diff --git a/stage0/src/Lean/Elab/App.lean b/stage0/src/Lean/Elab/App.lean
index 708eece8bc..ba9b514eb0 100644
--- a/stage0/src/Lean/Elab/App.lean
+++ b/stage0/src/Lean/Elab/App.lean
@@ -83,22 +83,36 @@ def synthesizeAppInstMVars (instMVars : Array MVarId) (app : Expr) : TermElabM U
 
 namespace ElabAppArgs
 
+structure Context where
+  /--
+   `true` if `..` was used
+  -/
+  ellipsis      : Bool  --
+  /--
+   `true` if `@` modifier was used
+  -/
+  explicit      : Bool
+  /--
+    `true` if we should add a "coercion placeholder" at the result if its type is an `outParam` of some local instance.
+    We also mark the type variable as a `syntheticOpaque
+  -/
+  coeAtOutParam : Bool
+
 /- Auxiliary structure for elaborating the application `f args namedArgs`. -/
 structure State where
-  explicit          : Bool -- true if `@` modifier was used
-  f                 : Expr
-  fType             : Expr
-  args              : List Arg            -- remaining regular arguments
-  namedArgs         : List NamedArg       -- remaining named arguments to be processed
-  ellipsis          : Bool := false
-  expectedType?     : Option Expr
-  etaArgs           : Array Expr   := #[]
-  toSetErrorCtx     : Array MVarId := #[] -- metavariables that we need the set the error context using the application being built
-  instMVars         : Array MVarId := #[] -- metavariables for the instance implicit arguments that have already been processed
+  f                    : Expr
+  fType                : Expr
+  args                 : List Arg            -- remaining regular arguments
+  namedArgs            : List NamedArg       -- remaining named arguments to be processed
+  expectedType?        : Option Expr
+  etaArgs              : Array Expr   := #[]
+  toSetErrorCtx        : Array MVarId := #[] -- metavariables that we need the set the error context using the application being built
+  instMVars            : Array MVarId := #[] -- metavariables for the instance implicit arguments that have already been processed
   -- The following field is used to implement the `propagateExpectedType` heuristic.
-  propagateExpected : Bool  -- true when expectedType has not been propagated yet
+  propagateExpected    : Bool  -- true when expectedType has not been propagated yet
+  resultTypeOutParam?  : Option MVarId := none
 
-abbrev M := StateRefT State TermElabM
+abbrev M := ReaderT Context (StateRefT State TermElabM)
 
 /- Add the given metavariable to the collection of metavariables associated with instance-implicit arguments. -/
 private def addInstMVar (mvarId : MVarId) : M Unit :=
@@ -112,7 +126,7 @@ def synthesizeAppInstMVars : M Unit := do
   let s ← get
   let instMVars := s.instMVars
   modify fun s => { s with instMVars := #[] }
-  Lean.Elab.Term.synthesizeAppInstMVars instMVars s.f
+  Term.synthesizeAppInstMVars instMVars s.f
 
 /- fType may become a forallE after we synthesize pending metavariables. -/
 private def synthesizePendingAndNormalizeFunType : M Unit := do
@@ -294,7 +308,7 @@ private def propagateExpectedType (arg : Arg) : M Unit := do
         else
           let numRemainingArgs := s.args.length
           trace[Elab.app.propagateExpectedType] "etaArgs.size: {s.etaArgs.size}, numRemainingArgs: {numRemainingArgs}, fType: {s.fType}"
-          match getForallBody s.explicit numRemainingArgs s.namedArgs s.fType with
+          match getForallBody (← read).explicit numRemainingArgs s.namedArgs s.fType with
           | none           => pure ()
           | some fTypeBody =>
             unless fTypeBody.hasLooseBVars do
@@ -304,7 +318,6 @@ private def propagateExpectedType (arg : Arg) : M Unit := do
                   /- Note that we only set `propagateExpected := false` when propagation has succeeded. -/
                   modify fun s => { s with propagateExpected := false }
 
-
 /- This method execute after all application arguments have been processed. -/
 private def finalize : M Expr := do
   let s ← get
@@ -326,9 +339,31 @@ private def finalize : M Expr := do
   match s.expectedType? with
   | none              => pure ()
   | some expectedType =>
-     trace[Elab.app.finalize] "expected type: {expectedType}"
-     -- Try to propagate expected type. Ignore if types are not definitionally equal, caller must handle it.
-     discard <| isDefEq expectedType eType
+    let shouldCreateCoe ← do
+      /- Recall that `resultTypeOutParam? = some mvarId` if the function result type is the output parameter
+         of a local instance. The value of this parameter may be inferable using other arguments. For example,
+         suppose we have
+         ```lean
+         def add_one {X} [Trait X] [One (Trait.R X)] [HAdd X (Trait.R X) X] (x : X) : X := x + (One.one : (Trait.R X))
+         ```
+         from test `948.lean`. There are multiple ways to infer `X`, and we don't want to mark it as `syntheticOpaque`.
+      -/
+      if let some outParamMVarId := s.resultTypeOutParam? then
+        /- If `eType != mkMVar outParamMVarId`, then the
+           function is partially applied, and we do not create coercion placeholder. -/
+        if !(← isExprMVarAssigned outParamMVarId) && eType.isMVar && eType.mvarId! == outParamMVarId then
+          setMVarKind outParamMVarId .syntheticOpaque
+          pure true
+        else
+          pure false
+      else
+        pure false
+    if shouldCreateCoe then
+      e ← mkCoe expectedType eType e
+    else
+      -- Try to propagate expected type. Ignore if types are not definitionally equal, caller must handle it.
+      trace[Elab.app.finalize] "expected type: {expectedType}"
+      discard <| isDefEq expectedType eType
   synthesizeAppInstMVars
   return e
 
@@ -353,12 +388,82 @@ private def hasArgsToProcess : M Bool := do
   let s ← get
   return !s.args.isEmpty || !s.namedArgs.isEmpty
 
-/- Return true if the next argument at `args` is of the form `_` -/
+/- Return `true` if the next argument at `args` is of the form `_` -/
 private def isNextArgHole : M Bool := do
   match (← get).args with
   | Arg.stx (Syntax.node _ ``Lean.Parser.Term.hole _) :: _ => pure true
   | _ => pure false
 
+/--
+  Return `true` if the next argument to be processed is the outparam of a local instance, and it the result type
+  of the function.
+
+  For example, suppose we have the class
+  ```lean
+  class Get (Cont : Type u) (Idx : Type v) (Elem : outParam (Type w)) where
+    get (xs : Cont) (i : Idx) : Elem
+  ```
+  And the current value of `fType` is
+  ```
+  {Cont : Type u_1} → {Idx : Type u_2} → {Elem : Type u_3} → [self : Get Cont Idx Elem] → Cont → Idx → Elem
+  ```
+  then the result returned by this method is `false` since `Cont` is not the output param of any local instance.
+  Now assume `fType` is
+  ```
+  {Elem : Type u_3} → [self : Get Cont Idx Elem] → Cont → Idx → Elem
+  ```
+  then, the method returns `true` because `Elem` is an output parameter for the local instance `[self : Get Cont Idx Elem]`.
+
+  Remark: if `coeAtOutParam` is `false`, this method returns `false`.
+-/
+private partial def isNextOutParamOfLocalInstanceAndResult : M Bool := do
+  if !(← read).coeAtOutParam then
+    return false
+  let type := (← get).fType.bindingBody!
+  unless isResultType type 0 do
+    return false
+  if (← hasLocalInstaceWithOutParams type) then
+    let x := mkFVar (← mkFreshFVarId)
+    isOutParamOfLocalInstance x (type.instantiate1 x)
+  else
+    return false
+where
+  isResultType (type : Expr) (i : Nat) : Bool :=
+    match type with
+    | .forallE _ _ b _ => isResultType b (i + 1)
+    | .bvar idx _      => idx == i
+    | _                => false
+
+  /- (quick filter) Return true if `type` constains a binder `[C ...]` where `C` is a class containing outparams. -/
+  hasLocalInstaceWithOutParams (type : Expr) : CoreM Bool := do
+    let .forallE _ d b c := type | return false
+    if c.binderInfo.isInstImplicit then
+      if let .const declName .. := d.getAppFn then
+        if hasOutParams (← getEnv) declName then
+          return true
+    hasLocalInstaceWithOutParams b
+
+  isOutParamOfLocalInstance (x : Expr) (type : Expr) : MetaM Bool := do
+    let .forallE _ d b c := type | return false
+    if c.binderInfo.isInstImplicit then
+      if let .const declName .. := d.getAppFn then
+        if hasOutParams (← getEnv) declName then
+          let cType ← inferType d.getAppFn
+          if (← isOutParamOf x 0 d.getAppArgs cType) then
+            return true
+    isOutParamOfLocalInstance x b
+
+  isOutParamOf (x : Expr) (i : Nat) (args : Array Expr) (cType : Expr) : MetaM Bool := do
+    if h : i < args.size then
+      match (← whnf cType) with
+      | .forallE _ d b _ =>
+        let arg := args.get ⟨i, h⟩
+        if arg == x && d.isOutParam then
+          return true
+        isOutParamOf x (i+1) args b
+      | _ => return false
+    else
+      return false
 
 mutual
   /-
@@ -374,7 +479,16 @@ mutual
 
   private partial def addImplicitArg (argName : Name) : M Expr := do
     let argType ← getArgExpectedType
-    let arg ← mkFreshExprMVar argType
+    let arg ← if (← isNextOutParamOfLocalInstanceAndResult) then
+      let arg ← mkFreshExprMVar argType
+      /- When the result type is an output parameter, we don't want to propagate the expected type.
+         So, we just mark `propagateExpected := false` to disable it.
+         At `finalize`, we check whether `arg` is still unassigned and promote it to a `syntheticOpaque`
+         to make sure it is not assigned but type inference until it is synthesized by type inference. -/
+      modify fun s => { s with resultTypeOutParam? := some arg.mvarId!, propagateExpected := false }
+      pure arg
+    else
+      mkFreshExprMVar argType
     modify fun s => { s with toSetErrorCtx := s.toSetErrorCtx.push arg.mvarId! }
     addNewArg argName arg
     main
@@ -383,8 +497,7 @@ mutual
     Process a `fType` of the form `(x : A) → B x`.
     This method assume `fType` is a function type -/
   private partial def processExplictArg (argName : Name) : M Expr := do
-    let s ← get
-    match s.args with
+    match (← get).args with
     | arg::args =>
       propagateExpectedType arg
       modify fun s => { s with args }
@@ -392,7 +505,7 @@ mutual
       main
     | _ =>
       let argType ← getArgExpectedType
-      match s.explicit, argType.getOptParamDefault?, argType.getAutoParamTactic? with
+      match (← read).explicit, argType.getOptParamDefault?, argType.getAutoParamTactic? with
       | false, some defVal, _  => addNewArg argName defVal; main
       | false, _, some (Expr.const tacticDecl _ _) =>
         let env ← getEnv
@@ -409,15 +522,15 @@ mutual
       | false, _, some _ =>
         throwError "invalid autoParam, argument must be a constant"
       | _, _, _ =>
-        if !s.namedArgs.isEmpty then
+        if !(← get).namedArgs.isEmpty then
           if (← anyNamedArgDependsOnCurrent) then
             addImplicitArg argName
           else
             addEtaArg argName
-        else if !s.explicit then
+        else if !(← read).explicit then
           if (← fTypeHasOptAutoParams) then
             addEtaArg argName
-          else if (← get).ellipsis then
+          else if (← read).ellipsis then
             addImplicitArg argName
           else
             finalize
@@ -428,7 +541,7 @@ mutual
     Process a `fType` of the form `{x : A} → B x`.
     This method assume `fType` is a function type -/
   private partial def processImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       processExplictArg argName
     else
       addImplicitArg argName
@@ -437,7 +550,7 @@ mutual
     Process a `fType` of the form `{{x : A}} → B x`.
     This method assume `fType` is a function type -/
   private partial def processStrictImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       processExplictArg argName
     else if (← hasArgsToProcess) then
       addImplicitArg argName
@@ -448,7 +561,7 @@ mutual
     Process a `fType` of the form `[x : A] → B x`.
     This method assume `fType` is a function type -/
   private partial def processInstImplicitArg (argName : Name) : M Expr := do
-    if (← get).explicit then
+    if (← read).explicit then
       if (← isNextArgHole) then
         /- Recall that if '@' has been used, and the argument is '_', then we still use type class resolution -/
         let arg ← mkFreshExprMVar (← getArgExpectedType) MetavarKind.synthetic
@@ -499,16 +612,18 @@ private def propagateExpectedTypeFor (f : Expr) : TermElabM Bool :=
   | _ => return true
 
 def elabAppArgs (f : Expr) (namedArgs : Array NamedArg) (args : Array Arg)
-    (expectedType? : Option Expr) (explicit ellipsis : Bool) : TermElabM Expr := do
+    (expectedType? : Option Expr) (explicit ellipsis : Bool) (coeAtOutParam := true) : TermElabM Expr := do
+  -- Coercions must be available to use this flag.
+  -- If `@` is used (i.e., `explicit = true`), we disable `coeAtOutParam`.
+  let coeAtOutParam := ((← getEnv).contains ``Lean.Internal.coeM) && coeAtOutParam && !explicit
   let fType ← inferType f
   let fType ← instantiateMVars fType
   trace[Elab.app.args] "explicit: {explicit}, {f} : {fType}"
   unless namedArgs.isEmpty && args.isEmpty do
     tryPostponeIfMVar fType
-  ElabAppArgs.main.run' {
+  ElabAppArgs.main.run { explicit, ellipsis, coeAtOutParam } |>.run' {
     args := args.toList
-    expectedType? := expectedType?
-    explicit, ellipsis, f, fType
+    expectedType?, f, fType
     namedArgs := namedArgs.toList
     propagateExpected := (← propagateExpectedTypeFor f)
   }
diff --git a/stage0/src/Lean/Elab/BuiltinNotation.lean b/stage0/src/Lean/Elab/BuiltinNotation.lean
index eb4e4f4687..8abc77d4e6 100644
--- a/stage0/src/Lean/Elab/BuiltinNotation.lean
+++ b/stage0/src/Lean/Elab/BuiltinNotation.lean
@@ -304,7 +304,8 @@ See the Chapter "Quantifiers and Equality" in the manual "Theorem Proving in Lea
   let expectedType? ← tryPostponeIfHasMVars? expectedType?
   match stx with
   | `($heqStx ▸ $hStx) => do
-     let mut heq ← elabTerm heqStx none
+     synthesizeSyntheticMVars
+     let mut heq ← withSynthesize <| elabTerm heqStx none
      let heqType ← inferType heq
      let heqType ← instantiateMVars heqType
      match (← Meta.matchEq? heqType) with
@@ -322,7 +323,7 @@ See the Chapter "Quantifiers and Equality" in the manual "Theorem Proving in Lea
          unless expectedAbst.hasLooseBVars do
            expectedAbst ← kabstract expectedType lhs
            unless expectedAbst.hasLooseBVars do
-             throwError "invalid `▸` notation, expected result type of cast is {indentExpr expectedType}\n.However, the equality {indentExpr heq}\nof type {indentExpr heqType}\ndoes not contain the expected result type on either the left or the right hand side"
+             throwError "invalid `▸` notation, expected result type of cast is {indentExpr expectedType}\nhowever, the equality {indentExpr heq}\nof type {indentExpr heqType}\ndoes not contain the expected result type on either the left or the right hand side"
            heq ← mkEqSymm heq
            (lhs, rhs) := (rhs, lhs)
          let hExpectedType := expectedAbst.instantiate1 lhs
diff --git a/stage0/src/Lean/Elab/Do.lean b/stage0/src/Lean/Elab/Do.lean
index 7fc4a4a06b..33b6f09285 100644
--- a/stage0/src/Lean/Elab/Do.lean
+++ b/stage0/src/Lean/Elab/Do.lean
@@ -1385,11 +1385,13 @@ mutual
       let doForDecls := doForDecls.eraseIdx 1
       let body := doFor[3]
       withFreshMacroScope do
-        let toStreamFn ← withRef ys ``(toStream)
+        /- Recall that `@` (explicit) disables `coeAtOutParam`.
+           We used `@` at `Stream` functions to make sure `coeAtOutParam` is not used. -/
+        let toStreamApp ← withRef ys `(@toStream _ _ _ $ys)
         let auxDo ←
-          `(do let mut s := $toStreamFn:ident $ys
+          `(do let mut s := $toStreamApp:term
                for $doForDecls:doForDecl,* do
-                 match Stream.next? s with
+                 match @Stream.next? _ _ _ s with
                  | none => break
                  | some ($y, s') =>
                    s := s'
diff --git a/stage0/src/Lean/Elab/Extra.lean b/stage0/src/Lean/Elab/Extra.lean
index 6d5e8812d6..2b65c1cbb5 100644
--- a/stage0/src/Lean/Elab/Extra.lean
+++ b/stage0/src/Lean/Elab/Extra.lean
@@ -40,7 +40,7 @@ private def throwForInFailure (forInInstance : Expr) : TermElabM Expr :=
         match (← trySynthInstance forInInstance) with
         | LOption.some _   =>
           let forInFn ← mkConst ``forIn
-          elabAppArgs forInFn #[] #[Arg.stx col, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false)
+          elabAppArgs forInFn #[] #[Arg.stx col, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
         | LOption.undef    => tryPostpone; throwForInFailure forInInstance
         | LOption.none     => throwForInFailure forInInstance
   | _ => throwUnsupportedSyntax
@@ -64,7 +64,7 @@ private def throwForInFailure (forInInstance : Expr) : TermElabM Expr :=
         match (← trySynthInstance forInInstance) with
         | LOption.some _   =>
           let forInFn ← mkConst ``forIn'
-          elabAppArgs forInFn #[] #[Arg.expr colFVar, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false)
+          elabAppArgs forInFn #[] #[Arg.expr colFVar, Arg.stx init, Arg.stx body] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
         | LOption.undef    => tryPostpone; throwForInFailure forInInstance
         | LOption.none     => throwForInFailure forInInstance
   | _ => throwUnsupportedSyntax
@@ -195,7 +195,7 @@ where
                  modify fun s => { s with hasUncomparable := true }
 
 private def mkOp (f : Expr) (lhs rhs : Expr) : TermElabM Expr :=
-  elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] (expectedType? := none) (explicit := false) (ellipsis := false)
+  elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] (expectedType? := none) (explicit := false) (ellipsis := false) (coeAtOutParam := false)
 
 private def toExpr (t : Tree) : TermElabM Expr := do
   match t with
@@ -325,7 +325,7 @@ def elabBinRelCore (noProp : Bool) (stx : Syntax) (expectedType? : Option Expr)
       let rhs ← toBoolIfNecessary rhs
       let lhsType ← inferType lhs
       let rhs ← ensureHasType lhsType rhs
-      elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] expectedType? (explicit := false) (ellipsis := false)
+      elabAppArgs f #[] #[Arg.expr lhs, Arg.expr rhs] expectedType? (explicit := false) (ellipsis := false) (coeAtOutParam := false)
     else
       let mut maxType := r.max?.get!
       /- If `noProp == true` and `maxType` is `Prop`, then set `maxType := Bool`. `See toBoolIfNecessary` -/
diff --git a/stage0/src/Lean/Elab/MutualDef.lean b/stage0/src/Lean/Elab/MutualDef.lean
index 7f07b62197..e9bf55e75f 100644
--- a/stage0/src/Lean/Elab/MutualDef.lean
+++ b/stage0/src/Lean/Elab/MutualDef.lean
@@ -796,6 +796,8 @@ where
             return preDef
           else
             return { preDef with value := (← eraseAuxDiscr preDef.value) }
+        for preDef in preDefs do
+          trace[Elab.definition] "after eraseAuxDiscr, {preDef.declName} : {preDef.type} :=\n{preDef.value}"
         checkForHiddenUnivLevels allUserLevelNames preDefs
         addPreDefinitions preDefs hints
         processDeriving headers
diff --git a/stage0/src/Lean/Elab/SyntheticMVars.lean b/stage0/src/Lean/Elab/SyntheticMVars.lean
index e1271338d4..7d34da6163 100644
--- a/stage0/src/Lean/Elab/SyntheticMVars.lean
+++ b/stage0/src/Lean/Elab/SyntheticMVars.lean
@@ -74,7 +74,10 @@ private def synthesizePendingCoeInstMVar
     (auxMVarId : MVarId) (errorMsgHeader? : Option String) (eNew : Expr) (expectedType : Expr) (eType : Expr) (e : Expr) (f? : Option Expr) : TermElabM Bool := do
   let instMVarId := eNew.appArg!.mvarId!
   withMVarContext instMVarId do
-    if (← isDefEq expectedType eType) then
+    let eType ← instantiateMVars eType
+    if (← isSyntheticMVar eType) then
+      return false
+    if (← withDefault <| isDefEq expectedType eType) then
       /- This case may seem counterintuitive since we created the coercion
          because the `isDefEq expectedType eType` test failed before.
          However, it may succeed here because we have more information, for example, metavariables
@@ -168,8 +171,13 @@ where
       let candidate ← mkConstWithFreshMVarLevels defaultInstance
       let (mvars, bis, _) ← forallMetaTelescopeReducing (← inferType candidate)
       let candidate := mkAppN candidate mvars
-      if (← isDefEqGuarded (mkMVar mvarId) candidate) then
+      trace[Elab.defaultInstance] "{toString (mkMVar mvarId)}, {mkMVar mvarId} : {← inferType (mkMVar mvarId)} =?= {candidate} : {← inferType candidate}"
+      /- The `coeAtOutParam` feature may mark output parameters of local instances as `syntheticOpaque`.
+         This kind of parameter is not assignable by default. We use `withAssignableSyntheticOpaque` to workaround this behavior
+         when processing default instances. TODO: try to avoid `withAssignableSyntheticOpaque`. -/
+      if (← withAssignableSyntheticOpaque <| isDefEqGuarded (mkMVar mvarId) candidate) then
         -- Succeeded. Collect new TC problems
+        trace[Elab.defaultInstance] "isDefEq worked {mkMVar mvarId} : {← inferType (mkMVar mvarId)} =?= {candidate} : {← inferType candidate}"
         let mut pending := []
         for i in [:bis.size] do
           if bis[i]! == BinderInfo.instImplicit then
diff --git a/stage0/src/Lean/Elab/Tactic/ElabTerm.lean b/stage0/src/Lean/Elab/Tactic/ElabTerm.lean
index c19ebbc9fe..730792c876 100644
--- a/stage0/src/Lean/Elab/Tactic/ElabTerm.lean
+++ b/stage0/src/Lean/Elab/Tactic/ElabTerm.lean
@@ -38,7 +38,7 @@ def elabTermEnsuringType (stx : Syntax) (expectedType? : Option Expr) (mayPostpo
     let eType ← inferType e
     -- We allow synthetic opaque metavars to be assigned in the following step since the `isDefEq` is not really
     -- part of the elaboration, but part of the tactic. See issue #492
-    unless (← withAssignableSyntheticOpaque do isDefEq eType expectedType) do
+    unless (← withAssignableSyntheticOpaque <| isDefEq eType expectedType) do
       Term.throwTypeMismatchError none expectedType eType e
     return e
 
diff --git a/stage0/src/Lean/Elab/Tactic/Induction.lean b/stage0/src/Lean/Elab/Tactic/Induction.lean
index b8a46f7076..723912572c 100644
--- a/stage0/src/Lean/Elab/Tactic/Induction.lean
+++ b/stage0/src/Lean/Elab/Tactic/Induction.lean
@@ -127,7 +127,7 @@ partial def mkElimApp (elimInfo : ElimInfo) (targets : Array Expr) (tag : Name)
           throwError "insufficient number of targets for '{elimInfo.name}'"
         let target := ctx.targets[s.targetPos]!
         let expectedType ← getArgExpectedType
-        let target ← withConfig (fun cfg => { cfg with assignSyntheticOpaque := true }) do Term.ensureHasType expectedType target
+        let target ← withAssignableSyntheticOpaque <| Term.ensureHasType expectedType target
         modify fun s => { s with targetPos := s.targetPos + 1 }
         addNewArg target
       else match c.binderInfo with
diff --git a/stage0/src/Lean/Elab/Term.lean b/stage0/src/Lean/Elab/Term.lean
index d8b57fba80..183db91174 100644
--- a/stage0/src/Lean/Elab/Term.lean
+++ b/stage0/src/Lean/Elab/Term.lean
@@ -691,7 +691,7 @@ partial def visit (e : Expr) : M Unit := do
         visit e'
       else
         match (← getDelayedMVarAssignment? mvarId) with
-        | some d => visit d.val
+        | some d => visit (mkMVar d.mvarIdPending)
         | none   => failure
     | _ => return ()
 
@@ -818,7 +818,7 @@ private def tryCoe (errorMsgHeader? : Option String) (expectedType : Expr) (eTyp
     return e
   else match (← tryCoeThunk? expectedType eType e) with
     | some r => return r
-    | none   => mkCoe expectedType eType e f? errorMsgHeader?
+    | none   => trace[Elab.coe] "adding coercion for {e} : {eType} =?= {expectedType}"; mkCoe expectedType eType e f? errorMsgHeader?
 
 /-- Return `some (m, α)` if `type` can be reduced to an application of the form `m α` using `[reducible]` transparency. -/
 def isTypeApp? (type : Expr) : TermElabM (Option (Expr × Expr)) := do
diff --git a/stage0/src/Lean/Meta/Basic.lean b/stage0/src/Lean/Meta/Basic.lean
index 2bc154b231..43e970fcc9 100644
--- a/stage0/src/Lean/Meta/Basic.lean
+++ b/stage0/src/Lean/Meta/Basic.lean
@@ -496,6 +496,16 @@ def getMVarDecl (mvarId : MVarId) : MetaM MetavarDecl := do
   | some d => pure d
   | none   => throwError "unknown metavariable '?{mvarId.name}'"
 
+def getMVarDeclKind (mvarId : MVarId) : MetaM MetavarKind :=
+  return (← getMVarDecl mvarId).kind
+
+/-- Reture `true` if `e` is a synthetic (or synthetic opaque) metavariable -/
+def isSyntheticMVar (e : Expr) : MetaM Bool := do
+  if e.isMVar then
+     return (← getMVarDeclKind e.mvarId!) matches .synthetic | .syntheticOpaque
+  else
+     return false
+
 def setMVarKind (mvarId : MVarId) (kind : MetavarKind) : MetaM Unit :=
   modifyMCtx fun mctx => mctx.setMVarKind mvarId kind
 
diff --git a/stage0/src/Lean/Meta/CollectMVars.lean b/stage0/src/Lean/Meta/CollectMVars.lean
index bb3fdcbd94..aebdddb8f8 100644
--- a/stage0/src/Lean/Meta/CollectMVars.lean
+++ b/stage0/src/Lean/Meta/CollectMVars.lean
@@ -26,7 +26,7 @@ partial def collectMVars (e : Expr) : StateRefT CollectMVars.State MetaM Unit :=
   for mvarId in s.result[resultSavedSize:] do
     match (← getDelayedMVarAssignment? mvarId) with
     | none   => pure ()
-    | some d => collectMVars d.val
+    | some d => collectMVars (mkMVar d.mvarIdPending)
 
 /-- Return metavariables in occuring the given expression. See `collectMVars` -/
 def getMVars (e : Expr) : MetaM (Array MVarId) := do
diff --git a/stage0/src/Lean/Meta/ExprDefEq.lean b/stage0/src/Lean/Meta/ExprDefEq.lean
index ccb417507c..6880db6d68 100644
--- a/stage0/src/Lean/Meta/ExprDefEq.lean
+++ b/stage0/src/Lean/Meta/ExprDefEq.lean
@@ -1265,15 +1265,25 @@ private def isAssigned : Expr → MetaM Bool
   | Expr.mvar mvarId _ => isExprMVarAssigned mvarId
   | _                  => pure false
 
-private def isDelayedAssignedHead (tFn : Expr) (t : Expr) : MetaM Bool := do
-  match tFn with
-  | Expr.mvar mvarId _ =>
-    if (← isMVarDelayedAssigned mvarId) then
-      let tNew ← instantiateMVars t
-      return tNew != t
-    else
-      pure false
-  | _ => pure false
+private def expandDelayedAssigned? (t : Expr) : MetaM (Option Expr) := do
+  let tFn := t.getAppFn
+  if !tFn.isMVar then return none
+  let some { fvars, mvarIdPending } ← getDelayedMVarAssignment? tFn.mvarId! | return none
+  let tNew ← instantiateMVars t
+  if tNew != t then return some tNew
+  /-
+    If `assignSyntheticOpaque` is true, we must follow the delayed assignment.
+    Recall a delayed assignment `mvarId [xs] := mvarIdPending` is morally an assingment
+    `mvarId := fun xs => mvarIdPending` where `xs` are free variables in the scope of `mvarIdPending`,
+    but not in the scope of `mvarId`. We can only perform the abstraction when `mvarIdPending` has been fully synthesized.
+    That is, `instantiateMVars (mkMVar mvarIdPending)` does not contain any expression metavariables.
+    Here we just consume `fvar.size` arguments. That is, if `t` is of the form `mvarId as bs` where `as.size == fvars.size`,
+    we return `mvarIdPending bs`.
+   -/
+  unless (← getConfig).assignSyntheticOpaque do return none
+  let tArgs := t.getAppArgs
+  if tArgs.size < fvars.size then return none
+  return some (mkAppRange (mkMVar mvarIdPending) fvars.size tArgs.size tArgs)
 
 private def isSynthetic : Expr → MetaM Bool
   | Expr.mvar mvarId _ => do
@@ -1409,11 +1419,9 @@ private partial def isDefEqQuickOther (t s : Expr) : MetaM LBool := do
     else if (← isAssigned sFn) then
       let s ← instantiateMVars s
       isDefEqQuick t s
-    else if (← isDelayedAssignedHead tFn t) then
-      let t ← instantiateMVars t
+    else if let some t ← expandDelayedAssigned? t then
       isDefEqQuick t s
-    else if (← isDelayedAssignedHead sFn s) then
-      let s ← instantiateMVars s
+    else if let some s ← expandDelayedAssigned? s then
       isDefEqQuick t s
     /- Remark: we do not eagerly synthesize synthetic metavariables when the constraint is not stuck.
        Reason: we may fail to solve a constraint of the form `?x =?= A` when the synthesized instance
diff --git a/stage0/src/Lean/Meta/SynthInstance.lean b/stage0/src/Lean/Meta/SynthInstance.lean
index 379cbc1604..5b1ee1b2af 100644
--- a/stage0/src/Lean/Meta/SynthInstance.lean
+++ b/stage0/src/Lean/Meta/SynthInstance.lean
@@ -690,7 +690,10 @@ def synthInstance? (type : Expr) (maxResultSize? : Option Nat := none) : MetaM (
           let (_, _, result) ← openAbstractMVarsResult result
           trace[Meta.synthInstance] "result {result}"
           let resultType ← inferType result
-          if (← withDefault <| isDefEq type resultType) then
+          /- Output parameters of local instances may be marked as `syntheticOpaque` by the application-elaborator.
+             We use `withAssignableSyntheticOpaque` to make sure this kind of parameter can be assigned by the following `isDefEq`.
+             TODO: rewrite this check to avoid `withAssignableSyntheticOpaque`. -/
+          if (← withDefault <| withAssignableSyntheticOpaque <| isDefEq type resultType) then
             let result ← instantiateMVars result
             /- We use `check` to propogate universe constraints implied by the `result`.
                Recall that we use `ignoreLevelMVarDepth := true` which allows universe metavariables in the current depth to be assigned,
diff --git a/stage0/src/Lean/Meta/WHNF.lean b/stage0/src/Lean/Meta/WHNF.lean
index 8dd7b25d95..7bc422c619 100644
--- a/stage0/src/Lean/Meta/WHNF.lean
+++ b/stage0/src/Lean/Meta/WHNF.lean
@@ -444,7 +444,7 @@ def reduceProj? (e : Expr) : MetaM (Option Expr) := do
   | Expr.proj _ i c _ => project? c i
   | _                 => return none
 
-/-
+/--
   Auxiliary method for reducing terms of the form `?m t_1 ... t_n` where `?m` is delayed assigned.
   Recall that we can only expand a delayed assignment when all holes/metavariables in the assigned value have been "filled".
 -/
@@ -452,13 +452,13 @@ private def whnfDelayedAssigned? (f' : Expr) (e : Expr) : MetaM (Option Expr) :=
   if f'.isMVar then
     match (← getDelayedMVarAssignment? f'.mvarId!) with
     | none => return none
-    | some { fvars := fvars, val := val, .. } =>
+    | some { fvars, mvarIdPending } =>
       let args := e.getAppArgs
       if fvars.size > args.size then
         -- Insufficient number of argument to expand delayed assignment
         return none
       else
-        let newVal ← instantiateMVars val
+        let newVal ← instantiateMVars (mkMVar mvarIdPending)
         if newVal.hasExprMVar then
            -- Delayed assignment still contains metavariables
            return none
diff --git a/stage0/src/Lean/MetavarContext.lean b/stage0/src/Lean/MetavarContext.lean
index 76ff9cca90..f24341ddd1 100644
--- a/stage0/src/Lean/MetavarContext.lean
+++ b/stage0/src/Lean/MetavarContext.lean
@@ -260,13 +260,14 @@ structure MetavarDecl where
   deriving Inhabited
 
 /--
-  A delayed assignment for a metavariable `?m`. It represents an assignment of the form
-  `?m := (fun fvars => val)`. The local context `lctx` provides the declarations for `fvars`.
-  Note that `fvars` may not be defined in the local context for `?m`.
+  A delayed assignment for a metavariable `?m`. It represents an assignment of the form `?m := (fun fvars => (mkMVar mvarIdPending))`.
+  `mvarIdPending` is a `syntheticOpaque` metavariable that has not been synthesized yet. The delayed assignment becomes a real one
+  as soon as `mvarIdPending` has been fully synthesized.
+  `fvars` are variables in the `mvarIdPending` local context.
 -/
 structure DelayedMetavarAssignment where
-  fvars    : Array Expr
-  val      : Expr
+  fvars         : Array Expr
+  mvarIdPending : MVarId
 
 open Std (HashMap PersistentHashMap)
 
@@ -328,9 +329,7 @@ def getDelayedMVarAssignment? [Monad m] [MonadMCtx m] (mvarId : MVarId) : m (Opt
    If `mvarId₁` is not delayed assigned then return `mvarId₁` -/
 partial def getDelayedMVarRoot [Monad m] [MonadMCtx m] (mvarId : MVarId) : m MVarId := do
   match (← getDelayedMVarAssignment? mvarId) with
-  | some d => match d.val.getAppFn with
-    | Expr.mvar mvarId _ => getDelayedMVarRoot mvarId
-    | _                  => return mvarId
+  | some d => getDelayedMVarRoot d.mvarIdPending
   | none   => return mvarId
 
 def isLevelMVarAssigned [Monad m] [MonadMCtx m] (mvarId : MVarId) : m Bool := do
@@ -424,11 +423,8 @@ def assignLevelMVar [MonadMCtx m] (mvarId : MVarId) (val : Level) : m Unit :=
 def assignExprMVar [MonadMCtx m] (mvarId : MVarId) (val : Expr) : m Unit :=
   modifyMCtx fun m => { m with eAssignment := m.eAssignment.insert mvarId val, usedAssignment := true }
 
-def assignDelayedMVar [MonadMCtx m] (mvarId : MVarId) (fvars : Array Expr) (val : Expr) : m Unit :=
-  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, val }, usedAssignment := true }
-
-def eraseDelayedMVar [MonadMCtx m] (mvarId : MVarId) : m Unit :=
-  modifyMCtx fun m => { m with dAssignment := m.dAssignment.erase mvarId, usedAssignment := true }
+def assignDelayedMVar [MonadMCtx m] (mvarId : MVarId) (fvars : Array Expr) (mvarIdPending : MVarId) : m Unit :=
+  modifyMCtx fun m => { m with dAssignment := m.dAssignment.insert mvarId { fvars, mvarIdPending }, usedAssignment := true }
 
 /-
 Notes on artificial eta-expanded terms due to metavariables.
@@ -491,7 +487,7 @@ partial def instantiateExprMVars [Monad m] [MonadMCtx m] [STWorld ω m] [MonadLi
       | Expr.mvar mvarId _ =>
         match (← getDelayedMVarAssignment? mvarId) with
         | none => instApp
-        | some { fvars, val, .. } =>
+        | some { fvars, mvarIdPending } =>
           /-
              Apply "delayed substitution" (i.e., delayed assignment + application).
              That is, `f` is some metavariable `?m`, that is delayed assigned to `val`.
@@ -505,7 +501,7 @@ partial def instantiateExprMVars [Monad m] [MonadMCtx m] [STWorld ω m] [MonadLi
                when we are checking for unassigned metavariables in an elaborated term. -/
             instArgs f
           else
-            let newVal ← instantiateExprMVars val
+            let newVal ← instantiateExprMVars (mkMVar mvarIdPending)
             if newVal.hasExprMVar then
               instArgs f
             else do
@@ -1023,43 +1019,37 @@ mutual
           That being said, we should try this approach as soon as we have an extensive test suite.
       -/
       let newMVarKind := if !(← isExprMVarAssignable mvarId) then MetavarKind.syntheticOpaque else mvarDecl.kind
-      /- If `mvarId` is the lhs of a delayed assignment `?m #[x_1, ... x_n] := val`,
-         then `nestedFVars` is `#[x_1, ..., x_n]`.
-         In this case, we produce a new `syntheticOpaque` metavariable `?n` and a delayed assignment
-         ```
-         ?n #[y_1, ..., y_m, x_1, ... x_n] := ?m x_1 ... x_n
-         ```
-         where `#[y_1, ..., y_m]` is `toRevert` after `collectForwardDeps`.
-
-         Remark: `newMVarKind != MetavarKind.syntheticOpaque ==> nestedFVars == #[]`
-      -/
-      let rec cont (nestedFVars : Array Expr) : M (Expr × Array Expr) := do
-        let args ← args.mapM (visit xs)
-        -- Note that `toRevert` only contains free variables since it is the result of `getInScope`
-        let toRevert ← collectForwardDeps mvarLCtx toRevert
-        let newMVarLCtx   := reduceLocalContext mvarLCtx toRevert
-        let newLocalInsts := mvarDecl.localInstances.filter fun inst => toRevert.all fun x => inst.fvar != x
-        -- Remark: we must reset the before processing `mkAuxMVarType` because `toRevert` may not be equal to `xs`
-        let newMVarType ← withFreshCache do mkAuxMVarType mvarLCtx toRevert newMVarKind mvarDecl.type
-        let newMVarId    := { name := (← get).ngen.curr }
-        let newMVar      := mkMVar newMVarId
-        let result       := mkMVarApp mvarLCtx newMVar toRevert newMVarKind
-        let numScopeArgs := mvarDecl.numScopeArgs + result.getAppNumArgs
-        modify fun s => { s with
-            mctx := s.mctx.addExprMVarDecl newMVarId Name.anonymous newMVarLCtx newLocalInsts newMVarType newMVarKind numScopeArgs,
-            ngen := s.ngen.next
-          }
-        match newMVarKind with
-        | MetavarKind.syntheticOpaque =>
-          assignDelayedMVar newMVarId (toRevert ++ nestedFVars) (mkAppN (mkMVar mvarId) nestedFVars)
-        | _                           =>
-          assignExprMVar mvarId result
-        return (mkAppN result args, toRevert)
+      let args ← args.mapM (visit xs)
+      let toRevert ← collectForwardDeps mvarLCtx toRevert
+      let newMVarLCtx   := reduceLocalContext mvarLCtx toRevert
+      -- Note that `toRevert` only contains free variables since it is the result of `getInScope`
+      let newLocalInsts := mvarDecl.localInstances.filter fun inst => toRevert.all fun x => inst.fvar != x
+      -- Remark: we must reset the before processing `mkAuxMVarType` because `toRevert` may not be equal to `xs`
+      let newMVarType ← withFreshCache do mkAuxMVarType mvarLCtx toRevert newMVarKind mvarDecl.type
+      let newMVarId    := { name := (← get).ngen.curr }
+      let newMVar      := mkMVar newMVarId
+      let result       := mkMVarApp mvarLCtx newMVar toRevert newMVarKind
+      let numScopeArgs := mvarDecl.numScopeArgs + result.getAppNumArgs
+      modify fun s => { s with
+          mctx := s.mctx.addExprMVarDecl newMVarId Name.anonymous newMVarLCtx newLocalInsts newMVarType newMVarKind numScopeArgs,
+          ngen := s.ngen.next
+        }
       if !mvarDecl.kind.isSyntheticOpaque then
-        cont #[]
-      else match (← getDelayedMVarAssignment? mvarId) with
-      | none => cont #[]
-      | some { fvars, .. } => cont fvars
+        assignExprMVar mvarId result
+      else
+        /- If `mvarId` is the lhs of a delayed assignment `?m #[x_1, ... x_n] := ?mvarPending`,
+           then `nestedFVars` is `#[x_1, ..., x_n]`.
+           In this case, `newMVarId` is also `syntheticOpaque` and we add the delayed assignment delayed assignment
+           ```
+           ?newMVar #[y_1, ..., y_m, x_1, ... x_n] := ?m
+           ```
+           where `#[y_1, ..., y_m]` is `toRevert` after `collectForwardDeps`.
+        -/
+        let (mvarIdPending, nestedFVars) ← match (← getDelayedMVarAssignment? mvarId) with
+          | none => pure (mvarId, #[])
+          | some { fvars, mvarIdPending } => pure (mvarIdPending, fvars)
+        assignDelayedMVar newMVarId (toRevert ++ nestedFVars) mvarIdPending
+      return (mkAppN result args, toRevert)
 
   private partial def elimApp (xs : Array Expr) (f : Expr) (args : Array Expr) : M Expr := do
     match f with
diff --git a/stage0/src/Lean/Util/OccursCheck.lean b/stage0/src/Lean/Util/OccursCheck.lean
index e48c0a6e60..6094457e1f 100644
--- a/stage0/src/Lean/Util/OccursCheck.lean
+++ b/stage0/src/Lean/Util/OccursCheck.lean
@@ -26,7 +26,7 @@ where
       | some v => visit v
       | none   =>
         match (← getDelayedMVarAssignment? mvarId') with
-        | some d => visit d.val
+        | some d => visitMVar d.mvarIdPending
         | none   => return ()
 
   visit (e : Expr) : ExceptT Unit (StateT ExprSet m) Unit := do
diff --git a/stage0/stdlib/Lean/Elab/App.c b/stage0/stdlib/Lean/Elab/App.c
index 5106a87e69..b36dd0ea40 100644
--- a/stage0/stdlib/Lean/Elab/App.c
+++ b/stage0/stdlib/Lean/Elab/App.c
@@ -21,26 +21,30 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux__
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__4;
 lean_object* l_Lean_Expr_bindingInfo_x21(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__29___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__6;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__14___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__12;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__3___closed__1;
 lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_elabForall___spec__1___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__24(lean_object*, lean_object*, size_t, size_t);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___boxed(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__1___closed__4;
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange___closed__6;
 static lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange(lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_List_tail_x21___rarg(lean_object*);
@@ -52,6 +56,7 @@ static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____clos
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__12;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__2___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwErrorWithNestedErrors___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__3___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Meta_withMCtx___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange___closed__2;
@@ -60,9 +65,10 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRange___cl
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__2;
+uint8_t l_Std_PersistentHashMap_contains___at_Lean_isExprMVarAssigned___spec__1(lean_object*, lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern___closed__2;
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__3___closed__8;
@@ -91,19 +97,22 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRange___cl
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__39(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingDomain_x21(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLVal(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__14(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_typeMatchesBaseName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg___boxed(lean_object*, lean_object*);
 extern lean_object* l_Std_Format_defWidth;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_docString___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__7;
 static lean_object* l_Lean_Elab_throwErrorWithNestedErrors___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__3___rarg___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__11;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange___closed__4;
+LEAN_EXPORT uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLVal___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_SourceInfo_fromRef(lean_object*);
@@ -116,15 +125,18 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__45___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__46(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instInhabitedTermElabResult___rarg(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__5;
 lean_object* l_Lean_Expr_getAutoParamTactic_x3f(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__37___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_findMethodAlias_x3f___boxed(lean_object*, lean_object*, lean_object*);
@@ -141,26 +153,26 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___clos
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__3___closed__3;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__4;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__12;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___boxed(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___closed__3;
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4___closed__2;
-LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_registerMVarErrorHoleInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2(lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValLoop___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__23___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2___closed__2;
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__11;
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2(lean_object*);
 static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange___closed__5;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at_Lean_Elab_Term_mkAuxName___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__17___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -168,12 +180,13 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2;
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__19;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabApp(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__3;
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___boxed(lean_object*);
 lean_object* lean_local_ctx_find_from_user_name(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__3___closed__5;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__7;
@@ -182,20 +195,23 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2___closed__1;
 lean_object* lean_array_push(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11(lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_append(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp_declRange___closed__5;
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___closed__1;
 uint8_t l_Lean_isPrivateNameFromImportedModule(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__2;
 lean_object* l_Lean_Expr_getOptParamDefault_x3f(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice_declRange(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____closed__1;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1(lean_object*, uint8_t, lean_object*);
@@ -215,17 +231,17 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__
 LEAN_EXPORT lean_object* l_List_foldlM___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId___spec__2___boxed(lean_object**);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__2___closed__2;
 lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_hasElabWithoutExpectedType(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instInhabitedTermElabM(lean_object*);
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj(lean_object*);
 lean_object* l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__5(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__32;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef(lean_object*);
 uint8_t lean_usize_dec_lt(size_t, size_t);
@@ -241,6 +257,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLVal
 LEAN_EXPORT lean_object* l_List_filterTRAux___at_Lean_Elab_Term_ElabAppArgs_eraseNamedArgCore___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__5;
 lean_object* l_Lean_Elab_Term_registerMVarErrorInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_levelZero;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwInvalidFieldNotation___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals___closed__1;
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___spec__1___closed__3;
@@ -252,7 +269,7 @@ lean_object* l_Lean_Elab_Term_ensureHasType(lean_object*, lean_object*, lean_obj
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__1___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___lambda__1___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent___closed__3;
 lean_object* l_Lean_setEnv___at_Lean_Elab_Term_expandDeclId___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -278,21 +295,24 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError__
 static lean_object* l_Lean_Elab_Term_elabPipeProj___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabPipeProj___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__2;
-LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__2___boxed(lean_object**);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit___closed__2;
 static uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___lambda__1___closed__2;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__2;
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice___closed__3;
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__10;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Util_0__Lean_Elab_evalSyntaxConstantUnsafe(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__15___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___boxed(lean_object*);
+lean_object* l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__7;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___rarg___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__2___closed__3;
@@ -314,9 +334,12 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern___closed__4;
 lean_object* l_Lean_Elab_Term_elabLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt(lean_object*);
 static lean_object* l_Lean_Elab_Term_elabPipeProj___lambda__1___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getFieldInfo_x3f(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1;
+lean_object* lean_array_fget(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange___closed__3;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwInvalidNamedArg___spec__2(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__10(lean_object*, lean_object*, size_t, size_t);
@@ -325,15 +348,17 @@ lean_object* l_Lean_mkProj(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Elab_Term_elabExplicitUnivs___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabArrayRef(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__47___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__13(lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_consume_type_annotations(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(lean_object*);
+LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__7;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2___closed__1;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
@@ -342,17 +367,18 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___closed_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_typeMatchesBaseName___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__3;
 lean_object* l_Lean_Elab_Term_getSyntheticMVarDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__2___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__20;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__24___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabExplicit(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Lean_Elab_Term_ElabAppArgs_State_ellipsis___default;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__1;
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__1___closed__6;
 static lean_object* l_Lean_Elab_Term_elabPipeProj___lambda__1___closed__4;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals___closed__2;
@@ -362,7 +388,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_propagateEx
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__9;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabProj_declRange(lean_object*);
 lean_object* l_Lean_Syntax_isFieldIdx_x3f(lean_object*);
@@ -371,6 +397,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange___close
 lean_object* l_Lean_Meta_expandCoe(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__6;
+lean_object* l_Lean_Elab_Term_mkCoe(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__2;
 lean_object* l_Lean_Elab_Term_mkInstMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -378,24 +405,27 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__
 lean_object* l_Lean_Name_toString(lean_object*, uint8_t);
 uint8_t l_Lean_BinderInfo_isStrictImplicit(uint8_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__39___boxed(lean_object*, lean_object*);
+uint8_t lean_is_out_param(lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__44___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__1;
 LEAN_EXPORT lean_object* l_Lean_getRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__5___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___lambda__1___boxed(lean_object**);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__5;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___closed__2;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp_declRange___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId___boxed(lean_object**);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabDotIdent(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_eraseSuffix_x3f(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -407,6 +437,7 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__33(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2___closed__2;
 static lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg___closed__8;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__2;
@@ -416,14 +447,14 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___clos
 lean_object* l_Lean_Syntax_identComponents(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__3;
 lean_object* l_Nat_repr(lean_object*);
 static lean_object* l_Lean_Elab_Term_instToStringNamedArg___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj_declRange___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___closed__7;
@@ -461,21 +492,23 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___c
 static lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp___closed__5;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___boxed(lean_object*);
+lean_object* l_Lean_Meta_setMVarKind(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_State_instMVars___default;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__1___closed__2;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern(lean_object*);
 static lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__1;
 lean_object* l_Lean_getStructureFields(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv___closed__2;
 lean_object* l_Lean_addBuiltinDeclarationRanges(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(lean_object*);
 static lean_object* l_Lean_Elab_Term_elabPipeProj___lambda__1___closed__3;
 lean_object* lean_array_to_list(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__21___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__22;
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__16;
@@ -485,11 +518,13 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___clos
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp___closed__7;
 lean_object* l_Lean_Elab_Term_addNamedArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_State_toSetErrorCtx___default;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__1;
 static lean_object* l_Lean_Elab_Term_instToStringNamedArg___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_annotateIfRec___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj___closed__3;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__31___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__13___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabIdent(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__3;
@@ -497,7 +532,7 @@ LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_App_0__Lean_El
 lean_object* lean_expr_dbg_to_string(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId_toName_go(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRange___closed__5;
 extern lean_object* l_Lean_instInhabitedExpr;
 lean_object* l_Lean_getPathToBaseStructure_x3f(lean_object*, lean_object*, lean_object*);
@@ -505,9 +540,9 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeAppInstMVars___boxed(lean_ob
 lean_object* l_Lean_Elab_Term_expandApp(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__13;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId_toLVals___boxed(lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__28___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__3;
@@ -519,7 +554,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotN
 uint8_t l_Lean_Expr_isConst(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_isEmpty___rarg(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_docString(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__5;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__10;
@@ -532,15 +568,17 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___
 lean_object* l_Lean_Elab_Term_isMVarApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__18;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__15;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__1;
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj___closed__3;
 lean_object* l_Lean_Expr_consumeMData(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_findMethod_x3f(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__30;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__5;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__16;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__5;
 static lean_object* l_Lean_Elab_Term_instToStringNamedArg___closed__3;
@@ -553,15 +591,18 @@ uint8_t l_Lean_BinderInfo_isInstImplicit(uint8_t);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__7;
 lean_object* l_Lean_Elab_Term_elabTermEnsuringType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__6;
+lean_object* lean_whnf(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__2___rarg___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_annotateIfRec___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValLoop(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange___closed__7;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkFVar(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__1;
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4(lean_object*, lean_object*);
@@ -572,25 +613,25 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shou
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__7(lean_object*);
 lean_object* l_Lean_Elab_Term_LVal_getRef(lean_object*);
 uint8_t l_Lean_Expr_isAutoParam(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabNamedPattern(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp_declRange___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__2___rarg___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2(size_t, size_t, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__28;
 static lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic___closed__2;
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_BinderInfo_isImplicit(uint8_t);
 lean_object* l_Lean_Elab_Term_mkConst(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId_toName_go___boxed(lean_object*);
 lean_object* l___private_Lean_Util_Trace_0__Lean_addTraceOptions(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__14;
@@ -609,11 +650,11 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fina
 lean_object* l_Lean_Syntax_TSepArray_getElems___rarg(lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__2___lambda__1___boxed(lean_object*, lean_object*);
 extern lean_object* l_Lean_instInhabitedException;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__46___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__38___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___spec__1(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__3;
@@ -628,6 +669,7 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux__
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabWithoutExpectedTypeAttr;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_findMethod_x3f___lambda__1(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
@@ -635,9 +677,9 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__14;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__7;
+lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withMCtxImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt___closed__1;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__15;
 LEAN_EXPORT lean_object* l_panic___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_find_x3f___rarg(lean_object*, lean_object*);
@@ -645,6 +687,7 @@ static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__20(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfR(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getParentStructures(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -652,7 +695,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_docString___c
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__27___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__18(lean_object*, lean_object*, size_t, size_t);
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -664,19 +707,20 @@ lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Lean_mkPrivateName(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__18___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__18;
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__5;
 lean_object* l_Lean_Elab_Term_SavedState_restore(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
 lean_object* l_Lean_Syntax_getArgs(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 uint8_t l_Lean_BinderInfo_isExplicit(uint8_t);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__9;
-static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabProj(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__6;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___closed__6;
@@ -684,7 +728,7 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwInvalidFiel
 lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1___boxed(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__8(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwInvalidFieldNotation___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg___closed__5;
@@ -695,6 +739,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabArrayRefOpt(lean_object*, lean_obj
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__9(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_Elab_Term_elabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__12(lean_object*, lean_object*, lean_object*);
@@ -719,7 +764,7 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName_g
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValLoop___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabExplicitUniv(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange___closed__4;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__17;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange___closed__3;
@@ -734,7 +779,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic(lean_ob
 LEAN_EXPORT lean_object* l_List_foldlM___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFnId___spec__1___boxed(lean_object**);
 lean_object* l_Lean_Elab_logException___at_Lean_Elab_Term_exceptionToSorry___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_tryPostponeIfMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__47(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__8;
@@ -744,17 +789,17 @@ LEAN_EXPORT lean_object* l_List_filterMap___at___private_Lean_Elab_App_0__Lean_E
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__30___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_getSuccesses___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__35(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__50___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_universeConstraintsCheckpoint___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange___closed__4;
 lean_object* lean_st_ref_set(lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabChoice___closed__1;
 uint8_t l_Lean_Expr_isFVar(lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1___boxed(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__7;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_14008_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_15381_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5_(lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -773,25 +818,30 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___lam
 lean_object* l_Lean_Meta_mkArrow(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constName_x3f(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp_declRange___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_TSyntax_getNat___spec__1(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__2;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__2;
+lean_object* lean_name_mk_numeral(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabExplicit___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_annotateIfRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_consumeMDataAndTypeAnnotations(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__34___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2;
 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRange___closed__6;
 LEAN_EXPORT lean_object* l_Lean_getRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__17;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___lambda__1(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_panic_fn(lean_object*, lean_object*);
 lean_object* l_Lean_getStructureLikeNumFields(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasLooseBVars(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__25;
 static lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg___closed__3;
@@ -800,11 +850,12 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck__
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__6;
+lean_object* lean_mk_array(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange___closed__1;
 uint8_t l___private_Lean_Expr_0__Lean_beqBinderInfo____x40_Lean_Expr___hyg_362_(uint8_t, uint8_t);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRef___closed__1;
 lean_object* l_Lean_Elab_Term_registerSyntheticMVarWithCurrRef(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_docString(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -816,21 +867,23 @@ static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shou
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_consumeImplicits___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAtom(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTagAttribute(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName___closed__1;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__3;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabArrayRefPanic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwInvalidNamedArg___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_unsupportedSyntaxExceptionId;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_findField_x3f(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
 lean_object* l_Lean_Elab_Term_registerMVarErrorImplicitArgInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -839,14 +892,16 @@ static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_findMethod_x3f___lambda__1___boxed(lean_object*, lean_object*);
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_applyResult___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___spec__1___closed__1;
 lean_object* l_Lean_addBuiltinDocString(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__8;
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent___closed__3;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_State_resultTypeOutParam_x3f___default;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__36(lean_object*, lean_object*, lean_object*);
@@ -858,22 +913,25 @@ lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__45(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLVals___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__19;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabApp_declRange___closed__7;
 LEAN_EXPORT lean_object* l_Lean_getRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__5___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__7___boxed(lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__4;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___lambda__1___closed__3;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj___closed__1;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabAppArgs___closed__13;
 lean_object* l_Lean_instantiateMVars___at_Lean_exprDependsOn___spec__11(lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
@@ -888,18 +946,20 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj_declRange___closed__1
 uint8_t l_List_isEmpty___rarg(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__36___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwErrorWithNestedErrors___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwInvalidFieldNotation(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_findMethod_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__9;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ensureArgType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1(lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfCore_go___spec__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwInvalidNamedArg___spec__1(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRange___closed__4;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__27;
+static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabExplicitUniv___closed__3;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabProj_declRange___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__25(lean_object*, lean_object*, size_t, size_t);
@@ -929,12 +989,13 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabDotIdent___closed__2;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveDotName_go___closed__2;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__6(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_synthesizeAppInstMVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__4(lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt___closed__3;
@@ -947,7 +1008,7 @@ lean_object* l_Array_insertAt___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError(lean_object*);
 lean_object* l_Lean_Name_replacePrefix(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_getMVarErrorInfo_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___closed__2;
 static lean_object* l_Lean_Elab_nestedExceptionToMessageData___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__4___closed__3;
@@ -955,6 +1016,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange___close
 static lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
 lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__11;
+uint8_t lean_has_out_params(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabIdent___closed__2;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg___spec__2___lambda__3___boxed(lean_object**);
@@ -972,11 +1034,12 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabExplicitUnivs(lean_object*, lean_o
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___closed__2;
 static lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppFn___closed__26;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__42(lean_object*, lean_object*, size_t, size_t);
 uint8_t l_Lean_isStructure(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg___closed__7;
+LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_resolveLValAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabPipeProj_docString___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_throwInvalidNamedArg(lean_object*);
@@ -1001,7 +1064,7 @@ LEAN_EXPORT lean_object* l_Array_foldrMUnsafe_fold___at_Lean_Elab_Term_elabExpli
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRange___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_throwInvalidNamedArg___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRange___closed__7;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_5____lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -2659,14 +2722,6 @@ lean_dec(x_1);
 return x_10;
 }
 }
-static uint8_t _init_l_Lean_Elab_Term_ElabAppArgs_State_ellipsis___default() {
-_start:
-{
-uint8_t x_1; 
-x_1 = 0;
-return x_1;
-}
-}
 static lean_object* _init_l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1() {
 _start:
 {
@@ -2700,88 +2755,95 @@ x_1 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+static lean_object* _init_l_Lean_Elab_Term_ElabAppArgs_State_resultTypeOutParam_x3f___default() {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_take(x_2, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
+lean_object* x_1; 
+x_1 = lean_box(0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_11 = lean_st_ref_get(x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_take(x_3, x_12);
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-lean_dec(x_12);
-x_15 = !lean_is_exclusive(x_13);
-if (x_15 == 0)
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = !lean_is_exclusive(x_14);
+if (x_16 == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_16 = lean_ctor_get(x_13, 7);
-x_17 = lean_array_push(x_16, x_1);
-lean_ctor_set(x_13, 7, x_17);
-x_18 = lean_st_ref_set(x_2, x_13, x_14);
-x_19 = !lean_is_exclusive(x_18);
-if (x_19 == 0)
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_17 = lean_ctor_get(x_14, 7);
+x_18 = lean_array_push(x_17, x_1);
+lean_ctor_set(x_14, 7, x_18);
+x_19 = lean_st_ref_set(x_3, x_14, x_15);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_18, 0);
-lean_dec(x_20);
-x_21 = lean_box(0);
-lean_ctor_set(x_18, 0, x_21);
-return x_18;
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_19, 0, x_22);
+return x_19;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_18, 1);
-lean_inc(x_22);
-lean_dec(x_18);
-x_23 = lean_box(0);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_22);
-return x_24;
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
 }
 }
 else
 {
-uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_25 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
-x_26 = lean_ctor_get(x_13, 0);
-x_27 = lean_ctor_get(x_13, 1);
-x_28 = lean_ctor_get(x_13, 2);
-x_29 = lean_ctor_get(x_13, 3);
-x_30 = lean_ctor_get_uint8(x_13, sizeof(void*)*8 + 1);
-x_31 = lean_ctor_get(x_13, 4);
-x_32 = lean_ctor_get(x_13, 5);
-x_33 = lean_ctor_get(x_13, 6);
-x_34 = lean_ctor_get(x_13, 7);
-x_35 = lean_ctor_get_uint8(x_13, sizeof(void*)*8 + 2);
-lean_inc(x_34);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_26 = lean_ctor_get(x_14, 0);
+x_27 = lean_ctor_get(x_14, 1);
+x_28 = lean_ctor_get(x_14, 2);
+x_29 = lean_ctor_get(x_14, 3);
+x_30 = lean_ctor_get(x_14, 4);
+x_31 = lean_ctor_get(x_14, 5);
+x_32 = lean_ctor_get(x_14, 6);
+x_33 = lean_ctor_get(x_14, 7);
+x_34 = lean_ctor_get_uint8(x_14, sizeof(void*)*9);
+x_35 = lean_ctor_get(x_14, 8);
+lean_inc(x_35);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
+lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
 lean_inc(x_26);
-lean_dec(x_13);
-x_36 = lean_array_push(x_34, x_1);
-x_37 = lean_alloc_ctor(0, 8, 3);
+lean_dec(x_14);
+x_36 = lean_array_push(x_33, x_1);
+x_37 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_37, 0, x_26);
 lean_ctor_set(x_37, 1, x_27);
 lean_ctor_set(x_37, 2, x_28);
 lean_ctor_set(x_37, 3, x_29);
-lean_ctor_set(x_37, 4, x_31);
-lean_ctor_set(x_37, 5, x_32);
-lean_ctor_set(x_37, 6, x_33);
+lean_ctor_set(x_37, 4, x_30);
+lean_ctor_set(x_37, 5, x_31);
+lean_ctor_set(x_37, 6, x_32);
 lean_ctor_set(x_37, 7, x_36);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_25);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8 + 1, x_30);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8 + 2, x_35);
-x_38 = lean_st_ref_set(x_2, x_37, x_14);
+lean_ctor_set(x_37, 8, x_35);
+lean_ctor_set_uint8(x_37, sizeof(void*)*9, x_34);
+x_38 = lean_st_ref_set(x_3, x_37, x_15);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
 if (lean_is_exclusive(x_38)) {
@@ -2804,11 +2866,12 @@ return x_42;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_object* x_11; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -2816,10 +2879,10 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_10;
+return x_11;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
@@ -2866,176 +2929,192 @@ return x_26;
 }
 else
 {
-uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_27 = lean_ctor_get_uint8(x_18, sizeof(void*)*8);
-x_28 = lean_ctor_get(x_18, 0);
-x_29 = lean_ctor_get(x_18, 1);
-x_30 = lean_ctor_get(x_18, 2);
-x_31 = lean_ctor_get(x_18, 3);
-x_32 = lean_ctor_get_uint8(x_18, sizeof(void*)*8 + 1);
-x_33 = lean_ctor_get(x_18, 4);
-x_34 = lean_ctor_get(x_18, 5);
-x_35 = lean_ctor_get(x_18, 6);
-x_36 = lean_ctor_get_uint8(x_18, sizeof(void*)*8 + 2);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_27 = lean_ctor_get(x_18, 0);
+x_28 = lean_ctor_get(x_18, 1);
+x_29 = lean_ctor_get(x_18, 2);
+x_30 = lean_ctor_get(x_18, 3);
+x_31 = lean_ctor_get(x_18, 4);
+x_32 = lean_ctor_get(x_18, 5);
+x_33 = lean_ctor_get(x_18, 6);
+x_34 = lean_ctor_get_uint8(x_18, sizeof(void*)*9);
+x_35 = lean_ctor_get(x_18, 8);
 lean_inc(x_35);
-lean_inc(x_34);
 lean_inc(x_33);
+lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
+lean_inc(x_27);
 lean_dec(x_18);
-x_37 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
-x_38 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_38, 0, x_28);
-lean_ctor_set(x_38, 1, x_29);
-lean_ctor_set(x_38, 2, x_30);
-lean_ctor_set(x_38, 3, x_31);
-lean_ctor_set(x_38, 4, x_33);
-lean_ctor_set(x_38, 5, x_34);
-lean_ctor_set(x_38, 6, x_35);
-lean_ctor_set(x_38, 7, x_37);
-lean_ctor_set_uint8(x_38, sizeof(void*)*8, x_27);
-lean_ctor_set_uint8(x_38, sizeof(void*)*8 + 1, x_32);
-lean_ctor_set_uint8(x_38, sizeof(void*)*8 + 2, x_36);
-x_39 = lean_st_ref_set(x_1, x_38, x_19);
-x_40 = lean_ctor_get(x_39, 1);
+x_36 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_37 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_37, 0, x_27);
+lean_ctor_set(x_37, 1, x_28);
+lean_ctor_set(x_37, 2, x_29);
+lean_ctor_set(x_37, 3, x_30);
+lean_ctor_set(x_37, 4, x_31);
+lean_ctor_set(x_37, 5, x_32);
+lean_ctor_set(x_37, 6, x_33);
+lean_ctor_set(x_37, 7, x_36);
+lean_ctor_set(x_37, 8, x_35);
+lean_ctor_set_uint8(x_37, sizeof(void*)*9, x_34);
+x_38 = lean_st_ref_set(x_1, x_37, x_19);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+lean_dec(x_38);
+x_40 = lean_ctor_get(x_12, 0);
 lean_inc(x_40);
-lean_dec(x_39);
-x_41 = lean_ctor_get(x_12, 0);
-lean_inc(x_41);
 lean_dec(x_12);
-x_42 = l_Lean_Elab_Term_synthesizeAppInstMVars(x_14, x_41, x_2, x_3, x_4, x_5, x_6, x_7, x_40);
+x_41 = l_Lean_Elab_Term_synthesizeAppInstMVars(x_14, x_40, x_2, x_3, x_4, x_5, x_6, x_7, x_39);
 lean_dec(x_14);
-return x_42;
+return x_41;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
 {
-lean_object* x_12; 
+lean_object* x_13; 
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_3);
-lean_ctor_set(x_12, 1, x_11);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_3);
+lean_ctor_set(x_13, 1, x_12);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+lean_dec(x_3);
+x_14 = lean_ctor_get(x_2, 0);
+lean_inc(x_14);
+lean_dec(x_2);
+x_15 = l_Lean_Expr_getAppFn(x_1);
+x_16 = l_Lean_Expr_isConst(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+lean_dec(x_15);
+x_17 = lean_box(0);
+x_18 = l_Lean_Elab_Term_throwInvalidNamedArg___rarg(x_14, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_19 = !lean_is_exclusive(x_18);
+if (x_19 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_18, 0);
+x_21 = lean_ctor_get(x_18, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_18);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_23 = l_Lean_Expr_constName_x21(x_15);
+lean_dec(x_15);
+x_24 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_24, 0, x_23);
+x_25 = l_Lean_Elab_Term_throwInvalidNamedArg___rarg(x_14, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+x_26 = !lean_is_exclusive(x_25);
+if (x_26 == 0)
+{
+return x_25;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_25, 0);
+x_28 = lean_ctor_get(x_25, 1);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_dec(x_25);
+x_29 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+return x_29;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_11 = lean_ctor_get(x_8, 5);
+x_12 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_6, x_7, x_8, x_9, x_10);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_inc(x_11);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_11);
+lean_ctor_set(x_15, 1, x_14);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 0, x_15);
 return x_12;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-lean_dec(x_3);
-x_13 = lean_ctor_get(x_2, 0);
-lean_inc(x_13);
-lean_dec(x_2);
-x_14 = l_Lean_Expr_getAppFn(x_1);
-x_15 = l_Lean_Expr_isConst(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-lean_dec(x_14);
-x_16 = lean_box(0);
-x_17 = l_Lean_Elab_Term_throwInvalidNamedArg___rarg(x_13, x_16, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-x_18 = !lean_is_exclusive(x_17);
-if (x_18 == 0)
-{
-return x_17;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_17, 0);
-x_20 = lean_ctor_get(x_17, 1);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_17);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_19);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = l_Lean_Expr_constName_x21(x_14);
-lean_dec(x_14);
-x_23 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_23, 0, x_22);
-x_24 = l_Lean_Elab_Term_throwInvalidNamedArg___rarg(x_13, x_23, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-x_25 = !lean_is_exclusive(x_24);
-if (x_25 == 0)
-{
-return x_24;
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_24, 0);
-x_27 = lean_ctor_get(x_24, 1);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_24);
-x_28 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
-return x_28;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_7, 5);
-x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_5, x_6, x_7, x_8, x_9);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_10);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_10);
-lean_ctor_set(x_14, 1, x_13);
-lean_ctor_set_tag(x_11, 1);
-lean_ctor_set(x_11, 0, x_14);
-return x_11;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_ctor_get(x_11, 0);
-x_16 = lean_ctor_get(x_11, 1);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_16 = lean_ctor_get(x_12, 0);
+x_17 = lean_ctor_get(x_12, 1);
+lean_inc(x_17);
 lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_11);
-lean_inc(x_10);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_10);
-lean_ctor_set(x_17, 1, x_15);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
+lean_dec(x_12);
+lean_inc(x_11);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_11);
 lean_ctor_set(x_18, 1, x_16);
-return x_18;
+x_19 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+return x_19;
 }
 }
 }
@@ -3073,124 +3152,125 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_9; 
+lean_object* x_10; 
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_9 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-if (lean_obj_tag(x_9) == 0)
+x_10 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_10) == 0)
 {
-lean_object* x_10; uint8_t x_11; uint8_t x_12; lean_object* x_13; 
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = 1;
-x_12 = 0;
+lean_object* x_11; uint8_t x_12; uint8_t x_13; lean_object* x_14; 
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = 1;
+x_13 = 0;
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_13 = l_Lean_Elab_Term_synthesizeSyntheticMVars(x_11, x_12, x_2, x_3, x_4, x_5, x_6, x_7, x_10);
-if (lean_obj_tag(x_13) == 0)
+x_14 = l_Lean_Elab_Term_synthesizeSyntheticMVars(x_12, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_11);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_get(x_7, x_14);
-x_16 = lean_ctor_get(x_15, 1);
-lean_inc(x_16);
-lean_dec(x_15);
-x_17 = lean_st_ref_get(x_1, x_16);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_st_ref_get(x_8, x_15);
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = lean_st_ref_get(x_2, x_17);
+x_19 = lean_ctor_get(x_18, 0);
 lean_inc(x_19);
-lean_dec(x_17);
 x_20 = lean_ctor_get(x_18, 1);
 lean_inc(x_20);
+lean_dec(x_18);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_4);
-x_21 = l_Lean_Meta_whnfForall(x_20, x_4, x_5, x_6, x_7, x_19);
-if (lean_obj_tag(x_21) == 0)
+x_22 = l_Lean_Meta_whnfForall(x_21, x_5, x_6, x_7, x_8, x_20);
+if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
+lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-lean_dec(x_21);
-x_24 = l_Lean_Expr_isForall(x_22);
-if (x_24 == 0)
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l_Lean_Expr_isForall(x_23);
+if (x_25 == 0)
 {
-lean_object* x_25; lean_object* x_26; 
-x_25 = lean_ctor_get(x_18, 0);
-lean_inc(x_25);
+lean_object* x_26; lean_object* x_27; 
+x_26 = lean_ctor_get(x_19, 0);
+lean_inc(x_26);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_25);
-lean_inc(x_22);
-x_26 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f(x_22, x_25, x_2, x_3, x_4, x_5, x_6, x_7, x_23);
-if (lean_obj_tag(x_26) == 0)
-{
-lean_object* x_27; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_23);
+x_27 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f(x_23, x_26, x_3, x_4, x_5, x_6, x_7, x_8, x_24);
 if (lean_obj_tag(x_27) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-x_28 = lean_ctor_get(x_26, 1);
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_26);
-x_29 = lean_ctor_get(x_18, 3);
+if (lean_obj_tag(x_28) == 0)
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_27, 1);
 lean_inc(x_29);
-lean_dec(x_18);
-x_30 = lean_box(0);
+lean_dec(x_27);
+x_30 = lean_ctor_get(x_19, 3);
+lean_inc(x_30);
+lean_dec(x_19);
+x_31 = lean_box(0);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_31 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(x_25, x_29, x_30, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_28);
-if (lean_obj_tag(x_31) == 0)
+x_32 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(x_26, x_30, x_31, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_29);
+if (lean_obj_tag(x_32) == 0)
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_32 = lean_ctor_get(x_31, 1);
-lean_inc(x_32);
-lean_dec(x_31);
-x_33 = l_Lean_indentExpr(x_25);
-x_34 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__2;
-x_35 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_33);
-x_36 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__4;
-x_37 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_indentExpr(x_22);
-x_39 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_41 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-x_42 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(x_41, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_32);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_33 = lean_ctor_get(x_32, 1);
+lean_inc(x_33);
+lean_dec(x_32);
+x_34 = l_Lean_indentExpr(x_26);
+x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__2;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+x_37 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__4;
+x_38 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = l_Lean_indentExpr(x_23);
+x_40 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_42 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+x_43 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(x_42, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_33);
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -3198,144 +3278,145 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-return x_42;
+return x_43;
 }
 else
 {
-uint8_t x_43; 
-lean_dec(x_25);
-lean_dec(x_22);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_43 = !lean_is_exclusive(x_31);
-if (x_43 == 0)
-{
-return x_31;
-}
-else
-{
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_31, 0);
-x_45 = lean_ctor_get(x_31, 1);
-lean_inc(x_45);
-lean_inc(x_44);
-lean_dec(x_31);
-x_46 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_46, 0, x_44);
-lean_ctor_set(x_46, 1, x_45);
-return x_46;
-}
-}
-}
-else
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-lean_dec(x_25);
-lean_dec(x_22);
-lean_dec(x_18);
-lean_dec(x_3);
-lean_dec(x_2);
-x_47 = lean_ctor_get(x_26, 1);
-lean_inc(x_47);
+uint8_t x_44; 
 lean_dec(x_26);
-x_48 = lean_ctor_get(x_27, 0);
+lean_dec(x_23);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_44 = !lean_is_exclusive(x_32);
+if (x_44 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_32, 0);
+x_46 = lean_ctor_get(x_32, 1);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_32);
+x_47 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+return x_47;
+}
+}
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_dec(x_26);
+lean_dec(x_23);
+lean_dec(x_19);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_48 = lean_ctor_get(x_27, 1);
 lean_inc(x_48);
 lean_dec(x_27);
-lean_inc(x_7);
-lean_inc(x_48);
-x_49 = lean_infer_type(x_48, x_4, x_5, x_6, x_7, x_47);
-if (lean_obj_tag(x_49) == 0)
+x_49 = lean_ctor_get(x_28, 0);
+lean_inc(x_49);
+lean_dec(x_28);
+lean_inc(x_8);
+lean_inc(x_49);
+x_50 = lean_infer_type(x_49, x_5, x_6, x_7, x_8, x_48);
+if (lean_obj_tag(x_50) == 0)
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; 
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
-lean_dec(x_49);
-x_52 = lean_st_ref_get(x_7, x_51);
-lean_dec(x_7);
-x_53 = lean_ctor_get(x_52, 1);
-lean_inc(x_53);
-lean_dec(x_52);
-x_54 = lean_st_ref_take(x_1, x_53);
-x_55 = lean_ctor_get(x_54, 0);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_54, 1);
+x_52 = lean_ctor_get(x_50, 1);
+lean_inc(x_52);
+lean_dec(x_50);
+x_53 = lean_st_ref_get(x_8, x_52);
+lean_dec(x_8);
+x_54 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+lean_dec(x_53);
+x_55 = lean_st_ref_take(x_2, x_54);
+x_56 = lean_ctor_get(x_55, 0);
 lean_inc(x_56);
-lean_dec(x_54);
-x_57 = !lean_is_exclusive(x_55);
-if (x_57 == 0)
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = !lean_is_exclusive(x_56);
+if (x_58 == 0)
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
-x_58 = lean_ctor_get(x_55, 1);
-lean_dec(x_58);
-x_59 = lean_ctor_get(x_55, 0);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+x_59 = lean_ctor_get(x_56, 1);
 lean_dec(x_59);
-lean_ctor_set(x_55, 1, x_50);
-lean_ctor_set(x_55, 0, x_48);
-x_60 = lean_st_ref_set(x_1, x_55, x_56);
-lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_60);
-if (x_61 == 0)
-{
-lean_object* x_62; lean_object* x_63; 
-x_62 = lean_ctor_get(x_60, 0);
-lean_dec(x_62);
-x_63 = lean_box(0);
-lean_ctor_set(x_60, 0, x_63);
-return x_60;
-}
-else
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_64 = lean_ctor_get(x_60, 1);
-lean_inc(x_64);
+x_60 = lean_ctor_get(x_56, 0);
 lean_dec(x_60);
-x_65 = lean_box(0);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_64);
-return x_66;
+lean_ctor_set(x_56, 1, x_51);
+lean_ctor_set(x_56, 0, x_49);
+x_61 = lean_st_ref_set(x_2, x_56, x_57);
+lean_dec(x_2);
+x_62 = !lean_is_exclusive(x_61);
+if (x_62 == 0)
+{
+lean_object* x_63; lean_object* x_64; 
+x_63 = lean_ctor_get(x_61, 0);
+lean_dec(x_63);
+x_64 = lean_box(0);
+lean_ctor_set(x_61, 0, x_64);
+return x_61;
+}
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_61, 1);
+lean_inc(x_65);
+lean_dec(x_61);
+x_66 = lean_box(0);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_65);
+return x_67;
 }
 }
 else
 {
-uint8_t x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_67 = lean_ctor_get_uint8(x_55, sizeof(void*)*8);
-x_68 = lean_ctor_get(x_55, 2);
-x_69 = lean_ctor_get(x_55, 3);
-x_70 = lean_ctor_get_uint8(x_55, sizeof(void*)*8 + 1);
-x_71 = lean_ctor_get(x_55, 4);
-x_72 = lean_ctor_get(x_55, 5);
-x_73 = lean_ctor_get(x_55, 6);
-x_74 = lean_ctor_get(x_55, 7);
-x_75 = lean_ctor_get_uint8(x_55, sizeof(void*)*8 + 2);
-lean_inc(x_74);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_68 = lean_ctor_get(x_56, 2);
+x_69 = lean_ctor_get(x_56, 3);
+x_70 = lean_ctor_get(x_56, 4);
+x_71 = lean_ctor_get(x_56, 5);
+x_72 = lean_ctor_get(x_56, 6);
+x_73 = lean_ctor_get(x_56, 7);
+x_74 = lean_ctor_get_uint8(x_56, sizeof(void*)*9);
+x_75 = lean_ctor_get(x_56, 8);
+lean_inc(x_75);
 lean_inc(x_73);
 lean_inc(x_72);
 lean_inc(x_71);
+lean_inc(x_70);
 lean_inc(x_69);
 lean_inc(x_68);
-lean_dec(x_55);
-x_76 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_76, 0, x_48);
-lean_ctor_set(x_76, 1, x_50);
+lean_dec(x_56);
+x_76 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_76, 0, x_49);
+lean_ctor_set(x_76, 1, x_51);
 lean_ctor_set(x_76, 2, x_68);
 lean_ctor_set(x_76, 3, x_69);
-lean_ctor_set(x_76, 4, x_71);
-lean_ctor_set(x_76, 5, x_72);
-lean_ctor_set(x_76, 6, x_73);
-lean_ctor_set(x_76, 7, x_74);
-lean_ctor_set_uint8(x_76, sizeof(void*)*8, x_67);
-lean_ctor_set_uint8(x_76, sizeof(void*)*8 + 1, x_70);
-lean_ctor_set_uint8(x_76, sizeof(void*)*8 + 2, x_75);
-x_77 = lean_st_ref_set(x_1, x_76, x_56);
-lean_dec(x_1);
+lean_ctor_set(x_76, 4, x_70);
+lean_ctor_set(x_76, 5, x_71);
+lean_ctor_set(x_76, 6, x_72);
+lean_ctor_set(x_76, 7, x_73);
+lean_ctor_set(x_76, 8, x_75);
+lean_ctor_set_uint8(x_76, sizeof(void*)*9, x_74);
+x_77 = lean_st_ref_set(x_2, x_76, x_57);
+lean_dec(x_2);
 x_78 = lean_ctor_get(x_77, 1);
 lean_inc(x_78);
 if (lean_is_exclusive(x_77)) {
@@ -3360,22 +3441,22 @@ return x_81;
 else
 {
 uint8_t x_82; 
-lean_dec(x_48);
-lean_dec(x_7);
-lean_dec(x_1);
-x_82 = !lean_is_exclusive(x_49);
+lean_dec(x_49);
+lean_dec(x_8);
+lean_dec(x_2);
+x_82 = !lean_is_exclusive(x_50);
 if (x_82 == 0)
 {
-return x_49;
+return x_50;
 }
 else
 {
 lean_object* x_83; lean_object* x_84; lean_object* x_85; 
-x_83 = lean_ctor_get(x_49, 0);
-x_84 = lean_ctor_get(x_49, 1);
+x_83 = lean_ctor_get(x_50, 0);
+x_84 = lean_ctor_get(x_50, 1);
 lean_inc(x_84);
 lean_inc(x_83);
-lean_dec(x_49);
+lean_dec(x_50);
 x_85 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_85, 0, x_83);
 lean_ctor_set(x_85, 1, x_84);
@@ -3387,9 +3468,10 @@ return x_85;
 else
 {
 uint8_t x_86; 
-lean_dec(x_25);
-lean_dec(x_22);
-lean_dec(x_18);
+lean_dec(x_26);
+lean_dec(x_23);
+lean_dec(x_19);
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -3397,19 +3479,19 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_86 = !lean_is_exclusive(x_26);
+x_86 = !lean_is_exclusive(x_27);
 if (x_86 == 0)
 {
-return x_26;
+return x_27;
 }
 else
 {
 lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_87 = lean_ctor_get(x_26, 0);
-x_88 = lean_ctor_get(x_26, 1);
+x_87 = lean_ctor_get(x_27, 0);
+x_88 = lean_ctor_get(x_27, 1);
 lean_inc(x_88);
 lean_inc(x_87);
-lean_dec(x_26);
+lean_dec(x_27);
 x_89 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_89, 0, x_87);
 lean_ctor_set(x_89, 1, x_88);
@@ -3420,18 +3502,19 @@ return x_89;
 else
 {
 lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; 
-lean_dec(x_18);
+lean_dec(x_19);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-x_90 = lean_st_ref_get(x_7, x_23);
-lean_dec(x_7);
+lean_dec(x_1);
+x_90 = lean_st_ref_get(x_8, x_24);
+lean_dec(x_8);
 x_91 = lean_ctor_get(x_90, 1);
 lean_inc(x_91);
 lean_dec(x_90);
-x_92 = lean_st_ref_take(x_1, x_91);
+x_92 = lean_st_ref_take(x_2, x_91);
 x_93 = lean_ctor_get(x_92, 0);
 lean_inc(x_93);
 x_94 = lean_ctor_get(x_92, 1);
@@ -3443,9 +3526,9 @@ if (x_95 == 0)
 lean_object* x_96; lean_object* x_97; uint8_t x_98; 
 x_96 = lean_ctor_get(x_93, 1);
 lean_dec(x_96);
-lean_ctor_set(x_93, 1, x_22);
-x_97 = lean_st_ref_set(x_1, x_93, x_94);
-lean_dec(x_1);
+lean_ctor_set(x_93, 1, x_23);
+x_97 = lean_st_ref_set(x_2, x_93, x_94);
+lean_dec(x_2);
 x_98 = !lean_is_exclusive(x_97);
 if (x_98 == 0)
 {
@@ -3471,168 +3554,64 @@ return x_103;
 }
 else
 {
-uint8_t x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_104 = lean_ctor_get_uint8(x_93, sizeof(void*)*8);
-x_105 = lean_ctor_get(x_93, 0);
-x_106 = lean_ctor_get(x_93, 2);
-x_107 = lean_ctor_get(x_93, 3);
-x_108 = lean_ctor_get_uint8(x_93, sizeof(void*)*8 + 1);
-x_109 = lean_ctor_get(x_93, 4);
-x_110 = lean_ctor_get(x_93, 5);
-x_111 = lean_ctor_get(x_93, 6);
-x_112 = lean_ctor_get(x_93, 7);
-x_113 = lean_ctor_get_uint8(x_93, sizeof(void*)*8 + 2);
+lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_104 = lean_ctor_get(x_93, 0);
+x_105 = lean_ctor_get(x_93, 2);
+x_106 = lean_ctor_get(x_93, 3);
+x_107 = lean_ctor_get(x_93, 4);
+x_108 = lean_ctor_get(x_93, 5);
+x_109 = lean_ctor_get(x_93, 6);
+x_110 = lean_ctor_get(x_93, 7);
+x_111 = lean_ctor_get_uint8(x_93, sizeof(void*)*9);
+x_112 = lean_ctor_get(x_93, 8);
 lean_inc(x_112);
-lean_inc(x_111);
 lean_inc(x_110);
 lean_inc(x_109);
+lean_inc(x_108);
 lean_inc(x_107);
 lean_inc(x_106);
 lean_inc(x_105);
+lean_inc(x_104);
 lean_dec(x_93);
-x_114 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_114, 0, x_105);
-lean_ctor_set(x_114, 1, x_22);
-lean_ctor_set(x_114, 2, x_106);
-lean_ctor_set(x_114, 3, x_107);
-lean_ctor_set(x_114, 4, x_109);
-lean_ctor_set(x_114, 5, x_110);
-lean_ctor_set(x_114, 6, x_111);
-lean_ctor_set(x_114, 7, x_112);
-lean_ctor_set_uint8(x_114, sizeof(void*)*8, x_104);
-lean_ctor_set_uint8(x_114, sizeof(void*)*8 + 1, x_108);
-lean_ctor_set_uint8(x_114, sizeof(void*)*8 + 2, x_113);
-x_115 = lean_st_ref_set(x_1, x_114, x_94);
-lean_dec(x_1);
-x_116 = lean_ctor_get(x_115, 1);
-lean_inc(x_116);
-if (lean_is_exclusive(x_115)) {
- lean_ctor_release(x_115, 0);
- lean_ctor_release(x_115, 1);
- x_117 = x_115;
+x_113 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_113, 0, x_104);
+lean_ctor_set(x_113, 1, x_23);
+lean_ctor_set(x_113, 2, x_105);
+lean_ctor_set(x_113, 3, x_106);
+lean_ctor_set(x_113, 4, x_107);
+lean_ctor_set(x_113, 5, x_108);
+lean_ctor_set(x_113, 6, x_109);
+lean_ctor_set(x_113, 7, x_110);
+lean_ctor_set(x_113, 8, x_112);
+lean_ctor_set_uint8(x_113, sizeof(void*)*9, x_111);
+x_114 = lean_st_ref_set(x_2, x_113, x_94);
+lean_dec(x_2);
+x_115 = lean_ctor_get(x_114, 1);
+lean_inc(x_115);
+if (lean_is_exclusive(x_114)) {
+ lean_ctor_release(x_114, 0);
+ lean_ctor_release(x_114, 1);
+ x_116 = x_114;
 } else {
- lean_dec_ref(x_115);
- x_117 = lean_box(0);
+ lean_dec_ref(x_114);
+ x_116 = lean_box(0);
 }
-x_118 = lean_box(0);
-if (lean_is_scalar(x_117)) {
- x_119 = lean_alloc_ctor(0, 2, 0);
+x_117 = lean_box(0);
+if (lean_is_scalar(x_116)) {
+ x_118 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_119 = x_117;
+ x_118 = x_116;
 }
-lean_ctor_set(x_119, 0, x_118);
-lean_ctor_set(x_119, 1, x_116);
-return x_119;
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_115);
+return x_118;
 }
 }
 }
 else
 {
-uint8_t x_120; 
-lean_dec(x_18);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_120 = !lean_is_exclusive(x_21);
-if (x_120 == 0)
-{
-return x_21;
-}
-else
-{
-lean_object* x_121; lean_object* x_122; lean_object* x_123; 
-x_121 = lean_ctor_get(x_21, 0);
-x_122 = lean_ctor_get(x_21, 1);
-lean_inc(x_122);
-lean_inc(x_121);
-lean_dec(x_21);
-x_123 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_123, 0, x_121);
-lean_ctor_set(x_123, 1, x_122);
-return x_123;
-}
-}
-}
-else
-{
-uint8_t x_124; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_124 = !lean_is_exclusive(x_13);
-if (x_124 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_125; lean_object* x_126; lean_object* x_127; 
-x_125 = lean_ctor_get(x_13, 0);
-x_126 = lean_ctor_get(x_13, 1);
-lean_inc(x_126);
-lean_inc(x_125);
-lean_dec(x_13);
-x_127 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_127, 0, x_125);
-lean_ctor_set(x_127, 1, x_126);
-return x_127;
-}
-}
-}
-else
-{
-uint8_t x_128; 
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_128 = !lean_is_exclusive(x_9);
-if (x_128 == 0)
-{
-return x_9;
-}
-else
-{
-lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_129 = lean_ctor_get(x_9, 0);
-x_130 = lean_ctor_get(x_9, 1);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_dec(x_9);
-x_131 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_131, 0, x_129);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-lean_object* x_12; 
-x_12 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_4);
-lean_dec(x_1);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+uint8_t x_119; 
+lean_dec(x_19);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -3640,10 +3619,118 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
+lean_dec(x_1);
+x_119 = !lean_is_exclusive(x_22);
+if (x_119 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_120 = lean_ctor_get(x_22, 0);
+x_121 = lean_ctor_get(x_22, 1);
+lean_inc(x_121);
+lean_inc(x_120);
+lean_dec(x_22);
+x_122 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_122, 0, x_120);
+lean_ctor_set(x_122, 1, x_121);
+return x_122;
+}
+}
+}
+else
+{
+uint8_t x_123; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_123 = !lean_is_exclusive(x_14);
+if (x_123 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_124 = lean_ctor_get(x_14, 0);
+x_125 = lean_ctor_get(x_14, 1);
+lean_inc(x_125);
+lean_inc(x_124);
+lean_dec(x_14);
+x_126 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_126, 0, x_124);
+lean_ctor_set(x_126, 1, x_125);
+return x_126;
+}
+}
+}
+else
+{
+uint8_t x_127; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_127 = !lean_is_exclusive(x_10);
+if (x_127 == 0)
+{
 return x_10;
 }
+else
+{
+lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_128 = lean_ctor_get(x_10, 0);
+x_129 = lean_ctor_get(x_10, 1);
+lean_inc(x_129);
+lean_inc(x_128);
+lean_dec(x_10);
+x_130 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_130, 0, x_128);
+lean_ctor_set(x_130, 1, x_129);
+return x_130;
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+}
+}
+}
+LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; 
+x_13 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_1);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
@@ -3713,96 +3800,112 @@ return x_29;
 }
 else
 {
-uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_30 = lean_ctor_get_uint8(x_21, sizeof(void*)*8);
-x_31 = lean_ctor_get(x_21, 0);
-x_32 = lean_ctor_get(x_21, 2);
-x_33 = lean_ctor_get(x_21, 3);
-x_34 = lean_ctor_get_uint8(x_21, sizeof(void*)*8 + 1);
-x_35 = lean_ctor_get(x_21, 4);
-x_36 = lean_ctor_get(x_21, 5);
-x_37 = lean_ctor_get(x_21, 6);
-x_38 = lean_ctor_get(x_21, 7);
-x_39 = lean_ctor_get_uint8(x_21, sizeof(void*)*8 + 2);
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_30 = lean_ctor_get(x_21, 0);
+x_31 = lean_ctor_get(x_21, 2);
+x_32 = lean_ctor_get(x_21, 3);
+x_33 = lean_ctor_get(x_21, 4);
+x_34 = lean_ctor_get(x_21, 5);
+x_35 = lean_ctor_get(x_21, 6);
+x_36 = lean_ctor_get(x_21, 7);
+x_37 = lean_ctor_get_uint8(x_21, sizeof(void*)*9);
+x_38 = lean_ctor_get(x_21, 8);
 lean_inc(x_38);
-lean_inc(x_37);
 lean_inc(x_36);
 lean_inc(x_35);
+lean_inc(x_34);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
+lean_inc(x_30);
 lean_dec(x_21);
 lean_inc(x_16);
-x_40 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_40, 0, x_31);
-lean_ctor_set(x_40, 1, x_16);
-lean_ctor_set(x_40, 2, x_32);
-lean_ctor_set(x_40, 3, x_33);
-lean_ctor_set(x_40, 4, x_35);
-lean_ctor_set(x_40, 5, x_36);
-lean_ctor_set(x_40, 6, x_37);
-lean_ctor_set(x_40, 7, x_38);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8, x_30);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8 + 1, x_34);
-lean_ctor_set_uint8(x_40, sizeof(void*)*8 + 2, x_39);
-x_41 = lean_st_ref_set(x_1, x_40, x_22);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-if (lean_is_exclusive(x_41)) {
- lean_ctor_release(x_41, 0);
- lean_ctor_release(x_41, 1);
- x_43 = x_41;
+x_39 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_39, 0, x_30);
+lean_ctor_set(x_39, 1, x_16);
+lean_ctor_set(x_39, 2, x_31);
+lean_ctor_set(x_39, 3, x_32);
+lean_ctor_set(x_39, 4, x_33);
+lean_ctor_set(x_39, 5, x_34);
+lean_ctor_set(x_39, 6, x_35);
+lean_ctor_set(x_39, 7, x_36);
+lean_ctor_set(x_39, 8, x_38);
+lean_ctor_set_uint8(x_39, sizeof(void*)*9, x_37);
+x_40 = lean_st_ref_set(x_1, x_39, x_22);
+x_41 = lean_ctor_get(x_40, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_42 = x_40;
 } else {
- lean_dec_ref(x_41);
- x_43 = lean_box(0);
+ lean_dec_ref(x_40);
+ x_42 = lean_box(0);
 }
-if (lean_is_scalar(x_43)) {
- x_44 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_42)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_44 = x_43;
+ x_43 = x_42;
 }
-lean_ctor_set(x_44, 0, x_16);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
+lean_ctor_set(x_43, 0, x_16);
+lean_ctor_set(x_43, 1, x_41);
+return x_43;
 }
 }
 else
 {
-uint8_t x_45; 
+uint8_t x_44; 
 lean_dec(x_7);
-x_45 = !lean_is_exclusive(x_15);
-if (x_45 == 0)
+x_44 = !lean_is_exclusive(x_15);
+if (x_44 == 0)
 {
 return x_15;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_15, 0);
-x_47 = lean_ctor_get(x_15, 1);
-lean_inc(x_47);
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_15, 0);
+x_46 = lean_ctor_get(x_15, 1);
 lean_inc(x_46);
+lean_inc(x_45);
 lean_dec(x_15);
-x_48 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_48, 0, x_46);
-lean_ctor_set(x_48, 1, x_47);
-return x_48;
+x_47 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+return x_47;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
@@ -3844,11 +3947,19 @@ return x_20;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -3859,7 +3970,16 @@ lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
@@ -3901,11 +4021,19 @@ return x_20;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -3916,6 +4044,15 @@ lean_dec(x_1);
 return x_9;
 }
 }
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
 LEAN_EXPORT lean_object* l_List_filterTRAux___at_Lean_Elab_Term_ElabAppArgs_eraseNamedArgCore___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -4008,88 +4145,87 @@ lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_take(x_2, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_11 = lean_st_ref_get(x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_take(x_3, x_12);
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-lean_dec(x_12);
-x_15 = !lean_is_exclusive(x_13);
-if (x_15 == 0)
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = !lean_is_exclusive(x_14);
+if (x_16 == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_16 = lean_ctor_get(x_13, 3);
-x_17 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArgCore(x_16, x_1);
-lean_ctor_set(x_13, 3, x_17);
-x_18 = lean_st_ref_set(x_2, x_13, x_14);
-x_19 = !lean_is_exclusive(x_18);
-if (x_19 == 0)
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_17 = lean_ctor_get(x_14, 3);
+x_18 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArgCore(x_17, x_1);
+lean_ctor_set(x_14, 3, x_18);
+x_19 = lean_st_ref_set(x_3, x_14, x_15);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_18, 0);
-lean_dec(x_20);
-x_21 = lean_box(0);
-lean_ctor_set(x_18, 0, x_21);
-return x_18;
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_dec(x_21);
+x_22 = lean_box(0);
+lean_ctor_set(x_19, 0, x_22);
+return x_19;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_18, 1);
-lean_inc(x_22);
-lean_dec(x_18);
-x_23 = lean_box(0);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_22);
-return x_24;
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_dec(x_19);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+return x_25;
 }
 }
 else
 {
-uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_25 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
-x_26 = lean_ctor_get(x_13, 0);
-x_27 = lean_ctor_get(x_13, 1);
-x_28 = lean_ctor_get(x_13, 2);
-x_29 = lean_ctor_get(x_13, 3);
-x_30 = lean_ctor_get_uint8(x_13, sizeof(void*)*8 + 1);
-x_31 = lean_ctor_get(x_13, 4);
-x_32 = lean_ctor_get(x_13, 5);
-x_33 = lean_ctor_get(x_13, 6);
-x_34 = lean_ctor_get(x_13, 7);
-x_35 = lean_ctor_get_uint8(x_13, sizeof(void*)*8 + 2);
-lean_inc(x_34);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_26 = lean_ctor_get(x_14, 0);
+x_27 = lean_ctor_get(x_14, 1);
+x_28 = lean_ctor_get(x_14, 2);
+x_29 = lean_ctor_get(x_14, 3);
+x_30 = lean_ctor_get(x_14, 4);
+x_31 = lean_ctor_get(x_14, 5);
+x_32 = lean_ctor_get(x_14, 6);
+x_33 = lean_ctor_get(x_14, 7);
+x_34 = lean_ctor_get_uint8(x_14, sizeof(void*)*9);
+x_35 = lean_ctor_get(x_14, 8);
+lean_inc(x_35);
 lean_inc(x_33);
 lean_inc(x_32);
 lean_inc(x_31);
+lean_inc(x_30);
 lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
 lean_inc(x_26);
-lean_dec(x_13);
+lean_dec(x_14);
 x_36 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArgCore(x_29, x_1);
-x_37 = lean_alloc_ctor(0, 8, 3);
+x_37 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_37, 0, x_26);
 lean_ctor_set(x_37, 1, x_27);
 lean_ctor_set(x_37, 2, x_28);
 lean_ctor_set(x_37, 3, x_36);
-lean_ctor_set(x_37, 4, x_31);
-lean_ctor_set(x_37, 5, x_32);
-lean_ctor_set(x_37, 6, x_33);
-lean_ctor_set(x_37, 7, x_34);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8, x_25);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8 + 1, x_30);
-lean_ctor_set_uint8(x_37, sizeof(void*)*8 + 2, x_35);
-x_38 = lean_st_ref_set(x_2, x_37, x_14);
+lean_ctor_set(x_37, 4, x_30);
+lean_ctor_set(x_37, 5, x_31);
+lean_ctor_set(x_37, 6, x_32);
+lean_ctor_set(x_37, 7, x_33);
+lean_ctor_set(x_37, 8, x_35);
+lean_ctor_set_uint8(x_37, sizeof(void*)*9, x_34);
+x_38 = lean_st_ref_set(x_3, x_37, x_15);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
 if (lean_is_exclusive(x_38)) {
@@ -4112,11 +4248,12 @@ return x_42;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; 
-x_10 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_object* x_11; 
+x_11 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -4124,321 +4261,320 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_10;
+return x_11;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = lean_st_ref_get(x_9, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_take(x_3, x_12);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_12 = lean_st_ref_get(x_10, x_11);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_st_ref_take(x_4, x_13);
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-lean_dec(x_13);
-x_16 = !lean_is_exclusive(x_14);
-if (x_16 == 0)
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
-x_17 = lean_ctor_get(x_14, 0);
-x_18 = lean_ctor_get(x_14, 1);
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_18 = lean_ctor_get(x_15, 0);
+x_19 = lean_ctor_get(x_15, 1);
 lean_inc(x_2);
-x_19 = l_Lean_mkApp(x_17, x_2);
-x_20 = l_Lean_Expr_bindingBody_x21(x_18);
-lean_dec(x_18);
-x_21 = lean_expr_instantiate1(x_20, x_2);
-lean_dec(x_20);
-lean_ctor_set(x_14, 1, x_21);
-lean_ctor_set(x_14, 0, x_19);
-x_22 = lean_st_ref_set(x_3, x_14, x_15);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
+x_20 = l_Lean_mkApp(x_18, x_2);
+x_21 = l_Lean_Expr_bindingBody_x21(x_19);
+lean_dec(x_19);
+x_22 = lean_expr_instantiate1(x_21, x_2);
+lean_dec(x_21);
+lean_ctor_set(x_15, 1, x_22);
+lean_ctor_set(x_15, 0, x_20);
+x_23 = lean_st_ref_set(x_4, x_15, x_16);
+x_24 = !lean_is_exclusive(x_23);
+if (x_24 == 0)
 {
-lean_object* x_24; lean_object* x_25; uint8_t x_26; 
-x_24 = lean_ctor_get(x_22, 1);
-x_25 = lean_ctor_get(x_22, 0);
-lean_dec(x_25);
-x_26 = l_Lean_Expr_isMVar(x_2);
-if (x_26 == 0)
+lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_25 = lean_ctor_get(x_23, 1);
+x_26 = lean_ctor_get(x_23, 0);
+lean_dec(x_26);
+x_27 = l_Lean_Expr_isMVar(x_2);
+if (x_27 == 0)
 {
-lean_object* x_27; 
+lean_object* x_28; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_27 = lean_box(0);
-lean_ctor_set(x_22, 0, x_27);
-return x_22;
+x_28 = lean_box(0);
+lean_ctor_set(x_23, 0, x_28);
+return x_23;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-lean_free_object(x_22);
-x_28 = l_Lean_Expr_mvarId_x21(x_2);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+lean_free_object(x_23);
+x_29 = l_Lean_Expr_mvarId_x21(x_2);
 lean_dec(x_2);
-x_29 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_28, x_4, x_5, x_6, x_7, x_8, x_9, x_24);
-lean_dec(x_28);
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-if (lean_obj_tag(x_30) == 0)
+x_30 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_25);
+lean_dec(x_29);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+if (lean_obj_tag(x_31) == 0)
 {
-uint8_t x_31; 
+uint8_t x_32; 
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_29);
-if (x_31 == 0)
+x_32 = !lean_is_exclusive(x_30);
+if (x_32 == 0)
 {
-lean_object* x_32; lean_object* x_33; 
-x_32 = lean_ctor_get(x_29, 0);
-lean_dec(x_32);
-x_33 = lean_box(0);
-lean_ctor_set(x_29, 0, x_33);
-return x_29;
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 0);
+lean_dec(x_33);
+x_34 = lean_box(0);
+lean_ctor_set(x_30, 0, x_34);
+return x_30;
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_29, 1);
-lean_inc(x_34);
-lean_dec(x_29);
-x_35 = lean_box(0);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_34);
-return x_36;
+lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_35 = lean_ctor_get(x_30, 1);
+lean_inc(x_35);
+lean_dec(x_30);
+x_36 = lean_box(0);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_35);
+return x_37;
 }
 }
 else
 {
-uint8_t x_37; 
-x_37 = !lean_is_exclusive(x_30);
-if (x_37 == 0)
+uint8_t x_38; 
+x_38 = !lean_is_exclusive(x_31);
+if (x_38 == 0)
 {
-lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-x_38 = lean_ctor_get(x_30, 0);
-x_39 = lean_ctor_get(x_29, 1);
-lean_inc(x_39);
-lean_dec(x_29);
-x_40 = !lean_is_exclusive(x_38);
-if (x_40 == 0)
+lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+x_39 = lean_ctor_get(x_31, 0);
+x_40 = lean_ctor_get(x_30, 1);
+lean_inc(x_40);
+lean_dec(x_30);
+x_41 = !lean_is_exclusive(x_39);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_38, 3);
-lean_dec(x_41);
-lean_ctor_set(x_30, 0, x_1);
-lean_ctor_set(x_38, 3, x_30);
-x_42 = l_Lean_Elab_Term_registerMVarErrorInfo(x_38, x_4, x_5, x_6, x_7, x_8, x_9, x_39);
-return x_42;
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_39, 3);
+lean_dec(x_42);
+lean_ctor_set(x_31, 0, x_1);
+lean_ctor_set(x_39, 3, x_31);
+x_43 = l_Lean_Elab_Term_registerMVarErrorInfo(x_39, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
+return x_43;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_43 = lean_ctor_get(x_38, 0);
-x_44 = lean_ctor_get(x_38, 1);
-x_45 = lean_ctor_get(x_38, 2);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_44 = lean_ctor_get(x_39, 0);
+x_45 = lean_ctor_get(x_39, 1);
+x_46 = lean_ctor_get(x_39, 2);
+lean_inc(x_46);
 lean_inc(x_45);
 lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_38);
-lean_ctor_set(x_30, 0, x_1);
-x_46 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_46, 0, x_43);
-lean_ctor_set(x_46, 1, x_44);
-lean_ctor_set(x_46, 2, x_45);
-lean_ctor_set(x_46, 3, x_30);
-x_47 = l_Lean_Elab_Term_registerMVarErrorInfo(x_46, x_4, x_5, x_6, x_7, x_8, x_9, x_39);
-return x_47;
+lean_dec(x_39);
+lean_ctor_set(x_31, 0, x_1);
+x_47 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_47, 0, x_44);
+lean_ctor_set(x_47, 1, x_45);
+lean_ctor_set(x_47, 2, x_46);
+lean_ctor_set(x_47, 3, x_31);
+x_48 = l_Lean_Elab_Term_registerMVarErrorInfo(x_47, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
+return x_48;
 }
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_48 = lean_ctor_get(x_30, 0);
-lean_inc(x_48);
-lean_dec(x_30);
-x_49 = lean_ctor_get(x_29, 1);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_49 = lean_ctor_get(x_31, 0);
 lean_inc(x_49);
-lean_dec(x_29);
-x_50 = lean_ctor_get(x_48, 0);
+lean_dec(x_31);
+x_50 = lean_ctor_get(x_30, 1);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_48, 1);
+lean_dec(x_30);
+x_51 = lean_ctor_get(x_49, 0);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_48, 2);
+x_52 = lean_ctor_get(x_49, 1);
 lean_inc(x_52);
-if (lean_is_exclusive(x_48)) {
- lean_ctor_release(x_48, 0);
- lean_ctor_release(x_48, 1);
- lean_ctor_release(x_48, 2);
- lean_ctor_release(x_48, 3);
- x_53 = x_48;
+x_53 = lean_ctor_get(x_49, 2);
+lean_inc(x_53);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ lean_ctor_release(x_49, 1);
+ lean_ctor_release(x_49, 2);
+ lean_ctor_release(x_49, 3);
+ x_54 = x_49;
 } else {
- lean_dec_ref(x_48);
- x_53 = lean_box(0);
+ lean_dec_ref(x_49);
+ x_54 = lean_box(0);
 }
-x_54 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_54, 0, x_1);
-if (lean_is_scalar(x_53)) {
- x_55 = lean_alloc_ctor(0, 4, 0);
+x_55 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_55, 0, x_1);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_55 = x_53;
+ x_56 = x_54;
 }
-lean_ctor_set(x_55, 0, x_50);
-lean_ctor_set(x_55, 1, x_51);
-lean_ctor_set(x_55, 2, x_52);
-lean_ctor_set(x_55, 3, x_54);
-x_56 = l_Lean_Elab_Term_registerMVarErrorInfo(x_55, x_4, x_5, x_6, x_7, x_8, x_9, x_49);
-return x_56;
+lean_ctor_set(x_56, 0, x_51);
+lean_ctor_set(x_56, 1, x_52);
+lean_ctor_set(x_56, 2, x_53);
+lean_ctor_set(x_56, 3, x_55);
+x_57 = l_Lean_Elab_Term_registerMVarErrorInfo(x_56, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
+return x_57;
 }
 }
 }
 }
 else
 {
-lean_object* x_57; uint8_t x_58; 
-x_57 = lean_ctor_get(x_22, 1);
-lean_inc(x_57);
-lean_dec(x_22);
-x_58 = l_Lean_Expr_isMVar(x_2);
-if (x_58 == 0)
+lean_object* x_58; uint8_t x_59; 
+x_58 = lean_ctor_get(x_23, 1);
+lean_inc(x_58);
+lean_dec(x_23);
+x_59 = l_Lean_Expr_isMVar(x_2);
+if (x_59 == 0)
 {
-lean_object* x_59; lean_object* x_60; 
+lean_object* x_60; lean_object* x_61; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_59 = lean_box(0);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_57);
-return x_60;
+x_60 = lean_box(0);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_58);
+return x_61;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = l_Lean_Expr_mvarId_x21(x_2);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = l_Lean_Expr_mvarId_x21(x_2);
 lean_dec(x_2);
-x_62 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_61, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
-lean_dec(x_61);
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-if (lean_obj_tag(x_63) == 0)
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-lean_dec(x_1);
-x_64 = lean_ctor_get(x_62, 1);
+x_63 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_62, x_5, x_6, x_7, x_8, x_9, x_10, x_58);
+lean_dec(x_62);
+x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
-if (lean_is_exclusive(x_62)) {
- lean_ctor_release(x_62, 0);
- lean_ctor_release(x_62, 1);
- x_65 = x_62;
-} else {
- lean_dec_ref(x_62);
- x_65 = lean_box(0);
-}
-x_66 = lean_box(0);
-if (lean_is_scalar(x_65)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_67 = x_65;
-}
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_64);
-return x_67;
-}
-else
+if (lean_obj_tag(x_64) == 0)
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_68 = lean_ctor_get(x_63, 0);
-lean_inc(x_68);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+lean_dec(x_1);
+x_65 = lean_ctor_get(x_63, 1);
+lean_inc(x_65);
 if (lean_is_exclusive(x_63)) {
  lean_ctor_release(x_63, 0);
- x_69 = x_63;
+ lean_ctor_release(x_63, 1);
+ x_66 = x_63;
 } else {
  lean_dec_ref(x_63);
- x_69 = lean_box(0);
+ x_66 = lean_box(0);
 }
-x_70 = lean_ctor_get(x_62, 1);
-lean_inc(x_70);
-lean_dec(x_62);
-x_71 = lean_ctor_get(x_68, 0);
+x_67 = lean_box(0);
+if (lean_is_scalar(x_66)) {
+ x_68 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_68 = x_66;
+}
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_65);
+return x_68;
+}
+else
+{
+lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_69 = lean_ctor_get(x_64, 0);
+lean_inc(x_69);
+if (lean_is_exclusive(x_64)) {
+ lean_ctor_release(x_64, 0);
+ x_70 = x_64;
+} else {
+ lean_dec_ref(x_64);
+ x_70 = lean_box(0);
+}
+x_71 = lean_ctor_get(x_63, 1);
 lean_inc(x_71);
-x_72 = lean_ctor_get(x_68, 1);
+lean_dec(x_63);
+x_72 = lean_ctor_get(x_69, 0);
 lean_inc(x_72);
-x_73 = lean_ctor_get(x_68, 2);
+x_73 = lean_ctor_get(x_69, 1);
 lean_inc(x_73);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- lean_ctor_release(x_68, 2);
- lean_ctor_release(x_68, 3);
- x_74 = x_68;
-} else {
- lean_dec_ref(x_68);
- x_74 = lean_box(0);
-}
-if (lean_is_scalar(x_69)) {
- x_75 = lean_alloc_ctor(1, 1, 0);
-} else {
+x_74 = lean_ctor_get(x_69, 2);
+lean_inc(x_74);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ lean_ctor_release(x_69, 2);
+ lean_ctor_release(x_69, 3);
  x_75 = x_69;
-}
-lean_ctor_set(x_75, 0, x_1);
-if (lean_is_scalar(x_74)) {
- x_76 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_76 = x_74;
+ lean_dec_ref(x_69);
+ x_75 = lean_box(0);
 }
-lean_ctor_set(x_76, 0, x_71);
-lean_ctor_set(x_76, 1, x_72);
-lean_ctor_set(x_76, 2, x_73);
-lean_ctor_set(x_76, 3, x_75);
-x_77 = l_Lean_Elab_Term_registerMVarErrorInfo(x_76, x_4, x_5, x_6, x_7, x_8, x_9, x_70);
-return x_77;
+if (lean_is_scalar(x_70)) {
+ x_76 = lean_alloc_ctor(1, 1, 0);
+} else {
+ x_76 = x_70;
+}
+lean_ctor_set(x_76, 0, x_1);
+if (lean_is_scalar(x_75)) {
+ x_77 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_77 = x_75;
+}
+lean_ctor_set(x_77, 0, x_72);
+lean_ctor_set(x_77, 1, x_73);
+lean_ctor_set(x_77, 2, x_74);
+lean_ctor_set(x_77, 3, x_76);
+x_78 = l_Lean_Elab_Term_registerMVarErrorInfo(x_77, x_5, x_6, x_7, x_8, x_9, x_10, x_71);
+return x_78;
 }
 }
 }
 }
 else
 {
-uint8_t x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; 
-x_78 = lean_ctor_get_uint8(x_14, sizeof(void*)*8);
-x_79 = lean_ctor_get(x_14, 0);
-x_80 = lean_ctor_get(x_14, 1);
-x_81 = lean_ctor_get(x_14, 2);
-x_82 = lean_ctor_get(x_14, 3);
-x_83 = lean_ctor_get_uint8(x_14, sizeof(void*)*8 + 1);
-x_84 = lean_ctor_get(x_14, 4);
-x_85 = lean_ctor_get(x_14, 5);
-x_86 = lean_ctor_get(x_14, 6);
-x_87 = lean_ctor_get(x_14, 7);
-x_88 = lean_ctor_get_uint8(x_14, sizeof(void*)*8 + 2);
-lean_inc(x_87);
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint8_t x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; 
+x_79 = lean_ctor_get(x_15, 0);
+x_80 = lean_ctor_get(x_15, 1);
+x_81 = lean_ctor_get(x_15, 2);
+x_82 = lean_ctor_get(x_15, 3);
+x_83 = lean_ctor_get(x_15, 4);
+x_84 = lean_ctor_get(x_15, 5);
+x_85 = lean_ctor_get(x_15, 6);
+x_86 = lean_ctor_get(x_15, 7);
+x_87 = lean_ctor_get_uint8(x_15, sizeof(void*)*9);
+x_88 = lean_ctor_get(x_15, 8);
+lean_inc(x_88);
 lean_inc(x_86);
 lean_inc(x_85);
 lean_inc(x_84);
+lean_inc(x_83);
 lean_inc(x_82);
 lean_inc(x_81);
 lean_inc(x_80);
 lean_inc(x_79);
-lean_dec(x_14);
+lean_dec(x_15);
 lean_inc(x_2);
 x_89 = l_Lean_mkApp(x_79, x_2);
 x_90 = l_Lean_Expr_bindingBody_x21(x_80);
 lean_dec(x_80);
 x_91 = lean_expr_instantiate1(x_90, x_2);
 lean_dec(x_90);
-x_92 = lean_alloc_ctor(0, 8, 3);
+x_92 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_92, 0, x_89);
 lean_ctor_set(x_92, 1, x_91);
 lean_ctor_set(x_92, 2, x_81);
 lean_ctor_set(x_92, 3, x_82);
-lean_ctor_set(x_92, 4, x_84);
-lean_ctor_set(x_92, 5, x_85);
-lean_ctor_set(x_92, 6, x_86);
-lean_ctor_set(x_92, 7, x_87);
-lean_ctor_set_uint8(x_92, sizeof(void*)*8, x_78);
-lean_ctor_set_uint8(x_92, sizeof(void*)*8 + 1, x_83);
-lean_ctor_set_uint8(x_92, sizeof(void*)*8 + 2, x_88);
-x_93 = lean_st_ref_set(x_3, x_92, x_15);
+lean_ctor_set(x_92, 4, x_83);
+lean_ctor_set(x_92, 5, x_84);
+lean_ctor_set(x_92, 6, x_85);
+lean_ctor_set(x_92, 7, x_86);
+lean_ctor_set(x_92, 8, x_88);
+lean_ctor_set_uint8(x_92, sizeof(void*)*9, x_87);
+x_93 = lean_st_ref_set(x_4, x_92, x_16);
 x_94 = lean_ctor_get(x_93, 1);
 lean_inc(x_94);
 if (lean_is_exclusive(x_93)) {
@@ -4471,7 +4607,7 @@ lean_object* x_99; lean_object* x_100; lean_object* x_101;
 lean_dec(x_95);
 x_99 = l_Lean_Expr_mvarId_x21(x_2);
 lean_dec(x_2);
-x_100 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_99, x_4, x_5, x_6, x_7, x_8, x_9, x_94);
+x_100 = l_Lean_Elab_Term_getMVarErrorInfo_x3f(x_99, x_5, x_6, x_7, x_8, x_9, x_10, x_94);
 lean_dec(x_99);
 x_101 = lean_ctor_get(x_100, 0);
 lean_inc(x_101);
@@ -4545,18 +4681,19 @@ lean_ctor_set(x_114, 0, x_109);
 lean_ctor_set(x_114, 1, x_110);
 lean_ctor_set(x_114, 2, x_111);
 lean_ctor_set(x_114, 3, x_113);
-x_115 = l_Lean_Elab_Term_registerMVarErrorInfo(x_114, x_4, x_5, x_6, x_7, x_8, x_9, x_108);
+x_115 = l_Lean_Elab_Term_registerMVarErrorInfo(x_114, x_5, x_6, x_7, x_8, x_9, x_10, x_108);
 return x_115;
 }
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; 
-x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_object* x_12; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -4564,484 +4701,486 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_11;
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_11 = lean_st_ref_get(x_9, x_10);
-x_12 = lean_ctor_get(x_11, 1);
-lean_inc(x_12);
-lean_dec(x_11);
-x_13 = lean_st_ref_get(x_3, x_12);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_12 = lean_st_ref_get(x_10, x_11);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_st_ref_get(x_4, x_13);
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-lean_dec(x_13);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_15);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_16);
+x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_expr_consume_type_annotations(x_17);
+x_19 = lean_ctor_get(x_17, 1);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_expr_consume_type_annotations(x_18);
 if (lean_obj_tag(x_2) == 0)
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_2, 0);
-lean_inc(x_20);
+lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; 
+x_21 = lean_ctor_get(x_2, 0);
+lean_inc(x_21);
 lean_dec(x_2);
-lean_inc(x_19);
-x_21 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_21, 0, x_19);
-x_22 = 1;
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
 lean_inc(x_20);
-x_23 = l_Lean_Elab_Term_elabTerm(x_20, x_21, x_22, x_22, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_23, 1);
-lean_inc(x_25);
-lean_dec(x_23);
-x_26 = lean_ctor_get(x_14, 0);
-lean_inc(x_26);
-lean_dec(x_14);
-x_27 = lean_ctor_get(x_8, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_8, 1);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_8, 2);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_8, 3);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_8, 4);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_8, 5);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_8, 6);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_8, 7);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_8, 8);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_8, 9);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_8, 10);
-lean_inc(x_37);
-x_38 = l_Lean_replaceRef(x_20, x_32);
-lean_dec(x_32);
-lean_dec(x_20);
-x_39 = lean_alloc_ctor(0, 11, 0);
-lean_ctor_set(x_39, 0, x_27);
-lean_ctor_set(x_39, 1, x_28);
-lean_ctor_set(x_39, 2, x_29);
-lean_ctor_set(x_39, 3, x_30);
-lean_ctor_set(x_39, 4, x_31);
-lean_ctor_set(x_39, 5, x_38);
-lean_ctor_set(x_39, 6, x_33);
-lean_ctor_set(x_39, 7, x_34);
-lean_ctor_set(x_39, 8, x_35);
-lean_ctor_set(x_39, 9, x_36);
-lean_ctor_set(x_39, 10, x_37);
-lean_inc(x_9);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ensureArgType(x_26, x_24, x_19, x_4, x_5, x_6, x_7, x_39, x_9, x_25);
-if (lean_obj_tag(x_40) == 0)
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_40, 1);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_41, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_42);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_43;
-}
-else
-{
-uint8_t x_44; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_40);
-if (x_44 == 0)
-{
-return x_40;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_40, 0);
-x_46 = lean_ctor_get(x_40, 1);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_40);
-x_47 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_47, 0, x_45);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
-}
-}
-}
-else
-{
-uint8_t x_48; 
-lean_dec(x_20);
-lean_dec(x_19);
-lean_dec(x_14);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_48 = !lean_is_exclusive(x_23);
-if (x_48 == 0)
-{
-return x_23;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_23, 0);
-x_50 = lean_ctor_get(x_23, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_23);
-x_51 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-return x_51;
-}
-}
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_2, 0);
-lean_inc(x_52);
-lean_dec(x_2);
-x_53 = lean_ctor_get(x_14, 0);
-lean_inc(x_53);
-lean_dec(x_14);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_54 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ensureArgType(x_53, x_52, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_18);
-if (lean_obj_tag(x_54) == 0)
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_54, 0);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_54, 1);
-lean_inc(x_56);
-lean_dec(x_54);
-x_57 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_55, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_56);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_57;
-}
-else
-{
-uint8_t x_58; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_1);
-x_58 = !lean_is_exclusive(x_54);
-if (x_58 == 0)
-{
-return x_54;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_59 = lean_ctor_get(x_54, 0);
-x_60 = lean_ctor_get(x_54, 1);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_54);
-x_61 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_61, 0, x_59);
-lean_ctor_set(x_61, 1, x_60);
-return x_61;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_3);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
-_start:
-{
-uint8_t x_12; 
-x_12 = lean_usize_dec_eq(x_2, x_3);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_array_uget(x_1, x_2);
+x_22 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_22, 0, x_20);
+x_23 = 1;
 lean_inc(x_10);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
-x_14 = lean_infer_type(x_13, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_14) == 0)
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_21);
+x_24 = l_Lean_Elab_Term_elabTerm(x_21, x_22, x_23, x_23, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
+if (lean_obj_tag(x_24) == 0)
 {
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_14, 0);
-x_17 = lean_ctor_get(x_14, 1);
-x_18 = l_Lean_Expr_getOptParamDefault_x3f(x_16);
-if (lean_obj_tag(x_18) == 0)
-{
-lean_object* x_19; 
-x_19 = l_Lean_Expr_getAutoParamTactic_x3f(x_16);
-lean_dec(x_16);
-if (lean_obj_tag(x_19) == 0)
-{
-size_t x_20; size_t x_21; 
-lean_free_object(x_14);
-x_20 = 1;
-x_21 = lean_usize_add(x_2, x_20);
-x_2 = x_21;
-x_11 = x_17;
-goto _start;
-}
-else
-{
-uint8_t x_23; lean_object* x_24; 
-lean_dec(x_19);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_23 = 1;
-x_24 = lean_box(x_23);
-lean_ctor_set(x_14, 0, x_24);
-return x_14;
-}
-}
-else
-{
-uint8_t x_25; lean_object* x_26; 
-lean_dec(x_18);
-lean_dec(x_16);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_25 = 1;
-x_26 = lean_box(x_25);
-lean_ctor_set(x_14, 0, x_26);
-return x_14;
-}
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_14, 0);
-x_28 = lean_ctor_get(x_14, 1);
-lean_inc(x_28);
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = lean_ctor_get(x_15, 0);
 lean_inc(x_27);
-lean_dec(x_14);
-x_29 = l_Lean_Expr_getOptParamDefault_x3f(x_27);
-if (lean_obj_tag(x_29) == 0)
+lean_dec(x_15);
+x_28 = lean_ctor_get(x_9, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_9, 1);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_9, 2);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_9, 3);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_9, 4);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_9, 5);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_9, 6);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_9, 7);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_9, 8);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_9, 9);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_9, 10);
+lean_inc(x_38);
+x_39 = l_Lean_replaceRef(x_21, x_33);
+lean_dec(x_33);
+lean_dec(x_21);
+x_40 = lean_alloc_ctor(0, 11, 0);
+lean_ctor_set(x_40, 0, x_28);
+lean_ctor_set(x_40, 1, x_29);
+lean_ctor_set(x_40, 2, x_30);
+lean_ctor_set(x_40, 3, x_31);
+lean_ctor_set(x_40, 4, x_32);
+lean_ctor_set(x_40, 5, x_39);
+lean_ctor_set(x_40, 6, x_34);
+lean_ctor_set(x_40, 7, x_35);
+lean_ctor_set(x_40, 8, x_36);
+lean_ctor_set(x_40, 9, x_37);
+lean_ctor_set(x_40, 10, x_38);
+lean_inc(x_10);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ensureArgType(x_27, x_25, x_20, x_5, x_6, x_7, x_8, x_40, x_10, x_26);
+if (lean_obj_tag(x_41) == 0)
 {
-lean_object* x_30; 
-x_30 = l_Lean_Expr_getAutoParamTactic_x3f(x_27);
-lean_dec(x_27);
-if (lean_obj_tag(x_30) == 0)
-{
-size_t x_31; size_t x_32; 
-x_31 = 1;
-x_32 = lean_usize_add(x_2, x_31);
-x_2 = x_32;
-x_11 = x_28;
-goto _start;
-}
-else
-{
-uint8_t x_34; lean_object* x_35; lean_object* x_36; 
-lean_dec(x_30);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_34 = 1;
-x_35 = lean_box(x_34);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_35);
-lean_ctor_set(x_36, 1, x_28);
-return x_36;
-}
-}
-else
-{
-uint8_t x_37; lean_object* x_38; lean_object* x_39; 
-lean_dec(x_29);
-lean_dec(x_27);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_37 = 1;
-x_38 = lean_box(x_37);
-x_39 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_28);
-return x_39;
-}
-}
-}
-else
-{
-uint8_t x_40; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-x_40 = !lean_is_exclusive(x_14);
-if (x_40 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_14, 0);
-x_42 = lean_ctor_get(x_14, 1);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
-lean_inc(x_41);
-lean_dec(x_14);
-x_43 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_43, 0, x_41);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_42, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_43);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_44;
+}
+else
+{
+uint8_t x_45; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_45 = !lean_is_exclusive(x_41);
+if (x_45 == 0)
+{
+return x_41;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_41, 0);
+x_47 = lean_ctor_get(x_41, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_41);
+x_48 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
 }
 }
 }
 else
 {
-uint8_t x_44; lean_object* x_45; lean_object* x_46; 
+uint8_t x_49; 
+lean_dec(x_21);
+lean_dec(x_20);
+lean_dec(x_15);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-x_44 = 0;
-x_45 = lean_box(x_44);
-x_46 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_11);
-return x_46;
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_49 = !lean_is_exclusive(x_24);
+if (x_49 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_24, 0);
+x_51 = lean_ctor_get(x_24, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_24);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_2, 0);
+lean_inc(x_53);
+lean_dec(x_2);
+x_54 = lean_ctor_get(x_15, 0);
+lean_inc(x_54);
+lean_dec(x_15);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_55 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ensureArgType(x_54, x_53, x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
+if (lean_obj_tag(x_55) == 0)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_56, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_57);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_58;
+}
+else
+{
+uint8_t x_59; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_59 = !lean_is_exclusive(x_55);
+if (x_59 == 0)
+{
+return x_55;
+}
+else
+{
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_55, 0);
+x_61 = lean_ctor_get(x_55, 1);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_dec(x_55);
+x_62 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
-x_12 = lean_apply_10(x_1, x_5, x_6, x_2, x_3, x_4, x_7, x_8, x_9, x_10, x_11);
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_4);
+lean_dec(x_3);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; 
-x_11 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1), 11, 4);
-lean_closure_set(x_11, 0, x_2);
-lean_closure_set(x_11, 1, x_3);
-lean_closure_set(x_11, 2, x_4);
-lean_closure_set(x_11, 3, x_5);
-x_12 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(x_1, x_11, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_12) == 0)
-{
 uint8_t x_13; 
-x_13 = !lean_is_exclusive(x_12);
+x_13 = lean_usize_dec_eq(x_2, x_3);
 if (x_13 == 0)
 {
-return x_12;
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_array_uget(x_1, x_2);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_8);
+x_15 = lean_infer_type(x_14, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_15) == 0)
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_15, 0);
+x_18 = lean_ctor_get(x_15, 1);
+x_19 = l_Lean_Expr_getOptParamDefault_x3f(x_17);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; 
+x_20 = l_Lean_Expr_getAutoParamTactic_x3f(x_17);
+lean_dec(x_17);
+if (lean_obj_tag(x_20) == 0)
+{
+size_t x_21; size_t x_22; 
+lean_free_object(x_15);
+x_21 = 1;
+x_22 = lean_usize_add(x_2, x_21);
+x_2 = x_22;
+x_12 = x_18;
+goto _start;
 }
 else
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_12, 0);
-x_15 = lean_ctor_get(x_12, 1);
+uint8_t x_24; lean_object* x_25; 
+lean_dec(x_20);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_24 = 1;
+x_25 = lean_box(x_24);
+lean_ctor_set(x_15, 0, x_25);
+return x_15;
+}
+}
+else
+{
+uint8_t x_26; lean_object* x_27; 
+lean_dec(x_19);
+lean_dec(x_17);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_26 = 1;
+x_27 = lean_box(x_26);
+lean_ctor_set(x_15, 0, x_27);
+return x_15;
+}
+}
+else
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_15, 0);
+x_29 = lean_ctor_get(x_15, 1);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_dec(x_15);
+x_30 = l_Lean_Expr_getOptParamDefault_x3f(x_28);
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_31; 
+x_31 = l_Lean_Expr_getAutoParamTactic_x3f(x_28);
+lean_dec(x_28);
+if (lean_obj_tag(x_31) == 0)
+{
+size_t x_32; size_t x_33; 
+x_32 = 1;
+x_33 = lean_usize_add(x_2, x_32);
+x_2 = x_33;
+x_12 = x_29;
+goto _start;
+}
+else
+{
+uint8_t x_35; lean_object* x_36; lean_object* x_37; 
+lean_dec(x_31);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_35 = 1;
+x_36 = lean_box(x_35);
+x_37 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_37, 0, x_36);
+lean_ctor_set(x_37, 1, x_29);
+return x_37;
+}
+}
+else
+{
+uint8_t x_38; lean_object* x_39; lean_object* x_40; 
+lean_dec(x_30);
+lean_dec(x_28);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_38 = 1;
+x_39 = lean_box(x_38);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_29);
+return x_40;
+}
+}
+}
+else
+{
+uint8_t x_41; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_41 = !lean_is_exclusive(x_15);
+if (x_41 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_15, 0);
+x_43 = lean_ctor_get(x_15, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_15);
+x_44 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_44, 0, x_42);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
+}
+}
+else
+{
+uint8_t x_45; lean_object* x_46; lean_object* x_47; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+x_45 = 0;
+x_46 = lean_box(x_45);
+x_47 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_12);
+return x_47;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
+{
+lean_object* x_13; 
+x_13 = lean_apply_11(x_1, x_6, x_7, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg___lambda__1), 12, 5);
+lean_closure_set(x_12, 0, x_2);
+lean_closure_set(x_12, 1, x_3);
+lean_closure_set(x_12, 2, x_4);
+lean_closure_set(x_12, 3, x_5);
+lean_closure_set(x_12, 4, x_6);
+x_13 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingImp___rarg(x_1, x_12, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+return x_13;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
 lean_inc(x_15);
-lean_inc(x_14);
-lean_dec(x_12);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_14);
-lean_ctor_set(x_16, 1, x_15);
-return x_16;
+lean_dec(x_13);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
 }
 }
 else
 {
-uint8_t x_17; 
-x_17 = !lean_is_exclusive(x_12);
-if (x_17 == 0)
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_13);
+if (x_18 == 0)
 {
-return x_12;
+return x_13;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_12, 0);
-x_19 = lean_ctor_get(x_12, 1);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 0);
+x_20 = lean_ctor_get(x_13, 1);
+lean_inc(x_20);
 lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_12);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_18);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
+lean_dec(x_13);
+x_21 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_21, 0, x_19);
+lean_ctor_set(x_21, 1, x_20);
+return x_21;
 }
 }
 }
@@ -5050,22 +5189,23 @@ LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg), 10, 0);
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg), 11, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+lean_object* x_12; lean_object* x_13; uint8_t x_14; 
 lean_dec(x_2);
-x_11 = lean_array_get_size(x_1);
-x_12 = lean_unsigned_to_nat(0u);
-x_13 = lean_nat_dec_lt(x_12, x_11);
-if (x_13 == 0)
+x_12 = lean_array_get_size(x_1);
+x_13 = lean_unsigned_to_nat(0u);
+x_14 = lean_nat_dec_lt(x_13, x_12);
+if (x_14 == 0)
 {
-uint8_t x_14; lean_object* x_15; lean_object* x_16; 
-lean_dec(x_11);
+uint8_t x_15; lean_object* x_16; lean_object* x_17; 
+lean_dec(x_12);
+lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -5073,21 +5213,22 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_14 = 0;
-x_15 = lean_box(x_14);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_15);
-lean_ctor_set(x_16, 1, x_10);
-return x_16;
+x_15 = 0;
+x_16 = lean_box(x_15);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_11);
+return x_17;
 }
 else
 {
-uint8_t x_17; 
-x_17 = lean_nat_dec_le(x_11, x_11);
-if (x_17 == 0)
+uint8_t x_18; 
+x_18 = lean_nat_dec_le(x_12, x_12);
+if (x_18 == 0)
 {
-uint8_t x_18; lean_object* x_19; lean_object* x_20; 
-lean_dec(x_11);
+uint8_t x_19; lean_object* x_20; lean_object* x_21; 
+lean_dec(x_12);
+lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -5095,24 +5236,25 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_18 = 0;
-x_19 = lean_box(x_18);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_10);
-return x_20;
+x_19 = 0;
+x_20 = lean_box(x_19);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_11);
+return x_21;
 }
 else
 {
-size_t x_21; size_t x_22; lean_object* x_23; 
-x_21 = 0;
-x_22 = lean_usize_of_nat(x_11);
-lean_dec(x_11);
-x_23 = l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(x_1, x_21, x_22, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+size_t x_22; size_t x_23; lean_object* x_24; 
+x_22 = 0;
+x_23 = lean_usize_of_nat(x_12);
+lean_dec(x_12);
+x_24 = l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(x_1, x_22, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_23;
+return x_24;
 }
 }
 }
@@ -5121,64 +5263,65 @@ static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArg
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed), 10, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed), 11, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
-x_11 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_1, x_10, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-return x_11;
+lean_object* x_11; lean_object* x_12; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
+x_12 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_1, x_11, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-size_t x_12; size_t x_13; lean_object* x_14; 
-x_12 = lean_unbox_usize(x_2);
+size_t x_13; size_t x_14; lean_object* x_15; 
+x_13 = lean_unbox_usize(x_2);
 lean_dec(x_2);
-x_13 = lean_unbox_usize(x_3);
+x_14 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_14 = l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(x_1, x_12, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_15 = l_Array_anyMUnsafe_any___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__1(x_1, x_13, x_14, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_1);
-return x_14;
+return x_15;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; 
-x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_object* x_12; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_1);
-return x_11;
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_9 = lean_st_ref_get(x_7, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_1, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_2, x_11);
+x_13 = lean_ctor_get(x_12, 0);
 lean_inc(x_13);
-lean_dec(x_11);
 x_14 = lean_ctor_get(x_12, 1);
 lean_inc(x_14);
 lean_dec(x_12);
-x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
-x_16 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_14, x_15, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_13);
-return x_16;
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
+x_17 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_15, x_16, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
+return x_17;
 }
 }
 LEAN_EXPORT uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1(lean_object* x_1, lean_object* x_2) {
@@ -5825,373 +5968,372 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
-x_11 = lean_ctor_get(x_8, 5);
-x_12 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_6, x_7, x_8, x_9, x_10);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
+x_12 = lean_ctor_get(x_9, 5);
+x_13 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_7, x_8, x_9, x_10, x_11);
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-lean_dec(x_12);
-x_15 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_13);
-x_16 = lean_st_ref_take(x_9, x_14);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_17, 3);
+x_15 = lean_ctor_get(x_13, 1);
+lean_inc(x_15);
+lean_dec(x_13);
+x_16 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_14);
+x_17 = lean_st_ref_take(x_10, x_15);
+x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
-x_19 = lean_ctor_get(x_16, 1);
+x_19 = lean_ctor_get(x_18, 3);
 lean_inc(x_19);
-lean_dec(x_16);
-x_20 = !lean_is_exclusive(x_17);
-if (x_20 == 0)
+x_20 = lean_ctor_get(x_17, 1);
+lean_inc(x_20);
+lean_dec(x_17);
+x_21 = !lean_is_exclusive(x_18);
+if (x_21 == 0)
 {
-lean_object* x_21; uint8_t x_22; 
-x_21 = lean_ctor_get(x_17, 3);
-lean_dec(x_21);
-x_22 = !lean_is_exclusive(x_18);
-if (x_22 == 0)
+lean_object* x_22; uint8_t x_23; 
+x_22 = lean_ctor_get(x_18, 3);
+lean_dec(x_22);
+x_23 = !lean_is_exclusive(x_19);
+if (x_23 == 0)
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_23 = lean_ctor_get(x_18, 0);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
-x_25 = l_Lean_Name_append(x_1, x_24);
-x_26 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_26, 0, x_1);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
-x_28 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_26);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_24 = lean_ctor_get(x_19, 0);
+x_25 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
+x_26 = l_Lean_Name_append(x_1, x_25);
+x_27 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_27, 0, x_1);
+x_28 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_27);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
 x_31 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_15);
-x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-x_34 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_34, 0, x_25);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_16);
+x_33 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
 lean_ctor_set(x_34, 1, x_33);
-lean_inc(x_11);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_11);
+x_35 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_35, 0, x_26);
 lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Std_PersistentArray_push___rarg(x_23, x_35);
-lean_ctor_set(x_18, 0, x_36);
-x_37 = lean_st_ref_set(x_9, x_17, x_19);
-x_38 = !lean_is_exclusive(x_37);
-if (x_38 == 0)
+lean_inc(x_12);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_12);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = l_Std_PersistentArray_push___rarg(x_24, x_36);
+lean_ctor_set(x_19, 0, x_37);
+x_38 = lean_st_ref_set(x_10, x_18, x_20);
+x_39 = !lean_is_exclusive(x_38);
+if (x_39 == 0)
 {
-lean_object* x_39; lean_object* x_40; 
-x_39 = lean_ctor_get(x_37, 0);
-lean_dec(x_39);
-x_40 = lean_box(0);
-lean_ctor_set(x_37, 0, x_40);
-return x_37;
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_38, 0);
+lean_dec(x_40);
+x_41 = lean_box(0);
+lean_ctor_set(x_38, 0, x_41);
+return x_38;
 }
 else
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_37, 1);
-lean_inc(x_41);
-lean_dec(x_37);
-x_42 = lean_box(0);
-x_43 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_43, 0, x_42);
-lean_ctor_set(x_43, 1, x_41);
-return x_43;
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_38, 1);
+lean_inc(x_42);
+lean_dec(x_38);
+x_43 = lean_box(0);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_42);
+return x_44;
 }
 }
 else
 {
-uint8_t x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_44 = lean_ctor_get_uint8(x_18, sizeof(void*)*1);
-x_45 = lean_ctor_get(x_18, 0);
-lean_inc(x_45);
-lean_dec(x_18);
-x_46 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
-x_47 = l_Lean_Name_append(x_1, x_46);
-x_48 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_48, 0, x_1);
-x_49 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
-x_50 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_50, 0, x_49);
-lean_ctor_set(x_50, 1, x_48);
-x_51 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
-x_52 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_52, 0, x_50);
-lean_ctor_set(x_52, 1, x_51);
+uint8_t x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_45 = lean_ctor_get_uint8(x_19, sizeof(void*)*1);
+x_46 = lean_ctor_get(x_19, 0);
+lean_inc(x_46);
+lean_dec(x_19);
+x_47 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
+x_48 = l_Lean_Name_append(x_1, x_47);
+x_49 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_49, 0, x_1);
+x_50 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
+x_51 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_49);
+x_52 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
 x_53 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_15);
-x_54 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_55 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_56, 0, x_47);
+lean_ctor_set(x_53, 0, x_51);
+lean_ctor_set(x_53, 1, x_52);
+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_16);
+x_55 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_56 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-lean_inc(x_11);
-x_57 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_57, 0, x_11);
+x_57 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_57, 0, x_48);
 lean_ctor_set(x_57, 1, x_56);
-x_58 = l_Std_PersistentArray_push___rarg(x_45, x_57);
-x_59 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_59, 0, x_58);
-lean_ctor_set_uint8(x_59, sizeof(void*)*1, x_44);
-lean_ctor_set(x_17, 3, x_59);
-x_60 = lean_st_ref_set(x_9, x_17, x_19);
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-if (lean_is_exclusive(x_60)) {
- lean_ctor_release(x_60, 0);
- lean_ctor_release(x_60, 1);
- x_62 = x_60;
+lean_inc(x_12);
+x_58 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_58, 0, x_12);
+lean_ctor_set(x_58, 1, x_57);
+x_59 = l_Std_PersistentArray_push___rarg(x_46, x_58);
+x_60 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set_uint8(x_60, sizeof(void*)*1, x_45);
+lean_ctor_set(x_18, 3, x_60);
+x_61 = lean_st_ref_set(x_10, x_18, x_20);
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+if (lean_is_exclusive(x_61)) {
+ lean_ctor_release(x_61, 0);
+ lean_ctor_release(x_61, 1);
+ x_63 = x_61;
 } else {
- lean_dec_ref(x_60);
- x_62 = lean_box(0);
+ lean_dec_ref(x_61);
+ x_63 = lean_box(0);
 }
-x_63 = lean_box(0);
-if (lean_is_scalar(x_62)) {
- x_64 = lean_alloc_ctor(0, 2, 0);
+x_64 = lean_box(0);
+if (lean_is_scalar(x_63)) {
+ x_65 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_64 = x_62;
+ x_65 = x_63;
 }
-lean_ctor_set(x_64, 0, x_63);
-lean_ctor_set(x_64, 1, x_61);
-return x_64;
+lean_ctor_set(x_65, 0, x_64);
+lean_ctor_set(x_65, 1, x_62);
+return x_65;
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; 
-x_65 = lean_ctor_get(x_17, 0);
-x_66 = lean_ctor_get(x_17, 1);
-x_67 = lean_ctor_get(x_17, 2);
-x_68 = lean_ctor_get(x_17, 4);
-x_69 = lean_ctor_get(x_17, 5);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_66 = lean_ctor_get(x_18, 0);
+x_67 = lean_ctor_get(x_18, 1);
+x_68 = lean_ctor_get(x_18, 2);
+x_69 = lean_ctor_get(x_18, 4);
+x_70 = lean_ctor_get(x_18, 5);
+lean_inc(x_70);
 lean_inc(x_69);
 lean_inc(x_68);
 lean_inc(x_67);
 lean_inc(x_66);
-lean_inc(x_65);
-lean_dec(x_17);
-x_70 = lean_ctor_get_uint8(x_18, sizeof(void*)*1);
-x_71 = lean_ctor_get(x_18, 0);
-lean_inc(x_71);
-if (lean_is_exclusive(x_18)) {
- lean_ctor_release(x_18, 0);
- x_72 = x_18;
+lean_dec(x_18);
+x_71 = lean_ctor_get_uint8(x_19, sizeof(void*)*1);
+x_72 = lean_ctor_get(x_19, 0);
+lean_inc(x_72);
+if (lean_is_exclusive(x_19)) {
+ lean_ctor_release(x_19, 0);
+ x_73 = x_19;
 } else {
- lean_dec_ref(x_18);
- x_72 = lean_box(0);
+ lean_dec_ref(x_19);
+ x_73 = lean_box(0);
 }
-x_73 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
-x_74 = l_Lean_Name_append(x_1, x_73);
-x_75 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_75, 0, x_1);
-x_76 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
-x_77 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_77, 0, x_76);
-lean_ctor_set(x_77, 1, x_75);
-x_78 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
-x_79 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_79, 0, x_77);
-lean_ctor_set(x_79, 1, x_78);
+x_74 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__2;
+x_75 = l_Lean_Name_append(x_1, x_74);
+x_76 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_76, 0, x_1);
+x_77 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__4;
+x_78 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_78, 0, x_77);
+lean_ctor_set(x_78, 1, x_76);
+x_79 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___closed__6;
 x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_79);
-lean_ctor_set(x_80, 1, x_15);
-x_81 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_82 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_82, 0, x_80);
-lean_ctor_set(x_82, 1, x_81);
-x_83 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_83, 0, x_74);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+x_81 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_81, 0, x_80);
+lean_ctor_set(x_81, 1, x_16);
+x_82 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_83 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_83, 0, x_81);
 lean_ctor_set(x_83, 1, x_82);
-lean_inc(x_11);
-x_84 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_84, 0, x_11);
+x_84 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_84, 0, x_75);
 lean_ctor_set(x_84, 1, x_83);
-x_85 = l_Std_PersistentArray_push___rarg(x_71, x_84);
-if (lean_is_scalar(x_72)) {
- x_86 = lean_alloc_ctor(0, 1, 1);
+lean_inc(x_12);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_12);
+lean_ctor_set(x_85, 1, x_84);
+x_86 = l_Std_PersistentArray_push___rarg(x_72, x_85);
+if (lean_is_scalar(x_73)) {
+ x_87 = lean_alloc_ctor(0, 1, 1);
 } else {
- x_86 = x_72;
+ x_87 = x_73;
 }
-lean_ctor_set(x_86, 0, x_85);
-lean_ctor_set_uint8(x_86, sizeof(void*)*1, x_70);
-x_87 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_87, 0, x_65);
-lean_ctor_set(x_87, 1, x_66);
-lean_ctor_set(x_87, 2, x_67);
-lean_ctor_set(x_87, 3, x_86);
-lean_ctor_set(x_87, 4, x_68);
-lean_ctor_set(x_87, 5, x_69);
-x_88 = lean_st_ref_set(x_9, x_87, x_19);
-x_89 = lean_ctor_get(x_88, 1);
-lean_inc(x_89);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_90 = x_88;
+lean_ctor_set(x_87, 0, x_86);
+lean_ctor_set_uint8(x_87, sizeof(void*)*1, x_71);
+x_88 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_88, 0, x_66);
+lean_ctor_set(x_88, 1, x_67);
+lean_ctor_set(x_88, 2, x_68);
+lean_ctor_set(x_88, 3, x_87);
+lean_ctor_set(x_88, 4, x_69);
+lean_ctor_set(x_88, 5, x_70);
+x_89 = lean_st_ref_set(x_10, x_88, x_20);
+x_90 = lean_ctor_get(x_89, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_91 = x_89;
 } else {
- lean_dec_ref(x_88);
- x_90 = lean_box(0);
+ lean_dec_ref(x_89);
+ x_91 = lean_box(0);
 }
-x_91 = lean_box(0);
-if (lean_is_scalar(x_90)) {
- x_92 = lean_alloc_ctor(0, 2, 0);
+x_92 = lean_box(0);
+if (lean_is_scalar(x_91)) {
+ x_93 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_92 = x_90;
+ x_93 = x_91;
 }
-lean_ctor_set(x_92, 0, x_91);
-lean_ctor_set(x_92, 1, x_89);
-return x_92;
+lean_ctor_set(x_93, 0, x_92);
+lean_ctor_set(x_93, 1, x_90);
+return x_93;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; uint8_t x_11; lean_object* x_12; lean_object* x_13; 
-x_10 = lean_ctor_get(x_7, 2);
-x_11 = l_Lean_checkTraceOption(x_10, x_1);
-x_12 = lean_box(x_11);
-x_13 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_13, 0, x_12);
-lean_ctor_set(x_13, 1, x_9);
-return x_13;
+lean_object* x_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = lean_ctor_get(x_8, 2);
+x_12 = l_Lean_checkTraceOption(x_11, x_1);
+x_13 = lean_box(x_12);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_10);
+return x_14;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; 
-lean_inc(x_10);
-x_12 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_7, x_8, x_9, x_10, x_11);
-if (lean_obj_tag(x_12) == 0)
+lean_object* x_13; 
+lean_inc(x_11);
+x_13 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_8, x_9, x_10, x_11, x_12);
+if (lean_obj_tag(x_13) == 0)
 {
-lean_object* x_13; uint8_t x_14; 
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_unbox(x_13);
-lean_dec(x_13);
-if (x_14 == 0)
-{
-uint8_t x_15; 
-lean_dec(x_10);
-x_15 = !lean_is_exclusive(x_12);
+lean_object* x_14; uint8_t x_15; 
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_unbox(x_14);
+lean_dec(x_14);
 if (x_15 == 0)
 {
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_12, 0);
-lean_dec(x_16);
-x_17 = lean_box(0);
-lean_ctor_set(x_12, 0, x_17);
-return x_12;
+uint8_t x_16; 
+lean_dec(x_11);
+x_16 = !lean_is_exclusive(x_13);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_13, 0);
+lean_dec(x_17);
+x_18 = lean_box(0);
+lean_ctor_set(x_13, 0, x_18);
+return x_13;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_12, 1);
-lean_inc(x_18);
-lean_dec(x_12);
-x_19 = lean_box(0);
-x_20 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_20, 0, x_19);
-lean_ctor_set(x_20, 1, x_18);
-return x_20;
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_13, 1);
+lean_inc(x_19);
+lean_dec(x_13);
+x_20 = lean_box(0);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+return x_21;
 }
 }
 else
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-x_21 = lean_ctor_get(x_12, 1);
-lean_inc(x_21);
-lean_dec(x_12);
-x_22 = lean_st_ref_get(x_10, x_21);
-lean_dec(x_10);
-x_23 = lean_ctor_get(x_22, 1);
-lean_inc(x_23);
-lean_dec(x_22);
-x_24 = lean_st_ref_take(x_4, x_23);
-x_25 = lean_ctor_get(x_24, 0);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_24, 1);
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+x_22 = lean_ctor_get(x_13, 1);
+lean_inc(x_22);
+lean_dec(x_13);
+x_23 = lean_st_ref_get(x_11, x_22);
+lean_dec(x_11);
+x_24 = lean_ctor_get(x_23, 1);
+lean_inc(x_24);
+lean_dec(x_23);
+x_25 = lean_st_ref_take(x_5, x_24);
+x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-lean_dec(x_24);
-x_27 = !lean_is_exclusive(x_25);
-if (x_27 == 0)
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = !lean_is_exclusive(x_26);
+if (x_28 == 0)
 {
-uint8_t x_28; lean_object* x_29; uint8_t x_30; 
-x_28 = 0;
-lean_ctor_set_uint8(x_25, sizeof(void*)*8 + 2, x_28);
-x_29 = lean_st_ref_set(x_4, x_25, x_26);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
+uint8_t x_29; lean_object* x_30; uint8_t x_31; 
+x_29 = 0;
+lean_ctor_set_uint8(x_26, sizeof(void*)*9, x_29);
+x_30 = lean_st_ref_set(x_5, x_26, x_27);
+x_31 = !lean_is_exclusive(x_30);
+if (x_31 == 0)
 {
-lean_object* x_31; lean_object* x_32; 
-x_31 = lean_ctor_get(x_29, 0);
-lean_dec(x_31);
-x_32 = lean_box(0);
-lean_ctor_set(x_29, 0, x_32);
-return x_29;
+lean_object* x_32; lean_object* x_33; 
+x_32 = lean_ctor_get(x_30, 0);
+lean_dec(x_32);
+x_33 = lean_box(0);
+lean_ctor_set(x_30, 0, x_33);
+return x_30;
 }
 else
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_33 = lean_ctor_get(x_29, 1);
-lean_inc(x_33);
-lean_dec(x_29);
-x_34 = lean_box(0);
-x_35 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_33);
-return x_35;
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_30, 1);
+lean_inc(x_34);
+lean_dec(x_30);
+x_35 = lean_box(0);
+x_36 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_34);
+return x_36;
 }
 }
 else
 {
-uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_36 = lean_ctor_get_uint8(x_25, sizeof(void*)*8);
-x_37 = lean_ctor_get(x_25, 0);
-x_38 = lean_ctor_get(x_25, 1);
-x_39 = lean_ctor_get(x_25, 2);
-x_40 = lean_ctor_get(x_25, 3);
-x_41 = lean_ctor_get_uint8(x_25, sizeof(void*)*8 + 1);
-x_42 = lean_ctor_get(x_25, 4);
-x_43 = lean_ctor_get(x_25, 5);
-x_44 = lean_ctor_get(x_25, 6);
-x_45 = lean_ctor_get(x_25, 7);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_37 = lean_ctor_get(x_26, 0);
+x_38 = lean_ctor_get(x_26, 1);
+x_39 = lean_ctor_get(x_26, 2);
+x_40 = lean_ctor_get(x_26, 3);
+x_41 = lean_ctor_get(x_26, 4);
+x_42 = lean_ctor_get(x_26, 5);
+x_43 = lean_ctor_get(x_26, 6);
+x_44 = lean_ctor_get(x_26, 7);
+x_45 = lean_ctor_get(x_26, 8);
 lean_inc(x_45);
 lean_inc(x_44);
 lean_inc(x_43);
 lean_inc(x_42);
+lean_inc(x_41);
 lean_inc(x_40);
 lean_inc(x_39);
 lean_inc(x_38);
 lean_inc(x_37);
-lean_dec(x_25);
+lean_dec(x_26);
 x_46 = 0;
-x_47 = lean_alloc_ctor(0, 8, 3);
+x_47 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_47, 0, x_37);
 lean_ctor_set(x_47, 1, x_38);
 lean_ctor_set(x_47, 2, x_39);
 lean_ctor_set(x_47, 3, x_40);
-lean_ctor_set(x_47, 4, x_42);
-lean_ctor_set(x_47, 5, x_43);
-lean_ctor_set(x_47, 6, x_44);
-lean_ctor_set(x_47, 7, x_45);
-lean_ctor_set_uint8(x_47, sizeof(void*)*8, x_36);
-lean_ctor_set_uint8(x_47, sizeof(void*)*8 + 1, x_41);
-lean_ctor_set_uint8(x_47, sizeof(void*)*8 + 2, x_46);
-x_48 = lean_st_ref_set(x_4, x_47, x_26);
+lean_ctor_set(x_47, 4, x_41);
+lean_ctor_set(x_47, 5, x_42);
+lean_ctor_set(x_47, 6, x_43);
+lean_ctor_set(x_47, 7, x_44);
+lean_ctor_set(x_47, 8, x_45);
+lean_ctor_set_uint8(x_47, sizeof(void*)*9, x_46);
+x_48 = lean_st_ref_set(x_5, x_47, x_27);
 x_49 = lean_ctor_get(x_48, 1);
 lean_inc(x_49);
 if (lean_is_exclusive(x_48)) {
@@ -6217,20 +6359,20 @@ return x_52;
 else
 {
 uint8_t x_53; 
-lean_dec(x_10);
-x_53 = !lean_is_exclusive(x_12);
+lean_dec(x_11);
+x_53 = !lean_is_exclusive(x_13);
 if (x_53 == 0)
 {
-return x_12;
+return x_13;
 }
 else
 {
 lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_12, 0);
-x_55 = lean_ctor_get(x_12, 1);
+x_54 = lean_ctor_get(x_13, 0);
+x_55 = lean_ctor_get(x_13, 1);
 lean_inc(x_55);
 lean_inc(x_54);
-lean_dec(x_12);
+lean_dec(x_13);
 x_56 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
@@ -6256,21 +6398,22 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
 _start:
 {
-uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+uint8_t x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
 lean_dec(x_5);
-x_14 = lean_ctor_get_uint8(x_1, sizeof(void*)*8);
-x_15 = lean_ctor_get(x_1, 3);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_1, 1);
+x_15 = lean_ctor_get_uint8(x_6, 1);
+x_16 = lean_ctor_get(x_1, 3);
 lean_inc(x_16);
+x_17 = lean_ctor_get(x_1, 1);
+lean_inc(x_17);
 lean_dec(x_1);
-x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody(x_14, x_2, x_15, x_16);
-if (lean_obj_tag(x_17) == 0)
+x_18 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody(x_15, x_2, x_16, x_17);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_18; lean_object* x_19; 
+lean_object* x_19; lean_object* x_20; 
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -6280,23 +6423,24 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_18 = lean_box(0);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_13);
-return x_19;
+x_19 = lean_box(0);
+x_20 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_20, 0, x_19);
+lean_ctor_set(x_20, 1, x_14);
+return x_20;
 }
 else
 {
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_17, 0);
-lean_inc(x_20);
-lean_dec(x_17);
-x_21 = l_Lean_Expr_hasLooseBVars(x_20);
-if (x_21 == 0)
+lean_object* x_21; uint8_t x_22; 
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = l_Lean_Expr_hasLooseBVars(x_21);
+if (x_22 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
+lean_object* x_23; lean_object* x_24; 
+x_23 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___closed__1;
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
@@ -6304,114 +6448,117 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_20);
-x_23 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_20, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_23) == 0)
+lean_inc(x_21);
+x_24 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_21, x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_unbox(x_24);
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_unbox(x_25);
+lean_dec(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_27 = lean_ctor_get(x_24, 1);
+lean_inc(x_27);
 lean_dec(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_44 = lean_st_ref_get(x_12, x_26);
-x_45 = lean_ctor_get(x_44, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_45, 3);
+x_45 = lean_st_ref_get(x_13, x_27);
+x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
-lean_dec(x_45);
-x_47 = lean_ctor_get_uint8(x_46, sizeof(void*)*1);
+x_47 = lean_ctor_get(x_46, 3);
+lean_inc(x_47);
 lean_dec(x_46);
-if (x_47 == 0)
+x_48 = lean_ctor_get_uint8(x_47, sizeof(void*)*1);
+lean_dec(x_47);
+if (x_48 == 0)
 {
-lean_object* x_48; uint8_t x_49; 
-x_48 = lean_ctor_get(x_44, 1);
-lean_inc(x_48);
-lean_dec(x_44);
-x_49 = 0;
-x_27 = x_49;
-x_28 = x_48;
-goto block_43;
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_45, 1);
+lean_inc(x_49);
+lean_dec(x_45);
+x_50 = 0;
+x_28 = x_50;
+x_29 = x_49;
+goto block_44;
 }
 else
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
-x_50 = lean_ctor_get(x_44, 1);
-lean_inc(x_50);
-lean_dec(x_44);
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_51 = lean_ctor_get(x_45, 1);
+lean_inc(x_51);
+lean_dec(x_45);
 lean_inc(x_4);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_50);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_51, 1);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_51);
+x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
-lean_dec(x_51);
-x_54 = lean_unbox(x_52);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
 lean_dec(x_52);
-x_27 = x_54;
-x_28 = x_53;
-goto block_43;
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+x_28 = x_55;
+x_29 = x_54;
+goto block_44;
 }
-block_43:
+block_44:
 {
-if (x_27 == 0)
+if (x_28 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
+lean_object* x_30; lean_object* x_31; 
 lean_dec(x_4);
-x_29 = lean_box(0);
-x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_3, x_20, x_29, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_28);
+x_30 = lean_box(0);
+x_31 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_3, x_21, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-return x_30;
+return x_31;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
 lean_inc(x_3);
-x_31 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_31, 0, x_3);
-x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-x_34 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2___closed__2;
-x_35 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
-lean_inc(x_20);
-x_36 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_36, 0, x_20);
-x_37 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
+x_32 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_32, 0, x_3);
+x_33 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_32);
+x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2___closed__2;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+lean_inc(x_21);
+x_37 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_37, 0, x_21);
 x_38 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_38, 0, x_37);
-lean_ctor_set(x_38, 1, x_32);
-x_39 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_4, x_38, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_28);
-x_40 = lean_ctor_get(x_39, 0);
-lean_inc(x_40);
-x_41 = lean_ctor_get(x_39, 1);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_33);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
+x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
-lean_dec(x_39);
-x_42 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_3, x_20, x_40, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_41);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
 lean_dec(x_40);
-return x_42;
+x_43 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_3, x_21, x_41, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_42);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_41);
+return x_43;
 }
 }
 }
 else
 {
-uint8_t x_55; 
-lean_dec(x_20);
+uint8_t x_56; 
+lean_dec(x_21);
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -6421,34 +6568,35 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_55 = !lean_is_exclusive(x_23);
-if (x_55 == 0)
+x_56 = !lean_is_exclusive(x_24);
+if (x_56 == 0)
 {
-lean_object* x_56; lean_object* x_57; 
-x_56 = lean_ctor_get(x_23, 0);
-lean_dec(x_56);
-x_57 = lean_box(0);
-lean_ctor_set(x_23, 0, x_57);
-return x_23;
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_24, 0);
+lean_dec(x_57);
+x_58 = lean_box(0);
+lean_ctor_set(x_24, 0, x_58);
+return x_24;
 }
 else
 {
-lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_23, 1);
-lean_inc(x_58);
-lean_dec(x_23);
-x_59 = lean_box(0);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_58);
-return x_60;
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_24, 1);
+lean_inc(x_59);
+lean_dec(x_24);
+x_60 = lean_box(0);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+return x_61;
 }
 }
 }
 else
 {
-uint8_t x_61; 
-lean_dec(x_20);
+uint8_t x_62; 
+lean_dec(x_21);
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -6458,30 +6606,31 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_61 = !lean_is_exclusive(x_23);
-if (x_61 == 0)
+x_62 = !lean_is_exclusive(x_24);
+if (x_62 == 0)
 {
-return x_23;
+return x_24;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_23, 0);
-x_63 = lean_ctor_get(x_23, 1);
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_24, 0);
+x_64 = lean_ctor_get(x_24, 1);
+lean_inc(x_64);
 lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_23);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+lean_dec(x_24);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
 }
 }
 }
 else
 {
-lean_object* x_65; lean_object* x_66; 
-lean_dec(x_20);
+lean_object* x_66; lean_object* x_67; 
+lean_dec(x_21);
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -6491,11 +6640,11 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_65 = lean_box(0);
-x_66 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_66, 0, x_65);
-lean_ctor_set(x_66, 1, x_13);
-return x_66;
+x_66 = lean_box(0);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_14);
+return x_67;
 }
 }
 }
@@ -6605,14 +6754,15 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_10; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor(x_1);
-if (x_10 == 0)
+uint8_t x_11; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor(x_1);
+if (x_11 == 0)
 {
-lean_object* x_11; lean_object* x_12; 
+lean_object* x_12; lean_object* x_13; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6620,34 +6770,35 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_11 = lean_box(0);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_9);
-return x_12;
+x_12 = lean_box(0);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_10);
+return x_13;
 }
 else
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_13 = lean_st_ref_get(x_8, x_9);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_st_ref_get(x_2, x_14);
-x_16 = !lean_is_exclusive(x_15);
-if (x_16 == 0)
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_14 = lean_st_ref_get(x_9, x_10);
+x_15 = lean_ctor_get(x_14, 1);
+lean_inc(x_15);
+lean_dec(x_14);
+x_16 = lean_st_ref_get(x_3, x_15);
+x_17 = !lean_is_exclusive(x_16);
+if (x_17 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
-x_17 = lean_ctor_get(x_15, 0);
-x_18 = lean_ctor_get(x_15, 1);
-x_19 = lean_ctor_get(x_17, 5);
-lean_inc(x_19);
-x_20 = l_Array_isEmpty___rarg(x_19);
-if (x_20 == 0)
+lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
+x_18 = lean_ctor_get(x_16, 0);
+x_19 = lean_ctor_get(x_16, 1);
+x_20 = lean_ctor_get(x_18, 5);
+lean_inc(x_20);
+x_21 = l_Array_isEmpty___rarg(x_20);
+if (x_21 == 0)
 {
-lean_object* x_21; 
-lean_dec(x_19);
-lean_dec(x_17);
+lean_object* x_22; 
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6655,40 +6806,42 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_21 = lean_box(0);
-lean_ctor_set(x_15, 0, x_21);
-return x_15;
+x_22 = lean_box(0);
+lean_ctor_set(x_16, 0, x_22);
+return x_16;
 }
 else
 {
-uint8_t x_22; 
-x_22 = lean_ctor_get_uint8(x_17, sizeof(void*)*8 + 2);
-if (x_22 == 0)
-{
-lean_object* x_23; 
-lean_dec(x_19);
-lean_dec(x_17);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-x_23 = lean_box(0);
-lean_ctor_set(x_15, 0, x_23);
-return x_15;
-}
-else
+uint8_t x_23; 
+x_23 = lean_ctor_get_uint8(x_18, sizeof(void*)*9);
+if (x_23 == 0)
 {
 lean_object* x_24; 
-x_24 = lean_ctor_get(x_17, 4);
-lean_inc(x_24);
-if (lean_obj_tag(x_24) == 0)
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_24 = lean_box(0);
+lean_ctor_set(x_16, 0, x_24);
+return x_16;
+}
+else
 {
 lean_object* x_25; 
-lean_dec(x_19);
-lean_dec(x_17);
+x_25 = lean_ctor_get(x_18, 4);
+lean_inc(x_25);
+if (lean_obj_tag(x_25) == 0)
+{
+lean_object* x_26; 
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6696,217 +6849,217 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_25 = lean_box(0);
-lean_ctor_set(x_15, 0, x_25);
-return x_15;
+x_26 = lean_box(0);
+lean_ctor_set(x_16, 0, x_26);
+return x_16;
 }
 else
 {
-lean_object* x_26; uint8_t x_27; 
-lean_free_object(x_15);
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-lean_dec(x_24);
-x_27 = l_Lean_Expr_isProp(x_26);
-if (x_27 == 0)
+lean_object* x_27; uint8_t x_28; 
+lean_free_object(x_16);
+x_27 = lean_ctor_get(x_25, 0);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_isProp(x_27);
+if (x_28 == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; 
-x_28 = lean_ctor_get(x_17, 2);
-lean_inc(x_28);
-x_29 = lean_unsigned_to_nat(0u);
-x_30 = l_List_lengthTRAux___rarg(x_28, x_29);
-lean_dec(x_28);
-x_31 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__6;
-x_60 = lean_st_ref_get(x_8, x_18);
-x_61 = lean_ctor_get(x_60, 0);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_61, 3);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; 
+x_29 = lean_ctor_get(x_18, 2);
+lean_inc(x_29);
+x_30 = lean_unsigned_to_nat(0u);
+x_31 = l_List_lengthTRAux___rarg(x_29, x_30);
+lean_dec(x_29);
+x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__6;
+x_61 = lean_st_ref_get(x_9, x_19);
+x_62 = lean_ctor_get(x_61, 0);
 lean_inc(x_62);
-lean_dec(x_61);
-x_63 = lean_ctor_get_uint8(x_62, sizeof(void*)*1);
+x_63 = lean_ctor_get(x_62, 3);
+lean_inc(x_63);
 lean_dec(x_62);
-if (x_63 == 0)
+x_64 = lean_ctor_get_uint8(x_63, sizeof(void*)*1);
+lean_dec(x_63);
+if (x_64 == 0)
 {
-lean_object* x_64; uint8_t x_65; 
-x_64 = lean_ctor_get(x_60, 1);
-lean_inc(x_64);
-lean_dec(x_60);
-x_65 = 0;
-x_32 = x_65;
-x_33 = x_64;
-goto block_59;
+lean_object* x_65; uint8_t x_66; 
+x_65 = lean_ctor_get(x_61, 1);
+lean_inc(x_65);
+lean_dec(x_61);
+x_66 = 0;
+x_33 = x_66;
+x_34 = x_65;
+goto block_60;
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_66 = lean_ctor_get(x_60, 1);
-lean_inc(x_66);
-lean_dec(x_60);
-x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_31, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_66);
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_67, 1);
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; uint8_t x_71; 
+x_67 = lean_ctor_get(x_61, 1);
+lean_inc(x_67);
+lean_dec(x_61);
+x_68 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_32, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_67);
+x_69 = lean_ctor_get(x_68, 0);
 lean_inc(x_69);
-lean_dec(x_67);
-x_70 = lean_unbox(x_68);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
 lean_dec(x_68);
-x_32 = x_70;
-x_33 = x_69;
-goto block_59;
+x_71 = lean_unbox(x_69);
+lean_dec(x_69);
+x_33 = x_71;
+x_34 = x_70;
+goto block_60;
 }
-block_59:
+block_60:
 {
-if (x_32 == 0)
+if (x_33 == 0)
 {
-lean_object* x_34; lean_object* x_35; 
-lean_dec(x_19);
-x_34 = lean_box(0);
-x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_17, x_30, x_26, x_31, x_34, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_33);
-return x_35;
+lean_object* x_35; lean_object* x_36; 
+lean_dec(x_20);
+x_35 = lean_box(0);
+x_36 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_18, x_31, x_27, x_32, x_35, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_34);
+return x_36;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_36 = lean_array_get_size(x_19);
-lean_dec(x_19);
-x_37 = l_Nat_repr(x_36);
-x_38 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_38, 0, x_37);
-x_39 = lean_alloc_ctor(0, 1, 0);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_37 = lean_array_get_size(x_20);
+lean_dec(x_20);
+x_38 = l_Nat_repr(x_37);
+x_39 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_39, 0, x_38);
-x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__8;
-x_41 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_39);
-x_42 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__10;
-x_43 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_43, 0, x_41);
-lean_ctor_set(x_43, 1, x_42);
-lean_inc(x_30);
-x_44 = l_Nat_repr(x_30);
-x_45 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_45, 0, x_44);
-x_46 = lean_alloc_ctor(0, 1, 0);
+x_40 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_40, 0, x_39);
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__8;
+x_42 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_40);
+x_43 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__10;
+x_44 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_44, 0, x_42);
+lean_ctor_set(x_44, 1, x_43);
+lean_inc(x_31);
+x_45 = l_Nat_repr(x_31);
+x_46 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_46, 0, x_45);
-x_47 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_47, 0, x_43);
-lean_ctor_set(x_47, 1, x_46);
-x_48 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__12;
-x_49 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-x_50 = lean_ctor_get(x_17, 1);
-lean_inc(x_50);
-x_51 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_51, 0, x_50);
-x_52 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_52, 0, x_49);
-lean_ctor_set(x_52, 1, x_51);
-x_53 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_54 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-x_55 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_31, x_54, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_33);
-x_56 = lean_ctor_get(x_55, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 1);
+x_47 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_47, 0, x_46);
+x_48 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_48, 0, x_44);
+lean_ctor_set(x_48, 1, x_47);
+x_49 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__12;
+x_50 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+x_51 = lean_ctor_get(x_18, 1);
+lean_inc(x_51);
+x_52 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_52, 0, x_51);
+x_53 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_53, 0, x_50);
+lean_ctor_set(x_53, 1, x_52);
+x_54 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
+x_56 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_32, x_55, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_34);
+x_57 = lean_ctor_get(x_56, 0);
 lean_inc(x_57);
-lean_dec(x_55);
-x_58 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_17, x_30, x_26, x_31, x_56, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_57);
-return x_58;
+x_58 = lean_ctor_get(x_56, 1);
+lean_inc(x_58);
+lean_dec(x_56);
+x_59 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_18, x_31, x_27, x_32, x_57, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_58);
+return x_59;
 }
 }
 }
 else
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; uint8_t x_76; 
-lean_dec(x_26);
-lean_dec(x_19);
-lean_dec(x_17);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; uint8_t x_77; 
+lean_dec(x_27);
+lean_dec(x_20);
+lean_dec(x_18);
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
-x_71 = lean_st_ref_get(x_8, x_18);
-lean_dec(x_8);
-x_72 = lean_ctor_get(x_71, 1);
-lean_inc(x_72);
-lean_dec(x_71);
-x_73 = lean_st_ref_take(x_2, x_72);
-x_74 = lean_ctor_get(x_73, 0);
-lean_inc(x_74);
-x_75 = lean_ctor_get(x_73, 1);
-lean_inc(x_75);
-lean_dec(x_73);
-x_76 = !lean_is_exclusive(x_74);
-if (x_76 == 0)
-{
-uint8_t x_77; lean_object* x_78; uint8_t x_79; 
-x_77 = 0;
-lean_ctor_set_uint8(x_74, sizeof(void*)*8 + 2, x_77);
-x_78 = lean_st_ref_set(x_2, x_74, x_75);
 lean_dec(x_2);
-x_79 = !lean_is_exclusive(x_78);
-if (x_79 == 0)
+x_72 = lean_st_ref_get(x_9, x_19);
+lean_dec(x_9);
+x_73 = lean_ctor_get(x_72, 1);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_st_ref_take(x_3, x_73);
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_ctor_get(x_74, 1);
+lean_inc(x_76);
+lean_dec(x_74);
+x_77 = !lean_is_exclusive(x_75);
+if (x_77 == 0)
 {
-lean_object* x_80; lean_object* x_81; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_dec(x_80);
-x_81 = lean_box(0);
-lean_ctor_set(x_78, 0, x_81);
-return x_78;
+uint8_t x_78; lean_object* x_79; uint8_t x_80; 
+x_78 = 0;
+lean_ctor_set_uint8(x_75, sizeof(void*)*9, x_78);
+x_79 = lean_st_ref_set(x_3, x_75, x_76);
+lean_dec(x_3);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+x_82 = lean_box(0);
+lean_ctor_set(x_79, 0, x_82);
+return x_79;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_78, 1);
-lean_inc(x_82);
-lean_dec(x_78);
-x_83 = lean_box(0);
-x_84 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_82);
-return x_84;
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_79, 1);
+lean_inc(x_83);
+lean_dec(x_79);
+x_84 = lean_box(0);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
 }
 }
 else
 {
-uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
-x_85 = lean_ctor_get_uint8(x_74, sizeof(void*)*8);
-x_86 = lean_ctor_get(x_74, 0);
-x_87 = lean_ctor_get(x_74, 1);
-x_88 = lean_ctor_get(x_74, 2);
-x_89 = lean_ctor_get(x_74, 3);
-x_90 = lean_ctor_get_uint8(x_74, sizeof(void*)*8 + 1);
-x_91 = lean_ctor_get(x_74, 4);
-x_92 = lean_ctor_get(x_74, 5);
-x_93 = lean_ctor_get(x_74, 6);
-x_94 = lean_ctor_get(x_74, 7);
+lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; uint8_t x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_86 = lean_ctor_get(x_75, 0);
+x_87 = lean_ctor_get(x_75, 1);
+x_88 = lean_ctor_get(x_75, 2);
+x_89 = lean_ctor_get(x_75, 3);
+x_90 = lean_ctor_get(x_75, 4);
+x_91 = lean_ctor_get(x_75, 5);
+x_92 = lean_ctor_get(x_75, 6);
+x_93 = lean_ctor_get(x_75, 7);
+x_94 = lean_ctor_get(x_75, 8);
 lean_inc(x_94);
 lean_inc(x_93);
 lean_inc(x_92);
 lean_inc(x_91);
+lean_inc(x_90);
 lean_inc(x_89);
 lean_inc(x_88);
 lean_inc(x_87);
 lean_inc(x_86);
-lean_dec(x_74);
+lean_dec(x_75);
 x_95 = 0;
-x_96 = lean_alloc_ctor(0, 8, 3);
+x_96 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_96, 0, x_86);
 lean_ctor_set(x_96, 1, x_87);
 lean_ctor_set(x_96, 2, x_88);
 lean_ctor_set(x_96, 3, x_89);
-lean_ctor_set(x_96, 4, x_91);
-lean_ctor_set(x_96, 5, x_92);
-lean_ctor_set(x_96, 6, x_93);
-lean_ctor_set(x_96, 7, x_94);
-lean_ctor_set_uint8(x_96, sizeof(void*)*8, x_85);
-lean_ctor_set_uint8(x_96, sizeof(void*)*8 + 1, x_90);
-lean_ctor_set_uint8(x_96, sizeof(void*)*8 + 2, x_95);
-x_97 = lean_st_ref_set(x_2, x_96, x_75);
-lean_dec(x_2);
+lean_ctor_set(x_96, 4, x_90);
+lean_ctor_set(x_96, 5, x_91);
+lean_ctor_set(x_96, 6, x_92);
+lean_ctor_set(x_96, 7, x_93);
+lean_ctor_set(x_96, 8, x_94);
+lean_ctor_set_uint8(x_96, sizeof(void*)*9, x_95);
+x_97 = lean_st_ref_set(x_3, x_96, x_76);
+lean_dec(x_3);
 x_98 = lean_ctor_get(x_97, 1);
 lean_inc(x_98);
 if (lean_is_exclusive(x_97)) {
@@ -6935,11 +7088,11 @@ return x_101;
 else
 {
 lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
-x_102 = lean_ctor_get(x_15, 0);
-x_103 = lean_ctor_get(x_15, 1);
+x_102 = lean_ctor_get(x_16, 0);
+x_103 = lean_ctor_get(x_16, 1);
 lean_inc(x_103);
 lean_inc(x_102);
-lean_dec(x_15);
+lean_dec(x_16);
 x_104 = lean_ctor_get(x_102, 5);
 lean_inc(x_104);
 x_105 = l_Array_isEmpty___rarg(x_104);
@@ -6948,6 +7101,7 @@ if (x_105 == 0)
 lean_object* x_106; lean_object* x_107; 
 lean_dec(x_104);
 lean_dec(x_102);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6964,12 +7118,13 @@ return x_107;
 else
 {
 uint8_t x_108; 
-x_108 = lean_ctor_get_uint8(x_102, sizeof(void*)*8 + 2);
+x_108 = lean_ctor_get_uint8(x_102, sizeof(void*)*9);
 if (x_108 == 0)
 {
 lean_object* x_109; lean_object* x_110; 
 lean_dec(x_104);
 lean_dec(x_102);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6993,6 +7148,7 @@ if (lean_obj_tag(x_111) == 0)
 lean_object* x_112; lean_object* x_113; 
 lean_dec(x_104);
 lean_dec(x_102);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -7022,7 +7178,7 @@ x_117 = lean_unsigned_to_nat(0u);
 x_118 = l_List_lengthTRAux___rarg(x_116, x_117);
 lean_dec(x_116);
 x_119 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___closed__6;
-x_148 = lean_st_ref_get(x_8, x_103);
+x_148 = lean_st_ref_get(x_9, x_103);
 x_149 = lean_ctor_get(x_148, 0);
 lean_inc(x_149);
 x_150 = lean_ctor_get(x_149, 3);
@@ -7047,7 +7203,7 @@ lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157;
 x_154 = lean_ctor_get(x_148, 1);
 lean_inc(x_154);
 lean_dec(x_148);
-x_155 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_119, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_154);
+x_155 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_119, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_154);
 x_156 = lean_ctor_get(x_155, 0);
 lean_inc(x_156);
 x_157 = lean_ctor_get(x_155, 1);
@@ -7066,7 +7222,7 @@ if (x_120 == 0)
 lean_object* x_122; lean_object* x_123; 
 lean_dec(x_104);
 x_122 = lean_box(0);
-x_123 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_102, x_118, x_114, x_119, x_122, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_121);
+x_123 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_102, x_118, x_114, x_119, x_122, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_121);
 return x_123;
 }
 else
@@ -7111,57 +7267,58 @@ x_141 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
 x_142 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_142, 0, x_140);
 lean_ctor_set(x_142, 1, x_141);
-x_143 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_119, x_142, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_121);
+x_143 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_119, x_142, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_121);
 x_144 = lean_ctor_get(x_143, 0);
 lean_inc(x_144);
 x_145 = lean_ctor_get(x_143, 1);
 lean_inc(x_145);
 lean_dec(x_143);
-x_146 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_102, x_118, x_114, x_119, x_144, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_145);
+x_146 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__2(x_102, x_118, x_114, x_119, x_144, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_145);
 return x_146;
 }
 }
 }
 else
 {
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; uint8_t x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; uint8_t x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; uint8_t x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; uint8_t x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
 lean_dec(x_114);
 lean_dec(x_104);
 lean_dec(x_102);
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
-x_159 = lean_st_ref_get(x_8, x_103);
-lean_dec(x_8);
+lean_dec(x_2);
+x_159 = lean_st_ref_get(x_9, x_103);
+lean_dec(x_9);
 x_160 = lean_ctor_get(x_159, 1);
 lean_inc(x_160);
 lean_dec(x_159);
-x_161 = lean_st_ref_take(x_2, x_160);
+x_161 = lean_st_ref_take(x_3, x_160);
 x_162 = lean_ctor_get(x_161, 0);
 lean_inc(x_162);
 x_163 = lean_ctor_get(x_161, 1);
 lean_inc(x_163);
 lean_dec(x_161);
-x_164 = lean_ctor_get_uint8(x_162, sizeof(void*)*8);
-x_165 = lean_ctor_get(x_162, 0);
+x_164 = lean_ctor_get(x_162, 0);
+lean_inc(x_164);
+x_165 = lean_ctor_get(x_162, 1);
 lean_inc(x_165);
-x_166 = lean_ctor_get(x_162, 1);
+x_166 = lean_ctor_get(x_162, 2);
 lean_inc(x_166);
-x_167 = lean_ctor_get(x_162, 2);
+x_167 = lean_ctor_get(x_162, 3);
 lean_inc(x_167);
-x_168 = lean_ctor_get(x_162, 3);
+x_168 = lean_ctor_get(x_162, 4);
 lean_inc(x_168);
-x_169 = lean_ctor_get_uint8(x_162, sizeof(void*)*8 + 1);
-x_170 = lean_ctor_get(x_162, 4);
+x_169 = lean_ctor_get(x_162, 5);
+lean_inc(x_169);
+x_170 = lean_ctor_get(x_162, 6);
 lean_inc(x_170);
-x_171 = lean_ctor_get(x_162, 5);
+x_171 = lean_ctor_get(x_162, 7);
 lean_inc(x_171);
-x_172 = lean_ctor_get(x_162, 6);
+x_172 = lean_ctor_get(x_162, 8);
 lean_inc(x_172);
-x_173 = lean_ctor_get(x_162, 7);
-lean_inc(x_173);
 if (lean_is_exclusive(x_162)) {
  lean_ctor_release(x_162, 0);
  lean_ctor_release(x_162, 1);
@@ -7171,92 +7328,66 @@ if (lean_is_exclusive(x_162)) {
  lean_ctor_release(x_162, 5);
  lean_ctor_release(x_162, 6);
  lean_ctor_release(x_162, 7);
- x_174 = x_162;
+ lean_ctor_release(x_162, 8);
+ x_173 = x_162;
 } else {
  lean_dec_ref(x_162);
- x_174 = lean_box(0);
+ x_173 = lean_box(0);
 }
-x_175 = 0;
-if (lean_is_scalar(x_174)) {
- x_176 = lean_alloc_ctor(0, 8, 3);
+x_174 = 0;
+if (lean_is_scalar(x_173)) {
+ x_175 = lean_alloc_ctor(0, 9, 1);
 } else {
- x_176 = x_174;
+ x_175 = x_173;
 }
-lean_ctor_set(x_176, 0, x_165);
-lean_ctor_set(x_176, 1, x_166);
-lean_ctor_set(x_176, 2, x_167);
-lean_ctor_set(x_176, 3, x_168);
-lean_ctor_set(x_176, 4, x_170);
-lean_ctor_set(x_176, 5, x_171);
-lean_ctor_set(x_176, 6, x_172);
-lean_ctor_set(x_176, 7, x_173);
-lean_ctor_set_uint8(x_176, sizeof(void*)*8, x_164);
-lean_ctor_set_uint8(x_176, sizeof(void*)*8 + 1, x_169);
-lean_ctor_set_uint8(x_176, sizeof(void*)*8 + 2, x_175);
-x_177 = lean_st_ref_set(x_2, x_176, x_163);
-lean_dec(x_2);
-x_178 = lean_ctor_get(x_177, 1);
-lean_inc(x_178);
-if (lean_is_exclusive(x_177)) {
- lean_ctor_release(x_177, 0);
- lean_ctor_release(x_177, 1);
- x_179 = x_177;
-} else {
- lean_dec_ref(x_177);
- x_179 = lean_box(0);
-}
-x_180 = lean_box(0);
-if (lean_is_scalar(x_179)) {
- x_181 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_181 = x_179;
-}
-lean_ctor_set(x_181, 0, x_180);
-lean_ctor_set(x_181, 1, x_178);
-return x_181;
-}
-}
-}
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
+lean_ctor_set(x_175, 0, x_164);
+lean_ctor_set(x_175, 1, x_165);
+lean_ctor_set(x_175, 2, x_166);
+lean_ctor_set(x_175, 3, x_167);
+lean_ctor_set(x_175, 4, x_168);
+lean_ctor_set(x_175, 5, x_169);
+lean_ctor_set(x_175, 6, x_170);
+lean_ctor_set(x_175, 7, x_171);
+lean_ctor_set(x_175, 8, x_172);
+lean_ctor_set_uint8(x_175, sizeof(void*)*9, x_174);
+x_176 = lean_st_ref_set(x_3, x_175, x_163);
 lean_dec(x_3);
-return x_11;
+x_177 = lean_ctor_get(x_176, 1);
+lean_inc(x_177);
+if (lean_is_exclusive(x_176)) {
+ lean_ctor_release(x_176, 0);
+ lean_ctor_release(x_176, 1);
+ x_178 = x_176;
+} else {
+ lean_dec_ref(x_176);
+ x_178 = lean_box(0);
+}
+x_179 = lean_box(0);
+if (lean_is_scalar(x_178)) {
+ x_180 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_180 = x_178;
+}
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_177);
+return x_180;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_10;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 lean_object* x_12; 
-x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+x_12 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
@@ -7264,143 +7395,423 @@ lean_dec(x_3);
 return x_12;
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_15; 
-x_15 = lean_usize_dec_lt(x_5, x_4);
-if (x_15 == 0)
+lean_object* x_11; 
+x_11 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+_start:
 {
-lean_object* x_16; 
+lean_object* x_13; 
+x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; 
+x_16 = lean_usize_dec_lt(x_5, x_4);
+if (x_16 == 0)
+{
+lean_object* x_17; 
 lean_dec(x_2);
 lean_dec(x_1);
-x_16 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_16, 0, x_6);
-lean_ctor_set(x_16, 1, x_14);
-return x_16;
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_6);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; size_t x_20; size_t x_21; lean_object* x_22; 
+lean_object* x_18; lean_object* x_19; lean_object* x_20; size_t x_21; size_t x_22; lean_object* x_23; 
 lean_dec(x_6);
-x_17 = lean_array_uget(x_3, x_5);
+x_18 = lean_array_uget(x_3, x_5);
 lean_inc(x_1);
 lean_inc(x_2);
-x_18 = l_Lean_Elab_Term_registerMVarErrorImplicitArgInfo(x_17, x_2, x_1, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = 1;
-x_21 = lean_usize_add(x_5, x_20);
-x_22 = lean_box(0);
-x_5 = x_21;
-x_6 = x_22;
-x_14 = x_19;
+x_19 = l_Lean_Elab_Term_registerMVarErrorImplicitArgInfo(x_18, x_2, x_1, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_20 = lean_ctor_get(x_19, 1);
+lean_inc(x_20);
+lean_dec(x_19);
+x_21 = 1;
+x_22 = lean_usize_add(x_5, x_21);
+x_23 = lean_box(0);
+x_5 = x_22;
+x_6 = x_23;
+x_15 = x_20;
 goto _start;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_11; 
-x_11 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
-if (lean_obj_tag(x_11) == 0)
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
+x_5 = lean_st_ref_get(x_3, x_4);
+x_6 = lean_ctor_get(x_5, 1);
+lean_inc(x_6);
+lean_dec(x_5);
+x_7 = lean_st_ref_take(x_1, x_6);
+x_8 = lean_ctor_get(x_7, 0);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_7, 1);
+lean_inc(x_10);
+lean_dec(x_7);
+x_11 = !lean_is_exclusive(x_8);
+if (x_11 == 0)
 {
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+lean_object* x_12; uint8_t x_13; 
+x_12 = lean_ctor_get(x_8, 0);
+lean_dec(x_12);
+x_13 = !lean_is_exclusive(x_9);
+if (x_13 == 0)
 {
-lean_object* x_13; 
-x_13 = lean_ctor_get(x_11, 0);
-lean_dec(x_13);
-lean_ctor_set(x_11, 0, x_1);
-return x_11;
-}
-else
-{
-lean_object* x_14; lean_object* x_15; 
-x_14 = lean_ctor_get(x_11, 1);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_1);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-}
-else
-{
-uint8_t x_16; 
-lean_dec(x_1);
-x_16 = !lean_is_exclusive(x_11);
+uint8_t x_14; lean_object* x_15; uint8_t x_16; 
+x_14 = 1;
+lean_ctor_set_uint8(x_9, sizeof(void*)*8, x_14);
+x_15 = lean_st_ref_set(x_1, x_8, x_10);
+x_16 = !lean_is_exclusive(x_15);
 if (x_16 == 0)
 {
-return x_11;
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_15, 0);
+lean_dec(x_17);
+x_18 = lean_box(0);
+lean_ctor_set(x_15, 0, x_18);
+return x_15;
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_11, 0);
-x_18 = lean_ctor_get(x_11, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_11);
-x_19 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_19, 0, x_17);
-lean_ctor_set(x_19, 1, x_18);
-return x_19;
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_15, 1);
+lean_inc(x_19);
+lean_dec(x_15);
+x_20 = lean_box(0);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_19);
+return x_21;
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_22 = lean_ctor_get(x_9, 0);
+x_23 = lean_ctor_get(x_9, 1);
+x_24 = lean_ctor_get(x_9, 2);
+x_25 = lean_ctor_get(x_9, 3);
+x_26 = lean_ctor_get(x_9, 4);
+x_27 = lean_ctor_get(x_9, 5);
+x_28 = lean_ctor_get(x_9, 6);
+x_29 = lean_ctor_get(x_9, 7);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_9);
+x_30 = 1;
+x_31 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_31, 0, x_22);
+lean_ctor_set(x_31, 1, x_23);
+lean_ctor_set(x_31, 2, x_24);
+lean_ctor_set(x_31, 3, x_25);
+lean_ctor_set(x_31, 4, x_26);
+lean_ctor_set(x_31, 5, x_27);
+lean_ctor_set(x_31, 6, x_28);
+lean_ctor_set(x_31, 7, x_29);
+lean_ctor_set_uint8(x_31, sizeof(void*)*8, x_30);
+lean_ctor_set(x_8, 0, x_31);
+x_32 = lean_st_ref_set(x_1, x_8, x_10);
+x_33 = lean_ctor_get(x_32, 1);
+lean_inc(x_33);
+if (lean_is_exclusive(x_32)) {
+ lean_ctor_release(x_32, 0);
+ lean_ctor_release(x_32, 1);
+ x_34 = x_32;
+} else {
+ lean_dec_ref(x_32);
+ x_34 = lean_box(0);
+}
+x_35 = lean_box(0);
+if (lean_is_scalar(x_34)) {
+ x_36 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_36 = x_34;
+}
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_36, 1, x_33);
+return x_36;
+}
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_37 = lean_ctor_get(x_8, 1);
+x_38 = lean_ctor_get(x_8, 2);
+x_39 = lean_ctor_get(x_8, 3);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_8);
+x_40 = lean_ctor_get(x_9, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_9, 1);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_9, 2);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_9, 3);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_9, 4);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_9, 5);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_9, 6);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_9, 7);
+lean_inc(x_47);
+if (lean_is_exclusive(x_9)) {
+ lean_ctor_release(x_9, 0);
+ lean_ctor_release(x_9, 1);
+ lean_ctor_release(x_9, 2);
+ lean_ctor_release(x_9, 3);
+ lean_ctor_release(x_9, 4);
+ lean_ctor_release(x_9, 5);
+ lean_ctor_release(x_9, 6);
+ lean_ctor_release(x_9, 7);
+ x_48 = x_9;
+} else {
+ lean_dec_ref(x_9);
+ x_48 = lean_box(0);
+}
+x_49 = 1;
+if (lean_is_scalar(x_48)) {
+ x_50 = lean_alloc_ctor(0, 8, 1);
+} else {
+ x_50 = x_48;
+}
+lean_ctor_set(x_50, 0, x_40);
+lean_ctor_set(x_50, 1, x_41);
+lean_ctor_set(x_50, 2, x_42);
+lean_ctor_set(x_50, 3, x_43);
+lean_ctor_set(x_50, 4, x_44);
+lean_ctor_set(x_50, 5, x_45);
+lean_ctor_set(x_50, 6, x_46);
+lean_ctor_set(x_50, 7, x_47);
+lean_ctor_set_uint8(x_50, sizeof(void*)*8, x_49);
+x_51 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_37);
+lean_ctor_set(x_51, 2, x_38);
+lean_ctor_set(x_51, 3, x_39);
+x_52 = lean_st_ref_set(x_1, x_51, x_10);
+x_53 = lean_ctor_get(x_52, 1);
+lean_inc(x_53);
+if (lean_is_exclusive(x_52)) {
+ lean_ctor_release(x_52, 0);
+ lean_ctor_release(x_52, 1);
+ x_54 = x_52;
+} else {
+ lean_dec_ref(x_52);
+ x_54 = lean_box(0);
+}
+x_55 = lean_box(0);
+if (lean_is_scalar(x_54)) {
+ x_56 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_56 = x_54;
+}
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_53);
+return x_56;
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
-lean_object* x_13; 
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-x_13 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_13) == 0)
+lean_object* x_6; 
+x_6 = lean_alloc_closure((void*)(l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed), 4, 0);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_11 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(x_7, x_8, x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_get(x_9, x_12);
 x_14 = lean_ctor_get(x_13, 1);
 lean_inc(x_14);
 lean_dec(x_13);
-x_15 = lean_box(0);
-x_16 = lean_apply_9(x_3, x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
+x_15 = lean_st_ref_get(x_7, x_14);
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; 
+x_17 = lean_ctor_get(x_15, 0);
+x_18 = lean_ctor_get(x_17, 0);
+lean_inc(x_18);
+lean_dec(x_17);
+x_19 = lean_ctor_get(x_18, 6);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = l_Std_PersistentHashMap_contains___at_Lean_isExprMVarAssigned___spec__1(x_19, x_1);
+x_21 = lean_box(x_20);
+lean_ctor_set(x_15, 0, x_21);
+return x_15;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; 
+x_22 = lean_ctor_get(x_15, 0);
+x_23 = lean_ctor_get(x_15, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_15);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_ctor_get(x_24, 6);
+lean_inc(x_25);
+lean_dec(x_24);
+x_26 = l_Std_PersistentHashMap_contains___at_Lean_isExprMVarAssigned___spec__1(x_25, x_1);
+x_27 = lean_box(x_26);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_23);
+return x_28;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = l_Lean_Elab_Term_ElabAppArgs_synthesizeAppInstMVars___rarg(x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+if (lean_obj_tag(x_12) == 0)
+{
+uint8_t x_13; 
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_dec(x_14);
+lean_ctor_set(x_12, 0, x_1);
+return x_12;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_12, 1);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_1);
+lean_ctor_set(x_16, 1, x_15);
 return x_16;
 }
+}
 else
 {
 uint8_t x_17; 
+lean_dec(x_1);
+x_17 = !lean_is_exclusive(x_12);
+if (x_17 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_12, 0);
+x_19 = lean_ctor_get(x_12, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_12);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+x_15 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_10, x_11, x_12, x_13, x_14);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_15, 1);
+lean_inc(x_16);
+lean_dec(x_15);
+x_17 = lean_box(0);
+x_18 = lean_apply_11(x_3, x_4, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_16);
+return x_18;
+}
+else
+{
+uint8_t x_19; 
+lean_dec(x_13);
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
-lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
-x_17 = !lean_is_exclusive(x_13);
-if (x_17 == 0)
+x_19 = !lean_is_exclusive(x_15);
+if (x_19 == 0)
 {
-return x_13;
+return x_15;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_13, 0);
-x_19 = lean_ctor_get(x_13, 1);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_13);
-x_20 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_20, 0, x_18);
-lean_ctor_set(x_20, 1, x_19);
-return x_20;
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_15, 0);
+x_21 = lean_ctor_get(x_15, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_15);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
 }
 }
 }
@@ -7422,103 +7833,139 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-lean_object* x_14; 
-lean_dec(x_5);
-x_14 = lean_ctor_get(x_2, 4);
-lean_inc(x_14);
-lean_dec(x_2);
-if (lean_obj_tag(x_14) == 0)
+if (x_6 == 0)
 {
-lean_object* x_15; lean_object* x_16; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_15 = lean_box(0);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(x_1, x_15, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-lean_dec(x_6);
-return x_16;
-}
-else
+uint8_t x_16; lean_object* x_17; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+x_30 = lean_st_ref_get(x_14, x_15);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_31, 3);
+lean_inc(x_32);
+lean_dec(x_31);
+x_33 = lean_ctor_get_uint8(x_32, sizeof(void*)*1);
+lean_dec(x_32);
+if (x_33 == 0)
 {
-lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_17 = lean_ctor_get(x_14, 0);
-lean_inc(x_17);
-lean_dec(x_14);
-x_18 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed), 10, 1);
-lean_closure_set(x_18, 0, x_1);
-x_33 = lean_st_ref_get(x_12, x_13);
-x_34 = lean_ctor_get(x_33, 0);
+lean_object* x_34; uint8_t x_35; 
+x_34 = lean_ctor_get(x_30, 1);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_34, 3);
-lean_inc(x_35);
-lean_dec(x_34);
-x_36 = lean_ctor_get_uint8(x_35, sizeof(void*)*1);
-lean_dec(x_35);
-if (x_36 == 0)
-{
-lean_object* x_37; uint8_t x_38; 
-x_37 = lean_ctor_get(x_33, 1);
-lean_inc(x_37);
-lean_dec(x_33);
-x_38 = 0;
-x_19 = x_38;
-x_20 = x_37;
-goto block_32;
+lean_dec(x_30);
+x_35 = 0;
+x_16 = x_35;
+x_17 = x_34;
+goto block_29;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-x_39 = lean_ctor_get(x_33, 1);
-lean_inc(x_39);
-lean_dec(x_33);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
+x_36 = lean_ctor_get(x_30, 1);
+lean_inc(x_36);
+lean_dec(x_30);
 lean_inc(x_4);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_39);
-x_41 = lean_ctor_get(x_40, 0);
-lean_inc(x_41);
-x_42 = lean_ctor_get(x_40, 1);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = lean_unbox(x_41);
-lean_dec(x_41);
-x_19 = x_43;
-x_20 = x_42;
-goto block_32;
+x_37 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_4, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_36);
+x_38 = lean_ctor_get(x_37, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_37, 1);
+lean_inc(x_39);
+lean_dec(x_37);
+x_40 = lean_unbox(x_38);
+lean_dec(x_38);
+x_16 = x_40;
+x_17 = x_39;
+goto block_29;
 }
-block_32:
+block_29:
 {
-if (x_19 == 0)
+if (x_16 == 0)
 {
-lean_object* x_21; lean_object* x_22; 
+lean_object* x_18; lean_object* x_19; 
 lean_dec(x_4);
-x_21 = lean_box(0);
-x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_17, x_3, x_18, x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
-return x_22;
+x_18 = lean_box(0);
+x_19 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_1, x_2, x_3, x_5, x_18, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
+return x_19;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
-lean_inc(x_17);
-x_23 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_23, 0, x_17);
-x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___closed__2;
-x_25 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_23);
-x_26 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_27 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_27, 0, x_25);
-lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_4, x_27, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
-x_29 = lean_ctor_get(x_28, 0);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_28, 1);
-lean_inc(x_30);
-lean_dec(x_28);
-x_31 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_17, x_3, x_18, x_29, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_30);
-lean_dec(x_29);
-return x_31;
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+lean_inc(x_1);
+x_20 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_20, 0, x_1);
+x_21 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___closed__2;
+x_22 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_20);
+x_23 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_24 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_24, 0, x_22);
+lean_ctor_set(x_24, 1, x_23);
+x_25 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_4, x_24, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_1, x_2, x_3, x_5, x_26, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_27);
+lean_dec(x_26);
+return x_28;
+}
+}
+}
+else
+{
+lean_object* x_41; lean_object* x_42; 
+lean_dec(x_4);
+x_41 = lean_box(0);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+x_42 = l_Lean_Elab_Term_mkCoe(x_1, x_2, x_5, x_41, x_41, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (lean_obj_tag(x_42) == 0)
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_43 = lean_ctor_get(x_42, 0);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
+lean_dec(x_42);
+x_45 = lean_box(0);
+x_46 = lean_apply_11(x_3, x_43, x_45, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_44);
+return x_46;
+}
+else
+{
+uint8_t x_47; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_3);
+x_47 = !lean_is_exclusive(x_42);
+if (x_47 == 0)
+{
+return x_42;
+}
+else
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_42, 0);
+x_49 = lean_ctor_get(x_42, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_42);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
 }
 }
 }
@@ -7528,20 +7975,135 @@ static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArg
 _start:
 {
 lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed), 11, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; lean_object* x_16; 
+lean_dec(x_5);
+x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__1;
+x_16 = lean_ctor_get(x_1, 4);
+lean_inc(x_16);
+if (lean_obj_tag(x_16) == 0)
+{
+lean_object* x_17; lean_object* x_18; 
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_17 = lean_box(0);
+x_18 = lean_apply_11(x_15, x_4, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_18;
+}
+else
+{
+lean_object* x_19; 
+x_19 = lean_ctor_get(x_1, 8);
+lean_inc(x_19);
+lean_dec(x_1);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; uint8_t x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_16, 0);
+lean_inc(x_20);
+lean_dec(x_16);
+x_21 = 0;
+x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_20, x_2, x_15, x_3, x_4, x_21, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_22;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_23 = lean_ctor_get(x_16, 0);
+lean_inc(x_23);
+lean_dec(x_16);
+x_24 = lean_ctor_get(x_19, 0);
+lean_inc(x_24);
+lean_dec(x_19);
+lean_inc(x_24);
+x_25 = l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_unbox(x_26);
+lean_dec(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; uint8_t x_29; 
+x_28 = lean_ctor_get(x_25, 1);
+lean_inc(x_28);
+lean_dec(x_25);
+x_29 = l_Lean_Expr_isMVar(x_2);
+if (x_29 == 0)
+{
+uint8_t x_30; lean_object* x_31; 
+lean_dec(x_24);
+x_30 = 0;
+x_31 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_23, x_2, x_15, x_3, x_4, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_28);
+return x_31;
+}
+else
+{
+lean_object* x_32; uint8_t x_33; 
+x_32 = l_Lean_Expr_mvarId_x21(x_2);
+x_33 = lean_name_eq(x_32, x_24);
+lean_dec(x_32);
+if (x_33 == 0)
+{
+uint8_t x_34; lean_object* x_35; 
+lean_dec(x_24);
+x_34 = 0;
+x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_23, x_2, x_15, x_3, x_4, x_34, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_28);
+return x_35;
+}
+else
+{
+uint8_t x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; lean_object* x_40; 
+x_36 = 2;
+x_37 = l_Lean_Meta_setMVarKind(x_24, x_36, x_10, x_11, x_12, x_13, x_28);
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+lean_dec(x_37);
+x_39 = 1;
+x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_23, x_2, x_15, x_3, x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_38);
+return x_40;
+}
+}
+}
+else
+{
+lean_object* x_41; uint8_t x_42; lean_object* x_43; 
+lean_dec(x_24);
+x_41 = lean_ctor_get(x_25, 1);
+lean_inc(x_41);
+lean_dec(x_25);
+x_42 = 0;
+x_43 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_23, x_2, x_15, x_3, x_4, x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_41);
+return x_43;
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1() {
+_start:
+{
+lean_object* x_1; 
 x_1 = lean_mk_string_from_bytes("after etaArgs, ", 15);
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2() {
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__1;
+x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3() {
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -7549,120 +8111,121 @@ x_1 = lean_mk_string_from_bytes(" : ", 3);
 return x_1;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4() {
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3;
+x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3;
 x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-lean_object* x_13; 
+lean_object* x_14; 
 lean_dec(x_4);
+lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_inc(x_9);
-lean_inc(x_8);
 lean_inc(x_3);
-x_13 = lean_infer_type(x_3, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_13) == 0)
+x_14 = lean_infer_type(x_3, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
+lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-lean_dec(x_13);
-x_34 = lean_st_ref_get(x_11, x_15);
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_35, 3);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_35 = lean_st_ref_get(x_12, x_16);
+x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
-lean_dec(x_35);
-x_37 = lean_ctor_get_uint8(x_36, sizeof(void*)*1);
+x_37 = lean_ctor_get(x_36, 3);
+lean_inc(x_37);
 lean_dec(x_36);
-if (x_37 == 0)
+x_38 = lean_ctor_get_uint8(x_37, sizeof(void*)*1);
+lean_dec(x_37);
+if (x_38 == 0)
 {
-lean_object* x_38; uint8_t x_39; 
-x_38 = lean_ctor_get(x_34, 1);
-lean_inc(x_38);
-lean_dec(x_34);
-x_39 = 0;
-x_16 = x_39;
-x_17 = x_38;
-goto block_33;
+lean_object* x_39; uint8_t x_40; 
+x_39 = lean_ctor_get(x_35, 1);
+lean_inc(x_39);
+lean_dec(x_35);
+x_40 = 0;
+x_17 = x_40;
+x_18 = x_39;
+goto block_34;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
-x_40 = lean_ctor_get(x_34, 1);
-lean_inc(x_40);
-lean_dec(x_34);
+lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint8_t x_45; 
+x_41 = lean_ctor_get(x_35, 1);
+lean_inc(x_41);
+lean_dec(x_35);
 lean_inc(x_2);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_40);
-x_42 = lean_ctor_get(x_41, 0);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_41, 1);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_41);
+x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
-lean_dec(x_41);
-x_44 = lean_unbox(x_42);
+x_44 = lean_ctor_get(x_42, 1);
+lean_inc(x_44);
 lean_dec(x_42);
-x_16 = x_44;
-x_17 = x_43;
-goto block_33;
+x_45 = lean_unbox(x_43);
+lean_dec(x_43);
+x_17 = x_45;
+x_18 = x_44;
+goto block_34;
 }
-block_33:
+block_34:
 {
-if (x_16 == 0)
+if (x_17 == 0)
 {
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_box(0);
-x_19 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_3, x_1, x_14, x_2, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
-return x_19;
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_box(0);
+x_20 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(x_1, x_15, x_2, x_3, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_18);
+return x_20;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
 lean_inc(x_3);
-x_20 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_20, 0, x_3);
-x_21 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2;
-x_22 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_22, 0, x_21);
-lean_ctor_set(x_22, 1, x_20);
-x_23 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4;
-x_24 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set(x_24, 1, x_23);
-lean_inc(x_14);
-x_25 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_25, 0, x_14);
-x_26 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_26, 0, x_24);
-lean_ctor_set(x_26, 1, x_25);
-x_27 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_28 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_28, 0, x_26);
-lean_ctor_set(x_28, 1, x_27);
+x_21 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_21, 0, x_3);
+x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2;
+x_23 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_21);
+x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4;
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+lean_inc(x_15);
+x_26 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_26, 0, x_15);
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
 lean_inc(x_2);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_2, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_2, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_18);
+x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
-lean_dec(x_29);
-x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_3, x_1, x_14, x_2, x_30, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_31);
-return x_32;
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+lean_dec(x_30);
+x_33 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(x_1, x_15, x_2, x_3, x_31, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_32);
+return x_33;
 }
 }
 }
 else
 {
-uint8_t x_45; 
+uint8_t x_46; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -7673,71 +8236,72 @@ lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_45 = !lean_is_exclusive(x_13);
-if (x_45 == 0)
+x_46 = !lean_is_exclusive(x_14);
+if (x_46 == 0)
 {
-return x_13;
+return x_14;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_13, 0);
-x_47 = lean_ctor_get(x_13, 1);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_14, 0);
+x_48 = lean_ctor_get(x_14, 1);
+lean_inc(x_48);
 lean_inc(x_47);
-lean_inc(x_46);
-lean_dec(x_13);
-x_48 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_48, 0, x_46);
-lean_ctor_set(x_48, 1, x_47);
-return x_48;
+lean_dec(x_14);
+x_49 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
+return x_49;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
 _start:
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; size_t x_16; size_t x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; 
+lean_object* x_14; lean_object* x_15; lean_object* x_16; size_t x_17; size_t x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
 lean_dec(x_4);
-x_13 = lean_ctor_get(x_10, 5);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_1, 6);
+x_14 = lean_ctor_get(x_11, 5);
 lean_inc(x_14);
-x_15 = lean_array_get_size(x_14);
-x_16 = lean_usize_of_nat(x_15);
-lean_dec(x_15);
-x_17 = 0;
-x_18 = lean_box(0);
+x_15 = lean_ctor_get(x_1, 6);
+lean_inc(x_15);
+x_16 = lean_array_get_size(x_15);
+x_17 = lean_usize_of_nat(x_16);
+lean_dec(x_16);
+x_18 = 0;
+x_19 = lean_box(0);
 lean_inc(x_3);
-x_19 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(x_3, x_13, x_14, x_16, x_17, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-lean_dec(x_14);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_ctor_get(x_1, 5);
+x_20 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(x_3, x_14, x_15, x_17, x_18, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_15);
+x_21 = lean_ctor_get(x_20, 1);
 lean_inc(x_21);
-x_22 = l_Array_isEmpty___rarg(x_21);
-if (x_22 == 0)
+lean_dec(x_20);
+x_22 = lean_ctor_get(x_1, 5);
+lean_inc(x_22);
+x_23 = l_Array_isEmpty___rarg(x_22);
+if (x_23 == 0)
 {
-uint8_t x_23; uint8_t x_24; uint8_t x_25; lean_object* x_26; 
-x_23 = 0;
-x_24 = 1;
+uint8_t x_24; uint8_t x_25; uint8_t x_26; lean_object* x_27; 
+x_24 = 0;
 x_25 = 1;
-x_26 = l_Lean_Meta_mkLambdaFVars(x_21, x_3, x_23, x_24, x_25, x_8, x_9, x_10, x_11, x_20);
-if (lean_obj_tag(x_26) == 0)
+x_26 = 1;
+x_27 = l_Lean_Meta_mkLambdaFVars(x_22, x_3, x_24, x_25, x_26, x_9, x_10, x_11, x_12, x_21);
+if (lean_obj_tag(x_27) == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_26);
-x_29 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(x_1, x_2, x_27, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_28);
-return x_29;
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(x_1, x_2, x_28, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
+return x_30;
 }
 else
 {
-uint8_t x_30; 
+uint8_t x_31; 
+lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -7747,32 +8311,32 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_26);
-if (x_30 == 0)
+x_31 = !lean_is_exclusive(x_27);
+if (x_31 == 0)
 {
-return x_26;
+return x_27;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_26, 0);
-x_32 = lean_ctor_get(x_26, 1);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_27, 0);
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
 lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_26);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_dec(x_27);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
 }
 }
 }
 else
 {
-lean_object* x_34; 
-lean_dec(x_21);
-x_34 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4(x_1, x_2, x_3, x_18, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_20);
-return x_34;
+lean_object* x_35; 
+lean_dec(x_22);
+x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(x_1, x_2, x_3, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_21);
+return x_35;
 }
 }
 }
@@ -7794,96 +8358,97 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
-x_9 = lean_st_ref_get(x_7, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_1, x_10);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_2, x_11);
+x_13 = lean_ctor_get(x_12, 0);
 lean_inc(x_13);
-lean_dec(x_11);
-x_14 = lean_ctor_get(x_12, 0);
+x_14 = lean_ctor_get(x_12, 1);
 lean_inc(x_14);
-x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__2;
-x_26 = lean_st_ref_get(x_7, x_13);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_27, 3);
+lean_dec(x_12);
+x_15 = lean_ctor_get(x_13, 0);
+lean_inc(x_15);
+x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__2;
+x_27 = lean_st_ref_get(x_8, x_14);
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_27);
-x_29 = lean_ctor_get_uint8(x_28, sizeof(void*)*1);
+x_29 = lean_ctor_get(x_28, 3);
+lean_inc(x_29);
 lean_dec(x_28);
-if (x_29 == 0)
+x_30 = lean_ctor_get_uint8(x_29, sizeof(void*)*1);
+lean_dec(x_29);
+if (x_30 == 0)
 {
-lean_object* x_30; uint8_t x_31; 
-x_30 = lean_ctor_get(x_26, 1);
-lean_inc(x_30);
-lean_dec(x_26);
-x_31 = 0;
-x_16 = x_31;
-x_17 = x_30;
-goto block_25;
+lean_object* x_31; uint8_t x_32; 
+x_31 = lean_ctor_get(x_27, 1);
+lean_inc(x_31);
+lean_dec(x_27);
+x_32 = 0;
+x_17 = x_32;
+x_18 = x_31;
+goto block_26;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_32 = lean_ctor_get(x_26, 1);
-lean_inc(x_32);
-lean_dec(x_26);
-x_33 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_15, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_32);
-x_34 = lean_ctor_get(x_33, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 1);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
+lean_dec(x_27);
+x_34 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__2(x_16, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_33);
+x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
-lean_dec(x_33);
-x_36 = lean_unbox(x_34);
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
 lean_dec(x_34);
-x_16 = x_36;
-x_17 = x_35;
-goto block_25;
+x_37 = lean_unbox(x_35);
+lean_dec(x_35);
+x_17 = x_37;
+x_18 = x_36;
+goto block_26;
 }
-block_25:
+block_26:
 {
-if (x_16 == 0)
+if (x_17 == 0)
 {
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_box(0);
-x_19 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(x_12, x_15, x_14, x_18, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_17);
-return x_19;
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_box(0);
+x_20 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__6(x_13, x_16, x_15, x_19, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+return x_20;
 }
 else
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-lean_inc(x_14);
-x_20 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_20, 0, x_14);
-x_21 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_15, x_20, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_17);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+lean_inc(x_15);
+x_21 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_21, 0, x_15);
+x_22 = l_Lean_addTrace___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType___spec__1(x_16, x_21, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-lean_dec(x_21);
-x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5(x_12, x_15, x_14, x_22, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_23);
-return x_24;
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__6(x_13, x_16, x_15, x_23, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_24);
+return x_25;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
 _start:
 {
-size_t x_15; size_t x_16; lean_object* x_17; 
-x_15 = lean_unbox_usize(x_4);
+size_t x_16; size_t x_17; lean_object* x_18; 
+x_16 = lean_unbox_usize(x_4);
 lean_dec(x_4);
-x_16 = lean_unbox_usize(x_5);
+x_17 = lean_unbox_usize(x_5);
 lean_dec(x_5);
-x_17 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(x_1, x_2, x_3, x_15, x_16, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_18 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__1(x_1, x_2, x_3, x_16, x_17, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
@@ -7892,26 +8457,77 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_3);
-return x_17;
+return x_18;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___rarg(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l_Lean_markUsedAssignment___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__3(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
 lean_object* x_11; 
-x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_11 = l_Lean_isExprMVarAssigned___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_11;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_13; 
-x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_object* x_12; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
 lean_dec(x_4);
-return x_13;
+lean_dec(x_3);
+lean_dec(x_2);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+lean_object* x_15; 
+x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+lean_dec(x_5);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+uint8_t x_16; lean_object* x_17; 
+x_16 = lean_unbox(x_6);
+lean_dec(x_6);
+x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3(x_1, x_2, x_3, x_4, x_5, x_16, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+return x_17;
 }
 }
 LEAN_EXPORT uint8_t l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
@@ -12321,371 +12937,372 @@ x_2 = l_Std_mkHashSetImp___rarg(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; lean_object* x_116; lean_object* x_117; uint8_t x_118; 
-x_11 = lean_ctor_get(x_1, 3);
-lean_inc(x_11);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_117; lean_object* x_118; uint8_t x_119; 
+x_12 = lean_ctor_get(x_1, 3);
+lean_inc(x_12);
 lean_dec(x_1);
-x_12 = lean_st_ref_get(x_9, x_10);
-x_13 = lean_ctor_get(x_12, 1);
-lean_inc(x_13);
-lean_dec(x_12);
-x_14 = lean_st_ref_get(x_7, x_13);
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
+x_13 = lean_st_ref_get(x_10, x_11);
+x_14 = lean_ctor_get(x_13, 1);
+lean_inc(x_14);
+lean_dec(x_13);
+x_15 = lean_st_ref_get(x_8, x_14);
+x_16 = lean_ctor_get(x_15, 0);
 lean_inc(x_16);
-lean_dec(x_14);
-x_17 = lean_ctor_get(x_15, 0);
+x_17 = lean_ctor_get(x_15, 1);
 lean_inc(x_17);
 lean_dec(x_15);
-x_116 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
-x_117 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_117, 0, x_116);
-lean_ctor_set(x_117, 1, x_17);
-x_118 = l_Lean_Expr_hasFVar(x_11);
-if (x_118 == 0)
-{
-uint8_t x_119; 
-x_119 = l_Lean_Expr_hasMVar(x_11);
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+lean_dec(x_16);
+x_117 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
+x_118 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_18);
+x_119 = l_Lean_Expr_hasFVar(x_12);
 if (x_119 == 0)
 {
 uint8_t x_120; 
-lean_dec(x_11);
-x_120 = 0;
-x_18 = x_120;
-x_19 = x_117;
-goto block_115;
+x_120 = l_Lean_Expr_hasMVar(x_12);
+if (x_120 == 0)
+{
+uint8_t x_121; 
+lean_dec(x_12);
+x_121 = 0;
+x_19 = x_121;
+x_20 = x_118;
+goto block_116;
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; uint8_t x_124; 
-x_121 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__3(x_2, x_11, x_117);
-x_122 = lean_ctor_get(x_121, 0);
-lean_inc(x_122);
-x_123 = lean_ctor_get(x_121, 1);
+lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
+x_122 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__3(x_2, x_12, x_118);
+x_123 = lean_ctor_get(x_122, 0);
 lean_inc(x_123);
-lean_dec(x_121);
-x_124 = lean_unbox(x_122);
+x_124 = lean_ctor_get(x_122, 1);
+lean_inc(x_124);
 lean_dec(x_122);
-x_18 = x_124;
-x_19 = x_123;
-goto block_115;
+x_125 = lean_unbox(x_123);
+lean_dec(x_123);
+x_19 = x_125;
+x_20 = x_124;
+goto block_116;
 }
 }
 else
 {
-lean_object* x_125; lean_object* x_126; lean_object* x_127; uint8_t x_128; 
-x_125 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11(x_2, x_11, x_117);
-x_126 = lean_ctor_get(x_125, 0);
-lean_inc(x_126);
-x_127 = lean_ctor_get(x_125, 1);
+lean_object* x_126; lean_object* x_127; lean_object* x_128; uint8_t x_129; 
+x_126 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__11(x_2, x_12, x_118);
+x_127 = lean_ctor_get(x_126, 0);
 lean_inc(x_127);
-lean_dec(x_125);
-x_128 = lean_unbox(x_126);
+x_128 = lean_ctor_get(x_126, 1);
+lean_inc(x_128);
 lean_dec(x_126);
-x_18 = x_128;
-x_19 = x_127;
-goto block_115;
+x_129 = lean_unbox(x_127);
+lean_dec(x_127);
+x_19 = x_129;
+x_20 = x_128;
+goto block_116;
 }
-block_115:
+block_116:
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_get(x_9, x_16);
-x_22 = lean_ctor_get(x_21, 1);
-lean_inc(x_22);
-lean_dec(x_21);
-x_23 = lean_st_ref_take(x_7, x_22);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_ctor_get_uint8(x_20, sizeof(void*)*8);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_26 = lean_ctor_get(x_24, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_23, 1);
-lean_inc(x_27);
-lean_dec(x_23);
-x_28 = lean_ctor_get(x_20, 0);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_20, 1);
-lean_inc(x_29);
-x_30 = lean_ctor_get(x_20, 2);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_20, 3);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_20, 4);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_20, 5);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_20, 6);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_20, 7);
-lean_inc(x_35);
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
 lean_dec(x_20);
-x_36 = !lean_is_exclusive(x_24);
-if (x_36 == 0)
+x_22 = lean_st_ref_get(x_10, x_17);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = lean_st_ref_take(x_8, x_23);
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get_uint8(x_21, sizeof(void*)*8);
+if (x_26 == 0)
 {
-lean_object* x_37; uint8_t x_38; 
-x_37 = lean_ctor_get(x_24, 0);
-lean_dec(x_37);
-x_38 = !lean_is_exclusive(x_26);
-if (x_38 == 0)
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_27 = lean_ctor_get(x_25, 0);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_24, 1);
+lean_inc(x_28);
+lean_dec(x_24);
+x_29 = lean_ctor_get(x_21, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_21, 1);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_21, 2);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_21, 3);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_21, 4);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_21, 5);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_21, 6);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_21, 7);
+lean_inc(x_36);
+lean_dec(x_21);
+x_37 = !lean_is_exclusive(x_25);
+if (x_37 == 0)
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
-x_39 = lean_ctor_get(x_26, 7);
-lean_dec(x_39);
-x_40 = lean_ctor_get(x_26, 6);
+lean_object* x_38; uint8_t x_39; 
+x_38 = lean_ctor_get(x_25, 0);
+lean_dec(x_38);
+x_39 = !lean_is_exclusive(x_27);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
+x_40 = lean_ctor_get(x_27, 7);
 lean_dec(x_40);
-x_41 = lean_ctor_get(x_26, 5);
+x_41 = lean_ctor_get(x_27, 6);
 lean_dec(x_41);
-x_42 = lean_ctor_get(x_26, 4);
+x_42 = lean_ctor_get(x_27, 5);
 lean_dec(x_42);
-x_43 = lean_ctor_get(x_26, 3);
+x_43 = lean_ctor_get(x_27, 4);
 lean_dec(x_43);
-x_44 = lean_ctor_get(x_26, 2);
+x_44 = lean_ctor_get(x_27, 3);
 lean_dec(x_44);
-x_45 = lean_ctor_get(x_26, 1);
+x_45 = lean_ctor_get(x_27, 2);
 lean_dec(x_45);
-x_46 = lean_ctor_get(x_26, 0);
+x_46 = lean_ctor_get(x_27, 1);
 lean_dec(x_46);
-lean_ctor_set(x_26, 7, x_35);
-lean_ctor_set(x_26, 6, x_34);
-lean_ctor_set(x_26, 5, x_33);
-lean_ctor_set(x_26, 4, x_32);
-lean_ctor_set(x_26, 3, x_31);
-lean_ctor_set(x_26, 2, x_30);
-lean_ctor_set(x_26, 1, x_29);
-lean_ctor_set(x_26, 0, x_28);
-x_47 = lean_st_ref_set(x_7, x_24, x_27);
-x_48 = !lean_is_exclusive(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_47, 0);
-lean_dec(x_49);
-x_50 = lean_box(x_18);
-lean_ctor_set(x_47, 0, x_50);
-return x_47;
-}
-else
-{
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_47, 1);
-lean_inc(x_51);
+x_47 = lean_ctor_get(x_27, 0);
 lean_dec(x_47);
-x_52 = lean_box(x_18);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_51);
-return x_53;
+lean_ctor_set(x_27, 7, x_36);
+lean_ctor_set(x_27, 6, x_35);
+lean_ctor_set(x_27, 5, x_34);
+lean_ctor_set(x_27, 4, x_33);
+lean_ctor_set(x_27, 3, x_32);
+lean_ctor_set(x_27, 2, x_31);
+lean_ctor_set(x_27, 1, x_30);
+lean_ctor_set(x_27, 0, x_29);
+x_48 = lean_st_ref_set(x_8, x_25, x_28);
+x_49 = !lean_is_exclusive(x_48);
+if (x_49 == 0)
+{
+lean_object* x_50; lean_object* x_51; 
+x_50 = lean_ctor_get(x_48, 0);
+lean_dec(x_50);
+x_51 = lean_box(x_19);
+lean_ctor_set(x_48, 0, x_51);
+return x_48;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_48, 1);
+lean_inc(x_52);
+lean_dec(x_48);
+x_53 = lean_box(x_19);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_52);
+return x_54;
 }
 }
 else
 {
-uint8_t x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_54 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-lean_dec(x_26);
-x_55 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_55, 0, x_28);
-lean_ctor_set(x_55, 1, x_29);
-lean_ctor_set(x_55, 2, x_30);
-lean_ctor_set(x_55, 3, x_31);
-lean_ctor_set(x_55, 4, x_32);
-lean_ctor_set(x_55, 5, x_33);
-lean_ctor_set(x_55, 6, x_34);
-lean_ctor_set(x_55, 7, x_35);
-lean_ctor_set_uint8(x_55, sizeof(void*)*8, x_54);
-lean_ctor_set(x_24, 0, x_55);
-x_56 = lean_st_ref_set(x_7, x_24, x_27);
-x_57 = lean_ctor_get(x_56, 1);
-lean_inc(x_57);
-if (lean_is_exclusive(x_56)) {
- lean_ctor_release(x_56, 0);
- lean_ctor_release(x_56, 1);
- x_58 = x_56;
+uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_55 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
+lean_dec(x_27);
+x_56 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_56, 0, x_29);
+lean_ctor_set(x_56, 1, x_30);
+lean_ctor_set(x_56, 2, x_31);
+lean_ctor_set(x_56, 3, x_32);
+lean_ctor_set(x_56, 4, x_33);
+lean_ctor_set(x_56, 5, x_34);
+lean_ctor_set(x_56, 6, x_35);
+lean_ctor_set(x_56, 7, x_36);
+lean_ctor_set_uint8(x_56, sizeof(void*)*8, x_55);
+lean_ctor_set(x_25, 0, x_56);
+x_57 = lean_st_ref_set(x_8, x_25, x_28);
+x_58 = lean_ctor_get(x_57, 1);
+lean_inc(x_58);
+if (lean_is_exclusive(x_57)) {
+ lean_ctor_release(x_57, 0);
+ lean_ctor_release(x_57, 1);
+ x_59 = x_57;
 } else {
- lean_dec_ref(x_56);
- x_58 = lean_box(0);
+ lean_dec_ref(x_57);
+ x_59 = lean_box(0);
 }
-x_59 = lean_box(x_18);
-if (lean_is_scalar(x_58)) {
- x_60 = lean_alloc_ctor(0, 2, 0);
+x_60 = lean_box(x_19);
+if (lean_is_scalar(x_59)) {
+ x_61 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_60 = x_58;
+ x_61 = x_59;
 }
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_57);
-return x_60;
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_58);
+return x_61;
 }
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_61 = lean_ctor_get(x_24, 1);
-x_62 = lean_ctor_get(x_24, 2);
-x_63 = lean_ctor_get(x_24, 3);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_62 = lean_ctor_get(x_25, 1);
+x_63 = lean_ctor_get(x_25, 2);
+x_64 = lean_ctor_get(x_25, 3);
+lean_inc(x_64);
 lean_inc(x_63);
 lean_inc(x_62);
-lean_inc(x_61);
-lean_dec(x_24);
-x_64 = lean_ctor_get_uint8(x_26, sizeof(void*)*8);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_65 = x_26;
+lean_dec(x_25);
+x_65 = lean_ctor_get_uint8(x_27, sizeof(void*)*8);
+if (lean_is_exclusive(x_27)) {
+ lean_ctor_release(x_27, 0);
+ lean_ctor_release(x_27, 1);
+ lean_ctor_release(x_27, 2);
+ lean_ctor_release(x_27, 3);
+ lean_ctor_release(x_27, 4);
+ lean_ctor_release(x_27, 5);
+ lean_ctor_release(x_27, 6);
+ lean_ctor_release(x_27, 7);
+ x_66 = x_27;
 } else {
- lean_dec_ref(x_26);
- x_65 = lean_box(0);
+ lean_dec_ref(x_27);
+ x_66 = lean_box(0);
 }
-if (lean_is_scalar(x_65)) {
- x_66 = lean_alloc_ctor(0, 8, 1);
+if (lean_is_scalar(x_66)) {
+ x_67 = lean_alloc_ctor(0, 8, 1);
 } else {
- x_66 = x_65;
+ x_67 = x_66;
 }
-lean_ctor_set(x_66, 0, x_28);
-lean_ctor_set(x_66, 1, x_29);
-lean_ctor_set(x_66, 2, x_30);
-lean_ctor_set(x_66, 3, x_31);
-lean_ctor_set(x_66, 4, x_32);
-lean_ctor_set(x_66, 5, x_33);
-lean_ctor_set(x_66, 6, x_34);
-lean_ctor_set(x_66, 7, x_35);
-lean_ctor_set_uint8(x_66, sizeof(void*)*8, x_64);
-x_67 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_61);
-lean_ctor_set(x_67, 2, x_62);
-lean_ctor_set(x_67, 3, x_63);
-x_68 = lean_st_ref_set(x_7, x_67, x_27);
-x_69 = lean_ctor_get(x_68, 1);
-lean_inc(x_69);
-if (lean_is_exclusive(x_68)) {
- lean_ctor_release(x_68, 0);
- lean_ctor_release(x_68, 1);
- x_70 = x_68;
+lean_ctor_set(x_67, 0, x_29);
+lean_ctor_set(x_67, 1, x_30);
+lean_ctor_set(x_67, 2, x_31);
+lean_ctor_set(x_67, 3, x_32);
+lean_ctor_set(x_67, 4, x_33);
+lean_ctor_set(x_67, 5, x_34);
+lean_ctor_set(x_67, 6, x_35);
+lean_ctor_set(x_67, 7, x_36);
+lean_ctor_set_uint8(x_67, sizeof(void*)*8, x_65);
+x_68 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_62);
+lean_ctor_set(x_68, 2, x_63);
+lean_ctor_set(x_68, 3, x_64);
+x_69 = lean_st_ref_set(x_8, x_68, x_28);
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+if (lean_is_exclusive(x_69)) {
+ lean_ctor_release(x_69, 0);
+ lean_ctor_release(x_69, 1);
+ x_71 = x_69;
 } else {
- lean_dec_ref(x_68);
- x_70 = lean_box(0);
+ lean_dec_ref(x_69);
+ x_71 = lean_box(0);
 }
-x_71 = lean_box(x_18);
-if (lean_is_scalar(x_70)) {
- x_72 = lean_alloc_ctor(0, 2, 0);
+x_72 = lean_box(x_19);
+if (lean_is_scalar(x_71)) {
+ x_73 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_72 = x_70;
+ x_73 = x_71;
 }
-lean_ctor_set(x_72, 0, x_71);
-lean_ctor_set(x_72, 1, x_69);
-return x_72;
+lean_ctor_set(x_73, 0, x_72);
+lean_ctor_set(x_73, 1, x_70);
+return x_73;
 }
 }
 else
 {
-lean_object* x_73; uint8_t x_74; 
-x_73 = lean_ctor_get(x_23, 1);
-lean_inc(x_73);
-lean_dec(x_23);
-x_74 = !lean_is_exclusive(x_20);
-if (x_74 == 0)
-{
-uint8_t x_75; 
-x_75 = !lean_is_exclusive(x_24);
+lean_object* x_74; uint8_t x_75; 
+x_74 = lean_ctor_get(x_24, 1);
+lean_inc(x_74);
+lean_dec(x_24);
+x_75 = !lean_is_exclusive(x_21);
 if (x_75 == 0)
 {
-lean_object* x_76; uint8_t x_77; lean_object* x_78; uint8_t x_79; 
-x_76 = lean_ctor_get(x_24, 0);
-lean_dec(x_76);
-x_77 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_77);
-lean_ctor_set(x_24, 0, x_20);
-x_78 = lean_st_ref_set(x_7, x_24, x_73);
-x_79 = !lean_is_exclusive(x_78);
-if (x_79 == 0)
+uint8_t x_76; 
+x_76 = !lean_is_exclusive(x_25);
+if (x_76 == 0)
 {
-lean_object* x_80; lean_object* x_81; 
-x_80 = lean_ctor_get(x_78, 0);
-lean_dec(x_80);
-x_81 = lean_box(x_18);
-lean_ctor_set(x_78, 0, x_81);
-return x_78;
+lean_object* x_77; uint8_t x_78; lean_object* x_79; uint8_t x_80; 
+x_77 = lean_ctor_get(x_25, 0);
+lean_dec(x_77);
+x_78 = 1;
+lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_78);
+lean_ctor_set(x_25, 0, x_21);
+x_79 = lean_st_ref_set(x_8, x_25, x_74);
+x_80 = !lean_is_exclusive(x_79);
+if (x_80 == 0)
+{
+lean_object* x_81; lean_object* x_82; 
+x_81 = lean_ctor_get(x_79, 0);
+lean_dec(x_81);
+x_82 = lean_box(x_19);
+lean_ctor_set(x_79, 0, x_82);
+return x_79;
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; 
-x_82 = lean_ctor_get(x_78, 1);
-lean_inc(x_82);
-lean_dec(x_78);
-x_83 = lean_box(x_18);
-x_84 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_84, 0, x_83);
-lean_ctor_set(x_84, 1, x_82);
-return x_84;
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_79, 1);
+lean_inc(x_83);
+lean_dec(x_79);
+x_84 = lean_box(x_19);
+x_85 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_83);
+return x_85;
 }
 }
 else
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; uint8_t x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-x_85 = lean_ctor_get(x_24, 1);
-x_86 = lean_ctor_get(x_24, 2);
-x_87 = lean_ctor_get(x_24, 3);
+lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; 
+x_86 = lean_ctor_get(x_25, 1);
+x_87 = lean_ctor_get(x_25, 2);
+x_88 = lean_ctor_get(x_25, 3);
+lean_inc(x_88);
 lean_inc(x_87);
 lean_inc(x_86);
-lean_inc(x_85);
-lean_dec(x_24);
-x_88 = 1;
-lean_ctor_set_uint8(x_20, sizeof(void*)*8, x_88);
-x_89 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_89, 0, x_20);
-lean_ctor_set(x_89, 1, x_85);
-lean_ctor_set(x_89, 2, x_86);
-lean_ctor_set(x_89, 3, x_87);
-x_90 = lean_st_ref_set(x_7, x_89, x_73);
-x_91 = lean_ctor_get(x_90, 1);
-lean_inc(x_91);
-if (lean_is_exclusive(x_90)) {
- lean_ctor_release(x_90, 0);
- lean_ctor_release(x_90, 1);
- x_92 = x_90;
+lean_dec(x_25);
+x_89 = 1;
+lean_ctor_set_uint8(x_21, sizeof(void*)*8, x_89);
+x_90 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_90, 0, x_21);
+lean_ctor_set(x_90, 1, x_86);
+lean_ctor_set(x_90, 2, x_87);
+lean_ctor_set(x_90, 3, x_88);
+x_91 = lean_st_ref_set(x_8, x_90, x_74);
+x_92 = lean_ctor_get(x_91, 1);
+lean_inc(x_92);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_93 = x_91;
 } else {
- lean_dec_ref(x_90);
- x_92 = lean_box(0);
+ lean_dec_ref(x_91);
+ x_93 = lean_box(0);
 }
-x_93 = lean_box(x_18);
-if (lean_is_scalar(x_92)) {
- x_94 = lean_alloc_ctor(0, 2, 0);
+x_94 = lean_box(x_19);
+if (lean_is_scalar(x_93)) {
+ x_95 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_94 = x_92;
+ x_95 = x_93;
 }
-lean_ctor_set(x_94, 0, x_93);
-lean_ctor_set(x_94, 1, x_91);
-return x_94;
+lean_ctor_set(x_95, 0, x_94);
+lean_ctor_set(x_95, 1, x_92);
+return x_95;
 }
 }
 else
 {
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; uint8_t x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; 
-x_95 = lean_ctor_get(x_20, 0);
-x_96 = lean_ctor_get(x_20, 1);
-x_97 = lean_ctor_get(x_20, 2);
-x_98 = lean_ctor_get(x_20, 3);
-x_99 = lean_ctor_get(x_20, 4);
-x_100 = lean_ctor_get(x_20, 5);
-x_101 = lean_ctor_get(x_20, 6);
-x_102 = lean_ctor_get(x_20, 7);
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_96 = lean_ctor_get(x_21, 0);
+x_97 = lean_ctor_get(x_21, 1);
+x_98 = lean_ctor_get(x_21, 2);
+x_99 = lean_ctor_get(x_21, 3);
+x_100 = lean_ctor_get(x_21, 4);
+x_101 = lean_ctor_get(x_21, 5);
+x_102 = lean_ctor_get(x_21, 6);
+x_103 = lean_ctor_get(x_21, 7);
+lean_inc(x_103);
 lean_inc(x_102);
 lean_inc(x_101);
 lean_inc(x_100);
@@ -12693,432 +13310,432 @@ lean_inc(x_99);
 lean_inc(x_98);
 lean_inc(x_97);
 lean_inc(x_96);
-lean_inc(x_95);
-lean_dec(x_20);
-x_103 = lean_ctor_get(x_24, 1);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_24, 2);
+lean_dec(x_21);
+x_104 = lean_ctor_get(x_25, 1);
 lean_inc(x_104);
-x_105 = lean_ctor_get(x_24, 3);
+x_105 = lean_ctor_get(x_25, 2);
 lean_inc(x_105);
-if (lean_is_exclusive(x_24)) {
- lean_ctor_release(x_24, 0);
- lean_ctor_release(x_24, 1);
- lean_ctor_release(x_24, 2);
- lean_ctor_release(x_24, 3);
- x_106 = x_24;
+x_106 = lean_ctor_get(x_25, 3);
+lean_inc(x_106);
+if (lean_is_exclusive(x_25)) {
+ lean_ctor_release(x_25, 0);
+ lean_ctor_release(x_25, 1);
+ lean_ctor_release(x_25, 2);
+ lean_ctor_release(x_25, 3);
+ x_107 = x_25;
 } else {
- lean_dec_ref(x_24);
- x_106 = lean_box(0);
+ lean_dec_ref(x_25);
+ x_107 = lean_box(0);
 }
-x_107 = 1;
-x_108 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_108, 0, x_95);
-lean_ctor_set(x_108, 1, x_96);
-lean_ctor_set(x_108, 2, x_97);
-lean_ctor_set(x_108, 3, x_98);
-lean_ctor_set(x_108, 4, x_99);
-lean_ctor_set(x_108, 5, x_100);
-lean_ctor_set(x_108, 6, x_101);
-lean_ctor_set(x_108, 7, x_102);
-lean_ctor_set_uint8(x_108, sizeof(void*)*8, x_107);
-if (lean_is_scalar(x_106)) {
- x_109 = lean_alloc_ctor(0, 4, 0);
+x_108 = 1;
+x_109 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_109, 0, x_96);
+lean_ctor_set(x_109, 1, x_97);
+lean_ctor_set(x_109, 2, x_98);
+lean_ctor_set(x_109, 3, x_99);
+lean_ctor_set(x_109, 4, x_100);
+lean_ctor_set(x_109, 5, x_101);
+lean_ctor_set(x_109, 6, x_102);
+lean_ctor_set(x_109, 7, x_103);
+lean_ctor_set_uint8(x_109, sizeof(void*)*8, x_108);
+if (lean_is_scalar(x_107)) {
+ x_110 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_109 = x_106;
+ x_110 = x_107;
 }
-lean_ctor_set(x_109, 0, x_108);
-lean_ctor_set(x_109, 1, x_103);
-lean_ctor_set(x_109, 2, x_104);
-lean_ctor_set(x_109, 3, x_105);
-x_110 = lean_st_ref_set(x_7, x_109, x_73);
-x_111 = lean_ctor_get(x_110, 1);
-lean_inc(x_111);
-if (lean_is_exclusive(x_110)) {
- lean_ctor_release(x_110, 0);
- lean_ctor_release(x_110, 1);
- x_112 = x_110;
+lean_ctor_set(x_110, 0, x_109);
+lean_ctor_set(x_110, 1, x_104);
+lean_ctor_set(x_110, 2, x_105);
+lean_ctor_set(x_110, 3, x_106);
+x_111 = lean_st_ref_set(x_8, x_110, x_74);
+x_112 = lean_ctor_get(x_111, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_111)) {
+ lean_ctor_release(x_111, 0);
+ lean_ctor_release(x_111, 1);
+ x_113 = x_111;
 } else {
- lean_dec_ref(x_110);
- x_112 = lean_box(0);
+ lean_dec_ref(x_111);
+ x_113 = lean_box(0);
 }
-x_113 = lean_box(x_18);
-if (lean_is_scalar(x_112)) {
- x_114 = lean_alloc_ctor(0, 2, 0);
+x_114 = lean_box(x_19);
+if (lean_is_scalar(x_113)) {
+ x_115 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_114 = x_112;
+ x_115 = x_113;
 }
-lean_ctor_set(x_114, 0, x_113);
-lean_ctor_set(x_114, 1, x_111);
-return x_114;
+lean_ctor_set(x_115, 0, x_114);
+lean_ctor_set(x_115, 1, x_112);
+return x_115;
 }
 }
 }
 }
 else
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; uint8_t x_137; lean_object* x_138; uint8_t x_235; lean_object* x_236; lean_object* x_249; lean_object* x_250; uint8_t x_251; 
-x_129 = lean_ctor_get(x_1, 3);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_1, 4);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; lean_object* x_139; uint8_t x_236; lean_object* x_237; lean_object* x_250; lean_object* x_251; uint8_t x_252; 
+x_130 = lean_ctor_get(x_1, 3);
 lean_inc(x_130);
+x_131 = lean_ctor_get(x_1, 4);
+lean_inc(x_131);
 lean_dec(x_1);
-x_131 = lean_st_ref_get(x_9, x_10);
-x_132 = lean_ctor_get(x_131, 1);
-lean_inc(x_132);
-lean_dec(x_131);
-x_133 = lean_st_ref_get(x_7, x_132);
-x_134 = lean_ctor_get(x_133, 0);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_133, 1);
+x_132 = lean_st_ref_get(x_10, x_11);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = lean_st_ref_get(x_8, x_133);
+x_135 = lean_ctor_get(x_134, 0);
 lean_inc(x_135);
-lean_dec(x_133);
-x_136 = lean_ctor_get(x_134, 0);
+x_136 = lean_ctor_get(x_134, 1);
 lean_inc(x_136);
 lean_dec(x_134);
-x_249 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
-x_250 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_250, 0, x_249);
-lean_ctor_set(x_250, 1, x_136);
-x_251 = l_Lean_Expr_hasFVar(x_129);
-if (x_251 == 0)
-{
-uint8_t x_252; 
-x_252 = l_Lean_Expr_hasMVar(x_129);
+x_137 = lean_ctor_get(x_135, 0);
+lean_inc(x_137);
+lean_dec(x_135);
+x_250 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___closed__1;
+x_251 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_251, 0, x_250);
+lean_ctor_set(x_251, 1, x_137);
+x_252 = l_Lean_Expr_hasFVar(x_130);
 if (x_252 == 0)
 {
 uint8_t x_253; 
-lean_dec(x_129);
-x_253 = 0;
-x_235 = x_253;
-x_236 = x_250;
-goto block_248;
+x_253 = l_Lean_Expr_hasMVar(x_130);
+if (x_253 == 0)
+{
+uint8_t x_254; 
+lean_dec(x_130);
+x_254 = 0;
+x_236 = x_254;
+x_237 = x_251;
+goto block_249;
 }
 else
 {
-lean_object* x_254; lean_object* x_255; lean_object* x_256; uint8_t x_257; 
-x_254 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__35(x_2, x_129, x_250);
-x_255 = lean_ctor_get(x_254, 0);
-lean_inc(x_255);
-x_256 = lean_ctor_get(x_254, 1);
+lean_object* x_255; lean_object* x_256; lean_object* x_257; uint8_t x_258; 
+x_255 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__35(x_2, x_130, x_251);
+x_256 = lean_ctor_get(x_255, 0);
 lean_inc(x_256);
-lean_dec(x_254);
-x_257 = lean_unbox(x_255);
+x_257 = lean_ctor_get(x_255, 1);
+lean_inc(x_257);
 lean_dec(x_255);
-x_235 = x_257;
-x_236 = x_256;
-goto block_248;
+x_258 = lean_unbox(x_256);
+lean_dec(x_256);
+x_236 = x_258;
+x_237 = x_257;
+goto block_249;
 }
 }
 else
 {
-lean_object* x_258; lean_object* x_259; lean_object* x_260; uint8_t x_261; 
-x_258 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__43(x_2, x_129, x_250);
-x_259 = lean_ctor_get(x_258, 0);
-lean_inc(x_259);
-x_260 = lean_ctor_get(x_258, 1);
+lean_object* x_259; lean_object* x_260; lean_object* x_261; uint8_t x_262; 
+x_259 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__43(x_2, x_130, x_251);
+x_260 = lean_ctor_get(x_259, 0);
 lean_inc(x_260);
-lean_dec(x_258);
-x_261 = lean_unbox(x_259);
+x_261 = lean_ctor_get(x_259, 1);
+lean_inc(x_261);
 lean_dec(x_259);
-x_235 = x_261;
-x_236 = x_260;
-goto block_248;
+x_262 = lean_unbox(x_260);
+lean_dec(x_260);
+x_236 = x_262;
+x_237 = x_261;
+goto block_249;
 }
-block_234:
+block_235:
 {
-lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; uint8_t x_144; 
-x_139 = lean_ctor_get(x_138, 1);
-lean_inc(x_139);
-lean_dec(x_138);
-x_140 = lean_st_ref_get(x_9, x_135);
-x_141 = lean_ctor_get(x_140, 1);
-lean_inc(x_141);
-lean_dec(x_140);
-x_142 = lean_st_ref_take(x_7, x_141);
-x_143 = lean_ctor_get(x_142, 0);
-lean_inc(x_143);
-x_144 = lean_ctor_get_uint8(x_139, sizeof(void*)*8);
-if (x_144 == 0)
-{
-lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; uint8_t x_155; 
-x_145 = lean_ctor_get(x_143, 0);
-lean_inc(x_145);
-x_146 = lean_ctor_get(x_142, 1);
-lean_inc(x_146);
-lean_dec(x_142);
-x_147 = lean_ctor_get(x_139, 0);
-lean_inc(x_147);
-x_148 = lean_ctor_get(x_139, 1);
-lean_inc(x_148);
-x_149 = lean_ctor_get(x_139, 2);
-lean_inc(x_149);
-x_150 = lean_ctor_get(x_139, 3);
-lean_inc(x_150);
-x_151 = lean_ctor_get(x_139, 4);
-lean_inc(x_151);
-x_152 = lean_ctor_get(x_139, 5);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_139, 6);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_139, 7);
-lean_inc(x_154);
+lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; 
+x_140 = lean_ctor_get(x_139, 1);
+lean_inc(x_140);
 lean_dec(x_139);
-x_155 = !lean_is_exclusive(x_143);
-if (x_155 == 0)
+x_141 = lean_st_ref_get(x_10, x_136);
+x_142 = lean_ctor_get(x_141, 1);
+lean_inc(x_142);
+lean_dec(x_141);
+x_143 = lean_st_ref_take(x_8, x_142);
+x_144 = lean_ctor_get(x_143, 0);
+lean_inc(x_144);
+x_145 = lean_ctor_get_uint8(x_140, sizeof(void*)*8);
+if (x_145 == 0)
 {
-lean_object* x_156; uint8_t x_157; 
-x_156 = lean_ctor_get(x_143, 0);
-lean_dec(x_156);
-x_157 = !lean_is_exclusive(x_145);
-if (x_157 == 0)
+lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; uint8_t x_156; 
+x_146 = lean_ctor_get(x_144, 0);
+lean_inc(x_146);
+x_147 = lean_ctor_get(x_143, 1);
+lean_inc(x_147);
+lean_dec(x_143);
+x_148 = lean_ctor_get(x_140, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_140, 1);
+lean_inc(x_149);
+x_150 = lean_ctor_get(x_140, 2);
+lean_inc(x_150);
+x_151 = lean_ctor_get(x_140, 3);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_140, 4);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_140, 5);
+lean_inc(x_153);
+x_154 = lean_ctor_get(x_140, 6);
+lean_inc(x_154);
+x_155 = lean_ctor_get(x_140, 7);
+lean_inc(x_155);
+lean_dec(x_140);
+x_156 = !lean_is_exclusive(x_144);
+if (x_156 == 0)
 {
-lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; uint8_t x_167; 
-x_158 = lean_ctor_get(x_145, 7);
-lean_dec(x_158);
-x_159 = lean_ctor_get(x_145, 6);
+lean_object* x_157; uint8_t x_158; 
+x_157 = lean_ctor_get(x_144, 0);
+lean_dec(x_157);
+x_158 = !lean_is_exclusive(x_146);
+if (x_158 == 0)
+{
+lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; uint8_t x_168; 
+x_159 = lean_ctor_get(x_146, 7);
 lean_dec(x_159);
-x_160 = lean_ctor_get(x_145, 5);
+x_160 = lean_ctor_get(x_146, 6);
 lean_dec(x_160);
-x_161 = lean_ctor_get(x_145, 4);
+x_161 = lean_ctor_get(x_146, 5);
 lean_dec(x_161);
-x_162 = lean_ctor_get(x_145, 3);
+x_162 = lean_ctor_get(x_146, 4);
 lean_dec(x_162);
-x_163 = lean_ctor_get(x_145, 2);
+x_163 = lean_ctor_get(x_146, 3);
 lean_dec(x_163);
-x_164 = lean_ctor_get(x_145, 1);
+x_164 = lean_ctor_get(x_146, 2);
 lean_dec(x_164);
-x_165 = lean_ctor_get(x_145, 0);
+x_165 = lean_ctor_get(x_146, 1);
 lean_dec(x_165);
-lean_ctor_set(x_145, 7, x_154);
-lean_ctor_set(x_145, 6, x_153);
-lean_ctor_set(x_145, 5, x_152);
-lean_ctor_set(x_145, 4, x_151);
-lean_ctor_set(x_145, 3, x_150);
-lean_ctor_set(x_145, 2, x_149);
-lean_ctor_set(x_145, 1, x_148);
-lean_ctor_set(x_145, 0, x_147);
-x_166 = lean_st_ref_set(x_7, x_143, x_146);
-x_167 = !lean_is_exclusive(x_166);
-if (x_167 == 0)
-{
-lean_object* x_168; lean_object* x_169; 
-x_168 = lean_ctor_get(x_166, 0);
-lean_dec(x_168);
-x_169 = lean_box(x_137);
-lean_ctor_set(x_166, 0, x_169);
-return x_166;
-}
-else
-{
-lean_object* x_170; lean_object* x_171; lean_object* x_172; 
-x_170 = lean_ctor_get(x_166, 1);
-lean_inc(x_170);
+x_166 = lean_ctor_get(x_146, 0);
 lean_dec(x_166);
-x_171 = lean_box(x_137);
-x_172 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_172, 0, x_171);
-lean_ctor_set(x_172, 1, x_170);
-return x_172;
+lean_ctor_set(x_146, 7, x_155);
+lean_ctor_set(x_146, 6, x_154);
+lean_ctor_set(x_146, 5, x_153);
+lean_ctor_set(x_146, 4, x_152);
+lean_ctor_set(x_146, 3, x_151);
+lean_ctor_set(x_146, 2, x_150);
+lean_ctor_set(x_146, 1, x_149);
+lean_ctor_set(x_146, 0, x_148);
+x_167 = lean_st_ref_set(x_8, x_144, x_147);
+x_168 = !lean_is_exclusive(x_167);
+if (x_168 == 0)
+{
+lean_object* x_169; lean_object* x_170; 
+x_169 = lean_ctor_get(x_167, 0);
+lean_dec(x_169);
+x_170 = lean_box(x_138);
+lean_ctor_set(x_167, 0, x_170);
+return x_167;
+}
+else
+{
+lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+x_171 = lean_ctor_get(x_167, 1);
+lean_inc(x_171);
+lean_dec(x_167);
+x_172 = lean_box(x_138);
+x_173 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_173, 0, x_172);
+lean_ctor_set(x_173, 1, x_171);
+return x_173;
 }
 }
 else
 {
-uint8_t x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-x_173 = lean_ctor_get_uint8(x_145, sizeof(void*)*8);
-lean_dec(x_145);
-x_174 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_174, 0, x_147);
-lean_ctor_set(x_174, 1, x_148);
-lean_ctor_set(x_174, 2, x_149);
-lean_ctor_set(x_174, 3, x_150);
-lean_ctor_set(x_174, 4, x_151);
-lean_ctor_set(x_174, 5, x_152);
-lean_ctor_set(x_174, 6, x_153);
-lean_ctor_set(x_174, 7, x_154);
-lean_ctor_set_uint8(x_174, sizeof(void*)*8, x_173);
-lean_ctor_set(x_143, 0, x_174);
-x_175 = lean_st_ref_set(x_7, x_143, x_146);
-x_176 = lean_ctor_get(x_175, 1);
-lean_inc(x_176);
-if (lean_is_exclusive(x_175)) {
- lean_ctor_release(x_175, 0);
- lean_ctor_release(x_175, 1);
- x_177 = x_175;
+uint8_t x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_174 = lean_ctor_get_uint8(x_146, sizeof(void*)*8);
+lean_dec(x_146);
+x_175 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_175, 0, x_148);
+lean_ctor_set(x_175, 1, x_149);
+lean_ctor_set(x_175, 2, x_150);
+lean_ctor_set(x_175, 3, x_151);
+lean_ctor_set(x_175, 4, x_152);
+lean_ctor_set(x_175, 5, x_153);
+lean_ctor_set(x_175, 6, x_154);
+lean_ctor_set(x_175, 7, x_155);
+lean_ctor_set_uint8(x_175, sizeof(void*)*8, x_174);
+lean_ctor_set(x_144, 0, x_175);
+x_176 = lean_st_ref_set(x_8, x_144, x_147);
+x_177 = lean_ctor_get(x_176, 1);
+lean_inc(x_177);
+if (lean_is_exclusive(x_176)) {
+ lean_ctor_release(x_176, 0);
+ lean_ctor_release(x_176, 1);
+ x_178 = x_176;
 } else {
- lean_dec_ref(x_175);
- x_177 = lean_box(0);
+ lean_dec_ref(x_176);
+ x_178 = lean_box(0);
 }
-x_178 = lean_box(x_137);
-if (lean_is_scalar(x_177)) {
- x_179 = lean_alloc_ctor(0, 2, 0);
+x_179 = lean_box(x_138);
+if (lean_is_scalar(x_178)) {
+ x_180 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_179 = x_177;
+ x_180 = x_178;
 }
-lean_ctor_set(x_179, 0, x_178);
-lean_ctor_set(x_179, 1, x_176);
-return x_179;
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_177);
+return x_180;
 }
 }
 else
 {
-lean_object* x_180; lean_object* x_181; lean_object* x_182; uint8_t x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; 
-x_180 = lean_ctor_get(x_143, 1);
-x_181 = lean_ctor_get(x_143, 2);
-x_182 = lean_ctor_get(x_143, 3);
+lean_object* x_181; lean_object* x_182; lean_object* x_183; uint8_t x_184; lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+x_181 = lean_ctor_get(x_144, 1);
+x_182 = lean_ctor_get(x_144, 2);
+x_183 = lean_ctor_get(x_144, 3);
+lean_inc(x_183);
 lean_inc(x_182);
 lean_inc(x_181);
-lean_inc(x_180);
-lean_dec(x_143);
-x_183 = lean_ctor_get_uint8(x_145, sizeof(void*)*8);
-if (lean_is_exclusive(x_145)) {
- lean_ctor_release(x_145, 0);
- lean_ctor_release(x_145, 1);
- lean_ctor_release(x_145, 2);
- lean_ctor_release(x_145, 3);
- lean_ctor_release(x_145, 4);
- lean_ctor_release(x_145, 5);
- lean_ctor_release(x_145, 6);
- lean_ctor_release(x_145, 7);
- x_184 = x_145;
+lean_dec(x_144);
+x_184 = lean_ctor_get_uint8(x_146, sizeof(void*)*8);
+if (lean_is_exclusive(x_146)) {
+ lean_ctor_release(x_146, 0);
+ lean_ctor_release(x_146, 1);
+ lean_ctor_release(x_146, 2);
+ lean_ctor_release(x_146, 3);
+ lean_ctor_release(x_146, 4);
+ lean_ctor_release(x_146, 5);
+ lean_ctor_release(x_146, 6);
+ lean_ctor_release(x_146, 7);
+ x_185 = x_146;
 } else {
- lean_dec_ref(x_145);
- x_184 = lean_box(0);
+ lean_dec_ref(x_146);
+ x_185 = lean_box(0);
 }
-if (lean_is_scalar(x_184)) {
- x_185 = lean_alloc_ctor(0, 8, 1);
+if (lean_is_scalar(x_185)) {
+ x_186 = lean_alloc_ctor(0, 8, 1);
 } else {
- x_185 = x_184;
+ x_186 = x_185;
 }
-lean_ctor_set(x_185, 0, x_147);
-lean_ctor_set(x_185, 1, x_148);
-lean_ctor_set(x_185, 2, x_149);
-lean_ctor_set(x_185, 3, x_150);
-lean_ctor_set(x_185, 4, x_151);
-lean_ctor_set(x_185, 5, x_152);
-lean_ctor_set(x_185, 6, x_153);
-lean_ctor_set(x_185, 7, x_154);
-lean_ctor_set_uint8(x_185, sizeof(void*)*8, x_183);
-x_186 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_186, 0, x_185);
-lean_ctor_set(x_186, 1, x_180);
-lean_ctor_set(x_186, 2, x_181);
-lean_ctor_set(x_186, 3, x_182);
-x_187 = lean_st_ref_set(x_7, x_186, x_146);
-x_188 = lean_ctor_get(x_187, 1);
-lean_inc(x_188);
-if (lean_is_exclusive(x_187)) {
- lean_ctor_release(x_187, 0);
- lean_ctor_release(x_187, 1);
- x_189 = x_187;
+lean_ctor_set(x_186, 0, x_148);
+lean_ctor_set(x_186, 1, x_149);
+lean_ctor_set(x_186, 2, x_150);
+lean_ctor_set(x_186, 3, x_151);
+lean_ctor_set(x_186, 4, x_152);
+lean_ctor_set(x_186, 5, x_153);
+lean_ctor_set(x_186, 6, x_154);
+lean_ctor_set(x_186, 7, x_155);
+lean_ctor_set_uint8(x_186, sizeof(void*)*8, x_184);
+x_187 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_187, 0, x_186);
+lean_ctor_set(x_187, 1, x_181);
+lean_ctor_set(x_187, 2, x_182);
+lean_ctor_set(x_187, 3, x_183);
+x_188 = lean_st_ref_set(x_8, x_187, x_147);
+x_189 = lean_ctor_get(x_188, 1);
+lean_inc(x_189);
+if (lean_is_exclusive(x_188)) {
+ lean_ctor_release(x_188, 0);
+ lean_ctor_release(x_188, 1);
+ x_190 = x_188;
 } else {
- lean_dec_ref(x_187);
- x_189 = lean_box(0);
+ lean_dec_ref(x_188);
+ x_190 = lean_box(0);
 }
-x_190 = lean_box(x_137);
-if (lean_is_scalar(x_189)) {
- x_191 = lean_alloc_ctor(0, 2, 0);
+x_191 = lean_box(x_138);
+if (lean_is_scalar(x_190)) {
+ x_192 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_191 = x_189;
+ x_192 = x_190;
 }
-lean_ctor_set(x_191, 0, x_190);
-lean_ctor_set(x_191, 1, x_188);
-return x_191;
+lean_ctor_set(x_192, 0, x_191);
+lean_ctor_set(x_192, 1, x_189);
+return x_192;
 }
 }
 else
 {
-lean_object* x_192; uint8_t x_193; 
-x_192 = lean_ctor_get(x_142, 1);
-lean_inc(x_192);
-lean_dec(x_142);
-x_193 = !lean_is_exclusive(x_139);
-if (x_193 == 0)
-{
-uint8_t x_194; 
-x_194 = !lean_is_exclusive(x_143);
+lean_object* x_193; uint8_t x_194; 
+x_193 = lean_ctor_get(x_143, 1);
+lean_inc(x_193);
+lean_dec(x_143);
+x_194 = !lean_is_exclusive(x_140);
 if (x_194 == 0)
 {
-lean_object* x_195; uint8_t x_196; lean_object* x_197; uint8_t x_198; 
-x_195 = lean_ctor_get(x_143, 0);
-lean_dec(x_195);
-x_196 = 1;
-lean_ctor_set_uint8(x_139, sizeof(void*)*8, x_196);
-lean_ctor_set(x_143, 0, x_139);
-x_197 = lean_st_ref_set(x_7, x_143, x_192);
-x_198 = !lean_is_exclusive(x_197);
-if (x_198 == 0)
+uint8_t x_195; 
+x_195 = !lean_is_exclusive(x_144);
+if (x_195 == 0)
 {
-lean_object* x_199; lean_object* x_200; 
-x_199 = lean_ctor_get(x_197, 0);
-lean_dec(x_199);
-x_200 = lean_box(x_137);
-lean_ctor_set(x_197, 0, x_200);
-return x_197;
+lean_object* x_196; uint8_t x_197; lean_object* x_198; uint8_t x_199; 
+x_196 = lean_ctor_get(x_144, 0);
+lean_dec(x_196);
+x_197 = 1;
+lean_ctor_set_uint8(x_140, sizeof(void*)*8, x_197);
+lean_ctor_set(x_144, 0, x_140);
+x_198 = lean_st_ref_set(x_8, x_144, x_193);
+x_199 = !lean_is_exclusive(x_198);
+if (x_199 == 0)
+{
+lean_object* x_200; lean_object* x_201; 
+x_200 = lean_ctor_get(x_198, 0);
+lean_dec(x_200);
+x_201 = lean_box(x_138);
+lean_ctor_set(x_198, 0, x_201);
+return x_198;
 }
 else
 {
-lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_201 = lean_ctor_get(x_197, 1);
-lean_inc(x_201);
-lean_dec(x_197);
-x_202 = lean_box(x_137);
-x_203 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_203, 0, x_202);
-lean_ctor_set(x_203, 1, x_201);
-return x_203;
+lean_object* x_202; lean_object* x_203; lean_object* x_204; 
+x_202 = lean_ctor_get(x_198, 1);
+lean_inc(x_202);
+lean_dec(x_198);
+x_203 = lean_box(x_138);
+x_204 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_204, 0, x_203);
+lean_ctor_set(x_204, 1, x_202);
+return x_204;
 }
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; uint8_t x_207; lean_object* x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; 
-x_204 = lean_ctor_get(x_143, 1);
-x_205 = lean_ctor_get(x_143, 2);
-x_206 = lean_ctor_get(x_143, 3);
+lean_object* x_205; lean_object* x_206; lean_object* x_207; uint8_t x_208; lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; lean_object* x_213; lean_object* x_214; 
+x_205 = lean_ctor_get(x_144, 1);
+x_206 = lean_ctor_get(x_144, 2);
+x_207 = lean_ctor_get(x_144, 3);
+lean_inc(x_207);
 lean_inc(x_206);
 lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_143);
-x_207 = 1;
-lean_ctor_set_uint8(x_139, sizeof(void*)*8, x_207);
-x_208 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_208, 0, x_139);
-lean_ctor_set(x_208, 1, x_204);
-lean_ctor_set(x_208, 2, x_205);
-lean_ctor_set(x_208, 3, x_206);
-x_209 = lean_st_ref_set(x_7, x_208, x_192);
-x_210 = lean_ctor_get(x_209, 1);
-lean_inc(x_210);
-if (lean_is_exclusive(x_209)) {
- lean_ctor_release(x_209, 0);
- lean_ctor_release(x_209, 1);
- x_211 = x_209;
+lean_dec(x_144);
+x_208 = 1;
+lean_ctor_set_uint8(x_140, sizeof(void*)*8, x_208);
+x_209 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_209, 0, x_140);
+lean_ctor_set(x_209, 1, x_205);
+lean_ctor_set(x_209, 2, x_206);
+lean_ctor_set(x_209, 3, x_207);
+x_210 = lean_st_ref_set(x_8, x_209, x_193);
+x_211 = lean_ctor_get(x_210, 1);
+lean_inc(x_211);
+if (lean_is_exclusive(x_210)) {
+ lean_ctor_release(x_210, 0);
+ lean_ctor_release(x_210, 1);
+ x_212 = x_210;
 } else {
- lean_dec_ref(x_209);
- x_211 = lean_box(0);
+ lean_dec_ref(x_210);
+ x_212 = lean_box(0);
 }
-x_212 = lean_box(x_137);
-if (lean_is_scalar(x_211)) {
- x_213 = lean_alloc_ctor(0, 2, 0);
+x_213 = lean_box(x_138);
+if (lean_is_scalar(x_212)) {
+ x_214 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_213 = x_211;
+ x_214 = x_212;
 }
-lean_ctor_set(x_213, 0, x_212);
-lean_ctor_set(x_213, 1, x_210);
-return x_213;
+lean_ctor_set(x_214, 0, x_213);
+lean_ctor_set(x_214, 1, x_211);
+return x_214;
 }
 }
 else
 {
-lean_object* x_214; lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; uint8_t x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; 
-x_214 = lean_ctor_get(x_139, 0);
-x_215 = lean_ctor_get(x_139, 1);
-x_216 = lean_ctor_get(x_139, 2);
-x_217 = lean_ctor_get(x_139, 3);
-x_218 = lean_ctor_get(x_139, 4);
-x_219 = lean_ctor_get(x_139, 5);
-x_220 = lean_ctor_get(x_139, 6);
-x_221 = lean_ctor_get(x_139, 7);
+lean_object* x_215; lean_object* x_216; lean_object* x_217; lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; uint8_t x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; 
+x_215 = lean_ctor_get(x_140, 0);
+x_216 = lean_ctor_get(x_140, 1);
+x_217 = lean_ctor_get(x_140, 2);
+x_218 = lean_ctor_get(x_140, 3);
+x_219 = lean_ctor_get(x_140, 4);
+x_220 = lean_ctor_get(x_140, 5);
+x_221 = lean_ctor_get(x_140, 6);
+x_222 = lean_ctor_get(x_140, 7);
+lean_inc(x_222);
 lean_inc(x_221);
 lean_inc(x_220);
 lean_inc(x_219);
@@ -13126,124 +13743,123 @@ lean_inc(x_218);
 lean_inc(x_217);
 lean_inc(x_216);
 lean_inc(x_215);
-lean_inc(x_214);
-lean_dec(x_139);
-x_222 = lean_ctor_get(x_143, 1);
-lean_inc(x_222);
-x_223 = lean_ctor_get(x_143, 2);
+lean_dec(x_140);
+x_223 = lean_ctor_get(x_144, 1);
 lean_inc(x_223);
-x_224 = lean_ctor_get(x_143, 3);
+x_224 = lean_ctor_get(x_144, 2);
 lean_inc(x_224);
-if (lean_is_exclusive(x_143)) {
- lean_ctor_release(x_143, 0);
- lean_ctor_release(x_143, 1);
- lean_ctor_release(x_143, 2);
- lean_ctor_release(x_143, 3);
- x_225 = x_143;
+x_225 = lean_ctor_get(x_144, 3);
+lean_inc(x_225);
+if (lean_is_exclusive(x_144)) {
+ lean_ctor_release(x_144, 0);
+ lean_ctor_release(x_144, 1);
+ lean_ctor_release(x_144, 2);
+ lean_ctor_release(x_144, 3);
+ x_226 = x_144;
 } else {
- lean_dec_ref(x_143);
- x_225 = lean_box(0);
+ lean_dec_ref(x_144);
+ x_226 = lean_box(0);
 }
-x_226 = 1;
-x_227 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_227, 0, x_214);
-lean_ctor_set(x_227, 1, x_215);
-lean_ctor_set(x_227, 2, x_216);
-lean_ctor_set(x_227, 3, x_217);
-lean_ctor_set(x_227, 4, x_218);
-lean_ctor_set(x_227, 5, x_219);
-lean_ctor_set(x_227, 6, x_220);
-lean_ctor_set(x_227, 7, x_221);
-lean_ctor_set_uint8(x_227, sizeof(void*)*8, x_226);
-if (lean_is_scalar(x_225)) {
- x_228 = lean_alloc_ctor(0, 4, 0);
+x_227 = 1;
+x_228 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_228, 0, x_215);
+lean_ctor_set(x_228, 1, x_216);
+lean_ctor_set(x_228, 2, x_217);
+lean_ctor_set(x_228, 3, x_218);
+lean_ctor_set(x_228, 4, x_219);
+lean_ctor_set(x_228, 5, x_220);
+lean_ctor_set(x_228, 6, x_221);
+lean_ctor_set(x_228, 7, x_222);
+lean_ctor_set_uint8(x_228, sizeof(void*)*8, x_227);
+if (lean_is_scalar(x_226)) {
+ x_229 = lean_alloc_ctor(0, 4, 0);
 } else {
- x_228 = x_225;
+ x_229 = x_226;
 }
-lean_ctor_set(x_228, 0, x_227);
-lean_ctor_set(x_228, 1, x_222);
-lean_ctor_set(x_228, 2, x_223);
-lean_ctor_set(x_228, 3, x_224);
-x_229 = lean_st_ref_set(x_7, x_228, x_192);
-x_230 = lean_ctor_get(x_229, 1);
-lean_inc(x_230);
-if (lean_is_exclusive(x_229)) {
- lean_ctor_release(x_229, 0);
- lean_ctor_release(x_229, 1);
- x_231 = x_229;
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_223);
+lean_ctor_set(x_229, 2, x_224);
+lean_ctor_set(x_229, 3, x_225);
+x_230 = lean_st_ref_set(x_8, x_229, x_193);
+x_231 = lean_ctor_get(x_230, 1);
+lean_inc(x_231);
+if (lean_is_exclusive(x_230)) {
+ lean_ctor_release(x_230, 0);
+ lean_ctor_release(x_230, 1);
+ x_232 = x_230;
 } else {
- lean_dec_ref(x_229);
- x_231 = lean_box(0);
+ lean_dec_ref(x_230);
+ x_232 = lean_box(0);
 }
-x_232 = lean_box(x_137);
-if (lean_is_scalar(x_231)) {
- x_233 = lean_alloc_ctor(0, 2, 0);
+x_233 = lean_box(x_138);
+if (lean_is_scalar(x_232)) {
+ x_234 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_233 = x_231;
+ x_234 = x_232;
 }
-lean_ctor_set(x_233, 0, x_232);
-lean_ctor_set(x_233, 1, x_230);
-return x_233;
+lean_ctor_set(x_234, 0, x_233);
+lean_ctor_set(x_234, 1, x_231);
+return x_234;
 }
 }
 }
-block_248:
+block_249:
 {
-if (x_235 == 0)
-{
-uint8_t x_237; 
-x_237 = l_Lean_Expr_hasFVar(x_130);
-if (x_237 == 0)
+if (x_236 == 0)
 {
 uint8_t x_238; 
-x_238 = l_Lean_Expr_hasMVar(x_130);
+x_238 = l_Lean_Expr_hasFVar(x_131);
 if (x_238 == 0)
 {
 uint8_t x_239; 
-lean_dec(x_130);
-x_239 = 0;
-x_137 = x_239;
-x_138 = x_236;
-goto block_234;
+x_239 = l_Lean_Expr_hasMVar(x_131);
+if (x_239 == 0)
+{
+uint8_t x_240; 
+lean_dec(x_131);
+x_240 = 0;
+x_138 = x_240;
+x_139 = x_237;
+goto block_235;
 }
 else
 {
-lean_object* x_240; lean_object* x_241; lean_object* x_242; uint8_t x_243; 
-x_240 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__19(x_2, x_130, x_236);
-x_241 = lean_ctor_get(x_240, 0);
-lean_inc(x_241);
-x_242 = lean_ctor_get(x_240, 1);
+lean_object* x_241; lean_object* x_242; lean_object* x_243; uint8_t x_244; 
+x_241 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__19(x_2, x_131, x_237);
+x_242 = lean_ctor_get(x_241, 0);
 lean_inc(x_242);
-lean_dec(x_240);
-x_243 = lean_unbox(x_241);
+x_243 = lean_ctor_get(x_241, 1);
+lean_inc(x_243);
 lean_dec(x_241);
-x_137 = x_243;
-x_138 = x_242;
-goto block_234;
+x_244 = lean_unbox(x_242);
+lean_dec(x_242);
+x_138 = x_244;
+x_139 = x_243;
+goto block_235;
 }
 }
 else
 {
-lean_object* x_244; lean_object* x_245; lean_object* x_246; uint8_t x_247; 
-x_244 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__27(x_2, x_130, x_236);
-x_245 = lean_ctor_get(x_244, 0);
-lean_inc(x_245);
-x_246 = lean_ctor_get(x_244, 1);
+lean_object* x_245; lean_object* x_246; lean_object* x_247; uint8_t x_248; 
+x_245 = l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__27(x_2, x_131, x_237);
+x_246 = lean_ctor_get(x_245, 0);
 lean_inc(x_246);
-lean_dec(x_244);
-x_247 = lean_unbox(x_245);
+x_247 = lean_ctor_get(x_245, 1);
+lean_inc(x_247);
 lean_dec(x_245);
-x_137 = x_247;
-x_138 = x_246;
-goto block_234;
+x_248 = lean_unbox(x_246);
+lean_dec(x_246);
+x_138 = x_248;
+x_139 = x_247;
+goto block_235;
 }
 }
 else
 {
-lean_dec(x_130);
-x_137 = x_235;
+lean_dec(x_131);
 x_138 = x_236;
-goto block_234;
+x_139 = x_237;
+goto block_235;
 }
 }
 }
@@ -13272,189 +13888,189 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
+LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17, lean_object* x_18) {
 _start:
 {
-uint8_t x_18; 
-x_18 = lean_nat_dec_le(x_7, x_6);
-if (x_18 == 0)
+uint8_t x_19; 
+x_19 = lean_nat_dec_le(x_7, x_6);
+if (x_19 == 0)
 {
-lean_object* x_19; uint8_t x_20; 
-x_19 = lean_unsigned_to_nat(0u);
-x_20 = lean_nat_dec_eq(x_5, x_19);
-if (x_20 == 0)
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_unsigned_to_nat(0u);
+x_21 = lean_nat_dec_eq(x_5, x_20);
+if (x_21 == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
 lean_dec(x_9);
-x_21 = lean_unsigned_to_nat(1u);
-x_22 = lean_nat_sub(x_5, x_21);
+x_22 = lean_unsigned_to_nat(1u);
+x_23 = lean_nat_sub(x_5, x_22);
 lean_dec(x_5);
-x_23 = l_Lean_instInhabitedExpr;
-x_24 = lean_array_get(x_23, x_2, x_6);
-x_25 = l_Lean_Expr_fvarId_x21(x_24);
-lean_inc(x_13);
-x_26 = l_Lean_Meta_getLocalDecl(x_25, x_13, x_14, x_15, x_16, x_17);
-if (lean_obj_tag(x_26) == 0)
+x_24 = l_Lean_instInhabitedExpr;
+x_25 = lean_array_get(x_24, x_2, x_6);
+x_26 = l_Lean_Expr_fvarId_x21(x_25);
+lean_inc(x_14);
+x_27 = l_Lean_Meta_getLocalDecl(x_26, x_14, x_15, x_16, x_17, x_18);
+if (lean_obj_tag(x_27) == 0)
 {
-lean_object* x_27; lean_object* x_28; uint8_t x_29; uint8_t x_30; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
+lean_object* x_28; lean_object* x_29; uint8_t x_30; uint8_t x_31; 
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_26);
-x_29 = 0;
-x_30 = l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1(x_27, x_29, x_1);
-if (x_30 == 0)
-{
-lean_object* x_31; 
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
 lean_dec(x_27);
-x_31 = lean_nat_add(x_6, x_8);
+x_30 = 0;
+x_31 = l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1(x_28, x_30, x_1);
+if (x_31 == 0)
+{
+lean_object* x_32; 
+lean_dec(x_28);
+x_32 = lean_nat_add(x_6, x_8);
 lean_dec(x_6);
 lean_inc(x_4);
 {
-lean_object* _tmp_4 = x_22;
-lean_object* _tmp_5 = x_31;
+lean_object* _tmp_4 = x_23;
+lean_object* _tmp_5 = x_32;
 lean_object* _tmp_8 = x_4;
-lean_object* _tmp_16 = x_28;
+lean_object* _tmp_17 = x_29;
 x_5 = _tmp_4;
 x_6 = _tmp_5;
 x_9 = _tmp_8;
-x_17 = _tmp_16;
+x_18 = _tmp_17;
 }
 goto _start;
 }
 else
 {
-lean_object* x_33; lean_object* x_34; lean_object* x_35; uint8_t x_36; 
+lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
 lean_inc(x_3);
-x_33 = l_Lean_Expr_fvarId_x21(x_3);
-x_34 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(x_27, x_33, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_28);
-lean_dec(x_33);
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_unbox(x_35);
-lean_dec(x_35);
-if (x_36 == 0)
-{
-lean_object* x_37; lean_object* x_38; 
-x_37 = lean_ctor_get(x_34, 1);
-lean_inc(x_37);
+x_34 = l_Lean_Expr_fvarId_x21(x_3);
+x_35 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(x_28, x_34, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_29);
 lean_dec(x_34);
-x_38 = lean_nat_add(x_6, x_8);
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_unbox(x_36);
+lean_dec(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_35, 1);
+lean_inc(x_38);
+lean_dec(x_35);
+x_39 = lean_nat_add(x_6, x_8);
 lean_dec(x_6);
 lean_inc(x_4);
 {
-lean_object* _tmp_4 = x_22;
-lean_object* _tmp_5 = x_38;
+lean_object* _tmp_4 = x_23;
+lean_object* _tmp_5 = x_39;
 lean_object* _tmp_8 = x_4;
-lean_object* _tmp_16 = x_37;
+lean_object* _tmp_17 = x_38;
 x_5 = _tmp_4;
 x_6 = _tmp_5;
 x_9 = _tmp_8;
-x_17 = _tmp_16;
+x_18 = _tmp_17;
 }
 goto _start;
 }
 else
 {
-uint8_t x_40; 
-lean_dec(x_22);
-lean_dec(x_13);
+uint8_t x_41; 
+lean_dec(x_23);
+lean_dec(x_14);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_40 = !lean_is_exclusive(x_34);
-if (x_40 == 0)
+x_41 = !lean_is_exclusive(x_35);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_34, 0);
-lean_dec(x_41);
-x_42 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__2;
-lean_ctor_set(x_34, 0, x_42);
-return x_34;
+lean_object* x_42; lean_object* x_43; 
+x_42 = lean_ctor_get(x_35, 0);
+lean_dec(x_42);
+x_43 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__2;
+lean_ctor_set(x_35, 0, x_43);
+return x_35;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_34, 1);
-lean_inc(x_43);
-lean_dec(x_34);
-x_44 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__2;
-x_45 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_43);
-return x_45;
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_35, 1);
+lean_inc(x_44);
+lean_dec(x_35);
+x_45 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___closed__2;
+x_46 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_44);
+return x_46;
 }
 }
 }
 }
 else
 {
-uint8_t x_46; 
-lean_dec(x_22);
-lean_dec(x_13);
+uint8_t x_47; 
+lean_dec(x_23);
+lean_dec(x_14);
 lean_dec(x_6);
 lean_dec(x_4);
 lean_dec(x_3);
-x_46 = !lean_is_exclusive(x_26);
-if (x_46 == 0)
+x_47 = !lean_is_exclusive(x_27);
+if (x_47 == 0)
 {
-return x_26;
+return x_27;
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_26, 0);
-x_48 = lean_ctor_get(x_26, 1);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_27, 0);
+x_49 = lean_ctor_get(x_27, 1);
+lean_inc(x_49);
 lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_26);
-x_49 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-return x_49;
-}
-}
-}
-else
-{
-lean_object* x_50; 
-lean_dec(x_13);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_50 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_50, 0, x_9);
-lean_ctor_set(x_50, 1, x_17);
+lean_dec(x_27);
+x_50 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
 return x_50;
 }
 }
+}
 else
 {
 lean_object* x_51; 
-lean_dec(x_13);
+lean_dec(x_14);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 x_51 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_51, 0, x_9);
-lean_ctor_set(x_51, 1, x_17);
+lean_ctor_set(x_51, 1, x_18);
 return x_51;
 }
 }
+else
+{
+lean_object* x_52; 
+lean_dec(x_14);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_9);
+lean_ctor_set(x_52, 1, x_18);
+return x_52;
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = 0;
-x_11 = lean_box(x_10);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_9);
-return x_12;
+uint8_t x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = 0;
+x_12 = lean_box(x_11);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_10);
+return x_13;
 }
 }
 static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__1() {
@@ -13473,46 +14089,47 @@ static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArg
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed), 9, 0);
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed), 10, 0);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_12 = l_Lean_instInhabitedExpr;
-x_13 = lean_unsigned_to_nat(0u);
-x_14 = lean_array_get(x_12, x_2, x_13);
-x_15 = lean_array_get_size(x_2);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__1;
-x_17 = lean_unsigned_to_nat(1u);
-lean_inc(x_7);
-lean_inc(x_15);
-x_18 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(x_1, x_2, x_14, x_16, x_15, x_17, x_15, x_17, x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
-lean_dec(x_15);
-if (lean_obj_tag(x_18) == 0)
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_13 = l_Lean_instInhabitedExpr;
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_get(x_13, x_2, x_14);
+x_16 = lean_array_get_size(x_2);
+x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__1;
+x_18 = lean_unsigned_to_nat(1u);
+lean_inc(x_8);
+lean_inc(x_16);
+x_19 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(x_1, x_2, x_15, x_17, x_16, x_18, x_16, x_18, x_17, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
+lean_dec(x_16);
+if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_19; lean_object* x_20; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
+lean_object* x_20; lean_object* x_21; 
 x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
-lean_dec(x_19);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_21 = lean_ctor_get(x_18, 1);
+x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
-lean_dec(x_18);
-x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2;
-x_23 = lean_box(0);
-x_24 = lean_apply_9(x_22, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
-return x_24;
+lean_dec(x_20);
+if (lean_obj_tag(x_21) == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2;
+x_24 = lean_box(0);
+x_25 = lean_apply_10(x_23, x_24, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_22);
+return x_25;
 }
 else
 {
-uint8_t x_25; 
+uint8_t x_26; 
+lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -13520,156 +14137,159 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_25 = !lean_is_exclusive(x_18);
-if (x_25 == 0)
+x_26 = !lean_is_exclusive(x_19);
+if (x_26 == 0)
 {
-lean_object* x_26; lean_object* x_27; 
-x_26 = lean_ctor_get(x_18, 0);
-lean_dec(x_26);
-x_27 = lean_ctor_get(x_20, 0);
-lean_inc(x_27);
-lean_dec(x_20);
-lean_ctor_set(x_18, 0, x_27);
-return x_18;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_18, 1);
+lean_object* x_27; lean_object* x_28; 
+x_27 = lean_ctor_get(x_19, 0);
+lean_dec(x_27);
+x_28 = lean_ctor_get(x_21, 0);
 lean_inc(x_28);
-lean_dec(x_18);
-x_29 = lean_ctor_get(x_20, 0);
-lean_inc(x_29);
-lean_dec(x_20);
-x_30 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_28);
-return x_30;
-}
-}
-}
-else
-{
-uint8_t x_31; 
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_31 = !lean_is_exclusive(x_18);
-if (x_31 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_18, 0);
-x_33 = lean_ctor_get(x_18, 1);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_18);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_9 = lean_st_ref_get(x_7, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_1, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_11, 1);
-x_15 = lean_ctor_get(x_13, 3);
-lean_inc(x_15);
-x_16 = l_List_isEmpty___rarg(x_15);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-lean_free_object(x_11);
-x_17 = lean_ctor_get(x_13, 1);
-lean_inc(x_17);
-lean_dec(x_13);
-x_18 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed), 11, 1);
-lean_closure_set(x_18, 0, x_15);
-x_19 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_17, x_18, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_14);
+lean_dec(x_21);
+lean_ctor_set(x_19, 0, x_28);
 return x_19;
 }
 else
 {
-uint8_t x_20; lean_object* x_21; 
-lean_dec(x_15);
-lean_dec(x_13);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_20 = 0;
-x_21 = lean_box(x_20);
-lean_ctor_set(x_11, 0, x_21);
-return x_11;
-}
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
-x_22 = lean_ctor_get(x_11, 0);
-x_23 = lean_ctor_get(x_11, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_11);
-x_24 = lean_ctor_get(x_22, 3);
-lean_inc(x_24);
-x_25 = l_List_isEmpty___rarg(x_24);
-if (x_25 == 0)
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_26 = lean_ctor_get(x_22, 1);
-lean_inc(x_26);
-lean_dec(x_22);
-x_27 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed), 11, 1);
-lean_closure_set(x_27, 0, x_24);
-x_28 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_26, x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_23);
-return x_28;
-}
-else
-{
-uint8_t x_29; lean_object* x_30; lean_object* x_31; 
-lean_dec(x_24);
-lean_dec(x_22);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_29 = 0;
-x_30 = lean_box(x_29);
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_19, 1);
+lean_inc(x_29);
+lean_dec(x_19);
+x_30 = lean_ctor_get(x_21, 0);
+lean_inc(x_30);
+lean_dec(x_21);
 x_31 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_23);
+lean_ctor_set(x_31, 1, x_29);
 return x_31;
 }
 }
 }
+else
+{
+uint8_t x_32; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+x_32 = !lean_is_exclusive(x_19);
+if (x_32 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_19, 0);
+x_34 = lean_ctor_get(x_19, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_19);
+x_35 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_35, 0, x_33);
+lean_ctor_set(x_35, 1, x_34);
+return x_35;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_10 = lean_st_ref_get(x_8, x_9);
+x_11 = lean_ctor_get(x_10, 1);
+lean_inc(x_11);
+lean_dec(x_10);
+x_12 = lean_st_ref_get(x_2, x_11);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_14 = lean_ctor_get(x_12, 0);
+x_15 = lean_ctor_get(x_12, 1);
+x_16 = lean_ctor_get(x_14, 3);
+lean_inc(x_16);
+x_17 = l_List_isEmpty___rarg(x_16);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_free_object(x_12);
+x_18 = lean_ctor_get(x_14, 1);
+lean_inc(x_18);
+lean_dec(x_14);
+x_19 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed), 12, 1);
+lean_closure_set(x_19, 0, x_16);
+x_20 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_18, x_19, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
+return x_20;
+}
+else
+{
+uint8_t x_21; lean_object* x_22; 
+lean_dec(x_16);
+lean_dec(x_14);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_21 = 0;
+x_22 = lean_box(x_21);
+lean_ctor_set(x_12, 0, x_22);
+return x_12;
+}
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_23 = lean_ctor_get(x_12, 0);
+x_24 = lean_ctor_get(x_12, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_12);
+x_25 = lean_ctor_get(x_23, 3);
+lean_inc(x_25);
+x_26 = l_List_isEmpty___rarg(x_25);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_23, 1);
+lean_inc(x_27);
+lean_dec(x_23);
+x_28 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed), 12, 1);
+lean_closure_set(x_28, 0, x_25);
+x_29 = l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasOptAutoParams___spec__2___rarg(x_27, x_28, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_24);
+return x_29;
+}
+else
+{
+uint8_t x_30; lean_object* x_31; lean_object* x_32; 
+lean_dec(x_25);
+lean_dec(x_23);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_30 = 0;
+x_31 = lean_box(x_30);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_24);
+return x_32;
+}
+}
+}
 }
 LEAN_EXPORT lean_object* l_List_foldr___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
@@ -14236,11 +14856,12 @@ lean_dec(x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_11; 
-x_11 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_object* x_12; 
+x_12 = l_Lean_localDeclDependsOn___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -14249,7 +14870,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_11;
+return x_12;
 }
 }
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51___boxed(lean_object** _args) {
@@ -14270,13 +14891,15 @@ lean_object* x_14 = _args[13];
 lean_object* x_15 = _args[14];
 lean_object* x_16 = _args[15];
 lean_object* x_17 = _args[16];
+lean_object* x_18 = _args[17];
 _start:
 {
-lean_object* x_18; 
-x_18 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17);
+lean_object* x_19; 
+x_19 = l_Std_Range_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___spec__51(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16, x_17, x_18);
+lean_dec(x_17);
 lean_dec(x_16);
 lean_dec(x_15);
-lean_dec(x_14);
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -14284,14 +14907,15 @@ lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_2);
 lean_dec(x_1);
-return x_18;
+return x_19;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_object* x_11; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -14300,21 +14924,21 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-return x_10;
+return x_11;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
-lean_object* x_12; 
-x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_object* x_13; 
+x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-return x_12;
+return x_13;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
@@ -14422,11 +15046,19 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -14437,7 +15069,16 @@ lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
@@ -14931,11 +15572,19 @@ return x_136;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg___boxed), 8, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
 lean_object* x_9; 
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -14946,87 +15595,698 @@ lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; 
-x_11 = lean_apply_9(x_1, x_5, x_2, x_3, x_4, x_6, x_7, x_8, x_9, x_10);
-return x_11;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
-_start:
-{
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1), 10, 4);
-lean_closure_set(x_13, 0, x_4);
-lean_closure_set(x_13, 1, x_5);
-lean_closure_set(x_13, 2, x_6);
-lean_closure_set(x_13, 3, x_7);
-x_14 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_13, x_8, x_9, x_10, x_11, x_12);
-if (lean_obj_tag(x_14) == 0)
-{
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_14);
-if (x_15 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_16 = lean_ctor_get(x_14, 0);
-x_17 = lean_ctor_get(x_14, 1);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_dec(x_14);
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_16);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
-}
-}
-else
-{
-uint8_t x_19; 
-x_19 = !lean_is_exclusive(x_14);
-if (x_19 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_14, 0);
-x_21 = lean_ctor_get(x_14, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_14);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1(lean_object* x_1) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed), 12, 0);
+x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(x_1);
+lean_dec(x_1);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+LEAN_EXPORT uint8_t l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType(lean_object* x_1, lean_object* x_2) {
 _start:
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
-x_11 = lean_st_ref_get(x_9, x_10);
-x_12 = lean_ctor_get(x_11, 1);
+switch (lean_obj_tag(x_1)) {
+case 0:
+{
+lean_object* x_3; uint8_t x_4; 
+x_3 = lean_ctor_get(x_1, 0);
+x_4 = lean_nat_dec_eq(x_3, x_2);
+lean_dec(x_2);
+return x_4;
+}
+case 7:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; 
+x_5 = lean_ctor_get(x_1, 2);
+x_6 = lean_unsigned_to_nat(1u);
+x_7 = lean_nat_add(x_2, x_6);
+lean_dec(x_2);
+x_1 = x_5;
+x_2 = x_7;
+goto _start;
+}
+default: 
+{
+uint8_t x_9; 
+lean_dec(x_2);
+x_9 = 0;
+return x_9;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType(x_1, x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+lean_dec(x_2);
+x_6 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams(x_1, x_3, x_4, x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+if (lean_obj_tag(x_1) == 7)
+{
+lean_object* x_5; lean_object* x_6; uint64_t x_7; uint8_t x_8; uint8_t x_9; 
+x_5 = lean_ctor_get(x_1, 1);
+x_6 = lean_ctor_get(x_1, 2);
+x_7 = lean_ctor_get_uint64(x_1, sizeof(void*)*3);
+x_8 = (uint8_t)((x_7 << 24) >> 61);
+x_9 = l_Lean_BinderInfo_isInstImplicit(x_8);
+if (x_9 == 0)
+{
+x_1 = x_6;
+goto _start;
+}
+else
+{
+lean_object* x_11; 
+x_11 = l_Lean_Expr_getAppFn(x_5);
+if (lean_obj_tag(x_11) == 4)
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
 lean_dec(x_11);
-x_13 = lean_st_ref_take(x_3, x_12);
+x_13 = lean_st_ref_get(x_3, x_4);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+x_17 = lean_ctor_get(x_15, 0);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = lean_has_out_params(x_17, x_12);
+if (x_18 == 0)
+{
+lean_free_object(x_13);
+x_1 = x_6;
+x_4 = x_16;
+goto _start;
+}
+else
+{
+uint8_t x_20; lean_object* x_21; 
+x_20 = 1;
+x_21 = lean_box(x_20);
+lean_ctor_set(x_13, 0, x_21);
+return x_13;
+}
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+x_22 = lean_ctor_get(x_13, 0);
+x_23 = lean_ctor_get(x_13, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_13);
+x_24 = lean_ctor_get(x_22, 0);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_has_out_params(x_24, x_12);
+if (x_25 == 0)
+{
+x_1 = x_6;
+x_4 = x_23;
+goto _start;
+}
+else
+{
+uint8_t x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = 1;
+x_28 = lean_box(x_27);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_23);
+return x_29;
+}
+}
+}
+else
+{
+lean_dec(x_11);
+x_1 = x_6;
+goto _start;
+}
+}
+}
+else
+{
+uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_4);
+return x_33;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___lambda__1(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_1);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+lean_dec(x_5);
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_1, x_11);
+lean_dec(x_1);
+x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf(x_2, x_12, x_3, x_4, x_6, x_7, x_8, x_9, x_10);
+return x_13;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = lean_array_get_size(x_3);
+x_11 = lean_nat_dec_lt(x_2, x_10);
+lean_dec(x_10);
+if (x_11 == 0)
+{
+uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_12 = 0;
+x_13 = lean_box(x_12);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_9);
+return x_14;
+}
+else
+{
+lean_object* x_15; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_15 = lean_whnf(x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; 
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+if (lean_obj_tag(x_16) == 7)
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+x_18 = lean_ctor_get(x_15, 1);
+x_19 = lean_ctor_get(x_15, 0);
+lean_dec(x_19);
+x_20 = lean_ctor_get(x_16, 1);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_16, 2);
+lean_inc(x_21);
+lean_dec(x_16);
+x_22 = lean_array_fget(x_3, x_2);
+x_23 = lean_expr_eqv(x_22, x_1);
+lean_dec(x_22);
+if (x_23 == 0)
+{
+lean_object* x_24; lean_object* x_25; 
+lean_dec(x_20);
+lean_free_object(x_15);
+x_24 = lean_box(0);
+x_25 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(x_2, x_1, x_3, x_21, x_24, x_5, x_6, x_7, x_8, x_18);
+return x_25;
+}
+else
+{
+uint8_t x_26; 
+x_26 = lean_is_out_param(x_20);
+if (x_26 == 0)
+{
+lean_object* x_27; lean_object* x_28; 
+lean_free_object(x_15);
+x_27 = lean_box(0);
+x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(x_2, x_1, x_3, x_21, x_27, x_5, x_6, x_7, x_8, x_18);
+return x_28;
+}
+else
+{
+uint8_t x_29; lean_object* x_30; 
+lean_dec(x_21);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_29 = 1;
+x_30 = lean_box(x_29);
+lean_ctor_set(x_15, 0, x_30);
+return x_15;
+}
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+x_31 = lean_ctor_get(x_15, 1);
+lean_inc(x_31);
+lean_dec(x_15);
+x_32 = lean_ctor_get(x_16, 1);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_16, 2);
+lean_inc(x_33);
+lean_dec(x_16);
+x_34 = lean_array_fget(x_3, x_2);
+x_35 = lean_expr_eqv(x_34, x_1);
+lean_dec(x_34);
+if (x_35 == 0)
+{
+lean_object* x_36; lean_object* x_37; 
+lean_dec(x_32);
+x_36 = lean_box(0);
+x_37 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(x_2, x_1, x_3, x_33, x_36, x_5, x_6, x_7, x_8, x_31);
+return x_37;
+}
+else
+{
+uint8_t x_38; 
+x_38 = lean_is_out_param(x_32);
+if (x_38 == 0)
+{
+lean_object* x_39; lean_object* x_40; 
+x_39 = lean_box(0);
+x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(x_2, x_1, x_3, x_33, x_39, x_5, x_6, x_7, x_8, x_31);
+return x_40;
+}
+else
+{
+uint8_t x_41; lean_object* x_42; lean_object* x_43; 
+lean_dec(x_33);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_41 = 1;
+x_42 = lean_box(x_41);
+x_43 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_31);
+return x_43;
+}
+}
+}
+}
+else
+{
+uint8_t x_44; 
+lean_dec(x_16);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_44 = !lean_is_exclusive(x_15);
+if (x_44 == 0)
+{
+lean_object* x_45; uint8_t x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_15, 0);
+lean_dec(x_45);
+x_46 = 0;
+x_47 = lean_box(x_46);
+lean_ctor_set(x_15, 0, x_47);
+return x_15;
+}
+else
+{
+lean_object* x_48; uint8_t x_49; lean_object* x_50; lean_object* x_51; 
+x_48 = lean_ctor_get(x_15, 1);
+lean_inc(x_48);
+lean_dec(x_15);
+x_49 = 0;
+x_50 = lean_box(x_49);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_48);
+return x_51;
+}
+}
+}
+else
+{
+uint8_t x_52; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_52 = !lean_is_exclusive(x_15);
+if (x_52 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_15, 0);
+x_54 = lean_ctor_get(x_15, 1);
+lean_inc(x_54);
+lean_inc(x_53);
+lean_dec(x_15);
+x_55 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_3);
+return x_11;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_3);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+lean_dec(x_3);
+x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance(x_1, x_2, x_4, x_5, x_6, x_7, x_8);
+return x_9;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_levelZero;
+x_2 = l_Lean_mkSort(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+if (lean_obj_tag(x_2) == 7)
+{
+lean_object* x_8; lean_object* x_9; uint64_t x_10; uint8_t x_11; uint8_t x_12; 
+x_8 = lean_ctor_get(x_2, 1);
+lean_inc(x_8);
+x_9 = lean_ctor_get(x_2, 2);
+lean_inc(x_9);
+x_10 = lean_ctor_get_uint64(x_2, sizeof(void*)*3);
+lean_dec(x_2);
+x_11 = (uint8_t)((x_10 << 24) >> 61);
+x_12 = l_Lean_BinderInfo_isInstImplicit(x_11);
+if (x_12 == 0)
+{
+lean_dec(x_8);
+x_2 = x_9;
+goto _start;
+}
+else
+{
+lean_object* x_14; 
+x_14 = l_Lean_Expr_getAppFn(x_8);
+if (lean_obj_tag(x_14) == 4)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_st_ref_get(x_6, x_7);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = lean_ctor_get(x_17, 0);
+lean_inc(x_19);
+lean_dec(x_17);
+x_20 = lean_has_out_params(x_19, x_15);
+if (x_20 == 0)
+{
+lean_dec(x_14);
+lean_dec(x_8);
+x_2 = x_9;
+x_7 = x_18;
+goto _start;
+}
+else
+{
+lean_object* x_22; 
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_22 = lean_infer_type(x_14, x_3, x_4, x_5, x_6, x_18);
+if (lean_obj_tag(x_22) == 0)
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_23 = lean_ctor_get(x_22, 0);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = lean_unsigned_to_nat(0u);
+x_26 = l_Lean_Expr_getAppNumArgsAux(x_8, x_25);
+x_27 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1;
+lean_inc(x_26);
+x_28 = lean_mk_array(x_26, x_27);
+x_29 = lean_unsigned_to_nat(1u);
+x_30 = lean_nat_sub(x_26, x_29);
+lean_dec(x_26);
+x_31 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_8, x_28, x_30);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_1);
+x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOf(x_1, x_25, x_31, x_23, x_3, x_4, x_5, x_6, x_24);
+lean_dec(x_31);
+if (lean_obj_tag(x_32) == 0)
+{
+lean_object* x_33; uint8_t x_34; 
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+x_34 = lean_unbox(x_33);
+lean_dec(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; 
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_35);
+lean_dec(x_32);
+x_2 = x_9;
+x_7 = x_35;
+goto _start;
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_9);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_37 = !lean_is_exclusive(x_32);
+if (x_37 == 0)
+{
+lean_object* x_38; uint8_t x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_32, 0);
+lean_dec(x_38);
+x_39 = 1;
+x_40 = lean_box(x_39);
+lean_ctor_set(x_32, 0, x_40);
+return x_32;
+}
+else
+{
+lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; 
+x_41 = lean_ctor_get(x_32, 1);
+lean_inc(x_41);
+lean_dec(x_32);
+x_42 = 1;
+x_43 = lean_box(x_42);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_41);
+return x_44;
+}
+}
+}
+else
+{
+uint8_t x_45; 
+lean_dec(x_9);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_45 = !lean_is_exclusive(x_32);
+if (x_45 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_32, 0);
+x_47 = lean_ctor_get(x_32, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_32);
+x_48 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
+}
+}
+}
+else
+{
+uint8_t x_49; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_49 = !lean_is_exclusive(x_22);
+if (x_49 == 0)
+{
+return x_22;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_22, 0);
+x_51 = lean_ctor_get(x_22, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_22);
+x_52 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+return x_52;
+}
+}
+}
+}
+else
+{
+lean_dec(x_14);
+lean_dec(x_8);
+x_2 = x_9;
+goto _start;
+}
+}
+}
+else
+{
+uint8_t x_54; lean_object* x_55; lean_object* x_56; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_54 = 0;
+x_55 = lean_box(x_54);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_7);
+return x_56;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; 
+x_3 = lean_st_ref_get(x_1, x_2);
+x_4 = lean_ctor_get(x_3, 0);
+lean_inc(x_4);
+x_5 = lean_ctor_get(x_4, 2);
+lean_inc(x_5);
+lean_dec(x_4);
+x_6 = lean_ctor_get(x_3, 1);
+lean_inc(x_6);
+lean_dec(x_3);
+x_7 = !lean_is_exclusive(x_5);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+x_8 = lean_ctor_get(x_5, 0);
+x_9 = lean_ctor_get(x_5, 1);
+lean_inc(x_9);
+lean_inc(x_8);
+x_10 = lean_name_mk_numeral(x_8, x_9);
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_9, x_11);
+lean_dec(x_9);
+lean_ctor_set(x_5, 1, x_12);
+x_13 = lean_st_ref_take(x_1, x_6);
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
 x_15 = lean_ctor_get(x_13, 1);
@@ -15035,137 +16295,664 @@ lean_dec(x_13);
 x_16 = !lean_is_exclusive(x_14);
 if (x_16 == 0)
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_17 = lean_ctor_get(x_14, 5);
-lean_inc(x_2);
-x_18 = lean_array_push(x_17, x_2);
-lean_ctor_set(x_14, 5, x_18);
-x_19 = lean_st_ref_set(x_3, x_14, x_15);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
-x_22 = lean_ctor_get(x_21, 1);
-lean_inc(x_22);
-lean_dec(x_21);
-x_23 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_22);
-return x_23;
+lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_17 = lean_ctor_get(x_14, 2);
+lean_dec(x_17);
+lean_ctor_set(x_14, 2, x_5);
+x_18 = lean_st_ref_set(x_1, x_14, x_15);
+x_19 = !lean_is_exclusive(x_18);
+if (x_19 == 0)
+{
+lean_object* x_20; 
+x_20 = lean_ctor_get(x_18, 0);
+lean_dec(x_20);
+lean_ctor_set(x_18, 0, x_10);
+return x_18;
 }
 else
 {
-uint8_t x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_24 = lean_ctor_get_uint8(x_14, sizeof(void*)*8);
-x_25 = lean_ctor_get(x_14, 0);
-x_26 = lean_ctor_get(x_14, 1);
-x_27 = lean_ctor_get(x_14, 2);
-x_28 = lean_ctor_get(x_14, 3);
-x_29 = lean_ctor_get_uint8(x_14, sizeof(void*)*8 + 1);
-x_30 = lean_ctor_get(x_14, 4);
-x_31 = lean_ctor_get(x_14, 5);
-x_32 = lean_ctor_get(x_14, 6);
-x_33 = lean_ctor_get(x_14, 7);
-x_34 = lean_ctor_get_uint8(x_14, sizeof(void*)*8 + 2);
+lean_object* x_21; lean_object* x_22; 
+x_21 = lean_ctor_get(x_18, 1);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_10);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_23 = lean_ctor_get(x_14, 0);
+x_24 = lean_ctor_get(x_14, 1);
+x_25 = lean_ctor_get(x_14, 3);
+x_26 = lean_ctor_get(x_14, 4);
+x_27 = lean_ctor_get(x_14, 5);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_14);
+x_28 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_28, 0, x_23);
+lean_ctor_set(x_28, 1, x_24);
+lean_ctor_set(x_28, 2, x_5);
+lean_ctor_set(x_28, 3, x_25);
+lean_ctor_set(x_28, 4, x_26);
+lean_ctor_set(x_28, 5, x_27);
+x_29 = lean_st_ref_set(x_1, x_28, x_15);
+x_30 = lean_ctor_get(x_29, 1);
+lean_inc(x_30);
+if (lean_is_exclusive(x_29)) {
+ lean_ctor_release(x_29, 0);
+ lean_ctor_release(x_29, 1);
+ x_31 = x_29;
+} else {
+ lean_dec_ref(x_29);
+ x_31 = lean_box(0);
+}
+if (lean_is_scalar(x_31)) {
+ x_32 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_32 = x_31;
+}
+lean_ctor_set(x_32, 0, x_10);
+lean_ctor_set(x_32, 1, x_30);
+return x_32;
+}
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_33 = lean_ctor_get(x_5, 0);
+x_34 = lean_ctor_get(x_5, 1);
+lean_inc(x_34);
 lean_inc(x_33);
+lean_dec(x_5);
+lean_inc(x_34);
+lean_inc(x_33);
+x_35 = lean_name_mk_numeral(x_33, x_34);
+x_36 = lean_unsigned_to_nat(1u);
+x_37 = lean_nat_add(x_34, x_36);
+lean_dec(x_34);
+x_38 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_38, 0, x_33);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = lean_st_ref_take(x_1, x_6);
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+x_42 = lean_ctor_get(x_40, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_40, 1);
+lean_inc(x_43);
+x_44 = lean_ctor_get(x_40, 3);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_40, 4);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_40, 5);
+lean_inc(x_46);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ lean_ctor_release(x_40, 2);
+ lean_ctor_release(x_40, 3);
+ lean_ctor_release(x_40, 4);
+ lean_ctor_release(x_40, 5);
+ x_47 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_47 = lean_box(0);
+}
+if (lean_is_scalar(x_47)) {
+ x_48 = lean_alloc_ctor(0, 6, 0);
+} else {
+ x_48 = x_47;
+}
+lean_ctor_set(x_48, 0, x_42);
+lean_ctor_set(x_48, 1, x_43);
+lean_ctor_set(x_48, 2, x_38);
+lean_ctor_set(x_48, 3, x_44);
+lean_ctor_set(x_48, 4, x_45);
+lean_ctor_set(x_48, 5, x_46);
+x_49 = lean_st_ref_set(x_1, x_48, x_41);
+x_50 = lean_ctor_get(x_49, 1);
+lean_inc(x_50);
+if (lean_is_exclusive(x_49)) {
+ lean_ctor_release(x_49, 0);
+ lean_ctor_release(x_49, 1);
+ x_51 = x_49;
+} else {
+ lean_dec_ref(x_49);
+ x_51 = lean_box(0);
+}
+if (lean_is_scalar(x_51)) {
+ x_52 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_52 = x_51;
+}
+lean_ctor_set(x_52, 0, x_35);
+lean_ctor_set(x_52, 1, x_50);
+return x_52;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = lean_alloc_closure((void*)(l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg___boxed), 2, 0);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; uint8_t x_11; 
+x_10 = l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg(x_8, x_9);
+x_11 = !lean_is_exclusive(x_10);
+if (x_11 == 0)
+{
+return x_10;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_12 = lean_ctor_get(x_10, 0);
+x_13 = lean_ctor_get(x_10, 1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_10);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_12);
+lean_ctor_set(x_14, 1, x_13);
+return x_14;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_hasLocalInstaceWithOutParams(x_1, x_9, x_10, x_11);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_unbox(x_13);
+lean_dec(x_13);
+if (x_14 == 0)
+{
+uint8_t x_15; 
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_15 = !lean_is_exclusive(x_12);
+if (x_15 == 0)
+{
+lean_object* x_16; uint8_t x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_12, 0);
+lean_dec(x_16);
+x_17 = 0;
+x_18 = lean_box(x_17);
+lean_ctor_set(x_12, 0, x_18);
+return x_12;
+}
+else
+{
+lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; 
+x_19 = lean_ctor_get(x_12, 1);
+lean_inc(x_19);
+lean_dec(x_12);
+x_20 = 0;
+x_21 = lean_box(x_20);
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_21);
+lean_ctor_set(x_22, 1, x_19);
+return x_22;
+}
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_23 = lean_ctor_get(x_12, 1);
+lean_inc(x_23);
+lean_dec(x_12);
+x_24 = l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_23);
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_24, 1);
+lean_inc(x_26);
+lean_dec(x_24);
+x_27 = l_Lean_mkFVar(x_25);
+x_28 = lean_expr_instantiate1(x_1, x_27);
+x_29 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance(x_27, x_28, x_7, x_8, x_9, x_10, x_26);
+return x_29;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+lean_dec(x_1);
+x_11 = lean_st_ref_get(x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_get(x_3, x_12);
+x_14 = !lean_is_exclusive(x_13);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; 
+x_15 = lean_ctor_get(x_13, 0);
+x_16 = lean_ctor_get(x_13, 1);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l_Lean_Expr_bindingBody_x21(x_17);
+lean_dec(x_17);
+x_19 = lean_unsigned_to_nat(0u);
+x_20 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType(x_18, x_19);
+if (x_20 == 0)
+{
+uint8_t x_21; lean_object* x_22; 
+lean_dec(x_18);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_21 = 0;
+x_22 = lean_box(x_21);
+lean_ctor_set(x_13, 0, x_22);
+return x_13;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; 
+lean_free_object(x_13);
+x_23 = lean_box(0);
+x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1(x_18, x_23, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_18);
+return x_24;
+}
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
+x_25 = lean_ctor_get(x_13, 0);
+x_26 = lean_ctor_get(x_13, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_13);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = l_Lean_Expr_bindingBody_x21(x_27);
+lean_dec(x_27);
+x_29 = lean_unsigned_to_nat(0u);
+x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isResultType(x_28, x_29);
+if (x_30 == 0)
+{
+uint8_t x_31; lean_object* x_32; lean_object* x_33; 
+lean_dec(x_28);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_31 = 0;
+x_32 = lean_box(x_31);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_32);
+lean_ctor_set(x_33, 1, x_26);
+return x_33;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_box(0);
+x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1(x_28, x_34, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_26);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_28);
+return x_35;
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__2), 10, 0);
+return x_1;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+uint8_t x_10; 
+x_10 = lean_ctor_get_uint8(x_1, 2);
+if (x_10 == 0)
+{
+uint8_t x_11; lean_object* x_12; lean_object* x_13; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_11 = 0;
+x_12 = lean_box(x_11);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_9);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
+x_14 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1;
+x_15 = lean_box(0);
+x_16 = lean_apply_10(x_14, x_15, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+return x_16;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___rarg(x_1, x_2);
+lean_dec(x_1);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Lean_mkFreshId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_mkFreshFVarId___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; 
+x_12 = lean_apply_10(x_1, x_6, x_2, x_3, x_4, x_5, x_7, x_8, x_9, x_10, x_11);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___lambda__1), 11, 5);
+lean_closure_set(x_14, 0, x_4);
+lean_closure_set(x_14, 1, x_5);
+lean_closure_set(x_14, 2, x_6);
+lean_closure_set(x_14, 3, x_7);
+lean_closure_set(x_14, 4, x_8);
+x_15 = l___private_Lean_Meta_Basic_0__Lean_Meta_withLocalDeclImp___rarg(x_1, x_2, x_3, x_14, x_9, x_10, x_11, x_12, x_13);
+if (lean_obj_tag(x_15) == 0)
+{
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_15);
+if (x_16 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_17 = lean_ctor_get(x_15, 0);
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_dec(x_15);
+x_19 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_19, 0, x_17);
+lean_ctor_set(x_19, 1, x_18);
+return x_19;
+}
+}
+else
+{
+uint8_t x_20; 
+x_20 = !lean_is_exclusive(x_15);
+if (x_20 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_15, 0);
+x_22 = lean_ctor_get(x_15, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_15);
+x_23 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_23, 0, x_21);
+lean_ctor_set(x_23, 1, x_22);
+return x_23;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed), 13, 0);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_12 = lean_st_ref_get(x_10, x_11);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_st_ref_take(x_4, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_18 = lean_ctor_get(x_15, 5);
+lean_inc(x_2);
+x_19 = lean_array_push(x_18, x_2);
+lean_ctor_set(x_15, 5, x_19);
+x_20 = lean_st_ref_set(x_4, x_15, x_16);
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_21);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_23);
+return x_24;
+}
+else
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
+x_25 = lean_ctor_get(x_15, 0);
+x_26 = lean_ctor_get(x_15, 1);
+x_27 = lean_ctor_get(x_15, 2);
+x_28 = lean_ctor_get(x_15, 3);
+x_29 = lean_ctor_get(x_15, 4);
+x_30 = lean_ctor_get(x_15, 5);
+x_31 = lean_ctor_get(x_15, 6);
+x_32 = lean_ctor_get(x_15, 7);
+x_33 = lean_ctor_get_uint8(x_15, sizeof(void*)*9);
+x_34 = lean_ctor_get(x_15, 8);
+lean_inc(x_34);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_inc(x_30);
+lean_inc(x_29);
 lean_inc(x_28);
 lean_inc(x_27);
 lean_inc(x_26);
 lean_inc(x_25);
-lean_dec(x_14);
+lean_dec(x_15);
 lean_inc(x_2);
-x_35 = lean_array_push(x_31, x_2);
-x_36 = lean_alloc_ctor(0, 8, 3);
+x_35 = lean_array_push(x_30, x_2);
+x_36 = lean_alloc_ctor(0, 9, 1);
 lean_ctor_set(x_36, 0, x_25);
 lean_ctor_set(x_36, 1, x_26);
 lean_ctor_set(x_36, 2, x_27);
 lean_ctor_set(x_36, 3, x_28);
-lean_ctor_set(x_36, 4, x_30);
+lean_ctor_set(x_36, 4, x_29);
 lean_ctor_set(x_36, 5, x_35);
-lean_ctor_set(x_36, 6, x_32);
-lean_ctor_set(x_36, 7, x_33);
-lean_ctor_set_uint8(x_36, sizeof(void*)*8, x_24);
-lean_ctor_set_uint8(x_36, sizeof(void*)*8 + 1, x_29);
-lean_ctor_set_uint8(x_36, sizeof(void*)*8 + 2, x_34);
-x_37 = lean_st_ref_set(x_3, x_36, x_15);
+lean_ctor_set(x_36, 6, x_31);
+lean_ctor_set(x_36, 7, x_32);
+lean_ctor_set(x_36, 8, x_34);
+lean_ctor_set_uint8(x_36, sizeof(void*)*9, x_33);
+x_37 = lean_st_ref_set(x_4, x_36, x_16);
 x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
 lean_dec(x_37);
-x_39 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_38);
+x_39 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_38);
 x_40 = lean_ctor_get(x_39, 1);
 lean_inc(x_40);
 lean_dec(x_39);
-x_41 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_40);
+x_41 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
 return x_41;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; lean_object* x_19; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getBindingName___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1), 11, 1);
+lean_closure_set(x_17, 0, x_1);
+x_18 = 0;
+x_19 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(x_12, x_18, x_15, x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+return x_19;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+if (lean_obj_tag(x_10) == 0)
+{
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
 x_11 = lean_ctor_get(x_10, 0);
 lean_inc(x_11);
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
 lean_dec(x_10);
-x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_13, 1);
+x_13 = l_Lean_Expr_isForall(x_11);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; 
+lean_dec(x_11);
+x_14 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
-lean_dec(x_13);
-x_16 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___lambda__1), 10, 1);
-lean_closure_set(x_16, 0, x_1);
-x_17 = 0;
-x_18 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(x_11, x_17, x_14, x_16, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-return x_18;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_ElabAppArgs_main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
+x_16 = lean_unbox(x_15);
+lean_dec(x_15);
+if (x_16 == 0)
 {
-lean_object* x_9; 
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-x_9 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_normalizeFunType(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-if (lean_obj_tag(x_9) == 0)
-{
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_9, 1);
-lean_inc(x_11);
-lean_dec(x_9);
-x_12 = l_Lean_Expr_isForall(x_10);
-if (x_12 == 0)
-{
-lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-lean_dec(x_10);
-x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_11);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-x_15 = lean_unbox(x_14);
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
 lean_dec(x_14);
-if (x_15 == 0)
-{
-lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_13, 1);
-lean_inc(x_16);
-lean_dec(x_13);
-x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_16);
-return x_17;
+x_18 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_17);
+return x_18;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; 
-x_18 = lean_ctor_get(x_13, 1);
-lean_inc(x_18);
-lean_dec(x_13);
+lean_object* x_19; lean_object* x_20; 
+x_19 = lean_ctor_get(x_14, 1);
+lean_inc(x_19);
+lean_dec(x_14);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -15173,19 +16960,20 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_19 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_18);
-if (lean_obj_tag(x_19) == 0)
+x_20 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
+if (lean_obj_tag(x_20) == 0)
 {
-lean_object* x_20; 
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_8 = x_20;
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_20, 1);
+lean_inc(x_21);
+lean_dec(x_20);
+x_9 = x_21;
 goto _start;
 }
 else
 {
-uint8_t x_22; 
+uint8_t x_23; 
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -15193,92 +16981,93 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_22 = !lean_is_exclusive(x_19);
-if (x_22 == 0)
+x_23 = !lean_is_exclusive(x_20);
+if (x_23 == 0)
 {
-return x_19;
+return x_20;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_23 = lean_ctor_get(x_19, 0);
-x_24 = lean_ctor_get(x_19, 1);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_20, 0);
+x_25 = lean_ctor_get(x_20, 1);
+lean_inc(x_25);
 lean_inc(x_24);
-lean_inc(x_23);
-lean_dec(x_19);
-x_25 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_25, 0, x_23);
-lean_ctor_set(x_25, 1, x_24);
-return x_25;
+lean_dec(x_20);
+x_26 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_26, 0, x_24);
+lean_ctor_set(x_26, 1, x_25);
+return x_26;
 }
 }
 }
 }
 else
 {
-lean_object* x_26; lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_26 = l_Lean_Expr_bindingName_x21(x_10);
-x_27 = l_Lean_Expr_bindingInfo_x21(x_10);
-x_28 = lean_unbox(x_27);
-lean_dec(x_27);
-x_29 = lean_st_ref_get(x_7, x_11);
-x_30 = lean_ctor_get(x_29, 1);
-lean_inc(x_30);
-lean_dec(x_29);
-x_31 = lean_st_ref_get(x_1, x_30);
-x_32 = lean_ctor_get(x_31, 0);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_31, 1);
+lean_object* x_27; lean_object* x_28; uint8_t x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+x_27 = l_Lean_Expr_bindingName_x21(x_11);
+x_28 = l_Lean_Expr_bindingInfo_x21(x_11);
+x_29 = lean_unbox(x_28);
+lean_dec(x_28);
+x_30 = lean_st_ref_get(x_8, x_12);
+x_31 = lean_ctor_get(x_30, 1);
+lean_inc(x_31);
+lean_dec(x_30);
+x_32 = lean_st_ref_get(x_2, x_31);
+x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
-lean_dec(x_31);
-lean_inc(x_26);
-x_34 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1___boxed), 2, 1);
-lean_closure_set(x_34, 0, x_26);
-x_35 = lean_ctor_get(x_32, 3);
-lean_inc(x_35);
+x_34 = lean_ctor_get(x_32, 1);
+lean_inc(x_34);
 lean_dec(x_32);
-x_36 = l_List_find_x3f___rarg(x_34, x_35);
-if (lean_obj_tag(x_36) == 0)
-{
-lean_object* x_37; 
-x_37 = lean_box(x_28);
-switch (lean_obj_tag(x_37)) {
-case 1:
+lean_inc(x_27);
+x_35 = lean_alloc_closure((void*)(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getForallBody___lambda__1___boxed), 2, 1);
+lean_closure_set(x_35, 0, x_27);
+x_36 = lean_ctor_get(x_33, 3);
+lean_inc(x_36);
+lean_dec(x_33);
+x_37 = l_List_find_x3f___rarg(x_35, x_36);
+if (lean_obj_tag(x_37) == 0)
 {
 lean_object* x_38; 
-x_38 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(x_26, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_33);
-return x_38;
+x_38 = lean_box(x_29);
+switch (lean_obj_tag(x_38)) {
+case 1:
+{
+lean_object* x_39; 
+x_39 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_34);
+return x_39;
 }
 case 2:
 {
-lean_object* x_39; 
-x_39 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(x_26, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_33);
-return x_39;
+lean_object* x_40; 
+x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_34);
+return x_40;
 }
 case 3:
 {
-lean_object* x_40; 
-x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(x_26, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_33);
-return x_40;
+lean_object* x_41; 
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_34);
+return x_41;
 }
 default: 
 {
-lean_object* x_41; 
-lean_dec(x_37);
-x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_26, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_33);
-return x_41;
+lean_object* x_42; 
+lean_dec(x_38);
+x_42 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_34);
+return x_42;
 }
 }
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_42 = lean_ctor_get(x_36, 0);
-lean_inc(x_42);
-lean_dec(x_36);
-x_43 = lean_ctor_get(x_42, 2);
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_37, 0);
 lean_inc(x_43);
-lean_dec(x_42);
+lean_dec(x_37);
+x_44 = lean_ctor_get(x_43, 2);
+lean_inc(x_44);
+lean_dec(x_43);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
@@ -15286,38 +17075,39 @@ lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-lean_inc(x_43);
-x_44 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_43, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_33);
-if (lean_obj_tag(x_44) == 0)
+lean_inc(x_44);
+x_45 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_44, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_34);
+if (lean_obj_tag(x_45) == 0)
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_45 = lean_ctor_get(x_44, 1);
-lean_inc(x_45);
-lean_dec(x_44);
-lean_inc(x_26);
-x_46 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(x_26, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_45);
-x_47 = lean_ctor_get(x_46, 1);
-lean_inc(x_47);
-lean_dec(x_46);
+lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_46 = lean_ctor_get(x_45, 1);
+lean_inc(x_46);
+lean_dec(x_45);
+lean_inc(x_27);
+x_47 = l_Lean_Elab_Term_ElabAppArgs_eraseNamedArg(x_27, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_46);
+x_48 = lean_ctor_get(x_47, 1);
+lean_inc(x_48);
+lean_dec(x_47);
+lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_2);
-x_48 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_26, x_43, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_47);
-if (lean_obj_tag(x_48) == 0)
+x_49 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_27, x_44, x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
+if (lean_obj_tag(x_49) == 0)
 {
-lean_object* x_49; 
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
-lean_dec(x_48);
-x_8 = x_49;
+lean_object* x_50; 
+x_50 = lean_ctor_get(x_49, 1);
+lean_inc(x_50);
+lean_dec(x_49);
+x_9 = x_50;
 goto _start;
 }
 else
 {
-uint8_t x_51; 
+uint8_t x_52; 
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -15325,63 +17115,32 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_51 = !lean_is_exclusive(x_48);
-if (x_51 == 0)
+x_52 = !lean_is_exclusive(x_49);
+if (x_52 == 0)
 {
-return x_48;
+return x_49;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_48, 0);
-x_53 = lean_ctor_get(x_48, 1);
+lean_object* x_53; lean_object* x_54; lean_object* x_55; 
+x_53 = lean_ctor_get(x_49, 0);
+x_54 = lean_ctor_get(x_49, 1);
+lean_inc(x_54);
 lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_48);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
+lean_dec(x_49);
+x_55 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
 }
 }
 }
 else
 {
-uint8_t x_55; 
-lean_dec(x_43);
-lean_dec(x_26);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_55 = !lean_is_exclusive(x_44);
-if (x_55 == 0)
-{
-return x_44;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_44, 0);
-x_57 = lean_ctor_get(x_44, 1);
-lean_inc(x_57);
-lean_inc(x_56);
+uint8_t x_56; 
 lean_dec(x_44);
-x_58 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_58, 0, x_56);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_59; 
+lean_dec(x_27);
+lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -15389,62 +17148,95 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_59 = !lean_is_exclusive(x_9);
-if (x_59 == 0)
+x_56 = !lean_is_exclusive(x_45);
+if (x_56 == 0)
 {
-return x_9;
+return x_45;
 }
 else
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_9, 0);
-x_61 = lean_ctor_get(x_9, 1);
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_45, 0);
+x_58 = lean_ctor_get(x_45, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_45);
+x_59 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_60; 
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_60 = !lean_is_exclusive(x_10);
+if (x_60 == 0)
+{
+return x_10;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_10, 0);
+x_62 = lean_ctor_get(x_10, 1);
+lean_inc(x_62);
 lean_inc(x_61);
-lean_inc(x_60);
-lean_dec(x_9);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
+lean_dec(x_10);
+x_63 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_63, 0, x_61);
+lean_ctor_set(x_63, 1, x_62);
+return x_63;
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_10 = lean_ctor_get(x_7, 5);
-x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_5, x_6, x_7, x_8, x_9);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+lean_object* x_11; lean_object* x_12; uint8_t x_13; 
+x_11 = lean_ctor_get(x_8, 5);
+x_12 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_1, x_6, x_7, x_8, x_9, x_10);
+x_13 = !lean_is_exclusive(x_12);
+if (x_13 == 0)
 {
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_ctor_get(x_11, 0);
-lean_inc(x_10);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_10);
-lean_ctor_set(x_14, 1, x_13);
-lean_ctor_set_tag(x_11, 1);
-lean_ctor_set(x_11, 0, x_14);
-return x_11;
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_12, 0);
+lean_inc(x_11);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_11);
+lean_ctor_set(x_15, 1, x_14);
+lean_ctor_set_tag(x_12, 1);
+lean_ctor_set(x_12, 0, x_15);
+return x_12;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
-x_15 = lean_ctor_get(x_11, 0);
-x_16 = lean_ctor_get(x_11, 1);
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_16 = lean_ctor_get(x_12, 0);
+x_17 = lean_ctor_get(x_12, 1);
+lean_inc(x_17);
 lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_11);
-lean_inc(x_10);
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_10);
-lean_ctor_set(x_17, 1, x_15);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_17);
+lean_dec(x_12);
+lean_inc(x_11);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_11);
 lean_ctor_set(x_18, 1, x_16);
-return x_18;
+x_19 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_19, 0, x_18);
+lean_ctor_set(x_19, 1, x_17);
+return x_19;
 }
 }
 }
@@ -15462,12 +17254,12 @@ lean_ctor_set(x_6, 1, x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_6; 
-x_6 = lean_alloc_closure((void*)(l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg___boxed), 3, 0);
-return x_6;
+lean_object* x_7; 
+x_7 = lean_alloc_closure((void*)(l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg___boxed), 3, 0);
+return x_7;
 }
 }
 static lean_object* _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__1() {
@@ -15495,52 +17287,64 @@ x_1 = lean_mk_string_from_bytes("by", 2);
 return x_1;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_2, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_13, 2);
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_11 = lean_st_ref_get(x_9, x_10);
+x_12 = lean_ctor_get(x_11, 1);
+lean_inc(x_12);
+lean_dec(x_11);
+x_13 = lean_st_ref_get(x_3, x_12);
+x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; uint8_t x_17; 
-x_15 = lean_ctor_get(x_12, 1);
+x_15 = lean_ctor_get(x_14, 2);
 lean_inc(x_15);
-lean_dec(x_12);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-x_17 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
-if (x_17 == 0)
+lean_dec(x_14);
+if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_18 = lean_ctor_get(x_16, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_16, 1);
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_dec(x_13);
+x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_16);
+x_18 = lean_ctor_get_uint8(x_2, 1);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_17, 0);
 lean_inc(x_19);
-lean_dec(x_16);
-x_20 = l_Lean_Expr_getOptParamDefault_x3f(x_18);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; 
-x_21 = l_Lean_Expr_getAutoParamTactic_x3f(x_18);
-lean_dec(x_18);
+x_20 = lean_ctor_get(x_17, 1);
+lean_inc(x_20);
+lean_dec(x_17);
+x_21 = l_Lean_Expr_getOptParamDefault_x3f(x_19);
 if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_22; uint8_t x_23; 
-x_22 = lean_ctor_get(x_13, 3);
-lean_inc(x_22);
-lean_dec(x_13);
-x_23 = l_List_isEmpty___rarg(x_22);
-lean_dec(x_22);
-if (x_23 == 0)
+lean_object* x_22; 
+x_22 = l_Lean_Expr_getAutoParamTactic_x3f(x_19);
+lean_dec(x_19);
+if (lean_obj_tag(x_22) == 0)
 {
-lean_object* x_24; 
+lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_23 = lean_st_ref_get(x_9, x_20);
+x_24 = lean_ctor_get(x_23, 1);
+lean_inc(x_24);
+lean_dec(x_23);
+x_25 = lean_st_ref_get(x_3, x_24);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_28 = lean_ctor_get(x_26, 3);
+lean_inc(x_28);
+lean_dec(x_26);
+x_29 = l_List_isEmpty___rarg(x_28);
+lean_dec(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; 
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -15548,36 +17352,37 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
-if (lean_obj_tag(x_24) == 0)
+x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_27);
+if (lean_obj_tag(x_30) == 0)
 {
-lean_object* x_25; uint8_t x_26; 
-x_25 = lean_ctor_get(x_24, 0);
-lean_inc(x_25);
-x_26 = lean_unbox(x_25);
-lean_dec(x_25);
-if (x_26 == 0)
+lean_object* x_31; uint8_t x_32; 
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_unbox(x_31);
+lean_dec(x_31);
+if (x_32 == 0)
 {
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_24, 1);
-lean_inc(x_27);
-lean_dec(x_24);
-x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_27);
-return x_28;
+lean_object* x_33; lean_object* x_34; 
+x_33 = lean_ctor_get(x_30, 1);
+lean_inc(x_33);
+lean_dec(x_30);
+x_34 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_33);
+return x_34;
 }
 else
 {
-lean_object* x_29; lean_object* x_30; 
-x_29 = lean_ctor_get(x_24, 1);
-lean_inc(x_29);
-lean_dec(x_24);
-x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_29);
-return x_30;
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_30, 1);
+lean_inc(x_35);
+lean_dec(x_30);
+x_36 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_35);
+return x_36;
 }
 }
 else
 {
-uint8_t x_31; 
+uint8_t x_37; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15586,29 +17391,30 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_24);
-if (x_31 == 0)
+x_37 = !lean_is_exclusive(x_30);
+if (x_37 == 0)
 {
-return x_24;
+return x_30;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_24, 0);
-x_33 = lean_ctor_get(x_24, 1);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_24);
-x_34 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_34, 0, x_32);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_30, 0);
+x_39 = lean_ctor_get(x_30, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_30);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
 }
 }
 }
 else
 {
-lean_object* x_35; 
+lean_object* x_41; 
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -15616,62 +17422,52 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_35 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
-if (lean_obj_tag(x_35) == 0)
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_fTypeHasOptAutoParams(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_27);
+if (lean_obj_tag(x_41) == 0)
 {
-lean_object* x_36; uint8_t x_37; 
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-x_37 = lean_unbox(x_36);
-lean_dec(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-x_38 = lean_ctor_get(x_35, 1);
-lean_inc(x_38);
-lean_dec(x_35);
-x_39 = lean_st_ref_get(x_8, x_38);
-x_40 = lean_ctor_get(x_39, 1);
-lean_inc(x_40);
-lean_dec(x_39);
-x_41 = lean_st_ref_get(x_2, x_40);
+lean_object* x_42; uint8_t x_43; 
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
-x_43 = lean_ctor_get_uint8(x_42, sizeof(void*)*8 + 1);
+x_43 = lean_unbox(x_42);
 lean_dec(x_42);
 if (x_43 == 0)
 {
-lean_object* x_44; lean_object* x_45; 
+uint8_t x_44; 
+x_44 = lean_ctor_get_uint8(x_2, 0);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; 
 lean_dec(x_1);
-x_44 = lean_ctor_get(x_41, 1);
-lean_inc(x_44);
+x_45 = lean_ctor_get(x_41, 1);
+lean_inc(x_45);
 lean_dec(x_41);
-x_45 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_44);
-return x_45;
+x_46 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_45);
+return x_46;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; 
-x_46 = lean_ctor_get(x_41, 1);
-lean_inc(x_46);
+lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_41, 1);
+lean_inc(x_47);
 lean_dec(x_41);
-x_47 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_46);
-return x_47;
+x_48 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_47);
+return x_48;
 }
 }
 else
 {
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_35, 1);
-lean_inc(x_48);
-lean_dec(x_35);
-x_49 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
-return x_49;
+lean_object* x_49; lean_object* x_50; 
+x_49 = lean_ctor_get(x_41, 1);
+lean_inc(x_49);
+lean_dec(x_41);
+x_50 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_49);
+return x_50;
 }
 }
 else
 {
-uint8_t x_50; 
+uint8_t x_51; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15680,65 +17476,65 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_50 = !lean_is_exclusive(x_35);
-if (x_50 == 0)
+x_51 = !lean_is_exclusive(x_41);
+if (x_51 == 0)
 {
-return x_35;
+return x_41;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_35, 0);
-x_52 = lean_ctor_get(x_35, 1);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_41, 0);
+x_53 = lean_ctor_get(x_41, 1);
+lean_inc(x_53);
 lean_inc(x_52);
-lean_inc(x_51);
-lean_dec(x_35);
-x_53 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
+lean_dec(x_41);
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
 }
 }
 }
 }
 else
 {
-lean_object* x_54; 
-lean_dec(x_13);
-x_54 = lean_ctor_get(x_21, 0);
-lean_inc(x_54);
-lean_dec(x_21);
-if (lean_obj_tag(x_54) == 4)
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_55 = lean_ctor_get(x_54, 0);
+lean_object* x_55; 
+x_55 = lean_ctor_get(x_22, 0);
 lean_inc(x_55);
-lean_dec(x_54);
-x_56 = lean_st_ref_get(x_8, x_19);
-x_57 = lean_ctor_get(x_56, 0);
-lean_inc(x_57);
-x_58 = lean_ctor_get(x_56, 1);
+lean_dec(x_22);
+if (lean_obj_tag(x_55) == 4)
+{
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = lean_st_ref_get(x_9, x_20);
+x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
-lean_dec(x_56);
-x_59 = lean_ctor_get(x_57, 0);
+x_59 = lean_ctor_get(x_57, 1);
 lean_inc(x_59);
 lean_dec(x_57);
-x_60 = lean_ctor_get(x_7, 2);
+x_60 = lean_ctor_get(x_58, 0);
 lean_inc(x_60);
-x_61 = l___private_Lean_Elab_Util_0__Lean_Elab_evalSyntaxConstantUnsafe(x_59, x_60, x_55);
-lean_dec(x_60);
-if (lean_obj_tag(x_61) == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-lean_dec(x_1);
-x_62 = lean_ctor_get(x_61, 0);
-lean_inc(x_62);
+lean_dec(x_58);
+x_61 = lean_ctor_get(x_8, 2);
+lean_inc(x_61);
+x_62 = l___private_Lean_Elab_Util_0__Lean_Elab_evalSyntaxConstantUnsafe(x_60, x_61, x_56);
 lean_dec(x_61);
-x_63 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_63, 0, x_62);
-x_64 = lean_alloc_ctor(0, 1, 0);
+if (lean_obj_tag(x_62) == 0)
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+lean_dec(x_1);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+lean_dec(x_62);
+x_64 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_64, 0, x_63);
-x_65 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_64, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_58);
+x_65 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_65, 0, x_64);
+x_66 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_65, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_59);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15746,40 +17542,41 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_65;
+return x_66;
 }
 else
 {
-lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_66 = lean_ctor_get(x_61, 0);
-lean_inc(x_66);
-lean_dec(x_61);
-lean_inc(x_7);
-x_67 = l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg(x_7, x_8, x_58);
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_67, 1);
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_67 = lean_ctor_get(x_62, 0);
+lean_inc(x_67);
+lean_dec(x_62);
+lean_inc(x_8);
+x_68 = l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg(x_8, x_9, x_59);
+x_69 = lean_ctor_get(x_68, 0);
 lean_inc(x_69);
-lean_dec(x_67);
-x_70 = lean_st_ref_get(x_8, x_69);
-x_71 = lean_ctor_get(x_70, 1);
-lean_inc(x_71);
-lean_dec(x_70);
-x_72 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__3;
-x_73 = lean_alloc_ctor(2, 2, 0);
-lean_ctor_set(x_73, 0, x_68);
-lean_ctor_set(x_73, 1, x_72);
-x_74 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
-x_75 = lean_array_push(x_74, x_73);
-x_76 = lean_array_push(x_75, x_66);
-x_77 = lean_box(2);
-x_78 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__12;
-x_79 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_79, 0, x_77);
-lean_ctor_set(x_79, 1, x_78);
-lean_ctor_set(x_79, 2, x_76);
-x_80 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_80, 0, x_79);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = lean_st_ref_get(x_9, x_70);
+x_72 = lean_ctor_get(x_71, 1);
+lean_inc(x_72);
+lean_dec(x_71);
+x_73 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__3;
+x_74 = lean_alloc_ctor(2, 2, 0);
+lean_ctor_set(x_74, 0, x_69);
+lean_ctor_set(x_74, 1, x_73);
+x_75 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
+x_76 = lean_array_push(x_75, x_74);
+x_77 = lean_array_push(x_76, x_67);
+x_78 = lean_box(2);
+x_79 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__12;
+x_80 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+lean_ctor_set(x_80, 2, x_77);
+x_81 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_81, 0, x_80);
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -15787,33 +17584,34 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-lean_inc(x_80);
-x_81 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_80, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_71);
-if (lean_obj_tag(x_81) == 0)
+lean_inc(x_81);
+x_82 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_81, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_72);
+if (lean_obj_tag(x_82) == 0)
 {
-lean_object* x_82; lean_object* x_83; 
-x_82 = lean_ctor_get(x_81, 1);
-lean_inc(x_82);
-lean_dec(x_81);
+lean_object* x_83; lean_object* x_84; 
+x_83 = lean_ctor_get(x_82, 1);
+lean_inc(x_83);
+lean_dec(x_82);
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_3);
-x_83 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_80, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_82);
-if (lean_obj_tag(x_83) == 0)
+x_84 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_81, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_83);
+if (lean_obj_tag(x_84) == 0)
 {
-lean_object* x_84; lean_object* x_85; 
-x_84 = lean_ctor_get(x_83, 1);
-lean_inc(x_84);
-lean_dec(x_83);
-x_85 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_84);
-return x_85;
+lean_object* x_85; lean_object* x_86; 
+x_85 = lean_ctor_get(x_84, 1);
+lean_inc(x_85);
+lean_dec(x_84);
+x_86 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_85);
+return x_86;
 }
 else
 {
-uint8_t x_86; 
+uint8_t x_87; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15821,66 +17619,31 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_86 = !lean_is_exclusive(x_83);
-if (x_86 == 0)
+x_87 = !lean_is_exclusive(x_84);
+if (x_87 == 0)
 {
-return x_83;
+return x_84;
 }
 else
 {
-lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_87 = lean_ctor_get(x_83, 0);
-x_88 = lean_ctor_get(x_83, 1);
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_84, 0);
+x_89 = lean_ctor_get(x_84, 1);
+lean_inc(x_89);
 lean_inc(x_88);
-lean_inc(x_87);
-lean_dec(x_83);
-x_89 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_89, 0, x_87);
-lean_ctor_set(x_89, 1, x_88);
-return x_89;
+lean_dec(x_84);
+x_90 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_90, 0, x_88);
+lean_ctor_set(x_90, 1, x_89);
+return x_90;
 }
 }
 }
 else
 {
-uint8_t x_90; 
-lean_dec(x_80);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_90 = !lean_is_exclusive(x_81);
-if (x_90 == 0)
-{
-return x_81;
-}
-else
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-x_91 = lean_ctor_get(x_81, 0);
-x_92 = lean_ctor_get(x_81, 1);
-lean_inc(x_92);
-lean_inc(x_91);
+uint8_t x_91; 
 lean_dec(x_81);
-x_93 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_93, 0, x_91);
-lean_ctor_set(x_93, 1, x_92);
-return x_93;
-}
-}
-}
-}
-else
-{
-lean_object* x_94; lean_object* x_95; 
-lean_dec(x_54);
-lean_dec(x_1);
-x_94 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__2;
-x_95 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_94, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -15888,40 +17651,87 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_95;
+lean_dec(x_1);
+x_91 = !lean_is_exclusive(x_82);
+if (x_91 == 0)
+{
+return x_82;
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_92 = lean_ctor_get(x_82, 0);
+x_93 = lean_ctor_get(x_82, 1);
+lean_inc(x_93);
+lean_inc(x_92);
+lean_dec(x_82);
+x_94 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_94, 0, x_92);
+lean_ctor_set(x_94, 1, x_93);
+return x_94;
+}
 }
 }
 }
 else
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-lean_dec(x_18);
-lean_dec(x_13);
-x_96 = lean_ctor_get(x_20, 0);
-lean_inc(x_96);
-lean_dec(x_20);
-x_97 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_96, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
-x_98 = lean_ctor_get(x_97, 1);
-lean_inc(x_98);
-lean_dec(x_97);
-x_99 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_98);
-return x_99;
+lean_object* x_95; lean_object* x_96; 
+lean_dec(x_55);
+lean_dec(x_1);
+x_95 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__2;
+x_96 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_95, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_96;
+}
 }
 }
 else
 {
-lean_object* x_100; lean_object* x_101; uint8_t x_102; 
-x_100 = lean_ctor_get(x_16, 1);
-lean_inc(x_100);
-lean_dec(x_16);
-x_101 = lean_ctor_get(x_13, 3);
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+lean_dec(x_19);
+x_97 = lean_ctor_get(x_21, 0);
+lean_inc(x_97);
+lean_dec(x_21);
+x_98 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_97, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+x_99 = lean_ctor_get(x_98, 1);
+lean_inc(x_99);
+lean_dec(x_98);
+x_100 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_99);
+return x_100;
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; uint8_t x_108; 
+x_101 = lean_ctor_get(x_17, 1);
 lean_inc(x_101);
-lean_dec(x_13);
-x_102 = l_List_isEmpty___rarg(x_101);
-lean_dec(x_101);
-if (x_102 == 0)
+lean_dec(x_17);
+x_102 = lean_st_ref_get(x_9, x_101);
+x_103 = lean_ctor_get(x_102, 1);
+lean_inc(x_103);
+lean_dec(x_102);
+x_104 = lean_st_ref_get(x_3, x_103);
+x_105 = lean_ctor_get(x_104, 0);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_104, 1);
+lean_inc(x_106);
+lean_dec(x_104);
+x_107 = lean_ctor_get(x_105, 3);
+lean_inc(x_107);
+lean_dec(x_105);
+x_108 = l_List_isEmpty___rarg(x_107);
+lean_dec(x_107);
+if (x_108 == 0)
 {
-lean_object* x_103; 
+lean_object* x_109; 
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -15929,140 +17739,37 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_103 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_100);
-if (lean_obj_tag(x_103) == 0)
+x_109 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_106);
+if (lean_obj_tag(x_109) == 0)
 {
-lean_object* x_104; uint8_t x_105; 
-x_104 = lean_ctor_get(x_103, 0);
-lean_inc(x_104);
-x_105 = lean_unbox(x_104);
-lean_dec(x_104);
-if (x_105 == 0)
+lean_object* x_110; uint8_t x_111; 
+x_110 = lean_ctor_get(x_109, 0);
+lean_inc(x_110);
+x_111 = lean_unbox(x_110);
+lean_dec(x_110);
+if (x_111 == 0)
 {
-lean_object* x_106; lean_object* x_107; 
-x_106 = lean_ctor_get(x_103, 1);
-lean_inc(x_106);
-lean_dec(x_103);
-x_107 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_106);
-return x_107;
-}
-else
-{
-lean_object* x_108; lean_object* x_109; 
-x_108 = lean_ctor_get(x_103, 1);
-lean_inc(x_108);
-lean_dec(x_103);
-x_109 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_108);
-return x_109;
-}
-}
-else
-{
-uint8_t x_110; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_110 = !lean_is_exclusive(x_103);
-if (x_110 == 0)
-{
-return x_103;
-}
-else
-{
-lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_111 = lean_ctor_get(x_103, 0);
-x_112 = lean_ctor_get(x_103, 1);
+lean_object* x_112; lean_object* x_113; 
+x_112 = lean_ctor_get(x_109, 1);
 lean_inc(x_112);
-lean_inc(x_111);
-lean_dec(x_103);
-x_113 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_113, 0, x_111);
-lean_ctor_set(x_113, 1, x_112);
+lean_dec(x_109);
+x_113 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_112);
 return x_113;
 }
+else
+{
+lean_object* x_114; lean_object* x_115; 
+x_114 = lean_ctor_get(x_109, 1);
+lean_inc(x_114);
+lean_dec(x_109);
+x_115 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_114);
+return x_115;
 }
 }
 else
 {
-lean_object* x_114; 
-lean_dec(x_1);
-x_114 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_100);
-return x_114;
-}
-}
-}
-else
-{
-lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
-lean_dec(x_13);
-x_115 = lean_ctor_get(x_12, 1);
-lean_inc(x_115);
-lean_dec(x_12);
-x_116 = lean_ctor_get(x_14, 0);
-lean_inc(x_116);
-x_117 = lean_ctor_get(x_14, 1);
-lean_inc(x_117);
-lean_dec(x_14);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-lean_inc(x_2);
-lean_inc(x_116);
-x_118 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_116, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_115);
-if (lean_obj_tag(x_118) == 0)
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; uint8_t x_125; 
-x_119 = lean_ctor_get(x_118, 1);
-lean_inc(x_119);
-lean_dec(x_118);
-x_120 = lean_st_ref_get(x_8, x_119);
-x_121 = lean_ctor_get(x_120, 1);
-lean_inc(x_121);
-lean_dec(x_120);
-x_122 = lean_st_ref_take(x_2, x_121);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_122, 1);
-lean_inc(x_124);
-lean_dec(x_122);
-x_125 = !lean_is_exclusive(x_123);
-if (x_125 == 0)
-{
-lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_126 = lean_ctor_get(x_123, 2);
-lean_dec(x_126);
-lean_ctor_set(x_123, 2, x_117);
-x_127 = lean_st_ref_set(x_2, x_123, x_124);
-x_128 = lean_ctor_get(x_127, 1);
-lean_inc(x_128);
-lean_dec(x_127);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_129 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_116, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_128);
-if (lean_obj_tag(x_129) == 0)
-{
-lean_object* x_130; lean_object* x_131; 
-x_130 = lean_ctor_get(x_129, 1);
-lean_inc(x_130);
-lean_dec(x_129);
-x_131 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_130);
-return x_131;
-}
-else
-{
-uint8_t x_132; 
+uint8_t x_116; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -16070,82 +17777,187 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_132 = !lean_is_exclusive(x_129);
-if (x_132 == 0)
+lean_dec(x_1);
+x_116 = !lean_is_exclusive(x_109);
+if (x_116 == 0)
 {
-return x_129;
+return x_109;
 }
 else
 {
-lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_133 = lean_ctor_get(x_129, 0);
-x_134 = lean_ctor_get(x_129, 1);
+lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+x_117 = lean_ctor_get(x_109, 0);
+x_118 = lean_ctor_get(x_109, 1);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_109);
+x_119 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_119, 0, x_117);
+lean_ctor_set(x_119, 1, x_118);
+return x_119;
+}
+}
+}
+else
+{
+lean_object* x_120; 
+lean_dec(x_1);
+x_120 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_106);
+return x_120;
+}
+}
+}
+else
+{
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_121 = lean_ctor_get(x_13, 1);
+lean_inc(x_121);
+lean_dec(x_13);
+x_122 = lean_ctor_get(x_15, 0);
+lean_inc(x_122);
+x_123 = lean_ctor_get(x_15, 1);
+lean_inc(x_123);
+lean_dec(x_15);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+lean_inc(x_122);
+x_124 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_propagateExpectedType(x_122, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_121);
+if (lean_obj_tag(x_124) == 0)
+{
+lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; uint8_t x_131; 
+x_125 = lean_ctor_get(x_124, 1);
+lean_inc(x_125);
+lean_dec(x_124);
+x_126 = lean_st_ref_get(x_9, x_125);
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+lean_dec(x_126);
+x_128 = lean_st_ref_take(x_3, x_127);
+x_129 = lean_ctor_get(x_128, 0);
+lean_inc(x_129);
+x_130 = lean_ctor_get(x_128, 1);
+lean_inc(x_130);
+lean_dec(x_128);
+x_131 = !lean_is_exclusive(x_129);
+if (x_131 == 0)
+{
+lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
+x_132 = lean_ctor_get(x_129, 2);
+lean_dec(x_132);
+lean_ctor_set(x_129, 2, x_123);
+x_133 = lean_st_ref_set(x_3, x_129, x_130);
+x_134 = lean_ctor_get(x_133, 1);
 lean_inc(x_134);
-lean_inc(x_133);
-lean_dec(x_129);
-x_135 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_135, 0, x_133);
-lean_ctor_set(x_135, 1, x_134);
+lean_dec(x_133);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+x_135 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_122, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_134);
+if (lean_obj_tag(x_135) == 0)
+{
+lean_object* x_136; lean_object* x_137; 
+x_136 = lean_ctor_get(x_135, 1);
+lean_inc(x_136);
+lean_dec(x_135);
+x_137 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_136);
+return x_137;
+}
+else
+{
+uint8_t x_138; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_138 = !lean_is_exclusive(x_135);
+if (x_138 == 0)
+{
 return x_135;
 }
+else
+{
+lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+x_139 = lean_ctor_get(x_135, 0);
+x_140 = lean_ctor_get(x_135, 1);
+lean_inc(x_140);
+lean_inc(x_139);
+lean_dec(x_135);
+x_141 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_140);
+return x_141;
+}
 }
 }
 else
 {
-uint8_t x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; uint8_t x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; 
-x_136 = lean_ctor_get_uint8(x_123, sizeof(void*)*8);
-x_137 = lean_ctor_get(x_123, 0);
-x_138 = lean_ctor_get(x_123, 1);
-x_139 = lean_ctor_get(x_123, 3);
-x_140 = lean_ctor_get_uint8(x_123, sizeof(void*)*8 + 1);
-x_141 = lean_ctor_get(x_123, 4);
-x_142 = lean_ctor_get(x_123, 5);
-x_143 = lean_ctor_get(x_123, 6);
-x_144 = lean_ctor_get(x_123, 7);
-x_145 = lean_ctor_get_uint8(x_123, sizeof(void*)*8 + 2);
+lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; uint8_t x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_142 = lean_ctor_get(x_129, 0);
+x_143 = lean_ctor_get(x_129, 1);
+x_144 = lean_ctor_get(x_129, 3);
+x_145 = lean_ctor_get(x_129, 4);
+x_146 = lean_ctor_get(x_129, 5);
+x_147 = lean_ctor_get(x_129, 6);
+x_148 = lean_ctor_get(x_129, 7);
+x_149 = lean_ctor_get_uint8(x_129, sizeof(void*)*9);
+x_150 = lean_ctor_get(x_129, 8);
+lean_inc(x_150);
+lean_inc(x_148);
+lean_inc(x_147);
+lean_inc(x_146);
+lean_inc(x_145);
 lean_inc(x_144);
 lean_inc(x_143);
 lean_inc(x_142);
-lean_inc(x_141);
-lean_inc(x_139);
-lean_inc(x_138);
-lean_inc(x_137);
-lean_dec(x_123);
-x_146 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_146, 0, x_137);
-lean_ctor_set(x_146, 1, x_138);
-lean_ctor_set(x_146, 2, x_117);
-lean_ctor_set(x_146, 3, x_139);
-lean_ctor_set(x_146, 4, x_141);
-lean_ctor_set(x_146, 5, x_142);
-lean_ctor_set(x_146, 6, x_143);
-lean_ctor_set(x_146, 7, x_144);
-lean_ctor_set_uint8(x_146, sizeof(void*)*8, x_136);
-lean_ctor_set_uint8(x_146, sizeof(void*)*8 + 1, x_140);
-lean_ctor_set_uint8(x_146, sizeof(void*)*8 + 2, x_145);
-x_147 = lean_st_ref_set(x_2, x_146, x_124);
-x_148 = lean_ctor_get(x_147, 1);
-lean_inc(x_148);
-lean_dec(x_147);
+lean_dec(x_129);
+x_151 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_151, 0, x_142);
+lean_ctor_set(x_151, 1, x_143);
+lean_ctor_set(x_151, 2, x_123);
+lean_ctor_set(x_151, 3, x_144);
+lean_ctor_set(x_151, 4, x_145);
+lean_ctor_set(x_151, 5, x_146);
+lean_ctor_set(x_151, 6, x_147);
+lean_ctor_set(x_151, 7, x_148);
+lean_ctor_set(x_151, 8, x_150);
+lean_ctor_set_uint8(x_151, sizeof(void*)*9, x_149);
+x_152 = lean_st_ref_set(x_3, x_151, x_130);
+x_153 = lean_ctor_get(x_152, 1);
+lean_inc(x_153);
+lean_dec(x_152);
+lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
-lean_inc(x_3);
-x_149 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_116, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_148);
-if (lean_obj_tag(x_149) == 0)
+x_154 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_elabAndAddNewArg(x_1, x_122, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_153);
+if (lean_obj_tag(x_154) == 0)
 {
-lean_object* x_150; lean_object* x_151; 
-x_150 = lean_ctor_get(x_149, 1);
-lean_inc(x_150);
-lean_dec(x_149);
-x_151 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_150);
-return x_151;
+lean_object* x_155; lean_object* x_156; 
+x_155 = lean_ctor_get(x_154, 1);
+lean_inc(x_155);
+lean_dec(x_154);
+x_156 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_155);
+return x_156;
 }
 else
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -16153,34 +17965,35 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_152 = lean_ctor_get(x_149, 0);
-lean_inc(x_152);
-x_153 = lean_ctor_get(x_149, 1);
-lean_inc(x_153);
-if (lean_is_exclusive(x_149)) {
- lean_ctor_release(x_149, 0);
- lean_ctor_release(x_149, 1);
- x_154 = x_149;
+x_157 = lean_ctor_get(x_154, 0);
+lean_inc(x_157);
+x_158 = lean_ctor_get(x_154, 1);
+lean_inc(x_158);
+if (lean_is_exclusive(x_154)) {
+ lean_ctor_release(x_154, 0);
+ lean_ctor_release(x_154, 1);
+ x_159 = x_154;
 } else {
- lean_dec_ref(x_149);
- x_154 = lean_box(0);
+ lean_dec_ref(x_154);
+ x_159 = lean_box(0);
 }
-if (lean_is_scalar(x_154)) {
- x_155 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_159)) {
+ x_160 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_155 = x_154;
+ x_160 = x_159;
 }
-lean_ctor_set(x_155, 0, x_152);
-lean_ctor_set(x_155, 1, x_153);
-return x_155;
+lean_ctor_set(x_160, 0, x_157);
+lean_ctor_set(x_160, 1, x_158);
+return x_160;
 }
 }
 }
 else
 {
-uint8_t x_156; 
-lean_dec(x_117);
-lean_dec(x_116);
+uint8_t x_161; 
+lean_dec(x_123);
+lean_dec(x_122);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -16189,383 +18002,301 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_156 = !lean_is_exclusive(x_118);
-if (x_156 == 0)
+x_161 = !lean_is_exclusive(x_124);
+if (x_161 == 0)
 {
-return x_118;
+return x_124;
 }
 else
 {
-lean_object* x_157; lean_object* x_158; lean_object* x_159; 
-x_157 = lean_ctor_get(x_118, 0);
-x_158 = lean_ctor_get(x_118, 1);
-lean_inc(x_158);
-lean_inc(x_157);
-lean_dec(x_118);
-x_159 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_159, 0, x_157);
-lean_ctor_set(x_159, 1, x_158);
-return x_159;
+lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+x_162 = lean_ctor_get(x_124, 0);
+x_163 = lean_ctor_get(x_124, 1);
+lean_inc(x_163);
+lean_inc(x_162);
+lean_dec(x_124);
+x_164 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_164, 0, x_162);
+lean_ctor_set(x_164, 1, x_163);
+return x_164;
 }
 }
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_10 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-x_12 = lean_ctor_get(x_10, 1);
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; 
+x_12 = lean_st_ref_get(x_10, x_11);
+x_13 = lean_ctor_get(x_12, 1);
+lean_inc(x_13);
+lean_dec(x_12);
+x_14 = lean_st_ref_take(x_4, x_13);
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_14, 1);
+lean_inc(x_16);
+lean_dec(x_14);
+x_17 = !lean_is_exclusive(x_15);
+if (x_17 == 0)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_18 = lean_ctor_get(x_15, 6);
+x_19 = l_Lean_Expr_mvarId_x21(x_2);
+x_20 = lean_array_push(x_18, x_19);
+lean_ctor_set(x_15, 6, x_20);
+x_21 = lean_st_ref_set(x_4, x_15, x_16);
+x_22 = lean_ctor_get(x_21, 1);
+lean_inc(x_22);
+lean_dec(x_21);
+x_23 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
+x_24 = lean_ctor_get(x_23, 1);
+lean_inc(x_24);
+lean_dec(x_23);
+x_25 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_24);
+return x_25;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_26 = lean_ctor_get(x_15, 0);
+x_27 = lean_ctor_get(x_15, 1);
+x_28 = lean_ctor_get(x_15, 2);
+x_29 = lean_ctor_get(x_15, 3);
+x_30 = lean_ctor_get(x_15, 4);
+x_31 = lean_ctor_get(x_15, 5);
+x_32 = lean_ctor_get(x_15, 6);
+x_33 = lean_ctor_get(x_15, 7);
+x_34 = lean_ctor_get_uint8(x_15, sizeof(void*)*9);
+x_35 = lean_ctor_get(x_15, 8);
+lean_inc(x_35);
+lean_inc(x_33);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_15);
+x_36 = l_Lean_Expr_mvarId_x21(x_2);
+x_37 = lean_array_push(x_32, x_36);
+x_38 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_38, 0, x_26);
+lean_ctor_set(x_38, 1, x_27);
+lean_ctor_set(x_38, 2, x_28);
+lean_ctor_set(x_38, 3, x_29);
+lean_ctor_set(x_38, 4, x_30);
+lean_ctor_set(x_38, 5, x_31);
+lean_ctor_set(x_38, 6, x_37);
+lean_ctor_set(x_38, 7, x_33);
+lean_ctor_set(x_38, 8, x_35);
+lean_ctor_set_uint8(x_38, sizeof(void*)*9, x_34);
+x_39 = lean_st_ref_set(x_4, x_38, x_16);
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+lean_dec(x_39);
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = l_Lean_Elab_Term_ElabAppArgs_main(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_42);
+return x_43;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_11 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_12 = lean_ctor_get(x_11, 0);
 lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_13, 0, x_11);
-x_14 = 0;
-x_15 = lean_box(0);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+lean_inc(x_9);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
 lean_inc(x_5);
-x_16 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_13, x_14, x_15, x_5, x_6, x_7, x_8, x_12);
-x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_4);
+lean_inc(x_3);
+lean_inc(x_2);
+x_14 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+if (lean_obj_tag(x_14) == 0)
+{
+lean_object* x_15; uint8_t x_16; 
+x_15 = lean_ctor_get(x_14, 0);
+lean_inc(x_15);
+x_16 = lean_unbox(x_15);
+lean_dec(x_15);
+if (x_16 == 0)
+{
+lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_17 = lean_ctor_get(x_14, 1);
 lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_st_ref_get(x_8, x_18);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_st_ref_take(x_2, x_20);
+lean_dec(x_14);
+x_18 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_18, 0, x_12);
+x_19 = 0;
+x_20 = lean_box(0);
+lean_inc(x_6);
+x_21 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_18, x_19, x_20, x_6, x_7, x_8, x_9, x_17);
 x_22 = lean_ctor_get(x_21, 0);
 lean_inc(x_22);
 x_23 = lean_ctor_get(x_21, 1);
 lean_inc(x_23);
 lean_dec(x_21);
-x_24 = !lean_is_exclusive(x_22);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
-x_25 = lean_ctor_get(x_22, 6);
-x_26 = l_Lean_Expr_mvarId_x21(x_17);
-x_27 = lean_array_push(x_25, x_26);
-lean_ctor_set(x_22, 6, x_27);
-x_28 = lean_st_ref_set(x_2, x_22, x_23);
-x_29 = lean_ctor_get(x_28, 1);
-lean_inc(x_29);
-lean_dec(x_28);
-x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_29);
-x_31 = lean_ctor_get(x_30, 1);
-lean_inc(x_31);
-lean_dec(x_30);
-x_32 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
-return x_32;
-}
-else
-{
-uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_33 = lean_ctor_get_uint8(x_22, sizeof(void*)*8);
-x_34 = lean_ctor_get(x_22, 0);
-x_35 = lean_ctor_get(x_22, 1);
-x_36 = lean_ctor_get(x_22, 2);
-x_37 = lean_ctor_get(x_22, 3);
-x_38 = lean_ctor_get_uint8(x_22, sizeof(void*)*8 + 1);
-x_39 = lean_ctor_get(x_22, 4);
-x_40 = lean_ctor_get(x_22, 5);
-x_41 = lean_ctor_get(x_22, 6);
-x_42 = lean_ctor_get(x_22, 7);
-x_43 = lean_ctor_get_uint8(x_22, sizeof(void*)*8 + 2);
-lean_inc(x_42);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_inc(x_39);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_inc(x_35);
-lean_inc(x_34);
-lean_dec(x_22);
-x_44 = l_Lean_Expr_mvarId_x21(x_17);
-x_45 = lean_array_push(x_41, x_44);
-x_46 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_46, 0, x_34);
-lean_ctor_set(x_46, 1, x_35);
-lean_ctor_set(x_46, 2, x_36);
-lean_ctor_set(x_46, 3, x_37);
-lean_ctor_set(x_46, 4, x_39);
-lean_ctor_set(x_46, 5, x_40);
-lean_ctor_set(x_46, 6, x_45);
-lean_ctor_set(x_46, 7, x_42);
-lean_ctor_set_uint8(x_46, sizeof(void*)*8, x_33);
-lean_ctor_set_uint8(x_46, sizeof(void*)*8 + 1, x_38);
-lean_ctor_set_uint8(x_46, sizeof(void*)*8 + 2, x_43);
-x_47 = lean_st_ref_set(x_2, x_46, x_23);
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_17, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
-x_50 = lean_ctor_get(x_49, 1);
-lean_inc(x_50);
-lean_dec(x_49);
-x_51 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_50);
-return x_51;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_2, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
-lean_dec(x_13);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; uint8_t x_18; 
-x_15 = lean_ctor_get(x_12, 1);
-lean_inc(x_15);
-lean_dec(x_12);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_unbox(x_17);
-lean_dec(x_17);
-if (x_18 == 0)
-{
-lean_object* x_19; lean_object* x_20; 
-lean_dec(x_1);
-x_19 = lean_ctor_get(x_16, 1);
-lean_inc(x_19);
-lean_dec(x_16);
-x_20 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19);
-return x_20;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; 
-x_21 = lean_ctor_get(x_16, 1);
-lean_inc(x_21);
-lean_dec(x_16);
-x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_21);
-return x_22;
-}
-}
-else
-{
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_ctor_get(x_12, 1);
-lean_inc(x_23);
-lean_dec(x_12);
-x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
+x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg___lambda__1(x_1, x_22, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
 return x_24;
 }
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_2, x_11);
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
-lean_dec(x_13);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; uint8_t x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_15 = lean_ctor_get(x_12, 1);
-lean_inc(x_15);
-lean_dec(x_12);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_19, 0, x_17);
-x_20 = 1;
-x_21 = lean_box(0);
-lean_inc(x_5);
-x_22 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_19, x_20, x_21, x_5, x_6, x_7, x_8, x_18);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = l_Lean_Expr_mvarId_x21(x_23);
-x_26 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_25, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_24);
-x_27 = lean_ctor_get(x_26, 1);
-lean_inc(x_27);
-lean_dec(x_26);
-x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_23, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_27);
-x_29 = lean_ctor_get(x_28, 1);
-lean_inc(x_29);
-lean_dec(x_28);
-x_30 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_29);
-return x_30;
-}
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_31 = lean_ctor_get(x_12, 1);
+lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_25 = lean_ctor_get(x_14, 1);
+lean_inc(x_25);
+lean_dec(x_14);
+x_26 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_26, 0, x_12);
+x_27 = 0;
+x_28 = lean_box(0);
+lean_inc(x_6);
+x_29 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_26, x_27, x_28, x_6, x_7, x_8, x_9, x_25);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
-lean_dec(x_12);
-x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
-x_33 = lean_ctor_get(x_32, 0);
+lean_dec(x_29);
+x_32 = lean_st_ref_get(x_9, x_31);
+x_33 = lean_ctor_get(x_32, 1);
 lean_inc(x_33);
-x_34 = lean_unbox(x_33);
-lean_dec(x_33);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; 
-x_35 = lean_ctor_get(x_32, 1);
+lean_dec(x_32);
+x_34 = lean_st_ref_take(x_3, x_33);
+x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
-lean_dec(x_32);
-x_36 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_35);
-return x_36;
-}
-else
+x_36 = lean_ctor_get(x_34, 1);
+lean_inc(x_36);
+lean_dec(x_34);
+x_37 = !lean_is_exclusive(x_35);
+if (x_37 == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
-x_37 = lean_ctor_get(x_32, 1);
-lean_inc(x_37);
-lean_dec(x_32);
-x_38 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_37);
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
-lean_inc(x_40);
+lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_38 = lean_ctor_get(x_35, 8);
 lean_dec(x_38);
-x_41 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_41, 0, x_39);
-x_42 = 1;
-x_43 = lean_box(0);
-lean_inc(x_5);
-x_44 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_41, x_42, x_43, x_5, x_6, x_7, x_8, x_40);
-x_45 = lean_ctor_get(x_44, 0);
-lean_inc(x_45);
-x_46 = lean_ctor_get(x_44, 1);
-lean_inc(x_46);
-lean_dec(x_44);
-x_47 = lean_st_ref_get(x_8, x_46);
-x_48 = lean_ctor_get(x_47, 1);
-lean_inc(x_48);
-lean_dec(x_47);
-x_49 = lean_st_ref_take(x_2, x_48);
-x_50 = lean_ctor_get(x_49, 0);
-lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
-x_52 = !lean_is_exclusive(x_50);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_53 = lean_ctor_get(x_50, 2);
-x_54 = l_List_tail_x21___rarg(x_53);
-lean_ctor_set(x_50, 2, x_54);
-x_55 = lean_st_ref_set(x_2, x_50, x_51);
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-lean_dec(x_55);
-x_57 = l_Lean_Expr_mvarId_x21(x_45);
-x_58 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_57, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_56);
-x_59 = lean_ctor_get(x_58, 1);
-lean_inc(x_59);
-lean_dec(x_58);
-x_60 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_45, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_59);
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-lean_dec(x_60);
-x_62 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_61);
-return x_62;
+x_39 = l_Lean_Expr_mvarId_x21(x_30);
+x_40 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_40, 0, x_39);
+x_41 = 0;
+lean_ctor_set(x_35, 8, x_40);
+lean_ctor_set_uint8(x_35, sizeof(void*)*9, x_41);
+x_42 = lean_st_ref_set(x_3, x_35, x_36);
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+lean_dec(x_42);
+x_44 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg___lambda__1(x_1, x_30, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
+return x_44;
 }
 else
 {
-uint8_t x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-x_63 = lean_ctor_get_uint8(x_50, sizeof(void*)*8);
-x_64 = lean_ctor_get(x_50, 0);
-x_65 = lean_ctor_get(x_50, 1);
-x_66 = lean_ctor_get(x_50, 2);
-x_67 = lean_ctor_get(x_50, 3);
-x_68 = lean_ctor_get_uint8(x_50, sizeof(void*)*8 + 1);
-x_69 = lean_ctor_get(x_50, 4);
-x_70 = lean_ctor_get(x_50, 5);
-x_71 = lean_ctor_get(x_50, 6);
-x_72 = lean_ctor_get(x_50, 7);
-x_73 = lean_ctor_get_uint8(x_50, sizeof(void*)*8 + 2);
-lean_inc(x_72);
-lean_inc(x_71);
-lean_inc(x_70);
-lean_inc(x_69);
-lean_inc(x_67);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_50);
-x_74 = l_List_tail_x21___rarg(x_66);
-x_75 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_75, 0, x_64);
-lean_ctor_set(x_75, 1, x_65);
-lean_ctor_set(x_75, 2, x_74);
-lean_ctor_set(x_75, 3, x_67);
-lean_ctor_set(x_75, 4, x_69);
-lean_ctor_set(x_75, 5, x_70);
-lean_ctor_set(x_75, 6, x_71);
-lean_ctor_set(x_75, 7, x_72);
-lean_ctor_set_uint8(x_75, sizeof(void*)*8, x_63);
-lean_ctor_set_uint8(x_75, sizeof(void*)*8 + 1, x_68);
-lean_ctor_set_uint8(x_75, sizeof(void*)*8 + 2, x_73);
-x_76 = lean_st_ref_set(x_2, x_75, x_51);
-x_77 = lean_ctor_get(x_76, 1);
-lean_inc(x_77);
-lean_dec(x_76);
-x_78 = l_Lean_Expr_mvarId_x21(x_45);
-x_79 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_78, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_77);
-x_80 = lean_ctor_get(x_79, 1);
-lean_inc(x_80);
-lean_dec(x_79);
-x_81 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_45, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_80);
-x_82 = lean_ctor_get(x_81, 1);
-lean_inc(x_82);
-lean_dec(x_81);
-x_83 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_82);
-return x_83;
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_45 = lean_ctor_get(x_35, 0);
+x_46 = lean_ctor_get(x_35, 1);
+x_47 = lean_ctor_get(x_35, 2);
+x_48 = lean_ctor_get(x_35, 3);
+x_49 = lean_ctor_get(x_35, 4);
+x_50 = lean_ctor_get(x_35, 5);
+x_51 = lean_ctor_get(x_35, 6);
+x_52 = lean_ctor_get(x_35, 7);
+lean_inc(x_52);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_inc(x_45);
+lean_dec(x_35);
+x_53 = l_Lean_Expr_mvarId_x21(x_30);
+x_54 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_54, 0, x_53);
+x_55 = 0;
+x_56 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_56, 0, x_45);
+lean_ctor_set(x_56, 1, x_46);
+lean_ctor_set(x_56, 2, x_47);
+lean_ctor_set(x_56, 3, x_48);
+lean_ctor_set(x_56, 4, x_49);
+lean_ctor_set(x_56, 5, x_50);
+lean_ctor_set(x_56, 6, x_51);
+lean_ctor_set(x_56, 7, x_52);
+lean_ctor_set(x_56, 8, x_54);
+lean_ctor_set_uint8(x_56, sizeof(void*)*9, x_55);
+x_57 = lean_st_ref_set(x_3, x_56, x_36);
+x_58 = lean_ctor_get(x_57, 1);
+lean_inc(x_58);
+lean_dec(x_57);
+x_59 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg___lambda__1(x_1, x_30, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_58);
+return x_59;
+}
+}
+}
+else
+{
+uint8_t x_60; 
+lean_dec(x_12);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_60 = !lean_is_exclusive(x_14);
+if (x_60 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_14, 0);
+x_62 = lean_ctor_get(x_14, 1);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_dec(x_14);
+x_63 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_63, 0, x_61);
+lean_ctor_set(x_63, 1, x_62);
+return x_63;
 }
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processStrictImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_10 = lean_st_ref_get(x_8, x_9);
-x_11 = lean_ctor_get(x_10, 1);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_st_ref_get(x_2, x_11);
+uint8_t x_11; 
+x_11 = lean_ctor_get_uint8(x_2, 1);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_hasArgsToProcess___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 x_13 = lean_ctor_get(x_12, 0);
 lean_inc(x_13);
-x_14 = lean_ctor_get_uint8(x_13, sizeof(void*)*8);
+x_14 = lean_unbox(x_13);
 lean_dec(x_13);
 if (x_14 == 0)
 {
 lean_object* x_15; lean_object* x_16; 
+lean_dec(x_1);
 x_15 = lean_ctor_get(x_12, 1);
 lean_inc(x_15);
 lean_dec(x_12);
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_15);
+x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_15);
 return x_16;
 }
 else
@@ -16574,26 +18305,218 @@ lean_object* x_17; lean_object* x_18;
 x_17 = lean_ctor_get(x_12, 1);
 lean_inc(x_17);
 lean_dec(x_12);
-x_18 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_17);
+x_18 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
 return x_18;
 }
 }
+else
+{
+lean_object* x_19; 
+x_19 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_19;
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processInstImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-uint8_t x_13; lean_object* x_14; 
-x_13 = lean_unbox(x_2);
+uint8_t x_11; 
+x_11 = lean_ctor_get_uint8(x_2, 1);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+lean_dec(x_12);
+x_15 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_15, 0, x_13);
+x_16 = 1;
+x_17 = lean_box(0);
+lean_inc(x_6);
+x_18 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_15, x_16, x_17, x_6, x_7, x_8, x_9, x_14);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l_Lean_Expr_mvarId_x21(x_19);
+x_22 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_21, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_20);
+x_23 = lean_ctor_get(x_22, 1);
+lean_inc(x_23);
+lean_dec(x_22);
+x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_19, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
+x_25 = lean_ctor_get(x_24, 1);
+lean_inc(x_25);
+lean_dec(x_24);
+x_26 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_25);
+return x_26;
+}
+else
+{
+lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+x_27 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextArgHole___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_unbox(x_28);
+lean_dec(x_28);
+if (x_29 == 0)
+{
+lean_object* x_30; lean_object* x_31; 
+x_30 = lean_ctor_get(x_27, 1);
+lean_inc(x_30);
+lean_dec(x_27);
+x_31 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_30);
+return x_31;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
+x_32 = lean_ctor_get(x_27, 1);
+lean_inc(x_32);
+lean_dec(x_27);
+x_33 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_getArgExpectedType___rarg(x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_33, 1);
+lean_inc(x_35);
+lean_dec(x_33);
+x_36 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_36, 0, x_34);
+x_37 = 1;
+x_38 = lean_box(0);
+lean_inc(x_6);
+x_39 = l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl(x_36, x_37, x_38, x_6, x_7, x_8, x_9, x_35);
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+x_42 = lean_st_ref_get(x_9, x_41);
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+lean_dec(x_42);
+x_44 = lean_st_ref_take(x_3, x_43);
+x_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 1);
+lean_inc(x_46);
+lean_dec(x_44);
+x_47 = !lean_is_exclusive(x_45);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_48 = lean_ctor_get(x_45, 2);
+x_49 = l_List_tail_x21___rarg(x_48);
+lean_ctor_set(x_45, 2, x_49);
+x_50 = lean_st_ref_set(x_3, x_45, x_46);
+x_51 = lean_ctor_get(x_50, 1);
+lean_inc(x_51);
+lean_dec(x_50);
+x_52 = l_Lean_Expr_mvarId_x21(x_40);
+x_53 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_52, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_51);
+x_54 = lean_ctor_get(x_53, 1);
+lean_inc(x_54);
+lean_dec(x_53);
+x_55 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_40, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_54);
+x_56 = lean_ctor_get(x_55, 1);
+lean_inc(x_56);
+lean_dec(x_55);
+x_57 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_56);
+return x_57;
+}
+else
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; uint8_t x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_58 = lean_ctor_get(x_45, 0);
+x_59 = lean_ctor_get(x_45, 1);
+x_60 = lean_ctor_get(x_45, 2);
+x_61 = lean_ctor_get(x_45, 3);
+x_62 = lean_ctor_get(x_45, 4);
+x_63 = lean_ctor_get(x_45, 5);
+x_64 = lean_ctor_get(x_45, 6);
+x_65 = lean_ctor_get(x_45, 7);
+x_66 = lean_ctor_get_uint8(x_45, sizeof(void*)*9);
+x_67 = lean_ctor_get(x_45, 8);
+lean_inc(x_67);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_45);
+x_68 = l_List_tail_x21___rarg(x_60);
+x_69 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_69, 0, x_58);
+lean_ctor_set(x_69, 1, x_59);
+lean_ctor_set(x_69, 2, x_68);
+lean_ctor_set(x_69, 3, x_61);
+lean_ctor_set(x_69, 4, x_62);
+lean_ctor_set(x_69, 5, x_63);
+lean_ctor_set(x_69, 6, x_64);
+lean_ctor_set(x_69, 7, x_65);
+lean_ctor_set(x_69, 8, x_67);
+lean_ctor_set_uint8(x_69, sizeof(void*)*9, x_66);
+x_70 = lean_st_ref_set(x_3, x_69, x_46);
+x_71 = lean_ctor_get(x_70, 1);
+lean_inc(x_71);
+lean_dec(x_70);
+x_72 = l_Lean_Expr_mvarId_x21(x_40);
+x_73 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addInstMVar(x_72, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_71);
+x_74 = lean_ctor_get(x_73, 1);
+lean_inc(x_74);
+lean_dec(x_73);
+x_75 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addNewArg(x_1, x_40, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_74);
+x_76 = lean_ctor_get(x_75, 1);
+lean_inc(x_76);
+lean_dec(x_75);
+x_77 = l_Lean_Elab_Term_ElabAppArgs_main(x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_76);
+return x_77;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processImplicitArg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+uint8_t x_11; 
+x_11 = lean_ctor_get_uint8(x_2, 1);
+if (x_11 == 0)
+{
+lean_object* x_12; 
+x_12 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addImplicitArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_12;
+}
+else
+{
+lean_object* x_13; 
+x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+return x_13;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+uint8_t x_14; lean_object* x_15; 
+x_14 = lean_unbox(x_2);
 lean_dec(x_2);
-x_14 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(x_1, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_14;
+x_15 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_addEtaArg___spec__1___rarg(x_1, x_14, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_15;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
-lean_object* x_10; 
-x_10 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_object* x_11; 
+x_11 = l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -16601,7 +18524,7 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_10;
+return x_11;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
@@ -16613,17 +18536,18 @@ lean_dec(x_2);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_6; 
-x_6 = l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(x_1, x_2, x_3, x_4, x_5);
+lean_object* x_7; 
+x_7 = l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-return x_6;
+return x_7;
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_propagateExpectedTypeFor(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
@@ -16729,236 +18653,240 @@ lean_dec(x_1);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1(lean_object* x_1, uint8_t x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
 _start:
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_16 = l___private_Lean_Elab_App_0__Lean_Elab_Term_propagateExpectedTypeFor(x_1, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_16, 1);
-lean_inc(x_18);
-lean_dec(x_16);
-x_19 = lean_array_to_list(lean_box(0), x_2);
-x_20 = lean_array_to_list(lean_box(0), x_3);
-x_21 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
-x_22 = lean_alloc_ctor(0, 8, 3);
-lean_ctor_set(x_22, 0, x_1);
-lean_ctor_set(x_22, 1, x_5);
-lean_ctor_set(x_22, 2, x_19);
-lean_ctor_set(x_22, 3, x_20);
-lean_ctor_set(x_22, 4, x_7);
-lean_ctor_set(x_22, 5, x_21);
-lean_ctor_set(x_22, 6, x_21);
-lean_ctor_set(x_22, 7, x_21);
-lean_ctor_set_uint8(x_22, sizeof(void*)*8, x_4);
-lean_ctor_set_uint8(x_22, sizeof(void*)*8 + 1, x_6);
-x_23 = lean_unbox(x_17);
-lean_dec(x_17);
-lean_ctor_set_uint8(x_22, sizeof(void*)*8 + 2, x_23);
-x_24 = lean_st_ref_get(x_14, x_18);
-x_25 = lean_ctor_get(x_24, 1);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = lean_st_mk_ref(x_22, x_25);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-lean_inc(x_14);
-lean_inc(x_27);
-x_29 = l_Lean_Elab_Term_ElabAppArgs_main(x_27, x_9, x_10, x_11, x_12, x_13, x_14, x_28);
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-lean_dec(x_29);
-x_32 = lean_st_ref_get(x_14, x_31);
-lean_dec(x_14);
-x_33 = lean_ctor_get(x_32, 1);
-lean_inc(x_33);
-lean_dec(x_32);
-x_34 = lean_st_ref_get(x_27, x_33);
-lean_dec(x_27);
-x_35 = !lean_is_exclusive(x_34);
-if (x_35 == 0)
-{
-lean_object* x_36; 
-x_36 = lean_ctor_get(x_34, 0);
-lean_dec(x_36);
-lean_ctor_set(x_34, 0, x_30);
-return x_34;
-}
-else
-{
-lean_object* x_37; lean_object* x_38; 
-x_37 = lean_ctor_get(x_34, 1);
-lean_inc(x_37);
-lean_dec(x_34);
-x_38 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_38, 0, x_30);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
-}
-}
-else
-{
-uint8_t x_39; 
-lean_dec(x_27);
-lean_dec(x_14);
-x_39 = !lean_is_exclusive(x_29);
-if (x_39 == 0)
-{
-return x_29;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_29, 0);
-x_41 = lean_ctor_get(x_29, 1);
-lean_inc(x_41);
-lean_inc(x_40);
-lean_dec(x_29);
-x_42 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-return x_42;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, uint8_t x_4, lean_object* x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
-{
-uint8_t x_16; 
-lean_dec(x_8);
-x_16 = l_Array_isEmpty___rarg(x_3);
-if (x_16 == 0)
-{
-lean_object* x_17; 
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_9);
-lean_inc(x_5);
-x_17 = l_Lean_Elab_Term_tryPostponeIfMVar(x_5, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_17 = l___private_Lean_Elab_App_0__Lean_Elab_Term_propagateExpectedTypeFor(x_1, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
 x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
 x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
 lean_dec(x_17);
-x_20 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_18, x_9, x_10, x_11, x_12, x_13, x_14, x_19);
+x_20 = lean_alloc_ctor(0, 0, 3);
+lean_ctor_set_uint8(x_20, 0, x_2);
+lean_ctor_set_uint8(x_20, 1, x_3);
+lean_ctor_set_uint8(x_20, 2, x_4);
+x_21 = lean_array_to_list(lean_box(0), x_5);
+x_22 = lean_array_to_list(lean_box(0), x_6);
+x_23 = lean_box(0);
+x_24 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_25 = lean_alloc_ctor(0, 9, 1);
+lean_ctor_set(x_25, 0, x_1);
+lean_ctor_set(x_25, 1, x_7);
+lean_ctor_set(x_25, 2, x_21);
+lean_ctor_set(x_25, 3, x_22);
+lean_ctor_set(x_25, 4, x_8);
+lean_ctor_set(x_25, 5, x_24);
+lean_ctor_set(x_25, 6, x_24);
+lean_ctor_set(x_25, 7, x_24);
+lean_ctor_set(x_25, 8, x_23);
+x_26 = lean_unbox(x_18);
 lean_dec(x_18);
-return x_20;
+lean_ctor_set_uint8(x_25, sizeof(void*)*9, x_26);
+x_27 = lean_st_ref_get(x_15, x_19);
+x_28 = lean_ctor_get(x_27, 1);
+lean_inc(x_28);
+lean_dec(x_27);
+x_29 = lean_st_mk_ref(x_25, x_28);
+x_30 = lean_ctor_get(x_29, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_29, 1);
+lean_inc(x_31);
+lean_dec(x_29);
+lean_inc(x_15);
+lean_inc(x_30);
+x_32 = l_Lean_Elab_Term_ElabAppArgs_main(x_20, x_30, x_10, x_11, x_12, x_13, x_14, x_15, x_31);
+if (lean_obj_tag(x_32) == 0)
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_32, 1);
+lean_inc(x_34);
+lean_dec(x_32);
+x_35 = lean_st_ref_get(x_15, x_34);
+lean_dec(x_15);
+x_36 = lean_ctor_get(x_35, 1);
+lean_inc(x_36);
+lean_dec(x_35);
+x_37 = lean_st_ref_get(x_30, x_36);
+lean_dec(x_30);
+x_38 = !lean_is_exclusive(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; 
+x_39 = lean_ctor_get(x_37, 0);
+lean_dec(x_39);
+lean_ctor_set(x_37, 0, x_33);
+return x_37;
 }
 else
 {
-uint8_t x_21; 
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
+lean_object* x_40; lean_object* x_41; 
+x_40 = lean_ctor_get(x_37, 1);
+lean_inc(x_40);
+lean_dec(x_37);
+x_41 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_41, 0, x_33);
+lean_ctor_set(x_41, 1, x_40);
+return x_41;
+}
+}
+else
+{
+uint8_t x_42; 
+lean_dec(x_30);
+lean_dec(x_15);
+x_42 = !lean_is_exclusive(x_32);
+if (x_42 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_32, 0);
+x_44 = lean_ctor_get(x_32, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_32);
+x_45 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+return x_45;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2(lean_object* x_1, uint8_t x_2, uint8_t x_3, uint8_t x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+uint8_t x_17; 
 lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_21 = !lean_is_exclusive(x_17);
-if (x_21 == 0)
+x_17 = l_Array_isEmpty___rarg(x_6);
+if (x_17 == 0)
 {
-return x_17;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_22 = lean_ctor_get(x_17, 0);
-x_23 = lean_ctor_get(x_17, 1);
-lean_inc(x_23);
-lean_inc(x_22);
-lean_dec(x_17);
-x_24 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_24, 0, x_22);
-lean_ctor_set(x_24, 1, x_23);
-return x_24;
-}
-}
-}
-else
-{
-uint8_t x_25; 
-x_25 = l_Array_isEmpty___rarg(x_2);
-if (x_25 == 0)
-{
-lean_object* x_26; 
+lean_object* x_18; 
+lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_9);
-lean_inc(x_5);
-x_26 = l_Lean_Elab_Term_tryPostponeIfMVar(x_5, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-if (lean_obj_tag(x_26) == 0)
+lean_inc(x_10);
+lean_inc(x_7);
+x_18 = l_Lean_Elab_Term_tryPostponeIfMVar(x_7, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-x_29 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_27, x_9, x_10, x_11, x_12, x_13, x_14, x_28);
-lean_dec(x_27);
-return x_29;
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_19, x_10, x_11, x_12, x_13, x_14, x_15, x_20);
+lean_dec(x_19);
+return x_21;
 }
 else
 {
-uint8_t x_30; 
+uint8_t x_22; 
+lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_9);
+lean_dec(x_8);
 lean_dec(x_7);
+lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_3);
-lean_dec(x_2);
 lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_26);
-if (x_30 == 0)
+x_22 = !lean_is_exclusive(x_18);
+if (x_22 == 0)
 {
-return x_26;
+return x_18;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_26, 0);
-x_32 = lean_ctor_get(x_26, 1);
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_18, 0);
+x_24 = lean_ctor_get(x_18, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_18);
+x_25 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_25, 0, x_23);
+lean_ctor_set(x_25, 1, x_24);
+return x_25;
+}
+}
+}
+else
+{
+uint8_t x_26; 
+x_26 = l_Array_isEmpty___rarg(x_5);
+if (x_26 == 0)
+{
+lean_object* x_27; 
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_10);
+lean_inc(x_7);
+x_27 = l_Lean_Elab_Term_tryPostponeIfMVar(x_7, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+if (lean_obj_tag(x_27) == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_27, 0);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
+x_30 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_28, x_10, x_11, x_12, x_13, x_14, x_15, x_29);
+lean_dec(x_28);
+return x_30;
+}
+else
+{
+uint8_t x_31; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+x_31 = !lean_is_exclusive(x_27);
+if (x_31 == 0)
+{
+return x_27;
+}
+else
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_27, 0);
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
 lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_26);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_dec(x_27);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
 }
 }
 }
 else
 {
-lean_object* x_34; lean_object* x_35; 
-x_34 = lean_box(0);
-x_35 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_34, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-return x_35;
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_box(0);
+x_36 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_35, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+return x_36;
 }
 }
 }
@@ -17119,212 +19047,430 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, uint8_t x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+static lean_object* _init_l_Lean_Elab_Term_elabAppArgs___closed__17() {
 _start:
 {
-lean_object* x_14; 
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Internal", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_elabAppArgs___closed__18() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_shouldPropagateExpectedTypeFor___closed__2;
+x_2 = l_Lean_Elab_Term_elabAppArgs___closed__17;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_elabAppArgs___closed__19() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("coeM", 4);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_elabAppArgs___closed__20() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_elabAppArgs___closed__18;
+x_2 = l_Lean_Elab_Term_elabAppArgs___closed__19;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5, uint8_t x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; lean_object* x_16; lean_object* x_17; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; lean_object* x_69; 
+x_63 = lean_st_ref_get(x_13, x_14);
+x_64 = lean_ctor_get(x_63, 0);
+lean_inc(x_64);
+x_65 = lean_ctor_get(x_63, 1);
+lean_inc(x_65);
+lean_dec(x_63);
+x_66 = lean_ctor_get(x_64, 0);
+lean_inc(x_66);
+lean_dec(x_64);
+x_67 = l_Lean_Elab_Term_elabAppArgs___closed__20;
+x_68 = l_Lean_Environment_contains(x_66, x_67);
+lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
 lean_inc(x_1);
-x_14 = lean_infer_type(x_1, x_9, x_10, x_11, x_12, x_13);
-if (lean_obj_tag(x_14) == 0)
+x_69 = lean_infer_type(x_1, x_10, x_11, x_12, x_13, x_65);
+if (x_68 == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-x_17 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
-lean_dec(x_17);
-x_20 = l_Lean_Elab_Term_elabAppArgs___closed__2;
-x_50 = lean_st_ref_get(x_12, x_19);
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_51, 3);
-lean_inc(x_52);
-lean_dec(x_51);
-x_53 = lean_ctor_get_uint8(x_52, sizeof(void*)*1);
-lean_dec(x_52);
-if (x_53 == 0)
+if (lean_obj_tag(x_69) == 0)
 {
-lean_object* x_54; uint8_t x_55; 
-x_54 = lean_ctor_get(x_50, 1);
-lean_inc(x_54);
-lean_dec(x_50);
-x_55 = 0;
-x_21 = x_55;
-x_22 = x_54;
-goto block_49;
+lean_object* x_70; lean_object* x_71; uint8_t x_72; 
+x_70 = lean_ctor_get(x_69, 0);
+lean_inc(x_70);
+x_71 = lean_ctor_get(x_69, 1);
+lean_inc(x_71);
+lean_dec(x_69);
+x_72 = 0;
+x_15 = x_72;
+x_16 = x_70;
+x_17 = x_71;
+goto block_62;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; uint8_t x_60; 
-x_56 = lean_ctor_get(x_50, 1);
-lean_inc(x_56);
-lean_dec(x_50);
-x_57 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_20, x_7, x_8, x_9, x_10, x_11, x_12, x_56);
-x_58 = lean_ctor_get(x_57, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
-lean_inc(x_59);
-lean_dec(x_57);
-x_60 = lean_unbox(x_58);
-lean_dec(x_58);
-x_21 = x_60;
-x_22 = x_59;
-goto block_49;
-}
-block_49:
-{
-if (x_21 == 0)
-{
-lean_object* x_23; lean_object* x_24; 
-x_23 = lean_box(0);
-x_24 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_3, x_2, x_5, x_18, x_6, x_4, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_22);
-return x_24;
-}
-else
-{
-lean_object* x_25; lean_object* x_26; 
-lean_inc(x_1);
-x_25 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_25, 0, x_1);
-lean_inc(x_18);
-x_26 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_26, 0, x_18);
-if (x_5 == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_27 = l_Lean_Elab_Term_elabAppArgs___closed__11;
-x_28 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_25);
-x_29 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4;
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-x_31 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_26);
-x_32 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_20, x_33, x_7, x_8, x_9, x_10, x_11, x_12, x_22);
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 1);
-lean_inc(x_36);
-lean_dec(x_34);
-x_37 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_3, x_2, x_5, x_18, x_6, x_4, x_35, x_7, x_8, x_9, x_10, x_11, x_12, x_36);
-return x_37;
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_38 = l_Lean_Elab_Term_elabAppArgs___closed__16;
-x_39 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_39, 0, x_38);
-lean_ctor_set(x_39, 1, x_25);
-x_40 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4;
-x_41 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-x_42 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_26);
-x_43 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
-x_44 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_43);
-x_45 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_20, x_44, x_7, x_8, x_9, x_10, x_11, x_12, x_22);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
-lean_inc(x_47);
-lean_dec(x_45);
-x_48 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_3, x_2, x_5, x_18, x_6, x_4, x_46, x_7, x_8, x_9, x_10, x_11, x_12, x_47);
-return x_48;
-}
-}
-}
-}
-else
-{
-uint8_t x_61; 
+uint8_t x_73; 
+lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_14);
-if (x_61 == 0)
+x_73 = !lean_is_exclusive(x_69);
+if (x_73 == 0)
 {
-return x_14;
+return x_69;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_14, 0);
-x_63 = lean_ctor_get(x_14, 1);
-lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_14);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_69, 0);
+x_75 = lean_ctor_get(x_69, 1);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_dec(x_69);
+x_76 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_76, 0, x_74);
+lean_ctor_set(x_76, 1, x_75);
+return x_76;
 }
 }
 }
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
+else
 {
-uint8_t x_16; uint8_t x_17; lean_object* x_18; 
-x_16 = lean_unbox(x_4);
-lean_dec(x_4);
-x_17 = lean_unbox(x_6);
-lean_dec(x_6);
-x_18 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_2, x_3, x_16, x_5, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+if (x_7 == 0)
+{
+if (lean_obj_tag(x_69) == 0)
+{
+lean_object* x_77; lean_object* x_78; uint8_t x_79; 
+x_77 = lean_ctor_get(x_69, 0);
+lean_inc(x_77);
+x_78 = lean_ctor_get(x_69, 1);
+lean_inc(x_78);
+lean_dec(x_69);
+x_79 = 0;
+x_15 = x_79;
+x_16 = x_77;
+x_17 = x_78;
+goto block_62;
+}
+else
+{
+uint8_t x_80; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
 lean_dec(x_8);
-return x_18;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
-_start:
-{
-uint8_t x_16; uint8_t x_17; lean_object* x_18; 
-x_16 = lean_unbox(x_4);
 lean_dec(x_4);
-x_17 = lean_unbox(x_6);
-lean_dec(x_6);
-x_18 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_2, x_3, x_16, x_5, x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
-return x_18;
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_80 = !lean_is_exclusive(x_69);
+if (x_80 == 0)
+{
+return x_69;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; 
+x_81 = lean_ctor_get(x_69, 0);
+x_82 = lean_ctor_get(x_69, 1);
+lean_inc(x_82);
+lean_inc(x_81);
+lean_dec(x_69);
+x_83 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_83, 0, x_81);
+lean_ctor_set(x_83, 1, x_82);
+return x_83;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+}
+else
+{
+if (x_5 == 0)
+{
+if (lean_obj_tag(x_69) == 0)
+{
+lean_object* x_84; lean_object* x_85; uint8_t x_86; 
+x_84 = lean_ctor_get(x_69, 0);
+lean_inc(x_84);
+x_85 = lean_ctor_get(x_69, 1);
+lean_inc(x_85);
+lean_dec(x_69);
+x_86 = 1;
+x_15 = x_86;
+x_16 = x_84;
+x_17 = x_85;
+goto block_62;
+}
+else
+{
+uint8_t x_87; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_87 = !lean_is_exclusive(x_69);
+if (x_87 == 0)
+{
+return x_69;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_69, 0);
+x_89 = lean_ctor_get(x_69, 1);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_69);
+x_90 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_90, 0, x_88);
+lean_ctor_set(x_90, 1, x_89);
+return x_90;
+}
+}
+}
+else
+{
+if (lean_obj_tag(x_69) == 0)
+{
+lean_object* x_91; lean_object* x_92; uint8_t x_93; 
+x_91 = lean_ctor_get(x_69, 0);
+lean_inc(x_91);
+x_92 = lean_ctor_get(x_69, 1);
+lean_inc(x_92);
+lean_dec(x_69);
+x_93 = 0;
+x_15 = x_93;
+x_16 = x_91;
+x_17 = x_92;
+goto block_62;
+}
+else
+{
+uint8_t x_94; 
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_94 = !lean_is_exclusive(x_69);
+if (x_94 == 0)
+{
+return x_69;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_69, 0);
+x_96 = lean_ctor_get(x_69, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_69);
+x_97 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+return x_97;
+}
+}
+}
+}
+}
+block_62:
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint8_t x_54; 
+x_18 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_16, x_8, x_9, x_10, x_11, x_12, x_13, x_17);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_18, 1);
+lean_inc(x_20);
+lean_dec(x_18);
+x_21 = l_Lean_Elab_Term_elabAppArgs___closed__2;
+x_51 = lean_st_ref_get(x_13, x_20);
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_52, 3);
+lean_inc(x_53);
+lean_dec(x_52);
+x_54 = lean_ctor_get_uint8(x_53, sizeof(void*)*1);
+lean_dec(x_53);
+if (x_54 == 0)
+{
+lean_object* x_55; uint8_t x_56; 
+x_55 = lean_ctor_get(x_51, 1);
+lean_inc(x_55);
+lean_dec(x_51);
+x_56 = 0;
+x_22 = x_56;
+x_23 = x_55;
+goto block_50;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint8_t x_61; 
+x_57 = lean_ctor_get(x_51, 1);
+lean_inc(x_57);
+lean_dec(x_51);
+x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_57);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = lean_unbox(x_59);
+lean_dec(x_59);
+x_22 = x_61;
+x_23 = x_60;
+goto block_50;
+}
+block_50:
+{
+if (x_22 == 0)
+{
+lean_object* x_24; lean_object* x_25; 
+x_24 = lean_box(0);
+x_25 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_6, x_5, x_15, x_3, x_2, x_19, x_4, x_24, x_8, x_9, x_10, x_11, x_12, x_13, x_23);
+return x_25;
+}
+else
+{
+lean_object* x_26; lean_object* x_27; 
+lean_inc(x_1);
+x_26 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_26, 0, x_1);
+lean_inc(x_19);
+x_27 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_27, 0, x_19);
+if (x_5 == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_28 = l_Lean_Elab_Term_elabAppArgs___closed__11;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_26);
+x_30 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4;
+x_31 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_31, 0, x_29);
+lean_ctor_set(x_31, 1, x_30);
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_27);
+x_33 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_34, x_8, x_9, x_10, x_11, x_12, x_13, x_23);
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_6, x_5, x_15, x_3, x_2, x_19, x_4, x_36, x_8, x_9, x_10, x_11, x_12, x_13, x_37);
+return x_38;
+}
+else
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_39 = l_Lean_Elab_Term_elabAppArgs___closed__16;
+x_40 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_26);
+x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4;
+x_42 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+x_43 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_43, 0, x_42);
+lean_ctor_set(x_43, 1, x_27);
+x_44 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
+x_45 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_45, x_8, x_9, x_10, x_11, x_12, x_13, x_23);
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 1);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_6, x_5, x_15, x_3, x_2, x_19, x_4, x_47, x_8, x_9, x_10, x_11, x_12, x_13, x_48);
+return x_49;
+}
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
 _start:
 {
-uint8_t x_14; uint8_t x_15; lean_object* x_16; 
-x_14 = lean_unbox(x_5);
+uint8_t x_17; uint8_t x_18; uint8_t x_19; lean_object* x_20; 
+x_17 = lean_unbox(x_2);
+lean_dec(x_2);
+x_18 = lean_unbox(x_3);
+lean_dec(x_3);
+x_19 = lean_unbox(x_4);
+lean_dec(x_4);
+x_20 = l_Lean_Elab_Term_elabAppArgs___lambda__1(x_1, x_17, x_18, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+lean_dec(x_9);
+return x_20;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
+_start:
+{
+uint8_t x_17; uint8_t x_18; uint8_t x_19; lean_object* x_20; 
+x_17 = lean_unbox(x_2);
+lean_dec(x_2);
+x_18 = lean_unbox(x_3);
+lean_dec(x_3);
+x_19 = lean_unbox(x_4);
+lean_dec(x_4);
+x_20 = l_Lean_Elab_Term_elabAppArgs___lambda__2(x_1, x_17, x_18, x_19, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13, x_14, x_15, x_16);
+return x_20;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabAppArgs___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14) {
+_start:
+{
+uint8_t x_15; uint8_t x_16; uint8_t x_17; lean_object* x_18; 
+x_15 = lean_unbox(x_5);
 lean_dec(x_5);
-x_15 = lean_unbox(x_6);
+x_16 = lean_unbox(x_6);
 lean_dec(x_6);
-x_16 = l_Lean_Elab_Term_elabAppArgs(x_1, x_2, x_3, x_4, x_14, x_15, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
-return x_16;
+x_17 = lean_unbox(x_7);
+lean_dec(x_7);
+x_18 = l_Lean_Elab_Term_elabAppArgs(x_1, x_2, x_3, x_4, x_15, x_16, x_17, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_18;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___spec__1___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
@@ -20944,7 +23090,7 @@ lean_inc(x_3);
 x_14 = l_Lean_Elab_Term_mkConst(x_11, x_13, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
 if (lean_obj_tag(x_14) == 0)
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; 
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; uint8_t x_26; lean_object* x_27; 
 x_15 = lean_ctor_get(x_14, 0);
 lean_inc(x_15);
 x_16 = lean_ctor_get(x_14, 1);
@@ -20963,29 +23109,30 @@ x_22 = lean_array_push(x_21, x_20);
 x_23 = lean_box(0);
 x_24 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
 x_25 = 0;
+x_26 = 1;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_26 = l_Lean_Elab_Term_elabAppArgs(x_15, x_22, x_24, x_23, x_25, x_25, x_3, x_4, x_5, x_6, x_7, x_8, x_16);
-if (lean_obj_tag(x_26) == 0)
+x_27 = l_Lean_Elab_Term_elabAppArgs(x_15, x_22, x_24, x_23, x_25, x_25, x_26, x_3, x_4, x_5, x_6, x_7, x_8, x_16);
+if (lean_obj_tag(x_27) == 0)
 {
-lean_object* x_27; lean_object* x_28; 
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
+lean_object* x_28; lean_object* x_29; 
+x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
-lean_dec(x_26);
+x_29 = lean_ctor_get(x_27, 1);
+lean_inc(x_29);
+lean_dec(x_27);
 x_1 = x_12;
-x_2 = x_27;
-x_9 = x_28;
+x_2 = x_28;
+x_9 = x_29;
 goto _start;
 }
 else
 {
-uint8_t x_30; 
+uint8_t x_31; 
 lean_dec(x_12);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -20993,29 +23140,29 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_30 = !lean_is_exclusive(x_26);
-if (x_30 == 0)
+x_31 = !lean_is_exclusive(x_27);
+if (x_31 == 0)
 {
-return x_26;
+return x_27;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_26, 0);
-x_32 = lean_ctor_get(x_26, 1);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+x_32 = lean_ctor_get(x_27, 0);
+x_33 = lean_ctor_get(x_27, 1);
+lean_inc(x_33);
 lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_26);
-x_33 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_33, 0, x_31);
-lean_ctor_set(x_33, 1, x_32);
-return x_33;
+lean_dec(x_27);
+x_34 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+return x_34;
 }
 }
 }
 else
 {
-uint8_t x_34; 
+uint8_t x_35; 
 lean_dec(x_12);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -21024,23 +23171,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_34 = !lean_is_exclusive(x_14);
-if (x_34 == 0)
+x_35 = !lean_is_exclusive(x_14);
+if (x_35 == 0)
 {
 return x_14;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_14, 0);
-x_36 = lean_ctor_get(x_14, 1);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_14, 0);
+x_37 = lean_ctor_get(x_14, 1);
+lean_inc(x_37);
 lean_inc(x_36);
-lean_inc(x_35);
 lean_dec(x_14);
-x_37 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-return x_37;
+x_38 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+return x_38;
 }
 }
 }
@@ -22947,7 +25094,7 @@ lean_dec(x_27);
 x_30 = l_List_isEmpty___rarg(x_3);
 if (x_30 == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; lean_object* x_39; 
 x_31 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_31, 0, x_4);
 x_32 = lean_box(0);
@@ -22959,27 +25106,28 @@ lean_ctor_set(x_34, 2, x_31);
 x_35 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__3;
 x_36 = lean_array_push(x_35, x_34);
 x_37 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_38 = 1;
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_38 = l_Lean_Elab_Term_elabAppArgs(x_28, x_36, x_37, x_24, x_26, x_26, x_11, x_12, x_13, x_14, x_15, x_16, x_29);
-if (lean_obj_tag(x_38) == 0)
+x_39 = l_Lean_Elab_Term_elabAppArgs(x_28, x_36, x_37, x_24, x_26, x_26, x_38, x_11, x_12, x_13, x_14, x_15, x_16, x_29);
+if (lean_obj_tag(x_39) == 0)
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_38, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_38, 1);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
-lean_dec(x_38);
-x_41 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_5, x_6, x_7, x_8, x_9, x_39, x_3, x_11, x_12, x_13, x_14, x_15, x_16, x_40);
-return x_41;
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+lean_dec(x_39);
+x_42 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_5, x_6, x_7, x_8, x_9, x_40, x_3, x_11, x_12, x_13, x_14, x_15, x_16, x_41);
+return x_42;
 }
 else
 {
-uint8_t x_42; 
+uint8_t x_43; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -22990,57 +25138,58 @@ lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
-x_42 = !lean_is_exclusive(x_38);
-if (x_42 == 0)
+x_43 = !lean_is_exclusive(x_39);
+if (x_43 == 0)
 {
-return x_38;
+return x_39;
 }
 else
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_38, 0);
-x_44 = lean_ctor_get(x_38, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_39, 0);
+x_45 = lean_ctor_get(x_39, 1);
+lean_inc(x_45);
 lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_38);
-x_45 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_45, 0, x_43);
-lean_ctor_set(x_45, 1, x_44);
-return x_45;
+lean_dec(x_39);
+x_46 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_46, 0, x_44);
+lean_ctor_set(x_46, 1, x_45);
+return x_46;
 }
 }
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
 lean_dec(x_3);
-x_46 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_46, 0, x_4);
-x_47 = lean_box(0);
-x_48 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
-x_49 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_49, 0, x_47);
-lean_ctor_set(x_49, 1, x_48);
-lean_ctor_set(x_49, 2, x_46);
+x_47 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_47, 0, x_4);
+x_48 = lean_box(0);
+x_49 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
+x_50 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+lean_ctor_set(x_50, 2, x_47);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
-x_50 = l_Lean_Elab_Term_addNamedArg(x_5, x_49, x_13, x_14, x_15, x_16, x_29);
-if (lean_obj_tag(x_50) == 0)
+x_51 = l_Lean_Elab_Term_addNamedArg(x_5, x_50, x_13, x_14, x_15, x_16, x_29);
+if (lean_obj_tag(x_51) == 0)
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_50, 0);
-lean_inc(x_51);
-x_52 = lean_ctor_get(x_50, 1);
+lean_object* x_52; lean_object* x_53; uint8_t x_54; lean_object* x_55; 
+x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
-lean_dec(x_50);
-x_53 = l_Lean_Elab_Term_elabAppArgs(x_28, x_51, x_6, x_7, x_8, x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_52);
-return x_53;
+x_53 = lean_ctor_get(x_51, 1);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = 1;
+x_55 = l_Lean_Elab_Term_elabAppArgs(x_28, x_52, x_6, x_7, x_8, x_9, x_54, x_11, x_12, x_13, x_14, x_15, x_16, x_53);
+return x_55;
 }
 else
 {
-uint8_t x_54; 
+uint8_t x_56; 
 lean_dec(x_28);
 lean_dec(x_16);
 lean_dec(x_15);
@@ -23050,30 +25199,30 @@ lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_7);
 lean_dec(x_6);
-x_54 = !lean_is_exclusive(x_50);
-if (x_54 == 0)
+x_56 = !lean_is_exclusive(x_51);
+if (x_56 == 0)
 {
-return x_50;
+return x_51;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; 
-x_55 = lean_ctor_get(x_50, 0);
-x_56 = lean_ctor_get(x_50, 1);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_dec(x_50);
-x_57 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_57, 0, x_55);
-lean_ctor_set(x_57, 1, x_56);
-return x_57;
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_51, 0);
+x_58 = lean_ctor_get(x_51, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_51);
+x_59 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+return x_59;
 }
 }
 }
 }
 else
 {
-uint8_t x_58; 
+uint8_t x_60; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -23085,29 +25234,29 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_58 = !lean_is_exclusive(x_27);
-if (x_58 == 0)
+x_60 = !lean_is_exclusive(x_27);
+if (x_60 == 0)
 {
 return x_27;
 }
 else
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_59 = lean_ctor_get(x_27, 0);
-x_60 = lean_ctor_get(x_27, 1);
-lean_inc(x_60);
-lean_inc(x_59);
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_27, 0);
+x_62 = lean_ctor_get(x_27, 1);
+lean_inc(x_62);
+lean_inc(x_61);
 lean_dec(x_27);
-x_61 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_61, 0, x_59);
-lean_ctor_set(x_61, 1, x_60);
-return x_61;
+x_63 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_63, 0, x_61);
+lean_ctor_set(x_63, 1, x_62);
+return x_63;
 }
 }
 }
 else
 {
-uint8_t x_62; 
+uint8_t x_64; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -23120,23 +25269,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_62 = !lean_is_exclusive(x_20);
-if (x_62 == 0)
+x_64 = !lean_is_exclusive(x_20);
+if (x_64 == 0)
 {
 return x_20;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_63 = lean_ctor_get(x_20, 0);
-x_64 = lean_ctor_get(x_20, 1);
-lean_inc(x_64);
-lean_inc(x_63);
+lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_65 = lean_ctor_get(x_20, 0);
+x_66 = lean_ctor_get(x_20, 1);
+lean_inc(x_66);
+lean_inc(x_65);
 lean_dec(x_20);
-x_65 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
+x_67 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_67, 0, x_65);
+lean_ctor_set(x_67, 1, x_66);
+return x_67;
 }
 }
 }
@@ -23184,7 +25333,7 @@ lean_dec(x_26);
 x_29 = l_List_isEmpty___rarg(x_3);
 if (x_29 == 0)
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
+lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; lean_object* x_35; 
 lean_dec(x_9);
 lean_dec(x_1);
 x_30 = lean_alloc_ctor(1, 1, 0);
@@ -23192,27 +25341,28 @@ lean_ctor_set(x_30, 0, x_10);
 x_31 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__3;
 x_32 = lean_array_push(x_31, x_30);
 x_33 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_34 = 1;
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_34 = l_Lean_Elab_Term_elabAppArgs(x_27, x_33, x_32, x_23, x_25, x_25, x_11, x_12, x_13, x_14, x_15, x_16, x_28);
-if (lean_obj_tag(x_34) == 0)
+x_35 = l_Lean_Elab_Term_elabAppArgs(x_27, x_33, x_32, x_23, x_25, x_25, x_34, x_11, x_12, x_13, x_14, x_15, x_16, x_28);
+if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = lean_ctor_get(x_34, 0);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_34, 1);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
-lean_dec(x_34);
-x_37 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_35, x_3, x_11, x_12, x_13, x_14, x_15, x_16, x_36);
-return x_37;
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_36, x_3, x_11, x_12, x_13, x_14, x_15, x_16, x_37);
+return x_38;
 }
 else
 {
-uint8_t x_38; 
+uint8_t x_39; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -23223,70 +25373,71 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_38 = !lean_is_exclusive(x_34);
-if (x_38 == 0)
+x_39 = !lean_is_exclusive(x_35);
+if (x_39 == 0)
 {
-return x_34;
+return x_35;
 }
 else
 {
-lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_34, 0);
-x_40 = lean_ctor_get(x_34, 1);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_35, 0);
+x_41 = lean_ctor_get(x_35, 1);
+lean_inc(x_41);
 lean_inc(x_40);
-lean_inc(x_39);
-lean_dec(x_34);
-x_41 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_41, 0, x_39);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
+lean_dec(x_35);
+x_42 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_42, 0, x_40);
+lean_ctor_set(x_42, 1, x_41);
+return x_42;
 }
 }
 }
 else
 {
-lean_object* x_42; 
+lean_object* x_43; 
 lean_dec(x_3);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_27);
-x_42 = lean_infer_type(x_27, x_13, x_14, x_15, x_16, x_28);
-if (lean_obj_tag(x_42) == 0)
+x_43 = lean_infer_type(x_27, x_13, x_14, x_15, x_16, x_28);
+if (lean_obj_tag(x_43) == 0)
 {
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_42, 0);
-lean_inc(x_43);
-x_44 = lean_ctor_get(x_42, 1);
+lean_object* x_44; lean_object* x_45; lean_object* x_46; 
+x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
-lean_dec(x_42);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_45 = l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg(x_9, x_1, x_10, x_5, x_4, x_43, x_11, x_12, x_13, x_14, x_15, x_16, x_44);
-if (lean_obj_tag(x_45) == 0)
+x_46 = l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg(x_9, x_1, x_10, x_5, x_4, x_44, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
+if (lean_obj_tag(x_46) == 0)
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; lean_object* x_52; 
+x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
-lean_dec(x_45);
-x_48 = lean_ctor_get(x_46, 0);
+x_48 = lean_ctor_get(x_46, 1);
 lean_inc(x_48);
-x_49 = lean_ctor_get(x_46, 1);
-lean_inc(x_49);
 lean_dec(x_46);
-x_50 = l_Lean_Elab_Term_elabAppArgs(x_27, x_49, x_48, x_6, x_7, x_8, x_11, x_12, x_13, x_14, x_15, x_16, x_47);
-return x_50;
+x_49 = lean_ctor_get(x_47, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_47, 1);
+lean_inc(x_50);
+lean_dec(x_47);
+x_51 = 1;
+x_52 = l_Lean_Elab_Term_elabAppArgs(x_27, x_50, x_49, x_6, x_7, x_8, x_51, x_11, x_12, x_13, x_14, x_15, x_16, x_48);
+return x_52;
 }
 else
 {
-uint8_t x_51; 
+uint8_t x_53; 
 lean_dec(x_27);
 lean_dec(x_16);
 lean_dec(x_15);
@@ -23295,29 +25446,29 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_6);
-x_51 = !lean_is_exclusive(x_45);
-if (x_51 == 0)
+x_53 = !lean_is_exclusive(x_46);
+if (x_53 == 0)
 {
-return x_45;
+return x_46;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_45, 0);
-x_53 = lean_ctor_get(x_45, 1);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_45);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
+lean_object* x_54; lean_object* x_55; lean_object* x_56; 
+x_54 = lean_ctor_get(x_46, 0);
+x_55 = lean_ctor_get(x_46, 1);
+lean_inc(x_55);
+lean_inc(x_54);
+lean_dec(x_46);
+x_56 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+return x_56;
 }
 }
 }
 else
 {
-uint8_t x_55; 
+uint8_t x_57; 
 lean_dec(x_27);
 lean_dec(x_16);
 lean_dec(x_15);
@@ -23331,30 +25482,30 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_1);
-x_55 = !lean_is_exclusive(x_42);
-if (x_55 == 0)
+x_57 = !lean_is_exclusive(x_43);
+if (x_57 == 0)
 {
-return x_42;
+return x_43;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_42, 0);
-x_57 = lean_ctor_get(x_42, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_42);
-x_58 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_58, 0, x_56);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_43, 0);
+x_59 = lean_ctor_get(x_43, 1);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_43);
+x_60 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_60, 0, x_58);
+lean_ctor_set(x_60, 1, x_59);
+return x_60;
 }
 }
 }
 }
 else
 {
-uint8_t x_59; 
+uint8_t x_61; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -23368,29 +25519,29 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_59 = !lean_is_exclusive(x_26);
-if (x_59 == 0)
+x_61 = !lean_is_exclusive(x_26);
+if (x_61 == 0)
 {
 return x_26;
 }
 else
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-x_60 = lean_ctor_get(x_26, 0);
-x_61 = lean_ctor_get(x_26, 1);
-lean_inc(x_61);
-lean_inc(x_60);
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_26, 0);
+x_63 = lean_ctor_get(x_26, 1);
+lean_inc(x_63);
+lean_inc(x_62);
 lean_dec(x_26);
-x_62 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_62, 0, x_60);
-lean_ctor_set(x_62, 1, x_61);
-return x_62;
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
 }
 }
 }
 else
 {
-uint8_t x_63; 
+uint8_t x_65; 
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -23405,23 +25556,23 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_63 = !lean_is_exclusive(x_19);
-if (x_63 == 0)
+x_65 = !lean_is_exclusive(x_19);
+if (x_65 == 0)
 {
 return x_19;
 }
 else
 {
-lean_object* x_64; lean_object* x_65; lean_object* x_66; 
-x_64 = lean_ctor_get(x_19, 0);
-x_65 = lean_ctor_get(x_19, 1);
-lean_inc(x_65);
-lean_inc(x_64);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_19, 0);
+x_67 = lean_ctor_get(x_19, 1);
+lean_inc(x_67);
+lean_inc(x_66);
 lean_dec(x_19);
-x_66 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_66, 0, x_64);
-lean_ctor_set(x_66, 1, x_65);
-return x_66;
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
@@ -23456,7 +25607,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__1;
 x_2 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__2;
-x_3 = lean_unsigned_to_nat(769u);
+x_3 = lean_unsigned_to_nat(884u);
 x_4 = lean_unsigned_to_nat(8u);
 x_5 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -23535,36 +25686,36 @@ return x_3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, uint8_t x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
 _start:
 {
-uint8_t x_17; uint8_t x_217; 
+uint8_t x_17; uint8_t x_221; 
 lean_dec(x_9);
-x_217 = l_Array_isEmpty___rarg(x_4);
-if (x_217 == 0)
+x_221 = l_Array_isEmpty___rarg(x_4);
+if (x_221 == 0)
 {
-uint8_t x_218; 
-x_218 = 1;
-x_17 = x_218;
-goto block_216;
+uint8_t x_222; 
+x_222 = 1;
+x_17 = x_222;
+goto block_220;
 }
 else
 {
-uint8_t x_219; 
-x_219 = l_Array_isEmpty___rarg(x_5);
-if (x_219 == 0)
+uint8_t x_223; 
+x_223 = l_Array_isEmpty___rarg(x_5);
+if (x_223 == 0)
 {
-uint8_t x_220; 
-x_220 = 1;
-x_17 = x_220;
-goto block_216;
+uint8_t x_224; 
+x_224 = 1;
+x_17 = x_224;
+goto block_220;
 }
 else
 {
-uint8_t x_221; 
-x_221 = 0;
-x_17 = x_221;
-goto block_216;
+uint8_t x_225; 
+x_225 = 0;
+x_17 = x_225;
+goto block_220;
 }
 }
-block_216:
+block_220:
 {
 lean_object* x_18; 
 lean_inc(x_15);
@@ -23999,7 +26150,7 @@ lean_dec(x_110);
 x_113 = l_List_isEmpty___rarg(x_3);
 if (x_113 == 0)
 {
-lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; uint8_t x_118; lean_object* x_119; 
 lean_dec(x_104);
 lean_dec(x_103);
 x_114 = lean_alloc_ctor(1, 1, 0);
@@ -24007,27 +26158,28 @@ lean_ctor_set(x_114, 0, x_102);
 x_115 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__3;
 x_116 = lean_array_push(x_115, x_114);
 x_117 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_118 = 1;
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_118 = l_Lean_Elab_Term_elabAppArgs(x_111, x_117, x_116, x_107, x_109, x_109, x_10, x_11, x_12, x_13, x_14, x_15, x_112);
-if (lean_obj_tag(x_118) == 0)
+x_119 = l_Lean_Elab_Term_elabAppArgs(x_111, x_117, x_116, x_107, x_109, x_109, x_118, x_10, x_11, x_12, x_13, x_14, x_15, x_112);
+if (lean_obj_tag(x_119) == 0)
 {
-lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-x_119 = lean_ctor_get(x_118, 0);
-lean_inc(x_119);
-x_120 = lean_ctor_get(x_118, 1);
+lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+x_120 = lean_ctor_get(x_119, 0);
 lean_inc(x_120);
-lean_dec(x_118);
-x_121 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_119, x_3, x_10, x_11, x_12, x_13, x_14, x_15, x_120);
-return x_121;
+x_121 = lean_ctor_get(x_119, 1);
+lean_inc(x_121);
+lean_dec(x_119);
+x_122 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_120, x_3, x_10, x_11, x_12, x_13, x_14, x_15, x_121);
+return x_122;
 }
 else
 {
-uint8_t x_122; 
+uint8_t x_123; 
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24038,70 +26190,71 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_122 = !lean_is_exclusive(x_118);
-if (x_122 == 0)
+x_123 = !lean_is_exclusive(x_119);
+if (x_123 == 0)
 {
-return x_118;
+return x_119;
 }
 else
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_123 = lean_ctor_get(x_118, 0);
-x_124 = lean_ctor_get(x_118, 1);
+lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+x_124 = lean_ctor_get(x_119, 0);
+x_125 = lean_ctor_get(x_119, 1);
+lean_inc(x_125);
 lean_inc(x_124);
-lean_inc(x_123);
-lean_dec(x_118);
-x_125 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-return x_125;
+lean_dec(x_119);
+x_126 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_126, 0, x_124);
+lean_ctor_set(x_126, 1, x_125);
+return x_126;
 }
 }
 }
 else
 {
-lean_object* x_126; 
+lean_object* x_127; 
 lean_dec(x_3);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_111);
-x_126 = lean_infer_type(x_111, x_12, x_13, x_14, x_15, x_112);
-if (lean_obj_tag(x_126) == 0)
+x_127 = lean_infer_type(x_111, x_12, x_13, x_14, x_15, x_112);
+if (lean_obj_tag(x_127) == 0)
 {
-lean_object* x_127; lean_object* x_128; lean_object* x_129; 
-x_127 = lean_ctor_get(x_126, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_126, 1);
+lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+x_128 = lean_ctor_get(x_127, 0);
 lean_inc(x_128);
-lean_dec(x_126);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_129 = l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg(x_103, x_104, x_102, x_5, x_4, x_127, x_10, x_11, x_12, x_13, x_14, x_15, x_128);
-if (lean_obj_tag(x_129) == 0)
+x_130 = l___private_Lean_Elab_App_0__Lean_Elab_Term_addLValArg(x_103, x_104, x_102, x_5, x_4, x_128, x_10, x_11, x_12, x_13, x_14, x_15, x_129);
+if (lean_obj_tag(x_130) == 0)
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
-x_130 = lean_ctor_get(x_129, 0);
-lean_inc(x_130);
-x_131 = lean_ctor_get(x_129, 1);
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; lean_object* x_136; 
+x_131 = lean_ctor_get(x_130, 0);
 lean_inc(x_131);
-lean_dec(x_129);
-x_132 = lean_ctor_get(x_130, 0);
+x_132 = lean_ctor_get(x_130, 1);
 lean_inc(x_132);
-x_133 = lean_ctor_get(x_130, 1);
-lean_inc(x_133);
 lean_dec(x_130);
-x_134 = l_Lean_Elab_Term_elabAppArgs(x_111, x_133, x_132, x_6, x_7, x_8, x_10, x_11, x_12, x_13, x_14, x_15, x_131);
-return x_134;
+x_133 = lean_ctor_get(x_131, 0);
+lean_inc(x_133);
+x_134 = lean_ctor_get(x_131, 1);
+lean_inc(x_134);
+lean_dec(x_131);
+x_135 = 1;
+x_136 = l_Lean_Elab_Term_elabAppArgs(x_111, x_134, x_133, x_6, x_7, x_8, x_135, x_10, x_11, x_12, x_13, x_14, x_15, x_132);
+return x_136;
 }
 else
 {
-uint8_t x_135; 
+uint8_t x_137; 
 lean_dec(x_111);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -24110,29 +26263,29 @@ lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_6);
-x_135 = !lean_is_exclusive(x_129);
-if (x_135 == 0)
+x_137 = !lean_is_exclusive(x_130);
+if (x_137 == 0)
 {
-return x_129;
+return x_130;
 }
 else
 {
-lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_136 = lean_ctor_get(x_129, 0);
-x_137 = lean_ctor_get(x_129, 1);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_dec(x_129);
-x_138 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_138, 0, x_136);
-lean_ctor_set(x_138, 1, x_137);
-return x_138;
+lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+x_138 = lean_ctor_get(x_130, 0);
+x_139 = lean_ctor_get(x_130, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_dec(x_130);
+x_140 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_140, 0, x_138);
+lean_ctor_set(x_140, 1, x_139);
+return x_140;
 }
 }
 }
 else
 {
-uint8_t x_139; 
+uint8_t x_141; 
 lean_dec(x_111);
 lean_dec(x_104);
 lean_dec(x_103);
@@ -24146,30 +26299,30 @@ lean_dec(x_10);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_139 = !lean_is_exclusive(x_126);
-if (x_139 == 0)
+x_141 = !lean_is_exclusive(x_127);
+if (x_141 == 0)
 {
-return x_126;
+return x_127;
 }
 else
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_140 = lean_ctor_get(x_126, 0);
-x_141 = lean_ctor_get(x_126, 1);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_126);
-x_142 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_142, 0, x_140);
-lean_ctor_set(x_142, 1, x_141);
-return x_142;
+lean_object* x_142; lean_object* x_143; lean_object* x_144; 
+x_142 = lean_ctor_get(x_127, 0);
+x_143 = lean_ctor_get(x_127, 1);
+lean_inc(x_143);
+lean_inc(x_142);
+lean_dec(x_127);
+x_144 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_144, 0, x_142);
+lean_ctor_set(x_144, 1, x_143);
+return x_144;
 }
 }
 }
 }
 else
 {
-uint8_t x_143; 
+uint8_t x_145; 
 lean_dec(x_104);
 lean_dec(x_103);
 lean_dec(x_102);
@@ -24183,119 +26336,120 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_143 = !lean_is_exclusive(x_110);
-if (x_143 == 0)
+x_145 = !lean_is_exclusive(x_110);
+if (x_145 == 0)
 {
 return x_110;
 }
 else
 {
-lean_object* x_144; lean_object* x_145; lean_object* x_146; 
-x_144 = lean_ctor_get(x_110, 0);
-x_145 = lean_ctor_get(x_110, 1);
-lean_inc(x_145);
-lean_inc(x_144);
+lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+x_146 = lean_ctor_get(x_110, 0);
+x_147 = lean_ctor_get(x_110, 1);
+lean_inc(x_147);
+lean_inc(x_146);
 lean_dec(x_110);
-x_146 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_146, 0, x_144);
-lean_ctor_set(x_146, 1, x_145);
-return x_146;
+x_148 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_148, 0, x_146);
+lean_ctor_set(x_148, 1, x_147);
+return x_148;
 }
 }
 }
 default: 
 {
-lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; 
-x_147 = lean_ctor_get(x_18, 1);
-lean_inc(x_147);
-lean_dec(x_18);
-x_148 = lean_ctor_get(x_19, 0);
-lean_inc(x_148);
-lean_dec(x_19);
-x_149 = lean_ctor_get(x_20, 0);
+lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_149 = lean_ctor_get(x_18, 1);
 lean_inc(x_149);
-x_150 = lean_ctor_get(x_20, 1);
+lean_dec(x_18);
+x_150 = lean_ctor_get(x_19, 0);
 lean_inc(x_150);
+lean_dec(x_19);
+x_151 = lean_ctor_get(x_20, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_20, 1);
+lean_inc(x_152);
 lean_dec(x_20);
-x_151 = lean_box(0);
+x_153 = lean_box(0);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_10);
-x_152 = l_Lean_Elab_Term_mkConst(x_149, x_151, x_10, x_11, x_12, x_13, x_14, x_15, x_147);
-if (lean_obj_tag(x_152) == 0)
+x_154 = l_Lean_Elab_Term_mkConst(x_151, x_153, x_10, x_11, x_12, x_13, x_14, x_15, x_149);
+if (lean_obj_tag(x_154) == 0)
 {
-lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; uint8_t x_158; lean_object* x_159; 
-x_153 = lean_ctor_get(x_152, 0);
-lean_inc(x_153);
-x_154 = lean_ctor_get(x_152, 1);
-lean_inc(x_154);
-lean_dec(x_152);
-x_155 = l_Lean_Elab_Term_LVal_getRef(x_2);
+lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; uint8_t x_160; lean_object* x_161; 
+x_155 = lean_ctor_get(x_154, 0);
+lean_inc(x_155);
+x_156 = lean_ctor_get(x_154, 1);
+lean_inc(x_156);
+lean_dec(x_154);
+x_157 = l_Lean_Elab_Term_LVal_getRef(x_2);
 lean_dec(x_2);
-x_156 = lean_box(0);
-x_157 = lean_box(0);
-x_158 = 0;
+x_158 = lean_box(0);
+x_159 = lean_box(0);
+x_160 = 0;
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_159 = l_Lean_Elab_Term_addTermInfo(x_155, x_153, x_156, x_156, x_157, x_158, x_10, x_11, x_12, x_13, x_14, x_15, x_154);
-if (lean_obj_tag(x_159) == 0)
+x_161 = l_Lean_Elab_Term_addTermInfo(x_157, x_155, x_158, x_158, x_159, x_160, x_10, x_11, x_12, x_13, x_14, x_15, x_156);
+if (lean_obj_tag(x_161) == 0)
 {
-lean_object* x_160; lean_object* x_161; uint8_t x_162; 
-x_160 = lean_ctor_get(x_159, 0);
-lean_inc(x_160);
-x_161 = lean_ctor_get(x_159, 1);
-lean_inc(x_161);
-lean_dec(x_159);
-x_162 = l_List_isEmpty___rarg(x_3);
-if (x_162 == 0)
+lean_object* x_162; lean_object* x_163; uint8_t x_164; 
+x_162 = lean_ctor_get(x_161, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_161, 1);
+lean_inc(x_163);
+lean_dec(x_161);
+x_164 = l_List_isEmpty___rarg(x_3);
+if (x_164 == 0)
 {
-lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; 
-x_163 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_163, 0, x_148);
-x_164 = lean_box(0);
-x_165 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
-x_166 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_166, 0, x_164);
-lean_ctor_set(x_166, 1, x_165);
-lean_ctor_set(x_166, 2, x_163);
-x_167 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_167, 0, x_150);
-x_168 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__12;
-x_169 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_169, 0, x_164);
-lean_ctor_set(x_169, 1, x_168);
-lean_ctor_set(x_169, 2, x_167);
-x_170 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
-x_171 = lean_array_push(x_170, x_166);
-x_172 = lean_array_push(x_171, x_169);
-x_173 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; uint8_t x_176; lean_object* x_177; 
+x_165 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_165, 0, x_150);
+x_166 = lean_box(0);
+x_167 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
+x_168 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_168, 0, x_166);
+lean_ctor_set(x_168, 1, x_167);
+lean_ctor_set(x_168, 2, x_165);
+x_169 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_169, 0, x_152);
+x_170 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__12;
+x_171 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_171, 0, x_166);
+lean_ctor_set(x_171, 1, x_170);
+lean_ctor_set(x_171, 2, x_169);
+x_172 = l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__3;
+x_173 = lean_array_push(x_172, x_168);
+x_174 = lean_array_push(x_173, x_171);
+x_175 = l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1;
+x_176 = 1;
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-x_174 = l_Lean_Elab_Term_elabAppArgs(x_160, x_172, x_173, x_156, x_158, x_158, x_10, x_11, x_12, x_13, x_14, x_15, x_161);
-if (lean_obj_tag(x_174) == 0)
+x_177 = l_Lean_Elab_Term_elabAppArgs(x_162, x_174, x_175, x_158, x_160, x_160, x_176, x_10, x_11, x_12, x_13, x_14, x_15, x_163);
+if (lean_obj_tag(x_177) == 0)
 {
-lean_object* x_175; lean_object* x_176; lean_object* x_177; 
-x_175 = lean_ctor_get(x_174, 0);
-lean_inc(x_175);
-x_176 = lean_ctor_get(x_174, 1);
-lean_inc(x_176);
-lean_dec(x_174);
-x_177 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_175, x_3, x_10, x_11, x_12, x_13, x_14, x_15, x_176);
-return x_177;
+lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_178 = lean_ctor_get(x_177, 0);
+lean_inc(x_178);
+x_179 = lean_ctor_get(x_177, 1);
+lean_inc(x_179);
+lean_dec(x_177);
+x_180 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop(x_4, x_5, x_6, x_7, x_8, x_178, x_3, x_10, x_11, x_12, x_13, x_14, x_15, x_179);
+return x_180;
 }
 else
 {
-uint8_t x_178; 
+uint8_t x_181; 
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24306,111 +26460,79 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_178 = !lean_is_exclusive(x_174);
-if (x_178 == 0)
+x_181 = !lean_is_exclusive(x_177);
+if (x_181 == 0)
 {
-return x_174;
+return x_177;
 }
 else
 {
-lean_object* x_179; lean_object* x_180; lean_object* x_181; 
-x_179 = lean_ctor_get(x_174, 0);
-x_180 = lean_ctor_get(x_174, 1);
-lean_inc(x_180);
-lean_inc(x_179);
-lean_dec(x_174);
-x_181 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_181, 0, x_179);
-lean_ctor_set(x_181, 1, x_180);
-return x_181;
+lean_object* x_182; lean_object* x_183; lean_object* x_184; 
+x_182 = lean_ctor_get(x_177, 0);
+x_183 = lean_ctor_get(x_177, 1);
+lean_inc(x_183);
+lean_inc(x_182);
+lean_dec(x_177);
+x_184 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_184, 0, x_182);
+lean_ctor_set(x_184, 1, x_183);
+return x_184;
 }
 }
 }
 else
 {
-lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+lean_object* x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
 lean_dec(x_3);
-x_182 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_182, 0, x_148);
-x_183 = lean_box(0);
-x_184 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
-x_185 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_185, 0, x_183);
-lean_ctor_set(x_185, 1, x_184);
-lean_ctor_set(x_185, 2, x_182);
+x_185 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_185, 0, x_150);
+x_186 = lean_box(0);
+x_187 = l_List_forIn_loop___at___private_Lean_Elab_App_0__Lean_Elab_Term_mkBaseProjections___spec__1___closed__2;
+x_188 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_188, 0, x_186);
+lean_ctor_set(x_188, 1, x_187);
+lean_ctor_set(x_188, 2, x_185);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
-x_186 = l_Lean_Elab_Term_addNamedArg(x_4, x_185, x_12, x_13, x_14, x_15, x_161);
-if (lean_obj_tag(x_186) == 0)
+x_189 = l_Lean_Elab_Term_addNamedArg(x_4, x_188, x_12, x_13, x_14, x_15, x_163);
+if (lean_obj_tag(x_189) == 0)
 {
-lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
-x_187 = lean_ctor_get(x_186, 0);
-lean_inc(x_187);
-x_188 = lean_ctor_get(x_186, 1);
-lean_inc(x_188);
-lean_dec(x_186);
-x_189 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_189, 0, x_150);
-x_190 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__12;
-x_191 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_191, 0, x_183);
-lean_ctor_set(x_191, 1, x_190);
-lean_ctor_set(x_191, 2, x_189);
+lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; 
+x_190 = lean_ctor_get(x_189, 0);
+lean_inc(x_190);
+x_191 = lean_ctor_get(x_189, 1);
+lean_inc(x_191);
+lean_dec(x_189);
+x_192 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_192, 0, x_152);
+x_193 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__12;
+x_194 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_194, 0, x_186);
+lean_ctor_set(x_194, 1, x_193);
+lean_ctor_set(x_194, 2, x_192);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
-x_192 = l_Lean_Elab_Term_addNamedArg(x_187, x_191, x_12, x_13, x_14, x_15, x_188);
-if (lean_obj_tag(x_192) == 0)
+x_195 = l_Lean_Elab_Term_addNamedArg(x_190, x_194, x_12, x_13, x_14, x_15, x_191);
+if (lean_obj_tag(x_195) == 0)
 {
-lean_object* x_193; lean_object* x_194; lean_object* x_195; 
-x_193 = lean_ctor_get(x_192, 0);
-lean_inc(x_193);
-x_194 = lean_ctor_get(x_192, 1);
-lean_inc(x_194);
-lean_dec(x_192);
-x_195 = l_Lean_Elab_Term_elabAppArgs(x_160, x_193, x_5, x_6, x_7, x_8, x_10, x_11, x_12, x_13, x_14, x_15, x_194);
-return x_195;
-}
-else
-{
-uint8_t x_196; 
-lean_dec(x_160);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_6);
-lean_dec(x_5);
-x_196 = !lean_is_exclusive(x_192);
-if (x_196 == 0)
-{
-return x_192;
-}
-else
-{
-lean_object* x_197; lean_object* x_198; lean_object* x_199; 
-x_197 = lean_ctor_get(x_192, 0);
-x_198 = lean_ctor_get(x_192, 1);
-lean_inc(x_198);
+lean_object* x_196; lean_object* x_197; uint8_t x_198; lean_object* x_199; 
+x_196 = lean_ctor_get(x_195, 0);
+lean_inc(x_196);
+x_197 = lean_ctor_get(x_195, 1);
 lean_inc(x_197);
-lean_dec(x_192);
-x_199 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_199, 0, x_197);
-lean_ctor_set(x_199, 1, x_198);
+lean_dec(x_195);
+x_198 = 1;
+x_199 = l_Lean_Elab_Term_elabAppArgs(x_162, x_196, x_5, x_6, x_7, x_8, x_198, x_10, x_11, x_12, x_13, x_14, x_15, x_197);
 return x_199;
 }
-}
-}
 else
 {
 uint8_t x_200; 
-lean_dec(x_160);
-lean_dec(x_150);
+lean_dec(x_162);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24419,19 +26541,19 @@ lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_6);
 lean_dec(x_5);
-x_200 = !lean_is_exclusive(x_186);
+x_200 = !lean_is_exclusive(x_195);
 if (x_200 == 0)
 {
-return x_186;
+return x_195;
 }
 else
 {
 lean_object* x_201; lean_object* x_202; lean_object* x_203; 
-x_201 = lean_ctor_get(x_186, 0);
-x_202 = lean_ctor_get(x_186, 1);
+x_201 = lean_ctor_get(x_195, 0);
+x_202 = lean_ctor_get(x_195, 1);
 lean_inc(x_202);
 lean_inc(x_201);
-lean_dec(x_186);
+lean_dec(x_195);
 x_203 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_203, 0, x_201);
 lean_ctor_set(x_203, 1, x_202);
@@ -24439,12 +26561,11 @@ return x_203;
 }
 }
 }
-}
 else
 {
 uint8_t x_204; 
-lean_dec(x_150);
-lean_dec(x_148);
+lean_dec(x_162);
+lean_dec(x_152);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24453,21 +26574,19 @@ lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_6);
 lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_204 = !lean_is_exclusive(x_159);
+x_204 = !lean_is_exclusive(x_189);
 if (x_204 == 0)
 {
-return x_159;
+return x_189;
 }
 else
 {
 lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_205 = lean_ctor_get(x_159, 0);
-x_206 = lean_ctor_get(x_159, 1);
+x_205 = lean_ctor_get(x_189, 0);
+x_206 = lean_ctor_get(x_189, 1);
 lean_inc(x_206);
 lean_inc(x_205);
-lean_dec(x_159);
+lean_dec(x_189);
 x_207 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_207, 0, x_205);
 lean_ctor_set(x_207, 1, x_206);
@@ -24475,11 +26594,12 @@ return x_207;
 }
 }
 }
+}
 else
 {
 uint8_t x_208; 
+lean_dec(x_152);
 lean_dec(x_150);
-lean_dec(x_148);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24490,20 +26610,19 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_2);
-x_208 = !lean_is_exclusive(x_152);
+x_208 = !lean_is_exclusive(x_161);
 if (x_208 == 0)
 {
-return x_152;
+return x_161;
 }
 else
 {
 lean_object* x_209; lean_object* x_210; lean_object* x_211; 
-x_209 = lean_ctor_get(x_152, 0);
-x_210 = lean_ctor_get(x_152, 1);
+x_209 = lean_ctor_get(x_161, 0);
+x_210 = lean_ctor_get(x_161, 1);
 lean_inc(x_210);
 lean_inc(x_209);
-lean_dec(x_152);
+lean_dec(x_161);
 x_211 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_211, 0, x_209);
 lean_ctor_set(x_211, 1, x_210);
@@ -24511,11 +26630,11 @@ return x_211;
 }
 }
 }
-}
-}
 else
 {
 uint8_t x_212; 
+lean_dec(x_152);
+lean_dec(x_150);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
@@ -24527,23 +26646,59 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_212 = !lean_is_exclusive(x_18);
+x_212 = !lean_is_exclusive(x_154);
 if (x_212 == 0)
 {
+return x_154;
+}
+else
+{
+lean_object* x_213; lean_object* x_214; lean_object* x_215; 
+x_213 = lean_ctor_get(x_154, 0);
+x_214 = lean_ctor_get(x_154, 1);
+lean_inc(x_214);
+lean_inc(x_213);
+lean_dec(x_154);
+x_215 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_215, 0, x_213);
+lean_ctor_set(x_215, 1, x_214);
+return x_215;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_216; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_216 = !lean_is_exclusive(x_18);
+if (x_216 == 0)
+{
 return x_18;
 }
 else
 {
-lean_object* x_213; lean_object* x_214; lean_object* x_215; 
-x_213 = lean_ctor_get(x_18, 0);
-x_214 = lean_ctor_get(x_18, 1);
-lean_inc(x_214);
-lean_inc(x_213);
+lean_object* x_217; lean_object* x_218; lean_object* x_219; 
+x_217 = lean_ctor_get(x_18, 0);
+x_218 = lean_ctor_get(x_18, 1);
+lean_inc(x_218);
+lean_inc(x_217);
 lean_dec(x_18);
-x_215 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_215, 0, x_213);
-lean_ctor_set(x_215, 1, x_214);
-return x_215;
+x_219 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_219, 0, x_217);
+lean_ctor_set(x_219, 1, x_218);
+return x_219;
 }
 }
 }
@@ -24554,49 +26709,50 @@ _start:
 {
 if (lean_obj_tag(x_7) == 0)
 {
-lean_object* x_15; 
-x_15 = l_Lean_Elab_Term_elabAppArgs(x_6, x_1, x_2, x_3, x_4, x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_15;
+uint8_t x_15; lean_object* x_16; 
+x_15 = 1;
+x_16 = l_Lean_Elab_Term_elabAppArgs(x_6, x_1, x_2, x_3, x_4, x_5, x_15, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_16;
 }
 else
 {
-lean_object* x_16; 
-x_16 = lean_ctor_get(x_7, 0);
-lean_inc(x_16);
-if (lean_obj_tag(x_16) == 1)
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
-x_17 = lean_ctor_get(x_7, 1);
+lean_object* x_17; 
+x_17 = lean_ctor_get(x_7, 0);
 lean_inc(x_17);
-lean_dec(x_7);
-x_18 = lean_ctor_get(x_16, 0);
+if (lean_obj_tag(x_17) == 1)
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_18 = lean_ctor_get(x_7, 1);
 lean_inc(x_18);
-x_19 = lean_ctor_get(x_16, 3);
+lean_dec(x_7);
+x_19 = lean_ctor_get(x_17, 0);
 lean_inc(x_19);
-x_20 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_20, 0, x_18);
+x_20 = lean_ctor_get(x_17, 3);
+lean_inc(x_20);
+x_21 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_21, 0, x_19);
 lean_inc(x_11);
 lean_inc(x_8);
 lean_inc(x_3);
 lean_inc(x_6);
-x_21 = l_Lean_Elab_Term_addDotCompletionInfo(x_19, x_6, x_3, x_20, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-x_22 = lean_ctor_get(x_21, 0);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_21, 1);
+x_22 = l_Lean_Elab_Term_addDotCompletionInfo(x_20, x_6, x_3, x_21, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
-lean_dec(x_21);
-x_24 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3(x_6, x_16, x_17, x_1, x_2, x_3, x_4, x_5, x_22, x_8, x_9, x_10, x_11, x_12, x_13, x_23);
-return x_24;
+x_24 = lean_ctor_get(x_22, 1);
+lean_inc(x_24);
+lean_dec(x_22);
+x_25 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3(x_6, x_17, x_18, x_1, x_2, x_3, x_4, x_5, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_24);
+return x_25;
 }
 else
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = lean_ctor_get(x_7, 1);
-lean_inc(x_25);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_7, 1);
+lean_inc(x_26);
 lean_dec(x_7);
-x_26 = lean_box(0);
-x_27 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3(x_6, x_16, x_25, x_1, x_2, x_3, x_4, x_5, x_26, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
-return x_27;
+x_27 = lean_box(0);
+x_28 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3(x_6, x_17, x_26, x_1, x_2, x_3, x_4, x_5, x_27, x_8, x_9, x_10, x_11, x_12, x_13, x_14);
+return x_28;
 }
 }
 }
@@ -32976,7 +35132,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__1;
 x_2 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_mergeFailures___spec__2___closed__1;
-x_3 = lean_unsigned_to_nat(976u);
+x_3 = lean_unsigned_to_nat(1091u);
 x_4 = lean_unsigned_to_nat(57u);
 x_5 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -33750,7 +35906,7 @@ x_13 = l___private_Lean_Elab_App_0__Lean_Elab_Term_mkProjAndCheck___closed__8;
 x_14 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_14, 0, x_13);
 lean_ctor_set(x_14, 1, x_12);
-x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4;
+x_15 = l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4;
 x_16 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_16, 0, x_14);
 lean_ctor_set(x_16, 1, x_15);
@@ -33812,7 +35968,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__1;
 x_2 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppAux___spec__4___closed__1;
-x_3 = lean_unsigned_to_nat(991u);
+x_3 = lean_unsigned_to_nat(1106u);
 x_4 = lean_unsigned_to_nat(35u);
 x_5 = l___private_Lean_Elab_App_0__Lean_Elab_Term_elabAppLValsAux_loop___lambda__3___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -34769,7 +36925,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabApp_declRange___clos
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1005u);
+x_1 = lean_unsigned_to_nat(1120u);
 x_2 = lean_unsigned_to_nat(23u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -34781,7 +36937,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabApp_declRange___clos
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1008u);
+x_1 = lean_unsigned_to_nat(1123u);
 x_2 = lean_unsigned_to_nat(90u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -34809,7 +36965,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabApp_declRange___clos
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1005u);
+x_1 = lean_unsigned_to_nat(1120u);
 x_2 = lean_unsigned_to_nat(27u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -34821,7 +36977,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabApp_declRange___clos
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1005u);
+x_1 = lean_unsigned_to_nat(1120u);
 x_2 = lean_unsigned_to_nat(34u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -34978,7 +37134,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1013u);
+x_1 = lean_unsigned_to_nat(1128u);
 x_2 = lean_unsigned_to_nat(25u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -34990,7 +37146,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1013u);
+x_1 = lean_unsigned_to_nat(1128u);
 x_2 = lean_unsigned_to_nat(61u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35018,7 +37174,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1013u);
+x_1 = lean_unsigned_to_nat(1128u);
 x_2 = lean_unsigned_to_nat(29u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35030,7 +37186,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabIdent_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1013u);
+x_1 = lean_unsigned_to_nat(1128u);
 x_2 = lean_unsigned_to_nat(38u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35154,7 +37310,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1015u);
+x_1 = lean_unsigned_to_nat(1130u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35166,7 +37322,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1015u);
+x_1 = lean_unsigned_to_nat(1130u);
 x_2 = lean_unsigned_to_nat(75u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35194,7 +37350,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1015u);
+x_1 = lean_unsigned_to_nat(1130u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35206,7 +37362,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNamedPattern_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1015u);
+x_1 = lean_unsigned_to_nat(1130u);
 x_2 = lean_unsigned_to_nat(52u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35302,7 +37458,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1016u);
+x_1 = lean_unsigned_to_nat(1131u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35314,7 +37470,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1016u);
+x_1 = lean_unsigned_to_nat(1131u);
 x_2 = lean_unsigned_to_nat(67u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35342,7 +37498,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1016u);
+x_1 = lean_unsigned_to_nat(1131u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35354,7 +37510,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabDotIdent_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1016u);
+x_1 = lean_unsigned_to_nat(1131u);
 x_2 = lean_unsigned_to_nat(44u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35468,7 +37624,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1018u);
+x_1 = lean_unsigned_to_nat(1133u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35480,7 +37636,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1018u);
+x_1 = lean_unsigned_to_nat(1133u);
 x_2 = lean_unsigned_to_nat(75u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35508,7 +37664,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1018u);
+x_1 = lean_unsigned_to_nat(1133u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35520,7 +37676,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicitUniv_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1018u);
+x_1 = lean_unsigned_to_nat(1133u);
 x_2 = lean_unsigned_to_nat(52u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35803,7 +37959,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1020u);
+x_1 = lean_unsigned_to_nat(1135u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35815,7 +37971,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1025u);
+x_1 = lean_unsigned_to_nat(1140u);
 x_2 = lean_unsigned_to_nat(34u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35843,7 +37999,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1020u);
+x_1 = lean_unsigned_to_nat(1135u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -35855,7 +38011,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabPipeProj_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1020u);
+x_1 = lean_unsigned_to_nat(1135u);
 x_2 = lean_unsigned_to_nat(44u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36108,7 +38264,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1030u);
+x_1 = lean_unsigned_to_nat(1145u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36120,7 +38276,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1036u);
+x_1 = lean_unsigned_to_nat(1151u);
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36148,7 +38304,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1030u);
+x_1 = lean_unsigned_to_nat(1145u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36160,7 +38316,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabExplicit_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1030u);
+x_1 = lean_unsigned_to_nat(1145u);
 x_2 = lean_unsigned_to_nat(44u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36256,7 +38412,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1038u);
+x_1 = lean_unsigned_to_nat(1153u);
 x_2 = lean_unsigned_to_nat(26u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36268,7 +38424,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1038u);
+x_1 = lean_unsigned_to_nat(1153u);
 x_2 = lean_unsigned_to_nat(63u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36296,7 +38452,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1038u);
+x_1 = lean_unsigned_to_nat(1153u);
 x_2 = lean_unsigned_to_nat(30u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36308,7 +38464,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabChoice_declRange___c
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1038u);
+x_1 = lean_unsigned_to_nat(1153u);
 x_2 = lean_unsigned_to_nat(40u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36404,7 +38560,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabProj_declRange___clo
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1039u);
+x_1 = lean_unsigned_to_nat(1154u);
 x_2 = lean_unsigned_to_nat(24u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36416,7 +38572,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabProj_declRange___clo
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1039u);
+x_1 = lean_unsigned_to_nat(1154u);
 x_2 = lean_unsigned_to_nat(59u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36444,7 +38600,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabProj_declRange___clo
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1039u);
+x_1 = lean_unsigned_to_nat(1154u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36456,7 +38612,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabProj_declRange___clo
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1039u);
+x_1 = lean_unsigned_to_nat(1154u);
 x_2 = lean_unsigned_to_nat(36u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36552,7 +38708,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1040u);
+x_1 = lean_unsigned_to_nat(1155u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36564,7 +38720,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1040u);
+x_1 = lean_unsigned_to_nat(1155u);
 x_2 = lean_unsigned_to_nat(67u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36592,7 +38748,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1040u);
+x_1 = lean_unsigned_to_nat(1155u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36604,7 +38760,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRef_declRange__
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1040u);
+x_1 = lean_unsigned_to_nat(1155u);
 x_2 = lean_unsigned_to_nat(44u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36700,7 +38856,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1041u);
+x_1 = lean_unsigned_to_nat(1156u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36712,7 +38868,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1041u);
+x_1 = lean_unsigned_to_nat(1156u);
 x_2 = lean_unsigned_to_nat(73u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36740,7 +38896,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1041u);
+x_1 = lean_unsigned_to_nat(1156u);
 x_2 = lean_unsigned_to_nat(35u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36752,7 +38908,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefOpt_declRang
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1041u);
+x_1 = lean_unsigned_to_nat(1156u);
 x_2 = lean_unsigned_to_nat(50u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36848,7 +39004,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRa
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1042u);
+x_1 = lean_unsigned_to_nat(1157u);
 x_2 = lean_unsigned_to_nat(33u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36860,7 +39016,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRa
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1042u);
+x_1 = lean_unsigned_to_nat(1157u);
 x_2 = lean_unsigned_to_nat(77u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36888,7 +39044,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRa
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1042u);
+x_1 = lean_unsigned_to_nat(1157u);
 x_2 = lean_unsigned_to_nat(37u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36900,7 +39056,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRa
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1042u);
+x_1 = lean_unsigned_to_nat(1157u);
 x_2 = lean_unsigned_to_nat(54u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -36946,7 +39102,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_14008_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_15381_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -37057,7 +39213,6 @@ l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__5 = _init_l_
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__5);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__6 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__6();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_tryCoeFun_x3f___closed__6);
-l_Lean_Elab_Term_ElabAppArgs_State_ellipsis___default = _init_l_Lean_Elab_Term_ElabAppArgs_State_ellipsis___default();
 l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1 = _init_l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default___closed__1);
 l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default = _init_l_Lean_Elab_Term_ElabAppArgs_State_etaArgs___default();
@@ -37066,6 +39221,8 @@ l_Lean_Elab_Term_ElabAppArgs_State_toSetErrorCtx___default = _init_l_Lean_Elab_T
 lean_mark_persistent(l_Lean_Elab_Term_ElabAppArgs_State_toSetErrorCtx___default);
 l_Lean_Elab_Term_ElabAppArgs_State_instMVars___default = _init_l_Lean_Elab_Term_ElabAppArgs_State_instMVars___default();
 lean_mark_persistent(l_Lean_Elab_Term_ElabAppArgs_State_instMVars___default);
+l_Lean_Elab_Term_ElabAppArgs_State_resultTypeOutParam_x3f___default = _init_l_Lean_Elab_Term_ElabAppArgs_State_resultTypeOutParam_x3f___default();
+lean_mark_persistent(l_Lean_Elab_Term_ElabAppArgs_State_resultTypeOutParam_x3f___default);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_synthesizePendingAndNormalizeFunType___closed__2();
@@ -37146,12 +39303,14 @@ l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___c
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__3___closed__2);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__1);
-l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__2);
-l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__3);
-l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__4___closed__4);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__1);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__2);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__3);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___lambda__5___closed__4);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_finalize___closed__2();
@@ -37166,6 +39325,10 @@ l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurr
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_anyNamedArgDependsOnCurrent___lambda__2___closed__2);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult_isOutParamOfLocalInstance___closed__1);
+l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_isNextOutParamOfLocalInstanceAndResult___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_ElabAppArgs_processExplictArg___closed__2();
@@ -37204,6 +39367,14 @@ l_Lean_Elab_Term_elabAppArgs___closed__15 = _init_l_Lean_Elab_Term_elabAppArgs__
 lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__15);
 l_Lean_Elab_Term_elabAppArgs___closed__16 = _init_l_Lean_Elab_Term_elabAppArgs___closed__16();
 lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__16);
+l_Lean_Elab_Term_elabAppArgs___closed__17 = _init_l_Lean_Elab_Term_elabAppArgs___closed__17();
+lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__17);
+l_Lean_Elab_Term_elabAppArgs___closed__18 = _init_l_Lean_Elab_Term_elabAppArgs___closed__18();
+lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__18);
+l_Lean_Elab_Term_elabAppArgs___closed__19 = _init_l_Lean_Elab_Term_elabAppArgs___closed__19();
+lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__19);
+l_Lean_Elab_Term_elabAppArgs___closed__20 = _init_l_Lean_Elab_Term_elabAppArgs___closed__20();
+lean_mark_persistent(l_Lean_Elab_Term_elabAppArgs___closed__20);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___closed__1 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___closed__1);
 l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___closed__2 = _init_l___private_Lean_Elab_App_0__Lean_Elab_Term_throwLValError___rarg___closed__2();
@@ -37791,7 +39962,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange__
 res = l___regBuiltin_Lean_Elab_Term_elabArrayRefPanic_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_14008_(lean_io_mk_world());
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_App___hyg_15381_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Binders.c b/stage0/stdlib/Lean/Elab/Binders.c
index c74ec225ec..b4908a6bd2 100644
--- a/stage0/stdlib/Lean/Elab/Binders.c
+++ b/stage0/stdlib/Lean/Elab/Binders.c
@@ -40,6 +40,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLetDecl(lean_object*, lean_object*
 lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandBinderIdent___closed__4;
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__3;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandMatchAltsIntoMatchAux___closed__7;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -458,7 +459,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Binders
 static lean_object* l_Lean_Elab_Term_elabLetDeclAux___closed__5;
 static lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__1___closed__1;
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_registerFailedToInferBinderTypeInfo___closed__1;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Binders_0__Lean_Elab_Term_expandBinderModifier___closed__15;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -502,7 +502,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetDelayedDecl___closed__4
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_FunBinders_State_expectedType_x3f___default;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabLetFunDecl___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandMatchAltsWhereDecls_loop___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwKernelException___at_Lean_Elab_Term_declareTacticSyntax___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabFun___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__16;
@@ -660,6 +659,7 @@ static lean_object* l_Lean_Elab_Term_elabLetDeclAux___lambda__3___closed__2;
 LEAN_EXPORT uint8_t l_List_foldlM___at_Lean_Elab_Term_declareTacticSyntax___spec__6___lambda__1(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabForall_declRange___closed__6;
 lean_object* l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_Term_elabFun___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_quoteAutoTactic___closed__11;
 LEAN_EXPORT lean_object* l_Lean_mkFreshId___at___private_Lean_Elab_Binders_0__Lean_Elab_Term_FunBinders_elabFunBinderViews___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4423,7 +4423,7 @@ lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint
 x_48 = lean_ctor_get(x_42, 1);
 lean_inc(x_48);
 lean_dec(x_42);
-x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_29, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_29, x_3, x_4, x_5, x_6, x_7, x_8, x_48);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -4451,7 +4451,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean
 lean_inc(x_27);
 x_35 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_35, 0, x_27);
-x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
+x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -27935,7 +27935,7 @@ lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint
 x_55 = lean_ctor_get(x_49, 1);
 lean_inc(x_55);
 lean_dec(x_49);
-x_56 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_10, x_11, x_12, x_13, x_14, x_15, x_55);
+x_56 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_10, x_11, x_12, x_13, x_14, x_15, x_55);
 x_57 = lean_ctor_get(x_56, 0);
 lean_inc(x_57);
 x_58 = lean_ctor_get(x_56, 1);
@@ -27989,7 +27989,7 @@ lean_ctor_set(x_42, 1, x_41);
 x_43 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_43, 0, x_42);
 lean_ctor_set(x_43, 1, x_33);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_43, x_10, x_11, x_12, x_13, x_14, x_15, x_28);
+x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_43, x_10, x_11, x_12, x_13, x_14, x_15, x_28);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
diff --git a/stage0/stdlib/Lean/Elab/BuiltinNotation.c b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
index 81b8c1ca49..b2c4c3ee1b 100644
--- a/stage0/stdlib/Lean/Elab/BuiltinNotation.c
+++ b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
@@ -187,6 +187,7 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_elabSorry_docString(lean_
 static lean_object* l_Lean_Elab_Term_elabTrailingParserMacro___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandParen___closed__1;
 static lean_object* l_Lean_Elab_Term_elabSubst___lambda__6___closed__2;
+lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_utf8_byte_size(lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandHave___closed__3;
 static lean_object* l_Lean_Elab_Term_expandSuffices___closed__4;
@@ -18632,7 +18633,7 @@ static lean_object* _init_l_Lean_Elab_Term_elabSubst___closed__10() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("\n.However, the equality ", 24);
+x_1 = lean_mk_string_from_bytes("\nhowever, the equality ", 23);
 return x_1;
 }
 }
@@ -18743,42 +18744,43 @@ return x_22;
 }
 else
 {
-lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; 
+lean_object* x_23; uint8_t x_24; uint8_t x_25; lean_object* x_26; 
 x_23 = l_Lean_Syntax_getArg(x_19, x_16);
 lean_dec(x_19);
-x_24 = lean_box(0);
-x_25 = 1;
+x_24 = 1;
+x_25 = 0;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-lean_inc(x_17);
-x_26 = l_Lean_Elab_Term_elabTerm(x_17, x_24, x_25, x_25, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_26 = l_Lean_Elab_Term_synthesizeSyntheticMVars(x_24, x_25, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 if (lean_obj_tag(x_26) == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_27 = lean_ctor_get(x_26, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
 lean_dec(x_26);
+x_28 = lean_box(0);
+x_29 = lean_box(x_24);
+x_30 = lean_box(x_24);
+lean_inc(x_17);
+x_31 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabTerm___boxed), 11, 4);
+lean_closure_set(x_31, 0, x_17);
+lean_closure_set(x_31, 1, x_28);
+lean_closure_set(x_31, 2, x_29);
+lean_closure_set(x_31, 3, x_30);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_27);
-x_29 = lean_infer_type(x_27, x_5, x_6, x_7, x_8, x_28);
-if (lean_obj_tag(x_29) == 0)
+lean_inc(x_4);
+lean_inc(x_3);
+x_32 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp___rarg(x_31, x_25, x_24, x_3, x_4, x_5, x_6, x_7, x_8, x_27);
+if (lean_obj_tag(x_32) == 0)
 {
-lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-x_30 = lean_ctor_get(x_29, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-lean_dec(x_29);
-x_32 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_31);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -18789,416 +18791,436 @@ lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_33);
-x_35 = l_Lean_Meta_matchEq_x3f(x_33, x_5, x_6, x_7, x_8, x_34);
+x_35 = lean_infer_type(x_33, x_5, x_6, x_7, x_8, x_34);
 if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_36; 
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
-if (lean_obj_tag(x_36) == 0)
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_36, x_3, x_4, x_5, x_6, x_7, x_8, x_37);
+x_39 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_40);
+lean_dec(x_38);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_39);
+x_41 = l_Lean_Meta_matchEq_x3f(x_39, x_5, x_6, x_7, x_8, x_40);
+if (lean_obj_tag(x_41) == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+lean_object* x_42; 
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+if (lean_obj_tag(x_42) == 0)
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
 lean_dec(x_23);
 lean_dec(x_17);
 lean_dec(x_11);
 lean_dec(x_1);
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
-x_38 = l_Lean_indentExpr(x_27);
-x_39 = l_Lean_Elab_Term_elabSubst___closed__3;
-x_40 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_38);
-x_41 = l_Lean_Elab_Term_elabSubst___closed__5;
-x_42 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_42, 0, x_40);
-lean_ctor_set(x_42, 1, x_41);
-x_43 = l_Lean_indentExpr(x_33);
-x_44 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_44, 0, x_42);
-lean_ctor_set(x_44, 1, x_43);
-x_45 = l_Lean_Elab_Term_elabSubst___closed__7;
+x_43 = lean_ctor_get(x_41, 1);
+lean_inc(x_43);
+lean_dec(x_41);
+x_44 = l_Lean_indentExpr(x_33);
+x_45 = l_Lean_Elab_Term_elabSubst___closed__3;
 x_46 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_46, 0, x_44);
-lean_ctor_set(x_46, 1, x_45);
-x_47 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(x_46, x_3, x_4, x_5, x_6, x_7, x_8, x_37);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_44);
+x_47 = l_Lean_Elab_Term_elabSubst___closed__5;
+x_48 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+x_49 = l_Lean_indentExpr(x_39);
+x_50 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+x_51 = l_Lean_Elab_Term_elabSubst___closed__7;
+x_52 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(x_52, x_3, x_4, x_5, x_6, x_7, x_8, x_43);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-return x_47;
+return x_53;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; 
-x_48 = lean_ctor_get(x_36, 0);
-lean_inc(x_48);
-lean_dec(x_36);
-x_49 = lean_ctor_get(x_48, 1);
-lean_inc(x_49);
+lean_object* x_54; lean_object* x_55; 
+x_54 = lean_ctor_get(x_42, 0);
+lean_inc(x_54);
+lean_dec(x_42);
+x_55 = lean_ctor_get(x_54, 1);
+lean_inc(x_55);
 if (lean_obj_tag(x_11) == 0)
 {
-lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-lean_dec(x_33);
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+lean_dec(x_39);
 lean_dec(x_17);
 lean_dec(x_1);
-x_50 = lean_ctor_get(x_35, 1);
-lean_inc(x_50);
-lean_dec(x_35);
-x_51 = lean_ctor_get(x_48, 0);
-lean_inc(x_51);
-lean_dec(x_48);
-x_52 = lean_ctor_get(x_49, 0);
-lean_inc(x_52);
-lean_dec(x_49);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_4);
-lean_inc(x_3);
-x_53 = l_Lean_Elab_Term_elabTerm(x_23, x_24, x_25, x_25, x_3, x_4, x_5, x_6, x_7, x_8, x_50);
-if (lean_obj_tag(x_53) == 0)
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_53, 0);
-lean_inc(x_54);
-x_55 = lean_ctor_get(x_53, 1);
-lean_inc(x_55);
-lean_dec(x_53);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_54);
-x_56 = lean_infer_type(x_54, x_5, x_6, x_7, x_8, x_55);
-if (lean_obj_tag(x_56) == 0)
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_57 = lean_ctor_get(x_56, 0);
+x_56 = lean_ctor_get(x_41, 1);
+lean_inc(x_56);
+lean_dec(x_41);
+x_57 = lean_ctor_get(x_54, 0);
 lean_inc(x_57);
-x_58 = lean_ctor_get(x_56, 1);
+lean_dec(x_54);
+x_58 = lean_ctor_get(x_55, 0);
 lean_inc(x_58);
-lean_dec(x_56);
-x_59 = lean_box(0);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_inc(x_6);
-lean_inc(x_5);
-lean_inc(x_52);
-x_60 = l_Lean_Meta_kabstract(x_57, x_52, x_59, x_5, x_6, x_7, x_8, x_58);
-if (lean_obj_tag(x_60) == 0)
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; lean_object* x_69; 
-x_61 = lean_ctor_get(x_60, 0);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_60, 1);
-lean_inc(x_62);
-lean_dec(x_60);
-x_63 = l_Lean_Elab_Term_elabSubst___lambda__6___closed__2;
-x_64 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_63, x_7, x_8, x_62);
-x_65 = lean_ctor_get(x_64, 0);
-lean_inc(x_65);
-x_66 = lean_ctor_get(x_64, 1);
-lean_inc(x_66);
-lean_dec(x_64);
-x_67 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabSubst___lambda__2), 10, 2);
-lean_closure_set(x_67, 0, x_52);
-lean_closure_set(x_67, 1, x_61);
-x_68 = 0;
+lean_dec(x_55);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
-x_69 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_65, x_68, x_51, x_67, x_3, x_4, x_5, x_6, x_7, x_8, x_66);
-if (lean_obj_tag(x_69) == 0)
+x_59 = l_Lean_Elab_Term_elabTerm(x_23, x_28, x_24, x_24, x_3, x_4, x_5, x_6, x_7, x_8, x_56);
+if (lean_obj_tag(x_59) == 0)
 {
-lean_object* x_70; lean_object* x_71; lean_object* x_72; 
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
-lean_inc(x_71);
-lean_dec(x_69);
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_59, 1);
+lean_inc(x_61);
+lean_dec(x_59);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_70);
-x_72 = l_Lean_Meta_isTypeCorrect(x_70, x_5, x_6, x_7, x_8, x_71);
-if (lean_obj_tag(x_72) == 0)
+lean_inc(x_60);
+x_62 = lean_infer_type(x_60, x_5, x_6, x_7, x_8, x_61);
+if (lean_obj_tag(x_62) == 0)
 {
-lean_object* x_73; uint8_t x_74; 
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_unbox(x_73);
-lean_dec(x_73);
-if (x_74 == 0)
+lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; 
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = lean_box(0);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_58);
+x_66 = l_Lean_Meta_kabstract(x_63, x_58, x_65, x_5, x_6, x_7, x_8, x_64);
+if (lean_obj_tag(x_66) == 0)
 {
-lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; lean_object* x_75; 
+x_67 = lean_ctor_get(x_66, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_66, 1);
+lean_inc(x_68);
+lean_dec(x_66);
+x_69 = l_Lean_Elab_Term_elabSubst___lambda__6___closed__2;
+x_70 = l___private_Lean_CoreM_0__Lean_Core_mkFreshNameImp(x_69, x_7, x_8, x_68);
+x_71 = lean_ctor_get(x_70, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_70, 1);
+lean_inc(x_72);
 lean_dec(x_70);
-lean_dec(x_54);
-lean_dec(x_27);
-x_75 = lean_ctor_get(x_72, 1);
-lean_inc(x_75);
-lean_dec(x_72);
-x_76 = l_Lean_Elab_Term_elabSubst___lambda__8___closed__2;
-x_77 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_76, x_3, x_4, x_5, x_6, x_7, x_8, x_75);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-x_78 = !lean_is_exclusive(x_77);
-if (x_78 == 0)
+x_73 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabSubst___lambda__2), 10, 2);
+lean_closure_set(x_73, 0, x_58);
+lean_closure_set(x_73, 1, x_67);
+x_74 = 0;
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
+x_75 = l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg(x_71, x_74, x_57, x_73, x_3, x_4, x_5, x_6, x_7, x_8, x_72);
+if (lean_obj_tag(x_75) == 0)
 {
-return x_77;
-}
-else
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_75, 1);
+lean_inc(x_77);
+lean_dec(x_75);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_76);
+x_78 = l_Lean_Meta_isTypeCorrect(x_76, x_5, x_6, x_7, x_8, x_77);
+if (lean_obj_tag(x_78) == 0)
 {
-lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_79 = lean_ctor_get(x_77, 0);
-x_80 = lean_ctor_get(x_77, 1);
-lean_inc(x_80);
+lean_object* x_79; uint8_t x_80; 
+x_79 = lean_ctor_get(x_78, 0);
 lean_inc(x_79);
-lean_dec(x_77);
-x_81 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_81, 0, x_79);
-lean_ctor_set(x_81, 1, x_80);
-return x_81;
-}
-}
-else
+x_80 = lean_unbox(x_79);
+lean_dec(x_79);
+if (x_80 == 0)
 {
-lean_object* x_82; lean_object* x_83; 
-lean_dec(x_4);
-lean_dec(x_3);
-x_82 = lean_ctor_get(x_72, 1);
-lean_inc(x_82);
-lean_dec(x_72);
-x_83 = l_Lean_Meta_mkEqRec(x_70, x_54, x_27, x_5, x_6, x_7, x_8, x_82);
-return x_83;
-}
-}
-else
-{
-uint8_t x_84; 
-lean_dec(x_70);
-lean_dec(x_54);
-lean_dec(x_27);
+lean_object* x_81; lean_object* x_82; lean_object* x_83; uint8_t x_84; 
+lean_dec(x_76);
+lean_dec(x_60);
+lean_dec(x_33);
+x_81 = lean_ctor_get(x_78, 1);
+lean_inc(x_81);
+lean_dec(x_78);
+x_82 = l_Lean_Elab_Term_elabSubst___lambda__8___closed__2;
+x_83 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_82, x_3, x_4, x_5, x_6, x_7, x_8, x_81);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-lean_dec(x_3);
-x_84 = !lean_is_exclusive(x_72);
+x_84 = !lean_is_exclusive(x_83);
 if (x_84 == 0)
 {
-return x_72;
+return x_83;
 }
 else
 {
 lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-x_85 = lean_ctor_get(x_72, 0);
-x_86 = lean_ctor_get(x_72, 1);
+x_85 = lean_ctor_get(x_83, 0);
+x_86 = lean_ctor_get(x_83, 1);
 lean_inc(x_86);
 lean_inc(x_85);
-lean_dec(x_72);
+lean_dec(x_83);
 x_87 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_87, 0, x_85);
 lean_ctor_set(x_87, 1, x_86);
 return x_87;
 }
 }
-}
 else
 {
-uint8_t x_88; 
-lean_dec(x_54);
-lean_dec(x_27);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
+lean_object* x_88; lean_object* x_89; 
 lean_dec(x_4);
 lean_dec(x_3);
-x_88 = !lean_is_exclusive(x_69);
-if (x_88 == 0)
-{
-return x_69;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_89 = lean_ctor_get(x_69, 0);
-x_90 = lean_ctor_get(x_69, 1);
-lean_inc(x_90);
-lean_inc(x_89);
-lean_dec(x_69);
-x_91 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_91, 0, x_89);
-lean_ctor_set(x_91, 1, x_90);
-return x_91;
-}
+x_88 = lean_ctor_get(x_78, 1);
+lean_inc(x_88);
+lean_dec(x_78);
+x_89 = l_Lean_Meta_mkEqRec(x_76, x_60, x_33, x_5, x_6, x_7, x_8, x_88);
+return x_89;
 }
 }
 else
 {
-uint8_t x_92; 
-lean_dec(x_54);
-lean_dec(x_52);
-lean_dec(x_51);
-lean_dec(x_27);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_92 = !lean_is_exclusive(x_60);
-if (x_92 == 0)
-{
-return x_60;
-}
-else
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_93 = lean_ctor_get(x_60, 0);
-x_94 = lean_ctor_get(x_60, 1);
-lean_inc(x_94);
-lean_inc(x_93);
+uint8_t x_90; 
+lean_dec(x_76);
 lean_dec(x_60);
-x_95 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_95, 0, x_93);
-lean_ctor_set(x_95, 1, x_94);
-return x_95;
-}
-}
-}
-else
-{
-uint8_t x_96; 
-lean_dec(x_54);
-lean_dec(x_52);
-lean_dec(x_51);
-lean_dec(x_27);
+lean_dec(x_33);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_96 = !lean_is_exclusive(x_56);
-if (x_96 == 0)
+x_90 = !lean_is_exclusive(x_78);
+if (x_90 == 0)
 {
-return x_56;
+return x_78;
 }
 else
 {
-lean_object* x_97; lean_object* x_98; lean_object* x_99; 
-x_97 = lean_ctor_get(x_56, 0);
-x_98 = lean_ctor_get(x_56, 1);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_dec(x_56);
-x_99 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_99, 0, x_97);
-lean_ctor_set(x_99, 1, x_98);
-return x_99;
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_78, 0);
+x_92 = lean_ctor_get(x_78, 1);
+lean_inc(x_92);
+lean_inc(x_91);
+lean_dec(x_78);
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
 }
 }
 }
 else
 {
-uint8_t x_100; 
-lean_dec(x_52);
-lean_dec(x_51);
-lean_dec(x_27);
+uint8_t x_94; 
+lean_dec(x_60);
+lean_dec(x_33);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_100 = !lean_is_exclusive(x_53);
-if (x_100 == 0)
+x_94 = !lean_is_exclusive(x_75);
+if (x_94 == 0)
 {
-return x_53;
+return x_75;
 }
 else
 {
-lean_object* x_101; lean_object* x_102; lean_object* x_103; 
-x_101 = lean_ctor_get(x_53, 0);
-x_102 = lean_ctor_get(x_53, 1);
-lean_inc(x_102);
-lean_inc(x_101);
-lean_dec(x_53);
-x_103 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_103, 0, x_101);
-lean_ctor_set(x_103, 1, x_102);
-return x_103;
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_75, 0);
+x_96 = lean_ctor_get(x_75, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_75);
+x_97 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_97, 0, x_95);
+lean_ctor_set(x_97, 1, x_96);
+return x_97;
 }
 }
 }
 else
 {
-lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; 
-x_104 = lean_ctor_get(x_35, 1);
+uint8_t x_98; 
+lean_dec(x_60);
+lean_dec(x_58);
+lean_dec(x_57);
+lean_dec(x_33);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_98 = !lean_is_exclusive(x_66);
+if (x_98 == 0)
+{
+return x_66;
+}
+else
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_99 = lean_ctor_get(x_66, 0);
+x_100 = lean_ctor_get(x_66, 1);
+lean_inc(x_100);
+lean_inc(x_99);
+lean_dec(x_66);
+x_101 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+return x_101;
+}
+}
+}
+else
+{
+uint8_t x_102; 
+lean_dec(x_60);
+lean_dec(x_58);
+lean_dec(x_57);
+lean_dec(x_33);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_102 = !lean_is_exclusive(x_62);
+if (x_102 == 0)
+{
+return x_62;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+x_103 = lean_ctor_get(x_62, 0);
+x_104 = lean_ctor_get(x_62, 1);
 lean_inc(x_104);
-lean_dec(x_35);
-x_105 = lean_ctor_get(x_48, 0);
-lean_inc(x_105);
-lean_dec(x_48);
-x_106 = lean_ctor_get(x_49, 0);
-lean_inc(x_106);
-x_107 = lean_ctor_get(x_49, 1);
-lean_inc(x_107);
-lean_dec(x_49);
-x_108 = lean_ctor_get(x_11, 0);
+lean_inc(x_103);
+lean_dec(x_62);
+x_105 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+return x_105;
+}
+}
+}
+else
+{
+uint8_t x_106; 
+lean_dec(x_58);
+lean_dec(x_57);
+lean_dec(x_33);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+x_106 = !lean_is_exclusive(x_59);
+if (x_106 == 0)
+{
+return x_59;
+}
+else
+{
+lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_107 = lean_ctor_get(x_59, 0);
+x_108 = lean_ctor_get(x_59, 1);
 lean_inc(x_108);
+lean_inc(x_107);
+lean_dec(x_59);
+x_109 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_109, 0, x_107);
+lean_ctor_set(x_109, 1, x_108);
+return x_109;
+}
+}
+}
+else
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+x_110 = lean_ctor_get(x_41, 1);
+lean_inc(x_110);
+lean_dec(x_41);
+x_111 = lean_ctor_get(x_54, 0);
+lean_inc(x_111);
+lean_dec(x_54);
+x_112 = lean_ctor_get(x_55, 0);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_55, 1);
+lean_inc(x_113);
+lean_dec(x_55);
+x_114 = lean_ctor_get(x_11, 0);
+lean_inc(x_114);
 lean_dec(x_11);
-x_109 = lean_box(0);
+x_115 = lean_box(0);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_107);
-lean_inc(x_108);
-x_110 = l_Lean_Meta_kabstract(x_108, x_107, x_109, x_5, x_6, x_7, x_8, x_104);
-if (lean_obj_tag(x_110) == 0)
+lean_inc(x_113);
+lean_inc(x_114);
+x_116 = l_Lean_Meta_kabstract(x_114, x_113, x_115, x_5, x_6, x_7, x_8, x_110);
+if (lean_obj_tag(x_116) == 0)
 {
-lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; 
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_110, 1);
-lean_inc(x_112);
-lean_dec(x_110);
-x_113 = l_Lean_Elab_Term_elabAnonymousCtor___closed__3;
-x_114 = l_Lean_Elab_Term_elabAnonymousCtor___closed__2;
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; uint8_t x_122; 
+x_117 = lean_ctor_get(x_116, 0);
+lean_inc(x_117);
+x_118 = lean_ctor_get(x_116, 1);
+lean_inc(x_118);
+lean_dec(x_116);
+x_119 = l_Lean_Elab_Term_elabAnonymousCtor___closed__3;
+x_120 = l_Lean_Elab_Term_elabAnonymousCtor___closed__2;
 lean_inc(x_17);
 lean_inc(x_23);
 lean_inc(x_1);
-lean_inc(x_108);
-lean_inc(x_105);
-x_115 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabSubst___lambda__8___boxed), 20, 8);
-lean_closure_set(x_115, 0, x_105);
-lean_closure_set(x_115, 1, x_113);
-lean_closure_set(x_115, 2, x_114);
-lean_closure_set(x_115, 3, x_108);
-lean_closure_set(x_115, 4, x_1);
-lean_closure_set(x_115, 5, x_23);
-lean_closure_set(x_115, 6, x_17);
-lean_closure_set(x_115, 7, x_24);
-x_116 = l_Lean_Expr_hasLooseBVars(x_111);
-if (x_116 == 0)
+lean_inc(x_114);
+lean_inc(x_111);
+x_121 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabSubst___lambda__8___boxed), 20, 8);
+lean_closure_set(x_121, 0, x_111);
+lean_closure_set(x_121, 1, x_119);
+lean_closure_set(x_121, 2, x_120);
+lean_closure_set(x_121, 3, x_114);
+lean_closure_set(x_121, 4, x_1);
+lean_closure_set(x_121, 5, x_23);
+lean_closure_set(x_121, 6, x_17);
+lean_closure_set(x_121, 7, x_28);
+x_122 = l_Lean_Expr_hasLooseBVars(x_117);
+if (x_122 == 0)
 {
-lean_object* x_117; 
+lean_object* x_123; 
+lean_dec(x_117);
 lean_dec(x_111);
-lean_dec(x_105);
 lean_dec(x_23);
 lean_dec(x_17);
 lean_dec(x_1);
@@ -19206,161 +19228,113 @@ lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-lean_inc(x_106);
-lean_inc(x_108);
-x_117 = l_Lean_Meta_kabstract(x_108, x_106, x_109, x_5, x_6, x_7, x_8, x_112);
-if (lean_obj_tag(x_117) == 0)
+lean_inc(x_112);
+lean_inc(x_114);
+x_123 = l_Lean_Meta_kabstract(x_114, x_112, x_115, x_5, x_6, x_7, x_8, x_118);
+if (lean_obj_tag(x_123) == 0)
 {
-lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
-lean_inc(x_119);
-lean_dec(x_117);
-x_120 = l_Lean_Expr_hasLooseBVars(x_118);
-if (x_120 == 0)
+lean_object* x_124; lean_object* x_125; uint8_t x_126; 
+x_124 = lean_ctor_get(x_123, 0);
+lean_inc(x_124);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
+x_126 = l_Lean_Expr_hasLooseBVars(x_124);
+if (x_126 == 0)
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; uint8_t x_135; 
-lean_dec(x_118);
-lean_dec(x_115);
-lean_dec(x_107);
-lean_dec(x_106);
-x_121 = l_Lean_indentExpr(x_108);
-x_122 = l_Lean_Elab_Term_elabSubst___closed__9;
-x_123 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_123, 0, x_122);
-lean_ctor_set(x_123, 1, x_121);
-x_124 = l_Lean_Elab_Term_elabSubst___closed__11;
-x_125 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_125, 0, x_123);
-lean_ctor_set(x_125, 1, x_124);
-x_126 = l_Lean_indentExpr(x_27);
-x_127 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_127, 0, x_125);
-lean_ctor_set(x_127, 1, x_126);
-x_128 = l_Lean_Elab_Term_elabSubst___closed__13;
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; uint8_t x_141; 
+lean_dec(x_124);
+lean_dec(x_121);
+lean_dec(x_113);
+lean_dec(x_112);
+x_127 = l_Lean_indentExpr(x_114);
+x_128 = l_Lean_Elab_Term_elabSubst___closed__9;
 x_129 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_129, 0, x_127);
-lean_ctor_set(x_129, 1, x_128);
-x_130 = l_Lean_indentExpr(x_33);
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_127);
+x_130 = l_Lean_Elab_Term_elabSubst___closed__11;
 x_131 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_131, 0, x_129);
 lean_ctor_set(x_131, 1, x_130);
-x_132 = l_Lean_Elab_Term_elabSubst___closed__15;
+x_132 = l_Lean_indentExpr(x_33);
 x_133 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_133, 0, x_131);
 lean_ctor_set(x_133, 1, x_132);
-x_134 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_133, x_3, x_4, x_5, x_6, x_7, x_8, x_119);
+x_134 = l_Lean_Elab_Term_elabSubst___closed__13;
+x_135 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_135, 0, x_133);
+lean_ctor_set(x_135, 1, x_134);
+x_136 = l_Lean_indentExpr(x_39);
+x_137 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_137, 0, x_135);
+lean_ctor_set(x_137, 1, x_136);
+x_138 = l_Lean_Elab_Term_elabSubst___closed__15;
+x_139 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_139, 0, x_137);
+lean_ctor_set(x_139, 1, x_138);
+x_140 = l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_applyAttributesCore___spec__1(x_139, x_3, x_4, x_5, x_6, x_7, x_8, x_125);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
-x_135 = !lean_is_exclusive(x_134);
-if (x_135 == 0)
-{
-return x_134;
-}
-else
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; 
-x_136 = lean_ctor_get(x_134, 0);
-x_137 = lean_ctor_get(x_134, 1);
-lean_inc(x_137);
-lean_inc(x_136);
-lean_dec(x_134);
-x_138 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_138, 0, x_136);
-lean_ctor_set(x_138, 1, x_137);
-return x_138;
-}
-}
-else
-{
-lean_object* x_139; lean_object* x_140; 
-lean_dec(x_108);
-lean_dec(x_33);
-x_139 = lean_box(0);
-x_140 = l_Lean_Elab_Term_elabSubst___lambda__9(x_115, x_118, x_27, x_106, x_107, x_139, x_3, x_4, x_5, x_6, x_7, x_8, x_119);
-return x_140;
-}
-}
-else
-{
-uint8_t x_141; 
-lean_dec(x_115);
-lean_dec(x_108);
-lean_dec(x_107);
-lean_dec(x_106);
-lean_dec(x_33);
-lean_dec(x_27);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-x_141 = !lean_is_exclusive(x_117);
+x_141 = !lean_is_exclusive(x_140);
 if (x_141 == 0)
 {
-return x_117;
+return x_140;
 }
 else
 {
 lean_object* x_142; lean_object* x_143; lean_object* x_144; 
-x_142 = lean_ctor_get(x_117, 0);
-x_143 = lean_ctor_get(x_117, 1);
+x_142 = lean_ctor_get(x_140, 0);
+x_143 = lean_ctor_get(x_140, 1);
 lean_inc(x_143);
 lean_inc(x_142);
-lean_dec(x_117);
+lean_dec(x_140);
 x_144 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_144, 0, x_142);
 lean_ctor_set(x_144, 1, x_143);
 return x_144;
 }
 }
-}
 else
 {
 lean_object* x_145; lean_object* x_146; 
-lean_dec(x_115);
-lean_dec(x_33);
+lean_dec(x_114);
+lean_dec(x_39);
 x_145 = lean_box(0);
-x_146 = l_Lean_Elab_Term_elabSubst___lambda__8(x_105, x_113, x_114, x_108, x_1, x_23, x_17, x_24, x_111, x_27, x_106, x_107, x_145, x_3, x_4, x_5, x_6, x_7, x_8, x_112);
+x_146 = l_Lean_Elab_Term_elabSubst___lambda__9(x_121, x_124, x_33, x_112, x_113, x_145, x_3, x_4, x_5, x_6, x_7, x_8, x_125);
 return x_146;
 }
 }
 else
 {
 uint8_t x_147; 
-lean_dec(x_108);
-lean_dec(x_107);
-lean_dec(x_106);
-lean_dec(x_105);
+lean_dec(x_121);
+lean_dec(x_114);
+lean_dec(x_113);
+lean_dec(x_112);
+lean_dec(x_39);
 lean_dec(x_33);
-lean_dec(x_27);
-lean_dec(x_23);
-lean_dec(x_17);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-lean_dec(x_1);
-x_147 = !lean_is_exclusive(x_110);
+x_147 = !lean_is_exclusive(x_123);
 if (x_147 == 0)
 {
-return x_110;
+return x_123;
 }
 else
 {
 lean_object* x_148; lean_object* x_149; lean_object* x_150; 
-x_148 = lean_ctor_get(x_110, 0);
-x_149 = lean_ctor_get(x_110, 1);
+x_148 = lean_ctor_get(x_123, 0);
+x_149 = lean_ctor_get(x_123, 1);
 lean_inc(x_149);
 lean_inc(x_148);
-lean_dec(x_110);
+lean_dec(x_123);
 x_150 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_150, 0, x_148);
 lean_ctor_set(x_150, 1, x_149);
@@ -19368,13 +19342,61 @@ return x_150;
 }
 }
 }
+else
+{
+lean_object* x_151; lean_object* x_152; 
+lean_dec(x_121);
+lean_dec(x_39);
+x_151 = lean_box(0);
+x_152 = l_Lean_Elab_Term_elabSubst___lambda__8(x_111, x_119, x_120, x_114, x_1, x_23, x_17, x_28, x_117, x_33, x_112, x_113, x_151, x_3, x_4, x_5, x_6, x_7, x_8, x_118);
+return x_152;
 }
 }
 else
 {
-uint8_t x_151; 
+uint8_t x_153; 
+lean_dec(x_114);
+lean_dec(x_113);
+lean_dec(x_112);
+lean_dec(x_111);
+lean_dec(x_39);
+lean_dec(x_33);
+lean_dec(x_23);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_153 = !lean_is_exclusive(x_116);
+if (x_153 == 0)
+{
+return x_116;
+}
+else
+{
+lean_object* x_154; lean_object* x_155; lean_object* x_156; 
+x_154 = lean_ctor_get(x_116, 0);
+x_155 = lean_ctor_get(x_116, 1);
+lean_inc(x_155);
+lean_inc(x_154);
+lean_dec(x_116);
+x_156 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_156, 0, x_154);
+lean_ctor_set(x_156, 1, x_155);
+return x_156;
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_157; 
+lean_dec(x_39);
 lean_dec(x_33);
-lean_dec(x_27);
 lean_dec(x_23);
 lean_dec(x_17);
 lean_dec(x_11);
@@ -19385,30 +19407,63 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_151 = !lean_is_exclusive(x_35);
-if (x_151 == 0)
+x_157 = !lean_is_exclusive(x_41);
+if (x_157 == 0)
+{
+return x_41;
+}
+else
+{
+lean_object* x_158; lean_object* x_159; lean_object* x_160; 
+x_158 = lean_ctor_get(x_41, 0);
+x_159 = lean_ctor_get(x_41, 1);
+lean_inc(x_159);
+lean_inc(x_158);
+lean_dec(x_41);
+x_160 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_160, 0, x_158);
+lean_ctor_set(x_160, 1, x_159);
+return x_160;
+}
+}
+}
+else
+{
+uint8_t x_161; 
+lean_dec(x_33);
+lean_dec(x_23);
+lean_dec(x_17);
+lean_dec(x_11);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+x_161 = !lean_is_exclusive(x_35);
+if (x_161 == 0)
 {
 return x_35;
 }
 else
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_152 = lean_ctor_get(x_35, 0);
-x_153 = lean_ctor_get(x_35, 1);
-lean_inc(x_153);
-lean_inc(x_152);
+lean_object* x_162; lean_object* x_163; lean_object* x_164; 
+x_162 = lean_ctor_get(x_35, 0);
+x_163 = lean_ctor_get(x_35, 1);
+lean_inc(x_163);
+lean_inc(x_162);
 lean_dec(x_35);
-x_154 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_154, 0, x_152);
-lean_ctor_set(x_154, 1, x_153);
-return x_154;
+x_164 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_164, 0, x_162);
+lean_ctor_set(x_164, 1, x_163);
+return x_164;
 }
 }
 }
 else
 {
-uint8_t x_155; 
-lean_dec(x_27);
+uint8_t x_165; 
 lean_dec(x_23);
 lean_dec(x_17);
 lean_dec(x_11);
@@ -19419,29 +19474,29 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_155 = !lean_is_exclusive(x_29);
-if (x_155 == 0)
+x_165 = !lean_is_exclusive(x_32);
+if (x_165 == 0)
 {
-return x_29;
+return x_32;
 }
 else
 {
-lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-x_156 = lean_ctor_get(x_29, 0);
-x_157 = lean_ctor_get(x_29, 1);
-lean_inc(x_157);
-lean_inc(x_156);
-lean_dec(x_29);
-x_158 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_158, 0, x_156);
-lean_ctor_set(x_158, 1, x_157);
-return x_158;
+lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+x_166 = lean_ctor_get(x_32, 0);
+x_167 = lean_ctor_get(x_32, 1);
+lean_inc(x_167);
+lean_inc(x_166);
+lean_dec(x_32);
+x_168 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_168, 0, x_166);
+lean_ctor_set(x_168, 1, x_167);
+return x_168;
 }
 }
 }
 else
 {
-uint8_t x_159; 
+uint8_t x_169; 
 lean_dec(x_23);
 lean_dec(x_17);
 lean_dec(x_11);
@@ -19452,23 +19507,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_159 = !lean_is_exclusive(x_26);
-if (x_159 == 0)
+x_169 = !lean_is_exclusive(x_26);
+if (x_169 == 0)
 {
 return x_26;
 }
 else
 {
-lean_object* x_160; lean_object* x_161; lean_object* x_162; 
-x_160 = lean_ctor_get(x_26, 0);
-x_161 = lean_ctor_get(x_26, 1);
-lean_inc(x_161);
-lean_inc(x_160);
+lean_object* x_170; lean_object* x_171; lean_object* x_172; 
+x_170 = lean_ctor_get(x_26, 0);
+x_171 = lean_ctor_get(x_26, 1);
+lean_inc(x_171);
+lean_inc(x_170);
 lean_dec(x_26);
-x_162 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_162, 0, x_160);
-lean_ctor_set(x_162, 1, x_161);
-return x_162;
+x_172 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_172, 0, x_170);
+lean_ctor_set(x_172, 1, x_171);
+return x_172;
 }
 }
 }
@@ -19476,7 +19531,7 @@ return x_162;
 }
 else
 {
-uint8_t x_163; 
+uint8_t x_173; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -19484,23 +19539,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_1);
-x_163 = !lean_is_exclusive(x_10);
-if (x_163 == 0)
+x_173 = !lean_is_exclusive(x_10);
+if (x_173 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-x_164 = lean_ctor_get(x_10, 0);
-x_165 = lean_ctor_get(x_10, 1);
-lean_inc(x_165);
-lean_inc(x_164);
+lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+x_174 = lean_ctor_get(x_10, 0);
+x_175 = lean_ctor_get(x_10, 1);
+lean_inc(x_175);
+lean_inc(x_174);
 lean_dec(x_10);
-x_166 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_166, 0, x_164);
-lean_ctor_set(x_166, 1, x_165);
-return x_166;
+x_176 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_176, 0, x_174);
+lean_ctor_set(x_176, 1, x_175);
+return x_176;
 }
 }
 }
@@ -19675,7 +19730,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabSubst_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(367u);
+x_1 = lean_unsigned_to_nat(368u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20151,7 +20206,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabStateRefT_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(29u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20163,7 +20218,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabStateRefT_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(378u);
+x_1 = lean_unsigned_to_nat(379u);
 x_2 = lean_unsigned_to_nat(32u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20191,7 +20246,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabStateRefT_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(33u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20203,7 +20258,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabStateRefT_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(369u);
+x_1 = lean_unsigned_to_nat(370u);
 x_2 = lean_unsigned_to_nat(46u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20377,7 +20432,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNoindex_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(380u);
+x_1 = lean_unsigned_to_nat(381u);
 x_2 = lean_unsigned_to_nat(27u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20389,7 +20444,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNoindex_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(382u);
+x_1 = lean_unsigned_to_nat(383u);
 x_2 = lean_unsigned_to_nat(40u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20417,7 +20472,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNoindex_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(380u);
+x_1 = lean_unsigned_to_nat(381u);
 x_2 = lean_unsigned_to_nat(31u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -20429,7 +20484,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_elabNoindex_declRange___
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(380u);
+x_1 = lean_unsigned_to_nat(381u);
 x_2 = lean_unsigned_to_nat(42u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
diff --git a/stage0/stdlib/Lean/Elab/Declaration.c b/stage0/stdlib/Lean/Elab/Declaration.c
index f820eebd01..c6715868a7 100644
--- a/stage0/stdlib/Lean/Elab/Declaration.c
+++ b/stage0/stdlib/Lean/Elab/Declaration.c
@@ -33,6 +33,7 @@ LEAN_EXPORT lean_object* l_Lean_addDeclarationRanges___at_Lean_Elab_Command_elab
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_elabAttr___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_expandDeclNamespace_x3f___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabAxiom___lambda__5___closed__5;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -310,7 +311,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabAxiom___lambda__1___boxed(lean_
 lean_object* l_Lean_Elab_expandDeclIdCore(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabAttr___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_isMutualDef(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Command_expandMutualElement___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_isMutualPreambleCommand(lean_object*);
@@ -356,7 +356,6 @@ lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
 uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabAxiom___lambda__7___closed__1;
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Command_expandInitialize_declRange(lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandMutualElement_declRange___closed__1;
 static lean_object* l_Lean_Elab_Command_expandInitCmd___closed__4;
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandBuiltinInitialize_declRange___closed__1;
@@ -493,6 +492,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_
 static lean_object* l___regBuiltin_Lean_Elab_Command_elabAttr_declRange___closed__7;
 static lean_object* l___private_Lean_Elab_Declaration_0__Lean_Elab_Command_expandDeclNamespace_x3f___closed__15;
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandMutualNamespace___closed__4;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabMutual___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Command_expandBuiltinInitialize___closed__3;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Declaration_0__Lean_Elab_Command_inductiveSyntaxToView___spec__3___closed__2;
@@ -4024,7 +4024,7 @@ lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint
 x_83 = lean_ctor_get(x_78, 1);
 lean_inc(x_83);
 lean_dec(x_78);
-x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_60, x_10, x_11, x_12, x_13, x_14, x_15, x_83);
+x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_60, x_10, x_11, x_12, x_13, x_14, x_15, x_83);
 x_85 = lean_ctor_get(x_84, 0);
 lean_inc(x_85);
 x_86 = lean_ctor_get(x_84, 1);
@@ -4069,7 +4069,7 @@ lean_ctor_set(x_71, 1, x_70);
 x_72 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_72, 0, x_71);
 lean_ctor_set(x_72, 1, x_66);
-x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_60, x_72, x_10, x_11, x_12, x_13, x_14, x_15, x_62);
+x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_60, x_72, x_10, x_11, x_12, x_13, x_14, x_15, x_62);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/BEq.c b/stage0/stdlib/Lean/Elab/Deriving/BEq.c
index 2dd7081326..ab61853294 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/BEq.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/BEq.c
@@ -21,6 +21,7 @@ static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch___closed__2;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__10;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___closed__8;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___closed__17;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMutualBlock___closed__14;
@@ -150,7 +151,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_BEq_mkBEqHeader(lean_object*, lean
 static lean_object* l_Lean_Elab_Deriving_BEq_mkMutualBlock___closed__4;
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__9;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__23;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqEnumFun___closed__16;
@@ -173,7 +173,6 @@ LEAN_EXPORT lean_object* l_Lean_isEnumType___at_Lean_Elab_Deriving_BEq_mkBEqInst
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___spec__1___closed__5;
 static lean_object* l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqEnumFun___closed__10;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__4___closed__7;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__22;
 lean_object* lean_environment_main_module(lean_object*);
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__15;
@@ -239,6 +238,7 @@ extern lean_object* l_Lean_instInhabitedInductiveVal;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__28;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__14;
 static lean_object* l_Lean_Elab_Deriving_BEq_mkAuxFunction___lambda__1___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_BEq_mkMatch_mkElseAlt___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Deriving_BEq_mkMatch_mkAlts___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_betaReduce___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5051,7 +5051,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -5101,7 +5101,7 @@ x_38 = l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqInstanc
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -6040,7 +6040,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_2, x_3, x_4, x_5, x_6, x_7, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_2, x_3, x_4, x_5, x_6, x_7, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -6090,7 +6090,7 @@ x_36 = l___private_Lean_Elab_Deriving_BEq_0__Lean_Elab_Deriving_BEq_mkBEqInstanc
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_37, x_2, x_3, x_4, x_5, x_6, x_7, x_28);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_37, x_2, x_3, x_4, x_5, x_6, x_7, x_28);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/DecEq.c b/stage0/stdlib/Lean/Elab/Deriving/DecEq.c
index ecdebb1fed..89a10e647f 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/DecEq.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/DecEq.c
@@ -25,6 +25,7 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__3
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__25;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__22;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkEnumOfNat_mkDecTree___closed__4;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__37;
@@ -261,7 +262,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_DecEq_mk
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__29;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch___closed__3;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__36;
 LEAN_EXPORT lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_DecEq_mkMatch_mkAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -282,7 +282,6 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_DecEq_mkMatch_mkAlts___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_redLength___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqHeader(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__57;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__4;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__69;
@@ -381,6 +380,7 @@ static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkEnumOfNat_mkDecTree___closed__7;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__44;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkMatch_mkSameCtorRhs___lambda__2___closed__40;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkAuxFunction___closed__12;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__23;
 static lean_object* l_Lean_Elab_Deriving_DecEq_mkDecEqEnum___closed__41;
@@ -6327,7 +6327,7 @@ lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint
 x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_dec(x_46);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -6377,7 +6377,7 @@ x_38 = l_Lean_Elab_Deriving_DecEq_mkDecEqCmds___closed__10;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Hashable.c b/stage0/stdlib/Lean/Elab/Deriving/Hashable.c
index ff983f5bec..8b78c1be06 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Hashable.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Hashable.c
@@ -17,6 +17,7 @@ lean_object* l_List_reverse___rarg(lean_object*);
 lean_object* l_Lean_getConstInfo___at_Lean_Elab_Term_mkConst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
@@ -124,7 +125,6 @@ static lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Deriving_Hashable_mkHashableHandler___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__4___boxed(lean_object**);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__9;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mkHashableInstanceCmds___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch___closed__4;
@@ -143,7 +143,6 @@ LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMa
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__4___closed__4;
 lean_object* l_List_redLength___rarg(lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mkHashableInstanceCmds___closed__2;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__8;
 static lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__1___closed__4;
 static lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Hashable_mkMatch_mkAlts___spec__1___closed__1;
@@ -193,6 +192,7 @@ static lean_object* l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Derivin
 static lean_object* l_Lean_Elab_Deriving_Hashable_initFn____x40_Lean_Elab_Deriving_Hashable___hyg_2330____closed__1;
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkAuxFunction___closed__12;
 static lean_object* l_Lean_Elab_Deriving_Hashable_mkHashFuncs___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 lean_object* l_Array_findIdx_x3f_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_Hashable_mkMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -4282,7 +4282,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -4332,7 +4332,7 @@ x_38 = l___private_Lean_Elab_Deriving_Hashable_0__Lean_Elab_Deriving_Hashable_mk
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Inhabited.c b/stage0/stdlib/Lean/Elab/Deriving/Inhabited.c
index 1b975a2bcf..5b1dad3a3d 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Inhabited.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Inhabited.c
@@ -23,6 +23,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_m
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParamsAux___rarg___lambda__2___closed__10;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_mkInhabitedInstanceHandler___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -174,7 +175,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_mkInhabitedIns
 static lean_object* l_List_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance___spec__3___closed__1;
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParams(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__7(lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__4___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__5(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -200,7 +200,6 @@ static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInha
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__24;
 lean_object* l_Lean_Meta_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__7;
 LEAN_EXPORT lean_object* l_Std_RBNode_revFold___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__3___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_collectUsedLocalsInsts(lean_object*, lean_object*, lean_object*);
@@ -264,6 +263,7 @@ lean_object* lean_mk_syntax_ident(lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___closed__5;
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmdWith___spec__6___closed__1;
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_addLocalInstancesForParamsAux___rarg___closed__3;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_collectUsedLocalsInsts___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescopeReducing___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__7___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanceUsing_mkInstanceCmd_x3f___spec__1___lambda__2___closed__6;
@@ -2922,7 +2922,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint
 x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -2957,7 +2957,7 @@ x_22 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -9670,7 +9670,7 @@ x_66 = lean_ctor_get(x_60, 1);
 lean_inc(x_66);
 lean_dec(x_60);
 lean_inc(x_5);
-x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_66);
+x_67 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_66);
 x_68 = lean_ctor_get(x_67, 0);
 lean_inc(x_68);
 x_69 = lean_ctor_get(x_67, 1);
@@ -9743,7 +9743,7 @@ lean_ctor_set(x_38, 1, x_33);
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_38);
 lean_ctor_set(x_39, 1, x_34);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_39, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -9776,7 +9776,7 @@ x_49 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_50 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_50, 0, x_48);
 lean_ctor_set(x_50, 1, x_49);
-x_51 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_50, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
+x_51 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_50, x_10, x_11, x_12, x_13, x_14, x_15, x_27);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -9910,7 +9910,7 @@ x_131 = lean_ctor_get(x_125, 1);
 lean_inc(x_131);
 lean_dec(x_125);
 lean_inc(x_5);
-x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_131);
+x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_10, x_11, x_12, x_13, x_14, x_15, x_131);
 x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
 x_134 = lean_ctor_get(x_132, 1);
@@ -9983,7 +9983,7 @@ lean_ctor_set(x_103, 1, x_98);
 x_104 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_104, 0, x_103);
 lean_ctor_set(x_104, 1, x_99);
-x_105 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_104, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_105 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_104, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_106 = lean_ctor_get(x_105, 0);
 lean_inc(x_106);
 x_107 = lean_ctor_get(x_105, 1);
@@ -10016,7 +10016,7 @@ x_114 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstanc
 x_115 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_115, 0, x_113);
 lean_ctor_set(x_115, 1, x_114);
-x_116 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_115, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_116 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_115, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_117 = lean_ctor_get(x_116, 0);
 lean_inc(x_117);
 x_118 = lean_ctor_get(x_116, 1);
@@ -10214,7 +10214,7 @@ lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint
 x_92 = lean_ctor_get(x_86, 1);
 lean_inc(x_92);
 lean_dec(x_86);
-x_93 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_35, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
+x_93 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_35, x_10, x_11, x_12, x_13, x_14, x_15, x_92);
 x_94 = lean_ctor_get(x_93, 0);
 lean_inc(x_94);
 x_95 = lean_ctor_get(x_93, 1);
@@ -10360,7 +10360,7 @@ x_63 = l_Lean_getConstInfoInduct___at___private_Lean_Elab_Deriving_Inhabited_0__
 x_64 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_64, 0, x_62);
 lean_ctor_set(x_64, 1, x_63);
-x_65 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_35, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
+x_65 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_35, x_64, x_10, x_11, x_12, x_13, x_14, x_15, x_37);
 x_66 = lean_ctor_get(x_65, 0);
 lean_inc(x_66);
 x_67 = lean_ctor_get(x_65, 1);
@@ -10927,7 +10927,7 @@ x_36 = lean_ctor_get(x_30, 1);
 lean_inc(x_36);
 lean_dec(x_30);
 lean_inc(x_4);
-x_37 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_36);
+x_37 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_36);
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
@@ -10967,7 +10967,7 @@ x_23 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_24 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_24, 0, x_22);
 lean_ctor_set(x_24, 1, x_23);
-x_25 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_4, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
+x_25 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_4, x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_17);
 x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
 x_27 = lean_ctor_get(x_25, 1);
@@ -11155,7 +11155,7 @@ lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint
 x_71 = lean_ctor_get(x_65, 1);
 lean_inc(x_71);
 lean_dec(x_65);
-x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_29, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
+x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_29, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
 x_73 = lean_ctor_get(x_72, 0);
 lean_inc(x_73);
 x_74 = lean_ctor_get(x_72, 1);
@@ -11215,7 +11215,7 @@ lean_ctor_set(x_47, 1, x_42);
 x_48 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_48, 0, x_47);
 lean_ctor_set(x_48, 1, x_43);
-x_49 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_48, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_49 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_48, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -11245,7 +11245,7 @@ x_58 = l___private_Lean_Elab_Deriving_Inhabited_0__Lean_Elab_mkInhabitedInstance
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_29, x_59, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_29, x_59, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Ord.c b/stage0/stdlib/Lean/Elab/Deriving/Ord.c
index 7d88e67597..80ac0a740a 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Ord.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Ord.c
@@ -20,6 +20,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_m
 uint8_t l_Lean_Expr_hasAnyFVar_visit___at_Lean_Expr_containsFVar___spec__1(lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__52;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapTRAux___at___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
@@ -146,7 +147,6 @@ lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_obj
 LEAN_EXPORT lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__21;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__38;
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__3;
@@ -165,7 +165,6 @@ static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts
 static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___closed__10;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__42;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__4;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMutualBlock___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__7___lambda__2___closed__8;
 lean_object* lean_environment_main_module(lean_object*);
@@ -216,6 +215,7 @@ static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord
 static lean_object* l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanceCmds___closed__4;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__3___closed__7;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__15;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__5___lambda__1___closed__3;
 static lean_object* l_Lean_Elab_Deriving_Ord_mkAuxFunction___lambda__1___closed__26;
 LEAN_EXPORT lean_object* l_Lean_getConstInfoCtor___at_Lean_Elab_Deriving_Ord_mkMatch_mkAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -5221,7 +5221,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -5271,7 +5271,7 @@ x_38 = l___private_Lean_Elab_Deriving_Ord_0__Lean_Elab_Deriving_Ord_mkOrdInstanc
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Repr.c b/stage0/stdlib/Lean/Elab/Deriving/Repr.c
index 7030fdd0ed..a5838be1ca 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Repr.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Repr.c
@@ -21,6 +21,7 @@ static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__1___clos
 static lean_object* l___private_Lean_Elab_Deriving_Repr_0__Lean_Elab_Deriving_Repr_mkReprInstanceCmds___closed__1;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__1___closed__1;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_Repr_mkReprInstanceHandler(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -203,7 +204,6 @@ lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_obj
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__15;
 size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__47;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__13;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__5;
@@ -219,7 +219,6 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Deriving_Repr_mkBodyFo
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__10;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__1___closed__6;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkBodyForStruct___lambda__2___closed__14;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkReprHeader___closed__26;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__26;
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -280,6 +279,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyFo
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__10;
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__3___lambda__1___closed__32;
 static lean_object* l_Lean_Elab_Deriving_Repr_mkAuxFunction___lambda__1___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isInductive___at_Lean_Elab_Deriving_Repr_mkReprInstanceHandler___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_Repr_mkReprHeader___closed__11;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_Repr_mkBodyForInduct_mkAlts___spec__2___closed__5;
@@ -7465,7 +7465,7 @@ lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint
 x_52 = lean_ctor_get(x_46, 1);
 lean_inc(x_52);
 lean_dec(x_46);
-x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_28, x_2, x_3, x_4, x_5, x_6, x_7, x_52);
 x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
@@ -7515,7 +7515,7 @@ x_38 = l___private_Lean_Elab_Deriving_Repr_0__Lean_Elab_Deriving_Repr_mkReprInst
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_28, x_39, x_2, x_3, x_4, x_5, x_6, x_7, x_30);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
diff --git a/stage0/stdlib/Lean/Elab/Deriving/Util.c b/stage0/stdlib/Lean/Elab/Deriving/Util.c
index 2912323a88..28d1d311e6 100644
--- a/stage0/stdlib/Lean/Elab/Deriving/Util.c
+++ b/stage0/stdlib/Lean/Elab/Deriving/Util.c
@@ -19,6 +19,7 @@ static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkImplicitBin
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___closed__1;
 size_t lean_usize_add(size_t, size_t);
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__12;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -137,7 +138,6 @@ static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__7;
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkContext(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_mkInductArgNames___closed__1;
 size_t lean_usize_of_nat(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstanceLetDecls___spec__1___closed__12;
 LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkInstanceCmds___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkHeader___spec__1___closed__2;
@@ -145,7 +145,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Deriving_mkHeader(lean_object*, lean_object
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstanceLetDecls___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkHeader___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkHeader___spec__2___closed__1;
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkInstanceCmds___spec__1___lambda__1___closed__7;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkDiscrs___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -181,6 +180,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkLocalInstan
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Deriving_mkHeader___spec__1___closed__1;
 lean_object* lean_mk_syntax_ident(lean_object*);
 extern lean_object* l_Lean_instInhabitedInductiveVal;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Deriving_mkInductiveApp___closed__13;
 static lean_object* l_Lean_Elab_Deriving_implicitBinderF___closed__1;
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Deriving_mkImplicitBinders___spec__1___closed__4;
@@ -1882,7 +1882,7 @@ lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint
 x_44 = lean_ctor_get(x_38, 1);
 lean_inc(x_44);
 lean_dec(x_38);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_3, x_4, x_5, x_6, x_7, x_8, x_44);
+x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_21, x_3, x_4, x_5, x_6, x_7, x_8, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -1926,7 +1926,7 @@ lean_ctor_set(x_31, 1, x_29);
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_31);
 lean_ctor_set(x_32, 1, x_30);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_32, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
+x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_32, x_3, x_4, x_5, x_6, x_7, x_8, x_23);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
diff --git a/stage0/stdlib/Lean/Elab/Do.c b/stage0/stdlib/Lean/Elab/Do.c
index 1496e01868..68f09c13e8 100644
--- a/stage0/stdlib/Lean/Elab/Do.c
+++ b/stage0/stdlib/Lean/Elab/Do.c
@@ -52,6 +52,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_expandTermFor___closed__2;
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandTermUnless___closed__1;
 static lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_extractBind___lambda__1___closed__2;
 static lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_Do_ToCodeBlock_doTryToCode___spec__10___closed__10;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__10;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_checkNotShadowingMutable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_mkSimpleJmp___closed__8;
@@ -68,6 +69,7 @@ lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToTerm_Kind_toCtorIdx(uint8_t);
 static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__8;
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_actionTerminalToTerm___closed__5;
+static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34;
 static lean_object* l_Lean_Elab_Term_Do_mkAuxDeclFor___rarg___lambda__4___closed__10;
 LEAN_EXPORT lean_object* l_Std_RBNode_del___at_Lean_Elab_Term_Do_eraseVars___spec__2(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_actionTerminalToTerm___closed__13;
@@ -211,6 +213,7 @@ static lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodForbidd
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_ToCodeBlock_expandLiftMethodAux___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_seqToTerm___closed__6;
+static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__36;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_Do_ToTerm_mkJoinPoint___spec__1(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeqElems___closed__8;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_expandDoIf_x3f___spec__6___lambda__1___closed__11;
@@ -349,6 +352,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_Do_elabDo___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_mkFreshJP___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_expandLiftMethod(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkIdentFromRef___at_Lean_Elab_Term_Do_ToTerm_mkJoinPoint___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_Do_ToCodeBlock_doIfToCode___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_mkAuxDeclFor___rarg___lambda__7___closed__6;
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_Do_ToCodeBlock_doTryToCode___spec__3___closed__4;
@@ -799,7 +803,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_CodeBlock_uvars___default;
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandTermTry_declRange___closed__4;
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_reassignToTerm___closed__1;
 static lean_object* l_Lean_addTrace___at_Lean_Elab_Term_Do_mkJmp___spec__3___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_Do_ToCodeBlock_doTryToCode___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_getDoLetArrowVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -861,7 +864,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_toDoElem(lea
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_ToCodeBlock_expandLiftMethodAux___spec__5(size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_pullExitPointsAux___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_breakToTerm___closed__15;
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30645_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30724_(lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_pullExitPointsAux___lambda__1___closed__9;
 static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__3;
 static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doReassignArrowToCode___closed__3;
@@ -898,7 +901,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_getDoPatDeclVars(lean_object*, lean
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__15;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_Do_eraseVars___spec__3(lean_object*, size_t, size_t, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_elabDo___closed__2;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_mkJoinPoint___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeq(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_mkIte(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1038,6 +1040,7 @@ static lean_object* l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__2
 static lean_object* l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___closed__5;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_Do_getLetDeclVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_Do_ToCodeBlock_checkNotShadowingMutable___spec__1___closed__4;
+static lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33;
 static lean_object* l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__9;
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandTermReturn___closed__1;
 LEAN_EXPORT lean_object* l_Std_RBNode_find___at_Lean_Elab_Term_Do_extendUpdatedVarsAux_update___spec__1___boxed(lean_object*, lean_object*);
@@ -1204,6 +1207,7 @@ LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at_Lean_Elab_Term_Do
 LEAN_EXPORT lean_object* l_Std_RBNode_erase___at_Lean_Elab_Term_Do_eraseVars___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_checkReassignable___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_expandTermReturn_declRange___closed__7;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_Do_ToCodeBlock_doTryToCode___spec__3___closed__8;
@@ -38001,26 +38005,52 @@ static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("toStream", 8);
+x_1 = lean_mk_string_from_bytes("explicit", 8);
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__1;
-x_2 = lean_string_utf8_byte_size(x_1);
-return x_2;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeqElems___closed__6;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__3() {
 _start:
 {
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("@", 1);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("toStream", 8);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4;
+x_2 = lean_string_utf8_byte_size(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__6() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__1;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4;
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__2;
+x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__5;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -38028,40 +38058,12 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__5() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("ToStream", 8);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__6() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__5;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__6;
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__1;
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -38069,13 +38071,9 @@ return x_3;
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__8() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__7;
-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_2);
-lean_ctor_set(x_3, 1, x_1);
-return x_3;
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("ToStream", 8);
+return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__9() {
@@ -38084,13 +38082,45 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__8;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__10() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__9;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__4;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__10;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set(x_3, 1, x_1);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__12() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__10() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__13() {
 _start:
 {
 lean_object* x_1; 
@@ -38098,7 +38128,7 @@ x_1 = lean_mk_string_from_bytes("mut", 3);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__14() {
 _start:
 {
 lean_object* x_1; 
@@ -38106,22 +38136,22 @@ x_1 = lean_mk_string_from_bytes("s", 1);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__12() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__15() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__14;
 x_2 = lean_string_utf8_byte_size(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__13() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__16() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__14;
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__12;
+x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__15;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -38129,41 +38159,13 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__14() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__11;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__15() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("for", 3);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__16() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes(",", 1);
-return x_1;
-}
-}
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__17() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(2);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__16;
-x_3 = lean_alloc_ctor(2, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__14;
+x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
@@ -38171,26 +38173,54 @@ static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Stream.next?", 12);
+x_1 = lean_mk_string_from_bytes("for", 3);
 return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__19() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__18;
-x_2 = lean_string_utf8_byte_size(x_1);
-return x_2;
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(",", 1);
+return x_1;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__20() {
 _start:
 {
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(2);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__19;
+x_3 = lean_alloc_ctor(2, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__21() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Stream.next?", 12);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__22() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__21;
+x_2 = lean_string_utf8_byte_size(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__23() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__18;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__21;
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-x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__19;
+x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__22;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -38198,7 +38228,7 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__21() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__24() {
 _start:
 {
 lean_object* x_1; 
@@ -38206,59 +38236,69 @@ x_1 = lean_mk_string_from_bytes("Stream", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__22() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__21;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__23() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("next?", 5);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__24() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__22;
-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__23;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__25() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_2);
-lean_ctor_set(x_3, 1, x_1);
+x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
 static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__26() {
 _start:
 {
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("next?", 5);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__27() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__25;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__26;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__28() {
+_start:
+{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__25;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__27;
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_2);
+lean_ctor_set(x_3, 1, x_1);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__29() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__28;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__27() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__30() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_Do_pullExitPointsAux___lambda__1___closed__12;
+x_2 = l_Lean_Elab_Term_Do_mkAuxDeclFor___rarg___lambda__4___closed__3;
+x_3 = lean_array_push(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31() {
 _start:
 {
 lean_object* x_1; 
@@ -38266,17 +38306,17 @@ x_1 = lean_mk_string_from_bytes("tupleTail", 9);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__28() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__27;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__29() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33() {
 _start:
 {
 lean_object* x_1; 
@@ -38284,22 +38324,22 @@ x_1 = lean_mk_string_from_bytes("s'", 2);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__30() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__29;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33;
 x_2 = lean_string_utf8_byte_size(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__29;
+x_1 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33;
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__30;
+x_3 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -38307,12 +38347,12 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32() {
+static lean_object* _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__36() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__29;
+x_2 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -38320,7 +38360,7 @@ return x_3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
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 lean_dec(x_7);
-x_99 = l_Lean_Elab_Term_Do_instInhabitedAlt___rarg___closed__1;
-x_100 = l_Array_append___rarg(x_99, x_98);
-x_101 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_101, 2, x_100);
-x_102 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_expandDoIf_x3f___spec__6___lambda__1___closed__16;
-lean_inc(x_42);
-x_103 = lean_alloc_ctor(2, 2, 0);
-lean_ctor_set(x_103, 0, x_42);
-lean_ctor_set(x_103, 1, x_102);
-x_104 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__24;
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+lean_inc(x_67);
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+lean_ctor_set(x_118, 0, x_67);
+lean_ctor_set(x_118, 1, x_117);
+lean_inc(x_67);
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+lean_ctor_set(x_119, 0, x_67);
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 lean_inc(x_24);
-lean_inc(x_48);
-x_105 = l_Lean_addMacroScope(x_48, x_104, x_24);
-x_106 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__20;
-x_107 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__26;
-lean_inc(x_42);
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-lean_ctor_set(x_108, 0, x_42);
-lean_ctor_set(x_108, 1, x_106);
-lean_ctor_set(x_108, 2, x_105);
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-x_109 = lean_array_push(x_55, x_63);
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-x_111 = lean_array_push(x_68, x_108);
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-x_116 = l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__9;
-x_117 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_117, 1, x_116);
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-lean_inc(x_42);
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-x_122 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_expandDoIf_x3f___spec__6___lambda__1___closed__12;
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-lean_ctor_set(x_123, 0, x_42);
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-lean_inc(x_24);
-lean_inc(x_48);
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-x_127 = l_Lean_Elab_Term_Do_ToTerm_continueToTerm___closed__16;
-lean_inc(x_42);
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-lean_ctor_set(x_128, 3, x_127);
-x_129 = lean_array_push(x_55, x_128);
+lean_inc(x_73);
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+lean_inc(x_67);
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 x_130 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_130, 1, x_58);
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 lean_ctor_set(x_130, 2, x_129);
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 x_131 = lean_array_push(x_55, x_130);
-x_132 = lean_alloc_ctor(1, 3, 0);
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-lean_inc(x_42);
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-x_139 = lean_alloc_ctor(1, 3, 0);
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-x_140 = lean_array_push(x_68, x_139);
-x_141 = lean_array_push(x_140, x_75);
+lean_inc(x_130);
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 x_142 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_142, 1, x_93);
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-x_143 = lean_array_push(x_55, x_142);
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 x_144 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_144, 0, x_57);
-lean_ctor_set(x_144, 1, x_58);
+lean_ctor_set(x_144, 0, x_46);
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 lean_ctor_set(x_144, 2, x_143);
-x_145 = lean_array_push(x_55, x_144);
-x_146 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeqElems___closed__10;
-x_147 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_147, 1, x_146);
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-x_148 = l_Lean_Elab_Term_Do_mkAuxDeclFor___rarg___lambda__4___closed__9;
-x_149 = lean_array_push(x_148, x_123);
-lean_inc(x_149);
-x_150 = lean_array_push(x_149, x_132);
-lean_inc(x_134);
-x_151 = lean_array_push(x_150, x_134);
-x_152 = lean_array_push(x_151, x_147);
-x_153 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_Do_ToTerm_toTerm___spec__1___closed__1;
-x_154 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_154, 0, x_57);
-lean_ctor_set(x_154, 1, x_153);
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-x_155 = l_Lean_Elab_Term_Do_ToTerm_returnToTerm___closed__15;
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+lean_inc(x_67);
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+lean_ctor_set(x_146, 0, x_67);
+lean_ctor_set(x_146, 1, x_145);
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+lean_inc(x_67);
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+lean_ctor_set(x_148, 0, x_67);
+lean_ctor_set(x_148, 1, x_147);
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 lean_inc(x_24);
-lean_inc(x_48);
-x_156 = l_Lean_addMacroScope(x_48, x_155, x_24);
-x_157 = l_Lean_Elab_Term_Do_ToTerm_returnToTerm___closed__14;
-x_158 = l_Lean_Elab_Term_Do_ToTerm_returnToTerm___closed__20;
-lean_inc(x_42);
-x_159 = lean_alloc_ctor(3, 4, 0);
-lean_ctor_set(x_159, 0, x_42);
-lean_ctor_set(x_159, 1, x_157);
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-x_160 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_mkUnit___closed__3;
-lean_inc(x_42);
+lean_inc(x_73);
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+lean_inc(x_67);
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+lean_ctor_set(x_153, 1, x_151);
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+lean_inc(x_67);
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+lean_ctor_set(x_159, 1, x_158);
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+lean_inc(x_67);
 x_161 = lean_alloc_ctor(2, 2, 0);
-lean_ctor_set(x_161, 0, x_42);
+lean_ctor_set(x_161, 0, x_67);
 lean_ctor_set(x_161, 1, x_160);
-x_162 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__16;
-lean_inc(x_42);
-x_163 = lean_alloc_ctor(2, 2, 0);
-lean_ctor_set(x_163, 0, x_42);
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-x_164 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32;
-x_165 = l_Lean_addMacroScope(x_48, x_164, x_24);
-x_166 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31;
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-lean_ctor_set(x_167, 0, x_42);
-lean_ctor_set(x_167, 1, x_166);
-lean_ctor_set(x_167, 2, x_165);
-lean_ctor_set(x_167, 3, x_37);
-lean_inc(x_167);
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 x_169 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_169, 0, x_57);
-lean_ctor_set(x_169, 1, x_58);
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 lean_ctor_set(x_169, 2, x_168);
-x_170 = lean_array_push(x_68, x_163);
-x_171 = lean_array_push(x_170, x_169);
-x_172 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__28;
-x_173 = lean_alloc_ctor(1, 3, 0);
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 x_178 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_178, 0, x_57);
-lean_ctor_set(x_178, 1, x_58);
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-x_179 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_mkUnit___closed__17;
-x_180 = lean_alloc_ctor(2, 2, 0);
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-lean_ctor_set(x_180, 1, x_179);
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-x_185 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_185, 0, x_57);
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+lean_inc(x_24);
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+lean_inc(x_67);
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+lean_inc(x_67);
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+lean_ctor_set(x_185, 0, x_67);
 lean_ctor_set(x_185, 1, x_184);
-lean_ctor_set(x_185, 2, x_183);
-x_186 = lean_array_push(x_55, x_185);
-x_187 = lean_alloc_ctor(1, 3, 0);
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-lean_ctor_set(x_187, 1, x_58);
-lean_ctor_set(x_187, 2, x_186);
-x_188 = lean_array_push(x_68, x_159);
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-lean_ctor_set(x_196, 1, x_80);
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-x_197 = lean_array_push(x_55, x_196);
-x_198 = l_Lean_Elab_Term_Do_ToTerm_reassignToTerm___closed__2;
+x_186 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__19;
+lean_inc(x_67);
+x_187 = lean_alloc_ctor(2, 2, 0);
+lean_ctor_set(x_187, 0, x_67);
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+x_190 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35;
+lean_inc(x_67);
+x_191 = lean_alloc_ctor(3, 4, 0);
+lean_ctor_set(x_191, 0, x_67);
+lean_ctor_set(x_191, 1, x_190);
+lean_ctor_set(x_191, 2, x_189);
+lean_ctor_set(x_191, 3, x_39);
+lean_inc(x_191);
+x_192 = lean_array_push(x_51, x_191);
+x_193 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_193, 0, x_46);
+lean_ctor_set(x_193, 1, x_60);
+lean_ctor_set(x_193, 2, x_192);
+x_194 = lean_array_push(x_43, x_187);
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+x_196 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32;
+x_197 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_197, 0, x_46);
+lean_ctor_set(x_197, 1, x_196);
+lean_ctor_set(x_197, 2, x_195);
+x_198 = lean_array_push(x_51, x_197);
 x_199 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_199, 0, x_57);
-lean_ctor_set(x_199, 1, x_198);
-lean_ctor_set(x_199, 2, x_197);
-x_200 = lean_array_push(x_68, x_199);
-x_201 = lean_array_push(x_200, x_75);
+lean_ctor_set(x_199, 0, x_46);
+lean_ctor_set(x_199, 1, x_60);
+lean_ctor_set(x_199, 2, x_198);
+x_200 = lean_array_push(x_43, x_8);
+x_201 = lean_array_push(x_200, x_199);
 x_202 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_202, 0, x_57);
-lean_ctor_set(x_202, 1, x_93);
+lean_ctor_set(x_202, 0, x_46);
+lean_ctor_set(x_202, 1, x_60);
 lean_ctor_set(x_202, 2, x_201);
-lean_inc(x_50);
-x_203 = lean_array_push(x_68, x_50);
-lean_inc(x_203);
-x_204 = lean_array_push(x_203, x_9);
-x_205 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__12;
-x_206 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_206, 0, x_57);
-lean_ctor_set(x_206, 1, x_205);
-lean_ctor_set(x_206, 2, x_204);
-x_207 = lean_array_push(x_68, x_206);
-x_208 = lean_array_push(x_207, x_75);
+x_203 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_mkUnit___closed__17;
+x_204 = lean_alloc_ctor(2, 2, 0);
+lean_ctor_set(x_204, 0, x_67);
+lean_ctor_set(x_204, 1, x_203);
+x_205 = lean_array_push(x_100, x_185);
+x_206 = lean_array_push(x_205, x_202);
+x_207 = lean_array_push(x_206, x_204);
+x_208 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_mkUnit___closed__2;
 x_209 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_209, 0, x_57);
-lean_ctor_set(x_209, 1, x_93);
-lean_ctor_set(x_209, 2, x_208);
-x_210 = lean_array_push(x_68, x_202);
-x_211 = lean_array_push(x_210, x_209);
-x_212 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_212, 0, x_57);
-lean_ctor_set(x_212, 1, x_58);
-lean_ctor_set(x_212, 2, x_211);
-x_213 = lean_array_push(x_55, x_212);
+lean_ctor_set(x_209, 0, x_46);
+lean_ctor_set(x_209, 1, x_208);
+lean_ctor_set(x_209, 2, x_207);
+x_210 = lean_array_push(x_51, x_209);
+x_211 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_211, 0, x_46);
+lean_ctor_set(x_211, 1, x_60);
+lean_ctor_set(x_211, 2, x_210);
+x_212 = lean_array_push(x_43, x_183);
+x_213 = lean_array_push(x_212, x_211);
 x_214 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_214, 0, x_57);
-lean_ctor_set(x_214, 1, x_146);
+lean_ctor_set(x_214, 0, x_46);
+lean_ctor_set(x_214, 1, x_64);
 lean_ctor_set(x_214, 2, x_213);
-x_215 = lean_array_push(x_149, x_194);
-x_216 = lean_array_push(x_215, x_134);
-x_217 = lean_array_push(x_216, x_214);
+x_215 = lean_array_push(x_51, x_214);
+x_216 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_216, 0, x_46);
+lean_ctor_set(x_216, 1, x_60);
+lean_ctor_set(x_216, 2, x_215);
+x_217 = lean_array_push(x_51, x_216);
 x_218 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_218, 0, x_57);
-lean_ctor_set(x_218, 1, x_153);
+lean_ctor_set(x_218, 0, x_46);
+lean_ctor_set(x_218, 1, x_60);
 lean_ctor_set(x_218, 2, x_217);
-x_219 = lean_array_push(x_68, x_154);
-x_220 = lean_array_push(x_219, x_218);
-x_221 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_221, 0, x_57);
-lean_ctor_set(x_221, 1, x_58);
-lean_ctor_set(x_221, 2, x_220);
-x_222 = lean_array_push(x_55, x_221);
-x_223 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodForbiddenBinder___closed__4;
-x_224 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_224, 0, x_57);
-lean_ctor_set(x_224, 1, x_223);
-lean_ctor_set(x_224, 2, x_222);
-x_225 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_expandDoIf_x3f___spec__6___lambda__1___closed__4;
-x_226 = lean_array_push(x_225, x_103);
-x_227 = lean_array_push(x_226, x_75);
-x_228 = lean_array_push(x_227, x_75);
-x_229 = lean_array_push(x_228, x_119);
-x_230 = lean_array_push(x_229, x_121);
-x_231 = lean_array_push(x_230, x_224);
-x_232 = l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__8;
+x_219 = lean_array_push(x_93, x_191);
+x_220 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_220, 0, x_46);
+lean_ctor_set(x_220, 1, x_95);
+lean_ctor_set(x_220, 2, x_219);
+x_221 = lean_array_push(x_51, x_220);
+x_222 = l_Lean_Elab_Term_Do_ToTerm_reassignToTerm___closed__2;
+x_223 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_223, 0, x_46);
+lean_ctor_set(x_223, 1, x_222);
+lean_ctor_set(x_223, 2, x_221);
+x_224 = lean_array_push(x_43, x_223);
+x_225 = lean_array_push(x_224, x_90);
+x_226 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_226, 0, x_46);
+lean_ctor_set(x_226, 1, x_108);
+lean_ctor_set(x_226, 2, x_225);
+lean_inc(x_75);
+x_227 = lean_array_push(x_43, x_75);
+lean_inc(x_227);
+x_228 = lean_array_push(x_227, x_9);
+x_229 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__12;
+x_230 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_230, 0, x_46);
+lean_ctor_set(x_230, 1, x_229);
+lean_ctor_set(x_230, 2, x_228);
+x_231 = lean_array_push(x_43, x_230);
+x_232 = lean_array_push(x_231, x_90);
 x_233 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_233, 0, x_57);
-lean_ctor_set(x_233, 1, x_232);
-lean_ctor_set(x_233, 2, x_231);
-x_234 = lean_array_push(x_68, x_233);
-x_235 = lean_array_push(x_234, x_75);
+lean_ctor_set(x_233, 0, x_46);
+lean_ctor_set(x_233, 1, x_108);
+lean_ctor_set(x_233, 2, x_232);
+x_234 = lean_array_push(x_43, x_226);
+x_235 = lean_array_push(x_234, x_233);
 x_236 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_236, 0, x_57);
-lean_ctor_set(x_236, 1, x_93);
+lean_ctor_set(x_236, 0, x_46);
+lean_ctor_set(x_236, 1, x_60);
 lean_ctor_set(x_236, 2, x_235);
-x_237 = lean_array_push(x_55, x_236);
+x_237 = lean_array_push(x_51, x_236);
 x_238 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_238, 0, x_57);
-lean_ctor_set(x_238, 1, x_58);
+lean_ctor_set(x_238, 0, x_46);
+lean_ctor_set(x_238, 1, x_171);
 lean_ctor_set(x_238, 2, x_237);
-x_239 = lean_array_push(x_55, x_238);
-x_240 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_240, 0, x_57);
-lean_ctor_set(x_240, 1, x_146);
-lean_ctor_set(x_240, 2, x_239);
-x_241 = lean_array_push(x_148, x_96);
-x_242 = lean_array_push(x_241, x_101);
-x_243 = lean_array_push(x_242, x_50);
-x_244 = lean_array_push(x_243, x_240);
-x_245 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__8;
-x_246 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_246, 0, x_57);
-lean_ctor_set(x_246, 1, x_245);
-lean_ctor_set(x_246, 2, x_244);
-x_247 = lean_array_push(x_68, x_246);
-x_248 = lean_array_push(x_247, x_75);
-x_249 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_249, 0, x_57);
-lean_ctor_set(x_249, 1, x_93);
-lean_ctor_set(x_249, 2, x_248);
-x_250 = lean_array_push(x_68, x_94);
-x_251 = lean_array_push(x_250, x_249);
-x_252 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_252, 0, x_57);
-lean_ctor_set(x_252, 1, x_58);
-lean_ctor_set(x_252, 2, x_251);
-x_253 = lean_array_push(x_55, x_252);
-x_254 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_254, 0, x_57);
-lean_ctor_set(x_254, 1, x_146);
-lean_ctor_set(x_254, 2, x_253);
-x_255 = lean_array_push(x_203, x_254);
-x_256 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodDelimiter___closed__2;
+x_239 = lean_array_push(x_173, x_218);
+x_240 = lean_array_push(x_239, x_159);
+x_241 = lean_array_push(x_240, x_238);
+x_242 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_242, 0, x_46);
+lean_ctor_set(x_242, 1, x_177);
+lean_ctor_set(x_242, 2, x_241);
+x_243 = lean_array_push(x_43, x_178);
+x_244 = lean_array_push(x_243, x_242);
+x_245 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_245, 0, x_46);
+lean_ctor_set(x_245, 1, x_60);
+lean_ctor_set(x_245, 2, x_244);
+x_246 = lean_array_push(x_51, x_245);
+x_247 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodForbiddenBinder___closed__4;
+x_248 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_248, 0, x_46);
+lean_ctor_set(x_248, 1, x_247);
+lean_ctor_set(x_248, 2, x_246);
+x_249 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Do_0__Lean_Elab_Term_Do_expandDoIf_x3f___spec__6___lambda__1___closed__4;
+x_250 = lean_array_push(x_249, x_118);
+x_251 = lean_array_push(x_250, x_90);
+x_252 = lean_array_push(x_251, x_90);
+x_253 = lean_array_push(x_252, x_144);
+x_254 = lean_array_push(x_253, x_146);
+x_255 = lean_array_push(x_254, x_248);
+x_256 = l_Lean_Elab_Term_Do_ToTerm_matchNestedTermResult___closed__8;
 x_257 = lean_alloc_ctor(1, 3, 0);
-lean_ctor_set(x_257, 0, x_57);
+lean_ctor_set(x_257, 0, x_46);
 lean_ctor_set(x_257, 1, x_256);
 lean_ctor_set(x_257, 2, x_255);
-x_258 = lean_unsigned_to_nat(1u);
-x_259 = l_Lean_Syntax_getArg(x_257, x_258);
-lean_dec(x_257);
-x_260 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeqElems(x_259);
-x_261 = l_List_appendTR___rarg(x_260, x_10);
-x_262 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode(x_261, x_2, x_3, x_4, x_5, x_6, x_11, x_12, x_46);
-return x_262;
+x_258 = lean_array_push(x_43, x_257);
+x_259 = lean_array_push(x_258, x_90);
+x_260 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_260, 0, x_46);
+lean_ctor_set(x_260, 1, x_108);
+lean_ctor_set(x_260, 2, x_259);
+x_261 = lean_array_push(x_51, x_260);
+x_262 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_262, 0, x_46);
+lean_ctor_set(x_262, 1, x_60);
+lean_ctor_set(x_262, 2, x_261);
+x_263 = lean_array_push(x_51, x_262);
+x_264 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_264, 0, x_46);
+lean_ctor_set(x_264, 1, x_171);
+lean_ctor_set(x_264, 2, x_263);
+x_265 = lean_array_push(x_55, x_111);
+x_266 = lean_array_push(x_265, x_116);
+x_267 = lean_array_push(x_266, x_75);
+x_268 = lean_array_push(x_267, x_264);
+x_269 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode___closed__8;
+x_270 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_270, 0, x_46);
+lean_ctor_set(x_270, 1, x_269);
+lean_ctor_set(x_270, 2, x_268);
+x_271 = lean_array_push(x_43, x_270);
+x_272 = lean_array_push(x_271, x_90);
+x_273 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_273, 0, x_46);
+lean_ctor_set(x_273, 1, x_108);
+lean_ctor_set(x_273, 2, x_272);
+x_274 = lean_array_push(x_43, x_109);
+x_275 = lean_array_push(x_274, x_273);
+x_276 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_276, 0, x_46);
+lean_ctor_set(x_276, 1, x_60);
+lean_ctor_set(x_276, 2, x_275);
+x_277 = lean_array_push(x_51, x_276);
+x_278 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_278, 0, x_46);
+lean_ctor_set(x_278, 1, x_171);
+lean_ctor_set(x_278, 2, x_277);
+x_279 = lean_array_push(x_227, x_278);
+x_280 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodDelimiter___closed__2;
+x_281 = lean_alloc_ctor(1, 3, 0);
+lean_ctor_set(x_281, 0, x_46);
+lean_ctor_set(x_281, 1, x_280);
+lean_ctor_set(x_281, 2, x_279);
+x_282 = lean_unsigned_to_nat(1u);
+x_283 = l_Lean_Syntax_getArg(x_281, x_282);
+lean_dec(x_281);
+x_284 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_getDoSeqElems(x_283);
+x_285 = l_List_appendTR___rarg(x_284, x_10);
+x_286 = l_Lean_Elab_Term_Do_ToCodeBlock_doSeqToCode(x_285, x_2, x_3, x_4, x_5, x_6, x_11, x_12, x_71);
+return x_286;
 }
 }
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
@@ -41957,7 +42049,7 @@ lean_ctor_set(x_63, 2, x_62);
 x_64 = l___private_Lean_Elab_Do_0__Lean_Elab_Term_liftMethodForbiddenBinder___closed__11;
 lean_inc(x_6);
 x_65 = lean_name_mk_string(x_6, x_64);
-x_66 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__10;
+x_66 = l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__13;
 lean_inc(x_15);
 x_67 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_67, 0, x_15);
@@ -43029,7 +43121,7 @@ lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint
 x_47 = lean_ctor_get(x_41, 1);
 lean_inc(x_47);
 lean_dec(x_41);
-x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_47);
+x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_47);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
@@ -43057,7 +43149,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean
 lean_inc(x_28);
 x_35 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_35, 0, x_28);
-x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_30, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_32);
+x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_30, x_35, x_3, x_4, x_5, x_6, x_7, x_8, x_32);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -43251,7 +43343,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1598u);
+x_1 = lean_unsigned_to_nat(1600u);
 x_2 = lean_unsigned_to_nat(24u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43263,7 +43355,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1605u);
+x_1 = lean_unsigned_to_nat(1607u);
 x_2 = lean_unsigned_to_nat(84u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43291,7 +43383,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1598u);
+x_1 = lean_unsigned_to_nat(1600u);
 x_2 = lean_unsigned_to_nat(28u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43303,7 +43395,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___cl
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1598u);
+x_1 = lean_unsigned_to_nat(1600u);
 x_2 = lean_unsigned_to_nat(34u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43349,7 +43441,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30645_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30724_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -43505,7 +43597,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermFor_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1616u);
+x_1 = lean_unsigned_to_nat(1618u);
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43517,7 +43609,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermFor_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1616u);
+x_1 = lean_unsigned_to_nat(1618u);
 x_2 = lean_unsigned_to_nat(62u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43545,7 +43637,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermFor_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1616u);
+x_1 = lean_unsigned_to_nat(1618u);
 x_2 = lean_unsigned_to_nat(4u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43557,7 +43649,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermFor_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1616u);
+x_1 = lean_unsigned_to_nat(1618u);
 x_2 = lean_unsigned_to_nat(17u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43663,7 +43755,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermTry_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1619u);
+x_1 = lean_unsigned_to_nat(1621u);
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43675,7 +43767,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermTry_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1619u);
+x_1 = lean_unsigned_to_nat(1621u);
 x_2 = lean_unsigned_to_nat(62u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43703,7 +43795,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermTry_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1619u);
+x_1 = lean_unsigned_to_nat(1621u);
 x_2 = lean_unsigned_to_nat(4u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43715,7 +43807,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermTry_declRange_
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1619u);
+x_1 = lean_unsigned_to_nat(1621u);
 x_2 = lean_unsigned_to_nat(17u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43821,7 +43913,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermUnless_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1622u);
+x_1 = lean_unsigned_to_nat(1624u);
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43833,7 +43925,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermUnless_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1622u);
+x_1 = lean_unsigned_to_nat(1624u);
 x_2 = lean_unsigned_to_nat(68u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43861,7 +43953,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermUnless_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1622u);
+x_1 = lean_unsigned_to_nat(1624u);
 x_2 = lean_unsigned_to_nat(4u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43873,7 +43965,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermUnless_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1622u);
+x_1 = lean_unsigned_to_nat(1624u);
 x_2 = lean_unsigned_to_nat(20u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43979,7 +44071,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermReturn_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1625u);
+x_1 = lean_unsigned_to_nat(1627u);
 x_2 = lean_unsigned_to_nat(0u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -43991,7 +44083,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermReturn_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1625u);
+x_1 = lean_unsigned_to_nat(1627u);
 x_2 = lean_unsigned_to_nat(68u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -44019,7 +44111,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermReturn_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1625u);
+x_1 = lean_unsigned_to_nat(1627u);
 x_2 = lean_unsigned_to_nat(4u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -44031,7 +44123,7 @@ static lean_object* _init_l___regBuiltin_Lean_Elab_Term_expandTermReturn_declRan
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_unsigned_to_nat(1625u);
+x_1 = lean_unsigned_to_nat(1627u);
 x_2 = lean_unsigned_to_nat(20u);
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -45296,6 +45388,14 @@ l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31 = _init_l_L
 lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__31);
 l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32();
 lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__32);
+l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33();
+lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__33);
+l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34();
+lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__34);
+l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35();
+lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__35);
+l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__36 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__36();
+lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___lambda__3___closed__36);
 l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___closed__1 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___closed__1);
 l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___closed__2 = _init_l_Lean_Elab_Term_Do_ToCodeBlock_doForToCode___closed__2();
@@ -45364,7 +45464,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange___closed_
 res = l___regBuiltin_Lean_Elab_Term_Do_elabDo_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30645_(lean_io_mk_world());
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Do___hyg_30724_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l___regBuiltin_Lean_Elab_Term_expandTermFor___closed__1 = _init_l___regBuiltin_Lean_Elab_Term_expandTermFor___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/Extra.c b/stage0/stdlib/Lean/Elab/Extra.c
index 474569623b..dcde1401e8 100644
--- a/stage0/stdlib/Lean/Elab/Extra.c
+++ b/stage0/stdlib/Lean/Elab/Extra.c
@@ -28,6 +28,7 @@ static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_elabBinRelCore(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__8;
 static lean_object* l_Lean_Elab_Term_elabForIn___lambda__1___closed__1;
 lean_object* l_Lean_Meta_mkFreshLevelMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -220,7 +221,7 @@ static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_elabBinCalc(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3___closed__2;
-lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_elabAppArgs(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_relation_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__4;
 static lean_object* l_Lean_Elab_Term_BinOp_elabBinOp___closed__20;
@@ -275,7 +276,7 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinRelNoProp_declRan
 static lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_toExpr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withNewMCtxDepth___at___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_go___spec__2(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabForIn_x27___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_throwForInFailure___closed__2;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_isUnknow(lean_object*);
@@ -288,7 +289,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinOpLazy_declRange_
 size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
 LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn_x27___closed__7;
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabForIn___closed__7;
@@ -327,7 +327,6 @@ static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc___closed__3;
 lean_object* l_Lean_Meta_trySynthInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at_Lean_Elab_Term_BinOp_elabBinCalc___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_analyze_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_elabForIn___closed__29;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Extra_0__Lean_Elab_Term_BinOp_applyCoe_go___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -441,6 +440,7 @@ lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinRel_declRange___closed__2;
 static lean_object* l_Lean_Elab_Term_BinOp_elabDefaultOrNonempty___closed__2;
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinOp_declRange___closed__1;
 static lean_object* l___regBuiltin_Lean_Elab_Term_BinOp_elabBinCalc_declRange___closed__7;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -851,7 +851,7 @@ x_29 = lean_array_push(x_28, x_25);
 x_30 = lean_array_push(x_29, x_26);
 x_31 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_32 = 0;
-x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
 return x_33;
 }
 else
@@ -2271,7 +2271,7 @@ x_29 = lean_array_push(x_28, x_25);
 x_30 = lean_array_push(x_29, x_26);
 x_31 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_32 = 0;
-x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
+x_33 = l_Lean_Elab_Term_elabAppArgs(x_22, x_31, x_30, x_4, x_32, x_32, x_32, x_6, x_7, x_8, x_9, x_10, x_11, x_23);
 return x_33;
 }
 else
@@ -7340,7 +7340,7 @@ x_15 = lean_array_push(x_14, x_12);
 x_16 = lean_box(0);
 x_17 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_18 = 0;
-x_19 = l_Lean_Elab_Term_elabAppArgs(x_1, x_17, x_15, x_16, x_18, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+x_19 = l_Lean_Elab_Term_elabAppArgs(x_1, x_17, x_15, x_16, x_18, x_18, x_18, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
 return x_19;
 }
 }
@@ -8620,7 +8620,7 @@ x_47 = lean_ctor_get(x_41, 1);
 lean_inc(x_47);
 lean_dec(x_41);
 lean_inc(x_5);
-x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_47);
+x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_8, x_9, x_10, x_11, x_12, x_13, x_47);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
@@ -8676,7 +8676,7 @@ x_34 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_35 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_35, 0, x_33);
 lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_5, x_35, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
+x_36 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_35, x_8, x_9, x_10, x_11, x_12, x_13, x_20);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -8941,7 +8941,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_20, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8996,7 +8996,7 @@ x_36 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_20, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_20, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_22);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -9492,7 +9492,7 @@ x_51 = lean_ctor_get(x_45, 1);
 lean_inc(x_51);
 lean_dec(x_45);
 lean_inc(x_4);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_4, x_6, x_7, x_8, x_9, x_10, x_11, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -9528,7 +9528,7 @@ x_38 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_32);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_10, x_11, x_32);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -9935,7 +9935,7 @@ lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint
 x_61 = lean_ctor_get(x_55, 1);
 lean_inc(x_61);
 lean_dec(x_55);
-x_62 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_61);
+x_62 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_16, x_3, x_4, x_5, x_6, x_7, x_8, x_61);
 x_63 = lean_ctor_get(x_62, 0);
 lean_inc(x_63);
 x_64 = lean_ctor_get(x_62, 1);
@@ -9969,7 +9969,7 @@ if (lean_obj_tag(x_22) == 0)
 {
 lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
 x_23 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__14;
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_23, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -9994,7 +9994,7 @@ x_32 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_33, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -10013,7 +10013,7 @@ if (lean_obj_tag(x_38) == 0)
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
 x_39 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__21;
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -10038,7 +10038,7 @@ x_48 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_49 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_49, 0, x_47);
 lean_ctor_set(x_49, 1, x_48);
-x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_49, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
+x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_49, x_3, x_4, x_5, x_6, x_7, x_8, x_18);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -10874,7 +10874,7 @@ x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
 lean_inc(x_2);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_2, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -10922,7 +10922,7 @@ x_25 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_24);
 lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_2, x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_2, x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -11247,7 +11247,7 @@ x_41 = lean_array_push(x_40, x_38);
 x_42 = lean_array_push(x_41, x_39);
 x_43 = l_Lean_Elab_Term_elabForIn___lambda__1___closed__5;
 x_44 = 0;
-x_45 = l_Lean_Elab_Term_elabAppArgs(x_5, x_43, x_42, x_6, x_44, x_44, x_11, x_12, x_13, x_14, x_15, x_16, x_37);
+x_45 = l_Lean_Elab_Term_elabAppArgs(x_5, x_43, x_42, x_6, x_44, x_44, x_44, x_11, x_12, x_13, x_14, x_15, x_16, x_37);
 return x_45;
 }
 else
@@ -11613,7 +11613,7 @@ lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint
 x_86 = lean_ctor_get(x_81, 1);
 lean_inc(x_86);
 lean_dec(x_81);
-x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
+x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_42, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
 x_88 = lean_ctor_get(x_87, 0);
 lean_inc(x_88);
 x_89 = lean_ctor_get(x_87, 1);
@@ -11647,7 +11647,7 @@ if (lean_obj_tag(x_48) == 0)
 {
 lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
 x_49 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__14;
-x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_49, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_50 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_49, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -11672,7 +11672,7 @@ x_58 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_59, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_59, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
@@ -11691,7 +11691,7 @@ if (lean_obj_tag(x_64) == 0)
 {
 lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; 
 x_65 = l_Lean_Elab_Term_BinOp_elabBinOp___closed__21;
-x_66 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_65, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_66 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_65, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_67 = lean_ctor_get(x_66, 0);
 lean_inc(x_67);
 x_68 = lean_ctor_get(x_66, 1);
@@ -11716,7 +11716,7 @@ x_74 = l___private_Lean_Elab_Extra_0__Lean_Elab_Term_getMonadForIn___closed__6;
 x_75 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_75, 0, x_73);
 lean_ctor_set(x_75, 1, x_74);
-x_76 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_42, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
+x_76 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_42, x_75, x_6, x_7, x_8, x_9, x_10, x_11, x_44);
 x_77 = lean_ctor_get(x_76, 0);
 lean_inc(x_77);
 x_78 = lean_ctor_get(x_76, 1);
@@ -16744,7 +16744,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -17353,7 +17353,7 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_BinOp_elabDefaultOrNonempty_d
 res = l___regBuiltin_Lean_Elab_Term_BinOp_elabDefaultOrNonempty_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6221_(lean_io_mk_world());
+res = l_Lean_Elab_Term_BinOp_initFn____x40_Lean_Elab_Extra___hyg_6225_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Inductive.c b/stage0/stdlib/Lean/Elab/Inductive.c
index 39500b5f16..2a8740d5f9 100644
--- a/stage0/stdlib/Lean/Elab/Inductive.c
+++ b/stage0/stdlib/Lean/Elab/Inductive.c
@@ -33,6 +33,7 @@ uint8_t l_Lean_Level_isNeverZero(lean_object*);
 lean_object* l_Std_HashMap_insert___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_mkPatternRefMap_go___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___lambda__7(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lambda__4___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkTypeFor(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_withUsed___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -493,7 +494,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_up
 static lean_object* l_Lean_Elab_Command_instInhabitedInductiveView___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_shouldInferResultUniverse___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_replaceIndFVarsWithConsts___spec__1___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_applyRefMap___spec__1(lean_object*, lean_object*);
@@ -552,7 +552,6 @@ LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_Elab_In
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkInductiveDecl___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 static lean_object* l_Lean_mkRecOn___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___spec__1___closed__8;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_indexOfAux___at___private_Lean_Elab_PreDefinition_Structural_FindRecArg_0__Lean_Elab_Structural_getIndexMinPos___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_mapTRAux___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__5___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__6___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams___spec__7___closed__3;
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -751,6 +750,7 @@ static lean_object* l_Lean_Elab_Command_checkValidCtorModifier___rarg___lambda__
 static lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_mkAuxConstructions___closed__4;
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors___spec__2___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_fixedIndicesToParams_go(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_accLevelAtCtor___lambda__2___closed__7;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Inductive_0__Lean_Elab_Command_computeFixedIndexBitMask_go___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -2047,7 +2047,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_12, x_5, x_6, x_7, x_8, x_9, x_10, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -2101,7 +2101,7 @@ x_27 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_12, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_12, x_28, x_5, x_6, x_7, x_8, x_9, x_10, x_14);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
@@ -8300,7 +8300,7 @@ lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint
 x_53 = lean_ctor_get(x_47, 1);
 lean_inc(x_53);
 lean_dec(x_47);
-x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_27, x_7, x_8, x_9, x_10, x_11, x_12, x_53);
+x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_27, x_7, x_8, x_9, x_10, x_11, x_12, x_53);
 x_55 = lean_ctor_get(x_54, 0);
 lean_inc(x_55);
 x_56 = lean_ctor_get(x_54, 1);
@@ -8348,7 +8348,7 @@ x_40 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabCtors_elabCtorTy
 x_41 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_41, 0, x_39);
 lean_ctor_set(x_41, 1, x_40);
-x_42 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_27, x_41, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
+x_42 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_27, x_41, x_7, x_8, x_9, x_10, x_11, x_12, x_29);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -8601,7 +8601,7 @@ x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_dec(x_46);
 lean_inc(x_6);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -8654,7 +8654,7 @@ lean_ctor_set(x_39, 1, x_38);
 x_40 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_40, 0, x_39);
 lean_ctor_set(x_40, 1, x_34);
-x_41 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_40, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
+x_41 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_40, x_8, x_9, x_10, x_11, x_12, x_13, x_29);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -8860,7 +8860,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_44, 1);
 lean_inc(x_49);
 lean_dec(x_44);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_5, x_6, x_7, x_8, x_9, x_10, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -8898,7 +8898,7 @@ x_37 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_38 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_38, 0, x_36);
 lean_ctor_set(x_38, 1, x_37);
-x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_26, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_28);
+x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_28);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -15277,7 +15277,7 @@ lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint
 x_51 = lean_ctor_get(x_45, 1);
 lean_inc(x_51);
 lean_dec(x_45);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -15344,7 +15344,7 @@ x_38 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_39 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_39, 0, x_37);
 lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_39, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
+x_40 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_39, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -30133,7 +30133,7 @@ x_53 = lean_ctor_get(x_48, 1);
 lean_inc(x_53);
 lean_dec(x_48);
 lean_inc(x_9);
-x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_53);
+x_54 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_53);
 x_55 = lean_ctor_get(x_54, 0);
 lean_inc(x_55);
 x_56 = lean_ctor_get(x_54, 1);
@@ -30172,7 +30172,7 @@ x_41 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_42 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_42, 0, x_40);
 lean_ctor_set(x_42, 1, x_41);
-x_43 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_42, x_11, x_12, x_13, x_14, x_15, x_16, x_33);
+x_43 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_42, x_11, x_12, x_13, x_14, x_15, x_16, x_33);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -30338,7 +30338,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_16, x_9, x_10, x_11, x_12, x_13, x_14, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_16, x_9, x_10, x_11, x_12, x_13, x_14, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -30377,7 +30377,7 @@ x_27 = l___private_Lean_Elab_Inductive_0__Lean_Elab_Command_elabHeaderAux___lamb
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_16, x_28, x_9, x_10, x_11, x_12, x_13, x_14, x_18);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_16, x_28, x_9, x_10, x_11, x_12, x_13, x_14, x_18);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
diff --git a/stage0/stdlib/Lean/Elab/Match.c b/stage0/stdlib/Lean/Elab/Match.c
index d656f1a90d..72988cd990 100644
--- a/stage0/stdlib/Lean/Elab/Match.c
+++ b/stage0/stdlib/Lean/Elab/Match.c
@@ -42,6 +42,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_elabMatch_elabMat
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_normalize_addVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_isAuxDiscrName(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_addTermInfo_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -617,7 +618,6 @@ static lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___rarg___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at___private_Lean_Elab_Match_0__Lean_Elab_Term_withToClear___spec__19(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_elabNoMatch___closed__3;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_waitExpectedTypeAndDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAux___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -691,7 +691,6 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__L
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Match_0__Lean_Elab_Term_ToDepElimPattern_packMatchTypePatterns___spec__1___closed__1;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___rarg___lambda__4___boxed(lean_object**);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ToDepElimPattern_isExplicitPatternVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLetDecl___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__9___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchAltViews_loop___spec__4(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -956,6 +955,7 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Match_0
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_precheckMatch___lambda__2(lean_object*);
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkMatcher___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_transform_visit_visitLambda___at___private_Lean_Elab_Match_0__Lean_Elab_Term_elabMatchTypeAndDiscrs_elabDiscrs___spec__4(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Match_0__Lean_Elab_Term_expandSimpleMatch___closed__19;
@@ -2237,7 +2237,7 @@ lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; uint
 x_88 = lean_ctor_get(x_82, 1);
 lean_inc(x_88);
 lean_dec(x_82);
-x_89 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_51, x_6, x_7, x_8, x_9, x_10, x_11, x_88);
+x_89 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_51, x_6, x_7, x_8, x_9, x_10, x_11, x_88);
 x_90 = lean_ctor_get(x_89, 0);
 lean_inc(x_90);
 x_91 = lean_ctor_get(x_89, 1);
@@ -2306,7 +2306,7 @@ x_72 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_73 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_73, 0, x_71);
 lean_ctor_set(x_73, 1, x_72);
-x_74 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_51, x_73, x_6, x_7, x_8, x_9, x_10, x_11, x_53);
+x_74 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_51, x_73, x_6, x_7, x_8, x_9, x_10, x_11, x_53);
 x_75 = lean_ctor_get(x_74, 0);
 lean_inc(x_75);
 x_76 = lean_ctor_get(x_74, 1);
@@ -2440,7 +2440,7 @@ lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153;
 x_150 = lean_ctor_get(x_144, 1);
 lean_inc(x_150);
 lean_dec(x_144);
-x_151 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_113, x_6, x_7, x_8, x_9, x_10, x_11, x_150);
+x_151 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_113, x_6, x_7, x_8, x_9, x_10, x_11, x_150);
 x_152 = lean_ctor_get(x_151, 0);
 lean_inc(x_152);
 x_153 = lean_ctor_get(x_151, 1);
@@ -2509,7 +2509,7 @@ x_134 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Ter
 x_135 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_135, 0, x_133);
 lean_ctor_set(x_135, 1, x_134);
-x_136 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_113, x_135, x_6, x_7, x_8, x_9, x_10, x_11, x_115);
+x_136 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_113, x_135, x_6, x_7, x_8, x_9, x_10, x_11, x_115);
 x_137 = lean_ctor_get(x_136, 0);
 lean_inc(x_137);
 x_138 = lean_ctor_get(x_136, 1);
@@ -26366,7 +26366,7 @@ x_46 = lean_ctor_get(x_40, 1);
 lean_inc(x_46);
 lean_dec(x_40);
 lean_inc(x_3);
-x_47 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_46);
+x_47 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_3, x_7, x_8, x_9, x_10, x_11, x_12, x_46);
 x_48 = lean_ctor_get(x_47, 0);
 lean_inc(x_48);
 x_49 = lean_ctor_get(x_47, 1);
@@ -26415,7 +26415,7 @@ x_33 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_34 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_34, 0, x_32);
 lean_ctor_set(x_34, 1, x_33);
-x_35 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_3, x_34, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
+x_35 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_3, x_34, x_7, x_8, x_9, x_10, x_11, x_12, x_20);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -26662,7 +26662,7 @@ x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
 lean_inc(x_9);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -26699,7 +26699,7 @@ x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
 lean_inc(x_9);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_27);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -26912,7 +26912,7 @@ lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint
 x_65 = lean_ctor_get(x_59, 1);
 lean_inc(x_65);
 lean_dec(x_59);
-x_66 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
+x_66 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_65);
 x_67 = lean_ctor_get(x_66, 0);
 lean_inc(x_67);
 x_68 = lean_ctor_get(x_66, 1);
@@ -26952,7 +26952,7 @@ x_50 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_51 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_51, 0, x_49);
 lean_ctor_set(x_51, 1, x_50);
-x_52 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_37, x_51, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_52 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_37, x_51, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -27384,7 +27384,7 @@ lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; uint
 x_78 = lean_ctor_get(x_73, 1);
 lean_inc(x_78);
 lean_dec(x_73);
-x_79 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_78);
+x_79 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_78);
 x_80 = lean_ctor_get(x_79, 0);
 lean_inc(x_80);
 x_81 = lean_ctor_get(x_79, 1);
@@ -27481,7 +27481,7 @@ x_55 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_33, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_35);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_33, x_56, x_6, x_7, x_8, x_9, x_10, x_11, x_35);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -30539,7 +30539,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_4, x_5, x_6, x_7, x_8, x_9, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -30582,7 +30582,7 @@ x_30 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_31, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_31, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -32204,7 +32204,7 @@ x_31 = lean_ctor_get(x_25, 1);
 lean_inc(x_31);
 lean_dec(x_25);
 lean_inc(x_2);
-x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
+x_32 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_31);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -32240,7 +32240,7 @@ x_18 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_17);
 lean_ctor_set(x_19, 1, x_18);
-x_20 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_2, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_12);
+x_20 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_2, x_19, x_4, x_5, x_6, x_7, x_8, x_9, x_12);
 x_21 = lean_ctor_get(x_20, 0);
 lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
@@ -32819,7 +32819,7 @@ x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
 lean_inc(x_6);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -32855,7 +32855,7 @@ x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
 lean_inc(x_6);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_23, x_8, x_9, x_10, x_11, x_12, x_13, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -32984,7 +32984,7 @@ lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint
 x_41 = lean_ctor_get(x_35, 1);
 lean_inc(x_41);
 lean_dec(x_35);
-x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_41);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_5, x_6, x_7, x_8, x_9, x_10, x_41);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -33022,7 +33022,7 @@ x_28 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_27);
 lean_ctor_set(x_29, 1, x_28);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_29, x_5, x_6, x_7, x_8, x_9, x_10, x_19);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -37069,7 +37069,7 @@ x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
 lean_inc(x_9);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_11, x_12, x_13, x_14, x_15, x_16, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -37108,7 +37108,7 @@ x_29 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_28);
 lean_ctor_set(x_30, 1, x_29);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_30, x_11, x_12, x_13, x_14, x_15, x_16, x_20);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_30, x_11, x_12, x_13, x_14, x_15, x_16, x_20);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);
@@ -37578,7 +37578,7 @@ lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint
 x_68 = lean_ctor_get(x_62, 1);
 lean_inc(x_68);
 lean_dec(x_62);
-x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_47, x_7, x_8, x_9, x_10, x_11, x_12, x_68);
+x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_47, x_7, x_8, x_9, x_10, x_11, x_12, x_68);
 x_70 = lean_ctor_get(x_69, 0);
 lean_inc(x_70);
 x_71 = lean_ctor_get(x_69, 1);
@@ -37613,7 +37613,7 @@ x_55 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_47, x_56, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_47, x_56, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -41087,7 +41087,7 @@ lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint
 x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -41122,7 +41122,7 @@ x_32 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_31);
 lean_ctor_set(x_33, 1, x_32);
-x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_24, x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_26);
+x_34 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_24, x_33, x_6, x_7, x_8, x_9, x_10, x_11, x_26);
 x_35 = lean_ctor_get(x_34, 0);
 lean_inc(x_35);
 x_36 = lean_ctor_get(x_34, 1);
@@ -41498,7 +41498,7 @@ lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint
 x_79 = lean_ctor_get(x_73, 1);
 lean_inc(x_79);
 lean_dec(x_73);
-x_80 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_58, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
+x_80 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_58, x_7, x_8, x_9, x_10, x_11, x_12, x_79);
 x_81 = lean_ctor_get(x_80, 0);
 lean_inc(x_81);
 x_82 = lean_ctor_get(x_80, 1);
@@ -41545,7 +41545,7 @@ x_65 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_66 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_66, 0, x_64);
 lean_ctor_set(x_66, 1, x_65);
-x_67 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_58, x_66, x_7, x_8, x_9, x_10, x_11, x_12, x_60);
+x_67 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_58, x_66, x_7, x_8, x_9, x_10, x_11, x_12, x_60);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
@@ -43278,7 +43278,7 @@ lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint
 x_77 = lean_ctor_get(x_71, 1);
 lean_inc(x_77);
 lean_dec(x_71);
-x_78 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_40, x_5, x_6, x_7, x_8, x_9, x_10, x_77);
+x_78 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_40, x_5, x_6, x_7, x_8, x_9, x_10, x_77);
 x_79 = lean_ctor_get(x_78, 0);
 lean_inc(x_79);
 x_80 = lean_ctor_get(x_78, 1);
@@ -43366,7 +43366,7 @@ x_58 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_Match_0__Lean_Elab_Term
 x_59 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_59, 0, x_57);
 lean_ctor_set(x_59, 1, x_58);
-x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_40, x_59, x_5, x_6, x_7, x_8, x_9, x_10, x_42);
+x_60 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_40, x_59, x_5, x_6, x_7, x_8, x_9, x_10, x_42);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
diff --git a/stage0/stdlib/Lean/Elab/MutualDef.c b/stage0/stdlib/Lean/Elab/MutualDef.c
index 90ca38f8c8..c3e116327f 100644
--- a/stage0/stdlib/Lean/Elab/MutualDef.c
+++ b/stage0/stdlib/Lean/Elab/MutualDef.c
@@ -35,6 +35,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_getAl
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_isMultiConstant_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__4(lean_object*, size_t, size_t, lean_object*);
 uint8_t l_Lean_isAuxDiscrName(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 lean_object* lean_erase_macro_scopes(lean_object*);
@@ -451,8 +452,10 @@ static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClos
 LEAN_EXPORT lean_object* l_Std_RBNode_foldM___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_updateUsedVarsOf___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_expandMatchAltsWhereDecls(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_typeHasRecFun___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1;
 lean_object* l_Lean_Elab_Term_addLocalVarInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_elabModifiers___at_Lean_Elab_Command_elabMutualDef___spec__1___closed__3;
+static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2;
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_declValToTerm___closed__1;
 lean_object* l_List_findSome_x3f___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -485,6 +488,7 @@ static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_getPendind
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkClosureForAux___closed__3;
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkFreeVarMap___spec__4(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Command_elabMutualDef___spec__9(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_addInstance(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabMutualDef___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -585,7 +589,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0_
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_isExample___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkInitialUsedFVarsMap___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_mkLetRecClosures___spec__8___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -647,7 +650,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_remov
 uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_processDefDeriving___spec__2___closed__2;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_collectUsed___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_levelMVarToParamHeaders_process(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -868,6 +870,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Mutua
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_updateUsedVarsOf(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_registerFailedToInferDefTypeInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_mkDefView(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_MutualClosure_FixPoint_resetModified___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_withUsed___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -884,6 +887,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_mkIns
 LEAN_EXPORT lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabFunValues___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___lambda__3___closed__6;
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_pp_universes;
 static lean_object* l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__6;
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_expandWhereStructInst___spec__5___closed__3;
@@ -4362,7 +4366,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -4407,7 +4411,7 @@ x_36 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___clo
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_37, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_37, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
@@ -34861,7 +34865,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -34924,7 +34928,7 @@ lean_ctor_set(x_35, 1, x_34);
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_24);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
 x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
 lean_dec(x_37);
@@ -35155,6 +35159,147 @@ goto _start;
 }
 }
 }
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("after eraseAuxDiscr, ", 21);
+return x_1;
+}
+}
+static lean_object* _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+uint8_t x_12; 
+x_12 = lean_usize_dec_lt(x_3, x_2);
+if (x_12 == 0)
+{
+lean_object* x_13; 
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_4);
+lean_ctor_set(x_13, 1, x_11);
+return x_13;
+}
+else
+{
+lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_dec(x_4);
+x_14 = lean_array_uget(x_1, x_3);
+x_15 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_elabHeaders___spec__6___lambda__4___closed__4;
+x_45 = lean_st_ref_get(x_10, x_11);
+x_46 = lean_ctor_get(x_45, 0);
+lean_inc(x_46);
+x_47 = lean_ctor_get(x_46, 3);
+lean_inc(x_47);
+lean_dec(x_46);
+x_48 = lean_ctor_get_uint8(x_47, sizeof(void*)*1);
+lean_dec(x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; uint8_t x_50; 
+x_49 = lean_ctor_get(x_45, 1);
+lean_inc(x_49);
+lean_dec(x_45);
+x_50 = 0;
+x_16 = x_50;
+x_17 = x_49;
+goto block_44;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_51 = lean_ctor_get(x_45, 1);
+lean_inc(x_51);
+lean_dec(x_45);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_51);
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+x_54 = lean_ctor_get(x_52, 1);
+lean_inc(x_54);
+lean_dec(x_52);
+x_55 = lean_unbox(x_53);
+lean_dec(x_53);
+x_16 = x_55;
+x_17 = x_54;
+goto block_44;
+}
+block_44:
+{
+if (x_16 == 0)
+{
+size_t x_18; size_t x_19; lean_object* x_20; 
+lean_dec(x_14);
+x_18 = 1;
+x_19 = lean_usize_add(x_3, x_18);
+x_20 = lean_box(0);
+x_3 = x_19;
+x_4 = x_20;
+x_11 = x_17;
+goto _start;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; size_t x_40; size_t x_41; lean_object* x_42; 
+x_22 = lean_ctor_get(x_14, 3);
+lean_inc(x_22);
+x_23 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_23, 0, x_22);
+x_24 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2;
+x_25 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_23);
+x_26 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__2;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_25);
+lean_ctor_set(x_27, 1, x_26);
+x_28 = lean_ctor_get(x_14, 4);
+lean_inc(x_28);
+x_29 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_29, 0, x_28);
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_27);
+lean_ctor_set(x_30, 1, x_29);
+x_31 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = lean_ctor_get(x_14, 5);
+lean_inc(x_33);
+lean_dec(x_14);
+x_34 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_34, 0, x_33);
+x_35 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_35, 0, x_32);
+lean_ctor_set(x_35, 1, x_34);
+x_36 = l___private_Lean_Elab_MutualDef_0__Lean_Elab_Term_check___lambda__2___closed__6;
+x_37 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_37, 0, x_35);
+lean_ctor_set(x_37, 1, x_36);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_37, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_39 = lean_ctor_get(x_38, 1);
+lean_inc(x_39);
+lean_dec(x_38);
+x_40 = 1;
+x_41 = lean_usize_add(x_3, x_40);
+x_42 = lean_box(0);
+x_3 = x_41;
+x_4 = x_42;
+x_11 = x_39;
+goto _start;
+}
+}
+}
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMutualDef_go___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, size_t x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16, lean_object* x_17) {
 _start:
 {
@@ -35226,12 +35371,19 @@ lean_inc(x_15);
 x_37 = l_Array_mapMUnsafe_map___at_Lean_Elab_Term_elabMutualDef_go___spec__4(x_36, x_5, x_33, x_11, x_12, x_13, x_14, x_15, x_16, x_34);
 if (lean_obj_tag(x_37) == 0)
 {
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+lean_object* x_38; lean_object* x_39; lean_object* x_40; size_t x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
 lean_inc(x_39);
 lean_dec(x_37);
+x_40 = lean_array_get_size(x_38);
+x_41 = lean_usize_of_nat(x_40);
+lean_dec(x_40);
+x_42 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(x_38, x_41, x_5, x_23, x_11, x_12, x_13, x_14, x_15, x_16, x_39);
+x_43 = lean_ctor_get(x_42, 1);
+lean_inc(x_43);
+lean_dec(x_42);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
@@ -35239,65 +35391,33 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_38);
-x_40 = l_Lean_Elab_Term_checkForHiddenUnivLevels(x_7, x_38, x_11, x_12, x_13, x_14, x_15, x_16, x_39);
-if (lean_obj_tag(x_40) == 0)
+x_44 = l_Lean_Elab_Term_checkForHiddenUnivLevels(x_7, x_38, x_11, x_12, x_13, x_14, x_15, x_16, x_43);
+if (lean_obj_tag(x_44) == 0)
 {
-lean_object* x_41; lean_object* x_42; 
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-lean_dec(x_40);
+lean_object* x_45; lean_object* x_46; 
+x_45 = lean_ctor_get(x_44, 1);
+lean_inc(x_45);
+lean_dec(x_44);
 lean_inc(x_16);
 lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
-x_42 = l_Lean_Elab_addPreDefinitions(x_38, x_8, x_11, x_12, x_13, x_14, x_15, x_16, x_41);
-if (lean_obj_tag(x_42) == 0)
+x_46 = l_Lean_Elab_addPreDefinitions(x_38, x_8, x_11, x_12, x_13, x_14, x_15, x_16, x_45);
+if (lean_obj_tag(x_46) == 0)
 {
-lean_object* x_43; lean_object* x_44; 
-x_43 = lean_ctor_get(x_42, 1);
-lean_inc(x_43);
-lean_dec(x_42);
-x_44 = l_Lean_Elab_Term_elabMutualDef_processDeriving(x_9, x_1, x_11, x_12, x_13, x_14, x_15, x_16, x_43);
-lean_dec(x_1);
-return x_44;
-}
-else
-{
-uint8_t x_45; 
-lean_dec(x_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_9);
-lean_dec(x_1);
-x_45 = !lean_is_exclusive(x_42);
-if (x_45 == 0)
-{
-return x_42;
-}
-else
-{
-lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_46 = lean_ctor_get(x_42, 0);
-x_47 = lean_ctor_get(x_42, 1);
+lean_object* x_47; lean_object* x_48; 
+x_47 = lean_ctor_get(x_46, 1);
 lean_inc(x_47);
-lean_inc(x_46);
-lean_dec(x_42);
-x_48 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_48, 0, x_46);
-lean_ctor_set(x_48, 1, x_47);
+lean_dec(x_46);
+x_48 = l_Lean_Elab_Term_elabMutualDef_processDeriving(x_9, x_1, x_11, x_12, x_13, x_14, x_15, x_16, x_47);
+lean_dec(x_1);
 return x_48;
 }
-}
-}
 else
 {
 uint8_t x_49; 
-lean_dec(x_38);
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -35305,21 +35425,20 @@ lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_9);
-lean_dec(x_8);
 lean_dec(x_1);
-x_49 = !lean_is_exclusive(x_40);
+x_49 = !lean_is_exclusive(x_46);
 if (x_49 == 0)
 {
-return x_40;
+return x_46;
 }
 else
 {
 lean_object* x_50; lean_object* x_51; lean_object* x_52; 
-x_50 = lean_ctor_get(x_40, 0);
-x_51 = lean_ctor_get(x_40, 1);
+x_50 = lean_ctor_get(x_46, 0);
+x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_inc(x_50);
-lean_dec(x_40);
+lean_dec(x_46);
 x_52 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_52, 0, x_50);
 lean_ctor_set(x_52, 1, x_51);
@@ -35330,6 +35449,7 @@ return x_52;
 else
 {
 uint8_t x_53; 
+lean_dec(x_38);
 lean_dec(x_16);
 lean_dec(x_15);
 lean_dec(x_14);
@@ -35338,21 +35458,20 @@ lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_9);
 lean_dec(x_8);
-lean_dec(x_7);
 lean_dec(x_1);
-x_53 = !lean_is_exclusive(x_37);
+x_53 = !lean_is_exclusive(x_44);
 if (x_53 == 0)
 {
-return x_37;
+return x_44;
 }
 else
 {
 lean_object* x_54; lean_object* x_55; lean_object* x_56; 
-x_54 = lean_ctor_get(x_37, 0);
-x_55 = lean_ctor_get(x_37, 1);
+x_54 = lean_ctor_get(x_44, 0);
+x_55 = lean_ctor_get(x_44, 1);
 lean_inc(x_55);
 lean_inc(x_54);
-lean_dec(x_37);
+lean_dec(x_44);
 x_56 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
@@ -35373,19 +35492,19 @@ lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_1);
-x_57 = !lean_is_exclusive(x_32);
+x_57 = !lean_is_exclusive(x_37);
 if (x_57 == 0)
 {
-return x_32;
+return x_37;
 }
 else
 {
 lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_58 = lean_ctor_get(x_32, 0);
-x_59 = lean_ctor_get(x_32, 1);
+x_58 = lean_ctor_get(x_37, 0);
+x_59 = lean_ctor_get(x_37, 1);
 lean_inc(x_59);
 lean_inc(x_58);
-lean_dec(x_32);
+lean_dec(x_37);
 x_60 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_60, 0, x_58);
 lean_ctor_set(x_60, 1, x_59);
@@ -35405,25 +35524,58 @@ lean_dec(x_11);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
+lean_dec(x_1);
+x_61 = !lean_is_exclusive(x_32);
+if (x_61 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_32, 0);
+x_63 = lean_ctor_get(x_32, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_32);
+x_64 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+return x_64;
+}
+}
+}
+else
+{
+uint8_t x_65; 
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_1);
-x_61 = !lean_is_exclusive(x_18);
-if (x_61 == 0)
+x_65 = !lean_is_exclusive(x_18);
+if (x_65 == 0)
 {
 return x_18;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_18, 0);
-x_63 = lean_ctor_get(x_18, 1);
-lean_inc(x_63);
-lean_inc(x_62);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_18, 0);
+x_67 = lean_ctor_get(x_18, 1);
+lean_inc(x_67);
+lean_inc(x_66);
 lean_dec(x_18);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
-return x_64;
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
@@ -35843,6 +35995,25 @@ lean_dec(x_4);
 return x_13;
 }
 }
+LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11) {
+_start:
+{
+size_t x_12; size_t x_13; lean_object* x_14; 
+x_12 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_13 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_14 = l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5(x_1, x_12, x_13, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_1);
+return x_14;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabMutualDef_go___lambda__1___boxed(lean_object** _args) {
 lean_object* x_1 = _args[0];
 lean_object* x_2 = _args[1];
@@ -38331,6 +38502,10 @@ l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__3);
 l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4();
 lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__3___closed__4);
+l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__1);
+l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2 = _init_l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2();
+lean_mark_persistent(l_Array_forInUnsafe_loop___at_Lean_Elab_Term_elabMutualDef_go___spec__5___closed__2);
 l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1 = _init_l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1();
 lean_mark_persistent(l_Lean_Elab_Term_elabMutualDef_go___lambda__2___boxed__const__1);
 l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1___closed__1 = _init_l_Lean_Elab_elabAttr___at_Lean_Elab_Command_elabMutualDef___spec__4___lambda__1___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
index 5b41bb9722..8bf68a4554 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/Main.c
@@ -20,6 +20,7 @@ lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTer
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux___rarg(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__7___closed__1;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_getMVarsAtPreDef___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_addPreDefinitions___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_addPreDefinitions___spec__15(lean_object*, size_t, size_t);
@@ -240,7 +241,6 @@ lean_object* l_Lean_Elab_addAndCompilePartialRec(lean_object*, lean_object*, lea
 lean_object* l_Lean_setEnv___at_Lean_Meta_setInlineAttribute___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at_Lean_Elab_addPreDefinitions___spec__8___rarg___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__4___closed__2;
 static lean_object* l_Lean_Elab_addPreDefinitions___closed__5;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__4___closed__1;
@@ -262,7 +262,6 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_addPreDefinitions___sp
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at_Lean_Elab_addPreDefinitions___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__21___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallTelescope___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_addAndCompilePartial___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_addPreDefinitions___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_partitionPreDefs___spec__26(lean_object*, size_t, size_t, lean_object*);
@@ -332,6 +331,7 @@ static lean_object* l_Lean_Elab_addPreDefinitions___closed__13;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_addAndCompilePartial___spec__2___closed__8;
 lean_object* l_Lean_Elab_WF_TerminationBy_find_x3f(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_addPreDefinitions___spec__1___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at_Lean_Elab_addPreDefinitions___spec__4___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Util_SCC_0__Lean_SCC_resetOnStack___at___private_Lean_Elab_PreDefinition_Main_0__Lean_Elab_partitionPreDefs___spec__22___closed__1;
@@ -860,7 +860,7 @@ lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint
 x_71 = lean_ctor_get(x_65, 1);
 lean_inc(x_71);
 lean_dec(x_65);
-x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
+x_72 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_17, x_7, x_8, x_9, x_10, x_11, x_12, x_71);
 x_73 = lean_ctor_get(x_72, 0);
 lean_inc(x_73);
 x_74 = lean_ctor_get(x_72, 1);
@@ -990,7 +990,7 @@ x_42 = l_Array_forInUnsafe_loop___at___private_Lean_Elab_PreDefinition_Main_0__L
 x_43 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_43, 0, x_41);
 lean_ctor_set(x_43, 1, x_42);
-x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_17, x_43, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
+x_44 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_17, x_43, x_7, x_8, x_9, x_10, x_11, x_12, x_19);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -4689,7 +4689,7 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; uint
 x_50 = lean_ctor_get(x_44, 1);
 lean_inc(x_50);
 lean_dec(x_44);
-x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
+x_51 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_15, x_5, x_6, x_7, x_8, x_9, x_10, x_50);
 x_52 = lean_ctor_get(x_51, 0);
 lean_inc(x_52);
 x_53 = lean_ctor_get(x_51, 1);
@@ -4752,7 +4752,7 @@ lean_ctor_set(x_35, 1, x_34);
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_24);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_15, x_36, x_5, x_6, x_7, x_8, x_9, x_10, x_17);
 x_38 = lean_ctor_get(x_37, 1);
 lean_inc(x_38);
 lean_dec(x_37);
@@ -9090,7 +9090,7 @@ lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; uint
 x_83 = lean_ctor_get(x_77, 1);
 lean_inc(x_83);
 lean_dec(x_77);
-x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_83);
+x_84 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_83);
 x_85 = lean_ctor_get(x_84, 0);
 lean_inc(x_85);
 x_86 = lean_ctor_get(x_84, 1);
@@ -9224,7 +9224,7 @@ lean_ctor_set(x_53, 1, x_51);
 x_54 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_54, 0, x_53);
 lean_ctor_set(x_54, 1, x_52);
-x_55 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_54, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
+x_55 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_54, x_9, x_10, x_11, x_12, x_13, x_14, x_25);
 x_56 = lean_ctor_get(x_55, 0);
 lean_inc(x_56);
 x_57 = lean_ctor_get(x_55, 1);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
index 69966fe34b..2460fcfd48 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Fix.c
@@ -23,6 +23,7 @@ static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_r
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__7___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn___closed__8;
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_HasConstCache_containsUnsafe(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processSumCasesOn___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
@@ -174,7 +175,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_processPSigmaCasesOn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__4(lean_object*, lean_object*);
@@ -190,7 +190,6 @@ static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinitio
 lean_object* l_List_redLength___rarg(lean_object*);
 lean_object* l_Lean_Elab_pushInfoTree___at_Lean_Elab_Term_addDotCompletionInfo___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_addAutoBoundImplicits_x27___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -238,6 +237,7 @@ LEAN_EXPORT lean_object* l_Lean_MonadRef_mkInfoFromRefPos___at___private_Lean_El
 lean_object* l_Lean_Elab_ensureNoRecFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__12___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_setUserName(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__Lean_Elab_WF_replaceRecApps_loop___spec__5___lambda__2___closed__6;
@@ -5161,7 +5161,7 @@ x_45 = lean_ctor_get(x_39, 1);
 lean_inc(x_45);
 lean_dec(x_39);
 lean_inc(x_6);
-x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_45);
+x_46 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_6, x_8, x_9, x_10, x_11, x_12, x_13, x_45);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
@@ -5219,7 +5219,7 @@ lean_ctor_set(x_28, 1, x_27);
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_23);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_6, x_29, x_8, x_9, x_10, x_11, x_12, x_13, x_21);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_6, x_29, x_8, x_9, x_10, x_11, x_12, x_13, x_21);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -5368,7 +5368,7 @@ lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; uint
 x_34 = lean_ctor_get(x_28, 1);
 lean_inc(x_34);
 lean_dec(x_28);
-x_35 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
+x_35 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_13, x_6, x_7, x_8, x_9, x_10, x_11, x_34);
 x_36 = lean_ctor_get(x_35, 0);
 lean_inc(x_36);
 x_37 = lean_ctor_get(x_35, 1);
@@ -5402,7 +5402,7 @@ x_21 = l_Array_mapMUnsafe_map___at___private_Lean_Elab_PreDefinition_WF_Fix_0__L
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
-x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_13, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
+x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_13, x_22, x_6, x_7, x_8, x_9, x_10, x_11, x_15);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
index aae8882a3c..00237dd0e9 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Main.c
@@ -15,6 +15,7 @@ extern "C" {
 #endif
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_wfRecursion___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -133,7 +134,6 @@ size_t lean_usize_of_nat(lean_object*);
 lean_object* l_Lean_Elab_addAndCompilePartialRec(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_withCommonTelescope_go___spec__1(lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -141,7 +141,6 @@ static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinitio
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_getFixedPrefix___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_WF_elabWFRel___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Expr_withAppAux___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs_mkSum___spec__1___closed__3;
@@ -187,6 +186,7 @@ lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_ob
 lean_object* l_Lean_Elab_eraseRecAppSyntaxExpr___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_getFixedPrefix___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_withCommonTelescope_go___spec__3___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_getFixedPrefix___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_panic___at_Lean_Meta_whnfCore_go___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__Lean_Elab_addNonRecPreDefs___spec__1___closed__8;
@@ -1120,7 +1120,7 @@ lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; uint
 x_90 = lean_ctor_get(x_84, 1);
 lean_inc(x_90);
 lean_dec(x_84);
-x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_36, x_11, x_12, x_13, x_14, x_15, x_16, x_90);
+x_91 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_36, x_11, x_12, x_13, x_14, x_15, x_16, x_90);
 x_92 = lean_ctor_get(x_91, 0);
 lean_inc(x_92);
 x_93 = lean_ctor_get(x_91, 1);
@@ -1271,7 +1271,7 @@ lean_ctor_set(x_62, 1, x_61);
 x_63 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_63, 0, x_62);
 lean_ctor_set(x_63, 1, x_57);
-x_64 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_36, x_63, x_11, x_12, x_13, x_14, x_15, x_16, x_38);
+x_64 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_36, x_63, x_11, x_12, x_13, x_14, x_15, x_16, x_38);
 x_65 = lean_ctor_get(x_64, 0);
 lean_inc(x_65);
 x_66 = lean_ctor_get(x_64, 1);
@@ -4580,7 +4580,7 @@ lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; uint
 x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -4615,7 +4615,7 @@ x_22 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_23, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -5117,7 +5117,7 @@ lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116;
 x_113 = lean_ctor_get(x_107, 1);
 lean_inc(x_113);
 lean_dec(x_107);
-x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_73, x_4, x_5, x_6, x_7, x_8, x_9, x_113);
+x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_73, x_4, x_5, x_6, x_7, x_8, x_9, x_113);
 x_115 = lean_ctor_get(x_114, 0);
 lean_inc(x_115);
 x_116 = lean_ctor_get(x_114, 1);
@@ -5210,7 +5210,7 @@ x_91 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_92 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_92, 0, x_90);
 lean_ctor_set(x_92, 1, x_91);
-x_93 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_73, x_92, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
+x_93 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_73, x_92, x_4, x_5, x_6, x_7, x_8, x_9, x_75);
 x_94 = lean_ctor_get(x_93, 0);
 lean_inc(x_94);
 x_95 = lean_ctor_get(x_93, 1);
@@ -5427,7 +5427,7 @@ lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; uint
 x_57 = lean_ctor_get(x_51, 1);
 lean_inc(x_57);
 lean_dec(x_51);
-x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
+x_58 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_57);
 x_59 = lean_ctor_get(x_58, 0);
 lean_inc(x_59);
 x_60 = lean_ctor_get(x_58, 1);
@@ -5474,7 +5474,7 @@ x_44 = l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Main_0__
 x_45 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_45, 0, x_43);
 lean_ctor_set(x_45, 1, x_44);
-x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_30, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
+x_46 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_30, x_45, x_4, x_5, x_6, x_7, x_8, x_9, x_32);
 x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
 x_48 = lean_ctor_get(x_46, 1);
diff --git a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
index ff549693a7..c52e013e87 100644
--- a/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
+++ b/stage0/stdlib/Lean/Elab/PreDefinition/WF/Rel.c
@@ -18,6 +18,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_WF_generateCombinations_x3f(lean_object*, l
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_getNumCandidateArgs___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
@@ -157,7 +158,6 @@ size_t lean_usize_of_nat(lean_object*);
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_generateCombinations_x3f_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_getRefFromElems___boxed(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 static lean_object* l_panic___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackMutual_go___spec__1___closed__1;
@@ -171,7 +171,6 @@ lean_object* l_Lean_Meta_synthInstance(lean_object*, lean_object*, lean_object*,
 lean_object* l_Lean_Meta_getMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_Cases_cases(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_lambdaTelescope___at___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary___spec__3(lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_WF_elabWFRel___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_main_module(lean_object*);
@@ -236,6 +235,7 @@ LEAN_EXPORT lean_object* l_Lean_observing_x3f___at_Lean_Elab_WF_elabWFRel_guess_
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_WF_elabWFRel_go___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_WF_elabWFRel___rarg___closed__2;
 static lean_object* l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go___closed__2;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_WF_elabWFRel_guess___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Elab_WF_getForbiddenByTrivialSizeOf___spec__1___closed__4;
 lean_object* l_Lean_Meta_mkFreshExprSyntheticOpaqueMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -936,7 +936,7 @@ lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint
 x_48 = lean_ctor_get(x_42, 1);
 lean_inc(x_48);
 lean_dec(x_42);
-x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
+x_49 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_14, x_7, x_8, x_9, x_10, x_11, x_12, x_48);
 x_50 = lean_ctor_get(x_49, 0);
 lean_inc(x_50);
 x_51 = lean_ctor_get(x_49, 1);
@@ -997,7 +997,7 @@ x_35 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go
 x_36 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_36, 0, x_34);
 lean_ctor_set(x_36, 1, x_35);
-x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_14, x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_14, x_36, x_7, x_8, x_9, x_10, x_11, x_12, x_16);
 x_38 = lean_ctor_get(x_37, 0);
 lean_inc(x_38);
 x_39 = lean_ctor_get(x_37, 1);
@@ -10509,7 +10509,7 @@ lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint
 x_49 = lean_ctor_get(x_43, 1);
 lean_inc(x_49);
 lean_dec(x_43);
-x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
+x_50 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_22, x_7, x_8, x_9, x_10, x_11, x_12, x_49);
 x_51 = lean_ctor_get(x_50, 0);
 lean_inc(x_51);
 x_52 = lean_ctor_get(x_50, 1);
@@ -10554,7 +10554,7 @@ x_36 = l___private_Lean_Elab_PreDefinition_WF_Rel_0__Lean_Elab_WF_unpackUnary_go
 x_37 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_37, 0, x_35);
 lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_22, x_37, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
+x_38 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_22, x_37, x_7, x_8, x_9, x_10, x_11, x_12, x_31);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
 x_40 = lean_ctor_get(x_38, 1);
diff --git a/stage0/stdlib/Lean/Elab/Quotation.c b/stage0/stdlib/Lean/Elab/Quotation.c
index 1e1ae936b7..b1e6fc734b 100644
--- a/stage0/stdlib/Lean/Elab/Quotation.c
+++ b/stage0/stdlib/Lean/Elab/Quotation.c
@@ -49,6 +49,7 @@ static lean_object* l_Lean_Elab_Term_Quotation_getQuotKind___closed__3;
 LEAN_EXPORT lean_object* l_Lean_resolveGlobalConstCore___at_Lean_Elab_Term_Quotation_getQuotKind___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__23___closed__2;
 static lean_object* l_Lean_Elab_Term_Quotation_stxQuot_expand___closed__21;
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_Quotation_getQuotKind___closed__29;
 lean_object* l_List_tail_x21___rarg(lean_object*);
 uint8_t l_Lean_Syntax_isTokenAntiquot(lean_object*);
@@ -766,7 +767,6 @@ static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_Quotation_resolveSectionVariable(lean_object*, lean_object*);
 uint8_t l_List_foldr___at_List_and___spec__1(uint8_t, lean_object*);
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_compileStxMatch___closed__2;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_foldlM___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__17___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__15(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_compileStxMatch___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -865,7 +865,6 @@ static lean_object* l_Lean_Elab_Term_Quotation_stxQuot_expand___closed__49;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__20(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___spec__7(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_4922__declRange___closed__1;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__25___closed__48;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getSepStxFromSplice___lambda__2___closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1136,6 +1135,7 @@ static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Quotation_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__29___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_Quotation_elabQuot____x40_Lean_Elab_Quotation___hyg_4892____closed__2;
 static lean_object* l___private_Init_Meta_0__Lean_quoteList___at_Lean_Elab_Term_Quotation_ArrayStxBuilder_build___spec__1___closed__5;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_sequenceMap_loop___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_deduplicate___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwUnsupportedSyntax___at___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_quoteSyntax___spec__3___rarg___closed__2;
 static lean_object* l___private_Lean_Elab_Quotation_0__Lean_Elab_Term_Quotation_getHeadInfo___lambda__10___closed__21;
@@ -45234,7 +45234,7 @@ lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; uint
 x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -45283,7 +45283,7 @@ x_26 = l_Lean_Elab_Term_Quotation_getQuotKind___closed__3;
 x_27 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_27, 0, x_25);
 lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_27, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_27, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
@@ -46022,7 +46022,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_23, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -46068,7 +46068,7 @@ lean_ctor_set(x_29, 1, x_27);
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_23, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_23, x_30, x_6, x_7, x_8, x_9, x_10, x_11, x_25);
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
diff --git a/stage0/stdlib/Lean/Elab/StructInst.c b/stage0/stdlib/Lean/Elab/StructInst.c
index 2a8f7a5f95..24159e0710 100644
--- a/stage0/stdlib/Lean/Elab/StructInst.c
+++ b/stage0/stdlib/Lean/Elab/StructInst.c
@@ -30,6 +30,7 @@ size_t lean_usize_add(size_t, size_t);
 lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructInstExpectedType_declRange___closed__7;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandNonAtomicExplicitSources_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_List_tail_x21___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_Field_expr_x3f___default;
@@ -496,7 +497,6 @@ static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructIns
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__2___closed__10;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_getFieldIdx(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_StructInst_Struct_structName___boxed(lean_object*);
 static lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyOp___lambda__3___closed__8;
@@ -554,7 +554,6 @@ LEAN_EXPORT lean_object* l___regBuiltin_Lean_Elab_Term_StructInst_expandStructIn
 lean_object* l_Lean_Syntax_getSepArgs(lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_throwFailedToElabField___rarg___closed__2;
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_StructInst_formatField___closed__1;
 static lean_object* l_Lean_Elab_Term_StructInst_expandStructInstFieldAbbrev___lambda__1___closed__10;
 lean_object* l_List_find_x3f___rarg(lean_object*, lean_object*);
@@ -725,6 +724,7 @@ lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_s
 static lean_object* l_List_mapM___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_groupFields___spec__8___closed__1;
 LEAN_EXPORT lean_object* l_List_findSomeM_x3f___at_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_forIn_loop___at_Lean_Elab_Term_StructInst_DefaultFields_step___spec__4___closed__3;
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_expandParentFields(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_isModifyOp_x3f___spec__3___closed__3;
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
@@ -5071,7 +5071,7 @@ x_131 = lean_ctor_get(x_125, 1);
 lean_inc(x_131);
 lean_dec(x_125);
 lean_inc(x_13);
-x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_13, x_15, x_16, x_17, x_18, x_19, x_20, x_131);
+x_132 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_13, x_15, x_16, x_17, x_18, x_19, x_20, x_131);
 x_133 = lean_ctor_get(x_132, 0);
 lean_inc(x_133);
 x_134 = lean_ctor_get(x_132, 1);
@@ -5116,7 +5116,7 @@ lean_ctor_set(x_118, 1, x_117);
 x_119 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_119, 0, x_118);
 lean_ctor_set(x_119, 1, x_113);
-x_120 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_13, x_119, x_15, x_16, x_17, x_18, x_19, x_20, x_109);
+x_120 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_13, x_119, x_15, x_16, x_17, x_18, x_19, x_20, x_109);
 x_121 = lean_ctor_get(x_120, 0);
 lean_inc(x_121);
 x_122 = lean_ctor_get(x_120, 1);
@@ -5407,7 +5407,7 @@ lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; uint
 x_84 = lean_ctor_get(x_48, 1);
 lean_inc(x_84);
 lean_dec(x_48);
-x_85 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_84);
+x_85 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_84);
 x_86 = lean_ctor_get(x_85, 0);
 lean_inc(x_86);
 x_87 = lean_ctor_get(x_85, 1);
@@ -5452,7 +5452,7 @@ lean_ctor_set(x_71, 1, x_70);
 x_72 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_72, 0, x_71);
 lean_ctor_set(x_72, 1, x_66);
-x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_47, x_72, x_6, x_7, x_8, x_9, x_10, x_11, x_61);
+x_73 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_47, x_72, x_6, x_7, x_8, x_9, x_10, x_11, x_61);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);
@@ -5663,7 +5663,7 @@ lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204;
 x_201 = lean_ctor_get(x_195, 1);
 lean_inc(x_201);
 lean_dec(x_195);
-x_202 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_177, x_6, x_7, x_8, x_9, x_10, x_11, x_201);
+x_202 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_177, x_6, x_7, x_8, x_9, x_10, x_11, x_201);
 x_203 = lean_ctor_get(x_202, 0);
 lean_inc(x_203);
 x_204 = lean_ctor_get(x_202, 1);
@@ -5707,7 +5707,7 @@ lean_ctor_set(x_188, 1, x_187);
 x_189 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_189, 0, x_188);
 lean_ctor_set(x_189, 1, x_183);
-x_190 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_177, x_189, x_6, x_7, x_8, x_9, x_10, x_11, x_179);
+x_190 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_177, x_189, x_6, x_7, x_8, x_9, x_10, x_11, x_179);
 x_191 = lean_ctor_get(x_190, 0);
 lean_inc(x_191);
 x_192 = lean_ctor_get(x_190, 1);
@@ -18193,7 +18193,7 @@ lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; uint
 x_68 = lean_ctor_get(x_62, 1);
 lean_inc(x_68);
 lean_dec(x_62);
-x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_41, x_5, x_6, x_7, x_8, x_9, x_10, x_68);
+x_69 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_41, x_5, x_6, x_7, x_8, x_9, x_10, x_68);
 x_70 = lean_ctor_get(x_69, 0);
 lean_inc(x_70);
 x_71 = lean_ctor_get(x_69, 1);
@@ -18249,7 +18249,7 @@ x_55 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_56 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_56, 0, x_54);
 lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_41, x_56, x_5, x_6, x_7, x_8, x_9, x_10, x_43);
+x_57 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_41, x_56, x_5, x_6, x_7, x_8, x_9, x_10, x_43);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -26103,7 +26103,7 @@ x_39 = lean_ctor_get(x_33, 1);
 lean_inc(x_39);
 lean_dec(x_33);
 lean_inc(x_3);
-x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
+x_40 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_3, x_5, x_6, x_7, x_8, x_9, x_10, x_39);
 x_41 = lean_ctor_get(x_40, 0);
 lean_inc(x_41);
 x_42 = lean_ctor_get(x_40, 1);
@@ -26139,7 +26139,7 @@ x_26 = l___private_Lean_Elab_StructInst_0__Lean_Elab_Term_StructInst_elabModifyO
 x_27 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_27, 0, x_25);
 lean_ctor_set(x_27, 1, x_26);
-x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_3, x_27, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
+x_28 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_3, x_27, x_5, x_6, x_7, x_8, x_9, x_10, x_20);
 x_29 = lean_ctor_get(x_28, 0);
 lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
@@ -26262,7 +26262,7 @@ lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint
 x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_21, x_4, x_5, x_6, x_7, x_8, x_9, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -26297,7 +26297,7 @@ lean_ctor_set(x_29, 1, x_27);
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_28);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_21, x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_21, x_30, x_4, x_5, x_6, x_7, x_8, x_9, x_23);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);
diff --git a/stage0/stdlib/Lean/Elab/Structure.c b/stage0/stdlib/Lean/Elab/Structure.c
index a06ce64a4b..8dd3f5b9c0 100644
--- a/stage0/stdlib/Lean/Elab/Structure.c
+++ b/stage0/stdlib/Lean/Elab/Structure.c
@@ -40,6 +40,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_ge
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectUniversesFromFields_go___spec__2___closed__2;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_copyNewFieldsFrom_copyFields_copy___rarg___lambda__3___boxed(lean_object**);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectUniversesFromFields_go___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
@@ -585,7 +586,6 @@ static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Structure
 LEAN_EXPORT lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldKind____x40_Lean_Elab_Structure___hyg_327____closed__5;
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_522____closed__26;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkCoercionToCopiedParent___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -654,7 +654,6 @@ uint8_t l_Lean_isAttribute(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Command_elabStructure___closed__6;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_collectLevelParamsInFVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_withFields_go___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_toVisibility___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Command_elabStructure___lambda__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -880,6 +879,7 @@ LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Structure_0_
 lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_elabStructureView___spec__4___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_mkCoercionToCopiedParent___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandFields___spec__6(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Structure_0__Lean_Elab_Command_reprStructFieldInfo____x40_Lean_Elab_Structure___hyg_522____closed__16;
 static lean_object* l_Lean_Elab_elabAttr___at___private_Lean_Elab_Structure_0__Lean_Elab_Command_expandCtor___spec__4___lambda__1___closed__8;
@@ -26707,7 +26707,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; uint
 x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_22, x_10, x_11, x_12, x_13, x_14, x_15, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_22, x_10, x_11, x_12, x_13, x_14, x_15, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -26744,7 +26744,7 @@ x_30 = l_Lean_Elab_elabModifiers___at___private_Lean_Elab_Structure_0__Lean_Elab
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_29);
 lean_ctor_set(x_31, 1, x_30);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_22, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_24);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_22, x_31, x_10, x_11, x_12, x_13, x_14, x_15, x_24);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
diff --git a/stage0/stdlib/Lean/Elab/SyntheticMVars.c b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
index 07cbfe2489..09e1da78da 100644
--- a/stage0/stdlib/Lean/Elab/SyntheticMVars.c
+++ b/stage0/stdlib/Lean/Elab/SyntheticMVars.c
@@ -22,6 +22,7 @@ LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVa
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefault___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 static lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__2;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
@@ -32,7 +33,6 @@ LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_Synthet
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__7;
 static lean_object* l_Std_RBNode_forIn_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___spec__2___closed__3;
-static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__16;
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Elab_Term_runTactic___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -41,13 +41,13 @@ lean_object* lean_name_mk_string(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_runTactic___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef(lean_object*);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_processPostponedUniverseContraints___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___closed__1;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__11;
 LEAN_EXPORT lean_object* l_Std_HashSetImp_contains___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__2___boxed(lean_object*, lean_object*);
@@ -57,7 +57,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_runTactic
 lean_object* lean_local_ctx_mk_let_decl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 extern lean_object* l_Lean_maxRecDepthErrorMessage;
 lean_object* lean_array_uset(lean_object*, size_t, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__10;
 LEAN_EXPORT lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__11(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -69,6 +68,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabTermAndSynthesize(lean_object*, le
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumeElabTerm(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_panic___at_Lean_Elab_Term_reportStuckSyntheticMVar___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefault(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_Elab_Term_runTactic___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -87,11 +87,13 @@ lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
 lean_object* l_Lean_Meta_isClass_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instInhabitedPostponedEntry;
+lean_object* l_Lean_Meta_isSyntheticMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_processPostponedUniverseContraints(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__2;
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_shift_right(size_t, size_t);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___closed__2;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
@@ -122,7 +124,6 @@ static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___closed__2;
 lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwErrorIfErrors___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__7(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultLoop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3;
 LEAN_EXPORT lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__12;
@@ -130,11 +131,12 @@ size_t lean_uint64_to_usize(uint64_t);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___closed__3;
 lean_object* l_Std_PersistentHashMap_insert___at_Lean_instantiateMVarDeclMVars___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__5;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2___closed__2;
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_insert___at_Lean_Elab_assignInfoHoleId___spec__1(lean_object*, lean_object*, lean_object*);
@@ -153,7 +155,8 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallMetaTelescopeReducingAux(lean_object*, uint8_t, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733_(lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1;
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091_(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_assignExprMVar___at_Lean_Elab_Term_exprToSyntax___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -168,8 +171,9 @@ LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_SyntheticMVa
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePending___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__7;
-LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef___rarg___lambda__1___boxed(lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3;
 uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* l_Lean_replaceRef(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
@@ -184,9 +188,11 @@ static lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0_
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingInstances(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___closed__2;
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVarsNoPostponing___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldl___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__7___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__8(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_reportStuckSyntheticMVars(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_synthesizeSyntheticMVars_loop___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___lambda__1(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__5;
@@ -196,6 +202,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Synth
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_mkEmptyEntriesArray(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars_loop(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7;
 lean_object* l_Lean_Meta_isExprDefEqGuarded(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getDefaultInstancesPriorities___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_synthesizeSyntheticMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -210,6 +217,7 @@ LEAN_EXPORT uint8_t l_List_elem___at___private_Lean_Elab_SyntheticMVars_0__Lean_
 lean_object* l_Lean_Elab_getResetInfoTrees___at_Lean_Elab_Tactic_withTacticInfoContext___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__8;
+lean_object* lean_expr_dbg_to_string(lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__4;
 extern lean_object* l_Lean_instInhabitedExpr;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumeElabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -238,13 +246,13 @@ size_t lean_usize_of_nat(lean_object*);
 static lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__4;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_elem___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__3___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_runTactic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__14;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__2;
 size_t lean_usize_land(size_t, size_t);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forInAux___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_SimplePersistentEnvExtension_getState___rarg(lean_object*, lean_object*, lean_object*);
@@ -264,17 +272,14 @@ lean_object* l_Lean_Elab_Term_withoutPostponing___rarg(lean_object*, lean_object
 lean_object* l_Lean_Syntax_getPos_x3f(lean_object*, uint8_t);
 lean_object* l_Lean_Meta_withMVarContext___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__13;
-static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4;
 static lean_object* l_Lean_throwMaxRecDepthAt___at_Lean_Elab_Term_synthesizeSyntheticMVars_loop___spec__1___closed__1;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__21;
 lean_object* l_Std_PersistentArray_push___rarg(lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_instInhabitedInfoTree;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSomeUsingDefaultPrio_visit___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_find_x3f___rarg(lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
 lean_object* l_Lean_Elab_Term_traceAtCmdPos(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_postponeExceptionId;
 static lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__7;
@@ -291,6 +296,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize(lean_object*, lean_obje
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__15___closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__9___boxed(lean_object*, lean_object*, lean_object*);
@@ -306,6 +312,7 @@ lean_object* l_Lean_throwErrorAt___at___private_Lean_Elab_Binders_0__Lean_Elab_T
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__4___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesizeLight(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Meta_getDefaultInstances___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___at_Lean_Elab_Term_runTactic___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_withSavedContext___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -323,6 +330,7 @@ LEAN_EXPORT lean_object* l_Lean_occursCheck_visit___at___private_Lean_Elab_Synth
 lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_runTactic___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize___rarg(lean_object*, lean_object*, lean_object*, uint8_t);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef___rarg___closed__1;
 lean_object* lean_infer_type(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -345,19 +353,25 @@ static lean_object* l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_runTactic___spec__7(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_insert___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__4(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_reportStuckSyntheticMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 lean_object* l_List_lengthTRAux___rarg(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2;
 lean_object* l_ReaderT_pure___at_Lean_Elab_Term_addTermInfo___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVar(lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_getSomeSynthethicMVarsRef___rarg___lambda__1(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1;
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__22;
 LEAN_EXPORT uint8_t l_Std_HashSetImp_contains___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_Elab_Term_runTactic___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_moveEntries___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_throwStuckAtUniverseCnstr___spec__6(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getDefaultInstancesPriorities___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___spec__1___rarg(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3;
+static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5;
 LEAN_EXPORT lean_object* l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 uint8_t l_Std_PersistentArray_anyM___at_Lean_MessageLog_hasErrors___spec__1(lean_object*);
@@ -386,6 +400,7 @@ lean_object* l_List_appendTR___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_runTactic___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlMAux___at_Lean_Elab_Term_runTactic___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withSynthesize___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_withSynthesizeImp___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___lambda__2___closed__1;
@@ -1004,7 +1019,7 @@ return x_35;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
 x_36 = lean_ctor_get(x_18, 1);
 lean_inc(x_36);
 lean_dec(x_18);
@@ -1017,8 +1032,10 @@ lean_dec(x_21);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
 lean_dec(x_38);
-x_40 = l_Lean_occursCheck_visit___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__2(x_1, x_39, x_37, x_4, x_5, x_6, x_7, x_8, x_9, x_36);
-return x_40;
+x_2 = x_39;
+x_3 = x_37;
+x_10 = x_36;
+goto _start;
 }
 }
 else
@@ -3818,7 +3835,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar___lambda__1___closed__1;
 x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2___closed__1;
-x_3 = lean_unsigned_to_nat(96u);
+x_3 = lean_unsigned_to_nat(99u);
 x_4 = lean_unsigned_to_nat(33u);
 x_5 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar___lambda__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4184,125 +4201,112 @@ return x_35;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15, lean_object* x_16) {
 _start:
 {
-lean_object* x_16; 
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; uint8_t x_23; 
+lean_dec(x_9);
+x_17 = lean_ctor_get(x_12, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_12, 1);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_12, 2);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_12, 3);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_12, 4);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_12, 5);
+lean_inc(x_22);
+x_23 = !lean_is_exclusive(x_17);
+if (x_23 == 0)
+{
+uint8_t x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = 1;
+lean_ctor_set_uint8(x_17, 5, x_24);
+x_25 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_25, 0, x_17);
+lean_ctor_set(x_25, 1, x_18);
+lean_ctor_set(x_25, 2, x_19);
+lean_ctor_set(x_25, 3, x_20);
+lean_ctor_set(x_25, 4, x_21);
+lean_ctor_set(x_25, 5, x_22);
+lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
 lean_inc(x_2);
 lean_inc(x_1);
-x_16 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_11, x_12, x_13, x_14, x_15);
-if (lean_obj_tag(x_16) == 0)
+x_26 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_25, x_13, x_14, x_15, x_16);
+if (lean_obj_tag(x_26) == 0)
 {
-lean_object* x_17; uint8_t x_18; 
-x_17 = lean_ctor_get(x_16, 0);
-lean_inc(x_17);
-x_18 = lean_unbox(x_17);
-lean_dec(x_17);
-if (x_18 == 0)
+lean_object* x_27; uint8_t x_28; 
+x_27 = lean_ctor_get(x_26, 0);
+lean_inc(x_27);
+x_28 = lean_unbox(x_27);
+lean_dec(x_27);
+if (x_28 == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_16, 1);
-lean_inc(x_19);
-lean_dec(x_16);
-x_20 = lean_box(0);
-x_21 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2(x_3, x_1, x_2, x_4, x_5, x_6, x_7, x_8, x_20, x_9, x_10, x_11, x_12, x_13, x_14, x_19);
-return x_21;
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_26, 1);
+lean_inc(x_29);
+lean_dec(x_26);
+x_30 = lean_box(0);
+x_31 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2(x_3, x_1, x_2, x_4, x_5, x_6, x_7, x_8, x_30, x_10, x_11, x_12, x_13, x_14, x_15, x_29);
+return x_31;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; 
+lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_22 = lean_ctor_get(x_16, 1);
-lean_inc(x_22);
-lean_dec(x_16);
+x_32 = lean_ctor_get(x_26, 1);
+lean_inc(x_32);
+lean_dec(x_26);
+lean_inc(x_15);
 lean_inc(x_14);
 lean_inc(x_13);
 lean_inc(x_12);
 lean_inc(x_11);
 lean_inc(x_10);
-lean_inc(x_9);
 lean_inc(x_4);
-x_23 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_4, x_9, x_10, x_11, x_12, x_13, x_14, x_22);
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
+x_33 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_32);
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+x_35 = lean_unbox(x_34);
+lean_dec(x_34);
+if (x_35 == 0)
 {
-uint8_t x_26; 
+uint8_t x_36; 
+lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
 lean_dec(x_11);
 lean_dec(x_10);
-lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_4);
-x_26 = !lean_is_exclusive(x_23);
-if (x_26 == 0)
-{
-lean_object* x_27; uint8_t x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_23, 0);
-lean_dec(x_27);
-x_28 = 0;
-x_29 = lean_box(x_28);
-lean_ctor_set(x_23, 0, x_29);
-return x_23;
-}
-else
-{
-lean_object* x_30; uint8_t x_31; lean_object* x_32; lean_object* x_33; 
-x_30 = lean_ctor_get(x_23, 1);
-lean_inc(x_30);
-lean_dec(x_23);
-x_31 = 0;
-x_32 = lean_box(x_31);
-x_33 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_30);
-return x_33;
-}
-}
-else
-{
-lean_object* x_34; lean_object* x_35; uint8_t x_36; 
-x_34 = lean_ctor_get(x_23, 1);
-lean_inc(x_34);
-lean_dec(x_23);
-x_35 = l_Lean_assignExprMVar___at_Lean_Elab_Term_exprToSyntax___spec__2(x_8, x_4, x_9, x_10, x_11, x_12, x_13, x_14, x_34);
-lean_dec(x_14);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-x_36 = !lean_is_exclusive(x_35);
+x_36 = !lean_is_exclusive(x_33);
 if (x_36 == 0)
 {
 lean_object* x_37; uint8_t x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_35, 0);
+x_37 = lean_ctor_get(x_33, 0);
 lean_dec(x_37);
-x_38 = 1;
+x_38 = 0;
 x_39 = lean_box(x_38);
-lean_ctor_set(x_35, 0, x_39);
-return x_35;
+lean_ctor_set(x_33, 0, x_39);
+return x_33;
 }
 else
 {
 lean_object* x_40; uint8_t x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_35, 1);
+x_40 = lean_ctor_get(x_33, 1);
 lean_inc(x_40);
-lean_dec(x_35);
-x_41 = 1;
+lean_dec(x_33);
+x_41 = 0;
 x_42 = lean_box(x_41);
 x_43 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_43, 0, x_42);
@@ -4310,11 +4314,311 @@ lean_ctor_set(x_43, 1, x_40);
 return x_43;
 }
 }
+else
+{
+lean_object* x_44; lean_object* x_45; uint8_t x_46; 
+x_44 = lean_ctor_get(x_33, 1);
+lean_inc(x_44);
+lean_dec(x_33);
+x_45 = l_Lean_assignExprMVar___at_Lean_Elab_Term_exprToSyntax___spec__2(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_44);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+x_46 = !lean_is_exclusive(x_45);
+if (x_46 == 0)
+{
+lean_object* x_47; uint8_t x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_45, 0);
+lean_dec(x_47);
+x_48 = 1;
+x_49 = lean_box(x_48);
+lean_ctor_set(x_45, 0, x_49);
+return x_45;
+}
+else
+{
+lean_object* x_50; uint8_t x_51; lean_object* x_52; lean_object* x_53; 
+x_50 = lean_ctor_get(x_45, 1);
+lean_inc(x_50);
+lean_dec(x_45);
+x_51 = 1;
+x_52 = lean_box(x_51);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_52);
+lean_ctor_set(x_53, 1, x_50);
+return x_53;
+}
+}
 }
 }
 else
 {
-uint8_t x_44; 
+uint8_t x_54; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_54 = !lean_is_exclusive(x_26);
+if (x_54 == 0)
+{
+return x_26;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_26, 0);
+x_56 = lean_ctor_get(x_26, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_26);
+x_57 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_57, 0, x_55);
+lean_ctor_set(x_57, 1, x_56);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; uint8_t x_59; uint8_t x_60; uint8_t x_61; uint8_t x_62; uint8_t x_63; uint8_t x_64; uint8_t x_65; uint8_t x_66; uint8_t x_67; uint8_t x_68; uint8_t x_69; uint8_t x_70; uint8_t x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_58 = lean_ctor_get_uint8(x_17, 0);
+x_59 = lean_ctor_get_uint8(x_17, 1);
+x_60 = lean_ctor_get_uint8(x_17, 2);
+x_61 = lean_ctor_get_uint8(x_17, 3);
+x_62 = lean_ctor_get_uint8(x_17, 4);
+x_63 = lean_ctor_get_uint8(x_17, 6);
+x_64 = lean_ctor_get_uint8(x_17, 7);
+x_65 = lean_ctor_get_uint8(x_17, 8);
+x_66 = lean_ctor_get_uint8(x_17, 9);
+x_67 = lean_ctor_get_uint8(x_17, 10);
+x_68 = lean_ctor_get_uint8(x_17, 11);
+x_69 = lean_ctor_get_uint8(x_17, 12);
+x_70 = lean_ctor_get_uint8(x_17, 13);
+lean_dec(x_17);
+x_71 = 1;
+x_72 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_72, 0, x_58);
+lean_ctor_set_uint8(x_72, 1, x_59);
+lean_ctor_set_uint8(x_72, 2, x_60);
+lean_ctor_set_uint8(x_72, 3, x_61);
+lean_ctor_set_uint8(x_72, 4, x_62);
+lean_ctor_set_uint8(x_72, 5, x_71);
+lean_ctor_set_uint8(x_72, 6, x_63);
+lean_ctor_set_uint8(x_72, 7, x_64);
+lean_ctor_set_uint8(x_72, 8, x_65);
+lean_ctor_set_uint8(x_72, 9, x_66);
+lean_ctor_set_uint8(x_72, 10, x_67);
+lean_ctor_set_uint8(x_72, 11, x_68);
+lean_ctor_set_uint8(x_72, 12, x_69);
+lean_ctor_set_uint8(x_72, 13, x_70);
+x_73 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_73, 0, x_72);
+lean_ctor_set(x_73, 1, x_18);
+lean_ctor_set(x_73, 2, x_19);
+lean_ctor_set(x_73, 3, x_20);
+lean_ctor_set(x_73, 4, x_21);
+lean_ctor_set(x_73, 5, x_22);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_2);
+lean_inc(x_1);
+x_74 = l_Lean_Meta_isExprDefEq(x_1, x_2, x_73, x_13, x_14, x_15, x_16);
+if (lean_obj_tag(x_74) == 0)
+{
+lean_object* x_75; uint8_t x_76; 
+x_75 = lean_ctor_get(x_74, 0);
+lean_inc(x_75);
+x_76 = lean_unbox(x_75);
+lean_dec(x_75);
+if (x_76 == 0)
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_77 = lean_ctor_get(x_74, 1);
+lean_inc(x_77);
+lean_dec(x_74);
+x_78 = lean_box(0);
+x_79 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__2(x_3, x_1, x_2, x_4, x_5, x_6, x_7, x_8, x_78, x_10, x_11, x_12, x_13, x_14, x_15, x_77);
+return x_79;
+}
+else
+{
+lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_80 = lean_ctor_get(x_74, 1);
+lean_inc(x_80);
+lean_dec(x_74);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_4);
+x_81 = l_Lean_occursCheck___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_resumePostponed___spec__1(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_80);
+x_82 = lean_ctor_get(x_81, 0);
+lean_inc(x_82);
+x_83 = lean_unbox(x_82);
+lean_dec(x_82);
+if (x_83 == 0)
+{
+lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_4);
+x_84 = lean_ctor_get(x_81, 1);
+lean_inc(x_84);
+if (lean_is_exclusive(x_81)) {
+ lean_ctor_release(x_81, 0);
+ lean_ctor_release(x_81, 1);
+ x_85 = x_81;
+} else {
+ lean_dec_ref(x_81);
+ x_85 = lean_box(0);
+}
+x_86 = 0;
+x_87 = lean_box(x_86);
+if (lean_is_scalar(x_85)) {
+ x_88 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_88 = x_85;
+}
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_84);
+return x_88;
+}
+else
+{
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; lean_object* x_94; lean_object* x_95; 
+x_89 = lean_ctor_get(x_81, 1);
+lean_inc(x_89);
+lean_dec(x_81);
+x_90 = l_Lean_assignExprMVar___at_Lean_Elab_Term_exprToSyntax___spec__2(x_8, x_4, x_10, x_11, x_12, x_13, x_14, x_15, x_89);
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+x_91 = lean_ctor_get(x_90, 1);
+lean_inc(x_91);
+if (lean_is_exclusive(x_90)) {
+ lean_ctor_release(x_90, 0);
+ lean_ctor_release(x_90, 1);
+ x_92 = x_90;
+} else {
+ lean_dec_ref(x_90);
+ x_92 = lean_box(0);
+}
+x_93 = 1;
+x_94 = lean_box(x_93);
+if (lean_is_scalar(x_92)) {
+ x_95 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_95 = x_92;
+}
+lean_ctor_set(x_95, 0, x_94);
+lean_ctor_set(x_95, 1, x_91);
+return x_95;
+}
+}
+}
+else
+{
+lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+lean_dec(x_15);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_96 = lean_ctor_get(x_74, 0);
+lean_inc(x_96);
+x_97 = lean_ctor_get(x_74, 1);
+lean_inc(x_97);
+if (lean_is_exclusive(x_74)) {
+ lean_ctor_release(x_74, 0);
+ lean_ctor_release(x_74, 1);
+ x_98 = x_74;
+} else {
+ lean_dec_ref(x_74);
+ x_98 = lean_box(0);
+}
+if (lean_is_scalar(x_98)) {
+ x_99 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_99 = x_98;
+}
+lean_ctor_set(x_99, 0, x_96);
+lean_ctor_set(x_99, 1, x_97);
+return x_99;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13, lean_object* x_14, lean_object* x_15) {
+_start:
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; 
+x_16 = l_Lean_instantiateMVars___at_Lean_Elab_Term_MVarErrorInfo_logError___spec__1(x_1, x_9, x_10, x_11, x_12, x_13, x_14, x_15);
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_16, 1);
+lean_inc(x_18);
+lean_dec(x_16);
+x_19 = l_Lean_Meta_isSyntheticMVar(x_17, x_11, x_12, x_13, x_14, x_18);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_unbox(x_20);
+lean_dec(x_20);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_23 = lean_box(0);
+x_24 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3(x_2, x_17, x_3, x_4, x_5, x_6, x_7, x_8, x_23, x_9, x_10, x_11, x_12, x_13, x_14, x_22);
+return x_24;
+}
+else
+{
+uint8_t x_25; 
+lean_dec(x_17);
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_12);
@@ -4328,24 +4632,66 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-lean_dec(x_1);
-x_44 = !lean_is_exclusive(x_16);
-if (x_44 == 0)
+x_25 = !lean_is_exclusive(x_19);
+if (x_25 == 0)
 {
-return x_16;
+lean_object* x_26; uint8_t x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_19, 0);
+lean_dec(x_26);
+x_27 = 0;
+x_28 = lean_box(x_27);
+lean_ctor_set(x_19, 0, x_28);
+return x_19;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_16, 0);
-x_46 = lean_ctor_get(x_16, 1);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_16);
-x_47 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_47, 0, x_45);
-lean_ctor_set(x_47, 1, x_46);
-return x_47;
+lean_object* x_29; uint8_t x_30; lean_object* x_31; lean_object* x_32; 
+x_29 = lean_ctor_get(x_19, 1);
+lean_inc(x_29);
+lean_dec(x_19);
+x_30 = 0;
+x_31 = lean_box(x_30);
+x_32 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_32, 0, x_31);
+lean_ctor_set(x_32, 1, x_29);
+return x_32;
+}
+}
+}
+else
+{
+uint8_t x_33; 
+lean_dec(x_17);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_33 = !lean_is_exclusive(x_19);
+if (x_33 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_34 = lean_ctor_get(x_19, 0);
+x_35 = lean_ctor_get(x_19, 1);
+lean_inc(x_35);
+lean_inc(x_34);
+lean_dec(x_19);
+x_36 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
 }
 }
 }
@@ -4358,9 +4704,9 @@ x_15 = l_Lean_Expr_appArg_x21(x_3);
 x_16 = l_Lean_Expr_mvarId_x21(x_15);
 lean_dec(x_15);
 lean_inc(x_16);
-x_17 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__3), 15, 8);
-lean_closure_set(x_17, 0, x_4);
-lean_closure_set(x_17, 1, x_5);
+x_17 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingCoeInstMVar___lambda__4), 15, 8);
+lean_closure_set(x_17, 0, x_5);
+lean_closure_set(x_17, 1, x_4);
 lean_closure_set(x_17, 2, x_2);
 lean_closure_set(x_17, 3, x_6);
 lean_closure_set(x_17, 4, x_7);
@@ -6150,7 +6496,730 @@ return x_35;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
+_start:
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+lean_dec(x_3);
+x_11 = lean_box(0);
+x_12 = lean_array_get_size(x_1);
+x_13 = lean_unsigned_to_nat(0u);
+x_14 = lean_unsigned_to_nat(1u);
+lean_inc(x_12);
+x_15 = l_Std_Range_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___spec__1(x_2, x_1, x_12, x_13, x_12, x_14, x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_10);
+lean_dec(x_12);
+lean_dec(x_1);
+lean_dec(x_2);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_15, 1);
+lean_inc(x_17);
+lean_dec(x_15);
+x_18 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePending(x_16, x_4, x_5, x_6, x_7, x_8, x_9, x_17);
+return x_18;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("isDefEq worked ", 15);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(" : ", 3);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(" =?= ", 5);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("", 0);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
+lean_dec(x_6);
+x_14 = l_Lean_mkMVar(x_1);
+x_15 = lean_ctor_get(x_9, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_9, 1);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_9, 2);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_9, 3);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_9, 4);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_9, 5);
+lean_inc(x_20);
+x_21 = !lean_is_exclusive(x_15);
+if (x_21 == 0)
+{
+uint8_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; uint8_t x_26; 
+x_22 = 1;
+lean_ctor_set_uint8(x_15, 10, x_22);
+x_23 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_23, 0, x_15);
+lean_ctor_set(x_23, 1, x_16);
+lean_ctor_set(x_23, 2, x_17);
+lean_ctor_set(x_23, 3, x_18);
+lean_ctor_set(x_23, 4, x_19);
+lean_ctor_set(x_23, 5, x_20);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_2);
+lean_inc(x_14);
+x_24 = l_Lean_Meta_isExprDefEqGuarded(x_14, x_2, x_23, x_10, x_11, x_12, x_13);
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_unbox(x_25);
+lean_dec(x_25);
+if (x_26 == 0)
+{
+uint8_t x_27; 
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_27 = !lean_is_exclusive(x_24);
+if (x_27 == 0)
+{
+lean_object* x_28; uint8_t x_29; lean_object* x_30; 
+x_28 = lean_ctor_get(x_24, 0);
+lean_dec(x_28);
+x_29 = 0;
+x_30 = lean_box(x_29);
+lean_ctor_set(x_24, 0, x_30);
+return x_24;
+}
+else
+{
+lean_object* x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; 
+x_31 = lean_ctor_get(x_24, 1);
+lean_inc(x_31);
+lean_dec(x_24);
+x_32 = 0;
+x_33 = lean_box(x_32);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_31);
+return x_34;
+}
+}
+else
+{
+lean_object* x_35; uint8_t x_36; lean_object* x_37; lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; 
+x_35 = lean_ctor_get(x_24, 1);
+lean_inc(x_35);
+lean_dec(x_24);
+x_75 = lean_st_ref_get(x_12, x_35);
+x_76 = lean_ctor_get(x_75, 0);
+lean_inc(x_76);
+x_77 = lean_ctor_get(x_76, 3);
+lean_inc(x_77);
+lean_dec(x_76);
+x_78 = lean_ctor_get_uint8(x_77, sizeof(void*)*1);
+lean_dec(x_77);
+if (x_78 == 0)
+{
+lean_object* x_79; uint8_t x_80; 
+x_79 = lean_ctor_get(x_75, 1);
+lean_inc(x_79);
+lean_dec(x_75);
+x_80 = 0;
+x_36 = x_80;
+x_37 = x_79;
+goto block_74;
+}
+else
+{
+lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; 
+x_81 = lean_ctor_get(x_75, 1);
+lean_inc(x_81);
+lean_dec(x_75);
+lean_inc(x_5);
+x_82 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_81);
+x_83 = lean_ctor_get(x_82, 0);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_82, 1);
+lean_inc(x_84);
+lean_dec(x_82);
+x_85 = lean_unbox(x_83);
+lean_dec(x_83);
+x_36 = x_85;
+x_37 = x_84;
+goto block_74;
+}
+block_74:
+{
+if (x_36 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+lean_dec(x_14);
+lean_dec(x_5);
+lean_dec(x_2);
+x_38 = lean_box(0);
+x_39 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(x_3, x_4, x_38, x_7, x_8, x_9, x_10, x_11, x_12, x_37);
+return x_39;
+}
+else
+{
+lean_object* x_40; 
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_14);
+x_40 = lean_infer_type(x_14, x_9, x_10, x_11, x_12, x_37);
+if (lean_obj_tag(x_40) == 0)
+{
+lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+lean_dec(x_40);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_2);
+x_43 = lean_infer_type(x_2, x_9, x_10, x_11, x_12, x_42);
+if (lean_obj_tag(x_43) == 0)
+{
+lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_44 = lean_ctor_get(x_43, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_43, 1);
+lean_inc(x_45);
+lean_dec(x_43);
+x_46 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_46, 0, x_14);
+x_47 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2;
+x_48 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_46);
+x_49 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4;
+x_50 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+x_51 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_51, 0, x_41);
+x_52 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_52, 0, x_50);
+lean_ctor_set(x_52, 1, x_51);
+x_53 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6;
+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_55, 0, x_2);
+x_56 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_49);
+x_58 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_58, 0, x_44);
+x_59 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_58);
+x_60 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
+x_61 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+x_62 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_61, x_7, x_8, x_9, x_10, x_11, x_12, x_45);
+x_63 = lean_ctor_get(x_62, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_62, 1);
+lean_inc(x_64);
+lean_dec(x_62);
+x_65 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(x_3, x_4, x_63, x_7, x_8, x_9, x_10, x_11, x_12, x_64);
+return x_65;
+}
+else
+{
+uint8_t x_66; 
+lean_dec(x_41);
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_66 = !lean_is_exclusive(x_43);
+if (x_66 == 0)
+{
+return x_43;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_67 = lean_ctor_get(x_43, 0);
+x_68 = lean_ctor_get(x_43, 1);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_dec(x_43);
+x_69 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_69, 0, x_67);
+lean_ctor_set(x_69, 1, x_68);
+return x_69;
+}
+}
+}
+else
+{
+uint8_t x_70; 
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_70 = !lean_is_exclusive(x_40);
+if (x_70 == 0)
+{
+return x_40;
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; 
+x_71 = lean_ctor_get(x_40, 0);
+x_72 = lean_ctor_get(x_40, 1);
+lean_inc(x_72);
+lean_inc(x_71);
+lean_dec(x_40);
+x_73 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_73, 0, x_71);
+lean_ctor_set(x_73, 1, x_72);
+return x_73;
+}
+}
+}
+}
+}
+}
+else
+{
+uint8_t x_86; uint8_t x_87; uint8_t x_88; uint8_t x_89; uint8_t x_90; uint8_t x_91; uint8_t x_92; uint8_t x_93; uint8_t x_94; uint8_t x_95; uint8_t x_96; uint8_t x_97; uint8_t x_98; uint8_t x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
+x_86 = lean_ctor_get_uint8(x_15, 0);
+x_87 = lean_ctor_get_uint8(x_15, 1);
+x_88 = lean_ctor_get_uint8(x_15, 2);
+x_89 = lean_ctor_get_uint8(x_15, 3);
+x_90 = lean_ctor_get_uint8(x_15, 4);
+x_91 = lean_ctor_get_uint8(x_15, 5);
+x_92 = lean_ctor_get_uint8(x_15, 6);
+x_93 = lean_ctor_get_uint8(x_15, 7);
+x_94 = lean_ctor_get_uint8(x_15, 8);
+x_95 = lean_ctor_get_uint8(x_15, 9);
+x_96 = lean_ctor_get_uint8(x_15, 11);
+x_97 = lean_ctor_get_uint8(x_15, 12);
+x_98 = lean_ctor_get_uint8(x_15, 13);
+lean_dec(x_15);
+x_99 = 1;
+x_100 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_100, 0, x_86);
+lean_ctor_set_uint8(x_100, 1, x_87);
+lean_ctor_set_uint8(x_100, 2, x_88);
+lean_ctor_set_uint8(x_100, 3, x_89);
+lean_ctor_set_uint8(x_100, 4, x_90);
+lean_ctor_set_uint8(x_100, 5, x_91);
+lean_ctor_set_uint8(x_100, 6, x_92);
+lean_ctor_set_uint8(x_100, 7, x_93);
+lean_ctor_set_uint8(x_100, 8, x_94);
+lean_ctor_set_uint8(x_100, 9, x_95);
+lean_ctor_set_uint8(x_100, 10, x_99);
+lean_ctor_set_uint8(x_100, 11, x_96);
+lean_ctor_set_uint8(x_100, 12, x_97);
+lean_ctor_set_uint8(x_100, 13, x_98);
+x_101 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_16);
+lean_ctor_set(x_101, 2, x_17);
+lean_ctor_set(x_101, 3, x_18);
+lean_ctor_set(x_101, 4, x_19);
+lean_ctor_set(x_101, 5, x_20);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_2);
+lean_inc(x_14);
+x_102 = l_Lean_Meta_isExprDefEqGuarded(x_14, x_2, x_101, x_10, x_11, x_12, x_13);
+x_103 = lean_ctor_get(x_102, 0);
+lean_inc(x_103);
+x_104 = lean_unbox(x_103);
+lean_dec(x_103);
+if (x_104 == 0)
+{
+lean_object* x_105; lean_object* x_106; uint8_t x_107; lean_object* x_108; lean_object* x_109; 
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_105 = lean_ctor_get(x_102, 1);
+lean_inc(x_105);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_106 = x_102;
+} else {
+ lean_dec_ref(x_102);
+ x_106 = lean_box(0);
+}
+x_107 = 0;
+x_108 = lean_box(x_107);
+if (lean_is_scalar(x_106)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_109 = x_106;
+}
+lean_ctor_set(x_109, 0, x_108);
+lean_ctor_set(x_109, 1, x_105);
+return x_109;
+}
+else
+{
+lean_object* x_110; uint8_t x_111; lean_object* x_112; lean_object* x_150; lean_object* x_151; lean_object* x_152; uint8_t x_153; 
+x_110 = lean_ctor_get(x_102, 1);
+lean_inc(x_110);
+lean_dec(x_102);
+x_150 = lean_st_ref_get(x_12, x_110);
+x_151 = lean_ctor_get(x_150, 0);
+lean_inc(x_151);
+x_152 = lean_ctor_get(x_151, 3);
+lean_inc(x_152);
+lean_dec(x_151);
+x_153 = lean_ctor_get_uint8(x_152, sizeof(void*)*1);
+lean_dec(x_152);
+if (x_153 == 0)
+{
+lean_object* x_154; uint8_t x_155; 
+x_154 = lean_ctor_get(x_150, 1);
+lean_inc(x_154);
+lean_dec(x_150);
+x_155 = 0;
+x_111 = x_155;
+x_112 = x_154;
+goto block_149;
+}
+else
+{
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; uint8_t x_160; 
+x_156 = lean_ctor_get(x_150, 1);
+lean_inc(x_156);
+lean_dec(x_150);
+lean_inc(x_5);
+x_157 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_156);
+x_158 = lean_ctor_get(x_157, 0);
+lean_inc(x_158);
+x_159 = lean_ctor_get(x_157, 1);
+lean_inc(x_159);
+lean_dec(x_157);
+x_160 = lean_unbox(x_158);
+lean_dec(x_158);
+x_111 = x_160;
+x_112 = x_159;
+goto block_149;
+}
+block_149:
+{
+if (x_111 == 0)
+{
+lean_object* x_113; lean_object* x_114; 
+lean_dec(x_14);
+lean_dec(x_5);
+lean_dec(x_2);
+x_113 = lean_box(0);
+x_114 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(x_3, x_4, x_113, x_7, x_8, x_9, x_10, x_11, x_12, x_112);
+return x_114;
+}
+else
+{
+lean_object* x_115; 
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_14);
+x_115 = lean_infer_type(x_14, x_9, x_10, x_11, x_12, x_112);
+if (lean_obj_tag(x_115) == 0)
+{
+lean_object* x_116; lean_object* x_117; lean_object* x_118; 
+x_116 = lean_ctor_get(x_115, 0);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_115, 1);
+lean_inc(x_117);
+lean_dec(x_115);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_inc(x_9);
+lean_inc(x_2);
+x_118 = lean_infer_type(x_2, x_9, x_10, x_11, x_12, x_117);
+if (lean_obj_tag(x_118) == 0)
+{
+lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+x_119 = lean_ctor_get(x_118, 0);
+lean_inc(x_119);
+x_120 = lean_ctor_get(x_118, 1);
+lean_inc(x_120);
+lean_dec(x_118);
+x_121 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_121, 0, x_14);
+x_122 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2;
+x_123 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_121);
+x_124 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4;
+x_125 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_125, 0, x_123);
+lean_ctor_set(x_125, 1, x_124);
+x_126 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_126, 0, x_116);
+x_127 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_127, 0, x_125);
+lean_ctor_set(x_127, 1, x_126);
+x_128 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6;
+x_129 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_129, 0, x_127);
+lean_ctor_set(x_129, 1, x_128);
+x_130 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_130, 0, x_2);
+x_131 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_131, 0, x_129);
+lean_ctor_set(x_131, 1, x_130);
+x_132 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_132, 0, x_131);
+lean_ctor_set(x_132, 1, x_124);
+x_133 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_133, 0, x_119);
+x_134 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_134, 0, x_132);
+lean_ctor_set(x_134, 1, x_133);
+x_135 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
+x_136 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_136, 0, x_134);
+lean_ctor_set(x_136, 1, x_135);
+x_137 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_5, x_136, x_7, x_8, x_9, x_10, x_11, x_12, x_120);
+x_138 = lean_ctor_get(x_137, 0);
+lean_inc(x_138);
+x_139 = lean_ctor_get(x_137, 1);
+lean_inc(x_139);
+lean_dec(x_137);
+x_140 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1(x_3, x_4, x_138, x_7, x_8, x_9, x_10, x_11, x_12, x_139);
+return x_140;
+}
+else
+{
+lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; 
+lean_dec(x_116);
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_141 = lean_ctor_get(x_118, 0);
+lean_inc(x_141);
+x_142 = lean_ctor_get(x_118, 1);
+lean_inc(x_142);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_143 = x_118;
+} else {
+ lean_dec_ref(x_118);
+ x_143 = lean_box(0);
+}
+if (lean_is_scalar(x_143)) {
+ x_144 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_144 = x_143;
+}
+lean_ctor_set(x_144, 0, x_141);
+lean_ctor_set(x_144, 1, x_142);
+return x_144;
+}
+}
+else
+{
+lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; 
+lean_dec(x_14);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_145 = lean_ctor_get(x_115, 0);
+lean_inc(x_145);
+x_146 = lean_ctor_get(x_115, 1);
+lean_inc(x_146);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_147 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_147 = lean_box(0);
+}
+if (lean_is_scalar(x_147)) {
+ x_148 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_148 = x_147;
+}
+lean_ctor_set(x_148, 0, x_145);
+lean_ctor_set(x_148, 1, x_146);
+return x_148;
+}
+}
+}
+}
+}
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("Elab", 4);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("defaultInstance", 15);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(", ", 2);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
 lean_object* x_10; 
@@ -6191,7 +7260,7 @@ lean_inc(x_5);
 x_19 = l___private_Lean_Meta_Basic_0__Lean_Meta_forallMetaTelescopeReducingAux(x_14, x_17, x_16, x_18, x_5, x_6, x_7, x_8, x_15);
 if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; uint8_t x_29; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
 x_20 = lean_ctor_get(x_19, 0);
 lean_inc(x_20);
 x_21 = lean_ctor_get(x_20, 1);
@@ -6207,19 +7276,147 @@ lean_inc(x_24);
 lean_dec(x_21);
 lean_inc(x_23);
 x_25 = l_Lean_mkAppN(x_11, x_23);
-x_26 = l_Lean_mkMVar(x_2);
+x_26 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4;
+x_71 = lean_st_ref_get(x_8, x_22);
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_72, 3);
+lean_inc(x_73);
+lean_dec(x_72);
+x_74 = lean_ctor_get_uint8(x_73, sizeof(void*)*1);
+lean_dec(x_73);
+if (x_74 == 0)
+{
+lean_object* x_75; uint8_t x_76; 
+x_75 = lean_ctor_get(x_71, 1);
+lean_inc(x_75);
+lean_dec(x_71);
+x_76 = 0;
+x_27 = x_76;
+x_28 = x_75;
+goto block_70;
+}
+else
+{
+lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; 
+x_77 = lean_ctor_get(x_71, 1);
+lean_inc(x_77);
+lean_dec(x_71);
+x_78 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_26, x_3, x_4, x_5, x_6, x_7, x_8, x_77);
+x_79 = lean_ctor_get(x_78, 0);
+lean_inc(x_79);
+x_80 = lean_ctor_get(x_78, 1);
+lean_inc(x_80);
+lean_dec(x_78);
+x_81 = lean_unbox(x_79);
+lean_dec(x_79);
+x_27 = x_81;
+x_28 = x_80;
+goto block_70;
+}
+block_70:
+{
+if (x_27 == 0)
+{
+lean_object* x_29; lean_object* x_30; 
+x_29 = lean_box(0);
+x_30 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2(x_2, x_25, x_24, x_23, x_26, x_29, x_3, x_4, x_5, x_6, x_7, x_8, x_28);
+return x_30;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; 
+lean_inc(x_2);
+x_31 = l_Lean_mkMVar(x_2);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
 lean_inc(x_5);
-x_27 = l_Lean_Meta_isExprDefEqGuarded(x_26, x_25, x_5, x_6, x_7, x_8, x_22);
-x_28 = lean_ctor_get(x_27, 0);
-lean_inc(x_28);
-x_29 = lean_unbox(x_28);
-lean_dec(x_28);
-if (x_29 == 0)
+lean_inc(x_31);
+x_32 = lean_infer_type(x_31, x_5, x_6, x_7, x_8, x_28);
+if (lean_obj_tag(x_32) == 0)
 {
-uint8_t x_30; 
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_32, 1);
+lean_inc(x_34);
+lean_dec(x_32);
+lean_inc(x_8);
+lean_inc(x_7);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_25);
+x_35 = lean_infer_type(x_25, x_5, x_6, x_7, x_8, x_34);
+if (lean_obj_tag(x_35) == 0)
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_38 = lean_expr_dbg_to_string(x_31);
+x_39 = l_Lean_stringToMessageData(x_38);
+lean_dec(x_38);
+x_40 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
+x_41 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_41, 0, x_40);
+lean_ctor_set(x_41, 1, x_39);
+x_42 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6;
+x_43 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+x_44 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_44, 0, x_31);
+x_45 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_45, 0, x_43);
+lean_ctor_set(x_45, 1, x_44);
+x_46 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4;
+x_47 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_47, 0, x_45);
+lean_ctor_set(x_47, 1, x_46);
+x_48 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_48, 0, x_33);
+x_49 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
+x_50 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6;
+x_51 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+lean_inc(x_25);
+x_52 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_52, 0, x_25);
+x_53 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_53, 0, x_51);
+lean_ctor_set(x_53, 1, x_52);
+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_46);
+x_55 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_55, 0, x_36);
+x_56 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_56, 0, x_54);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_40);
+x_58 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_26, x_57, x_3, x_4, x_5, x_6, x_7, x_8, x_37);
+x_59 = lean_ctor_get(x_58, 0);
+lean_inc(x_59);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2(x_2, x_25, x_24, x_23, x_26, x_59, x_3, x_4, x_5, x_6, x_7, x_8, x_60);
+return x_61;
+}
+else
+{
+uint8_t x_62; 
+lean_dec(x_33);
+lean_dec(x_31);
+lean_dec(x_25);
 lean_dec(x_24);
 lean_dec(x_23);
 lean_dec(x_8);
@@ -6228,58 +7425,66 @@ lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_30 = !lean_is_exclusive(x_27);
-if (x_30 == 0)
+lean_dec(x_2);
+x_62 = !lean_is_exclusive(x_35);
+if (x_62 == 0)
 {
-lean_object* x_31; uint8_t x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_27, 0);
+return x_35;
+}
+else
+{
+lean_object* x_63; lean_object* x_64; lean_object* x_65; 
+x_63 = lean_ctor_get(x_35, 0);
+x_64 = lean_ctor_get(x_35, 1);
+lean_inc(x_64);
+lean_inc(x_63);
+lean_dec(x_35);
+x_65 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_65, 0, x_63);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
+}
+}
+}
+else
+{
+uint8_t x_66; 
 lean_dec(x_31);
-x_32 = 0;
-x_33 = lean_box(x_32);
-lean_ctor_set(x_27, 0, x_33);
-return x_27;
-}
-else
-{
-lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; 
-x_34 = lean_ctor_get(x_27, 1);
-lean_inc(x_34);
-lean_dec(x_27);
-x_35 = 0;
-x_36 = lean_box(x_35);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_34);
-return x_37;
-}
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_38 = lean_ctor_get(x_27, 1);
-lean_inc(x_38);
-lean_dec(x_27);
-x_39 = lean_box(0);
-x_40 = lean_array_get_size(x_24);
-x_41 = lean_unsigned_to_nat(0u);
-x_42 = lean_unsigned_to_nat(1u);
-lean_inc(x_40);
-x_43 = l_Std_Range_forIn_loop___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___spec__1(x_23, x_24, x_40, x_41, x_40, x_42, x_39, x_3, x_4, x_5, x_6, x_7, x_8, x_38);
-lean_dec(x_40);
+lean_dec(x_25);
 lean_dec(x_24);
 lean_dec(x_23);
-x_44 = lean_ctor_get(x_43, 0);
-lean_inc(x_44);
-x_45 = lean_ctor_get(x_43, 1);
-lean_inc(x_45);
-lean_dec(x_43);
-x_46 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePending(x_44, x_3, x_4, x_5, x_6, x_7, x_8, x_45);
-return x_46;
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+x_66 = !lean_is_exclusive(x_32);
+if (x_66 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_67 = lean_ctor_get(x_32, 0);
+x_68 = lean_ctor_get(x_32, 1);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_dec(x_32);
+x_69 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_69, 0, x_67);
+lean_ctor_set(x_69, 1, x_68);
+return x_69;
+}
+}
+}
 }
 }
 else
 {
-uint8_t x_47; 
+uint8_t x_82; 
 lean_dec(x_11);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -6288,29 +7493,29 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_47 = !lean_is_exclusive(x_19);
-if (x_47 == 0)
+x_82 = !lean_is_exclusive(x_19);
+if (x_82 == 0)
 {
 return x_19;
 }
 else
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_19, 0);
-x_49 = lean_ctor_get(x_19, 1);
-lean_inc(x_49);
-lean_inc(x_48);
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_19, 0);
+x_84 = lean_ctor_get(x_19, 1);
+lean_inc(x_84);
+lean_inc(x_83);
 lean_dec(x_19);
-x_50 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_50, 0, x_48);
-lean_ctor_set(x_50, 1, x_49);
-return x_50;
+x_85 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_85, 0, x_83);
+lean_ctor_set(x_85, 1, x_84);
+return x_85;
 }
 }
 }
 else
 {
-uint8_t x_51; 
+uint8_t x_86; 
 lean_dec(x_11);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -6319,29 +7524,29 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_51 = !lean_is_exclusive(x_13);
-if (x_51 == 0)
+x_86 = !lean_is_exclusive(x_13);
+if (x_86 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_13, 0);
-x_53 = lean_ctor_get(x_13, 1);
-lean_inc(x_53);
-lean_inc(x_52);
+lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_87 = lean_ctor_get(x_13, 0);
+x_88 = lean_ctor_get(x_13, 1);
+lean_inc(x_88);
+lean_inc(x_87);
 lean_dec(x_13);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
+x_89 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_89, 0, x_87);
+lean_ctor_set(x_89, 1, x_88);
+return x_89;
 }
 }
 }
 else
 {
-uint8_t x_55; 
+uint8_t x_90; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -6349,23 +7554,23 @@ lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_10);
-if (x_55 == 0)
+x_90 = !lean_is_exclusive(x_10);
+if (x_90 == 0)
 {
 return x_10;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_10, 0);
-x_57 = lean_ctor_get(x_10, 1);
-lean_inc(x_57);
-lean_inc(x_56);
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_10, 0);
+x_92 = lean_ctor_get(x_10, 1);
+lean_inc(x_92);
+lean_inc(x_91);
 lean_dec(x_10);
-x_58 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_58, 0, x_56);
-lean_ctor_set(x_58, 1, x_57);
-return x_58;
+x_93 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_93, 0, x_91);
+lean_ctor_set(x_93, 1, x_92);
+return x_93;
 }
 }
 }
@@ -6374,7 +7579,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_
 _start:
 {
 lean_object* x_10; lean_object* x_11; 
-x_10 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__1), 9, 2);
+x_10 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3), 9, 2);
 lean_closure_set(x_10, 0, x_2);
 lean_closure_set(x_10, 1, x_1);
 x_11 = l_Lean_commitWhen___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizePendingInstMVar_x27___spec__1(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
@@ -7966,23 +9171,6 @@ x_2 = l_Lean_stringToMessageData(x_1);
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("", 0);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
-return x_2;
-}
-}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -8016,7 +9204,7 @@ x_20 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2;
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_20);
 lean_ctor_set(x_21, 1, x_19);
-x_22 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_22 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
@@ -8056,7 +9244,7 @@ x_32 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2;
 x_33 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_33, 0, x_32);
 lean_ctor_set(x_33, 1, x_31);
-x_34 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_34 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_35 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_35, 0, x_33);
 lean_ctor_set(x_35, 1, x_34);
@@ -8143,7 +9331,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar___lambda__1___closed__1;
 x_2 = l_Lean_Elab_Term_reportStuckSyntheticMVar___closed__1;
-x_3 = lean_unsigned_to_nat(243u);
+x_3 = lean_unsigned_to_nat(251u);
 x_4 = lean_unsigned_to_nat(11u);
 x_5 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizePendingInstMVar___lambda__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -12380,7 +13568,7 @@ x_76 = l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Te
 x_77 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_77, 0, x_76);
 lean_ctor_set(x_77, 1, x_75);
-x_78 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_78 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_79 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_79, 0, x_77);
 lean_ctor_set(x_79, 1, x_78);
@@ -12412,7 +13600,7 @@ x_86 = lean_ctor_get(x_81, 1);
 lean_inc(x_86);
 lean_dec(x_81);
 lean_inc(x_24);
-x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
+x_87 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_86);
 x_88 = lean_ctor_get(x_87, 0);
 lean_inc(x_88);
 x_89 = lean_unbox(x_88);
@@ -12450,7 +13638,7 @@ x_94 = lean_ctor_get(x_92, 1);
 lean_inc(x_94);
 lean_dec(x_92);
 lean_inc(x_24);
-x_95 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_24, x_93, x_6, x_7, x_8, x_9, x_10, x_11, x_94);
+x_95 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_24, x_93, x_6, x_7, x_8, x_9, x_10, x_11, x_94);
 x_96 = lean_ctor_get(x_95, 1);
 lean_inc(x_96);
 lean_dec(x_95);
@@ -12564,7 +13752,7 @@ x_63 = lean_ctor_get(x_57, 1);
 lean_inc(x_63);
 lean_dec(x_57);
 lean_inc(x_24);
-x_64 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_63);
+x_64 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_24, x_6, x_7, x_8, x_9, x_10, x_11, x_63);
 x_65 = lean_ctor_get(x_64, 0);
 lean_inc(x_65);
 x_66 = lean_ctor_get(x_64, 1);
@@ -12605,7 +13793,7 @@ if (x_37 == 0)
 {
 lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint8_t x_46; 
 x_38 = l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__4;
-x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_24, x_38, x_6, x_7, x_8, x_9, x_10, x_11, x_30);
+x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_24, x_38, x_6, x_7, x_8, x_9, x_10, x_11, x_30);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -12630,7 +13818,7 @@ else
 {
 lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
 x_47 = l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1___closed__7;
-x_48 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_24, x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_30);
+x_48 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_24, x_47, x_6, x_7, x_8, x_9, x_10, x_11, x_30);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
@@ -12795,7 +13983,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__10;
-x_2 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_3 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -12847,7 +14035,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__15;
-x_2 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_3 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -12895,7 +14083,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__19;
-x_2 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_3 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -12919,7 +14107,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___closed__21;
-x_2 = l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4;
+x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8;
 x_3 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -12967,7 +14155,7 @@ static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("Elab", 4);
+x_1 = lean_mk_string_from_bytes("resuming", 8);
 return x_1;
 }
 }
@@ -12975,30 +14163,12 @@ static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
 x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("resuming", 8);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2;
-x_2 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep(uint8_t x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
@@ -13008,7 +14178,7 @@ lean_inc(x_3);
 x_11 = lean_alloc_closure((void*)(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___lambda__1___boxed), 3, 2);
 lean_closure_set(x_11, 0, x_3);
 lean_closure_set(x_11, 1, x_10);
-x_12 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4;
+x_12 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2;
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -13057,7 +14227,7 @@ x_32 = lean_ctor_get(x_31, 1);
 lean_inc(x_32);
 lean_dec(x_31);
 x_33 = l_List_reverse___rarg(x_20);
-x_34 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2;
+x_34 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
 lean_inc(x_8);
 lean_inc(x_4);
 x_35 = l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1(x_1, x_2, x_34, x_33, x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_32);
@@ -13270,7 +14440,7 @@ x_93 = lean_ctor_get(x_92, 1);
 lean_inc(x_93);
 lean_dec(x_92);
 x_94 = l_List_reverse___rarg(x_20);
-x_95 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2;
+x_95 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
 lean_inc(x_8);
 lean_inc(x_4);
 x_96 = l_List_filterAuxM___at___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___spec__1(x_1, x_2, x_95, x_94, x_90, x_3, x_4, x_5, x_6, x_7, x_8, x_93);
@@ -17957,7 +19127,7 @@ return x_47;
 }
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -17965,21 +19135,21 @@ x_1 = lean_mk_string_from_bytes("resume", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2;
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1;
+x_1 = l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -18045,14 +19215,38 @@ l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPri
 lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___closed__1);
 l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___closed__2 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefault___closed__2);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__1);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__2);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__3);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__4);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__5);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__6);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__7);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__2___closed__8);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__1);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__2);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__3);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__4);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__5);
+l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeUsingDefaultPrio_synthesizeUsingDefaultInstance___lambda__3___closed__6);
 l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__1 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__1);
 l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__2);
-l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__3);
-l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__1___closed__4);
 l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__1 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__1);
 l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__2 = _init_l_Lean_Elab_Term_reportStuckSyntheticMVar___lambda__2___closed__2();
@@ -18143,10 +19337,6 @@ l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsS
 lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__1);
 l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2();
 lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__2);
-l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__3);
-l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVarsStep___closed__4);
 l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVar___closed__1 = _init_l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVar___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_SyntheticMVars_0__Lean_Elab_Term_synthesizeSyntheticMVar___closed__1);
 l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Elab_Term_runTactic___spec__5___closed__1 = _init_l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Elab_Term_runTactic___spec__5___closed__1();
@@ -18167,11 +19357,11 @@ l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__7
 lean_mark_persistent(l_Lean_instantiateLCtxMVars___at_Lean_Elab_Term_runTactic___spec__2___closed__7);
 l_Lean_Elab_Term_withSynthesizeLight___rarg___closed__1 = _init_l_Lean_Elab_Term_withSynthesizeLight___rarg___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_withSynthesizeLight___rarg___closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733____closed__2);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_4733_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091____closed__2);
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_SyntheticMVars___hyg_5091_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Induction.c b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
index e4c231f78d..b251fdabfa 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Induction.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
@@ -38,7 +38,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Tacti
 lean_object* lean_erase_macro_scopes(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Tactic_evalInduction___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___closed__1;
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_object*);
 lean_object* l_Lean_stringToMessageData(lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Tactic_evalInduction_checkTargets___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___closed__6;
@@ -355,6 +355,7 @@ LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Tacti
 lean_object* l_Lean_Meta_introNCore(lean_object*, lean_object*, lean_object*, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_isMultiAlt___boxed(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_generalizeVars___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__13(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_expandInductionAlts_x3f___spec__1(lean_object*, size_t, size_t);
@@ -579,7 +580,6 @@ static lean_object* l_Lean_resolveGlobalConst___at___private_Lean_Elab_Tactic_In
 lean_object* l_Lean_indentExpr(lean_object*);
 static lean_object* l_Lean_resolveGlobalConst___at___private_Lean_Elab_Tactic_Induction_0__Lean_Elab_Tactic_getElimNameInfo___spec__3___closed__1;
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
-static lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_ElimApp_evalAlts_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_evalInduction_checkTargets(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -21129,7 +21129,7 @@ x_4 = l_Lean_addBuiltinDeclarationRanges(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1() {
+static lean_object* _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -21139,11 +21139,11 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1;
+x_2 = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 if (lean_obj_tag(x_3) == 0)
 {
@@ -21528,9 +21528,9 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange___close
 res = l___regBuiltin_Lean_Elab_Tactic_evalCases_declRange(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1();
-lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411____closed__1);
-res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7411_(lean_io_mk_world());
+l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1 = _init_l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1();
+lean_mark_persistent(l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388____closed__1);
+res = l_Lean_Elab_Tactic_initFn____x40_Lean_Elab_Tactic_Induction___hyg_7388_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Term.c b/stage0/stdlib/Lean/Elab/Term.c
index 367053fd5c..2ec94f8e22 100644
--- a/stage0/stdlib/Lean/Elab/Term.c
+++ b/stage0/stdlib/Lean/Elab/Term.c
@@ -53,6 +53,7 @@ lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_
 static lean_object* l_Lean_Elab_Term_instMonadBacktrackSavedStateTermElabM___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFnsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_throwMVarError___spec__2___rarg___closed__1;
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__12;
@@ -121,6 +122,7 @@ LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term
 uint8_t l_Lean_LocalDecl_isAuxDecl(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4;
 lean_object* lean_array_uget(lean_object*, size_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_pushInfoLeaf___at_Lean_Elab_Term_addDotCompletionInfo___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_tryPostpone___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -129,7 +131,6 @@ uint8_t l_Lean_Elab_isAbortExceptionId(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__28___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__2;
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_setLevelNames(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__8;
@@ -200,9 +201,9 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_isMonadApp(lean_object*, lean_object*,
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_throwMVarError___spec__2___rarg(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_State_letRecsToLift___default;
-static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7;
 static lean_object* l_Lean_Elab_Term_isLetRecAuxMVar___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAutoBoundImplicitLocal___at_Lean_Elab_Term_resolveName_process___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_collectUnassignedMVars___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_applyResult___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withInfoContext_x27(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -272,6 +273,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_MVarErrorInfo_argName_x3f___default;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_saveState___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwMVarError___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapMAux___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__11(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureNoUnassignedMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkIdentFrom(lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_abortCommandExceptionId;
@@ -309,7 +311,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_getSyntheticMVarDecl_x3f___lambda__1__
 lean_object* l_Std_RBNode_findCore___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__5(lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_exprToSyntax___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -386,7 +387,9 @@ static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__13;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwTypeMismatchError___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFns(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkCoe___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3;
 lean_object* l_Lean_Meta_mkAppOptM(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6;
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__8;
 static lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___lambda__2___closed__1;
 static lean_object* l_Lean_Elab_Term_instToStringMVarErrorKind___closed__2;
@@ -401,7 +404,6 @@ LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___at_Lean_Elab_Term_addAutoBo
 lean_object* l_Lean_Meta_ppGoal(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isExplicit___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTypeMismatchError___closed__5;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_ensureHasType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isExplicit___closed__1;
@@ -417,11 +419,13 @@ static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_observing___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_throwAbortCommand___at_Lean_Elab_Term_ensureNoUnassignedMVars___spec__1___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_expandDeclId___spec__4(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwErrorIfErrors___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_isLetRecAuxMVar___closed__4;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__51___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__16;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_expandDeclId___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2;
 extern lean_object* l_Lean_maxRecDepth;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isTacticOrPostponedHole_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_expandDeclId___spec__4___closed__2;
@@ -433,6 +437,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_instToStringMVarErrorKind___boxed(lean
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_decorateErrorMessageWithLambdaImplicitVars___closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_LVal_getRef___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Term_instInhabitedTermElabM___closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLetRecAuxMVar___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedCacheKey___closed__1;
 static uint64_t l_Lean_Elab_Term_instInhabitedMVarErrorKind___closed__1;
@@ -466,9 +471,11 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_isSaveInfoAnnotation_x3f(lean_object*)
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Term_0__Lean_Elab_Term_isTypeAscription(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__5;
 uint8_t l_Lean_Name_hasMacroScopes(lean_object*);
+static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1;
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError___closed__13;
 lean_object* l_List_mapTRAux___at_Lean_MessageData_instCoeListExprMessageData___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__12(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__5___closed__1;
 lean_object* l_Std_RBNode_setBlack___rarg(lean_object*);
@@ -480,6 +487,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_LVal_isFieldName___boxed(lean_object*)
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLevel(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe(lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__15;
+static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1;
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__16;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withAutoBoundImplicit_loop___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -497,7 +505,6 @@ static lean_object* l_Lean_Elab_checkNotAlreadyDeclared___at_Lean_Elab_Term_expa
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__41(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Elab_Term_resolveId_x3f___lambda__2___closed__4;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1;
 static lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___closed__15;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_decorateErrorMessageWithLambdaImplicitVars___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveLocalName_loop(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -513,7 +520,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_withMacroExpansionInfo___at_Lean_Elab_Term_
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instInhabitedTermElabM___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__11;
 lean_object* l_Lean_MessageData_toString(lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoeSort___lambda__1___closed__5;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_observing(lean_object*);
 uint8_t l_Lean_Syntax_matchesNull(lean_object*, lean_object*);
@@ -567,7 +573,6 @@ static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkTypeMismatchError___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambdaAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_logAt___at_Lean_Elab_Term_traceAtCmdPos___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2;
 static lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_throwMVarError___spec__2___rarg___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_withMacroExpansionInfo___at_Lean_Elab_Term_withMacroExpansion___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__10(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -585,6 +590,7 @@ lean_object* l_Lean_getStructureFieldsFlattened(lean_object*, lean_object*, uint
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withMacroExpansion___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__3;
 static lean_object* l_Lean_Elab_Term_GetOpKind_opName___closed__1;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__18(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_levelMVarToParam___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -608,7 +614,6 @@ static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__15;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__4___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withAutoBoundImplicit(lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkInstMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_withAutoBoundImplicit___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_expandDeclId(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -619,11 +624,9 @@ lean_object* l_Lean_ResolveName_resolveNamespace(lean_object*, lean_object*, lea
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__3___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTypeMismatchError___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_levelMVarToParam___lambda__1___boxed(lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3;
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__21;
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__4;
 lean_object* l_Lean_Meta_mkLambdaFVars(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__4(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getMVarDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
@@ -648,6 +651,7 @@ static lean_object* l_Lean_Elab_Term_mkTypeMismatchError___closed__6;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_blockImplicitLambda___boxed(lean_object*);
 static lean_object* l_Lean_Elab_Term_GetOpKind_noConfusion___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_GetOpKind_opName___boxed(lean_object*);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1;
 static lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___closed__7;
 static lean_object* l_Array_forInUnsafe_loop___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__50___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__3(lean_object*, lean_object*, lean_object*);
@@ -661,7 +665,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_levelMVarToParam___boxed(lean_object*,
 LEAN_EXPORT lean_object* l_Lean_Elab_getResetInfoTrees___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_withoutSavingRecAppSyntax(lean_object*);
 lean_object* l_Lean_Syntax_identComponents(lean_object*, lean_object*);
-static lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_registerSyntheticMVarWithCurrRef___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__4;
 lean_object* l_Nat_repr(lean_object*);
@@ -685,9 +688,9 @@ lean_object* l_Lean_Core_getMessageLog___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__28(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_commitIfDidNotPostpone(lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_mkAuxName___at_Lean_Elab_Term_mkAuxName___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_setElabConfig(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkExplicitBinder___closed__14;
@@ -728,12 +731,12 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_collectUn
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError_appendExtra(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLetRecAuxMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMonadMacroAdapterTermElabM___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1;
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_errToSorry___default;
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___at_Lean_Elab_Term_isLetRecAuxMVar___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instInhabitedTermElabResult(lean_object*);
 static lean_object* l_Lean_Elab_expandDeclId___at_Lean_Elab_Term_expandDeclId___spec__1___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_GetOpKind_toCtorIdx(uint8_t);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMonadMacroAdapterTermElabM___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_GetOpKind_noConfusion___rarg___lambda__1___boxed(lean_object*);
@@ -757,12 +760,12 @@ static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoeSort___la
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getSyntheticMVarDecl_x3f___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t lean_uint64_of_nat(lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isHole___closed__4;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveId_x3f(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__1;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_logUnassignedUsingErrorInfos___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__13;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_elabLevel___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Elab_Term_0__Lean_Elab_Term_decorateErrorMessageWithLambdaImplicitVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_tryCoeThunk_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -770,7 +773,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_withSaveInfoContext___at___private_Lean_Ela
 static lean_object* l_Lean_Elab_Term_instMonadTermElabM___closed__1;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__10(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_resolveName_process___closed__3;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4;
 static lean_object* l_Lean_Elab_Term_instMonadTermElabM___closed__2;
 lean_object* l_Lean_Meta_getMVarsAtDecl(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint64_t l___private_Lean_Level_0__Lean_hashMVarId____x40_Lean_Level___hyg_475_(lean_object*);
@@ -807,12 +809,14 @@ uint8_t l_Lean_MessageData_hasSyntheticSorry(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isMVarApp(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_registerMVarErrorHoleInfo___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoeSort___lambda__1___closed__4;
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__42___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Core_checkMaxHeartbeats(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isTacticOrPostponedHole_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_liftMacroM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__2___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabImplicitLambda_loop___spec__1___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2;
 extern lean_object* l_Lean_Meta_instMonadMetaM;
 lean_object* l_Lean_ResolveName_resolveGlobalName(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_mkConst___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -850,7 +854,6 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_LVal_getRef(lean_object*);
 lean_object* l_Lean_Elab_expandDeclIdCore(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_resolveName___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instBEqProd___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__46(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Elab_Term_Context_autoBoundImplicit___default;
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__5(lean_object*, lean_object*);
@@ -944,9 +947,9 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits___boxed(lean_obj
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Elab_Term_0__Lean_Elab_Term_withoutModifyingStateWithInfoAndMessagesImpl___spec__11___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_logUnassignedUsingErrorInfos___closed__2;
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__18;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instToStringSyntheticMVarKind___boxed(lean_object*);
+static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2;
 extern lean_object* l_Lean_instInhabitedTraceElem;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__3;
 lean_object* l_List_find_x3f___rarg(lean_object*, lean_object*);
@@ -975,7 +978,6 @@ extern lean_object* l_Lean_Elab_postponeExceptionId;
 LEAN_EXPORT lean_object* l_Lean_Elab_throwPostpone___at_Lean_Elab_Term_tryPostpone___spec__1___rarg(lean_object*);
 lean_object* lean_environment_main_module(lean_object*);
 static lean_object* l_Lean_Elab_Term_mkTermElabAttributeUnsafe___closed__9;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1;
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 LEAN_EXPORT uint64_t l___private_Lean_Elab_Term_0__Lean_Elab_Tactic_hashCacheKey____x40_Lean_Elab_Term___hyg_694_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_forallBoundedTelescope___at_Lean_Elab_Term_addAutoBoundImplicits_x27___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -984,6 +986,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM___rarg___lambda_
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__19(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldr___at_Lean_Elab_Term_isLetRecAuxMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_throwTypeMismatchError___spec__1(lean_object*);
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1;
 LEAN_EXPORT lean_object* l_Std_RBNode_insert___at_Lean_Elab_Term_registerMVarErrorInfo___spec__1(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_instMonadInfoTreeTermElabM___closed__1;
 uint8_t l_Lean_Expr_isMVar(lean_object*);
@@ -1076,6 +1079,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isLambdaWi
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_isHole___closed__1;
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_mkAuxName___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_instToStringSyntheticMVarKind___closed__2;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isSaveInfoAnnotation_x3f___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_checkNotAlreadyDeclared___at_Lean_Elab_Term_expandDeclId___spec__6___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortCommand___at_Lean_Elab_Term_ensureNoUnassignedMVars___spec__1___rarg(lean_object*);
@@ -1165,9 +1169,9 @@ static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__L
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_resolveName_x27___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__6___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits_go___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static uint32_t l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__4;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2;
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_instHashableProd___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_collectUnassignedMVars(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1249,7 +1253,7 @@ static lean_object* l_Lean_Elab_Tactic_instInhabitedSnapshot___closed__17;
 LEAN_EXPORT lean_object* l_ReaderT_pure___at_Lean_Elab_Term_addTermInfo___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_throwErrorIfErrors(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_Elab_Term_isLetRecAuxMVar___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619_(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_mapM___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_addAutoBoundImplicits(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__9___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1257,6 +1261,7 @@ LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Elab_Term_synthesiz
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__11;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_exprToSyntax(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Tactic_beqCacheKey____x40_Lean_Elab_Term___hyg_623____boxed(lean_object*, lean_object*);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__5(lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_withoutModifyingStateWithInfoAndMessages___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_getArg(lean_object*, lean_object*);
@@ -1267,7 +1272,6 @@ LEAN_EXPORT lean_object* l_List_forM___at___private_Lean_Elab_Term_0__Lean_Elab_
 static lean_object* l_Lean_Elab_throwAutoBoundImplicitLocal___at_Lean_Elab_Term_resolveName_process___spec__1___closed__3;
 static lean_object* l_Lean_Elab_mkDeclName___at_Lean_Elab_Term_expandDeclId___spec__2___lambda__3___closed__1;
 LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at_Lean_Elab_Term_exprToSyntax___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkTermInfo___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_instMonadInfoTreeTermElabM___closed__3;
@@ -1275,6 +1279,7 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Elab_Term_addAutoBou
 LEAN_EXPORT lean_object* l_Lean_throwError___at___private_Lean_Elab_Term_0__Lean_Elab_Term_synthesizeInst___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwMaxRecDepthAt___at___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___spec__14___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_tryCoeThunk_x3f___closed__2;
 LEAN_EXPORT lean_object* l_Std_PersistentArray_forMAux___at_Lean_Elab_Term_instMetaEvalTermElabM___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
@@ -1394,6 +1399,7 @@ lean_object* l_Lean_Name_replacePrefix(lean_object*, lean_object*, lean_object*)
 LEAN_EXPORT lean_object* l_List_mapM___at_Lean_Elab_Term_resolveName_x27___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_getMVarErrorInfo_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFns___closed__1;
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3;
 static lean_object* l_Lean_Elab_Term_resolveId_x3f___lambda__2___closed__3;
 size_t lean_usize_of_nat(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Elab_throwAbortTerm___at_Lean_Elab_Term_throwMVarError___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1405,7 +1411,6 @@ static lean_object* l_Lean_Elab_Term_instInhabitedLetRecToLift___closed__4;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Option_set___at_Lean_Meta_withPPInaccessibleNamesImp___spec__2(lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_mkSyntheticSorryFor(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-static lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3;
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_mkTermInfo(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Elab_Term_synthesizeInstMVarCore___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Elab_Term_MVarErrorInfo_logError___closed__8;
@@ -1422,13 +1427,14 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_applyAttributesAt___boxed(lean_object*
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_instMetaEvalTermElabM(lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__3;
 static lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___lambda__2___closed__4;
-static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2;
+static lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4;
 static lean_object* l_Lean_Elab_Term_resolveId_x3f___lambda__2___closed__5;
 static lean_object* l_Lean_Elab_Term_instInhabitedLetRecToLift___closed__9;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__8(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_Elab_Term_addAutoBoundImplicits_go___spec__47(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_Elab_addMacroStack___at_Lean_Elab_Term_instAddErrorMessageContextTermElabM___spec__1___closed__3;
 LEAN_EXPORT uint8_t l___private_Lean_Elab_Term_0__Lean_Elab_Term_isTacticBlock(lean_object*);
+static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__7;
 static lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabUsingElabFns___closed__2;
@@ -19639,7 +19645,7 @@ goto block_95;
 }
 else
 {
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
+lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
 x_113 = lean_ctor_get(x_108, 1);
 lean_inc(x_113);
 lean_dec(x_108);
@@ -19649,45 +19655,46 @@ lean_dec(x_110);
 x_115 = lean_ctor_get(x_114, 1);
 lean_inc(x_115);
 lean_dec(x_114);
+x_116 = l_Lean_mkMVar(x_115);
 lean_inc(x_8);
 lean_inc(x_2);
-x_116 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_115, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_113);
-if (lean_obj_tag(x_116) == 0)
+x_117 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_116, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_113);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_117; lean_object* x_118; 
-x_117 = lean_ctor_get(x_116, 0);
-lean_inc(x_117);
-x_118 = lean_ctor_get(x_116, 1);
+lean_object* x_118; lean_object* x_119; 
+x_118 = lean_ctor_get(x_117, 0);
 lean_inc(x_118);
-lean_dec(x_116);
-x_66 = x_117;
-x_67 = x_118;
+x_119 = lean_ctor_get(x_117, 1);
+lean_inc(x_119);
+lean_dec(x_117);
+x_66 = x_118;
+x_67 = x_119;
 goto block_95;
 }
 else
 {
-uint8_t x_119; 
+uint8_t x_120; 
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_119 = !lean_is_exclusive(x_116);
-if (x_119 == 0)
+x_120 = !lean_is_exclusive(x_117);
+if (x_120 == 0)
 {
-return x_116;
+return x_117;
 }
 else
 {
-lean_object* x_120; lean_object* x_121; lean_object* x_122; 
-x_120 = lean_ctor_get(x_116, 0);
-x_121 = lean_ctor_get(x_116, 1);
+lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_121 = lean_ctor_get(x_117, 0);
+x_122 = lean_ctor_get(x_117, 1);
+lean_inc(x_122);
 lean_inc(x_121);
-lean_inc(x_120);
-lean_dec(x_116);
-x_122 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_122, 0, x_120);
-lean_ctor_set(x_122, 1, x_121);
-return x_122;
+lean_dec(x_117);
+x_123 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_123, 0, x_121);
+lean_ctor_set(x_123, 1, x_122);
+return x_123;
 }
 }
 }
@@ -19802,11 +19809,11 @@ return x_94;
 }
 case 5:
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_155; 
-x_123 = lean_ctor_get(x_1, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_1, 1);
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; lean_object* x_156; 
+x_124 = lean_ctor_get(x_1, 0);
 lean_inc(x_124);
+x_125 = lean_ctor_get(x_1, 1);
+lean_inc(x_125);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -19814,83 +19821,83 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_155 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_123, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_155) == 0)
-{
-lean_object* x_156; 
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
+x_156 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_124, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_156) == 0)
 {
-lean_object* x_157; lean_object* x_158; 
-lean_dec(x_124);
+lean_object* x_157; 
+x_157 = lean_ctor_get(x_156, 0);
+lean_inc(x_157);
+if (lean_obj_tag(x_157) == 0)
+{
+lean_object* x_158; lean_object* x_159; 
+lean_dec(x_125);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_157 = lean_ctor_get(x_155, 1);
-lean_inc(x_157);
-lean_dec(x_155);
-x_158 = lean_box(0);
-x_125 = x_158;
-x_126 = x_157;
-goto block_154;
+x_158 = lean_ctor_get(x_156, 1);
+lean_inc(x_158);
+lean_dec(x_156);
+x_159 = lean_box(0);
+x_126 = x_159;
+x_127 = x_158;
+goto block_155;
 }
 else
 {
-lean_object* x_159; lean_object* x_160; 
+lean_object* x_160; lean_object* x_161; 
+lean_dec(x_157);
+x_160 = lean_ctor_get(x_156, 1);
+lean_inc(x_160);
 lean_dec(x_156);
-x_159 = lean_ctor_get(x_155, 1);
-lean_inc(x_159);
-lean_dec(x_155);
 lean_inc(x_8);
 lean_inc(x_2);
-x_160 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_124, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_159);
-if (lean_obj_tag(x_160) == 0)
+x_161 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_125, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_160);
+if (lean_obj_tag(x_161) == 0)
 {
-lean_object* x_161; lean_object* x_162; 
-x_161 = lean_ctor_get(x_160, 0);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_160, 1);
+lean_object* x_162; lean_object* x_163; 
+x_162 = lean_ctor_get(x_161, 0);
 lean_inc(x_162);
-lean_dec(x_160);
-x_125 = x_161;
+x_163 = lean_ctor_get(x_161, 1);
+lean_inc(x_163);
+lean_dec(x_161);
 x_126 = x_162;
-goto block_154;
+x_127 = x_163;
+goto block_155;
 }
 else
 {
-uint8_t x_163; 
+uint8_t x_164; 
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_163 = !lean_is_exclusive(x_160);
-if (x_163 == 0)
+x_164 = !lean_is_exclusive(x_161);
+if (x_164 == 0)
 {
-return x_160;
+return x_161;
 }
 else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; 
-x_164 = lean_ctor_get(x_160, 0);
-x_165 = lean_ctor_get(x_160, 1);
+lean_object* x_165; lean_object* x_166; lean_object* x_167; 
+x_165 = lean_ctor_get(x_161, 0);
+x_166 = lean_ctor_get(x_161, 1);
+lean_inc(x_166);
 lean_inc(x_165);
-lean_inc(x_164);
-lean_dec(x_160);
-x_166 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_166, 0, x_164);
-lean_ctor_set(x_166, 1, x_165);
-return x_166;
+lean_dec(x_161);
+x_167 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_167, 0, x_165);
+lean_ctor_set(x_167, 1, x_166);
+return x_167;
 }
 }
 }
 }
 else
 {
-uint8_t x_167; 
-lean_dec(x_124);
+uint8_t x_168; 
+lean_dec(x_125);
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -19900,140 +19907,140 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_167 = !lean_is_exclusive(x_155);
-if (x_167 == 0)
+x_168 = !lean_is_exclusive(x_156);
+if (x_168 == 0)
 {
-return x_155;
+return x_156;
 }
 else
 {
-lean_object* x_168; lean_object* x_169; lean_object* x_170; 
-x_168 = lean_ctor_get(x_155, 0);
-x_169 = lean_ctor_get(x_155, 1);
+lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_156, 0);
+x_170 = lean_ctor_get(x_156, 1);
+lean_inc(x_170);
 lean_inc(x_169);
-lean_inc(x_168);
-lean_dec(x_155);
-x_170 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_170, 0, x_168);
-lean_ctor_set(x_170, 1, x_169);
-return x_170;
+lean_dec(x_156);
+x_171 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_171, 0, x_169);
+lean_ctor_set(x_171, 1, x_170);
+return x_171;
 }
 }
-block_154:
+block_155:
 {
-if (lean_obj_tag(x_125) == 0)
+if (lean_obj_tag(x_126) == 0)
 {
-lean_object* x_127; lean_object* x_128; 
+lean_object* x_128; lean_object* x_129; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_127 = lean_box(0);
+x_128 = lean_box(0);
 if (lean_is_scalar(x_15)) {
- x_128 = lean_alloc_ctor(0, 2, 0);
+ x_129 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_128 = x_15;
+ x_129 = x_15;
 }
-lean_ctor_set(x_128, 0, x_127);
-lean_ctor_set(x_128, 1, x_126);
-return x_128;
+lean_ctor_set(x_129, 0, x_128);
+lean_ctor_set(x_129, 1, x_127);
+return x_129;
 }
 else
 {
-uint8_t x_129; 
+uint8_t x_130; 
 lean_dec(x_15);
-x_129 = !lean_is_exclusive(x_125);
-if (x_129 == 0)
+x_130 = !lean_is_exclusive(x_126);
+if (x_130 == 0)
 {
-lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; uint8_t x_138; 
-x_130 = lean_ctor_get(x_125, 0);
-x_131 = lean_st_ref_get(x_8, x_126);
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; uint8_t x_139; 
+x_131 = lean_ctor_get(x_126, 0);
+x_132 = lean_st_ref_get(x_8, x_127);
 lean_dec(x_8);
-x_132 = lean_ctor_get(x_131, 1);
-lean_inc(x_132);
-lean_dec(x_131);
-x_133 = lean_st_ref_take(x_2, x_132);
-x_134 = lean_ctor_get(x_133, 0);
-lean_inc(x_134);
-x_135 = lean_ctor_get(x_133, 1);
+x_133 = lean_ctor_get(x_132, 1);
+lean_inc(x_133);
+lean_dec(x_132);
+x_134 = lean_st_ref_take(x_2, x_133);
+x_135 = lean_ctor_get(x_134, 0);
 lean_inc(x_135);
-lean_dec(x_133);
-lean_inc(x_130);
-x_136 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_134, x_1, x_130);
-x_137 = lean_st_ref_set(x_2, x_136, x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+lean_inc(x_131);
+x_137 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_135, x_1, x_131);
+x_138 = lean_st_ref_set(x_2, x_137, x_136);
 lean_dec(x_2);
-x_138 = !lean_is_exclusive(x_137);
-if (x_138 == 0)
+x_139 = !lean_is_exclusive(x_138);
+if (x_139 == 0)
 {
-lean_object* x_139; 
-x_139 = lean_ctor_get(x_137, 0);
-lean_dec(x_139);
-lean_ctor_set(x_137, 0, x_125);
-return x_137;
+lean_object* x_140; 
+x_140 = lean_ctor_get(x_138, 0);
+lean_dec(x_140);
+lean_ctor_set(x_138, 0, x_126);
+return x_138;
 }
 else
 {
-lean_object* x_140; lean_object* x_141; 
-x_140 = lean_ctor_get(x_137, 1);
-lean_inc(x_140);
-lean_dec(x_137);
-x_141 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_141, 0, x_125);
-lean_ctor_set(x_141, 1, x_140);
-return x_141;
+lean_object* x_141; lean_object* x_142; 
+x_141 = lean_ctor_get(x_138, 1);
+lean_inc(x_141);
+lean_dec(x_138);
+x_142 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_142, 0, x_126);
+lean_ctor_set(x_142, 1, x_141);
+return x_142;
 }
 }
 else
 {
-lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; 
-x_142 = lean_ctor_get(x_125, 0);
-lean_inc(x_142);
-lean_dec(x_125);
-x_143 = lean_st_ref_get(x_8, x_126);
+lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; 
+x_143 = lean_ctor_get(x_126, 0);
+lean_inc(x_143);
+lean_dec(x_126);
+x_144 = lean_st_ref_get(x_8, x_127);
 lean_dec(x_8);
-x_144 = lean_ctor_get(x_143, 1);
-lean_inc(x_144);
-lean_dec(x_143);
-x_145 = lean_st_ref_take(x_2, x_144);
-x_146 = lean_ctor_get(x_145, 0);
-lean_inc(x_146);
-x_147 = lean_ctor_get(x_145, 1);
+x_145 = lean_ctor_get(x_144, 1);
+lean_inc(x_145);
+lean_dec(x_144);
+x_146 = lean_st_ref_take(x_2, x_145);
+x_147 = lean_ctor_get(x_146, 0);
 lean_inc(x_147);
-lean_dec(x_145);
-lean_inc(x_142);
-x_148 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_146, x_1, x_142);
-x_149 = lean_st_ref_set(x_2, x_148, x_147);
+x_148 = lean_ctor_get(x_146, 1);
+lean_inc(x_148);
+lean_dec(x_146);
+lean_inc(x_143);
+x_149 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_147, x_1, x_143);
+x_150 = lean_st_ref_set(x_2, x_149, x_148);
 lean_dec(x_2);
-x_150 = lean_ctor_get(x_149, 1);
-lean_inc(x_150);
-if (lean_is_exclusive(x_149)) {
- lean_ctor_release(x_149, 0);
- lean_ctor_release(x_149, 1);
- x_151 = x_149;
+x_151 = lean_ctor_get(x_150, 1);
+lean_inc(x_151);
+if (lean_is_exclusive(x_150)) {
+ lean_ctor_release(x_150, 0);
+ lean_ctor_release(x_150, 1);
+ x_152 = x_150;
 } else {
- lean_dec_ref(x_149);
- x_151 = lean_box(0);
+ lean_dec_ref(x_150);
+ x_152 = lean_box(0);
 }
-x_152 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_152, 0, x_142);
-if (lean_is_scalar(x_151)) {
- x_153 = lean_alloc_ctor(0, 2, 0);
+x_153 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_153, 0, x_143);
+if (lean_is_scalar(x_152)) {
+ x_154 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_153 = x_151;
+ x_154 = x_152;
 }
-lean_ctor_set(x_153, 0, x_152);
-lean_ctor_set(x_153, 1, x_150);
-return x_153;
+lean_ctor_set(x_154, 0, x_153);
+lean_ctor_set(x_154, 1, x_151);
+return x_154;
 }
 }
 }
 }
 case 6:
 {
-lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_203; 
-x_171 = lean_ctor_get(x_1, 1);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_1, 2);
+lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_204; 
+x_172 = lean_ctor_get(x_1, 1);
 lean_inc(x_172);
+x_173 = lean_ctor_get(x_1, 2);
+lean_inc(x_173);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -20041,83 +20048,83 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_203 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_171, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_203) == 0)
-{
-lean_object* x_204; 
-x_204 = lean_ctor_get(x_203, 0);
-lean_inc(x_204);
+x_204 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_172, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_204) == 0)
 {
-lean_object* x_205; lean_object* x_206; 
-lean_dec(x_172);
+lean_object* x_205; 
+x_205 = lean_ctor_get(x_204, 0);
+lean_inc(x_205);
+if (lean_obj_tag(x_205) == 0)
+{
+lean_object* x_206; lean_object* x_207; 
+lean_dec(x_173);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_205 = lean_ctor_get(x_203, 1);
-lean_inc(x_205);
-lean_dec(x_203);
-x_206 = lean_box(0);
-x_173 = x_206;
-x_174 = x_205;
-goto block_202;
+x_206 = lean_ctor_get(x_204, 1);
+lean_inc(x_206);
+lean_dec(x_204);
+x_207 = lean_box(0);
+x_174 = x_207;
+x_175 = x_206;
+goto block_203;
 }
 else
 {
-lean_object* x_207; lean_object* x_208; 
+lean_object* x_208; lean_object* x_209; 
+lean_dec(x_205);
+x_208 = lean_ctor_get(x_204, 1);
+lean_inc(x_208);
 lean_dec(x_204);
-x_207 = lean_ctor_get(x_203, 1);
-lean_inc(x_207);
-lean_dec(x_203);
 lean_inc(x_8);
 lean_inc(x_2);
-x_208 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_172, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_207);
-if (lean_obj_tag(x_208) == 0)
+x_209 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_173, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_208);
+if (lean_obj_tag(x_209) == 0)
 {
-lean_object* x_209; lean_object* x_210; 
-x_209 = lean_ctor_get(x_208, 0);
-lean_inc(x_209);
-x_210 = lean_ctor_get(x_208, 1);
+lean_object* x_210; lean_object* x_211; 
+x_210 = lean_ctor_get(x_209, 0);
 lean_inc(x_210);
-lean_dec(x_208);
-x_173 = x_209;
+x_211 = lean_ctor_get(x_209, 1);
+lean_inc(x_211);
+lean_dec(x_209);
 x_174 = x_210;
-goto block_202;
+x_175 = x_211;
+goto block_203;
 }
 else
 {
-uint8_t x_211; 
+uint8_t x_212; 
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_211 = !lean_is_exclusive(x_208);
-if (x_211 == 0)
+x_212 = !lean_is_exclusive(x_209);
+if (x_212 == 0)
 {
-return x_208;
+return x_209;
 }
 else
 {
-lean_object* x_212; lean_object* x_213; lean_object* x_214; 
-x_212 = lean_ctor_get(x_208, 0);
-x_213 = lean_ctor_get(x_208, 1);
+lean_object* x_213; lean_object* x_214; lean_object* x_215; 
+x_213 = lean_ctor_get(x_209, 0);
+x_214 = lean_ctor_get(x_209, 1);
+lean_inc(x_214);
 lean_inc(x_213);
-lean_inc(x_212);
-lean_dec(x_208);
-x_214 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_214, 0, x_212);
-lean_ctor_set(x_214, 1, x_213);
-return x_214;
+lean_dec(x_209);
+x_215 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_215, 0, x_213);
+lean_ctor_set(x_215, 1, x_214);
+return x_215;
 }
 }
 }
 }
 else
 {
-uint8_t x_215; 
-lean_dec(x_172);
+uint8_t x_216; 
+lean_dec(x_173);
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -20127,140 +20134,140 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_215 = !lean_is_exclusive(x_203);
-if (x_215 == 0)
+x_216 = !lean_is_exclusive(x_204);
+if (x_216 == 0)
 {
-return x_203;
+return x_204;
 }
 else
 {
-lean_object* x_216; lean_object* x_217; lean_object* x_218; 
-x_216 = lean_ctor_get(x_203, 0);
-x_217 = lean_ctor_get(x_203, 1);
+lean_object* x_217; lean_object* x_218; lean_object* x_219; 
+x_217 = lean_ctor_get(x_204, 0);
+x_218 = lean_ctor_get(x_204, 1);
+lean_inc(x_218);
 lean_inc(x_217);
-lean_inc(x_216);
-lean_dec(x_203);
-x_218 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_218, 0, x_216);
-lean_ctor_set(x_218, 1, x_217);
-return x_218;
+lean_dec(x_204);
+x_219 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_219, 0, x_217);
+lean_ctor_set(x_219, 1, x_218);
+return x_219;
 }
 }
-block_202:
+block_203:
 {
-if (lean_obj_tag(x_173) == 0)
+if (lean_obj_tag(x_174) == 0)
 {
-lean_object* x_175; lean_object* x_176; 
+lean_object* x_176; lean_object* x_177; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_175 = lean_box(0);
+x_176 = lean_box(0);
 if (lean_is_scalar(x_15)) {
- x_176 = lean_alloc_ctor(0, 2, 0);
+ x_177 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_176 = x_15;
+ x_177 = x_15;
 }
-lean_ctor_set(x_176, 0, x_175);
-lean_ctor_set(x_176, 1, x_174);
-return x_176;
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_175);
+return x_177;
 }
 else
 {
-uint8_t x_177; 
+uint8_t x_178; 
 lean_dec(x_15);
-x_177 = !lean_is_exclusive(x_173);
-if (x_177 == 0)
+x_178 = !lean_is_exclusive(x_174);
+if (x_178 == 0)
 {
-lean_object* x_178; lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; uint8_t x_186; 
-x_178 = lean_ctor_get(x_173, 0);
-x_179 = lean_st_ref_get(x_8, x_174);
+lean_object* x_179; lean_object* x_180; lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; uint8_t x_187; 
+x_179 = lean_ctor_get(x_174, 0);
+x_180 = lean_st_ref_get(x_8, x_175);
 lean_dec(x_8);
-x_180 = lean_ctor_get(x_179, 1);
-lean_inc(x_180);
-lean_dec(x_179);
-x_181 = lean_st_ref_take(x_2, x_180);
-x_182 = lean_ctor_get(x_181, 0);
-lean_inc(x_182);
-x_183 = lean_ctor_get(x_181, 1);
+x_181 = lean_ctor_get(x_180, 1);
+lean_inc(x_181);
+lean_dec(x_180);
+x_182 = lean_st_ref_take(x_2, x_181);
+x_183 = lean_ctor_get(x_182, 0);
 lean_inc(x_183);
-lean_dec(x_181);
-lean_inc(x_178);
-x_184 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_182, x_1, x_178);
-x_185 = lean_st_ref_set(x_2, x_184, x_183);
+x_184 = lean_ctor_get(x_182, 1);
+lean_inc(x_184);
+lean_dec(x_182);
+lean_inc(x_179);
+x_185 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_183, x_1, x_179);
+x_186 = lean_st_ref_set(x_2, x_185, x_184);
 lean_dec(x_2);
-x_186 = !lean_is_exclusive(x_185);
-if (x_186 == 0)
+x_187 = !lean_is_exclusive(x_186);
+if (x_187 == 0)
 {
-lean_object* x_187; 
-x_187 = lean_ctor_get(x_185, 0);
-lean_dec(x_187);
-lean_ctor_set(x_185, 0, x_173);
-return x_185;
+lean_object* x_188; 
+x_188 = lean_ctor_get(x_186, 0);
+lean_dec(x_188);
+lean_ctor_set(x_186, 0, x_174);
+return x_186;
 }
 else
 {
-lean_object* x_188; lean_object* x_189; 
-x_188 = lean_ctor_get(x_185, 1);
-lean_inc(x_188);
-lean_dec(x_185);
-x_189 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_189, 0, x_173);
-lean_ctor_set(x_189, 1, x_188);
-return x_189;
+lean_object* x_189; lean_object* x_190; 
+x_189 = lean_ctor_get(x_186, 1);
+lean_inc(x_189);
+lean_dec(x_186);
+x_190 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_190, 0, x_174);
+lean_ctor_set(x_190, 1, x_189);
+return x_190;
 }
 }
 else
 {
-lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; 
-x_190 = lean_ctor_get(x_173, 0);
-lean_inc(x_190);
-lean_dec(x_173);
-x_191 = lean_st_ref_get(x_8, x_174);
+lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
+x_191 = lean_ctor_get(x_174, 0);
+lean_inc(x_191);
+lean_dec(x_174);
+x_192 = lean_st_ref_get(x_8, x_175);
 lean_dec(x_8);
-x_192 = lean_ctor_get(x_191, 1);
-lean_inc(x_192);
-lean_dec(x_191);
-x_193 = lean_st_ref_take(x_2, x_192);
-x_194 = lean_ctor_get(x_193, 0);
-lean_inc(x_194);
-x_195 = lean_ctor_get(x_193, 1);
+x_193 = lean_ctor_get(x_192, 1);
+lean_inc(x_193);
+lean_dec(x_192);
+x_194 = lean_st_ref_take(x_2, x_193);
+x_195 = lean_ctor_get(x_194, 0);
 lean_inc(x_195);
-lean_dec(x_193);
-lean_inc(x_190);
-x_196 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_194, x_1, x_190);
-x_197 = lean_st_ref_set(x_2, x_196, x_195);
+x_196 = lean_ctor_get(x_194, 1);
+lean_inc(x_196);
+lean_dec(x_194);
+lean_inc(x_191);
+x_197 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_195, x_1, x_191);
+x_198 = lean_st_ref_set(x_2, x_197, x_196);
 lean_dec(x_2);
-x_198 = lean_ctor_get(x_197, 1);
-lean_inc(x_198);
-if (lean_is_exclusive(x_197)) {
- lean_ctor_release(x_197, 0);
- lean_ctor_release(x_197, 1);
- x_199 = x_197;
+x_199 = lean_ctor_get(x_198, 1);
+lean_inc(x_199);
+if (lean_is_exclusive(x_198)) {
+ lean_ctor_release(x_198, 0);
+ lean_ctor_release(x_198, 1);
+ x_200 = x_198;
 } else {
- lean_dec_ref(x_197);
- x_199 = lean_box(0);
+ lean_dec_ref(x_198);
+ x_200 = lean_box(0);
 }
-x_200 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_200, 0, x_190);
-if (lean_is_scalar(x_199)) {
- x_201 = lean_alloc_ctor(0, 2, 0);
+x_201 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_201, 0, x_191);
+if (lean_is_scalar(x_200)) {
+ x_202 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_201 = x_199;
+ x_202 = x_200;
 }
-lean_ctor_set(x_201, 0, x_200);
-lean_ctor_set(x_201, 1, x_198);
-return x_201;
+lean_ctor_set(x_202, 0, x_201);
+lean_ctor_set(x_202, 1, x_199);
+return x_202;
 }
 }
 }
 }
 case 7:
 {
-lean_object* x_219; lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_251; 
-x_219 = lean_ctor_get(x_1, 1);
-lean_inc(x_219);
-x_220 = lean_ctor_get(x_1, 2);
+lean_object* x_220; lean_object* x_221; lean_object* x_222; lean_object* x_223; lean_object* x_252; 
+x_220 = lean_ctor_get(x_1, 1);
 lean_inc(x_220);
+x_221 = lean_ctor_get(x_1, 2);
+lean_inc(x_221);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -20268,83 +20275,83 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_251 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_219, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_251) == 0)
-{
-lean_object* x_252; 
-x_252 = lean_ctor_get(x_251, 0);
-lean_inc(x_252);
+x_252 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_220, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_252) == 0)
 {
-lean_object* x_253; lean_object* x_254; 
-lean_dec(x_220);
+lean_object* x_253; 
+x_253 = lean_ctor_get(x_252, 0);
+lean_inc(x_253);
+if (lean_obj_tag(x_253) == 0)
+{
+lean_object* x_254; lean_object* x_255; 
+lean_dec(x_221);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_253 = lean_ctor_get(x_251, 1);
-lean_inc(x_253);
-lean_dec(x_251);
-x_254 = lean_box(0);
-x_221 = x_254;
-x_222 = x_253;
-goto block_250;
+x_254 = lean_ctor_get(x_252, 1);
+lean_inc(x_254);
+lean_dec(x_252);
+x_255 = lean_box(0);
+x_222 = x_255;
+x_223 = x_254;
+goto block_251;
 }
 else
 {
-lean_object* x_255; lean_object* x_256; 
+lean_object* x_256; lean_object* x_257; 
+lean_dec(x_253);
+x_256 = lean_ctor_get(x_252, 1);
+lean_inc(x_256);
 lean_dec(x_252);
-x_255 = lean_ctor_get(x_251, 1);
-lean_inc(x_255);
-lean_dec(x_251);
 lean_inc(x_8);
 lean_inc(x_2);
-x_256 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_220, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_255);
-if (lean_obj_tag(x_256) == 0)
+x_257 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_221, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_256);
+if (lean_obj_tag(x_257) == 0)
 {
-lean_object* x_257; lean_object* x_258; 
-x_257 = lean_ctor_get(x_256, 0);
-lean_inc(x_257);
-x_258 = lean_ctor_get(x_256, 1);
+lean_object* x_258; lean_object* x_259; 
+x_258 = lean_ctor_get(x_257, 0);
 lean_inc(x_258);
-lean_dec(x_256);
-x_221 = x_257;
+x_259 = lean_ctor_get(x_257, 1);
+lean_inc(x_259);
+lean_dec(x_257);
 x_222 = x_258;
-goto block_250;
+x_223 = x_259;
+goto block_251;
 }
 else
 {
-uint8_t x_259; 
+uint8_t x_260; 
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_259 = !lean_is_exclusive(x_256);
-if (x_259 == 0)
+x_260 = !lean_is_exclusive(x_257);
+if (x_260 == 0)
 {
-return x_256;
+return x_257;
 }
 else
 {
-lean_object* x_260; lean_object* x_261; lean_object* x_262; 
-x_260 = lean_ctor_get(x_256, 0);
-x_261 = lean_ctor_get(x_256, 1);
+lean_object* x_261; lean_object* x_262; lean_object* x_263; 
+x_261 = lean_ctor_get(x_257, 0);
+x_262 = lean_ctor_get(x_257, 1);
+lean_inc(x_262);
 lean_inc(x_261);
-lean_inc(x_260);
-lean_dec(x_256);
-x_262 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_262, 0, x_260);
-lean_ctor_set(x_262, 1, x_261);
-return x_262;
+lean_dec(x_257);
+x_263 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_263, 0, x_261);
+lean_ctor_set(x_263, 1, x_262);
+return x_263;
 }
 }
 }
 }
 else
 {
-uint8_t x_263; 
-lean_dec(x_220);
+uint8_t x_264; 
+lean_dec(x_221);
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -20354,142 +20361,142 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_263 = !lean_is_exclusive(x_251);
-if (x_263 == 0)
+x_264 = !lean_is_exclusive(x_252);
+if (x_264 == 0)
 {
-return x_251;
+return x_252;
 }
 else
 {
-lean_object* x_264; lean_object* x_265; lean_object* x_266; 
-x_264 = lean_ctor_get(x_251, 0);
-x_265 = lean_ctor_get(x_251, 1);
+lean_object* x_265; lean_object* x_266; lean_object* x_267; 
+x_265 = lean_ctor_get(x_252, 0);
+x_266 = lean_ctor_get(x_252, 1);
+lean_inc(x_266);
 lean_inc(x_265);
-lean_inc(x_264);
-lean_dec(x_251);
-x_266 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_266, 0, x_264);
-lean_ctor_set(x_266, 1, x_265);
-return x_266;
+lean_dec(x_252);
+x_267 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_267, 0, x_265);
+lean_ctor_set(x_267, 1, x_266);
+return x_267;
 }
 }
-block_250:
+block_251:
 {
-if (lean_obj_tag(x_221) == 0)
+if (lean_obj_tag(x_222) == 0)
 {
-lean_object* x_223; lean_object* x_224; 
+lean_object* x_224; lean_object* x_225; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_223 = lean_box(0);
+x_224 = lean_box(0);
 if (lean_is_scalar(x_15)) {
- x_224 = lean_alloc_ctor(0, 2, 0);
+ x_225 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_224 = x_15;
+ x_225 = x_15;
 }
-lean_ctor_set(x_224, 0, x_223);
-lean_ctor_set(x_224, 1, x_222);
-return x_224;
+lean_ctor_set(x_225, 0, x_224);
+lean_ctor_set(x_225, 1, x_223);
+return x_225;
 }
 else
 {
-uint8_t x_225; 
+uint8_t x_226; 
 lean_dec(x_15);
-x_225 = !lean_is_exclusive(x_221);
-if (x_225 == 0)
+x_226 = !lean_is_exclusive(x_222);
+if (x_226 == 0)
 {
-lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; uint8_t x_234; 
-x_226 = lean_ctor_get(x_221, 0);
-x_227 = lean_st_ref_get(x_8, x_222);
+lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; lean_object* x_232; lean_object* x_233; lean_object* x_234; uint8_t x_235; 
+x_227 = lean_ctor_get(x_222, 0);
+x_228 = lean_st_ref_get(x_8, x_223);
 lean_dec(x_8);
-x_228 = lean_ctor_get(x_227, 1);
-lean_inc(x_228);
-lean_dec(x_227);
-x_229 = lean_st_ref_take(x_2, x_228);
-x_230 = lean_ctor_get(x_229, 0);
-lean_inc(x_230);
-x_231 = lean_ctor_get(x_229, 1);
+x_229 = lean_ctor_get(x_228, 1);
+lean_inc(x_229);
+lean_dec(x_228);
+x_230 = lean_st_ref_take(x_2, x_229);
+x_231 = lean_ctor_get(x_230, 0);
 lean_inc(x_231);
-lean_dec(x_229);
-lean_inc(x_226);
-x_232 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_230, x_1, x_226);
-x_233 = lean_st_ref_set(x_2, x_232, x_231);
+x_232 = lean_ctor_get(x_230, 1);
+lean_inc(x_232);
+lean_dec(x_230);
+lean_inc(x_227);
+x_233 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_231, x_1, x_227);
+x_234 = lean_st_ref_set(x_2, x_233, x_232);
 lean_dec(x_2);
-x_234 = !lean_is_exclusive(x_233);
-if (x_234 == 0)
+x_235 = !lean_is_exclusive(x_234);
+if (x_235 == 0)
 {
-lean_object* x_235; 
-x_235 = lean_ctor_get(x_233, 0);
-lean_dec(x_235);
-lean_ctor_set(x_233, 0, x_221);
-return x_233;
+lean_object* x_236; 
+x_236 = lean_ctor_get(x_234, 0);
+lean_dec(x_236);
+lean_ctor_set(x_234, 0, x_222);
+return x_234;
 }
 else
 {
-lean_object* x_236; lean_object* x_237; 
-x_236 = lean_ctor_get(x_233, 1);
-lean_inc(x_236);
-lean_dec(x_233);
-x_237 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_237, 0, x_221);
-lean_ctor_set(x_237, 1, x_236);
-return x_237;
+lean_object* x_237; lean_object* x_238; 
+x_237 = lean_ctor_get(x_234, 1);
+lean_inc(x_237);
+lean_dec(x_234);
+x_238 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_238, 0, x_222);
+lean_ctor_set(x_238, 1, x_237);
+return x_238;
 }
 }
 else
 {
-lean_object* x_238; lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
-x_238 = lean_ctor_get(x_221, 0);
-lean_inc(x_238);
-lean_dec(x_221);
-x_239 = lean_st_ref_get(x_8, x_222);
+lean_object* x_239; lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; 
+x_239 = lean_ctor_get(x_222, 0);
+lean_inc(x_239);
+lean_dec(x_222);
+x_240 = lean_st_ref_get(x_8, x_223);
 lean_dec(x_8);
-x_240 = lean_ctor_get(x_239, 1);
-lean_inc(x_240);
-lean_dec(x_239);
-x_241 = lean_st_ref_take(x_2, x_240);
-x_242 = lean_ctor_get(x_241, 0);
-lean_inc(x_242);
-x_243 = lean_ctor_get(x_241, 1);
+x_241 = lean_ctor_get(x_240, 1);
+lean_inc(x_241);
+lean_dec(x_240);
+x_242 = lean_st_ref_take(x_2, x_241);
+x_243 = lean_ctor_get(x_242, 0);
 lean_inc(x_243);
-lean_dec(x_241);
-lean_inc(x_238);
-x_244 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_242, x_1, x_238);
-x_245 = lean_st_ref_set(x_2, x_244, x_243);
+x_244 = lean_ctor_get(x_242, 1);
+lean_inc(x_244);
+lean_dec(x_242);
+lean_inc(x_239);
+x_245 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_243, x_1, x_239);
+x_246 = lean_st_ref_set(x_2, x_245, x_244);
 lean_dec(x_2);
-x_246 = lean_ctor_get(x_245, 1);
-lean_inc(x_246);
-if (lean_is_exclusive(x_245)) {
- lean_ctor_release(x_245, 0);
- lean_ctor_release(x_245, 1);
- x_247 = x_245;
+x_247 = lean_ctor_get(x_246, 1);
+lean_inc(x_247);
+if (lean_is_exclusive(x_246)) {
+ lean_ctor_release(x_246, 0);
+ lean_ctor_release(x_246, 1);
+ x_248 = x_246;
 } else {
- lean_dec_ref(x_245);
- x_247 = lean_box(0);
+ lean_dec_ref(x_246);
+ x_248 = lean_box(0);
 }
-x_248 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_248, 0, x_238);
-if (lean_is_scalar(x_247)) {
- x_249 = lean_alloc_ctor(0, 2, 0);
+x_249 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_249, 0, x_239);
+if (lean_is_scalar(x_248)) {
+ x_250 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_249 = x_247;
+ x_250 = x_248;
 }
-lean_ctor_set(x_249, 0, x_248);
-lean_ctor_set(x_249, 1, x_246);
-return x_249;
+lean_ctor_set(x_250, 0, x_249);
+lean_ctor_set(x_250, 1, x_247);
+return x_250;
 }
 }
 }
 }
 case 8:
 {
-lean_object* x_267; lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_300; 
-x_267 = lean_ctor_get(x_1, 1);
-lean_inc(x_267);
-x_268 = lean_ctor_get(x_1, 2);
+lean_object* x_268; lean_object* x_269; lean_object* x_270; lean_object* x_271; lean_object* x_272; lean_object* x_301; 
+x_268 = lean_ctor_get(x_1, 1);
 lean_inc(x_268);
-x_269 = lean_ctor_get(x_1, 3);
+x_269 = lean_ctor_get(x_1, 2);
 lean_inc(x_269);
+x_270 = lean_ctor_get(x_1, 3);
+lean_inc(x_270);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -20497,37 +20504,37 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_300 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_267, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_300) == 0)
-{
-lean_object* x_301; 
-x_301 = lean_ctor_get(x_300, 0);
-lean_inc(x_301);
+x_301 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_268, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_301) == 0)
 {
-lean_object* x_302; lean_object* x_303; 
+lean_object* x_302; 
+x_302 = lean_ctor_get(x_301, 0);
+lean_inc(x_302);
+if (lean_obj_tag(x_302) == 0)
+{
+lean_object* x_303; lean_object* x_304; 
+lean_dec(x_270);
 lean_dec(x_269);
-lean_dec(x_268);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_302 = lean_ctor_get(x_300, 1);
-lean_inc(x_302);
-lean_dec(x_300);
-x_303 = lean_box(0);
-x_270 = x_303;
-x_271 = x_302;
-goto block_299;
+x_303 = lean_ctor_get(x_301, 1);
+lean_inc(x_303);
+lean_dec(x_301);
+x_304 = lean_box(0);
+x_271 = x_304;
+x_272 = x_303;
+goto block_300;
 }
 else
 {
-lean_object* x_304; lean_object* x_305; 
+lean_object* x_305; lean_object* x_306; 
+lean_dec(x_302);
+x_305 = lean_ctor_get(x_301, 1);
+lean_inc(x_305);
 lean_dec(x_301);
-x_304 = lean_ctor_get(x_300, 1);
-lean_inc(x_304);
-lean_dec(x_300);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
@@ -20535,626 +20542,626 @@ lean_inc(x_5);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
-x_305 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_268, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_304);
-if (lean_obj_tag(x_305) == 0)
-{
-lean_object* x_306; 
-x_306 = lean_ctor_get(x_305, 0);
-lean_inc(x_306);
+x_306 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_269, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_305);
 if (lean_obj_tag(x_306) == 0)
 {
-lean_object* x_307; lean_object* x_308; 
-lean_dec(x_269);
+lean_object* x_307; 
+x_307 = lean_ctor_get(x_306, 0);
+lean_inc(x_307);
+if (lean_obj_tag(x_307) == 0)
+{
+lean_object* x_308; lean_object* x_309; 
+lean_dec(x_270);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_307 = lean_ctor_get(x_305, 1);
-lean_inc(x_307);
-lean_dec(x_305);
-x_308 = lean_box(0);
-x_270 = x_308;
-x_271 = x_307;
-goto block_299;
+x_308 = lean_ctor_get(x_306, 1);
+lean_inc(x_308);
+lean_dec(x_306);
+x_309 = lean_box(0);
+x_271 = x_309;
+x_272 = x_308;
+goto block_300;
 }
 else
 {
-lean_object* x_309; lean_object* x_310; 
+lean_object* x_310; lean_object* x_311; 
+lean_dec(x_307);
+x_310 = lean_ctor_get(x_306, 1);
+lean_inc(x_310);
 lean_dec(x_306);
-x_309 = lean_ctor_get(x_305, 1);
-lean_inc(x_309);
-lean_dec(x_305);
 lean_inc(x_8);
 lean_inc(x_2);
-x_310 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_269, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_309);
-if (lean_obj_tag(x_310) == 0)
+x_311 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_270, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_310);
+if (lean_obj_tag(x_311) == 0)
 {
-lean_object* x_311; lean_object* x_312; 
-x_311 = lean_ctor_get(x_310, 0);
-lean_inc(x_311);
-x_312 = lean_ctor_get(x_310, 1);
+lean_object* x_312; lean_object* x_313; 
+x_312 = lean_ctor_get(x_311, 0);
 lean_inc(x_312);
-lean_dec(x_310);
-x_270 = x_311;
+x_313 = lean_ctor_get(x_311, 1);
+lean_inc(x_313);
+lean_dec(x_311);
 x_271 = x_312;
-goto block_299;
+x_272 = x_313;
+goto block_300;
 }
 else
 {
-uint8_t x_313; 
+uint8_t x_314; 
 lean_dec(x_15);
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_313 = !lean_is_exclusive(x_310);
-if (x_313 == 0)
+x_314 = !lean_is_exclusive(x_311);
+if (x_314 == 0)
 {
-return x_310;
+return x_311;
 }
 else
 {
-lean_object* x_314; lean_object* x_315; lean_object* x_316; 
-x_314 = lean_ctor_get(x_310, 0);
-x_315 = lean_ctor_get(x_310, 1);
+lean_object* x_315; lean_object* x_316; lean_object* x_317; 
+x_315 = lean_ctor_get(x_311, 0);
+x_316 = lean_ctor_get(x_311, 1);
+lean_inc(x_316);
 lean_inc(x_315);
-lean_inc(x_314);
-lean_dec(x_310);
-x_316 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_316, 0, x_314);
-lean_ctor_set(x_316, 1, x_315);
-return x_316;
+lean_dec(x_311);
+x_317 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_317, 0, x_315);
+lean_ctor_set(x_317, 1, x_316);
+return x_317;
 }
 }
 }
 }
 else
 {
-uint8_t x_317; 
-lean_dec(x_269);
-lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_317 = !lean_is_exclusive(x_305);
-if (x_317 == 0)
-{
-return x_305;
-}
-else
-{
-lean_object* x_318; lean_object* x_319; lean_object* x_320; 
-x_318 = lean_ctor_get(x_305, 0);
-x_319 = lean_ctor_get(x_305, 1);
-lean_inc(x_319);
-lean_inc(x_318);
-lean_dec(x_305);
-x_320 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_320, 0, x_318);
-lean_ctor_set(x_320, 1, x_319);
-return x_320;
-}
-}
-}
-}
-else
-{
-uint8_t x_321; 
-lean_dec(x_269);
-lean_dec(x_268);
-lean_dec(x_15);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_321 = !lean_is_exclusive(x_300);
-if (x_321 == 0)
-{
-return x_300;
-}
-else
-{
-lean_object* x_322; lean_object* x_323; lean_object* x_324; 
-x_322 = lean_ctor_get(x_300, 0);
-x_323 = lean_ctor_get(x_300, 1);
-lean_inc(x_323);
-lean_inc(x_322);
-lean_dec(x_300);
-x_324 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_324, 0, x_322);
-lean_ctor_set(x_324, 1, x_323);
-return x_324;
-}
-}
-block_299:
-{
-if (lean_obj_tag(x_270) == 0)
-{
-lean_object* x_272; lean_object* x_273; 
-lean_dec(x_8);
-lean_dec(x_2);
-lean_dec(x_1);
-x_272 = lean_box(0);
-if (lean_is_scalar(x_15)) {
- x_273 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_273 = x_15;
-}
-lean_ctor_set(x_273, 0, x_272);
-lean_ctor_set(x_273, 1, x_271);
-return x_273;
-}
-else
-{
-uint8_t x_274; 
-lean_dec(x_15);
-x_274 = !lean_is_exclusive(x_270);
-if (x_274 == 0)
-{
-lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; uint8_t x_283; 
-x_275 = lean_ctor_get(x_270, 0);
-x_276 = lean_st_ref_get(x_8, x_271);
-lean_dec(x_8);
-x_277 = lean_ctor_get(x_276, 1);
-lean_inc(x_277);
-lean_dec(x_276);
-x_278 = lean_st_ref_take(x_2, x_277);
-x_279 = lean_ctor_get(x_278, 0);
-lean_inc(x_279);
-x_280 = lean_ctor_get(x_278, 1);
-lean_inc(x_280);
-lean_dec(x_278);
-lean_inc(x_275);
-x_281 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_279, x_1, x_275);
-x_282 = lean_st_ref_set(x_2, x_281, x_280);
-lean_dec(x_2);
-x_283 = !lean_is_exclusive(x_282);
-if (x_283 == 0)
-{
-lean_object* x_284; 
-x_284 = lean_ctor_get(x_282, 0);
-lean_dec(x_284);
-lean_ctor_set(x_282, 0, x_270);
-return x_282;
-}
-else
-{
-lean_object* x_285; lean_object* x_286; 
-x_285 = lean_ctor_get(x_282, 1);
-lean_inc(x_285);
-lean_dec(x_282);
-x_286 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_286, 0, x_270);
-lean_ctor_set(x_286, 1, x_285);
-return x_286;
-}
-}
-else
-{
-lean_object* x_287; lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; 
-x_287 = lean_ctor_get(x_270, 0);
-lean_inc(x_287);
+uint8_t x_318; 
 lean_dec(x_270);
-x_288 = lean_st_ref_get(x_8, x_271);
+lean_dec(x_15);
 lean_dec(x_8);
-x_289 = lean_ctor_get(x_288, 1);
-lean_inc(x_289);
-lean_dec(x_288);
-x_290 = lean_st_ref_take(x_2, x_289);
-x_291 = lean_ctor_get(x_290, 0);
-lean_inc(x_291);
-x_292 = lean_ctor_get(x_290, 1);
-lean_inc(x_292);
-lean_dec(x_290);
-lean_inc(x_287);
-x_293 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_291, x_1, x_287);
-x_294 = lean_st_ref_set(x_2, x_293, x_292);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
 lean_dec(x_2);
-x_295 = lean_ctor_get(x_294, 1);
-lean_inc(x_295);
-if (lean_is_exclusive(x_294)) {
- lean_ctor_release(x_294, 0);
- lean_ctor_release(x_294, 1);
- x_296 = x_294;
-} else {
- lean_dec_ref(x_294);
- x_296 = lean_box(0);
+lean_dec(x_1);
+x_318 = !lean_is_exclusive(x_306);
+if (x_318 == 0)
+{
+return x_306;
 }
-x_297 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_297, 0, x_287);
-if (lean_is_scalar(x_296)) {
- x_298 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_298 = x_296;
+else
+{
+lean_object* x_319; lean_object* x_320; lean_object* x_321; 
+x_319 = lean_ctor_get(x_306, 0);
+x_320 = lean_ctor_get(x_306, 1);
+lean_inc(x_320);
+lean_inc(x_319);
+lean_dec(x_306);
+x_321 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_321, 0, x_319);
+lean_ctor_set(x_321, 1, x_320);
+return x_321;
 }
-lean_ctor_set(x_298, 0, x_297);
-lean_ctor_set(x_298, 1, x_295);
-return x_298;
+}
+}
+}
+else
+{
+uint8_t x_322; 
+lean_dec(x_270);
+lean_dec(x_269);
+lean_dec(x_15);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_322 = !lean_is_exclusive(x_301);
+if (x_322 == 0)
+{
+return x_301;
+}
+else
+{
+lean_object* x_323; lean_object* x_324; lean_object* x_325; 
+x_323 = lean_ctor_get(x_301, 0);
+x_324 = lean_ctor_get(x_301, 1);
+lean_inc(x_324);
+lean_inc(x_323);
+lean_dec(x_301);
+x_325 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_325, 0, x_323);
+lean_ctor_set(x_325, 1, x_324);
+return x_325;
+}
+}
+block_300:
+{
+if (lean_obj_tag(x_271) == 0)
+{
+lean_object* x_273; lean_object* x_274; 
+lean_dec(x_8);
+lean_dec(x_2);
+lean_dec(x_1);
+x_273 = lean_box(0);
+if (lean_is_scalar(x_15)) {
+ x_274 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_274 = x_15;
+}
+lean_ctor_set(x_274, 0, x_273);
+lean_ctor_set(x_274, 1, x_272);
+return x_274;
+}
+else
+{
+uint8_t x_275; 
+lean_dec(x_15);
+x_275 = !lean_is_exclusive(x_271);
+if (x_275 == 0)
+{
+lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; lean_object* x_280; lean_object* x_281; lean_object* x_282; lean_object* x_283; uint8_t x_284; 
+x_276 = lean_ctor_get(x_271, 0);
+x_277 = lean_st_ref_get(x_8, x_272);
+lean_dec(x_8);
+x_278 = lean_ctor_get(x_277, 1);
+lean_inc(x_278);
+lean_dec(x_277);
+x_279 = lean_st_ref_take(x_2, x_278);
+x_280 = lean_ctor_get(x_279, 0);
+lean_inc(x_280);
+x_281 = lean_ctor_get(x_279, 1);
+lean_inc(x_281);
+lean_dec(x_279);
+lean_inc(x_276);
+x_282 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_280, x_1, x_276);
+x_283 = lean_st_ref_set(x_2, x_282, x_281);
+lean_dec(x_2);
+x_284 = !lean_is_exclusive(x_283);
+if (x_284 == 0)
+{
+lean_object* x_285; 
+x_285 = lean_ctor_get(x_283, 0);
+lean_dec(x_285);
+lean_ctor_set(x_283, 0, x_271);
+return x_283;
+}
+else
+{
+lean_object* x_286; lean_object* x_287; 
+x_286 = lean_ctor_get(x_283, 1);
+lean_inc(x_286);
+lean_dec(x_283);
+x_287 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_287, 0, x_271);
+lean_ctor_set(x_287, 1, x_286);
+return x_287;
+}
+}
+else
+{
+lean_object* x_288; lean_object* x_289; lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; lean_object* x_295; lean_object* x_296; lean_object* x_297; lean_object* x_298; lean_object* x_299; 
+x_288 = lean_ctor_get(x_271, 0);
+lean_inc(x_288);
+lean_dec(x_271);
+x_289 = lean_st_ref_get(x_8, x_272);
+lean_dec(x_8);
+x_290 = lean_ctor_get(x_289, 1);
+lean_inc(x_290);
+lean_dec(x_289);
+x_291 = lean_st_ref_take(x_2, x_290);
+x_292 = lean_ctor_get(x_291, 0);
+lean_inc(x_292);
+x_293 = lean_ctor_get(x_291, 1);
+lean_inc(x_293);
+lean_dec(x_291);
+lean_inc(x_288);
+x_294 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_292, x_1, x_288);
+x_295 = lean_st_ref_set(x_2, x_294, x_293);
+lean_dec(x_2);
+x_296 = lean_ctor_get(x_295, 1);
+lean_inc(x_296);
+if (lean_is_exclusive(x_295)) {
+ lean_ctor_release(x_295, 0);
+ lean_ctor_release(x_295, 1);
+ x_297 = x_295;
+} else {
+ lean_dec_ref(x_295);
+ x_297 = lean_box(0);
+}
+x_298 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_298, 0, x_288);
+if (lean_is_scalar(x_297)) {
+ x_299 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_299 = x_297;
+}
+lean_ctor_set(x_299, 0, x_298);
+lean_ctor_set(x_299, 1, x_296);
+return x_299;
 }
 }
 }
 }
 case 10:
 {
-lean_object* x_325; lean_object* x_326; 
+lean_object* x_326; lean_object* x_327; 
 lean_dec(x_15);
-x_325 = lean_ctor_get(x_1, 1);
-lean_inc(x_325);
+x_326 = lean_ctor_get(x_1, 1);
+lean_inc(x_326);
 lean_inc(x_8);
 lean_inc(x_2);
-x_326 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_325, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_326) == 0)
-{
-lean_object* x_327; 
-x_327 = lean_ctor_get(x_326, 0);
-lean_inc(x_327);
+x_327 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_326, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_327) == 0)
 {
-uint8_t x_328; 
+lean_object* x_328; 
+x_328 = lean_ctor_get(x_327, 0);
+lean_inc(x_328);
+if (lean_obj_tag(x_328) == 0)
+{
+uint8_t x_329; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_328 = !lean_is_exclusive(x_326);
-if (x_328 == 0)
+x_329 = !lean_is_exclusive(x_327);
+if (x_329 == 0)
 {
-lean_object* x_329; lean_object* x_330; 
-x_329 = lean_ctor_get(x_326, 0);
-lean_dec(x_329);
-x_330 = lean_box(0);
-lean_ctor_set(x_326, 0, x_330);
-return x_326;
+lean_object* x_330; lean_object* x_331; 
+x_330 = lean_ctor_get(x_327, 0);
+lean_dec(x_330);
+x_331 = lean_box(0);
+lean_ctor_set(x_327, 0, x_331);
+return x_327;
 }
 else
 {
-lean_object* x_331; lean_object* x_332; lean_object* x_333; 
-x_331 = lean_ctor_get(x_326, 1);
-lean_inc(x_331);
-lean_dec(x_326);
-x_332 = lean_box(0);
-x_333 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_333, 0, x_332);
-lean_ctor_set(x_333, 1, x_331);
-return x_333;
-}
-}
-else
-{
-lean_object* x_334; uint8_t x_335; 
-x_334 = lean_ctor_get(x_326, 1);
-lean_inc(x_334);
-lean_dec(x_326);
-x_335 = !lean_is_exclusive(x_327);
-if (x_335 == 0)
-{
-lean_object* x_336; lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; uint8_t x_344; 
-x_336 = lean_ctor_get(x_327, 0);
-x_337 = lean_st_ref_get(x_8, x_334);
-lean_dec(x_8);
-x_338 = lean_ctor_get(x_337, 1);
-lean_inc(x_338);
-lean_dec(x_337);
-x_339 = lean_st_ref_take(x_2, x_338);
-x_340 = lean_ctor_get(x_339, 0);
-lean_inc(x_340);
-x_341 = lean_ctor_get(x_339, 1);
-lean_inc(x_341);
-lean_dec(x_339);
-lean_inc(x_336);
-x_342 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_340, x_1, x_336);
-x_343 = lean_st_ref_set(x_2, x_342, x_341);
-lean_dec(x_2);
-x_344 = !lean_is_exclusive(x_343);
-if (x_344 == 0)
-{
-lean_object* x_345; 
-x_345 = lean_ctor_get(x_343, 0);
-lean_dec(x_345);
-lean_ctor_set(x_343, 0, x_327);
-return x_343;
-}
-else
-{
-lean_object* x_346; lean_object* x_347; 
-x_346 = lean_ctor_get(x_343, 1);
-lean_inc(x_346);
-lean_dec(x_343);
-x_347 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_347, 0, x_327);
-lean_ctor_set(x_347, 1, x_346);
-return x_347;
-}
-}
-else
-{
-lean_object* x_348; lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; 
-x_348 = lean_ctor_get(x_327, 0);
-lean_inc(x_348);
+lean_object* x_332; lean_object* x_333; lean_object* x_334; 
+x_332 = lean_ctor_get(x_327, 1);
+lean_inc(x_332);
 lean_dec(x_327);
-x_349 = lean_st_ref_get(x_8, x_334);
+x_333 = lean_box(0);
+x_334 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_334, 0, x_333);
+lean_ctor_set(x_334, 1, x_332);
+return x_334;
+}
+}
+else
+{
+lean_object* x_335; uint8_t x_336; 
+x_335 = lean_ctor_get(x_327, 1);
+lean_inc(x_335);
+lean_dec(x_327);
+x_336 = !lean_is_exclusive(x_328);
+if (x_336 == 0)
+{
+lean_object* x_337; lean_object* x_338; lean_object* x_339; lean_object* x_340; lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; uint8_t x_345; 
+x_337 = lean_ctor_get(x_328, 0);
+x_338 = lean_st_ref_get(x_8, x_335);
 lean_dec(x_8);
-x_350 = lean_ctor_get(x_349, 1);
-lean_inc(x_350);
-lean_dec(x_349);
-x_351 = lean_st_ref_take(x_2, x_350);
-x_352 = lean_ctor_get(x_351, 0);
-lean_inc(x_352);
-x_353 = lean_ctor_get(x_351, 1);
-lean_inc(x_353);
-lean_dec(x_351);
-lean_inc(x_348);
-x_354 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_352, x_1, x_348);
-x_355 = lean_st_ref_set(x_2, x_354, x_353);
+x_339 = lean_ctor_get(x_338, 1);
+lean_inc(x_339);
+lean_dec(x_338);
+x_340 = lean_st_ref_take(x_2, x_339);
+x_341 = lean_ctor_get(x_340, 0);
+lean_inc(x_341);
+x_342 = lean_ctor_get(x_340, 1);
+lean_inc(x_342);
+lean_dec(x_340);
+lean_inc(x_337);
+x_343 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_341, x_1, x_337);
+x_344 = lean_st_ref_set(x_2, x_343, x_342);
 lean_dec(x_2);
-x_356 = lean_ctor_get(x_355, 1);
-lean_inc(x_356);
-if (lean_is_exclusive(x_355)) {
- lean_ctor_release(x_355, 0);
- lean_ctor_release(x_355, 1);
- x_357 = x_355;
-} else {
- lean_dec_ref(x_355);
- x_357 = lean_box(0);
+x_345 = !lean_is_exclusive(x_344);
+if (x_345 == 0)
+{
+lean_object* x_346; 
+x_346 = lean_ctor_get(x_344, 0);
+lean_dec(x_346);
+lean_ctor_set(x_344, 0, x_328);
+return x_344;
 }
-x_358 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_358, 0, x_348);
-if (lean_is_scalar(x_357)) {
- x_359 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_359 = x_357;
+else
+{
+lean_object* x_347; lean_object* x_348; 
+x_347 = lean_ctor_get(x_344, 1);
+lean_inc(x_347);
+lean_dec(x_344);
+x_348 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_348, 0, x_328);
+lean_ctor_set(x_348, 1, x_347);
+return x_348;
 }
-lean_ctor_set(x_359, 0, x_358);
-lean_ctor_set(x_359, 1, x_356);
-return x_359;
+}
+else
+{
+lean_object* x_349; lean_object* x_350; lean_object* x_351; lean_object* x_352; lean_object* x_353; lean_object* x_354; lean_object* x_355; lean_object* x_356; lean_object* x_357; lean_object* x_358; lean_object* x_359; lean_object* x_360; 
+x_349 = lean_ctor_get(x_328, 0);
+lean_inc(x_349);
+lean_dec(x_328);
+x_350 = lean_st_ref_get(x_8, x_335);
+lean_dec(x_8);
+x_351 = lean_ctor_get(x_350, 1);
+lean_inc(x_351);
+lean_dec(x_350);
+x_352 = lean_st_ref_take(x_2, x_351);
+x_353 = lean_ctor_get(x_352, 0);
+lean_inc(x_353);
+x_354 = lean_ctor_get(x_352, 1);
+lean_inc(x_354);
+lean_dec(x_352);
+lean_inc(x_349);
+x_355 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_353, x_1, x_349);
+x_356 = lean_st_ref_set(x_2, x_355, x_354);
+lean_dec(x_2);
+x_357 = lean_ctor_get(x_356, 1);
+lean_inc(x_357);
+if (lean_is_exclusive(x_356)) {
+ lean_ctor_release(x_356, 0);
+ lean_ctor_release(x_356, 1);
+ x_358 = x_356;
+} else {
+ lean_dec_ref(x_356);
+ x_358 = lean_box(0);
+}
+x_359 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_359, 0, x_349);
+if (lean_is_scalar(x_358)) {
+ x_360 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_360 = x_358;
+}
+lean_ctor_set(x_360, 0, x_359);
+lean_ctor_set(x_360, 1, x_357);
+return x_360;
 }
 }
 }
 else
 {
-uint8_t x_360; 
+uint8_t x_361; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_360 = !lean_is_exclusive(x_326);
-if (x_360 == 0)
+x_361 = !lean_is_exclusive(x_327);
+if (x_361 == 0)
 {
-return x_326;
+return x_327;
 }
 else
 {
-lean_object* x_361; lean_object* x_362; lean_object* x_363; 
-x_361 = lean_ctor_get(x_326, 0);
-x_362 = lean_ctor_get(x_326, 1);
+lean_object* x_362; lean_object* x_363; lean_object* x_364; 
+x_362 = lean_ctor_get(x_327, 0);
+x_363 = lean_ctor_get(x_327, 1);
+lean_inc(x_363);
 lean_inc(x_362);
-lean_inc(x_361);
-lean_dec(x_326);
-x_363 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_363, 0, x_361);
-lean_ctor_set(x_363, 1, x_362);
-return x_363;
+lean_dec(x_327);
+x_364 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_364, 0, x_362);
+lean_ctor_set(x_364, 1, x_363);
+return x_364;
 }
 }
 }
 case 11:
 {
-lean_object* x_364; lean_object* x_365; 
+lean_object* x_365; lean_object* x_366; 
 lean_dec(x_15);
-x_364 = lean_ctor_get(x_1, 2);
-lean_inc(x_364);
+x_365 = lean_ctor_get(x_1, 2);
+lean_inc(x_365);
 lean_inc(x_8);
 lean_inc(x_2);
-x_365 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_364, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
-if (lean_obj_tag(x_365) == 0)
-{
-lean_object* x_366; 
-x_366 = lean_ctor_get(x_365, 0);
-lean_inc(x_366);
+x_366 = l_Lean_Elab_Term_ContainsPendingMVar_visit(x_365, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_14);
 if (lean_obj_tag(x_366) == 0)
 {
-uint8_t x_367; 
+lean_object* x_367; 
+x_367 = lean_ctor_get(x_366, 0);
+lean_inc(x_367);
+if (lean_obj_tag(x_367) == 0)
+{
+uint8_t x_368; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_367 = !lean_is_exclusive(x_365);
-if (x_367 == 0)
+x_368 = !lean_is_exclusive(x_366);
+if (x_368 == 0)
 {
-lean_object* x_368; lean_object* x_369; 
-x_368 = lean_ctor_get(x_365, 0);
-lean_dec(x_368);
-x_369 = lean_box(0);
-lean_ctor_set(x_365, 0, x_369);
-return x_365;
+lean_object* x_369; lean_object* x_370; 
+x_369 = lean_ctor_get(x_366, 0);
+lean_dec(x_369);
+x_370 = lean_box(0);
+lean_ctor_set(x_366, 0, x_370);
+return x_366;
 }
 else
 {
-lean_object* x_370; lean_object* x_371; lean_object* x_372; 
-x_370 = lean_ctor_get(x_365, 1);
-lean_inc(x_370);
-lean_dec(x_365);
-x_371 = lean_box(0);
-x_372 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_372, 0, x_371);
-lean_ctor_set(x_372, 1, x_370);
-return x_372;
-}
-}
-else
-{
-lean_object* x_373; uint8_t x_374; 
-x_373 = lean_ctor_get(x_365, 1);
-lean_inc(x_373);
-lean_dec(x_365);
-x_374 = !lean_is_exclusive(x_366);
-if (x_374 == 0)
-{
-lean_object* x_375; lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; uint8_t x_383; 
-x_375 = lean_ctor_get(x_366, 0);
-x_376 = lean_st_ref_get(x_8, x_373);
-lean_dec(x_8);
-x_377 = lean_ctor_get(x_376, 1);
-lean_inc(x_377);
-lean_dec(x_376);
-x_378 = lean_st_ref_take(x_2, x_377);
-x_379 = lean_ctor_get(x_378, 0);
-lean_inc(x_379);
-x_380 = lean_ctor_get(x_378, 1);
-lean_inc(x_380);
-lean_dec(x_378);
-lean_inc(x_375);
-x_381 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_379, x_1, x_375);
-x_382 = lean_st_ref_set(x_2, x_381, x_380);
-lean_dec(x_2);
-x_383 = !lean_is_exclusive(x_382);
-if (x_383 == 0)
-{
-lean_object* x_384; 
-x_384 = lean_ctor_get(x_382, 0);
-lean_dec(x_384);
-lean_ctor_set(x_382, 0, x_366);
-return x_382;
-}
-else
-{
-lean_object* x_385; lean_object* x_386; 
-x_385 = lean_ctor_get(x_382, 1);
-lean_inc(x_385);
-lean_dec(x_382);
-x_386 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_386, 0, x_366);
-lean_ctor_set(x_386, 1, x_385);
-return x_386;
-}
-}
-else
-{
-lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; 
-x_387 = lean_ctor_get(x_366, 0);
-lean_inc(x_387);
+lean_object* x_371; lean_object* x_372; lean_object* x_373; 
+x_371 = lean_ctor_get(x_366, 1);
+lean_inc(x_371);
 lean_dec(x_366);
-x_388 = lean_st_ref_get(x_8, x_373);
+x_372 = lean_box(0);
+x_373 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_373, 0, x_372);
+lean_ctor_set(x_373, 1, x_371);
+return x_373;
+}
+}
+else
+{
+lean_object* x_374; uint8_t x_375; 
+x_374 = lean_ctor_get(x_366, 1);
+lean_inc(x_374);
+lean_dec(x_366);
+x_375 = !lean_is_exclusive(x_367);
+if (x_375 == 0)
+{
+lean_object* x_376; lean_object* x_377; lean_object* x_378; lean_object* x_379; lean_object* x_380; lean_object* x_381; lean_object* x_382; lean_object* x_383; uint8_t x_384; 
+x_376 = lean_ctor_get(x_367, 0);
+x_377 = lean_st_ref_get(x_8, x_374);
 lean_dec(x_8);
-x_389 = lean_ctor_get(x_388, 1);
-lean_inc(x_389);
-lean_dec(x_388);
-x_390 = lean_st_ref_take(x_2, x_389);
-x_391 = lean_ctor_get(x_390, 0);
-lean_inc(x_391);
-x_392 = lean_ctor_get(x_390, 1);
-lean_inc(x_392);
-lean_dec(x_390);
-lean_inc(x_387);
-x_393 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_391, x_1, x_387);
-x_394 = lean_st_ref_set(x_2, x_393, x_392);
+x_378 = lean_ctor_get(x_377, 1);
+lean_inc(x_378);
+lean_dec(x_377);
+x_379 = lean_st_ref_take(x_2, x_378);
+x_380 = lean_ctor_get(x_379, 0);
+lean_inc(x_380);
+x_381 = lean_ctor_get(x_379, 1);
+lean_inc(x_381);
+lean_dec(x_379);
+lean_inc(x_376);
+x_382 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_380, x_1, x_376);
+x_383 = lean_st_ref_set(x_2, x_382, x_381);
 lean_dec(x_2);
-x_395 = lean_ctor_get(x_394, 1);
-lean_inc(x_395);
-if (lean_is_exclusive(x_394)) {
- lean_ctor_release(x_394, 0);
- lean_ctor_release(x_394, 1);
- x_396 = x_394;
-} else {
- lean_dec_ref(x_394);
- x_396 = lean_box(0);
+x_384 = !lean_is_exclusive(x_383);
+if (x_384 == 0)
+{
+lean_object* x_385; 
+x_385 = lean_ctor_get(x_383, 0);
+lean_dec(x_385);
+lean_ctor_set(x_383, 0, x_367);
+return x_383;
 }
-x_397 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_397, 0, x_387);
-if (lean_is_scalar(x_396)) {
- x_398 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_398 = x_396;
+else
+{
+lean_object* x_386; lean_object* x_387; 
+x_386 = lean_ctor_get(x_383, 1);
+lean_inc(x_386);
+lean_dec(x_383);
+x_387 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_387, 0, x_367);
+lean_ctor_set(x_387, 1, x_386);
+return x_387;
 }
-lean_ctor_set(x_398, 0, x_397);
-lean_ctor_set(x_398, 1, x_395);
-return x_398;
+}
+else
+{
+lean_object* x_388; lean_object* x_389; lean_object* x_390; lean_object* x_391; lean_object* x_392; lean_object* x_393; lean_object* x_394; lean_object* x_395; lean_object* x_396; lean_object* x_397; lean_object* x_398; lean_object* x_399; 
+x_388 = lean_ctor_get(x_367, 0);
+lean_inc(x_388);
+lean_dec(x_367);
+x_389 = lean_st_ref_get(x_8, x_374);
+lean_dec(x_8);
+x_390 = lean_ctor_get(x_389, 1);
+lean_inc(x_390);
+lean_dec(x_389);
+x_391 = lean_st_ref_take(x_2, x_390);
+x_392 = lean_ctor_get(x_391, 0);
+lean_inc(x_392);
+x_393 = lean_ctor_get(x_391, 1);
+lean_inc(x_393);
+lean_dec(x_391);
+lean_inc(x_388);
+x_394 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_392, x_1, x_388);
+x_395 = lean_st_ref_set(x_2, x_394, x_393);
+lean_dec(x_2);
+x_396 = lean_ctor_get(x_395, 1);
+lean_inc(x_396);
+if (lean_is_exclusive(x_395)) {
+ lean_ctor_release(x_395, 0);
+ lean_ctor_release(x_395, 1);
+ x_397 = x_395;
+} else {
+ lean_dec_ref(x_395);
+ x_397 = lean_box(0);
+}
+x_398 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_398, 0, x_388);
+if (lean_is_scalar(x_397)) {
+ x_399 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_399 = x_397;
+}
+lean_ctor_set(x_399, 0, x_398);
+lean_ctor_set(x_399, 1, x_396);
+return x_399;
 }
 }
 }
 else
 {
-uint8_t x_399; 
+uint8_t x_400; 
 lean_dec(x_8);
 lean_dec(x_2);
 lean_dec(x_1);
-x_399 = !lean_is_exclusive(x_365);
-if (x_399 == 0)
+x_400 = !lean_is_exclusive(x_366);
+if (x_400 == 0)
 {
-return x_365;
+return x_366;
 }
 else
 {
-lean_object* x_400; lean_object* x_401; lean_object* x_402; 
-x_400 = lean_ctor_get(x_365, 0);
-x_401 = lean_ctor_get(x_365, 1);
+lean_object* x_401; lean_object* x_402; lean_object* x_403; 
+x_401 = lean_ctor_get(x_366, 0);
+x_402 = lean_ctor_get(x_366, 1);
+lean_inc(x_402);
 lean_inc(x_401);
-lean_inc(x_400);
-lean_dec(x_365);
-x_402 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_402, 0, x_400);
-lean_ctor_set(x_402, 1, x_401);
-return x_402;
+lean_dec(x_366);
+x_403 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_403, 0, x_401);
+lean_ctor_set(x_403, 1, x_402);
+return x_403;
 }
 }
 }
 default: 
 {
-lean_object* x_403; lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; uint8_t x_411; 
+lean_object* x_404; lean_object* x_405; lean_object* x_406; lean_object* x_407; lean_object* x_408; lean_object* x_409; lean_object* x_410; lean_object* x_411; uint8_t x_412; 
 lean_dec(x_15);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-x_403 = lean_st_ref_get(x_8, x_14);
+x_404 = lean_st_ref_get(x_8, x_14);
 lean_dec(x_8);
-x_404 = lean_ctor_get(x_403, 1);
-lean_inc(x_404);
-lean_dec(x_403);
-x_405 = lean_st_ref_take(x_2, x_404);
-x_406 = lean_ctor_get(x_405, 0);
-lean_inc(x_406);
-x_407 = lean_ctor_get(x_405, 1);
+x_405 = lean_ctor_get(x_404, 1);
+lean_inc(x_405);
+lean_dec(x_404);
+x_406 = lean_st_ref_take(x_2, x_405);
+x_407 = lean_ctor_get(x_406, 0);
 lean_inc(x_407);
-lean_dec(x_405);
-x_408 = lean_box(0);
-x_409 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_406, x_1, x_408);
-x_410 = lean_st_ref_set(x_2, x_409, x_407);
+x_408 = lean_ctor_get(x_406, 1);
+lean_inc(x_408);
+lean_dec(x_406);
+x_409 = lean_box(0);
+x_410 = l_Std_HashMap_insert___at_Lean_Meta_ToHide_visitVisibleExpr_visit___spec__3(x_407, x_1, x_409);
+x_411 = lean_st_ref_set(x_2, x_410, x_408);
 lean_dec(x_2);
-x_411 = !lean_is_exclusive(x_410);
-if (x_411 == 0)
+x_412 = !lean_is_exclusive(x_411);
+if (x_412 == 0)
 {
-lean_object* x_412; lean_object* x_413; 
-x_412 = lean_ctor_get(x_410, 0);
-lean_dec(x_412);
-x_413 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-lean_ctor_set(x_410, 0, x_413);
-return x_410;
+lean_object* x_413; lean_object* x_414; 
+x_413 = lean_ctor_get(x_411, 0);
+lean_dec(x_413);
+x_414 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
+lean_ctor_set(x_411, 0, x_414);
+return x_411;
 }
 else
 {
-lean_object* x_414; lean_object* x_415; lean_object* x_416; 
-x_414 = lean_ctor_get(x_410, 1);
-lean_inc(x_414);
-lean_dec(x_410);
-x_415 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
-x_416 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_416, 0, x_415);
-lean_ctor_set(x_416, 1, x_414);
-return x_416;
+lean_object* x_415; lean_object* x_416; lean_object* x_417; 
+x_415 = lean_ctor_get(x_411, 1);
+lean_inc(x_415);
+lean_dec(x_411);
+x_416 = l_Lean_markUsedAssignment___at_Lean_Elab_Term_ContainsPendingMVar_visit___spec__3___rarg___closed__1;
+x_417 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_417, 0, x_416);
+lean_ctor_set(x_417, 1, x_415);
+return x_417;
 }
 }
 }
 }
 else
 {
-uint8_t x_417; 
+uint8_t x_418; 
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
@@ -21163,35 +21170,35 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_417 = !lean_is_exclusive(x_16);
-if (x_417 == 0)
+x_418 = !lean_is_exclusive(x_16);
+if (x_418 == 0)
 {
-lean_object* x_418; 
+lean_object* x_419; 
 if (lean_is_scalar(x_15)) {
- x_418 = lean_alloc_ctor(0, 2, 0);
+ x_419 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_418 = x_15;
+ x_419 = x_15;
 }
-lean_ctor_set(x_418, 0, x_16);
-lean_ctor_set(x_418, 1, x_14);
-return x_418;
+lean_ctor_set(x_419, 0, x_16);
+lean_ctor_set(x_419, 1, x_14);
+return x_419;
 }
 else
 {
-lean_object* x_419; lean_object* x_420; lean_object* x_421; 
-x_419 = lean_ctor_get(x_16, 0);
-lean_inc(x_419);
+lean_object* x_420; lean_object* x_421; lean_object* x_422; 
+x_420 = lean_ctor_get(x_16, 0);
+lean_inc(x_420);
 lean_dec(x_16);
-x_420 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_420, 0, x_419);
-if (lean_is_scalar(x_15)) {
- x_421 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_421 = x_15;
-}
+x_421 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_421, 0, x_420);
-lean_ctor_set(x_421, 1, x_14);
-return x_421;
+if (lean_is_scalar(x_15)) {
+ x_422 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_422 = x_15;
+}
+lean_ctor_set(x_422, 0, x_421);
+lean_ctor_set(x_422, 1, x_14);
+return x_422;
 }
 }
 }
@@ -22698,7 +22705,7 @@ lean_dec(x_3);
 return x_12;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -22706,17 +22713,17 @@ x_1 = lean_mk_string_from_bytes("autoLift", 8);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -22724,13 +22731,13 @@ x_1 = lean_mk_string_from_bytes("insert monadic lifts (i.e., `liftM` and coercio
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = 1;
 x_2 = l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__1;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3;
 x_4 = lean_box(x_1);
 x_5 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_5, 0, x_4);
@@ -22739,17 +22746,17 @@ lean_ctor_set(x_5, 2, x_3);
 return x_5;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4;
 x_4 = l_Lean_Option_register___at_Lean_Elab_initFn____x40_Lean_Elab_AutoBound___hyg_6____spec__1(x_2, x_3, x_1);
 return x_4;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -22757,17 +22764,17 @@ x_1 = lean_mk_string_from_bytes("maxCoeSize", 10);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -22775,13 +22782,13 @@ x_1 = lean_mk_string_from_bytes("maximum number of instances used to construct a
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = lean_unsigned_to_nat(16u);
 x_2 = l_Lean_Elab_ContextInfo_saveNoFileMap___at_Lean_Elab_Term_withoutModifyingElabMetaStateWithInfo___spec__4___rarg___closed__1;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -22789,12 +22796,12 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2;
-x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2;
+x_3 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4;
 x_4 = l_Lean_Option_register___at_Lean_initFn____x40_Lean_Util_RecDepth___hyg_6____spec__1(x_2, x_3, x_1);
 return x_4;
 }
@@ -23480,6 +23487,337 @@ return x_61;
 }
 }
 }
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("_traceMsg", 9);
+return x_1;
+}
+}
+static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+x_10 = lean_ctor_get(x_7, 5);
+x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_5, x_6, x_7, x_8, x_9);
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+x_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_12);
+x_15 = lean_st_ref_take(x_8, x_13);
+x_16 = lean_ctor_get(x_15, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_16, 3);
+lean_inc(x_17);
+x_18 = lean_ctor_get(x_15, 1);
+lean_inc(x_18);
+lean_dec(x_15);
+x_19 = !lean_is_exclusive(x_16);
+if (x_19 == 0)
+{
+lean_object* x_20; uint8_t x_21; 
+x_20 = lean_ctor_get(x_16, 3);
+lean_dec(x_20);
+x_21 = !lean_is_exclusive(x_17);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
+x_22 = lean_ctor_get(x_17, 0);
+x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2;
+x_24 = l_Lean_Name_append(x_1, x_23);
+x_25 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_25, 0, x_1);
+x_26 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
+x_27 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_27, 0, x_26);
+lean_ctor_set(x_27, 1, x_25);
+x_28 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
+x_29 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_29, 0, x_27);
+lean_ctor_set(x_29, 1, x_28);
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_29);
+lean_ctor_set(x_30, 1, x_14);
+x_31 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+x_33 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_33, 0, x_24);
+lean_ctor_set(x_33, 1, x_32);
+lean_inc(x_10);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_10);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Std_PersistentArray_push___rarg(x_22, x_34);
+lean_ctor_set(x_17, 0, x_35);
+x_36 = lean_st_ref_set(x_8, x_16, x_18);
+x_37 = !lean_is_exclusive(x_36);
+if (x_37 == 0)
+{
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_36, 0);
+lean_dec(x_38);
+x_39 = lean_box(0);
+lean_ctor_set(x_36, 0, x_39);
+return x_36;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_36, 1);
+lean_inc(x_40);
+lean_dec(x_36);
+x_41 = lean_box(0);
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_40);
+return x_42;
+}
+}
+else
+{
+uint8_t x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_43 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
+x_44 = lean_ctor_get(x_17, 0);
+lean_inc(x_44);
+lean_dec(x_17);
+x_45 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2;
+x_46 = l_Lean_Name_append(x_1, x_45);
+x_47 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_47, 0, x_1);
+x_48 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
+x_49 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_49, 0, x_48);
+lean_ctor_set(x_49, 1, x_47);
+x_50 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
+x_51 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_51, 0, x_49);
+lean_ctor_set(x_51, 1, x_50);
+x_52 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_52, 0, x_51);
+lean_ctor_set(x_52, 1, x_14);
+x_53 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
+x_54 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+x_55 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_55, 0, x_46);
+lean_ctor_set(x_55, 1, x_54);
+lean_inc(x_10);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_10);
+lean_ctor_set(x_56, 1, x_55);
+x_57 = l_Std_PersistentArray_push___rarg(x_44, x_56);
+x_58 = lean_alloc_ctor(0, 1, 1);
+lean_ctor_set(x_58, 0, x_57);
+lean_ctor_set_uint8(x_58, sizeof(void*)*1, x_43);
+lean_ctor_set(x_16, 3, x_58);
+x_59 = lean_st_ref_set(x_8, x_16, x_18);
+x_60 = lean_ctor_get(x_59, 1);
+lean_inc(x_60);
+if (lean_is_exclusive(x_59)) {
+ lean_ctor_release(x_59, 0);
+ lean_ctor_release(x_59, 1);
+ x_61 = x_59;
+} else {
+ lean_dec_ref(x_59);
+ x_61 = lean_box(0);
+}
+x_62 = lean_box(0);
+if (lean_is_scalar(x_61)) {
+ x_63 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_63 = x_61;
+}
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_60);
+return x_63;
+}
+}
+else
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
+x_64 = lean_ctor_get(x_16, 0);
+x_65 = lean_ctor_get(x_16, 1);
+x_66 = lean_ctor_get(x_16, 2);
+x_67 = lean_ctor_get(x_16, 4);
+x_68 = lean_ctor_get(x_16, 5);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_inc(x_66);
+lean_inc(x_65);
+lean_inc(x_64);
+lean_dec(x_16);
+x_69 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
+x_70 = lean_ctor_get(x_17, 0);
+lean_inc(x_70);
+if (lean_is_exclusive(x_17)) {
+ lean_ctor_release(x_17, 0);
+ x_71 = x_17;
+} else {
+ lean_dec_ref(x_17);
+ x_71 = lean_box(0);
+}
+x_72 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2;
+x_73 = l_Lean_Name_append(x_1, x_72);
+x_74 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_74, 0, x_1);
+x_75 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
+x_76 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_74);
+x_77 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
+x_78 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+x_79 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_79, 0, x_78);
+lean_ctor_set(x_79, 1, x_14);
+x_80 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
+x_81 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_81, 0, x_79);
+lean_ctor_set(x_81, 1, x_80);
+x_82 = lean_alloc_ctor(11, 2, 0);
+lean_ctor_set(x_82, 0, x_73);
+lean_ctor_set(x_82, 1, x_81);
+lean_inc(x_10);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_10);
+lean_ctor_set(x_83, 1, x_82);
+x_84 = l_Std_PersistentArray_push___rarg(x_70, x_83);
+if (lean_is_scalar(x_71)) {
+ x_85 = lean_alloc_ctor(0, 1, 1);
+} else {
+ x_85 = x_71;
+}
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set_uint8(x_85, sizeof(void*)*1, x_69);
+x_86 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_86, 0, x_64);
+lean_ctor_set(x_86, 1, x_65);
+lean_ctor_set(x_86, 2, x_66);
+lean_ctor_set(x_86, 3, x_85);
+lean_ctor_set(x_86, 4, x_67);
+lean_ctor_set(x_86, 5, x_68);
+x_87 = lean_st_ref_set(x_8, x_86, x_18);
+x_88 = lean_ctor_get(x_87, 1);
+lean_inc(x_88);
+if (lean_is_exclusive(x_87)) {
+ lean_ctor_release(x_87, 0);
+ lean_ctor_release(x_87, 1);
+ x_89 = x_87;
+} else {
+ lean_dec_ref(x_87);
+ x_89 = lean_box(0);
+}
+x_90 = lean_box(0);
+if (lean_is_scalar(x_89)) {
+ x_91 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_91 = x_89;
+}
+lean_ctor_set(x_91, 0, x_90);
+lean_ctor_set(x_91, 1, x_88);
+return x_91;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_ctor_get(x_6, 2);
+x_10 = l_Lean_checkTraceOption(x_9, x_1);
+x_11 = lean_box(x_10);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_8);
+return x_12;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l_Lean_Elab_Term_mkCoe(x_1, x_2, x_3, x_4, x_5, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+return x_14;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
+x_2 = l_Lean_Elab_Term_instToStringSyntheticMVarKind___closed__2;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("adding coercion for ", 20);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(" : ", 3);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes(" =?= ", 5);
+return x_1;
+}
+}
+static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6;
+x_2 = l_Lean_stringToMessageData(x_1);
+return x_2;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
 _start:
 {
@@ -23519,58 +23857,102 @@ x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
 if (lean_obj_tag(x_18) == 0)
 {
-lean_object* x_19; lean_object* x_20; 
+lean_object* x_19; lean_object* x_20; uint8_t x_21; lean_object* x_22; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
 x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
 lean_dec(x_17);
-x_20 = l_Lean_Elab_Term_mkCoe(x_2, x_3, x_4, x_5, x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_19);
-return x_20;
+x_20 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1;
+x_41 = lean_st_ref_get(x_11, x_19);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_42, 3);
+lean_inc(x_43);
+lean_dec(x_42);
+x_44 = lean_ctor_get_uint8(x_43, sizeof(void*)*1);
+lean_dec(x_43);
+if (x_44 == 0)
+{
+lean_object* x_45; uint8_t x_46; 
+x_45 = lean_ctor_get(x_41, 1);
+lean_inc(x_45);
+lean_dec(x_41);
+x_46 = 0;
+x_21 = x_46;
+x_22 = x_45;
+goto block_40;
 }
 else
 {
-uint8_t x_21; 
-lean_dec(x_11);
-lean_dec(x_10);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_21 = !lean_is_exclusive(x_17);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
+x_47 = lean_ctor_get(x_41, 1);
+lean_inc(x_47);
+lean_dec(x_41);
+x_48 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_20, x_6, x_7, x_8, x_9, x_10, x_11, x_47);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
+lean_inc(x_50);
+lean_dec(x_48);
+x_51 = lean_unbox(x_49);
+lean_dec(x_49);
+x_21 = x_51;
+x_22 = x_50;
+goto block_40;
+}
+block_40:
+{
 if (x_21 == 0)
 {
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_17, 0);
-lean_dec(x_22);
-x_23 = lean_ctor_get(x_18, 0);
-lean_inc(x_23);
-lean_dec(x_18);
-lean_ctor_set(x_17, 0, x_23);
-return x_17;
+lean_object* x_23; 
+x_23 = l_Lean_Elab_Term_mkCoe(x_2, x_3, x_4, x_5, x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_22);
+return x_23;
 }
 else
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_24 = lean_ctor_get(x_17, 1);
-lean_inc(x_24);
-lean_dec(x_17);
-x_25 = lean_ctor_get(x_18, 0);
-lean_inc(x_25);
-lean_dec(x_18);
-x_26 = lean_alloc_ctor(0, 2, 0);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+lean_inc(x_4);
+x_24 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_24, 0, x_4);
+x_25 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3;
+x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_25);
 lean_ctor_set(x_26, 1, x_24);
-return x_26;
+x_27 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5;
+x_28 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_28, 0, x_26);
+lean_ctor_set(x_28, 1, x_27);
+lean_inc(x_3);
+x_29 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_29, 0, x_3);
+x_30 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_30, 0, x_28);
+lean_ctor_set(x_30, 1, x_29);
+x_31 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7;
+x_32 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+lean_inc(x_2);
+x_33 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_33, 0, x_2);
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+x_35 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_20, x_36, x_6, x_7, x_8, x_9, x_10, x_11, x_22);
+x_38 = lean_ctor_get(x_37, 1);
+lean_inc(x_38);
+lean_dec(x_37);
+x_39 = l_Lean_Elab_Term_mkCoe(x_2, x_3, x_4, x_5, x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_38);
+return x_39;
 }
 }
 }
 else
 {
-uint8_t x_27; 
+uint8_t x_52; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -23582,29 +23964,71 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_27 = !lean_is_exclusive(x_17);
-if (x_27 == 0)
+x_52 = !lean_is_exclusive(x_17);
+if (x_52 == 0)
+{
+lean_object* x_53; lean_object* x_54; 
+x_53 = lean_ctor_get(x_17, 0);
+lean_dec(x_53);
+x_54 = lean_ctor_get(x_18, 0);
+lean_inc(x_54);
+lean_dec(x_18);
+lean_ctor_set(x_17, 0, x_54);
+return x_17;
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_17, 1);
+lean_inc(x_55);
+lean_dec(x_17);
+x_56 = lean_ctor_get(x_18, 0);
+lean_inc(x_56);
+lean_dec(x_18);
+x_57 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_57, 0, x_56);
+lean_ctor_set(x_57, 1, x_55);
+return x_57;
+}
+}
+}
+else
+{
+uint8_t x_58; 
+lean_dec(x_11);
+lean_dec(x_10);
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_58 = !lean_is_exclusive(x_17);
+if (x_58 == 0)
 {
 return x_17;
 }
 else
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_28 = lean_ctor_get(x_17, 0);
-x_29 = lean_ctor_get(x_17, 1);
-lean_inc(x_29);
-lean_inc(x_28);
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_17, 0);
+x_60 = lean_ctor_get(x_17, 1);
+lean_inc(x_60);
+lean_inc(x_59);
 lean_dec(x_17);
-x_30 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_30, 0, x_28);
-lean_ctor_set(x_30, 1, x_29);
-return x_30;
+x_61 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_61, 0, x_59);
+lean_ctor_set(x_61, 1, x_60);
+return x_61;
 }
 }
 }
 else
 {
-uint8_t x_31; 
+uint8_t x_62; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -23615,31 +24039,31 @@ lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_13);
-if (x_31 == 0)
+x_62 = !lean_is_exclusive(x_13);
+if (x_62 == 0)
 {
-lean_object* x_32; 
-x_32 = lean_ctor_get(x_13, 0);
-lean_dec(x_32);
+lean_object* x_63; 
+x_63 = lean_ctor_get(x_13, 0);
+lean_dec(x_63);
 lean_ctor_set(x_13, 0, x_4);
 return x_13;
 }
 else
 {
-lean_object* x_33; lean_object* x_34; 
-x_33 = lean_ctor_get(x_13, 1);
-lean_inc(x_33);
+lean_object* x_64; lean_object* x_65; 
+x_64 = lean_ctor_get(x_13, 1);
+lean_inc(x_64);
 lean_dec(x_13);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_4);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
+x_65 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_65, 0, x_4);
+lean_ctor_set(x_65, 1, x_64);
+return x_65;
 }
 }
 }
 else
 {
-uint8_t x_35; 
+uint8_t x_66; 
 lean_dec(x_11);
 lean_dec(x_10);
 lean_dec(x_9);
@@ -23651,27 +24075,64 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_35 = !lean_is_exclusive(x_13);
-if (x_35 == 0)
+x_66 = !lean_is_exclusive(x_13);
+if (x_66 == 0)
 {
 return x_13;
 }
 else
 {
-lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_36 = lean_ctor_get(x_13, 0);
-x_37 = lean_ctor_get(x_13, 1);
-lean_inc(x_37);
-lean_inc(x_36);
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_67 = lean_ctor_get(x_13, 0);
+x_68 = lean_ctor_get(x_13, 1);
+lean_inc(x_68);
+lean_inc(x_67);
 lean_dec(x_13);
-x_38 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_38, 0, x_36);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
+x_69 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_69, 0, x_67);
+lean_ctor_set(x_69, 1, x_68);
+return x_69;
 }
 }
 }
 }
+LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10, lean_object* x_11, lean_object* x_12, lean_object* x_13) {
+_start:
+{
+lean_object* x_14; 
+x_14 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12, x_13);
+lean_dec(x_6);
+return x_14;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Elab_Term_isTypeApp_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
 _start:
 {
@@ -29078,268 +29539,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_Elab_Term_withSavedContext___rarg), 9, 0
 return x_2;
 }
 }
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("_traceMsg", 9);
-return x_1;
-}
-}
-static lean_object* _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
-x_10 = lean_ctor_get(x_7, 5);
-x_11 = l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(x_2, x_5, x_6, x_7, x_8, x_9);
-x_12 = lean_ctor_get(x_11, 0);
-lean_inc(x_12);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-lean_dec(x_11);
-x_14 = l___private_Lean_Util_Trace_0__Lean_addTraceOptions(x_12);
-x_15 = lean_st_ref_take(x_8, x_13);
-x_16 = lean_ctor_get(x_15, 0);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_16, 3);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_15, 1);
-lean_inc(x_18);
-lean_dec(x_15);
-x_19 = !lean_is_exclusive(x_16);
-if (x_19 == 0)
-{
-lean_object* x_20; uint8_t x_21; 
-x_20 = lean_ctor_get(x_16, 3);
-lean_dec(x_20);
-x_21 = !lean_is_exclusive(x_17);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; uint8_t x_37; 
-x_22 = lean_ctor_get(x_17, 0);
-x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2;
-x_24 = l_Lean_Name_append(x_1, x_23);
-x_25 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_25, 0, x_1);
-x_26 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
-x_27 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_27, 0, x_26);
-lean_ctor_set(x_27, 1, x_25);
-x_28 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
-x_29 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_29, 0, x_27);
-lean_ctor_set(x_29, 1, x_28);
-x_30 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_30, 0, x_29);
-lean_ctor_set(x_30, 1, x_14);
-x_31 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
-x_32 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_32, 0, x_30);
-lean_ctor_set(x_32, 1, x_31);
-x_33 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_33, 0, x_24);
-lean_ctor_set(x_33, 1, x_32);
-lean_inc(x_10);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_10);
-lean_ctor_set(x_34, 1, x_33);
-x_35 = l_Std_PersistentArray_push___rarg(x_22, x_34);
-lean_ctor_set(x_17, 0, x_35);
-x_36 = lean_st_ref_set(x_8, x_16, x_18);
-x_37 = !lean_is_exclusive(x_36);
-if (x_37 == 0)
-{
-lean_object* x_38; lean_object* x_39; 
-x_38 = lean_ctor_get(x_36, 0);
-lean_dec(x_38);
-x_39 = lean_box(0);
-lean_ctor_set(x_36, 0, x_39);
-return x_36;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; 
-x_40 = lean_ctor_get(x_36, 1);
-lean_inc(x_40);
-lean_dec(x_36);
-x_41 = lean_box(0);
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_40);
-return x_42;
-}
-}
-else
-{
-uint8_t x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_43 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
-x_44 = lean_ctor_get(x_17, 0);
-lean_inc(x_44);
-lean_dec(x_17);
-x_45 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2;
-x_46 = l_Lean_Name_append(x_1, x_45);
-x_47 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_47, 0, x_1);
-x_48 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
-x_49 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_49, 0, x_48);
-lean_ctor_set(x_49, 1, x_47);
-x_50 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
-x_51 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_51, 0, x_49);
-lean_ctor_set(x_51, 1, x_50);
-x_52 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_52, 0, x_51);
-lean_ctor_set(x_52, 1, x_14);
-x_53 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
-x_54 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-x_55 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_55, 0, x_46);
-lean_ctor_set(x_55, 1, x_54);
-lean_inc(x_10);
-x_56 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_56, 0, x_10);
-lean_ctor_set(x_56, 1, x_55);
-x_57 = l_Std_PersistentArray_push___rarg(x_44, x_56);
-x_58 = lean_alloc_ctor(0, 1, 1);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set_uint8(x_58, sizeof(void*)*1, x_43);
-lean_ctor_set(x_16, 3, x_58);
-x_59 = lean_st_ref_set(x_8, x_16, x_18);
-x_60 = lean_ctor_get(x_59, 1);
-lean_inc(x_60);
-if (lean_is_exclusive(x_59)) {
- lean_ctor_release(x_59, 0);
- lean_ctor_release(x_59, 1);
- x_61 = x_59;
-} else {
- lean_dec_ref(x_59);
- x_61 = lean_box(0);
-}
-x_62 = lean_box(0);
-if (lean_is_scalar(x_61)) {
- x_63 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_63 = x_61;
-}
-lean_ctor_set(x_63, 0, x_62);
-lean_ctor_set(x_63, 1, x_60);
-return x_63;
-}
-}
-else
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; 
-x_64 = lean_ctor_get(x_16, 0);
-x_65 = lean_ctor_get(x_16, 1);
-x_66 = lean_ctor_get(x_16, 2);
-x_67 = lean_ctor_get(x_16, 4);
-x_68 = lean_ctor_get(x_16, 5);
-lean_inc(x_68);
-lean_inc(x_67);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_64);
-lean_dec(x_16);
-x_69 = lean_ctor_get_uint8(x_17, sizeof(void*)*1);
-x_70 = lean_ctor_get(x_17, 0);
-lean_inc(x_70);
-if (lean_is_exclusive(x_17)) {
- lean_ctor_release(x_17, 0);
- x_71 = x_17;
-} else {
- lean_dec_ref(x_17);
- x_71 = lean_box(0);
-}
-x_72 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2;
-x_73 = l_Lean_Name_append(x_1, x_72);
-x_74 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_74, 0, x_1);
-x_75 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__1;
-x_76 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_76, 0, x_75);
-lean_ctor_set(x_76, 1, x_74);
-x_77 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__3;
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_76);
-lean_ctor_set(x_78, 1, x_77);
-x_79 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_14);
-x_80 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
-x_81 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_81, 0, x_79);
-lean_ctor_set(x_81, 1, x_80);
-x_82 = lean_alloc_ctor(11, 2, 0);
-lean_ctor_set(x_82, 0, x_73);
-lean_ctor_set(x_82, 1, x_81);
-lean_inc(x_10);
-x_83 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_83, 0, x_10);
-lean_ctor_set(x_83, 1, x_82);
-x_84 = l_Std_PersistentArray_push___rarg(x_70, x_83);
-if (lean_is_scalar(x_71)) {
- x_85 = lean_alloc_ctor(0, 1, 1);
-} else {
- x_85 = x_71;
-}
-lean_ctor_set(x_85, 0, x_84);
-lean_ctor_set_uint8(x_85, sizeof(void*)*1, x_69);
-x_86 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_86, 0, x_64);
-lean_ctor_set(x_86, 1, x_65);
-lean_ctor_set(x_86, 2, x_66);
-lean_ctor_set(x_86, 3, x_85);
-lean_ctor_set(x_86, 4, x_67);
-lean_ctor_set(x_86, 5, x_68);
-x_87 = lean_st_ref_set(x_8, x_86, x_18);
-x_88 = lean_ctor_get(x_87, 1);
-lean_inc(x_88);
-if (lean_is_exclusive(x_87)) {
- lean_ctor_release(x_87, 0);
- lean_ctor_release(x_87, 1);
- x_89 = x_87;
-} else {
- lean_dec_ref(x_87);
- x_89 = lean_box(0);
-}
-x_90 = lean_box(0);
-if (lean_is_scalar(x_89)) {
- x_91 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_91 = x_89;
-}
-lean_ctor_set(x_91, 0, x_90);
-lean_ctor_set(x_91, 1, x_88);
-return x_91;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
-x_9 = lean_ctor_get(x_6, 2);
-x_10 = l_Lean_checkTraceOption(x_9, x_1);
-x_11 = lean_box(x_10);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_8);
-return x_12;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -29408,7 +29607,7 @@ static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeE
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes(" : ", 3);
+x_1 = lean_mk_string_from_bytes("<not-available>", 15);
 return x_1;
 }
 }
@@ -29417,33 +29616,16 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; 
 x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__3;
-x_2 = l_Lean_stringToMessageData(x_1);
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
 static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("<not-available>", 15);
-return x_1;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-static lean_object* _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6;
+x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
@@ -29479,7 +29661,7 @@ lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; uint
 x_42 = lean_ctor_get(x_36, 1);
 lean_inc(x_42);
 lean_dec(x_36);
-x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_42);
+x_43 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_42);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -29515,21 +29697,21 @@ x_16 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_17 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_17, 0, x_16);
 lean_ctor_set(x_17, 1, x_15);
-x_18 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4;
+x_18 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5;
 x_19 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_19, 0, x_17);
 lean_ctor_set(x_19, 1, x_18);
 if (lean_obj_tag(x_2) == 0)
 {
 lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_20 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7;
+x_20 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5;
 x_21 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_21, 0, x_19);
 lean_ctor_set(x_21, 1, x_20);
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_21);
 lean_ctor_set(x_22, 1, x_16);
-x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_22, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_23 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_22, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
@@ -29557,7 +29739,7 @@ lean_ctor_set(x_29, 1, x_28);
 x_30 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_30, 0, x_29);
 lean_ctor_set(x_30, 1, x_16);
-x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_31 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_30, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
 x_33 = lean_ctor_get(x_31, 1);
@@ -29576,34 +29758,6 @@ return x_34;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; 
-x_10 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
-_start:
-{
-lean_object* x_9; 
-x_9 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
-lean_dec(x_7);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_9;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
 _start:
 {
@@ -34145,7 +34299,7 @@ lean_inc(x_1);
 x_20 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_20, 0, x_1);
 lean_ctor_set(x_20, 1, x_19);
-x_21 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4;
+x_21 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5;
 x_22 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_22, 0, x_20);
 lean_ctor_set(x_22, 1, x_21);
@@ -34598,7 +34752,7 @@ lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint
 x_51 = lean_ctor_get(x_46, 1);
 lean_inc(x_51);
 lean_dec(x_46);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_31, x_5, x_6, x_7, x_8, x_9, x_10, x_51);
+x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_31, x_5, x_6, x_7, x_8, x_9, x_10, x_51);
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 x_54 = lean_ctor_get(x_52, 1);
@@ -34638,7 +34792,7 @@ lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean
 lean_inc(x_29);
 x_38 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_38, 0, x_29);
-x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_31, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_33);
+x_39 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_31, x_38, x_5, x_6, x_7, x_8, x_9, x_10, x_33);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -35735,7 +35889,7 @@ x_21 = lean_ctor_get(x_15, 1);
 lean_inc(x_21);
 lean_dec(x_15);
 lean_inc(x_13);
-x_22 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_13, x_2, x_3, x_4, x_5, x_6, x_7, x_21);
+x_22 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_13, x_2, x_3, x_4, x_5, x_6, x_7, x_21);
 x_23 = lean_ctor_get(x_22, 0);
 lean_inc(x_23);
 x_24 = lean_unbox(x_23);
@@ -35762,7 +35916,7 @@ x_28 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_28, 0, x_14);
 x_29 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_29, 0, x_28);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_13, x_29, x_2, x_3, x_4, x_5, x_6, x_7, x_27);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_13, x_29, x_2, x_3, x_4, x_5, x_6, x_7, x_27);
 x_31 = lean_ctor_get(x_30, 1);
 lean_inc(x_31);
 lean_dec(x_30);
@@ -38185,7 +38339,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_elabTermAux___lambda__5___closed__2;
-x_2 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7;
+x_2 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5;
 x_3 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -38290,7 +38444,7 @@ x_72 = lean_ctor_get(x_66, 1);
 lean_inc(x_72);
 lean_dec(x_66);
 lean_inc(x_9);
-x_73 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_5, x_6, x_7, x_8, x_10, x_11, x_72);
+x_73 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_5, x_6, x_7, x_8, x_10, x_11, x_72);
 x_74 = lean_ctor_get(x_73, 0);
 lean_inc(x_74);
 x_75 = lean_ctor_get(x_73, 1);
@@ -38329,7 +38483,7 @@ x_46 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_47 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_47, 0, x_45);
 lean_ctor_set(x_47, 1, x_46);
-x_48 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_47, x_5, x_6, x_7, x_8, x_10, x_11, x_40);
+x_48 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_47, x_5, x_6, x_7, x_8, x_10, x_11, x_40);
 x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
@@ -38361,7 +38515,7 @@ x_59 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_60 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_60, 0, x_58);
 lean_ctor_set(x_60, 1, x_59);
-x_61 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_60, x_5, x_6, x_7, x_8, x_10, x_11, x_40);
+x_61 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_60, x_5, x_6, x_7, x_8, x_10, x_11, x_40);
 x_62 = lean_ctor_get(x_61, 0);
 lean_inc(x_62);
 x_63 = lean_ctor_get(x_61, 1);
@@ -38419,7 +38573,7 @@ x_113 = lean_ctor_get(x_107, 1);
 lean_inc(x_113);
 lean_dec(x_107);
 lean_inc(x_9);
-x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_5, x_6, x_7, x_8, x_79, x_11, x_113);
+x_114 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_5, x_6, x_7, x_8, x_79, x_11, x_113);
 x_115 = lean_ctor_get(x_114, 0);
 lean_inc(x_115);
 x_116 = lean_ctor_get(x_114, 1);
@@ -38458,7 +38612,7 @@ x_87 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_88 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_88, 0, x_86);
 lean_ctor_set(x_88, 1, x_87);
-x_89 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_88, x_5, x_6, x_7, x_8, x_79, x_11, x_81);
+x_89 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_88, x_5, x_6, x_7, x_8, x_79, x_11, x_81);
 x_90 = lean_ctor_get(x_89, 0);
 lean_inc(x_90);
 x_91 = lean_ctor_get(x_89, 1);
@@ -38490,7 +38644,7 @@ x_100 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_101 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_101, 0, x_99);
 lean_ctor_set(x_101, 1, x_100);
-x_102 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_101, x_5, x_6, x_7, x_8, x_79, x_11, x_81);
+x_102 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_101, x_5, x_6, x_7, x_8, x_79, x_11, x_81);
 x_103 = lean_ctor_get(x_102, 0);
 lean_inc(x_103);
 x_104 = lean_ctor_get(x_102, 1);
@@ -48858,7 +49012,7 @@ lean_dec(x_3);
 return x_10;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -48866,21 +49020,21 @@ x_1 = lean_mk_string_from_bytes("letrec", 6);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2() {
+static lean_object* _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2;
+x_2 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
@@ -49022,77 +49176,21 @@ return x_14;
 }
 else
 {
-uint8_t x_15; 
-x_15 = !lean_is_exclusive(x_9);
-if (x_15 == 0)
-{
-lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_16 = lean_ctor_get(x_9, 1);
-x_17 = lean_ctor_get(x_9, 0);
-lean_dec(x_17);
-x_18 = lean_ctor_get(x_10, 0);
-lean_inc(x_18);
-lean_dec(x_10);
-x_19 = lean_ctor_get(x_18, 1);
-lean_inc(x_19);
-lean_dec(x_18);
-x_20 = l_Lean_Expr_getAppFn(x_19);
-lean_dec(x_19);
-if (lean_obj_tag(x_20) == 2)
-{
-lean_object* x_21; 
-lean_free_object(x_9);
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
 lean_dec(x_1);
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-lean_dec(x_20);
-x_1 = x_21;
-x_8 = x_16;
-goto _start;
-}
-else
-{
-lean_dec(x_20);
-lean_ctor_set(x_9, 0, x_1);
-return x_9;
-}
-}
-else
-{
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
-x_23 = lean_ctor_get(x_9, 1);
-lean_inc(x_23);
+x_15 = lean_ctor_get(x_9, 1);
+lean_inc(x_15);
 lean_dec(x_9);
-x_24 = lean_ctor_get(x_10, 0);
-lean_inc(x_24);
+x_16 = lean_ctor_get(x_10, 0);
+lean_inc(x_16);
 lean_dec(x_10);
-x_25 = lean_ctor_get(x_24, 1);
-lean_inc(x_25);
-lean_dec(x_24);
-x_26 = l_Lean_Expr_getAppFn(x_25);
-lean_dec(x_25);
-if (lean_obj_tag(x_26) == 2)
-{
-lean_object* x_27; 
-lean_dec(x_1);
-x_27 = lean_ctor_get(x_26, 0);
-lean_inc(x_27);
-lean_dec(x_26);
-x_1 = x_27;
-x_8 = x_23;
+x_17 = lean_ctor_get(x_16, 1);
+lean_inc(x_17);
+lean_dec(x_16);
+x_1 = x_17;
+x_8 = x_15;
 goto _start;
 }
-else
-{
-lean_object* x_29; 
-lean_dec(x_26);
-x_29 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_29, 0, x_1);
-lean_ctor_set(x_29, 1, x_23);
-return x_29;
-}
-}
-}
 }
 }
 LEAN_EXPORT uint8_t l_List_foldr___at_Lean_Elab_Term_isLetRecAuxMVar___spec__3(lean_object* x_1, uint8_t x_2, lean_object* x_3) {
@@ -49277,7 +49375,7 @@ x_35 = lean_ctor_get(x_29, 1);
 lean_inc(x_35);
 lean_dec(x_29);
 lean_inc(x_2);
-x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_35);
+x_36 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_2, x_4, x_5, x_6, x_7, x_8, x_9, x_35);
 x_37 = lean_ctor_get(x_36, 0);
 lean_inc(x_37);
 x_38 = lean_ctor_get(x_36, 1);
@@ -49321,7 +49419,7 @@ x_22 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_23 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_23, 0, x_21);
 lean_ctor_set(x_23, 1, x_22);
-x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_2, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_15);
+x_24 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_2, x_23, x_4, x_5, x_6, x_7, x_8, x_9, x_15);
 x_25 = lean_ctor_get(x_24, 0);
 lean_inc(x_25);
 x_26 = lean_ctor_get(x_24, 1);
@@ -49379,7 +49477,7 @@ LEAN_EXPORT lean_object* l_Lean_Elab_Term_isLetRecAuxMVar(lean_object* x_1, lean
 _start:
 {
 lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
-x_9 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2;
+x_9 = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2;
 x_38 = lean_st_ref_get(x_7, x_8);
 x_39 = lean_ctor_get(x_38, 0);
 lean_inc(x_39);
@@ -49405,7 +49503,7 @@ lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint
 x_44 = lean_ctor_get(x_38, 1);
 lean_inc(x_44);
 lean_dec(x_38);
-x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_44);
+x_45 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_9, x_2, x_3, x_4, x_5, x_6, x_7, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -49466,7 +49564,7 @@ x_31 = l_Lean_logTrace___at_Lean_Elab_Term_traceAtCmdPos___spec__1___closed__4;
 x_32 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
-x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_9, x_32, x_2, x_3, x_4, x_5, x_6, x_7, x_18);
+x_33 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_9, x_32, x_2, x_3, x_4, x_5, x_6, x_7, x_18);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
 x_35 = lean_ctor_get(x_33, 1);
@@ -58015,17 +58113,7 @@ x_3 = lean_alloc_closure((void*)(l_Lean_Elab_withoutModifyingStateWithInfoAndMes
 return x_3;
 }
 }
-static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-x_2 = l_Lean_Elab_Term_instToStringSyntheticMVarKind___closed__2;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2() {
+static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -58033,17 +58121,17 @@ x_1 = lean_mk_string_from_bytes("debug", 5);
 return x_1;
 }
 }
-static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3() {
+static lean_object* _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Term_MVarErrorInfo_logError___closed__11;
-x_2 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2;
+x_2 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -58055,7 +58143,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6;
 x_4 = lean_ctor_get(x_3, 1);
 lean_inc(x_4);
 lean_dec(x_3);
-x_5 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1;
+x_5 = l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1;
 x_6 = l_Lean_registerTraceClass(x_5, x_4);
 if (lean_obj_tag(x_6) == 0)
 {
@@ -58063,7 +58151,7 @@ lean_object* x_7; lean_object* x_8; lean_object* x_9;
 x_7 = lean_ctor_get(x_6, 1);
 lean_inc(x_7);
 lean_dec(x_6);
-x_8 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3;
+x_8 = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2;
 x_9 = l_Lean_registerTraceClass(x_8, x_7);
 return x_9;
 }
@@ -58625,28 +58713,28 @@ l_Lean_Elab_Term_synthesizeInstMVarCore___closed__4 = _init_l_Lean_Elab_Term_syn
 lean_mark_persistent(l_Lean_Elab_Term_synthesizeInstMVarCore___closed__4);
 l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5 = _init_l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5();
 lean_mark_persistent(l_Lean_Elab_Term_synthesizeInstMVarCore___closed__5);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__3);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960____closed__4);
-if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5960_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__2);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__3);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963____closed__4);
+if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5963_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_autoLift = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_autoLift);
 lean_dec_ref(res);
-}l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__3);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983____closed__4);
-if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5983_(lean_io_mk_world());
+}l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__2);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__3);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986____closed__4);
+if (builtin) {res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_5986_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 l_Lean_Elab_Term_maxCoeSize = lean_io_result_get_value(res);
 lean_mark_persistent(l_Lean_Elab_Term_maxCoeSize);
@@ -58671,6 +58759,24 @@ l_Lean_Elab_Term_mkCoe___closed__4 = _init_l_Lean_Elab_Term_mkCoe___closed__4();
 lean_mark_persistent(l_Lean_Elab_Term_mkCoe___closed__4);
 l_Lean_Elab_Term_mkCoe___closed__5 = _init_l_Lean_Elab_Term_mkCoe___closed__5();
 lean_mark_persistent(l_Lean_Elab_Term_mkCoe___closed__5);
+l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1 = _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__1);
+l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2 = _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2();
+lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1___closed__2);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__1);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__2);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__3);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__4);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__5);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__6);
+l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7();
+lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___closed__7);
 l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__1 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__1);
 l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__2 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_tryLiftAndCoe___closed__2();
@@ -58723,10 +58829,6 @@ l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__5 = _init_l_Lean_Elab_Term_tryP
 lean_mark_persistent(l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__5);
 l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__6 = _init_l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__6();
 lean_mark_persistent(l_Lean_Elab_Term_tryPostponeIfHasMVars___closed__6);
-l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1 = _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__1);
-l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2 = _init_l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2();
-lean_mark_persistent(l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1___closed__2);
 l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__1 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__1();
 lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__1);
 l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__2 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__2();
@@ -58737,10 +58839,6 @@ l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4 = _ini
 lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__4);
 l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5();
 lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__5);
-l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6();
-lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__6);
-l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7 = _init_l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7();
-lean_mark_persistent(l___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___closed__7);
 l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__1 = _init_l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__1);
 l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__2 = _init_l_Lean_Elab_Term_mkSaveInfoAnnotation___closed__2();
@@ -58912,11 +59010,11 @@ l_Lean_Elab_Term_mkAuxName___closed__1 = _init_l_Lean_Elab_Term_mkAuxName___clos
 lean_mark_persistent(l_Lean_Elab_Term_mkAuxName___closed__1);
 l_Lean_Elab_Term_mkAuxName___closed__2 = _init_l_Lean_Elab_Term_mkAuxName___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_mkAuxName___closed__2);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__1);
-l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301____closed__2);
-res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13301_(lean_io_mk_world());
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__1);
+l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2 = _init_l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403____closed__2);
+res = l_Lean_Elab_Term_initFn____x40_Lean_Elab_Term___hyg_13403_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l_Lean_Elab_Term_isLetRecAuxMVar___lambda__2___closed__1 = _init_l_Lean_Elab_Term_isLetRecAuxMVar___lambda__2___closed__1();
@@ -59075,13 +59173,11 @@ l_Lean_Elab_Term_exprToSyntax___closed__3 = _init_l_Lean_Elab_Term_exprToSyntax_
 lean_mark_persistent(l_Lean_Elab_Term_exprToSyntax___closed__3);
 l_Lean_Elab_Term_exprToSyntax___closed__4 = _init_l_Lean_Elab_Term_exprToSyntax___closed__4();
 lean_mark_persistent(l_Lean_Elab_Term_exprToSyntax___closed__4);
-l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1();
-lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__1);
-l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2();
-lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__2);
-l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3();
-lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517____closed__3);
-res = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15517_(lean_io_mk_world());
+l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1();
+lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__1);
+l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2 = _init_l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2();
+lean_mark_persistent(l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619____closed__2);
+res = l_Lean_Elab_initFn____x40_Lean_Elab_Term___hyg_15619_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Basic.c b/stage0/stdlib/Lean/Meta/Basic.c
index 0272a03c07..0b85b20f53 100644
--- a/stage0/stdlib/Lean/Meta/Basic.c
+++ b/stage0/stdlib/Lean/Meta/Basic.c
@@ -33,6 +33,7 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewMCtxDep
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_forallTelescopeReducingAuxAux___rarg(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_liftMkBindingM___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* lean_io_get_num_heartbeats(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_Meta_normalizeLevel___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_Cache_synthInstance___default;
@@ -211,6 +212,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at_Lean_Meta_isLevelDefEq
 LEAN_EXPORT lean_object* l_Lean_Meta_instInhabitedPostponedEntry;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_withNewLocalInstancesImpAux(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_approxDefEqImp___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__10(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_Meta_Config_etaStruct___default;
@@ -277,6 +279,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_mkFreshTypeMVar___boxed(lean_object*, lean_
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateForallAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_Cache_synthInstance___default___closed__1;
 extern lean_object* l_Lean_maxRecDepth;
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_is_level_def_eq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instMonadBacktrackSavedStateMetaM___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkFreshExprMVarImpl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -660,6 +663,7 @@ lean_object* lean_environment_main_module(lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedState___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls_loop___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*);
+uint8_t l_Lean_Expr_isMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_abstractRange___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_processPostponed_loop(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___lambda__3___closed__6;
@@ -727,6 +731,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_forIn___at___private_Lean_Meta_Ba
 LEAN_EXPORT lean_object* l_Lean_throwUnknownConstant___at___private_Lean_Meta_Basic_0__Lean_Meta_getConstTemp_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_addDecl(lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_instantiateLambdaAux___closed__2;
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_instInhabitedMetaM___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_getLocalDeclFromUserName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_MetavarContext_MkBinding_collectForwardDeps(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -762,7 +767,7 @@ static lean_object* l_Lean_Meta_processPostponed_loop___closed__4;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_approxDefEqImp(lean_object*);
 lean_object* l_Lean_mkForall(lean_object*, uint8_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMCtxMetaM___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMetaM___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_resettingSynthInstanceCacheWhen(lean_object*);
@@ -964,6 +969,7 @@ LEAN_EXPORT lean_object* l_Lean_Meta_instMonadMetaM___lambda__1___boxed(lean_obj
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_isClassImp_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_getFVarLocalDecl___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_Basic_0__Lean_Meta_lambdaTelescopeImp_process___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_throwError___at_Lean_Meta_throwUnknownFVar___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_findLocalDecl_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Util_Trace_0__Lean_getResetTraces___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__7___rarg___boxed(lean_object*, lean_object*);
@@ -7524,6 +7530,199 @@ lean_dec(x_2);
 return x_7;
 }
 }
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_getMVarDecl(x_1, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_7) == 0)
+{
+uint8_t x_8; 
+x_8 = !lean_is_exclusive(x_7);
+if (x_8 == 0)
+{
+lean_object* x_9; uint8_t x_10; lean_object* x_11; 
+x_9 = lean_ctor_get(x_7, 0);
+x_10 = lean_ctor_get_uint8(x_9, sizeof(void*)*7);
+lean_dec(x_9);
+x_11 = lean_box(x_10);
+lean_ctor_set(x_7, 0, x_11);
+return x_7;
+}
+else
+{
+lean_object* x_12; lean_object* x_13; uint8_t x_14; lean_object* x_15; lean_object* x_16; 
+x_12 = lean_ctor_get(x_7, 0);
+x_13 = lean_ctor_get(x_7, 1);
+lean_inc(x_13);
+lean_inc(x_12);
+lean_dec(x_7);
+x_14 = lean_ctor_get_uint8(x_12, sizeof(void*)*7);
+lean_dec(x_12);
+x_15 = lean_box(x_14);
+x_16 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_16, 0, x_15);
+lean_ctor_set(x_16, 1, x_13);
+return x_16;
+}
+}
+else
+{
+uint8_t x_17; 
+x_17 = !lean_is_exclusive(x_7);
+if (x_17 == 0)
+{
+return x_7;
+}
+else
+{
+lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_18 = lean_ctor_get(x_7, 0);
+x_19 = lean_ctor_get(x_7, 1);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_dec(x_7);
+x_20 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_20, 0, x_18);
+lean_ctor_set(x_20, 1, x_19);
+return x_20;
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_getMVarDeclKind___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_getMVarDeclKind(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; 
+x_7 = l_Lean_Expr_isMVar(x_1);
+if (x_7 == 0)
+{
+uint8_t x_8; lean_object* x_9; lean_object* x_10; 
+x_8 = 0;
+x_9 = lean_box(x_8);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_10, 1, x_6);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = l_Lean_Expr_mvarId_x21(x_1);
+x_12 = l_Lean_Meta_getMVarDeclKind(x_11, x_2, x_3, x_4, x_5, x_6);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+if (lean_obj_tag(x_13) == 0)
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_12);
+if (x_14 == 0)
+{
+lean_object* x_15; uint8_t x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_12, 0);
+lean_dec(x_15);
+x_16 = 0;
+x_17 = lean_box(x_16);
+lean_ctor_set(x_12, 0, x_17);
+return x_12;
+}
+else
+{
+lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; 
+x_18 = lean_ctor_get(x_12, 1);
+lean_inc(x_18);
+lean_dec(x_12);
+x_19 = 0;
+x_20 = lean_box(x_19);
+x_21 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_21, 0, x_20);
+lean_ctor_set(x_21, 1, x_18);
+return x_21;
+}
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_13);
+x_22 = !lean_is_exclusive(x_12);
+if (x_22 == 0)
+{
+lean_object* x_23; uint8_t x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_12, 0);
+lean_dec(x_23);
+x_24 = 1;
+x_25 = lean_box(x_24);
+lean_ctor_set(x_12, 0, x_25);
+return x_12;
+}
+else
+{
+lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_29; 
+x_26 = lean_ctor_get(x_12, 1);
+lean_inc(x_26);
+lean_dec(x_12);
+x_27 = 1;
+x_28 = lean_box(x_27);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_26);
+return x_29;
+}
+}
+}
+else
+{
+uint8_t x_30; 
+x_30 = !lean_is_exclusive(x_12);
+if (x_30 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_12, 0);
+x_32 = lean_ctor_get(x_12, 1);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_dec(x_12);
+x_33 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_33, 0, x_31);
+lean_ctor_set(x_33, 1, x_32);
+return x_33;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_Meta_isSyntheticMVar___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l_Lean_Meta_isSyntheticMVar(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_7;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_Meta_setMVarKind(lean_object* x_1, uint8_t x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
 _start:
 {
@@ -45329,7 +45528,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -45814,7 +46013,7 @@ l_Lean_Meta_isExprDefEq___closed__1 = _init_l_Lean_Meta_isExprDefEq___closed__1(
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__1);
 l_Lean_Meta_isExprDefEq___closed__2 = _init_l_Lean_Meta_isExprDefEq___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEq___closed__2);
-res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13185_(lean_io_mk_world());
+res = l_Lean_initFn____x40_Lean_Meta_Basic___hyg_13294_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/CollectMVars.c b/stage0/stdlib/Lean/Meta/CollectMVars.c
index 2f3021cedf..65d5ca4492 100644
--- a/stage0/stdlib/Lean/Meta/CollectMVars.c
+++ b/stage0/stdlib/Lean/Meta/CollectMVars.c
@@ -22,6 +22,7 @@ uint8_t lean_usize_dec_eq(size_t, size_t);
 lean_object* lean_array_uget(lean_object*, size_t);
 lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_getDelayedMVarAssignment_x3f___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at_Lean_Meta_collectMVars___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_st_ref_get(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_foldlM___at_Lean_Meta_collectMVarsAtDecl___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -530,7 +531,7 @@ goto _start;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; size_t x_27; size_t x_28; lean_object* x_29; 
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; size_t x_28; size_t x_29; lean_object* x_30; 
 x_22 = lean_ctor_get(x_15, 1);
 lean_inc(x_22);
 lean_dec(x_15);
@@ -540,16 +541,17 @@ lean_dec(x_16);
 x_24 = lean_ctor_get(x_23, 1);
 lean_inc(x_24);
 lean_dec(x_23);
-x_25 = l_Lean_Meta_collectMVars(x_24, x_5, x_6, x_7, x_8, x_9, x_22);
-x_26 = lean_ctor_get(x_25, 1);
-lean_inc(x_26);
-lean_dec(x_25);
-x_27 = 1;
-x_28 = lean_usize_add(x_3, x_27);
-x_29 = lean_box(0);
-x_3 = x_28;
-x_4 = x_29;
-x_10 = x_26;
+x_25 = l_Lean_mkMVar(x_24);
+x_26 = l_Lean_Meta_collectMVars(x_25, x_5, x_6, x_7, x_8, x_9, x_22);
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = 1;
+x_29 = lean_usize_add(x_3, x_28);
+x_30 = lean_box(0);
+x_3 = x_29;
+x_4 = x_30;
+x_10 = x_27;
 goto _start;
 }
 }
diff --git a/stage0/stdlib/Lean/Meta/ExprDefEq.c b/stage0/stdlib/Lean/Meta/ExprDefEq.c
index 5c9d41f019..21dbab0f09 100644
--- a/stage0/stdlib/Lean/Meta/ExprDefEq.c
+++ b/stage0/stdlib/Lean/Meta/ExprDefEq.c
@@ -170,12 +170,12 @@ uint8_t l_Lean_LocalContext_containsFVar(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldComparingHeadsDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processConstApprox_go___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_Meta_CheckAssignment_checkMVar___spec__21(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_Meta_checkAssignment___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__22;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__5;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__55(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*);
@@ -266,6 +266,7 @@ LEAN_EXPORT uint8_t l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_etaEq(lean_obje
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_throwOutOfScopeFVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_tryHeuristic(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfold___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__62___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__7;
@@ -308,8 +309,10 @@ lean_object* l_Lean_Meta_tryUnificationHints(lean_object*, lean_object*, lean_ob
 static lean_object* l_Lean_Meta_CheckAssignment_instMonadCacheExprCheckAssignmentM___closed__3;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__40___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_checkpointDefEq___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickMVarMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__14;
 LEAN_EXPORT lean_object* l_Std_HashSetImp_expand___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___spec__3(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_isDefEqBindingDomain_loop(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_trySynthPending(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fget(lean_object*, lean_object*);
@@ -364,7 +367,6 @@ lean_object* l_Lean_Expr_headBeta(lean_object*);
 lean_object* l_Std_PersistentArray_get_x21___rarg(lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__15;
 static lean_object* l_Lean_Meta_CheckAssignment_checkMVar___closed__4;
-LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__1;
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__6;
@@ -415,7 +417,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_skipDefEqC
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___closed__5;
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___closed__2;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_getCachedResult___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_toCtorIfLit(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__58(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__47(lean_object*, lean_object*);
@@ -459,6 +460,7 @@ LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta
 lean_object* l_Array_back___rarg(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__17;
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_Meta_CheckAssignment_checkMVar___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__57(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_processAssignmentFOApprox(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_CheckAssignment_checkMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -469,6 +471,7 @@ size_t lean_usize_shift_left(size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_hasLetDeclsInBetween(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_to_list(lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isDefEqStringLit___closed__1;
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__4;
 static lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_cacheResult___spec__1___closed__2;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -629,6 +632,7 @@ lean_object* l_Std_HashMap_insert___at_Lean_Meta_ForEachExpr_visit___spec__3(lea
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__4;
 uint8_t l_Lean_Expr_isMVar(lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__7;
+lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_instMonadTrace___rarg(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDeltaCandidate_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__1___closed__2;
@@ -647,9 +651,9 @@ static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAs
 LEAN_EXPORT lean_object* l_Std_HashSetImp_moveEntries___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_mkLambdaFVarsWithLetDeps_collectLetDeclsFrom_visit___spec__4(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_occursCheck_visitMVar___at_Lean_Meta_checkAssignment___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__20(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append(lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_instMonadMCtxMetaM;
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Core_instMonadCoreM;
 static lean_object* l_Lean_Meta_isExprDefEqAuxImpl___lambda__2___closed__12;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unfoldNonProjFnDefEq(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -686,7 +690,6 @@ static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar___c
 static lean_object* l_Lean_Meta_CheckAssignment_check___closed__13;
 static lean_object* l_Lean_Meta_CheckAssignment_instMonadCacheExprCheckAssignmentM___closed__1;
 static lean_object* l_Lean_addTrace___at_Lean_Meta_CheckAssignment_checkFVar___spec__2___closed__1;
-LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_checkTypesAndAssign___closed__8;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_Meta_CheckAssignment_checkMVar___spec__27(lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_contains___at___private_Lean_Class_0__Lean_checkOutParam___spec__1(lean_object*, lean_object*);
@@ -720,7 +723,7 @@ lean_object* l_Lean_addMessageContextFull___at_Lean_Meta_instAddMessageContextMe
 LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentArray_foldlFromMAux___at_Lean_Meta_CheckAssignment_checkMVar___spec__53(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_Meta_CheckAssignment_checkMVar___spec__46___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_Meta_CheckAssignment_checkMVar___spec__4(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15455_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15581_(lean_object*);
 lean_object* lean_expr_update_lambda(lean_object*, uint8_t, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_CheckAssignment_throwCheckAssignmentFailure___rarg___closed__1;
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_unstuckMVar(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -788,6 +791,7 @@ LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___at_Lean_Meta_CheckAssign
 lean_object* l_Lean_Meta_reduceNative_x3f(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(uint8_t, uint8_t, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgs___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqArgsFirstPass___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_Meta_CheckAssignment_checkMVar___spec__55___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -47747,7 +47751,7 @@ return x_33;
 }
 else
 {
-lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
 x_34 = lean_ctor_get(x_16, 1);
 lean_inc(x_34);
 lean_dec(x_16);
@@ -47760,8 +47764,10 @@ lean_dec(x_19);
 x_37 = lean_ctor_get(x_36, 1);
 lean_inc(x_37);
 lean_dec(x_36);
-x_38 = l_Lean_occursCheck_visit___at_Lean_Meta_checkAssignment___spec__2(x_1, x_37, x_35, x_4, x_5, x_6, x_7, x_34);
-return x_38;
+x_2 = x_37;
+x_3 = x_35;
+x_8 = x_34;
+goto _start;
 }
 }
 else
@@ -59709,204 +59715,384 @@ lean_dec(x_2);
 return x_7;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
-x_7 = l_Lean_markUsedAssignment___at___private_Lean_Meta_Basic_0__Lean_Meta_isClassQuick_x3f___spec__2___rarg(x_3, x_4, x_5, x_6);
-x_8 = lean_ctor_get(x_7, 1);
-lean_inc(x_8);
-lean_dec(x_7);
-x_9 = lean_st_ref_get(x_5, x_8);
-x_10 = lean_ctor_get(x_9, 1);
-lean_inc(x_10);
-lean_dec(x_9);
-x_11 = lean_st_ref_get(x_3, x_10);
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_10 = l_Lean_mkMVar(x_1);
+x_11 = lean_array_get_size(x_2);
+x_12 = lean_array_get_size(x_3);
+x_13 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_12, x_3, x_11, x_10);
+lean_dec(x_12);
+x_14 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_14, 0, x_13);
+x_15 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_15, 0, x_14);
+lean_ctor_set(x_15, 1, x_9);
+return x_15;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_11, 0);
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_ctor_get(x_14, 7);
-lean_inc(x_15);
-lean_dec(x_14);
-x_16 = l_Std_PersistentHashMap_contains___at_Lean_isMVarDelayedAssigned___spec__1(x_15, x_1);
-x_17 = lean_box(x_16);
-lean_ctor_set(x_11, 0, x_17);
-return x_11;
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
+lean_dec(x_4);
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = l_Lean_Expr_getAppNumArgsAux(x_1, x_10);
+x_12 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
+lean_inc(x_11);
+x_13 = lean_mk_array(x_11, x_12);
+x_14 = lean_unsigned_to_nat(1u);
+x_15 = lean_nat_sub(x_11, x_14);
+lean_dec(x_11);
+x_16 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_13, x_15);
+x_17 = lean_array_get_size(x_16);
+x_18 = lean_array_get_size(x_3);
+x_19 = lean_nat_dec_lt(x_17, x_18);
+lean_dec(x_18);
+lean_dec(x_17);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; 
+x_20 = lean_box(0);
+x_21 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1(x_2, x_3, x_16, x_20, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_16);
+lean_dec(x_3);
+return x_21;
 }
 else
 {
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
-x_18 = lean_ctor_get(x_11, 0);
-x_19 = lean_ctor_get(x_11, 1);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_dec(x_11);
-x_20 = lean_ctor_get(x_18, 0);
-lean_inc(x_20);
-lean_dec(x_18);
-x_21 = lean_ctor_get(x_20, 7);
-lean_inc(x_21);
-lean_dec(x_20);
-x_22 = l_Std_PersistentHashMap_contains___at_Lean_isMVarDelayedAssigned___spec__1(x_21, x_1);
-x_23 = lean_box(x_22);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_23);
-lean_ctor_set(x_24, 1, x_19);
-return x_24;
+lean_object* x_22; lean_object* x_23; 
+lean_dec(x_16);
+lean_dec(x_3);
+lean_dec(x_2);
+x_22 = lean_box(0);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_22);
+lean_ctor_set(x_23, 1, x_9);
+return x_23;
 }
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-if (lean_obj_tag(x_1) == 2)
+lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+lean_dec(x_4);
+x_10 = l_Lean_Meta_getConfig(x_5, x_6, x_7, x_8, x_9);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get_uint8(x_11, 10);
+lean_dec(x_11);
+if (x_12 == 0)
 {
-lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; 
-x_8 = lean_ctor_get(x_1, 0);
-lean_inc(x_8);
+uint8_t x_13; 
+lean_dec(x_3);
+lean_dec(x_2);
 lean_dec(x_1);
-x_9 = l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1(x_8, x_3, x_4, x_5, x_6, x_7);
-x_10 = lean_ctor_get(x_9, 0);
-lean_inc(x_10);
-x_11 = lean_unbox(x_10);
+x_13 = !lean_is_exclusive(x_10);
+if (x_13 == 0)
+{
+lean_object* x_14; lean_object* x_15; 
+x_14 = lean_ctor_get(x_10, 0);
+lean_dec(x_14);
+x_15 = lean_box(0);
+lean_ctor_set(x_10, 0, x_15);
+return x_10;
+}
+else
+{
+lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_16 = lean_ctor_get(x_10, 1);
+lean_inc(x_16);
 lean_dec(x_10);
-if (x_11 == 0)
+x_17 = lean_box(0);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_17);
+lean_ctor_set(x_18, 1, x_16);
+return x_18;
+}
+}
+else
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_10, 1);
+lean_inc(x_19);
+lean_dec(x_10);
+x_20 = lean_box(0);
+x_21 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2(x_1, x_2, x_3, x_20, x_5, x_6, x_7, x_8, x_19);
+return x_21;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8) {
+_start:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+lean_dec(x_3);
+x_9 = l_Lean_Expr_mvarId_x21(x_1);
+lean_dec(x_1);
+x_10 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_Meta_WHNF_0__Lean_Meta_whnfDelayedAssigned_x3f___spec__1(x_9, x_4, x_5, x_6, x_7, x_8);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+if (lean_obj_tag(x_11) == 0)
 {
 uint8_t x_12; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_2);
-x_12 = !lean_is_exclusive(x_9);
+x_12 = !lean_is_exclusive(x_10);
 if (x_12 == 0)
 {
-lean_object* x_13; uint8_t x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_9, 0);
+lean_object* x_13; lean_object* x_14; 
+x_13 = lean_ctor_get(x_10, 0);
 lean_dec(x_13);
-x_14 = 0;
-x_15 = lean_box(x_14);
-lean_ctor_set(x_9, 0, x_15);
-return x_9;
+x_14 = lean_box(0);
+lean_ctor_set(x_10, 0, x_14);
+return x_10;
 }
 else
 {
-lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_19; 
-x_16 = lean_ctor_get(x_9, 1);
-lean_inc(x_16);
-lean_dec(x_9);
-x_17 = 0;
-x_18 = lean_box(x_17);
-x_19 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_16);
-return x_19;
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_10, 1);
+lean_inc(x_15);
+lean_dec(x_10);
+x_16 = lean_box(0);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+return x_17;
 }
 }
 else
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
-x_20 = lean_ctor_get(x_9, 1);
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_11);
+if (x_18 == 0)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_19 = lean_ctor_get(x_11, 0);
+x_20 = lean_ctor_get(x_10, 1);
 lean_inc(x_20);
-lean_dec(x_9);
+lean_dec(x_10);
+x_21 = lean_ctor_get(x_19, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
 lean_inc(x_2);
-x_21 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_3, x_4, x_5, x_6, x_20);
-x_22 = !lean_is_exclusive(x_21);
-if (x_22 == 0)
-{
-lean_object* x_23; uint8_t x_24; 
-x_23 = lean_ctor_get(x_21, 0);
-x_24 = lean_expr_eqv(x_23, x_2);
-lean_dec(x_2);
-lean_dec(x_23);
+x_23 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_4, x_5, x_6, x_7, x_20);
+x_24 = !lean_is_exclusive(x_23);
 if (x_24 == 0)
 {
-uint8_t x_25; lean_object* x_26; 
-x_25 = 1;
-x_26 = lean_box(x_25);
-lean_ctor_set(x_21, 0, x_26);
-return x_21;
-}
-else
+lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_25 = lean_ctor_get(x_23, 0);
+x_26 = lean_ctor_get(x_23, 1);
+x_27 = lean_expr_eqv(x_25, x_2);
+if (x_27 == 0)
 {
-uint8_t x_27; lean_object* x_28; 
-x_27 = 0;
-x_28 = lean_box(x_27);
-lean_ctor_set(x_21, 0, x_28);
-return x_21;
-}
-}
-else
-{
-lean_object* x_29; lean_object* x_30; uint8_t x_31; 
-x_29 = lean_ctor_get(x_21, 0);
-x_30 = lean_ctor_get(x_21, 1);
-lean_inc(x_30);
-lean_inc(x_29);
+lean_dec(x_22);
 lean_dec(x_21);
-x_31 = lean_expr_eqv(x_29, x_2);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_2);
-lean_dec(x_29);
-if (x_31 == 0)
-{
-uint8_t x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = 1;
-x_33 = lean_box(x_32);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_33);
-lean_ctor_set(x_34, 1, x_30);
-return x_34;
+lean_ctor_set(x_11, 0, x_25);
+lean_ctor_set(x_23, 0, x_11);
+return x_23;
 }
 else
 {
-uint8_t x_35; lean_object* x_36; lean_object* x_37; 
-x_35 = 0;
-x_36 = lean_box(x_35);
-x_37 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_37, 1, x_30);
-return x_37;
+lean_object* x_28; lean_object* x_29; 
+lean_free_object(x_23);
+lean_dec(x_25);
+lean_free_object(x_11);
+x_28 = lean_box(0);
+x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(x_2, x_22, x_21, x_28, x_4, x_5, x_6, x_7, x_26);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_29;
 }
 }
+else
+{
+lean_object* x_30; lean_object* x_31; uint8_t x_32; 
+x_30 = lean_ctor_get(x_23, 0);
+x_31 = lean_ctor_get(x_23, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_23);
+x_32 = lean_expr_eqv(x_30, x_2);
+if (x_32 == 0)
+{
+lean_object* x_33; 
+lean_dec(x_22);
+lean_dec(x_21);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_ctor_set(x_11, 0, x_30);
+x_33 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_33, 0, x_11);
+lean_ctor_set(x_33, 1, x_31);
+return x_33;
+}
+else
+{
+lean_object* x_34; lean_object* x_35; 
+lean_dec(x_30);
+lean_free_object(x_11);
+x_34 = lean_box(0);
+x_35 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(x_2, x_22, x_21, x_34, x_4, x_5, x_6, x_7, x_31);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_35;
+}
 }
 }
 else
 {
-uint8_t x_38; lean_object* x_39; lean_object* x_40; 
+lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; 
+x_36 = lean_ctor_get(x_11, 0);
+lean_inc(x_36);
+lean_dec(x_11);
+x_37 = lean_ctor_get(x_10, 1);
+lean_inc(x_37);
+lean_dec(x_10);
+x_38 = lean_ctor_get(x_36, 0);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_36, 1);
+lean_inc(x_39);
+lean_dec(x_36);
+lean_inc(x_2);
+x_40 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_4, x_5, x_6, x_7, x_37);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_40, 1);
+lean_inc(x_42);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_43 = x_40;
+} else {
+ lean_dec_ref(x_40);
+ x_43 = lean_box(0);
+}
+x_44 = lean_expr_eqv(x_41, x_2);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; 
+lean_dec(x_39);
+lean_dec(x_38);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
 lean_dec(x_2);
-lean_dec(x_1);
-x_38 = 0;
-x_39 = lean_box(x_38);
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_7);
-return x_40;
+x_45 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_45, 0, x_41);
+if (lean_is_scalar(x_43)) {
+ x_46 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_46 = x_43;
+}
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_42);
+return x_46;
+}
+else
+{
+lean_object* x_47; lean_object* x_48; 
+lean_dec(x_43);
+lean_dec(x_41);
+x_47 = lean_box(0);
+x_48 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(x_2, x_39, x_38, x_47, x_4, x_5, x_6, x_7, x_42);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_48;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
-lean_object* x_7; 
-x_7 = l_Lean_isMVarDelayedAssigned___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___spec__1(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_object* x_7; uint8_t x_8; 
+x_7 = l_Lean_Expr_getAppFn(x_1);
+x_8 = l_Lean_Expr_isMVar(x_7);
+if (x_8 == 0)
+{
+lean_object* x_9; lean_object* x_10; 
+lean_dec(x_7);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
-return x_7;
+lean_dec(x_1);
+x_9 = lean_box(0);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_9);
+lean_ctor_set(x_10, 1, x_6);
+return x_10;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_box(0);
+x_12 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__4(x_7, x_1, x_11, x_2, x_3, x_4, x_5, x_6);
+return x_12;
 }
 }
-LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
 _start:
 {
-lean_object* x_8; 
-x_8 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_object* x_10; 
+x_10 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_5);
 lean_dec(x_4);
 lean_dec(x_3);
-return x_8;
+lean_dec(x_2);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__2(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_10;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9) {
+_start:
+{
+lean_object* x_10; 
+x_10 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f___lambda__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_5);
+return x_10;
 }
 }
 LEAN_EXPORT lean_object* l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isSynthetic(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
@@ -63212,11 +63398,11 @@ x_14 = l_Lean_Expr_getAppFn(x_2);
 x_15 = l_Lean_Expr_isMVar(x_13);
 if (x_15 == 0)
 {
-uint8_t x_175; 
-x_175 = l_Lean_Expr_isMVar(x_14);
-if (x_175 == 0)
+uint8_t x_169; 
+x_169 = l_Lean_Expr_isMVar(x_14);
+if (x_169 == 0)
 {
-uint8_t x_176; lean_object* x_177; lean_object* x_178; 
+uint8_t x_170; lean_object* x_171; lean_object* x_172; 
 lean_dec(x_14);
 lean_dec(x_13);
 lean_dec(x_6);
@@ -63225,29 +63411,29 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_176 = 2;
-x_177 = lean_box(x_176);
-x_178 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_178, 0, x_177);
-lean_ctor_set(x_178, 1, x_7);
-return x_178;
+x_170 = 2;
+x_171 = lean_box(x_170);
+x_172 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_172, 0, x_171);
+lean_ctor_set(x_172, 1, x_7);
+return x_172;
 }
 else
 {
-lean_object* x_179; 
-x_179 = lean_box(0);
-x_16 = x_179;
-goto block_174;
+lean_object* x_173; 
+x_173 = lean_box(0);
+x_16 = x_173;
+goto block_168;
 }
 }
 else
 {
-lean_object* x_180; 
-x_180 = lean_box(0);
-x_16 = x_180;
-goto block_174;
+lean_object* x_174; 
+x_174 = lean_box(0);
+x_16 = x_174;
+goto block_168;
 }
-block_174:
+block_168:
 {
 lean_object* x_17; lean_object* x_18; uint8_t x_19; 
 lean_dec(x_16);
@@ -63271,509 +63457,541 @@ x_23 = lean_unbox(x_22);
 lean_dec(x_22);
 if (x_23 == 0)
 {
-lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
 x_24 = lean_ctor_get(x_21, 1);
 lean_inc(x_24);
 lean_dec(x_21);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 lean_inc(x_1);
-lean_inc(x_13);
-x_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead(x_13, x_1, x_3, x_4, x_5, x_6, x_24);
+x_25 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f(x_1, x_3, x_4, x_5, x_6, x_24);
 x_26 = lean_ctor_get(x_25, 0);
 lean_inc(x_26);
-x_27 = lean_unbox(x_26);
-lean_dec(x_26);
-if (x_27 == 0)
+if (lean_obj_tag(x_26) == 0)
 {
-lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_122; 
-x_28 = lean_ctor_get(x_25, 1);
-lean_inc(x_28);
+lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
 lean_dec(x_25);
+lean_inc(x_6);
+lean_inc(x_5);
+lean_inc(x_4);
+lean_inc(x_3);
 lean_inc(x_2);
-lean_inc(x_14);
-x_29 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDelayedAssignedHead(x_14, x_2, x_3, x_4, x_5, x_6, x_28);
-x_30 = lean_ctor_get(x_29, 0);
+x_28 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_expandDelayedAssigned_x3f(x_2, x_3, x_4, x_5, x_6, x_27);
+x_29 = lean_ctor_get(x_28, 0);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-lean_dec(x_29);
-x_122 = lean_unbox(x_30);
-lean_dec(x_30);
-if (x_122 == 0)
+lean_dec(x_28);
+if (lean_obj_tag(x_29) == 0)
 {
 if (x_15 == 0)
 {
+lean_object* x_121; 
+x_121 = lean_box(0);
+x_31 = x_121;
+goto block_120;
+}
+else
+{
+uint8_t x_122; 
+x_122 = l_Lean_Expr_isMVar(x_14);
+if (x_122 == 0)
+{
 lean_object* x_123; 
 x_123 = lean_box(0);
-x_32 = x_123;
-goto block_121;
+x_31 = x_123;
+goto block_120;
 }
 else
 {
 uint8_t x_124; 
-x_124 = l_Lean_Expr_isMVar(x_14);
+x_124 = lean_expr_eqv(x_13, x_14);
 if (x_124 == 0)
 {
 lean_object* x_125; 
 x_125 = lean_box(0);
-x_32 = x_125;
-goto block_121;
+x_31 = x_125;
+goto block_120;
 }
 else
 {
-uint8_t x_126; 
-x_126 = lean_expr_eqv(x_13, x_14);
-if (x_126 == 0)
-{
-lean_object* x_127; 
-x_127 = lean_box(0);
-x_32 = x_127;
-goto block_121;
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; 
+lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
 lean_dec(x_14);
-x_128 = lean_unsigned_to_nat(0u);
-x_129 = l_Lean_Expr_getAppNumArgsAux(x_1, x_128);
-x_130 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
-lean_inc(x_129);
-x_131 = lean_mk_array(x_129, x_130);
-x_132 = lean_unsigned_to_nat(1u);
-x_133 = lean_nat_sub(x_129, x_132);
-lean_dec(x_129);
-x_134 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_131, x_133);
-x_135 = l_Lean_Expr_getAppNumArgsAux(x_2, x_128);
-lean_inc(x_135);
-x_136 = lean_mk_array(x_135, x_130);
-x_137 = lean_nat_sub(x_135, x_132);
-lean_dec(x_135);
-x_138 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_136, x_137);
-x_139 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqMVarSelf(x_13, x_134, x_138, x_3, x_4, x_5, x_6, x_31);
-lean_dec(x_138);
-if (lean_obj_tag(x_139) == 0)
+x_126 = lean_unsigned_to_nat(0u);
+x_127 = l_Lean_Expr_getAppNumArgsAux(x_1, x_126);
+x_128 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___closed__6;
+lean_inc(x_127);
+x_129 = lean_mk_array(x_127, x_128);
+x_130 = lean_unsigned_to_nat(1u);
+x_131 = lean_nat_sub(x_127, x_130);
+lean_dec(x_127);
+x_132 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_1, x_129, x_131);
+x_133 = l_Lean_Expr_getAppNumArgsAux(x_2, x_126);
+lean_inc(x_133);
+x_134 = lean_mk_array(x_133, x_128);
+x_135 = lean_nat_sub(x_133, x_130);
+lean_dec(x_133);
+x_136 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_134, x_135);
+x_137 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqMVarSelf(x_13, x_132, x_136, x_3, x_4, x_5, x_6, x_30);
+lean_dec(x_136);
+if (lean_obj_tag(x_137) == 0)
 {
-uint8_t x_140; 
-x_140 = !lean_is_exclusive(x_139);
-if (x_140 == 0)
+uint8_t x_138; 
+x_138 = !lean_is_exclusive(x_137);
+if (x_138 == 0)
 {
-lean_object* x_141; uint8_t x_142; uint8_t x_143; lean_object* x_144; 
-x_141 = lean_ctor_get(x_139, 0);
-x_142 = lean_unbox(x_141);
-lean_dec(x_141);
-x_143 = l_Bool_toLBool(x_142);
-x_144 = lean_box(x_143);
-lean_ctor_set(x_139, 0, x_144);
-return x_139;
-}
-else
-{
-lean_object* x_145; lean_object* x_146; uint8_t x_147; uint8_t x_148; lean_object* x_149; lean_object* x_150; 
-x_145 = lean_ctor_get(x_139, 0);
-x_146 = lean_ctor_get(x_139, 1);
-lean_inc(x_146);
-lean_inc(x_145);
+lean_object* x_139; uint8_t x_140; uint8_t x_141; lean_object* x_142; 
+x_139 = lean_ctor_get(x_137, 0);
+x_140 = lean_unbox(x_139);
 lean_dec(x_139);
-x_147 = lean_unbox(x_145);
-lean_dec(x_145);
-x_148 = l_Bool_toLBool(x_147);
-x_149 = lean_box(x_148);
-x_150 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_150, 0, x_149);
-lean_ctor_set(x_150, 1, x_146);
-return x_150;
+x_141 = l_Bool_toLBool(x_140);
+x_142 = lean_box(x_141);
+lean_ctor_set(x_137, 0, x_142);
+return x_137;
+}
+else
+{
+lean_object* x_143; lean_object* x_144; uint8_t x_145; uint8_t x_146; lean_object* x_147; lean_object* x_148; 
+x_143 = lean_ctor_get(x_137, 0);
+x_144 = lean_ctor_get(x_137, 1);
+lean_inc(x_144);
+lean_inc(x_143);
+lean_dec(x_137);
+x_145 = lean_unbox(x_143);
+lean_dec(x_143);
+x_146 = l_Bool_toLBool(x_145);
+x_147 = lean_box(x_146);
+x_148 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_148, 0, x_147);
+lean_ctor_set(x_148, 1, x_144);
+return x_148;
 }
 }
 else
 {
-uint8_t x_151; 
-x_151 = !lean_is_exclusive(x_139);
-if (x_151 == 0)
+uint8_t x_149; 
+x_149 = !lean_is_exclusive(x_137);
+if (x_149 == 0)
 {
-return x_139;
+return x_137;
 }
 else
 {
-lean_object* x_152; lean_object* x_153; lean_object* x_154; 
-x_152 = lean_ctor_get(x_139, 0);
-x_153 = lean_ctor_get(x_139, 1);
+lean_object* x_150; lean_object* x_151; lean_object* x_152; 
+x_150 = lean_ctor_get(x_137, 0);
+x_151 = lean_ctor_get(x_137, 1);
+lean_inc(x_151);
+lean_inc(x_150);
+lean_dec(x_137);
+x_152 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_152, 0, x_150);
+lean_ctor_set(x_152, 1, x_151);
+return x_152;
+}
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_153; lean_object* x_154; 
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_2);
+x_153 = lean_ctor_get(x_29, 0);
 lean_inc(x_153);
-lean_inc(x_152);
-lean_dec(x_139);
-x_154 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_154, 0, x_152);
-lean_ctor_set(x_154, 1, x_153);
+lean_dec(x_29);
+x_154 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_153, x_3, x_4, x_5, x_6, x_30);
 return x_154;
 }
-}
-}
-}
-}
-}
-else
+block_120:
 {
-lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; 
-lean_dec(x_14);
-lean_dec(x_13);
-x_155 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_3, x_4, x_5, x_6, x_31);
-x_156 = lean_ctor_get(x_155, 0);
-lean_inc(x_156);
-x_157 = lean_ctor_get(x_155, 1);
-lean_inc(x_157);
-lean_dec(x_155);
-x_158 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_156, x_3, x_4, x_5, x_6, x_157);
-return x_158;
-}
-block_121:
+lean_object* x_32; 
+lean_dec(x_31);
+x_32 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isAssignable(x_13, x_3, x_4, x_5, x_6, x_30);
+if (lean_obj_tag(x_32) == 0)
 {
-lean_object* x_33; 
-lean_dec(x_32);
-x_33 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isAssignable(x_13, x_3, x_4, x_5, x_6, x_31);
-if (lean_obj_tag(x_33) == 0)
-{
-lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-x_34 = lean_ctor_get(x_33, 0);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_32, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_32, 1);
 lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 1);
-lean_inc(x_35);
-lean_dec(x_33);
+lean_dec(x_32);
 lean_inc(x_14);
-x_36 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isAssignable(x_14, x_3, x_4, x_5, x_6, x_35);
-if (lean_obj_tag(x_36) == 0)
+x_35 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isAssignable(x_14, x_3, x_4, x_5, x_6, x_34);
+if (lean_obj_tag(x_35) == 0)
 {
-lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_102; lean_object* x_103; lean_object* x_104; uint8_t x_105; 
-x_37 = lean_ctor_get(x_36, 0);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; lean_object* x_40; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_35, 1);
 lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-lean_dec(x_36);
-x_39 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__4;
-x_102 = lean_st_ref_get(x_6, x_38);
-x_103 = lean_ctor_get(x_102, 0);
+lean_dec(x_35);
+x_38 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__4;
+x_101 = lean_st_ref_get(x_6, x_37);
+x_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_102, 3);
 lean_inc(x_103);
-x_104 = lean_ctor_get(x_103, 3);
-lean_inc(x_104);
+lean_dec(x_102);
+x_104 = lean_ctor_get_uint8(x_103, sizeof(void*)*1);
 lean_dec(x_103);
-x_105 = lean_ctor_get_uint8(x_104, sizeof(void*)*1);
-lean_dec(x_104);
-if (x_105 == 0)
+if (x_104 == 0)
 {
-lean_object* x_106; uint8_t x_107; 
-x_106 = lean_ctor_get(x_102, 1);
-lean_inc(x_106);
-lean_dec(x_102);
-x_107 = 0;
-x_40 = x_107;
-x_41 = x_106;
-goto block_101;
+lean_object* x_105; uint8_t x_106; 
+x_105 = lean_ctor_get(x_101, 1);
+lean_inc(x_105);
+lean_dec(x_101);
+x_106 = 0;
+x_39 = x_106;
+x_40 = x_105;
+goto block_100;
 }
 else
 {
-lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; uint8_t x_112; 
-x_108 = lean_ctor_get(x_102, 1);
-lean_inc(x_108);
-lean_dec(x_102);
-x_109 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_39, x_3, x_4, x_5, x_6, x_108);
-x_110 = lean_ctor_get(x_109, 0);
+lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; uint8_t x_111; 
+x_107 = lean_ctor_get(x_101, 1);
+lean_inc(x_107);
+lean_dec(x_101);
+x_108 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_38, x_3, x_4, x_5, x_6, x_107);
+x_109 = lean_ctor_get(x_108, 0);
+lean_inc(x_109);
+x_110 = lean_ctor_get(x_108, 1);
 lean_inc(x_110);
-x_111 = lean_ctor_get(x_109, 1);
-lean_inc(x_111);
+lean_dec(x_108);
+x_111 = lean_unbox(x_109);
 lean_dec(x_109);
-x_112 = lean_unbox(x_110);
-lean_dec(x_110);
-x_40 = x_112;
-x_41 = x_111;
-goto block_101;
+x_39 = x_111;
+x_40 = x_110;
+goto block_100;
 }
-block_101:
+block_100:
 {
-if (x_40 == 0)
+if (x_39 == 0)
 {
-lean_object* x_42; uint8_t x_43; uint8_t x_44; lean_object* x_45; 
-x_42 = lean_box(0);
-x_43 = lean_unbox(x_34);
-lean_dec(x_34);
-x_44 = lean_unbox(x_37);
-lean_dec(x_37);
-x_45 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_43, x_44, x_1, x_2, x_39, x_15, x_14, x_42, x_3, x_4, x_5, x_6, x_41);
+lean_object* x_41; uint8_t x_42; uint8_t x_43; lean_object* x_44; 
+x_41 = lean_box(0);
+x_42 = lean_unbox(x_33);
+lean_dec(x_33);
+x_43 = lean_unbox(x_36);
+lean_dec(x_36);
+x_44 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_42, x_43, x_1, x_2, x_38, x_15, x_14, x_41, x_3, x_4, x_5, x_6, x_40);
 lean_dec(x_14);
-return x_45;
+return x_44;
 }
 else
 {
-lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; uint8_t x_52; 
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; uint8_t x_51; 
 lean_inc(x_1);
-x_46 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_46, 0, x_1);
-x_47 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
-x_48 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
-x_49 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___closed__4;
-x_50 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_50, 0, x_48);
-lean_ctor_set(x_50, 1, x_49);
+x_45 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_45, 0, x_1);
+x_46 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___lambda__2___closed__9;
+x_47 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_47, 0, x_46);
+lean_ctor_set(x_47, 1, x_45);
+x_48 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_CheckAssignment_addAssignmentInfo___closed__4;
+x_49 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
 lean_inc(x_2);
-x_51 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_51, 0, x_2);
-x_52 = lean_unbox(x_34);
-if (x_52 == 0)
+x_50 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_50, 0, x_2);
+x_51 = lean_unbox(x_33);
+if (x_51 == 0)
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; uint8_t x_59; 
-x_53 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__2;
-x_54 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_54, 0, x_50);
-lean_ctor_set(x_54, 1, x_53);
-x_55 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; 
+x_52 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__2;
+x_53 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_53, 0, x_49);
+lean_ctor_set(x_53, 1, x_52);
+x_54 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_55 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_55, 0, x_53);
+lean_ctor_set(x_55, 1, x_54);
 x_56 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_56, 0, x_54);
-lean_ctor_set(x_56, 1, x_55);
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_50);
 x_57 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_57, 0, x_56);
-lean_ctor_set(x_57, 1, x_51);
-x_58 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_58, 0, x_57);
-lean_ctor_set(x_58, 1, x_49);
-x_59 = lean_unbox(x_37);
-if (x_59 == 0)
+lean_ctor_set(x_57, 1, x_48);
+x_58 = lean_unbox(x_36);
+if (x_58 == 0)
 {
-lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; uint8_t x_65; uint8_t x_66; lean_object* x_67; 
+lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; uint8_t x_64; uint8_t x_65; lean_object* x_66; 
+x_59 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_59, 0, x_57);
+lean_ctor_set(x_59, 1, x_52);
 x_60 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_60, 0, x_58);
-lean_ctor_set(x_60, 1, x_53);
-x_61 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_47);
-x_62 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_39, x_61, x_3, x_4, x_5, x_6, x_41);
-x_63 = lean_ctor_get(x_62, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_46);
+x_61 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_38, x_60, x_3, x_4, x_5, x_6, x_40);
+x_62 = lean_ctor_get(x_61, 0);
+lean_inc(x_62);
+x_63 = lean_ctor_get(x_61, 1);
 lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-lean_inc(x_64);
+lean_dec(x_61);
+x_64 = lean_unbox(x_33);
+lean_dec(x_33);
+x_65 = lean_unbox(x_36);
+lean_dec(x_36);
+x_66 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_64, x_65, x_1, x_2, x_38, x_15, x_14, x_62, x_3, x_4, x_5, x_6, x_63);
 lean_dec(x_62);
-x_65 = lean_unbox(x_34);
-lean_dec(x_34);
-x_66 = lean_unbox(x_37);
-lean_dec(x_37);
-x_67 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_65, x_66, x_1, x_2, x_39, x_15, x_14, x_63, x_3, x_4, x_5, x_6, x_64);
-lean_dec(x_63);
 lean_dec(x_14);
-return x_67;
+return x_66;
 }
 else
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; uint8_t x_75; lean_object* x_76; 
-x_68 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__4;
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; uint8_t x_74; lean_object* x_75; 
+x_67 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__4;
+x_68 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_68, 0, x_57);
+lean_ctor_set(x_68, 1, x_67);
 x_69 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_69, 0, x_58);
-lean_ctor_set(x_69, 1, x_68);
-x_70 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_70, 0, x_69);
-lean_ctor_set(x_70, 1, x_47);
-x_71 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_39, x_70, x_3, x_4, x_5, x_6, x_41);
-x_72 = lean_ctor_get(x_71, 0);
+lean_ctor_set(x_69, 0, x_68);
+lean_ctor_set(x_69, 1, x_46);
+x_70 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_38, x_69, x_3, x_4, x_5, x_6, x_40);
+x_71 = lean_ctor_get(x_70, 0);
+lean_inc(x_71);
+x_72 = lean_ctor_get(x_70, 1);
 lean_inc(x_72);
-x_73 = lean_ctor_get(x_71, 1);
-lean_inc(x_73);
+lean_dec(x_70);
+x_73 = lean_unbox(x_33);
+lean_dec(x_33);
+x_74 = lean_unbox(x_36);
+lean_dec(x_36);
+x_75 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_73, x_74, x_1, x_2, x_38, x_15, x_14, x_71, x_3, x_4, x_5, x_6, x_72);
 lean_dec(x_71);
-x_74 = lean_unbox(x_34);
-lean_dec(x_34);
-x_75 = lean_unbox(x_37);
-lean_dec(x_37);
-x_76 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_74, x_75, x_1, x_2, x_39, x_15, x_14, x_72, x_3, x_4, x_5, x_6, x_73);
-lean_dec(x_72);
 lean_dec(x_14);
-return x_76;
+return x_75;
 }
 }
 else
 {
-lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; uint8_t x_83; 
-x_77 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__4;
-x_78 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_78, 0, x_50);
-lean_ctor_set(x_78, 1, x_77);
-x_79 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; uint8_t x_82; 
+x_76 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__4;
+x_77 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_77, 0, x_49);
+lean_ctor_set(x_77, 1, x_76);
+x_78 = l_Std_Range_forIn_loop___at___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqEtaStruct_go___spec__1___closed__10;
+x_79 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_79, 0, x_77);
+lean_ctor_set(x_79, 1, x_78);
 x_80 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_50);
 x_81 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_81, 0, x_80);
-lean_ctor_set(x_81, 1, x_51);
-x_82 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_82, 0, x_81);
-lean_ctor_set(x_82, 1, x_49);
-x_83 = lean_unbox(x_37);
-if (x_83 == 0)
+lean_ctor_set(x_81, 1, x_48);
+x_82 = lean_unbox(x_36);
+if (x_82 == 0)
 {
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; uint8_t x_90; uint8_t x_91; lean_object* x_92; 
-x_84 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__2;
+lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; uint8_t x_89; uint8_t x_90; lean_object* x_91; 
+x_83 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___closed__2;
+x_84 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_84, 0, x_81);
+lean_ctor_set(x_84, 1, x_83);
 x_85 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_85, 0, x_82);
-lean_ctor_set(x_85, 1, x_84);
-x_86 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_86, 0, x_85);
-lean_ctor_set(x_86, 1, x_47);
-x_87 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_39, x_86, x_3, x_4, x_5, x_6, x_41);
-x_88 = lean_ctor_get(x_87, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_46);
+x_86 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_38, x_85, x_3, x_4, x_5, x_6, x_40);
+x_87 = lean_ctor_get(x_86, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_86, 1);
 lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
-lean_inc(x_89);
-lean_dec(x_87);
-x_90 = lean_unbox(x_34);
-lean_dec(x_34);
-x_91 = lean_unbox(x_37);
-lean_dec(x_37);
-x_92 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_90, x_91, x_1, x_2, x_39, x_15, x_14, x_88, x_3, x_4, x_5, x_6, x_89);
-lean_dec(x_88);
-lean_dec(x_14);
-return x_92;
-}
-else
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; uint8_t x_99; lean_object* x_100; 
-x_93 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_93, 0, x_82);
-lean_ctor_set(x_93, 1, x_77);
-x_94 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_94, 0, x_93);
-lean_ctor_set(x_94, 1, x_47);
-x_95 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_39, x_94, x_3, x_4, x_5, x_6, x_41);
-x_96 = lean_ctor_get(x_95, 0);
-lean_inc(x_96);
-x_97 = lean_ctor_get(x_95, 1);
-lean_inc(x_97);
-lean_dec(x_95);
-x_98 = lean_unbox(x_34);
-lean_dec(x_34);
-x_99 = lean_unbox(x_37);
-lean_dec(x_37);
-x_100 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_98, x_99, x_1, x_2, x_39, x_15, x_14, x_96, x_3, x_4, x_5, x_6, x_97);
-lean_dec(x_96);
-lean_dec(x_14);
-return x_100;
-}
-}
-}
-}
-}
-else
-{
-uint8_t x_113; 
-lean_dec(x_34);
-lean_dec(x_14);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_113 = !lean_is_exclusive(x_36);
-if (x_113 == 0)
-{
-return x_36;
-}
-else
-{
-lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-x_114 = lean_ctor_get(x_36, 0);
-x_115 = lean_ctor_get(x_36, 1);
-lean_inc(x_115);
-lean_inc(x_114);
-lean_dec(x_36);
-x_116 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_116, 0, x_114);
-lean_ctor_set(x_116, 1, x_115);
-return x_116;
-}
-}
-}
-else
-{
-uint8_t x_117; 
-lean_dec(x_14);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_117 = !lean_is_exclusive(x_33);
-if (x_117 == 0)
-{
-return x_33;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_118 = lean_ctor_get(x_33, 0);
-x_119 = lean_ctor_get(x_33, 1);
-lean_inc(x_119);
-lean_inc(x_118);
+lean_dec(x_86);
+x_89 = lean_unbox(x_33);
 lean_dec(x_33);
-x_120 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_120, 0, x_118);
-lean_ctor_set(x_120, 1, x_119);
-return x_120;
+x_90 = lean_unbox(x_36);
+lean_dec(x_36);
+x_91 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_89, x_90, x_1, x_2, x_38, x_15, x_14, x_87, x_3, x_4, x_5, x_6, x_88);
+lean_dec(x_87);
+lean_dec(x_14);
+return x_91;
+}
+else
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; uint8_t x_97; uint8_t x_98; lean_object* x_99; 
+x_92 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_92, 0, x_81);
+lean_ctor_set(x_92, 1, x_76);
+x_93 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_93, 0, x_92);
+lean_ctor_set(x_93, 1, x_46);
+x_94 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_38, x_93, x_3, x_4, x_5, x_6, x_40);
+x_95 = lean_ctor_get(x_94, 0);
+lean_inc(x_95);
+x_96 = lean_ctor_get(x_94, 1);
+lean_inc(x_96);
+lean_dec(x_94);
+x_97 = lean_unbox(x_33);
+lean_dec(x_33);
+x_98 = lean_unbox(x_36);
+lean_dec(x_36);
+x_99 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuickOther___lambda__2(x_97, x_98, x_1, x_2, x_38, x_15, x_14, x_95, x_3, x_4, x_5, x_6, x_96);
+lean_dec(x_95);
+lean_dec(x_14);
+return x_99;
+}
 }
 }
 }
 }
 else
 {
-lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; 
+uint8_t x_112; 
+lean_dec(x_33);
+lean_dec(x_14);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_112 = !lean_is_exclusive(x_35);
+if (x_112 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+x_113 = lean_ctor_get(x_35, 0);
+x_114 = lean_ctor_get(x_35, 1);
+lean_inc(x_114);
+lean_inc(x_113);
+lean_dec(x_35);
+x_115 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_115, 0, x_113);
+lean_ctor_set(x_115, 1, x_114);
+return x_115;
+}
+}
+}
+else
+{
+uint8_t x_116; 
+lean_dec(x_14);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_116 = !lean_is_exclusive(x_32);
+if (x_116 == 0)
+{
+return x_32;
+}
+else
+{
+lean_object* x_117; lean_object* x_118; lean_object* x_119; 
+x_117 = lean_ctor_get(x_32, 0);
+x_118 = lean_ctor_get(x_32, 1);
+lean_inc(x_118);
+lean_inc(x_117);
+lean_dec(x_32);
+x_119 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_119, 0, x_117);
+lean_ctor_set(x_119, 1, x_118);
+return x_119;
+}
+}
+}
+}
+else
+{
+lean_object* x_155; lean_object* x_156; lean_object* x_157; 
 lean_dec(x_14);
 lean_dec(x_13);
-x_159 = lean_ctor_get(x_25, 1);
-lean_inc(x_159);
+lean_dec(x_1);
+x_155 = lean_ctor_get(x_25, 1);
+lean_inc(x_155);
 lean_dec(x_25);
-x_160 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_3, x_4, x_5, x_6, x_159);
-x_161 = lean_ctor_get(x_160, 0);
-lean_inc(x_161);
-x_162 = lean_ctor_get(x_160, 1);
-lean_inc(x_162);
-lean_dec(x_160);
-x_163 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_161, x_2, x_3, x_4, x_5, x_6, x_162);
-return x_163;
+x_156 = lean_ctor_get(x_26, 0);
+lean_inc(x_156);
+lean_dec(x_26);
+x_157 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_156, x_2, x_3, x_4, x_5, x_6, x_155);
+return x_157;
 }
 }
 else
 {
-lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; 
 lean_dec(x_14);
 lean_dec(x_13);
-x_164 = lean_ctor_get(x_21, 1);
-lean_inc(x_164);
+x_158 = lean_ctor_get(x_21, 1);
+lean_inc(x_158);
 lean_dec(x_21);
-x_165 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_3, x_4, x_5, x_6, x_164);
-x_166 = lean_ctor_get(x_165, 0);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_165, 1);
-lean_inc(x_167);
-lean_dec(x_165);
-x_168 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_166, x_3, x_4, x_5, x_6, x_167);
-return x_168;
+x_159 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_2, x_3, x_4, x_5, x_6, x_158);
+x_160 = lean_ctor_get(x_159, 0);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_159, 1);
+lean_inc(x_161);
+lean_dec(x_159);
+x_162 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_160, x_3, x_4, x_5, x_6, x_161);
+return x_162;
 }
 }
 else
 {
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
 lean_dec(x_14);
 lean_dec(x_13);
-x_169 = lean_ctor_get(x_17, 1);
-lean_inc(x_169);
+x_163 = lean_ctor_get(x_17, 1);
+lean_inc(x_163);
 lean_dec(x_17);
-x_170 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_3, x_4, x_5, x_6, x_169);
-x_171 = lean_ctor_get(x_170, 0);
-lean_inc(x_171);
-x_172 = lean_ctor_get(x_170, 1);
-lean_inc(x_172);
-lean_dec(x_170);
-x_173 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_171, x_2, x_3, x_4, x_5, x_6, x_172);
-return x_173;
+x_164 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_3, x_4, x_5, x_6, x_163);
+x_165 = lean_ctor_get(x_164, 0);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_164, 1);
+lean_inc(x_166);
+lean_dec(x_164);
+x_167 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_165, x_2, x_3, x_4, x_5, x_6, x_166);
+return x_167;
 }
 }
 }
 else
 {
+uint8_t x_175; lean_object* x_176; lean_object* x_177; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_175 = 1;
+x_176 = lean_box(x_175);
+x_177 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_177, 0, x_176);
+lean_ctor_set(x_177, 1, x_7);
+return x_177;
+}
+}
+else
+{
+uint8_t x_178; lean_object* x_179; lean_object* x_180; 
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_178 = 1;
+x_179 = lean_box(x_178);
+x_180 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_7);
+return x_180;
+}
+}
+else
+{
 uint8_t x_181; lean_object* x_182; lean_object* x_183; 
 lean_dec(x_6);
 lean_dec(x_5);
@@ -63791,58 +64009,24 @@ return x_183;
 }
 else
 {
-uint8_t x_184; lean_object* x_185; lean_object* x_186; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
+lean_object* x_184; lean_object* x_185; 
 lean_dec(x_2);
-lean_dec(x_1);
-x_184 = 1;
-x_185 = lean_box(x_184);
-x_186 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_186, 0, x_185);
-lean_ctor_set(x_186, 1, x_7);
-return x_186;
-}
-}
-else
-{
-uint8_t x_187; lean_object* x_188; lean_object* x_189; 
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_187 = 1;
-x_188 = lean_box(x_187);
-x_189 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_189, 0, x_188);
-lean_ctor_set(x_189, 1, x_7);
-return x_189;
-}
-}
-else
-{
-lean_object* x_190; lean_object* x_191; 
-lean_dec(x_2);
-x_190 = lean_ctor_get(x_9, 0);
-lean_inc(x_190);
+x_184 = lean_ctor_get(x_9, 0);
+lean_inc(x_184);
 lean_dec(x_9);
-x_191 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_190, x_3, x_4, x_5, x_6, x_7);
-return x_191;
+x_185 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_1, x_184, x_3, x_4, x_5, x_6, x_7);
+return x_185;
 }
 }
 else
 {
-lean_object* x_192; lean_object* x_193; 
+lean_object* x_186; lean_object* x_187; 
 lean_dec(x_1);
-x_192 = lean_ctor_get(x_8, 0);
-lean_inc(x_192);
+x_186 = lean_ctor_get(x_8, 0);
+lean_inc(x_186);
 lean_dec(x_8);
-x_193 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_192, x_2, x_3, x_4, x_5, x_6, x_7);
-return x_193;
+x_187 = l___private_Lean_Meta_ExprDefEq_0__Lean_Meta_isDefEqQuick(x_186, x_2, x_3, x_4, x_5, x_6, x_7);
+return x_187;
 }
 }
 }
@@ -81666,7 +81850,7 @@ lean_dec(x_4);
 return x_10;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15455_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15581_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -82298,7 +82482,7 @@ l_Lean_Meta_isExprDefEqAuxImpl___closed__1 = _init_l_Lean_Meta_isExprDefEqAuxImp
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__1);
 l_Lean_Meta_isExprDefEqAuxImpl___closed__2 = _init_l_Lean_Meta_isExprDefEqAuxImpl___closed__2();
 lean_mark_persistent(l_Lean_Meta_isExprDefEqAuxImpl___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15455_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_ExprDefEq___hyg_15581_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/LevelDefEq.c b/stage0/stdlib/Lean/Meta/LevelDefEq.c
index ff18cca2a8..b30b2cb3ef 100644
--- a/stage0/stdlib/Lean/Meta/LevelDefEq.c
+++ b/stage0/stdlib/Lean/Meta/LevelDefEq.c
@@ -2187,7 +2187,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_isLevelDefEqAuxImpl___spec__2___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
diff --git a/stage0/stdlib/Lean/Meta/SynthInstance.c b/stage0/stdlib/Lean/Meta/SynthInstance.c
index 8c1ec513c4..c1a7c6e068 100644
--- a/stage0/stdlib/Lean/Meta/SynthInstance.c
+++ b/stage0/stdlib/Lean/Meta/SynthInstance.c
@@ -362,7 +362,7 @@ LEAN_EXPORT lean_object* l_Std_AssocList_find_x3f___at_Lean_Meta_SynthInstance_f
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecl___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__2(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_6_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_33_(lean_object*);
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_object*);
 static lean_object* l_Lean_Meta_SynthInstance_MkTableKey_State_lmap___default___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_SynthInstance_getNextToResume___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at___private_Lean_Meta_SynthInstance_0__Lean_Meta_SynthInstance_removeUnusedArguments_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1390,7 +1390,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_SynthInstance_MkTableKey_normLevel___spec__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -23310,181 +23310,183 @@ lean_inc(x_19);
 x_20 = !lean_is_exclusive(x_12);
 if (x_20 == 0)
 {
-uint8_t x_21; lean_object* x_22; lean_object* x_23; 
+uint8_t x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; 
 x_21 = 1;
+x_22 = 1;
 lean_ctor_set_uint8(x_12, 5, x_21);
-x_22 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_22, 0, x_12);
-lean_ctor_set(x_22, 1, x_15);
-lean_ctor_set(x_22, 2, x_16);
-lean_ctor_set(x_22, 3, x_17);
-lean_ctor_set(x_22, 4, x_18);
-lean_ctor_set(x_22, 5, x_19);
+lean_ctor_set_uint8(x_12, 10, x_22);
+x_23 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_23, 0, x_12);
+lean_ctor_set(x_23, 1, x_15);
+lean_ctor_set(x_23, 2, x_16);
+lean_ctor_set(x_23, 3, x_17);
+lean_ctor_set(x_23, 4, x_18);
+lean_ctor_set(x_23, 5, x_19);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_13);
 lean_inc(x_2);
-x_23 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_22, x_7, x_8, x_9, x_14);
-if (lean_obj_tag(x_23) == 0)
+x_24 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_23, x_7, x_8, x_9, x_14);
+if (lean_obj_tag(x_24) == 0)
 {
-lean_object* x_24; uint8_t x_25; 
-x_24 = lean_ctor_get(x_23, 0);
-lean_inc(x_24);
-x_25 = lean_unbox(x_24);
-lean_dec(x_24);
-if (x_25 == 0)
+lean_object* x_25; uint8_t x_26; 
+x_25 = lean_ctor_get(x_24, 0);
+lean_inc(x_25);
+x_26 = lean_unbox(x_25);
+lean_dec(x_25);
+if (x_26 == 0)
 {
-lean_object* x_26; uint8_t x_27; lean_object* x_28; lean_object* x_45; lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+lean_object* x_27; uint8_t x_28; lean_object* x_29; lean_object* x_46; lean_object* x_47; lean_object* x_48; uint8_t x_49; 
 lean_dec(x_1);
-x_26 = lean_ctor_get(x_23, 1);
-lean_inc(x_26);
-lean_dec(x_23);
-x_45 = lean_st_ref_get(x_9, x_26);
-x_46 = lean_ctor_get(x_45, 0);
-lean_inc(x_46);
-x_47 = lean_ctor_get(x_46, 3);
+x_27 = lean_ctor_get(x_24, 1);
+lean_inc(x_27);
+lean_dec(x_24);
+x_46 = lean_st_ref_get(x_9, x_27);
+x_47 = lean_ctor_get(x_46, 0);
 lean_inc(x_47);
-lean_dec(x_46);
-x_48 = lean_ctor_get_uint8(x_47, sizeof(void*)*1);
+x_48 = lean_ctor_get(x_47, 3);
+lean_inc(x_48);
 lean_dec(x_47);
-if (x_48 == 0)
+x_49 = lean_ctor_get_uint8(x_48, sizeof(void*)*1);
+lean_dec(x_48);
+if (x_49 == 0)
 {
-lean_object* x_49; uint8_t x_50; 
-x_49 = lean_ctor_get(x_45, 1);
-lean_inc(x_49);
-lean_dec(x_45);
-x_50 = 0;
-x_27 = x_50;
-x_28 = x_49;
-goto block_44;
+lean_object* x_50; uint8_t x_51; 
+x_50 = lean_ctor_get(x_46, 1);
+lean_inc(x_50);
+lean_dec(x_46);
+x_51 = 0;
+x_28 = x_51;
+x_29 = x_50;
+goto block_45;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-x_51 = lean_ctor_get(x_45, 1);
-lean_inc(x_51);
-lean_dec(x_45);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
+x_52 = lean_ctor_get(x_46, 1);
+lean_inc(x_52);
+lean_dec(x_46);
 lean_inc(x_4);
-x_52 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_51);
-x_53 = lean_ctor_get(x_52, 0);
-lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
+x_53 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_52);
+x_54 = lean_ctor_get(x_53, 0);
 lean_inc(x_54);
-lean_dec(x_52);
-x_55 = lean_unbox(x_53);
+x_55 = lean_ctor_get(x_53, 1);
+lean_inc(x_55);
 lean_dec(x_53);
-x_27 = x_55;
-x_28 = x_54;
-goto block_44;
+x_56 = lean_unbox(x_54);
+lean_dec(x_54);
+x_28 = x_56;
+x_29 = x_55;
+goto block_45;
 }
-block_44:
+block_45:
 {
-if (x_27 == 0)
+if (x_28 == 0)
 {
-lean_object* x_29; lean_object* x_30; 
+lean_object* x_30; lean_object* x_31; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_29 = lean_box(0);
-x_30 = lean_apply_6(x_3, x_29, x_6, x_7, x_8, x_9, x_28);
-return x_30;
+x_30 = lean_box(0);
+x_31 = lean_apply_6(x_3, x_30, x_6, x_7, x_8, x_9, x_29);
+return x_31;
 }
 else
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_31 = l_Lean_indentExpr(x_13);
-x_32 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
-x_33 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_33, 0, x_32);
-lean_ctor_set(x_33, 1, x_31);
-x_34 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
-x_35 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_35, 0, x_33);
-lean_ctor_set(x_35, 1, x_34);
-x_36 = l_Lean_indentExpr(x_2);
-x_37 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
-x_39 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_39, 0, x_37);
-lean_ctor_set(x_39, 1, x_38);
-x_40 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_39, x_6, x_7, x_8, x_9, x_28);
-x_41 = lean_ctor_get(x_40, 1);
-lean_inc(x_41);
-lean_dec(x_40);
-x_42 = lean_box(0);
-x_43 = lean_apply_6(x_3, x_42, x_6, x_7, x_8, x_9, x_41);
-return x_43;
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_32 = l_Lean_indentExpr(x_13);
+x_33 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
+x_34 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_34, 0, x_33);
+lean_ctor_set(x_34, 1, x_32);
+x_35 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
+x_36 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+x_37 = l_Lean_indentExpr(x_2);
+x_38 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_38, 0, x_36);
+lean_ctor_set(x_38, 1, x_37);
+x_39 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
+x_40 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+x_41 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_40, x_6, x_7, x_8, x_9, x_29);
+x_42 = lean_ctor_get(x_41, 1);
+lean_inc(x_42);
+lean_dec(x_41);
+x_43 = lean_box(0);
+x_44 = lean_apply_6(x_3, x_43, x_6, x_7, x_8, x_9, x_42);
+return x_44;
 }
 }
 }
 else
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_56 = lean_ctor_get(x_23, 1);
-lean_inc(x_56);
-lean_dec(x_23);
-x_57 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_56);
-x_58 = lean_ctor_get(x_57, 0);
-lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
+x_57 = lean_ctor_get(x_24, 1);
+lean_inc(x_57);
+lean_dec(x_24);
+x_58 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_57);
+x_59 = lean_ctor_get(x_58, 0);
 lean_inc(x_59);
-lean_dec(x_57);
+x_60 = lean_ctor_get(x_58, 1);
+lean_inc(x_60);
+lean_dec(x_58);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_58);
-x_60 = l_Lean_Meta_check(x_58, x_6, x_7, x_8, x_9, x_59);
-if (lean_obj_tag(x_60) == 0)
+lean_inc(x_59);
+x_61 = l_Lean_Meta_check(x_59, x_6, x_7, x_8, x_9, x_60);
+if (lean_obj_tag(x_61) == 0)
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-lean_dec(x_60);
-x_62 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_62, 0, x_58);
-x_63 = lean_apply_6(x_3, x_62, x_6, x_7, x_8, x_9, x_61);
-return x_63;
+lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_62 = lean_ctor_get(x_61, 1);
+lean_inc(x_62);
+lean_dec(x_61);
+x_63 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_63, 0, x_59);
+x_64 = lean_apply_6(x_3, x_63, x_6, x_7, x_8, x_9, x_62);
+return x_64;
 }
 else
 {
-uint8_t x_64; 
-lean_dec(x_58);
+uint8_t x_65; 
+lean_dec(x_59);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
-x_64 = !lean_is_exclusive(x_60);
-if (x_64 == 0)
+x_65 = !lean_is_exclusive(x_61);
+if (x_65 == 0)
 {
-return x_60;
+return x_61;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_65 = lean_ctor_get(x_60, 0);
-x_66 = lean_ctor_get(x_60, 1);
+lean_object* x_66; lean_object* x_67; lean_object* x_68; 
+x_66 = lean_ctor_get(x_61, 0);
+x_67 = lean_ctor_get(x_61, 1);
+lean_inc(x_67);
 lean_inc(x_66);
-lean_inc(x_65);
-lean_dec(x_60);
-x_67 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_67, 0, x_65);
-lean_ctor_set(x_67, 1, x_66);
-return x_67;
+lean_dec(x_61);
+x_68 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+return x_68;
 }
 }
 }
 }
 else
 {
-uint8_t x_68; 
+uint8_t x_69; 
 lean_dec(x_13);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -23494,233 +23496,233 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_68 = !lean_is_exclusive(x_23);
-if (x_68 == 0)
+x_69 = !lean_is_exclusive(x_24);
+if (x_69 == 0)
 {
-return x_23;
+return x_24;
 }
 else
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_69 = lean_ctor_get(x_23, 0);
-x_70 = lean_ctor_get(x_23, 1);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; 
+x_70 = lean_ctor_get(x_24, 0);
+x_71 = lean_ctor_get(x_24, 1);
+lean_inc(x_71);
 lean_inc(x_70);
-lean_inc(x_69);
-lean_dec(x_23);
-x_71 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_71, 0, x_69);
-lean_ctor_set(x_71, 1, x_70);
-return x_71;
+lean_dec(x_24);
+x_72 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_72, 0, x_70);
+lean_ctor_set(x_72, 1, x_71);
+return x_72;
 }
 }
 }
 else
 {
-uint8_t x_72; uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; uint8_t x_81; uint8_t x_82; uint8_t x_83; uint8_t x_84; uint8_t x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; 
-x_72 = lean_ctor_get_uint8(x_12, 0);
-x_73 = lean_ctor_get_uint8(x_12, 1);
-x_74 = lean_ctor_get_uint8(x_12, 2);
-x_75 = lean_ctor_get_uint8(x_12, 3);
-x_76 = lean_ctor_get_uint8(x_12, 4);
-x_77 = lean_ctor_get_uint8(x_12, 6);
-x_78 = lean_ctor_get_uint8(x_12, 7);
-x_79 = lean_ctor_get_uint8(x_12, 8);
-x_80 = lean_ctor_get_uint8(x_12, 9);
-x_81 = lean_ctor_get_uint8(x_12, 10);
+uint8_t x_73; uint8_t x_74; uint8_t x_75; uint8_t x_76; uint8_t x_77; uint8_t x_78; uint8_t x_79; uint8_t x_80; uint8_t x_81; uint8_t x_82; uint8_t x_83; uint8_t x_84; uint8_t x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; 
+x_73 = lean_ctor_get_uint8(x_12, 0);
+x_74 = lean_ctor_get_uint8(x_12, 1);
+x_75 = lean_ctor_get_uint8(x_12, 2);
+x_76 = lean_ctor_get_uint8(x_12, 3);
+x_77 = lean_ctor_get_uint8(x_12, 4);
+x_78 = lean_ctor_get_uint8(x_12, 6);
+x_79 = lean_ctor_get_uint8(x_12, 7);
+x_80 = lean_ctor_get_uint8(x_12, 8);
+x_81 = lean_ctor_get_uint8(x_12, 9);
 x_82 = lean_ctor_get_uint8(x_12, 11);
 x_83 = lean_ctor_get_uint8(x_12, 12);
 x_84 = lean_ctor_get_uint8(x_12, 13);
 lean_dec(x_12);
 x_85 = 1;
-x_86 = lean_alloc_ctor(0, 0, 14);
-lean_ctor_set_uint8(x_86, 0, x_72);
-lean_ctor_set_uint8(x_86, 1, x_73);
-lean_ctor_set_uint8(x_86, 2, x_74);
-lean_ctor_set_uint8(x_86, 3, x_75);
-lean_ctor_set_uint8(x_86, 4, x_76);
-lean_ctor_set_uint8(x_86, 5, x_85);
-lean_ctor_set_uint8(x_86, 6, x_77);
-lean_ctor_set_uint8(x_86, 7, x_78);
-lean_ctor_set_uint8(x_86, 8, x_79);
-lean_ctor_set_uint8(x_86, 9, x_80);
-lean_ctor_set_uint8(x_86, 10, x_81);
-lean_ctor_set_uint8(x_86, 11, x_82);
-lean_ctor_set_uint8(x_86, 12, x_83);
-lean_ctor_set_uint8(x_86, 13, x_84);
-x_87 = lean_alloc_ctor(0, 6, 0);
-lean_ctor_set(x_87, 0, x_86);
-lean_ctor_set(x_87, 1, x_15);
-lean_ctor_set(x_87, 2, x_16);
-lean_ctor_set(x_87, 3, x_17);
-lean_ctor_set(x_87, 4, x_18);
-lean_ctor_set(x_87, 5, x_19);
+x_86 = 1;
+x_87 = lean_alloc_ctor(0, 0, 14);
+lean_ctor_set_uint8(x_87, 0, x_73);
+lean_ctor_set_uint8(x_87, 1, x_74);
+lean_ctor_set_uint8(x_87, 2, x_75);
+lean_ctor_set_uint8(x_87, 3, x_76);
+lean_ctor_set_uint8(x_87, 4, x_77);
+lean_ctor_set_uint8(x_87, 5, x_85);
+lean_ctor_set_uint8(x_87, 6, x_78);
+lean_ctor_set_uint8(x_87, 7, x_79);
+lean_ctor_set_uint8(x_87, 8, x_80);
+lean_ctor_set_uint8(x_87, 9, x_81);
+lean_ctor_set_uint8(x_87, 10, x_86);
+lean_ctor_set_uint8(x_87, 11, x_82);
+lean_ctor_set_uint8(x_87, 12, x_83);
+lean_ctor_set_uint8(x_87, 13, x_84);
+x_88 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_15);
+lean_ctor_set(x_88, 2, x_16);
+lean_ctor_set(x_88, 3, x_17);
+lean_ctor_set(x_88, 4, x_18);
+lean_ctor_set(x_88, 5, x_19);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_13);
 lean_inc(x_2);
-x_88 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_87, x_7, x_8, x_9, x_14);
-if (lean_obj_tag(x_88) == 0)
+x_89 = l_Lean_Meta_isExprDefEq(x_2, x_13, x_88, x_7, x_8, x_9, x_14);
+if (lean_obj_tag(x_89) == 0)
 {
-lean_object* x_89; uint8_t x_90; 
-x_89 = lean_ctor_get(x_88, 0);
-lean_inc(x_89);
-x_90 = lean_unbox(x_89);
-lean_dec(x_89);
-if (x_90 == 0)
+lean_object* x_90; uint8_t x_91; 
+x_90 = lean_ctor_get(x_89, 0);
+lean_inc(x_90);
+x_91 = lean_unbox(x_90);
+lean_dec(x_90);
+if (x_91 == 0)
 {
-lean_object* x_91; uint8_t x_92; lean_object* x_93; lean_object* x_110; lean_object* x_111; lean_object* x_112; uint8_t x_113; 
+lean_object* x_92; uint8_t x_93; lean_object* x_94; lean_object* x_111; lean_object* x_112; lean_object* x_113; uint8_t x_114; 
 lean_dec(x_1);
-x_91 = lean_ctor_get(x_88, 1);
-lean_inc(x_91);
-lean_dec(x_88);
-x_110 = lean_st_ref_get(x_9, x_91);
-x_111 = lean_ctor_get(x_110, 0);
-lean_inc(x_111);
-x_112 = lean_ctor_get(x_111, 3);
+x_92 = lean_ctor_get(x_89, 1);
+lean_inc(x_92);
+lean_dec(x_89);
+x_111 = lean_st_ref_get(x_9, x_92);
+x_112 = lean_ctor_get(x_111, 0);
 lean_inc(x_112);
-lean_dec(x_111);
-x_113 = lean_ctor_get_uint8(x_112, sizeof(void*)*1);
+x_113 = lean_ctor_get(x_112, 3);
+lean_inc(x_113);
 lean_dec(x_112);
-if (x_113 == 0)
+x_114 = lean_ctor_get_uint8(x_113, sizeof(void*)*1);
+lean_dec(x_113);
+if (x_114 == 0)
 {
-lean_object* x_114; uint8_t x_115; 
-x_114 = lean_ctor_get(x_110, 1);
-lean_inc(x_114);
-lean_dec(x_110);
-x_115 = 0;
-x_92 = x_115;
-x_93 = x_114;
-goto block_109;
+lean_object* x_115; uint8_t x_116; 
+x_115 = lean_ctor_get(x_111, 1);
+lean_inc(x_115);
+lean_dec(x_111);
+x_116 = 0;
+x_93 = x_116;
+x_94 = x_115;
+goto block_110;
 }
 else
 {
-lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; uint8_t x_120; 
-x_116 = lean_ctor_get(x_110, 1);
-lean_inc(x_116);
-lean_dec(x_110);
+lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; 
+x_117 = lean_ctor_get(x_111, 1);
+lean_inc(x_117);
+lean_dec(x_111);
 lean_inc(x_4);
-x_117 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_116);
-x_118 = lean_ctor_get(x_117, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_117, 1);
+x_118 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Meta_Basic_0__Lean_Meta_processPostponedStep___spec__14(x_4, x_6, x_7, x_8, x_9, x_117);
+x_119 = lean_ctor_get(x_118, 0);
 lean_inc(x_119);
-lean_dec(x_117);
-x_120 = lean_unbox(x_118);
+x_120 = lean_ctor_get(x_118, 1);
+lean_inc(x_120);
 lean_dec(x_118);
-x_92 = x_120;
-x_93 = x_119;
-goto block_109;
+x_121 = lean_unbox(x_119);
+lean_dec(x_119);
+x_93 = x_121;
+x_94 = x_120;
+goto block_110;
 }
-block_109:
+block_110:
 {
-if (x_92 == 0)
+if (x_93 == 0)
 {
-lean_object* x_94; lean_object* x_95; 
+lean_object* x_95; lean_object* x_96; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_94 = lean_box(0);
-x_95 = lean_apply_6(x_3, x_94, x_6, x_7, x_8, x_9, x_93);
-return x_95;
+x_95 = lean_box(0);
+x_96 = lean_apply_6(x_3, x_95, x_6, x_7, x_8, x_9, x_94);
+return x_96;
 }
 else
 {
-lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; 
-x_96 = l_Lean_indentExpr(x_13);
-x_97 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
-x_98 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_98, 0, x_97);
-lean_ctor_set(x_98, 1, x_96);
-x_99 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
-x_100 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_100, 0, x_98);
-lean_ctor_set(x_100, 1, x_99);
-x_101 = l_Lean_indentExpr(x_2);
-x_102 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_102, 0, x_100);
-lean_ctor_set(x_102, 1, x_101);
-x_103 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
-x_104 = lean_alloc_ctor(10, 2, 0);
-lean_ctor_set(x_104, 0, x_102);
-lean_ctor_set(x_104, 1, x_103);
-x_105 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_104, x_6, x_7, x_8, x_9, x_93);
-x_106 = lean_ctor_get(x_105, 1);
-lean_inc(x_106);
-lean_dec(x_105);
-x_107 = lean_box(0);
-x_108 = lean_apply_6(x_3, x_107, x_6, x_7, x_8, x_9, x_106);
-return x_108;
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_97 = l_Lean_indentExpr(x_13);
+x_98 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__2;
+x_99 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_99, 0, x_98);
+lean_ctor_set(x_99, 1, x_97);
+x_100 = l_Lean_Meta_synthInstance_x3f___lambda__4___closed__4;
+x_101 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_101, 0, x_99);
+lean_ctor_set(x_101, 1, x_100);
+x_102 = l_Lean_indentExpr(x_2);
+x_103 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_103, 0, x_101);
+lean_ctor_set(x_103, 1, x_102);
+x_104 = l_Lean_Meta_SynthInstance_getInstances___lambda__2___closed__3;
+x_105 = lean_alloc_ctor(10, 2, 0);
+lean_ctor_set(x_105, 0, x_103);
+lean_ctor_set(x_105, 1, x_104);
+x_106 = l_Lean_addTrace___at_Lean_Meta_processPostponed_loop___spec__1(x_4, x_105, x_6, x_7, x_8, x_9, x_94);
+x_107 = lean_ctor_get(x_106, 1);
+lean_inc(x_107);
+lean_dec(x_106);
+x_108 = lean_box(0);
+x_109 = lean_apply_6(x_3, x_108, x_6, x_7, x_8, x_9, x_107);
+return x_109;
 }
 }
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
+lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
 lean_dec(x_13);
 lean_dec(x_4);
 lean_dec(x_2);
-x_121 = lean_ctor_get(x_88, 1);
-lean_inc(x_121);
-lean_dec(x_88);
-x_122 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_121);
-x_123 = lean_ctor_get(x_122, 0);
-lean_inc(x_123);
-x_124 = lean_ctor_get(x_122, 1);
+x_122 = lean_ctor_get(x_89, 1);
+lean_inc(x_122);
+lean_dec(x_89);
+x_123 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_1, x_6, x_7, x_8, x_9, x_122);
+x_124 = lean_ctor_get(x_123, 0);
 lean_inc(x_124);
-lean_dec(x_122);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
 lean_inc(x_9);
 lean_inc(x_8);
 lean_inc(x_7);
 lean_inc(x_6);
-lean_inc(x_123);
-x_125 = l_Lean_Meta_check(x_123, x_6, x_7, x_8, x_9, x_124);
-if (lean_obj_tag(x_125) == 0)
+lean_inc(x_124);
+x_126 = l_Lean_Meta_check(x_124, x_6, x_7, x_8, x_9, x_125);
+if (lean_obj_tag(x_126) == 0)
 {
-lean_object* x_126; lean_object* x_127; lean_object* x_128; 
-x_126 = lean_ctor_get(x_125, 1);
-lean_inc(x_126);
-lean_dec(x_125);
-x_127 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_127, 0, x_123);
-x_128 = lean_apply_6(x_3, x_127, x_6, x_7, x_8, x_9, x_126);
-return x_128;
+lean_object* x_127; lean_object* x_128; lean_object* x_129; 
+x_127 = lean_ctor_get(x_126, 1);
+lean_inc(x_127);
+lean_dec(x_126);
+x_128 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_128, 0, x_124);
+x_129 = lean_apply_6(x_3, x_128, x_6, x_7, x_8, x_9, x_127);
+return x_129;
 }
 else
 {
-lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
-lean_dec(x_123);
+lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; 
+lean_dec(x_124);
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_3);
-x_129 = lean_ctor_get(x_125, 0);
-lean_inc(x_129);
-x_130 = lean_ctor_get(x_125, 1);
+x_130 = lean_ctor_get(x_126, 0);
 lean_inc(x_130);
-if (lean_is_exclusive(x_125)) {
- lean_ctor_release(x_125, 0);
- lean_ctor_release(x_125, 1);
- x_131 = x_125;
+x_131 = lean_ctor_get(x_126, 1);
+lean_inc(x_131);
+if (lean_is_exclusive(x_126)) {
+ lean_ctor_release(x_126, 0);
+ lean_ctor_release(x_126, 1);
+ x_132 = x_126;
 } else {
- lean_dec_ref(x_125);
- x_131 = lean_box(0);
+ lean_dec_ref(x_126);
+ x_132 = lean_box(0);
 }
-if (lean_is_scalar(x_131)) {
- x_132 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_132)) {
+ x_133 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_132 = x_131;
+ x_133 = x_132;
 }
-lean_ctor_set(x_132, 0, x_129);
-lean_ctor_set(x_132, 1, x_130);
-return x_132;
+lean_ctor_set(x_133, 0, x_130);
+lean_ctor_set(x_133, 1, x_131);
+return x_133;
 }
 }
 }
 else
 {
-lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; 
+lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; 
 lean_dec(x_13);
 lean_dec(x_9);
 lean_dec(x_8);
@@ -23730,32 +23732,32 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_133 = lean_ctor_get(x_88, 0);
-lean_inc(x_133);
-x_134 = lean_ctor_get(x_88, 1);
+x_134 = lean_ctor_get(x_89, 0);
 lean_inc(x_134);
-if (lean_is_exclusive(x_88)) {
- lean_ctor_release(x_88, 0);
- lean_ctor_release(x_88, 1);
- x_135 = x_88;
+x_135 = lean_ctor_get(x_89, 1);
+lean_inc(x_135);
+if (lean_is_exclusive(x_89)) {
+ lean_ctor_release(x_89, 0);
+ lean_ctor_release(x_89, 1);
+ x_136 = x_89;
 } else {
- lean_dec_ref(x_88);
- x_135 = lean_box(0);
+ lean_dec_ref(x_89);
+ x_136 = lean_box(0);
 }
-if (lean_is_scalar(x_135)) {
- x_136 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_136)) {
+ x_137 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_136 = x_135;
+ x_137 = x_136;
 }
-lean_ctor_set(x_136, 0, x_133);
-lean_ctor_set(x_136, 1, x_134);
-return x_136;
+lean_ctor_set(x_137, 0, x_134);
+lean_ctor_set(x_137, 1, x_135);
+return x_137;
 }
 }
 }
 else
 {
-uint8_t x_137; 
+uint8_t x_138; 
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -23764,23 +23766,23 @@ lean_dec(x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_137 = !lean_is_exclusive(x_11);
-if (x_137 == 0)
+x_138 = !lean_is_exclusive(x_11);
+if (x_138 == 0)
 {
 return x_11;
 }
 else
 {
-lean_object* x_138; lean_object* x_139; lean_object* x_140; 
-x_138 = lean_ctor_get(x_11, 0);
-x_139 = lean_ctor_get(x_11, 1);
+lean_object* x_139; lean_object* x_140; lean_object* x_141; 
+x_139 = lean_ctor_get(x_11, 0);
+x_140 = lean_ctor_get(x_11, 1);
+lean_inc(x_140);
 lean_inc(x_139);
-lean_inc(x_138);
 lean_dec(x_11);
-x_140 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_140, 0, x_138);
-lean_ctor_set(x_140, 1, x_139);
-return x_140;
+x_141 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_141, 0, x_139);
+lean_ctor_set(x_141, 1, x_140);
+return x_141;
 }
 }
 }
@@ -27408,7 +27410,7 @@ lean_dec(x_3);
 return x_9;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -28064,7 +28066,7 @@ l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___c
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__5);
 l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6 = _init_l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6();
 lean_mark_persistent(l___private_Lean_Meta_SynthInstance_0__Lean_Meta_synthPendingImp___lambda__2___closed__6);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7883_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_SynthInstance___hyg_7886_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c b/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
index 7907b9a6ac..4416666bfd 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/ElimInfo.c
@@ -3246,7 +3246,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at_Lean_Meta_addImplicitTargets___spec__5___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
index f0d2a33d5f..5839846a39 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Simp/Rewrite.c
@@ -4821,7 +4821,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___at___private_Lean_Meta_Tactic_Simp_Rewrite_0__Lean_Meta_Simp_tryTheoremCore_go___spec__5___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
diff --git a/stage0/stdlib/Lean/Meta/WHNF.c b/stage0/stdlib/Lean/Meta/WHNF.c
index 0f8c196916..458becb909 100644
--- a/stage0/stdlib/Lean/Meta/WHNF.c
+++ b/stage0/stdlib/Lean/Meta/WHNF.c
@@ -76,6 +76,7 @@ static lean_object* l_Lean_Meta_reduceBinNatOp___closed__14;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_toCtorIfLit___closed__23;
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at___private_Lean_Meta_WHNF_0__Lean_Meta_cache___spec__2(lean_object*, size_t, size_t, lean_object*, lean_object*);
 size_t lean_usize_sub(size_t, size_t);
 lean_object* lean_environment_find(lean_object*, lean_object*);
@@ -335,7 +336,7 @@ LEAN_EXPORT lean_object* l_Lean_evalConstCheck___at_Lean_Meta_reduceBoolNativeUn
 extern lean_object* l_Lean_projectionFnInfoExt;
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Meta_reduceMatcher_x3f___spec__2___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_Meta_canUnfoldAtMatcher___closed__9;
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_object*);
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_32_(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_whnfEasyCases___at_Lean_Meta_whnfUntil___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Meta_reduceRecMatcher_x3f___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -11729,309 +11730,312 @@ x_35 = lean_array_get_size(x_25);
 x_36 = lean_nat_dec_lt(x_34, x_35);
 if (x_36 == 0)
 {
-lean_object* x_37; uint8_t x_38; 
+lean_object* x_37; lean_object* x_38; uint8_t x_39; 
 lean_free_object(x_12);
-x_37 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_26, x_3, x_4, x_5, x_6, x_23);
-x_38 = !lean_is_exclusive(x_37);
-if (x_38 == 0)
+x_37 = l_Lean_mkMVar(x_26);
+x_38 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_37, x_3, x_4, x_5, x_6, x_23);
+x_39 = !lean_is_exclusive(x_38);
+if (x_39 == 0)
 {
-lean_object* x_39; uint8_t x_40; 
-x_39 = lean_ctor_get(x_37, 0);
-x_40 = l_Lean_Expr_hasExprMVar(x_39);
-if (x_40 == 0)
+lean_object* x_40; uint8_t x_41; 
+x_40 = lean_ctor_get(x_38, 0);
+x_41 = l_Lean_Expr_hasExprMVar(x_40);
+if (x_41 == 0)
 {
-lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_expr_abstract(x_39, x_25);
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_expr_abstract(x_40, x_25);
 lean_dec(x_25);
-lean_dec(x_39);
-x_42 = lean_expr_instantiate_rev_range(x_41, x_27, x_35, x_33);
-lean_dec(x_41);
-x_43 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_42);
+lean_dec(x_40);
+x_43 = lean_expr_instantiate_rev_range(x_42, x_27, x_35, x_33);
+lean_dec(x_42);
+x_44 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_43);
 lean_dec(x_33);
 lean_dec(x_34);
-lean_ctor_set(x_13, 0, x_43);
-lean_ctor_set(x_37, 0, x_13);
-return x_37;
+lean_ctor_set(x_13, 0, x_44);
+lean_ctor_set(x_38, 0, x_13);
+return x_38;
 }
 else
 {
-lean_object* x_44; 
-lean_dec(x_39);
+lean_object* x_45; 
+lean_dec(x_40);
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_44 = lean_box(0);
-lean_ctor_set(x_37, 0, x_44);
-return x_37;
+x_45 = lean_box(0);
+lean_ctor_set(x_38, 0, x_45);
+return x_38;
 }
 }
 else
 {
-lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_45 = lean_ctor_get(x_37, 0);
-x_46 = lean_ctor_get(x_37, 1);
+lean_object* x_46; lean_object* x_47; uint8_t x_48; 
+x_46 = lean_ctor_get(x_38, 0);
+x_47 = lean_ctor_get(x_38, 1);
+lean_inc(x_47);
 lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_37);
-x_47 = l_Lean_Expr_hasExprMVar(x_45);
-if (x_47 == 0)
+lean_dec(x_38);
+x_48 = l_Lean_Expr_hasExprMVar(x_46);
+if (x_48 == 0)
 {
-lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_48 = lean_expr_abstract(x_45, x_25);
+lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_49 = lean_expr_abstract(x_46, x_25);
 lean_dec(x_25);
-lean_dec(x_45);
-x_49 = lean_expr_instantiate_rev_range(x_48, x_27, x_35, x_33);
-lean_dec(x_48);
-x_50 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_49);
+lean_dec(x_46);
+x_50 = lean_expr_instantiate_rev_range(x_49, x_27, x_35, x_33);
+lean_dec(x_49);
+x_51 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_34, x_33, x_35, x_50);
 lean_dec(x_33);
 lean_dec(x_34);
-lean_ctor_set(x_13, 0, x_50);
-x_51 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_51, 0, x_13);
-lean_ctor_set(x_51, 1, x_46);
-return x_51;
+lean_ctor_set(x_13, 0, x_51);
+x_52 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_52, 0, x_13);
+lean_ctor_set(x_52, 1, x_47);
+return x_52;
 }
 else
 {
-lean_object* x_52; lean_object* x_53; 
-lean_dec(x_45);
+lean_object* x_53; lean_object* x_54; 
+lean_dec(x_46);
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_52 = lean_box(0);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_52);
-lean_ctor_set(x_53, 1, x_46);
-return x_53;
+x_53 = lean_box(0);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_53);
+lean_ctor_set(x_54, 1, x_47);
+return x_54;
 }
 }
 }
 else
 {
-lean_object* x_54; 
+lean_object* x_55; 
 lean_dec(x_35);
 lean_dec(x_34);
 lean_dec(x_33);
 lean_dec(x_26);
 lean_dec(x_25);
 lean_free_object(x_13);
-x_54 = lean_box(0);
-lean_ctor_set(x_12, 0, x_54);
+x_55 = lean_box(0);
+lean_ctor_set(x_12, 0, x_55);
 return x_12;
 }
 }
 else
 {
-lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; uint8_t x_68; 
-x_55 = lean_ctor_get(x_13, 0);
-x_56 = lean_ctor_get(x_12, 1);
-lean_inc(x_56);
-lean_dec(x_12);
-x_57 = lean_ctor_get(x_55, 0);
+lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+x_56 = lean_ctor_get(x_13, 0);
+x_57 = lean_ctor_get(x_12, 1);
 lean_inc(x_57);
-x_58 = lean_ctor_get(x_55, 1);
+lean_dec(x_12);
+x_58 = lean_ctor_get(x_56, 0);
 lean_inc(x_58);
-lean_dec(x_55);
-x_59 = lean_unsigned_to_nat(0u);
-x_60 = l_Lean_Expr_getAppNumArgsAux(x_2, x_59);
-x_61 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
-lean_inc(x_60);
-x_62 = lean_mk_array(x_60, x_61);
-x_63 = lean_unsigned_to_nat(1u);
-x_64 = lean_nat_sub(x_60, x_63);
-lean_dec(x_60);
-x_65 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_62, x_64);
-x_66 = lean_array_get_size(x_65);
-x_67 = lean_array_get_size(x_57);
-x_68 = lean_nat_dec_lt(x_66, x_67);
-if (x_68 == 0)
+x_59 = lean_ctor_get(x_56, 1);
+lean_inc(x_59);
+lean_dec(x_56);
+x_60 = lean_unsigned_to_nat(0u);
+x_61 = l_Lean_Expr_getAppNumArgsAux(x_2, x_60);
+x_62 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+lean_inc(x_61);
+x_63 = lean_mk_array(x_61, x_62);
+x_64 = lean_unsigned_to_nat(1u);
+x_65 = lean_nat_sub(x_61, x_64);
+lean_dec(x_61);
+x_66 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_63, x_65);
+x_67 = lean_array_get_size(x_66);
+x_68 = lean_array_get_size(x_58);
+x_69 = lean_nat_dec_lt(x_67, x_68);
+if (x_69 == 0)
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; uint8_t x_73; 
-x_69 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_58, x_3, x_4, x_5, x_6, x_56);
-x_70 = lean_ctor_get(x_69, 0);
-lean_inc(x_70);
-x_71 = lean_ctor_get(x_69, 1);
-lean_inc(x_71);
-if (lean_is_exclusive(x_69)) {
- lean_ctor_release(x_69, 0);
- lean_ctor_release(x_69, 1);
- x_72 = x_69;
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; uint8_t x_75; 
+x_70 = l_Lean_mkMVar(x_59);
+x_71 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_70, x_3, x_4, x_5, x_6, x_57);
+x_72 = lean_ctor_get(x_71, 0);
+lean_inc(x_72);
+x_73 = lean_ctor_get(x_71, 1);
+lean_inc(x_73);
+if (lean_is_exclusive(x_71)) {
+ lean_ctor_release(x_71, 0);
+ lean_ctor_release(x_71, 1);
+ x_74 = x_71;
 } else {
- lean_dec_ref(x_69);
- x_72 = lean_box(0);
+ lean_dec_ref(x_71);
+ x_74 = lean_box(0);
 }
-x_73 = l_Lean_Expr_hasExprMVar(x_70);
-if (x_73 == 0)
+x_75 = l_Lean_Expr_hasExprMVar(x_72);
+if (x_75 == 0)
 {
-lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
-x_74 = lean_expr_abstract(x_70, x_57);
-lean_dec(x_57);
-lean_dec(x_70);
-x_75 = lean_expr_instantiate_rev_range(x_74, x_59, x_67, x_65);
-lean_dec(x_74);
-x_76 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_66, x_65, x_67, x_75);
-lean_dec(x_65);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; 
+x_76 = lean_expr_abstract(x_72, x_58);
+lean_dec(x_58);
+lean_dec(x_72);
+x_77 = lean_expr_instantiate_rev_range(x_76, x_60, x_68, x_66);
+lean_dec(x_76);
+x_78 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_67, x_66, x_68, x_77);
 lean_dec(x_66);
-lean_ctor_set(x_13, 0, x_76);
-if (lean_is_scalar(x_72)) {
- x_77 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_77 = x_72;
-}
-lean_ctor_set(x_77, 0, x_13);
-lean_ctor_set(x_77, 1, x_71);
-return x_77;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; 
-lean_dec(x_70);
 lean_dec(x_67);
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_57);
-lean_free_object(x_13);
-x_78 = lean_box(0);
-if (lean_is_scalar(x_72)) {
+lean_ctor_set(x_13, 0, x_78);
+if (lean_is_scalar(x_74)) {
  x_79 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_79 = x_72;
+ x_79 = x_74;
 }
-lean_ctor_set(x_79, 0, x_78);
-lean_ctor_set(x_79, 1, x_71);
+lean_ctor_set(x_79, 0, x_13);
+lean_ctor_set(x_79, 1, x_73);
 return x_79;
 }
-}
 else
 {
 lean_object* x_80; lean_object* x_81; 
+lean_dec(x_72);
+lean_dec(x_68);
 lean_dec(x_67);
 lean_dec(x_66);
-lean_dec(x_65);
 lean_dec(x_58);
-lean_dec(x_57);
 lean_free_object(x_13);
 x_80 = lean_box(0);
-x_81 = lean_alloc_ctor(0, 2, 0);
+if (lean_is_scalar(x_74)) {
+ x_81 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_81 = x_74;
+}
 lean_ctor_set(x_81, 0, x_80);
-lean_ctor_set(x_81, 1, x_56);
+lean_ctor_set(x_81, 1, x_73);
 return x_81;
 }
 }
+else
+{
+lean_object* x_82; lean_object* x_83; 
+lean_dec(x_68);
+lean_dec(x_67);
+lean_dec(x_66);
+lean_dec(x_59);
+lean_dec(x_58);
+lean_free_object(x_13);
+x_82 = lean_box(0);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_82);
+lean_ctor_set(x_83, 1, x_57);
+return x_83;
+}
+}
 }
 else
 {
-lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; 
-x_82 = lean_ctor_get(x_13, 0);
-lean_inc(x_82);
+lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; uint8_t x_98; 
+x_84 = lean_ctor_get(x_13, 0);
+lean_inc(x_84);
 lean_dec(x_13);
-x_83 = lean_ctor_get(x_12, 1);
-lean_inc(x_83);
+x_85 = lean_ctor_get(x_12, 1);
+lean_inc(x_85);
 if (lean_is_exclusive(x_12)) {
  lean_ctor_release(x_12, 0);
  lean_ctor_release(x_12, 1);
- x_84 = x_12;
+ x_86 = x_12;
 } else {
  lean_dec_ref(x_12);
- x_84 = lean_box(0);
+ x_86 = lean_box(0);
 }
-x_85 = lean_ctor_get(x_82, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_82, 1);
-lean_inc(x_86);
-lean_dec(x_82);
-x_87 = lean_unsigned_to_nat(0u);
-x_88 = l_Lean_Expr_getAppNumArgsAux(x_2, x_87);
-x_89 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+x_87 = lean_ctor_get(x_84, 0);
+lean_inc(x_87);
+x_88 = lean_ctor_get(x_84, 1);
 lean_inc(x_88);
-x_90 = lean_mk_array(x_88, x_89);
-x_91 = lean_unsigned_to_nat(1u);
-x_92 = lean_nat_sub(x_88, x_91);
-lean_dec(x_88);
-x_93 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_90, x_92);
-x_94 = lean_array_get_size(x_93);
-x_95 = lean_array_get_size(x_85);
-x_96 = lean_nat_dec_lt(x_94, x_95);
-if (x_96 == 0)
-{
-lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; uint8_t x_101; 
 lean_dec(x_84);
-x_97 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_86, x_3, x_4, x_5, x_6, x_83);
-x_98 = lean_ctor_get(x_97, 0);
-lean_inc(x_98);
-x_99 = lean_ctor_get(x_97, 1);
-lean_inc(x_99);
-if (lean_is_exclusive(x_97)) {
- lean_ctor_release(x_97, 0);
- lean_ctor_release(x_97, 1);
- x_100 = x_97;
-} else {
- lean_dec_ref(x_97);
- x_100 = lean_box(0);
-}
-x_101 = l_Lean_Expr_hasExprMVar(x_98);
-if (x_101 == 0)
+x_89 = lean_unsigned_to_nat(0u);
+x_90 = l_Lean_Expr_getAppNumArgsAux(x_2, x_89);
+x_91 = l___private_Lean_Meta_WHNF_0__Lean_Meta_mkNullaryCtor___closed__1;
+lean_inc(x_90);
+x_92 = lean_mk_array(x_90, x_91);
+x_93 = lean_unsigned_to_nat(1u);
+x_94 = lean_nat_sub(x_90, x_93);
+lean_dec(x_90);
+x_95 = l___private_Lean_Expr_0__Lean_Expr_getAppArgsAux(x_2, x_92, x_94);
+x_96 = lean_array_get_size(x_95);
+x_97 = lean_array_get_size(x_87);
+x_98 = lean_nat_dec_lt(x_96, x_97);
+if (x_98 == 0)
 {
-lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-x_102 = lean_expr_abstract(x_98, x_85);
-lean_dec(x_85);
-lean_dec(x_98);
-x_103 = lean_expr_instantiate_rev_range(x_102, x_87, x_95, x_93);
-lean_dec(x_102);
-x_104 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_94, x_93, x_95, x_103);
-lean_dec(x_93);
-lean_dec(x_94);
-x_105 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_105, 0, x_104);
-if (lean_is_scalar(x_100)) {
- x_106 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_106 = x_100;
-}
-lean_ctor_set(x_106, 0, x_105);
-lean_ctor_set(x_106, 1, x_99);
-return x_106;
-}
-else
-{
-lean_object* x_107; lean_object* x_108; 
-lean_dec(x_98);
-lean_dec(x_95);
-lean_dec(x_94);
-lean_dec(x_93);
-lean_dec(x_85);
-x_107 = lean_box(0);
-if (lean_is_scalar(x_100)) {
- x_108 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_108 = x_100;
-}
-lean_ctor_set(x_108, 0, x_107);
-lean_ctor_set(x_108, 1, x_99);
-return x_108;
-}
-}
-else
-{
-lean_object* x_109; lean_object* x_110; 
-lean_dec(x_95);
-lean_dec(x_94);
-lean_dec(x_93);
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
 lean_dec(x_86);
-lean_dec(x_85);
-x_109 = lean_box(0);
-if (lean_is_scalar(x_84)) {
- x_110 = lean_alloc_ctor(0, 2, 0);
+x_99 = l_Lean_mkMVar(x_88);
+x_100 = l_Lean_instantiateMVars___at___private_Lean_Meta_Basic_0__Lean_Meta_mkLeveErrorMessageCore___spec__1(x_99, x_3, x_4, x_5, x_6, x_85);
+x_101 = lean_ctor_get(x_100, 0);
+lean_inc(x_101);
+x_102 = lean_ctor_get(x_100, 1);
+lean_inc(x_102);
+if (lean_is_exclusive(x_100)) {
+ lean_ctor_release(x_100, 0);
+ lean_ctor_release(x_100, 1);
+ x_103 = x_100;
 } else {
- x_110 = x_84;
+ lean_dec_ref(x_100);
+ x_103 = lean_box(0);
 }
-lean_ctor_set(x_110, 0, x_109);
-lean_ctor_set(x_110, 1, x_83);
-return x_110;
+x_104 = l_Lean_Expr_hasExprMVar(x_101);
+if (x_104 == 0)
+{
+lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; 
+x_105 = lean_expr_abstract(x_101, x_87);
+lean_dec(x_87);
+lean_dec(x_101);
+x_106 = lean_expr_instantiate_rev_range(x_105, x_89, x_97, x_95);
+lean_dec(x_105);
+x_107 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_96, x_95, x_97, x_106);
+lean_dec(x_95);
+lean_dec(x_96);
+x_108 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_108, 0, x_107);
+if (lean_is_scalar(x_103)) {
+ x_109 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_109 = x_103;
+}
+lean_ctor_set(x_109, 0, x_108);
+lean_ctor_set(x_109, 1, x_102);
+return x_109;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; 
+lean_dec(x_101);
+lean_dec(x_97);
+lean_dec(x_96);
+lean_dec(x_95);
+lean_dec(x_87);
+x_110 = lean_box(0);
+if (lean_is_scalar(x_103)) {
+ x_111 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_111 = x_103;
+}
+lean_ctor_set(x_111, 0, x_110);
+lean_ctor_set(x_111, 1, x_102);
+return x_111;
+}
+}
+else
+{
+lean_object* x_112; lean_object* x_113; 
+lean_dec(x_97);
+lean_dec(x_96);
+lean_dec(x_95);
+lean_dec(x_88);
+lean_dec(x_87);
+x_112 = lean_box(0);
+if (lean_is_scalar(x_86)) {
+ x_113 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_113 = x_86;
+}
+lean_ctor_set(x_113, 0, x_112);
+lean_ctor_set(x_113, 1, x_85);
+return x_113;
 }
 }
 }
@@ -33215,7 +33219,7 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_object* x_1) {
+LEAN_EXPORT lean_object* l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -33643,7 +33647,7 @@ l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1 = _init_l
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__1);
 l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2 = _init_l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2();
 lean_mark_persistent(l_Lean_throwMaxRecDepthAt___at_Lean_Meta_whnfImp___spec__2___closed__2);
-res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8433_(lean_io_mk_world());
+res = l_Lean_Meta_initFn____x40_Lean_Meta_WHNF___hyg_8438_(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_io_result_mk_ok(lean_box(0));
diff --git a/stage0/stdlib/Lean/MetavarContext.c b/stage0/stdlib/Lean/MetavarContext.c
index eb62f340f2..0f22a6b2c8 100644
--- a/stage0/stdlib/Lean/MetavarContext.c
+++ b/stage0/stdlib/Lean/MetavarContext.c
@@ -53,6 +53,7 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_DependsOn_main(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__42(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateMVarsCore___spec__9___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_findExprDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 size_t lean_usize_add(size_t, size_t);
@@ -73,7 +74,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shoul
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_getLevelMVarAssignment_x3f___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_MetavarContext_LevelMVarToParam_main_visitApp___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__9(lean_object*, lean_object*, size_t, size_t);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__45___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -125,9 +125,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_assignExprMVar___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__25(lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__3;
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg___lambda__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__18(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__71(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn___spec__8(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -144,6 +142,7 @@ LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn_x27___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn_x27___spec__4___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_eraseIdx___rarg(lean_object*, lean_object*);
 uint8_t lean_usize_dec_eq(size_t, size_t);
 LEAN_EXPORT lean_object* l_StateRefT_x27_get___at_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST___spec__1(lean_object*);
@@ -173,6 +172,7 @@ LEAN_EXPORT lean_object* l_Lean_assignExprMVar___rarg___lambda__1(lean_object*,
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__40(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_anyM___at_Lean_hasAssignableMVar___spec__1(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__104___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_instantiateLocalDeclMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__52(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn_x27___spec__10(lean_object*, lean_object*, lean_object*);
@@ -188,7 +188,6 @@ LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_exprDependsOn___spec__4___lambda__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssignable(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__71___boxed(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__44(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__99___boxed(lean_object*, lean_object*, lean_object*);
@@ -215,7 +214,6 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__16___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux_traverse___at_Lean_MetavarContext_getExprAssignmentDomain___spec__4___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore___spec__10___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__2(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__13___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -267,7 +265,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__102___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_abstractRange(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux_traverse___at_Lean_assignDelayedMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__6___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__12___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -317,7 +314,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVar
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15___closed__3;
 static lean_object* l_Lean_MetavarContext_LevelMVarToParam_instMonadCacheExprStructEqExprM___closed__3;
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__12___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__28(lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__22(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
@@ -341,6 +337,7 @@ lean_object* l_Array_toSubarray___rarg(lean_object*, lean_object*, lean_object*)
 LEAN_EXPORT lean_object* l_Lean_LocalContext_foldlM___at_Lean_instantiateLCtxMVars___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__15(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Nat_anyAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__50(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__33___boxed(lean_object*, lean_object*, lean_object*);
@@ -398,10 +395,10 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_localDeclDependsOn___spec__41___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__14(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__43___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_isLevelMVarAssignable___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__44___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__29___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10(lean_object*);
@@ -428,7 +425,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__27(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__26___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__10(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__12___rarg___lambda__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__56___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__29(lean_object*);
@@ -453,6 +449,7 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__39___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedLocalInstance___closed__3;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_getExprAssignmentDomain(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateMVarsCore___spec__42___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -501,8 +498,6 @@ LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars(lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__9___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__40___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Nat_forM_loop___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__116___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__34___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -581,6 +576,7 @@ LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1(lean_ob
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insert___at_Lean_MetavarContext_addExprMVarDecl___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__25(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__14(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_elimMVarDeps___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__18(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_instMonadMCtxStateRefT_x27MetavarContextST(lean_object*);
@@ -608,6 +604,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__22___boxed(lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarKind_noConfusion___rarg___closed__1;
 LEAN_EXPORT lean_object* l_Lean_findLocalDeclDependsOn___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__45___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__56(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_replace___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__7(lean_object*, lean_object*, lean_object*);
@@ -624,6 +621,7 @@ static lean_object* l_Lean_instantiateLCtxMVars___rarg___closed__2;
 lean_object* lean_st_ref_take(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__19(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__10___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_isUnaryNode___rarg(lean_object*);
@@ -696,7 +694,6 @@ LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__25___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__35(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_visitLevel(lean_object*, lean_object*, lean_object*);
 lean_object* lean_level_update_max(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__14___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -725,6 +722,7 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn_x27___spec__5___boxed(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isMVarDelayedAssigned(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__27___boxed(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__7___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__80(lean_object*, lean_object*, size_t, size_t);
@@ -736,13 +734,13 @@ LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg___lambda__3(lean
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__2___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__98(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38___rarg___lambda__1(size_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, size_t, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5(size_t, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_ST_Prim_Ref_get___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__10___rarg(lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_instantiateLCtxMVars___spec__14___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__4;
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_mkHashMapImp___rarg(lean_object*);
 LEAN_EXPORT uint8_t l_Lean_instBEqLocalInstance(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_LevelMVarToParam_mkParamName(lean_object*, lean_object*);
@@ -813,7 +811,6 @@ LEAN_EXPORT lean_object* l___private_Std_Data_PersistentArray_0__Std_PersistentA
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__62(lean_object*, lean_object*);
 lean_object* lean_st_mk_ref(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_setMVarType(lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instInhabitedMetavarDecl___closed__2;
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_decls___default;
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__2___boxed(lean_object*, lean_object*, lean_object*);
@@ -857,7 +854,6 @@ LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprM
 LEAN_EXPORT lean_object* l_Std_HashMapImp_find_x3f___at_Lean_instantiateExprMVars___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_HashSetImp_insert___at___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit___spec__3(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__31___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg___lambda__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__13___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__38___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_LocalContext_getFVar_x21(lean_object*, lean_object*);
@@ -919,7 +915,6 @@ LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__95___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_mapM___at_Lean_MetavarContext_LevelMVarToParam_main___spec__1(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateExprMVars___spec__10(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__1;
 LEAN_EXPORT lean_object* l_modify___at_Lean_instMonadMCtxStateRefT_x27MetavarContextST___spec__2___rarg___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__78(lean_object*, lean_object*);
@@ -1001,7 +996,6 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadHashMapCacheAd
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getInScope___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__21___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__3___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar(lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_foldlM___at_Lean_instantiateLCtxMVars___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25(lean_object*);
@@ -1058,7 +1052,6 @@ lean_object* lean_expr_update_proj(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__22___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlMAux___at_Lean_MetavarContext_getExprAssignmentDomain___spec__2(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___rarg___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__17___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_collectForwardDeps___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__9___rarg___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1069,7 +1062,6 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__38(lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_reprMetavarKind____x40_Lean_MetavarContext___hyg_101____boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateMVarDeclMVars___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___rarg___lambda__1(lean_object*);
@@ -1174,13 +1166,13 @@ LEAN_EXPORT lean_object* l_Std_mkHashSet___at_Lean_DependsOn_State_visited___def
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_exprDependsOn_x27___spec__4(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27(lean_object*, lean_object*);
 static size_t l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__2;
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn_x27___spec__5___boxed(lean_object*, lean_object*, lean_object*);
 static lean_object* l_Lean_MetavarContext_MkBinding_instToStringException___closed__5;
 extern uint8_t l_instInhabitedBool;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__112___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instToStringException(lean_object*);
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__77(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_foldlM___at_Lean_MetavarContext_getExprAssignmentDomain___spec__1(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1188,7 +1180,6 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___sp
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_preserveOrder(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssignable___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__30___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_isExprMVarAssigned___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__19___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
@@ -1196,7 +1187,6 @@ LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_collectForwardDeps___la
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_localDeclDependsOn_x27___spec__9(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_assignLevelMVar___at_Lean_MetavarContext_LevelMVarToParam_visitLevel___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at_Lean_instantiateExprMVars___spec__23(lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__12___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__22___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___at_Lean_instantiateMVarDeclMVars___spec__4(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1210,6 +1200,7 @@ LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27_
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__41(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_exprDependsOn_x27___spec__17(lean_object*, lean_object*, size_t, size_t);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__11___closed__1;
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__58(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn_x27___spec__63___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_exprDependsOn___spec__13___boxed(lean_object*, lean_object*, lean_object*);
@@ -1239,13 +1230,11 @@ LEAN_EXPORT lean_object* l_Std_AssocList_replace___at_Lean_instantiateExprMVars_
 LEAN_EXPORT lean_object* l_Lean_instantiateExprMVars___rarg___lambda__16(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_instantiateLevelMVars___at_Lean_instantiateExprMVars___spec__15___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__32(lean_object*, lean_object*, size_t, size_t);
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(lean_object*, size_t, lean_object*);
 lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__41___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar(lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__82___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__26(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_hasMVar(lean_object*);
 lean_object* l_Lean_Expr_betaRev(lean_object*, lean_object*, uint8_t, uint8_t);
@@ -1314,13 +1303,13 @@ LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__
 LEAN_EXPORT lean_object* l_Lean_localDeclDependsOn___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__110___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_MetavarContext_setMVarUserName___spec__2(lean_object*, size_t, lean_object*);
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Lean_MetavarContext_usedAssignment___default;
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f___at_Lean_instantiateMVarsCore___spec__3(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_instMonadMCtxM___lambda__3(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__45(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_insertAux___at_Lean_assignDelayedMVar___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_collectForwardDeps(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__28(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Subarray_forInUnsafe_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_getLocalDeclWithSmallestIdx___spec__1(lean_object*, lean_object*, size_t, size_t, lean_object*);
@@ -1387,6 +1376,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars__
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__27___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
 static lean_object* l_Lean_instantiateExprMVars___rarg___lambda__13___closed__2;
 LEAN_EXPORT lean_object* l_Lean_Expr_withAppAux___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elim___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_getExprMVarAssignment_x3f(lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__70___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_markUsedAssignment___at_Lean_instantiateMVarsCore___spec__18___boxed(lean_object*, lean_object*);
@@ -1420,7 +1410,6 @@ lean_object* lean_panic_fn(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__42___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__32(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_mkLambda___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_dependsOn___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__16___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn___spec__20(lean_object*, lean_object*);
@@ -1466,6 +1455,7 @@ LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore__
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21(lean_object*);
 LEAN_EXPORT lean_object* l_StateT_bind___at_Lean_DependsOn_instMonadMCtxM___spec__2___rarg(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentHashMap_findAtAux___at_Lean_MetavarContext_findUserName_x3f___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__10(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_localDeclDependsOn___spec__45(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__21(lean_object*, lean_object*);
@@ -1541,7 +1531,6 @@ LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_v
 LEAN_EXPORT lean_object* l_Lean_exprDependsOn_x27___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignableLevelMVar___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimApp___spec__10(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__41___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visit___at_Lean_exprDependsOn_x27___spec__8(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_mkForall(lean_object*, lean_object*, uint8_t, uint8_t, uint8_t, lean_object*, lean_object*);
@@ -1664,7 +1653,6 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at_Lean_MetavarContext_getE
 LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn___spec__38(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp___spec__1(lean_object*, uint8_t, lean_object*, size_t, size_t, lean_object*);
 lean_object* l_Nat_foldRevM_loop___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg(lean_object*, lean_object*);
 LEAN_EXPORT uint8_t l_Std_PersistentArray_anyMAux___at_Lean_MetavarContext_MkBinding_collectForwardDeps___spec__30(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyM___at_Lean_localDeclDependsOn_x27___spec__38___boxed(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1785,6 +1773,7 @@ LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarCo
 lean_object* l_runST___rarg(lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Std_PersistentArray_anyMAux___at_Lean_exprDependsOn___spec__16___boxed(lean_object*, lean_object*);
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at_Lean_localDeclDependsOn_x27___spec__32___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitMain___at_Lean_localDeclDependsOn___spec__42(lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_mkBinding___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -1808,7 +1797,6 @@ uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_hasAssignedMVar___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__20___rarg(lean_object*, size_t, size_t, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__47___rarg(lean_object*, lean_object*, lean_object*, lean_object*, size_t, size_t, lean_object*, lean_object*);
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2(lean_object*, lean_object*, size_t, size_t);
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_dep_visitApp___at_Lean_exprDependsOn___spec__3(lean_object*, lean_object*, lean_object*);
 lean_object* l_Repr_addAppParen(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_List_toStringAux___at_Lean_MetavarContext_MkBinding_instToStringException___spec__3___boxed(lean_object*, lean_object*);
@@ -3605,33 +3593,15 @@ return x_7;
 else
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_4, 0);
-x_9 = lean_ctor_get(x_8, 1);
-x_10 = l_Lean_Expr_getAppFn(x_9);
-if (lean_obj_tag(x_10) == 2)
-{
-lean_object* x_11; lean_object* x_12; 
 lean_dec(x_2);
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = l_Lean_getDelayedMVarRoot___rarg(x_1, x_3, x_11);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_10);
-lean_dec(x_3);
-x_13 = lean_ctor_get(x_1, 0);
-lean_inc(x_13);
-lean_dec(x_1);
-x_14 = lean_ctor_get(x_13, 1);
-lean_inc(x_14);
-lean_dec(x_13);
-x_15 = lean_apply_2(x_14, lean_box(0), x_2);
-return x_15;
-}
+x_8 = lean_ctor_get(x_4, 0);
+lean_inc(x_8);
+lean_dec(x_4);
+x_9 = lean_ctor_get(x_8, 1);
+lean_inc(x_9);
+lean_dec(x_8);
+x_10 = l_Lean_getDelayedMVarRoot___rarg(x_1, x_3, x_9);
+return x_10;
 }
 }
 }
@@ -3645,7 +3615,7 @@ lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
 x_5 = l_Lean_getDelayedMVarAssignment_x3f___rarg(x_1, x_2, x_3);
-x_6 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarRoot___rarg___lambda__1___boxed), 4, 3);
+x_6 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarRoot___rarg___lambda__1), 4, 3);
 lean_closure_set(x_6, 0, x_1);
 lean_closure_set(x_6, 1, x_3);
 lean_closure_set(x_6, 2, x_2);
@@ -3661,15 +3631,6 @@ x_2 = lean_alloc_closure((void*)(l_Lean_getDelayedMVarRoot___rarg), 3, 0);
 return x_2;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarRoot___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_getDelayedMVarRoot___rarg___lambda__1(x_1, x_2, x_3, x_4);
-lean_dec(x_4);
-return x_5;
-}
-}
 LEAN_EXPORT uint8_t l_Std_PersistentHashMap_containsAtAux___at_Lean_isLevelMVarAssigned___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -4507,7 +4468,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__2;
-x_3 = lean_unsigned_to_nat(354u);
+x_3 = lean_unsigned_to_nat(353u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__3;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -4789,7 +4750,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_MetavarContext_getDecl___closed__1;
-x_3 = lean_unsigned_to_nat(359u);
+x_3 = lean_unsigned_to_nat(358u);
 x_4 = lean_unsigned_to_nat(17u);
 x_5 = l_Lean_MetavarContext_getDecl___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -8262,785 +8223,6 @@ x_8 = l_Std_PersistentHashMap_insertAux___at_Lean_assignDelayedMVar___spec__2(x_
 return x_8;
 }
 }
-LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; uint8_t x_5; 
-x_4 = lean_array_get_size(x_1);
-x_5 = lean_nat_dec_lt(x_3, x_4);
-lean_dec(x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; 
-lean_dec(x_3);
-x_6 = lean_box(0);
-return x_6;
-}
-else
-{
-lean_object* x_7; uint8_t x_8; 
-x_7 = lean_array_fget(x_1, x_3);
-x_8 = lean_name_eq(x_7, x_2);
-lean_dec(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; lean_object* x_10; 
-x_9 = lean_unsigned_to_nat(1u);
-x_10 = lean_nat_add(x_3, x_9);
-lean_dec(x_3);
-x_3 = x_10;
-goto _start;
-}
-else
-{
-lean_object* x_12; 
-x_12 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_12, 0, x_3);
-return x_12;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(lean_object* x_1, size_t x_2, lean_object* x_3) {
-_start:
-{
-if (lean_obj_tag(x_1) == 0)
-{
-lean_object* x_4; size_t x_5; size_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_4 = lean_ctor_get(x_1, 0);
-lean_inc(x_4);
-x_5 = 5;
-x_6 = l_Std_PersistentHashMap_findAux___at_Lean_getLevelMVarAssignment_x3f___spec__2___closed__2;
-x_7 = lean_usize_land(x_2, x_6);
-x_8 = lean_usize_to_nat(x_7);
-x_9 = lean_box(2);
-x_10 = lean_array_get(x_9, x_4, x_8);
-switch (lean_obj_tag(x_10)) {
-case 0:
-{
-lean_object* x_11; uint8_t x_12; 
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-lean_dec(x_10);
-x_12 = lean_name_eq(x_3, x_11);
-lean_dec(x_11);
-if (x_12 == 0)
-{
-uint8_t x_13; lean_object* x_14; lean_object* x_15; 
-lean_dec(x_8);
-lean_dec(x_4);
-x_13 = 0;
-x_14 = lean_box(x_13);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_1);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-else
-{
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_1);
-if (x_16 == 0)
-{
-lean_object* x_17; lean_object* x_18; uint8_t x_19; lean_object* x_20; lean_object* x_21; 
-x_17 = lean_ctor_get(x_1, 0);
-lean_dec(x_17);
-x_18 = lean_array_set(x_4, x_8, x_9);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_18);
-x_19 = 1;
-x_20 = lean_box(x_19);
-x_21 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_21, 0, x_1);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
-}
-else
-{
-lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; lean_object* x_26; 
-lean_dec(x_1);
-x_22 = lean_array_set(x_4, x_8, x_9);
-lean_dec(x_8);
-x_23 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_23, 0, x_22);
-x_24 = 1;
-x_25 = lean_box(x_24);
-x_26 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_26, 0, x_23);
-lean_ctor_set(x_26, 1, x_25);
-return x_26;
-}
-}
-}
-case 1:
-{
-uint8_t x_27; 
-x_27 = !lean_is_exclusive(x_10);
-if (x_27 == 0)
-{
-lean_object* x_28; lean_object* x_29; size_t x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_28 = lean_ctor_get(x_10, 0);
-x_29 = lean_array_set(x_4, x_8, x_9);
-x_30 = lean_usize_shift_right(x_2, x_5);
-x_31 = l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(x_28, x_30, x_3);
-x_32 = lean_ctor_get(x_31, 1);
-lean_inc(x_32);
-x_33 = lean_unbox(x_32);
-lean_dec(x_32);
-if (x_33 == 0)
-{
-uint8_t x_34; 
-lean_dec(x_29);
-lean_free_object(x_10);
-lean_dec(x_8);
-x_34 = !lean_is_exclusive(x_31);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; uint8_t x_37; lean_object* x_38; 
-x_35 = lean_ctor_get(x_31, 1);
-lean_dec(x_35);
-x_36 = lean_ctor_get(x_31, 0);
-lean_dec(x_36);
-x_37 = 0;
-x_38 = lean_box(x_37);
-lean_ctor_set(x_31, 1, x_38);
-lean_ctor_set(x_31, 0, x_1);
-return x_31;
-}
-else
-{
-uint8_t x_39; lean_object* x_40; lean_object* x_41; 
-lean_dec(x_31);
-x_39 = 0;
-x_40 = lean_box(x_39);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_1);
-lean_ctor_set(x_41, 1, x_40);
-return x_41;
-}
-}
-else
-{
-uint8_t x_42; 
-x_42 = !lean_is_exclusive(x_1);
-if (x_42 == 0)
-{
-lean_object* x_43; uint8_t x_44; 
-x_43 = lean_ctor_get(x_1, 0);
-lean_dec(x_43);
-x_44 = !lean_is_exclusive(x_31);
-if (x_44 == 0)
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_31, 0);
-x_46 = lean_ctor_get(x_31, 1);
-lean_dec(x_46);
-x_47 = l_Std_PersistentHashMap_isUnaryNode___rarg(x_45);
-if (lean_obj_tag(x_47) == 0)
-{
-lean_object* x_48; uint8_t x_49; lean_object* x_50; 
-lean_ctor_set(x_10, 0, x_45);
-x_48 = lean_array_set(x_29, x_8, x_10);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_48);
-x_49 = 1;
-x_50 = lean_box(x_49);
-lean_ctor_set(x_31, 1, x_50);
-lean_ctor_set(x_31, 0, x_1);
-return x_31;
-}
-else
-{
-lean_object* x_51; uint8_t x_52; 
-lean_free_object(x_31);
-lean_dec(x_45);
-lean_free_object(x_10);
-x_51 = lean_ctor_get(x_47, 0);
-lean_inc(x_51);
-lean_dec(x_47);
-x_52 = !lean_is_exclusive(x_51);
-if (x_52 == 0)
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; uint8_t x_57; lean_object* x_58; 
-x_53 = lean_ctor_get(x_51, 0);
-x_54 = lean_ctor_get(x_51, 1);
-x_55 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_55, 0, x_53);
-lean_ctor_set(x_55, 1, x_54);
-x_56 = lean_array_set(x_29, x_8, x_55);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_56);
-x_57 = 1;
-x_58 = lean_box(x_57);
-lean_ctor_set(x_51, 1, x_58);
-lean_ctor_set(x_51, 0, x_1);
-return x_51;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; uint8_t x_63; lean_object* x_64; lean_object* x_65; 
-x_59 = lean_ctor_get(x_51, 0);
-x_60 = lean_ctor_get(x_51, 1);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_51);
-x_61 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_61, 0, x_59);
-lean_ctor_set(x_61, 1, x_60);
-x_62 = lean_array_set(x_29, x_8, x_61);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_62);
-x_63 = 1;
-x_64 = lean_box(x_63);
-x_65 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_65, 0, x_1);
-lean_ctor_set(x_65, 1, x_64);
-return x_65;
-}
-}
-}
-else
-{
-lean_object* x_66; lean_object* x_67; 
-x_66 = lean_ctor_get(x_31, 0);
-lean_inc(x_66);
-lean_dec(x_31);
-x_67 = l_Std_PersistentHashMap_isUnaryNode___rarg(x_66);
-if (lean_obj_tag(x_67) == 0)
-{
-lean_object* x_68; uint8_t x_69; lean_object* x_70; lean_object* x_71; 
-lean_ctor_set(x_10, 0, x_66);
-x_68 = lean_array_set(x_29, x_8, x_10);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_68);
-x_69 = 1;
-x_70 = lean_box(x_69);
-x_71 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_71, 0, x_1);
-lean_ctor_set(x_71, 1, x_70);
-return x_71;
-}
-else
-{
-lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; uint8_t x_78; lean_object* x_79; lean_object* x_80; 
-lean_dec(x_66);
-lean_free_object(x_10);
-x_72 = lean_ctor_get(x_67, 0);
-lean_inc(x_72);
-lean_dec(x_67);
-x_73 = lean_ctor_get(x_72, 0);
-lean_inc(x_73);
-x_74 = lean_ctor_get(x_72, 1);
-lean_inc(x_74);
-if (lean_is_exclusive(x_72)) {
- lean_ctor_release(x_72, 0);
- lean_ctor_release(x_72, 1);
- x_75 = x_72;
-} else {
- lean_dec_ref(x_72);
- x_75 = lean_box(0);
-}
-x_76 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_76, 0, x_73);
-lean_ctor_set(x_76, 1, x_74);
-x_77 = lean_array_set(x_29, x_8, x_76);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_77);
-x_78 = 1;
-x_79 = lean_box(x_78);
-if (lean_is_scalar(x_75)) {
- x_80 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_80 = x_75;
-}
-lean_ctor_set(x_80, 0, x_1);
-lean_ctor_set(x_80, 1, x_79);
-return x_80;
-}
-}
-}
-else
-{
-lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-lean_dec(x_1);
-x_81 = lean_ctor_get(x_31, 0);
-lean_inc(x_81);
-if (lean_is_exclusive(x_31)) {
- lean_ctor_release(x_31, 0);
- lean_ctor_release(x_31, 1);
- x_82 = x_31;
-} else {
- lean_dec_ref(x_31);
- x_82 = lean_box(0);
-}
-x_83 = l_Std_PersistentHashMap_isUnaryNode___rarg(x_81);
-if (lean_obj_tag(x_83) == 0)
-{
-lean_object* x_84; lean_object* x_85; uint8_t x_86; lean_object* x_87; lean_object* x_88; 
-lean_ctor_set(x_10, 0, x_81);
-x_84 = lean_array_set(x_29, x_8, x_10);
-lean_dec(x_8);
-x_85 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_85, 0, x_84);
-x_86 = 1;
-x_87 = lean_box(x_86);
-if (lean_is_scalar(x_82)) {
- x_88 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_88 = x_82;
-}
-lean_ctor_set(x_88, 0, x_85);
-lean_ctor_set(x_88, 1, x_87);
-return x_88;
-}
-else
-{
-lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; uint8_t x_96; lean_object* x_97; lean_object* x_98; 
-lean_dec(x_82);
-lean_dec(x_81);
-lean_free_object(x_10);
-x_89 = lean_ctor_get(x_83, 0);
-lean_inc(x_89);
-lean_dec(x_83);
-x_90 = lean_ctor_get(x_89, 0);
-lean_inc(x_90);
-x_91 = lean_ctor_get(x_89, 1);
-lean_inc(x_91);
-if (lean_is_exclusive(x_89)) {
- lean_ctor_release(x_89, 0);
- lean_ctor_release(x_89, 1);
- x_92 = x_89;
-} else {
- lean_dec_ref(x_89);
- x_92 = lean_box(0);
-}
-x_93 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_93, 0, x_90);
-lean_ctor_set(x_93, 1, x_91);
-x_94 = lean_array_set(x_29, x_8, x_93);
-lean_dec(x_8);
-x_95 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_95, 0, x_94);
-x_96 = 1;
-x_97 = lean_box(x_96);
-if (lean_is_scalar(x_92)) {
- x_98 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_98 = x_92;
-}
-lean_ctor_set(x_98, 0, x_95);
-lean_ctor_set(x_98, 1, x_97);
-return x_98;
-}
-}
-}
-}
-else
-{
-lean_object* x_99; lean_object* x_100; size_t x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
-x_99 = lean_ctor_get(x_10, 0);
-lean_inc(x_99);
-lean_dec(x_10);
-x_100 = lean_array_set(x_4, x_8, x_9);
-x_101 = lean_usize_shift_right(x_2, x_5);
-x_102 = l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(x_99, x_101, x_3);
-x_103 = lean_ctor_get(x_102, 1);
-lean_inc(x_103);
-x_104 = lean_unbox(x_103);
-lean_dec(x_103);
-if (x_104 == 0)
-{
-lean_object* x_105; uint8_t x_106; lean_object* x_107; lean_object* x_108; 
-lean_dec(x_100);
-lean_dec(x_8);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_105 = x_102;
-} else {
- lean_dec_ref(x_102);
- x_105 = lean_box(0);
-}
-x_106 = 0;
-x_107 = lean_box(x_106);
-if (lean_is_scalar(x_105)) {
- x_108 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_108 = x_105;
-}
-lean_ctor_set(x_108, 0, x_1);
-lean_ctor_set(x_108, 1, x_107);
-return x_108;
-}
-else
-{
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-if (lean_is_exclusive(x_1)) {
- lean_ctor_release(x_1, 0);
- x_109 = x_1;
-} else {
- lean_dec_ref(x_1);
- x_109 = lean_box(0);
-}
-x_110 = lean_ctor_get(x_102, 0);
-lean_inc(x_110);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_111 = x_102;
-} else {
- lean_dec_ref(x_102);
- x_111 = lean_box(0);
-}
-x_112 = l_Std_PersistentHashMap_isUnaryNode___rarg(x_110);
-if (lean_obj_tag(x_112) == 0)
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; uint8_t x_116; lean_object* x_117; lean_object* x_118; 
-x_113 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_113, 0, x_110);
-x_114 = lean_array_set(x_100, x_8, x_113);
-lean_dec(x_8);
-if (lean_is_scalar(x_109)) {
- x_115 = lean_alloc_ctor(0, 1, 0);
-} else {
- x_115 = x_109;
-}
-lean_ctor_set(x_115, 0, x_114);
-x_116 = 1;
-x_117 = lean_box(x_116);
-if (lean_is_scalar(x_111)) {
- x_118 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_118 = x_111;
-}
-lean_ctor_set(x_118, 0, x_115);
-lean_ctor_set(x_118, 1, x_117);
-return x_118;
-}
-else
-{
-lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; uint8_t x_126; lean_object* x_127; lean_object* x_128; 
-lean_dec(x_111);
-lean_dec(x_110);
-x_119 = lean_ctor_get(x_112, 0);
-lean_inc(x_119);
-lean_dec(x_112);
-x_120 = lean_ctor_get(x_119, 0);
-lean_inc(x_120);
-x_121 = lean_ctor_get(x_119, 1);
-lean_inc(x_121);
-if (lean_is_exclusive(x_119)) {
- lean_ctor_release(x_119, 0);
- lean_ctor_release(x_119, 1);
- x_122 = x_119;
-} else {
- lean_dec_ref(x_119);
- x_122 = lean_box(0);
-}
-x_123 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_123, 0, x_120);
-lean_ctor_set(x_123, 1, x_121);
-x_124 = lean_array_set(x_100, x_8, x_123);
-lean_dec(x_8);
-if (lean_is_scalar(x_109)) {
- x_125 = lean_alloc_ctor(0, 1, 0);
-} else {
- x_125 = x_109;
-}
-lean_ctor_set(x_125, 0, x_124);
-x_126 = 1;
-x_127 = lean_box(x_126);
-if (lean_is_scalar(x_122)) {
- x_128 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_128 = x_122;
-}
-lean_ctor_set(x_128, 0, x_125);
-lean_ctor_set(x_128, 1, x_127);
-return x_128;
-}
-}
-}
-}
-default: 
-{
-uint8_t x_129; lean_object* x_130; lean_object* x_131; 
-lean_dec(x_8);
-lean_dec(x_4);
-x_129 = 0;
-x_130 = lean_box(x_129);
-x_131 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_131, 0, x_1);
-lean_ctor_set(x_131, 1, x_130);
-return x_131;
-}
-}
-}
-else
-{
-lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_132 = lean_ctor_get(x_1, 0);
-lean_inc(x_132);
-x_133 = lean_ctor_get(x_1, 1);
-lean_inc(x_133);
-x_134 = lean_unsigned_to_nat(0u);
-x_135 = l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3(x_132, x_3, x_134);
-if (lean_obj_tag(x_135) == 0)
-{
-uint8_t x_136; lean_object* x_137; lean_object* x_138; 
-lean_dec(x_133);
-lean_dec(x_132);
-x_136 = 0;
-x_137 = lean_box(x_136);
-x_138 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_138, 0, x_1);
-lean_ctor_set(x_138, 1, x_137);
-return x_138;
-}
-else
-{
-uint8_t x_139; 
-x_139 = !lean_is_exclusive(x_1);
-if (x_139 == 0)
-{
-lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; uint8_t x_145; lean_object* x_146; lean_object* x_147; 
-x_140 = lean_ctor_get(x_1, 1);
-lean_dec(x_140);
-x_141 = lean_ctor_get(x_1, 0);
-lean_dec(x_141);
-x_142 = lean_ctor_get(x_135, 0);
-lean_inc(x_142);
-lean_dec(x_135);
-x_143 = l_Array_eraseIdx_x27___rarg(x_132, x_142);
-x_144 = l_Array_eraseIdx_x27___rarg(x_133, x_142);
-lean_dec(x_142);
-lean_ctor_set(x_1, 1, x_144);
-lean_ctor_set(x_1, 0, x_143);
-x_145 = 1;
-x_146 = lean_box(x_145);
-x_147 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_147, 0, x_1);
-lean_ctor_set(x_147, 1, x_146);
-return x_147;
-}
-else
-{
-lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; uint8_t x_152; lean_object* x_153; lean_object* x_154; 
-lean_dec(x_1);
-x_148 = lean_ctor_get(x_135, 0);
-lean_inc(x_148);
-lean_dec(x_135);
-x_149 = l_Array_eraseIdx_x27___rarg(x_132, x_148);
-x_150 = l_Array_eraseIdx_x27___rarg(x_133, x_148);
-lean_dec(x_148);
-x_151 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_151, 0, x_149);
-lean_ctor_set(x_151, 1, x_150);
-x_152 = 1;
-x_153 = lean_box(x_152);
-x_154 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_154, 0, x_151);
-lean_ctor_set(x_154, 1, x_153);
-return x_154;
-}
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; 
-x_3 = !lean_is_exclusive(x_1);
-if (x_3 == 0)
-{
-lean_object* x_4; lean_object* x_5; uint64_t x_6; size_t x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
-x_4 = lean_ctor_get(x_1, 0);
-x_5 = lean_ctor_get(x_1, 1);
-x_6 = l___private_Lean_Level_0__Lean_hashMVarId____x40_Lean_Level___hyg_475_(x_2);
-x_7 = lean_uint64_to_usize(x_6);
-x_8 = l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(x_4, x_7, x_2);
-x_9 = lean_ctor_get(x_8, 1);
-lean_inc(x_9);
-x_10 = lean_unbox(x_9);
-lean_dec(x_9);
-if (x_10 == 0)
-{
-lean_object* x_11; 
-x_11 = lean_ctor_get(x_8, 0);
-lean_inc(x_11);
-lean_dec(x_8);
-lean_ctor_set(x_1, 0, x_11);
-return x_1;
-}
-else
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_8, 0);
-lean_inc(x_12);
-lean_dec(x_8);
-x_13 = lean_unsigned_to_nat(1u);
-x_14 = lean_nat_sub(x_5, x_13);
-lean_dec(x_5);
-lean_ctor_set(x_1, 1, x_14);
-lean_ctor_set(x_1, 0, x_12);
-return x_1;
-}
-}
-else
-{
-lean_object* x_15; lean_object* x_16; uint64_t x_17; size_t x_18; lean_object* x_19; lean_object* x_20; uint8_t x_21; 
-x_15 = lean_ctor_get(x_1, 0);
-x_16 = lean_ctor_get(x_1, 1);
-lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_1);
-x_17 = l___private_Lean_Level_0__Lean_hashMVarId____x40_Lean_Level___hyg_475_(x_2);
-x_18 = lean_uint64_to_usize(x_17);
-x_19 = l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(x_15, x_18, x_2);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-x_21 = lean_unbox(x_20);
-lean_dec(x_20);
-if (x_21 == 0)
-{
-lean_object* x_22; lean_object* x_23; 
-x_22 = lean_ctor_get(x_19, 0);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_22);
-lean_ctor_set(x_23, 1, x_16);
-return x_23;
-}
-else
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_19, 0);
-lean_inc(x_24);
-lean_dec(x_19);
-x_25 = lean_unsigned_to_nat(1u);
-x_26 = lean_nat_sub(x_16, x_25);
-lean_dec(x_16);
-x_27 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_27, 0, x_24);
-lean_ctor_set(x_27, 1, x_26);
-return x_27;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg___lambda__1(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; 
-x_3 = !lean_is_exclusive(x_2);
-if (x_3 == 0)
-{
-lean_object* x_4; lean_object* x_5; uint8_t x_6; 
-x_4 = lean_ctor_get(x_2, 7);
-x_5 = l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1(x_4, x_1);
-x_6 = 1;
-lean_ctor_set(x_2, 7, x_5);
-lean_ctor_set_uint8(x_2, sizeof(void*)*8, x_6);
-return x_2;
-}
-else
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; 
-x_7 = lean_ctor_get(x_2, 0);
-x_8 = lean_ctor_get(x_2, 1);
-x_9 = lean_ctor_get(x_2, 2);
-x_10 = lean_ctor_get(x_2, 3);
-x_11 = lean_ctor_get(x_2, 4);
-x_12 = lean_ctor_get(x_2, 5);
-x_13 = lean_ctor_get(x_2, 6);
-x_14 = lean_ctor_get(x_2, 7);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_inc(x_10);
-lean_inc(x_9);
-lean_inc(x_8);
-lean_inc(x_7);
-lean_dec(x_2);
-x_15 = l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1(x_14, x_1);
-x_16 = 1;
-x_17 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_17, 0, x_7);
-lean_ctor_set(x_17, 1, x_8);
-lean_ctor_set(x_17, 2, x_9);
-lean_ctor_set(x_17, 3, x_10);
-lean_ctor_set(x_17, 4, x_11);
-lean_ctor_set(x_17, 5, x_12);
-lean_ctor_set(x_17, 6, x_13);
-lean_ctor_set(x_17, 7, x_15);
-lean_ctor_set_uint8(x_17, sizeof(void*)*8, x_16);
-return x_17;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; lean_object* x_4; lean_object* x_5; 
-x_3 = lean_ctor_get(x_1, 1);
-lean_inc(x_3);
-lean_dec(x_1);
-x_4 = lean_alloc_closure((void*)(l_Lean_eraseDelayedMVar___rarg___lambda__1___boxed), 2, 1);
-lean_closure_set(x_4, 0, x_2);
-x_5 = lean_apply_1(x_3, x_4);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_eraseDelayedMVar___rarg), 2, 0);
-return x_2;
-}
-}
-LEAN_EXPORT lean_object* l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_Array_indexOfAux___at_Lean_eraseDelayedMVar___spec__3(x_1, x_2, x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_4;
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-size_t x_4; lean_object* x_5; 
-x_4 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_5 = l_Std_PersistentHashMap_eraseAux___at_Lean_eraseDelayedMVar___spec__2(x_1, x_4, x_3);
-lean_dec(x_3);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Std_PersistentHashMap_erase___at_Lean_eraseDelayedMVar___spec__1(x_1, x_2);
-lean_dec(x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_eraseDelayedMVar___rarg___lambda__1___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-lean_object* x_3; 
-x_3 = l_Lean_eraseDelayedMVar___rarg___lambda__1(x_1, x_2);
-lean_dec(x_1);
-return x_3;
-}
-}
 static lean_object* _init_l_Lean_instantiateLevelMVars___rarg___lambda__1___closed__1() {
 _start:
 {
@@ -13205,45 +12387,46 @@ x_19 = lean_array_get_size(x_16);
 x_20 = lean_nat_dec_lt(x_18, x_19);
 if (x_20 == 0)
 {
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_21 = l_Lean_mkMVar(x_17);
 lean_inc(x_6);
 lean_inc(x_4);
 lean_inc(x_3);
 lean_inc(x_2);
 lean_inc(x_1);
-x_21 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_17, x_6);
+x_22 = l_Lean_instantiateExprMVars___rarg(x_1, x_2, x_3, x_4, x_21, x_6);
 lean_inc(x_9);
-x_22 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6___boxed), 12, 11);
-lean_closure_set(x_22, 0, x_18);
-lean_closure_set(x_22, 1, x_1);
-lean_closure_set(x_22, 2, x_2);
-lean_closure_set(x_22, 3, x_3);
-lean_closure_set(x_22, 4, x_4);
-lean_closure_set(x_22, 5, x_8);
-lean_closure_set(x_22, 6, x_6);
-lean_closure_set(x_22, 7, x_16);
-lean_closure_set(x_22, 8, x_19);
-lean_closure_set(x_22, 9, x_9);
-lean_closure_set(x_22, 10, x_5);
-x_23 = lean_apply_4(x_9, lean_box(0), lean_box(0), x_21, x_22);
-return x_23;
+x_23 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__6___boxed), 12, 11);
+lean_closure_set(x_23, 0, x_18);
+lean_closure_set(x_23, 1, x_1);
+lean_closure_set(x_23, 2, x_2);
+lean_closure_set(x_23, 3, x_3);
+lean_closure_set(x_23, 4, x_4);
+lean_closure_set(x_23, 5, x_8);
+lean_closure_set(x_23, 6, x_6);
+lean_closure_set(x_23, 7, x_16);
+lean_closure_set(x_23, 8, x_19);
+lean_closure_set(x_23, 9, x_9);
+lean_closure_set(x_23, 10, x_5);
+x_24 = lean_apply_4(x_9, lean_box(0), lean_box(0), x_22, x_23);
+return x_24;
 }
 else
 {
-size_t x_24; size_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+size_t x_25; size_t x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
 lean_dec(x_19);
 lean_dec(x_17);
 lean_dec(x_16);
-x_24 = lean_usize_of_nat(x_18);
+x_25 = lean_usize_of_nat(x_18);
 lean_dec(x_18);
-x_25 = 0;
+x_26 = 0;
 lean_inc(x_1);
-x_26 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(x_1, x_2, x_3, x_4, x_24, x_25, x_8, x_6);
-x_27 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
-lean_closure_set(x_27, 0, x_5);
-lean_closure_set(x_27, 1, x_1);
-x_28 = lean_apply_4(x_9, lean_box(0), lean_box(0), x_26, x_27);
-return x_28;
+x_27 = l_Array_mapMUnsafe_map___at_Lean_instantiateExprMVars___spec__29___rarg(x_1, x_2, x_3, x_4, x_25, x_26, x_8, x_6);
+x_28 = lean_alloc_closure((void*)(l_Lean_Expr_withAppAux___at_Lean_instantiateExprMVars___spec__48___rarg___lambda__1), 3, 2);
+lean_closure_set(x_28, 0, x_5);
+lean_closure_set(x_28, 1, x_1);
+x_29 = lean_apply_4(x_9, lean_box(0), lean_box(0), x_27, x_28);
+return x_29;
 }
 }
 }
@@ -22274,248 +21457,249 @@ x_152 = lean_array_get_size(x_149);
 x_153 = lean_nat_dec_lt(x_151, x_152);
 if (x_153 == 0)
 {
-lean_object* x_154; 
-x_154 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_150, x_5, x_6, x_148);
-if (lean_obj_tag(x_154) == 0)
+lean_object* x_154; lean_object* x_155; 
+x_154 = l_Lean_mkMVar(x_150);
+x_155 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_154, x_5, x_6, x_148);
+if (lean_obj_tag(x_155) == 0)
 {
-lean_object* x_155; lean_object* x_156; uint8_t x_157; 
-x_155 = lean_ctor_get(x_154, 0);
-lean_inc(x_155);
-x_156 = lean_ctor_get(x_154, 1);
+lean_object* x_156; lean_object* x_157; uint8_t x_158; 
+x_156 = lean_ctor_get(x_155, 0);
 lean_inc(x_156);
-lean_dec(x_154);
-x_157 = l_Lean_Expr_hasExprMVar(x_155);
-if (x_157 == 0)
-{
-size_t x_158; size_t x_159; lean_object* x_160; 
-lean_dec(x_2);
-x_158 = lean_usize_of_nat(x_151);
-lean_dec(x_151);
-x_159 = 0;
-x_160 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg(x_1, x_158, x_159, x_3, x_5, x_6, x_156);
-lean_dec(x_1);
-if (lean_obj_tag(x_160) == 0)
-{
-uint8_t x_161; 
-x_161 = !lean_is_exclusive(x_160);
-if (x_161 == 0)
-{
-lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; 
-x_162 = lean_ctor_get(x_160, 0);
-x_163 = lean_expr_abstract(x_155, x_149);
-lean_dec(x_149);
+x_157 = lean_ctor_get(x_155, 1);
+lean_inc(x_157);
 lean_dec(x_155);
-x_164 = lean_unsigned_to_nat(0u);
-x_165 = lean_expr_instantiate_rev_range(x_163, x_164, x_152, x_162);
+x_158 = l_Lean_Expr_hasExprMVar(x_156);
+if (x_158 == 0)
+{
+size_t x_159; size_t x_160; lean_object* x_161; 
+lean_dec(x_2);
+x_159 = lean_usize_of_nat(x_151);
+lean_dec(x_151);
+x_160 = 0;
+x_161 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__21___rarg(x_1, x_159, x_160, x_3, x_5, x_6, x_157);
+lean_dec(x_1);
+if (lean_obj_tag(x_161) == 0)
+{
+uint8_t x_162; 
+x_162 = !lean_is_exclusive(x_161);
+if (x_162 == 0)
+{
+lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
+x_163 = lean_ctor_get(x_161, 0);
+x_164 = lean_expr_abstract(x_156, x_149);
+lean_dec(x_149);
+lean_dec(x_156);
+x_165 = lean_unsigned_to_nat(0u);
+x_166 = lean_expr_instantiate_rev_range(x_164, x_165, x_152, x_163);
+lean_dec(x_164);
+x_167 = lean_array_get_size(x_163);
+x_168 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_167, x_163, x_152, x_166);
 lean_dec(x_163);
-x_166 = lean_array_get_size(x_162);
-x_167 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_166, x_162, x_152, x_165);
-lean_dec(x_162);
-lean_dec(x_166);
-lean_ctor_set(x_160, 0, x_167);
-return x_160;
+lean_dec(x_167);
+lean_ctor_set(x_161, 0, x_168);
+return x_161;
 }
 else
 {
-lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; 
-x_168 = lean_ctor_get(x_160, 0);
-x_169 = lean_ctor_get(x_160, 1);
+lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; 
+x_169 = lean_ctor_get(x_161, 0);
+x_170 = lean_ctor_get(x_161, 1);
+lean_inc(x_170);
 lean_inc(x_169);
-lean_inc(x_168);
-lean_dec(x_160);
-x_170 = lean_expr_abstract(x_155, x_149);
+lean_dec(x_161);
+x_171 = lean_expr_abstract(x_156, x_149);
 lean_dec(x_149);
-lean_dec(x_155);
-x_171 = lean_unsigned_to_nat(0u);
-x_172 = lean_expr_instantiate_rev_range(x_170, x_171, x_152, x_168);
-lean_dec(x_170);
-x_173 = lean_array_get_size(x_168);
-x_174 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_173, x_168, x_152, x_172);
-lean_dec(x_168);
-lean_dec(x_173);
-x_175 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_175, 0, x_174);
-lean_ctor_set(x_175, 1, x_169);
-return x_175;
+lean_dec(x_156);
+x_172 = lean_unsigned_to_nat(0u);
+x_173 = lean_expr_instantiate_rev_range(x_171, x_172, x_152, x_169);
+lean_dec(x_171);
+x_174 = lean_array_get_size(x_169);
+x_175 = l___private_Lean_Expr_0__Lean_mkAppRangeAux(x_174, x_169, x_152, x_173);
+lean_dec(x_169);
+lean_dec(x_174);
+x_176 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_176, 0, x_175);
+lean_ctor_set(x_176, 1, x_170);
+return x_176;
 }
 }
 else
 {
-uint8_t x_176; 
-lean_dec(x_155);
+uint8_t x_177; 
+lean_dec(x_156);
 lean_dec(x_152);
 lean_dec(x_149);
-x_176 = !lean_is_exclusive(x_160);
-if (x_176 == 0)
+x_177 = !lean_is_exclusive(x_161);
+if (x_177 == 0)
 {
-return x_160;
+return x_161;
 }
 else
 {
-lean_object* x_177; lean_object* x_178; lean_object* x_179; 
-x_177 = lean_ctor_get(x_160, 0);
-x_178 = lean_ctor_get(x_160, 1);
+lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+x_178 = lean_ctor_get(x_161, 0);
+x_179 = lean_ctor_get(x_161, 1);
+lean_inc(x_179);
 lean_inc(x_178);
-lean_inc(x_177);
-lean_dec(x_160);
-x_179 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_179, 0, x_177);
-lean_ctor_set(x_179, 1, x_178);
-return x_179;
+lean_dec(x_161);
+x_180 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_180, 0, x_178);
+lean_ctor_set(x_180, 1, x_179);
+return x_180;
 }
 }
 }
 else
 {
-size_t x_180; size_t x_181; lean_object* x_182; 
-lean_dec(x_155);
+size_t x_181; size_t x_182; lean_object* x_183; 
+lean_dec(x_156);
 lean_dec(x_152);
 lean_dec(x_149);
-x_180 = lean_usize_of_nat(x_151);
+x_181 = lean_usize_of_nat(x_151);
 lean_dec(x_151);
-x_181 = 0;
-x_182 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg(x_1, x_180, x_181, x_3, x_5, x_6, x_156);
+x_182 = 0;
+x_183 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__22___rarg(x_1, x_181, x_182, x_3, x_5, x_6, x_157);
 lean_dec(x_1);
-if (lean_obj_tag(x_182) == 0)
+if (lean_obj_tag(x_183) == 0)
 {
-uint8_t x_183; 
-x_183 = !lean_is_exclusive(x_182);
-if (x_183 == 0)
+uint8_t x_184; 
+x_184 = !lean_is_exclusive(x_183);
+if (x_184 == 0)
 {
-lean_object* x_184; lean_object* x_185; 
-x_184 = lean_ctor_get(x_182, 0);
-x_185 = l_Lean_mkAppN(x_2, x_184);
-lean_ctor_set(x_182, 0, x_185);
-return x_182;
+lean_object* x_185; lean_object* x_186; 
+x_185 = lean_ctor_get(x_183, 0);
+x_186 = l_Lean_mkAppN(x_2, x_185);
+lean_ctor_set(x_183, 0, x_186);
+return x_183;
 }
 else
 {
-lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
-x_186 = lean_ctor_get(x_182, 0);
-x_187 = lean_ctor_get(x_182, 1);
+lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; 
+x_187 = lean_ctor_get(x_183, 0);
+x_188 = lean_ctor_get(x_183, 1);
+lean_inc(x_188);
 lean_inc(x_187);
-lean_inc(x_186);
-lean_dec(x_182);
-x_188 = l_Lean_mkAppN(x_2, x_186);
-x_189 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_189, 0, x_188);
-lean_ctor_set(x_189, 1, x_187);
-return x_189;
+lean_dec(x_183);
+x_189 = l_Lean_mkAppN(x_2, x_187);
+x_190 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_190, 0, x_189);
+lean_ctor_set(x_190, 1, x_188);
+return x_190;
 }
 }
 else
 {
-uint8_t x_190; 
+uint8_t x_191; 
 lean_dec(x_2);
-x_190 = !lean_is_exclusive(x_182);
-if (x_190 == 0)
+x_191 = !lean_is_exclusive(x_183);
+if (x_191 == 0)
 {
-return x_182;
+return x_183;
 }
 else
 {
-lean_object* x_191; lean_object* x_192; lean_object* x_193; 
-x_191 = lean_ctor_get(x_182, 0);
-x_192 = lean_ctor_get(x_182, 1);
+lean_object* x_192; lean_object* x_193; lean_object* x_194; 
+x_192 = lean_ctor_get(x_183, 0);
+x_193 = lean_ctor_get(x_183, 1);
+lean_inc(x_193);
 lean_inc(x_192);
-lean_inc(x_191);
-lean_dec(x_182);
-x_193 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_193, 0, x_191);
-lean_ctor_set(x_193, 1, x_192);
-return x_193;
+lean_dec(x_183);
+x_194 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_194, 0, x_192);
+lean_ctor_set(x_194, 1, x_193);
+return x_194;
 }
 }
 }
 }
 else
 {
-uint8_t x_194; 
+uint8_t x_195; 
 lean_dec(x_152);
 lean_dec(x_151);
 lean_dec(x_149);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_194 = !lean_is_exclusive(x_154);
-if (x_194 == 0)
+x_195 = !lean_is_exclusive(x_155);
+if (x_195 == 0)
 {
-return x_154;
+return x_155;
 }
 else
 {
-lean_object* x_195; lean_object* x_196; lean_object* x_197; 
-x_195 = lean_ctor_get(x_154, 0);
-x_196 = lean_ctor_get(x_154, 1);
+lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+x_196 = lean_ctor_get(x_155, 0);
+x_197 = lean_ctor_get(x_155, 1);
+lean_inc(x_197);
 lean_inc(x_196);
-lean_inc(x_195);
-lean_dec(x_154);
-x_197 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_197, 0, x_195);
-lean_ctor_set(x_197, 1, x_196);
-return x_197;
+lean_dec(x_155);
+x_198 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_198, 0, x_196);
+lean_ctor_set(x_198, 1, x_197);
+return x_198;
 }
 }
 }
 else
 {
-size_t x_198; size_t x_199; lean_object* x_200; 
+size_t x_199; size_t x_200; lean_object* x_201; 
 lean_dec(x_152);
 lean_dec(x_150);
 lean_dec(x_149);
-x_198 = lean_usize_of_nat(x_151);
+x_199 = lean_usize_of_nat(x_151);
 lean_dec(x_151);
-x_199 = 0;
-x_200 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg(x_1, x_198, x_199, x_3, x_5, x_6, x_148);
+x_200 = 0;
+x_201 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__23___rarg(x_1, x_199, x_200, x_3, x_5, x_6, x_148);
 lean_dec(x_1);
-if (lean_obj_tag(x_200) == 0)
+if (lean_obj_tag(x_201) == 0)
 {
-uint8_t x_201; 
-x_201 = !lean_is_exclusive(x_200);
-if (x_201 == 0)
+uint8_t x_202; 
+x_202 = !lean_is_exclusive(x_201);
+if (x_202 == 0)
 {
-lean_object* x_202; lean_object* x_203; 
-x_202 = lean_ctor_get(x_200, 0);
-x_203 = l_Lean_mkAppN(x_2, x_202);
-lean_ctor_set(x_200, 0, x_203);
-return x_200;
+lean_object* x_203; lean_object* x_204; 
+x_203 = lean_ctor_get(x_201, 0);
+x_204 = l_Lean_mkAppN(x_2, x_203);
+lean_ctor_set(x_201, 0, x_204);
+return x_201;
 }
 else
 {
-lean_object* x_204; lean_object* x_205; lean_object* x_206; lean_object* x_207; 
-x_204 = lean_ctor_get(x_200, 0);
-x_205 = lean_ctor_get(x_200, 1);
+lean_object* x_205; lean_object* x_206; lean_object* x_207; lean_object* x_208; 
+x_205 = lean_ctor_get(x_201, 0);
+x_206 = lean_ctor_get(x_201, 1);
+lean_inc(x_206);
 lean_inc(x_205);
-lean_inc(x_204);
-lean_dec(x_200);
-x_206 = l_Lean_mkAppN(x_2, x_204);
-x_207 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_207, 0, x_206);
-lean_ctor_set(x_207, 1, x_205);
-return x_207;
+lean_dec(x_201);
+x_207 = l_Lean_mkAppN(x_2, x_205);
+x_208 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_208, 0, x_207);
+lean_ctor_set(x_208, 1, x_206);
+return x_208;
 }
 }
 else
 {
-uint8_t x_208; 
+uint8_t x_209; 
 lean_dec(x_2);
-x_208 = !lean_is_exclusive(x_200);
-if (x_208 == 0)
+x_209 = !lean_is_exclusive(x_201);
+if (x_209 == 0)
 {
-return x_200;
+return x_201;
 }
 else
 {
-lean_object* x_209; lean_object* x_210; lean_object* x_211; 
-x_209 = lean_ctor_get(x_200, 0);
-x_210 = lean_ctor_get(x_200, 1);
+lean_object* x_210; lean_object* x_211; lean_object* x_212; 
+x_210 = lean_ctor_get(x_201, 0);
+x_211 = lean_ctor_get(x_201, 1);
+lean_inc(x_211);
 lean_inc(x_210);
-lean_inc(x_209);
-lean_dec(x_200);
-x_211 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_211, 0, x_209);
-lean_ctor_set(x_211, 1, x_210);
-return x_211;
+lean_dec(x_201);
+x_212 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_212, 0, x_210);
+lean_ctor_set(x_212, 1, x_211);
+return x_212;
 }
 }
 }
@@ -22523,1484 +21707,1484 @@ return x_211;
 }
 else
 {
-uint8_t x_212; 
+uint8_t x_213; 
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_212 = !lean_is_exclusive(x_100);
-if (x_212 == 0)
+x_213 = !lean_is_exclusive(x_100);
+if (x_213 == 0)
 {
 return x_100;
 }
 else
 {
-lean_object* x_213; lean_object* x_214; lean_object* x_215; 
-x_213 = lean_ctor_get(x_100, 0);
-x_214 = lean_ctor_get(x_100, 1);
+lean_object* x_214; lean_object* x_215; lean_object* x_216; 
+x_214 = lean_ctor_get(x_100, 0);
+x_215 = lean_ctor_get(x_100, 1);
+lean_inc(x_215);
 lean_inc(x_214);
-lean_inc(x_213);
 lean_dec(x_100);
-x_215 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_215, 0, x_213);
-lean_ctor_set(x_215, 1, x_214);
-return x_215;
+x_216 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_216, 0, x_214);
+lean_ctor_set(x_216, 1, x_215);
+return x_216;
 }
 }
 }
 case 3:
 {
-uint8_t x_216; lean_object* x_217; 
+uint8_t x_217; lean_object* x_218; 
 lean_dec(x_4);
-x_216 = l_Lean_Expr_isMVar(x_2);
-x_217 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_217) == 0)
+x_217 = l_Lean_Expr_isMVar(x_2);
+x_218 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_218) == 0)
 {
-if (x_216 == 0)
+if (x_217 == 0)
 {
-lean_object* x_218; lean_object* x_219; lean_object* x_220; size_t x_221; size_t x_222; lean_object* x_223; 
-x_218 = lean_ctor_get(x_217, 0);
-lean_inc(x_218);
-x_219 = lean_ctor_get(x_217, 1);
+lean_object* x_219; lean_object* x_220; lean_object* x_221; size_t x_222; size_t x_223; lean_object* x_224; 
+x_219 = lean_ctor_get(x_218, 0);
 lean_inc(x_219);
-lean_dec(x_217);
-x_220 = lean_array_get_size(x_3);
-x_221 = lean_usize_of_nat(x_220);
-lean_dec(x_220);
-x_222 = 0;
-x_223 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24___rarg(x_1, x_221, x_222, x_3, x_5, x_6, x_219);
-lean_dec(x_1);
-if (lean_obj_tag(x_223) == 0)
-{
-uint8_t x_224; 
-x_224 = !lean_is_exclusive(x_223);
-if (x_224 == 0)
-{
-lean_object* x_225; lean_object* x_226; 
-x_225 = lean_ctor_get(x_223, 0);
-x_226 = l_Lean_mkAppN(x_218, x_225);
-lean_ctor_set(x_223, 0, x_226);
-return x_223;
-}
-else
-{
-lean_object* x_227; lean_object* x_228; lean_object* x_229; lean_object* x_230; 
-x_227 = lean_ctor_get(x_223, 0);
-x_228 = lean_ctor_get(x_223, 1);
-lean_inc(x_228);
-lean_inc(x_227);
-lean_dec(x_223);
-x_229 = l_Lean_mkAppN(x_218, x_227);
-x_230 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_230, 0, x_229);
-lean_ctor_set(x_230, 1, x_228);
-return x_230;
-}
-}
-else
-{
-uint8_t x_231; 
+x_220 = lean_ctor_get(x_218, 1);
+lean_inc(x_220);
 lean_dec(x_218);
-x_231 = !lean_is_exclusive(x_223);
-if (x_231 == 0)
+x_221 = lean_array_get_size(x_3);
+x_222 = lean_usize_of_nat(x_221);
+lean_dec(x_221);
+x_223 = 0;
+x_224 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__24___rarg(x_1, x_222, x_223, x_3, x_5, x_6, x_220);
+lean_dec(x_1);
+if (lean_obj_tag(x_224) == 0)
 {
-return x_223;
+uint8_t x_225; 
+x_225 = !lean_is_exclusive(x_224);
+if (x_225 == 0)
+{
+lean_object* x_226; lean_object* x_227; 
+x_226 = lean_ctor_get(x_224, 0);
+x_227 = l_Lean_mkAppN(x_219, x_226);
+lean_ctor_set(x_224, 0, x_227);
+return x_224;
 }
 else
 {
-lean_object* x_232; lean_object* x_233; lean_object* x_234; 
-x_232 = lean_ctor_get(x_223, 0);
-x_233 = lean_ctor_get(x_223, 1);
+lean_object* x_228; lean_object* x_229; lean_object* x_230; lean_object* x_231; 
+x_228 = lean_ctor_get(x_224, 0);
+x_229 = lean_ctor_get(x_224, 1);
+lean_inc(x_229);
+lean_inc(x_228);
+lean_dec(x_224);
+x_230 = l_Lean_mkAppN(x_219, x_228);
+x_231 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_231, 0, x_230);
+lean_ctor_set(x_231, 1, x_229);
+return x_231;
+}
+}
+else
+{
+uint8_t x_232; 
+lean_dec(x_219);
+x_232 = !lean_is_exclusive(x_224);
+if (x_232 == 0)
+{
+return x_224;
+}
+else
+{
+lean_object* x_233; lean_object* x_234; lean_object* x_235; 
+x_233 = lean_ctor_get(x_224, 0);
+x_234 = lean_ctor_get(x_224, 1);
+lean_inc(x_234);
 lean_inc(x_233);
-lean_inc(x_232);
-lean_dec(x_223);
-x_234 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_234, 0, x_232);
-lean_ctor_set(x_234, 1, x_233);
-return x_234;
+lean_dec(x_224);
+x_235 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_235, 0, x_233);
+lean_ctor_set(x_235, 1, x_234);
+return x_235;
 }
 }
 }
 else
 {
-lean_object* x_235; lean_object* x_236; uint8_t x_237; 
-x_235 = lean_ctor_get(x_217, 0);
-lean_inc(x_235);
-x_236 = lean_ctor_get(x_217, 1);
+lean_object* x_236; lean_object* x_237; uint8_t x_238; 
+x_236 = lean_ctor_get(x_218, 0);
 lean_inc(x_236);
-lean_dec(x_217);
-x_237 = l_Lean_Expr_isLambda(x_235);
-if (x_237 == 0)
+x_237 = lean_ctor_get(x_218, 1);
+lean_inc(x_237);
+lean_dec(x_218);
+x_238 = l_Lean_Expr_isLambda(x_236);
+if (x_238 == 0)
 {
-lean_object* x_238; size_t x_239; size_t x_240; lean_object* x_241; 
-x_238 = lean_array_get_size(x_3);
-x_239 = lean_usize_of_nat(x_238);
-lean_dec(x_238);
-x_240 = 0;
-x_241 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg(x_1, x_239, x_240, x_3, x_5, x_6, x_236);
+lean_object* x_239; size_t x_240; size_t x_241; lean_object* x_242; 
+x_239 = lean_array_get_size(x_3);
+x_240 = lean_usize_of_nat(x_239);
+lean_dec(x_239);
+x_241 = 0;
+x_242 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__25___rarg(x_1, x_240, x_241, x_3, x_5, x_6, x_237);
 lean_dec(x_1);
-if (lean_obj_tag(x_241) == 0)
+if (lean_obj_tag(x_242) == 0)
 {
-uint8_t x_242; 
-x_242 = !lean_is_exclusive(x_241);
-if (x_242 == 0)
+uint8_t x_243; 
+x_243 = !lean_is_exclusive(x_242);
+if (x_243 == 0)
 {
-lean_object* x_243; lean_object* x_244; 
-x_243 = lean_ctor_get(x_241, 0);
-x_244 = l_Lean_mkAppN(x_235, x_243);
-lean_ctor_set(x_241, 0, x_244);
-return x_241;
+lean_object* x_244; lean_object* x_245; 
+x_244 = lean_ctor_get(x_242, 0);
+x_245 = l_Lean_mkAppN(x_236, x_244);
+lean_ctor_set(x_242, 0, x_245);
+return x_242;
 }
 else
 {
-lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; 
-x_245 = lean_ctor_get(x_241, 0);
-x_246 = lean_ctor_get(x_241, 1);
+lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; 
+x_246 = lean_ctor_get(x_242, 0);
+x_247 = lean_ctor_get(x_242, 1);
+lean_inc(x_247);
 lean_inc(x_246);
-lean_inc(x_245);
-lean_dec(x_241);
-x_247 = l_Lean_mkAppN(x_235, x_245);
-x_248 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_248, 0, x_247);
-lean_ctor_set(x_248, 1, x_246);
-return x_248;
+lean_dec(x_242);
+x_248 = l_Lean_mkAppN(x_236, x_246);
+x_249 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_249, 0, x_248);
+lean_ctor_set(x_249, 1, x_247);
+return x_249;
 }
 }
 else
 {
-uint8_t x_249; 
-lean_dec(x_235);
-x_249 = !lean_is_exclusive(x_241);
-if (x_249 == 0)
+uint8_t x_250; 
+lean_dec(x_236);
+x_250 = !lean_is_exclusive(x_242);
+if (x_250 == 0)
 {
-return x_241;
+return x_242;
 }
 else
 {
-lean_object* x_250; lean_object* x_251; lean_object* x_252; 
-x_250 = lean_ctor_get(x_241, 0);
-x_251 = lean_ctor_get(x_241, 1);
+lean_object* x_251; lean_object* x_252; lean_object* x_253; 
+x_251 = lean_ctor_get(x_242, 0);
+x_252 = lean_ctor_get(x_242, 1);
+lean_inc(x_252);
 lean_inc(x_251);
-lean_inc(x_250);
-lean_dec(x_241);
-x_252 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_252, 0, x_250);
-lean_ctor_set(x_252, 1, x_251);
-return x_252;
+lean_dec(x_242);
+x_253 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_253, 0, x_251);
+lean_ctor_set(x_253, 1, x_252);
+return x_253;
 }
 }
 }
 else
 {
-lean_object* x_253; uint8_t x_254; lean_object* x_255; lean_object* x_256; 
+lean_object* x_254; uint8_t x_255; lean_object* x_256; lean_object* x_257; 
 lean_dec(x_1);
-x_253 = l_Array_reverse___rarg(x_3);
-x_254 = 0;
-x_255 = l_Lean_Expr_betaRev(x_235, x_253, x_254, x_254);
-lean_dec(x_253);
-x_256 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_255, x_5, x_6, x_236);
-return x_256;
+x_254 = l_Array_reverse___rarg(x_3);
+x_255 = 0;
+x_256 = l_Lean_Expr_betaRev(x_236, x_254, x_255, x_255);
+lean_dec(x_254);
+x_257 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_256, x_5, x_6, x_237);
+return x_257;
 }
 }
 }
 else
 {
-uint8_t x_257; 
+uint8_t x_258; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_257 = !lean_is_exclusive(x_217);
-if (x_257 == 0)
+x_258 = !lean_is_exclusive(x_218);
+if (x_258 == 0)
 {
-return x_217;
+return x_218;
 }
 else
 {
-lean_object* x_258; lean_object* x_259; lean_object* x_260; 
-x_258 = lean_ctor_get(x_217, 0);
-x_259 = lean_ctor_get(x_217, 1);
+lean_object* x_259; lean_object* x_260; lean_object* x_261; 
+x_259 = lean_ctor_get(x_218, 0);
+x_260 = lean_ctor_get(x_218, 1);
+lean_inc(x_260);
 lean_inc(x_259);
-lean_inc(x_258);
-lean_dec(x_217);
-x_260 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_260, 0, x_258);
-lean_ctor_set(x_260, 1, x_259);
-return x_260;
+lean_dec(x_218);
+x_261 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_261, 0, x_259);
+lean_ctor_set(x_261, 1, x_260);
+return x_261;
 }
 }
 }
 case 4:
 {
-uint8_t x_261; lean_object* x_262; 
+uint8_t x_262; lean_object* x_263; 
 lean_dec(x_4);
-x_261 = l_Lean_Expr_isMVar(x_2);
-x_262 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_262) == 0)
+x_262 = l_Lean_Expr_isMVar(x_2);
+x_263 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_263) == 0)
 {
-if (x_261 == 0)
+if (x_262 == 0)
 {
-lean_object* x_263; lean_object* x_264; lean_object* x_265; size_t x_266; size_t x_267; lean_object* x_268; 
-x_263 = lean_ctor_get(x_262, 0);
-lean_inc(x_263);
-x_264 = lean_ctor_get(x_262, 1);
+lean_object* x_264; lean_object* x_265; lean_object* x_266; size_t x_267; size_t x_268; lean_object* x_269; 
+x_264 = lean_ctor_get(x_263, 0);
 lean_inc(x_264);
-lean_dec(x_262);
-x_265 = lean_array_get_size(x_3);
-x_266 = lean_usize_of_nat(x_265);
-lean_dec(x_265);
-x_267 = 0;
-x_268 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26___rarg(x_1, x_266, x_267, x_3, x_5, x_6, x_264);
-lean_dec(x_1);
-if (lean_obj_tag(x_268) == 0)
-{
-uint8_t x_269; 
-x_269 = !lean_is_exclusive(x_268);
-if (x_269 == 0)
-{
-lean_object* x_270; lean_object* x_271; 
-x_270 = lean_ctor_get(x_268, 0);
-x_271 = l_Lean_mkAppN(x_263, x_270);
-lean_ctor_set(x_268, 0, x_271);
-return x_268;
-}
-else
-{
-lean_object* x_272; lean_object* x_273; lean_object* x_274; lean_object* x_275; 
-x_272 = lean_ctor_get(x_268, 0);
-x_273 = lean_ctor_get(x_268, 1);
-lean_inc(x_273);
-lean_inc(x_272);
-lean_dec(x_268);
-x_274 = l_Lean_mkAppN(x_263, x_272);
-x_275 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_275, 0, x_274);
-lean_ctor_set(x_275, 1, x_273);
-return x_275;
-}
-}
-else
-{
-uint8_t x_276; 
+x_265 = lean_ctor_get(x_263, 1);
+lean_inc(x_265);
 lean_dec(x_263);
-x_276 = !lean_is_exclusive(x_268);
-if (x_276 == 0)
+x_266 = lean_array_get_size(x_3);
+x_267 = lean_usize_of_nat(x_266);
+lean_dec(x_266);
+x_268 = 0;
+x_269 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__26___rarg(x_1, x_267, x_268, x_3, x_5, x_6, x_265);
+lean_dec(x_1);
+if (lean_obj_tag(x_269) == 0)
 {
-return x_268;
+uint8_t x_270; 
+x_270 = !lean_is_exclusive(x_269);
+if (x_270 == 0)
+{
+lean_object* x_271; lean_object* x_272; 
+x_271 = lean_ctor_get(x_269, 0);
+x_272 = l_Lean_mkAppN(x_264, x_271);
+lean_ctor_set(x_269, 0, x_272);
+return x_269;
 }
 else
 {
-lean_object* x_277; lean_object* x_278; lean_object* x_279; 
-x_277 = lean_ctor_get(x_268, 0);
-x_278 = lean_ctor_get(x_268, 1);
+lean_object* x_273; lean_object* x_274; lean_object* x_275; lean_object* x_276; 
+x_273 = lean_ctor_get(x_269, 0);
+x_274 = lean_ctor_get(x_269, 1);
+lean_inc(x_274);
+lean_inc(x_273);
+lean_dec(x_269);
+x_275 = l_Lean_mkAppN(x_264, x_273);
+x_276 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_276, 0, x_275);
+lean_ctor_set(x_276, 1, x_274);
+return x_276;
+}
+}
+else
+{
+uint8_t x_277; 
+lean_dec(x_264);
+x_277 = !lean_is_exclusive(x_269);
+if (x_277 == 0)
+{
+return x_269;
+}
+else
+{
+lean_object* x_278; lean_object* x_279; lean_object* x_280; 
+x_278 = lean_ctor_get(x_269, 0);
+x_279 = lean_ctor_get(x_269, 1);
+lean_inc(x_279);
 lean_inc(x_278);
-lean_inc(x_277);
-lean_dec(x_268);
-x_279 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_279, 0, x_277);
-lean_ctor_set(x_279, 1, x_278);
-return x_279;
+lean_dec(x_269);
+x_280 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_280, 0, x_278);
+lean_ctor_set(x_280, 1, x_279);
+return x_280;
 }
 }
 }
 else
 {
-lean_object* x_280; lean_object* x_281; uint8_t x_282; 
-x_280 = lean_ctor_get(x_262, 0);
-lean_inc(x_280);
-x_281 = lean_ctor_get(x_262, 1);
+lean_object* x_281; lean_object* x_282; uint8_t x_283; 
+x_281 = lean_ctor_get(x_263, 0);
 lean_inc(x_281);
-lean_dec(x_262);
-x_282 = l_Lean_Expr_isLambda(x_280);
-if (x_282 == 0)
+x_282 = lean_ctor_get(x_263, 1);
+lean_inc(x_282);
+lean_dec(x_263);
+x_283 = l_Lean_Expr_isLambda(x_281);
+if (x_283 == 0)
 {
-lean_object* x_283; size_t x_284; size_t x_285; lean_object* x_286; 
-x_283 = lean_array_get_size(x_3);
-x_284 = lean_usize_of_nat(x_283);
-lean_dec(x_283);
-x_285 = 0;
-x_286 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg(x_1, x_284, x_285, x_3, x_5, x_6, x_281);
+lean_object* x_284; size_t x_285; size_t x_286; lean_object* x_287; 
+x_284 = lean_array_get_size(x_3);
+x_285 = lean_usize_of_nat(x_284);
+lean_dec(x_284);
+x_286 = 0;
+x_287 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__27___rarg(x_1, x_285, x_286, x_3, x_5, x_6, x_282);
 lean_dec(x_1);
-if (lean_obj_tag(x_286) == 0)
+if (lean_obj_tag(x_287) == 0)
 {
-uint8_t x_287; 
-x_287 = !lean_is_exclusive(x_286);
-if (x_287 == 0)
+uint8_t x_288; 
+x_288 = !lean_is_exclusive(x_287);
+if (x_288 == 0)
 {
-lean_object* x_288; lean_object* x_289; 
-x_288 = lean_ctor_get(x_286, 0);
-x_289 = l_Lean_mkAppN(x_280, x_288);
-lean_ctor_set(x_286, 0, x_289);
-return x_286;
+lean_object* x_289; lean_object* x_290; 
+x_289 = lean_ctor_get(x_287, 0);
+x_290 = l_Lean_mkAppN(x_281, x_289);
+lean_ctor_set(x_287, 0, x_290);
+return x_287;
 }
 else
 {
-lean_object* x_290; lean_object* x_291; lean_object* x_292; lean_object* x_293; 
-x_290 = lean_ctor_get(x_286, 0);
-x_291 = lean_ctor_get(x_286, 1);
+lean_object* x_291; lean_object* x_292; lean_object* x_293; lean_object* x_294; 
+x_291 = lean_ctor_get(x_287, 0);
+x_292 = lean_ctor_get(x_287, 1);
+lean_inc(x_292);
 lean_inc(x_291);
-lean_inc(x_290);
-lean_dec(x_286);
-x_292 = l_Lean_mkAppN(x_280, x_290);
-x_293 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_293, 0, x_292);
-lean_ctor_set(x_293, 1, x_291);
-return x_293;
+lean_dec(x_287);
+x_293 = l_Lean_mkAppN(x_281, x_291);
+x_294 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_294, 0, x_293);
+lean_ctor_set(x_294, 1, x_292);
+return x_294;
 }
 }
 else
 {
-uint8_t x_294; 
-lean_dec(x_280);
-x_294 = !lean_is_exclusive(x_286);
-if (x_294 == 0)
+uint8_t x_295; 
+lean_dec(x_281);
+x_295 = !lean_is_exclusive(x_287);
+if (x_295 == 0)
 {
-return x_286;
+return x_287;
 }
 else
 {
-lean_object* x_295; lean_object* x_296; lean_object* x_297; 
-x_295 = lean_ctor_get(x_286, 0);
-x_296 = lean_ctor_get(x_286, 1);
+lean_object* x_296; lean_object* x_297; lean_object* x_298; 
+x_296 = lean_ctor_get(x_287, 0);
+x_297 = lean_ctor_get(x_287, 1);
+lean_inc(x_297);
 lean_inc(x_296);
-lean_inc(x_295);
-lean_dec(x_286);
-x_297 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_297, 0, x_295);
-lean_ctor_set(x_297, 1, x_296);
-return x_297;
+lean_dec(x_287);
+x_298 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_298, 0, x_296);
+lean_ctor_set(x_298, 1, x_297);
+return x_298;
 }
 }
 }
 else
 {
-lean_object* x_298; uint8_t x_299; lean_object* x_300; lean_object* x_301; 
+lean_object* x_299; uint8_t x_300; lean_object* x_301; lean_object* x_302; 
 lean_dec(x_1);
-x_298 = l_Array_reverse___rarg(x_3);
-x_299 = 0;
-x_300 = l_Lean_Expr_betaRev(x_280, x_298, x_299, x_299);
-lean_dec(x_298);
-x_301 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_300, x_5, x_6, x_281);
-return x_301;
+x_299 = l_Array_reverse___rarg(x_3);
+x_300 = 0;
+x_301 = l_Lean_Expr_betaRev(x_281, x_299, x_300, x_300);
+lean_dec(x_299);
+x_302 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_301, x_5, x_6, x_282);
+return x_302;
 }
 }
 }
 else
 {
-uint8_t x_302; 
+uint8_t x_303; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_302 = !lean_is_exclusive(x_262);
-if (x_302 == 0)
+x_303 = !lean_is_exclusive(x_263);
+if (x_303 == 0)
 {
-return x_262;
+return x_263;
 }
 else
 {
-lean_object* x_303; lean_object* x_304; lean_object* x_305; 
-x_303 = lean_ctor_get(x_262, 0);
-x_304 = lean_ctor_get(x_262, 1);
+lean_object* x_304; lean_object* x_305; lean_object* x_306; 
+x_304 = lean_ctor_get(x_263, 0);
+x_305 = lean_ctor_get(x_263, 1);
+lean_inc(x_305);
 lean_inc(x_304);
-lean_inc(x_303);
-lean_dec(x_262);
-x_305 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_305, 0, x_303);
-lean_ctor_set(x_305, 1, x_304);
-return x_305;
+lean_dec(x_263);
+x_306 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_306, 0, x_304);
+lean_ctor_set(x_306, 1, x_305);
+return x_306;
 }
 }
 }
 case 5:
 {
-lean_object* x_306; lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; 
-x_306 = lean_ctor_get(x_2, 0);
-lean_inc(x_306);
-x_307 = lean_ctor_get(x_2, 1);
+lean_object* x_307; lean_object* x_308; lean_object* x_309; lean_object* x_310; lean_object* x_311; 
+x_307 = lean_ctor_get(x_2, 0);
 lean_inc(x_307);
+x_308 = lean_ctor_get(x_2, 1);
+lean_inc(x_308);
 lean_dec(x_2);
-x_308 = lean_array_set(x_3, x_4, x_307);
-x_309 = lean_unsigned_to_nat(1u);
-x_310 = lean_nat_sub(x_4, x_309);
+x_309 = lean_array_set(x_3, x_4, x_308);
+x_310 = lean_unsigned_to_nat(1u);
+x_311 = lean_nat_sub(x_4, x_310);
 lean_dec(x_4);
-x_2 = x_306;
-x_3 = x_308;
-x_4 = x_310;
+x_2 = x_307;
+x_3 = x_309;
+x_4 = x_311;
 goto _start;
 }
 case 6:
 {
-uint8_t x_312; lean_object* x_313; 
+uint8_t x_313; lean_object* x_314; 
 lean_dec(x_4);
-x_312 = l_Lean_Expr_isMVar(x_2);
-x_313 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_313) == 0)
+x_313 = l_Lean_Expr_isMVar(x_2);
+x_314 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_314) == 0)
 {
-if (x_312 == 0)
+if (x_313 == 0)
 {
-lean_object* x_314; lean_object* x_315; lean_object* x_316; size_t x_317; size_t x_318; lean_object* x_319; 
-x_314 = lean_ctor_get(x_313, 0);
-lean_inc(x_314);
-x_315 = lean_ctor_get(x_313, 1);
+lean_object* x_315; lean_object* x_316; lean_object* x_317; size_t x_318; size_t x_319; lean_object* x_320; 
+x_315 = lean_ctor_get(x_314, 0);
 lean_inc(x_315);
-lean_dec(x_313);
-x_316 = lean_array_get_size(x_3);
-x_317 = lean_usize_of_nat(x_316);
-lean_dec(x_316);
-x_318 = 0;
-x_319 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30___rarg(x_1, x_317, x_318, x_3, x_5, x_6, x_315);
-lean_dec(x_1);
-if (lean_obj_tag(x_319) == 0)
-{
-uint8_t x_320; 
-x_320 = !lean_is_exclusive(x_319);
-if (x_320 == 0)
-{
-lean_object* x_321; lean_object* x_322; 
-x_321 = lean_ctor_get(x_319, 0);
-x_322 = l_Lean_mkAppN(x_314, x_321);
-lean_ctor_set(x_319, 0, x_322);
-return x_319;
-}
-else
-{
-lean_object* x_323; lean_object* x_324; lean_object* x_325; lean_object* x_326; 
-x_323 = lean_ctor_get(x_319, 0);
-x_324 = lean_ctor_get(x_319, 1);
-lean_inc(x_324);
-lean_inc(x_323);
-lean_dec(x_319);
-x_325 = l_Lean_mkAppN(x_314, x_323);
-x_326 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_326, 0, x_325);
-lean_ctor_set(x_326, 1, x_324);
-return x_326;
-}
-}
-else
-{
-uint8_t x_327; 
+x_316 = lean_ctor_get(x_314, 1);
+lean_inc(x_316);
 lean_dec(x_314);
-x_327 = !lean_is_exclusive(x_319);
-if (x_327 == 0)
+x_317 = lean_array_get_size(x_3);
+x_318 = lean_usize_of_nat(x_317);
+lean_dec(x_317);
+x_319 = 0;
+x_320 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__30___rarg(x_1, x_318, x_319, x_3, x_5, x_6, x_316);
+lean_dec(x_1);
+if (lean_obj_tag(x_320) == 0)
 {
-return x_319;
+uint8_t x_321; 
+x_321 = !lean_is_exclusive(x_320);
+if (x_321 == 0)
+{
+lean_object* x_322; lean_object* x_323; 
+x_322 = lean_ctor_get(x_320, 0);
+x_323 = l_Lean_mkAppN(x_315, x_322);
+lean_ctor_set(x_320, 0, x_323);
+return x_320;
 }
 else
 {
-lean_object* x_328; lean_object* x_329; lean_object* x_330; 
-x_328 = lean_ctor_get(x_319, 0);
-x_329 = lean_ctor_get(x_319, 1);
+lean_object* x_324; lean_object* x_325; lean_object* x_326; lean_object* x_327; 
+x_324 = lean_ctor_get(x_320, 0);
+x_325 = lean_ctor_get(x_320, 1);
+lean_inc(x_325);
+lean_inc(x_324);
+lean_dec(x_320);
+x_326 = l_Lean_mkAppN(x_315, x_324);
+x_327 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_327, 0, x_326);
+lean_ctor_set(x_327, 1, x_325);
+return x_327;
+}
+}
+else
+{
+uint8_t x_328; 
+lean_dec(x_315);
+x_328 = !lean_is_exclusive(x_320);
+if (x_328 == 0)
+{
+return x_320;
+}
+else
+{
+lean_object* x_329; lean_object* x_330; lean_object* x_331; 
+x_329 = lean_ctor_get(x_320, 0);
+x_330 = lean_ctor_get(x_320, 1);
+lean_inc(x_330);
 lean_inc(x_329);
-lean_inc(x_328);
-lean_dec(x_319);
-x_330 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_330, 0, x_328);
-lean_ctor_set(x_330, 1, x_329);
-return x_330;
+lean_dec(x_320);
+x_331 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_331, 0, x_329);
+lean_ctor_set(x_331, 1, x_330);
+return x_331;
 }
 }
 }
 else
 {
-lean_object* x_331; lean_object* x_332; uint8_t x_333; 
-x_331 = lean_ctor_get(x_313, 0);
-lean_inc(x_331);
-x_332 = lean_ctor_get(x_313, 1);
+lean_object* x_332; lean_object* x_333; uint8_t x_334; 
+x_332 = lean_ctor_get(x_314, 0);
 lean_inc(x_332);
-lean_dec(x_313);
-x_333 = l_Lean_Expr_isLambda(x_331);
-if (x_333 == 0)
+x_333 = lean_ctor_get(x_314, 1);
+lean_inc(x_333);
+lean_dec(x_314);
+x_334 = l_Lean_Expr_isLambda(x_332);
+if (x_334 == 0)
 {
-lean_object* x_334; size_t x_335; size_t x_336; lean_object* x_337; 
-x_334 = lean_array_get_size(x_3);
-x_335 = lean_usize_of_nat(x_334);
-lean_dec(x_334);
-x_336 = 0;
-x_337 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg(x_1, x_335, x_336, x_3, x_5, x_6, x_332);
+lean_object* x_335; size_t x_336; size_t x_337; lean_object* x_338; 
+x_335 = lean_array_get_size(x_3);
+x_336 = lean_usize_of_nat(x_335);
+lean_dec(x_335);
+x_337 = 0;
+x_338 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__31___rarg(x_1, x_336, x_337, x_3, x_5, x_6, x_333);
 lean_dec(x_1);
-if (lean_obj_tag(x_337) == 0)
+if (lean_obj_tag(x_338) == 0)
 {
-uint8_t x_338; 
-x_338 = !lean_is_exclusive(x_337);
-if (x_338 == 0)
+uint8_t x_339; 
+x_339 = !lean_is_exclusive(x_338);
+if (x_339 == 0)
 {
-lean_object* x_339; lean_object* x_340; 
-x_339 = lean_ctor_get(x_337, 0);
-x_340 = l_Lean_mkAppN(x_331, x_339);
-lean_ctor_set(x_337, 0, x_340);
-return x_337;
+lean_object* x_340; lean_object* x_341; 
+x_340 = lean_ctor_get(x_338, 0);
+x_341 = l_Lean_mkAppN(x_332, x_340);
+lean_ctor_set(x_338, 0, x_341);
+return x_338;
 }
 else
 {
-lean_object* x_341; lean_object* x_342; lean_object* x_343; lean_object* x_344; 
-x_341 = lean_ctor_get(x_337, 0);
-x_342 = lean_ctor_get(x_337, 1);
+lean_object* x_342; lean_object* x_343; lean_object* x_344; lean_object* x_345; 
+x_342 = lean_ctor_get(x_338, 0);
+x_343 = lean_ctor_get(x_338, 1);
+lean_inc(x_343);
 lean_inc(x_342);
-lean_inc(x_341);
-lean_dec(x_337);
-x_343 = l_Lean_mkAppN(x_331, x_341);
-x_344 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_344, 0, x_343);
-lean_ctor_set(x_344, 1, x_342);
-return x_344;
+lean_dec(x_338);
+x_344 = l_Lean_mkAppN(x_332, x_342);
+x_345 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_345, 0, x_344);
+lean_ctor_set(x_345, 1, x_343);
+return x_345;
 }
 }
 else
 {
-uint8_t x_345; 
-lean_dec(x_331);
-x_345 = !lean_is_exclusive(x_337);
-if (x_345 == 0)
+uint8_t x_346; 
+lean_dec(x_332);
+x_346 = !lean_is_exclusive(x_338);
+if (x_346 == 0)
 {
-return x_337;
+return x_338;
 }
 else
 {
-lean_object* x_346; lean_object* x_347; lean_object* x_348; 
-x_346 = lean_ctor_get(x_337, 0);
-x_347 = lean_ctor_get(x_337, 1);
+lean_object* x_347; lean_object* x_348; lean_object* x_349; 
+x_347 = lean_ctor_get(x_338, 0);
+x_348 = lean_ctor_get(x_338, 1);
+lean_inc(x_348);
 lean_inc(x_347);
-lean_inc(x_346);
-lean_dec(x_337);
-x_348 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_348, 0, x_346);
-lean_ctor_set(x_348, 1, x_347);
-return x_348;
+lean_dec(x_338);
+x_349 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_349, 0, x_347);
+lean_ctor_set(x_349, 1, x_348);
+return x_349;
 }
 }
 }
 else
 {
-lean_object* x_349; uint8_t x_350; lean_object* x_351; lean_object* x_352; 
+lean_object* x_350; uint8_t x_351; lean_object* x_352; lean_object* x_353; 
 lean_dec(x_1);
-x_349 = l_Array_reverse___rarg(x_3);
-x_350 = 0;
-x_351 = l_Lean_Expr_betaRev(x_331, x_349, x_350, x_350);
-lean_dec(x_349);
-x_352 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_351, x_5, x_6, x_332);
-return x_352;
+x_350 = l_Array_reverse___rarg(x_3);
+x_351 = 0;
+x_352 = l_Lean_Expr_betaRev(x_332, x_350, x_351, x_351);
+lean_dec(x_350);
+x_353 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_352, x_5, x_6, x_333);
+return x_353;
 }
 }
 }
 else
 {
-uint8_t x_353; 
+uint8_t x_354; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_353 = !lean_is_exclusive(x_313);
-if (x_353 == 0)
+x_354 = !lean_is_exclusive(x_314);
+if (x_354 == 0)
 {
-return x_313;
+return x_314;
 }
 else
 {
-lean_object* x_354; lean_object* x_355; lean_object* x_356; 
-x_354 = lean_ctor_get(x_313, 0);
-x_355 = lean_ctor_get(x_313, 1);
+lean_object* x_355; lean_object* x_356; lean_object* x_357; 
+x_355 = lean_ctor_get(x_314, 0);
+x_356 = lean_ctor_get(x_314, 1);
+lean_inc(x_356);
 lean_inc(x_355);
-lean_inc(x_354);
-lean_dec(x_313);
-x_356 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_356, 0, x_354);
-lean_ctor_set(x_356, 1, x_355);
-return x_356;
+lean_dec(x_314);
+x_357 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_357, 0, x_355);
+lean_ctor_set(x_357, 1, x_356);
+return x_357;
 }
 }
 }
 case 7:
 {
-uint8_t x_357; lean_object* x_358; 
+uint8_t x_358; lean_object* x_359; 
 lean_dec(x_4);
-x_357 = l_Lean_Expr_isMVar(x_2);
-x_358 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_358) == 0)
+x_358 = l_Lean_Expr_isMVar(x_2);
+x_359 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_359) == 0)
 {
-if (x_357 == 0)
+if (x_358 == 0)
 {
-lean_object* x_359; lean_object* x_360; lean_object* x_361; size_t x_362; size_t x_363; lean_object* x_364; 
-x_359 = lean_ctor_get(x_358, 0);
-lean_inc(x_359);
-x_360 = lean_ctor_get(x_358, 1);
+lean_object* x_360; lean_object* x_361; lean_object* x_362; size_t x_363; size_t x_364; lean_object* x_365; 
+x_360 = lean_ctor_get(x_359, 0);
 lean_inc(x_360);
-lean_dec(x_358);
-x_361 = lean_array_get_size(x_3);
-x_362 = lean_usize_of_nat(x_361);
-lean_dec(x_361);
-x_363 = 0;
-x_364 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__32___rarg(x_1, x_362, x_363, x_3, x_5, x_6, x_360);
-lean_dec(x_1);
-if (lean_obj_tag(x_364) == 0)
-{
-uint8_t x_365; 
-x_365 = !lean_is_exclusive(x_364);
-if (x_365 == 0)
-{
-lean_object* x_366; lean_object* x_367; 
-x_366 = lean_ctor_get(x_364, 0);
-x_367 = l_Lean_mkAppN(x_359, x_366);
-lean_ctor_set(x_364, 0, x_367);
-return x_364;
-}
-else
-{
-lean_object* x_368; lean_object* x_369; lean_object* x_370; lean_object* x_371; 
-x_368 = lean_ctor_get(x_364, 0);
-x_369 = lean_ctor_get(x_364, 1);
-lean_inc(x_369);
-lean_inc(x_368);
-lean_dec(x_364);
-x_370 = l_Lean_mkAppN(x_359, x_368);
-x_371 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_371, 0, x_370);
-lean_ctor_set(x_371, 1, x_369);
-return x_371;
-}
-}
-else
-{
-uint8_t x_372; 
+x_361 = lean_ctor_get(x_359, 1);
+lean_inc(x_361);
 lean_dec(x_359);
-x_372 = !lean_is_exclusive(x_364);
-if (x_372 == 0)
+x_362 = lean_array_get_size(x_3);
+x_363 = lean_usize_of_nat(x_362);
+lean_dec(x_362);
+x_364 = 0;
+x_365 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__32___rarg(x_1, x_363, x_364, x_3, x_5, x_6, x_361);
+lean_dec(x_1);
+if (lean_obj_tag(x_365) == 0)
 {
-return x_364;
+uint8_t x_366; 
+x_366 = !lean_is_exclusive(x_365);
+if (x_366 == 0)
+{
+lean_object* x_367; lean_object* x_368; 
+x_367 = lean_ctor_get(x_365, 0);
+x_368 = l_Lean_mkAppN(x_360, x_367);
+lean_ctor_set(x_365, 0, x_368);
+return x_365;
 }
 else
 {
-lean_object* x_373; lean_object* x_374; lean_object* x_375; 
-x_373 = lean_ctor_get(x_364, 0);
-x_374 = lean_ctor_get(x_364, 1);
+lean_object* x_369; lean_object* x_370; lean_object* x_371; lean_object* x_372; 
+x_369 = lean_ctor_get(x_365, 0);
+x_370 = lean_ctor_get(x_365, 1);
+lean_inc(x_370);
+lean_inc(x_369);
+lean_dec(x_365);
+x_371 = l_Lean_mkAppN(x_360, x_369);
+x_372 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_372, 0, x_371);
+lean_ctor_set(x_372, 1, x_370);
+return x_372;
+}
+}
+else
+{
+uint8_t x_373; 
+lean_dec(x_360);
+x_373 = !lean_is_exclusive(x_365);
+if (x_373 == 0)
+{
+return x_365;
+}
+else
+{
+lean_object* x_374; lean_object* x_375; lean_object* x_376; 
+x_374 = lean_ctor_get(x_365, 0);
+x_375 = lean_ctor_get(x_365, 1);
+lean_inc(x_375);
 lean_inc(x_374);
-lean_inc(x_373);
-lean_dec(x_364);
-x_375 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_375, 0, x_373);
-lean_ctor_set(x_375, 1, x_374);
-return x_375;
+lean_dec(x_365);
+x_376 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_376, 0, x_374);
+lean_ctor_set(x_376, 1, x_375);
+return x_376;
 }
 }
 }
 else
 {
-lean_object* x_376; lean_object* x_377; uint8_t x_378; 
-x_376 = lean_ctor_get(x_358, 0);
-lean_inc(x_376);
-x_377 = lean_ctor_get(x_358, 1);
+lean_object* x_377; lean_object* x_378; uint8_t x_379; 
+x_377 = lean_ctor_get(x_359, 0);
 lean_inc(x_377);
-lean_dec(x_358);
-x_378 = l_Lean_Expr_isLambda(x_376);
-if (x_378 == 0)
+x_378 = lean_ctor_get(x_359, 1);
+lean_inc(x_378);
+lean_dec(x_359);
+x_379 = l_Lean_Expr_isLambda(x_377);
+if (x_379 == 0)
 {
-lean_object* x_379; size_t x_380; size_t x_381; lean_object* x_382; 
-x_379 = lean_array_get_size(x_3);
-x_380 = lean_usize_of_nat(x_379);
-lean_dec(x_379);
-x_381 = 0;
-x_382 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg(x_1, x_380, x_381, x_3, x_5, x_6, x_377);
+lean_object* x_380; size_t x_381; size_t x_382; lean_object* x_383; 
+x_380 = lean_array_get_size(x_3);
+x_381 = lean_usize_of_nat(x_380);
+lean_dec(x_380);
+x_382 = 0;
+x_383 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__33___rarg(x_1, x_381, x_382, x_3, x_5, x_6, x_378);
 lean_dec(x_1);
-if (lean_obj_tag(x_382) == 0)
+if (lean_obj_tag(x_383) == 0)
 {
-uint8_t x_383; 
-x_383 = !lean_is_exclusive(x_382);
-if (x_383 == 0)
+uint8_t x_384; 
+x_384 = !lean_is_exclusive(x_383);
+if (x_384 == 0)
 {
-lean_object* x_384; lean_object* x_385; 
-x_384 = lean_ctor_get(x_382, 0);
-x_385 = l_Lean_mkAppN(x_376, x_384);
-lean_ctor_set(x_382, 0, x_385);
-return x_382;
+lean_object* x_385; lean_object* x_386; 
+x_385 = lean_ctor_get(x_383, 0);
+x_386 = l_Lean_mkAppN(x_377, x_385);
+lean_ctor_set(x_383, 0, x_386);
+return x_383;
 }
 else
 {
-lean_object* x_386; lean_object* x_387; lean_object* x_388; lean_object* x_389; 
-x_386 = lean_ctor_get(x_382, 0);
-x_387 = lean_ctor_get(x_382, 1);
+lean_object* x_387; lean_object* x_388; lean_object* x_389; lean_object* x_390; 
+x_387 = lean_ctor_get(x_383, 0);
+x_388 = lean_ctor_get(x_383, 1);
+lean_inc(x_388);
 lean_inc(x_387);
-lean_inc(x_386);
-lean_dec(x_382);
-x_388 = l_Lean_mkAppN(x_376, x_386);
-x_389 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_389, 0, x_388);
-lean_ctor_set(x_389, 1, x_387);
-return x_389;
+lean_dec(x_383);
+x_389 = l_Lean_mkAppN(x_377, x_387);
+x_390 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_390, 0, x_389);
+lean_ctor_set(x_390, 1, x_388);
+return x_390;
 }
 }
 else
 {
-uint8_t x_390; 
-lean_dec(x_376);
-x_390 = !lean_is_exclusive(x_382);
-if (x_390 == 0)
+uint8_t x_391; 
+lean_dec(x_377);
+x_391 = !lean_is_exclusive(x_383);
+if (x_391 == 0)
 {
-return x_382;
+return x_383;
 }
 else
 {
-lean_object* x_391; lean_object* x_392; lean_object* x_393; 
-x_391 = lean_ctor_get(x_382, 0);
-x_392 = lean_ctor_get(x_382, 1);
+lean_object* x_392; lean_object* x_393; lean_object* x_394; 
+x_392 = lean_ctor_get(x_383, 0);
+x_393 = lean_ctor_get(x_383, 1);
+lean_inc(x_393);
 lean_inc(x_392);
-lean_inc(x_391);
-lean_dec(x_382);
-x_393 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_393, 0, x_391);
-lean_ctor_set(x_393, 1, x_392);
-return x_393;
+lean_dec(x_383);
+x_394 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_394, 0, x_392);
+lean_ctor_set(x_394, 1, x_393);
+return x_394;
 }
 }
 }
 else
 {
-lean_object* x_394; uint8_t x_395; lean_object* x_396; lean_object* x_397; 
+lean_object* x_395; uint8_t x_396; lean_object* x_397; lean_object* x_398; 
 lean_dec(x_1);
-x_394 = l_Array_reverse___rarg(x_3);
-x_395 = 0;
-x_396 = l_Lean_Expr_betaRev(x_376, x_394, x_395, x_395);
-lean_dec(x_394);
-x_397 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_396, x_5, x_6, x_377);
-return x_397;
+x_395 = l_Array_reverse___rarg(x_3);
+x_396 = 0;
+x_397 = l_Lean_Expr_betaRev(x_377, x_395, x_396, x_396);
+lean_dec(x_395);
+x_398 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_397, x_5, x_6, x_378);
+return x_398;
 }
 }
 }
 else
 {
-uint8_t x_398; 
+uint8_t x_399; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_398 = !lean_is_exclusive(x_358);
-if (x_398 == 0)
+x_399 = !lean_is_exclusive(x_359);
+if (x_399 == 0)
 {
-return x_358;
+return x_359;
 }
 else
 {
-lean_object* x_399; lean_object* x_400; lean_object* x_401; 
-x_399 = lean_ctor_get(x_358, 0);
-x_400 = lean_ctor_get(x_358, 1);
+lean_object* x_400; lean_object* x_401; lean_object* x_402; 
+x_400 = lean_ctor_get(x_359, 0);
+x_401 = lean_ctor_get(x_359, 1);
+lean_inc(x_401);
 lean_inc(x_400);
-lean_inc(x_399);
-lean_dec(x_358);
-x_401 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_401, 0, x_399);
-lean_ctor_set(x_401, 1, x_400);
-return x_401;
+lean_dec(x_359);
+x_402 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_402, 0, x_400);
+lean_ctor_set(x_402, 1, x_401);
+return x_402;
 }
 }
 }
 case 8:
 {
-uint8_t x_402; lean_object* x_403; 
+uint8_t x_403; lean_object* x_404; 
 lean_dec(x_4);
-x_402 = l_Lean_Expr_isMVar(x_2);
-x_403 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_403) == 0)
+x_403 = l_Lean_Expr_isMVar(x_2);
+x_404 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_404) == 0)
 {
-if (x_402 == 0)
+if (x_403 == 0)
 {
-lean_object* x_404; lean_object* x_405; lean_object* x_406; size_t x_407; size_t x_408; lean_object* x_409; 
-x_404 = lean_ctor_get(x_403, 0);
-lean_inc(x_404);
-x_405 = lean_ctor_get(x_403, 1);
+lean_object* x_405; lean_object* x_406; lean_object* x_407; size_t x_408; size_t x_409; lean_object* x_410; 
+x_405 = lean_ctor_get(x_404, 0);
 lean_inc(x_405);
-lean_dec(x_403);
-x_406 = lean_array_get_size(x_3);
-x_407 = lean_usize_of_nat(x_406);
-lean_dec(x_406);
-x_408 = 0;
-x_409 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34___rarg(x_1, x_407, x_408, x_3, x_5, x_6, x_405);
-lean_dec(x_1);
-if (lean_obj_tag(x_409) == 0)
-{
-uint8_t x_410; 
-x_410 = !lean_is_exclusive(x_409);
-if (x_410 == 0)
-{
-lean_object* x_411; lean_object* x_412; 
-x_411 = lean_ctor_get(x_409, 0);
-x_412 = l_Lean_mkAppN(x_404, x_411);
-lean_ctor_set(x_409, 0, x_412);
-return x_409;
-}
-else
-{
-lean_object* x_413; lean_object* x_414; lean_object* x_415; lean_object* x_416; 
-x_413 = lean_ctor_get(x_409, 0);
-x_414 = lean_ctor_get(x_409, 1);
-lean_inc(x_414);
-lean_inc(x_413);
-lean_dec(x_409);
-x_415 = l_Lean_mkAppN(x_404, x_413);
-x_416 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_416, 0, x_415);
-lean_ctor_set(x_416, 1, x_414);
-return x_416;
-}
-}
-else
-{
-uint8_t x_417; 
+x_406 = lean_ctor_get(x_404, 1);
+lean_inc(x_406);
 lean_dec(x_404);
-x_417 = !lean_is_exclusive(x_409);
-if (x_417 == 0)
+x_407 = lean_array_get_size(x_3);
+x_408 = lean_usize_of_nat(x_407);
+lean_dec(x_407);
+x_409 = 0;
+x_410 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__34___rarg(x_1, x_408, x_409, x_3, x_5, x_6, x_406);
+lean_dec(x_1);
+if (lean_obj_tag(x_410) == 0)
 {
-return x_409;
+uint8_t x_411; 
+x_411 = !lean_is_exclusive(x_410);
+if (x_411 == 0)
+{
+lean_object* x_412; lean_object* x_413; 
+x_412 = lean_ctor_get(x_410, 0);
+x_413 = l_Lean_mkAppN(x_405, x_412);
+lean_ctor_set(x_410, 0, x_413);
+return x_410;
 }
 else
 {
-lean_object* x_418; lean_object* x_419; lean_object* x_420; 
-x_418 = lean_ctor_get(x_409, 0);
-x_419 = lean_ctor_get(x_409, 1);
+lean_object* x_414; lean_object* x_415; lean_object* x_416; lean_object* x_417; 
+x_414 = lean_ctor_get(x_410, 0);
+x_415 = lean_ctor_get(x_410, 1);
+lean_inc(x_415);
+lean_inc(x_414);
+lean_dec(x_410);
+x_416 = l_Lean_mkAppN(x_405, x_414);
+x_417 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_417, 0, x_416);
+lean_ctor_set(x_417, 1, x_415);
+return x_417;
+}
+}
+else
+{
+uint8_t x_418; 
+lean_dec(x_405);
+x_418 = !lean_is_exclusive(x_410);
+if (x_418 == 0)
+{
+return x_410;
+}
+else
+{
+lean_object* x_419; lean_object* x_420; lean_object* x_421; 
+x_419 = lean_ctor_get(x_410, 0);
+x_420 = lean_ctor_get(x_410, 1);
+lean_inc(x_420);
 lean_inc(x_419);
-lean_inc(x_418);
-lean_dec(x_409);
-x_420 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_420, 0, x_418);
-lean_ctor_set(x_420, 1, x_419);
-return x_420;
+lean_dec(x_410);
+x_421 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_421, 0, x_419);
+lean_ctor_set(x_421, 1, x_420);
+return x_421;
 }
 }
 }
 else
 {
-lean_object* x_421; lean_object* x_422; uint8_t x_423; 
-x_421 = lean_ctor_get(x_403, 0);
-lean_inc(x_421);
-x_422 = lean_ctor_get(x_403, 1);
+lean_object* x_422; lean_object* x_423; uint8_t x_424; 
+x_422 = lean_ctor_get(x_404, 0);
 lean_inc(x_422);
-lean_dec(x_403);
-x_423 = l_Lean_Expr_isLambda(x_421);
-if (x_423 == 0)
+x_423 = lean_ctor_get(x_404, 1);
+lean_inc(x_423);
+lean_dec(x_404);
+x_424 = l_Lean_Expr_isLambda(x_422);
+if (x_424 == 0)
 {
-lean_object* x_424; size_t x_425; size_t x_426; lean_object* x_427; 
-x_424 = lean_array_get_size(x_3);
-x_425 = lean_usize_of_nat(x_424);
-lean_dec(x_424);
-x_426 = 0;
-x_427 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg(x_1, x_425, x_426, x_3, x_5, x_6, x_422);
+lean_object* x_425; size_t x_426; size_t x_427; lean_object* x_428; 
+x_425 = lean_array_get_size(x_3);
+x_426 = lean_usize_of_nat(x_425);
+lean_dec(x_425);
+x_427 = 0;
+x_428 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__35___rarg(x_1, x_426, x_427, x_3, x_5, x_6, x_423);
 lean_dec(x_1);
-if (lean_obj_tag(x_427) == 0)
+if (lean_obj_tag(x_428) == 0)
 {
-uint8_t x_428; 
-x_428 = !lean_is_exclusive(x_427);
-if (x_428 == 0)
+uint8_t x_429; 
+x_429 = !lean_is_exclusive(x_428);
+if (x_429 == 0)
 {
-lean_object* x_429; lean_object* x_430; 
-x_429 = lean_ctor_get(x_427, 0);
-x_430 = l_Lean_mkAppN(x_421, x_429);
-lean_ctor_set(x_427, 0, x_430);
-return x_427;
+lean_object* x_430; lean_object* x_431; 
+x_430 = lean_ctor_get(x_428, 0);
+x_431 = l_Lean_mkAppN(x_422, x_430);
+lean_ctor_set(x_428, 0, x_431);
+return x_428;
 }
 else
 {
-lean_object* x_431; lean_object* x_432; lean_object* x_433; lean_object* x_434; 
-x_431 = lean_ctor_get(x_427, 0);
-x_432 = lean_ctor_get(x_427, 1);
+lean_object* x_432; lean_object* x_433; lean_object* x_434; lean_object* x_435; 
+x_432 = lean_ctor_get(x_428, 0);
+x_433 = lean_ctor_get(x_428, 1);
+lean_inc(x_433);
 lean_inc(x_432);
-lean_inc(x_431);
-lean_dec(x_427);
-x_433 = l_Lean_mkAppN(x_421, x_431);
-x_434 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_434, 0, x_433);
-lean_ctor_set(x_434, 1, x_432);
-return x_434;
+lean_dec(x_428);
+x_434 = l_Lean_mkAppN(x_422, x_432);
+x_435 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_435, 0, x_434);
+lean_ctor_set(x_435, 1, x_433);
+return x_435;
 }
 }
 else
 {
-uint8_t x_435; 
-lean_dec(x_421);
-x_435 = !lean_is_exclusive(x_427);
-if (x_435 == 0)
+uint8_t x_436; 
+lean_dec(x_422);
+x_436 = !lean_is_exclusive(x_428);
+if (x_436 == 0)
 {
-return x_427;
+return x_428;
 }
 else
 {
-lean_object* x_436; lean_object* x_437; lean_object* x_438; 
-x_436 = lean_ctor_get(x_427, 0);
-x_437 = lean_ctor_get(x_427, 1);
+lean_object* x_437; lean_object* x_438; lean_object* x_439; 
+x_437 = lean_ctor_get(x_428, 0);
+x_438 = lean_ctor_get(x_428, 1);
+lean_inc(x_438);
 lean_inc(x_437);
-lean_inc(x_436);
-lean_dec(x_427);
-x_438 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_438, 0, x_436);
-lean_ctor_set(x_438, 1, x_437);
-return x_438;
+lean_dec(x_428);
+x_439 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_439, 0, x_437);
+lean_ctor_set(x_439, 1, x_438);
+return x_439;
 }
 }
 }
 else
 {
-lean_object* x_439; uint8_t x_440; lean_object* x_441; lean_object* x_442; 
+lean_object* x_440; uint8_t x_441; lean_object* x_442; lean_object* x_443; 
 lean_dec(x_1);
-x_439 = l_Array_reverse___rarg(x_3);
-x_440 = 0;
-x_441 = l_Lean_Expr_betaRev(x_421, x_439, x_440, x_440);
-lean_dec(x_439);
-x_442 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_441, x_5, x_6, x_422);
-return x_442;
+x_440 = l_Array_reverse___rarg(x_3);
+x_441 = 0;
+x_442 = l_Lean_Expr_betaRev(x_422, x_440, x_441, x_441);
+lean_dec(x_440);
+x_443 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_442, x_5, x_6, x_423);
+return x_443;
 }
 }
 }
 else
 {
-uint8_t x_443; 
+uint8_t x_444; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_443 = !lean_is_exclusive(x_403);
-if (x_443 == 0)
+x_444 = !lean_is_exclusive(x_404);
+if (x_444 == 0)
 {
-return x_403;
+return x_404;
 }
 else
 {
-lean_object* x_444; lean_object* x_445; lean_object* x_446; 
-x_444 = lean_ctor_get(x_403, 0);
-x_445 = lean_ctor_get(x_403, 1);
+lean_object* x_445; lean_object* x_446; lean_object* x_447; 
+x_445 = lean_ctor_get(x_404, 0);
+x_446 = lean_ctor_get(x_404, 1);
+lean_inc(x_446);
 lean_inc(x_445);
-lean_inc(x_444);
-lean_dec(x_403);
-x_446 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_446, 0, x_444);
-lean_ctor_set(x_446, 1, x_445);
-return x_446;
+lean_dec(x_404);
+x_447 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_447, 0, x_445);
+lean_ctor_set(x_447, 1, x_446);
+return x_447;
 }
 }
 }
 case 9:
 {
-uint8_t x_447; lean_object* x_448; 
+uint8_t x_448; lean_object* x_449; 
 lean_dec(x_4);
-x_447 = l_Lean_Expr_isMVar(x_2);
-x_448 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_448) == 0)
+x_448 = l_Lean_Expr_isMVar(x_2);
+x_449 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_449) == 0)
 {
-if (x_447 == 0)
+if (x_448 == 0)
 {
-lean_object* x_449; lean_object* x_450; lean_object* x_451; size_t x_452; size_t x_453; lean_object* x_454; 
-x_449 = lean_ctor_get(x_448, 0);
-lean_inc(x_449);
-x_450 = lean_ctor_get(x_448, 1);
+lean_object* x_450; lean_object* x_451; lean_object* x_452; size_t x_453; size_t x_454; lean_object* x_455; 
+x_450 = lean_ctor_get(x_449, 0);
 lean_inc(x_450);
-lean_dec(x_448);
-x_451 = lean_array_get_size(x_3);
-x_452 = lean_usize_of_nat(x_451);
-lean_dec(x_451);
-x_453 = 0;
-x_454 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__36___rarg(x_1, x_452, x_453, x_3, x_5, x_6, x_450);
-lean_dec(x_1);
-if (lean_obj_tag(x_454) == 0)
-{
-uint8_t x_455; 
-x_455 = !lean_is_exclusive(x_454);
-if (x_455 == 0)
-{
-lean_object* x_456; lean_object* x_457; 
-x_456 = lean_ctor_get(x_454, 0);
-x_457 = l_Lean_mkAppN(x_449, x_456);
-lean_ctor_set(x_454, 0, x_457);
-return x_454;
-}
-else
-{
-lean_object* x_458; lean_object* x_459; lean_object* x_460; lean_object* x_461; 
-x_458 = lean_ctor_get(x_454, 0);
-x_459 = lean_ctor_get(x_454, 1);
-lean_inc(x_459);
-lean_inc(x_458);
-lean_dec(x_454);
-x_460 = l_Lean_mkAppN(x_449, x_458);
-x_461 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_461, 0, x_460);
-lean_ctor_set(x_461, 1, x_459);
-return x_461;
-}
-}
-else
-{
-uint8_t x_462; 
+x_451 = lean_ctor_get(x_449, 1);
+lean_inc(x_451);
 lean_dec(x_449);
-x_462 = !lean_is_exclusive(x_454);
-if (x_462 == 0)
+x_452 = lean_array_get_size(x_3);
+x_453 = lean_usize_of_nat(x_452);
+lean_dec(x_452);
+x_454 = 0;
+x_455 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__36___rarg(x_1, x_453, x_454, x_3, x_5, x_6, x_451);
+lean_dec(x_1);
+if (lean_obj_tag(x_455) == 0)
 {
-return x_454;
+uint8_t x_456; 
+x_456 = !lean_is_exclusive(x_455);
+if (x_456 == 0)
+{
+lean_object* x_457; lean_object* x_458; 
+x_457 = lean_ctor_get(x_455, 0);
+x_458 = l_Lean_mkAppN(x_450, x_457);
+lean_ctor_set(x_455, 0, x_458);
+return x_455;
 }
 else
 {
-lean_object* x_463; lean_object* x_464; lean_object* x_465; 
-x_463 = lean_ctor_get(x_454, 0);
-x_464 = lean_ctor_get(x_454, 1);
+lean_object* x_459; lean_object* x_460; lean_object* x_461; lean_object* x_462; 
+x_459 = lean_ctor_get(x_455, 0);
+x_460 = lean_ctor_get(x_455, 1);
+lean_inc(x_460);
+lean_inc(x_459);
+lean_dec(x_455);
+x_461 = l_Lean_mkAppN(x_450, x_459);
+x_462 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_462, 0, x_461);
+lean_ctor_set(x_462, 1, x_460);
+return x_462;
+}
+}
+else
+{
+uint8_t x_463; 
+lean_dec(x_450);
+x_463 = !lean_is_exclusive(x_455);
+if (x_463 == 0)
+{
+return x_455;
+}
+else
+{
+lean_object* x_464; lean_object* x_465; lean_object* x_466; 
+x_464 = lean_ctor_get(x_455, 0);
+x_465 = lean_ctor_get(x_455, 1);
+lean_inc(x_465);
 lean_inc(x_464);
-lean_inc(x_463);
-lean_dec(x_454);
-x_465 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_465, 0, x_463);
-lean_ctor_set(x_465, 1, x_464);
-return x_465;
+lean_dec(x_455);
+x_466 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_466, 0, x_464);
+lean_ctor_set(x_466, 1, x_465);
+return x_466;
 }
 }
 }
 else
 {
-lean_object* x_466; lean_object* x_467; uint8_t x_468; 
-x_466 = lean_ctor_get(x_448, 0);
-lean_inc(x_466);
-x_467 = lean_ctor_get(x_448, 1);
+lean_object* x_467; lean_object* x_468; uint8_t x_469; 
+x_467 = lean_ctor_get(x_449, 0);
 lean_inc(x_467);
-lean_dec(x_448);
-x_468 = l_Lean_Expr_isLambda(x_466);
-if (x_468 == 0)
+x_468 = lean_ctor_get(x_449, 1);
+lean_inc(x_468);
+lean_dec(x_449);
+x_469 = l_Lean_Expr_isLambda(x_467);
+if (x_469 == 0)
 {
-lean_object* x_469; size_t x_470; size_t x_471; lean_object* x_472; 
-x_469 = lean_array_get_size(x_3);
-x_470 = lean_usize_of_nat(x_469);
-lean_dec(x_469);
-x_471 = 0;
-x_472 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg(x_1, x_470, x_471, x_3, x_5, x_6, x_467);
+lean_object* x_470; size_t x_471; size_t x_472; lean_object* x_473; 
+x_470 = lean_array_get_size(x_3);
+x_471 = lean_usize_of_nat(x_470);
+lean_dec(x_470);
+x_472 = 0;
+x_473 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__37___rarg(x_1, x_471, x_472, x_3, x_5, x_6, x_468);
 lean_dec(x_1);
-if (lean_obj_tag(x_472) == 0)
+if (lean_obj_tag(x_473) == 0)
 {
-uint8_t x_473; 
-x_473 = !lean_is_exclusive(x_472);
-if (x_473 == 0)
+uint8_t x_474; 
+x_474 = !lean_is_exclusive(x_473);
+if (x_474 == 0)
 {
-lean_object* x_474; lean_object* x_475; 
-x_474 = lean_ctor_get(x_472, 0);
-x_475 = l_Lean_mkAppN(x_466, x_474);
-lean_ctor_set(x_472, 0, x_475);
-return x_472;
+lean_object* x_475; lean_object* x_476; 
+x_475 = lean_ctor_get(x_473, 0);
+x_476 = l_Lean_mkAppN(x_467, x_475);
+lean_ctor_set(x_473, 0, x_476);
+return x_473;
 }
 else
 {
-lean_object* x_476; lean_object* x_477; lean_object* x_478; lean_object* x_479; 
-x_476 = lean_ctor_get(x_472, 0);
-x_477 = lean_ctor_get(x_472, 1);
+lean_object* x_477; lean_object* x_478; lean_object* x_479; lean_object* x_480; 
+x_477 = lean_ctor_get(x_473, 0);
+x_478 = lean_ctor_get(x_473, 1);
+lean_inc(x_478);
 lean_inc(x_477);
-lean_inc(x_476);
-lean_dec(x_472);
-x_478 = l_Lean_mkAppN(x_466, x_476);
-x_479 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_479, 0, x_478);
-lean_ctor_set(x_479, 1, x_477);
-return x_479;
+lean_dec(x_473);
+x_479 = l_Lean_mkAppN(x_467, x_477);
+x_480 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_480, 0, x_479);
+lean_ctor_set(x_480, 1, x_478);
+return x_480;
 }
 }
 else
 {
-uint8_t x_480; 
-lean_dec(x_466);
-x_480 = !lean_is_exclusive(x_472);
-if (x_480 == 0)
+uint8_t x_481; 
+lean_dec(x_467);
+x_481 = !lean_is_exclusive(x_473);
+if (x_481 == 0)
 {
-return x_472;
+return x_473;
 }
 else
 {
-lean_object* x_481; lean_object* x_482; lean_object* x_483; 
-x_481 = lean_ctor_get(x_472, 0);
-x_482 = lean_ctor_get(x_472, 1);
+lean_object* x_482; lean_object* x_483; lean_object* x_484; 
+x_482 = lean_ctor_get(x_473, 0);
+x_483 = lean_ctor_get(x_473, 1);
+lean_inc(x_483);
 lean_inc(x_482);
-lean_inc(x_481);
-lean_dec(x_472);
-x_483 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_483, 0, x_481);
-lean_ctor_set(x_483, 1, x_482);
-return x_483;
+lean_dec(x_473);
+x_484 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_484, 0, x_482);
+lean_ctor_set(x_484, 1, x_483);
+return x_484;
 }
 }
 }
 else
 {
-lean_object* x_484; uint8_t x_485; lean_object* x_486; lean_object* x_487; 
+lean_object* x_485; uint8_t x_486; lean_object* x_487; lean_object* x_488; 
 lean_dec(x_1);
-x_484 = l_Array_reverse___rarg(x_3);
-x_485 = 0;
-x_486 = l_Lean_Expr_betaRev(x_466, x_484, x_485, x_485);
-lean_dec(x_484);
-x_487 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_486, x_5, x_6, x_467);
-return x_487;
+x_485 = l_Array_reverse___rarg(x_3);
+x_486 = 0;
+x_487 = l_Lean_Expr_betaRev(x_467, x_485, x_486, x_486);
+lean_dec(x_485);
+x_488 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_487, x_5, x_6, x_468);
+return x_488;
 }
 }
 }
 else
 {
-uint8_t x_488; 
+uint8_t x_489; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_488 = !lean_is_exclusive(x_448);
-if (x_488 == 0)
+x_489 = !lean_is_exclusive(x_449);
+if (x_489 == 0)
 {
-return x_448;
+return x_449;
 }
 else
 {
-lean_object* x_489; lean_object* x_490; lean_object* x_491; 
-x_489 = lean_ctor_get(x_448, 0);
-x_490 = lean_ctor_get(x_448, 1);
+lean_object* x_490; lean_object* x_491; lean_object* x_492; 
+x_490 = lean_ctor_get(x_449, 0);
+x_491 = lean_ctor_get(x_449, 1);
+lean_inc(x_491);
 lean_inc(x_490);
-lean_inc(x_489);
-lean_dec(x_448);
-x_491 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_491, 0, x_489);
-lean_ctor_set(x_491, 1, x_490);
-return x_491;
+lean_dec(x_449);
+x_492 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_492, 0, x_490);
+lean_ctor_set(x_492, 1, x_491);
+return x_492;
 }
 }
 }
 case 10:
 {
-uint8_t x_492; lean_object* x_493; 
+uint8_t x_493; lean_object* x_494; 
 lean_dec(x_4);
-x_492 = l_Lean_Expr_isMVar(x_2);
-x_493 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_493) == 0)
+x_493 = l_Lean_Expr_isMVar(x_2);
+x_494 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_494) == 0)
 {
-if (x_492 == 0)
+if (x_493 == 0)
 {
-lean_object* x_494; lean_object* x_495; lean_object* x_496; size_t x_497; size_t x_498; lean_object* x_499; 
-x_494 = lean_ctor_get(x_493, 0);
-lean_inc(x_494);
-x_495 = lean_ctor_get(x_493, 1);
+lean_object* x_495; lean_object* x_496; lean_object* x_497; size_t x_498; size_t x_499; lean_object* x_500; 
+x_495 = lean_ctor_get(x_494, 0);
 lean_inc(x_495);
-lean_dec(x_493);
-x_496 = lean_array_get_size(x_3);
-x_497 = lean_usize_of_nat(x_496);
-lean_dec(x_496);
-x_498 = 0;
-x_499 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(x_1, x_497, x_498, x_3, x_5, x_6, x_495);
-lean_dec(x_1);
-if (lean_obj_tag(x_499) == 0)
-{
-uint8_t x_500; 
-x_500 = !lean_is_exclusive(x_499);
-if (x_500 == 0)
-{
-lean_object* x_501; lean_object* x_502; 
-x_501 = lean_ctor_get(x_499, 0);
-x_502 = l_Lean_mkAppN(x_494, x_501);
-lean_ctor_set(x_499, 0, x_502);
-return x_499;
-}
-else
-{
-lean_object* x_503; lean_object* x_504; lean_object* x_505; lean_object* x_506; 
-x_503 = lean_ctor_get(x_499, 0);
-x_504 = lean_ctor_get(x_499, 1);
-lean_inc(x_504);
-lean_inc(x_503);
-lean_dec(x_499);
-x_505 = l_Lean_mkAppN(x_494, x_503);
-x_506 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_506, 0, x_505);
-lean_ctor_set(x_506, 1, x_504);
-return x_506;
-}
-}
-else
-{
-uint8_t x_507; 
+x_496 = lean_ctor_get(x_494, 1);
+lean_inc(x_496);
 lean_dec(x_494);
-x_507 = !lean_is_exclusive(x_499);
-if (x_507 == 0)
+x_497 = lean_array_get_size(x_3);
+x_498 = lean_usize_of_nat(x_497);
+lean_dec(x_497);
+x_499 = 0;
+x_500 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__38___rarg(x_1, x_498, x_499, x_3, x_5, x_6, x_496);
+lean_dec(x_1);
+if (lean_obj_tag(x_500) == 0)
 {
-return x_499;
+uint8_t x_501; 
+x_501 = !lean_is_exclusive(x_500);
+if (x_501 == 0)
+{
+lean_object* x_502; lean_object* x_503; 
+x_502 = lean_ctor_get(x_500, 0);
+x_503 = l_Lean_mkAppN(x_495, x_502);
+lean_ctor_set(x_500, 0, x_503);
+return x_500;
 }
 else
 {
-lean_object* x_508; lean_object* x_509; lean_object* x_510; 
-x_508 = lean_ctor_get(x_499, 0);
-x_509 = lean_ctor_get(x_499, 1);
+lean_object* x_504; lean_object* x_505; lean_object* x_506; lean_object* x_507; 
+x_504 = lean_ctor_get(x_500, 0);
+x_505 = lean_ctor_get(x_500, 1);
+lean_inc(x_505);
+lean_inc(x_504);
+lean_dec(x_500);
+x_506 = l_Lean_mkAppN(x_495, x_504);
+x_507 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_507, 0, x_506);
+lean_ctor_set(x_507, 1, x_505);
+return x_507;
+}
+}
+else
+{
+uint8_t x_508; 
+lean_dec(x_495);
+x_508 = !lean_is_exclusive(x_500);
+if (x_508 == 0)
+{
+return x_500;
+}
+else
+{
+lean_object* x_509; lean_object* x_510; lean_object* x_511; 
+x_509 = lean_ctor_get(x_500, 0);
+x_510 = lean_ctor_get(x_500, 1);
+lean_inc(x_510);
 lean_inc(x_509);
-lean_inc(x_508);
-lean_dec(x_499);
-x_510 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_510, 0, x_508);
-lean_ctor_set(x_510, 1, x_509);
-return x_510;
+lean_dec(x_500);
+x_511 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_511, 0, x_509);
+lean_ctor_set(x_511, 1, x_510);
+return x_511;
 }
 }
 }
 else
 {
-lean_object* x_511; lean_object* x_512; uint8_t x_513; 
-x_511 = lean_ctor_get(x_493, 0);
-lean_inc(x_511);
-x_512 = lean_ctor_get(x_493, 1);
+lean_object* x_512; lean_object* x_513; uint8_t x_514; 
+x_512 = lean_ctor_get(x_494, 0);
 lean_inc(x_512);
-lean_dec(x_493);
-x_513 = l_Lean_Expr_isLambda(x_511);
-if (x_513 == 0)
+x_513 = lean_ctor_get(x_494, 1);
+lean_inc(x_513);
+lean_dec(x_494);
+x_514 = l_Lean_Expr_isLambda(x_512);
+if (x_514 == 0)
 {
-lean_object* x_514; size_t x_515; size_t x_516; lean_object* x_517; 
-x_514 = lean_array_get_size(x_3);
-x_515 = lean_usize_of_nat(x_514);
-lean_dec(x_514);
-x_516 = 0;
-x_517 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(x_1, x_515, x_516, x_3, x_5, x_6, x_512);
+lean_object* x_515; size_t x_516; size_t x_517; lean_object* x_518; 
+x_515 = lean_array_get_size(x_3);
+x_516 = lean_usize_of_nat(x_515);
+lean_dec(x_515);
+x_517 = 0;
+x_518 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__39___rarg(x_1, x_516, x_517, x_3, x_5, x_6, x_513);
 lean_dec(x_1);
-if (lean_obj_tag(x_517) == 0)
+if (lean_obj_tag(x_518) == 0)
 {
-uint8_t x_518; 
-x_518 = !lean_is_exclusive(x_517);
-if (x_518 == 0)
+uint8_t x_519; 
+x_519 = !lean_is_exclusive(x_518);
+if (x_519 == 0)
 {
-lean_object* x_519; lean_object* x_520; 
-x_519 = lean_ctor_get(x_517, 0);
-x_520 = l_Lean_mkAppN(x_511, x_519);
-lean_ctor_set(x_517, 0, x_520);
-return x_517;
+lean_object* x_520; lean_object* x_521; 
+x_520 = lean_ctor_get(x_518, 0);
+x_521 = l_Lean_mkAppN(x_512, x_520);
+lean_ctor_set(x_518, 0, x_521);
+return x_518;
 }
 else
 {
-lean_object* x_521; lean_object* x_522; lean_object* x_523; lean_object* x_524; 
-x_521 = lean_ctor_get(x_517, 0);
-x_522 = lean_ctor_get(x_517, 1);
+lean_object* x_522; lean_object* x_523; lean_object* x_524; lean_object* x_525; 
+x_522 = lean_ctor_get(x_518, 0);
+x_523 = lean_ctor_get(x_518, 1);
+lean_inc(x_523);
 lean_inc(x_522);
-lean_inc(x_521);
-lean_dec(x_517);
-x_523 = l_Lean_mkAppN(x_511, x_521);
-x_524 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_524, 0, x_523);
-lean_ctor_set(x_524, 1, x_522);
-return x_524;
+lean_dec(x_518);
+x_524 = l_Lean_mkAppN(x_512, x_522);
+x_525 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_525, 0, x_524);
+lean_ctor_set(x_525, 1, x_523);
+return x_525;
 }
 }
 else
 {
-uint8_t x_525; 
-lean_dec(x_511);
-x_525 = !lean_is_exclusive(x_517);
-if (x_525 == 0)
+uint8_t x_526; 
+lean_dec(x_512);
+x_526 = !lean_is_exclusive(x_518);
+if (x_526 == 0)
 {
-return x_517;
+return x_518;
 }
 else
 {
-lean_object* x_526; lean_object* x_527; lean_object* x_528; 
-x_526 = lean_ctor_get(x_517, 0);
-x_527 = lean_ctor_get(x_517, 1);
+lean_object* x_527; lean_object* x_528; lean_object* x_529; 
+x_527 = lean_ctor_get(x_518, 0);
+x_528 = lean_ctor_get(x_518, 1);
+lean_inc(x_528);
 lean_inc(x_527);
-lean_inc(x_526);
-lean_dec(x_517);
-x_528 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_528, 0, x_526);
-lean_ctor_set(x_528, 1, x_527);
-return x_528;
+lean_dec(x_518);
+x_529 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_529, 0, x_527);
+lean_ctor_set(x_529, 1, x_528);
+return x_529;
 }
 }
 }
 else
 {
-lean_object* x_529; uint8_t x_530; lean_object* x_531; lean_object* x_532; 
+lean_object* x_530; uint8_t x_531; lean_object* x_532; lean_object* x_533; 
 lean_dec(x_1);
-x_529 = l_Array_reverse___rarg(x_3);
-x_530 = 0;
-x_531 = l_Lean_Expr_betaRev(x_511, x_529, x_530, x_530);
-lean_dec(x_529);
-x_532 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_531, x_5, x_6, x_512);
-return x_532;
+x_530 = l_Array_reverse___rarg(x_3);
+x_531 = 0;
+x_532 = l_Lean_Expr_betaRev(x_512, x_530, x_531, x_531);
+lean_dec(x_530);
+x_533 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_532, x_5, x_6, x_513);
+return x_533;
 }
 }
 }
 else
 {
-uint8_t x_533; 
+uint8_t x_534; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_533 = !lean_is_exclusive(x_493);
-if (x_533 == 0)
+x_534 = !lean_is_exclusive(x_494);
+if (x_534 == 0)
 {
-return x_493;
+return x_494;
 }
 else
 {
-lean_object* x_534; lean_object* x_535; lean_object* x_536; 
-x_534 = lean_ctor_get(x_493, 0);
-x_535 = lean_ctor_get(x_493, 1);
+lean_object* x_535; lean_object* x_536; lean_object* x_537; 
+x_535 = lean_ctor_get(x_494, 0);
+x_536 = lean_ctor_get(x_494, 1);
+lean_inc(x_536);
 lean_inc(x_535);
-lean_inc(x_534);
-lean_dec(x_493);
-x_536 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_536, 0, x_534);
-lean_ctor_set(x_536, 1, x_535);
-return x_536;
+lean_dec(x_494);
+x_537 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_537, 0, x_535);
+lean_ctor_set(x_537, 1, x_536);
+return x_537;
 }
 }
 }
 default: 
 {
-uint8_t x_537; lean_object* x_538; 
+uint8_t x_538; lean_object* x_539; 
 lean_dec(x_4);
-x_537 = l_Lean_Expr_isMVar(x_2);
-x_538 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
-if (lean_obj_tag(x_538) == 0)
+x_538 = l_Lean_Expr_isMVar(x_2);
+x_539 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_2, x_5, x_6, x_7);
+if (lean_obj_tag(x_539) == 0)
 {
-if (x_537 == 0)
+if (x_538 == 0)
 {
-lean_object* x_539; lean_object* x_540; lean_object* x_541; size_t x_542; size_t x_543; lean_object* x_544; 
-x_539 = lean_ctor_get(x_538, 0);
-lean_inc(x_539);
-x_540 = lean_ctor_get(x_538, 1);
+lean_object* x_540; lean_object* x_541; lean_object* x_542; size_t x_543; size_t x_544; lean_object* x_545; 
+x_540 = lean_ctor_get(x_539, 0);
 lean_inc(x_540);
-lean_dec(x_538);
-x_541 = lean_array_get_size(x_3);
-x_542 = lean_usize_of_nat(x_541);
-lean_dec(x_541);
-x_543 = 0;
-x_544 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(x_1, x_542, x_543, x_3, x_5, x_6, x_540);
-lean_dec(x_1);
-if (lean_obj_tag(x_544) == 0)
-{
-uint8_t x_545; 
-x_545 = !lean_is_exclusive(x_544);
-if (x_545 == 0)
-{
-lean_object* x_546; lean_object* x_547; 
-x_546 = lean_ctor_get(x_544, 0);
-x_547 = l_Lean_mkAppN(x_539, x_546);
-lean_ctor_set(x_544, 0, x_547);
-return x_544;
-}
-else
-{
-lean_object* x_548; lean_object* x_549; lean_object* x_550; lean_object* x_551; 
-x_548 = lean_ctor_get(x_544, 0);
-x_549 = lean_ctor_get(x_544, 1);
-lean_inc(x_549);
-lean_inc(x_548);
-lean_dec(x_544);
-x_550 = l_Lean_mkAppN(x_539, x_548);
-x_551 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_551, 0, x_550);
-lean_ctor_set(x_551, 1, x_549);
-return x_551;
-}
-}
-else
-{
-uint8_t x_552; 
+x_541 = lean_ctor_get(x_539, 1);
+lean_inc(x_541);
 lean_dec(x_539);
-x_552 = !lean_is_exclusive(x_544);
-if (x_552 == 0)
+x_542 = lean_array_get_size(x_3);
+x_543 = lean_usize_of_nat(x_542);
+lean_dec(x_542);
+x_544 = 0;
+x_545 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__40___rarg(x_1, x_543, x_544, x_3, x_5, x_6, x_541);
+lean_dec(x_1);
+if (lean_obj_tag(x_545) == 0)
 {
-return x_544;
+uint8_t x_546; 
+x_546 = !lean_is_exclusive(x_545);
+if (x_546 == 0)
+{
+lean_object* x_547; lean_object* x_548; 
+x_547 = lean_ctor_get(x_545, 0);
+x_548 = l_Lean_mkAppN(x_540, x_547);
+lean_ctor_set(x_545, 0, x_548);
+return x_545;
 }
 else
 {
-lean_object* x_553; lean_object* x_554; lean_object* x_555; 
-x_553 = lean_ctor_get(x_544, 0);
-x_554 = lean_ctor_get(x_544, 1);
+lean_object* x_549; lean_object* x_550; lean_object* x_551; lean_object* x_552; 
+x_549 = lean_ctor_get(x_545, 0);
+x_550 = lean_ctor_get(x_545, 1);
+lean_inc(x_550);
+lean_inc(x_549);
+lean_dec(x_545);
+x_551 = l_Lean_mkAppN(x_540, x_549);
+x_552 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_552, 0, x_551);
+lean_ctor_set(x_552, 1, x_550);
+return x_552;
+}
+}
+else
+{
+uint8_t x_553; 
+lean_dec(x_540);
+x_553 = !lean_is_exclusive(x_545);
+if (x_553 == 0)
+{
+return x_545;
+}
+else
+{
+lean_object* x_554; lean_object* x_555; lean_object* x_556; 
+x_554 = lean_ctor_get(x_545, 0);
+x_555 = lean_ctor_get(x_545, 1);
+lean_inc(x_555);
 lean_inc(x_554);
-lean_inc(x_553);
-lean_dec(x_544);
-x_555 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_555, 0, x_553);
-lean_ctor_set(x_555, 1, x_554);
-return x_555;
+lean_dec(x_545);
+x_556 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_556, 0, x_554);
+lean_ctor_set(x_556, 1, x_555);
+return x_556;
 }
 }
 }
 else
 {
-lean_object* x_556; lean_object* x_557; uint8_t x_558; 
-x_556 = lean_ctor_get(x_538, 0);
-lean_inc(x_556);
-x_557 = lean_ctor_get(x_538, 1);
+lean_object* x_557; lean_object* x_558; uint8_t x_559; 
+x_557 = lean_ctor_get(x_539, 0);
 lean_inc(x_557);
-lean_dec(x_538);
-x_558 = l_Lean_Expr_isLambda(x_556);
-if (x_558 == 0)
+x_558 = lean_ctor_get(x_539, 1);
+lean_inc(x_558);
+lean_dec(x_539);
+x_559 = l_Lean_Expr_isLambda(x_557);
+if (x_559 == 0)
 {
-lean_object* x_559; size_t x_560; size_t x_561; lean_object* x_562; 
-x_559 = lean_array_get_size(x_3);
-x_560 = lean_usize_of_nat(x_559);
-lean_dec(x_559);
-x_561 = 0;
-x_562 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(x_1, x_560, x_561, x_3, x_5, x_6, x_557);
+lean_object* x_560; size_t x_561; size_t x_562; lean_object* x_563; 
+x_560 = lean_array_get_size(x_3);
+x_561 = lean_usize_of_nat(x_560);
+lean_dec(x_560);
+x_562 = 0;
+x_563 = l_Array_mapMUnsafe_map___at_Lean_instantiateMVarsCore___spec__41___rarg(x_1, x_561, x_562, x_3, x_5, x_6, x_558);
 lean_dec(x_1);
-if (lean_obj_tag(x_562) == 0)
+if (lean_obj_tag(x_563) == 0)
 {
-uint8_t x_563; 
-x_563 = !lean_is_exclusive(x_562);
-if (x_563 == 0)
+uint8_t x_564; 
+x_564 = !lean_is_exclusive(x_563);
+if (x_564 == 0)
 {
-lean_object* x_564; lean_object* x_565; 
-x_564 = lean_ctor_get(x_562, 0);
-x_565 = l_Lean_mkAppN(x_556, x_564);
-lean_ctor_set(x_562, 0, x_565);
-return x_562;
+lean_object* x_565; lean_object* x_566; 
+x_565 = lean_ctor_get(x_563, 0);
+x_566 = l_Lean_mkAppN(x_557, x_565);
+lean_ctor_set(x_563, 0, x_566);
+return x_563;
 }
 else
 {
-lean_object* x_566; lean_object* x_567; lean_object* x_568; lean_object* x_569; 
-x_566 = lean_ctor_get(x_562, 0);
-x_567 = lean_ctor_get(x_562, 1);
+lean_object* x_567; lean_object* x_568; lean_object* x_569; lean_object* x_570; 
+x_567 = lean_ctor_get(x_563, 0);
+x_568 = lean_ctor_get(x_563, 1);
+lean_inc(x_568);
 lean_inc(x_567);
-lean_inc(x_566);
-lean_dec(x_562);
-x_568 = l_Lean_mkAppN(x_556, x_566);
-x_569 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_569, 0, x_568);
-lean_ctor_set(x_569, 1, x_567);
-return x_569;
+lean_dec(x_563);
+x_569 = l_Lean_mkAppN(x_557, x_567);
+x_570 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_570, 0, x_569);
+lean_ctor_set(x_570, 1, x_568);
+return x_570;
 }
 }
 else
 {
-uint8_t x_570; 
-lean_dec(x_556);
-x_570 = !lean_is_exclusive(x_562);
-if (x_570 == 0)
+uint8_t x_571; 
+lean_dec(x_557);
+x_571 = !lean_is_exclusive(x_563);
+if (x_571 == 0)
 {
-return x_562;
+return x_563;
 }
 else
 {
-lean_object* x_571; lean_object* x_572; lean_object* x_573; 
-x_571 = lean_ctor_get(x_562, 0);
-x_572 = lean_ctor_get(x_562, 1);
+lean_object* x_572; lean_object* x_573; lean_object* x_574; 
+x_572 = lean_ctor_get(x_563, 0);
+x_573 = lean_ctor_get(x_563, 1);
+lean_inc(x_573);
 lean_inc(x_572);
-lean_inc(x_571);
-lean_dec(x_562);
-x_573 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_573, 0, x_571);
-lean_ctor_set(x_573, 1, x_572);
-return x_573;
+lean_dec(x_563);
+x_574 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_574, 0, x_572);
+lean_ctor_set(x_574, 1, x_573);
+return x_574;
 }
 }
 }
 else
 {
-lean_object* x_574; uint8_t x_575; lean_object* x_576; lean_object* x_577; 
+lean_object* x_575; uint8_t x_576; lean_object* x_577; lean_object* x_578; 
 lean_dec(x_1);
-x_574 = l_Array_reverse___rarg(x_3);
-x_575 = 0;
-x_576 = l_Lean_Expr_betaRev(x_556, x_574, x_575, x_575);
-lean_dec(x_574);
-x_577 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_576, x_5, x_6, x_557);
-return x_577;
+x_575 = l_Array_reverse___rarg(x_3);
+x_576 = 0;
+x_577 = l_Lean_Expr_betaRev(x_557, x_575, x_576, x_576);
+lean_dec(x_575);
+x_578 = l_Lean_instantiateExprMVars___at_Lean_instantiateMVarsCore___spec__2___rarg(x_577, x_5, x_6, x_558);
+return x_578;
 }
 }
 }
 else
 {
-uint8_t x_578; 
+uint8_t x_579; 
 lean_dec(x_3);
 lean_dec(x_1);
-x_578 = !lean_is_exclusive(x_538);
-if (x_578 == 0)
+x_579 = !lean_is_exclusive(x_539);
+if (x_579 == 0)
 {
-return x_538;
+return x_539;
 }
 else
 {
-lean_object* x_579; lean_object* x_580; lean_object* x_581; 
-x_579 = lean_ctor_get(x_538, 0);
-x_580 = lean_ctor_get(x_538, 1);
+lean_object* x_580; lean_object* x_581; lean_object* x_582; 
+x_580 = lean_ctor_get(x_539, 0);
+x_581 = lean_ctor_get(x_539, 1);
+lean_inc(x_581);
 lean_inc(x_580);
-lean_inc(x_579);
-lean_dec(x_538);
-x_581 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_581, 0, x_579);
-lean_ctor_set(x_581, 1, x_580);
-return x_581;
+lean_dec(x_539);
+x_582 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_582, 0, x_580);
+lean_ctor_set(x_582, 1, x_581);
+return x_582;
 }
 }
 }
@@ -55172,7 +54356,7 @@ _start:
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_1 = l_Lean_isLevelMVarAssignable___rarg___lambda__1___closed__1;
 x_2 = l_Lean_MetavarContext_getLevelDepth___closed__1;
-x_3 = lean_unsigned_to_nat(789u);
+x_3 = lean_unsigned_to_nat(785u);
 x_4 = lean_unsigned_to_nat(14u);
 x_5 = l_Lean_MetavarContext_getDecl___closed__2;
 x_6 = l___private_Init_Util_0__mkPanicMessageWithDecl(x_1, x_2, x_3, x_4, x_5);
@@ -73062,1484 +72246,6 @@ lean_dec(x_3);
 return x_6;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-uint8_t x_7; 
-x_7 = lean_usize_dec_lt(x_3, x_2);
-if (x_7 == 0)
-{
-lean_object* x_8; 
-lean_dec(x_5);
-lean_dec(x_1);
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_4);
-lean_ctor_set(x_8, 1, x_6);
-return x_8;
-}
-else
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_9 = lean_array_uget(x_4, x_3);
-x_10 = lean_unsigned_to_nat(0u);
-x_11 = lean_array_uset(x_4, x_3, x_10);
-lean_inc(x_5);
-lean_inc(x_1);
-x_12 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_visit(x_1, x_9, x_5, x_6);
-if (lean_obj_tag(x_12) == 0)
-{
-lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
-x_13 = lean_ctor_get(x_12, 0);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_12, 1);
-lean_inc(x_14);
-lean_dec(x_12);
-x_15 = 1;
-x_16 = lean_usize_add(x_3, x_15);
-x_17 = lean_array_uset(x_11, x_3, x_13);
-x_3 = x_16;
-x_4 = x_17;
-x_6 = x_14;
-goto _start;
-}
-else
-{
-uint8_t x_19; 
-lean_dec(x_11);
-lean_dec(x_5);
-lean_dec(x_1);
-x_19 = !lean_is_exclusive(x_12);
-if (x_19 == 0)
-{
-return x_12;
-}
-else
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; 
-x_20 = lean_ctor_get(x_12, 0);
-x_21 = lean_ctor_get(x_12, 1);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_dec(x_12);
-x_22 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_22, 0, x_20);
-lean_ctor_set(x_22, 1, x_21);
-return x_22;
-}
-}
-}
-}
-}
-LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
-_start:
-{
-uint8_t x_5; 
-x_5 = lean_usize_dec_eq(x_3, x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; lean_object* x_7; uint8_t x_8; 
-x_6 = lean_array_uget(x_2, x_3);
-x_7 = lean_ctor_get(x_1, 1);
-x_8 = lean_expr_eqv(x_7, x_6);
-lean_dec(x_6);
-if (x_8 == 0)
-{
-size_t x_9; size_t x_10; 
-x_9 = 1;
-x_10 = lean_usize_add(x_3, x_9);
-x_3 = x_10;
-goto _start;
-}
-else
-{
-uint8_t x_12; 
-x_12 = 1;
-return x_12;
-}
-}
-else
-{
-uint8_t x_13; 
-x_13 = 0;
-return x_13;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-uint8_t x_5; 
-x_5 = !lean_is_exclusive(x_4);
-if (x_5 == 0)
-{
-lean_object* x_6; uint8_t x_7; 
-x_6 = lean_ctor_get(x_4, 0);
-x_7 = !lean_is_exclusive(x_6);
-if (x_7 == 0)
-{
-lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
-x_8 = lean_ctor_get(x_6, 6);
-x_9 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_8, x_1, x_2);
-x_10 = 1;
-lean_ctor_set(x_6, 6, x_9);
-lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_10);
-x_11 = lean_box(0);
-x_12 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_12, 0, x_11);
-lean_ctor_set(x_12, 1, x_4);
-return x_12;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
-x_13 = lean_ctor_get(x_6, 0);
-x_14 = lean_ctor_get(x_6, 1);
-x_15 = lean_ctor_get(x_6, 2);
-x_16 = lean_ctor_get(x_6, 3);
-x_17 = lean_ctor_get(x_6, 4);
-x_18 = lean_ctor_get(x_6, 5);
-x_19 = lean_ctor_get(x_6, 6);
-x_20 = lean_ctor_get(x_6, 7);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_inc(x_15);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_6);
-x_21 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_19, x_1, x_2);
-x_22 = 1;
-x_23 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_23, 0, x_13);
-lean_ctor_set(x_23, 1, x_14);
-lean_ctor_set(x_23, 2, x_15);
-lean_ctor_set(x_23, 3, x_16);
-lean_ctor_set(x_23, 4, x_17);
-lean_ctor_set(x_23, 5, x_18);
-lean_ctor_set(x_23, 6, x_21);
-lean_ctor_set(x_23, 7, x_20);
-lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_22);
-lean_ctor_set(x_4, 0, x_23);
-x_24 = lean_box(0);
-x_25 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_25, 0, x_24);
-lean_ctor_set(x_25, 1, x_4);
-return x_25;
-}
-}
-else
-{
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
-x_26 = lean_ctor_get(x_4, 0);
-x_27 = lean_ctor_get(x_4, 1);
-x_28 = lean_ctor_get(x_4, 2);
-x_29 = lean_ctor_get(x_4, 3);
-lean_inc(x_29);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_dec(x_4);
-x_30 = lean_ctor_get(x_26, 0);
-lean_inc(x_30);
-x_31 = lean_ctor_get(x_26, 1);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_26, 2);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_26, 3);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_26, 4);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_26, 5);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_26, 6);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_26, 7);
-lean_inc(x_37);
-if (lean_is_exclusive(x_26)) {
- lean_ctor_release(x_26, 0);
- lean_ctor_release(x_26, 1);
- lean_ctor_release(x_26, 2);
- lean_ctor_release(x_26, 3);
- lean_ctor_release(x_26, 4);
- lean_ctor_release(x_26, 5);
- lean_ctor_release(x_26, 6);
- lean_ctor_release(x_26, 7);
- x_38 = x_26;
-} else {
- lean_dec_ref(x_26);
- x_38 = lean_box(0);
-}
-x_39 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_36, x_1, x_2);
-x_40 = 1;
-if (lean_is_scalar(x_38)) {
- x_41 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_41 = x_38;
-}
-lean_ctor_set(x_41, 0, x_30);
-lean_ctor_set(x_41, 1, x_31);
-lean_ctor_set(x_41, 2, x_32);
-lean_ctor_set(x_41, 3, x_33);
-lean_ctor_set(x_41, 4, x_34);
-lean_ctor_set(x_41, 5, x_35);
-lean_ctor_set(x_41, 6, x_39);
-lean_ctor_set(x_41, 7, x_37);
-lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_40);
-x_42 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_42, 0, x_41);
-lean_ctor_set(x_42, 1, x_27);
-lean_ctor_set(x_42, 2, x_28);
-lean_ctor_set(x_42, 3, x_29);
-x_43 = lean_box(0);
-x_44 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_44, 0, x_43);
-lean_ctor_set(x_44, 1, x_42);
-return x_44;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; 
-x_6 = !lean_is_exclusive(x_5);
-if (x_6 == 0)
-{
-lean_object* x_7; uint8_t x_8; 
-x_7 = lean_ctor_get(x_5, 0);
-x_8 = !lean_is_exclusive(x_7);
-if (x_8 == 0)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; 
-x_9 = lean_ctor_get(x_7, 7);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_2);
-lean_ctor_set(x_10, 1, x_3);
-x_11 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_9, x_1, x_10);
-x_12 = 1;
-lean_ctor_set(x_7, 7, x_11);
-lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
-x_13 = lean_box(0);
-x_14 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_14, 0, x_13);
-lean_ctor_set(x_14, 1, x_5);
-return x_14;
-}
-else
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_15 = lean_ctor_get(x_7, 0);
-x_16 = lean_ctor_get(x_7, 1);
-x_17 = lean_ctor_get(x_7, 2);
-x_18 = lean_ctor_get(x_7, 3);
-x_19 = lean_ctor_get(x_7, 4);
-x_20 = lean_ctor_get(x_7, 5);
-x_21 = lean_ctor_get(x_7, 6);
-x_22 = lean_ctor_get(x_7, 7);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_inc(x_16);
-lean_inc(x_15);
-lean_dec(x_7);
-x_23 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_23, 0, x_2);
-lean_ctor_set(x_23, 1, x_3);
-x_24 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_22, x_1, x_23);
-x_25 = 1;
-x_26 = lean_alloc_ctor(0, 8, 1);
-lean_ctor_set(x_26, 0, x_15);
-lean_ctor_set(x_26, 1, x_16);
-lean_ctor_set(x_26, 2, x_17);
-lean_ctor_set(x_26, 3, x_18);
-lean_ctor_set(x_26, 4, x_19);
-lean_ctor_set(x_26, 5, x_20);
-lean_ctor_set(x_26, 6, x_21);
-lean_ctor_set(x_26, 7, x_24);
-lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_25);
-lean_ctor_set(x_5, 0, x_26);
-x_27 = lean_box(0);
-x_28 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_28, 0, x_27);
-lean_ctor_set(x_28, 1, x_5);
-return x_28;
-}
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_29 = lean_ctor_get(x_5, 0);
-x_30 = lean_ctor_get(x_5, 1);
-x_31 = lean_ctor_get(x_5, 2);
-x_32 = lean_ctor_get(x_5, 3);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
-lean_inc(x_29);
-lean_dec(x_5);
-x_33 = lean_ctor_get(x_29, 0);
-lean_inc(x_33);
-x_34 = lean_ctor_get(x_29, 1);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_29, 2);
-lean_inc(x_35);
-x_36 = lean_ctor_get(x_29, 3);
-lean_inc(x_36);
-x_37 = lean_ctor_get(x_29, 4);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_29, 5);
-lean_inc(x_38);
-x_39 = lean_ctor_get(x_29, 6);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_29, 7);
-lean_inc(x_40);
-if (lean_is_exclusive(x_29)) {
- lean_ctor_release(x_29, 0);
- lean_ctor_release(x_29, 1);
- lean_ctor_release(x_29, 2);
- lean_ctor_release(x_29, 3);
- lean_ctor_release(x_29, 4);
- lean_ctor_release(x_29, 5);
- lean_ctor_release(x_29, 6);
- lean_ctor_release(x_29, 7);
- x_41 = x_29;
-} else {
- lean_dec_ref(x_29);
- x_41 = lean_box(0);
-}
-x_42 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_42, 0, x_2);
-lean_ctor_set(x_42, 1, x_3);
-x_43 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_40, x_1, x_42);
-x_44 = 1;
-if (lean_is_scalar(x_41)) {
- x_45 = lean_alloc_ctor(0, 8, 1);
-} else {
- x_45 = x_41;
-}
-lean_ctor_set(x_45, 0, x_33);
-lean_ctor_set(x_45, 1, x_34);
-lean_ctor_set(x_45, 2, x_35);
-lean_ctor_set(x_45, 3, x_36);
-lean_ctor_set(x_45, 4, x_37);
-lean_ctor_set(x_45, 5, x_38);
-lean_ctor_set(x_45, 6, x_39);
-lean_ctor_set(x_45, 7, x_43);
-lean_ctor_set_uint8(x_45, sizeof(void*)*8, x_44);
-x_46 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_46, 0, x_45);
-lean_ctor_set(x_46, 1, x_30);
-lean_ctor_set(x_46, 2, x_31);
-lean_ctor_set(x_46, 3, x_32);
-x_47 = lean_box(0);
-x_48 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_48, 0, x_47);
-lean_ctor_set(x_48, 1, x_46);
-return x_48;
-}
-}
-}
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5(size_t x_1, lean_object* x_2, lean_object* x_3, size_t x_4, size_t x_5, lean_object* x_6) {
-_start:
-{
-uint8_t x_7; 
-x_7 = lean_usize_dec_eq(x_4, x_5);
-if (x_7 == 0)
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; uint8_t x_11; size_t x_12; size_t x_13; 
-x_8 = lean_array_uget(x_3, x_4);
-x_9 = lean_array_get_size(x_2);
-x_10 = lean_unsigned_to_nat(0u);
-x_11 = lean_nat_dec_lt(x_10, x_9);
-x_12 = 1;
-x_13 = lean_usize_add(x_4, x_12);
-if (x_11 == 0)
-{
-lean_object* x_14; 
-lean_dec(x_9);
-x_14 = lean_array_push(x_6, x_8);
-x_4 = x_13;
-x_6 = x_14;
-goto _start;
-}
-else
-{
-uint8_t x_16; 
-x_16 = lean_nat_dec_le(x_9, x_9);
-if (x_16 == 0)
-{
-lean_object* x_17; 
-lean_dec(x_9);
-x_17 = lean_array_push(x_6, x_8);
-x_4 = x_13;
-x_6 = x_17;
-goto _start;
-}
-else
-{
-size_t x_19; uint8_t x_20; 
-x_19 = lean_usize_of_nat(x_9);
-lean_dec(x_9);
-x_20 = l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2(x_8, x_2, x_1, x_19);
-if (x_20 == 0)
-{
-lean_object* x_21; 
-x_21 = lean_array_push(x_6, x_8);
-x_4 = x_13;
-x_6 = x_21;
-goto _start;
-}
-else
-{
-lean_dec(x_8);
-x_4 = x_13;
-goto _start;
-}
-}
-}
-}
-else
-{
-return x_6;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_7 = l_Lean_mkAppN(x_1, x_2);
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_7);
-lean_ctor_set(x_8, 1, x_3);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_8);
-lean_ctor_set(x_9, 1, x_6);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, uint8_t x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-lean_object* x_11; size_t x_12; size_t x_13; lean_object* x_14; 
-x_11 = lean_array_get_size(x_3);
-x_12 = lean_usize_of_nat(x_11);
-lean_dec(x_11);
-x_13 = 0;
-lean_inc(x_9);
-x_14 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1(x_1, x_12, x_13, x_3, x_9, x_10);
-if (lean_obj_tag(x_14) == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_14, 0);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-lean_dec(x_14);
-lean_inc(x_9);
-lean_inc(x_5);
-x_17 = l_Lean_MetavarContext_MkBinding_collectForwardDeps(x_5, x_6, x_9, x_16);
-if (lean_obj_tag(x_17) == 0)
-{
-lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; lean_object* x_25; uint8_t x_26; 
-x_18 = lean_ctor_get(x_17, 0);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_17, 1);
-lean_inc(x_19);
-lean_dec(x_17);
-lean_inc(x_18);
-lean_inc(x_5);
-x_20 = l_Lean_MetavarContext_MkBinding_reduceLocalContext(x_5, x_18);
-x_21 = lean_ctor_get(x_4, 4);
-lean_inc(x_21);
-x_22 = lean_array_get_size(x_21);
-x_23 = lean_unsigned_to_nat(0u);
-x_24 = lean_nat_dec_lt(x_23, x_22);
-x_25 = lean_ctor_get(x_4, 2);
-lean_inc(x_25);
-x_26 = !lean_is_exclusive(x_19);
-if (x_26 == 0)
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; 
-x_27 = lean_ctor_get(x_19, 3);
-x_28 = l_Lean_MetavarContext_MkBinding_State_cache___default___closed__1;
-lean_ctor_set(x_19, 3, x_28);
-lean_inc(x_9);
-lean_inc(x_18);
-lean_inc(x_5);
-x_29 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_5, x_18, x_7, x_25, x_9, x_19);
-if (x_24 == 0)
-{
-lean_object* x_122; 
-lean_dec(x_22);
-lean_dec(x_21);
-x_122 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_30 = x_122;
-goto block_121;
-}
-else
-{
-uint8_t x_123; 
-x_123 = lean_nat_dec_le(x_22, x_22);
-if (x_123 == 0)
-{
-lean_object* x_124; 
-lean_dec(x_22);
-lean_dec(x_21);
-x_124 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_30 = x_124;
-goto block_121;
-}
-else
-{
-size_t x_125; lean_object* x_126; lean_object* x_127; 
-x_125 = lean_usize_of_nat(x_22);
-lean_dec(x_22);
-x_126 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_127 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5(x_13, x_18, x_21, x_13, x_125, x_126);
-lean_dec(x_21);
-x_30 = x_127;
-goto block_121;
-}
-}
-block_121:
-{
-if (lean_obj_tag(x_29) == 0)
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_31 = lean_ctor_get(x_29, 1);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_31, 2);
-lean_inc(x_32);
-x_33 = lean_ctor_get(x_29, 0);
-lean_inc(x_33);
-lean_dec(x_29);
-x_34 = !lean_is_exclusive(x_31);
-if (x_34 == 0)
-{
-lean_object* x_35; lean_object* x_36; lean_object* x_37; uint8_t x_38; 
-x_35 = lean_ctor_get(x_31, 0);
-x_36 = lean_ctor_get(x_31, 3);
-lean_dec(x_36);
-x_37 = lean_ctor_get(x_31, 2);
-lean_dec(x_37);
-x_38 = !lean_is_exclusive(x_32);
-if (x_38 == 0)
-{
-lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_39 = lean_ctor_get(x_32, 0);
-x_40 = lean_ctor_get(x_32, 1);
-lean_inc(x_40);
-lean_inc(x_39);
-x_41 = lean_name_mk_numeral(x_39, x_40);
-lean_inc(x_41);
-x_42 = l_Lean_mkMVar(x_41);
-x_43 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_5, x_42, x_18, x_7);
-x_44 = lean_ctor_get(x_4, 5);
-lean_inc(x_44);
-lean_dec(x_4);
-x_45 = l_Lean_Expr_getAppNumArgsAux(x_43, x_23);
-x_46 = lean_nat_add(x_44, x_45);
-lean_dec(x_45);
-lean_dec(x_44);
-x_47 = lean_box(0);
-lean_inc(x_41);
-x_48 = l_Lean_MetavarContext_addExprMVarDecl(x_35, x_41, x_47, x_20, x_30, x_33, x_7, x_46);
-x_49 = lean_unsigned_to_nat(1u);
-x_50 = lean_nat_add(x_40, x_49);
-lean_dec(x_40);
-lean_ctor_set(x_32, 1, x_50);
-lean_ctor_set(x_31, 3, x_27);
-lean_ctor_set(x_31, 0, x_48);
-x_51 = lean_box(x_7);
-if (lean_obj_tag(x_51) == 2)
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-lean_inc(x_8);
-lean_inc(x_18);
-x_52 = l_Array_append___rarg(x_18, x_8);
-x_53 = l_Lean_mkMVar(x_2);
-x_54 = l_Lean_mkAppN(x_53, x_8);
-x_55 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(x_41, x_52, x_54, x_9, x_31);
-x_56 = lean_ctor_get(x_55, 0);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_55, 1);
-lean_inc(x_57);
-lean_dec(x_55);
-x_58 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_43, x_15, x_18, x_56, x_9, x_57);
-lean_dec(x_9);
-lean_dec(x_56);
-return x_58;
-}
-else
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
-lean_dec(x_51);
-lean_dec(x_41);
-lean_dec(x_8);
-lean_inc(x_43);
-x_59 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(x_2, x_43, x_9, x_31);
-x_60 = lean_ctor_get(x_59, 0);
-lean_inc(x_60);
-x_61 = lean_ctor_get(x_59, 1);
-lean_inc(x_61);
-lean_dec(x_59);
-x_62 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_43, x_15, x_18, x_60, x_9, x_61);
-lean_dec(x_9);
-lean_dec(x_60);
-return x_62;
-}
-}
-else
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_63 = lean_ctor_get(x_32, 0);
-x_64 = lean_ctor_get(x_32, 1);
-lean_inc(x_64);
-lean_inc(x_63);
-lean_dec(x_32);
-lean_inc(x_64);
-lean_inc(x_63);
-x_65 = lean_name_mk_numeral(x_63, x_64);
-lean_inc(x_65);
-x_66 = l_Lean_mkMVar(x_65);
-x_67 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_5, x_66, x_18, x_7);
-x_68 = lean_ctor_get(x_4, 5);
-lean_inc(x_68);
-lean_dec(x_4);
-x_69 = l_Lean_Expr_getAppNumArgsAux(x_67, x_23);
-x_70 = lean_nat_add(x_68, x_69);
-lean_dec(x_69);
-lean_dec(x_68);
-x_71 = lean_box(0);
-lean_inc(x_65);
-x_72 = l_Lean_MetavarContext_addExprMVarDecl(x_35, x_65, x_71, x_20, x_30, x_33, x_7, x_70);
-x_73 = lean_unsigned_to_nat(1u);
-x_74 = lean_nat_add(x_64, x_73);
-lean_dec(x_64);
-x_75 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_75, 0, x_63);
-lean_ctor_set(x_75, 1, x_74);
-lean_ctor_set(x_31, 3, x_27);
-lean_ctor_set(x_31, 2, x_75);
-lean_ctor_set(x_31, 0, x_72);
-x_76 = lean_box(x_7);
-if (lean_obj_tag(x_76) == 2)
-{
-lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; 
-lean_inc(x_8);
-lean_inc(x_18);
-x_77 = l_Array_append___rarg(x_18, x_8);
-x_78 = l_Lean_mkMVar(x_2);
-x_79 = l_Lean_mkAppN(x_78, x_8);
-x_80 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(x_65, x_77, x_79, x_9, x_31);
-x_81 = lean_ctor_get(x_80, 0);
-lean_inc(x_81);
-x_82 = lean_ctor_get(x_80, 1);
-lean_inc(x_82);
-lean_dec(x_80);
-x_83 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_67, x_15, x_18, x_81, x_9, x_82);
-lean_dec(x_9);
-lean_dec(x_81);
-return x_83;
-}
-else
-{
-lean_object* x_84; lean_object* x_85; lean_object* x_86; lean_object* x_87; 
-lean_dec(x_76);
-lean_dec(x_65);
-lean_dec(x_8);
-lean_inc(x_67);
-x_84 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(x_2, x_67, x_9, x_31);
-x_85 = lean_ctor_get(x_84, 0);
-lean_inc(x_85);
-x_86 = lean_ctor_get(x_84, 1);
-lean_inc(x_86);
-lean_dec(x_84);
-x_87 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_67, x_15, x_18, x_85, x_9, x_86);
-lean_dec(x_9);
-lean_dec(x_85);
-return x_87;
-}
-}
-}
-else
-{
-lean_object* x_88; lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
-x_88 = lean_ctor_get(x_31, 0);
-x_89 = lean_ctor_get(x_31, 1);
-lean_inc(x_89);
-lean_inc(x_88);
-lean_dec(x_31);
-x_90 = lean_ctor_get(x_32, 0);
-lean_inc(x_90);
-x_91 = lean_ctor_get(x_32, 1);
-lean_inc(x_91);
-if (lean_is_exclusive(x_32)) {
- lean_ctor_release(x_32, 0);
- lean_ctor_release(x_32, 1);
- x_92 = x_32;
-} else {
- lean_dec_ref(x_32);
- x_92 = lean_box(0);
-}
-lean_inc(x_91);
-lean_inc(x_90);
-x_93 = lean_name_mk_numeral(x_90, x_91);
-lean_inc(x_93);
-x_94 = l_Lean_mkMVar(x_93);
-x_95 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_5, x_94, x_18, x_7);
-x_96 = lean_ctor_get(x_4, 5);
-lean_inc(x_96);
-lean_dec(x_4);
-x_97 = l_Lean_Expr_getAppNumArgsAux(x_95, x_23);
-x_98 = lean_nat_add(x_96, x_97);
-lean_dec(x_97);
-lean_dec(x_96);
-x_99 = lean_box(0);
-lean_inc(x_93);
-x_100 = l_Lean_MetavarContext_addExprMVarDecl(x_88, x_93, x_99, x_20, x_30, x_33, x_7, x_98);
-x_101 = lean_unsigned_to_nat(1u);
-x_102 = lean_nat_add(x_91, x_101);
-lean_dec(x_91);
-if (lean_is_scalar(x_92)) {
- x_103 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_103 = x_92;
-}
-lean_ctor_set(x_103, 0, x_90);
-lean_ctor_set(x_103, 1, x_102);
-x_104 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_104, 0, x_100);
-lean_ctor_set(x_104, 1, x_89);
-lean_ctor_set(x_104, 2, x_103);
-lean_ctor_set(x_104, 3, x_27);
-x_105 = lean_box(x_7);
-if (lean_obj_tag(x_105) == 2)
-{
-lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; 
-lean_inc(x_8);
-lean_inc(x_18);
-x_106 = l_Array_append___rarg(x_18, x_8);
-x_107 = l_Lean_mkMVar(x_2);
-x_108 = l_Lean_mkAppN(x_107, x_8);
-x_109 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(x_93, x_106, x_108, x_9, x_104);
-x_110 = lean_ctor_get(x_109, 0);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_109, 1);
-lean_inc(x_111);
-lean_dec(x_109);
-x_112 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_95, x_15, x_18, x_110, x_9, x_111);
-lean_dec(x_9);
-lean_dec(x_110);
-return x_112;
-}
-else
-{
-lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; 
-lean_dec(x_105);
-lean_dec(x_93);
-lean_dec(x_8);
-lean_inc(x_95);
-x_113 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(x_2, x_95, x_9, x_104);
-x_114 = lean_ctor_get(x_113, 0);
-lean_inc(x_114);
-x_115 = lean_ctor_get(x_113, 1);
-lean_inc(x_115);
-lean_dec(x_113);
-x_116 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_95, x_15, x_18, x_114, x_9, x_115);
-lean_dec(x_9);
-lean_dec(x_114);
-return x_116;
-}
-}
-}
-else
-{
-uint8_t x_117; 
-lean_dec(x_30);
-lean_dec(x_27);
-lean_dec(x_20);
-lean_dec(x_18);
-lean_dec(x_15);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_117 = !lean_is_exclusive(x_29);
-if (x_117 == 0)
-{
-return x_29;
-}
-else
-{
-lean_object* x_118; lean_object* x_119; lean_object* x_120; 
-x_118 = lean_ctor_get(x_29, 0);
-x_119 = lean_ctor_get(x_29, 1);
-lean_inc(x_119);
-lean_inc(x_118);
-lean_dec(x_29);
-x_120 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_120, 0, x_118);
-lean_ctor_set(x_120, 1, x_119);
-return x_120;
-}
-}
-}
-}
-else
-{
-lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; lean_object* x_135; 
-x_128 = lean_ctor_get(x_19, 0);
-x_129 = lean_ctor_get(x_19, 1);
-x_130 = lean_ctor_get(x_19, 2);
-x_131 = lean_ctor_get(x_19, 3);
-lean_inc(x_131);
-lean_inc(x_130);
-lean_inc(x_129);
-lean_inc(x_128);
-lean_dec(x_19);
-x_132 = l_Lean_MetavarContext_MkBinding_State_cache___default___closed__1;
-x_133 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_133, 0, x_128);
-lean_ctor_set(x_133, 1, x_129);
-lean_ctor_set(x_133, 2, x_130);
-lean_ctor_set(x_133, 3, x_132);
-lean_inc(x_9);
-lean_inc(x_18);
-lean_inc(x_5);
-x_134 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_5, x_18, x_7, x_25, x_9, x_133);
-if (x_24 == 0)
-{
-lean_object* x_174; 
-lean_dec(x_22);
-lean_dec(x_21);
-x_174 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_135 = x_174;
-goto block_173;
-}
-else
-{
-uint8_t x_175; 
-x_175 = lean_nat_dec_le(x_22, x_22);
-if (x_175 == 0)
-{
-lean_object* x_176; 
-lean_dec(x_22);
-lean_dec(x_21);
-x_176 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_135 = x_176;
-goto block_173;
-}
-else
-{
-size_t x_177; lean_object* x_178; lean_object* x_179; 
-x_177 = lean_usize_of_nat(x_22);
-lean_dec(x_22);
-x_178 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_179 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5(x_13, x_18, x_21, x_13, x_177, x_178);
-lean_dec(x_21);
-x_135 = x_179;
-goto block_173;
-}
-}
-block_173:
-{
-if (lean_obj_tag(x_134) == 0)
-{
-lean_object* x_136; lean_object* x_137; lean_object* x_138; lean_object* x_139; lean_object* x_140; lean_object* x_141; lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; lean_object* x_146; lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; 
-x_136 = lean_ctor_get(x_134, 1);
-lean_inc(x_136);
-x_137 = lean_ctor_get(x_136, 2);
-lean_inc(x_137);
-x_138 = lean_ctor_get(x_134, 0);
-lean_inc(x_138);
-lean_dec(x_134);
-x_139 = lean_ctor_get(x_136, 0);
-lean_inc(x_139);
-x_140 = lean_ctor_get(x_136, 1);
-lean_inc(x_140);
-if (lean_is_exclusive(x_136)) {
- lean_ctor_release(x_136, 0);
- lean_ctor_release(x_136, 1);
- lean_ctor_release(x_136, 2);
- lean_ctor_release(x_136, 3);
- x_141 = x_136;
-} else {
- lean_dec_ref(x_136);
- x_141 = lean_box(0);
-}
-x_142 = lean_ctor_get(x_137, 0);
-lean_inc(x_142);
-x_143 = lean_ctor_get(x_137, 1);
-lean_inc(x_143);
-if (lean_is_exclusive(x_137)) {
- lean_ctor_release(x_137, 0);
- lean_ctor_release(x_137, 1);
- x_144 = x_137;
-} else {
- lean_dec_ref(x_137);
- x_144 = lean_box(0);
-}
-lean_inc(x_143);
-lean_inc(x_142);
-x_145 = lean_name_mk_numeral(x_142, x_143);
-lean_inc(x_145);
-x_146 = l_Lean_mkMVar(x_145);
-x_147 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_5, x_146, x_18, x_7);
-x_148 = lean_ctor_get(x_4, 5);
-lean_inc(x_148);
-lean_dec(x_4);
-x_149 = l_Lean_Expr_getAppNumArgsAux(x_147, x_23);
-x_150 = lean_nat_add(x_148, x_149);
-lean_dec(x_149);
-lean_dec(x_148);
-x_151 = lean_box(0);
-lean_inc(x_145);
-x_152 = l_Lean_MetavarContext_addExprMVarDecl(x_139, x_145, x_151, x_20, x_135, x_138, x_7, x_150);
-x_153 = lean_unsigned_to_nat(1u);
-x_154 = lean_nat_add(x_143, x_153);
-lean_dec(x_143);
-if (lean_is_scalar(x_144)) {
- x_155 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_155 = x_144;
-}
-lean_ctor_set(x_155, 0, x_142);
-lean_ctor_set(x_155, 1, x_154);
-if (lean_is_scalar(x_141)) {
- x_156 = lean_alloc_ctor(0, 4, 0);
-} else {
- x_156 = x_141;
-}
-lean_ctor_set(x_156, 0, x_152);
-lean_ctor_set(x_156, 1, x_140);
-lean_ctor_set(x_156, 2, x_155);
-lean_ctor_set(x_156, 3, x_131);
-x_157 = lean_box(x_7);
-if (lean_obj_tag(x_157) == 2)
-{
-lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; 
-lean_inc(x_8);
-lean_inc(x_18);
-x_158 = l_Array_append___rarg(x_18, x_8);
-x_159 = l_Lean_mkMVar(x_2);
-x_160 = l_Lean_mkAppN(x_159, x_8);
-x_161 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(x_145, x_158, x_160, x_9, x_156);
-x_162 = lean_ctor_get(x_161, 0);
-lean_inc(x_162);
-x_163 = lean_ctor_get(x_161, 1);
-lean_inc(x_163);
-lean_dec(x_161);
-x_164 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_147, x_15, x_18, x_162, x_9, x_163);
-lean_dec(x_9);
-lean_dec(x_162);
-return x_164;
-}
-else
-{
-lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; 
-lean_dec(x_157);
-lean_dec(x_145);
-lean_dec(x_8);
-lean_inc(x_147);
-x_165 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(x_2, x_147, x_9, x_156);
-x_166 = lean_ctor_get(x_165, 0);
-lean_inc(x_166);
-x_167 = lean_ctor_get(x_165, 1);
-lean_inc(x_167);
-lean_dec(x_165);
-x_168 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_147, x_15, x_18, x_166, x_9, x_167);
-lean_dec(x_9);
-lean_dec(x_166);
-return x_168;
-}
-}
-else
-{
-lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; 
-lean_dec(x_135);
-lean_dec(x_131);
-lean_dec(x_20);
-lean_dec(x_18);
-lean_dec(x_15);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_169 = lean_ctor_get(x_134, 0);
-lean_inc(x_169);
-x_170 = lean_ctor_get(x_134, 1);
-lean_inc(x_170);
-if (lean_is_exclusive(x_134)) {
- lean_ctor_release(x_134, 0);
- lean_ctor_release(x_134, 1);
- x_171 = x_134;
-} else {
- lean_dec_ref(x_134);
- x_171 = lean_box(0);
-}
-if (lean_is_scalar(x_171)) {
- x_172 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_172 = x_171;
-}
-lean_ctor_set(x_172, 0, x_169);
-lean_ctor_set(x_172, 1, x_170);
-return x_172;
-}
-}
-}
-}
-else
-{
-uint8_t x_180; 
-lean_dec(x_15);
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_180 = !lean_is_exclusive(x_17);
-if (x_180 == 0)
-{
-return x_17;
-}
-else
-{
-lean_object* x_181; lean_object* x_182; lean_object* x_183; 
-x_181 = lean_ctor_get(x_17, 0);
-x_182 = lean_ctor_get(x_17, 1);
-lean_inc(x_182);
-lean_inc(x_181);
-lean_dec(x_17);
-x_183 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_183, 0, x_181);
-lean_ctor_set(x_183, 1, x_182);
-return x_183;
-}
-}
-}
-else
-{
-uint8_t x_184; 
-lean_dec(x_9);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_184 = !lean_is_exclusive(x_14);
-if (x_184 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_185; lean_object* x_186; lean_object* x_187; 
-x_185 = lean_ctor_get(x_14, 0);
-x_186 = lean_ctor_get(x_14, 1);
-lean_inc(x_186);
-lean_inc(x_185);
-lean_dec(x_14);
-x_187 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_187, 0, x_185);
-lean_ctor_set(x_187, 1, x_186);
-return x_187;
-}
-}
-}
-}
-LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-uint8_t x_6; lean_object* x_7; lean_object* x_8; 
-x_6 = lean_ctor_get_uint8(x_4, sizeof(void*)*2 + 1);
-x_7 = l_Lean_mkForall(x_3, x_6, x_1, x_2);
-x_8 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_8, 0, x_7);
-lean_ctor_set(x_8, 1, x_5);
-return x_8;
-}
-}
-static lean_object* _init_l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string_from_bytes("x", 1);
-return x_1;
-}
-}
-static lean_object* _init_l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-lean_object* x_8; uint8_t x_9; 
-x_8 = lean_unsigned_to_nat(0u);
-x_9 = lean_nat_dec_eq(x_4, x_8);
-if (x_9 == 0)
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
-x_10 = lean_unsigned_to_nat(1u);
-x_11 = lean_nat_sub(x_4, x_10);
-lean_dec(x_4);
-x_12 = l_Lean_instInhabitedExpr;
-x_13 = lean_array_get(x_12, x_2, x_11);
-x_14 = l_Lean_Expr_isFVar(x_13);
-if (x_14 == 0)
-{
-lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
-x_15 = lean_ctor_get(x_7, 0);
-lean_inc(x_15);
-x_16 = l_Lean_Expr_mvarId_x21(x_13);
-lean_dec(x_13);
-x_17 = l_Lean_MetavarContext_getDecl(x_15, x_16);
-x_18 = lean_ctor_get(x_17, 2);
-lean_inc(x_18);
-x_19 = l_Lean_Expr_headBeta(x_18);
-lean_inc(x_6);
-lean_inc(x_2);
-x_20 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_19, x_6, x_7);
-if (lean_obj_tag(x_20) == 0)
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
-x_21 = lean_ctor_get(x_20, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_20, 1);
-lean_inc(x_22);
-lean_dec(x_20);
-x_23 = lean_ctor_get(x_17, 0);
-lean_inc(x_23);
-lean_dec(x_17);
-x_24 = l_Lean_Name_isAnonymous(x_23);
-if (x_24 == 0)
-{
-lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_25 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_21, x_5, x_23, x_6, x_22);
-x_26 = lean_ctor_get(x_25, 0);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_25, 1);
-lean_inc(x_27);
-lean_dec(x_25);
-x_4 = x_11;
-x_5 = x_26;
-x_7 = x_27;
-goto _start;
-}
-else
-{
-lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
-lean_dec(x_23);
-x_29 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__2;
-lean_inc(x_6);
-x_30 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkFreshBinderName(x_29, x_6, x_22);
-x_31 = lean_ctor_get(x_30, 0);
-lean_inc(x_31);
-x_32 = lean_ctor_get(x_30, 1);
-lean_inc(x_32);
-lean_dec(x_30);
-x_33 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_21, x_5, x_31, x_6, x_32);
-x_34 = lean_ctor_get(x_33, 0);
-lean_inc(x_34);
-x_35 = lean_ctor_get(x_33, 1);
-lean_inc(x_35);
-lean_dec(x_33);
-x_4 = x_11;
-x_5 = x_34;
-x_7 = x_35;
-goto _start;
-}
-}
-else
-{
-uint8_t x_37; 
-lean_dec(x_17);
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_37 = !lean_is_exclusive(x_20);
-if (x_37 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; 
-x_38 = lean_ctor_get(x_20, 0);
-x_39 = lean_ctor_get(x_20, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_20);
-x_40 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_40, 0, x_38);
-lean_ctor_set(x_40, 1, x_39);
-return x_40;
-}
-}
-}
-else
-{
-lean_object* x_41; 
-lean_inc(x_1);
-x_41 = l_Lean_LocalContext_getFVar_x21(x_1, x_13);
-if (lean_obj_tag(x_41) == 0)
-{
-lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; 
-x_42 = lean_ctor_get(x_41, 2);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_41, 3);
-lean_inc(x_43);
-x_44 = lean_ctor_get_uint8(x_41, sizeof(void*)*4);
-lean_dec(x_41);
-x_45 = l_Lean_Expr_headBeta(x_43);
-lean_inc(x_6);
-lean_inc(x_2);
-x_46 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_45, x_6, x_7);
-if (lean_obj_tag(x_46) == 0)
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_46, 0);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_46, 1);
-lean_inc(x_48);
-lean_dec(x_46);
-x_49 = l_Lean_mkForall(x_42, x_44, x_47, x_5);
-x_4 = x_11;
-x_5 = x_49;
-x_7 = x_48;
-goto _start;
-}
-else
-{
-uint8_t x_51; 
-lean_dec(x_42);
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_51 = !lean_is_exclusive(x_46);
-if (x_51 == 0)
-{
-return x_46;
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_46, 0);
-x_53 = lean_ctor_get(x_46, 1);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_46);
-x_54 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_54, 0, x_52);
-lean_ctor_set(x_54, 1, x_53);
-return x_54;
-}
-}
-}
-else
-{
-lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; 
-x_55 = lean_ctor_get(x_41, 2);
-lean_inc(x_55);
-x_56 = lean_ctor_get(x_41, 3);
-lean_inc(x_56);
-x_57 = lean_ctor_get(x_41, 4);
-lean_inc(x_57);
-x_58 = lean_ctor_get_uint8(x_41, sizeof(void*)*5);
-lean_dec(x_41);
-x_59 = l_Lean_Expr_headBeta(x_56);
-lean_inc(x_6);
-lean_inc(x_2);
-x_60 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_59, x_6, x_7);
-if (lean_obj_tag(x_60) == 0)
-{
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_60, 0);
-lean_inc(x_61);
-x_62 = lean_ctor_get(x_60, 1);
-lean_inc(x_62);
-lean_dec(x_60);
-lean_inc(x_6);
-lean_inc(x_2);
-x_63 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_57, x_6, x_62);
-if (lean_obj_tag(x_63) == 0)
-{
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_64 = lean_ctor_get(x_63, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_63, 1);
-lean_inc(x_65);
-lean_dec(x_63);
-lean_inc(x_61);
-lean_inc(x_55);
-x_66 = l_Lean_mkLet(x_55, x_61, x_64, x_5, x_58);
-x_67 = lean_box(x_3);
-if (lean_obj_tag(x_67) == 2)
-{
-lean_object* x_68; uint8_t x_69; lean_object* x_70; 
-x_68 = lean_expr_lift_loose_bvars(x_66, x_8, x_10);
-lean_dec(x_66);
-x_69 = 0;
-x_70 = l_Lean_mkForall(x_55, x_69, x_61, x_68);
-x_4 = x_11;
-x_5 = x_70;
-x_7 = x_65;
-goto _start;
-}
-else
-{
-lean_dec(x_67);
-lean_dec(x_61);
-lean_dec(x_55);
-x_4 = x_11;
-x_5 = x_66;
-x_7 = x_65;
-goto _start;
-}
-}
-else
-{
-uint8_t x_73; 
-lean_dec(x_61);
-lean_dec(x_55);
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_73 = !lean_is_exclusive(x_63);
-if (x_73 == 0)
-{
-return x_63;
-}
-else
-{
-lean_object* x_74; lean_object* x_75; lean_object* x_76; 
-x_74 = lean_ctor_get(x_63, 0);
-x_75 = lean_ctor_get(x_63, 1);
-lean_inc(x_75);
-lean_inc(x_74);
-lean_dec(x_63);
-x_76 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_76, 0, x_74);
-lean_ctor_set(x_76, 1, x_75);
-return x_76;
-}
-}
-}
-else
-{
-uint8_t x_77; 
-lean_dec(x_57);
-lean_dec(x_55);
-lean_dec(x_11);
-lean_dec(x_6);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_77 = !lean_is_exclusive(x_60);
-if (x_77 == 0)
-{
-return x_60;
-}
-else
-{
-lean_object* x_78; lean_object* x_79; lean_object* x_80; 
-x_78 = lean_ctor_get(x_60, 0);
-x_79 = lean_ctor_get(x_60, 1);
-lean_inc(x_79);
-lean_inc(x_78);
-lean_dec(x_60);
-x_80 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_80, 0, x_78);
-lean_ctor_set(x_80, 1, x_79);
-return x_80;
-}
-}
-}
-}
-}
-else
-{
-lean_object* x_81; 
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_81 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_81, 0, x_5);
-lean_ctor_set(x_81, 1, x_7);
-return x_81;
-}
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; lean_object* x_8; 
-x_7 = lean_array_get_size(x_2);
-lean_inc(x_5);
-lean_inc(x_2);
-x_8 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_7, x_4, x_5, x_6);
-if (lean_obj_tag(x_8) == 0)
-{
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_ctor_get(x_8, 0);
-lean_inc(x_9);
-x_10 = lean_ctor_get(x_8, 1);
-lean_inc(x_10);
-lean_dec(x_8);
-x_11 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(x_1, x_2, x_3, x_7, x_9, x_5, x_10);
-return x_11;
-}
-else
-{
-uint8_t x_12; 
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_2);
-lean_dec(x_1);
-x_12 = !lean_is_exclusive(x_8);
-if (x_12 == 0)
-{
-return x_8;
-}
-else
-{
-lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_13 = lean_ctor_get(x_8, 0);
-x_14 = lean_ctor_get(x_8, 1);
-lean_inc(x_14);
-lean_inc(x_13);
-lean_dec(x_8);
-x_15 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_15, 0, x_13);
-lean_ctor_set(x_15, 1, x_14);
-return x_15;
-}
-}
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -78161,7 +75867,177 @@ return x_21;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT uint8_t l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = lean_usize_dec_eq(x_3, x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; lean_object* x_7; uint8_t x_8; 
+x_6 = lean_array_uget(x_2, x_3);
+x_7 = lean_ctor_get(x_1, 1);
+x_8 = lean_expr_eqv(x_7, x_6);
+lean_dec(x_6);
+if (x_8 == 0)
+{
+size_t x_9; size_t x_10; 
+x_9 = 1;
+x_10 = lean_usize_add(x_3, x_9);
+x_3 = x_10;
+goto _start;
+}
+else
+{
+uint8_t x_12; 
+x_12 = 1;
+return x_12;
+}
+}
+else
+{
+uint8_t x_13; 
+x_13 = 0;
+return x_13;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; 
+x_5 = !lean_is_exclusive(x_4);
+if (x_5 == 0)
+{
+lean_object* x_6; uint8_t x_7; 
+x_6 = lean_ctor_get(x_4, 0);
+x_7 = !lean_is_exclusive(x_6);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; 
+x_8 = lean_ctor_get(x_6, 6);
+x_9 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_8, x_1, x_2);
+x_10 = 1;
+lean_ctor_set(x_6, 6, x_9);
+lean_ctor_set_uint8(x_6, sizeof(void*)*8, x_10);
+x_11 = lean_box(0);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_4);
+return x_12;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; uint8_t x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_13 = lean_ctor_get(x_6, 0);
+x_14 = lean_ctor_get(x_6, 1);
+x_15 = lean_ctor_get(x_6, 2);
+x_16 = lean_ctor_get(x_6, 3);
+x_17 = lean_ctor_get(x_6, 4);
+x_18 = lean_ctor_get(x_6, 5);
+x_19 = lean_ctor_get(x_6, 6);
+x_20 = lean_ctor_get(x_6, 7);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_6);
+x_21 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_19, x_1, x_2);
+x_22 = 1;
+x_23 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_23, 0, x_13);
+lean_ctor_set(x_23, 1, x_14);
+lean_ctor_set(x_23, 2, x_15);
+lean_ctor_set(x_23, 3, x_16);
+lean_ctor_set(x_23, 4, x_17);
+lean_ctor_set(x_23, 5, x_18);
+lean_ctor_set(x_23, 6, x_21);
+lean_ctor_set(x_23, 7, x_20);
+lean_ctor_set_uint8(x_23, sizeof(void*)*8, x_22);
+lean_ctor_set(x_4, 0, x_23);
+x_24 = lean_box(0);
+x_25 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_25, 0, x_24);
+lean_ctor_set(x_25, 1, x_4);
+return x_25;
+}
+}
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_26 = lean_ctor_get(x_4, 0);
+x_27 = lean_ctor_get(x_4, 1);
+x_28 = lean_ctor_get(x_4, 2);
+x_29 = lean_ctor_get(x_4, 3);
+lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_4);
+x_30 = lean_ctor_get(x_26, 0);
+lean_inc(x_30);
+x_31 = lean_ctor_get(x_26, 1);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_26, 2);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_26, 3);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_26, 4);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_26, 5);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_26, 6);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_26, 7);
+lean_inc(x_37);
+if (lean_is_exclusive(x_26)) {
+ lean_ctor_release(x_26, 0);
+ lean_ctor_release(x_26, 1);
+ lean_ctor_release(x_26, 2);
+ lean_ctor_release(x_26, 3);
+ lean_ctor_release(x_26, 4);
+ lean_ctor_release(x_26, 5);
+ lean_ctor_release(x_26, 6);
+ lean_ctor_release(x_26, 7);
+ x_38 = x_26;
+} else {
+ lean_dec_ref(x_26);
+ x_38 = lean_box(0);
+}
+x_39 = l_Std_PersistentHashMap_insert___at_Lean_assignExprMVar___spec__1(x_36, x_1, x_2);
+x_40 = 1;
+if (lean_is_scalar(x_38)) {
+ x_41 = lean_alloc_ctor(0, 8, 1);
+} else {
+ x_41 = x_38;
+}
+lean_ctor_set(x_41, 0, x_30);
+lean_ctor_set(x_41, 1, x_31);
+lean_ctor_set(x_41, 2, x_32);
+lean_ctor_set(x_41, 3, x_33);
+lean_ctor_set(x_41, 4, x_34);
+lean_ctor_set(x_41, 5, x_35);
+lean_ctor_set(x_41, 6, x_39);
+lean_ctor_set(x_41, 7, x_37);
+lean_ctor_set_uint8(x_41, sizeof(void*)*8, x_40);
+x_42 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_42, 0, x_41);
+lean_ctor_set(x_42, 1, x_27);
+lean_ctor_set(x_42, 2, x_28);
+lean_ctor_set(x_42, 3, x_29);
+x_43 = lean_box(0);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_43);
+lean_ctor_set(x_44, 1, x_42);
+return x_44;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
@@ -78206,7 +76082,217 @@ return x_12;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; 
+x_6 = !lean_is_exclusive(x_5);
+if (x_6 == 0)
+{
+lean_object* x_7; uint8_t x_8; 
+x_7 = lean_ctor_get(x_5, 0);
+x_8 = !lean_is_exclusive(x_7);
+if (x_8 == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; lean_object* x_13; lean_object* x_14; 
+x_9 = lean_ctor_get(x_7, 7);
+x_10 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_10, 0, x_2);
+lean_ctor_set(x_10, 1, x_3);
+x_11 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_9, x_1, x_10);
+x_12 = 1;
+lean_ctor_set(x_7, 7, x_11);
+lean_ctor_set_uint8(x_7, sizeof(void*)*8, x_12);
+x_13 = lean_box(0);
+x_14 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_14, 0, x_13);
+lean_ctor_set(x_14, 1, x_5);
+return x_14;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_15 = lean_ctor_get(x_7, 0);
+x_16 = lean_ctor_get(x_7, 1);
+x_17 = lean_ctor_get(x_7, 2);
+x_18 = lean_ctor_get(x_7, 3);
+x_19 = lean_ctor_get(x_7, 4);
+x_20 = lean_ctor_get(x_7, 5);
+x_21 = lean_ctor_get(x_7, 6);
+x_22 = lean_ctor_get(x_7, 7);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_inc(x_19);
+lean_inc(x_18);
+lean_inc(x_17);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_7);
+x_23 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_23, 0, x_2);
+lean_ctor_set(x_23, 1, x_3);
+x_24 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_22, x_1, x_23);
+x_25 = 1;
+x_26 = lean_alloc_ctor(0, 8, 1);
+lean_ctor_set(x_26, 0, x_15);
+lean_ctor_set(x_26, 1, x_16);
+lean_ctor_set(x_26, 2, x_17);
+lean_ctor_set(x_26, 3, x_18);
+lean_ctor_set(x_26, 4, x_19);
+lean_ctor_set(x_26, 5, x_20);
+lean_ctor_set(x_26, 6, x_21);
+lean_ctor_set(x_26, 7, x_24);
+lean_ctor_set_uint8(x_26, sizeof(void*)*8, x_25);
+lean_ctor_set(x_5, 0, x_26);
+x_27 = lean_box(0);
+x_28 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_5);
+return x_28;
+}
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_29 = lean_ctor_get(x_5, 0);
+x_30 = lean_ctor_get(x_5, 1);
+x_31 = lean_ctor_get(x_5, 2);
+x_32 = lean_ctor_get(x_5, 3);
+lean_inc(x_32);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_inc(x_29);
+lean_dec(x_5);
+x_33 = lean_ctor_get(x_29, 0);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_29, 1);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_29, 2);
+lean_inc(x_35);
+x_36 = lean_ctor_get(x_29, 3);
+lean_inc(x_36);
+x_37 = lean_ctor_get(x_29, 4);
+lean_inc(x_37);
+x_38 = lean_ctor_get(x_29, 5);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_29, 6);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_29, 7);
+lean_inc(x_40);
+if (lean_is_exclusive(x_29)) {
+ lean_ctor_release(x_29, 0);
+ lean_ctor_release(x_29, 1);
+ lean_ctor_release(x_29, 2);
+ lean_ctor_release(x_29, 3);
+ lean_ctor_release(x_29, 4);
+ lean_ctor_release(x_29, 5);
+ lean_ctor_release(x_29, 6);
+ lean_ctor_release(x_29, 7);
+ x_41 = x_29;
+} else {
+ lean_dec_ref(x_29);
+ x_41 = lean_box(0);
+}
+x_42 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_42, 0, x_2);
+lean_ctor_set(x_42, 1, x_3);
+x_43 = l_Std_PersistentHashMap_insert___at_Lean_assignDelayedMVar___spec__1(x_40, x_1, x_42);
+x_44 = 1;
+if (lean_is_scalar(x_41)) {
+ x_45 = lean_alloc_ctor(0, 8, 1);
+} else {
+ x_45 = x_41;
+}
+lean_ctor_set(x_45, 0, x_33);
+lean_ctor_set(x_45, 1, x_34);
+lean_ctor_set(x_45, 2, x_35);
+lean_ctor_set(x_45, 3, x_36);
+lean_ctor_set(x_45, 4, x_37);
+lean_ctor_set(x_45, 5, x_38);
+lean_ctor_set(x_45, 6, x_39);
+lean_ctor_set(x_45, 7, x_43);
+lean_ctor_set_uint8(x_45, sizeof(void*)*8, x_44);
+x_46 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_30);
+lean_ctor_set(x_46, 2, x_31);
+lean_ctor_set(x_46, 3, x_32);
+x_47 = lean_box(0);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_47);
+lean_ctor_set(x_48, 1, x_46);
+return x_48;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(lean_object* x_1, lean_object* x_2, size_t x_3, size_t x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; 
+x_6 = lean_usize_dec_eq(x_3, x_4);
+if (x_6 == 0)
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; size_t x_11; size_t x_12; 
+x_7 = lean_array_uget(x_2, x_3);
+x_8 = lean_array_get_size(x_1);
+x_9 = lean_unsigned_to_nat(0u);
+x_10 = lean_nat_dec_lt(x_9, x_8);
+x_11 = 1;
+x_12 = lean_usize_add(x_3, x_11);
+if (x_10 == 0)
+{
+lean_object* x_13; 
+lean_dec(x_8);
+x_13 = lean_array_push(x_5, x_7);
+x_3 = x_12;
+x_5 = x_13;
+goto _start;
+}
+else
+{
+uint8_t x_15; 
+x_15 = lean_nat_dec_le(x_8, x_8);
+if (x_15 == 0)
+{
+lean_object* x_16; 
+lean_dec(x_8);
+x_16 = lean_array_push(x_5, x_7);
+x_3 = x_12;
+x_5 = x_16;
+goto _start;
+}
+else
+{
+size_t x_18; size_t x_19; uint8_t x_20; 
+x_18 = 0;
+x_19 = lean_usize_of_nat(x_8);
+lean_dec(x_8);
+x_20 = l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(x_7, x_1, x_18, x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+x_21 = lean_array_push(x_5, x_7);
+x_3 = x_12;
+x_5 = x_21;
+goto _start;
+}
+else
+{
+lean_dec(x_7);
+x_3 = x_12;
+goto _start;
+}
+}
+}
+}
+else
+{
+return x_5;
+}
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 uint8_t x_7; 
@@ -78274,6 +76360,108 @@ return x_22;
 }
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8(lean_object* x_1, size_t x_2, size_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; 
+x_7 = lean_usize_dec_lt(x_3, x_2);
+if (x_7 == 0)
+{
+lean_object* x_8; 
+lean_dec(x_5);
+lean_dec(x_1);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_4);
+lean_ctor_set(x_8, 1, x_6);
+return x_8;
+}
+else
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_9 = lean_array_uget(x_4, x_3);
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = lean_array_uset(x_4, x_3, x_10);
+lean_inc(x_5);
+lean_inc(x_1);
+x_12 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_visit(x_1, x_9, x_5, x_6);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; size_t x_15; size_t x_16; lean_object* x_17; 
+x_13 = lean_ctor_get(x_12, 0);
+lean_inc(x_13);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+lean_dec(x_12);
+x_15 = 1;
+x_16 = lean_usize_add(x_3, x_15);
+x_17 = lean_array_uset(x_11, x_3, x_13);
+x_3 = x_16;
+x_4 = x_17;
+x_6 = x_14;
+goto _start;
+}
+else
+{
+uint8_t x_19; 
+lean_dec(x_11);
+lean_dec(x_5);
+lean_dec(x_1);
+x_19 = !lean_is_exclusive(x_12);
+if (x_19 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+x_20 = lean_ctor_get(x_12, 0);
+x_21 = lean_ctor_get(x_12, 1);
+lean_inc(x_21);
+lean_inc(x_20);
+lean_dec(x_12);
+x_22 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_22, 0, x_20);
+lean_ctor_set(x_22, 1, x_21);
+return x_22;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = l_Lean_mkAppN(x_1, x_2);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_3);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_8);
+lean_ctor_set(x_9, 1, x_6);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_7 = lean_ctor_get(x_4, 0);
+lean_inc(x_7);
+x_8 = lean_ctor_get(x_4, 1);
+lean_inc(x_8);
+lean_dec(x_4);
+x_9 = l_Array_append___rarg(x_1, x_8);
+x_10 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(x_2, x_9, x_7, x_5, x_6);
+x_11 = lean_ctor_get(x_10, 0);
+lean_inc(x_11);
+x_12 = lean_ctor_get(x_10, 1);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = lean_apply_3(x_3, x_11, x_5, x_12);
+return x_13;
+}
+}
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -78292,7 +76480,7 @@ x_12 = lean_nat_dec_eq(x_10, x_11);
 lean_dec(x_10);
 if (x_12 == 0)
 {
-lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; uint8_t x_17; uint8_t x_18; 
+lean_object* x_13; lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; lean_object* x_216; size_t x_217; size_t x_218; lean_object* x_219; uint8_t x_220; 
 lean_inc(x_2);
 x_13 = l_Lean_isExprMVarAssignable___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__1(x_2, x_4, x_5);
 x_14 = lean_ctor_get(x_13, 0);
@@ -78300,170 +76488,1271 @@ lean_inc(x_14);
 x_15 = lean_ctor_get(x_13, 1);
 lean_inc(x_15);
 lean_dec(x_13);
-x_16 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
-x_17 = l_Lean_MetavarKind_isSyntheticOpaque(x_16);
-x_18 = lean_unbox(x_14);
+x_216 = lean_array_get_size(x_3);
+x_217 = lean_usize_of_nat(x_216);
+lean_dec(x_216);
+x_218 = 0;
+lean_inc(x_4);
+x_219 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7(x_1, x_217, x_218, x_3, x_4, x_15);
+x_220 = lean_unbox(x_14);
 lean_dec(x_14);
-if (x_18 == 0)
+if (x_220 == 0)
 {
-if (x_17 == 0)
+if (lean_obj_tag(x_219) == 0)
 {
-uint8_t x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = 2;
-x_20 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_21 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_19, x_20, x_4, x_15);
-return x_21;
+lean_object* x_221; lean_object* x_222; uint8_t x_223; 
+x_221 = lean_ctor_get(x_219, 0);
+lean_inc(x_221);
+x_222 = lean_ctor_get(x_219, 1);
+lean_inc(x_222);
+lean_dec(x_219);
+x_223 = 2;
+x_16 = x_223;
+x_17 = x_221;
+x_18 = x_222;
+goto block_215;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; 
-lean_inc(x_2);
-x_22 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(x_2, x_4, x_15);
-x_23 = lean_ctor_get(x_22, 0);
-lean_inc(x_23);
-if (lean_obj_tag(x_23) == 0)
-{
-lean_object* x_24; uint8_t x_25; lean_object* x_26; lean_object* x_27; 
-x_24 = lean_ctor_get(x_22, 1);
-lean_inc(x_24);
-lean_dec(x_22);
-x_25 = 2;
-x_26 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_27 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_25, x_26, x_4, x_24);
-return x_27;
-}
-else
-{
-lean_object* x_28; lean_object* x_29; lean_object* x_30; uint8_t x_31; lean_object* x_32; 
-x_28 = lean_ctor_get(x_23, 0);
-lean_inc(x_28);
-lean_dec(x_23);
-x_29 = lean_ctor_get(x_22, 1);
-lean_inc(x_29);
-lean_dec(x_22);
-x_30 = lean_ctor_get(x_28, 0);
-lean_inc(x_30);
-lean_dec(x_28);
-x_31 = 2;
-x_32 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_31, x_30, x_4, x_29);
-return x_32;
-}
-}
-}
-else
-{
-if (x_17 == 0)
-{
-lean_object* x_33; lean_object* x_34; 
-x_33 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_34 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_16, x_33, x_4, x_15);
-return x_34;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-lean_inc(x_2);
-x_35 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(x_2, x_4, x_15);
-x_36 = lean_ctor_get(x_35, 0);
-lean_inc(x_36);
-if (lean_obj_tag(x_36) == 0)
-{
-lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_37 = lean_ctor_get(x_35, 1);
-lean_inc(x_37);
-lean_dec(x_35);
-x_38 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_39 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_16, x_38, x_4, x_37);
-return x_39;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_36, 0);
-lean_inc(x_40);
-lean_dec(x_36);
-x_41 = lean_ctor_get(x_35, 1);
-lean_inc(x_41);
-lean_dec(x_35);
-x_42 = lean_ctor_get(x_40, 0);
-lean_inc(x_42);
-lean_dec(x_40);
-x_43 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_7, x_8, x_9, x_16, x_42, x_4, x_41);
-return x_43;
-}
-}
-}
-}
-else
-{
-lean_object* x_44; size_t x_45; size_t x_46; lean_object* x_47; 
+uint8_t x_224; 
 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
-x_44 = lean_array_get_size(x_3);
-x_45 = lean_usize_of_nat(x_44);
-lean_dec(x_44);
-x_46 = 0;
-x_47 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_1, x_45, x_46, x_3, x_4, x_5);
-if (lean_obj_tag(x_47) == 0)
-{
-uint8_t x_48; 
-x_48 = !lean_is_exclusive(x_47);
-if (x_48 == 0)
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_49 = lean_ctor_get(x_47, 0);
-x_50 = l_Lean_mkMVar(x_2);
-x_51 = l_Lean_mkAppN(x_50, x_49);
-x_52 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_51);
-lean_ctor_set(x_53, 1, x_52);
-lean_ctor_set(x_47, 0, x_53);
-return x_47;
-}
-else
-{
-lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_54 = lean_ctor_get(x_47, 0);
-x_55 = lean_ctor_get(x_47, 1);
-lean_inc(x_55);
-lean_inc(x_54);
-lean_dec(x_47);
-x_56 = l_Lean_mkMVar(x_2);
-x_57 = l_Lean_mkAppN(x_56, x_54);
-x_58 = l_Lean_instInhabitedMetavarDecl___closed__4;
-x_59 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_59, 0, x_57);
-lean_ctor_set(x_59, 1, x_58);
-x_60 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_60, 0, x_59);
-lean_ctor_set(x_60, 1, x_55);
-return x_60;
-}
-}
-else
-{
-uint8_t x_61; 
+lean_dec(x_4);
 lean_dec(x_2);
-x_61 = !lean_is_exclusive(x_47);
-if (x_61 == 0)
+x_224 = !lean_is_exclusive(x_219);
+if (x_224 == 0)
 {
-return x_47;
+return x_219;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; lean_object* x_64; 
-x_62 = lean_ctor_get(x_47, 0);
-x_63 = lean_ctor_get(x_47, 1);
-lean_inc(x_63);
-lean_inc(x_62);
-lean_dec(x_47);
-x_64 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_64, 0, x_62);
-lean_ctor_set(x_64, 1, x_63);
+lean_object* x_225; lean_object* x_226; lean_object* x_227; 
+x_225 = lean_ctor_get(x_219, 0);
+x_226 = lean_ctor_get(x_219, 1);
+lean_inc(x_226);
+lean_inc(x_225);
+lean_dec(x_219);
+x_227 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_227, 0, x_225);
+lean_ctor_set(x_227, 1, x_226);
+return x_227;
+}
+}
+}
+else
+{
+if (lean_obj_tag(x_219) == 0)
+{
+lean_object* x_228; lean_object* x_229; uint8_t x_230; 
+x_228 = lean_ctor_get(x_219, 0);
+lean_inc(x_228);
+x_229 = lean_ctor_get(x_219, 1);
+lean_inc(x_229);
+lean_dec(x_219);
+x_230 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
+x_16 = x_230;
+x_17 = x_228;
+x_18 = x_229;
+goto block_215;
+}
+else
+{
+uint8_t x_231; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_2);
+x_231 = !lean_is_exclusive(x_219);
+if (x_231 == 0)
+{
+return x_219;
+}
+else
+{
+lean_object* x_232; lean_object* x_233; lean_object* x_234; 
+x_232 = lean_ctor_get(x_219, 0);
+x_233 = lean_ctor_get(x_219, 1);
+lean_inc(x_233);
+lean_inc(x_232);
+lean_dec(x_219);
+x_234 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_234, 0, x_232);
+lean_ctor_set(x_234, 1, x_233);
+return x_234;
+}
+}
+}
+block_215:
+{
+lean_object* x_19; 
+lean_inc(x_4);
+lean_inc(x_8);
+x_19 = l_Lean_MetavarContext_MkBinding_collectForwardDeps(x_8, x_9, x_4, x_18);
+if (lean_obj_tag(x_19) == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; lean_object* x_24; uint8_t x_25; lean_object* x_26; uint8_t x_27; 
+x_20 = lean_ctor_get(x_19, 0);
+lean_inc(x_20);
+x_21 = lean_ctor_get(x_19, 1);
+lean_inc(x_21);
+lean_dec(x_19);
+lean_inc(x_20);
+lean_inc(x_8);
+x_22 = l_Lean_MetavarContext_MkBinding_reduceLocalContext(x_8, x_20);
+x_23 = lean_ctor_get(x_7, 4);
+lean_inc(x_23);
+x_24 = lean_array_get_size(x_23);
+x_25 = lean_nat_dec_lt(x_11, x_24);
+x_26 = lean_ctor_get(x_7, 2);
+lean_inc(x_26);
+x_27 = !lean_is_exclusive(x_21);
+if (x_27 == 0)
+{
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_28 = lean_ctor_get(x_21, 3);
+x_29 = l_Lean_MetavarContext_MkBinding_State_cache___default___closed__1;
+lean_ctor_set(x_21, 3, x_29);
+lean_inc(x_4);
+lean_inc(x_20);
+lean_inc(x_8);
+x_30 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_8, x_20, x_16, x_26, x_4, x_21);
+if (x_25 == 0)
+{
+lean_object* x_144; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_144 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_31 = x_144;
+goto block_143;
+}
+else
+{
+uint8_t x_145; 
+x_145 = lean_nat_dec_le(x_24, x_24);
+if (x_145 == 0)
+{
+lean_object* x_146; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_146 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_31 = x_146;
+goto block_143;
+}
+else
+{
+size_t x_147; size_t x_148; lean_object* x_149; lean_object* x_150; 
+x_147 = 0;
+x_148 = lean_usize_of_nat(x_24);
+lean_dec(x_24);
+x_149 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_150 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(x_20, x_23, x_147, x_148, x_149);
+lean_dec(x_23);
+x_31 = x_150;
+goto block_143;
+}
+}
+block_143:
+{
+if (lean_obj_tag(x_30) == 0)
+{
+lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+x_33 = lean_ctor_get(x_32, 2);
+lean_inc(x_33);
+x_34 = lean_ctor_get(x_30, 0);
+lean_inc(x_34);
+lean_dec(x_30);
+x_35 = !lean_is_exclusive(x_32);
+if (x_35 == 0)
+{
+lean_object* x_36; lean_object* x_37; lean_object* x_38; uint8_t x_39; 
+x_36 = lean_ctor_get(x_32, 0);
+x_37 = lean_ctor_get(x_32, 3);
+lean_dec(x_37);
+x_38 = lean_ctor_get(x_32, 2);
+lean_dec(x_38);
+x_39 = !lean_is_exclusive(x_33);
+if (x_39 == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; uint8_t x_53; uint8_t x_54; 
+x_40 = lean_ctor_get(x_33, 0);
+x_41 = lean_ctor_get(x_33, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+x_42 = lean_name_mk_numeral(x_40, x_41);
+lean_inc(x_42);
+x_43 = l_Lean_mkMVar(x_42);
+x_44 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_8, x_43, x_20, x_16);
+x_45 = lean_ctor_get(x_7, 5);
+lean_inc(x_45);
+x_46 = l_Lean_Expr_getAppNumArgsAux(x_44, x_11);
+x_47 = lean_nat_add(x_45, x_46);
+lean_dec(x_46);
+lean_dec(x_45);
+x_48 = lean_box(0);
+lean_inc(x_42);
+x_49 = l_Lean_MetavarContext_addExprMVarDecl(x_36, x_42, x_48, x_22, x_31, x_34, x_16, x_47);
+x_50 = lean_unsigned_to_nat(1u);
+x_51 = lean_nat_add(x_41, x_50);
+lean_dec(x_41);
+lean_ctor_set(x_33, 1, x_51);
+lean_ctor_set(x_32, 3, x_28);
+lean_ctor_set(x_32, 0, x_49);
+lean_inc(x_20);
+lean_inc(x_17);
+lean_inc(x_44);
+x_52 = lean_alloc_closure((void*)(l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed), 6, 3);
+lean_closure_set(x_52, 0, x_44);
+lean_closure_set(x_52, 1, x_17);
+lean_closure_set(x_52, 2, x_20);
+x_53 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
+lean_dec(x_7);
+x_54 = l_Lean_MetavarKind_isSyntheticOpaque(x_53);
+if (x_54 == 0)
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; lean_object* x_58; 
+lean_dec(x_52);
+lean_dec(x_42);
+lean_inc(x_44);
+x_55 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_2, x_44, x_4, x_32);
+x_56 = lean_ctor_get(x_55, 0);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_55, 1);
+lean_inc(x_57);
+lean_dec(x_55);
+x_58 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(x_44, x_17, x_20, x_56, x_4, x_57);
+lean_dec(x_4);
+lean_dec(x_56);
+return x_58;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; 
+lean_dec(x_44);
+lean_dec(x_17);
+lean_inc(x_2);
+x_59 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(x_2, x_4, x_32);
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+if (lean_obj_tag(x_60) == 0)
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+x_61 = lean_ctor_get(x_59, 1);
+lean_inc(x_61);
+lean_dec(x_59);
+x_62 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_63 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_63, 0, x_2);
+lean_ctor_set(x_63, 1, x_62);
+x_64 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_42, x_52, x_63, x_4, x_61);
 return x_64;
 }
+else
+{
+lean_object* x_65; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+lean_dec(x_2);
+x_65 = lean_ctor_get(x_60, 0);
+lean_inc(x_65);
+lean_dec(x_60);
+x_66 = lean_ctor_get(x_59, 1);
+lean_inc(x_66);
+lean_dec(x_59);
+x_67 = lean_ctor_get(x_65, 0);
+lean_inc(x_67);
+x_68 = lean_ctor_get(x_65, 1);
+lean_inc(x_68);
+lean_dec(x_65);
+x_69 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_69, 0, x_68);
+lean_ctor_set(x_69, 1, x_67);
+x_70 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_42, x_52, x_69, x_4, x_66);
+return x_70;
+}
+}
+}
+else
+{
+lean_object* x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; lean_object* x_78; lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; uint8_t x_85; uint8_t x_86; 
+x_71 = lean_ctor_get(x_33, 0);
+x_72 = lean_ctor_get(x_33, 1);
+lean_inc(x_72);
+lean_inc(x_71);
+lean_dec(x_33);
+lean_inc(x_72);
+lean_inc(x_71);
+x_73 = lean_name_mk_numeral(x_71, x_72);
+lean_inc(x_73);
+x_74 = l_Lean_mkMVar(x_73);
+x_75 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_8, x_74, x_20, x_16);
+x_76 = lean_ctor_get(x_7, 5);
+lean_inc(x_76);
+x_77 = l_Lean_Expr_getAppNumArgsAux(x_75, x_11);
+x_78 = lean_nat_add(x_76, x_77);
+lean_dec(x_77);
+lean_dec(x_76);
+x_79 = lean_box(0);
+lean_inc(x_73);
+x_80 = l_Lean_MetavarContext_addExprMVarDecl(x_36, x_73, x_79, x_22, x_31, x_34, x_16, x_78);
+x_81 = lean_unsigned_to_nat(1u);
+x_82 = lean_nat_add(x_72, x_81);
+lean_dec(x_72);
+x_83 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_83, 0, x_71);
+lean_ctor_set(x_83, 1, x_82);
+lean_ctor_set(x_32, 3, x_28);
+lean_ctor_set(x_32, 2, x_83);
+lean_ctor_set(x_32, 0, x_80);
+lean_inc(x_20);
+lean_inc(x_17);
+lean_inc(x_75);
+x_84 = lean_alloc_closure((void*)(l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed), 6, 3);
+lean_closure_set(x_84, 0, x_75);
+lean_closure_set(x_84, 1, x_17);
+lean_closure_set(x_84, 2, x_20);
+x_85 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
+lean_dec(x_7);
+x_86 = l_Lean_MetavarKind_isSyntheticOpaque(x_85);
+if (x_86 == 0)
+{
+lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+lean_dec(x_84);
+lean_dec(x_73);
+lean_inc(x_75);
+x_87 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_2, x_75, x_4, x_32);
+x_88 = lean_ctor_get(x_87, 0);
+lean_inc(x_88);
+x_89 = lean_ctor_get(x_87, 1);
+lean_inc(x_89);
+lean_dec(x_87);
+x_90 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(x_75, x_17, x_20, x_88, x_4, x_89);
+lean_dec(x_4);
+lean_dec(x_88);
+return x_90;
+}
+else
+{
+lean_object* x_91; lean_object* x_92; 
+lean_dec(x_75);
+lean_dec(x_17);
+lean_inc(x_2);
+x_91 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(x_2, x_4, x_32);
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+if (lean_obj_tag(x_92) == 0)
+{
+lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_93 = lean_ctor_get(x_91, 1);
+lean_inc(x_93);
+lean_dec(x_91);
+x_94 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_95 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_95, 0, x_2);
+lean_ctor_set(x_95, 1, x_94);
+x_96 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_73, x_84, x_95, x_4, x_93);
+return x_96;
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+lean_dec(x_2);
+x_97 = lean_ctor_get(x_92, 0);
+lean_inc(x_97);
+lean_dec(x_92);
+x_98 = lean_ctor_get(x_91, 1);
+lean_inc(x_98);
+lean_dec(x_91);
+x_99 = lean_ctor_get(x_97, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_97, 1);
+lean_inc(x_100);
+lean_dec(x_97);
+x_101 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_99);
+x_102 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_73, x_84, x_101, x_4, x_98);
+return x_102;
+}
+}
+}
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; uint8_t x_121; uint8_t x_122; 
+x_103 = lean_ctor_get(x_32, 0);
+x_104 = lean_ctor_get(x_32, 1);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_32);
+x_105 = lean_ctor_get(x_33, 0);
+lean_inc(x_105);
+x_106 = lean_ctor_get(x_33, 1);
+lean_inc(x_106);
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_107 = x_33;
+} else {
+ lean_dec_ref(x_33);
+ x_107 = lean_box(0);
+}
+lean_inc(x_106);
+lean_inc(x_105);
+x_108 = lean_name_mk_numeral(x_105, x_106);
+lean_inc(x_108);
+x_109 = l_Lean_mkMVar(x_108);
+x_110 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_8, x_109, x_20, x_16);
+x_111 = lean_ctor_get(x_7, 5);
+lean_inc(x_111);
+x_112 = l_Lean_Expr_getAppNumArgsAux(x_110, x_11);
+x_113 = lean_nat_add(x_111, x_112);
+lean_dec(x_112);
+lean_dec(x_111);
+x_114 = lean_box(0);
+lean_inc(x_108);
+x_115 = l_Lean_MetavarContext_addExprMVarDecl(x_103, x_108, x_114, x_22, x_31, x_34, x_16, x_113);
+x_116 = lean_unsigned_to_nat(1u);
+x_117 = lean_nat_add(x_106, x_116);
+lean_dec(x_106);
+if (lean_is_scalar(x_107)) {
+ x_118 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_118 = x_107;
+}
+lean_ctor_set(x_118, 0, x_105);
+lean_ctor_set(x_118, 1, x_117);
+x_119 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_119, 0, x_115);
+lean_ctor_set(x_119, 1, x_104);
+lean_ctor_set(x_119, 2, x_118);
+lean_ctor_set(x_119, 3, x_28);
+lean_inc(x_20);
+lean_inc(x_17);
+lean_inc(x_110);
+x_120 = lean_alloc_closure((void*)(l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed), 6, 3);
+lean_closure_set(x_120, 0, x_110);
+lean_closure_set(x_120, 1, x_17);
+lean_closure_set(x_120, 2, x_20);
+x_121 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
+lean_dec(x_7);
+x_122 = l_Lean_MetavarKind_isSyntheticOpaque(x_121);
+if (x_122 == 0)
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+lean_dec(x_120);
+lean_dec(x_108);
+lean_inc(x_110);
+x_123 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_2, x_110, x_4, x_119);
+x_124 = lean_ctor_get(x_123, 0);
+lean_inc(x_124);
+x_125 = lean_ctor_get(x_123, 1);
+lean_inc(x_125);
+lean_dec(x_123);
+x_126 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(x_110, x_17, x_20, x_124, x_4, x_125);
+lean_dec(x_4);
+lean_dec(x_124);
+return x_126;
+}
+else
+{
+lean_object* x_127; lean_object* x_128; 
+lean_dec(x_110);
+lean_dec(x_17);
+lean_inc(x_2);
+x_127 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(x_2, x_4, x_119);
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+if (lean_obj_tag(x_128) == 0)
+{
+lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; 
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
+x_130 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_131 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_131, 0, x_2);
+lean_ctor_set(x_131, 1, x_130);
+x_132 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_108, x_120, x_131, x_4, x_129);
+return x_132;
+}
+else
+{
+lean_object* x_133; lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+lean_dec(x_2);
+x_133 = lean_ctor_get(x_128, 0);
+lean_inc(x_133);
+lean_dec(x_128);
+x_134 = lean_ctor_get(x_127, 1);
+lean_inc(x_134);
+lean_dec(x_127);
+x_135 = lean_ctor_get(x_133, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_133, 1);
+lean_inc(x_136);
+lean_dec(x_133);
+x_137 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_135);
+x_138 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_108, x_120, x_137, x_4, x_134);
+return x_138;
+}
+}
+}
+}
+else
+{
+uint8_t x_139; 
+lean_dec(x_31);
+lean_dec(x_28);
+lean_dec(x_22);
+lean_dec(x_20);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_2);
+x_139 = !lean_is_exclusive(x_30);
+if (x_139 == 0)
+{
+return x_30;
+}
+else
+{
+lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_140 = lean_ctor_get(x_30, 0);
+x_141 = lean_ctor_get(x_30, 1);
+lean_inc(x_141);
+lean_inc(x_140);
+lean_dec(x_30);
+x_142 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_142, 0, x_140);
+lean_ctor_set(x_142, 1, x_141);
+return x_142;
+}
+}
+}
+}
+else
+{
+lean_object* x_151; lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; lean_object* x_156; lean_object* x_157; lean_object* x_158; 
+x_151 = lean_ctor_get(x_21, 0);
+x_152 = lean_ctor_get(x_21, 1);
+x_153 = lean_ctor_get(x_21, 2);
+x_154 = lean_ctor_get(x_21, 3);
+lean_inc(x_154);
+lean_inc(x_153);
+lean_inc(x_152);
+lean_inc(x_151);
+lean_dec(x_21);
+x_155 = l_Lean_MetavarContext_MkBinding_State_cache___default___closed__1;
+x_156 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_156, 0, x_151);
+lean_ctor_set(x_156, 1, x_152);
+lean_ctor_set(x_156, 2, x_153);
+lean_ctor_set(x_156, 3, x_155);
+lean_inc(x_4);
+lean_inc(x_20);
+lean_inc(x_8);
+x_157 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_8, x_20, x_16, x_26, x_4, x_156);
+if (x_25 == 0)
+{
+lean_object* x_204; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_204 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_158 = x_204;
+goto block_203;
+}
+else
+{
+uint8_t x_205; 
+x_205 = lean_nat_dec_le(x_24, x_24);
+if (x_205 == 0)
+{
+lean_object* x_206; 
+lean_dec(x_24);
+lean_dec(x_23);
+x_206 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_158 = x_206;
+goto block_203;
+}
+else
+{
+size_t x_207; size_t x_208; lean_object* x_209; lean_object* x_210; 
+x_207 = 0;
+x_208 = lean_usize_of_nat(x_24);
+lean_dec(x_24);
+x_209 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_210 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(x_20, x_23, x_207, x_208, x_209);
+lean_dec(x_23);
+x_158 = x_210;
+goto block_203;
+}
+}
+block_203:
+{
+if (lean_obj_tag(x_157) == 0)
+{
+lean_object* x_159; lean_object* x_160; lean_object* x_161; lean_object* x_162; lean_object* x_163; lean_object* x_164; lean_object* x_165; lean_object* x_166; lean_object* x_167; lean_object* x_168; lean_object* x_169; lean_object* x_170; lean_object* x_171; lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; lean_object* x_178; lean_object* x_179; lean_object* x_180; uint8_t x_181; uint8_t x_182; 
+x_159 = lean_ctor_get(x_157, 1);
+lean_inc(x_159);
+x_160 = lean_ctor_get(x_159, 2);
+lean_inc(x_160);
+x_161 = lean_ctor_get(x_157, 0);
+lean_inc(x_161);
+lean_dec(x_157);
+x_162 = lean_ctor_get(x_159, 0);
+lean_inc(x_162);
+x_163 = lean_ctor_get(x_159, 1);
+lean_inc(x_163);
+if (lean_is_exclusive(x_159)) {
+ lean_ctor_release(x_159, 0);
+ lean_ctor_release(x_159, 1);
+ lean_ctor_release(x_159, 2);
+ lean_ctor_release(x_159, 3);
+ x_164 = x_159;
+} else {
+ lean_dec_ref(x_159);
+ x_164 = lean_box(0);
+}
+x_165 = lean_ctor_get(x_160, 0);
+lean_inc(x_165);
+x_166 = lean_ctor_get(x_160, 1);
+lean_inc(x_166);
+if (lean_is_exclusive(x_160)) {
+ lean_ctor_release(x_160, 0);
+ lean_ctor_release(x_160, 1);
+ x_167 = x_160;
+} else {
+ lean_dec_ref(x_160);
+ x_167 = lean_box(0);
+}
+lean_inc(x_166);
+lean_inc(x_165);
+x_168 = lean_name_mk_numeral(x_165, x_166);
+lean_inc(x_168);
+x_169 = l_Lean_mkMVar(x_168);
+x_170 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkMVarApp(x_8, x_169, x_20, x_16);
+x_171 = lean_ctor_get(x_7, 5);
+lean_inc(x_171);
+x_172 = l_Lean_Expr_getAppNumArgsAux(x_170, x_11);
+x_173 = lean_nat_add(x_171, x_172);
+lean_dec(x_172);
+lean_dec(x_171);
+x_174 = lean_box(0);
+lean_inc(x_168);
+x_175 = l_Lean_MetavarContext_addExprMVarDecl(x_162, x_168, x_174, x_22, x_158, x_161, x_16, x_173);
+x_176 = lean_unsigned_to_nat(1u);
+x_177 = lean_nat_add(x_166, x_176);
+lean_dec(x_166);
+if (lean_is_scalar(x_167)) {
+ x_178 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_178 = x_167;
+}
+lean_ctor_set(x_178, 0, x_165);
+lean_ctor_set(x_178, 1, x_177);
+if (lean_is_scalar(x_164)) {
+ x_179 = lean_alloc_ctor(0, 4, 0);
+} else {
+ x_179 = x_164;
+}
+lean_ctor_set(x_179, 0, x_175);
+lean_ctor_set(x_179, 1, x_163);
+lean_ctor_set(x_179, 2, x_178);
+lean_ctor_set(x_179, 3, x_154);
+lean_inc(x_20);
+lean_inc(x_17);
+lean_inc(x_170);
+x_180 = lean_alloc_closure((void*)(l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed), 6, 3);
+lean_closure_set(x_180, 0, x_170);
+lean_closure_set(x_180, 1, x_17);
+lean_closure_set(x_180, 2, x_20);
+x_181 = lean_ctor_get_uint8(x_7, sizeof(void*)*7);
+lean_dec(x_7);
+x_182 = l_Lean_MetavarKind_isSyntheticOpaque(x_181);
+if (x_182 == 0)
+{
+lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+lean_dec(x_180);
+lean_dec(x_168);
+lean_inc(x_170);
+x_183 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_2, x_170, x_4, x_179);
+x_184 = lean_ctor_get(x_183, 0);
+lean_inc(x_184);
+x_185 = lean_ctor_get(x_183, 1);
+lean_inc(x_185);
+lean_dec(x_183);
+x_186 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(x_170, x_17, x_20, x_184, x_4, x_185);
+lean_dec(x_4);
+lean_dec(x_184);
+return x_186;
+}
+else
+{
+lean_object* x_187; lean_object* x_188; 
+lean_dec(x_170);
+lean_dec(x_17);
+lean_inc(x_2);
+x_187 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(x_2, x_4, x_179);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+if (lean_obj_tag(x_188) == 0)
+{
+lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; 
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_190 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_191 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_191, 0, x_2);
+lean_ctor_set(x_191, 1, x_190);
+x_192 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_168, x_180, x_191, x_4, x_189);
+return x_192;
+}
+else
+{
+lean_object* x_193; lean_object* x_194; lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+lean_dec(x_2);
+x_193 = lean_ctor_get(x_188, 0);
+lean_inc(x_193);
+lean_dec(x_188);
+x_194 = lean_ctor_get(x_187, 1);
+lean_inc(x_194);
+lean_dec(x_187);
+x_195 = lean_ctor_get(x_193, 0);
+lean_inc(x_195);
+x_196 = lean_ctor_get(x_193, 1);
+lean_inc(x_196);
+lean_dec(x_193);
+x_197 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_197, 0, x_196);
+lean_ctor_set(x_197, 1, x_195);
+x_198 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__2(x_20, x_168, x_180, x_197, x_4, x_194);
+return x_198;
+}
+}
+}
+else
+{
+lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; 
+lean_dec(x_158);
+lean_dec(x_154);
+lean_dec(x_22);
+lean_dec(x_20);
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_2);
+x_199 = lean_ctor_get(x_157, 0);
+lean_inc(x_199);
+x_200 = lean_ctor_get(x_157, 1);
+lean_inc(x_200);
+if (lean_is_exclusive(x_157)) {
+ lean_ctor_release(x_157, 0);
+ lean_ctor_release(x_157, 1);
+ x_201 = x_157;
+} else {
+ lean_dec_ref(x_157);
+ x_201 = lean_box(0);
+}
+if (lean_is_scalar(x_201)) {
+ x_202 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_202 = x_201;
+}
+lean_ctor_set(x_202, 0, x_199);
+lean_ctor_set(x_202, 1, x_200);
+return x_202;
+}
+}
+}
+}
+else
+{
+uint8_t x_211; 
+lean_dec(x_17);
+lean_dec(x_8);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_2);
+x_211 = !lean_is_exclusive(x_19);
+if (x_211 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_212; lean_object* x_213; lean_object* x_214; 
+x_212 = lean_ctor_get(x_19, 0);
+x_213 = lean_ctor_get(x_19, 1);
+lean_inc(x_213);
+lean_inc(x_212);
+lean_dec(x_19);
+x_214 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_214, 0, x_212);
+lean_ctor_set(x_214, 1, x_213);
+return x_214;
+}
+}
+}
+}
+else
+{
+lean_object* x_235; size_t x_236; size_t x_237; lean_object* x_238; 
+lean_dec(x_9);
+lean_dec(x_8);
+lean_dec(x_7);
+x_235 = lean_array_get_size(x_3);
+x_236 = lean_usize_of_nat(x_235);
+lean_dec(x_235);
+x_237 = 0;
+x_238 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8(x_1, x_236, x_237, x_3, x_4, x_5);
+if (lean_obj_tag(x_238) == 0)
+{
+uint8_t x_239; 
+x_239 = !lean_is_exclusive(x_238);
+if (x_239 == 0)
+{
+lean_object* x_240; lean_object* x_241; lean_object* x_242; lean_object* x_243; lean_object* x_244; 
+x_240 = lean_ctor_get(x_238, 0);
+x_241 = l_Lean_mkMVar(x_2);
+x_242 = l_Lean_mkAppN(x_241, x_240);
+x_243 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_244 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_244, 0, x_242);
+lean_ctor_set(x_244, 1, x_243);
+lean_ctor_set(x_238, 0, x_244);
+return x_238;
+}
+else
+{
+lean_object* x_245; lean_object* x_246; lean_object* x_247; lean_object* x_248; lean_object* x_249; lean_object* x_250; lean_object* x_251; 
+x_245 = lean_ctor_get(x_238, 0);
+x_246 = lean_ctor_get(x_238, 1);
+lean_inc(x_246);
+lean_inc(x_245);
+lean_dec(x_238);
+x_247 = l_Lean_mkMVar(x_2);
+x_248 = l_Lean_mkAppN(x_247, x_245);
+x_249 = l_Lean_instInhabitedMetavarDecl___closed__4;
+x_250 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_250, 0, x_248);
+lean_ctor_set(x_250, 1, x_249);
+x_251 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_251, 0, x_250);
+lean_ctor_set(x_251, 1, x_246);
+return x_251;
+}
+}
+else
+{
+uint8_t x_252; 
+lean_dec(x_2);
+x_252 = !lean_is_exclusive(x_238);
+if (x_252 == 0)
+{
+return x_238;
+}
+else
+{
+lean_object* x_253; lean_object* x_254; lean_object* x_255; 
+x_253 = lean_ctor_get(x_238, 0);
+x_254 = lean_ctor_get(x_238, 1);
+lean_inc(x_254);
+lean_inc(x_253);
+lean_dec(x_238);
+x_255 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_255, 0, x_253);
+lean_ctor_set(x_255, 1, x_254);
+return x_255;
+}
+}
+}
+}
+}
+LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+uint8_t x_6; lean_object* x_7; lean_object* x_8; 
+x_6 = lean_ctor_get_uint8(x_4, sizeof(void*)*2 + 1);
+x_7 = l_Lean_mkForall(x_3, x_6, x_1, x_2);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_5);
+return x_8;
+}
+}
+static lean_object* _init_l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string_from_bytes("x", 1);
+return x_1;
+}
+}
+static lean_object* _init_l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+lean_object* x_8; uint8_t x_9; 
+x_8 = lean_unsigned_to_nat(0u);
+x_9 = lean_nat_dec_eq(x_4, x_8);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; uint8_t x_14; 
+x_10 = lean_unsigned_to_nat(1u);
+x_11 = lean_nat_sub(x_4, x_10);
+lean_dec(x_4);
+x_12 = l_Lean_instInhabitedExpr;
+x_13 = lean_array_get(x_12, x_2, x_11);
+x_14 = l_Lean_Expr_isFVar(x_13);
+if (x_14 == 0)
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_15 = lean_ctor_get(x_7, 0);
+lean_inc(x_15);
+x_16 = l_Lean_Expr_mvarId_x21(x_13);
+lean_dec(x_13);
+x_17 = l_Lean_MetavarContext_getDecl(x_15, x_16);
+x_18 = lean_ctor_get(x_17, 2);
+lean_inc(x_18);
+x_19 = l_Lean_Expr_headBeta(x_18);
+lean_inc(x_6);
+lean_inc(x_2);
+x_20 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_19, x_6, x_7);
+if (lean_obj_tag(x_20) == 0)
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; uint8_t x_24; 
+x_21 = lean_ctor_get(x_20, 0);
+lean_inc(x_21);
+x_22 = lean_ctor_get(x_20, 1);
+lean_inc(x_22);
+lean_dec(x_20);
+x_23 = lean_ctor_get(x_17, 0);
+lean_inc(x_23);
+lean_dec(x_17);
+x_24 = l_Lean_Name_isAnonymous(x_23);
+if (x_24 == 0)
+{
+lean_object* x_25; lean_object* x_26; lean_object* x_27; 
+x_25 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_21, x_5, x_23, x_6, x_22);
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
+lean_inc(x_27);
+lean_dec(x_25);
+x_4 = x_11;
+x_5 = x_26;
+x_7 = x_27;
+goto _start;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+lean_dec(x_23);
+x_29 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___closed__2;
+lean_inc(x_6);
+x_30 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkFreshBinderName(x_29, x_6, x_22);
+x_31 = lean_ctor_get(x_30, 0);
+lean_inc(x_31);
+x_32 = lean_ctor_get(x_30, 1);
+lean_inc(x_32);
+lean_dec(x_30);
+x_33 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_21, x_5, x_31, x_6, x_32);
+x_34 = lean_ctor_get(x_33, 0);
+lean_inc(x_34);
+x_35 = lean_ctor_get(x_33, 1);
+lean_inc(x_35);
+lean_dec(x_33);
+x_4 = x_11;
+x_5 = x_34;
+x_7 = x_35;
+goto _start;
+}
+}
+else
+{
+uint8_t x_37; 
+lean_dec(x_17);
+lean_dec(x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_37 = !lean_is_exclusive(x_20);
+if (x_37 == 0)
+{
+return x_20;
+}
+else
+{
+lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_38 = lean_ctor_get(x_20, 0);
+x_39 = lean_ctor_get(x_20, 1);
+lean_inc(x_39);
+lean_inc(x_38);
+lean_dec(x_20);
+x_40 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_40, 0, x_38);
+lean_ctor_set(x_40, 1, x_39);
+return x_40;
+}
+}
+}
+else
+{
+lean_object* x_41; 
+lean_inc(x_1);
+x_41 = l_Lean_LocalContext_getFVar_x21(x_1, x_13);
+if (lean_obj_tag(x_41) == 0)
+{
+lean_object* x_42; lean_object* x_43; uint8_t x_44; lean_object* x_45; lean_object* x_46; 
+x_42 = lean_ctor_get(x_41, 2);
+lean_inc(x_42);
+x_43 = lean_ctor_get(x_41, 3);
+lean_inc(x_43);
+x_44 = lean_ctor_get_uint8(x_41, sizeof(void*)*4);
+lean_dec(x_41);
+x_45 = l_Lean_Expr_headBeta(x_43);
+lean_inc(x_6);
+lean_inc(x_2);
+x_46 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_45, x_6, x_7);
+if (lean_obj_tag(x_46) == 0)
+{
+lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_46, 0);
+lean_inc(x_47);
+x_48 = lean_ctor_get(x_46, 1);
+lean_inc(x_48);
+lean_dec(x_46);
+x_49 = l_Lean_mkForall(x_42, x_44, x_47, x_5);
+x_4 = x_11;
+x_5 = x_49;
+x_7 = x_48;
+goto _start;
+}
+else
+{
+uint8_t x_51; 
+lean_dec(x_42);
+lean_dec(x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_51 = !lean_is_exclusive(x_46);
+if (x_51 == 0)
+{
+return x_46;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_46, 0);
+x_53 = lean_ctor_get(x_46, 1);
+lean_inc(x_53);
+lean_inc(x_52);
+lean_dec(x_46);
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_52);
+lean_ctor_set(x_54, 1, x_53);
+return x_54;
+}
+}
+}
+else
+{
+lean_object* x_55; lean_object* x_56; lean_object* x_57; uint8_t x_58; lean_object* x_59; lean_object* x_60; 
+x_55 = lean_ctor_get(x_41, 2);
+lean_inc(x_55);
+x_56 = lean_ctor_get(x_41, 3);
+lean_inc(x_56);
+x_57 = lean_ctor_get(x_41, 4);
+lean_inc(x_57);
+x_58 = lean_ctor_get_uint8(x_41, sizeof(void*)*5);
+lean_dec(x_41);
+x_59 = l_Lean_Expr_headBeta(x_56);
+lean_inc(x_6);
+lean_inc(x_2);
+x_60 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_59, x_6, x_7);
+if (lean_obj_tag(x_60) == 0)
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; 
+x_61 = lean_ctor_get(x_60, 0);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_60, 1);
+lean_inc(x_62);
+lean_dec(x_60);
+lean_inc(x_6);
+lean_inc(x_2);
+x_63 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_11, x_57, x_6, x_62);
+if (lean_obj_tag(x_63) == 0)
+{
+lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_64 = lean_ctor_get(x_63, 0);
+lean_inc(x_64);
+x_65 = lean_ctor_get(x_63, 1);
+lean_inc(x_65);
+lean_dec(x_63);
+lean_inc(x_61);
+lean_inc(x_55);
+x_66 = l_Lean_mkLet(x_55, x_61, x_64, x_5, x_58);
+x_67 = lean_box(x_3);
+if (lean_obj_tag(x_67) == 2)
+{
+lean_object* x_68; uint8_t x_69; lean_object* x_70; 
+x_68 = lean_expr_lift_loose_bvars(x_66, x_8, x_10);
+lean_dec(x_66);
+x_69 = 0;
+x_70 = l_Lean_mkForall(x_55, x_69, x_61, x_68);
+x_4 = x_11;
+x_5 = x_70;
+x_7 = x_65;
+goto _start;
+}
+else
+{
+lean_dec(x_67);
+lean_dec(x_61);
+lean_dec(x_55);
+x_4 = x_11;
+x_5 = x_66;
+x_7 = x_65;
+goto _start;
+}
+}
+else
+{
+uint8_t x_73; 
+lean_dec(x_61);
+lean_dec(x_55);
+lean_dec(x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_73 = !lean_is_exclusive(x_63);
+if (x_73 == 0)
+{
+return x_63;
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; 
+x_74 = lean_ctor_get(x_63, 0);
+x_75 = lean_ctor_get(x_63, 1);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_dec(x_63);
+x_76 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_76, 0, x_74);
+lean_ctor_set(x_76, 1, x_75);
+return x_76;
+}
+}
+}
+else
+{
+uint8_t x_77; 
+lean_dec(x_57);
+lean_dec(x_55);
+lean_dec(x_11);
+lean_dec(x_6);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_77 = !lean_is_exclusive(x_60);
+if (x_77 == 0)
+{
+return x_60;
+}
+else
+{
+lean_object* x_78; lean_object* x_79; lean_object* x_80; 
+x_78 = lean_ctor_get(x_60, 0);
+x_79 = lean_ctor_get(x_60, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_60);
+x_80 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_80, 0, x_78);
+lean_ctor_set(x_80, 1, x_79);
+return x_80;
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_81; 
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_81 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_81, 0, x_5);
+lean_ctor_set(x_81, 1, x_7);
+return x_81;
+}
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(lean_object* x_1, lean_object* x_2, uint8_t x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; lean_object* x_8; 
+x_7 = lean_array_get_size(x_2);
+lean_inc(x_5);
+lean_inc(x_2);
+x_8 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux(x_2, x_7, x_4, x_5, x_6);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+x_10 = lean_ctor_get(x_8, 1);
+lean_inc(x_10);
+lean_dec(x_8);
+x_11 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(x_1, x_2, x_3, x_7, x_9, x_5, x_10);
+return x_11;
+}
+else
+{
+uint8_t x_12; 
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+x_12 = !lean_is_exclusive(x_8);
+if (x_12 == 0)
+{
+return x_8;
+}
+else
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_8, 0);
+x_14 = lean_ctor_get(x_8, 1);
+lean_inc(x_14);
+lean_inc(x_13);
+lean_dec(x_8);
+x_15 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_15, 0, x_13);
+lean_ctor_set(x_15, 1, x_14);
+return x_15;
 }
 }
 }
@@ -78622,116 +77911,6 @@ return x_38;
 }
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-size_t x_7; size_t x_8; lean_object* x_9; 
-x_7 = lean_unbox_usize(x_2);
-lean_dec(x_2);
-x_8 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__1(x_1, x_7, x_8, x_4, x_5, x_6);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
-x_5 = lean_unbox_usize(x_3);
-lean_dec(x_3);
-x_6 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_7 = l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__2(x_1, x_2, x_5, x_6);
-lean_dec(x_2);
-lean_dec(x_1);
-x_8 = lean_box(x_7);
-return x_8;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; 
-x_5 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__3(x_1, x_2, x_3, x_4);
-lean_dec(x_3);
-return x_5;
-}
-}
-LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__4(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-size_t x_7; size_t x_8; size_t x_9; lean_object* x_10; 
-x_7 = lean_unbox_usize(x_1);
-lean_dec(x_1);
-x_8 = lean_unbox_usize(x_4);
-lean_dec(x_4);
-x_9 = lean_unbox_usize(x_5);
-lean_dec(x_5);
-x_10 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___spec__5(x_7, x_2, x_3, x_8, x_9, x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-return x_10;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-lean_object* x_7; 
-x_7 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
-lean_dec(x_5);
-lean_dec(x_4);
-return x_7;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7, lean_object* x_8, lean_object* x_9, lean_object* x_10) {
-_start:
-{
-uint8_t x_11; lean_object* x_12; 
-x_11 = lean_unbox(x_7);
-lean_dec(x_7);
-x_12 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar_cont(x_1, x_2, x_3, x_4, x_5, x_6, x_11, x_8, x_9, x_10);
-return x_12;
-}
-}
-LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
-_start:
-{
-lean_object* x_6; 
-x_6 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5);
-lean_dec(x_4);
-return x_6;
-}
-}
-LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
-_start:
-{
-uint8_t x_8; lean_object* x_9; 
-x_8 = lean_unbox(x_3);
-lean_dec(x_3);
-x_9 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(x_1, x_2, x_8, x_4, x_5, x_6, x_7);
-return x_9;
-}
-}
-LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
-_start:
-{
-uint8_t x_7; lean_object* x_8; 
-x_7 = lean_unbox(x_3);
-lean_dec(x_3);
-x_8 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_1, x_2, x_7, x_4, x_5, x_6);
-return x_8;
-}
-}
 LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType_abstractRangeAux___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
@@ -78944,16 +78123,63 @@ lean_dec(x_2);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+LEAN_EXPORT lean_object* l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+size_t x_5; size_t x_6; uint8_t x_7; lean_object* x_8; 
+x_5 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_6 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_7 = l_Array_anyMUnsafe_any___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(x_1, x_2, x_5, x_6);
+lean_dec(x_2);
+lean_dec(x_1);
+x_8 = lean_box(x_7);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+x_5 = l_Lean_assignExprMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+return x_5;
+}
+}
+LEAN_EXPORT lean_object* l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__2(x_1, x_2, x_3);
+x_4 = l_Lean_getDelayedMVarAssignment_x3f___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__4(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+LEAN_EXPORT lean_object* l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l_Lean_assignDelayedMVar___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__5(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+size_t x_6; size_t x_7; lean_object* x_8; 
+x_6 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_7 = lean_unbox_usize(x_4);
+lean_dec(x_4);
+x_8 = l_Array_foldlMUnsafe_fold___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__6(x_1, x_2, x_6, x_7, x_5);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_8;
+}
+}
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
 _start:
 {
 size_t x_7; size_t x_8; lean_object* x_9; 
@@ -78961,10 +78187,61 @@ x_7 = lean_unbox_usize(x_2);
 lean_dec(x_2);
 x_8 = lean_unbox_usize(x_3);
 lean_dec(x_3);
-x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__3(x_1, x_7, x_8, x_4, x_5, x_6);
+x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__7(x_1, x_7, x_8, x_4, x_5, x_6);
 return x_9;
 }
 }
+LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+size_t x_7; size_t x_8; lean_object* x_9; 
+x_7 = lean_unbox_usize(x_2);
+lean_dec(x_2);
+x_8 = lean_unbox_usize(x_3);
+lean_dec(x_3);
+x_9 = l_Array_mapMUnsafe_map___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___spec__8(x_1, x_7, x_8, x_4, x_5, x_6);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+lean_object* x_7; 
+x_7 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_elimMVar___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+lean_dec(x_5);
+lean_dec(x_4);
+return x_7;
+}
+}
+LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+lean_object* x_6; 
+x_6 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___lambda__1(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+return x_6;
+}
+}
+LEAN_EXPORT lean_object* l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6, lean_object* x_7) {
+_start:
+{
+uint8_t x_8; lean_object* x_9; 
+x_8 = lean_unbox(x_3);
+lean_dec(x_3);
+x_9 = l_Nat_foldRevM_loop___at___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___spec__1(x_1, x_2, x_8, x_4, x_5, x_6, x_7);
+return x_9;
+}
+}
+LEAN_EXPORT lean_object* l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5, lean_object* x_6) {
+_start:
+{
+uint8_t x_7; lean_object* x_8; 
+x_7 = lean_unbox(x_3);
+lean_dec(x_3);
+x_8 = l___private_Lean_MetavarContext_0__Lean_MetavarContext_MkBinding_mkAuxMVarType(x_1, x_2, x_7, x_4, x_5, x_6);
+return x_8;
+}
+}
 LEAN_EXPORT lean_object* l_Lean_MetavarContext_MkBinding_elimMVarDeps(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
diff --git a/stage0/stdlib/Lean/Server/Rpc/Deriving.c b/stage0/stdlib/Lean/Server/Rpc/Deriving.c
index e57278cfcf..63b0cdafb1 100644
--- a/stage0/stdlib/Lean/Server/Rpc/Deriving.c
+++ b/stage0/stdlib/Lean/Server/Rpc/Deriving.c
@@ -31,6 +31,7 @@ static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncod
 lean_object* l___private_Lean_MetavarContext_0__Lean_DependsOn_shouldVisit(lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at_Lean_Server_RpcEncoding_withFieldsFlattened___spec__2___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFields___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__25(lean_object*);
+lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInstance___spec__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__151;
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___lambda__1___closed__4;
@@ -512,7 +513,6 @@ LEAN_EXPORT lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_Rpc
 LEAN_EXPORT lean_object* l_List_forIn_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__34(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFieldsAux___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__26(lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__162;
-lean_object* l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___closed__3;
 LEAN_EXPORT lean_object* l_Array_mapMUnsafe_map___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
@@ -583,7 +583,6 @@ lean_object* l_Lean_Expr_getAppNumArgsAux(lean_object*, lean_object*);
 static lean_object* l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__17___closed__1;
 LEAN_EXPORT lean_object* l_Lean_Meta_withLocalDecls___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___spec__45___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__236;
-lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 LEAN_EXPORT lean_object* l___private_Init_Data_Array_BinSearch_0__Array_binInsertAux___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__15___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___lambda__1___closed__1;
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__86;
@@ -766,6 +765,7 @@ static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncod
 LEAN_EXPORT lean_object* l_Array_binInsertM___at___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveStructureInstance___spec__14(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___lambda__4___closed__14;
 LEAN_EXPORT lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveInductiveInstance___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn(lean_object*);
 LEAN_EXPORT lean_object* l_Lean_Server_RpcEncoding_withFields___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 static lean_object* l___private_Lean_Server_Rpc_Deriving_0__Lean_Server_RpcEncoding_deriveWithRefInstance___closed__139;
@@ -10729,7 +10729,7 @@ lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; uint
 x_41 = lean_ctor_get(x_35, 1);
 lean_inc(x_41);
 lean_dec(x_35);
-x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_41);
+x_42 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_11, x_4, x_5, x_6, x_7, x_8, x_9, x_41);
 x_43 = lean_ctor_get(x_42, 0);
 lean_inc(x_43);
 x_44 = lean_ctor_get(x_42, 1);
@@ -10782,7 +10782,7 @@ x_28 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_29 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_29, 0, x_27);
 lean_ctor_set(x_29, 1, x_28);
-x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_11, x_29, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
+x_30 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_11, x_29, x_4, x_5, x_6, x_7, x_8, x_9, x_13);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_30, 1);
@@ -16630,7 +16630,7 @@ x_43 = lean_ctor_get(x_37, 1);
 lean_inc(x_43);
 lean_dec(x_37);
 lean_inc(x_1);
-x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
+x_44 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_1, x_6, x_7, x_8, x_9, x_10, x_11, x_43);
 x_45 = lean_ctor_get(x_44, 0);
 lean_inc(x_45);
 x_46 = lean_ctor_get(x_44, 1);
@@ -16689,7 +16689,7 @@ lean_ctor_set(x_30, 1, x_29);
 x_31 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
 lean_ctor_set(x_31, 1, x_18);
-x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_1, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
+x_32 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_1, x_31, x_6, x_7, x_8, x_9, x_10, x_11, x_14);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
 x_34 = lean_ctor_get(x_32, 1);
@@ -18651,7 +18651,7 @@ x_38 = lean_ctor_get(x_32, 1);
 lean_inc(x_38);
 lean_dec(x_32);
 lean_inc(x_7);
-x_39 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
+x_39 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_7, x_9, x_10, x_11, x_12, x_13, x_14, x_38);
 x_40 = lean_ctor_get(x_39, 0);
 lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
@@ -18690,7 +18690,7 @@ x_25 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_26 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_26, 0, x_24);
 lean_ctor_set(x_26, 1, x_25);
-x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_7, x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
+x_27 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_7, x_26, x_9, x_10, x_11, x_12, x_13, x_14, x_17);
 x_28 = lean_ctor_get(x_27, 0);
 lean_inc(x_28);
 x_29 = lean_ctor_get(x_27, 1);
@@ -18840,7 +18840,7 @@ lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; uint
 x_40 = lean_ctor_get(x_34, 1);
 lean_inc(x_40);
 lean_dec(x_34);
-x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_40);
+x_41 = l___private_Lean_Util_Trace_0__Lean_checkTraceOptionM___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__2(x_10, x_3, x_4, x_5, x_6, x_7, x_8, x_40);
 x_42 = lean_ctor_get(x_41, 0);
 lean_inc(x_42);
 x_43 = lean_ctor_get(x_41, 1);
@@ -18892,7 +18892,7 @@ x_27 = l_Array_forInUnsafe_loop___at___private_Lean_Server_Rpc_Deriving_0__Lean_
 x_28 = lean_alloc_ctor(10, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
-x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_postponeElabTerm___spec__1(x_10, x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
+x_29 = l_Lean_addTrace___at___private_Lean_Elab_Term_0__Lean_Elab_Term_tryCoe___spec__1(x_10, x_28, x_3, x_4, x_5, x_6, x_7, x_8, x_12);
 x_30 = lean_ctor_get(x_29, 0);
 lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
diff --git a/stage0/stdlib/Lean/Util/OccursCheck.c b/stage0/stdlib/Lean/Util/OccursCheck.c
index 4f8c88361c..1781c3e82d 100644
--- a/stage0/stdlib/Lean/Util/OccursCheck.c
+++ b/stage0/stdlib/Lean/Util/OccursCheck.c
@@ -1043,7 +1043,7 @@ lean_dec(x_25);
 x_40 = lean_ctor_get(x_39, 1);
 lean_inc(x_40);
 lean_dec(x_39);
-x_41 = l_Lean_occursCheck_visit___rarg(x_1, x_2, x_3, x_40, x_38);
+x_41 = l_Lean_occursCheck_visitMVar___rarg(x_1, x_2, x_3, x_40, x_38);
 return x_41;
 }
 }