_3);
 lean_closure_set(x_18, 1, x_4);
 lean_closure_set(x_18, 2, x_6);
@@ -10037,7 +9384,7 @@ return x_19;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 switch (lean_obj_tag(x_4)) {
@@ -10049,8 +9396,8 @@ lean_inc(x_6);
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
 lean_inc(x_1);
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_6, x_5);
-x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__1), 3, 2);
+x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_6, x_5);
+x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__1), 3, 2);
 lean_closure_set(x_9, 0, x_4);
 lean_closure_set(x_9, 1, x_1);
 x_10 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_8, x_9);
@@ -10069,9 +9416,9 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_14 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_11, x_5);
+x_14 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_11, x_5);
 lean_inc(x_13);
-x_15 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1), 8, 7);
+x_15 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__1), 8, 7);
 lean_closure_set(x_15, 0, x_1);
 lean_closure_set(x_15, 1, x_2);
 lean_closure_set(x_15, 2, x_3);
@@ -10095,9 +9442,9 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_20 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_17, x_5);
+x_20 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_17, x_5);
 lean_inc(x_19);
-x_21 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2), 8, 7);
+x_21 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__2), 8, 7);
 lean_closure_set(x_21, 0, x_1);
 lean_closure_set(x_21, 1, x_2);
 lean_closure_set(x_21, 2, x_3);
@@ -10117,23 +9464,15 @@ x_24 = lean_ctor_get(x_2, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_1, 1);
 lean_inc(x_25);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_25);
-lean_inc(x_5);
 lean_inc(x_1);
 lean_inc(x_23);
-x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3___boxed), 7, 6);
+x_26 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__6), 3, 2);
 lean_closure_set(x_26, 0, x_23);
 lean_closure_set(x_26, 1, x_1);
-lean_closure_set(x_26, 2, x_5);
-lean_closure_set(x_26, 3, x_25);
-lean_closure_set(x_26, 4, x_2);
-lean_closure_set(x_26, 5, x_3);
 lean_inc(x_25);
 x_27 = lean_apply_4(x_25, lean_box(0), lean_box(0), x_24, x_26);
 lean_inc(x_25);
-x_28 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__5), 8, 7);
+x_28 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__4), 8, 7);
 lean_closure_set(x_28, 0, x_1);
 lean_closure_set(x_28, 1, x_4);
 lean_closure_set(x_28, 2, x_2);
@@ -10162,15 +9501,15 @@ return x_32;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg), 5, 0);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
@@ -10187,20 +9526,20 @@ x_7 = lean_apply_2(x_6, lean_box(0), x_4);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 lean_inc(x_1);
-x_8 = l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg(x_1, x_2, x_3, x_4, x_5);
-x_9 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1), 3, 2);
+x_8 = l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_4, x_5);
+x_9 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__1), 3, 2);
 lean_closure_set(x_9, 0, x_7);
 lean_closure_set(x_9, 1, x_1);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 if (lean_obj_tag(x_4) == 0)
@@ -10233,9 +9572,9 @@ lean_inc(x_5);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_13 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg(x_1, x_2, x_3, x_10, x_5);
+x_13 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3, x_10, x_5);
 lean_inc(x_12);
-x_14 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__2), 7, 6);
+x_14 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2), 7, 6);
 lean_closure_set(x_14, 0, x_1);
 lean_closure_set(x_14, 1, x_2);
 lean_closure_set(x_14, 2, x_3);
@@ -10247,11 +9586,221 @@ return x_15;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__18(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateExprMVars___spec__15(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg), 5, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = 1;
+x_11 = lean_usize_add(x_1, x_10);
+x_12 = lean_array_uset(x_2, x_1, x_9);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; 
+x_9 = lean_usize_dec_lt(x_6, x_5);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_apply_2(x_11, lean_box(0), x_7);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_array_uget(x_7, x_6);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_uset(x_7, x_6, x_14);
+x_16 = lean_ctor_get(x_1, 1);
+lean_inc(x_16);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
+x_18 = lean_box_usize(x_6);
+x_19 = lean_box_usize(x_5);
+x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1___boxed), 9, 8);
+lean_closure_set(x_20, 0, x_18);
+lean_closure_set(x_20, 1, x_15);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_3);
+lean_closure_set(x_20, 5, x_4);
+lean_closure_set(x_20, 6, x_19);
+lean_closure_set(x_20, 7, x_8);
+x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
+return x_21;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___boxed), 8, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = 1;
+x_11 = lean_usize_add(x_1, x_10);
+x_12 = lean_array_uset(x_2, x_1, x_9);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; 
+x_9 = lean_usize_dec_lt(x_6, x_5);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_apply_2(x_11, lean_box(0), x_7);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_array_uget(x_7, x_6);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_uset(x_7, x_6, x_14);
+x_16 = lean_ctor_get(x_1, 1);
+lean_inc(x_16);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
+x_18 = lean_box_usize(x_6);
+x_19 = lean_box_usize(x_5);
+x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1___boxed), 9, 8);
+lean_closure_set(x_20, 0, x_18);
+lean_closure_set(x_20, 1, x_15);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_3);
+lean_closure_set(x_20, 5, x_4);
+lean_closure_set(x_20, 6, x_19);
+lean_closure_set(x_20, 7, x_8);
+x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
+return x_21;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___boxed), 8, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = 1;
+x_11 = lean_usize_add(x_1, x_10);
+x_12 = lean_array_uset(x_2, x_1, x_9);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; 
+x_9 = lean_usize_dec_lt(x_6, x_5);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_apply_2(x_11, lean_box(0), x_7);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_array_uget(x_7, x_6);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_uset(x_7, x_6, x_14);
+x_16 = lean_ctor_get(x_1, 1);
+lean_inc(x_16);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
+x_18 = lean_box_usize(x_6);
+x_19 = lean_box_usize(x_5);
+x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1___boxed), 9, 8);
+lean_closure_set(x_20, 0, x_18);
+lean_closure_set(x_20, 1, x_15);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_3);
+lean_closure_set(x_20, 5, x_4);
+lean_closure_set(x_20, 6, x_19);
+lean_closure_set(x_20, 7, x_8);
+x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
+return x_21;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___boxed), 8, 0);
 return x_3;
 }
 }
@@ -10325,73 +9874,45 @@ x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExp
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = 1;
-x_11 = lean_usize_add(x_1, x_10);
-x_12 = lean_array_uset(x_2, x_1, x_9);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; 
-x_9 = lean_usize_dec_lt(x_6, x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_13 = lean_array_uget(x_7, x_6);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_uset(x_7, x_6, x_14);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_8);
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_4 = lean_ctor_get(x_3, 7);
 lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
-x_18 = lean_box_usize(x_6);
-x_19 = lean_box_usize(x_5);
-x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1___boxed), 9, 8);
-lean_closure_set(x_20, 0, x_18);
-lean_closure_set(x_20, 1, x_15);
-lean_closure_set(x_20, 2, x_1);
-lean_closure_set(x_20, 3, x_2);
-lean_closure_set(x_20, 4, x_3);
-lean_closure_set(x_20, 5, x_4);
-lean_closure_set(x_20, 6, x_19);
-lean_closure_set(x_20, 7, x_8);
-x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
-return x_21;
+lean_dec(x_3);
+x_5 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_4, x_1);
+x_6 = lean_ctor_get(x_2, 0);
+lean_inc(x_6);
+lean_dec(x_2);
+x_7 = lean_ctor_get(x_6, 1);
+lean_inc(x_7);
+lean_dec(x_6);
+x_8 = lean_apply_2(x_7, lean_box(0), x_5);
+return x_8;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_6 = lean_ctor_get(x_2, 0);
+lean_inc(x_6);
+lean_dec(x_2);
+x_7 = lean_ctor_get(x_1, 1);
+lean_inc(x_7);
+x_8 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1), 3, 2);
+lean_closure_set(x_8, 0, x_4);
+lean_closure_set(x_8, 1, x_1);
+x_9 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_6, x_8);
+return x_9;
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20(lean_object* x_1, lean_object* x_2) {
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___boxed), 8, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___boxed), 5, 0);
 return x_3;
 }
 }
@@ -10535,96 +10056,143 @@ x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExp
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
-x_4 = lean_ctor_get(x_1, 1);
-lean_inc(x_4);
-lean_dec(x_1);
-x_5 = l_Lean_markUsedAssignment___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-return x_6;
+size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = 1;
+x_11 = lean_usize_add(x_1, x_10);
+x_12 = lean_array_uset(x_2, x_1, x_9);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
+return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg___boxed), 3, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
+uint8_t x_9; 
+x_9 = lean_usize_dec_lt(x_6, x_5);
+if (x_9 == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_7, 7);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_8, x_1);
-lean_inc(x_9);
-lean_inc(x_2);
-x_10 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_10, 0, x_2);
-lean_closure_set(x_10, 1, x_9);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_5);
-x_11 = lean_ctor_get(x_2, 0);
-lean_inc(x_11);
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_box(0);
-x_14 = lean_apply_2(x_12, lean_box(0), x_13);
-x_15 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_15, 0, x_10);
-lean_closure_set(x_15, 1, x_3);
-x_16 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_14, x_15);
-return x_16;
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_apply_2(x_11, lean_box(0), x_7);
+return x_12;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-lean_dec(x_9);
-lean_dec(x_2);
-x_17 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg(x_5, x_6, x_3);
-x_18 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__2), 3, 2);
-lean_closure_set(x_18, 0, x_10);
-lean_closure_set(x_18, 1, x_3);
-x_19 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_17, x_18);
-return x_19;
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_array_uget(x_7, x_6);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_uset(x_7, x_6, x_14);
+x_16 = lean_ctor_get(x_1, 1);
+lean_inc(x_16);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
+x_18 = lean_box_usize(x_6);
+x_19 = lean_box_usize(x_5);
+x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed), 9, 8);
+lean_closure_set(x_20, 0, x_18);
+lean_closure_set(x_20, 1, x_15);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_3);
+lean_closure_set(x_20, 5, x_4);
+lean_closure_set(x_20, 6, x_19);
+lean_closure_set(x_20, 7, x_8);
+x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
+return x_21;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_6 = lean_ctor_get(x_2, 0);
-lean_inc(x_6);
-x_7 = lean_ctor_get(x_1, 1);
-lean_inc(x_7);
-lean_inc(x_7);
-x_8 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed), 7, 6);
-lean_closure_set(x_8, 0, x_4);
-lean_closure_set(x_8, 1, x_1);
-lean_closure_set(x_8, 2, x_5);
-lean_closure_set(x_8, 3, x_7);
-lean_closure_set(x_8, 4, x_2);
-lean_closure_set(x_8, 5, x_3);
-x_9 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_6, x_8);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg), 5, 0);
+x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___boxed), 8, 0);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = 1;
+x_11 = lean_usize_add(x_1, x_10);
+x_12 = lean_array_uset(x_2, x_1, x_9);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+uint8_t x_9; 
+x_9 = lean_usize_dec_lt(x_6, x_5);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_10 = lean_ctor_get(x_1, 0);
+lean_inc(x_10);
+lean_dec(x_1);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_apply_2(x_11, lean_box(0), x_7);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_13 = lean_array_uget(x_7, x_6);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_uset(x_7, x_6, x_14);
+x_16 = lean_ctor_get(x_1, 1);
+lean_inc(x_16);
+lean_inc(x_8);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_1);
+x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
+x_18 = lean_box_usize(x_6);
+x_19 = lean_box_usize(x_5);
+x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1___boxed), 9, 8);
+lean_closure_set(x_20, 0, x_18);
+lean_closure_set(x_20, 1, x_15);
+lean_closure_set(x_20, 2, x_1);
+lean_closure_set(x_20, 3, x_2);
+lean_closure_set(x_20, 4, x_3);
+lean_closure_set(x_20, 5, x_4);
+lean_closure_set(x_20, 6, x_19);
+lean_closure_set(x_20, 7, x_8);
+x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
+return x_21;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___boxed), 8, 0);
 return x_3;
 }
 }
@@ -11958,287 +11526,7 @@ x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExp
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = 1;
-x_11 = lean_usize_add(x_1, x_10);
-x_12 = lean_array_uset(x_2, x_1, x_9);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; 
-x_9 = lean_usize_dec_lt(x_6, x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_13 = lean_array_uget(x_7, x_6);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_uset(x_7, x_6, x_14);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
-x_18 = lean_box_usize(x_6);
-x_19 = lean_box_usize(x_5);
-x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1___boxed), 9, 8);
-lean_closure_set(x_20, 0, x_18);
-lean_closure_set(x_20, 1, x_15);
-lean_closure_set(x_20, 2, x_1);
-lean_closure_set(x_20, 3, x_2);
-lean_closure_set(x_20, 4, x_3);
-lean_closure_set(x_20, 5, x_4);
-lean_closure_set(x_20, 6, x_19);
-lean_closure_set(x_20, 7, x_8);
-x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
-return x_21;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___boxed), 8, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = 1;
-x_11 = lean_usize_add(x_1, x_10);
-x_12 = lean_array_uset(x_2, x_1, x_9);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; 
-x_9 = lean_usize_dec_lt(x_6, x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_13 = lean_array_uget(x_7, x_6);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_uset(x_7, x_6, x_14);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
-x_18 = lean_box_usize(x_6);
-x_19 = lean_box_usize(x_5);
-x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1___boxed), 9, 8);
-lean_closure_set(x_20, 0, x_18);
-lean_closure_set(x_20, 1, x_15);
-lean_closure_set(x_20, 2, x_1);
-lean_closure_set(x_20, 3, x_2);
-lean_closure_set(x_20, 4, x_3);
-lean_closure_set(x_20, 5, x_4);
-lean_closure_set(x_20, 6, x_19);
-lean_closure_set(x_20, 7, x_8);
-x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
-return x_21;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___boxed), 8, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = 1;
-x_11 = lean_usize_add(x_1, x_10);
-x_12 = lean_array_uset(x_2, x_1, x_9);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; 
-x_9 = lean_usize_dec_lt(x_6, x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_13 = lean_array_uget(x_7, x_6);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_uset(x_7, x_6, x_14);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
-x_18 = lean_box_usize(x_6);
-x_19 = lean_box_usize(x_5);
-x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1___boxed), 9, 8);
-lean_closure_set(x_20, 0, x_18);
-lean_closure_set(x_20, 1, x_15);
-lean_closure_set(x_20, 2, x_1);
-lean_closure_set(x_20, 3, x_2);
-lean_closure_set(x_20, 4, x_3);
-lean_closure_set(x_20, 5, x_4);
-lean_closure_set(x_20, 6, x_19);
-lean_closure_set(x_20, 7, x_8);
-x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
-return x_21;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___boxed), 8, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, size_t x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = 1;
-x_11 = lean_usize_add(x_1, x_10);
-x_12 = lean_array_uset(x_2, x_1, x_9);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(x_3, x_4, x_5, x_6, x_7, x_11, x_12, x_8);
-return x_13;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, size_t x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-uint8_t x_9; 
-x_9 = lean_usize_dec_lt(x_6, x_5);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_7);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_13 = lean_array_uget(x_7, x_6);
-x_14 = lean_unsigned_to_nat(0u);
-x_15 = lean_array_uset(x_7, x_6, x_14);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_1);
-x_17 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_13, x_8);
-x_18 = lean_box_usize(x_6);
-x_19 = lean_box_usize(x_5);
-x_20 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1___boxed), 9, 8);
-lean_closure_set(x_20, 0, x_18);
-lean_closure_set(x_20, 1, x_15);
-lean_closure_set(x_20, 2, x_1);
-lean_closure_set(x_20, 3, x_2);
-lean_closure_set(x_20, 4, x_3);
-lean_closure_set(x_20, 5, x_4);
-lean_closure_set(x_20, 6, x_19);
-lean_closure_set(x_20, 7, x_8);
-x_21 = lean_apply_4(x_16, lean_box(0), lean_box(0), x_17, x_20);
-return x_21;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___boxed), 8, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
@@ -12253,7 +11541,7 @@ x_7 = lean_apply_2(x_6, lean_box(0), x_4);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12264,8 +11552,8 @@ x_11 = lean_usize_of_nat(x_10);
 lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12283,8 +11571,8 @@ x_18 = lean_usize_of_nat(x_17);
 lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
-x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12304,7 +11592,58 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+if (x_1 == 0)
+{
+lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_10 = lean_array_get_size(x_2);
+x_11 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_12 = 0;
+lean_inc(x_3);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_14, 0, x_9);
+lean_closure_set(x_14, 1, x_3);
+x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
+}
+else
+{
+uint8_t x_16; 
+x_16 = l_Lean_Expr_isLambda(x_9);
+if (x_16 == 0)
+{
+lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_17 = lean_array_get_size(x_2);
+x_18 = lean_usize_of_nat(x_17);
+lean_dec(x_17);
+x_19 = 0;
+lean_inc(x_3);
+x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_21, 0, x_9);
+lean_closure_set(x_21, 1, x_3);
+x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
+return x_22;
+}
+else
+{
+lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+lean_dec(x_8);
+x_23 = l_Array_reverse___rarg(x_2);
+x_24 = 0;
+x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
+lean_dec(x_23);
+x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12316,7 +11655,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12335,7 +11674,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12355,58 +11694,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-if (x_1 == 0)
-{
-lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_10 = lean_array_get_size(x_2);
-x_11 = lean_usize_of_nat(x_10);
-lean_dec(x_10);
-x_12 = 0;
-lean_inc(x_3);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_14, 0, x_9);
-lean_closure_set(x_14, 1, x_3);
-x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
-return x_15;
-}
-else
-{
-uint8_t x_16; 
-x_16 = l_Lean_Expr_isLambda(x_9);
-if (x_16 == 0)
-{
-lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_17 = lean_array_get_size(x_2);
-x_18 = lean_usize_of_nat(x_17);
-lean_dec(x_17);
-x_19 = 0;
-lean_inc(x_3);
-x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_21, 0, x_9);
-lean_closure_set(x_21, 1, x_3);
-x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
-return x_22;
-}
-else
-{
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
-x_23 = l_Array_reverse___rarg(x_2);
-x_24 = 0;
-x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
-lean_dec(x_23);
-x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
-return x_26;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -12427,7 +11715,7 @@ x_13 = lean_apply_2(x_12, lean_box(0), x_10);
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 uint8_t x_13; 
@@ -12439,8 +11727,8 @@ lean_dec(x_11);
 x_14 = lean_usize_of_nat(x_1);
 x_15 = 0;
 lean_inc(x_2);
-x_16 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg(x_2, x_3, x_4, x_5, x_14, x_15, x_6, x_7);
-x_17 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5___boxed), 5, 4);
+x_16 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg(x_2, x_3, x_4, x_5, x_14, x_15, x_6, x_7);
+x_17 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5___boxed), 5, 4);
 lean_closure_set(x_17, 0, x_12);
 lean_closure_set(x_17, 1, x_8);
 lean_closure_set(x_17, 2, x_9);
@@ -12457,8 +11745,8 @@ lean_dec(x_8);
 x_19 = lean_usize_of_nat(x_1);
 x_20 = 0;
 lean_inc(x_2);
-x_21 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg(x_2, x_3, x_4, x_5, x_19, x_20, x_6, x_7);
-x_22 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg(x_2, x_3, x_4, x_5, x_19, x_20, x_6, x_7);
+x_22 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_22, 0, x_11);
 lean_closure_set(x_22, 1, x_2);
 x_23 = lean_apply_4(x_10, lean_box(0), lean_box(0), x_21, x_22);
@@ -12466,7 +11754,7 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 if (lean_obj_tag(x_10) == 0)
@@ -12480,7 +11768,7 @@ lean_inc(x_1);
 x_11 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_5, x_6);
 x_12 = lean_box(x_7);
 lean_inc(x_9);
-x_13 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4___boxed), 9, 8);
+x_13 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4___boxed), 9, 8);
 lean_closure_set(x_13, 0, x_12);
 lean_closure_set(x_13, 1, x_8);
 lean_closure_set(x_13, 2, x_1);
@@ -12517,7 +11805,7 @@ lean_inc(x_2);
 lean_inc(x_1);
 x_22 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_21, x_6);
 lean_inc(x_9);
-x_23 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6___boxed), 12, 11);
+x_23 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6___boxed), 12, 11);
 lean_closure_set(x_23, 0, x_18);
 lean_closure_set(x_23, 1, x_1);
 lean_closure_set(x_23, 2, x_2);
@@ -12542,8 +11830,8 @@ x_25 = lean_usize_of_nat(x_18);
 lean_dec(x_18);
 x_26 = 0;
 lean_inc(x_1);
-x_27 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(x_1, x_2, x_3, x_4, x_25, x_26, x_8, x_6);
-x_28 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_27 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg(x_1, x_2, x_3, x_4, x_25, x_26, x_8, x_6);
+x_28 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_28, 0, x_5);
 lean_closure_set(x_28, 1, x_1);
 x_29 = lean_apply_4(x_9, lean_box(0), lean_box(0), x_27, x_28);
@@ -12552,7 +11840,7 @@ return x_29;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12563,8 +11851,8 @@ x_11 = lean_usize_of_nat(x_10);
 lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12582,8 +11870,8 @@ x_18 = lean_usize_of_nat(x_17);
 lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
-x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__31___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12603,7 +11891,58 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+if (x_1 == 0)
+{
+lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_10 = lean_array_get_size(x_2);
+x_11 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_12 = 0;
+lean_inc(x_3);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_14, 0, x_9);
+lean_closure_set(x_14, 1, x_3);
+x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
+}
+else
+{
+uint8_t x_16; 
+x_16 = l_Lean_Expr_isLambda(x_9);
+if (x_16 == 0)
+{
+lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_17 = lean_array_get_size(x_2);
+x_18 = lean_usize_of_nat(x_17);
+lean_dec(x_17);
+x_19 = 0;
+lean_inc(x_3);
+x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_21, 0, x_9);
+lean_closure_set(x_21, 1, x_3);
+x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
+return x_22;
+}
+else
+{
+lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+lean_dec(x_8);
+x_23 = l_Array_reverse___rarg(x_2);
+x_24 = 0;
+x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
+lean_dec(x_23);
+x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12615,7 +11954,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12634,7 +11973,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__33___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12654,7 +11993,58 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+if (x_1 == 0)
+{
+lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_10 = lean_array_get_size(x_2);
+x_11 = lean_usize_of_nat(x_10);
+lean_dec(x_10);
+x_12 = 0;
+lean_inc(x_3);
+x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_14, 0, x_9);
+lean_closure_set(x_14, 1, x_3);
+x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
+}
+else
+{
+uint8_t x_16; 
+x_16 = l_Lean_Expr_isLambda(x_9);
+if (x_16 == 0)
+{
+lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_17 = lean_array_get_size(x_2);
+x_18 = lean_usize_of_nat(x_17);
+lean_dec(x_17);
+x_19 = 0;
+lean_inc(x_3);
+x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__35___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
+lean_closure_set(x_21, 0, x_9);
+lean_closure_set(x_21, 1, x_3);
+x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
+return x_22;
+}
+else
+{
+lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+lean_dec(x_8);
+x_23 = l_Array_reverse___rarg(x_2);
+x_24 = 0;
+x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
+lean_dec(x_23);
+x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
+return x_26;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12666,7 +12056,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__36___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12685,7 +12075,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__37___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12705,7 +12095,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12717,7 +12107,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12736,7 +12126,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__39___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12756,7 +12146,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12768,7 +12158,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__40___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12787,7 +12177,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__41___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12807,7 +12197,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 if (x_1 == 0)
@@ -12819,7 +12209,7 @@ lean_dec(x_10);
 x_12 = 0;
 lean_inc(x_3);
 x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_14, 0, x_9);
 lean_closure_set(x_14, 1, x_3);
 x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
@@ -12838,7 +12228,7 @@ lean_dec(x_17);
 x_19 = 0;
 lean_inc(x_3);
 x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1), 3, 2);
 lean_closure_set(x_21, 0, x_9);
 lean_closure_set(x_21, 1, x_3);
 x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
@@ -12858,109 +12248,7 @@ return x_26;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-if (x_1 == 0)
-{
-lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_10 = lean_array_get_size(x_2);
-x_11 = lean_usize_of_nat(x_10);
-lean_dec(x_10);
-x_12 = 0;
-lean_inc(x_3);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_14, 0, x_9);
-lean_closure_set(x_14, 1, x_3);
-x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
-return x_15;
-}
-else
-{
-uint8_t x_16; 
-x_16 = l_Lean_Expr_isLambda(x_9);
-if (x_16 == 0)
-{
-lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_17 = lean_array_get_size(x_2);
-x_18 = lean_usize_of_nat(x_17);
-lean_dec(x_17);
-x_19 = 0;
-lean_inc(x_3);
-x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_21, 0, x_9);
-lean_closure_set(x_21, 1, x_3);
-x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
-return x_22;
-}
-else
-{
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
-x_23 = l_Array_reverse___rarg(x_2);
-x_24 = 0;
-x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
-lean_dec(x_23);
-x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
-return x_26;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-if (x_1 == 0)
-{
-lean_object* x_10; size_t x_11; size_t x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_10 = lean_array_get_size(x_2);
-x_11 = lean_usize_of_nat(x_10);
-lean_dec(x_10);
-x_12 = 0;
-lean_inc(x_3);
-x_13 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg(x_3, x_4, x_5, x_6, x_11, x_12, x_2, x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_14, 0, x_9);
-lean_closure_set(x_14, 1, x_3);
-x_15 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_13, x_14);
-return x_15;
-}
-else
-{
-uint8_t x_16; 
-x_16 = l_Lean_Expr_isLambda(x_9);
-if (x_16 == 0)
-{
-lean_object* x_17; size_t x_18; size_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_17 = lean_array_get_size(x_2);
-x_18 = lean_usize_of_nat(x_17);
-lean_dec(x_17);
-x_19 = 0;
-lean_inc(x_3);
-x_20 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(x_3, x_4, x_5, x_6, x_18, x_19, x_2, x_7);
-x_21 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_21, 0, x_9);
-lean_closure_set(x_21, 1, x_3);
-x_22 = lean_apply_4(x_8, lean_box(0), lean_box(0), x_20, x_21);
-return x_22;
-}
-else
-{
-lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_8);
-x_23 = l_Array_reverse___rarg(x_2);
-x_24 = 0;
-x_25 = l_Lean_Expr_betaRev(x_9, x_23, x_24, x_24);
-lean_dec(x_23);
-x_26 = l_Lean_instantiateExprMVars___rarg(x_3, x_4, x_5, x_6, x_25, x_7);
-return x_26;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 switch (lean_obj_tag(x_6)) {
@@ -12977,7 +12265,7 @@ lean_inc(x_1);
 x_11 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_12 = lean_box(x_10);
 lean_inc(x_5);
-x_13 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2___boxed), 9, 8);
+x_13 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2___boxed), 9, 8);
 lean_closure_set(x_13, 0, x_12);
 lean_closure_set(x_13, 1, x_7);
 lean_closure_set(x_13, 2, x_1);
@@ -13002,7 +12290,7 @@ lean_inc(x_1);
 x_16 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_17 = lean_box(x_15);
 lean_inc(x_5);
-x_18 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3___boxed), 9, 8);
+x_18 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3___boxed), 9, 8);
 lean_closure_set(x_18, 0, x_17);
 lean_closure_set(x_18, 1, x_7);
 lean_closure_set(x_18, 2, x_1);
@@ -13021,14 +12309,12 @@ lean_dec(x_8);
 x_20 = lean_ctor_get(x_6, 0);
 lean_inc(x_20);
 x_21 = l_Lean_Expr_isMVar(x_6);
-lean_inc(x_9);
-lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_22 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg(x_1, x_2, x_3, x_20, x_9);
+x_22 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg(x_1, x_2, x_3, x_20, x_9);
 x_23 = lean_box(x_21);
 lean_inc(x_5);
-x_24 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7___boxed), 10, 9);
+x_24 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7___boxed), 10, 9);
 lean_closure_set(x_24, 0, x_1);
 lean_closure_set(x_24, 1, x_2);
 lean_closure_set(x_24, 2, x_3);
@@ -13054,7 +12340,7 @@ lean_inc(x_1);
 x_27 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_28 = lean_box(x_26);
 lean_inc(x_5);
-x_29 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8___boxed), 9, 8);
+x_29 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8___boxed), 9, 8);
 lean_closure_set(x_29, 0, x_28);
 lean_closure_set(x_29, 1, x_7);
 lean_closure_set(x_29, 2, x_1);
@@ -13079,7 +12365,7 @@ lean_inc(x_1);
 x_32 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_33 = lean_box(x_31);
 lean_inc(x_5);
-x_34 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9___boxed), 9, 8);
+x_34 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9___boxed), 9, 8);
 lean_closure_set(x_34, 0, x_33);
 lean_closure_set(x_34, 1, x_7);
 lean_closure_set(x_34, 2, x_1);
@@ -13121,7 +12407,7 @@ lean_inc(x_1);
 x_43 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_44 = lean_box(x_42);
 lean_inc(x_5);
-x_45 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10___boxed), 9, 8);
+x_45 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10___boxed), 9, 8);
 lean_closure_set(x_45, 0, x_44);
 lean_closure_set(x_45, 1, x_7);
 lean_closure_set(x_45, 2, x_1);
@@ -13146,7 +12432,7 @@ lean_inc(x_1);
 x_48 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_49 = lean_box(x_47);
 lean_inc(x_5);
-x_50 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11___boxed), 9, 8);
+x_50 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11___boxed), 9, 8);
 lean_closure_set(x_50, 0, x_49);
 lean_closure_set(x_50, 1, x_7);
 lean_closure_set(x_50, 2, x_1);
@@ -13171,7 +12457,7 @@ lean_inc(x_1);
 x_53 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_54 = lean_box(x_52);
 lean_inc(x_5);
-x_55 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12___boxed), 9, 8);
+x_55 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12___boxed), 9, 8);
 lean_closure_set(x_55, 0, x_54);
 lean_closure_set(x_55, 1, x_7);
 lean_closure_set(x_55, 2, x_1);
@@ -13196,7 +12482,7 @@ lean_inc(x_1);
 x_58 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_59 = lean_box(x_57);
 lean_inc(x_5);
-x_60 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13___boxed), 9, 8);
+x_60 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13___boxed), 9, 8);
 lean_closure_set(x_60, 0, x_59);
 lean_closure_set(x_60, 1, x_7);
 lean_closure_set(x_60, 2, x_1);
@@ -13221,7 +12507,7 @@ lean_inc(x_1);
 x_63 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_64 = lean_box(x_62);
 lean_inc(x_5);
-x_65 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14___boxed), 9, 8);
+x_65 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14___boxed), 9, 8);
 lean_closure_set(x_65, 0, x_64);
 lean_closure_set(x_65, 1, x_7);
 lean_closure_set(x_65, 2, x_1);
@@ -13246,7 +12532,7 @@ lean_inc(x_1);
 x_68 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_6, x_9);
 x_69 = lean_box(x_67);
 lean_inc(x_5);
-x_70 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15___boxed), 9, 8);
+x_70 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15___boxed), 9, 8);
 lean_closure_set(x_70, 0, x_69);
 lean_closure_set(x_70, 1, x_7);
 lean_closure_set(x_70, 2, x_1);
@@ -13261,11 +12547,11 @@ return x_71;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg), 9, 0);
+x_3 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg), 9, 0);
 return x_3;
 }
 }
@@ -13328,8 +12614,8 @@ _start:
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
 lean_inc(x_7);
-x_8 = l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_7, x_4);
-x_9 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_8 = l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg(x_1, x_2, x_3, x_7, x_4);
+x_9 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_9, 0, x_5);
 lean_closure_set(x_9, 1, x_7);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
@@ -13394,7 +12680,7 @@ x_8 = lean_alloc_closure((void*)(l_ST_Prim_Ref_modifyGetUnsafe___rarg___boxed),
 lean_closure_set(x_8, 0, x_2);
 lean_closure_set(x_8, 1, x_7);
 x_9 = lean_apply_2(x_3, lean_box(0), x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_10, 0, x_4);
 lean_closure_set(x_10, 1, x_6);
 x_11 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_9, x_10);
@@ -13407,9 +12693,7 @@ _start:
 if (lean_obj_tag(x_9) == 0)
 {
 lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
 x_10 = l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg(x_1, x_2, x_3, x_4, x_5);
@@ -14303,7 +13587,7 @@ x_15 = lean_ctor_get(x_1, 0);
 lean_inc(x_15);
 lean_inc(x_3);
 lean_inc(x_2);
-x_16 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg(x_2, x_6, x_7, x_15, x_3);
+x_16 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg(x_2, x_6, x_7, x_15, x_3);
 lean_inc(x_1);
 lean_inc(x_2);
 x_17 = lean_alloc_closure((void*)(l_Lean_instantiateExprMVars___rarg___lambda__9), 3, 2);
@@ -14329,7 +13613,7 @@ x_21 = lean_ctor_get(x_1, 1);
 lean_inc(x_21);
 lean_inc(x_3);
 lean_inc(x_2);
-x_22 = l_List_mapM___at_Lean_instantiateExprMVars___spec__18___rarg(x_2, x_6, x_7, x_21, x_3);
+x_22 = l_List_mapM___at_Lean_instantiateExprMVars___spec__15___rarg(x_2, x_6, x_7, x_21, x_3);
 lean_inc(x_1);
 lean_inc(x_2);
 x_23 = lean_alloc_closure((void*)(l_Lean_instantiateExprMVars___rarg___lambda__10), 3, 2);
@@ -14364,7 +13648,7 @@ lean_inc(x_1);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_2);
-x_33 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg(x_2, x_6, x_7, x_4, x_5, x_1, x_30, x_32, x_3);
+x_33 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg(x_2, x_6, x_7, x_4, x_5, x_1, x_30, x_32, x_3);
 lean_inc(x_5);
 x_34 = lean_alloc_closure((void*)(l_Lean_instantiateExprMVars___rarg___lambda__7), 6, 5);
 lean_closure_set(x_34, 0, x_1);
@@ -14688,53 +13972,62 @@ x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10___rarg(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__1(x_1, x_2, x_3, x_4);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__11___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_5);
+lean_dec(x_3);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l_Lean_MVarId_assign___at_Lean_instantiateExprMVars___spec__10___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_5);
 lean_dec(x_2);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__13___rarg(x_1, x_2, x_3);
-lean_dec(x_3);
+lean_object* x_6; 
+x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__12___rarg(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_5);
 lean_dec(x_2);
-return x_4;
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__2(x_1, x_2, x_3, x_4);
+lean_dec(x_1);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__4(x_1, x_2, x_3, x_4);
+lean_dec(x_1);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__11___rarg___lambda__7(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_8;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__14___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
@@ -14747,80 +14040,86 @@ lean_dec(x_2);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__2(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__4(x_1, x_2, x_3, x_4);
-lean_dec(x_1);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__6(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__7(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__13___rarg___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_4);
 lean_dec(x_2);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_4;
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_11 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_6; 
-x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateExprMVars___spec__17___rarg(x_1, x_2, x_3, x_4, x_5);
+size_t x_9; size_t x_10; lean_object* x_11; 
+x_9 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-lean_dec(x_2);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; 
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_10 = lean_unbox_usize(x_6);
 lean_dec(x_6);
-return x_8;
+x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__16___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
+return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
-lean_dec(x_4);
-lean_dec(x_2);
-return x_8;
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_11 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+size_t x_9; size_t x_10; lean_object* x_11; 
+x_9 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_10 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__17___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_11 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+size_t x_9; size_t x_10; lean_object* x_11; 
+x_9 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_10 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__18___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
@@ -14847,28 +14146,14 @@ x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg(x
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_11 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-size_t x_9; size_t x_10; lean_object* x_11; 
-x_9 = lean_unbox_usize(x_5);
+lean_object* x_6; 
+x_6 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__20___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_5);
-x_10 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__20___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
-return x_11;
+lean_dec(x_3);
+return x_6;
 }
 }
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
@@ -14919,23 +14204,52 @@ x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg(x
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_4; 
-x_4 = l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__24___rarg(x_1, x_2, x_3);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_4;
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_11 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23___rarg___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+size_t x_9; size_t x_10; lean_object* x_11; 
+x_9 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_10 = lean_unbox_usize(x_6);
 lean_dec(x_6);
-return x_8;
+x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__23___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+size_t x_10; size_t x_11; lean_object* x_12; 
+x_10 = lean_unbox_usize(x_1);
+lean_dec(x_1);
+x_11 = lean_unbox_usize(x_7);
+lean_dec(x_7);
+x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+size_t x_9; size_t x_10; lean_object* x_11; 
+x_9 = lean_unbox_usize(x_5);
+lean_dec(x_5);
+x_10 = lean_unbox_usize(x_6);
+lean_dec(x_6);
+x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__24___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
@@ -15394,239 +14708,143 @@ x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg(x
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_11 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-size_t x_9; size_t x_10; lean_object* x_11; 
-x_9 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_10 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__44___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_11 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-size_t x_9; size_t x_10; lean_object* x_11; 
-x_9 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_10 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_11 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-size_t x_9; size_t x_10; lean_object* x_11; 
-x_9 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_10 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__46___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-size_t x_10; size_t x_11; lean_object* x_12; 
-x_10 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_11 = lean_unbox_usize(x_7);
-lean_dec(x_7);
-x_12 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___lambda__1(x_10, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-size_t x_9; size_t x_10; lean_object* x_11; 
-x_9 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_10 = lean_unbox_usize(x_6);
-lean_dec(x_6);
-x_11 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(x_1, x_2, x_3, x_4, x_9, x_10, x_7, x_8);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__2(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__2(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__3(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__4(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__4(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__5(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 lean_object* x_13; 
-x_13 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_13 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__6(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_1);
 return x_13;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 uint8_t x_11; lean_object* x_12; 
 x_11 = lean_unbox(x_7);
 lean_dec(x_7);
-x_12 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__7(x_1, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9, x_10);
+x_12 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__7(x_1, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9, x_10);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__8(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__8(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__9(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__9(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__10(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__11(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__11(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__12(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__13(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__14(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__14(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = lean_unbox(x_1);
 lean_dec(x_1);
-x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__15(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+x_11 = l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__44___rarg___lambda__15(x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 return x_11;
 }
 }
@@ -15800,198 +15018,6 @@ x_2 = l_Std_mkHashMapImp___rarg(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_st_ref_take(x_1, x_2);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = lean_ctor_get(x_3, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_3, 1);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = !lean_is_exclusive(x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; lean_object* x_8; 
-x_7 = 1;
-lean_ctor_set_uint8(x_4, sizeof(void*)*8, x_7);
-x_8 = lean_st_ref_set(x_1, x_4, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-x_11 = lean_box(0);
-lean_ctor_set(x_8, 0, x_11);
-return x_8;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_8, 1);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_8);
-if (x_15 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_8, 0);
-x_17 = lean_ctor_get(x_8, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_8);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = lean_ctor_get(x_4, 0);
-x_20 = lean_ctor_get(x_4, 1);
-x_21 = lean_ctor_get(x_4, 2);
-x_22 = lean_ctor_get(x_4, 3);
-x_23 = lean_ctor_get(x_4, 4);
-x_24 = lean_ctor_get(x_4, 5);
-x_25 = lean_ctor_get(x_4, 6);
-x_26 = lean_ctor_get(x_4, 7);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_4);
-x_27 = 1;
-x_28 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_28, 0, x_19);
-lean_ctor_set(x_28, 1, x_20);
-lean_ctor_set(x_28, 2, x_21);
-lean_ctor_set(x_28, 3, x_22);
-lean_ctor_set(x_28, 4, x_23);
-lean_ctor_set(x_28, 5, x_24);
-lean_ctor_set(x_28, 6, x_25);
-lean_ctor_set(x_28, 7, x_26);
-lean_ctor_set_uint8(x_28, sizeof(void*)*8, x_27);
-x_29 = lean_st_ref_set(x_1, x_28, x_5);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_31 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_31 = lean_box(0);
-}
-x_32 = lean_box(0);
-if (lean_is_scalar(x_31)) {
- x_33 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_33 = x_31;
-}
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_29, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 1);
-lean_inc(x_35);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_36 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_36 = lean_box(0);
-}
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_37 = x_36;
-}
-lean_ctor_set(x_37, 0, x_34);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-x_38 = !lean_is_exclusive(x_3);
-if (x_38 == 0)
-{
-return x_3;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_3, 0);
-x_40 = lean_ctor_get(x_3, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_3);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed), 2, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_5);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -16003,161 +15029,48 @@ uint8_t x_6;
 x_6 = !lean_is_exclusive(x_5);
 if (x_6 == 0)
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_object* x_7; lean_object* x_8; 
 x_7 = lean_ctor_get(x_5, 0);
-x_8 = lean_ctor_get(x_5, 1);
-x_9 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_7, x_1);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_ctor_set(x_5, 0, x_9);
+x_8 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_7, x_1);
+lean_ctor_set(x_5, 0, x_8);
 return x_5;
 }
 else
 {
-lean_object* x_10; 
-lean_free_object(x_5);
-x_10 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg(x_3, x_8);
-if (lean_obj_tag(x_10) == 0)
-{
-uint8_t x_11; 
-x_11 = !lean_is_exclusive(x_10);
-if (x_11 == 0)
-{
-lean_object* x_12; 
-x_12 = lean_ctor_get(x_10, 0);
-lean_dec(x_12);
-lean_ctor_set(x_10, 0, x_9);
-return x_10;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_ctor_get(x_10, 1);
-lean_inc(x_13);
-lean_dec(x_10);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_9);
-lean_ctor_set(x_14, 1, x_13);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-lean_dec(x_9);
-x_15 = !lean_is_exclusive(x_10);
-if (x_15 == 0)
-{
-return x_10;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_10, 0);
-x_17 = lean_ctor_get(x_10, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_10);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_5, 0);
-x_20 = lean_ctor_get(x_5, 1);
-lean_inc(x_20);
-lean_inc(x_19);
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_ctor_get(x_5, 0);
+x_10 = lean_ctor_get(x_5, 1);
+lean_inc(x_10);
+lean_inc(x_9);
 lean_dec(x_5);
-x_21 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_19, x_1);
-if (lean_obj_tag(x_21) == 0)
-{
-lean_object* x_22; 
-x_22 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_22, 0, x_21);
-lean_ctor_set(x_22, 1, x_20);
-return x_22;
-}
-else
-{
-lean_object* x_23; 
-x_23 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg(x_3, x_20);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_23, 1);
-lean_inc(x_24);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- x_25 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_25 = lean_box(0);
-}
-if (lean_is_scalar(x_25)) {
- x_26 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_26 = x_25;
-}
-lean_ctor_set(x_26, 0, x_21);
-lean_ctor_set(x_26, 1, x_24);
-return x_26;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-lean_dec(x_21);
-x_27 = lean_ctor_get(x_23, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_23, 1);
-lean_inc(x_28);
-if (lean_is_exclusive(x_23)) {
- lean_ctor_release(x_23, 0);
- lean_ctor_release(x_23, 1);
- x_29 = x_23;
-} else {
- lean_dec_ref(x_23);
- x_29 = lean_box(0);
-}
-if (lean_is_scalar(x_29)) {
- x_30 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_30 = x_29;
-}
-lean_ctor_set(x_30, 0, x_27);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
-}
+x_11 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_9, x_1);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_10);
+return x_12;
 }
 }
 else
 {
-uint8_t x_31; 
+uint8_t x_13; 
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_5);
-if (x_31 == 0)
+x_13 = !lean_is_exclusive(x_5);
+if (x_13 == 0)
 {
 return x_5;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_5, 0);
-x_33 = lean_ctor_get(x_5, 1);
-lean_inc(x_33);
-lean_inc(x_32);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = lean_ctor_get(x_5, 0);
+x_15 = lean_ctor_get(x_5, 1);
+lean_inc(x_15);
+lean_inc(x_14);
 lean_dec(x_5);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
+x_16 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_16, 0, x_14);
+lean_ctor_set(x_16, 1, x_15);
+return x_16;
 }
 }
 }
@@ -16170,7 +15083,7 @@ x_2 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_inst
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
@@ -16186,74 +15099,71 @@ lean_dec(x_6);
 x_9 = !lean_is_exclusive(x_7);
 if (x_9 == 0)
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_10 = lean_ctor_get(x_7, 6);
 x_11 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_10, x_1, x_2);
-x_12 = 1;
 lean_ctor_set(x_7, 6, x_11);
-lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
-x_13 = lean_st_ref_set(x_4, x_7, x_8);
-if (lean_obj_tag(x_13) == 0)
+x_12 = lean_st_ref_set(x_4, x_7, x_8);
+if (lean_obj_tag(x_12) == 0)
 {
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_13, 0);
-lean_dec(x_15);
-x_16 = lean_box(0);
-lean_ctor_set(x_13, 0, x_16);
-return x_13;
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_12, 0, x_15);
+return x_12;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
-return x_19;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_12, 1);
+lean_inc(x_16);
+lean_dec(x_12);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
 }
 }
 else
 {
-uint8_t x_20; 
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
 {
-return x_13;
+return x_12;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
 lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_24 = lean_ctor_get(x_7, 0);
-x_25 = lean_ctor_get(x_7, 1);
-x_26 = lean_ctor_get(x_7, 2);
-x_27 = lean_ctor_get(x_7, 3);
-x_28 = lean_ctor_get(x_7, 4);
-x_29 = lean_ctor_get(x_7, 5);
-x_30 = lean_ctor_get(x_7, 6);
-x_31 = lean_ctor_get(x_7, 7);
-lean_inc(x_31);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_23 = lean_ctor_get(x_7, 0);
+x_24 = lean_ctor_get(x_7, 1);
+x_25 = lean_ctor_get(x_7, 2);
+x_26 = lean_ctor_get(x_7, 3);
+x_27 = lean_ctor_get(x_7, 4);
+x_28 = lean_ctor_get(x_7, 5);
+x_29 = lean_ctor_get(x_7, 6);
+x_30 = lean_ctor_get(x_7, 7);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
@@ -16261,104 +15171,103 @@ lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
+lean_inc(x_23);
 lean_dec(x_7);
-x_32 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_30, x_1, x_2);
-x_33 = 1;
-x_34 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_29);
-lean_ctor_set(x_34, 6, x_32);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_st_ref_set(x_4, x_34, x_8);
-if (lean_obj_tag(x_35) == 0)
+x_31 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_29, x_1, x_2);
+x_32 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_32, 0, x_23);
+lean_ctor_set(x_32, 1, x_24);
+lean_ctor_set(x_32, 2, x_25);
+lean_ctor_set(x_32, 3, x_26);
+lean_ctor_set(x_32, 4, x_27);
+lean_ctor_set(x_32, 5, x_28);
+lean_ctor_set(x_32, 6, x_31);
+lean_ctor_set(x_32, 7, x_30);
+x_33 = lean_st_ref_set(x_4, x_32, x_8);
+if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_35, 1);
-lean_inc(x_36);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_35 = x_33;
+} else {
+ lean_dec_ref(x_33);
+ x_35 = lean_box(0);
+}
+x_36 = lean_box(0);
+if (lean_is_scalar(x_35)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_37 = x_35;
-} else {
- lean_dec_ref(x_35);
- x_37 = lean_box(0);
 }
-x_38 = lean_box(0);
-if (lean_is_scalar(x_37)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_39 = x_37;
-}
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_36);
-return x_39;
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_35, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_35, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- x_42 = x_35;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_38 = lean_ctor_get(x_33, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_33, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_40 = x_33;
 } else {
- lean_dec_ref(x_35);
- x_42 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_40 = lean_box(0);
 }
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_40)) {
+ x_41 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_43 = x_42;
+ x_41 = x_40;
 }
-lean_ctor_set(x_43, 0, x_40);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
+lean_ctor_set(x_41, 0, x_38);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
 else
 {
-uint8_t x_44; 
+uint8_t x_42; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_6);
-if (x_44 == 0)
+x_42 = !lean_is_exclusive(x_6);
+if (x_42 == 0)
 {
 return x_6;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_6, 0);
-x_46 = lean_ctor_get(x_6, 1);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_6, 0);
+x_44 = lean_ctor_get(x_6, 1);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_6);
-x_47 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_47, 0, x_45);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
@@ -16374,74 +15283,71 @@ lean_dec(x_6);
 x_9 = !lean_is_exclusive(x_7);
 if (x_9 == 0)
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_10 = lean_ctor_get(x_7, 5);
 x_11 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_10, x_1, x_2);
-x_12 = 1;
 lean_ctor_set(x_7, 5, x_11);
-lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
-x_13 = lean_st_ref_set(x_4, x_7, x_8);
-if (lean_obj_tag(x_13) == 0)
+x_12 = lean_st_ref_set(x_4, x_7, x_8);
+if (lean_obj_tag(x_12) == 0)
 {
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_13, 0);
-lean_dec(x_15);
-x_16 = lean_box(0);
-lean_ctor_set(x_13, 0, x_16);
-return x_13;
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_12, 0, x_15);
+return x_12;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
-return x_19;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_12, 1);
+lean_inc(x_16);
+lean_dec(x_12);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
 }
 }
 else
 {
-uint8_t x_20; 
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
 {
-return x_13;
+return x_12;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
 lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_24 = lean_ctor_get(x_7, 0);
-x_25 = lean_ctor_get(x_7, 1);
-x_26 = lean_ctor_get(x_7, 2);
-x_27 = lean_ctor_get(x_7, 3);
-x_28 = lean_ctor_get(x_7, 4);
-x_29 = lean_ctor_get(x_7, 5);
-x_30 = lean_ctor_get(x_7, 6);
-x_31 = lean_ctor_get(x_7, 7);
-lean_inc(x_31);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_23 = lean_ctor_get(x_7, 0);
+x_24 = lean_ctor_get(x_7, 1);
+x_25 = lean_ctor_get(x_7, 2);
+x_26 = lean_ctor_get(x_7, 3);
+x_27 = lean_ctor_get(x_7, 4);
+x_28 = lean_ctor_get(x_7, 5);
+x_29 = lean_ctor_get(x_7, 6);
+x_30 = lean_ctor_get(x_7, 7);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
@@ -16449,286 +15355,103 @@ lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
+lean_inc(x_23);
 lean_dec(x_7);
-x_32 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_29, x_1, x_2);
-x_33 = 1;
-x_34 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_32);
-lean_ctor_set(x_34, 6, x_30);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_st_ref_set(x_4, x_34, x_8);
-if (lean_obj_tag(x_35) == 0)
+x_31 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_28, x_1, x_2);
+x_32 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_32, 0, x_23);
+lean_ctor_set(x_32, 1, x_24);
+lean_ctor_set(x_32, 2, x_25);
+lean_ctor_set(x_32, 3, x_26);
+lean_ctor_set(x_32, 4, x_27);
+lean_ctor_set(x_32, 5, x_31);
+lean_ctor_set(x_32, 6, x_29);
+lean_ctor_set(x_32, 7, x_30);
+x_33 = lean_st_ref_set(x_4, x_32, x_8);
+if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_35, 1);
-lean_inc(x_36);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_35 = x_33;
+} else {
+ lean_dec_ref(x_33);
+ x_35 = lean_box(0);
+}
+x_36 = lean_box(0);
+if (lean_is_scalar(x_35)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_37 = x_35;
-} else {
- lean_dec_ref(x_35);
- x_37 = lean_box(0);
 }
-x_38 = lean_box(0);
-if (lean_is_scalar(x_37)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_39 = x_37;
-}
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_36);
-return x_39;
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_35, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_35, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- x_42 = x_35;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_38 = lean_ctor_get(x_33, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_33, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_40 = x_33;
 } else {
- lean_dec_ref(x_35);
- x_42 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_40 = lean_box(0);
 }
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_40)) {
+ x_41 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_43 = x_42;
+ x_41 = x_40;
 }
-lean_ctor_set(x_43, 0, x_40);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
+lean_ctor_set(x_41, 0, x_38);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
 else
 {
-uint8_t x_44; 
+uint8_t x_42; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_6);
-if (x_44 == 0)
+x_42 = !lean_is_exclusive(x_6);
+if (x_42 == 0)
 {
 return x_6;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_6, 0);
-x_46 = lean_ctor_get(x_6, 1);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_6, 0);
+x_44 = lean_ctor_get(x_6, 1);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_6);
-x_47 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_47, 0, x_45);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_st_ref_take(x_1, x_2);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = lean_ctor_get(x_3, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_3, 1);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = !lean_is_exclusive(x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; lean_object* x_8; 
-x_7 = 1;
-lean_ctor_set_uint8(x_4, sizeof(void*)*8, x_7);
-x_8 = lean_st_ref_set(x_1, x_4, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-x_11 = lean_box(0);
-lean_ctor_set(x_8, 0, x_11);
-return x_8;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_8, 1);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_8);
-if (x_15 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_8, 0);
-x_17 = lean_ctor_get(x_8, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_8);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = lean_ctor_get(x_4, 0);
-x_20 = lean_ctor_get(x_4, 1);
-x_21 = lean_ctor_get(x_4, 2);
-x_22 = lean_ctor_get(x_4, 3);
-x_23 = lean_ctor_get(x_4, 4);
-x_24 = lean_ctor_get(x_4, 5);
-x_25 = lean_ctor_get(x_4, 6);
-x_26 = lean_ctor_get(x_4, 7);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_4);
-x_27 = 1;
-x_28 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_28, 0, x_19);
-lean_ctor_set(x_28, 1, x_20);
-lean_ctor_set(x_28, 2, x_21);
-lean_ctor_set(x_28, 3, x_22);
-lean_ctor_set(x_28, 4, x_23);
-lean_ctor_set(x_28, 5, x_24);
-lean_ctor_set(x_28, 6, x_25);
-lean_ctor_set(x_28, 7, x_26);
-lean_ctor_set_uint8(x_28, sizeof(void*)*8, x_27);
-x_29 = lean_st_ref_set(x_1, x_28, x_5);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_31 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_31 = lean_box(0);
-}
-x_32 = lean_box(0);
-if (lean_is_scalar(x_31)) {
- x_33 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_33 = x_31;
-}
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_29, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 1);
-lean_inc(x_35);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_36 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_36 = lean_box(0);
-}
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_37 = x_36;
-}
-lean_ctor_set(x_37, 0, x_34);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-x_38 = !lean_is_exclusive(x_3);
-if (x_38 == 0)
-{
-return x_3;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_3, 0);
-x_40 = lean_ctor_get(x_3, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_3);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed), 2, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 switch (lean_obj_tag(x_1)) {
@@ -16738,7 +15461,7 @@ lean_object* x_5; lean_object* x_6;
 x_5 = lean_ctor_get(x_1, 0);
 lean_inc(x_5);
 lean_inc(x_5);
-x_6 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_5, x_2, x_3, x_4);
+x_6 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_5, x_2, x_3, x_4);
 if (lean_obj_tag(x_6) == 0)
 {
 uint8_t x_7; 
@@ -16832,7 +15555,7 @@ lean_inc(x_25);
 x_26 = lean_ctor_get(x_1, 1);
 lean_inc(x_26);
 lean_inc(x_25);
-x_27 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_25, x_2, x_3, x_4);
+x_27 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_25, x_2, x_3, x_4);
 if (lean_obj_tag(x_27) == 0)
 {
 lean_object* x_28; lean_object* x_29; lean_object* x_30; 
@@ -16842,7 +15565,7 @@ x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
 lean_dec(x_27);
 lean_inc(x_26);
-x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_26, x_2, x_3, x_29);
+x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_26, x_2, x_3, x_29);
 if (lean_obj_tag(x_30) == 0)
 {
 uint8_t x_31; 
@@ -17007,7 +15730,7 @@ lean_inc(x_64);
 x_65 = lean_ctor_get(x_1, 1);
 lean_inc(x_65);
 lean_inc(x_64);
-x_66 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_64, x_2, x_3, x_4);
+x_66 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_64, x_2, x_3, x_4);
 if (lean_obj_tag(x_66) == 0)
 {
 lean_object* x_67; lean_object* x_68; lean_object* x_69; 
@@ -17017,7 +15740,7 @@ x_68 = lean_ctor_get(x_66, 1);
 lean_inc(x_68);
 lean_dec(x_66);
 lean_inc(x_65);
-x_69 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_65, x_2, x_3, x_68);
+x_69 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_65, x_2, x_3, x_68);
 if (lean_obj_tag(x_69) == 0)
 {
 uint8_t x_70; 
@@ -17172,18 +15895,141 @@ return x_102;
 }
 case 5:
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_127; 
+lean_object* x_103; lean_object* x_104; 
 x_103 = lean_ctor_get(x_1, 0);
 lean_inc(x_103);
-x_127 = lean_st_ref_get(x_3, x_4);
-if (lean_obj_tag(x_127) == 0)
+x_104 = lean_st_ref_get(x_3, x_4);
+if (lean_obj_tag(x_104) == 0)
+{
+uint8_t x_105; 
+x_105 = !lean_is_exclusive(x_104);
+if (x_105 == 0)
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_106 = lean_ctor_get(x_104, 0);
+x_107 = lean_ctor_get(x_104, 1);
+x_108 = lean_ctor_get(x_106, 5);
+lean_inc(x_108);
+lean_dec(x_106);
+lean_inc(x_103);
+x_109 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_108, x_103);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_dec(x_103);
+lean_ctor_set(x_104, 0, x_1);
+return x_104;
+}
+else
+{
+lean_object* x_110; uint8_t x_111; 
+lean_dec(x_1);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+lean_dec(x_109);
+x_111 = l_Lean_Level_hasMVar(x_110);
+if (x_111 == 0)
+{
+lean_dec(x_103);
+lean_ctor_set(x_104, 0, x_110);
+return x_104;
+}
+else
+{
+lean_object* x_112; 
+lean_free_object(x_104);
+x_112 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_110, x_2, x_3, x_107);
+if (lean_obj_tag(x_112) == 0)
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_113 = lean_ctor_get(x_112, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_112, 1);
+lean_inc(x_114);
+lean_dec(x_112);
+lean_inc(x_113);
+x_115 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg(x_103, x_113, x_2, x_3, x_114);
+if (lean_obj_tag(x_115) == 0)
+{
+uint8_t x_116; 
+x_116 = !lean_is_exclusive(x_115);
+if (x_116 == 0)
+{
+lean_object* x_117; 
+x_117 = lean_ctor_get(x_115, 0);
+lean_dec(x_117);
+lean_ctor_set(x_115, 0, x_113);
+return x_115;
+}
+else
+{
+lean_object* x_118; lean_object* x_119; 
+x_118 = lean_ctor_get(x_115, 1);
+lean_inc(x_118);
+lean_dec(x_115);
+x_119 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_119, 0, x_113);
+lean_ctor_set(x_119, 1, x_118);
+return x_119;
+}
+}
+else
+{
+uint8_t x_120; 
+lean_dec(x_113);
+x_120 = !lean_is_exclusive(x_115);
+if (x_120 == 0)
+{
+return x_115;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_121 = lean_ctor_get(x_115, 0);
+x_122 = lean_ctor_get(x_115, 1);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_dec(x_115);
+x_123 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_123, 0, x_121);
+lean_ctor_set(x_123, 1, x_122);
+return x_123;
+}
+}
+}
+else
+{
+uint8_t x_124; 
+lean_dec(x_103);
+x_124 = !lean_is_exclusive(x_112);
+if (x_124 == 0)
+{
+return x_112;
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_125 = lean_ctor_get(x_112, 0);
+x_126 = lean_ctor_get(x_112, 1);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_dec(x_112);
+x_127 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_127, 0, x_125);
+lean_ctor_set(x_127, 1, x_126);
+return x_127;
+}
+}
+}
+}
+}
+else
 {
 lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_128 = lean_ctor_get(x_127, 0);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_127, 1);
+x_128 = lean_ctor_get(x_104, 0);
+x_129 = lean_ctor_get(x_104, 1);
 lean_inc(x_129);
-lean_dec(x_127);
+lean_inc(x_128);
+lean_dec(x_104);
 x_130 = lean_ctor_get(x_128, 5);
 lean_inc(x_130);
 lean_dec(x_128);
@@ -17191,212 +16037,166 @@ lean_inc(x_103);
 x_131 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_130, x_103);
 if (lean_obj_tag(x_131) == 0)
 {
-x_104 = x_131;
-x_105 = x_129;
-goto block_126;
-}
-else
-{
 lean_object* x_132; 
-x_132 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg(x_3, x_129);
-if (lean_obj_tag(x_132) == 0)
-{
-lean_object* x_133; 
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-lean_dec(x_132);
-x_104 = x_131;
-x_105 = x_133;
-goto block_126;
-}
-else
-{
-uint8_t x_134; 
-lean_dec(x_131);
 lean_dec(x_103);
-lean_dec(x_1);
-x_134 = !lean_is_exclusive(x_132);
-if (x_134 == 0)
-{
+x_132 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_132, 0, x_1);
+lean_ctor_set(x_132, 1, x_129);
 return x_132;
 }
 else
 {
-lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_135 = lean_ctor_get(x_132, 0);
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_dec(x_132);
-x_137 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_137, 0, x_135);
-lean_ctor_set(x_137, 1, x_136);
-return x_137;
-}
-}
-}
-}
-else
-{
-uint8_t x_138; 
-lean_dec(x_103);
+lean_object* x_133; uint8_t x_134; 
 lean_dec(x_1);
-x_138 = !lean_is_exclusive(x_127);
-if (x_138 == 0)
+x_133 = lean_ctor_get(x_131, 0);
+lean_inc(x_133);
+lean_dec(x_131);
+x_134 = l_Lean_Level_hasMVar(x_133);
+if (x_134 == 0)
 {
-return x_127;
+lean_object* x_135; 
+lean_dec(x_103);
+x_135 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_135, 0, x_133);
+lean_ctor_set(x_135, 1, x_129);
+return x_135;
 }
 else
 {
-lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_139 = lean_ctor_get(x_127, 0);
-x_140 = lean_ctor_get(x_127, 1);
+lean_object* x_136; 
+x_136 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_133, x_2, x_3, x_129);
+if (lean_obj_tag(x_136) == 0)
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_137 = lean_ctor_get(x_136, 0);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_136, 1);
+lean_inc(x_138);
+lean_dec(x_136);
+lean_inc(x_137);
+x_139 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg(x_103, x_137, x_2, x_3, x_138);
+if (lean_obj_tag(x_139) == 0)
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_140 = lean_ctor_get(x_139, 1);
 lean_inc(x_140);
-lean_inc(x_139);
-lean_dec(x_127);
-x_141 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_141, 0, x_139);
-lean_ctor_set(x_141, 1, x_140);
-return x_141;
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_141 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_141 = lean_box(0);
 }
+if (lean_is_scalar(x_141)) {
+ x_142 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_142 = x_141;
 }
-block_126:
-{
-if (lean_obj_tag(x_104) == 0)
-{
-lean_object* x_106; 
-lean_dec(x_103);
-x_106 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_106, 0, x_1);
-lean_ctor_set(x_106, 1, x_105);
-return x_106;
+lean_ctor_set(x_142, 0, x_137);
+lean_ctor_set(x_142, 1, x_140);
+return x_142;
 }
 else
 {
-lean_object* x_107; uint8_t x_108; 
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_137);
+x_143 = lean_ctor_get(x_139, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_139, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_145 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_145 = lean_box(0);
+}
+if (lean_is_scalar(x_145)) {
+ x_146 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_146 = x_145;
+}
+lean_ctor_set(x_146, 0, x_143);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
+}
+}
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+lean_dec(x_103);
+x_147 = lean_ctor_get(x_136, 0);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_136, 1);
+lean_inc(x_148);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ x_149 = x_136;
+} else {
+ lean_dec_ref(x_136);
+ x_149 = lean_box(0);
+}
+if (lean_is_scalar(x_149)) {
+ x_150 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_150 = x_149;
+}
+lean_ctor_set(x_150, 0, x_147);
+lean_ctor_set(x_150, 1, x_148);
+return x_150;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_151; 
+lean_dec(x_103);
 lean_dec(x_1);
-x_107 = lean_ctor_get(x_104, 0);
-lean_inc(x_107);
+x_151 = !lean_is_exclusive(x_104);
+if (x_151 == 0)
+{
+return x_104;
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_104, 0);
+x_153 = lean_ctor_get(x_104, 1);
+lean_inc(x_153);
+lean_inc(x_152);
 lean_dec(x_104);
-x_108 = l_Lean_Level_hasMVar(x_107);
-if (x_108 == 0)
-{
-lean_object* x_109; 
-lean_dec(x_103);
-x_109 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_109, 0, x_107);
-lean_ctor_set(x_109, 1, x_105);
-return x_109;
-}
-else
-{
-lean_object* x_110; 
-x_110 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_107, x_2, x_3, x_105);
-if (lean_obj_tag(x_110) == 0)
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-lean_dec(x_110);
-lean_inc(x_111);
-x_113 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg(x_103, x_111, x_2, x_3, x_112);
-if (lean_obj_tag(x_113) == 0)
-{
-uint8_t x_114; 
-x_114 = !lean_is_exclusive(x_113);
-if (x_114 == 0)
-{
-lean_object* x_115; 
-x_115 = lean_ctor_get(x_113, 0);
-lean_dec(x_115);
-lean_ctor_set(x_113, 0, x_111);
-return x_113;
-}
-else
-{
-lean_object* x_116; lean_object* x_117; 
-x_116 = lean_ctor_get(x_113, 1);
-lean_inc(x_116);
-lean_dec(x_113);
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_111);
-lean_ctor_set(x_117, 1, x_116);
-return x_117;
-}
-}
-else
-{
-uint8_t x_118; 
-lean_dec(x_111);
-x_118 = !lean_is_exclusive(x_113);
-if (x_118 == 0)
-{
-return x_113;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_113, 0);
-x_120 = lean_ctor_get(x_113, 1);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_113);
-x_121 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_121, 0, x_119);
-lean_ctor_set(x_121, 1, x_120);
-return x_121;
-}
-}
-}
-else
-{
-uint8_t x_122; 
-lean_dec(x_103);
-x_122 = !lean_is_exclusive(x_110);
-if (x_122 == 0)
-{
-return x_110;
-}
-else
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_123 = lean_ctor_get(x_110, 0);
-x_124 = lean_ctor_get(x_110, 1);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_110);
-x_125 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-}
+x_154 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_154, 0, x_152);
+lean_ctor_set(x_154, 1, x_153);
+return x_154;
 }
 }
 }
 default: 
 {
-lean_object* x_142; 
-x_142 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_142, 0, x_1);
-lean_ctor_set(x_142, 1, x_4);
-return x_142;
+lean_object* x_155; 
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_1);
+lean_ctor_set(x_155, 1, x_4);
+return x_155;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed), 4, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed), 4, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
@@ -17412,74 +16212,71 @@ lean_dec(x_6);
 x_9 = !lean_is_exclusive(x_7);
 if (x_9 == 0)
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_10 = lean_ctor_get(x_7, 5);
 x_11 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_10, x_1, x_2);
-x_12 = 1;
 lean_ctor_set(x_7, 5, x_11);
-lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
-x_13 = lean_st_ref_set(x_4, x_7, x_8);
-if (lean_obj_tag(x_13) == 0)
+x_12 = lean_st_ref_set(x_4, x_7, x_8);
+if (lean_obj_tag(x_12) == 0)
 {
-uint8_t x_14; 
-x_14 = !lean_is_exclusive(x_13);
-if (x_14 == 0)
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-x_15 = lean_ctor_get(x_13, 0);
-lean_dec(x_15);
-x_16 = lean_box(0);
-lean_ctor_set(x_13, 0, x_16);
-return x_13;
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_12, 0, x_15);
+return x_12;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_17);
-return x_19;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_12, 1);
+lean_inc(x_16);
+lean_dec(x_12);
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
 }
 }
 else
 {
-uint8_t x_20; 
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
 {
-return x_13;
+return x_12;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
 lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; 
-x_24 = lean_ctor_get(x_7, 0);
-x_25 = lean_ctor_get(x_7, 1);
-x_26 = lean_ctor_get(x_7, 2);
-x_27 = lean_ctor_get(x_7, 3);
-x_28 = lean_ctor_get(x_7, 4);
-x_29 = lean_ctor_get(x_7, 5);
-x_30 = lean_ctor_get(x_7, 6);
-x_31 = lean_ctor_get(x_7, 7);
-lean_inc(x_31);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_23 = lean_ctor_get(x_7, 0);
+x_24 = lean_ctor_get(x_7, 1);
+x_25 = lean_ctor_get(x_7, 2);
+x_26 = lean_ctor_get(x_7, 3);
+x_27 = lean_ctor_get(x_7, 4);
+x_28 = lean_ctor_get(x_7, 5);
+x_29 = lean_ctor_get(x_7, 6);
+x_30 = lean_ctor_get(x_7, 7);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
@@ -17487,286 +16284,103 @@ lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
+lean_inc(x_23);
 lean_dec(x_7);
-x_32 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_29, x_1, x_2);
-x_33 = 1;
-x_34 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_32);
-lean_ctor_set(x_34, 6, x_30);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_st_ref_set(x_4, x_34, x_8);
-if (lean_obj_tag(x_35) == 0)
+x_31 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_28, x_1, x_2);
+x_32 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_32, 0, x_23);
+lean_ctor_set(x_32, 1, x_24);
+lean_ctor_set(x_32, 2, x_25);
+lean_ctor_set(x_32, 3, x_26);
+lean_ctor_set(x_32, 4, x_27);
+lean_ctor_set(x_32, 5, x_31);
+lean_ctor_set(x_32, 6, x_29);
+lean_ctor_set(x_32, 7, x_30);
+x_33 = lean_st_ref_set(x_4, x_32, x_8);
+if (lean_obj_tag(x_33) == 0)
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_36 = lean_ctor_get(x_35, 1);
-lean_inc(x_36);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_34 = lean_ctor_get(x_33, 1);
+lean_inc(x_34);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_35 = x_33;
+} else {
+ lean_dec_ref(x_33);
+ x_35 = lean_box(0);
+}
+x_36 = lean_box(0);
+if (lean_is_scalar(x_35)) {
+ x_37 = lean_alloc_ctor(0, 2, 0);
+} else {
  x_37 = x_35;
-} else {
- lean_dec_ref(x_35);
- x_37 = lean_box(0);
 }
-x_38 = lean_box(0);
-if (lean_is_scalar(x_37)) {
- x_39 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_39 = x_37;
-}
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_36);
-return x_39;
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_34);
+return x_37;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_35, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_35, 1);
-lean_inc(x_41);
-if (lean_is_exclusive(x_35)) {
- lean_ctor_release(x_35, 0);
- lean_ctor_release(x_35, 1);
- x_42 = x_35;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_38 = lean_ctor_get(x_33, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_33, 1);
+lean_inc(x_39);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_40 = x_33;
 } else {
- lean_dec_ref(x_35);
- x_42 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_40 = lean_box(0);
 }
-if (lean_is_scalar(x_42)) {
- x_43 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_40)) {
+ x_41 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_43 = x_42;
+ x_41 = x_40;
 }
-lean_ctor_set(x_43, 0, x_40);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
+lean_ctor_set(x_41, 0, x_38);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
 else
 {
-uint8_t x_44; 
+uint8_t x_42; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_6);
-if (x_44 == 0)
+x_42 = !lean_is_exclusive(x_6);
+if (x_42 == 0)
 {
 return x_6;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_6, 0);
-x_46 = lean_ctor_get(x_6, 1);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_6, 0);
+x_44 = lean_ctor_get(x_6, 1);
+lean_inc(x_44);
+lean_inc(x_43);
 lean_dec(x_6);
-x_47 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_47, 0, x_45);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed), 5, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_st_ref_take(x_1, x_2);
-if (lean_obj_tag(x_3) == 0)
-{
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = lean_ctor_get(x_3, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_3, 1);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = !lean_is_exclusive(x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; lean_object* x_8; 
-x_7 = 1;
-lean_ctor_set_uint8(x_4, sizeof(void*)*8, x_7);
-x_8 = lean_st_ref_set(x_1, x_4, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-x_11 = lean_box(0);
-lean_ctor_set(x_8, 0, x_11);
-return x_8;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_8, 1);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_8);
-if (x_15 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_8, 0);
-x_17 = lean_ctor_get(x_8, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_8);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = lean_ctor_get(x_4, 0);
-x_20 = lean_ctor_get(x_4, 1);
-x_21 = lean_ctor_get(x_4, 2);
-x_22 = lean_ctor_get(x_4, 3);
-x_23 = lean_ctor_get(x_4, 4);
-x_24 = lean_ctor_get(x_4, 5);
-x_25 = lean_ctor_get(x_4, 6);
-x_26 = lean_ctor_get(x_4, 7);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_4);
-x_27 = 1;
-x_28 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_28, 0, x_19);
-lean_ctor_set(x_28, 1, x_20);
-lean_ctor_set(x_28, 2, x_21);
-lean_ctor_set(x_28, 3, x_22);
-lean_ctor_set(x_28, 4, x_23);
-lean_ctor_set(x_28, 5, x_24);
-lean_ctor_set(x_28, 6, x_25);
-lean_ctor_set(x_28, 7, x_26);
-lean_ctor_set_uint8(x_28, sizeof(void*)*8, x_27);
-x_29 = lean_st_ref_set(x_1, x_28, x_5);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_31 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_31 = lean_box(0);
-}
-x_32 = lean_box(0);
-if (lean_is_scalar(x_31)) {
- x_33 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_33 = x_31;
-}
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_29, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 1);
-lean_inc(x_35);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_36 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_36 = lean_box(0);
-}
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_37 = x_36;
-}
-lean_ctor_set(x_37, 0, x_34);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-x_38 = !lean_is_exclusive(x_3);
-if (x_38 == 0)
-{
-return x_3;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_3, 0);
-x_40 = lean_ctor_get(x_3, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_3);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed), 2, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 switch (lean_obj_tag(x_1)) {
@@ -17776,7 +16390,7 @@ lean_object* x_5; lean_object* x_6;
 x_5 = lean_ctor_get(x_1, 0);
 lean_inc(x_5);
 lean_inc(x_5);
-x_6 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_5, x_2, x_3, x_4);
+x_6 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_5, x_2, x_3, x_4);
 if (lean_obj_tag(x_6) == 0)
 {
 uint8_t x_7; 
@@ -17870,7 +16484,7 @@ lean_inc(x_25);
 x_26 = lean_ctor_get(x_1, 1);
 lean_inc(x_26);
 lean_inc(x_25);
-x_27 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_25, x_2, x_3, x_4);
+x_27 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_25, x_2, x_3, x_4);
 if (lean_obj_tag(x_27) == 0)
 {
 lean_object* x_28; lean_object* x_29; lean_object* x_30; 
@@ -17880,7 +16494,7 @@ x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
 lean_dec(x_27);
 lean_inc(x_26);
-x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_26, x_2, x_3, x_29);
+x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_26, x_2, x_3, x_29);
 if (lean_obj_tag(x_30) == 0)
 {
 uint8_t x_31; 
@@ -18045,7 +16659,7 @@ lean_inc(x_64);
 x_65 = lean_ctor_get(x_1, 1);
 lean_inc(x_65);
 lean_inc(x_64);
-x_66 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_64, x_2, x_3, x_4);
+x_66 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_64, x_2, x_3, x_4);
 if (lean_obj_tag(x_66) == 0)
 {
 lean_object* x_67; lean_object* x_68; lean_object* x_69; 
@@ -18055,7 +16669,7 @@ x_68 = lean_ctor_get(x_66, 1);
 lean_inc(x_68);
 lean_dec(x_66);
 lean_inc(x_65);
-x_69 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_65, x_2, x_3, x_68);
+x_69 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_65, x_2, x_3, x_68);
 if (lean_obj_tag(x_69) == 0)
 {
 uint8_t x_70; 
@@ -18210,18 +16824,141 @@ return x_102;
 }
 case 5:
 {
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_127; 
+lean_object* x_103; lean_object* x_104; 
 x_103 = lean_ctor_get(x_1, 0);
 lean_inc(x_103);
-x_127 = lean_st_ref_get(x_3, x_4);
-if (lean_obj_tag(x_127) == 0)
+x_104 = lean_st_ref_get(x_3, x_4);
+if (lean_obj_tag(x_104) == 0)
+{
+uint8_t x_105; 
+x_105 = !lean_is_exclusive(x_104);
+if (x_105 == 0)
+{
+lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_106 = lean_ctor_get(x_104, 0);
+x_107 = lean_ctor_get(x_104, 1);
+x_108 = lean_ctor_get(x_106, 5);
+lean_inc(x_108);
+lean_dec(x_106);
+lean_inc(x_103);
+x_109 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_108, x_103);
+if (lean_obj_tag(x_109) == 0)
+{
+lean_dec(x_103);
+lean_ctor_set(x_104, 0, x_1);
+return x_104;
+}
+else
+{
+lean_object* x_110; uint8_t x_111; 
+lean_dec(x_1);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+lean_dec(x_109);
+x_111 = l_Lean_Level_hasMVar(x_110);
+if (x_111 == 0)
+{
+lean_dec(x_103);
+lean_ctor_set(x_104, 0, x_110);
+return x_104;
+}
+else
+{
+lean_object* x_112; 
+lean_free_object(x_104);
+x_112 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_110, x_2, x_3, x_107);
+if (lean_obj_tag(x_112) == 0)
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_113 = lean_ctor_get(x_112, 0);
+lean_inc(x_113);
+x_114 = lean_ctor_get(x_112, 1);
+lean_inc(x_114);
+lean_dec(x_112);
+lean_inc(x_113);
+x_115 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg(x_103, x_113, x_2, x_3, x_114);
+if (lean_obj_tag(x_115) == 0)
+{
+uint8_t x_116; 
+x_116 = !lean_is_exclusive(x_115);
+if (x_116 == 0)
+{
+lean_object* x_117; 
+x_117 = lean_ctor_get(x_115, 0);
+lean_dec(x_117);
+lean_ctor_set(x_115, 0, x_113);
+return x_115;
+}
+else
+{
+lean_object* x_118; lean_object* x_119; 
+x_118 = lean_ctor_get(x_115, 1);
+lean_inc(x_118);
+lean_dec(x_115);
+x_119 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_119, 0, x_113);
+lean_ctor_set(x_119, 1, x_118);
+return x_119;
+}
+}
+else
+{
+uint8_t x_120; 
+lean_dec(x_113);
+x_120 = !lean_is_exclusive(x_115);
+if (x_120 == 0)
+{
+return x_115;
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_121 = lean_ctor_get(x_115, 0);
+x_122 = lean_ctor_get(x_115, 1);
+lean_inc(x_122);
+lean_inc(x_121);
+lean_dec(x_115);
+x_123 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_123, 0, x_121);
+lean_ctor_set(x_123, 1, x_122);
+return x_123;
+}
+}
+}
+else
+{
+uint8_t x_124; 
+lean_dec(x_103);
+x_124 = !lean_is_exclusive(x_112);
+if (x_124 == 0)
+{
+return x_112;
+}
+else
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+x_125 = lean_ctor_get(x_112, 0);
+x_126 = lean_ctor_get(x_112, 1);
+lean_inc(x_126);
+lean_inc(x_125);
+lean_dec(x_112);
+x_127 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_127, 0, x_125);
+lean_ctor_set(x_127, 1, x_126);
+return x_127;
+}
+}
+}
+}
+}
+else
 {
 lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_128 = lean_ctor_get(x_127, 0);
-lean_inc(x_128);
-x_129 = lean_ctor_get(x_127, 1);
+x_128 = lean_ctor_get(x_104, 0);
+x_129 = lean_ctor_get(x_104, 1);
 lean_inc(x_129);
-lean_dec(x_127);
+lean_inc(x_128);
+lean_dec(x_104);
 x_130 = lean_ctor_get(x_128, 5);
 lean_inc(x_130);
 lean_dec(x_128);
@@ -18229,212 +16966,166 @@ lean_inc(x_103);
 x_131 = l_Std_PersistentHashMap_find_x3f___at_Lean_getLevelMVarAssignment_x3f___spec__1(x_130, x_103);
 if (lean_obj_tag(x_131) == 0)
 {
-x_104 = x_131;
-x_105 = x_129;
-goto block_126;
-}
-else
-{
 lean_object* x_132; 
-x_132 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg(x_3, x_129);
-if (lean_obj_tag(x_132) == 0)
-{
-lean_object* x_133; 
-x_133 = lean_ctor_get(x_132, 1);
-lean_inc(x_133);
-lean_dec(x_132);
-x_104 = x_131;
-x_105 = x_133;
-goto block_126;
-}
-else
-{
-uint8_t x_134; 
-lean_dec(x_131);
 lean_dec(x_103);
-lean_dec(x_1);
-x_134 = !lean_is_exclusive(x_132);
-if (x_134 == 0)
-{
+x_132 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_132, 0, x_1);
+lean_ctor_set(x_132, 1, x_129);
 return x_132;
 }
 else
 {
-lean_object* x_135; lean_object* x_136; lean_object* x_137; 
-x_135 = lean_ctor_get(x_132, 0);
-x_136 = lean_ctor_get(x_132, 1);
-lean_inc(x_136);
-lean_inc(x_135);
-lean_dec(x_132);
-x_137 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_137, 0, x_135);
-lean_ctor_set(x_137, 1, x_136);
-return x_137;
-}
-}
-}
-}
-else
-{
-uint8_t x_138; 
-lean_dec(x_103);
+lean_object* x_133; uint8_t x_134; 
 lean_dec(x_1);
-x_138 = !lean_is_exclusive(x_127);
-if (x_138 == 0)
+x_133 = lean_ctor_get(x_131, 0);
+lean_inc(x_133);
+lean_dec(x_131);
+x_134 = l_Lean_Level_hasMVar(x_133);
+if (x_134 == 0)
 {
-return x_127;
+lean_object* x_135; 
+lean_dec(x_103);
+x_135 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_135, 0, x_133);
+lean_ctor_set(x_135, 1, x_129);
+return x_135;
 }
 else
 {
-lean_object* x_139; lean_object* x_140; lean_object* x_141; 
-x_139 = lean_ctor_get(x_127, 0);
-x_140 = lean_ctor_get(x_127, 1);
+lean_object* x_136; 
+x_136 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_133, x_2, x_3, x_129);
+if (lean_obj_tag(x_136) == 0)
+{
+lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+x_137 = lean_ctor_get(x_136, 0);
+lean_inc(x_137);
+x_138 = lean_ctor_get(x_136, 1);
+lean_inc(x_138);
+lean_dec(x_136);
+lean_inc(x_137);
+x_139 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg(x_103, x_137, x_2, x_3, x_138);
+if (lean_obj_tag(x_139) == 0)
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_140 = lean_ctor_get(x_139, 1);
 lean_inc(x_140);
-lean_inc(x_139);
-lean_dec(x_127);
-x_141 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_141, 0, x_139);
-lean_ctor_set(x_141, 1, x_140);
-return x_141;
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_141 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_141 = lean_box(0);
 }
+if (lean_is_scalar(x_141)) {
+ x_142 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_142 = x_141;
 }
-block_126:
-{
-if (lean_obj_tag(x_104) == 0)
-{
-lean_object* x_106; 
-lean_dec(x_103);
-x_106 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_106, 0, x_1);
-lean_ctor_set(x_106, 1, x_105);
-return x_106;
+lean_ctor_set(x_142, 0, x_137);
+lean_ctor_set(x_142, 1, x_140);
+return x_142;
 }
 else
 {
-lean_object* x_107; uint8_t x_108; 
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_137);
+x_143 = lean_ctor_get(x_139, 0);
+lean_inc(x_143);
+x_144 = lean_ctor_get(x_139, 1);
+lean_inc(x_144);
+if (lean_is_exclusive(x_139)) {
+ lean_ctor_release(x_139, 0);
+ lean_ctor_release(x_139, 1);
+ x_145 = x_139;
+} else {
+ lean_dec_ref(x_139);
+ x_145 = lean_box(0);
+}
+if (lean_is_scalar(x_145)) {
+ x_146 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_146 = x_145;
+}
+lean_ctor_set(x_146, 0, x_143);
+lean_ctor_set(x_146, 1, x_144);
+return x_146;
+}
+}
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; 
+lean_dec(x_103);
+x_147 = lean_ctor_get(x_136, 0);
+lean_inc(x_147);
+x_148 = lean_ctor_get(x_136, 1);
+lean_inc(x_148);
+if (lean_is_exclusive(x_136)) {
+ lean_ctor_release(x_136, 0);
+ lean_ctor_release(x_136, 1);
+ x_149 = x_136;
+} else {
+ lean_dec_ref(x_136);
+ x_149 = lean_box(0);
+}
+if (lean_is_scalar(x_149)) {
+ x_150 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_150 = x_149;
+}
+lean_ctor_set(x_150, 0, x_147);
+lean_ctor_set(x_150, 1, x_148);
+return x_150;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_151; 
+lean_dec(x_103);
 lean_dec(x_1);
-x_107 = lean_ctor_get(x_104, 0);
-lean_inc(x_107);
+x_151 = !lean_is_exclusive(x_104);
+if (x_151 == 0)
+{
+return x_104;
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_152 = lean_ctor_get(x_104, 0);
+x_153 = lean_ctor_get(x_104, 1);
+lean_inc(x_153);
+lean_inc(x_152);
 lean_dec(x_104);
-x_108 = l_Lean_Level_hasMVar(x_107);
-if (x_108 == 0)
-{
-lean_object* x_109; 
-lean_dec(x_103);
-x_109 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_109, 0, x_107);
-lean_ctor_set(x_109, 1, x_105);
-return x_109;
-}
-else
-{
-lean_object* x_110; 
-x_110 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_107, x_2, x_3, x_105);
-if (lean_obj_tag(x_110) == 0)
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-lean_dec(x_110);
-lean_inc(x_111);
-x_113 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg(x_103, x_111, x_2, x_3, x_112);
-if (lean_obj_tag(x_113) == 0)
-{
-uint8_t x_114; 
-x_114 = !lean_is_exclusive(x_113);
-if (x_114 == 0)
-{
-lean_object* x_115; 
-x_115 = lean_ctor_get(x_113, 0);
-lean_dec(x_115);
-lean_ctor_set(x_113, 0, x_111);
-return x_113;
-}
-else
-{
-lean_object* x_116; lean_object* x_117; 
-x_116 = lean_ctor_get(x_113, 1);
-lean_inc(x_116);
-lean_dec(x_113);
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_111);
-lean_ctor_set(x_117, 1, x_116);
-return x_117;
-}
-}
-else
-{
-uint8_t x_118; 
-lean_dec(x_111);
-x_118 = !lean_is_exclusive(x_113);
-if (x_118 == 0)
-{
-return x_113;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_113, 0);
-x_120 = lean_ctor_get(x_113, 1);
-lean_inc(x_120);
-lean_inc(x_119);
-lean_dec(x_113);
-x_121 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_121, 0, x_119);
-lean_ctor_set(x_121, 1, x_120);
-return x_121;
-}
-}
-}
-else
-{
-uint8_t x_122; 
-lean_dec(x_103);
-x_122 = !lean_is_exclusive(x_110);
-if (x_122 == 0)
-{
-return x_110;
-}
-else
-{
-lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_123 = lean_ctor_get(x_110, 0);
-x_124 = lean_ctor_get(x_110, 1);
-lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_110);
-x_125 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
-}
-}
-}
+x_154 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_154, 0, x_152);
+lean_ctor_set(x_154, 1, x_153);
+return x_154;
 }
 }
 }
 default: 
 {
-lean_object* x_142; 
-x_142 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_142, 0, x_1);
-lean_ctor_set(x_142, 1, x_4);
-return x_142;
+lean_object* x_155; 
+x_155 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_155, 0, x_1);
+lean_ctor_set(x_155, 1, x_4);
+return x_155;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed), 4, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed), 4, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -18455,7 +17146,7 @@ if (x_8 == 0)
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_9 = lean_ctor_get(x_2, 0);
 x_10 = lean_ctor_get(x_2, 1);
-x_11 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_9, x_3, x_4, x_5);
+x_11 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_9, x_3, x_4, x_5);
 if (lean_obj_tag(x_11) == 0)
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; 
@@ -18464,7 +17155,7 @@ lean_inc(x_12);
 x_13 = lean_ctor_get(x_11, 1);
 lean_inc(x_13);
 lean_dec(x_11);
-x_14 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(x_1, x_10, x_3, x_4, x_13);
+x_14 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(x_1, x_10, x_3, x_4, x_13);
 if (lean_obj_tag(x_14) == 0)
 {
 uint8_t x_15; 
@@ -18552,7 +17243,7 @@ x_29 = lean_ctor_get(x_2, 1);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_dec(x_2);
-x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_28, x_3, x_4, x_5);
+x_30 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_28, x_3, x_4, x_5);
 if (lean_obj_tag(x_30) == 0)
 {
 lean_object* x_31; lean_object* x_32; lean_object* x_33; 
@@ -18561,7 +17252,7 @@ lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
 lean_inc(x_32);
 lean_dec(x_30);
-x_33 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(x_1, x_29, x_3, x_4, x_32);
+x_33 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(x_1, x_29, x_3, x_4, x_32);
 if (lean_obj_tag(x_33) == 0)
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
@@ -18644,11 +17335,221 @@ return x_46;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed), 5, 0);
+x_2 = lean_alloc_closure((void*)(l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed), 5, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; 
+x_8 = lean_usize_dec_lt(x_3, x_2);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_4);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_array_uget(x_4, x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_uset(x_4, x_3, x_11);
+x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = 1;
+x_17 = lean_usize_add(x_3, x_16);
+x_18 = lean_array_uset(x_12, x_3, x_14);
+x_3 = x_17;
+x_4 = x_18;
+x_7 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_12);
+x_20 = !lean_is_exclusive(x_13);
+if (x_20 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_13);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed), 7, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; 
+x_8 = lean_usize_dec_lt(x_3, x_2);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_4);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_array_uget(x_4, x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_uset(x_4, x_3, x_11);
+x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = 1;
+x_17 = lean_usize_add(x_3, x_16);
+x_18 = lean_array_uset(x_12, x_3, x_14);
+x_3 = x_17;
+x_4 = x_18;
+x_7 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_12);
+x_20 = !lean_is_exclusive(x_13);
+if (x_20 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_13);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed), 7, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; 
+x_8 = lean_usize_dec_lt(x_3, x_2);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_4);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_array_uget(x_4, x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_uset(x_4, x_3, x_11);
+x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = 1;
+x_17 = lean_usize_add(x_3, x_16);
+x_18 = lean_array_uset(x_12, x_3, x_14);
+x_3 = x_17;
+x_4 = x_18;
+x_7 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_12);
+x_20 = !lean_is_exclusive(x_13);
+if (x_20 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_13);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed), 7, 0);
 return x_2;
 }
 }
@@ -18722,73 +17623,74 @@ x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVa
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-uint8_t x_8; 
-x_8 = lean_usize_dec_lt(x_3, x_2);
-if (x_8 == 0)
+lean_object* x_5; 
+x_5 = lean_st_ref_get(x_3, x_4);
+if (lean_obj_tag(x_5) == 0)
 {
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_5);
+if (x_6 == 0)
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_5, 0);
+x_8 = lean_ctor_get(x_7, 7);
+lean_inc(x_8);
+lean_dec(x_7);
+x_9 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_8, x_1);
+lean_ctor_set(x_5, 0, x_9);
+return x_5;
 }
 else
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_array_uget(x_4, x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_array_uset(x_4, x_3, x_11);
-x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = 1;
-x_17 = lean_usize_add(x_3, x_16);
-x_18 = lean_array_uset(x_12, x_3, x_14);
-x_3 = x_17;
-x_4 = x_18;
-x_7 = x_15;
-goto _start;
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_10 = lean_ctor_get(x_5, 0);
+x_11 = lean_ctor_get(x_5, 1);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_dec(x_5);
+x_12 = lean_ctor_get(x_10, 7);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_12, x_1);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_11);
+return x_14;
+}
 }
 else
 {
-uint8_t x_20; 
-lean_dec(x_12);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
+uint8_t x_15; 
+lean_dec(x_1);
+x_15 = !lean_is_exclusive(x_5);
+if (x_15 == 0)
 {
-return x_13;
+return x_5;
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_5, 0);
+x_17 = lean_ctor_get(x_5, 1);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_dec(x_5);
+x_18 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_18, 0, x_16);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
 }
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed), 7, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed), 4, 0);
 return x_2;
 }
 }
@@ -18932,369 +17834,143 @@ x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVa
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_3; 
-x_3 = lean_st_ref_take(x_1, x_2);
-if (lean_obj_tag(x_3) == 0)
+uint8_t x_8; 
+x_8 = lean_usize_dec_lt(x_3, x_2);
+if (x_8 == 0)
 {
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = lean_ctor_get(x_3, 0);
-lean_inc(x_4);
-x_5 = lean_ctor_get(x_3, 1);
-lean_inc(x_5);
-lean_dec(x_3);
-x_6 = !lean_is_exclusive(x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; lean_object* x_8; 
-x_7 = 1;
-lean_ctor_set_uint8(x_4, sizeof(void*)*8, x_7);
-x_8 = lean_st_ref_set(x_1, x_4, x_5);
-if (lean_obj_tag(x_8) == 0)
-{
-uint8_t x_9; 
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-x_11 = lean_box(0);
-lean_ctor_set(x_8, 0, x_11);
-return x_8;
+lean_object* x_9; 
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_4);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
 }
 else
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_8, 1);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_12);
-return x_14;
-}
-}
-else
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_array_uget(x_4, x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_uset(x_4, x_3, x_11);
+x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
+if (lean_obj_tag(x_13) == 0)
 {
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_8);
-if (x_15 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_8, 0);
-x_17 = lean_ctor_get(x_8, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_8);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
-x_19 = lean_ctor_get(x_4, 0);
-x_20 = lean_ctor_get(x_4, 1);
-x_21 = lean_ctor_get(x_4, 2);
-x_22 = lean_ctor_get(x_4, 3);
-x_23 = lean_ctor_get(x_4, 4);
-x_24 = lean_ctor_get(x_4, 5);
-x_25 = lean_ctor_get(x_4, 6);
-x_26 = lean_ctor_get(x_4, 7);
-lean_inc(x_26);
-lean_inc(x_25);
-lean_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_4);
-x_27 = 1;
-x_28 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_28, 0, x_19);
-lean_ctor_set(x_28, 1, x_20);
-lean_ctor_set(x_28, 2, x_21);
-lean_ctor_set(x_28, 3, x_22);
-lean_ctor_set(x_28, 4, x_23);
-lean_ctor_set(x_28, 5, x_24);
-lean_ctor_set(x_28, 6, x_25);
-lean_ctor_set(x_28, 7, x_26);
-lean_ctor_set_uint8(x_28, sizeof(void*)*8, x_27);
-x_29 = lean_st_ref_set(x_1, x_28, x_5);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_31 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_31 = lean_box(0);
-}
-x_32 = lean_box(0);
-if (lean_is_scalar(x_31)) {
- x_33 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_33 = x_31;
-}
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_29, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 1);
-lean_inc(x_35);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- x_36 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_36 = lean_box(0);
-}
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_37 = x_36;
-}
-lean_ctor_set(x_37, 0, x_34);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-else
-{
-uint8_t x_38; 
-x_38 = !lean_is_exclusive(x_3);
-if (x_38 == 0)
-{
-return x_3;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_3, 0);
-x_40 = lean_ctor_get(x_3, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_3);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed), 2, 0);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_st_ref_get(x_3, x_4);
-if (lean_obj_tag(x_5) == 0)
-{
-uint8_t x_6; 
-x_6 = !lean_is_exclusive(x_5);
-if (x_6 == 0)
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_7 = lean_ctor_get(x_5, 0);
-x_8 = lean_ctor_get(x_5, 1);
-x_9 = lean_ctor_get(x_7, 7);
-lean_inc(x_9);
-lean_dec(x_7);
-x_10 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_9, x_1);
-if (lean_obj_tag(x_10) == 0)
-{
-lean_ctor_set(x_5, 0, x_10);
-return x_5;
-}
-else
-{
-lean_object* x_11; 
-lean_free_object(x_5);
-x_11 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg(x_3, x_8);
-if (lean_obj_tag(x_11) == 0)
-{
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; 
-x_13 = lean_ctor_get(x_11, 0);
-lean_dec(x_13);
-lean_ctor_set(x_11, 0, x_10);
-return x_11;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_ctor_get(x_11, 1);
+lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_10);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = 1;
+x_17 = lean_usize_add(x_3, x_16);
+x_18 = lean_array_uset(x_12, x_3, x_14);
+x_3 = x_17;
+x_4 = x_18;
+x_7 = x_15;
+goto _start;
 }
 else
 {
-uint8_t x_16; 
-lean_dec(x_10);
-x_16 = !lean_is_exclusive(x_11);
-if (x_16 == 0)
+uint8_t x_20; 
+lean_dec(x_12);
+x_20 = !lean_is_exclusive(x_13);
+if (x_20 == 0)
 {
-return x_11;
+return x_13;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_11);
-x_19 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_19, 0, x_17);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
-}
-}
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_5, 0);
-x_21 = lean_ctor_get(x_5, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_5);
-x_22 = lean_ctor_get(x_20, 7);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
 lean_inc(x_22);
-lean_dec(x_20);
-x_23 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_22, x_1);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; 
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_21);
-return x_24;
-}
-else
-{
-lean_object* x_25; 
-x_25 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg(x_3, x_21);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- x_27 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_27 = lean_box(0);
-}
-if (lean_is_scalar(x_27)) {
- x_28 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_28 = x_27;
-}
-lean_ctor_set(x_28, 0, x_23);
-lean_ctor_set(x_28, 1, x_26);
-return x_28;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-lean_dec(x_23);
-x_29 = lean_ctor_get(x_25, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_25, 1);
-lean_inc(x_30);
-if (lean_is_exclusive(x_25)) {
- lean_ctor_release(x_25, 0);
- lean_ctor_release(x_25, 1);
- x_31 = x_25;
-} else {
- lean_dec_ref(x_25);
- x_31 = lean_box(0);
-}
-if (lean_is_scalar(x_31)) {
- x_32 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_32 = x_31;
-}
-lean_ctor_set(x_32, 0, x_29);
-lean_ctor_set(x_32, 1, x_30);
-return x_32;
+lean_inc(x_21);
+lean_dec(x_13);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
 }
 }
 }
 }
-else
-{
-uint8_t x_33; 
-lean_dec(x_1);
-x_33 = !lean_is_exclusive(x_5);
-if (x_33 == 0)
-{
-return x_5;
 }
-else
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_5, 0);
-x_35 = lean_ctor_get(x_5, 1);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_5);
-x_36 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_36, 0, x_34);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed), 4, 0);
+x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed), 7, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; 
+x_8 = lean_usize_dec_lt(x_3, x_2);
+if (x_8 == 0)
+{
+lean_object* x_9; 
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_4);
+lean_ctor_set(x_9, 1, x_7);
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_array_uget(x_4, x_3);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_uset(x_4, x_3, x_11);
+x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
+if (lean_obj_tag(x_13) == 0)
+{
+lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = 1;
+x_17 = lean_usize_add(x_3, x_16);
+x_18 = lean_array_uset(x_12, x_3, x_14);
+x_3 = x_17;
+x_4 = x_18;
+x_7 = x_15;
+goto _start;
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_12);
+x_20 = !lean_is_exclusive(x_13);
+if (x_20 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_13, 0);
+x_22 = lean_ctor_get(x_13, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_13);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed), 7, 0);
 return x_2;
 }
 }
@@ -20628,287 +19304,7 @@ x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVa
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-uint8_t x_8; 
-x_8 = lean_usize_dec_lt(x_3, x_2);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_array_uget(x_4, x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_array_uset(x_4, x_3, x_11);
-x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = 1;
-x_17 = lean_usize_add(x_3, x_16);
-x_18 = lean_array_uset(x_12, x_3, x_14);
-x_3 = x_17;
-x_4 = x_18;
-x_7 = x_15;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_12);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed), 7, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-uint8_t x_8; 
-x_8 = lean_usize_dec_lt(x_3, x_2);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_array_uget(x_4, x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_array_uset(x_4, x_3, x_11);
-x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = 1;
-x_17 = lean_usize_add(x_3, x_16);
-x_18 = lean_array_uset(x_12, x_3, x_14);
-x_3 = x_17;
-x_4 = x_18;
-x_7 = x_15;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_12);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg___boxed), 7, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-uint8_t x_8; 
-x_8 = lean_usize_dec_lt(x_3, x_2);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_array_uget(x_4, x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_array_uset(x_4, x_3, x_11);
-x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = 1;
-x_17 = lean_usize_add(x_3, x_16);
-x_18 = lean_array_uset(x_12, x_3, x_14);
-x_3 = x_17;
-x_4 = x_18;
-x_7 = x_15;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_12);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg___boxed), 7, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-uint8_t x_8; 
-x_8 = lean_usize_dec_lt(x_3, x_2);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_7);
-return x_9;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_array_uget(x_4, x_3);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = lean_array_uset(x_4, x_3, x_11);
-x_13 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_10, x_5, x_6, x_7);
-if (lean_obj_tag(x_13) == 0)
-{
-lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
-lean_inc(x_15);
-lean_dec(x_13);
-x_16 = 1;
-x_17 = lean_usize_add(x_3, x_16);
-x_18 = lean_array_uset(x_12, x_3, x_14);
-x_3 = x_17;
-x_4 = x_18;
-x_7 = x_15;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_12);
-x_20 = !lean_is_exclusive(x_13);
-if (x_20 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_13, 0);
-x_22 = lean_ctor_get(x_13, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_13);
-x_23 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_23, 0, x_21);
-lean_ctor_set(x_23, 1, x_22);
-return x_23;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg___boxed), 7, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
@@ -20932,7 +19328,7 @@ x_12 = lean_array_get_size(x_3);
 x_13 = lean_usize_of_nat(x_12);
 lean_dec(x_12);
 x_14 = 0;
-x_15 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__13___rarg(x_1, x_13, x_14, x_3, x_5, x_6, x_11);
+x_15 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg(x_1, x_13, x_14, x_3, x_5, x_6, x_11);
 lean_dec(x_1);
 if (lean_obj_tag(x_15) == 0)
 {
@@ -21001,7 +19397,7 @@ x_30 = lean_array_get_size(x_3);
 x_31 = lean_usize_of_nat(x_30);
 lean_dec(x_30);
 x_32 = 0;
-x_33 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg(x_1, x_31, x_32, x_3, x_5, x_6, x_28);
+x_33 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg(x_1, x_31, x_32, x_3, x_5, x_6, x_28);
 lean_dec(x_1);
 if (lean_obj_tag(x_33) == 0)
 {
@@ -21112,7 +19508,7 @@ x_57 = lean_array_get_size(x_3);
 x_58 = lean_usize_of_nat(x_57);
 lean_dec(x_57);
 x_59 = 0;
-x_60 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__15___rarg(x_1, x_58, x_59, x_3, x_5, x_6, x_56);
+x_60 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg(x_1, x_58, x_59, x_3, x_5, x_6, x_56);
 lean_dec(x_1);
 if (lean_obj_tag(x_60) == 0)
 {
@@ -21181,7 +19577,7 @@ x_75 = lean_array_get_size(x_3);
 x_76 = lean_usize_of_nat(x_75);
 lean_dec(x_75);
 x_77 = 0;
-x_78 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__16___rarg(x_1, x_76, x_77, x_3, x_5, x_6, x_73);
+x_78 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__13___rarg(x_1, x_76, x_77, x_3, x_5, x_6, x_73);
 lean_dec(x_1);
 if (lean_obj_tag(x_78) == 0)
 {
@@ -21279,7 +19675,7 @@ lean_dec(x_4);
 x_98 = lean_ctor_get(x_2, 0);
 lean_inc(x_98);
 x_99 = l_Lean_Expr_isMVar(x_2);
-x_100 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg(x_98, x_5, x_6, x_7);
+x_100 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg(x_98, x_5, x_6, x_7);
 if (lean_obj_tag(x_100) == 0)
 {
 lean_object* x_101; 
@@ -21306,7 +19702,7 @@ x_106 = lean_array_get_size(x_3);
 x_107 = lean_usize_of_nat(x_106);
 lean_dec(x_106);
 x_108 = 0;
-x_109 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__19___rarg(x_1, x_107, x_108, x_3, x_5, x_6, x_105);
+x_109 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__15___rarg(x_1, x_107, x_108, x_3, x_5, x_6, x_105);
 lean_dec(x_1);
 if (lean_obj_tag(x_109) == 0)
 {
@@ -21375,7 +19771,7 @@ x_124 = lean_array_get_size(x_3);
 x_125 = lean_usize_of_nat(x_124);
 lean_dec(x_124);
 x_126 = 0;
-x_127 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__20___rarg(x_1, x_125, x_126, x_3, x_5, x_6, x_122);
+x_127 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__16___rarg(x_1, x_125, x_126, x_3, x_5, x_6, x_122);
 lean_dec(x_1);
 if (lean_obj_tag(x_127) == 0)
 {
@@ -21504,7 +19900,7 @@ lean_dec(x_2);
 x_159 = lean_usize_of_nat(x_151);
 lean_dec(x_151);
 x_160 = 0;
-x_161 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg(x_1, x_159, x_160, x_3, x_5, x_6, x_157);
+x_161 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg(x_1, x_159, x_160, x_3, x_5, x_6, x_157);
 lean_dec(x_1);
 if (lean_obj_tag(x_161) == 0)
 {
@@ -21586,7 +19982,7 @@ lean_dec(x_149);
 x_181 = lean_usize_of_nat(x_151);
 lean_dec(x_151);
 x_182 = 0;
-x_183 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg(x_1, x_181, x_182, x_3, x_5, x_6, x_157);
+x_183 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg(x_1, x_181, x_182, x_3, x_5, x_6, x_157);
 lean_dec(x_1);
 if (lean_obj_tag(x_183) == 0)
 {
@@ -21678,7 +20074,7 @@ lean_dec(x_149);
 x_199 = lean_usize_of_nat(x_151);
 lean_dec(x_151);
 x_200 = 0;
-x_201 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg(x_1, x_199, x_200, x_3, x_5, x_6, x_148);
+x_201 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__19___rarg(x_1, x_199, x_200, x_3, x_5, x_6, x_148);
 lean_dec(x_1);
 if (lean_obj_tag(x_201) == 0)
 {
@@ -21779,7 +20175,7 @@ x_221 = lean_array_get_size(x_3);
 x_222 = lean_usize_of_nat(x_221);
 lean_dec(x_221);
 x_223 = 0;
-x_224 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24___rarg(x_1, x_222, x_223, x_3, x_5, x_6, x_220);
+x_224 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__20___rarg(x_1, x_222, x_223, x_3, x_5, x_6, x_220);
 lean_dec(x_1);
 if (lean_obj_tag(x_224) == 0)
 {
@@ -21848,7 +20244,7 @@ x_239 = lean_array_get_size(x_3);
 x_240 = lean_usize_of_nat(x_239);
 lean_dec(x_239);
 x_241 = 0;
-x_242 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg(x_1, x_240, x_241, x_3, x_5, x_6, x_237);
+x_242 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg(x_1, x_240, x_241, x_3, x_5, x_6, x_237);
 lean_dec(x_1);
 if (lean_obj_tag(x_242) == 0)
 {
@@ -21959,7 +20355,7 @@ x_266 = lean_array_get_size(x_3);
 x_267 = lean_usize_of_nat(x_266);
 lean_dec(x_266);
 x_268 = 0;
-x_269 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26___rarg(x_1, x_267, x_268, x_3, x_5, x_6, x_265);
+x_269 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg(x_1, x_267, x_268, x_3, x_5, x_6, x_265);
 lean_dec(x_1);
 if (lean_obj_tag(x_269) == 0)
 {
@@ -22028,7 +20424,7 @@ x_284 = lean_array_get_size(x_3);
 x_285 = lean_usize_of_nat(x_284);
 lean_dec(x_284);
 x_286 = 0;
-x_287 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg(x_1, x_285, x_286, x_3, x_5, x_6, x_282);
+x_287 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg(x_1, x_285, x_286, x_3, x_5, x_6, x_282);
 lean_dec(x_1);
 if (lean_obj_tag(x_287) == 0)
 {
@@ -22156,7 +20552,7 @@ x_317 = lean_array_get_size(x_3);
 x_318 = lean_usize_of_nat(x_317);
 lean_dec(x_317);
 x_319 = 0;
-x_320 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30___rarg(x_1, x_318, x_319, x_3, x_5, x_6, x_316);
+x_320 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26___rarg(x_1, x_318, x_319, x_3, x_5, x_6, x_316);
 lean_dec(x_1);
 if (lean_obj_tag(x_320) == 0)
 {
@@ -22225,7 +20621,7 @@ x_335 = lean_array_get_size(x_3);
 x_336 = lean_usize_of_nat(x_335);
 lean_dec(x_335);
 x_337 = 0;
-x_338 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg(x_1, x_336, x_337, x_3, x_5, x_6, x_333);
+x_338 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg(x_1, x_336, x_337, x_3, x_5, x_6, x_333);
 lean_dec(x_1);
 if (lean_obj_tag(x_338) == 0)
 {
@@ -22336,7 +20732,7 @@ x_362 = lean_array_get_size(x_3);
 x_363 = lean_usize_of_nat(x_362);
 lean_dec(x_362);
 x_364 = 0;
-x_365 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__32___rarg(x_1, x_363, x_364, x_3, x_5, x_6, x_361);
+x_365 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__28___rarg(x_1, x_363, x_364, x_3, x_5, x_6, x_361);
 lean_dec(x_1);
 if (lean_obj_tag(x_365) == 0)
 {
@@ -22405,7 +20801,7 @@ x_380 = lean_array_get_size(x_3);
 x_381 = lean_usize_of_nat(x_380);
 lean_dec(x_380);
 x_382 = 0;
-x_383 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg(x_1, x_381, x_382, x_3, x_5, x_6, x_378);
+x_383 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__29___rarg(x_1, x_381, x_382, x_3, x_5, x_6, x_378);
 lean_dec(x_1);
 if (lean_obj_tag(x_383) == 0)
 {
@@ -22516,7 +20912,7 @@ x_407 = lean_array_get_size(x_3);
 x_408 = lean_usize_of_nat(x_407);
 lean_dec(x_407);
 x_409 = 0;
-x_410 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34___rarg(x_1, x_408, x_409, x_3, x_5, x_6, x_406);
+x_410 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30___rarg(x_1, x_408, x_409, x_3, x_5, x_6, x_406);
 lean_dec(x_1);
 if (lean_obj_tag(x_410) == 0)
 {
@@ -22585,7 +20981,7 @@ x_425 = lean_array_get_size(x_3);
 x_426 = lean_usize_of_nat(x_425);
 lean_dec(x_425);
 x_427 = 0;
-x_428 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg(x_1, x_426, x_427, x_3, x_5, x_6, x_423);
+x_428 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg(x_1, x_426, x_427, x_3, x_5, x_6, x_423);
 lean_dec(x_1);
 if (lean_obj_tag(x_428) == 0)
 {
@@ -22696,7 +21092,7 @@ x_452 = lean_array_get_size(x_3);
 x_453 = lean_usize_of_nat(x_452);
 lean_dec(x_452);
 x_454 = 0;
-x_455 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__36___rarg(x_1, x_453, x_454, x_3, x_5, x_6, x_451);
+x_455 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__32___rarg(x_1, x_453, x_454, x_3, x_5, x_6, x_451);
 lean_dec(x_1);
 if (lean_obj_tag(x_455) == 0)
 {
@@ -22765,7 +21161,7 @@ x_470 = lean_array_get_size(x_3);
 x_471 = lean_usize_of_nat(x_470);
 lean_dec(x_470);
 x_472 = 0;
-x_473 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg(x_1, x_471, x_472, x_3, x_5, x_6, x_468);
+x_473 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg(x_1, x_471, x_472, x_3, x_5, x_6, x_468);
 lean_dec(x_1);
 if (lean_obj_tag(x_473) == 0)
 {
@@ -22876,7 +21272,7 @@ x_497 = lean_array_get_size(x_3);
 x_498 = lean_usize_of_nat(x_497);
 lean_dec(x_497);
 x_499 = 0;
-x_500 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(x_1, x_498, x_499, x_3, x_5, x_6, x_496);
+x_500 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34___rarg(x_1, x_498, x_499, x_3, x_5, x_6, x_496);
 lean_dec(x_1);
 if (lean_obj_tag(x_500) == 0)
 {
@@ -22945,7 +21341,7 @@ x_515 = lean_array_get_size(x_3);
 x_516 = lean_usize_of_nat(x_515);
 lean_dec(x_515);
 x_517 = 0;
-x_518 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(x_1, x_516, x_517, x_3, x_5, x_6, x_513);
+x_518 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg(x_1, x_516, x_517, x_3, x_5, x_6, x_513);
 lean_dec(x_1);
 if (lean_obj_tag(x_518) == 0)
 {
@@ -23056,7 +21452,7 @@ x_542 = lean_array_get_size(x_3);
 x_543 = lean_usize_of_nat(x_542);
 lean_dec(x_542);
 x_544 = 0;
-x_545 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(x_1, x_543, x_544, x_3, x_5, x_6, x_541);
+x_545 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__36___rarg(x_1, x_543, x_544, x_3, x_5, x_6, x_541);
 lean_dec(x_1);
 if (lean_obj_tag(x_545) == 0)
 {
@@ -23125,7 +21521,7 @@ x_560 = lean_array_get_size(x_3);
 x_561 = lean_usize_of_nat(x_560);
 lean_dec(x_560);
 x_562 = 0;
-x_563 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(x_1, x_561, x_562, x_3, x_5, x_6, x_558);
+x_563 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg(x_1, x_561, x_562, x_3, x_5, x_6, x_558);
 lean_dec(x_1);
 if (lean_obj_tag(x_563) == 0)
 {
@@ -23219,11 +21615,11 @@ return x_582;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg___boxed), 7, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed), 7, 0);
 return x_2;
 }
 }
@@ -23317,7 +21713,7 @@ x_62 = lean_ctor_get(x_60, 1);
 lean_inc(x_62);
 lean_dec(x_60);
 lean_inc(x_61);
-x_63 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg(x_50, x_61, x_2, x_3, x_62);
+x_63 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg(x_50, x_61, x_2, x_3, x_62);
 if (lean_obj_tag(x_63) == 0)
 {
 lean_object* x_64; 
@@ -23447,7 +21843,7 @@ lean_object* x_82; lean_object* x_83;
 x_82 = lean_ctor_get(x_1, 0);
 lean_inc(x_82);
 lean_inc(x_82);
-x_83 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_82, x_2, x_3, x_48);
+x_83 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_82, x_2, x_3, x_48);
 if (lean_obj_tag(x_83) == 0)
 {
 lean_object* x_84; lean_object* x_85; size_t x_86; size_t x_87; uint8_t x_88; 
@@ -23510,7 +21906,7 @@ lean_inc(x_94);
 x_95 = lean_ctor_get(x_1, 1);
 lean_inc(x_95);
 lean_inc(x_95);
-x_96 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(x_5, x_95, x_2, x_3, x_48);
+x_96 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(x_5, x_95, x_2, x_3, x_48);
 if (lean_obj_tag(x_96) == 0)
 {
 lean_object* x_97; lean_object* x_98; uint8_t x_99; 
@@ -23577,7 +21973,7 @@ x_109 = lean_unsigned_to_nat(1u);
 x_110 = lean_nat_sub(x_106, x_109);
 lean_dec(x_106);
 lean_inc(x_1);
-x_111 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(x_5, x_1, x_108, x_110, x_2, x_3, x_48);
+x_111 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg(x_5, x_1, x_108, x_110, x_2, x_3, x_48);
 if (lean_obj_tag(x_111) == 0)
 {
 lean_object* x_112; lean_object* x_113; lean_object* x_114; 
@@ -24475,7 +22871,7 @@ x_291 = lean_ctor_get(x_289, 1);
 lean_inc(x_291);
 lean_dec(x_289);
 lean_inc(x_290);
-x_292 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg(x_279, x_290, x_2, x_3, x_291);
+x_292 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg(x_279, x_290, x_2, x_3, x_291);
 if (lean_obj_tag(x_292) == 0)
 {
 lean_object* x_293; 
@@ -24613,7 +23009,7 @@ lean_object* x_311; lean_object* x_312;
 x_311 = lean_ctor_get(x_1, 0);
 lean_inc(x_311);
 lean_inc(x_311);
-x_312 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_311, x_2, x_3, x_277);
+x_312 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_311, x_2, x_3, x_277);
 if (lean_obj_tag(x_312) == 0)
 {
 lean_object* x_313; lean_object* x_314; size_t x_315; size_t x_316; uint8_t x_317; 
@@ -24678,7 +23074,7 @@ lean_inc(x_323);
 x_324 = lean_ctor_get(x_1, 1);
 lean_inc(x_324);
 lean_inc(x_324);
-x_325 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(x_5, x_324, x_2, x_3, x_277);
+x_325 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(x_5, x_324, x_2, x_3, x_277);
 if (lean_obj_tag(x_325) == 0)
 {
 lean_object* x_326; lean_object* x_327; uint8_t x_328; 
@@ -24747,7 +23143,7 @@ x_338 = lean_unsigned_to_nat(1u);
 x_339 = lean_nat_sub(x_335, x_338);
 lean_dec(x_335);
 lean_inc(x_1);
-x_340 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(x_5, x_1, x_337, x_339, x_2, x_3, x_277);
+x_340 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg(x_5, x_1, x_337, x_339, x_2, x_3, x_277);
 if (lean_obj_tag(x_340) == 0)
 {
 lean_object* x_341; lean_object* x_342; lean_object* x_343; 
@@ -26019,35 +24415,6 @@ lean_dec(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___rarg(x_1, x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__4(x_1, x_2);
-lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___lambda__1(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_6;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -26058,103 +24425,112 @@ lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__5___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_MVarId_assign___at_Lean_instantiateMVarsCore___spec__4___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__7___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__6___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___rarg(x_1, x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__8(x_1, x_2);
-lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__6___rarg(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__5___rarg(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__8___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___rarg(x_1, x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__11(x_1, x_2);
-lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__7___rarg(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; 
-x_6 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__12___rarg(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_List_mapM___at_Lean_instantiateMVarsCore___spec__9___rarg(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
 return x_6;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+size_t x_8; size_t x_9; lean_object* x_10; 
+x_8 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_9 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__10___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+size_t x_8; size_t x_9; lean_object* x_10; 
+x_8 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_9 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__11___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+size_t x_8; size_t x_9; lean_object* x_10; 
+x_8 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_9 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__12___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_10;
+}
+}
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__13___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -26170,19 +24546,14 @@ lean_dec(x_1);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-size_t x_8; size_t x_9; lean_object* x_10; 
-x_8 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_9 = lean_unbox_usize(x_3);
+lean_object* x_5; 
+x_5 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__14___rarg(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
-x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-return x_10;
+lean_dec(x_2);
+return x_5;
 }
 }
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__15___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -26215,32 +24586,34 @@ lean_dec(x_1);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___rarg(x_1, x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18(x_1, x_2);
+size_t x_8; size_t x_9; lean_object* x_10; 
+x_8 = lean_unbox_usize(x_2);
 lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg(x_1, x_2, x_3, x_4);
+x_9 = lean_unbox_usize(x_3);
 lean_dec(x_3);
+x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__17___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+size_t x_8; size_t x_9; lean_object* x_10; 
+x_8 = lean_unbox_usize(x_2);
 lean_dec(x_2);
-return x_5;
+x_9 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__18___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__19___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
@@ -26528,71 +24901,11 @@ lean_dec(x_1);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-size_t x_8; size_t x_9; lean_object* x_10; 
-x_8 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_9 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-size_t x_8; size_t x_9; lean_object* x_10; 
-x_8 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_9 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-size_t x_8; size_t x_9; lean_object* x_10; 
-x_8 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_9 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-size_t x_8; size_t x_9; lean_object* x_10; 
-x_8 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_9 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_10 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(x_1, x_8, x_9, x_4, x_5, x_6, x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_1);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
 lean_object* x_8; 
-x_8 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__38___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 return x_8;
@@ -26608,14 +24921,7 @@ lean_dec(x_2);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_inc(x_1);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -26628,10 +24934,10 @@ lean_dec(x_6);
 x_9 = lean_ctor_get(x_2, 1);
 lean_inc(x_9);
 lean_dec(x_2);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateMVars___rarg___lambda__1___boxed), 2, 1);
+x_10 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_10, 0, x_8);
 x_11 = lean_apply_1(x_9, x_10);
-x_12 = lean_alloc_closure((void*)(l_Lean_getLevelMVarAssignment_x3f___rarg___lambda__1___boxed), 3, 2);
+x_12 = lean_alloc_closure((void*)(l_Lean_instantiateLevelMVars___rarg___lambda__6___boxed), 3, 2);
 lean_closure_set(x_12, 0, x_3);
 lean_closure_set(x_12, 1, x_7);
 x_13 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_11, x_12);
@@ -26664,7 +24970,7 @@ lean_inc(x_8);
 x_9 = lean_ctor_get(x_2, 0);
 lean_inc(x_9);
 lean_inc(x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_instantiateMVars___rarg___lambda__2), 5, 4);
+x_10 = lean_alloc_closure((void*)(l_Lean_instantiateMVars___rarg___lambda__1), 5, 4);
 lean_closure_set(x_10, 0, x_3);
 lean_closure_set(x_10, 1, x_2);
 lean_closure_set(x_10, 2, x_1);
@@ -26682,16 +24988,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_instantiateMVars___rarg), 3, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_instantiateMVars___rarg___lambda__1(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__5___rarg___lambda__1(size_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, lean_object* x_6) {
 _start:
 {
@@ -29273,7 +27569,7 @@ return x_5;
 }
 else
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
 x_16 = lean_ctor_get(x_5, 0);
 x_17 = lean_ctor_get(x_5, 1);
 x_18 = lean_ctor_get(x_5, 2);
@@ -29282,7 +27578,6 @@ x_20 = lean_ctor_get(x_5, 4);
 x_21 = lean_ctor_get(x_5, 5);
 x_22 = lean_ctor_get(x_5, 6);
 x_23 = lean_ctor_get(x_5, 7);
-x_24 = lean_ctor_get_uint8(x_5, sizeof(void*)*8);
 lean_inc(x_23);
 lean_inc(x_22);
 lean_inc(x_21);
@@ -29292,38 +27587,37 @@ lean_inc(x_18);
 lean_inc(x_17);
 lean_inc(x_16);
 lean_dec(x_5);
-x_25 = lean_ctor_get(x_1, 0);
-x_26 = lean_ctor_get(x_1, 3);
-x_27 = lean_ctor_get(x_1, 4);
-x_28 = lean_ctor_get_uint8(x_1, sizeof(void*)*7);
-x_29 = lean_ctor_get(x_1, 5);
-x_30 = lean_ctor_get(x_1, 6);
-lean_inc(x_30);
+x_24 = lean_ctor_get(x_1, 0);
+x_25 = lean_ctor_get(x_1, 3);
+x_26 = lean_ctor_get(x_1, 4);
+x_27 = lean_ctor_get_uint8(x_1, sizeof(void*)*7);
+x_28 = lean_ctor_get(x_1, 5);
+x_29 = lean_ctor_get(x_1, 6);
 lean_inc(x_29);
-lean_inc(x_27);
+lean_inc(x_28);
 lean_inc(x_26);
 lean_inc(x_25);
-x_31 = lean_alloc_ctor(0, 7, 1);
-lean_ctor_set(x_31, 0, x_25);
-lean_ctor_set(x_31, 1, x_2);
-lean_ctor_set(x_31, 2, x_3);
-lean_ctor_set(x_31, 3, x_26);
-lean_ctor_set(x_31, 4, x_27);
-lean_ctor_set(x_31, 5, x_29);
-lean_ctor_set(x_31, 6, x_30);
-lean_ctor_set_uint8(x_31, sizeof(void*)*7, x_28);
-x_32 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_19, x_4, x_31);
-x_33 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_33, 0, x_16);
-lean_ctor_set(x_33, 1, x_17);
-lean_ctor_set(x_33, 2, x_18);
-lean_ctor_set(x_33, 3, x_32);
-lean_ctor_set(x_33, 4, x_20);
-lean_ctor_set(x_33, 5, x_21);
-lean_ctor_set(x_33, 6, x_22);
-lean_ctor_set(x_33, 7, x_23);
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_24);
-return x_33;
+lean_inc(x_24);
+x_30 = lean_alloc_ctor(0, 7, 1);
+lean_ctor_set(x_30, 0, x_24);
+lean_ctor_set(x_30, 1, x_2);
+lean_ctor_set(x_30, 2, x_3);
+lean_ctor_set(x_30, 3, x_25);
+lean_ctor_set(x_30, 4, x_26);
+lean_ctor_set(x_30, 5, x_28);
+lean_ctor_set(x_30, 6, x_29);
+lean_ctor_set_uint8(x_30, sizeof(void*)*7, x_27);
+x_31 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_19, x_4, x_30);
+x_32 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_32, 0, x_16);
+lean_ctor_set(x_32, 1, x_17);
+lean_ctor_set(x_32, 2, x_18);
+lean_ctor_set(x_32, 3, x_31);
+lean_ctor_set(x_32, 4, x_20);
+lean_ctor_set(x_32, 5, x_21);
+lean_ctor_set(x_32, 6, x_22);
+lean_ctor_set(x_32, 7, x_23);
+return x_32;
 }
 }
 }
@@ -30893,7 +29187,23 @@ return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; lean_object* x_7; 
+x_3 = lean_ctor_get(x_1, 0);
+lean_inc(x_3);
+lean_dec(x_1);
+x_4 = lean_ctor_get(x_3, 1);
+lean_inc(x_4);
+lean_dec(x_3);
+x_5 = 0;
+x_6 = lean_box(x_5);
+x_7 = lean_apply_2(x_4, lean_box(0), x_6);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
@@ -30908,7 +29218,7 @@ x_7 = lean_apply_2(x_5, lean_box(0), x_6);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_findExprDependsOn___rarg___lambda__2___closed__1() {
+static lean_object* _init_l_Lean_findExprDependsOn___rarg___lambda__3___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -30917,79 +29227,88 @@ x_2 = l_Std_mkHashSetImp___rarg(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
-uint8_t x_8; lean_object* x_9; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
-x_18 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_7);
-x_20 = l_Lean_Expr_hasFVar(x_1);
-if (x_20 == 0)
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_7);
+x_10 = l_Lean_Expr_hasFVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
-x_21 = l_Lean_Expr_hasMVar(x_1);
-if (x_21 == 0)
+uint8_t x_11; 
+x_11 = l_Lean_Expr_hasMVar(x_1);
+if (x_11 == 0)
 {
-uint8_t x_22; 
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_dec(x_9);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_1);
-x_22 = 0;
-x_8 = x_22;
-x_9 = x_19;
-goto block_17;
+x_12 = lean_ctor_get(x_2, 1);
+lean_inc(x_12);
+lean_dec(x_2);
+x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_13, 0, x_7);
+x_14 = lean_apply_1(x_12, x_13);
+x_15 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_15, 0, x_3);
+x_16 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_14, x_15);
+return x_16;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
-x_23 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_5, x_6, x_1, x_19);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_unbox(x_24);
-lean_dec(x_24);
-x_8 = x_26;
-x_9 = x_25;
-goto block_17;
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+lean_dec(x_7);
+x_17 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_5, x_6, x_1, x_9);
+x_18 = lean_ctor_get(x_17, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_17, 0);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_2, 1);
+lean_inc(x_21);
+lean_dec(x_2);
+x_22 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_22, 0, x_20);
+x_23 = lean_apply_1(x_21, x_22);
+x_24 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_24, 0, x_3);
+lean_closure_set(x_24, 1, x_19);
+x_25 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_23, x_24);
+return x_25;
 }
 }
 else
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
-x_27 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_5, x_6, x_1, x_19);
-x_28 = lean_ctor_get(x_27, 0);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+lean_dec(x_7);
+x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit(x_5, x_6, x_1, x_9);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_26, 0);
 lean_inc(x_28);
+lean_dec(x_26);
 x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
 lean_dec(x_27);
-x_30 = lean_unbox(x_28);
-lean_dec(x_28);
-x_8 = x_30;
-x_9 = x_29;
-goto block_17;
-}
-block_17:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_ctor_get(x_2, 1);
-lean_inc(x_11);
+x_30 = lean_ctor_get(x_2, 1);
+lean_inc(x_30);
 lean_dec(x_2);
-x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_12, 0, x_10);
-x_13 = lean_apply_1(x_11, x_12);
-x_14 = lean_box(x_8);
-x_15 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_15, 0, x_3);
-lean_closure_set(x_15, 1, x_14);
-x_16 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_15);
-return x_16;
+x_31 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_31, 0, x_29);
+x_32 = lean_apply_1(x_30, x_31);
+x_33 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_33, 0, x_3);
+lean_closure_set(x_33, 1, x_28);
+x_34 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_32, x_33);
+return x_34;
 }
 }
 }
@@ -31002,7 +29321,7 @@ lean_inc(x_6);
 x_7 = lean_ctor_get(x_2, 0);
 lean_inc(x_7);
 lean_inc(x_6);
-x_8 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2), 7, 6);
+x_8 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__3), 7, 6);
 lean_closure_set(x_8, 0, x_3);
 lean_closure_set(x_8, 1, x_2);
 lean_closure_set(x_8, 2, x_1);
@@ -31021,13 +29340,22 @@ x_2 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg), 5, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_findExprDependsOn___rarg___lambda__1(x_1, x_2);
+lean_dec(x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 uint8_t x_4; lean_object* x_5; 
 x_4 = lean_unbox(x_2);
 lean_dec(x_2);
-x_5 = l_Lean_findExprDependsOn___rarg___lambda__1(x_1, x_4, x_3);
+x_5 = l_Lean_findExprDependsOn___rarg___lambda__2(x_1, x_4, x_3);
 lean_dec(x_3);
 return x_5;
 }
@@ -31036,7 +29364,7 @@ LEAN_EXPORT lean_object* l_Lean_findLocalDeclDependsOn___rarg___lambda__1(lean_o
 _start:
 {
 uint8_t x_11; lean_object* x_12; uint8_t x_21; lean_object* x_22; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_35 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
+x_35 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
 x_36 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_10);
@@ -31098,11 +29426,11 @@ lean_dec(x_12);
 x_14 = lean_ctor_get(x_3, 1);
 lean_inc(x_14);
 lean_dec(x_3);
-x_15 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
+x_15 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_15, 0, x_13);
 x_16 = lean_apply_1(x_14, x_15);
 x_17 = lean_box(x_11);
-x_18 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
+x_18 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
 lean_closure_set(x_18, 0, x_4);
 lean_closure_set(x_18, 1, x_17);
 x_19 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_16, x_18);
@@ -31187,7 +29515,7 @@ lean_inc(x_7);
 x_8 = lean_ctor_get(x_2, 0);
 lean_inc(x_8);
 lean_inc(x_7);
-x_9 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2), 7, 6);
+x_9 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__3), 7, 6);
 lean_closure_set(x_9, 0, x_6);
 lean_closure_set(x_9, 1, x_2);
 lean_closure_set(x_9, 2, x_1);
@@ -31303,183 +29631,20 @@ return x_15;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_exprDependsOn___spec__5(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_1, 1);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
-{
-uint8_t x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = 1;
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_5);
-x_6 = lean_box(0);
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_6);
-lean_ctor_set(x_7, 1, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_dec(x_3);
-x_16 = 1;
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_8);
-lean_ctor_set(x_17, 1, x_9);
-lean_ctor_set(x_17, 2, x_10);
-lean_ctor_set(x_17, 3, x_11);
-lean_ctor_set(x_17, 4, x_12);
-lean_ctor_set(x_17, 5, x_13);
-lean_ctor_set(x_17, 6, x_14);
-lean_ctor_set(x_17, 7, x_15);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_16);
-lean_ctor_set(x_1, 1, x_17);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_1);
-return x_19;
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_20 = lean_ctor_get(x_1, 1);
-x_21 = lean_ctor_get(x_1, 0);
-lean_inc(x_20);
-lean_inc(x_21);
-lean_dec(x_1);
-x_22 = lean_ctor_get(x_20, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_20, 2);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_20, 3);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_20, 4);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_20, 5);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_20, 6);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 7);
-lean_inc(x_29);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- lean_ctor_release(x_20, 4);
- lean_ctor_release(x_20, 5);
- lean_ctor_release(x_20, 6);
- lean_ctor_release(x_20, 7);
- x_30 = x_20;
-} else {
- lean_dec_ref(x_20);
- x_30 = lean_box(0);
-}
-x_31 = 1;
-if (lean_is_scalar(x_30)) {
- x_32 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_32 = x_30;
-}
-lean_ctor_set(x_32, 0, x_22);
-lean_ctor_set(x_32, 1, x_23);
-lean_ctor_set(x_32, 2, x_24);
-lean_ctor_set(x_32, 3, x_25);
-lean_ctor_set(x_32, 4, x_26);
-lean_ctor_set(x_32, 5, x_27);
-lean_ctor_set(x_32, 6, x_28);
-lean_ctor_set(x_32, 7, x_29);
-lean_ctor_set_uint8(x_32, sizeof(void*)*8, x_31);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_21);
-lean_ctor_set(x_33, 1, x_32);
-x_34 = lean_box(0);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_33);
-return x_35;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_4, 0, x_1);
-lean_ctor_set(x_4, 1, x_3);
-return x_4;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_3; lean_object* x_4; 
+lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_3 = lean_ctor_get(x_2, 1);
 lean_inc(x_3);
 x_4 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_3, x_1);
-if (lean_obj_tag(x_4) == 0)
-{
-lean_object* x_5; 
 x_5 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_5, 0, x_4);
 lean_ctor_set(x_5, 1, x_2);
 return x_5;
 }
-else
-{
-lean_object* x_6; uint8_t x_7; 
-x_6 = l_Lean_markUsedAssignment___at_Lean_exprDependsOn___spec__5(x_2);
-x_7 = !lean_is_exclusive(x_6);
-if (x_7 == 0)
-{
-lean_object* x_8; 
-x_8 = lean_ctor_get(x_6, 0);
-lean_dec(x_8);
-lean_ctor_set(x_6, 0, x_4);
-return x_6;
 }
-else
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_ctor_get(x_6, 1);
-lean_inc(x_9);
-lean_dec(x_6);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_4);
-lean_ctor_set(x_10, 1, x_9);
-return x_10;
-}
-}
-}
-}
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -31488,7 +29653,7 @@ if (x_5 == 0)
 {
 lean_object* x_6; uint8_t x_7; 
 x_6 = lean_array_uget(x_2, x_3);
-x_7 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7(x_1, x_6);
+x_7 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6(x_1, x_6);
 if (x_7 == 0)
 {
 size_t x_8; size_t x_9; 
@@ -31512,6 +29677,144 @@ return x_12;
 }
 }
 }
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_eq(x_3, x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; 
+x_6 = lean_array_uget(x_2, x_3);
+if (lean_obj_tag(x_6) == 0)
+{
+size_t x_7; size_t x_8; 
+x_7 = 1;
+x_8 = lean_usize_add(x_3, x_7);
+x_3 = x_8;
+goto _start;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_10 = lean_ctor_get(x_6, 0);
+lean_inc(x_10);
+lean_dec(x_6);
+x_11 = l_Lean_LocalDecl_fvarId(x_10);
+lean_dec(x_10);
+x_12 = lean_name_eq(x_1, x_11);
+lean_dec(x_11);
+if (x_12 == 0)
+{
+size_t x_13; size_t x_14; 
+x_13 = 1;
+x_14 = lean_usize_add(x_3, x_13);
+x_3 = x_14;
+goto _start;
+}
+else
+{
+uint8_t x_16; 
+x_16 = 1;
+return x_16;
+}
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = 0;
+return x_17;
+}
+}
+}
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+lean_dec(x_2);
+x_4 = lean_array_get_size(x_3);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = lean_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_7 = 0;
+return x_7;
+}
+else
+{
+uint8_t x_8; 
+x_8 = lean_nat_dec_le(x_4, x_4);
+if (x_8 == 0)
+{
+uint8_t x_9; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_9 = 0;
+return x_9;
+}
+else
+{
+size_t x_10; size_t x_11; uint8_t x_12; 
+x_10 = 0;
+x_11 = lean_usize_of_nat(x_4);
+lean_dec(x_4);
+x_12 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7(x_1, x_3, x_10, x_11);
+lean_dec(x_3);
+return x_12;
+}
+}
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_13 = lean_ctor_get(x_2, 0);
+lean_inc(x_13);
+lean_dec(x_2);
+x_14 = lean_array_get_size(x_13);
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = lean_nat_dec_lt(x_15, x_14);
+if (x_16 == 0)
+{
+uint8_t x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+x_17 = 0;
+return x_17;
+}
+else
+{
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_14, x_14);
+if (x_18 == 0)
+{
+uint8_t x_19; 
+lean_dec(x_14);
+lean_dec(x_13);
+x_19 = 0;
+return x_19;
+}
+else
+{
+size_t x_20; size_t x_21; uint8_t x_22; 
+x_20 = 0;
+x_21 = lean_usize_of_nat(x_14);
+lean_dec(x_14);
+x_22 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(x_1, x_13, x_20, x_21);
+lean_dec(x_13);
+return x_22;
+}
+}
+}
+}
+}
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
 {
@@ -31563,151 +29866,13 @@ return x_17;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_3 = lean_ctor_get(x_2, 0);
-lean_inc(x_3);
-lean_dec(x_2);
-x_4 = lean_array_get_size(x_3);
-x_5 = lean_unsigned_to_nat(0u);
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_7 = 0;
-return x_7;
-}
-else
-{
-uint8_t x_8; 
-x_8 = lean_nat_dec_le(x_4, x_4);
-if (x_8 == 0)
-{
-uint8_t x_9; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_9 = 0;
-return x_9;
-}
-else
-{
-size_t x_10; size_t x_11; uint8_t x_12; 
-x_10 = 0;
-x_11 = lean_usize_of_nat(x_4);
-lean_dec(x_4);
-x_12 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(x_1, x_3, x_10, x_11);
-lean_dec(x_3);
-return x_12;
-}
-}
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_13 = lean_ctor_get(x_2, 0);
-lean_inc(x_13);
-lean_dec(x_2);
-x_14 = lean_array_get_size(x_13);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = lean_nat_dec_lt(x_15, x_14);
-if (x_16 == 0)
-{
-uint8_t x_17; 
-lean_dec(x_14);
-lean_dec(x_13);
-x_17 = 0;
-return x_17;
-}
-else
-{
-uint8_t x_18; 
-x_18 = lean_nat_dec_le(x_14, x_14);
-if (x_18 == 0)
-{
-uint8_t x_19; 
-lean_dec(x_14);
-lean_dec(x_13);
-x_19 = 0;
-return x_19;
-}
-else
-{
-size_t x_20; size_t x_21; uint8_t x_22; 
-x_20 = 0;
-x_21 = lean_usize_of_nat(x_14);
-lean_dec(x_14);
-x_22 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9(x_1, x_13, x_20, x_21);
-lean_dec(x_13);
-return x_22;
-}
-}
-}
-}
-}
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
-_start:
-{
-uint8_t x_5; 
-x_5 = lean_usize_dec_eq(x_3, x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; 
-x_6 = lean_array_uget(x_2, x_3);
-if (lean_obj_tag(x_6) == 0)
-{
-size_t x_7; size_t x_8; 
-x_7 = 1;
-x_8 = lean_usize_add(x_3, x_7);
-x_3 = x_8;
-goto _start;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_6, 0);
-lean_inc(x_10);
-lean_dec(x_6);
-x_11 = l_Lean_LocalDecl_fvarId(x_10);
-lean_dec(x_10);
-x_12 = lean_name_eq(x_1, x_11);
-lean_dec(x_11);
-if (x_12 == 0)
-{
-size_t x_13; size_t x_14; 
-x_13 = 1;
-x_14 = lean_usize_add(x_3, x_13);
-x_3 = x_14;
-goto _start;
-}
-else
-{
-uint8_t x_16; 
-x_16 = 1;
-return x_16;
-}
-}
-}
-else
-{
-uint8_t x_17; 
-x_17 = 0;
-return x_17;
-}
-}
-}
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
 x_3 = lean_ctor_get(x_2, 0);
 lean_inc(x_3);
-x_4 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7(x_1, x_3);
+x_4 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6(x_1, x_3);
 if (x_4 == 0)
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
@@ -31743,7 +29908,7 @@ size_t x_12; size_t x_13; uint8_t x_14;
 x_12 = 0;
 x_13 = lean_usize_of_nat(x_6);
 lean_dec(x_6);
-x_14 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10(x_1, x_5, x_12, x_13);
+x_14 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9(x_1, x_5, x_12, x_13);
 lean_dec(x_5);
 return x_14;
 }
@@ -31756,7 +29921,7 @@ return x_4;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; 
@@ -31885,7 +30050,7 @@ lean_dec(x_15);
 x_17 = lean_ctor_get(x_16, 1);
 lean_inc(x_17);
 lean_dec(x_16);
-x_18 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6(x_1, x_17);
+x_18 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5(x_1, x_17);
 x_19 = lean_box(x_18);
 lean_ctor_set(x_9, 0, x_19);
 return x_9;
@@ -31905,7 +30070,7 @@ lean_dec(x_22);
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6(x_1, x_24);
+x_25 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5(x_1, x_24);
 x_26 = lean_box(x_25);
 x_27 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_27, 0, x_26);
@@ -31943,7 +30108,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -32231,7 +30396,7 @@ return x_16;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 5)
@@ -32242,7 +30407,7 @@ lean_inc(x_4);
 x_5 = lean_ctor_get(x_2, 1);
 lean_inc(x_5);
 lean_dec(x_2);
-x_6 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(x_1, x_4, x_3);
+x_6 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(x_1, x_4, x_3);
 x_7 = lean_ctor_get(x_6, 0);
 lean_inc(x_7);
 x_8 = lean_unbox(x_7);
@@ -32253,7 +30418,7 @@ lean_dec(x_7);
 x_9 = lean_ctor_get(x_6, 1);
 lean_inc(x_9);
 lean_dec(x_6);
-x_10 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_5, x_9);
+x_10 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_5, x_9);
 return x_10;
 }
 else
@@ -32284,12 +30449,12 @@ return x_14;
 else
 {
 lean_object* x_15; 
-x_15 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_2, x_3);
+x_15 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_2, x_3);
 return x_15;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -32298,7 +30463,7 @@ if (x_5 == 0)
 {
 lean_object* x_6; uint8_t x_7; 
 x_6 = lean_array_uget(x_2, x_3);
-x_7 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16(x_1, x_6);
+x_7 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15(x_1, x_6);
 if (x_7 == 0)
 {
 size_t x_8; size_t x_9; 
@@ -32322,6 +30487,144 @@ return x_12;
 }
 }
 }
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_eq(x_3, x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; 
+x_6 = lean_array_uget(x_2, x_3);
+if (lean_obj_tag(x_6) == 0)
+{
+size_t x_7; size_t x_8; 
+x_7 = 1;
+x_8 = lean_usize_add(x_3, x_7);
+x_3 = x_8;
+goto _start;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_10 = lean_ctor_get(x_6, 0);
+lean_inc(x_10);
+lean_dec(x_6);
+x_11 = l_Lean_LocalDecl_fvarId(x_10);
+lean_dec(x_10);
+x_12 = lean_name_eq(x_1, x_11);
+lean_dec(x_11);
+if (x_12 == 0)
+{
+size_t x_13; size_t x_14; 
+x_13 = 1;
+x_14 = lean_usize_add(x_3, x_13);
+x_3 = x_14;
+goto _start;
+}
+else
+{
+uint8_t x_16; 
+x_16 = 1;
+return x_16;
+}
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = 0;
+return x_17;
+}
+}
+}
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+lean_dec(x_2);
+x_4 = lean_array_get_size(x_3);
+x_5 = lean_unsigned_to_nat(0u);
+x_6 = lean_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_7 = 0;
+return x_7;
+}
+else
+{
+uint8_t x_8; 
+x_8 = lean_nat_dec_le(x_4, x_4);
+if (x_8 == 0)
+{
+uint8_t x_9; 
+lean_dec(x_4);
+lean_dec(x_3);
+x_9 = 0;
+return x_9;
+}
+else
+{
+size_t x_10; size_t x_11; uint8_t x_12; 
+x_10 = 0;
+x_11 = lean_usize_of_nat(x_4);
+lean_dec(x_4);
+x_12 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16(x_1, x_3, x_10, x_11);
+lean_dec(x_3);
+return x_12;
+}
+}
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_13 = lean_ctor_get(x_2, 0);
+lean_inc(x_13);
+lean_dec(x_2);
+x_14 = lean_array_get_size(x_13);
+x_15 = lean_unsigned_to_nat(0u);
+x_16 = lean_nat_dec_lt(x_15, x_14);
+if (x_16 == 0)
+{
+uint8_t x_17; 
+lean_dec(x_14);
+lean_dec(x_13);
+x_17 = 0;
+return x_17;
+}
+else
+{
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_14, x_14);
+if (x_18 == 0)
+{
+uint8_t x_19; 
+lean_dec(x_14);
+lean_dec(x_13);
+x_19 = 0;
+return x_19;
+}
+else
+{
+size_t x_20; size_t x_21; uint8_t x_22; 
+x_20 = 0;
+x_21 = lean_usize_of_nat(x_14);
+lean_dec(x_14);
+x_22 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17(x_1, x_13, x_20, x_21);
+lean_dec(x_13);
+return x_22;
+}
+}
+}
+}
+}
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
 _start:
 {
@@ -32373,151 +30676,13 @@ return x_17;
 }
 }
 }
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_3 = lean_ctor_get(x_2, 0);
-lean_inc(x_3);
-lean_dec(x_2);
-x_4 = lean_array_get_size(x_3);
-x_5 = lean_unsigned_to_nat(0u);
-x_6 = lean_nat_dec_lt(x_5, x_4);
-if (x_6 == 0)
-{
-uint8_t x_7; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_7 = 0;
-return x_7;
-}
-else
-{
-uint8_t x_8; 
-x_8 = lean_nat_dec_le(x_4, x_4);
-if (x_8 == 0)
-{
-uint8_t x_9; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_9 = 0;
-return x_9;
-}
-else
-{
-size_t x_10; size_t x_11; uint8_t x_12; 
-x_10 = 0;
-x_11 = lean_usize_of_nat(x_4);
-lean_dec(x_4);
-x_12 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17(x_1, x_3, x_10, x_11);
-lean_dec(x_3);
-return x_12;
-}
-}
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_13 = lean_ctor_get(x_2, 0);
-lean_inc(x_13);
-lean_dec(x_2);
-x_14 = lean_array_get_size(x_13);
-x_15 = lean_unsigned_to_nat(0u);
-x_16 = lean_nat_dec_lt(x_15, x_14);
-if (x_16 == 0)
-{
-uint8_t x_17; 
-lean_dec(x_14);
-lean_dec(x_13);
-x_17 = 0;
-return x_17;
-}
-else
-{
-uint8_t x_18; 
-x_18 = lean_nat_dec_le(x_14, x_14);
-if (x_18 == 0)
-{
-uint8_t x_19; 
-lean_dec(x_14);
-lean_dec(x_13);
-x_19 = 0;
-return x_19;
-}
-else
-{
-size_t x_20; size_t x_21; uint8_t x_22; 
-x_20 = 0;
-x_21 = lean_usize_of_nat(x_14);
-lean_dec(x_14);
-x_22 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18(x_1, x_13, x_20, x_21);
-lean_dec(x_13);
-return x_22;
-}
-}
-}
-}
-}
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
-_start:
-{
-uint8_t x_5; 
-x_5 = lean_usize_dec_eq(x_3, x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; 
-x_6 = lean_array_uget(x_2, x_3);
-if (lean_obj_tag(x_6) == 0)
-{
-size_t x_7; size_t x_8; 
-x_7 = 1;
-x_8 = lean_usize_add(x_3, x_7);
-x_3 = x_8;
-goto _start;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_6, 0);
-lean_inc(x_10);
-lean_dec(x_6);
-x_11 = l_Lean_LocalDecl_fvarId(x_10);
-lean_dec(x_10);
-x_12 = lean_name_eq(x_1, x_11);
-lean_dec(x_11);
-if (x_12 == 0)
-{
-size_t x_13; size_t x_14; 
-x_13 = 1;
-x_14 = lean_usize_add(x_3, x_13);
-x_3 = x_14;
-goto _start;
-}
-else
-{
-uint8_t x_16; 
-x_16 = 1;
-return x_16;
-}
-}
-}
-else
-{
-uint8_t x_17; 
-x_17 = 0;
-return x_17;
-}
-}
-}
-LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
 x_3 = lean_ctor_get(x_2, 0);
 lean_inc(x_3);
-x_4 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16(x_1, x_3);
+x_4 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15(x_1, x_3);
 if (x_4 == 0)
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; 
@@ -32553,7 +30718,7 @@ size_t x_12; size_t x_13; uint8_t x_14;
 x_12 = 0;
 x_13 = lean_usize_of_nat(x_6);
 lean_dec(x_6);
-x_14 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19(x_1, x_5, x_12, x_13);
+x_14 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18(x_1, x_5, x_12, x_13);
 lean_dec(x_5);
 return x_14;
 }
@@ -32566,7 +30731,7 @@ return x_4;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
@@ -32613,7 +30778,7 @@ lean_dec(x_15);
 x_17 = lean_ctor_get(x_16, 1);
 lean_inc(x_17);
 lean_dec(x_16);
-x_18 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15(x_1, x_17);
+x_18 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14(x_1, x_17);
 x_19 = lean_box(x_18);
 lean_ctor_set(x_9, 0, x_19);
 return x_9;
@@ -32633,7 +30798,7 @@ lean_dec(x_22);
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15(x_1, x_24);
+x_25 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14(x_1, x_24);
 x_26 = lean_box(x_25);
 x_27 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_27, 0, x_26);
@@ -32651,7 +30816,7 @@ lean_dec(x_9);
 x_29 = lean_ctor_get(x_10, 0);
 lean_inc(x_29);
 lean_dec(x_10);
-x_30 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_29, x_28);
+x_30 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_29, x_28);
 return x_30;
 }
 }
@@ -32664,14 +30829,14 @@ if (x_32 == 0)
 {
 lean_object* x_33; 
 lean_dec(x_31);
-x_33 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(x_1, x_2, x_3);
+x_33 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(x_1, x_2, x_3);
 return x_33;
 }
 else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -32692,7 +30857,7 @@ else
 {
 lean_object* x_40; 
 lean_dec(x_35);
-x_40 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(x_1, x_2, x_36);
+x_40 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(x_1, x_2, x_36);
 return x_40;
 }
 }
@@ -32705,7 +30870,7 @@ lean_inc(x_41);
 x_42 = lean_ctor_get(x_2, 2);
 lean_inc(x_42);
 lean_dec(x_2);
-x_43 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_41, x_3);
+x_43 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_41, x_3);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_unbox(x_44);
@@ -32716,7 +30881,7 @@ lean_dec(x_44);
 x_46 = lean_ctor_get(x_43, 1);
 lean_inc(x_46);
 lean_dec(x_43);
-x_47 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_42, x_46);
+x_47 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_42, x_46);
 return x_47;
 }
 else
@@ -32752,7 +30917,7 @@ lean_inc(x_52);
 x_53 = lean_ctor_get(x_2, 2);
 lean_inc(x_53);
 lean_dec(x_2);
-x_54 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_52, x_3);
+x_54 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_52, x_3);
 x_55 = lean_ctor_get(x_54, 0);
 lean_inc(x_55);
 x_56 = lean_unbox(x_55);
@@ -32763,7 +30928,7 @@ lean_dec(x_55);
 x_57 = lean_ctor_get(x_54, 1);
 lean_inc(x_57);
 lean_dec(x_54);
-x_58 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_53, x_57);
+x_58 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_53, x_57);
 return x_58;
 }
 else
@@ -32801,7 +30966,7 @@ lean_inc(x_64);
 x_65 = lean_ctor_get(x_2, 3);
 lean_inc(x_65);
 lean_dec(x_2);
-x_66 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_63, x_3);
+x_66 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_63, x_3);
 x_67 = lean_ctor_get(x_66, 0);
 lean_inc(x_67);
 x_68 = lean_unbox(x_67);
@@ -32812,7 +30977,7 @@ lean_dec(x_67);
 x_69 = lean_ctor_get(x_66, 1);
 lean_inc(x_69);
 lean_dec(x_66);
-x_70 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_64, x_69);
+x_70 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_64, x_69);
 x_71 = lean_ctor_get(x_70, 0);
 lean_inc(x_71);
 x_72 = lean_unbox(x_71);
@@ -32823,7 +30988,7 @@ lean_dec(x_71);
 x_73 = lean_ctor_get(x_70, 1);
 lean_inc(x_73);
 lean_dec(x_70);
-x_74 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_65, x_73);
+x_74 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_65, x_73);
 return x_74;
 }
 else
@@ -32883,7 +31048,7 @@ lean_object* x_83; lean_object* x_84;
 x_83 = lean_ctor_get(x_2, 1);
 lean_inc(x_83);
 lean_dec(x_2);
-x_84 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_83, x_3);
+x_84 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_83, x_3);
 return x_84;
 }
 case 11:
@@ -32892,7 +31057,7 @@ lean_object* x_85; lean_object* x_86;
 x_85 = lean_ctor_get(x_2, 2);
 lean_inc(x_85);
 lean_dec(x_2);
-x_86 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_85, x_3);
+x_86 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_85, x_3);
 return x_86;
 }
 default: 
@@ -32909,7 +31074,7 @@ return x_89;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; uint8_t x_6; 
@@ -32954,7 +31119,7 @@ lean_object* x_15; lean_object* x_16;
 x_15 = lean_ctor_get(x_4, 1);
 lean_inc(x_15);
 lean_dec(x_4);
-x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13(x_1, x_2, x_15);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12(x_1, x_2, x_15);
 return x_16;
 }
 }
@@ -32962,74 +31127,83 @@ return x_16;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
@@ -33069,13 +31243,19 @@ lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_4; 
-x_4 = l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1(x_1, x_2, x_3);
+size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_7 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__7(x_1, x_2, x_5, x_6);
 lean_dec(x_2);
-return x_4;
+lean_dec(x_1);
+x_8 = lean_box(x_7);
+return x_8;
 }
 }
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
@@ -33093,6 +31273,16 @@ x_8 = lean_box(x_7);
 return x_8;
 }
 }
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__6(x_1, x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -33108,36 +31298,11 @@ x_8 = lean_box(x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__7(x_1, x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
-x_5 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_6 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_7 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__10(x_1, x_2, x_5, x_6);
-lean_dec(x_2);
-lean_dec(x_1);
-x_8 = lean_box(x_7);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__6(x_1, x_2);
+x_3 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__5(x_1, x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
 return x_4;
@@ -33161,15 +31326,30 @@ lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(x_1, x_2, x_3);
+x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__13(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_7 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__16(x_1, x_2, x_5, x_6);
+lean_dec(x_2);
+lean_dec(x_1);
+x_8 = lean_box(x_7);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__17___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -33185,6 +31365,16 @@ x_8 = lean_box(x_7);
 return x_8;
 }
 }
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__15(x_1, x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__18___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -33200,55 +31390,30 @@ x_8 = lean_box(x_7);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16(x_1, x_2);
+x_3 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__14(x_1, x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
-x_5 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_6 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_7 = l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__19(x_1, x_2, x_5, x_6);
-lean_dec(x_2);
-lean_dec(x_1);
-x_8 = lean_box(x_7);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_Std_PersistentArray_anyM___at_Lean_exprDependsOn___spec__15(x_1, x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13(x_1, x_2, x_3);
+x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__12(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__12(x_1, x_2, x_3);
+x_4 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__11(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
@@ -33718,7 +31883,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -34446,7 +32611,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -35174,7 +33339,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -35902,7 +34067,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -36630,7 +34795,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -37358,7 +35523,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -37649,74 +35814,83 @@ return x_16;
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__1(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__1(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__9(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__9(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
@@ -37724,7 +35898,7 @@ LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__2(lean_objec
 _start:
 {
 uint8_t x_9; lean_object* x_10; uint8_t x_19; lean_object* x_20; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_33 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
+x_33 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
 x_34 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_34, 0, x_33);
 lean_ctor_set(x_34, 1, x_8);
@@ -37782,11 +35956,11 @@ lean_dec(x_10);
 x_12 = lean_ctor_get(x_3, 1);
 lean_inc(x_12);
 lean_dec(x_3);
-x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
+x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_13, 0, x_11);
 x_14 = lean_apply_1(x_12, x_13);
 x_15 = lean_box(x_9);
-x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
+x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
 lean_closure_set(x_16, 0, x_4);
 lean_closure_set(x_16, 1, x_15);
 x_17 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_14, x_16);
@@ -38863,7 +37037,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -39419,7 +37593,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -40255,7 +38429,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -41018,7 +39192,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -41319,150 +39493,168 @@ return x_16;
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_5);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__1(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__1(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__8(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__8(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_5);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__11(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__11(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__19(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__19(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
@@ -41888,7 +40080,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -42444,7 +40636,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -43000,7 +41192,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -43556,7 +41748,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -44112,7 +42304,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -44668,7 +42860,7 @@ else
 {
 lean_object* x_39; uint8_t x_40; 
 lean_inc(x_2);
-x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_39 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_40 = !lean_is_exclusive(x_39);
 if (x_40 == 0)
 {
@@ -45504,7 +43696,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -46267,7 +44459,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -47030,7 +45222,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -47793,7 +45985,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -48556,7 +46748,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -49319,7 +47511,7 @@ else
 {
 lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_inc(x_2);
-x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_35 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -49620,75 +47812,84 @@ return x_16;
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_5);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__1(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__1(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__4(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__4(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
@@ -49696,7 +47897,7 @@ LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__2(lean_o
 _start:
 {
 uint8_t x_9; lean_object* x_10; uint8_t x_19; lean_object* x_20; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_33 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
+x_33 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
 x_34 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_34, 0, x_33);
 lean_ctor_set(x_34, 1, x_8);
@@ -49756,11 +47957,11 @@ lean_dec(x_10);
 x_12 = lean_ctor_get(x_3, 1);
 lean_inc(x_12);
 lean_dec(x_3);
-x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
+x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_13, 0, x_11);
 x_14 = lean_apply_1(x_12, x_13);
 x_15 = lean_box(x_9);
-x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
+x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
 lean_closure_set(x_16, 0, x_4);
 lean_closure_set(x_16, 1, x_15);
 x_17 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_14, x_16);
@@ -49832,75 +48033,84 @@ goto block_18;
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-uint8_t x_7; lean_object* x_8; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_17 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
-lean_ctor_set(x_18, 1, x_6);
-x_19 = l_Lean_Expr_hasFVar(x_1);
-if (x_19 == 0)
+lean_object* x_7; lean_object* x_8; uint8_t x_9; 
+x_7 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Expr_hasFVar(x_1);
+if (x_9 == 0)
 {
-uint8_t x_20; 
-x_20 = l_Lean_Expr_hasMVar(x_1);
-if (x_20 == 0)
+uint8_t x_10; 
+x_10 = l_Lean_Expr_hasMVar(x_1);
+if (x_10 == 0)
 {
-uint8_t x_21; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+lean_dec(x_8);
 lean_dec(x_5);
 lean_dec(x_1);
-x_21 = 0;
-x_7 = x_21;
-x_8 = x_18;
-goto block_16;
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_11);
+lean_dec(x_2);
+x_12 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_12, 0, x_6);
+x_13 = lean_apply_1(x_11, x_12);
+x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_14, 0, x_3);
+x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_13, x_14);
+return x_15;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__19(x_5, x_1, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = lean_unbox(x_23);
-lean_dec(x_23);
-x_7 = x_25;
-x_8 = x_24;
-goto block_16;
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_6);
+x_16 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__19(x_5, x_1, x_8);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_ctor_get(x_2, 1);
+lean_inc(x_20);
+lean_dec(x_2);
+x_21 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_21, 0, x_19);
+x_22 = lean_apply_1(x_20, x_21);
+x_23 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_23, 0, x_3);
+lean_closure_set(x_23, 1, x_18);
+x_24 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_26 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__27(x_5, x_1, x_18);
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_6);
+x_25 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__27(x_5, x_1, x_8);
+x_26 = lean_ctor_get(x_25, 1);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 0);
 lean_inc(x_27);
+lean_dec(x_25);
 x_28 = lean_ctor_get(x_26, 1);
 lean_inc(x_28);
 lean_dec(x_26);
-x_29 = lean_unbox(x_27);
-lean_dec(x_27);
-x_7 = x_29;
-x_8 = x_28;
-goto block_16;
-}
-block_16:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get(x_2, 1);
-lean_inc(x_10);
+x_29 = lean_ctor_get(x_2, 1);
+lean_inc(x_29);
 lean_dec(x_2);
-x_11 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
-lean_closure_set(x_11, 0, x_9);
-x_12 = lean_apply_1(x_10, x_11);
-x_13 = lean_box(x_7);
-x_14 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
-lean_closure_set(x_14, 0, x_3);
-lean_closure_set(x_14, 1, x_13);
-x_15 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_12, x_14);
-return x_15;
+x_30 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
+lean_closure_set(x_30, 0, x_28);
+x_31 = lean_apply_1(x_29, x_30);
+x_32 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
+lean_closure_set(x_32, 0, x_3);
+lean_closure_set(x_32, 1, x_27);
+x_33 = lean_apply_4(x_4, lean_box(0), lean_box(0), x_31, x_32);
+return x_33;
 }
 }
 }
@@ -49908,7 +48118,7 @@ LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__4(lean_o
 _start:
 {
 uint8_t x_9; lean_object* x_10; uint8_t x_19; lean_object* x_20; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_33 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
+x_33 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
 x_34 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_34, 0, x_33);
 lean_ctor_set(x_34, 1, x_8);
@@ -49968,11 +48178,11 @@ lean_dec(x_10);
 x_12 = lean_ctor_get(x_3, 1);
 lean_inc(x_12);
 lean_dec(x_3);
-x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1), 2, 1);
+x_13 = lean_alloc_closure((void*)(l_Lean_setMCtx___rarg___lambda__1___boxed), 2, 1);
 lean_closure_set(x_13, 0, x_11);
 x_14 = lean_apply_1(x_12, x_13);
 x_15 = lean_box(x_9);
-x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__1___boxed), 3, 2);
+x_16 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2___boxed), 3, 2);
 lean_closure_set(x_16, 0, x_4);
 lean_closure_set(x_16, 1, x_15);
 x_17 = lean_apply_4(x_5, lean_box(0), lean_box(0), x_14, x_16);
@@ -50561,7 +48771,7 @@ lean_inc(x_6);
 x_7 = lean_ctor_get(x_2, 0);
 lean_inc(x_7);
 lean_inc(x_6);
-x_8 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2), 7, 6);
+x_8 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__3), 7, 6);
 lean_closure_set(x_8, 0, x_3);
 lean_closure_set(x_8, 1, x_2);
 lean_closure_set(x_8, 2, x_1);
@@ -50594,7 +48804,7 @@ lean_inc(x_7);
 x_8 = lean_ctor_get(x_2, 0);
 lean_inc(x_8);
 lean_inc(x_7);
-x_9 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__2), 7, 6);
+x_9 = lean_alloc_closure((void*)(l_Lean_findExprDependsOn___rarg___lambda__3), 7, 6);
 lean_closure_set(x_9, 0, x_6);
 lean_closure_set(x_9, 1, x_2);
 lean_closure_set(x_9, 2, x_1);
@@ -50645,23 +48855,21 @@ return x_2;
 static lean_object* _init_l_Lean_MetavarContext_instInhabitedMetavarContext___closed__1() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_MetavarContext_lDepth___default___closed__1;
 x_3 = l_Lean_MetavarContext_decls___default___closed__1;
 x_4 = l_Lean_MetavarContext_userNames___default___closed__1;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_MetavarContext_instInhabitedMetavarContext() {
@@ -51263,7 +49471,7 @@ return x_1;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
 x_20 = lean_ctor_get(x_1, 0);
 x_21 = lean_ctor_get(x_1, 1);
 x_22 = lean_ctor_get(x_1, 2);
@@ -51272,7 +49480,6 @@ x_24 = lean_ctor_get(x_1, 4);
 x_25 = lean_ctor_get(x_1, 5);
 x_26 = lean_ctor_get(x_1, 6);
 x_27 = lean_ctor_get(x_1, 7);
-x_28 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
@@ -51282,54 +49489,52 @@ lean_inc(x_22);
 lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
-x_29 = lean_unsigned_to_nat(1u);
-x_30 = lean_nat_add(x_21, x_29);
+x_28 = lean_unsigned_to_nat(1u);
+x_29 = lean_nat_add(x_21, x_28);
 lean_inc(x_20);
 lean_inc(x_3);
-x_31 = lean_alloc_ctor(0, 7, 1);
-lean_ctor_set(x_31, 0, x_3);
-lean_ctor_set(x_31, 1, x_4);
-lean_ctor_set(x_31, 2, x_6);
-lean_ctor_set(x_31, 3, x_20);
-lean_ctor_set(x_31, 4, x_5);
-lean_ctor_set(x_31, 5, x_8);
-lean_ctor_set(x_31, 6, x_21);
-lean_ctor_set_uint8(x_31, sizeof(void*)*7, x_7);
+x_30 = lean_alloc_ctor(0, 7, 1);
+lean_ctor_set(x_30, 0, x_3);
+lean_ctor_set(x_30, 1, x_4);
+lean_ctor_set(x_30, 2, x_6);
+lean_ctor_set(x_30, 3, x_20);
+lean_ctor_set(x_30, 4, x_5);
+lean_ctor_set(x_30, 5, x_8);
+lean_ctor_set(x_30, 6, x_21);
+lean_ctor_set_uint8(x_30, sizeof(void*)*7, x_7);
 lean_inc(x_2);
-x_32 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_31);
-x_33 = l_Lean_Name_isAnonymous(x_3);
-if (x_33 == 0)
+x_31 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_30);
+x_32 = l_Lean_Name_isAnonymous(x_3);
+if (x_32 == 0)
 {
-lean_object* x_34; lean_object* x_35; 
-x_34 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl___spec__1(x_24, x_3, x_2);
-x_35 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_35, 0, x_20);
-lean_ctor_set(x_35, 1, x_30);
-lean_ctor_set(x_35, 2, x_22);
-lean_ctor_set(x_35, 3, x_32);
-lean_ctor_set(x_35, 4, x_34);
-lean_ctor_set(x_35, 5, x_25);
-lean_ctor_set(x_35, 6, x_26);
-lean_ctor_set(x_35, 7, x_27);
-lean_ctor_set_uint8(x_35, sizeof(void*)*8, x_28);
-return x_35;
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl___spec__1(x_24, x_3, x_2);
+x_34 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_34, 0, x_20);
+lean_ctor_set(x_34, 1, x_29);
+lean_ctor_set(x_34, 2, x_22);
+lean_ctor_set(x_34, 3, x_31);
+lean_ctor_set(x_34, 4, x_33);
+lean_ctor_set(x_34, 5, x_25);
+lean_ctor_set(x_34, 6, x_26);
+lean_ctor_set(x_34, 7, x_27);
+return x_34;
 }
 else
 {
-lean_object* x_36; 
+lean_object* x_35; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_36 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_36, 0, x_20);
-lean_ctor_set(x_36, 1, x_30);
-lean_ctor_set(x_36, 2, x_22);
-lean_ctor_set(x_36, 3, x_32);
-lean_ctor_set(x_36, 4, x_24);
-lean_ctor_set(x_36, 5, x_25);
-lean_ctor_set(x_36, 6, x_26);
-lean_ctor_set(x_36, 7, x_27);
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_28);
-return x_36;
+x_35 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_35, 0, x_20);
+lean_ctor_set(x_35, 1, x_29);
+lean_ctor_set(x_35, 2, x_22);
+lean_ctor_set(x_35, 3, x_31);
+lean_ctor_set(x_35, 4, x_24);
+lean_ctor_set(x_35, 5, x_25);
+lean_ctor_set(x_35, 6, x_26);
+lean_ctor_set(x_35, 7, x_27);
+return x_35;
 }
 }
 }
@@ -51938,7 +50143,7 @@ return x_1;
 }
 else
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 x_7 = lean_ctor_get(x_1, 0);
 x_8 = lean_ctor_get(x_1, 1);
 x_9 = lean_ctor_get(x_1, 2);
@@ -51947,7 +50152,6 @@ x_11 = lean_ctor_get(x_1, 4);
 x_12 = lean_ctor_get(x_1, 5);
 x_13 = lean_ctor_get(x_1, 6);
 x_14 = lean_ctor_get(x_1, 7);
-x_15 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
@@ -51958,18 +50162,17 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_dec(x_1);
 lean_inc(x_7);
-x_16 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addLevelMVarDecl___spec__1(x_9, x_2, x_7);
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_7);
-lean_ctor_set(x_17, 1, x_8);
-lean_ctor_set(x_17, 2, x_16);
-lean_ctor_set(x_17, 3, x_10);
-lean_ctor_set(x_17, 4, x_11);
-lean_ctor_set(x_17, 5, x_12);
-lean_ctor_set(x_17, 6, x_13);
-lean_ctor_set(x_17, 7, x_14);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_15);
-return x_17;
+x_15 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addLevelMVarDecl___spec__1(x_9, x_2, x_7);
+x_16 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_16, 0, x_7);
+lean_ctor_set(x_16, 1, x_8);
+lean_ctor_set(x_16, 2, x_15);
+lean_ctor_set(x_16, 3, x_10);
+lean_ctor_set(x_16, 4, x_11);
+lean_ctor_set(x_16, 5, x_12);
+lean_ctor_set(x_16, 6, x_13);
+lean_ctor_set(x_16, 7, x_14);
+return x_16;
 }
 }
 }
@@ -52231,7 +50434,7 @@ return x_1;
 }
 else
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
 x_19 = lean_ctor_get(x_1, 0);
 x_20 = lean_ctor_get(x_1, 1);
 x_21 = lean_ctor_get(x_1, 2);
@@ -52240,7 +50443,6 @@ x_23 = lean_ctor_get(x_1, 4);
 x_24 = lean_ctor_get(x_1, 5);
 x_25 = lean_ctor_get(x_1, 6);
 x_26 = lean_ctor_get(x_1, 7);
-x_27 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_26);
 lean_inc(x_25);
 lean_inc(x_24);
@@ -52250,20 +50452,20 @@ lean_inc(x_21);
 lean_inc(x_20);
 lean_inc(x_19);
 lean_dec(x_1);
-x_28 = lean_ctor_get(x_4, 0);
+x_27 = lean_ctor_get(x_4, 0);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_4, 1);
 lean_inc(x_28);
-x_29 = lean_ctor_get(x_4, 1);
+x_29 = lean_ctor_get(x_4, 2);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_4, 2);
+x_30 = lean_ctor_get(x_4, 3);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_4, 3);
+x_31 = lean_ctor_get(x_4, 4);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_4, 4);
+x_32 = lean_ctor_get(x_4, 5);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_4, 5);
+x_33 = lean_ctor_get(x_4, 6);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_4, 6);
-lean_inc(x_34);
 if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 0);
  lean_ctor_release(x_4, 1);
@@ -52272,36 +50474,35 @@ if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 4);
  lean_ctor_release(x_4, 5);
  lean_ctor_release(x_4, 6);
- x_35 = x_4;
+ x_34 = x_4;
 } else {
  lean_dec_ref(x_4);
- x_35 = lean_box(0);
+ x_34 = lean_box(0);
 }
-if (lean_is_scalar(x_35)) {
- x_36 = lean_alloc_ctor(0, 7, 1);
+if (lean_is_scalar(x_34)) {
+ x_35 = lean_alloc_ctor(0, 7, 1);
 } else {
- x_36 = x_35;
+ x_35 = x_34;
 }
-lean_ctor_set(x_36, 0, x_28);
-lean_ctor_set(x_36, 1, x_29);
-lean_ctor_set(x_36, 2, x_30);
-lean_ctor_set(x_36, 3, x_31);
-lean_ctor_set(x_36, 4, x_32);
-lean_ctor_set(x_36, 5, x_33);
-lean_ctor_set(x_36, 6, x_34);
-lean_ctor_set_uint8(x_36, sizeof(void*)*7, x_3);
-x_37 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_22, x_2, x_36);
-x_38 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_38, 0, x_19);
-lean_ctor_set(x_38, 1, x_20);
-lean_ctor_set(x_38, 2, x_21);
-lean_ctor_set(x_38, 3, x_37);
-lean_ctor_set(x_38, 4, x_23);
-lean_ctor_set(x_38, 5, x_24);
-lean_ctor_set(x_38, 6, x_25);
-lean_ctor_set(x_38, 7, x_26);
-lean_ctor_set_uint8(x_38, sizeof(void*)*8, x_27);
-return x_38;
+lean_ctor_set(x_35, 0, x_27);
+lean_ctor_set(x_35, 1, x_28);
+lean_ctor_set(x_35, 2, x_29);
+lean_ctor_set(x_35, 3, x_30);
+lean_ctor_set(x_35, 4, x_31);
+lean_ctor_set(x_35, 5, x_32);
+lean_ctor_set(x_35, 6, x_33);
+lean_ctor_set_uint8(x_35, sizeof(void*)*7, x_3);
+x_36 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_22, x_2, x_35);
+x_37 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_37, 0, x_19);
+lean_ctor_set(x_37, 1, x_20);
+lean_ctor_set(x_37, 2, x_21);
+lean_ctor_set(x_37, 3, x_36);
+lean_ctor_set(x_37, 4, x_23);
+lean_ctor_set(x_37, 5, x_24);
+lean_ctor_set(x_37, 6, x_25);
+lean_ctor_set(x_37, 7, x_26);
+return x_37;
 }
 }
 }
@@ -53081,7 +51282,7 @@ return x_1;
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
 x_29 = lean_ctor_get(x_1, 0);
 x_30 = lean_ctor_get(x_1, 1);
 x_31 = lean_ctor_get(x_1, 2);
@@ -53090,7 +51291,6 @@ x_33 = lean_ctor_get(x_1, 4);
 x_34 = lean_ctor_get(x_1, 5);
 x_35 = lean_ctor_get(x_1, 6);
 x_36 = lean_ctor_get(x_1, 7);
-x_37 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_36);
 lean_inc(x_35);
 lean_inc(x_34);
@@ -53100,21 +51300,21 @@ lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_dec(x_1);
-x_38 = lean_ctor_get(x_4, 0);
+x_37 = lean_ctor_get(x_4, 0);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_4, 1);
 lean_inc(x_38);
-x_39 = lean_ctor_get(x_4, 1);
+x_39 = lean_ctor_get(x_4, 2);
 lean_inc(x_39);
-x_40 = lean_ctor_get(x_4, 2);
+x_40 = lean_ctor_get(x_4, 3);
 lean_inc(x_40);
-x_41 = lean_ctor_get(x_4, 3);
+x_41 = lean_ctor_get(x_4, 4);
 lean_inc(x_41);
-x_42 = lean_ctor_get(x_4, 4);
-lean_inc(x_42);
-x_43 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
-x_44 = lean_ctor_get(x_4, 5);
+x_42 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
+x_43 = lean_ctor_get(x_4, 5);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_4, 6);
 lean_inc(x_44);
-x_45 = lean_ctor_get(x_4, 6);
-lean_inc(x_45);
 if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 0);
  lean_ctor_release(x_4, 1);
@@ -53123,62 +51323,60 @@ if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 4);
  lean_ctor_release(x_4, 5);
  lean_ctor_release(x_4, 6);
- x_46 = x_4;
+ x_45 = x_4;
 } else {
  lean_dec_ref(x_4);
- x_46 = lean_box(0);
+ x_45 = lean_box(0);
 }
 lean_inc(x_3);
-if (lean_is_scalar(x_46)) {
- x_47 = lean_alloc_ctor(0, 7, 1);
+if (lean_is_scalar(x_45)) {
+ x_46 = lean_alloc_ctor(0, 7, 1);
 } else {
- x_47 = x_46;
+ x_46 = x_45;
 }
-lean_ctor_set(x_47, 0, x_3);
-lean_ctor_set(x_47, 1, x_39);
-lean_ctor_set(x_47, 2, x_40);
-lean_ctor_set(x_47, 3, x_41);
-lean_ctor_set(x_47, 4, x_42);
-lean_ctor_set(x_47, 5, x_44);
-lean_ctor_set(x_47, 6, x_45);
-lean_ctor_set_uint8(x_47, sizeof(void*)*7, x_43);
+lean_ctor_set(x_46, 0, x_3);
+lean_ctor_set(x_46, 1, x_38);
+lean_ctor_set(x_46, 2, x_39);
+lean_ctor_set(x_46, 3, x_40);
+lean_ctor_set(x_46, 4, x_41);
+lean_ctor_set(x_46, 5, x_43);
+lean_ctor_set(x_46, 6, x_44);
+lean_ctor_set_uint8(x_46, sizeof(void*)*7, x_42);
 lean_inc(x_2);
-x_48 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_32, x_2, x_47);
-x_49 = l_Std_PersistentHashMap_erase___at_Lean_MetavarContext_setMVarUserName___spec__1(x_33, x_38);
-lean_dec(x_38);
-x_50 = l_Lean_Name_isAnonymous(x_3);
-if (x_50 == 0)
+x_47 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_32, x_2, x_46);
+x_48 = l_Std_PersistentHashMap_erase___at_Lean_MetavarContext_setMVarUserName___spec__1(x_33, x_37);
+lean_dec(x_37);
+x_49 = l_Lean_Name_isAnonymous(x_3);
+if (x_49 == 0)
 {
-lean_object* x_51; lean_object* x_52; 
-x_51 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl___spec__1(x_49, x_3, x_2);
-x_52 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_52, 0, x_29);
-lean_ctor_set(x_52, 1, x_30);
-lean_ctor_set(x_52, 2, x_31);
-lean_ctor_set(x_52, 3, x_48);
-lean_ctor_set(x_52, 4, x_51);
-lean_ctor_set(x_52, 5, x_34);
-lean_ctor_set(x_52, 6, x_35);
-lean_ctor_set(x_52, 7, x_36);
-lean_ctor_set_uint8(x_52, sizeof(void*)*8, x_37);
-return x_52;
+lean_object* x_50; lean_object* x_51; 
+x_50 = l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl___spec__1(x_48, x_3, x_2);
+x_51 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_51, 0, x_29);
+lean_ctor_set(x_51, 1, x_30);
+lean_ctor_set(x_51, 2, x_31);
+lean_ctor_set(x_51, 3, x_47);
+lean_ctor_set(x_51, 4, x_50);
+lean_ctor_set(x_51, 5, x_34);
+lean_ctor_set(x_51, 6, x_35);
+lean_ctor_set(x_51, 7, x_36);
+return x_51;
 }
 else
 {
-lean_object* x_53; 
+lean_object* x_52; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_53 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_53, 0, x_29);
-lean_ctor_set(x_53, 1, x_30);
-lean_ctor_set(x_53, 2, x_31);
-lean_ctor_set(x_53, 3, x_48);
-lean_ctor_set(x_53, 4, x_49);
-lean_ctor_set(x_53, 5, x_34);
-lean_ctor_set(x_53, 6, x_35);
-lean_ctor_set(x_53, 7, x_36);
-lean_ctor_set_uint8(x_53, sizeof(void*)*8, x_37);
-return x_53;
+x_52 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_52, 0, x_29);
+lean_ctor_set(x_52, 1, x_30);
+lean_ctor_set(x_52, 2, x_31);
+lean_ctor_set(x_52, 3, x_47);
+lean_ctor_set(x_52, 4, x_48);
+lean_ctor_set(x_52, 5, x_34);
+lean_ctor_set(x_52, 6, x_35);
+lean_ctor_set(x_52, 7, x_36);
+return x_52;
 }
 }
 }
@@ -53270,7 +51468,7 @@ return x_1;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
 x_20 = lean_ctor_get(x_1, 0);
 x_21 = lean_ctor_get(x_1, 1);
 x_22 = lean_ctor_get(x_1, 2);
@@ -53279,7 +51477,6 @@ x_24 = lean_ctor_get(x_1, 4);
 x_25 = lean_ctor_get(x_1, 5);
 x_26 = lean_ctor_get(x_1, 6);
 x_27 = lean_ctor_get(x_1, 7);
-x_28 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
@@ -53289,19 +51486,19 @@ lean_inc(x_22);
 lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
-x_29 = lean_ctor_get(x_4, 1);
+x_28 = lean_ctor_get(x_4, 1);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_4, 2);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_4, 2);
+x_30 = lean_ctor_get(x_4, 3);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_4, 3);
+x_31 = lean_ctor_get(x_4, 4);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_4, 4);
-lean_inc(x_32);
-x_33 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
-x_34 = lean_ctor_get(x_4, 5);
+x_32 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
+x_33 = lean_ctor_get(x_4, 5);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_4, 6);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_4, 6);
-lean_inc(x_35);
 if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 0);
  lean_ctor_release(x_4, 1);
@@ -53310,36 +51507,35 @@ if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 4);
  lean_ctor_release(x_4, 5);
  lean_ctor_release(x_4, 6);
- x_36 = x_4;
+ x_35 = x_4;
 } else {
  lean_dec_ref(x_4);
- x_36 = lean_box(0);
+ x_35 = lean_box(0);
 }
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(0, 7, 1);
+if (lean_is_scalar(x_35)) {
+ x_36 = lean_alloc_ctor(0, 7, 1);
 } else {
- x_37 = x_36;
+ x_36 = x_35;
 }
-lean_ctor_set(x_37, 0, x_3);
-lean_ctor_set(x_37, 1, x_29);
-lean_ctor_set(x_37, 2, x_30);
-lean_ctor_set(x_37, 3, x_31);
-lean_ctor_set(x_37, 4, x_32);
-lean_ctor_set(x_37, 5, x_34);
-lean_ctor_set(x_37, 6, x_35);
-lean_ctor_set_uint8(x_37, sizeof(void*)*7, x_33);
-x_38 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_37);
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_20);
-lean_ctor_set(x_39, 1, x_21);
-lean_ctor_set(x_39, 2, x_22);
-lean_ctor_set(x_39, 3, x_38);
-lean_ctor_set(x_39, 4, x_24);
-lean_ctor_set(x_39, 5, x_25);
-lean_ctor_set(x_39, 6, x_26);
-lean_ctor_set(x_39, 7, x_27);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_28);
-return x_39;
+lean_ctor_set(x_36, 0, x_3);
+lean_ctor_set(x_36, 1, x_28);
+lean_ctor_set(x_36, 2, x_29);
+lean_ctor_set(x_36, 3, x_30);
+lean_ctor_set(x_36, 4, x_31);
+lean_ctor_set(x_36, 5, x_33);
+lean_ctor_set(x_36, 6, x_34);
+lean_ctor_set_uint8(x_36, sizeof(void*)*7, x_32);
+x_37 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_36);
+x_38 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_38, 0, x_20);
+lean_ctor_set(x_38, 1, x_21);
+lean_ctor_set(x_38, 2, x_22);
+lean_ctor_set(x_38, 3, x_37);
+lean_ctor_set(x_38, 4, x_24);
+lean_ctor_set(x_38, 5, x_25);
+lean_ctor_set(x_38, 6, x_26);
+lean_ctor_set(x_38, 7, x_27);
+return x_38;
 }
 }
 }
@@ -53400,7 +51596,7 @@ return x_1;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
 x_20 = lean_ctor_get(x_1, 0);
 x_21 = lean_ctor_get(x_1, 1);
 x_22 = lean_ctor_get(x_1, 2);
@@ -53409,7 +51605,6 @@ x_24 = lean_ctor_get(x_1, 4);
 x_25 = lean_ctor_get(x_1, 5);
 x_26 = lean_ctor_get(x_1, 6);
 x_27 = lean_ctor_get(x_1, 7);
-x_28 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
@@ -53419,19 +51614,19 @@ lean_inc(x_22);
 lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_1);
-x_29 = lean_ctor_get(x_4, 0);
+x_28 = lean_ctor_get(x_4, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_4, 1);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_4, 1);
+x_30 = lean_ctor_get(x_4, 3);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_4, 3);
+x_31 = lean_ctor_get(x_4, 4);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_4, 4);
-lean_inc(x_32);
-x_33 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
-x_34 = lean_ctor_get(x_4, 5);
+x_32 = lean_ctor_get_uint8(x_4, sizeof(void*)*7);
+x_33 = lean_ctor_get(x_4, 5);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_4, 6);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_4, 6);
-lean_inc(x_35);
 if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 0);
  lean_ctor_release(x_4, 1);
@@ -53440,36 +51635,35 @@ if (lean_is_exclusive(x_4)) {
  lean_ctor_release(x_4, 4);
  lean_ctor_release(x_4, 5);
  lean_ctor_release(x_4, 6);
- x_36 = x_4;
+ x_35 = x_4;
 } else {
  lean_dec_ref(x_4);
- x_36 = lean_box(0);
+ x_35 = lean_box(0);
 }
-if (lean_is_scalar(x_36)) {
- x_37 = lean_alloc_ctor(0, 7, 1);
+if (lean_is_scalar(x_35)) {
+ x_36 = lean_alloc_ctor(0, 7, 1);
 } else {
- x_37 = x_36;
+ x_36 = x_35;
 }
-lean_ctor_set(x_37, 0, x_29);
-lean_ctor_set(x_37, 1, x_30);
-lean_ctor_set(x_37, 2, x_3);
-lean_ctor_set(x_37, 3, x_31);
-lean_ctor_set(x_37, 4, x_32);
-lean_ctor_set(x_37, 5, x_34);
-lean_ctor_set(x_37, 6, x_35);
-lean_ctor_set_uint8(x_37, sizeof(void*)*7, x_33);
-x_38 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_37);
-x_39 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_39, 0, x_20);
-lean_ctor_set(x_39, 1, x_21);
-lean_ctor_set(x_39, 2, x_22);
-lean_ctor_set(x_39, 3, x_38);
-lean_ctor_set(x_39, 4, x_24);
-lean_ctor_set(x_39, 5, x_25);
-lean_ctor_set(x_39, 6, x_26);
-lean_ctor_set(x_39, 7, x_27);
-lean_ctor_set_uint8(x_39, sizeof(void*)*8, x_28);
-return x_39;
+lean_ctor_set(x_36, 0, x_28);
+lean_ctor_set(x_36, 1, x_29);
+lean_ctor_set(x_36, 2, x_3);
+lean_ctor_set(x_36, 3, x_30);
+lean_ctor_set(x_36, 4, x_31);
+lean_ctor_set(x_36, 5, x_33);
+lean_ctor_set(x_36, 6, x_34);
+lean_ctor_set_uint8(x_36, sizeof(void*)*7, x_32);
+x_37 = l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(x_23, x_2, x_36);
+x_38 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_38, 0, x_20);
+lean_ctor_set(x_38, 1, x_21);
+lean_ctor_set(x_38, 2, x_22);
+lean_ctor_set(x_38, 3, x_37);
+lean_ctor_set(x_38, 4, x_24);
+lean_ctor_set(x_38, 5, x_25);
+lean_ctor_set(x_38, 6, x_26);
+lean_ctor_set(x_38, 7, x_27);
+return x_38;
 }
 }
 }
@@ -53498,7 +51692,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_MetavarContext_getLevelDepth___closed__1;
-x_3 = lean_unsigned_to_nat(807u);
+x_3 = lean_unsigned_to_nat(789u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_MetavarContext_getDecl___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -53579,7 +51773,7 @@ return x_1;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 x_6 = lean_ctor_get(x_1, 0);
 x_7 = lean_ctor_get(x_1, 1);
 x_8 = lean_ctor_get(x_1, 2);
@@ -53588,7 +51782,6 @@ x_10 = lean_ctor_get(x_1, 4);
 x_11 = lean_ctor_get(x_1, 5);
 x_12 = lean_ctor_get(x_1, 6);
 x_13 = lean_ctor_get(x_1, 7);
-x_14 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
@@ -53598,20 +51791,19 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_dec(x_1);
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_add(x_6, x_15);
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_add(x_6, x_14);
 lean_dec(x_6);
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_7);
-lean_ctor_set(x_17, 2, x_8);
-lean_ctor_set(x_17, 3, x_9);
-lean_ctor_set(x_17, 4, x_10);
-lean_ctor_set(x_17, 5, x_11);
-lean_ctor_set(x_17, 6, x_12);
-lean_ctor_set(x_17, 7, x_13);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_14);
-return x_17;
+x_16 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_7);
+lean_ctor_set(x_16, 2, x_8);
+lean_ctor_set(x_16, 3, x_9);
+lean_ctor_set(x_16, 4, x_10);
+lean_ctor_set(x_16, 5, x_11);
+lean_ctor_set(x_16, 6, x_12);
+lean_ctor_set(x_16, 7, x_13);
+return x_16;
 }
 }
 }
@@ -55271,7 +53463,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -56108,7 +54300,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -56945,7 +55137,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -57782,7 +55974,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -58619,7 +56811,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -59456,7 +57648,7 @@ else
 {
 lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; uint8_t x_50; 
 lean_inc(x_2);
-x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_46 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -59910,55 +58102,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -59972,200 +58164,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -60176,302 +58186,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -60480,12 +58570,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -60658,55 +58748,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -60720,200 +58810,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -60924,302 +58832,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -61228,12 +59216,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -61435,55 +59423,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -61497,200 +59485,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -61701,302 +59507,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -62005,12 +59891,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -62043,55 +59929,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -62105,200 +59991,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -62309,302 +60013,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -62613,12 +60397,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -62687,55 +60471,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -62749,200 +60533,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -62953,302 +60555,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -63257,12 +60939,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -63399,55 +61081,55 @@ goto _start;
 }
 else
 {
-lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_92; uint8_t x_139; 
+lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_36; uint8_t x_114; 
 x_21 = lean_ctor_get(x_17, 0);
 lean_inc(x_21);
 lean_dec(x_17);
 lean_inc(x_3);
-x_139 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
-if (x_139 == 0)
+x_114 = l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(x_7, x_21, x_3, x_3);
+if (x_114 == 0)
 {
-lean_object* x_140; uint8_t x_141; 
-x_140 = lean_unsigned_to_nat(0u);
-x_141 = lean_nat_dec_lt(x_140, x_2);
-if (x_141 == 0)
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_unsigned_to_nat(0u);
+x_116 = lean_nat_dec_lt(x_115, x_2);
+if (x_116 == 0)
 {
-lean_object* x_142; 
-x_142 = lean_box(0);
-x_92 = x_142;
-goto block_138;
+lean_object* x_117; 
+x_117 = lean_box(0);
+x_36 = x_117;
+goto block_113;
 }
 else
 {
-uint8_t x_143; 
-x_143 = lean_nat_dec_le(x_2, x_2);
-if (x_143 == 0)
+uint8_t x_118; 
+x_118 = lean_nat_dec_le(x_2, x_2);
+if (x_118 == 0)
 {
-lean_object* x_144; 
-x_144 = lean_box(0);
-x_92 = x_144;
-goto block_138;
+lean_object* x_119; 
+x_119 = lean_box(0);
+x_36 = x_119;
+goto block_113;
 }
 else
 {
-size_t x_145; size_t x_146; uint8_t x_147; 
-x_145 = 0;
-x_146 = lean_usize_of_nat(x_2);
-x_147 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_145, x_146);
-if (x_147 == 0)
+size_t x_120; size_t x_121; uint8_t x_122; 
+x_120 = 0;
+x_121 = lean_usize_of_nat(x_2);
+x_122 = l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__51(x_21, x_1, x_120, x_121);
+if (x_122 == 0)
 {
-lean_object* x_148; 
-x_148 = lean_box(0);
-x_92 = x_148;
-goto block_138;
+lean_object* x_123; 
+x_123 = lean_box(0);
+x_36 = x_123;
+goto block_113;
 }
 else
 {
-lean_object* x_149; lean_object* x_150; 
-x_149 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_124; lean_object* x_125; 
+x_124 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_150 = lean_array_push(x_7, x_149);
-x_10 = x_150;
+x_125 = lean_array_push(x_7, x_124);
+x_10 = x_125;
 x_11 = x_9;
 goto block_15;
 }
@@ -63461,200 +61143,18 @@ x_10 = x_7;
 x_11 = x_9;
 goto block_15;
 }
-block_91:
+block_35:
 {
 lean_object* x_24; uint8_t x_25; 
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = lean_ctor_get_uint8(x_24, sizeof(void*)*8);
+x_25 = !lean_is_exclusive(x_9);
 if (x_25 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+lean_object* x_26; 
 x_26 = lean_ctor_get(x_9, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_24, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_24, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_24, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_24, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_24, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_24, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_24, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_24, 7);
-lean_inc(x_34);
-lean_dec(x_24);
-x_35 = !lean_is_exclusive(x_9);
-if (x_35 == 0)
-{
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_9, 0);
-lean_dec(x_36);
-x_37 = !lean_is_exclusive(x_26);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_38 = lean_ctor_get(x_26, 7);
-lean_dec(x_38);
-x_39 = lean_ctor_get(x_26, 6);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 5);
-lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 4);
-lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 3);
-lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 2);
-lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 1);
-lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 0);
-lean_dec(x_45);
-lean_ctor_set(x_26, 7, x_34);
-lean_ctor_set(x_26, 6, x_33);
-lean_ctor_set(x_26, 5, x_32);
-lean_ctor_set(x_26, 4, x_31);
-lean_ctor_set(x_26, 3, x_30);
-lean_ctor_set(x_26, 2, x_29);
-lean_ctor_set(x_26, 1, x_28);
-lean_ctor_set(x_26, 0, x_27);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; 
-x_46 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_47 = lean_array_push(x_7, x_46);
-x_10 = x_47;
-x_11 = x_9;
-goto block_15;
-}
-}
-else
-{
-uint8_t x_48; lean_object* x_49; 
-x_48 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
 lean_dec(x_26);
-x_49 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_49, 0, x_27);
-lean_ctor_set(x_49, 1, x_28);
-lean_ctor_set(x_49, 2, x_29);
-lean_ctor_set(x_49, 3, x_30);
-lean_ctor_set(x_49, 4, x_31);
-lean_ctor_set(x_49, 5, x_32);
-lean_ctor_set(x_49, 6, x_33);
-lean_ctor_set(x_49, 7, x_34);
-lean_ctor_set_uint8(x_49, sizeof(void*)*8, x_48);
-lean_ctor_set(x_9, 0, x_49);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_9;
-goto block_15;
-}
-else
-{
-lean_object* x_50; lean_object* x_51; 
-x_50 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_51 = lean_array_push(x_7, x_50);
-x_10 = x_51;
-x_11 = x_9;
-goto block_15;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_52 = lean_ctor_get(x_9, 1);
-x_53 = lean_ctor_get(x_9, 2);
-x_54 = lean_ctor_get(x_9, 3);
-lean_inc(x_54);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_9);
-x_55 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_56 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_56 = lean_box(0);
-}
-if (lean_is_scalar(x_56)) {
- x_57 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_57 = x_56;
-}
-lean_ctor_set(x_57, 0, x_27);
-lean_ctor_set(x_57, 1, x_28);
-lean_ctor_set(x_57, 2, x_29);
-lean_ctor_set(x_57, 3, x_30);
-lean_ctor_set(x_57, 4, x_31);
-lean_ctor_set(x_57, 5, x_32);
-lean_ctor_set(x_57, 6, x_33);
-lean_ctor_set(x_57, 7, x_34);
-lean_ctor_set_uint8(x_57, sizeof(void*)*8, x_55);
-x_58 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_52);
-lean_ctor_set(x_58, 2, x_53);
-lean_ctor_set(x_58, 3, x_54);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_58;
-goto block_15;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; 
-x_59 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_60 = lean_array_push(x_7, x_59);
-x_10 = x_60;
-x_11 = x_58;
-goto block_15;
-}
-}
-}
-else
-{
-uint8_t x_61; 
-x_61 = !lean_is_exclusive(x_24);
-if (x_61 == 0)
-{
-uint8_t x_62; 
-x_62 = !lean_is_exclusive(x_9);
-if (x_62 == 0)
-{
-lean_object* x_63; uint8_t x_64; 
-x_63 = lean_ctor_get(x_9, 0);
-lean_dec(x_63);
-x_64 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_64);
 lean_ctor_set(x_9, 0, x_24);
 if (x_22 == 0)
 {
@@ -63665,302 +61165,382 @@ goto block_15;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-x_65 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_27; lean_object* x_28; 
+x_27 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_66 = lean_array_push(x_7, x_65);
-x_10 = x_66;
+x_28 = lean_array_push(x_7, x_27);
+x_10 = x_28;
 x_11 = x_9;
 goto block_15;
 }
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; 
-x_67 = lean_ctor_get(x_9, 1);
-x_68 = lean_ctor_get(x_9, 2);
-x_69 = lean_ctor_get(x_9, 3);
-lean_inc(x_69);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_9, 1);
+x_30 = lean_ctor_get(x_9, 2);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_9);
-x_70 = 1;
-lean_ctor_set_uint8(x_24, sizeof(void*)*8, x_70);
-x_71 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_71, 0, x_24);
-lean_ctor_set(x_71, 1, x_67);
-lean_ctor_set(x_71, 2, x_68);
-lean_ctor_set(x_71, 3, x_69);
+x_32 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_32, 0, x_24);
+lean_ctor_set(x_32, 1, x_29);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
 if (x_22 == 0)
 {
 lean_dec(x_21);
 x_10 = x_7;
-x_11 = x_71;
+x_11 = x_32;
 goto block_15;
 }
 else
 {
-lean_object* x_72; lean_object* x_73; 
-x_72 = l_Lean_LocalDecl_toExpr(x_21);
+lean_object* x_33; lean_object* x_34; 
+x_33 = l_Lean_LocalDecl_toExpr(x_21);
 lean_dec(x_21);
-x_73 = lean_array_push(x_7, x_72);
-x_10 = x_73;
-x_11 = x_71;
+x_34 = lean_array_push(x_7, x_33);
+x_10 = x_34;
+x_11 = x_32;
 goto block_15;
 }
 }
 }
-else
+block_113:
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-x_74 = lean_ctor_get(x_24, 0);
-x_75 = lean_ctor_get(x_24, 1);
-x_76 = lean_ctor_get(x_24, 2);
-x_77 = lean_ctor_get(x_24, 3);
-x_78 = lean_ctor_get(x_24, 4);
-x_79 = lean_ctor_get(x_24, 5);
-x_80 = lean_ctor_get(x_24, 6);
-x_81 = lean_ctor_get(x_24, 7);
-lean_inc(x_81);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_inc(x_76);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_24);
-x_82 = lean_ctor_get(x_9, 1);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_9, 2);
-lean_inc(x_83);
-x_84 = lean_ctor_get(x_9, 3);
-lean_inc(x_84);
-if (lean_is_exclusive(x_9)) {
- lean_ctor_release(x_9, 0);
- lean_ctor_release(x_9, 1);
- lean_ctor_release(x_9, 2);
- lean_ctor_release(x_9, 3);
- x_85 = x_9;
-} else {
- lean_dec_ref(x_9);
- x_85 = lean_box(0);
-}
-x_86 = 1;
-x_87 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_87, 0, x_74);
-lean_ctor_set(x_87, 1, x_75);
-lean_ctor_set(x_87, 2, x_76);
-lean_ctor_set(x_87, 3, x_77);
-lean_ctor_set(x_87, 4, x_78);
-lean_ctor_set(x_87, 5, x_79);
-lean_ctor_set(x_87, 6, x_80);
-lean_ctor_set(x_87, 7, x_81);
-lean_ctor_set_uint8(x_87, sizeof(void*)*8, x_86);
-if (lean_is_scalar(x_85)) {
- x_88 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_88 = x_85;
-}
-lean_ctor_set(x_88, 0, x_87);
-lean_ctor_set(x_88, 1, x_82);
-lean_ctor_set(x_88, 2, x_83);
-lean_ctor_set(x_88, 3, x_84);
-if (x_22 == 0)
-{
-lean_dec(x_21);
-x_10 = x_7;
-x_11 = x_88;
-goto block_15;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; 
-x_89 = l_Lean_LocalDecl_toExpr(x_21);
-lean_dec(x_21);
-x_90 = lean_array_push(x_7, x_89);
-x_10 = x_90;
-x_11 = x_88;
-goto block_15;
-}
-}
-}
-}
-block_138:
-{
-lean_dec(x_92);
+lean_dec(x_36);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
-x_93 = lean_ctor_get(x_21, 3);
-lean_inc(x_93);
-x_94 = lean_ctor_get(x_9, 0);
-lean_inc(x_94);
-x_95 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_96 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_96, 0, x_95);
-lean_ctor_set(x_96, 1, x_94);
-x_97 = l_Lean_Expr_hasFVar(x_93);
-if (x_97 == 0)
+lean_object* x_37; uint8_t x_38; 
+x_37 = lean_ctor_get(x_21, 3);
+lean_inc(x_37);
+x_38 = !lean_is_exclusive(x_9);
+if (x_38 == 0)
 {
-uint8_t x_98; 
-x_98 = l_Lean_Expr_hasMVar(x_93);
-if (x_98 == 0)
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+x_39 = lean_ctor_get(x_9, 0);
+x_40 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_39);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l_Lean_Expr_hasFVar(x_37);
+if (x_42 == 0)
 {
-uint8_t x_99; 
-lean_dec(x_93);
-x_99 = 0;
-x_22 = x_99;
-x_23 = x_96;
-goto block_91;
+uint8_t x_43; 
+x_43 = l_Lean_Expr_hasMVar(x_37);
+if (x_43 == 0)
+{
+lean_dec(x_41);
+lean_dec(x_37);
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
 }
 else
 {
-lean_object* x_100; lean_object* x_101; lean_object* x_102; uint8_t x_103; 
-x_100 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_93, x_96);
-x_101 = lean_ctor_get(x_100, 0);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_100, 1);
-lean_inc(x_102);
-lean_dec(x_100);
-x_103 = lean_unbox(x_101);
-lean_dec(x_101);
-x_22 = x_103;
-x_23 = x_102;
-goto block_91;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_39);
+x_44 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_41);
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 0);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_ctor_get(x_45, 1);
+lean_inc(x_47);
+lean_dec(x_45);
+lean_ctor_set(x_9, 0, x_47);
+x_48 = lean_unbox(x_46);
+lean_dec(x_46);
+if (x_48 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+x_49 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_50 = lean_array_push(x_7, x_49);
+x_10 = x_50;
+x_11 = x_9;
+goto block_15;
+}
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; 
-x_104 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_93, x_96);
-x_105 = lean_ctor_get(x_104, 0);
-lean_inc(x_105);
-x_106 = lean_ctor_get(x_104, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+lean_dec(x_39);
+x_51 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_41);
+x_52 = lean_ctor_get(x_51, 1);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 0);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+lean_ctor_set(x_9, 0, x_54);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+if (x_55 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_9;
+goto block_15;
+}
+else
+{
+lean_object* x_56; lean_object* x_57; 
+x_56 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_57 = lean_array_push(x_7, x_56);
+x_10 = x_57;
+x_11 = x_9;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_58 = lean_ctor_get(x_9, 0);
+x_59 = lean_ctor_get(x_9, 1);
+x_60 = lean_ctor_get(x_9, 2);
+x_61 = lean_ctor_get(x_9, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_9);
+x_62 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_58);
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_58);
+x_64 = l_Lean_Expr_hasFVar(x_37);
+if (x_64 == 0)
+{
+uint8_t x_65; 
+x_65 = l_Lean_Expr_hasMVar(x_37);
+if (x_65 == 0)
+{
+lean_object* x_66; 
+lean_dec(x_63);
+lean_dec(x_37);
+lean_dec(x_21);
+x_66 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_66, 0, x_58);
+lean_ctor_set(x_66, 1, x_59);
+lean_ctor_set(x_66, 2, x_60);
+lean_ctor_set(x_66, 3, x_61);
+x_10 = x_7;
+x_11 = x_66;
+goto block_15;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+lean_dec(x_58);
+x_67 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2(x_7, x_37, x_63);
+x_68 = lean_ctor_get(x_67, 1);
+lean_inc(x_68);
+x_69 = lean_ctor_get(x_67, 0);
+lean_inc(x_69);
+lean_dec(x_67);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_71, 0, x_70);
+lean_ctor_set(x_71, 1, x_59);
+lean_ctor_set(x_71, 2, x_60);
+lean_ctor_set(x_71, 3, x_61);
+x_72 = lean_unbox(x_69);
+lean_dec(x_69);
+if (x_72 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_71;
+goto block_15;
+}
+else
+{
+lean_object* x_73; lean_object* x_74; 
+x_73 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_74 = lean_array_push(x_7, x_73);
+x_10 = x_74;
+x_11 = x_71;
+goto block_15;
+}
+}
+}
+else
+{
+lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; uint8_t x_80; 
+lean_dec(x_58);
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(x_7, x_37, x_63);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 0);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_ctor_get(x_76, 1);
+lean_inc(x_78);
+lean_dec(x_76);
+x_79 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_59);
+lean_ctor_set(x_79, 2, x_60);
+lean_ctor_set(x_79, 3, x_61);
+x_80 = lean_unbox(x_77);
+lean_dec(x_77);
+if (x_80 == 0)
+{
+lean_dec(x_21);
+x_10 = x_7;
+x_11 = x_79;
+goto block_15;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = l_Lean_LocalDecl_toExpr(x_21);
+lean_dec(x_21);
+x_82 = lean_array_push(x_7, x_81);
+x_10 = x_82;
+x_11 = x_79;
+goto block_15;
+}
+}
+}
+}
+else
+{
+lean_object* x_83; lean_object* x_84; uint8_t x_85; lean_object* x_86; lean_object* x_99; lean_object* x_100; lean_object* x_101; uint8_t x_102; 
+x_83 = lean_ctor_get(x_21, 3);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_21, 4);
+lean_inc(x_84);
+x_99 = lean_ctor_get(x_9, 0);
+lean_inc(x_99);
+x_100 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l_Lean_Expr_hasFVar(x_83);
+if (x_102 == 0)
+{
+uint8_t x_103; 
+x_103 = l_Lean_Expr_hasMVar(x_83);
+if (x_103 == 0)
+{
+uint8_t x_104; 
+lean_dec(x_83);
+x_104 = 0;
+x_85 = x_104;
+x_86 = x_101;
+goto block_98;
+}
+else
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_105 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_83, x_101);
+x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
-lean_dec(x_104);
-x_107 = lean_unbox(x_105);
+x_107 = lean_ctor_get(x_105, 1);
+lean_inc(x_107);
 lean_dec(x_105);
-x_22 = x_107;
-x_23 = x_106;
-goto block_91;
+x_108 = lean_unbox(x_106);
+lean_dec(x_106);
+x_85 = x_108;
+x_86 = x_107;
+goto block_98;
 }
 }
 else
 {
-lean_object* x_108; lean_object* x_109; uint8_t x_110; lean_object* x_111; lean_object* x_124; lean_object* x_125; lean_object* x_126; uint8_t x_127; 
-x_108 = lean_ctor_get(x_21, 3);
-lean_inc(x_108);
-x_109 = lean_ctor_get(x_21, 4);
-lean_inc(x_109);
-x_124 = lean_ctor_get(x_9, 0);
-lean_inc(x_124);
-x_125 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-x_126 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_126, 0, x_125);
-lean_ctor_set(x_126, 1, x_124);
-x_127 = l_Lean_Expr_hasFVar(x_108);
-if (x_127 == 0)
-{
-uint8_t x_128; 
-x_128 = l_Lean_Expr_hasMVar(x_108);
-if (x_128 == 0)
-{
-uint8_t x_129; 
-lean_dec(x_108);
-x_129 = 0;
-x_110 = x_129;
-x_111 = x_126;
-goto block_123;
-}
-else
-{
-lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
-x_130 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__34(x_7, x_108, x_126);
-x_131 = lean_ctor_get(x_130, 0);
-lean_inc(x_131);
-x_132 = lean_ctor_get(x_130, 1);
-lean_inc(x_132);
-lean_dec(x_130);
-x_133 = lean_unbox(x_131);
-lean_dec(x_131);
-x_110 = x_133;
-x_111 = x_132;
-goto block_123;
-}
-}
-else
-{
-lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; 
-x_134 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_108, x_126);
-x_135 = lean_ctor_get(x_134, 0);
-lean_inc(x_135);
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-lean_dec(x_134);
-x_137 = lean_unbox(x_135);
-lean_dec(x_135);
-x_110 = x_137;
-x_111 = x_136;
-goto block_123;
-}
-block_123:
-{
-if (x_110 == 0)
-{
-uint8_t x_112; 
-x_112 = l_Lean_Expr_hasFVar(x_109);
-if (x_112 == 0)
-{
-uint8_t x_113; 
-x_113 = l_Lean_Expr_hasMVar(x_109);
-if (x_113 == 0)
-{
-uint8_t x_114; 
+lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
+x_109 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(x_7, x_83, x_101);
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_ctor_get(x_109, 1);
+lean_inc(x_111);
 lean_dec(x_109);
-x_114 = 0;
-x_22 = x_114;
-x_23 = x_111;
-goto block_91;
+x_112 = lean_unbox(x_110);
+lean_dec(x_110);
+x_85 = x_112;
+x_86 = x_111;
+goto block_98;
+}
+block_98:
+{
+if (x_85 == 0)
+{
+uint8_t x_87; 
+x_87 = l_Lean_Expr_hasFVar(x_84);
+if (x_87 == 0)
+{
+uint8_t x_88; 
+x_88 = l_Lean_Expr_hasMVar(x_84);
+if (x_88 == 0)
+{
+uint8_t x_89; 
+lean_dec(x_84);
+x_89 = 0;
+x_22 = x_89;
+x_23 = x_86;
+goto block_35;
 }
 else
 {
-lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_115 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_109, x_111);
-x_116 = lean_ctor_get(x_115, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_115, 1);
-lean_inc(x_117);
-lean_dec(x_115);
-x_118 = lean_unbox(x_116);
-lean_dec(x_116);
-x_22 = x_118;
-x_23 = x_117;
-goto block_91;
+lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_90 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__18(x_7, x_84, x_86);
+x_91 = lean_ctor_get(x_90, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_90, 1);
+lean_inc(x_92);
+lean_dec(x_90);
+x_93 = lean_unbox(x_91);
+lean_dec(x_91);
+x_22 = x_93;
+x_23 = x_92;
+goto block_35;
 }
 }
 else
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
-x_119 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_109, x_111);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-lean_dec(x_119);
-x_122 = lean_unbox(x_120);
-lean_dec(x_120);
-x_22 = x_122;
-x_23 = x_121;
-goto block_91;
+lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; 
+x_94 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__26(x_7, x_84, x_86);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_95);
+lean_dec(x_95);
+x_22 = x_97;
+x_23 = x_96;
+goto block_35;
 }
 }
 else
 {
-lean_dec(x_109);
-x_22 = x_110;
-x_23 = x_111;
-goto block_91;
+lean_dec(x_84);
+x_22 = x_85;
+x_23 = x_86;
+goto block_35;
 }
 }
 }
@@ -63969,12 +61549,12 @@ goto block_91;
 }
 else
 {
-lean_object* x_151; 
+lean_object* x_126; 
 lean_dec(x_3);
-x_151 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_151, 0, x_7);
-lean_ctor_set(x_151, 1, x_9);
-return x_151;
+x_126 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_126, 0, x_7);
+lean_ctor_set(x_126, 1, x_9);
+return x_126;
 }
 block_15:
 {
@@ -64731,7 +62311,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -65459,7 +63039,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -66187,7 +63767,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -66915,7 +64495,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -67643,7 +65223,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -68371,7 +65951,7 @@ else
 {
 lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
 lean_inc(x_2);
-x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(x_2, x_3);
+x_34 = l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__10(x_2, x_3);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -68664,51 +66244,197 @@ _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_5; lean_object* x_6; uint8_t x_7; lean_object* x_8; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
+lean_object* x_5; uint8_t x_6; 
 x_5 = lean_ctor_get(x_1, 3);
 lean_inc(x_5);
 lean_dec(x_1);
-x_6 = lean_ctor_get(x_4, 0);
-lean_inc(x_6);
-x_76 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-lean_inc(x_6);
-x_77 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_6);
-x_78 = l_Lean_Expr_hasFVar(x_5);
-if (x_78 == 0)
+x_6 = !lean_is_exclusive(x_4);
+if (x_6 == 0)
 {
-uint8_t x_79; 
-x_79 = l_Lean_Expr_hasMVar(x_5);
-if (x_79 == 0)
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_7 = lean_ctor_get(x_4, 0);
+x_8 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_7);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_7);
+x_10 = l_Lean_Expr_hasFVar(x_5);
+if (x_10 == 0)
 {
-uint8_t x_80; 
+uint8_t x_11; 
+x_11 = l_Lean_Expr_hasMVar(x_5);
+if (x_11 == 0)
+{
+uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+lean_dec(x_9);
 lean_dec(x_5);
-x_80 = 0;
-x_7 = x_80;
-x_8 = x_77;
-goto block_75;
+x_12 = 0;
+x_13 = lean_box(x_12);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_4);
+return x_14;
 }
 else
 {
-lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
-x_81 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__67(x_2, x_5, x_77);
-x_82 = lean_ctor_get(x_81, 0);
-lean_inc(x_82);
-x_83 = lean_ctor_get(x_81, 1);
-lean_inc(x_83);
-lean_dec(x_81);
-x_84 = lean_unbox(x_82);
-lean_dec(x_82);
-x_7 = x_84;
-x_8 = x_83;
-goto block_75;
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+lean_dec(x_7);
+x_15 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__67(x_2, x_5, x_9);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
+lean_ctor_set(x_4, 0, x_18);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_4);
+return x_19;
 }
 }
 else
 {
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+lean_dec(x_7);
+x_20 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__75(x_2, x_5, x_9);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 0);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_21, 1);
+lean_inc(x_23);
+lean_dec(x_21);
+lean_ctor_set(x_4, 0, x_23);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_4);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; 
+x_25 = lean_ctor_get(x_4, 0);
+x_26 = lean_ctor_get(x_4, 1);
+x_27 = lean_ctor_get(x_4, 2);
+x_28 = lean_ctor_get(x_4, 3);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_4);
+x_29 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+lean_inc(x_25);
+x_30 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_25);
+x_31 = l_Lean_Expr_hasFVar(x_5);
+if (x_31 == 0)
+{
+uint8_t x_32; 
+x_32 = l_Lean_Expr_hasMVar(x_5);
+if (x_32 == 0)
+{
+lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; 
+lean_dec(x_30);
+lean_dec(x_5);
+x_33 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_33, 0, x_25);
+lean_ctor_set(x_33, 1, x_26);
+lean_ctor_set(x_33, 2, x_27);
+lean_ctor_set(x_33, 3, x_28);
+x_34 = 0;
+x_35 = lean_box(x_34);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_33);
+return x_36;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+lean_dec(x_25);
+x_37 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__67(x_2, x_5, x_30);
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 0);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_40);
+lean_dec(x_38);
+x_41 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_26);
+lean_ctor_set(x_41, 2, x_27);
+lean_ctor_set(x_41, 3, x_28);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_39);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
+}
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+lean_dec(x_25);
+x_43 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__75(x_2, x_5, x_30);
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 0);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = lean_ctor_get(x_44, 1);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_26);
+lean_ctor_set(x_47, 2, x_27);
+lean_ctor_set(x_47, 3, x_28);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_45);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
+}
+}
+}
+else
+{
+lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; lean_object* x_53; uint8_t x_66; lean_object* x_67; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_49 = lean_ctor_get(x_1, 3);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_1, 4);
+lean_inc(x_50);
+lean_dec(x_1);
+x_51 = lean_ctor_get(x_4, 0);
+lean_inc(x_51);
+x_80 = l_Lean_findExprDependsOn___rarg___lambda__3___closed__1;
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_80);
+lean_ctor_set(x_81, 1, x_51);
+x_82 = l_Lean_Expr_hasFVar(x_49);
+if (x_82 == 0)
+{
+uint8_t x_83; 
+x_83 = l_Lean_Expr_hasMVar(x_49);
+if (x_83 == 0)
+{
+uint8_t x_84; 
+lean_dec(x_49);
+x_84 = 0;
+x_66 = x_84;
+x_67 = x_81;
+goto block_79;
+}
+else
+{
 lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; 
-x_85 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__75(x_2, x_5, x_77);
+x_85 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__99(x_2, x_49, x_81);
 x_86 = lean_ctor_get(x_85, 0);
 lean_inc(x_86);
 x_87 = lean_ctor_get(x_85, 1);
@@ -68716,632 +66442,124 @@ lean_inc(x_87);
 lean_dec(x_85);
 x_88 = lean_unbox(x_86);
 lean_dec(x_86);
-x_7 = x_88;
-x_8 = x_87;
-goto block_75;
-}
-block_75:
-{
-lean_object* x_9; uint8_t x_10; 
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-lean_dec(x_8);
-x_10 = lean_ctor_get_uint8(x_9, sizeof(void*)*8);
-if (x_10 == 0)
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_11 = lean_ctor_get(x_9, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_9, 1);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_9, 2);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_9, 3);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_9, 4);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_9, 5);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_9, 6);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_9, 7);
-lean_inc(x_18);
-lean_dec(x_9);
-x_19 = !lean_is_exclusive(x_4);
-if (x_19 == 0)
-{
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_4, 0);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_6);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_22 = lean_ctor_get(x_6, 7);
-lean_dec(x_22);
-x_23 = lean_ctor_get(x_6, 6);
-lean_dec(x_23);
-x_24 = lean_ctor_get(x_6, 5);
-lean_dec(x_24);
-x_25 = lean_ctor_get(x_6, 4);
-lean_dec(x_25);
-x_26 = lean_ctor_get(x_6, 3);
-lean_dec(x_26);
-x_27 = lean_ctor_get(x_6, 2);
-lean_dec(x_27);
-x_28 = lean_ctor_get(x_6, 1);
-lean_dec(x_28);
-x_29 = lean_ctor_get(x_6, 0);
-lean_dec(x_29);
-lean_ctor_set(x_6, 7, x_18);
-lean_ctor_set(x_6, 6, x_17);
-lean_ctor_set(x_6, 5, x_16);
-lean_ctor_set(x_6, 4, x_15);
-lean_ctor_set(x_6, 3, x_14);
-lean_ctor_set(x_6, 2, x_13);
-lean_ctor_set(x_6, 1, x_12);
-lean_ctor_set(x_6, 0, x_11);
-x_30 = lean_box(x_7);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_4);
-return x_31;
-}
-else
-{
-uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_32 = lean_ctor_get_uint8(x_6, sizeof(void*)*8);
-lean_dec(x_6);
-x_33 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_33, 0, x_11);
-lean_ctor_set(x_33, 1, x_12);
-lean_ctor_set(x_33, 2, x_13);
-lean_ctor_set(x_33, 3, x_14);
-lean_ctor_set(x_33, 4, x_15);
-lean_ctor_set(x_33, 5, x_16);
-lean_ctor_set(x_33, 6, x_17);
-lean_ctor_set(x_33, 7, x_18);
-lean_ctor_set_uint8(x_33, sizeof(void*)*8, x_32);
-lean_ctor_set(x_4, 0, x_33);
-x_34 = lean_box(x_7);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_4);
-return x_35;
+x_66 = x_88;
+x_67 = x_87;
+goto block_79;
 }
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_36 = lean_ctor_get(x_4, 1);
-x_37 = lean_ctor_get(x_4, 2);
-x_38 = lean_ctor_get(x_4, 3);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_dec(x_4);
-x_39 = lean_ctor_get_uint8(x_6, sizeof(void*)*8);
-if (lean_is_exclusive(x_6)) {
- lean_ctor_release(x_6, 0);
- lean_ctor_release(x_6, 1);
- lean_ctor_release(x_6, 2);
- lean_ctor_release(x_6, 3);
- lean_ctor_release(x_6, 4);
- lean_ctor_release(x_6, 5);
- lean_ctor_release(x_6, 6);
- lean_ctor_release(x_6, 7);
- x_40 = x_6;
-} else {
- lean_dec_ref(x_6);
- x_40 = lean_box(0);
-}
-if (lean_is_scalar(x_40)) {
- x_41 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_41 = x_40;
-}
-lean_ctor_set(x_41, 0, x_11);
-lean_ctor_set(x_41, 1, x_12);
-lean_ctor_set(x_41, 2, x_13);
-lean_ctor_set(x_41, 3, x_14);
-lean_ctor_set(x_41, 4, x_15);
-lean_ctor_set(x_41, 5, x_16);
-lean_ctor_set(x_41, 6, x_17);
-lean_ctor_set(x_41, 7, x_18);
-lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_39);
-x_42 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_36);
-lean_ctor_set(x_42, 2, x_37);
-lean_ctor_set(x_42, 3, x_38);
-x_43 = lean_box(x_7);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
+lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; 
+x_89 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__107(x_2, x_49, x_81);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+x_92 = lean_unbox(x_90);
+lean_dec(x_90);
+x_66 = x_92;
+x_67 = x_91;
+goto block_79;
 }
+block_65:
+{
+lean_object* x_54; uint8_t x_55; 
+x_54 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+lean_dec(x_53);
+x_55 = !lean_is_exclusive(x_4);
+if (x_55 == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_4, 0);
+lean_dec(x_56);
+lean_ctor_set(x_4, 0, x_54);
+x_57 = lean_box(x_52);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set(x_58, 1, x_4);
+return x_58;
 }
 else
 {
-uint8_t x_45; 
-lean_dec(x_6);
-x_45 = !lean_is_exclusive(x_9);
-if (x_45 == 0)
-{
-uint8_t x_46; 
-x_46 = !lean_is_exclusive(x_4);
-if (x_46 == 0)
-{
-lean_object* x_47; uint8_t x_48; lean_object* x_49; lean_object* x_50; 
-x_47 = lean_ctor_get(x_4, 0);
-lean_dec(x_47);
-x_48 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_48);
-lean_ctor_set(x_4, 0, x_9);
-x_49 = lean_box(x_7);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_4);
-return x_50;
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_51 = lean_ctor_get(x_4, 1);
-x_52 = lean_ctor_get(x_4, 2);
-x_53 = lean_ctor_get(x_4, 3);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_4);
-x_54 = 1;
-lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_54);
-x_55 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_55, 0, x_9);
-lean_ctor_set(x_55, 1, x_51);
-lean_ctor_set(x_55, 2, x_52);
-lean_ctor_set(x_55, 3, x_53);
-x_56 = lean_box(x_7);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_56);
-lean_ctor_set(x_57, 1, x_55);
-return x_57;
-}
-}
-else
-{
-lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
-x_58 = lean_ctor_get(x_9, 0);
-x_59 = lean_ctor_get(x_9, 1);
-x_60 = lean_ctor_get(x_9, 2);
-x_61 = lean_ctor_get(x_9, 3);
-x_62 = lean_ctor_get(x_9, 4);
-x_63 = lean_ctor_get(x_9, 5);
-x_64 = lean_ctor_get(x_9, 6);
-x_65 = lean_ctor_get(x_9, 7);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_59 = lean_ctor_get(x_4, 1);
+x_60 = lean_ctor_get(x_4, 2);
+x_61 = lean_ctor_get(x_4, 3);
 lean_inc(x_61);
 lean_inc(x_60);
 lean_inc(x_59);
-lean_inc(x_58);
-lean_dec(x_9);
-x_66 = lean_ctor_get(x_4, 1);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_4, 2);
-lean_inc(x_67);
-x_68 = lean_ctor_get(x_4, 3);
-lean_inc(x_68);
-if (lean_is_exclusive(x_4)) {
- lean_ctor_release(x_4, 0);
- lean_ctor_release(x_4, 1);
- lean_ctor_release(x_4, 2);
- lean_ctor_release(x_4, 3);
- x_69 = x_4;
-} else {
- lean_dec_ref(x_4);
- x_69 = lean_box(0);
-}
-x_70 = 1;
-x_71 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_71, 0, x_58);
-lean_ctor_set(x_71, 1, x_59);
-lean_ctor_set(x_71, 2, x_60);
-lean_ctor_set(x_71, 3, x_61);
-lean_ctor_set(x_71, 4, x_62);
-lean_ctor_set(x_71, 5, x_63);
-lean_ctor_set(x_71, 6, x_64);
-lean_ctor_set(x_71, 7, x_65);
-lean_ctor_set_uint8(x_71, sizeof(void*)*8, x_70);
-if (lean_is_scalar(x_69)) {
- x_72 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_72 = x_69;
-}
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_66);
-lean_ctor_set(x_72, 2, x_67);
-lean_ctor_set(x_72, 3, x_68);
-x_73 = lean_box(x_7);
-x_74 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_74, 0, x_73);
-lean_ctor_set(x_74, 1, x_72);
-return x_74;
-}
-}
-}
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; uint8_t x_92; lean_object* x_93; uint8_t x_161; lean_object* x_162; lean_object* x_175; lean_object* x_176; uint8_t x_177; 
-x_89 = lean_ctor_get(x_1, 3);
-lean_inc(x_89);
-x_90 = lean_ctor_get(x_1, 4);
-lean_inc(x_90);
-lean_dec(x_1);
-x_91 = lean_ctor_get(x_4, 0);
-lean_inc(x_91);
-x_175 = l_Lean_findExprDependsOn___rarg___lambda__2___closed__1;
-lean_inc(x_91);
-x_176 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_176, 0, x_175);
-lean_ctor_set(x_176, 1, x_91);
-x_177 = l_Lean_Expr_hasFVar(x_89);
-if (x_177 == 0)
-{
-uint8_t x_178; 
-x_178 = l_Lean_Expr_hasMVar(x_89);
-if (x_178 == 0)
-{
-uint8_t x_179; 
-lean_dec(x_89);
-x_179 = 0;
-x_161 = x_179;
-x_162 = x_176;
-goto block_174;
-}
-else
-{
-lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; 
-x_180 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__99(x_2, x_89, x_176);
-x_181 = lean_ctor_get(x_180, 0);
-lean_inc(x_181);
-x_182 = lean_ctor_get(x_180, 1);
-lean_inc(x_182);
-lean_dec(x_180);
-x_183 = lean_unbox(x_181);
-lean_dec(x_181);
-x_161 = x_183;
-x_162 = x_182;
-goto block_174;
-}
-}
-else
-{
-lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
-x_184 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__107(x_2, x_89, x_176);
-x_185 = lean_ctor_get(x_184, 0);
-lean_inc(x_185);
-x_186 = lean_ctor_get(x_184, 1);
-lean_inc(x_186);
-lean_dec(x_184);
-x_187 = lean_unbox(x_185);
-lean_dec(x_185);
-x_161 = x_187;
-x_162 = x_186;
-goto block_174;
-}
-block_160:
-{
-lean_object* x_94; uint8_t x_95; 
-x_94 = lean_ctor_get(x_93, 1);
-lean_inc(x_94);
-lean_dec(x_93);
-x_95 = lean_ctor_get_uint8(x_94, sizeof(void*)*8);
-if (x_95 == 0)
-{
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
-x_96 = lean_ctor_get(x_94, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_94, 1);
-lean_inc(x_97);
-x_98 = lean_ctor_get(x_94, 2);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_94, 3);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_94, 4);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_94, 5);
-lean_inc(x_101);
-x_102 = lean_ctor_get(x_94, 6);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_94, 7);
-lean_inc(x_103);
-lean_dec(x_94);
-x_104 = !lean_is_exclusive(x_4);
-if (x_104 == 0)
-{
-lean_object* x_105; uint8_t x_106; 
-x_105 = lean_ctor_get(x_4, 0);
-lean_dec(x_105);
-x_106 = !lean_is_exclusive(x_91);
-if (x_106 == 0)
-{
-lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_107 = lean_ctor_get(x_91, 7);
-lean_dec(x_107);
-x_108 = lean_ctor_get(x_91, 6);
-lean_dec(x_108);
-x_109 = lean_ctor_get(x_91, 5);
-lean_dec(x_109);
-x_110 = lean_ctor_get(x_91, 4);
-lean_dec(x_110);
-x_111 = lean_ctor_get(x_91, 3);
-lean_dec(x_111);
-x_112 = lean_ctor_get(x_91, 2);
-lean_dec(x_112);
-x_113 = lean_ctor_get(x_91, 1);
-lean_dec(x_113);
-x_114 = lean_ctor_get(x_91, 0);
-lean_dec(x_114);
-lean_ctor_set(x_91, 7, x_103);
-lean_ctor_set(x_91, 6, x_102);
-lean_ctor_set(x_91, 5, x_101);
-lean_ctor_set(x_91, 4, x_100);
-lean_ctor_set(x_91, 3, x_99);
-lean_ctor_set(x_91, 2, x_98);
-lean_ctor_set(x_91, 1, x_97);
-lean_ctor_set(x_91, 0, x_96);
-x_115 = lean_box(x_92);
-x_116 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_116, 0, x_115);
-lean_ctor_set(x_116, 1, x_4);
-return x_116;
-}
-else
-{
-uint8_t x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_117 = lean_ctor_get_uint8(x_91, sizeof(void*)*8);
-lean_dec(x_91);
-x_118 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_118, 0, x_96);
-lean_ctor_set(x_118, 1, x_97);
-lean_ctor_set(x_118, 2, x_98);
-lean_ctor_set(x_118, 3, x_99);
-lean_ctor_set(x_118, 4, x_100);
-lean_ctor_set(x_118, 5, x_101);
-lean_ctor_set(x_118, 6, x_102);
-lean_ctor_set(x_118, 7, x_103);
-lean_ctor_set_uint8(x_118, sizeof(void*)*8, x_117);
-lean_ctor_set(x_4, 0, x_118);
-x_119 = lean_box(x_92);
-x_120 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_120, 0, x_119);
-lean_ctor_set(x_120, 1, x_4);
-return x_120;
-}
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_121 = lean_ctor_get(x_4, 1);
-x_122 = lean_ctor_get(x_4, 2);
-x_123 = lean_ctor_get(x_4, 3);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
 lean_dec(x_4);
-x_124 = lean_ctor_get_uint8(x_91, sizeof(void*)*8);
-if (lean_is_exclusive(x_91)) {
- lean_ctor_release(x_91, 0);
- lean_ctor_release(x_91, 1);
- lean_ctor_release(x_91, 2);
- lean_ctor_release(x_91, 3);
- lean_ctor_release(x_91, 4);
- lean_ctor_release(x_91, 5);
- lean_ctor_release(x_91, 6);
- lean_ctor_release(x_91, 7);
- x_125 = x_91;
-} else {
- lean_dec_ref(x_91);
- x_125 = lean_box(0);
+x_62 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_62, 0, x_54);
+lean_ctor_set(x_62, 1, x_59);
+lean_ctor_set(x_62, 2, x_60);
+lean_ctor_set(x_62, 3, x_61);
+x_63 = lean_box(x_52);
+x_64 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_64, 0, x_63);
+lean_ctor_set(x_64, 1, x_62);
+return x_64;
 }
-if (lean_is_scalar(x_125)) {
- x_126 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_126 = x_125;
 }
-lean_ctor_set(x_126, 0, x_96);
-lean_ctor_set(x_126, 1, x_97);
-lean_ctor_set(x_126, 2, x_98);
-lean_ctor_set(x_126, 3, x_99);
-lean_ctor_set(x_126, 4, x_100);
-lean_ctor_set(x_126, 5, x_101);
-lean_ctor_set(x_126, 6, x_102);
-lean_ctor_set(x_126, 7, x_103);
-lean_ctor_set_uint8(x_126, sizeof(void*)*8, x_124);
-x_127 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_127, 0, x_126);
-lean_ctor_set(x_127, 1, x_121);
-lean_ctor_set(x_127, 2, x_122);
-lean_ctor_set(x_127, 3, x_123);
-x_128 = lean_box(x_92);
-x_129 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_129, 0, x_128);
-lean_ctor_set(x_129, 1, x_127);
-return x_129;
+block_79:
+{
+if (x_66 == 0)
+{
+uint8_t x_68; 
+x_68 = l_Lean_Expr_hasFVar(x_50);
+if (x_68 == 0)
+{
+uint8_t x_69; 
+x_69 = l_Lean_Expr_hasMVar(x_50);
+if (x_69 == 0)
+{
+uint8_t x_70; 
+lean_dec(x_50);
+x_70 = 0;
+x_52 = x_70;
+x_53 = x_67;
+goto block_65;
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
+x_71 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__83(x_2, x_50, x_67);
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+lean_dec(x_71);
+x_74 = lean_unbox(x_72);
+lean_dec(x_72);
+x_52 = x_74;
+x_53 = x_73;
+goto block_65;
 }
 }
 else
 {
-uint8_t x_130; 
-lean_dec(x_91);
-x_130 = !lean_is_exclusive(x_94);
-if (x_130 == 0)
-{
-uint8_t x_131; 
-x_131 = !lean_is_exclusive(x_4);
-if (x_131 == 0)
-{
-lean_object* x_132; uint8_t x_133; lean_object* x_134; lean_object* x_135; 
-x_132 = lean_ctor_get(x_4, 0);
-lean_dec(x_132);
-x_133 = 1;
-lean_ctor_set_uint8(x_94, sizeof(void*)*8, x_133);
-lean_ctor_set(x_4, 0, x_94);
-x_134 = lean_box(x_92);
-x_135 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_135, 0, x_134);
-lean_ctor_set(x_135, 1, x_4);
-return x_135;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_136 = lean_ctor_get(x_4, 1);
-x_137 = lean_ctor_get(x_4, 2);
-x_138 = lean_ctor_get(x_4, 3);
-lean_inc(x_138);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_dec(x_4);
-x_139 = 1;
-lean_ctor_set_uint8(x_94, sizeof(void*)*8, x_139);
-x_140 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_140, 0, x_94);
-lean_ctor_set(x_140, 1, x_136);
-lean_ctor_set(x_140, 2, x_137);
-lean_ctor_set(x_140, 3, x_138);
-x_141 = lean_box(x_92);
-x_142 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_142, 0, x_141);
-lean_ctor_set(x_142, 1, x_140);
-return x_142;
+lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
+x_75 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__91(x_2, x_50, x_67);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+lean_dec(x_75);
+x_78 = lean_unbox(x_76);
+lean_dec(x_76);
+x_52 = x_78;
+x_53 = x_77;
+goto block_65;
 }
 }
 else
 {
-lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; uint8_t x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_143 = lean_ctor_get(x_94, 0);
-x_144 = lean_ctor_get(x_94, 1);
-x_145 = lean_ctor_get(x_94, 2);
-x_146 = lean_ctor_get(x_94, 3);
-x_147 = lean_ctor_get(x_94, 4);
-x_148 = lean_ctor_get(x_94, 5);
-x_149 = lean_ctor_get(x_94, 6);
-x_150 = lean_ctor_get(x_94, 7);
-lean_inc(x_150);
-lean_inc(x_149);
-lean_inc(x_148);
-lean_inc(x_147);
-lean_inc(x_146);
-lean_inc(x_145);
-lean_inc(x_144);
-lean_inc(x_143);
-lean_dec(x_94);
-x_151 = lean_ctor_get(x_4, 1);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_4, 2);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_4, 3);
-lean_inc(x_153);
-if (lean_is_exclusive(x_4)) {
- lean_ctor_release(x_4, 0);
- lean_ctor_release(x_4, 1);
- lean_ctor_release(x_4, 2);
- lean_ctor_release(x_4, 3);
- x_154 = x_4;
-} else {
- lean_dec_ref(x_4);
- x_154 = lean_box(0);
-}
-x_155 = 1;
-x_156 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_156, 0, x_143);
-lean_ctor_set(x_156, 1, x_144);
-lean_ctor_set(x_156, 2, x_145);
-lean_ctor_set(x_156, 3, x_146);
-lean_ctor_set(x_156, 4, x_147);
-lean_ctor_set(x_156, 5, x_148);
-lean_ctor_set(x_156, 6, x_149);
-lean_ctor_set(x_156, 7, x_150);
-lean_ctor_set_uint8(x_156, sizeof(void*)*8, x_155);
-if (lean_is_scalar(x_154)) {
- x_157 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_157 = x_154;
-}
-lean_ctor_set(x_157, 0, x_156);
-lean_ctor_set(x_157, 1, x_151);
-lean_ctor_set(x_157, 2, x_152);
-lean_ctor_set(x_157, 3, x_153);
-x_158 = lean_box(x_92);
-x_159 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_159, 0, x_158);
-lean_ctor_set(x_159, 1, x_157);
-return x_159;
-}
-}
-}
-block_174:
-{
-if (x_161 == 0)
-{
-uint8_t x_163; 
-x_163 = l_Lean_Expr_hasFVar(x_90);
-if (x_163 == 0)
-{
-uint8_t x_164; 
-x_164 = l_Lean_Expr_hasMVar(x_90);
-if (x_164 == 0)
-{
-uint8_t x_165; 
-lean_dec(x_90);
-x_165 = 0;
-x_92 = x_165;
-x_93 = x_162;
-goto block_160;
-}
-else
-{
-lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; 
-x_166 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__83(x_2, x_90, x_162);
-x_167 = lean_ctor_get(x_166, 0);
-lean_inc(x_167);
-x_168 = lean_ctor_get(x_166, 1);
-lean_inc(x_168);
-lean_dec(x_166);
-x_169 = lean_unbox(x_167);
-lean_dec(x_167);
-x_92 = x_169;
-x_93 = x_168;
-goto block_160;
-}
-}
-else
-{
-lean_object* x_170; lean_object* x_171; lean_object* x_172; uint8_t x_173; 
-x_170 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__91(x_2, x_90, x_162);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
-lean_inc(x_172);
-lean_dec(x_170);
-x_173 = lean_unbox(x_171);
-lean_dec(x_171);
-x_92 = x_173;
-x_93 = x_172;
-goto block_160;
-}
-}
-else
-{
-lean_dec(x_90);
-x_92 = x_161;
-x_93 = x_162;
-goto block_160;
+lean_dec(x_50);
+x_52 = x_66;
+x_53 = x_67;
+goto block_65;
 }
 }
 }
@@ -72843,197 +70061,20 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_1, 0);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
-{
-uint8_t x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = 1;
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_5);
-x_6 = lean_box(0);
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_6);
-lean_ctor_set(x_7, 1, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_dec(x_3);
-x_16 = 1;
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_8);
-lean_ctor_set(x_17, 1, x_9);
-lean_ctor_set(x_17, 2, x_10);
-lean_ctor_set(x_17, 3, x_11);
-lean_ctor_set(x_17, 4, x_12);
-lean_ctor_set(x_17, 5, x_13);
-lean_ctor_set(x_17, 6, x_14);
-lean_ctor_set(x_17, 7, x_15);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_16);
-lean_ctor_set(x_1, 0, x_17);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_1);
-return x_19;
-}
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_20 = lean_ctor_get(x_1, 0);
-x_21 = lean_ctor_get(x_1, 1);
-x_22 = lean_ctor_get(x_1, 2);
-x_23 = lean_ctor_get(x_1, 3);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_1);
-x_24 = lean_ctor_get(x_20, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_20, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_20, 3);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_20, 4);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 5);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_20, 6);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_20, 7);
-lean_inc(x_31);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- lean_ctor_release(x_20, 4);
- lean_ctor_release(x_20, 5);
- lean_ctor_release(x_20, 6);
- lean_ctor_release(x_20, 7);
- x_32 = x_20;
-} else {
- lean_dec_ref(x_20);
- x_32 = lean_box(0);
-}
-x_33 = 1;
-if (lean_is_scalar(x_32)) {
- x_34 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_34 = x_32;
-}
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_29);
-lean_ctor_set(x_34, 6, x_30);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_21);
-lean_ctor_set(x_35, 2, x_22);
-lean_ctor_set(x_35, 3, x_23);
-x_36 = lean_box(0);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg), 1, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_5, 0, x_1);
-lean_ctor_set(x_5, 1, x_4);
-return x_5;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_4 = lean_ctor_get(x_3, 0);
 lean_inc(x_4);
 x_5 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_4, x_1);
-if (lean_obj_tag(x_5) == 0)
-{
-lean_object* x_6; 
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_5);
 lean_ctor_set(x_6, 1, x_3);
 return x_6;
 }
-else
-{
-lean_object* x_7; uint8_t x_8; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg(x_3);
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_ctor_get(x_7, 0);
-lean_dec(x_9);
-lean_ctor_set(x_7, 0, x_5);
-return x_7;
 }
-else
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_5);
-lean_ctor_set(x_11, 1, x_10);
-return x_11;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -73077,6 +70118,74 @@ goto _start;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; 
+x_7 = lean_usize_dec_lt(x_3, x_2);
+if (x_7 == 0)
+{
+lean_object* x_8; 
+lean_dec(x_5);
+lean_dec(x_1);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_4);
+lean_ctor_set(x_8, 1, x_6);
+return x_8;
+}
+else
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_array_uget(x_4, x_3);
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = lean_array_uset(x_4, x_3, x_10);
+lean_inc(x_5);
+lean_inc(x_1);
+x_12 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_visit(x_1, x_9, x_5, x_6);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+lean_dec(x_12);
+x_15 = 1;
+x_16 = lean_usize_add(x_3, x_15);
+x_17 = lean_array_uset(x_11, x_3, x_13);
+x_3 = x_16;
+x_4 = x_17;
+x_6 = x_14;
+goto _start;
+}
+else
+{
+uint8_t x_19; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_1);
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__6(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -73757,74 +70866,6 @@ return x_22;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-uint8_t x_7; 
-x_7 = lean_usize_dec_lt(x_3, x_2);
-if (x_7 == 0)
-{
-lean_object* x_8; 
-lean_dec(x_5);
-lean_dec(x_1);
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_4);
-lean_ctor_set(x_8, 1, x_6);
-return x_8;
-}
-else
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_9 = lean_array_uget(x_4, x_3);
-x_10 = lean_unsigned_to_nat(0u);
-x_11 = lean_array_uset(x_4, x_3, x_10);
-lean_inc(x_5);
-lean_inc(x_1);
-x_12 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_visit(x_1, x_9, x_5, x_6);
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = 1;
-x_16 = lean_usize_add(x_3, x_15);
-x_17 = lean_array_uset(x_11, x_3, x_13);
-x_3 = x_16;
-x_4 = x_17;
-x_6 = x_14;
-goto _start;
-}
-else
-{
-uint8_t x_19; 
-lean_dec(x_11);
-lean_dec(x_5);
-lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_12);
-if (x_19 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_12, 0);
-x_21 = lean_ctor_get(x_12, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_12);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
-}
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -74038,7 +71079,7 @@ lean_inc(x_53);
 lean_dec(x_51);
 x_54 = lean_ctor_get(x_4, 1);
 lean_inc(x_54);
-x_55 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_54, x_50);
+x_55 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_54, x_50);
 lean_dec(x_54);
 if (lean_obj_tag(x_55) == 0)
 {
@@ -74108,7 +71149,7 @@ x_68 = lean_array_get_size(x_3);
 x_69 = lean_usize_of_nat(x_68);
 lean_dec(x_68);
 x_70 = 0;
-x_71 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__6(x_1, x_69, x_70, x_3, x_4, x_53);
+x_71 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_1, x_69, x_70, x_3, x_4, x_53);
 if (lean_obj_tag(x_71) == 0)
 {
 uint8_t x_72; 
@@ -74188,7 +71229,7 @@ lean_dec(x_87);
 x_89 = 0;
 lean_inc(x_4);
 lean_inc(x_1);
-x_90 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__7(x_1, x_88, x_89, x_3, x_4, x_83);
+x_90 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__6(x_1, x_88, x_89, x_3, x_4, x_83);
 if (lean_obj_tag(x_90) == 0)
 {
 lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; lean_object* x_95; lean_object* x_96; 
@@ -74250,7 +71291,7 @@ x_104 = lean_array_get_size(x_3);
 x_105 = lean_usize_of_nat(x_104);
 lean_dec(x_104);
 x_106 = 0;
-x_107 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__8(x_1, x_105, x_106, x_3, x_4, x_103);
+x_107 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__7(x_1, x_105, x_106, x_3, x_4, x_103);
 if (lean_obj_tag(x_107) == 0)
 {
 uint8_t x_108; 
@@ -74346,7 +71387,7 @@ x_126 = lean_array_get_size(x_3);
 x_127 = lean_usize_of_nat(x_126);
 lean_dec(x_126);
 x_128 = 0;
-x_129 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__9(x_1, x_127, x_128, x_3, x_4, x_125);
+x_129 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__8(x_1, x_127, x_128, x_3, x_4, x_125);
 if (lean_obj_tag(x_129) == 0)
 {
 uint8_t x_130; 
@@ -74442,7 +71483,7 @@ x_148 = lean_array_get_size(x_3);
 x_149 = lean_usize_of_nat(x_148);
 lean_dec(x_148);
 x_150 = 0;
-x_151 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__10(x_1, x_149, x_150, x_3, x_4, x_147);
+x_151 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__9(x_1, x_149, x_150, x_3, x_4, x_147);
 if (lean_obj_tag(x_151) == 0)
 {
 uint8_t x_152; 
@@ -74538,7 +71579,7 @@ x_170 = lean_array_get_size(x_3);
 x_171 = lean_usize_of_nat(x_170);
 lean_dec(x_170);
 x_172 = 0;
-x_173 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__11(x_1, x_171, x_172, x_3, x_4, x_169);
+x_173 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__10(x_1, x_171, x_172, x_3, x_4, x_169);
 if (lean_obj_tag(x_173) == 0)
 {
 uint8_t x_174; 
@@ -74634,7 +71675,7 @@ x_192 = lean_array_get_size(x_3);
 x_193 = lean_usize_of_nat(x_192);
 lean_dec(x_192);
 x_194 = 0;
-x_195 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__12(x_1, x_193, x_194, x_3, x_4, x_191);
+x_195 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__11(x_1, x_193, x_194, x_3, x_4, x_191);
 if (lean_obj_tag(x_195) == 0)
 {
 uint8_t x_196; 
@@ -74730,7 +71771,7 @@ x_214 = lean_array_get_size(x_3);
 x_215 = lean_usize_of_nat(x_214);
 lean_dec(x_214);
 x_216 = 0;
-x_217 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__13(x_1, x_215, x_216, x_3, x_4, x_213);
+x_217 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__12(x_1, x_215, x_216, x_3, x_4, x_213);
 if (lean_obj_tag(x_217) == 0)
 {
 uint8_t x_218; 
@@ -74826,7 +71867,7 @@ x_236 = lean_array_get_size(x_3);
 x_237 = lean_usize_of_nat(x_236);
 lean_dec(x_236);
 x_238 = 0;
-x_239 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__14(x_1, x_237, x_238, x_3, x_4, x_235);
+x_239 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__13(x_1, x_237, x_238, x_3, x_4, x_235);
 if (lean_obj_tag(x_239) == 0)
 {
 uint8_t x_240; 
@@ -74922,7 +71963,7 @@ x_258 = lean_array_get_size(x_3);
 x_259 = lean_usize_of_nat(x_258);
 lean_dec(x_258);
 x_260 = 0;
-x_261 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__15(x_1, x_259, x_260, x_3, x_4, x_257);
+x_261 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__14(x_1, x_259, x_260, x_3, x_4, x_257);
 if (lean_obj_tag(x_261) == 0)
 {
 uint8_t x_262; 
@@ -75018,7 +72059,7 @@ x_280 = lean_array_get_size(x_3);
 x_281 = lean_usize_of_nat(x_280);
 lean_dec(x_280);
 x_282 = 0;
-x_283 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16(x_1, x_281, x_282, x_3, x_4, x_279);
+x_283 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__15(x_1, x_281, x_282, x_3, x_4, x_279);
 if (lean_obj_tag(x_283) == 0)
 {
 uint8_t x_284; 
@@ -75102,57 +72143,25 @@ return x_298;
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; uint8_t x_5; 
-x_4 = l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg(x_3);
-x_5 = !lean_is_exclusive(x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
-x_6 = lean_ctor_get(x_4, 1);
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9; lean_object* x_10; 
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+lean_inc(x_4);
+x_5 = l_Lean_MetavarContext_getDecl(x_4, x_1);
+x_6 = lean_ctor_get(x_5, 3);
+lean_inc(x_6);
+lean_dec(x_5);
 x_7 = lean_ctor_get(x_4, 0);
-lean_dec(x_7);
-x_8 = lean_ctor_get(x_6, 0);
-lean_inc(x_8);
-lean_inc(x_8);
-x_9 = l_Lean_MetavarContext_getDecl(x_8, x_1);
-x_10 = lean_ctor_get(x_9, 3);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_ctor_get(x_8, 0);
-lean_inc(x_11);
-lean_dec(x_8);
-x_12 = lean_nat_dec_eq(x_10, x_11);
-lean_dec(x_11);
-lean_dec(x_10);
-x_13 = lean_box(x_12);
-lean_ctor_set(x_4, 0, x_13);
-return x_4;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; 
-x_14 = lean_ctor_get(x_4, 1);
-lean_inc(x_14);
+lean_inc(x_7);
 lean_dec(x_4);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-lean_inc(x_15);
-x_16 = l_Lean_MetavarContext_getDecl(x_15, x_1);
-x_17 = lean_ctor_get(x_16, 3);
-lean_inc(x_17);
-lean_dec(x_16);
-x_18 = lean_ctor_get(x_15, 0);
-lean_inc(x_18);
-lean_dec(x_15);
-x_19 = lean_nat_dec_eq(x_17, x_18);
-lean_dec(x_18);
-lean_dec(x_17);
-x_20 = lean_box(x_19);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_20);
-lean_ctor_set(x_21, 1, x_14);
-return x_21;
-}
+x_8 = lean_nat_dec_eq(x_6, x_7);
+lean_dec(x_7);
+lean_dec(x_6);
+x_9 = lean_box(x_8);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_10, 1, x_3);
+return x_10;
 }
 }
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
@@ -75202,30 +72211,27 @@ x_6 = lean_ctor_get(x_4, 0);
 x_7 = !lean_is_exclusive(x_6);
 if (x_7 == 0)
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_8 = lean_ctor_get(x_6, 6);
 x_9 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_8, x_1, x_2);
-x_10 = 1;
 lean_ctor_set(x_6, 6, x_9);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_10);
-x_11 = lean_box(0);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_4);
-return x_12;
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_4);
+return x_11;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_13 = lean_ctor_get(x_6, 0);
-x_14 = lean_ctor_get(x_6, 1);
-x_15 = lean_ctor_get(x_6, 2);
-x_16 = lean_ctor_get(x_6, 3);
-x_17 = lean_ctor_get(x_6, 4);
-x_18 = lean_ctor_get(x_6, 5);
-x_19 = lean_ctor_get(x_6, 6);
-x_20 = lean_ctor_get(x_6, 7);
-lean_inc(x_20);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_12 = lean_ctor_get(x_6, 0);
+x_13 = lean_ctor_get(x_6, 1);
+x_14 = lean_ctor_get(x_6, 2);
+x_15 = lean_ctor_get(x_6, 3);
+x_16 = lean_ctor_get(x_6, 4);
+x_17 = lean_ctor_get(x_6, 5);
+x_18 = lean_ctor_get(x_6, 6);
+x_19 = lean_ctor_get(x_6, 7);
 lean_inc(x_19);
 lean_inc(x_18);
 lean_inc(x_17);
@@ -75233,142 +72239,110 @@ lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
+lean_inc(x_12);
 lean_dec(x_6);
-x_21 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_19, x_1, x_2);
-x_22 = 1;
-x_23 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_23, 0, x_13);
-lean_ctor_set(x_23, 1, x_14);
-lean_ctor_set(x_23, 2, x_15);
-lean_ctor_set(x_23, 3, x_16);
-lean_ctor_set(x_23, 4, x_17);
-lean_ctor_set(x_23, 5, x_18);
-lean_ctor_set(x_23, 6, x_21);
-lean_ctor_set(x_23, 7, x_20);
-lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_22);
-lean_ctor_set(x_4, 0, x_23);
-x_24 = lean_box(0);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_4);
-return x_25;
+x_20 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_18, x_1, x_2);
+x_21 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_21, 0, x_12);
+lean_ctor_set(x_21, 1, x_13);
+lean_ctor_set(x_21, 2, x_14);
+lean_ctor_set(x_21, 3, x_15);
+lean_ctor_set(x_21, 4, x_16);
+lean_ctor_set(x_21, 5, x_17);
+lean_ctor_set(x_21, 6, x_20);
+lean_ctor_set(x_21, 7, x_19);
+lean_ctor_set(x_4, 0, x_21);
+x_22 = lean_box(0);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_4);
+return x_23;
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_26 = lean_ctor_get(x_4, 0);
-x_27 = lean_ctor_get(x_4, 1);
-x_28 = lean_ctor_get(x_4, 2);
-x_29 = lean_ctor_get(x_4, 3);
-lean_inc(x_29);
-lean_inc(x_28);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_24 = lean_ctor_get(x_4, 0);
+x_25 = lean_ctor_get(x_4, 1);
+x_26 = lean_ctor_get(x_4, 2);
+x_27 = lean_ctor_get(x_4, 3);
 lean_inc(x_27);
 lean_inc(x_26);
+lean_inc(x_25);
+lean_inc(x_24);
 lean_dec(x_4);
-x_30 = lean_ctor_get(x_26, 0);
+x_28 = lean_ctor_get(x_24, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_24, 1);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_24, 2);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_26, 1);
+x_31 = lean_ctor_get(x_24, 3);
 lean_inc(x_31);
-x_32 = lean_ctor_get(x_26, 2);
+x_32 = lean_ctor_get(x_24, 4);
 lean_inc(x_32);
-x_33 = lean_ctor_get(x_26, 3);
+x_33 = lean_ctor_get(x_24, 5);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_26, 4);
+x_34 = lean_ctor_get(x_24, 6);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_26, 5);
+x_35 = lean_ctor_get(x_24, 7);
 lean_inc(x_35);
-x_36 = lean_ctor_get(x_26, 6);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_26, 7);
-lean_inc(x_37);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_38 = x_26;
+if (lean_is_exclusive(x_24)) {
+ lean_ctor_release(x_24, 0);
+ lean_ctor_release(x_24, 1);
+ lean_ctor_release(x_24, 2);
+ lean_ctor_release(x_24, 3);
+ lean_ctor_release(x_24, 4);
+ lean_ctor_release(x_24, 5);
+ lean_ctor_release(x_24, 6);
+ lean_ctor_release(x_24, 7);
+ x_36 = x_24;
 } else {
- lean_dec_ref(x_26);
- x_38 = lean_box(0);
+ lean_dec_ref(x_24);
+ x_36 = lean_box(0);
 }
-x_39 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_36, x_1, x_2);
-x_40 = 1;
-if (lean_is_scalar(x_38)) {
- x_41 = lean_alloc_ctor(0, 8, 1);
+x_37 = l_Std_PersistentHashMap_insert___at_Lean_MVarId_assign___spec__1(x_34, x_1, x_2);
+if (lean_is_scalar(x_36)) {
+ x_38 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_41 = x_38;
+ x_38 = x_36;
 }
-lean_ctor_set(x_41, 0, x_30);
-lean_ctor_set(x_41, 1, x_31);
-lean_ctor_set(x_41, 2, x_32);
-lean_ctor_set(x_41, 3, x_33);
-lean_ctor_set(x_41, 4, x_34);
-lean_ctor_set(x_41, 5, x_35);
-lean_ctor_set(x_41, 6, x_39);
-lean_ctor_set(x_41, 7, x_37);
-lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_40);
-x_42 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_27);
-lean_ctor_set(x_42, 2, x_28);
-lean_ctor_set(x_42, 3, x_29);
-x_43 = lean_box(0);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
+lean_ctor_set(x_38, 0, x_28);
+lean_ctor_set(x_38, 1, x_29);
+lean_ctor_set(x_38, 2, x_30);
+lean_ctor_set(x_38, 3, x_31);
+lean_ctor_set(x_38, 4, x_32);
+lean_ctor_set(x_38, 5, x_33);
+lean_ctor_set(x_38, 6, x_37);
+lean_ctor_set(x_38, 7, x_35);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_25);
+lean_ctor_set(x_39, 2, x_26);
+lean_ctor_set(x_39, 3, x_27);
+x_40 = lean_box(0);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_4 = lean_ctor_get(x_3, 0);
 lean_inc(x_4);
 x_5 = lean_ctor_get(x_4, 7);
 lean_inc(x_5);
 lean_dec(x_4);
 x_6 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_5, x_1);
-if (lean_obj_tag(x_6) == 0)
-{
-lean_object* x_7; 
 x_7 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_7, 0, x_6);
 lean_ctor_set(x_7, 1, x_3);
 return x_7;
 }
-else
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___rarg(x_3);
-x_9 = !lean_is_exclusive(x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; 
-x_10 = lean_ctor_get(x_8, 0);
-lean_dec(x_10);
-lean_ctor_set(x_8, 0, x_6);
-return x_8;
-}
-else
-{
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_ctor_get(x_8, 1);
-lean_inc(x_11);
-lean_dec(x_8);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_6);
-lean_ctor_set(x_12, 1, x_11);
-return x_12;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
@@ -75382,33 +72356,30 @@ x_7 = lean_ctor_get(x_5, 0);
 x_8 = !lean_is_exclusive(x_7);
 if (x_8 == 0)
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
 x_9 = lean_ctor_get(x_7, 7);
 x_10 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_10, 0, x_2);
 lean_ctor_set(x_10, 1, x_3);
 x_11 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_9, x_1, x_10);
-x_12 = 1;
 lean_ctor_set(x_7, 7, x_11);
-lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_5);
-return x_14;
+x_12 = lean_box(0);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_5);
+return x_13;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_15 = lean_ctor_get(x_7, 0);
-x_16 = lean_ctor_get(x_7, 1);
-x_17 = lean_ctor_get(x_7, 2);
-x_18 = lean_ctor_get(x_7, 3);
-x_19 = lean_ctor_get(x_7, 4);
-x_20 = lean_ctor_get(x_7, 5);
-x_21 = lean_ctor_get(x_7, 6);
-x_22 = lean_ctor_get(x_7, 7);
-lean_inc(x_22);
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_14 = lean_ctor_get(x_7, 0);
+x_15 = lean_ctor_get(x_7, 1);
+x_16 = lean_ctor_get(x_7, 2);
+x_17 = lean_ctor_get(x_7, 3);
+x_18 = lean_ctor_get(x_7, 4);
+x_19 = lean_ctor_get(x_7, 5);
+x_20 = lean_ctor_get(x_7, 6);
+x_21 = lean_ctor_get(x_7, 7);
 lean_inc(x_21);
 lean_inc(x_20);
 lean_inc(x_19);
@@ -75416,101 +72387,98 @@ lean_inc(x_18);
 lean_inc(x_17);
 lean_inc(x_16);
 lean_inc(x_15);
+lean_inc(x_14);
 lean_dec(x_7);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_2);
-lean_ctor_set(x_23, 1, x_3);
-x_24 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_22, x_1, x_23);
-x_25 = 1;
-x_26 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_26, 0, x_15);
-lean_ctor_set(x_26, 1, x_16);
-lean_ctor_set(x_26, 2, x_17);
-lean_ctor_set(x_26, 3, x_18);
-lean_ctor_set(x_26, 4, x_19);
-lean_ctor_set(x_26, 5, x_20);
-lean_ctor_set(x_26, 6, x_21);
-lean_ctor_set(x_26, 7, x_24);
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_25);
-lean_ctor_set(x_5, 0, x_26);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_5);
-return x_28;
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_2);
+lean_ctor_set(x_22, 1, x_3);
+x_23 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_21, x_1, x_22);
+x_24 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_24, 0, x_14);
+lean_ctor_set(x_24, 1, x_15);
+lean_ctor_set(x_24, 2, x_16);
+lean_ctor_set(x_24, 3, x_17);
+lean_ctor_set(x_24, 4, x_18);
+lean_ctor_set(x_24, 5, x_19);
+lean_ctor_set(x_24, 6, x_20);
+lean_ctor_set(x_24, 7, x_23);
+lean_ctor_set(x_5, 0, x_24);
+x_25 = lean_box(0);
+x_26 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_26, 0, x_25);
+lean_ctor_set(x_26, 1, x_5);
+return x_26;
 }
 }
 else
 {
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_29 = lean_ctor_get(x_5, 0);
-x_30 = lean_ctor_get(x_5, 1);
-x_31 = lean_ctor_get(x_5, 2);
-x_32 = lean_ctor_get(x_5, 3);
-lean_inc(x_32);
-lean_inc(x_31);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_27 = lean_ctor_get(x_5, 0);
+x_28 = lean_ctor_get(x_5, 1);
+x_29 = lean_ctor_get(x_5, 2);
+x_30 = lean_ctor_get(x_5, 3);
 lean_inc(x_30);
 lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
 lean_dec(x_5);
-x_33 = lean_ctor_get(x_29, 0);
+x_31 = lean_ctor_get(x_27, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_27, 1);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_27, 2);
 lean_inc(x_33);
-x_34 = lean_ctor_get(x_29, 1);
+x_34 = lean_ctor_get(x_27, 3);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 2);
+x_35 = lean_ctor_get(x_27, 4);
 lean_inc(x_35);
-x_36 = lean_ctor_get(x_29, 3);
+x_36 = lean_ctor_get(x_27, 5);
 lean_inc(x_36);
-x_37 = lean_ctor_get(x_29, 4);
+x_37 = lean_ctor_get(x_27, 6);
 lean_inc(x_37);
-x_38 = lean_ctor_get(x_29, 5);
+x_38 = lean_ctor_get(x_27, 7);
 lean_inc(x_38);
-x_39 = lean_ctor_get(x_29, 6);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_29, 7);
-lean_inc(x_40);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- lean_ctor_release(x_29, 2);
- lean_ctor_release(x_29, 3);
- lean_ctor_release(x_29, 4);
- lean_ctor_release(x_29, 5);
- lean_ctor_release(x_29, 6);
- lean_ctor_release(x_29, 7);
- x_41 = x_29;
+if (lean_is_exclusive(x_27)) {
+ lean_ctor_release(x_27, 0);
+ lean_ctor_release(x_27, 1);
+ lean_ctor_release(x_27, 2);
+ lean_ctor_release(x_27, 3);
+ lean_ctor_release(x_27, 4);
+ lean_ctor_release(x_27, 5);
+ lean_ctor_release(x_27, 6);
+ lean_ctor_release(x_27, 7);
+ x_39 = x_27;
 } else {
- lean_dec_ref(x_29);
- x_41 = lean_box(0);
+ lean_dec_ref(x_27);
+ x_39 = lean_box(0);
 }
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_2);
-lean_ctor_set(x_42, 1, x_3);
-x_43 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_40, x_1, x_42);
-x_44 = 1;
-if (lean_is_scalar(x_41)) {
- x_45 = lean_alloc_ctor(0, 8, 1);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_2);
+lean_ctor_set(x_40, 1, x_3);
+x_41 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_38, x_1, x_40);
+if (lean_is_scalar(x_39)) {
+ x_42 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_45 = x_41;
+ x_42 = x_39;
 }
-lean_ctor_set(x_45, 0, x_33);
-lean_ctor_set(x_45, 1, x_34);
-lean_ctor_set(x_45, 2, x_35);
-lean_ctor_set(x_45, 3, x_36);
-lean_ctor_set(x_45, 4, x_37);
-lean_ctor_set(x_45, 5, x_38);
-lean_ctor_set(x_45, 6, x_39);
-lean_ctor_set(x_45, 7, x_43);
-lean_ctor_set_uint8(x_45, sizeof(void*)*8, x_44);
-x_46 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_30);
-lean_ctor_set(x_46, 2, x_31);
-lean_ctor_set(x_46, 3, x_32);
-x_47 = lean_box(0);
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
-return x_48;
+lean_ctor_set(x_42, 0, x_31);
+lean_ctor_set(x_42, 1, x_32);
+lean_ctor_set(x_42, 2, x_33);
+lean_ctor_set(x_42, 3, x_34);
+lean_ctor_set(x_42, 4, x_35);
+lean_ctor_set(x_42, 5, x_36);
+lean_ctor_set(x_42, 6, x_37);
+lean_ctor_set(x_42, 7, x_41);
+x_43 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_28);
+lean_ctor_set(x_43, 2, x_29);
+lean_ctor_set(x_43, 3, x_30);
+x_44 = lean_box(0);
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_44);
+lean_ctor_set(x_45, 1, x_43);
+return x_45;
 }
 }
 }
@@ -77251,25 +74219,6 @@ x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarC
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l_Lean_markUsedAssignment___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_5;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -77279,16 +74228,28 @@ lean_dec(x_2);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_1, x_2);
+x_3 = l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__4(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+size_t x_7; size_t x_8; lean_object* x_9; 
+x_7 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_8 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(x_1, x_7, x_8, x_4, x_5, x_6);
+return x_9;
+}
+}
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -77409,18 +74370,6 @@ x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarC
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-size_t x_7; size_t x_8; lean_object* x_9; 
-x_7 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_8 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__16(x_1, x_7, x_8, x_4, x_5, x_6);
-return x_9;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MVarId_isAssignable___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -82865,30 +79814,27 @@ x_6 = lean_ctor_get(x_4, 0);
 x_7 = !lean_is_exclusive(x_6);
 if (x_7 == 0)
 {
-lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
 x_8 = lean_ctor_get(x_6, 5);
 x_9 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_8, x_1, x_2);
-x_10 = 1;
 lean_ctor_set(x_6, 5, x_9);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_10);
-x_11 = lean_box(0);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_4);
-return x_12;
+x_10 = lean_box(0);
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_4);
+return x_11;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_13 = lean_ctor_get(x_6, 0);
-x_14 = lean_ctor_get(x_6, 1);
-x_15 = lean_ctor_get(x_6, 2);
-x_16 = lean_ctor_get(x_6, 3);
-x_17 = lean_ctor_get(x_6, 4);
-x_18 = lean_ctor_get(x_6, 5);
-x_19 = lean_ctor_get(x_6, 6);
-x_20 = lean_ctor_get(x_6, 7);
-lean_inc(x_20);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_12 = lean_ctor_get(x_6, 0);
+x_13 = lean_ctor_get(x_6, 1);
+x_14 = lean_ctor_get(x_6, 2);
+x_15 = lean_ctor_get(x_6, 3);
+x_16 = lean_ctor_get(x_6, 4);
+x_17 = lean_ctor_get(x_6, 5);
+x_18 = lean_ctor_get(x_6, 6);
+x_19 = lean_ctor_get(x_6, 7);
 lean_inc(x_19);
 lean_inc(x_18);
 lean_inc(x_17);
@@ -82896,246 +79842,95 @@ lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
-lean_dec(x_6);
-x_21 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_18, x_1, x_2);
-x_22 = 1;
-x_23 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_23, 0, x_13);
-lean_ctor_set(x_23, 1, x_14);
-lean_ctor_set(x_23, 2, x_15);
-lean_ctor_set(x_23, 3, x_16);
-lean_ctor_set(x_23, 4, x_17);
-lean_ctor_set(x_23, 5, x_21);
-lean_ctor_set(x_23, 6, x_19);
-lean_ctor_set(x_23, 7, x_20);
-lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_22);
-lean_ctor_set(x_4, 0, x_23);
-x_24 = lean_box(0);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_4);
-return x_25;
-}
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_26 = lean_ctor_get(x_4, 0);
-x_27 = lean_ctor_get(x_4, 1);
-x_28 = lean_ctor_get(x_4, 2);
-x_29 = lean_ctor_get(x_4, 3);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_4);
-x_30 = lean_ctor_get(x_26, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_26, 1);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_26, 2);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_26, 3);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_26, 4);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_26, 5);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_26, 6);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_26, 7);
-lean_inc(x_37);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_38 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_38 = lean_box(0);
-}
-x_39 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_35, x_1, x_2);
-x_40 = 1;
-if (lean_is_scalar(x_38)) {
- x_41 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_41 = x_38;
-}
-lean_ctor_set(x_41, 0, x_30);
-lean_ctor_set(x_41, 1, x_31);
-lean_ctor_set(x_41, 2, x_32);
-lean_ctor_set(x_41, 3, x_33);
-lean_ctor_set(x_41, 4, x_34);
-lean_ctor_set(x_41, 5, x_39);
-lean_ctor_set(x_41, 6, x_36);
-lean_ctor_set(x_41, 7, x_37);
-lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_40);
-x_42 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_27);
-lean_ctor_set(x_42, 2, x_28);
-lean_ctor_set(x_42, 3, x_29);
-x_43 = lean_box(0);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___rarg(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-lean_object* x_3; uint8_t x_4; 
-x_3 = lean_ctor_get(x_1, 0);
-x_4 = !lean_is_exclusive(x_3);
-if (x_4 == 0)
-{
-uint8_t x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = 1;
-lean_ctor_set_uint8(x_3, sizeof(void*)*8, x_5);
-x_6 = lean_box(0);
-x_7 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_7, 0, x_6);
-lean_ctor_set(x_7, 1, x_1);
-return x_7;
-}
-else
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_8 = lean_ctor_get(x_3, 0);
-x_9 = lean_ctor_get(x_3, 1);
-x_10 = lean_ctor_get(x_3, 2);
-x_11 = lean_ctor_get(x_3, 3);
-x_12 = lean_ctor_get(x_3, 4);
-x_13 = lean_ctor_get(x_3, 5);
-x_14 = lean_ctor_get(x_3, 6);
-x_15 = lean_ctor_get(x_3, 7);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
 lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_dec(x_3);
-x_16 = 1;
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_8);
-lean_ctor_set(x_17, 1, x_9);
-lean_ctor_set(x_17, 2, x_10);
-lean_ctor_set(x_17, 3, x_11);
-lean_ctor_set(x_17, 4, x_12);
-lean_ctor_set(x_17, 5, x_13);
-lean_ctor_set(x_17, 6, x_14);
-lean_ctor_set(x_17, 7, x_15);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_16);
-lean_ctor_set(x_1, 0, x_17);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_1);
-return x_19;
+lean_dec(x_6);
+x_20 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_17, x_1, x_2);
+x_21 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_21, 0, x_12);
+lean_ctor_set(x_21, 1, x_13);
+lean_ctor_set(x_21, 2, x_14);
+lean_ctor_set(x_21, 3, x_15);
+lean_ctor_set(x_21, 4, x_16);
+lean_ctor_set(x_21, 5, x_20);
+lean_ctor_set(x_21, 6, x_18);
+lean_ctor_set(x_21, 7, x_19);
+lean_ctor_set(x_4, 0, x_21);
+x_22 = lean_box(0);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_4);
+return x_23;
 }
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_20 = lean_ctor_get(x_1, 0);
-x_21 = lean_ctor_get(x_1, 1);
-x_22 = lean_ctor_get(x_1, 2);
-x_23 = lean_ctor_get(x_1, 3);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_1);
-x_24 = lean_ctor_get(x_20, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_20, 1);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_20, 2);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_20, 3);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_24 = lean_ctor_get(x_4, 0);
+x_25 = lean_ctor_get(x_4, 1);
+x_26 = lean_ctor_get(x_4, 2);
+x_27 = lean_ctor_get(x_4, 3);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_20, 4);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_4);
+x_28 = lean_ctor_get(x_24, 0);
 lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 5);
+x_29 = lean_ctor_get(x_24, 1);
 lean_inc(x_29);
-x_30 = lean_ctor_get(x_20, 6);
+x_30 = lean_ctor_get(x_24, 2);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_20, 7);
+x_31 = lean_ctor_get(x_24, 3);
 lean_inc(x_31);
-if (lean_is_exclusive(x_20)) {
- lean_ctor_release(x_20, 0);
- lean_ctor_release(x_20, 1);
- lean_ctor_release(x_20, 2);
- lean_ctor_release(x_20, 3);
- lean_ctor_release(x_20, 4);
- lean_ctor_release(x_20, 5);
- lean_ctor_release(x_20, 6);
- lean_ctor_release(x_20, 7);
- x_32 = x_20;
+x_32 = lean_ctor_get(x_24, 4);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_24, 5);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_24, 6);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_24, 7);
+lean_inc(x_35);
+if (lean_is_exclusive(x_24)) {
+ lean_ctor_release(x_24, 0);
+ lean_ctor_release(x_24, 1);
+ lean_ctor_release(x_24, 2);
+ lean_ctor_release(x_24, 3);
+ lean_ctor_release(x_24, 4);
+ lean_ctor_release(x_24, 5);
+ lean_ctor_release(x_24, 6);
+ lean_ctor_release(x_24, 7);
+ x_36 = x_24;
 } else {
- lean_dec_ref(x_20);
- x_32 = lean_box(0);
+ lean_dec_ref(x_24);
+ x_36 = lean_box(0);
 }
-x_33 = 1;
-if (lean_is_scalar(x_32)) {
- x_34 = lean_alloc_ctor(0, 8, 1);
+x_37 = l_Std_PersistentHashMap_insert___at_Lean_assignLevelMVar___spec__1(x_33, x_1, x_2);
+if (lean_is_scalar(x_36)) {
+ x_38 = lean_alloc_ctor(0, 8, 0);
 } else {
- x_34 = x_32;
+ x_38 = x_36;
 }
-lean_ctor_set(x_34, 0, x_24);
-lean_ctor_set(x_34, 1, x_25);
-lean_ctor_set(x_34, 2, x_26);
-lean_ctor_set(x_34, 3, x_27);
-lean_ctor_set(x_34, 4, x_28);
-lean_ctor_set(x_34, 5, x_29);
-lean_ctor_set(x_34, 6, x_30);
-lean_ctor_set(x_34, 7, x_31);
-lean_ctor_set_uint8(x_34, sizeof(void*)*8, x_33);
-x_35 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_21);
-lean_ctor_set(x_35, 2, x_22);
-lean_ctor_set(x_35, 3, x_23);
-x_36 = lean_box(0);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_35);
-return x_37;
+lean_ctor_set(x_38, 0, x_28);
+lean_ctor_set(x_38, 1, x_29);
+lean_ctor_set(x_38, 2, x_30);
+lean_ctor_set(x_38, 3, x_31);
+lean_ctor_set(x_38, 4, x_32);
+lean_ctor_set(x_38, 5, x_37);
+lean_ctor_set(x_38, 6, x_34);
+lean_ctor_set(x_38, 7, x_35);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_25);
+lean_ctor_set(x_39, 2, x_26);
+lean_ctor_set(x_39, 3, x_27);
+x_40 = lean_box(0);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+return x_41;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___rarg), 1, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_5, 0, x_1);
-lean_ctor_set(x_5, 1, x_4);
-return x_5;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -83504,29 +80299,24 @@ return x_98;
 }
 else
 {
-lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+lean_object* x_99; 
 lean_dec(x_82);
 lean_dec(x_1);
 x_99 = lean_ctor_get(x_85, 0);
 lean_inc(x_99);
 lean_dec(x_85);
-x_100 = l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___rarg(x_3);
-x_101 = lean_ctor_get(x_100, 1);
-lean_inc(x_101);
-lean_dec(x_100);
 x_1 = x_99;
-x_3 = x_101;
 goto _start;
 }
 }
 default: 
 {
-lean_object* x_103; 
+lean_object* x_101; 
 lean_dec(x_2);
-x_103 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_103, 0, x_1);
-lean_ctor_set(x_103, 1, x_3);
-return x_103;
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_1);
+lean_ctor_set(x_101, 1, x_3);
+return x_101;
 }
 }
 }
@@ -83540,25 +80330,6 @@ lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_MetavarContext_LevelMVarToParam_visitLevel___lambda__1(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_5;
-}
-}
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__1(size_t x_1, size_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -83599,44 +80370,15 @@ goto _start;
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; 
+lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_4 = lean_ctor_get(x_3, 0);
 lean_inc(x_4);
 x_5 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_4, x_1);
-if (lean_obj_tag(x_5) == 0)
-{
-lean_object* x_6; 
 x_6 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_6, 0, x_5);
 lean_ctor_set(x_6, 1, x_3);
 return x_6;
 }
-else
-{
-lean_object* x_7; uint8_t x_8; 
-x_7 = l_Lean_markUsedAssignment___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__2___rarg(x_3);
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; 
-x_9 = lean_ctor_get(x_7, 0);
-lean_dec(x_9);
-lean_ctor_set(x_7, 0, x_5);
-return x_7;
-}
-else
-{
-lean_object* x_10; lean_object* x_11; 
-x_10 = lean_ctor_get(x_7, 1);
-lean_inc(x_10);
-lean_dec(x_7);
-x_11 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_11, 0, x_5);
-lean_ctor_set(x_11, 1, x_10);
-return x_11;
-}
-}
-}
 }
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_main_visitApp(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
@@ -84924,9 +81666,6 @@ l_Lean_MetavarContext_eAssignment___default = _init_l_Lean_MetavarContext_eAssig
 lean_mark_persistent(l_Lean_MetavarContext_eAssignment___default);
 l_Lean_MetavarContext_dAssignment___default = _init_l_Lean_MetavarContext_dAssignment___default();
 lean_mark_persistent(l_Lean_MetavarContext_dAssignment___default);
-l_Lean_MetavarContext_usedAssignment___default = _init_l_Lean_MetavarContext_usedAssignment___default();
-l_Lean_markUsedAssignment___rarg___closed__1 = _init_l_Lean_markUsedAssignment___rarg___closed__1();
-lean_mark_persistent(l_Lean_markUsedAssignment___rarg___closed__1);
 l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__1 = _init_l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__1();
 l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__2 = _init_l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__2();
 l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1 = _init_l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1();
@@ -85033,8 +81772,8 @@ l_Lean_DependsOn_instMonadMCtxM = _init_l_Lean_DependsOn_instMonadMCtxM();
 lean_mark_persistent(l_Lean_DependsOn_instMonadMCtxM);
 l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___closed__1 = _init_l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___closed__1();
 lean_mark_persistent(l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___closed__1);
-l_Lean_findExprDependsOn___rarg___lambda__2___closed__1 = _init_l_Lean_findExprDependsOn___rarg___lambda__2___closed__1();
-lean_mark_persistent(l_Lean_findExprDependsOn___rarg___lambda__2___closed__1);
+l_Lean_findExprDependsOn___rarg___lambda__3___closed__1 = _init_l_Lean_findExprDependsOn___rarg___lambda__3___closed__1();
+lean_mark_persistent(l_Lean_findExprDependsOn___rarg___lambda__3___closed__1);
 l_Lean_MetavarContext_instInhabitedMetavarContext___closed__1 = _init_l_Lean_MetavarContext_instInhabitedMetavarContext___closed__1();
 lean_mark_persistent(l_Lean_MetavarContext_instInhabitedMetavarContext___closed__1);
 l_Lean_MetavarContext_instInhabitedMetavarContext = _init_l_Lean_MetavarContext_instInhabitedMetavarContext();
diff --git a/stage0/stdlib/Lean/ParserCompiler.c b/stage0/stdlib/Lean/ParserCompiler.c
index ea30288b62..305db0a6ec 100644
--- a/stage0/stdlib/Lean/ParserCompiler.c
+++ b/stage0/stdlib/Lean/ParserCompiler.c
@@ -37042,23 +37042,21 @@ return x_3;
 static lean_object* _init_l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__16() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__13;
 x_3 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__14;
 x_4 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__15;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__17() {
@@ -37147,14 +37145,13 @@ x_1 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__
 x_2 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__19;
 x_3 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__20;
 x_4 = l_Lean_ParserCompiler_registerParserCompiler___rarg___lambda__1___closed__23;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/PrettyPrinter.c b/stage0/stdlib/Lean/PrettyPrinter.c
index 55f3da7acd..35d89eb80b 100644
--- a/stage0/stdlib/Lean/PrettyPrinter.c
+++ b/stage0/stdlib/Lean/PrettyPrinter.c
@@ -690,14 +690,13 @@ x_1 = l_Lean_PPContext_runMetaM___rarg___closed__2;
 x_2 = l_Lean_PPContext_runMetaM___rarg___closed__4;
 x_3 = l_Lean_PPContext_runMetaM___rarg___closed__5;
 x_4 = l_Lean_PPContext_runMetaM___rarg___closed__8;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
diff --git a/stage0/stdlib/Lean/PrettyPrinter/Delaborator/TopDownAnalyze.c b/stage0/stdlib/Lean/PrettyPrinter/Delaborator/TopDownAnalyze.c
index b5a615ee63..0d2d604a41 100644
--- a/stage0/stdlib/Lean/PrettyPrinter/Delaborator/TopDownAnalyze.c
+++ b/stage0/stdlib/Lean/PrettyPrinter/Delaborator/TopDownAnalyze.c
@@ -75,6 +75,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinO
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeMData___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_withMDataExpr___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeMData___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinOp___lambda__1___closed__27;
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeLet___spec__25(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_tryUnify___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_canBottomUp___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -170,6 +171,7 @@ LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_getPos___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_applyFunBinderHeuristic___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_withBindingBody___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_applyFunBinderHeuristic_core___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__1;
 static lean_object* l_Lean_getPPAnalysisBlockImplicit___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_maybeSetExplicit___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_withLetBody___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeLet___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -247,6 +249,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM__
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_collectHigherOrders___spec__1___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinOp___lambda__1___closed__61;
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_maybeSetExplicit___spec__4(lean_object*);
 lean_object* l_Lean_MVarId_getDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -308,6 +311,7 @@ static lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_withProj___at_Lean_
 static lean_object* l_Lean_getPPAnalysisNeedsType___closed__1;
 LEAN_EXPORT uint8_t l_List_foldr___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeConst___spec__2(uint8_t, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeApp___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_analyzeArg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeMData___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -376,12 +380,15 @@ static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_anal
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_collectTrivialBottomUps___spec__1___boxed(lean_object**);
 static lean_object* l_Lean_getPPAnalysisSkip___closed__2;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
+static lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4;
 lean_object* l_Lean_Elab_Term_setElabConfig(lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at_Lean_PrettyPrinter_Delaborator_topDownAnalyze___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeProj___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_initFn____x40_Lean_PrettyPrinter_Delaborator_TopDownAnalyze___hyg_3395____closed__1;
+extern lean_object* l_Lean_Expr_instHashableExpr;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_analyzeArg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHigherOrder___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getPPAnalyzeTrustId___boxed(lean_object*);
 lean_object* l_StateT_lift___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -487,6 +494,7 @@ static lean_object* l_Lean_initFn____x40_Lean_PrettyPrinter_Delaborator_TopDownA
 LEAN_EXPORT lean_object* l_panic___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeProj___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_collectHigherOrders___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinOp(lean_object*);
+lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isFunLike___closed__1;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_SubExpr_withNaryArg___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_applyFunBinderHeuristic___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinOp___lambda__1___closed__16;
@@ -674,6 +682,7 @@ lean_object* l_StateT_instMonadStateT___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_topDownAnalyze(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_maybeSetExplicit___spec__6___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore_collectBottomUps___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_instHashableProd___rarg___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_PrettyPrinter_Delaborator_topDownAnalyze___closed__2;
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyze_analyzeConst___closed__2;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_canBottomUp___spec__1___closed__1;
@@ -696,6 +705,7 @@ LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_PrettyPrinter_Delaborator_TopD
 static lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHBinOp___lambda__1___closed__46;
 uint8_t l_Lean_Expr_isAtomic(lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashMap_insert___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___spec__2(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_instBEqExpr;
 LEAN_EXPORT lean_object* l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_analyzeAppStagedCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_pp_analyze_trustCoe;
 static lean_object* l_Lean_getPPAnalysisSkip___closed__4;
@@ -5345,226 +5355,799 @@ return x_52;
 }
 }
 }
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Expr_instBEqExpr;
+x_2 = lean_alloc_closure((void*)(l_instBEqProd___rarg), 4, 2);
+lean_closure_set(x_2, 0, x_1);
+lean_closure_set(x_2, 1, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Expr_instHashableExpr;
+x_2 = lean_alloc_closure((void*)(l_instHashableProd___rarg___boxed), 3, 2);
+lean_closure_set(x_2, 0, x_1);
+lean_closure_set(x_2, 1, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_box(0), lean_box(0));
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4;
+x_2 = lean_unsigned_to_nat(0u);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
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+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
 x_9 = l_Lean_Meta_saveState___rarg(x_5, x_6, x_7, x_8);
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 lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_11);
-x_13 = lean_ctor_get(x_12, 0);
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+x_13 = lean_ctor_get(x_12, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
 lean_dec(x_12);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_23 = l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isDefEqAssigning(x_1, x_2, x_4, x_5, x_6, x_7, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_14 = lean_st_ref_take(x_5, x_13);
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+lean_inc(x_15);
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = !lean_is_exclusive(x_15);
+if (x_18 == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_dec(x_19);
+x_20 = !lean_is_exclusive(x_16);
+if (x_20 == 0)
+{
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+lean_ctor_set(x_16, 5, x_22);
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 lean_inc(x_24);
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-{
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-lean_dec(x_13);
-x_26 = lean_ctor_get(x_23, 1);
+lean_dec(x_23);
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-lean_dec(x_23);
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-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
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-{
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-return x_27;
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-{
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-lean_dec(x_27);
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-{
-lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_23, 1);
-lean_inc(x_36);
-lean_dec(x_23);
-x_37 = 0;
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
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-if (lean_obj_tag(x_38) == 0)
+x_36 = l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isDefEqAssigning(x_1, x_2, x_4, x_5, x_6, x_7, x_27);
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 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_38, 0);
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+x_37 = lean_ctor_get(x_36, 0);
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+lean_dec(x_37);
+if (x_38 == 0)
+{
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+lean_dec(x_26);
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 lean_inc(x_39);
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-lean_dec(x_39);
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-{
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-lean_dec(x_38);
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 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
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 {
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-lean_ctor_set(x_42, 0, x_45);
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+lean_dec(x_42);
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+lean_ctor_set(x_40, 0, x_44);
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 }
 else
 {
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-lean_dec(x_42);
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 lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
+lean_ctor_set(x_48, 1, x_45);
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 }
 }
 else
 {
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-lean_dec(x_10);
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+lean_object* x_49; uint8_t x_50; lean_object* x_51; 
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 lean_inc(x_49);
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-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_dec(x_36);
+x_50 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_51 = l_Lean_Meta_processPostponed(x_3, x_50, x_4, x_5, x_6, x_7, x_49);
+if (lean_obj_tag(x_51) == 0)
+{
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 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Std_PersistentArray_append___rarg(x_13, x_51);
-x_54 = l_Lean_Meta_setPostponed(x_53, x_4, x_5, x_6, x_7, x_52);
+x_53 = lean_unbox(x_52);
+lean_dec(x_52);
+if (x_53 == 0)
+{
+lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+lean_dec(x_26);
+x_54 = lean_ctor_get(x_51, 1);
+lean_inc(x_54);
+lean_dec(x_51);
+x_55 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_54);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_55 = !lean_is_exclusive(x_54);
-if (x_55 == 0)
+lean_dec(x_10);
+x_56 = !lean_is_exclusive(x_55);
+if (x_56 == 0)
 {
-lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_54, 0);
-lean_dec(x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_54, 0, x_58);
-return x_54;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_55, 0);
+lean_dec(x_57);
+x_58 = lean_box(x_50);
+lean_ctor_set(x_55, 0, x_58);
+return x_55;
 }
 else
 {
-lean_object* x_59; uint8_t x_60; lean_object* x_61; lean_object* x_62; 
-x_59 = lean_ctor_get(x_54, 1);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_55, 1);
 lean_inc(x_59);
-lean_dec(x_54);
-x_60 = 1;
-x_61 = lean_box(x_60);
-x_62 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_62, 0, x_61);
-lean_ctor_set(x_62, 1, x_59);
-return x_62;
-}
+lean_dec(x_55);
+x_60 = lean_box(x_50);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 else
 {
-lean_object* x_63; lean_object* x_64; 
-lean_dec(x_13);
-x_63 = lean_ctor_get(x_38, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_38, 1);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
+lean_dec(x_10);
+x_62 = lean_ctor_get(x_51, 1);
+lean_inc(x_62);
+lean_dec(x_51);
+x_63 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-lean_dec(x_38);
-x_15 = x_63;
-x_16 = x_64;
-goto block_22;
-}
-}
-}
-else
-{
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_13);
-x_65 = lean_ctor_get(x_23, 0);
+x_65 = lean_ctor_get(x_63, 1);
 lean_inc(x_65);
-x_66 = lean_ctor_get(x_23, 1);
-lean_inc(x_66);
-lean_dec(x_23);
-x_15 = x_65;
-x_16 = x_66;
-goto block_22;
-}
-block_22:
-{
-lean_object* x_17; uint8_t x_18; 
-x_17 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_16);
+lean_dec(x_63);
+x_66 = l_Std_PersistentArray_append___rarg(x_26, x_64);
+x_67 = l_Lean_Meta_setPostponed(x_66, x_4, x_5, x_6, x_7, x_65);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
+x_68 = !lean_is_exclusive(x_67);
+if (x_68 == 0)
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_dec(x_19);
-lean_ctor_set_tag(x_17, 1);
-lean_ctor_set(x_17, 0, x_15);
-return x_17;
+lean_object* x_69; uint8_t x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_67, 0);
+lean_dec(x_69);
+x_70 = 1;
+x_71 = lean_box(x_70);
+lean_ctor_set(x_67, 0, x_71);
+return x_67;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_15);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; 
+x_72 = lean_ctor_get(x_67, 1);
+lean_inc(x_72);
+lean_dec(x_67);
+x_73 = 1;
+x_74 = lean_box(x_73);
+x_75 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_75, 0, x_74);
+lean_ctor_set(x_75, 1, x_72);
+return x_75;
+}
+}
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+lean_dec(x_26);
+x_76 = lean_ctor_get(x_51, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_51, 1);
+lean_inc(x_77);
+lean_dec(x_51);
+x_28 = x_76;
+x_29 = x_77;
+goto block_35;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; 
+lean_dec(x_26);
+x_78 = lean_ctor_get(x_36, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_36, 1);
+lean_inc(x_79);
+lean_dec(x_36);
+x_28 = x_78;
+x_29 = x_79;
+goto block_35;
+}
+block_35:
+{
+lean_object* x_30; uint8_t x_31; 
+x_30 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_29);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+lean_ctor_set_tag(x_30, 1);
+lean_ctor_set(x_30, 0, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_28);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
+}
+}
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_99; 
+x_80 = lean_ctor_get(x_16, 0);
+x_81 = lean_ctor_get(x_16, 1);
+x_82 = lean_ctor_get(x_16, 2);
+x_83 = lean_ctor_get(x_16, 3);
+x_84 = lean_ctor_get(x_16, 4);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_inc(x_80);
+lean_dec(x_16);
+x_85 = l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5;
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_80);
+lean_ctor_set(x_86, 1, x_81);
+lean_ctor_set(x_86, 2, x_82);
+lean_ctor_set(x_86, 3, x_83);
+lean_ctor_set(x_86, 4, x_84);
+lean_ctor_set(x_86, 5, x_85);
+lean_ctor_set(x_15, 1, x_86);
+x_87 = lean_st_ref_set(x_5, x_15, x_17);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+lean_dec(x_87);
+x_89 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_88);
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_ctor_get(x_89, 1);
+lean_inc(x_91);
+lean_dec(x_89);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_99 = l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isDefEqAssigning(x_1, x_2, x_4, x_5, x_6, x_7, x_91);
+if (lean_obj_tag(x_99) == 0)
+{
+lean_object* x_100; uint8_t x_101; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_unbox(x_100);
+lean_dec(x_100);
+if (x_101 == 0)
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
+lean_dec(x_90);
+x_102 = lean_ctor_get(x_99, 1);
+lean_inc(x_102);
+lean_dec(x_99);
+x_103 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_102);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_104 = lean_ctor_get(x_103, 1);
+lean_inc(x_104);
+if (lean_is_exclusive(x_103)) {
+ lean_ctor_release(x_103, 0);
+ lean_ctor_release(x_103, 1);
+ x_105 = x_103;
+} else {
+ lean_dec_ref(x_103);
+ x_105 = lean_box(0);
+}
+x_106 = 0;
+x_107 = lean_box(x_106);
+if (lean_is_scalar(x_105)) {
+ x_108 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_108 = x_105;
+}
+lean_ctor_set(x_108, 0, x_107);
+lean_ctor_set(x_108, 1, x_104);
+return x_108;
+}
+else
+{
+lean_object* x_109; uint8_t x_110; lean_object* x_111; 
+x_109 = lean_ctor_get(x_99, 1);
+lean_inc(x_109);
+lean_dec(x_99);
+x_110 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_111 = l_Lean_Meta_processPostponed(x_3, x_110, x_4, x_5, x_6, x_7, x_109);
+if (lean_obj_tag(x_111) == 0)
+{
+lean_object* x_112; uint8_t x_113; 
+x_112 = lean_ctor_get(x_111, 0);
+lean_inc(x_112);
+x_113 = lean_unbox(x_112);
+lean_dec(x_112);
+if (x_113 == 0)
+{
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+lean_dec(x_90);
+x_114 = lean_ctor_get(x_111, 1);
+lean_inc(x_114);
+lean_dec(x_111);
+x_115 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_114);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_116 = lean_ctor_get(x_115, 1);
+lean_inc(x_116);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_117 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_117 = lean_box(0);
+}
+x_118 = lean_box(x_110);
+if (lean_is_scalar(x_117)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_117;
+}
+lean_ctor_set(x_119, 0, x_118);
+lean_ctor_set(x_119, 1, x_116);
+return x_119;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_10);
+x_120 = lean_ctor_get(x_111, 1);
+lean_inc(x_120);
+lean_dec(x_111);
+x_121 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_120);
+x_122 = lean_ctor_get(x_121, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_121, 1);
+lean_inc(x_123);
+lean_dec(x_121);
+x_124 = l_Std_PersistentArray_append___rarg(x_90, x_122);
+x_125 = l_Lean_Meta_setPostponed(x_124, x_4, x_5, x_6, x_7, x_123);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_126 = lean_ctor_get(x_125, 1);
+lean_inc(x_126);
+if (lean_is_exclusive(x_125)) {
+ lean_ctor_release(x_125, 0);
+ lean_ctor_release(x_125, 1);
+ x_127 = x_125;
+} else {
+ lean_dec_ref(x_125);
+ x_127 = lean_box(0);
+}
+x_128 = 1;
+x_129 = lean_box(x_128);
+if (lean_is_scalar(x_127)) {
+ x_130 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_130 = x_127;
+}
+lean_ctor_set(x_130, 0, x_129);
+lean_ctor_set(x_130, 1, x_126);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; 
+lean_dec(x_90);
+x_131 = lean_ctor_get(x_111, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_111, 1);
+lean_inc(x_132);
+lean_dec(x_111);
+x_92 = x_131;
+x_93 = x_132;
+goto block_98;
+}
+}
+}
+else
+{
+lean_object* x_133; lean_object* x_134; 
+lean_dec(x_90);
+x_133 = lean_ctor_get(x_99, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_99, 1);
+lean_inc(x_134);
+lean_dec(x_99);
+x_92 = x_133;
+x_93 = x_134;
+goto block_98;
+}
+block_98:
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_94 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_93);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_96 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+ lean_ctor_set_tag(x_97, 1);
+}
+lean_ctor_set(x_97, 0, x_92);
+lean_ctor_set(x_97, 1, x_95);
+return x_97;
+}
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_159; 
+x_135 = lean_ctor_get(x_15, 0);
+x_136 = lean_ctor_get(x_15, 2);
+x_137 = lean_ctor_get(x_15, 3);
+lean_inc(x_137);
+lean_inc(x_136);
+lean_inc(x_135);
+lean_dec(x_15);
+x_138 = lean_ctor_get(x_16, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_16, 1);
+lean_inc(x_139);
+x_140 = lean_ctor_get(x_16, 2);
+lean_inc(x_140);
+x_141 = lean_ctor_get(x_16, 3);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_16, 4);
+lean_inc(x_142);
+if (lean_is_exclusive(x_16)) {
+ lean_ctor_release(x_16, 0);
+ lean_ctor_release(x_16, 1);
+ lean_ctor_release(x_16, 2);
+ lean_ctor_release(x_16, 3);
+ lean_ctor_release(x_16, 4);
+ lean_ctor_release(x_16, 5);
+ x_143 = x_16;
+} else {
+ lean_dec_ref(x_16);
+ x_143 = lean_box(0);
+}
+x_144 = l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5;
+if (lean_is_scalar(x_143)) {
+ x_145 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_145 = x_143;
+}
+lean_ctor_set(x_145, 0, x_138);
+lean_ctor_set(x_145, 1, x_139);
+lean_ctor_set(x_145, 2, x_140);
+lean_ctor_set(x_145, 3, x_141);
+lean_ctor_set(x_145, 4, x_142);
+lean_ctor_set(x_145, 5, x_144);
+x_146 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_146, 0, x_135);
+lean_ctor_set(x_146, 1, x_145);
+lean_ctor_set(x_146, 2, x_136);
+lean_ctor_set(x_146, 3, x_137);
+x_147 = lean_st_ref_set(x_5, x_146, x_17);
+x_148 = lean_ctor_get(x_147, 1);
+lean_inc(x_148);
+lean_dec(x_147);
+x_149 = l_Lean_Meta_getResetPostponed(x_4, x_5, x_6, x_7, x_148);
+x_150 = lean_ctor_get(x_149, 0);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_149, 1);
+lean_inc(x_151);
+lean_dec(x_149);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_159 = l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isDefEqAssigning(x_1, x_2, x_4, x_5, x_6, x_7, x_151);
+if (lean_obj_tag(x_159) == 0)
+{
+lean_object* x_160; uint8_t x_161; 
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_unbox(x_160);
+lean_dec(x_160);
+if (x_161 == 0)
+{
+lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; uint8_t x_166; lean_object* x_167; lean_object* x_168; 
+lean_dec(x_150);
+x_162 = lean_ctor_get(x_159, 1);
+lean_inc(x_162);
+lean_dec(x_159);
+x_163 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_162);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_164 = lean_ctor_get(x_163, 1);
+lean_inc(x_164);
+if (lean_is_exclusive(x_163)) {
+ lean_ctor_release(x_163, 0);
+ lean_ctor_release(x_163, 1);
+ x_165 = x_163;
+} else {
+ lean_dec_ref(x_163);
+ x_165 = lean_box(0);
+}
+x_166 = 0;
+x_167 = lean_box(x_166);
+if (lean_is_scalar(x_165)) {
+ x_168 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_168 = x_165;
+}
+lean_ctor_set(x_168, 0, x_167);
+lean_ctor_set(x_168, 1, x_164);
+return x_168;
+}
+else
+{
+lean_object* x_169; uint8_t x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_159, 1);
+lean_inc(x_169);
+lean_dec(x_159);
+x_170 = 0;
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_171 = l_Lean_Meta_processPostponed(x_3, x_170, x_4, x_5, x_6, x_7, x_169);
+if (lean_obj_tag(x_171) == 0)
+{
+lean_object* x_172; uint8_t x_173; 
+x_172 = lean_ctor_get(x_171, 0);
+lean_inc(x_172);
+x_173 = lean_unbox(x_172);
+lean_dec(x_172);
+if (x_173 == 0)
+{
+lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
+lean_dec(x_150);
+x_174 = lean_ctor_get(x_171, 1);
+lean_inc(x_174);
+lean_dec(x_171);
+x_175 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_174);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_176 = lean_ctor_get(x_175, 1);
+lean_inc(x_176);
+if (lean_is_exclusive(x_175)) {
+ lean_ctor_release(x_175, 0);
+ lean_ctor_release(x_175, 1);
+ x_177 = x_175;
+} else {
+ lean_dec_ref(x_175);
+ x_177 = lean_box(0);
+}
+x_178 = lean_box(x_170);
+if (lean_is_scalar(x_177)) {
+ x_179 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_179 = x_177;
+}
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_176);
+return x_179;
+}
+else
+{
+lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; uint8_t x_188; lean_object* x_189; lean_object* x_190; 
+lean_dec(x_10);
+x_180 = lean_ctor_get(x_171, 1);
+lean_inc(x_180);
+lean_dec(x_171);
+x_181 = l_Lean_Meta_getPostponed___rarg(x_5, x_6, x_7, x_180);
+x_182 = lean_ctor_get(x_181, 0);
+lean_inc(x_182);
+x_183 = lean_ctor_get(x_181, 1);
+lean_inc(x_183);
+lean_dec(x_181);
+x_184 = l_Std_PersistentArray_append___rarg(x_150, x_182);
+x_185 = l_Lean_Meta_setPostponed(x_184, x_4, x_5, x_6, x_7, x_183);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_186 = lean_ctor_get(x_185, 1);
+lean_inc(x_186);
+if (lean_is_exclusive(x_185)) {
+ lean_ctor_release(x_185, 0);
+ lean_ctor_release(x_185, 1);
+ x_187 = x_185;
+} else {
+ lean_dec_ref(x_185);
+ x_187 = lean_box(0);
+}
+x_188 = 1;
+x_189 = lean_box(x_188);
+if (lean_is_scalar(x_187)) {
+ x_190 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_190 = x_187;
+}
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_186);
+return x_190;
+}
+}
+else
+{
+lean_object* x_191; lean_object* x_192; 
+lean_dec(x_150);
+x_191 = lean_ctor_get(x_171, 0);
+lean_inc(x_191);
+x_192 = lean_ctor_get(x_171, 1);
+lean_inc(x_192);
+lean_dec(x_171);
+x_152 = x_191;
+x_153 = x_192;
+goto block_158;
+}
+}
+}
+else
+{
+lean_object* x_193; lean_object* x_194; 
+lean_dec(x_150);
+x_193 = lean_ctor_get(x_159, 0);
+lean_inc(x_193);
+x_194 = lean_ctor_get(x_159, 1);
+lean_inc(x_194);
+lean_dec(x_159);
+x_152 = x_193;
+x_153 = x_194;
+goto block_158;
+}
+block_158:
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
+x_154 = l_Lean_Meta_SavedState_restore(x_10, x_4, x_5, x_6, x_7, x_153);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_10);
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_156 = x_154;
+} else {
+ lean_dec_ref(x_154);
+ x_156 = lean_box(0);
+}
+if (lean_is_scalar(x_156)) {
+ x_157 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_157 = x_156;
+ lean_ctor_set_tag(x_157, 1);
+}
+lean_ctor_set(x_157, 0, x_152);
+lean_ctor_set(x_157, 1, x_155);
+return x_157;
 }
 }
 }
@@ -33207,6 +33790,16 @@ l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___lambda__2__
 lean_mark_persistent(l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___lambda__2___closed__2);
 l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___lambda__2___closed__3 = _init_l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___lambda__2___closed__3();
 lean_mark_persistent(l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_replaceLPsWithVars___lambda__2___closed__3);
+l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__1 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__1();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__1);
+l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__2 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__2();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__2);
+l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__3);
+l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__4);
+l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5 = _init_l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5();
+lean_mark_persistent(l_Lean_Meta_checkpointDefEq___at_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_checkpointDefEq___spec__1___closed__5);
 l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHigherOrder___closed__1 = _init_l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHigherOrder___closed__1();
 lean_mark_persistent(l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isHigherOrder___closed__1);
 l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isFunLike___closed__1 = _init_l_Lean_PrettyPrinter_Delaborator_TopDownAnalyze_isFunLike___closed__1();
diff --git a/stage0/stdlib/Lean/Server/Completion.c b/stage0/stdlib/Lean/Server/Completion.c
index 449b925b40..16f1f5878b 100644
--- a/stage0/stdlib/Lean/Server/Completion.c
+++ b/stage0/stdlib/Lean/Server/Completion.c
@@ -888,6 +888,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_14 = !lean_is_exclusive(x_13);
 if (x_14 == 0)
 {
@@ -922,6 +923,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_8);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -974,6 +976,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_15 = !lean_is_exclusive(x_14);
 if (x_15 == 0)
 {
@@ -1008,6 +1011,7 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
+lean_dec(x_9);
 x_22 = !lean_is_exclusive(x_21);
 if (x_22 == 0)
 {
diff --git a/stage0/stdlib/Lean/Server/FileWorker.c b/stage0/stdlib/Lean/Server/FileWorker.c
index 235a1a98fa..64588304ca 100644
--- a/stage0/stdlib/Lean/Server/FileWorker.c
+++ b/stage0/stdlib/Lean/Server/FileWorker.c
@@ -4270,23 +4270,21 @@ return x_3;
 static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__8() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__6;
 x_3 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__5;
 x_4 = l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__7;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Server_FileWorker_compileHeader___lambda__1___closed__9() {
diff --git a/stage0/stdlib/Lean/Server/References.c b/stage0/stdlib/Lean/Server/References.c
index 1046272a1a..409e0b419a 100644
--- a/stage0/stdlib/Lean/Server/References.c
+++ b/stage0/stdlib/Lean/Server/References.c
@@ -591,23 +591,21 @@ return x_3;
 static lean_object* _init_l_Lean_Server_instInhabitedReference___closed__16() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Server_instInhabitedReference___closed__14;
 x_3 = l_Lean_Server_instInhabitedReference___closed__15;
 x_4 = l_Lean_Server_instInhabitedReference___closed__7;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Server_instInhabitedReference___closed__17() {
diff --git a/stage0/stdlib/Lean/Server/Rpc/RequestHandling.c b/stage0/stdlib/Lean/Server/Rpc/RequestHandling.c
index e09b432224..b4fc208cfc 100644
--- a/stage0/stdlib/Lean/Server/Rpc/RequestHandling.c
+++ b/stage0/stdlib/Lean/Server/Rpc/RequestHandling.c
@@ -23,10 +23,9 @@ static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_h
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Server_registerRpcProcedure___lambda__2___boxed(lean_object*);
 lean_object* l_Lean_addMessageContextPartial___at_Lean_Core_instAddMessageContextCoreM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2;
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___closed__1;
 size_t lean_usize_add(size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Server_registerBuiltinRpcProcedure___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__11;
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__4___closed__1;
@@ -53,32 +52,38 @@ LEAN_EXPORT lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHand
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____closed__4;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__18;
 lean_object* l_Lean_Server_FileWorker_instMonadRpcSession___rarg(lean_object*, lean_object*);
+static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__19;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1;
+static lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1;
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_32____closed__1;
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1___closed__4;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__15;
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_73____closed__1;
 lean_object* l_Lean_setEnv___at_Lean_Meta_unfoldDeclsFrom___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__2___closed__1;
+LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_sub(size_t, size_t);
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__4___closed__2;
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____closed__1;
+LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__11;
 uint8_t l_Lean_isCasesOnRecursor(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____closed__6;
 lean_object* l_id___rarg___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_Server_registerBuiltinRpcProcedure___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed(lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
-static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3;
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Server_builtinRpcProcedures;
 LEAN_EXPORT lean_object* l_liftExcept___at_Lean_Server_wrapRpcProcedure___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3;
+LEAN_EXPORT lean_object* l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__8(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__1(lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
@@ -96,16 +101,13 @@ static lean_object* l_Lean_Server_registerBuiltinRpcProcedure___closed__2;
 static lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__4___closed__1;
 size_t lean_usize_shift_right(size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_Server_registerBuiltinRpcProcedure(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__7(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_utf8_byte_size(lean_object*);
 lean_object* l_List_head_x21___rarg(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1___closed__3;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__25;
 uint8_t l___private_Lean_Message_0__Lean_beqMessageSeverity____x40_Lean_Message___hyg_101_(uint8_t, uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
-static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_32____closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_contains___at_Lean_Server_registerBuiltinRpcProcedure___spec__5___boxed(lean_object*, lean_object*);
@@ -130,7 +132,7 @@ uint8_t l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(lean_object*, lea
 lean_object* l_Lean_MapDeclarationExtension_insert___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerRpcProcedure(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__13;
 LEAN_EXPORT lean_object* l_Lean_Server_userRpcProcedures;
 lean_object* l___private_Init_Meta_0__Lean_getEscapedNameParts_x3f(lean_object*, lean_object*);
@@ -139,17 +141,14 @@ lean_object* l_Lean_Json_compress(lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAux___at___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static size_t l_Std_PersistentHashMap_findAux___at___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___spec__2___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__8(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Server_registerRpcProcedure___lambda__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAux___at_Lean_Server_registerBuiltinRpcProcedure___spec__6___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_instInhabitedRpcProcedure___rarg___closed__2;
 lean_object* l_Lean_KernelException_toMessageData(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__2___closed__2;
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____closed__7;
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_Server_registerBuiltinRpcProcedure___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__9;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__2;
@@ -162,7 +161,8 @@ LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure___lambda__4(lean_object*
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_insert___at_Lean_Server_registerLspRequestHandler___spec__2(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__21;
-LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkMapDeclarationExtension___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_containsAtAux___at_Lean_Server_registerBuiltinRpcProcedure___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -172,7 +172,6 @@ lean_object* l_Nat_repr(lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__4;
 static lean_object* l_Lean_Server_registerRpcProcedure___closed__4;
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__1;
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1___closed__2;
 uint8_t lean_uint64_dec_lt(uint64_t, uint64_t);
@@ -184,12 +183,14 @@ static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__24;
 lean_object* l_Lean_Server_RequestM_bindTask___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__1(lean_object*);
+static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2;
 uint8_t l_Std_PersistentHashMap_contains___at_Lean_Server_registerLspRequestHandler___spec__6(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerBuiltinRpcProcedure___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_left(size_t, size_t);
 lean_object* l_Lean_Meta_InfoCacheKey_instHashableInfoCacheKey___boxed(lean_object*);
+static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1;
 LEAN_EXPORT lean_object* l_liftExcept___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__3(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___closed__1;
 lean_object* l_Lean_Server_RequestM_mapTask___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -198,6 +199,7 @@ static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling_
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__16;
 LEAN_EXPORT lean_object* l_ReaderT_bind___at_Lean_Server_wrapRpcProcedure___spec__3(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__3;
+LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_instInhabitedRpcProcedure___rarg___closed__4;
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__5;
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____closed__3;
@@ -224,6 +226,7 @@ static lean_object* l_Lean_Server_registerRpcProcedure___lambda__4___closed__3;
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__18;
 extern lean_object* l_Lean_warningAsError;
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__15;
+lean_object* l_Lean_Elab_Term_withoutErrToSorryImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__22;
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -240,7 +243,6 @@ LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure___lambda__3___boxed(lean
 lean_object* l_Lean_Syntax_getPos_x3f(lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Meta_Match_Value_0__Lean_Meta_isUIntTypeName___spec__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_String_intercalate(lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_const___override(lean_object*, lean_object*);
@@ -262,14 +264,13 @@ uint8_t lean_usize_dec_le(size_t, size_t);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__5;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__11;
 lean_object* l_Lean_quoteNameMk(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Server_registerRpcProcedure___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_Command_instInhabitedScope;
 uint8_t lean_is_aux_recursor(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_RBNode_find___at_Lean_Server_wrapRpcProcedure___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at_Lean_Elab_Term_exprToSyntax___spec__1___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -277,22 +278,22 @@ static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_h
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__3___closed__1;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__12;
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1___closed__5;
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__19;
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_contains___at_Lean_Server_registerBuiltinRpcProcedure___spec__5(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__6;
 lean_object* l_Lean_Syntax_mkNameLit(lean_object*, lean_object*);
-static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
 static lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__3___closed__2;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Server_Snapshots_Snapshot_endPos(lean_object*);
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedName;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Server_parseRequestParams___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__2(lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__23;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__25;
+LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_instInhabitedRpcProcedure___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_StateT_instMonadStateT___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_instInhabitedRpcProcedure___rarg(lean_object*);
@@ -302,17 +303,14 @@ uint8_t l_Lean_MapDeclarationExtension_contains___rarg(lean_object*, lean_object
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__20;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_Server_registerBuiltinRpcProcedure___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_wrapRpcProcedure___lambda__1___closed__6;
-LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3;
 lean_object* l_Lean_Syntax_getTailPos_x3f(lean_object*, uint8_t);
 extern lean_object* l_Lean_Expr_instBEqExpr;
-lean_object* l_Lean_Elab_Term_withoutErrToSorry___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__10;
 lean_object* lean_io_initializing(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___closed__3;
-static lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_syntax_ident(lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__21;
 LEAN_EXPORT lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__1___boxed(lean_object*, lean_object*);
@@ -326,12 +324,14 @@ LEAN_EXPORT lean_object* l_Std_RBNode_find___at_Lean_Server_wrapRpcProcedure___s
 lean_object* l_instMonadStateOfStateT___rarg(lean_object*);
 uint8_t l_Std_PersistentArray_anyM___at_Lean_MessageLog_hasErrors___spec__1(lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__8;
+LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Declaration_foldExprM___at_Lean_Declaration_hasSorry___spec__1(lean_object*, uint8_t);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__1___closed__20;
 lean_object* lean_usize_to_nat(size_t);
 LEAN_EXPORT lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1(lean_object*, lean_object*);
+static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 lean_object* l___private_Lean_Data_Lsp_Extra_0__Lean_Lsp_fromJsonRpcCallParams____x40_Lean_Data_Lsp_Extra___hyg_1330_(lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__4___closed__4;
 LEAN_EXPORT lean_object* l_liftExcept___at_Lean_Server_wrapRpcProcedure___spec__2___rarg(lean_object*, lean_object*, lean_object*);
@@ -341,7 +341,6 @@ static lean_object* l_Lean_Server_instInhabitedRpcProcedure___rarg___closed__3;
 static lean_object* l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_1484____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Server_Snapshots_Snapshot_env(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Lean_MonadEnv_0__Lean_supportedRecursors;
 lean_object* l_Std_PersistentHashMap_mkEmptyEntries(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__9;
@@ -350,11 +349,13 @@ static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_h
 lean_object* l_Lean_Server_RequestM_readDoc(lean_object*, lean_object*);
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Server_wrapRpcProcedure___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerLspRequestHandler___at_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_350____spec__1___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__7;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_Server_registerBuiltinRpcProcedure___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_registerRpcProcedure___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkCollisionNode___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_RequestHandling_0__Lean_Server_handleRpcCallUnsafe___lambda__3___closed__13;
 static lean_object* l_Lean_Server_registerRpcProcedure___lambda__3___closed__17;
@@ -3447,7 +3448,15 @@ lean_dec(x_7);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Server_registerRpcProcedure___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Elab_Term_withoutErrToSorryImp___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
@@ -3459,7 +3468,7 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; uint8_t x_257; uint8_t x_258; 
@@ -4310,20 +4319,20 @@ return x_255;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; 
 x_6 = lean_ctor_get(x_3, 5);
 lean_inc(x_6);
-x_7 = l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6(x_6, x_1, x_2, x_3, x_4, x_5);
+x_7 = l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7(x_6, x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_6);
 return x_7;
 }
 }
-static lean_object* _init_l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1() {
+static lean_object* _init_l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4331,32 +4340,32 @@ x_1 = l_Lean_warningAsError;
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; uint8_t x_7; 
 x_5 = lean_ctor_get(x_2, 2);
 lean_inc(x_5);
-x_6 = l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1;
+x_6 = l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1;
 x_7 = l_Lean_Option_get___at_Lean_getSanitizeNames___spec__1(x_5, x_6);
 lean_dec(x_5);
 if (x_7 == 0)
 {
 uint8_t x_8; lean_object* x_9; 
 x_8 = 1;
-x_9 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5(x_1, x_8, x_2, x_3, x_4);
+x_9 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6(x_1, x_8, x_2, x_3, x_4);
 return x_9;
 }
 else
 {
 uint8_t x_10; lean_object* x_11; 
 x_10 = 2;
-x_11 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5(x_1, x_10, x_2, x_3, x_4);
+x_11 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6(x_1, x_10, x_2, x_3, x_4);
 return x_11;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -4378,7 +4387,7 @@ lean_object* x_11; lean_object* x_12;
 x_11 = lean_ctor_get(x_10, 0);
 lean_inc(x_11);
 lean_dec(x_10);
-x_12 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3(x_11, x_3, x_4, x_8);
+x_12 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4(x_11, x_3, x_4, x_8);
 lean_dec(x_4);
 return x_12;
 }
@@ -4395,7 +4404,7 @@ return x_14;
 }
 }
 }
-static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1() {
+static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4403,27 +4412,27 @@ x_1 = lean_mk_string_from_bytes("declaration uses 'sorry'", 24);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2() {
+static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1;
+x_1 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3() {
+static lean_object* _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2;
+x_1 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9; 
@@ -4447,22 +4456,22 @@ if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; 
 x_12 = lean_box(0);
-x_13 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___lambda__1(x_1, x_12, x_2, x_3, x_7);
+x_13 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___lambda__1(x_1, x_12, x_2, x_3, x_7);
 return x_13;
 }
 else
 {
 lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_14 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3;
+x_14 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3;
 lean_inc(x_3);
 lean_inc(x_2);
-x_15 = l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4(x_14, x_2, x_3, x_7);
+x_15 = l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5(x_14, x_2, x_3, x_7);
 x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
 x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
 lean_dec(x_15);
-x_18 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___lambda__1(x_1, x_16, x_2, x_3, x_17);
+x_18 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___lambda__1(x_1, x_16, x_2, x_3, x_17);
 return x_18;
 }
 }
@@ -4470,12 +4479,12 @@ else
 {
 lean_object* x_19; lean_object* x_20; 
 x_19 = lean_box(0);
-x_20 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___lambda__1(x_1, x_19, x_2, x_3, x_7);
+x_20 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___lambda__1(x_1, x_19, x_2, x_3, x_7);
 return x_20;
 }
 }
 }
-LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 4)
@@ -4589,7 +4598,7 @@ return x_22;
 }
 }
 }
-static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1() {
+static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -4597,16 +4606,16 @@ x_1 = lean_mk_string_from_bytes("code generator does not support recursor '", 42
 return x_1;
 }
 }
-static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2() {
+static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1;
+x_1 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3() {
+static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -4614,16 +4623,16 @@ x_1 = lean_mk_string_from_bytes("' yet, consider using 'match ... with' and/or s
 return x_1;
 }
 }
-static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4() {
+static lean_object* _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3;
+x_1 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -4650,7 +4659,7 @@ x_32 = lean_ctor_get(x_31, 2);
 lean_inc(x_32);
 lean_dec(x_31);
 lean_inc(x_1);
-x_33 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_33 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_33, 0, x_1);
 x_34 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_33, x_32);
 if (lean_obj_tag(x_34) == 0)
@@ -4675,11 +4684,11 @@ lean_inc(x_36);
 lean_dec(x_35);
 x_37 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_37, 0, x_36);
-x_38 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_38 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_38);
 lean_ctor_set(x_39, 1, x_37);
-x_40 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_40 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_41 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_41, 0, x_39);
 lean_ctor_set(x_41, 1, x_40);
@@ -4717,7 +4726,7 @@ x_11 = lean_ctor_get(x_8, 1);
 lean_inc(x_11);
 lean_dec(x_8);
 lean_inc(x_1);
-x_12 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_12 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_12, 0, x_1);
 x_13 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_12, x_11);
 if (lean_obj_tag(x_13) == 0)
@@ -4745,11 +4754,11 @@ lean_inc(x_17);
 lean_dec(x_16);
 x_18 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_18, 0, x_17);
-x_19 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_19 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_19);
 lean_ctor_set(x_20, 1, x_18);
-x_21 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_21 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
@@ -4788,7 +4797,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -4813,7 +4822,7 @@ x_10 = lean_ctor_get(x_8, 1);
 lean_inc(x_10);
 lean_dec(x_8);
 lean_inc(x_1);
-x_11 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_11 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_11, 0, x_1);
 x_12 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_11, x_10);
 if (lean_obj_tag(x_12) == 0)
@@ -4840,11 +4849,11 @@ lean_inc(x_16);
 lean_dec(x_15);
 x_17 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_17, 0, x_16);
-x_18 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_18 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_18);
 lean_ctor_set(x_19, 1, x_17);
-x_20 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_20 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_19);
 lean_ctor_set(x_21, 1, x_20);
@@ -4881,7 +4890,7 @@ goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -4905,7 +4914,7 @@ lean_dec(x_3);
 x_19 = lean_ctor_get(x_8, 1);
 lean_inc(x_19);
 lean_inc(x_1);
-x_20 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_20 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_20, 0, x_1);
 x_21 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_20, x_19);
 if (lean_obj_tag(x_21) == 0)
@@ -4916,7 +4925,7 @@ lean_inc(x_22);
 lean_dec(x_8);
 x_23 = lean_box(0);
 lean_inc(x_1);
-x_24 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(x_1, x_23, x_22, x_4, x_5, x_6);
+x_24 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(x_1, x_23, x_22, x_4, x_5, x_6);
 x_10 = x_24;
 goto block_18;
 }
@@ -4935,11 +4944,11 @@ lean_inc(x_26);
 lean_dec(x_25);
 x_27 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_27, 0, x_26);
-x_28 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_28 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_27);
-x_30 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_30 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
@@ -4974,7 +4983,7 @@ lean_inc(x_37);
 lean_dec(x_8);
 x_38 = lean_box(0);
 lean_inc(x_1);
-x_39 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(x_1, x_38, x_37, x_4, x_5, x_6);
+x_39 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(x_1, x_38, x_37, x_4, x_5, x_6);
 x_10 = x_39;
 goto block_18;
 }
@@ -5022,7 +5031,7 @@ return x_17;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 switch (lean_obj_tag(x_2)) {
@@ -5039,7 +5048,7 @@ lean_dec(x_7);
 x_9 = lean_ctor_get(x_8, 2);
 lean_inc(x_9);
 lean_dec(x_8);
-x_10 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_10 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_10, 0, x_1);
 x_11 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_10, x_9);
 if (lean_obj_tag(x_11) == 0)
@@ -5065,11 +5074,11 @@ lean_inc(x_15);
 lean_dec(x_14);
 x_16 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_16, 0, x_15);
-x_17 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_17 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_18 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_18, 0, x_17);
 lean_ctor_set(x_18, 1, x_16);
-x_19 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_19 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
@@ -5104,7 +5113,7 @@ x_27 = lean_ctor_get(x_25, 2);
 lean_inc(x_27);
 lean_dec(x_25);
 lean_inc(x_1);
-x_44 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_44 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_44, 0, x_1);
 x_45 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_44, x_27);
 if (lean_obj_tag(x_45) == 0)
@@ -5128,11 +5137,11 @@ lean_inc(x_47);
 lean_dec(x_46);
 x_48 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_48, 0, x_47);
-x_49 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_49 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_50 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_50, 0, x_49);
 lean_ctor_set(x_50, 1, x_48);
-x_51 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_51 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_52 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_52, 0, x_50);
 lean_ctor_set(x_52, 1, x_51);
@@ -5166,7 +5175,7 @@ goto block_43;
 block_43:
 {
 lean_object* x_29; lean_object* x_30; 
-x_29 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_29 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_29, 0, x_1);
 x_30 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_29, x_26);
 if (lean_obj_tag(x_30) == 0)
@@ -5192,11 +5201,11 @@ lean_inc(x_34);
 lean_dec(x_33);
 x_35 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_35, 0, x_34);
-x_36 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_36 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_36);
 lean_ctor_set(x_37, 1, x_35);
-x_38 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_38 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
@@ -5232,7 +5241,7 @@ x_61 = lean_ctor_get(x_59, 2);
 lean_inc(x_61);
 lean_dec(x_59);
 lean_inc(x_1);
-x_78 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_78 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_78, 0, x_1);
 x_79 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_78, x_61);
 if (lean_obj_tag(x_79) == 0)
@@ -5256,11 +5265,11 @@ lean_inc(x_81);
 lean_dec(x_80);
 x_82 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_82, 0, x_81);
-x_83 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_83 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_84 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_84, 0, x_83);
 lean_ctor_set(x_84, 1, x_82);
-x_85 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_85 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_86 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_86, 0, x_84);
 lean_ctor_set(x_86, 1, x_85);
@@ -5294,7 +5303,7 @@ goto block_77;
 block_77:
 {
 lean_object* x_63; lean_object* x_64; 
-x_63 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_63 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_63, 0, x_1);
 x_64 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_63, x_60);
 if (lean_obj_tag(x_64) == 0)
@@ -5320,11 +5329,11 @@ lean_inc(x_68);
 lean_dec(x_67);
 x_69 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_69, 0, x_68);
-x_70 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_70 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_71 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_71, 0, x_70);
 lean_ctor_set(x_71, 1, x_69);
-x_72 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_72 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_73 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_73, 0, x_71);
 lean_ctor_set(x_73, 1, x_72);
@@ -5360,7 +5369,7 @@ x_95 = lean_ctor_get(x_93, 2);
 lean_inc(x_95);
 lean_dec(x_93);
 lean_inc(x_1);
-x_112 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_112 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_112, 0, x_1);
 x_113 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_112, x_95);
 if (lean_obj_tag(x_113) == 0)
@@ -5384,11 +5393,11 @@ lean_inc(x_115);
 lean_dec(x_114);
 x_116 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_116, 0, x_115);
-x_117 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_117 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_118 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_118, 0, x_117);
 lean_ctor_set(x_118, 1, x_116);
-x_119 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_119 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_120 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_120, 0, x_118);
 lean_ctor_set(x_120, 1, x_119);
@@ -5422,7 +5431,7 @@ goto block_111;
 block_111:
 {
 lean_object* x_97; lean_object* x_98; 
-x_97 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed), 2, 1);
+x_97 = lean_alloc_closure((void*)(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed), 2, 1);
 lean_closure_set(x_97, 0, x_1);
 x_98 = l_Lean_Expr_FindImpl_findUnsafe_x3f(x_97, x_94);
 if (lean_obj_tag(x_98) == 0)
@@ -5448,11 +5457,11 @@ lean_inc(x_102);
 lean_dec(x_101);
 x_103 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_103, 0, x_102);
-x_104 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2;
+x_104 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2;
 x_105 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_105, 0, x_104);
 lean_ctor_set(x_105, 1, x_103);
-x_106 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4;
+x_106 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4;
 x_107 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_107, 0, x_105);
 lean_ctor_set(x_107, 1, x_106);
@@ -5487,7 +5496,7 @@ lean_object* x_127; lean_object* x_128;
 x_127 = lean_ctor_get(x_2, 0);
 lean_inc(x_127);
 lean_dec(x_2);
-x_128 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10(x_1, x_3, x_127, x_4, x_5, x_6);
+x_128 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11(x_1, x_3, x_127, x_4, x_5, x_6);
 return x_128;
 }
 default: 
@@ -5496,13 +5505,13 @@ lean_object* x_129; lean_object* x_130;
 x_129 = lean_ctor_get(x_2, 2);
 lean_inc(x_129);
 lean_dec(x_2);
-x_130 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__12(x_1, x_3, x_129, x_4, x_5, x_6);
+x_130 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13(x_1, x_3, x_129, x_4, x_5, x_6);
 return x_130;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__9(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -5516,13 +5525,13 @@ x_8 = lean_ctor_get(x_6, 0);
 lean_inc(x_8);
 lean_dec(x_6);
 x_9 = lean_box(0);
-x_10 = l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9(x_8, x_1, x_9, x_2, x_3, x_7);
+x_10 = l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10(x_8, x_1, x_9, x_2, x_3, x_7);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -5554,7 +5563,7 @@ lean_inc(x_12);
 lean_dec(x_11);
 lean_inc(x_3);
 lean_inc(x_2);
-x_13 = l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__8(x_1, x_2, x_3, x_7);
+x_13 = l___private_Lean_MonadEnv_0__Lean_checkUnsupported___at_Lean_Server_registerRpcProcedure___spec__9(x_1, x_2, x_3, x_7);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
@@ -5600,7 +5609,7 @@ else
 {
 lean_object* x_22; 
 lean_dec(x_1);
-x_22 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3(x_11, x_2, x_3, x_7);
+x_22 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4(x_11, x_2, x_3, x_7);
 lean_dec(x_3);
 return x_22;
 }
@@ -5619,21 +5628,21 @@ return x_24;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_5 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3(x_1, x_2, x_3, x_4);
 if (lean_obj_tag(x_5) == 0)
 {
 lean_object* x_6; lean_object* x_7; 
 x_6 = lean_ctor_get(x_5, 1);
 lean_inc(x_6);
 lean_dec(x_5);
-x_7 = l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__7(x_1, x_2, x_3, x_6);
+x_7 = l_Lean_compileDecl___at_Lean_Server_registerRpcProcedure___spec__8(x_1, x_2, x_3, x_6);
 return x_7;
 }
 else
@@ -6449,23 +6458,21 @@ return x_3;
 static lean_object* _init_l_Lean_Server_registerRpcProcedure___lambda__3___closed__17() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__15;
 x_3 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__16;
 x_4 = l_Lean_Server_initFn____x40_Lean_Server_Rpc_RequestHandling___hyg_32____closed__3;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Server_registerRpcProcedure___lambda__3___closed__18() {
@@ -6554,14 +6561,13 @@ x_1 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__18;
 x_2 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__20;
 x_3 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__21;
 x_4 = l_Lean_Server_registerRpcProcedure___lambda__3___closed__24;
-x_5 = lean_alloc_ctor(0, 7, 0);
+x_5 = lean_alloc_ctor(0, 6, 0);
 lean_ctor_set(x_5, 0, x_1);
 lean_ctor_set(x_5, 1, x_2);
 lean_ctor_set(x_5, 2, x_3);
 lean_ctor_set(x_5, 3, x_1);
 lean_ctor_set(x_5, 4, x_1);
 lean_ctor_set(x_5, 5, x_4);
-lean_ctor_set(x_5, 6, x_4);
 return x_5;
 }
 }
@@ -6594,7 +6600,7 @@ x_10 = lean_alloc_closure((void*)(l_Lean_Server_registerRpcProcedure___lambda__1
 lean_closure_set(x_10, 0, x_8);
 lean_closure_set(x_10, 1, x_1);
 lean_closure_set(x_10, 2, x_9);
-x_11 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___rarg), 8, 1);
+x_11 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withoutErrToSorry___at_Lean_Server_registerRpcProcedure___spec__1), 8, 1);
 lean_closure_set(x_11, 0, x_10);
 x_12 = lean_st_ref_get(x_4, x_5);
 x_13 = lean_ctor_get(x_12, 1);
@@ -6655,7 +6661,7 @@ x_34 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_34, 0, x_33);
 lean_inc(x_4);
 lean_inc(x_3);
-x_35 = l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__1(x_34, x_3, x_4, x_28);
+x_35 = l_Lean_addAndCompile___at_Lean_Server_registerRpcProcedure___spec__2(x_34, x_3, x_4, x_28);
 if (lean_obj_tag(x_35) == 0)
 {
 lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
@@ -6928,57 +6934,47 @@ return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
-x_5 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__3(x_1, x_2, x_3, x_4);
+x_5 = l_Lean_throwKernelException___at_Lean_Server_registerRpcProcedure___spec__4(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; lean_object* x_8; 
 x_7 = lean_unbox(x_3);
 lean_dec(x_3);
-x_8 = l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__6(x_1, x_2, x_7, x_4, x_5, x_6);
+x_8 = l_Lean_logAt___at_Lean_Server_registerRpcProcedure___spec__7(x_1, x_2, x_7, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_1);
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 uint8_t x_6; lean_object* x_7; 
 x_6 = lean_unbox(x_2);
 lean_dec(x_2);
-x_7 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__5(x_1, x_6, x_3, x_4, x_5);
+x_7 = l_Lean_log___at_Lean_Server_registerRpcProcedure___spec__6(x_1, x_6, x_3, x_4, x_5);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___lambda__1(x_1, x_2);
+x_3 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___lambda__1(x_1, x_2);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_7;
-}
-}
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
@@ -6999,11 +6995,21 @@ lean_dec(x_4);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 lean_object* x_7; 
-x_7 = l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__9(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__13(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Declaration_foldExprM___at_Lean_Server_registerRpcProcedure___spec__10(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 return x_7;
@@ -7319,22 +7325,22 @@ l_Lean_Server_registerBuiltinRpcProcedure___closed__2 = _init_l_Lean_Server_regi
 lean_mark_persistent(l_Lean_Server_registerBuiltinRpcProcedure___closed__2);
 l_Lean_Server_registerBuiltinRpcProcedure___closed__3 = _init_l_Lean_Server_registerBuiltinRpcProcedure___closed__3();
 lean_mark_persistent(l_Lean_Server_registerBuiltinRpcProcedure___closed__3);
-l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1 = _init_l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1();
-lean_mark_persistent(l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__4___closed__1);
-l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1();
-lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__1);
-l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2();
-lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__2);
-l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3();
-lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__2___closed__3);
-l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1();
-lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__1);
-l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2();
-lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__2);
-l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3();
-lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__3);
-l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4();
-lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__10___closed__4);
+l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1 = _init_l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1();
+lean_mark_persistent(l_Lean_logWarning___at_Lean_Server_registerRpcProcedure___spec__5___closed__1);
+l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1();
+lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__1);
+l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2();
+lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__2);
+l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3 = _init_l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3();
+lean_mark_persistent(l_Lean_addDecl___at_Lean_Server_registerRpcProcedure___spec__3___closed__3);
+l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1();
+lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__1);
+l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2();
+lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__2);
+l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3();
+lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__3);
+l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4 = _init_l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4();
+lean_mark_persistent(l_List_foldlM___at_Lean_Server_registerRpcProcedure___spec__11___closed__4);
 l_Lean_Server_registerRpcProcedure___lambda__1___closed__1 = _init_l_Lean_Server_registerRpcProcedure___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Server_registerRpcProcedure___lambda__1___closed__1);
 l_Lean_Server_registerRpcProcedure___lambda__1___closed__2 = _init_l_Lean_Server_registerRpcProcedure___lambda__1___closed__2();
diff --git a/stage0/stdlib/Lean/Util/OccursCheck.c b/stage0/stdlib/Lean/Util/OccursCheck.c
index 1781c3e82d..03912950ae 100644
--- a/stage0/stdlib/Lean/Util/OccursCheck.c
+++ b/stage0/stdlib/Lean/Util/OccursCheck.c
@@ -13,41 +13,32 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3(lean_object*);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck___rarg___lambda__1(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4___rarg(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_occursCheck_visitMVar___rarg___closed__1;
-static lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1;
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck___rarg___lambda__1___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashSetImp_insert___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__3(lean_object*, lean_object*);
-static lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getExprAssignmentCore_x3f(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_occursCheck___rarg___closed__1;
+static lean_object* l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar(lean_object*);
 uint8_t l_Std_HashSetImp_contains___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck(lean_object*);
@@ -55,55 +46,7 @@ LEAN_EXPORT lean_object* l_Lean_occursCheck_visit(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; 
-x_2 = !lean_is_exclusive(x_1);
-if (x_2 == 0)
-{
-uint8_t x_3; 
-x_3 = 1;
-lean_ctor_set_uint8(x_1, sizeof(void*)*8, x_3);
-return x_1;
-}
-else
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; 
-x_4 = lean_ctor_get(x_1, 0);
-x_5 = lean_ctor_get(x_1, 1);
-x_6 = lean_ctor_get(x_1, 2);
-x_7 = lean_ctor_get(x_1, 3);
-x_8 = lean_ctor_get(x_1, 4);
-x_9 = lean_ctor_get(x_1, 5);
-x_10 = lean_ctor_get(x_1, 6);
-x_11 = lean_ctor_get(x_1, 7);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_dec(x_1);
-x_12 = 1;
-x_13 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_13, 0, x_4);
-lean_ctor_set(x_13, 1, x_5);
-lean_ctor_set(x_13, 2, x_6);
-lean_ctor_set(x_13, 3, x_7);
-lean_ctor_set(x_13, 4, x_8);
-lean_ctor_set(x_13, 5, x_9);
-lean_ctor_set(x_13, 6, x_10);
-lean_ctor_set(x_13, 7, x_11);
-lean_ctor_set_uint8(x_13, sizeof(void*)*8, x_12);
-return x_13;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; 
@@ -120,7 +63,7 @@ x_7 = lean_apply_2(x_5, lean_box(0), x_6);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3(lean_object* x_1, lean_object* x_2) {
+LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; 
@@ -165,143 +108,6 @@ return x_15;
 }
 }
 }
-static lean_object* _init_l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1), 1, 0);
-return x_1;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_4 = lean_ctor_get(x_2, 1);
-lean_inc(x_4);
-lean_dec(x_2);
-x_5 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-x_7 = lean_ctor_get(x_1, 1);
-lean_inc(x_7);
-lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2), 3, 2);
-lean_closure_set(x_8, 0, x_1);
-lean_closure_set(x_8, 1, x_3);
-lean_inc(x_7);
-x_9 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_6, x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3), 2, 1);
-lean_closure_set(x_10, 0, x_1);
-x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg), 3, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_5 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_5, 0, x_1);
-x_6 = lean_ctor_get(x_2, 0);
-lean_inc(x_6);
-lean_dec(x_2);
-x_7 = lean_ctor_get(x_6, 1);
-lean_inc(x_7);
-lean_dec(x_6);
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_5);
-lean_ctor_set(x_8, 1, x_4);
-x_9 = lean_apply_2(x_7, lean_box(0), x_8);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = lean_ctor_get(x_3, 0);
-lean_inc(x_4);
-if (lean_obj_tag(x_4) == 0)
-{
-uint8_t x_5; 
-lean_dec(x_2);
-x_5 = !lean_is_exclusive(x_3);
-if (x_5 == 0)
-{
-lean_object* x_6; uint8_t x_7; 
-x_6 = lean_ctor_get(x_3, 0);
-lean_dec(x_6);
-x_7 = !lean_is_exclusive(x_4);
-if (x_7 == 0)
-{
-lean_object* x_8; 
-x_8 = lean_apply_2(x_1, lean_box(0), x_3);
-return x_8;
-}
-else
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_ctor_get(x_4, 0);
-lean_inc(x_9);
-lean_dec(x_4);
-x_10 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_10, 0, x_9);
-lean_ctor_set(x_3, 0, x_10);
-x_11 = lean_apply_2(x_1, lean_box(0), x_3);
-return x_11;
-}
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_12 = lean_ctor_get(x_3, 1);
-lean_inc(x_12);
-lean_dec(x_3);
-x_13 = lean_ctor_get(x_4, 0);
-lean_inc(x_13);
-if (lean_is_exclusive(x_4)) {
- lean_ctor_release(x_4, 0);
- x_14 = x_4;
-} else {
- lean_dec_ref(x_4);
- x_14 = lean_box(0);
-}
-if (lean_is_scalar(x_14)) {
- x_15 = lean_alloc_ctor(0, 1, 0);
-} else {
- x_15 = x_14;
-}
-lean_ctor_set(x_15, 0, x_13);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_12);
-x_17 = lean_apply_2(x_1, lean_box(0), x_16);
-return x_17;
-}
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-lean_dec(x_1);
-x_18 = lean_ctor_get(x_3, 1);
-lean_inc(x_18);
-lean_dec(x_3);
-x_19 = lean_ctor_get(x_4, 0);
-lean_inc(x_19);
-lean_dec(x_4);
-x_20 = lean_apply_2(x_2, x_19, x_18);
-return x_20;
-}
-}
-}
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -386,215 +192,82 @@ return x_23;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_1);
-x_24 = lean_ctor_get(x_3, 1);
-lean_inc(x_24);
-lean_dec(x_3);
-x_25 = lean_ctor_get(x_4, 0);
-lean_inc(x_25);
-lean_dec(x_4);
-x_26 = lean_apply_2(x_2, x_25, x_24);
-return x_26;
-}
-}
-}
-static lean_object* _init_l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1() {
-_start:
+uint8_t x_24; 
+x_24 = !lean_is_exclusive(x_3);
+if (x_24 == 0)
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_box(0);
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_ctor_get(x_5, 0);
-lean_inc(x_6);
-if (lean_obj_tag(x_6) == 0)
-{
-uint8_t x_7; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_7 = !lean_is_exclusive(x_5);
-if (x_7 == 0)
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_ctor_get(x_5, 0);
-lean_dec(x_8);
-x_9 = !lean_is_exclusive(x_6);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_5);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_6, 0);
-lean_inc(x_13);
-lean_dec(x_6);
-x_14 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_14, 0, x_13);
-x_15 = lean_ctor_get(x_1, 0);
-lean_inc(x_15);
-lean_dec(x_1);
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
-lean_dec(x_15);
-lean_ctor_set(x_5, 0, x_14);
-x_17 = lean_apply_2(x_16, lean_box(0), x_5);
-return x_17;
-}
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_18 = lean_ctor_get(x_5, 1);
-lean_inc(x_18);
-lean_dec(x_5);
-x_19 = lean_ctor_get(x_6, 0);
-lean_inc(x_19);
-if (lean_is_exclusive(x_6)) {
- lean_ctor_release(x_6, 0);
- x_20 = x_6;
-} else {
- lean_dec_ref(x_6);
- x_20 = lean_box(0);
-}
-if (lean_is_scalar(x_20)) {
- x_21 = lean_alloc_ctor(0, 1, 0);
-} else {
- x_21 = x_20;
-}
-lean_ctor_set(x_21, 0, x_19);
-x_22 = lean_ctor_get(x_1, 0);
-lean_inc(x_22);
-lean_dec(x_1);
-x_23 = lean_ctor_get(x_22, 1);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_21);
-lean_ctor_set(x_24, 1, x_18);
-x_25 = lean_apply_2(x_23, lean_box(0), x_24);
-return x_25;
-}
-}
-else
-{
-uint8_t x_26; 
-x_26 = !lean_is_exclusive(x_5);
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_3, 0);
+lean_dec(x_25);
+x_26 = !lean_is_exclusive(x_4);
 if (x_26 == 0)
 {
 lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_27 = lean_ctor_get(x_5, 1);
-x_28 = lean_ctor_get(x_5, 0);
-lean_dec(x_28);
-x_29 = lean_ctor_get(x_6, 0);
+x_27 = lean_ctor_get(x_4, 0);
+x_28 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_27, x_2);
+lean_ctor_set(x_4, 0, x_28);
+x_29 = lean_ctor_get(x_1, 0);
 lean_inc(x_29);
-lean_dec(x_6);
-x_30 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_29, x_2);
-lean_inc(x_1);
+lean_dec(x_1);
+x_30 = lean_ctor_get(x_29, 1);
 lean_inc(x_30);
-x_31 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_31, 0, x_30);
-lean_closure_set(x_31, 1, x_1);
-if (lean_obj_tag(x_30) == 0)
+lean_dec(x_29);
+x_31 = lean_apply_2(x_30, lean_box(0), x_3);
+return x_31;
+}
+else
 {
 lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-lean_dec(x_4);
-x_32 = lean_ctor_get(x_1, 0);
+x_32 = lean_ctor_get(x_4, 0);
 lean_inc(x_32);
+lean_dec(x_4);
+x_33 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_32, x_2);
+x_34 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_34, 0, x_33);
+x_35 = lean_ctor_get(x_1, 0);
+lean_inc(x_35);
 lean_dec(x_1);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-lean_dec(x_32);
-x_34 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
-lean_ctor_set(x_5, 0, x_34);
-lean_inc(x_33);
-x_35 = lean_apply_2(x_33, lean_box(0), x_5);
-x_36 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 3, 2);
-lean_closure_set(x_36, 0, x_33);
-lean_closure_set(x_36, 1, x_31);
-x_37 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_35, x_36);
+x_36 = lean_ctor_get(x_35, 1);
+lean_inc(x_36);
+lean_dec(x_35);
+lean_ctor_set(x_3, 0, x_34);
+x_37 = lean_apply_2(x_36, lean_box(0), x_3);
 return x_37;
 }
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-lean_dec(x_30);
-lean_free_object(x_5);
-lean_inc(x_1);
-x_38 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg(x_1, x_4, x_27);
-x_39 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3), 3, 2);
-lean_closure_set(x_39, 0, x_1);
-lean_closure_set(x_39, 1, x_31);
-x_40 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_38, x_39);
-return x_40;
-}
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_41 = lean_ctor_get(x_5, 1);
-lean_inc(x_41);
-lean_dec(x_5);
-x_42 = lean_ctor_get(x_6, 0);
-lean_inc(x_42);
-lean_dec(x_6);
-x_43 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_42, x_2);
-lean_inc(x_1);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_38 = lean_ctor_get(x_3, 1);
+lean_inc(x_38);
+lean_dec(x_3);
+x_39 = lean_ctor_get(x_4, 0);
+lean_inc(x_39);
+if (lean_is_exclusive(x_4)) {
+ lean_ctor_release(x_4, 0);
+ x_40 = x_4;
+} else {
+ lean_dec_ref(x_4);
+ x_40 = lean_box(0);
+}
+x_41 = l_Lean_MetavarContext_getExprAssignmentCore_x3f(x_39, x_2);
+if (lean_is_scalar(x_40)) {
+ x_42 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_42 = x_40;
+}
+lean_ctor_set(x_42, 0, x_41);
+x_43 = lean_ctor_get(x_1, 0);
 lean_inc(x_43);
-x_44 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_44, 0, x_43);
-lean_closure_set(x_44, 1, x_1);
-if (lean_obj_tag(x_43) == 0)
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-lean_dec(x_4);
-x_45 = lean_ctor_get(x_1, 0);
-lean_inc(x_45);
 lean_dec(x_1);
-x_46 = lean_ctor_get(x_45, 1);
-lean_inc(x_46);
-lean_dec(x_45);
-x_47 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_41);
-lean_inc(x_46);
-x_49 = lean_apply_2(x_46, lean_box(0), x_48);
-x_50 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 3, 2);
-lean_closure_set(x_50, 0, x_46);
-lean_closure_set(x_50, 1, x_44);
-x_51 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_49, x_50);
-return x_51;
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_44 = lean_ctor_get(x_43, 1);
+lean_inc(x_44);
 lean_dec(x_43);
-lean_inc(x_1);
-x_52 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg(x_1, x_4, x_41);
-x_53 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3), 3, 2);
-lean_closure_set(x_53, 0, x_1);
-lean_closure_set(x_53, 1, x_44);
-x_54 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_52, x_53);
-return x_54;
-}
+x_45 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_45, 0, x_42);
+lean_ctor_set(x_45, 1, x_38);
+x_46 = lean_apply_2(x_44, lean_box(0), x_45);
+return x_46;
 }
 }
 }
@@ -605,25 +278,23 @@ _start:
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
+lean_dec(x_2);
 x_6 = lean_ctor_get(x_1, 1);
 lean_inc(x_6);
 lean_inc(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2), 3, 2);
+x_7 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1), 3, 2);
 lean_closure_set(x_7, 0, x_1);
 lean_closure_set(x_7, 1, x_4);
 lean_inc(x_6);
 x_8 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_5, x_7);
 lean_inc(x_1);
-x_9 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3), 2, 1);
+x_9 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 2, 1);
 lean_closure_set(x_9, 0, x_1);
 lean_inc(x_6);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
-lean_inc(x_6);
-x_11 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4), 5, 4);
+x_11 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3), 3, 2);
 lean_closure_set(x_11, 0, x_1);
 lean_closure_set(x_11, 1, x_3);
-lean_closure_set(x_11, 2, x_6);
-lean_closure_set(x_11, 3, x_2);
 x_12 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_10, x_11);
 return x_12;
 }
@@ -636,267 +307,221 @@ x_2 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occu
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
-lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_4 = lean_ctor_get(x_2, 1);
+lean_object* x_4; 
+x_4 = lean_ctor_get(x_3, 0);
 lean_inc(x_4);
+if (lean_obj_tag(x_4) == 0)
+{
+uint8_t x_5; 
 lean_dec(x_2);
-x_5 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1;
-x_6 = lean_apply_1(x_4, x_5);
-x_7 = lean_ctor_get(x_1, 1);
-lean_inc(x_7);
-lean_inc(x_1);
-x_8 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2), 3, 2);
-lean_closure_set(x_8, 0, x_1);
-lean_closure_set(x_8, 1, x_3);
-lean_inc(x_7);
-x_9 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_6, x_8);
-x_10 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3), 2, 1);
-lean_closure_set(x_10, 0, x_1);
-x_11 = lean_apply_4(x_7, lean_box(0), lean_box(0), x_9, x_10);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4(lean_object* x_1) {
-_start:
+x_5 = !lean_is_exclusive(x_3);
+if (x_5 == 0)
 {
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4___rarg), 3, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = lean_ctor_get(x_5, 0);
-lean_inc(x_6);
-if (lean_obj_tag(x_6) == 0)
-{
-uint8_t x_7; 
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_7 = !lean_is_exclusive(x_5);
+lean_object* x_6; uint8_t x_7; 
+x_6 = lean_ctor_get(x_3, 0);
+lean_dec(x_6);
+x_7 = !lean_is_exclusive(x_4);
 if (x_7 == 0)
 {
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_ctor_get(x_5, 0);
+lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = lean_ctor_get(x_1, 0);
+lean_inc(x_8);
+lean_dec(x_1);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
 lean_dec(x_8);
-x_9 = !lean_is_exclusive(x_6);
-if (x_9 == 0)
+x_10 = lean_apply_2(x_9, lean_box(0), x_3);
+return x_10;
+}
+else
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = lean_ctor_get(x_1, 0);
-lean_inc(x_10);
-lean_dec(x_1);
-x_11 = lean_ctor_get(x_10, 1);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_ctor_get(x_4, 0);
 lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_apply_2(x_11, lean_box(0), x_5);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_6, 0);
+lean_dec(x_4);
+x_12 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_12, 0, x_11);
+x_13 = lean_ctor_get(x_1, 0);
 lean_inc(x_13);
-lean_dec(x_6);
-x_14 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_14, 0, x_13);
-x_15 = lean_ctor_get(x_1, 0);
-lean_inc(x_15);
 lean_dec(x_1);
-x_16 = lean_ctor_get(x_15, 1);
+x_14 = lean_ctor_get(x_13, 1);
+lean_inc(x_14);
+lean_dec(x_13);
+lean_ctor_set(x_3, 0, x_12);
+x_15 = lean_apply_2(x_14, lean_box(0), x_3);
+return x_15;
+}
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_16 = lean_ctor_get(x_3, 1);
 lean_inc(x_16);
-lean_dec(x_15);
-lean_ctor_set(x_5, 0, x_14);
-x_17 = lean_apply_2(x_16, lean_box(0), x_5);
-return x_17;
-}
-}
-else
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_18 = lean_ctor_get(x_5, 1);
-lean_inc(x_18);
-lean_dec(x_5);
-x_19 = lean_ctor_get(x_6, 0);
-lean_inc(x_19);
-if (lean_is_exclusive(x_6)) {
- lean_ctor_release(x_6, 0);
- x_20 = x_6;
+lean_dec(x_3);
+x_17 = lean_ctor_get(x_4, 0);
+lean_inc(x_17);
+if (lean_is_exclusive(x_4)) {
+ lean_ctor_release(x_4, 0);
+ x_18 = x_4;
 } else {
- lean_dec_ref(x_6);
- x_20 = lean_box(0);
+ lean_dec_ref(x_4);
+ x_18 = lean_box(0);
 }
-if (lean_is_scalar(x_20)) {
- x_21 = lean_alloc_ctor(0, 1, 0);
+if (lean_is_scalar(x_18)) {
+ x_19 = lean_alloc_ctor(0, 1, 0);
 } else {
- x_21 = x_20;
+ x_19 = x_18;
 }
-lean_ctor_set(x_21, 0, x_19);
-x_22 = lean_ctor_get(x_1, 0);
-lean_inc(x_22);
+lean_ctor_set(x_19, 0, x_17);
+x_20 = lean_ctor_get(x_1, 0);
+lean_inc(x_20);
 lean_dec(x_1);
-x_23 = lean_ctor_get(x_22, 1);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_21);
-lean_ctor_set(x_24, 1, x_18);
-x_25 = lean_apply_2(x_23, lean_box(0), x_24);
-return x_25;
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_19);
+lean_ctor_set(x_22, 1, x_16);
+x_23 = lean_apply_2(x_21, lean_box(0), x_22);
+return x_23;
 }
 }
 else
 {
-uint8_t x_26; 
-x_26 = !lean_is_exclusive(x_5);
+uint8_t x_24; 
+x_24 = !lean_is_exclusive(x_3);
+if (x_24 == 0)
+{
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_3, 0);
+lean_dec(x_25);
+x_26 = !lean_is_exclusive(x_4);
 if (x_26 == 0)
 {
 lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_27 = lean_ctor_get(x_5, 1);
-x_28 = lean_ctor_get(x_5, 0);
-lean_dec(x_28);
-x_29 = lean_ctor_get(x_6, 0);
-lean_inc(x_29);
-lean_dec(x_6);
-x_30 = lean_ctor_get(x_29, 7);
+x_27 = lean_ctor_get(x_4, 0);
+x_28 = lean_ctor_get(x_27, 7);
+lean_inc(x_28);
+lean_dec(x_27);
+x_29 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_28, x_2);
+lean_ctor_set(x_4, 0, x_29);
+x_30 = lean_ctor_get(x_1, 0);
 lean_inc(x_30);
-lean_dec(x_29);
-x_31 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_30, x_2);
-lean_inc(x_1);
-lean_inc(x_31);
-x_32 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_32, 0, x_31);
-lean_closure_set(x_32, 1, x_1);
-if (lean_obj_tag(x_31) == 0)
-{
-lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-lean_dec(x_4);
-x_33 = lean_ctor_get(x_1, 0);
-lean_inc(x_33);
 lean_dec(x_1);
-x_34 = lean_ctor_get(x_33, 1);
+x_31 = lean_ctor_get(x_30, 1);
+lean_inc(x_31);
+lean_dec(x_30);
+x_32 = lean_apply_2(x_31, lean_box(0), x_3);
+return x_32;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_33 = lean_ctor_get(x_4, 0);
+lean_inc(x_33);
+lean_dec(x_4);
+x_34 = lean_ctor_get(x_33, 7);
 lean_inc(x_34);
 lean_dec(x_33);
-x_35 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
-lean_ctor_set(x_5, 0, x_35);
-lean_inc(x_34);
-x_36 = lean_apply_2(x_34, lean_box(0), x_5);
-x_37 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 3, 2);
-lean_closure_set(x_37, 0, x_34);
-lean_closure_set(x_37, 1, x_32);
-x_38 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_36, x_37);
-return x_38;
-}
-else
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-lean_dec(x_31);
-lean_free_object(x_5);
-lean_inc(x_1);
-x_39 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4___rarg(x_1, x_4, x_27);
-x_40 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3), 3, 2);
-lean_closure_set(x_40, 0, x_1);
-lean_closure_set(x_40, 1, x_32);
-x_41 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_39, x_40);
-return x_41;
-}
-}
-else
-{
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_42 = lean_ctor_get(x_5, 1);
-lean_inc(x_42);
-lean_dec(x_5);
-x_43 = lean_ctor_get(x_6, 0);
-lean_inc(x_43);
-lean_dec(x_6);
-x_44 = lean_ctor_get(x_43, 7);
-lean_inc(x_44);
-lean_dec(x_43);
-x_45 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_44, x_2);
-lean_inc(x_1);
-lean_inc(x_45);
-x_46 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed), 4, 2);
-lean_closure_set(x_46, 0, x_45);
-lean_closure_set(x_46, 1, x_1);
-if (lean_obj_tag(x_45) == 0)
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-lean_dec(x_4);
-x_47 = lean_ctor_get(x_1, 0);
-lean_inc(x_47);
+x_35 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_34, x_2);
+x_36 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_36, 0, x_35);
+x_37 = lean_ctor_get(x_1, 0);
+lean_inc(x_37);
 lean_dec(x_1);
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_42);
-lean_inc(x_48);
-x_51 = lean_apply_2(x_48, lean_box(0), x_50);
-x_52 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 3, 2);
-lean_closure_set(x_52, 0, x_48);
-lean_closure_set(x_52, 1, x_46);
-x_53 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_51, x_52);
-return x_53;
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+lean_dec(x_37);
+lean_ctor_set(x_3, 0, x_36);
+x_39 = lean_apply_2(x_38, lean_box(0), x_3);
+return x_39;
+}
 }
 else
 {
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-lean_dec(x_45);
-lean_inc(x_1);
-x_54 = l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__4___rarg(x_1, x_4, x_42);
-x_55 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__3), 3, 2);
-lean_closure_set(x_55, 0, x_1);
-lean_closure_set(x_55, 1, x_46);
-x_56 = lean_apply_4(x_3, lean_box(0), lean_box(0), x_54, x_55);
-return x_56;
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_40 = lean_ctor_get(x_3, 1);
+lean_inc(x_40);
+lean_dec(x_3);
+x_41 = lean_ctor_get(x_4, 0);
+lean_inc(x_41);
+if (lean_is_exclusive(x_4)) {
+ lean_ctor_release(x_4, 0);
+ x_42 = x_4;
+} else {
+ lean_dec_ref(x_4);
+ x_42 = lean_box(0);
+}
+x_43 = lean_ctor_get(x_41, 7);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(x_43, x_2);
+if (lean_is_scalar(x_42)) {
+ x_45 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_45 = x_42;
+}
+lean_ctor_set(x_45, 0, x_44);
+x_46 = lean_ctor_get(x_1, 0);
+lean_inc(x_46);
+lean_dec(x_1);
+x_47 = lean_ctor_get(x_46, 1);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_45);
+lean_ctor_set(x_48, 1, x_40);
+x_49 = lean_apply_2(x_47, lean_box(0), x_48);
+return x_49;
 }
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
 x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
+lean_dec(x_2);
 x_6 = lean_ctor_get(x_1, 1);
 lean_inc(x_6);
 lean_inc(x_1);
-x_7 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__2), 3, 2);
+x_7 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1), 3, 2);
 lean_closure_set(x_7, 0, x_1);
 lean_closure_set(x_7, 1, x_4);
 lean_inc(x_6);
 x_8 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_5, x_7);
 lean_inc(x_1);
-x_9 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__3), 2, 1);
+x_9 = lean_alloc_closure((void*)(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__2), 2, 1);
 lean_closure_set(x_9, 0, x_1);
 lean_inc(x_6);
 x_10 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_8, x_9);
-lean_inc(x_6);
-x_11 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg___lambda__1), 5, 4);
+x_11 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg___lambda__1), 3, 2);
 lean_closure_set(x_11, 0, x_1);
 lean_closure_set(x_11, 1, x_3);
-lean_closure_set(x_11, 2, x_6);
-lean_closure_set(x_11, 3, x_2);
 x_12 = lean_apply_4(x_6, lean_box(0), lean_box(0), x_10, x_11);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg), 4, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg), 4, 0);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = lean_box(0);
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
@@ -1006,7 +631,7 @@ lean_dec(x_1);
 x_29 = lean_ctor_get(x_28, 1);
 lean_inc(x_29);
 lean_dec(x_28);
-x_30 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_30 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 lean_ctor_set(x_4, 0, x_30);
 x_31 = lean_apply_2(x_29, lean_box(0), x_4);
 return x_31;
@@ -1023,7 +648,7 @@ lean_dec(x_1);
 x_34 = lean_ctor_get(x_33, 1);
 lean_inc(x_34);
 lean_dec(x_33);
-x_35 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_35 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 x_36 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_32);
@@ -1148,7 +773,7 @@ lean_inc(x_28);
 lean_dec(x_6);
 lean_inc(x_2);
 lean_inc(x_1);
-x_29 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__3___rarg(x_1, x_2, x_3, x_28);
+x_29 = l_Lean_getDelayedMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__2___rarg(x_1, x_2, x_3, x_28);
 x_30 = lean_alloc_closure((void*)(l_Lean_occursCheck_visitMVar___rarg___lambda__1), 4, 3);
 lean_closure_set(x_30, 0, x_1);
 lean_closure_set(x_30, 1, x_2);
@@ -1669,7 +1294,7 @@ if (x_56 == 0)
 lean_object* x_57; lean_object* x_58; lean_object* x_59; 
 x_57 = lean_ctor_get(x_7, 0);
 lean_dec(x_57);
-x_58 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_58 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 lean_ctor_set(x_7, 0, x_58);
 x_59 = lean_apply_2(x_1, lean_box(0), x_7);
 return x_59;
@@ -1680,7 +1305,7 @@ lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63;
 x_60 = lean_ctor_get(x_7, 1);
 lean_inc(x_60);
 lean_dec(x_7);
-x_61 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_61 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 x_62 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_62, 0, x_61);
 lean_ctor_set(x_62, 1, x_60);
@@ -1808,7 +1433,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_34 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_34 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 lean_ctor_set(x_8, 0, x_34);
 x_35 = lean_apply_2(x_1, lean_box(0), x_8);
 return x_35;
@@ -1858,7 +1483,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_46 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_46 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 x_47 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_47, 0, x_46);
 lean_ctor_set(x_47, 1, x_36);
@@ -1886,7 +1511,7 @@ lean_dec(x_1);
 x_8 = lean_ctor_get(x_7, 1);
 lean_inc(x_8);
 lean_dec(x_7);
-x_9 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1;
+x_9 = l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1;
 x_10 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_10, 0, x_9);
 lean_ctor_set(x_10, 1, x_5);
@@ -1937,15 +1562,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_occursCheck_visit___rarg), 5, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__1(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-return x_5;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_occursCheck___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
@@ -2057,10 +1673,8 @@ lean_dec_ref(res);
 res = initialize_Lean_MetavarContext(builtin, lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1 = _init_l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1();
-lean_mark_persistent(l_Lean_markUsedAssignment___at_Lean_occursCheck_visitMVar___spec__2___rarg___closed__1);
-l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1 = _init_l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1();
-lean_mark_persistent(l_Lean_getExprMVarAssignment_x3f___at_Lean_occursCheck_visitMVar___spec__1___rarg___lambda__4___closed__1);
+l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1 = _init_l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1();
+lean_mark_persistent(l_Lean_occursCheck_visitMVar___rarg___lambda__1___closed__1);
 l_Lean_occursCheck_visitMVar___rarg___closed__1 = _init_l_Lean_occursCheck_visitMVar___rarg___closed__1();
 lean_mark_persistent(l_Lean_occursCheck_visitMVar___rarg___closed__1);
 l_Lean_occursCheck___rarg___closed__1 = _init_l_Lean_occursCheck___rarg___closed__1();
diff --git a/stage0/stdlib/Lean/Util/PPExt.c b/stage0/stdlib/Lean/Util/PPExt.c
index f74212bdff..4f3c5672eb 100644
--- a/stage0/stdlib/Lean/Util/PPExt.c
+++ b/stage0/stdlib/Lean/Util/PPExt.c
@@ -395,23 +395,21 @@ return x_3;
 static lean_object* _init_l_Lean_PPContext_mctx___default___closed__6() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_PPContext_mctx___default___closed__3;
 x_3 = l_Lean_PPContext_mctx___default___closed__4;
 x_4 = l_Lean_PPContext_mctx___default___closed__5;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_PPContext_mctx___default() {
diff --git a/stage0/stdlib/Lean/Widget/Basic.c b/stage0/stdlib/Lean/Widget/Basic.c
index 2343762118..7435e84260 100644
--- a/stage0/stdlib/Lean/Widget/Basic.c
+++ b/stage0/stdlib/Lean/Widget/Basic.c
@@ -244,23 +244,21 @@ return x_3;
 static lean_object* _init_l_Lean_Widget_instInhabitedInfoWithCtx___closed__14() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Widget_instInhabitedInfoWithCtx___closed__12;
 x_3 = l_Lean_Widget_instInhabitedInfoWithCtx___closed__13;
 x_4 = l_Lean_Widget_instInhabitedInfoWithCtx___closed__4;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Widget_instInhabitedInfoWithCtx___closed__15() {
diff --git a/stage0/stdlib/Lean/Widget/InteractiveCode.c b/stage0/stdlib/Lean/Widget/InteractiveCode.c
index 5d84317846..e43a6dec87 100644
--- a/stage0/stdlib/Lean/Widget/InteractiveCode.c
+++ b/stage0/stdlib/Lean/Widget/InteractiveCode.c
@@ -273,23 +273,21 @@ return x_3;
 static lean_object* _init_l_Lean_Widget_instInhabitedSubexprInfo___closed__14() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Widget_instInhabitedSubexprInfo___closed__12;
 x_3 = l_Lean_Widget_instInhabitedSubexprInfo___closed__13;
 x_4 = l_Lean_Widget_instInhabitedSubexprInfo___closed__4;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Widget_instInhabitedSubexprInfo___closed__15() {
diff --git a/stage0/stdlib/Lean/Widget/InteractiveDiagnostic.c b/stage0/stdlib/Lean/Widget/InteractiveDiagnostic.c
index 8cf2438961..c71d989f4f 100644
--- a/stage0/stdlib/Lean/Widget/InteractiveDiagnostic.c
+++ b/stage0/stdlib/Lean/Widget/InteractiveDiagnostic.c
@@ -14068,23 +14068,21 @@ return x_3;
 static lean_object* _init_l_Lean_Widget_instInhabitedEmbedFmt___closed__13() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; uint8_t x_5; lean_object* x_6; 
+lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = lean_unsigned_to_nat(0u);
 x_2 = l_Lean_Widget_instInhabitedEmbedFmt___closed__11;
 x_3 = l_Lean_Widget_instInhabitedEmbedFmt___closed__12;
 x_4 = l_Lean_Widget_instInhabitedEmbedFmt___closed__4;
-x_5 = 0;
-x_6 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_6, 0, x_1);
-lean_ctor_set(x_6, 1, x_1);
-lean_ctor_set(x_6, 2, x_2);
-lean_ctor_set(x_6, 3, x_3);
-lean_ctor_set(x_6, 4, x_4);
-lean_ctor_set(x_6, 5, x_2);
-lean_ctor_set(x_6, 6, x_3);
-lean_ctor_set(x_6, 7, x_3);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_5);
-return x_6;
+x_5 = lean_alloc_ctor(0, 8, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_1);
+lean_ctor_set(x_5, 2, x_2);
+lean_ctor_set(x_5, 3, x_3);
+lean_ctor_set(x_5, 4, x_4);
+lean_ctor_set(x_5, 5, x_2);
+lean_ctor_set(x_5, 6, x_3);
+lean_ctor_set(x_5, 7, x_3);
+return x_5;
 }
 }
 static lean_object* _init_l_Lean_Widget_instInhabitedEmbedFmt___closed__14() {