diff --git a/stage0/src/Init/Data/Array/Basic.lean b/stage0/src/Init/Data/Array/Basic.lean
index 279c774391..af0a6fb236 100644
--- a/stage0/src/Init/Data/Array/Basic.lean
+++ b/stage0/src/Init/Data/Array/Basic.lean
@@ -717,7 +717,7 @@ export Array (mkArray)
 | []    => 0
 | _::as => as.redLength + 1
 
-@[inline] def List.toArray {α : Type u} (as : List α) : Array α :=
+@[inline, matchPattern] def List.toArray {α : Type u} (as : List α) : Array α :=
 as.toArrayAux (Array.mkEmpty as.redLength)
 
 namespace Array
diff --git a/stage0/src/Lean/Elab/Match.lean b/stage0/src/Lean/Elab/Match.lean
index aa0c17b617..9c893ae34b 100644
--- a/stage0/src/Lean/Elab/Match.lean
+++ b/stage0/src/Lean/Elab/Match.lean
@@ -98,8 +98,8 @@ alts.map mkMatchAltView
 def mkInaccessible (e : Expr) : Expr :=
 mkAnnotation `_inaccessible e
 
-def isInaccessible? (e : Expr) : Option Expr :=
-isAnnotation? `_inaccessible e
+def inaccessible? (e : Expr) : Option Expr :=
+annotation? `_inaccessible e
 
 inductive PatternVar
 | localVar     (userName : Name)
@@ -369,7 +369,7 @@ private partial def withPatternVarsAux {α} (pVars : Array PatternVar) (k : Arra
 private def withPatternVars {α} (pVars : Array PatternVar) (k : Array PatternVarDecl → TermElabM α) : TermElabM α :=
 withPatternVarsAux pVars k 0 #[]
 
-private partial def elabPatternsAux (patternStxs : Array Syntax) : Nat → Expr → Array Expr → TermElabM (Array Expr)
+private partial def elabPatternsAux (patternStxs : Array Syntax) : Nat → Expr → Array Expr → TermElabM (Array Expr × Expr)
 | i, matchType, patterns =>
   if h : i < patternStxs.size then do
     matchType ← whnf matchType;
@@ -381,7 +381,7 @@ private partial def elabPatternsAux (patternStxs : Array Syntax) : Nat → Expr
       elabPatternsAux (i+1) (b.instantiate1 pattern) (patterns.push pattern)
     | _ => throwError "unexpected match type"
   else
-    pure patterns
+    pure (patterns, matchType)
 
 def finalizePatternDecls (patternVarDecls : Array PatternVarDecl) : TermElabM (Array LocalDecl) :=
 patternVarDecls.foldlM
@@ -400,21 +400,130 @@ patternVarDecls.foldlM
           pure $ decls.push decl))
   #[]
 
-private def elabPatterns (patternVarDecls : Array PatternVarDecl) (patternStxs : Array Syntax) (matchType : Expr) : TermElabM (Array Expr) := do
-patterns ← withSynthesize $ elabPatternsAux patternStxs 0 matchType #[];
-patterns ← patterns.mapM instantiateMVars;
-decls ← finalizePatternDecls patternVarDecls;
-trace `Elab.match fun _ => MessageData.ofArray $ decls.map fun (d : LocalDecl) => (d.userName ++ " : " ++ d.type : MessageData);
-trace `Elab.match fun _ => "patterns: " ++ patterns;
-pure patterns
+namespace ToDepElimPattern
 
-def elabMatchAltView (alt : MatchAltView) (matchType : Expr) : TermElabM (Meta.DepElim.AltLHS × Expr) := do
+structure State :=
+(found : NameSet := {})
+
+abbrev M := StateT State TermElabM
+
+private def alreadyVisited (fvarId : FVarId) : M Bool := do
+s ← get;
+pure $ s.found.contains fvarId
+
+private def markAsVisited (fvarId : FVarId) : M Unit :=
+modify $ fun s => { s with found := s.found.insert fvarId }
+
+private def throwInvalidPattern {α} (e : Expr) : M α :=
+liftM $ throwError ("invalid pattern " ++ indentExpr e)
+
+private def getFieldsBinderInfoAux (ctorVal : ConstructorVal) : Nat → Expr → Array BinderInfo → Array BinderInfo
+| i, Expr.forallE _ d b c, bis =>
+  if i < ctorVal.nparams then
+    getFieldsBinderInfoAux (i+1) b bis
+  else
+    getFieldsBinderInfoAux (i+1) b (bis.push c.binderInfo)
+| _, _, bis => bis
+
+private def getFieldsBinderInfo (ctorVal : ConstructorVal) : Array BinderInfo :=
+getFieldsBinderInfoAux ctorVal 0 ctorVal.type #[]
+
+partial def main (localDecls : Array LocalDecl) : Expr → M Meta.DepElim.Pattern
+| e =>
+  let isLocalDecl (fvarId : FVarId) : Bool :=
+    localDecls.any fun d => d.fvarId == fvarId;
+  let mkPatternVar (fvarId : FVarId) (e : Expr) : M Meta.DepElim.Pattern := do {
+    condM (alreadyVisited fvarId)
+      (pure $ Meta.DepElim.Pattern.inaccessible e)
+      (do markAsVisited fvarId; pure $ Meta.DepElim.Pattern.var e.fvarId!)
+  };
+  let mkInaccessible (e : Expr) : M Meta.DepElim.Pattern := do {
+    match e with
+    | Expr.fvar fvarId _ =>
+      if isLocalDecl fvarId then
+        mkPatternVar fvarId e
+      else
+        pure $ Meta.DepElim.Pattern.inaccessible e
+    | _ =>
+      pure $ Meta.DepElim.Pattern.inaccessible e
+  };
+  match inaccessible? e with
+  | some t => mkInaccessible t
+  | none   =>
+  match e.arrayLit? with
+  | some (α, lits) => do
+    ps ← lits.mapM main;
+    pure $ Meta.DepElim.Pattern.arrayLit α ps
+  | none =>
+  if e.isAppOfArity `namedPattern 3 then do
+    p ← main $ e.getArg! 2;
+    match e.getArg! 1 with
+    | Expr.fvar fvarId _ => pure $ Meta.DepElim.Pattern.as fvarId p
+    | _                  => liftM $ throwError "unexpected occurrence of auxiliary declaration 'namedPattern'"
+  else if e.isNatLit || e.isStringLit || e.isCharLit then
+    pure $ Meta.DepElim.Pattern.val e
+  else if e.isFVar then do
+    let fvarId := e.fvarId!;
+    unless (isLocalDecl fvarId) $ throwInvalidPattern e;
+    mkPatternVar fvarId e
+  else do
+    newE ← liftM $ whnf e;
+    if newE != e then
+      main newE
+    else match e.getAppFn with
+      | Expr.const declName us _ => do
+        env ← liftM getEnv;
+        match env.find? declName with
+        | ConstantInfo.ctorInfo v =>  do
+          let args := e.getAppArgs;
+          unless (args.size == v.nparams + v.nfields) $ throwInvalidPattern e;
+          let params := args.extract 0 v.nparams;
+          let fields := args.extract v.nparams args.size;
+          let binderInfos := getFieldsBinderInfo v;
+          fields ← fields.mapIdxM fun i field => do {
+            let binderInfo := binderInfos.get! i;
+            if binderInfo.isExplicit then
+              main field
+            else
+              mkInaccessible field
+          };
+          pure $ Meta.DepElim.Pattern.ctor declName us params.toList fields.toList
+        | _ => throwInvalidPattern e
+      | _ => throwInvalidPattern e
+
+end ToDepElimPattern
+
+def toDepElimPattern (localDecls : Array LocalDecl) (e : Expr) : TermElabM Meta.DepElim.Pattern :=
+(ToDepElimPattern.main localDecls e).run' {}
+
+private def elabPatterns (patternVarDecls : Array PatternVarDecl) (patternStxs : Array Syntax) (matchType : Expr) : TermElabM (Meta.DepElim.AltLHS × Expr) := do
+(patterns, matchType) ← withSynthesize $ elabPatternsAux patternStxs 0 matchType #[];
+localDecls ← finalizePatternDecls patternVarDecls;
+patterns ← patterns.mapM instantiateMVars;
+patterns.forM $ fun pattern => when pattern.hasExprMVar $ throwError ("pattern contains metavariables " ++ indentExpr pattern);
+patterns ← patterns.mapM $ toDepElimPattern localDecls;
+trace `Elab.match fun _ => "patterns: " ++ MessageData.ofArray (patterns.map fun (p : Meta.DepElim.Pattern) => p.toMessageData);
+pure ({ localDecls := localDecls.toList, patterns := patterns.toList }, matchType)
+
+def elabMatchAltView (alt : MatchAltView) (matchType : Expr) : TermElabM (Meta.DepElim.AltLHS × Expr) :=
+withRef alt.ref do
 (patternVars, alt) ← collectPatternVars alt;
-withRef alt.ref $ trace `Elab.match fun _ => "patternVars: " ++ toString patternVars;
+trace `Elab.match fun _ => "patternVars: " ++ toString patternVars;
 withPatternVars patternVars fun patternVarDecls => do
-  ps ← withRef alt.ref $ elabPatterns patternVarDecls alt.patterns matchType;
-  -- TODO
-  pure (⟨[], []⟩, arbitrary _)
+  (altLHS, matchType) ← elabPatterns patternVarDecls alt.patterns matchType;
+  rhs ← elabTerm alt.rhs matchType;
+  let xs := altLHS.localDecls.toArray.map LocalDecl.toExpr;
+  rhs ← if xs.isEmpty then pure $ mkThunk rhs else mkLambda xs rhs;
+  trace `Elab.match fun _ => "rhs: " ++ rhs;
+  pure (altLHS, rhs)
+
+def mkMotiveType (matchType : Expr) (expectedType : Expr) : TermElabM Expr := do
+liftMetaM $ Meta.forallTelescopeReducing matchType fun xs matchType => do
+  u ← Meta.getLevel matchType;
+  Meta.mkForall xs (mkSort u)
+
+def mkElim (elimName : Name) (motiveType : Expr) (lhss : List Meta.DepElim.AltLHS) : TermElabM Meta.DepElim.ElimResult :=
+liftMetaM $ Meta.DepElim.mkElim elimName motiveType lhss
 
 /-
 ```
@@ -432,7 +541,18 @@ matchType ← elabMatchOptType stx discrStxs.size;
 matchAlts ← expandMacrosInPatterns $ getMatchAlts stx;
 discrs ← elabDiscrs discrStxs matchType expectedType;
 alts ← matchAlts.mapM $ fun alt => elabMatchAltView alt matchType;
-throwError ("WIP type: " ++ matchType ++ "\n" ++ discrs ++ "\n" ++ toString (matchAlts.map fun alt => toString alt.patterns))
+let rhss := alts.map Prod.snd;
+let altLHSS := alts.map Prod.fst;
+motiveType ← mkMotiveType matchType expectedType;
+motive ← liftMetaM $ Meta.forallTelescopeReducing matchType fun xs matchType => Meta.mkLambda xs matchType;
+elimName ← mkAuxName `elim;
+elimResult ← mkElim elimName motiveType altLHSS.toList;
+-- TODO: report `eliminator errors`.
+let r := mkApp elimResult.elim motive;
+let r := mkAppN r discrs;
+let r := mkAppN r rhss;
+trace `Elab.match fun _ => "result: " ++ r;
+pure r
 
 /- Auxiliary method for `expandMatchDiscr?` -/
 private partial def mkMatchType (discrs : Array Syntax) : Nat → MacroM Syntax
diff --git a/stage0/src/Lean/Elab/StructInst.lean b/stage0/src/Lean/Elab/StructInst.lean
index f88e3d900a..843251f3d5 100644
--- a/stage0/src/Lean/Elab/StructInst.lean
+++ b/stage0/src/Lean/Elab/StructInst.lean
@@ -486,8 +486,8 @@ pure r
 def markDefaultMissing (e : Expr) : Expr :=
 mkAnnotation `structInstDefault e
 
-def isDefaultMissing? (e : Expr) : Option Expr :=
-isAnnotation? `structInstDefault e
+def defaultMissing? (e : Expr) : Option Expr :=
+annotation? `structInstDefault e
 
 def throwFailedToElabField {α} (fieldName : Name) (structName : Name) (msgData : MessageData) : TermElabM α :=
 throwError ("failed to elaborate field '" ++ fieldName ++ "' of '" ++ structName ++ ", " ++ msgData)
@@ -581,7 +581,7 @@ partial def findDefaultMissing? (mctx : MetavarContext) : Struct → Option (Fie
    | FieldVal.nested struct => findDefaultMissing? struct
    | _ => match field.expr? with
      | none      => unreachable!
-     | some expr => match isDefaultMissing? expr with
+     | some expr => match defaultMissing? expr with
        | some (Expr.mvar mvarId _) => if mctx.isExprAssigned mvarId then none else some field
        | _                         => none
 
@@ -669,7 +669,7 @@ partial def reduce (structNames : Array Name) : Expr → MetaM Expr
       pure (mkAppN f' args)
 | e@(Expr.mdata _ b _) => do
   b ← reduce b;
-  if (isDefaultMissing? e).isSome && !b.isMVar then
+  if (defaultMissing? e).isSome && !b.isMVar then
     pure b
   else
     pure $ e.updateMData! b
@@ -696,7 +696,7 @@ partial def tryToSynthesizeDefaultAux (structs : Array Struct) (allStructNames :
       | none     => do setMCtx mctx; tryToSynthesizeDefaultAux (i+1) (dist+1)
       | some val => do
         val ← liftMetaM $ reduce allStructNames val;
-        match val.find? $ fun e => (isDefaultMissing? e).isSome with
+        match val.find? $ fun e => (defaultMissing? e).isSome with
         | some _ => do setMCtx mctx; tryToSynthesizeDefaultAux (i+1) (dist+1)
         | none   => do
           mvarDecl ← getMVarDecl mvarId;
@@ -718,7 +718,7 @@ partial def step : Struct → M Unit
     | FieldVal.nested struct => step struct
     | _ => match field.expr? with
       | none      => unreachable!
-      | some expr => match isDefaultMissing? expr with
+      | some expr => match defaultMissing? expr with
         | some (Expr.mvar mvarId _) =>
           unlessM (liftM $ isExprMVarAssigned mvarId) $ do
             ctx ← read;
diff --git a/stage0/src/Lean/Expr.lean b/stage0/src/Lean/Expr.lean
index 06c9bc3889..f8a7f6ce0b 100644
--- a/stage0/src/Lean/Expr.lean
+++ b/stage0/src/Lean/Expr.lean
@@ -202,6 +202,21 @@ instance : Inhabited Expr :=
 | proj _ _ _ d    => d
 | localE _ _ _ d  => d
 
+def ctorName : Expr → String
+| bvar _ _        => "bvar"
+| fvar _ _        => "fvar"
+| mvar _ _        => "mvar"
+| sort _ _        => "sort"
+| const _ _ _     => "const"
+| app _ _ _       => "app"
+| lam _ _ _ _     => "lam"
+| forallE _ _ _ _ => "forallE"
+| letE _ _ _ _ _  => "letE"
+| lit _ _         => "lit"
+| mdata _ _ _     => "mdata"
+| proj _ _ _ _    => "proj"
+| localE _ _ _ _  => "localE"
+
 def hash (e : Expr) : USize :=
 e.data.hash
 
@@ -306,6 +321,14 @@ Expr.forallE x t b $ mkDataForBinder (mixHash 37 $ mixHash (hash t) (hash b))
   (t.hasLevelParam || b.hasLevelParam)
   bi
 
+/- Return `Unit -> type` -/
+def mkThunkType (type : Expr) : Expr :=
+mkForall Name.anonymous BinderInfo.default (Lean.mkConst `Unit) type
+
+/- Return `fun (_ : Unit), e` -/
+def mkThunk (type : Expr) : Expr :=
+mkLambda `_ BinderInfo.default (Lean.mkConst `Unit) type
+
 def mkLet (x : Name) (t : Expr) (v : Expr) (b : Expr) (nonDep : Bool := false) : Expr :=
 let x := x.eraseMacroScopes;
 Expr.letE x t v b $ mkDataForLet (mixHash 41 $ mixHash (hash t) $ mixHash (hash v) (hash b))
@@ -427,14 +450,6 @@ def isLit : Expr → Bool
 | lit _ _ => true
 | _       => false
 
-def isNatLit : Expr → Bool
-| lit (Literal.natVal _) _ => true
-| _                        => false
-
-def isStringLit : Expr → Bool
-| lit (Literal.strVal _) _ => true
-| _                        => false
-
 def getAppFn : Expr → Expr
 | app f a _ => getAppFn f
 | e         => e
@@ -512,6 +527,21 @@ def appArg! : Expr → Expr
 | app _ a _ => a
 | _         => panic! "application expected"
 
+def isNatLit : Expr → Bool
+| lit (Literal.natVal _) _ => true
+| _                        => false
+
+def natLit? : Expr → Option Nat
+| lit (Literal.natVal v) _ => v
+| _                        => none
+
+def isStringLit : Expr → Bool
+| lit (Literal.strVal _) _ => true
+| _                        => false
+
+def isCharLit (e : Expr) : Bool :=
+e.isAppOfArity `Char.ofNat 1 && e.appArg!.isNatLit
+
 def constName! : Expr → Name
 | const n _ _ => n
 | _           => panic! "constant expected"
@@ -960,9 +990,9 @@ end Expr
 def mkAnnotation (kind : Name) (e : Expr) : Expr :=
 mkMData (KVMap.empty.insert kind (DataValue.ofBool true)) e
 
-def isAnnotation? (kind : Name) (e : Expr) : Option Expr :=
+def annotation? (kind : Name) (e : Expr) : Option Expr :=
 match e with
-| Expr.mdata d e _ => if d.size == 1 && d.getBool kind false then some e else none
+| Expr.mdata d b _ => if d.size == 1 && d.getBool kind false then some b else none
 | _                => none
 
 end Lean
diff --git a/stage0/src/Lean/Meta/EqnCompiler/DepElim.lean b/stage0/src/Lean/Meta/EqnCompiler/DepElim.lean
index a163c5c58b..710048effc 100644
--- a/stage0/src/Lean/Meta/EqnCompiler/DepElim.lean
+++ b/stage0/src/Lean/Meta/EqnCompiler/DepElim.lean
@@ -18,105 +18,97 @@ namespace DepElim
 abbrev VarId := Name
 
 inductive Pattern (internal : Bool := false) : Type
-| inaccessible (ref : Syntax) (e : Expr) : Pattern
-| var          (ref : Syntax) (varId : VarId) : Pattern
-| ctor         (ref : Syntax) (ctorName : Name) (us : List Level) (params : List Expr) (fields : List Pattern) : Pattern
-| val          (ref : Syntax) (e : Expr) : Pattern
-| arrayLit     (ref : Syntax) (type : Expr) (xs : List Pattern) : Pattern
-| as           (ref : Syntax) (varId : VarId) (p : Pattern) : Pattern
+| inaccessible (e : Expr) : Pattern
+| var          (varId : VarId) : Pattern
+| ctor         (ctorName : Name) (us : List Level) (params : List Expr) (fields : List Pattern) : Pattern
+| val          (e : Expr) : Pattern
+| arrayLit     (type : Expr) (xs : List Pattern) : Pattern
+| as           (varId : VarId) (p : Pattern) : Pattern
 
 abbrev IPattern := Pattern true
 
 namespace Pattern
 
-instance {b} : Inhabited (Pattern b) := ⟨Pattern.inaccessible Syntax.missing (arbitrary _)⟩
-
-def ref {b : Bool} : Pattern b → Syntax
-| inaccessible r _ => r
-| var r _          => r
-| ctor r _ _ _ _   => r
-| val r _          => r
-| arrayLit r _ _   => r
-| as r _ _         => r
+instance {b} : Inhabited (Pattern b) := ⟨Pattern.inaccessible (arbitrary _)⟩
 
 partial def toMessageData {b : Bool} : Pattern b → MessageData
-| inaccessible _ e         => ".(" ++ e ++ ")"
-| var _ varId              => if b then mkMVar varId else mkFVar varId
-| ctor _ ctorName _ _ []   => ctorName
-| ctor _ ctorName _ _ pats => "(" ++ ctorName ++ pats.foldl (fun (msg : MessageData) pat => msg ++ " " ++ toMessageData pat) Format.nil ++ ")"
-| val _ e                  => "val!(" ++ e ++ ")"
-| arrayLit _ _ pats        => "#[" ++ MessageData.joinSep (pats.map toMessageData) ", " ++ "]"
-| as _ varId p             => (if b then mkMVar varId else mkFVar varId) ++ "@" ++toMessageData p
+| inaccessible e         => ".(" ++ e ++ ")"
+| var varId              => if b then mkMVar varId else mkFVar varId
+| ctor ctorName _ _ []   => ctorName
+| ctor ctorName _ _ pats => "(" ++ ctorName ++ pats.foldl (fun (msg : MessageData) pat => msg ++ " " ++ toMessageData pat) Format.nil ++ ")"
+| val e                  => "val!(" ++ e ++ ")"
+| arrayLit _ pats        => "#[" ++ MessageData.joinSep (pats.map toMessageData) ", " ++ "]"
+| as varId p             => (if b then mkMVar varId else mkFVar varId) ++ "@" ++toMessageData p
 
 partial def toExpr {b} : Pattern b → MetaM Expr
-| inaccessible _ e                 => pure e
-| var _ varId                      => if b then pure (mkMVar varId) else pure (mkFVar varId)
-| val _ e                          => pure e
-| as _ _ p                         => toExpr p
-| arrayLit _ type xs               => do
+| inaccessible e                 => pure e
+| var varId                      => if b then pure (mkMVar varId) else pure (mkFVar varId)
+| val e                          => pure e
+| as _ p                         => toExpr p
+| arrayLit type xs               => do
   xs ← xs.mapM toExpr;
   mkArrayLit type xs
-| ctor _ ctorName us params fields => do
+| ctor ctorName us params fields => do
   fields ← fields.mapM toExpr;
   pure $ mkAppN (mkConst ctorName us) (params ++ fields).toArray
 
 /- Apply the free variable substitution `s` to the given (internal) pattern -/
 partial def applyFVarSubst (s : FVarSubst) : Pattern true → IPattern
-| inaccessible r e  => inaccessible r $ s.apply e
-| ctor r n us ps fs => ctor r n us (ps.map s.apply) $ fs.map applyFVarSubst
-| val r e           => val r $ s.apply e
-| arrayLit r t xs   => arrayLit r (s.apply t) $ xs.map applyFVarSubst
-| var r id          => var r id
-| as r v p          => as r v $ applyFVarSubst p
+| inaccessible e  => inaccessible $ s.apply e
+| ctor n us ps fs => ctor n us (ps.map s.apply) $ fs.map applyFVarSubst
+| val e           => val $ s.apply e
+| arrayLit t xs   => arrayLit (s.apply t) $ xs.map applyFVarSubst
+| var id          => var id
+| as v p          => as v $ applyFVarSubst p
 
 partial def instantiateMVars : IPattern →  MetaM IPattern
-| inaccessible r e  => inaccessible r <$> Meta.instantiateMVars e
-| ctor r n us ps fs => ctor r n us <$> ps.mapM Meta.instantiateMVars <*> fs.mapM instantiateMVars
-| val r e           => val r <$> Meta.instantiateMVars e
-| arrayLit r t xs   => arrayLit r <$> Meta.instantiateMVars t <*> xs.mapM instantiateMVars
-| var ref mvarId    => do
+| inaccessible e  => inaccessible <$> Meta.instantiateMVars e
+| ctor n us ps fs => ctor n us <$> ps.mapM Meta.instantiateMVars <*> fs.mapM instantiateMVars
+| val e           => val <$> Meta.instantiateMVars e
+| arrayLit t xs   => arrayLit <$> Meta.instantiateMVars t <*> xs.mapM instantiateMVars
+| var mvarId      => do
   mctx ← getMCtx;
   match mctx.getExprAssignment? mvarId with
-  | some v => inaccessible ref <$> Meta.instantiateMVars v
-  | none   => pure (var ref mvarId)
-| as ref mvarId p   => do
+  | some v => inaccessible <$> Meta.instantiateMVars v
+  | none   => pure (var mvarId)
+| as mvarId p   => do
   mctx ← getMCtx;
   match mctx.getExprAssignment? mvarId with
   | some v => instantiateMVars p
-  | none   => as ref mvarId <$> instantiateMVars p
+  | none   => as mvarId <$> instantiateMVars p
 
 partial def applyMVarRenaming (m : MVarRenaming) : Pattern true → IPattern
-| inaccessible r e  => inaccessible r $ m.apply e
-| ctor r n us ps fs => ctor r n us (ps.map m.apply) $ fs.map applyMVarRenaming
-| val r e           => val r $ m.apply e
-| arrayLit r t xs   => arrayLit r (m.apply t) $ xs.map applyMVarRenaming
-| var ref mvarId    =>
+| inaccessible e  => inaccessible $ m.apply e
+| ctor n us ps fs => ctor n us (ps.map m.apply) $ fs.map applyMVarRenaming
+| val e           => val $ m.apply e
+| arrayLit t xs   => arrayLit (m.apply t) $ xs.map applyMVarRenaming
+| var mvarId    =>
   match m.find? mvarId with
-  | some newMVarId => var ref newMVarId
-  | none           => var ref mvarId
-| as ref mvarId p   =>
+  | some newMVarId => var newMVarId
+  | none           => var mvarId
+| as mvarId p   =>
   match m.find? mvarId with
-  | some newMVarId => as ref newMVarId $ applyMVarRenaming p
-  | none           => as ref mvarId $ applyMVarRenaming p
+  | some newMVarId => as newMVarId $ applyMVarRenaming p
+  | none           => as mvarId $ applyMVarRenaming p
 
 partial def toIPattern (s : FVarSubst) : Pattern → IPattern
-| inaccessible r e  => inaccessible r $ s.apply e
-| ctor r n us ps fs => ctor r n us (ps.map s.apply) $ fs.map toIPattern
-| val r e           => val r $ s.apply e
-| arrayLit r t xs   => arrayLit r (s.apply t) $ xs.map toIPattern
-| var ref fvarId    =>
+| inaccessible e  => inaccessible $ s.apply e
+| ctor n us ps fs => ctor n us (ps.map s.apply) $ fs.map toIPattern
+| val e           => val $ s.apply e
+| arrayLit t xs   => arrayLit (s.apply t) $ xs.map toIPattern
+| var fvarId    =>
   match s.get fvarId with
-  | Expr.mvar mvarId _ => Pattern.var ref mvarId
+  | Expr.mvar mvarId _ => Pattern.var mvarId
   | _                  => unreachable!
-| as ref fvarId p   =>
+| as fvarId p   =>
   match s.get fvarId with
-  | Expr.mvar mvarId _ => Pattern.as ref mvarId $ toIPattern p
+  | Expr.mvar mvarId _ => Pattern.as mvarId $ toIPattern p
   | _                  => unreachable!
 
 end Pattern
 
 structure AltLHS :=
-(fvarDecls : List LocalDecl) -- Free variables used in the patterns.
+(localDecls : List LocalDecl) -- Free variables used in the patterns.
 (patterns  : List Pattern)   -- We use `List Pattern` since we have nary match-expressions.
 
 structure Alt :=
@@ -289,29 +281,26 @@ private def localDeclsToMVarsAux : List LocalDecl → List MVarId → FVarSubst
   let s := s.insert d.fvarId mvar;
   localDeclsToMVarsAux ds (mvar.mvarId! :: mvars) s
 
-private def localDeclsToMVars (fvarDecls : List LocalDecl) : MetaM (List MVarId × FVarSubst) :=
-localDeclsToMVarsAux fvarDecls [] {}
-
-private def mkThunk (type : Expr) : Expr :=
-Lean.mkForall `u BinderInfo.default (Lean.mkConst `Unit) type
+private def localDeclsToMVars (localDecls : List LocalDecl) : MetaM (List MVarId × FVarSubst) :=
+localDeclsToMVarsAux localDecls [] {}
 
 private partial def withAltsAux {α} (motive : Expr) : List AltLHS → List Alt → Array Expr → (List Alt → Array Expr → MetaM α) → MetaM α
 | [],        alts, minors, k => k alts.reverse minors
 | lhs::lhss, alts, minors, k => do
-  let xs := lhs.fvarDecls.toArray.map LocalDecl.toExpr;
-  minorType ← withExistingLocalDecls lhs.fvarDecls do {
+  let xs := lhs.localDecls.toArray.map LocalDecl.toExpr;
+  minorType ← withExistingLocalDecls lhs.localDecls do {
     args ← lhs.patterns.toArray.mapM Pattern.toExpr;
     let minorType := mkAppN motive args;
     mkForall xs minorType
   };
-  let minorType := if minorType.isForall then minorType else mkThunk minorType;
+  let minorType := if minorType.isForall then minorType else mkThunkType minorType;
   let idx       := alts.length;
   let minorName := (`h).appendIndexAfter (idx+1);
   trace! `Meta.EqnCompiler.matchDebug ("minor premise " ++ minorName ++ " : " ++ minorType);
   withLocalDecl minorName minorType BinderInfo.default fun minor => do
     let rhs    := if xs.isEmpty then mkApp minor (mkConst `Unit.unit) else mkAppN minor xs;
     let minors := minors.push minor;
-    (mvars, s) ← localDeclsToMVars lhs.fvarDecls;
+    (mvars, s) ← localDeclsToMVars lhs.localDecls;
     let patterns := lhs.patterns.map (fun p => p.toIPattern s);
     let rhs      := s.apply rhs;
     let alts   := { idx := idx, rhs := rhs, mvars := mvars, patterns := patterns : Alt } :: alts;
@@ -340,21 +329,21 @@ match p.vars with
 
 private def hasAsPattern (p : Problem) : Bool :=
 p.alts.any fun alt => match alt.patterns with
-  | Pattern.as _ _ _ :: _ => true
-  | _                     => false
+  | Pattern.as _ _ :: _ => true
+  | _                   => false
 
 /- Return true if the next pattern of each remaining alternative is an inaccessible term or a variable -/
 private def isVariableTransition (p : Problem) : Bool :=
 p.alts.all fun alt => match alt.patterns with
-  | Pattern.inaccessible _ _ :: _ => true
-  | Pattern.var _ _ :: _          => true
-  | _                             => false
+  | Pattern.inaccessible _ :: _ => true
+  | Pattern.var _ :: _          => true
+  | _                           => false
 
 /- Return true if the next pattern of each remaining alternative is a constructor application -/
 private def isConstructorTransition (p : Problem) : Bool :=
 p.alts.all fun alt => match alt.patterns with
-  | Pattern.ctor _ _ _ _ _ :: _ => true
-  | _                           => false
+  | Pattern.ctor _ _ _ _ :: _ => true
+  | _                         => false
 
 /- Return true if the next pattern of the remaining alternatives contain variables AND constructors. -/
 private def isCompleteTransition (p : Problem) : Bool :=
@@ -362,9 +351,9 @@ let (ok, hasVar, hasCtor) := p.alts.foldl
   (fun (acc : Bool × Bool × Bool) (alt : Alt) =>
     let (ok, hasVar, hasCtor) := acc;
     match alt.patterns with
-    | Pattern.ctor _ _ _ _ _ :: _ => (ok, hasVar, true)
-    | Pattern.var _ _ :: _        => (ok, true, hasCtor)
-    | _                           => (false, hasVar, hasCtor))
+    | Pattern.ctor _ _ _ _ :: _ => (ok, hasVar, true)
+    | Pattern.var _ :: _        => (ok, true, hasCtor)
+    | _                         => (false, hasVar, hasCtor))
   (true, false, false);
 ok && hasVar && hasCtor
 
@@ -374,9 +363,9 @@ let (ok, hasVar, hasVal) := p.alts.foldl
   (fun (acc : Bool × Bool × Bool) (alt : Alt) =>
     let (ok, hasVar, hasVal) := acc;
     match alt.patterns with
-    | Pattern.val _ _ :: _ => (ok, hasVar, true)
-    | Pattern.var _ _ :: _ => (ok, true, hasVal)
-    | _                    => (false, hasVar, hasVal))
+    | Pattern.val _ :: _ => (ok, hasVar, true)
+    | Pattern.var _ :: _ => (ok, true, hasVal)
+    | _                  => (false, hasVar, hasVal))
   (true, false, false);
 ok && hasVar && hasVal
 
@@ -386,9 +375,9 @@ let (ok, hasVar, hasArray) := p.alts.foldl
   (fun (acc : Bool × Bool × Bool) (alt : Alt) =>
     let (ok, hasVar, hasArray) := acc;
     match alt.patterns with
-    | Pattern.arrayLit _ _ _ :: _ => (ok, hasVar, true)
-    | Pattern.var _ _ :: _        => (ok, true, hasArray)
-    | _                           => (false, hasVar, hasArray))
+    | Pattern.arrayLit _ _ :: _ => (ok, hasVar, true)
+    | Pattern.var _ :: _        => (ok, true, hasArray)
+    | _                         => (false, hasVar, hasArray))
   (true, false, false);
 ok && hasVar && hasArray
 
@@ -418,7 +407,7 @@ match p.vars with
 | []      => unreachable!
 | x :: xs => do
   alts ← p.alts.mapM fun alt => match alt.patterns with
-    | Pattern.as _ mvarId p :: ps     => do
+    | Pattern.as mvarId p :: ps     => do
       assignExprMVar mvarId x;
       rhs ← instantiateMVars alt.rhs;
       let mvars := alt.mvars.erase mvarId;
@@ -434,8 +423,8 @@ match p.vars with
 | []      => unreachable!
 | x :: xs => do
   alts ← p.alts.mapM fun alt => match alt.patterns with
-    | Pattern.inaccessible _ _ :: ps => pure { alt with patterns := ps }
-    | Pattern.var _ mvarId :: ps     => do
+    | Pattern.inaccessible _ :: ps => pure { alt with patterns := ps }
+    | Pattern.var mvarId :: ps     => do
       -- trace! `Meta.EqnCompiler.matchDebug (">> assign " ++ mkMVar mvarId ++ " := " ++ x);
       assignExprMVar mvarId x;
       rhs ← instantiateMVars alt.rhs;
@@ -449,8 +438,8 @@ match p.vars with
 
 private def isFirstPatternCtor (ctorName : Name) (alt : Alt) : Bool :=
 match alt.patterns with
-| Pattern.ctor _ n _ _ _ :: _ => n == ctorName
-| _                           => false
+| Pattern.ctor n _ _ _ :: _ => n == ctorName
+| _                         => false
 
 private def processConstructor (process : Problem → State → MetaM State) (p : Problem) (s : State) : MetaM State := do
 trace! `Meta.EqnCompiler.match ("constructor step");
@@ -471,8 +460,8 @@ match p.vars with
       let examples := examples.map $ Example.applyFVarSubst subst;
       let newAlts  := p.alts.filter $ isFirstPatternCtor subgoal.ctorName;
       let newAlts  := newAlts.map fun alt => match alt.patterns with
-        | Pattern.ctor _ _ _ _ fields :: ps => { alt with patterns := fields ++ ps }
-        | _                                 => unreachable!;
+        | Pattern.ctor _ _ _ fields :: ps => { alt with patterns := fields ++ ps }
+        | _                               => unreachable!;
       newAlts ← newAlts.mapM fun alt => alt.applyFVarSubst subst;
       newAlts ← newAlts.mapM fun alt => alt.copy;
       process { mvarId := subgoal.mvarId, vars := newVars, alts := newAlts, examples := examples } s)
@@ -481,17 +470,17 @@ match p.vars with
 private def throwInductiveTypeExpected {α} (type : Expr) : MetaM α := do
 throwOther ("failed to compile pattern matching, inductive type expected" ++ indentExpr type)
 
-private partial def tryConstructorAux (alt : Alt) (ref : Syntax) (mvarId : MVarId) (ctorName : Name) (us : List Level) (params : Array Expr) (mvars : Array Expr)
+private partial def tryConstructorAux (alt : Alt) (mvarId : MVarId) (ctorName : Name) (us : List Level) (params : Array Expr) (mvars : Array Expr)
     : Nat → Array MVarId → Array IPattern → MetaM Alt
 | i, newMVars, fields => do
   if h : i < mvars.size then do
     let mvar := mvars.get ⟨i, h⟩;
     e ← instantiateMVars mvar;
     match e with
-    | Expr.mvar mvarId _ => tryConstructorAux (i+1) (newMVars.push mvarId) (fields.push (Pattern.var ref mvarId))
-    | _                  => tryConstructorAux (i+1) newMVars (fields.push (Pattern.inaccessible ref e))
+    | Expr.mvar mvarId _ => tryConstructorAux (i+1) (newMVars.push mvarId) (fields.push (Pattern.var mvarId))
+    | _                  => tryConstructorAux (i+1) newMVars (fields.push (Pattern.inaccessible e))
   else do
-    let p := Pattern.ctor ref ctorName us params.toList fields.toList;
+    let p := Pattern.ctor ctorName us params.toList fields.toList;
     e ← p.toExpr;
     assignExprMVar mvarId e;
     ps ← alt.patterns.mapM Pattern.instantiateMVars;
@@ -503,17 +492,17 @@ private partial def tryConstructorAux (alt : Alt) (ref : Syntax) (mvarId : MVarI
     mvars ← mvars.filterM fun mvarId => not <$> isExprMVarAssigned mvarId;
     pure { alt with rhs := rhs, mvars := mvars, patterns := ps }
 
-private def tryConstructor? (alt : Alt) (ref : Syntax) (mvarId : MVarId) (ctorName : Name) (us : List Level) (params : Array Expr) (expectedType : Expr)
+private def tryConstructor? (alt : Alt) (mvarId : MVarId) (ctorName : Name) (us : List Level) (params : Array Expr) (expectedType : Expr)
     : MetaM (Option Alt) := do
 let ctor := mkAppN (mkConst ctorName us) params;
 ctorType ← inferType ctor;
 (mvars, _, resultType) ← forallMetaTelescopeReducing ctorType;
 trace! `Meta.EqnCompiler.matchDebug ("ctorName: " ++ ctorName ++ ", resultType: " ++ resultType ++ ", expectedType: " ++ expectedType);
 condM (isDefEq resultType expectedType)
-  (Option.some <$> tryConstructorAux alt ref mvarId ctorName us params mvars 0 #[] #[])
+  (Option.some <$> tryConstructorAux alt mvarId ctorName us params mvars 0 #[] #[])
   (pure none)
 
-private def expandAlt (alt : Alt) (ref : Syntax) (mvarId : MVarId) : MetaM (List Alt) := do
+private def expandAlt (alt : Alt) (mvarId : MVarId) : MetaM (List Alt) := do
 env ← getEnv;
 mvarDecl ← getMVarDecl mvarId;
 let expectedType := mvarDecl.type;
@@ -531,7 +520,7 @@ matchConst env expectedType.getAppFn (fun _ => throwInductiveTypeExpected expect
         let I     := expectedType.getAppFn;
         let Iargs := expectedType.getAppArgs;
         let params := Iargs.extract 0 val.nparams;
-        alt? ← tryConstructor? alt ref mvarId ctor us params expectedType;
+        alt? ← tryConstructor? alt mvarId ctor us params expectedType;
         match alt? with
         | none     => pure result
         | some alt => pure (alt :: result))
@@ -545,10 +534,10 @@ env ← getEnv;
 newAlts ← p.alts.foldlM
   (fun (newAlts : List Alt) alt =>
     match alt.patterns with
-    | Pattern.ctor _ _ _ _ _ :: ps     => pure (alt :: newAlts)
-    | p@(Pattern.var ref mvarId) :: ps => do
+    | Pattern.ctor _ _ _ _ :: ps   => pure (alt :: newAlts)
+    | p@(Pattern.var mvarId) :: ps => do
         let alt := { alt with patterns := ps };
-        alts ← expandAlt alt ref mvarId;
+        alts ← expandAlt alt mvarId;
         pure (alts ++ newAlts)
     | _ => unreachable!)
   [];
@@ -558,14 +547,14 @@ private def collectValues (p : Problem) : Array Expr :=
 p.alts.foldl
   (fun (values : Array Expr) alt =>
     match alt.patterns with
-    | Pattern.val _ v :: _ => if values.contains v then values else values.push v
-    | _                    => values)
+    | Pattern.val v :: _ => if values.contains v then values else values.push v
+    | _                  => values)
   #[]
 
 private def isFirstPatternVar (alt : Alt) : Bool :=
 match alt.patterns with
-| Pattern.var _ _ :: _ => true
-| _                    => false
+| Pattern.var _ :: _ => true
+| _                  => false
 
 private def processValue (process : Problem → State → MetaM State) (p : Problem) (s : State) : MetaM State := do
 trace! `Meta.EqnCompiler.match ("value step");
@@ -584,14 +573,14 @@ match p.vars with
         let examples := p.examples.map $ Example.replaceFVarId x.fvarId! (Example.val value);
         let examples := examples.map $ Example.applyFVarSubst subst;
         let newAlts  := p.alts.filter fun alt => match alt.patterns with
-          | Pattern.val _ v :: _ => v == value
-          | Pattern.var _ _ :: _ => true
+          | Pattern.val v :: _ => v == value
+          | Pattern.var _ :: _ => true
           | _                    => false;
         newAlts ← newAlts.mapM fun alt => alt.applyFVarSubst subst;
         newAlts ← newAlts.mapM fun alt => alt.copy;
         newAlts ← newAlts.mapM fun alt => match alt.patterns with
-          | Pattern.val _ _ :: ps      => pure { alt with patterns := ps }
-          | Pattern.var _ mvarId :: ps => do
+          | Pattern.val _ :: ps      => pure { alt with patterns := ps }
+          | Pattern.var mvarId :: ps => do
             assignExprMVar mvarId value;
             ps  ← ps.mapM Pattern.instantiateMVars;
             rhs ← instantiateMVars alt.rhs;
@@ -611,8 +600,8 @@ private def collectArraySizes (p : Problem) : Array Nat :=
 p.alts.foldl
   (fun (sizes : Array Nat) alt =>
     match alt.patterns with
-    | Pattern.arrayLit _ _ ps :: _ => let sz := ps.length; if sizes.contains sz then sizes else sizes.push sz
-    | _                            => sizes)
+    | Pattern.arrayLit _ ps :: _ => let sz := ps.length; if sizes.contains sz then sizes else sizes.push sz
+    | _                          => sizes)
   #[]
 
 private def processArrayLit (process : Problem → State → MetaM State) (p : Problem) (s : State) : MetaM State := do
@@ -635,14 +624,14 @@ match p.vars with
         let examples := p.examples.map $ Example.replaceFVarId x.fvarId! subex;
         let examples := examples.map $ Example.applyFVarSubst subst;
         let newAlts  := p.alts.filter fun alt => match alt.patterns with
-          | Pattern.arrayLit _ _ ps :: _ => ps.length == size
-          | Pattern.var _ _ :: _         => true
-          | _                            => false;
+          | Pattern.arrayLit _ ps :: _ => ps.length == size
+          | Pattern.var _ :: _         => true
+          | _                          => false;
         newAlts ← newAlts.mapM fun alt => alt.applyFVarSubst subst;
         newAlts ← newAlts.mapM fun alt => alt.copy;
         newAlts ← newAlts.mapM fun alt => match alt.patterns with
-          | Pattern.arrayLit _ _ pats :: ps      => pure { alt with patterns := pats ++ ps }
-          | Pattern.var ref mvarId :: ps => do
+          | Pattern.arrayLit _ pats :: ps => pure { alt with patterns := pats ++ ps }
+          | Pattern.var mvarId :: ps      => do
             α ← getArrayArgType x;
             newMVars ← size.foldM
               (fun _ (newMVars : List Expr) => do
@@ -655,7 +644,7 @@ match p.vars with
             rhs ← instantiateMVars alt.rhs;
             let mvars := alt.mvars.erase mvarId;
             let mvars := newMVars.map Expr.mvarId! ++ mvars;
-            let ps    := newMVars.map (fun mvar => Pattern.var ref mvar.mvarId!) ++ ps;
+            let ps    := newMVars.map (fun mvar => Pattern.var mvar.mvarId!) ++ ps;
             pure { alt with rhs := rhs, mvars := mvars, patterns := ps }
           | _  => unreachable!;
         process { mvarId := subgoal.mvarId, vars := newVars, alts := newAlts, examples := examples } s
@@ -690,18 +679,6 @@ private partial def process : Problem → State → MetaM State
     -- TODO: remaining cases
     throwOther ("not implement yet " ++ msg)
 
-def getUnusedLevelParam (majors : List Expr) (lhss : List AltLHS) : MetaM Level := do
-let s : CollectLevelParams.State := {};
-s ← majors.foldlM
-  (fun s major => do
-    major ← instantiateMVars major;
-    majorType ← inferType major;
-    majorType ← instantiateMVars majorType;
-    let s := collectLevelParams s major;
-    pure $ collectLevelParams s majorType)
-  s;
-pure s.getUnusedLevelParam
-
 def mkElim (elimName : Name) (motiveType : Expr) (lhss : List AltLHS) : MetaM ElimResult :=
 withLocalDecl `motive motiveType BinderInfo.default fun motive => do
 forallTelescopeReducing motiveType fun majors _ => do
@@ -724,8 +701,21 @@ withAlts motive lhss fun alts minors => do
     [];
   pure { elim := elim, counterExamples := s.counterExamples, unusedAltIdxs := unusedAltIdxs.reverse }
 
+
 /- Helper methods for testins mkElim -/
 
+private def getUnusedLevelParam (majors : List Expr) (lhss : List AltLHS) : MetaM Level := do
+let s : CollectLevelParams.State := {};
+s ← majors.foldlM
+  (fun s major => do
+    major ← instantiateMVars major;
+    majorType ← inferType major;
+    majorType ← instantiateMVars majorType;
+    let s := collectLevelParams s major;
+    pure $ collectLevelParams s majorType)
+  s;
+pure s.getUnusedLevelParam
+
 /- Return `Prop` if `inProf == true` and `Sort u` otherwise, where `u` is a fresh universe level parameter. -/
 private def mkElimSort (majors : List Expr) (lhss : List AltLHS) (inProp : Bool) : MetaM Expr :=
 if inProp then
diff --git a/stage0/src/Lean/Util/CollectLevelParams.lean b/stage0/src/Lean/Util/CollectLevelParams.lean
index 2b417436fc..e4882371b9 100644
--- a/stage0/src/Lean/Util/CollectLevelParams.lean
+++ b/stage0/src/Lean/Util/CollectLevelParams.lean
@@ -61,4 +61,7 @@ end CollectLevelParams
 def collectLevelParams (s : CollectLevelParams.State) (e : Expr) : CollectLevelParams.State :=
 CollectLevelParams.main e s
 
+def CollectLevelParams.State.collect (s : CollectLevelParams.State) (e : Expr) : CollectLevelParams.State :=
+collectLevelParams s e
+
 end Lean
diff --git a/stage0/src/Lean/Util/Recognizers.lean b/stage0/src/Lean/Util/Recognizers.lean
index 7381628a32..9f19df3cab 100644
--- a/stage0/src/Lean/Util/Recognizers.lean
+++ b/stage0/src/Lean/Util/Recognizers.lean
@@ -45,19 +45,19 @@ p.app4? `HEq
 | Expr.forallE _ α β _ => if β.hasLooseBVars then none else some (α, β)
 | _                    => none
 
-partial def listLitAux : Expr → List Expr → Option (List Expr)
+partial def listLitAux : Expr → List Expr → Option (Expr × List Expr)
 | e, acc =>
   if e.isAppOfArity `List.nil 1 then
-    some acc.reverse
+    some (e.appArg!, acc.reverse)
   else if e.isAppOfArity `List.cons 3 then
     listLitAux e.appArg! (e.appFn!.appArg! :: acc)
   else
     none
 
-def listLit? (e : Expr) : Option (List Expr) :=
+def listLit? (e : Expr) : Option (Expr × List Expr) :=
 listLitAux e []
 
-def arrayLit? (e : Expr) : Option (List Expr) :=
+def arrayLit? (e : Expr) : Option (Expr × List Expr) :=
 match e.app2? `List.toArray with
 | some (_, e) => e.listLit?
 | none        => none
diff --git a/stage0/stdlib/Lean/Compiler/ConstFolding.c b/stage0/stdlib/Lean/Compiler/ConstFolding.c
index 70f360ae4a..f0b584f396 100644
--- a/stage0/stdlib/Lean/Compiler/ConstFolding.c
+++ b/stage0/stdlib/Lean/Compiler/ConstFolding.c
@@ -63,7 +63,6 @@ lean_object* l_List_append___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_boolFoldFns___closed__5;
 lean_object* l_Lean_Compiler_foldUIntSub(uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_foldToNat___rarg(lean_object*);
-lean_object* l_Lean_Compiler_unFoldFns___closed__12;
 lean_object* l_Lean_Compiler_natFoldFns___closed__19;
 lean_object* l_Nat_decLt___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_foldNatDecLe___closed__2;
@@ -90,7 +89,6 @@ lean_object* l_Lean_Compiler_foldNatMul___boxed(lean_object*);
 extern lean_object* l_uint64Sz___closed__1;
 lean_object* l_Lean_Compiler_binFoldFns___closed__2;
 lean_object* l_Lean_Compiler_preUIntBinFoldFns___closed__22;
-lean_object* l_Lean_Compiler_unFoldFns___closed__11;
 lean_object* l_Lean_Compiler_uintFoldToNatFns;
 lean_object* l_Lean_Compiler_foldNatDecLe___closed__1;
 uint32_t lean_uint32_of_nat(lean_object*);
@@ -161,7 +159,6 @@ lean_object* l_Lean_Compiler_numScalarTypes___closed__15;
 lean_object* l_Lean_Compiler_numScalarTypes___closed__14;
 lean_object* l_Lean_Compiler_preUIntBinFoldFns___closed__12;
 extern lean_object* l_Nat_HasAdd___closed__1;
-lean_object* l_Lean_Compiler_numScalarTypes___closed__28;
 lean_object* l_List_foldl___main___at_Lean_Compiler_uintBinFoldFns___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_boolFoldFns___closed__8;
 lean_object* l_Lean_Compiler_foldUIntMod___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*);
@@ -188,6 +185,7 @@ lean_object* l_Lean_Compiler_mkLcProof(lean_object*);
 lean_object* l_Lean_Compiler_mkNatLt___closed__10;
 lean_object* l_Lean_Compiler_numScalarTypes___closed__9;
 lean_object* l_Lean_Compiler_mkUIntTypeName(lean_object*);
+extern lean_object* l_Lean_Expr_isCharLit___closed__3;
 lean_object* l_Lean_Compiler_unFoldFns___closed__2;
 lean_object* l_Lean_Compiler_boolFoldFns___closed__2;
 lean_object* l_Lean_Compiler_boolFoldFns___closed__4;
@@ -315,13 +313,13 @@ lean_object* l_Lean_Compiler_numScalarTypes___closed__11;
 lean_object* l_Lean_Compiler_mkNatLt___closed__8;
 extern lean_object* l_Lean_levelOne;
 lean_object* l_Lean_Compiler_foldUIntMul(uint8_t, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_isCharLit___closed__4;
 lean_object* l_Lean_Compiler_foldNatDecEq___closed__2;
 lean_object* l_Lean_Compiler_preUIntBinFoldFns___closed__6;
 lean_object* lean_get_num_lit(lean_object*);
 lean_object* l_Lean_Compiler_foldNatDecLt___closed__1;
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
 lean_object* l_Lean_Compiler_boolFoldFns;
-lean_object* l_Lean_Compiler_unFoldFns___closed__10;
 lean_object* l_Lean_Compiler_getBoolLit___closed__1;
 lean_object* l_Lean_Compiler_findUnFoldFn___boxed(lean_object*);
 lean_object* l_Lean_Compiler_preUIntBinFoldFns___closed__10;
@@ -375,22 +373,14 @@ return x_2;
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__2() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("ofNat");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__3() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_numScalarTypes___closed__1;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__4() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -398,24 +388,24 @@ x_1 = lean_mk_string("toNat");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__5() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_numScalarTypes___closed__1;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__4;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__6() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__5() {
 _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 = lean_unsigned_to_nat(8u);
 x_2 = l_Lean_Compiler_numScalarTypes___closed__1;
-x_3 = l_Lean_Compiler_numScalarTypes___closed__3;
-x_4 = l_Lean_Compiler_numScalarTypes___closed__5;
+x_3 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_4 = l_Lean_Compiler_numScalarTypes___closed__4;
 x_5 = lean_unsigned_to_nat(256u);
 x_6 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_6, 0, x_1);
@@ -426,7 +416,7 @@ lean_ctor_set(x_6, 4, x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__7() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -435,12 +425,22 @@ x_2 = l_Lean_Compiler_mkUIntTypeName(x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__7() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_numScalarTypes___closed__6;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__7;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__6;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -448,21 +448,11 @@ return x_3;
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__9() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__7;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__4;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__10() {
-_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 = lean_unsigned_to_nat(16u);
-x_2 = l_Lean_Compiler_numScalarTypes___closed__7;
-x_3 = l_Lean_Compiler_numScalarTypes___closed__8;
-x_4 = l_Lean_Compiler_numScalarTypes___closed__9;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__6;
+x_3 = l_Lean_Compiler_numScalarTypes___closed__7;
+x_4 = l_Lean_Compiler_numScalarTypes___closed__8;
 x_5 = lean_unsigned_to_nat(65536u);
 x_6 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_6, 0, x_1);
@@ -473,7 +463,7 @@ lean_ctor_set(x_6, 4, x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__11() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -482,12 +472,22 @@ x_2 = l_Lean_Compiler_mkUIntTypeName(x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_numScalarTypes___closed__10;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__12() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__11;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__10;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -495,21 +495,11 @@ return x_3;
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__13() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__11;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__4;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__14() {
-_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 = lean_unsigned_to_nat(32u);
-x_2 = l_Lean_Compiler_numScalarTypes___closed__11;
-x_3 = l_Lean_Compiler_numScalarTypes___closed__12;
-x_4 = l_Lean_Compiler_numScalarTypes___closed__13;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__10;
+x_3 = l_Lean_Compiler_numScalarTypes___closed__11;
+x_4 = l_Lean_Compiler_numScalarTypes___closed__12;
 x_5 = lean_cstr_to_nat("4294967296");
 x_6 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_6, 0, x_1);
@@ -520,7 +510,7 @@ lean_ctor_set(x_6, 4, x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__15() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__14() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -529,12 +519,22 @@ x_2 = l_Lean_Compiler_mkUIntTypeName(x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__15() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_numScalarTypes___closed__14;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__16() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__15;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__14;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -542,21 +542,11 @@ return x_3;
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__17() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__15;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__4;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__18() {
-_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 = lean_unsigned_to_nat(64u);
-x_2 = l_Lean_Compiler_numScalarTypes___closed__15;
-x_3 = l_Lean_Compiler_numScalarTypes___closed__16;
-x_4 = l_Lean_Compiler_numScalarTypes___closed__17;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__14;
+x_3 = l_Lean_Compiler_numScalarTypes___closed__15;
+x_4 = l_Lean_Compiler_numScalarTypes___closed__16;
 x_5 = l_uint64Sz___closed__1;
 x_6 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_6, 0, x_1);
@@ -567,7 +557,7 @@ lean_ctor_set(x_6, 4, x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__19() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__18() {
 _start:
 {
 lean_object* x_1; 
@@ -575,12 +565,22 @@ x_1 = lean_mk_string("USize");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__20() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__19() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Compiler_numScalarTypes___closed__19;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__18;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__20() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_numScalarTypes___closed__19;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -589,8 +589,8 @@ lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__21() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__20;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__19;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -598,21 +598,11 @@ return x_3;
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__22() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__20;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__4;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__23() {
-_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_System_Platform_numBits;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__20;
-x_3 = l_Lean_Compiler_numScalarTypes___closed__21;
-x_4 = l_Lean_Compiler_numScalarTypes___closed__22;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__19;
+x_3 = l_Lean_Compiler_numScalarTypes___closed__20;
+x_4 = l_Lean_Compiler_numScalarTypes___closed__21;
 x_5 = l_usizeSz___closed__1;
 x_6 = lean_alloc_ctor(0, 5, 0);
 lean_ctor_set(x_6, 0, x_1);
@@ -623,23 +613,35 @@ lean_ctor_set(x_6, 4, x_5);
 return x_6;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__24() {
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__23() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Compiler_numScalarTypes___closed__23;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__22;
 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;
 }
 }
+lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__24() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Compiler_numScalarTypes___closed__17;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__23;
+x_3 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__25() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__18;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__13;
 x_2 = l_Lean_Compiler_numScalarTypes___closed__24;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -651,7 +653,7 @@ lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__26() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__14;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__9;
 x_2 = l_Lean_Compiler_numScalarTypes___closed__25;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -663,7 +665,7 @@ lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__27() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__10;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__5;
 x_2 = l_Lean_Compiler_numScalarTypes___closed__26;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
@@ -671,23 +673,11 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Compiler_numScalarTypes___closed__28() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__6;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__27;
-x_3 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
 lean_object* _init_l_Lean_Compiler_numScalarTypes() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Compiler_numScalarTypes___closed__28;
+x_1 = l_Lean_Compiler_numScalarTypes___closed__27;
 return x_1;
 }
 }
@@ -1025,7 +1015,7 @@ lean_object* l_Lean_Compiler_mkUInt32Lit(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l_Lean_Compiler_numScalarTypes___closed__14;
+x_2 = l_Lean_Compiler_numScalarTypes___closed__13;
 x_3 = l_Lean_Compiler_mkUIntLit(x_2, x_1);
 return x_3;
 }
@@ -4071,7 +4061,7 @@ lean_object* _init_l_Lean_Compiler_unFoldFns___closed__5() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Char");
+x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_foldCharOfNat___boxed), 2, 0);
 return x_1;
 }
 }
@@ -4079,9 +4069,11 @@ lean_object* _init_l_Lean_Compiler_unFoldFns___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
+x_1 = l_Lean_Expr_isCharLit___closed__4;
 x_2 = l_Lean_Compiler_unFoldFns___closed__5;
-x_3 = lean_name_mk_string(x_1, x_2);
+x_3 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_3, 0, x_1);
+lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
@@ -4089,61 +4081,31 @@ lean_object* _init_l_Lean_Compiler_unFoldFns___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_unFoldFns___closed__6;
-x_2 = l_Lean_Compiler_numScalarTypes___closed__2;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_unFoldFns___closed__8() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_alloc_closure((void*)(l_Lean_Compiler_foldCharOfNat___boxed), 2, 0);
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Compiler_unFoldFns___closed__9() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_unFoldFns___closed__7;
-x_2 = l_Lean_Compiler_unFoldFns___closed__8;
-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Compiler_unFoldFns___closed__10() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Compiler_unFoldFns___closed__9;
+x_2 = l_Lean_Compiler_unFoldFns___closed__6;
 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;
 }
 }
-lean_object* _init_l_Lean_Compiler_unFoldFns___closed__11() {
+lean_object* _init_l_Lean_Compiler_unFoldFns___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Compiler_unFoldFns___closed__4;
-x_2 = l_Lean_Compiler_unFoldFns___closed__10;
+x_2 = l_Lean_Compiler_unFoldFns___closed__7;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Compiler_unFoldFns___closed__12() {
+lean_object* _init_l_Lean_Compiler_unFoldFns___closed__9() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Compiler_unFoldFns___closed__11;
+x_1 = l_Lean_Compiler_unFoldFns___closed__8;
 x_2 = l_Lean_Compiler_uintFoldToNatFns;
 x_3 = l_List_append___rarg(x_1, x_2);
 return x_3;
@@ -4153,7 +4115,7 @@ lean_object* _init_l_Lean_Compiler_unFoldFns() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_Compiler_unFoldFns___closed__12;
+x_1 = l_Lean_Compiler_unFoldFns___closed__9;
 return x_1;
 }
 }
@@ -4454,8 +4416,6 @@ l_Lean_Compiler_numScalarTypes___closed__26 = _init_l_Lean_Compiler_numScalarTyp
 lean_mark_persistent(l_Lean_Compiler_numScalarTypes___closed__26);
 l_Lean_Compiler_numScalarTypes___closed__27 = _init_l_Lean_Compiler_numScalarTypes___closed__27();
 lean_mark_persistent(l_Lean_Compiler_numScalarTypes___closed__27);
-l_Lean_Compiler_numScalarTypes___closed__28 = _init_l_Lean_Compiler_numScalarTypes___closed__28();
-lean_mark_persistent(l_Lean_Compiler_numScalarTypes___closed__28);
 l_Lean_Compiler_numScalarTypes = _init_l_Lean_Compiler_numScalarTypes();
 lean_mark_persistent(l_Lean_Compiler_numScalarTypes);
 l_Lean_Compiler_foldUIntAdd___closed__1 = _init_l_Lean_Compiler_foldUIntAdd___closed__1();
@@ -4736,12 +4696,6 @@ l_Lean_Compiler_unFoldFns___closed__8 = _init_l_Lean_Compiler_unFoldFns___closed
 lean_mark_persistent(l_Lean_Compiler_unFoldFns___closed__8);
 l_Lean_Compiler_unFoldFns___closed__9 = _init_l_Lean_Compiler_unFoldFns___closed__9();
 lean_mark_persistent(l_Lean_Compiler_unFoldFns___closed__9);
-l_Lean_Compiler_unFoldFns___closed__10 = _init_l_Lean_Compiler_unFoldFns___closed__10();
-lean_mark_persistent(l_Lean_Compiler_unFoldFns___closed__10);
-l_Lean_Compiler_unFoldFns___closed__11 = _init_l_Lean_Compiler_unFoldFns___closed__11();
-lean_mark_persistent(l_Lean_Compiler_unFoldFns___closed__11);
-l_Lean_Compiler_unFoldFns___closed__12 = _init_l_Lean_Compiler_unFoldFns___closed__12();
-lean_mark_persistent(l_Lean_Compiler_unFoldFns___closed__12);
 l_Lean_Compiler_unFoldFns = _init_l_Lean_Compiler_unFoldFns();
 lean_mark_persistent(l_Lean_Compiler_unFoldFns);
 return lean_mk_io_result(lean_box(0));
diff --git a/stage0/stdlib/Lean/Compiler/InitAttr.c b/stage0/stdlib/Lean/Compiler/InitAttr.c
index f9e87a9b5f..69683de9c6 100644
--- a/stage0/stdlib/Lean/Compiler/InitAttr.c
+++ b/stage0/stdlib/Lean/Compiler/InitAttr.c
@@ -48,8 +48,8 @@ lean_object* lean_array_swap(lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_RBNode_fold___main___at_Lean_mkInitAttr___spec__2___boxed(lean_object*, lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerParametricAttribute___rarg___lambda__5___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_mkThunkType___closed__1;
 lean_object* l___private_Lean_Compiler_InitAttr_2__isUnitType___boxed(lean_object*);
-lean_object* l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
 lean_object* l_Lean_mkInitAttr(lean_object*);
 extern lean_object* l_Char_HasRepr___closed__1;
 lean_object* l_Std_RBNode_fold___main___at_Lean_mkInitAttr___spec__2(lean_object*, lean_object*);
@@ -203,14 +203,6 @@ lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("Unit");
-return x_1;
-}
-}
 uint8_t l___private_Lean_Compiler_InitAttr_2__isUnitType(lean_object* x_1) {
 _start:
 {
@@ -226,7 +218,7 @@ if (lean_obj_tag(x_3) == 0)
 {
 lean_object* x_4; lean_object* x_5; uint8_t x_6; 
 x_4 = lean_ctor_get(x_2, 1);
-x_5 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_5 = l_Lean_mkThunkType___closed__1;
 x_6 = lean_string_dec_eq(x_4, x_5);
 return x_6;
 }
@@ -2160,8 +2152,6 @@ if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 l___private_Lean_Compiler_InitAttr_1__getIOTypeArg___closed__1 = _init_l___private_Lean_Compiler_InitAttr_1__getIOTypeArg___closed__1();
 lean_mark_persistent(l___private_Lean_Compiler_InitAttr_1__getIOTypeArg___closed__1);
-l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1 = _init_l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1();
-lean_mark_persistent(l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1);
 l___private_Init_Data_Array_QSort_1__partitionAux___main___at_Lean_mkInitAttr___spec__4___closed__1 = _init_l___private_Init_Data_Array_QSort_1__partitionAux___main___at_Lean_mkInitAttr___spec__4___closed__1();
 lean_mark_persistent(l___private_Init_Data_Array_QSort_1__partitionAux___main___at_Lean_mkInitAttr___spec__4___closed__1);
 l_Lean_registerParametricAttribute___at_Lean_mkInitAttr___spec__1___closed__1 = _init_l_Lean_registerParametricAttribute___at_Lean_mkInitAttr___spec__1___closed__1();
diff --git a/stage0/stdlib/Lean/Delaborator.c b/stage0/stdlib/Lean/Delaborator.c
index 16bee9ae12..76a363a682 100644
--- a/stage0/stdlib/Lean/Delaborator.c
+++ b/stage0/stdlib/Lean/Delaborator.c
@@ -15,6 +15,7 @@ extern "C" {
 #endif
 extern lean_object* l_Lean_mkHole___closed__3;
 lean_object* l_List_firstM___main___at_Lean_Delaborator_delabFor___main___spec__7(lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_ctorName___closed__7;
 extern lean_object* l_Lean_Name_toString___closed__1;
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Delaborator_delabForall___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_withAppFn___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -23,7 +24,6 @@ lean_object* l_Lean_Delaborator_withProj(lean_object*);
 lean_object* l_Lean_Level_quote___main(lean_object*);
 lean_object* l_Lean_Delaborator_delabProjectionApp___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Level_quote___main___lambda__1___closed__6;
-lean_object* l_Lean_Delaborator_getExprKind___closed__27;
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_Delaborator_delabFor___main___spec__5(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_explicit___elambda__1___closed__2;
 lean_object* l_Lean_Delaborator_getExprKind___closed__9;
@@ -39,6 +39,7 @@ lean_object* l_Lean_mkTermIdFromIdent(lean_object*);
 lean_object* l_Lean_LocalDecl_userName(lean_object*);
 extern lean_object* l_Lean_Nat_HasQuote___closed__2;
 lean_object* l_unreachable_x21___rarg(lean_object*);
+extern lean_object* l_Lean_mkThunk___closed__1;
 lean_object* l_Lean_Delaborator_DelabM_inhabited(lean_object*);
 lean_object* l_Lean_Delaborator_getExpr___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_getExpr(lean_object*, lean_object*, lean_object*);
@@ -62,7 +63,6 @@ lean_object* l_Lean_Delaborator_withBindingBody___rarg(lean_object*, lean_object
 extern lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute___closed__10;
 lean_object* l___regBuiltin_Lean_Delaborator_delabAppImplicit___closed__1;
 lean_object* l_Array_findIdxAux___main___at_Lean_Delaborator_annotatePos___main___spec__1(lean_object*, lean_object*);
-lean_object* l_Lean_Delaborator_getExprKind___closed__31;
 lean_object* l_Lean_Delaborator_delabLam(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_whenNotPPOption(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getPPBinderTypes___closed__3;
@@ -81,6 +81,7 @@ lean_object* l_Lean_ppOptions___closed__1;
 extern lean_object* l_Lean_Level_LevelToFormat_Result_format___main___closed__1;
 extern lean_object* l_Array_empty___closed__1;
 lean_object* l_Lean_Delaborator_getImplicitParams___closed__1;
+extern lean_object* l_Lean_Expr_ctorName___closed__1;
 lean_object* l_Lean_Delaborator_withAppArg(lean_object*);
 lean_object* l_Lean_Delaborator_delabCoeFun(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_descend___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -89,15 +90,18 @@ extern lean_object* l_Lean_Parser_Level_max___elambda__1___closed__1;
 lean_object* l_Lean_Level_dec___main(lean_object*);
 lean_object* l_Lean_Level_quote___main___closed__5;
 extern lean_object* l_Lean_Parser_Level_num___elambda__1___closed__1;
+extern lean_object* l_Lean_Expr_ctorName___closed__2;
 lean_object* l_ReaderT_failure___at_Lean_Delaborator_DelabM_inhabited___spec__1___rarg(lean_object*);
 lean_object* l_Lean_Delaborator_mkDelabAttribute___closed__10;
 lean_object* l_Lean_Delaborator_delabProjectionApp___lambda__1___closed__1;
 lean_object* l_Lean_Delaborator_delabLam___lambda__1___closed__3;
+extern lean_object* l_Lean_Expr_ctorName___closed__8;
 lean_object* l_Std_PersistentHashMap_findAtAux___main___at_Lean_Delaborator_delabFor___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Delaborator_hasIdent(lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_delabCoe___closed__1;
 lean_object* l_Lean_Delaborator_getExprKind___closed__23;
 lean_object* l_Lean_Delaborator_withAppFnArgs___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_ctorName___closed__4;
 lean_object* l_Lean_Delaborator_DelabM_inhabited___closed__1;
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -124,7 +128,6 @@ extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__1;
 lean_object* l_Lean_Level_HasQuote___closed__1;
 lean_object* l___regBuiltin_Lean_Delaborator_delabOfNat(lean_object*);
 lean_object* l_Lean_Level_quote___main___lambda__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__2;
 lean_object* l_Lean_Level_HasQuote;
 lean_object* l___regBuiltin_Lean_Delaborator_delabAppImplicit(lean_object*);
 lean_object* l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -142,11 +145,9 @@ extern lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__4;
 extern lean_object* l_Lean_mkAppStx___closed__7;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* lean_get_projection_info(lean_object*, lean_object*);
-extern lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__5;
 uint8_t l_Lean_getPPBinderTypes(lean_object*);
 lean_object* l_Lean_Delaborator_delabAppImplicit(lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_failure___at_Lean_Delaborator_DelabM_inhabited___spec__1___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Delaborator_getExprKind___closed__32;
 lean_object* l_Lean_Delaborator_getExprKind___closed__10;
 lean_object* l_Lean_Delaborator_delabSort___closed__3;
 extern lean_object* l_Lean_mkTermIdFromIdent___closed__2;
@@ -155,7 +156,6 @@ lean_object* l_Lean_Level_quote___main___lambda__1___boxed(lean_object*, lean_ob
 extern lean_object* l_Lean_PersistentEnvExtension_inhabited___rarg___closed__1;
 lean_object* l_Lean_Level_quote___main___lambda__1___closed__1;
 lean_object* l_Lean_Level_quote___main___closed__6;
-extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__2;
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_delabSort___closed__7;
 lean_object* l_Lean_Delaborator_annotateCurPos(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -228,7 +228,6 @@ lean_object* l_Nat_repr(lean_object*);
 uint8_t l_Lean_LocalDecl_binderInfo(lean_object*);
 extern lean_object* l_Lean_Level_LevelToFormat_Result_format___main___closed__5;
 extern lean_object* l_Lean_Parser_Term_namedHole___elambda__1___closed__2;
-lean_object* l_Lean_Delaborator_getExprKind___closed__26;
 lean_object* l_Lean_Delaborator_delabFor___main(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_explicitBinder___elambda__1___closed__2;
 lean_object* l_Lean_Syntax_getId(lean_object*);
@@ -242,12 +241,14 @@ lean_object* l_ReaderT_pure___at_Lean_Delaborator_DelabM_monadQuotation___spec__
 extern lean_object* l_Lean_Parser_Term_fun___elambda__1___closed__2;
 lean_object* l_Lean_Delaborator_delabLam___lambda__1___closed__2;
 extern lean_object* l_Lean_Parser_Term_explicitUniv___elambda__1___closed__2;
+extern lean_object* l_Lean_Expr_ctorName___closed__3;
 extern size_t l_Std_PersistentHashMap_insertAux___main___rarg___closed__2;
 lean_object* l_Lean_Delaborator_getPPOption(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Delaborator_2__delabBinders___main___closed__1;
 lean_object* l_Lean_Level_quote___main___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_delabForall___closed__1;
 extern lean_object* l___private_Lean_Meta_RecursorInfo_5__getMajorPosDepElim___closed__5;
+extern lean_object* l_Lean_Expr_isCharLit___closed__3;
 lean_object* l___private_Init_Data_Array_Basic_3__iterateRevMAux___main___at_Lean_Delaborator_delabForall___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_numLitKind___closed__2;
 lean_object* l_Std_RBNode_find___main___at_Lean_Delaborator_getPPOption___spec__1___boxed(lean_object*, lean_object*);
@@ -263,7 +264,6 @@ size_t lean_usize_modn(size_t, lean_object*);
 lean_object* l_Lean_Delaborator_delabProjectionApp___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_delabAppExplicit___lambda__1___closed__1;
 extern lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__2;
-lean_object* l_Lean_Delaborator_getExprKind___closed__33;
 lean_object* l_Lean_Level_quote___main___lambda__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isConst(lean_object*);
 uint8_t l_Array_isEmpty___rarg(lean_object*);
@@ -301,13 +301,13 @@ lean_object* l_Lean_getPPCoercions___boxed(lean_object*);
 uint8_t l_Lean_Syntax_isAtom(lean_object*);
 lean_object* l_Lean_Delaborator_delabCoe___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_nullKind___closed__2;
-extern lean_object* l_Lean_Meta_mkAuxName___closed__1;
 lean_object* l_Lean_Delaborator_delabAppImplicit___closed__6;
 lean_object* l_Lean_Delaborator_delabProjectionApp___closed__2;
 lean_object* l_Lean_Delaborator_getExprKind___closed__5;
 lean_object* l_Lean_Delaborator_getExprKind___closed__22;
 extern lean_object* l_Lean_Parser_Level_hole___elambda__1___closed__1;
 extern lean_object* l_Lean_mkAppStx___closed__3;
+extern lean_object* l_Lean_Expr_ctorName___closed__9;
 lean_object* l_Std_PersistentHashMap_findAux___main___at_Lean_Delaborator_delabFor___main___spec__3(lean_object*, size_t, lean_object*);
 extern lean_object* l_Lean_Parser_Command_openRenamingItem___elambda__1___closed__5;
 lean_object* l_Lean_Delaborator_getPPOption___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -328,6 +328,7 @@ lean_object* l_Lean_Level_quote___main___lambda__1___closed__4;
 uint8_t l_Lean_BinderInfo_beq(uint8_t, uint8_t);
 lean_object* l_Lean_Delaborator_mkDelabAttribute___closed__2;
 lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
+extern lean_object* l_Lean_Expr_ctorName___closed__10;
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
 lean_object* l_Lean_ppOptions___closed__2;
@@ -369,7 +370,6 @@ lean_object* l_Lean_Delaborator_mkDelabAttribute___closed__1;
 lean_object* l_Lean_getPPAll___closed__2;
 lean_object* l_Lean_getPPUniverses___closed__1;
 lean_object* l_Lean_getPPUniverses___boxed(lean_object*);
-extern lean_object* l_Lean_Meta_evalNat___main___closed__8;
 lean_object* l_Lean_Delaborator_delabOfNat___closed__3;
 lean_object* l_Lean_mkStxStrLit(lean_object*, lean_object*);
 lean_object* lean_nat_mul(lean_object*, lean_object*);
@@ -408,11 +408,13 @@ uint8_t l_Lean_Expr_binderInfo(lean_object*);
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
 lean_object* l_Lean_PersistentEnvExtension_getState___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Level_quote___main___lambda__9___closed__2;
+extern lean_object* l_Lean_Expr_ctorName___closed__12;
 lean_object* l_Lean_Delaborator_delabConst___closed__4;
 lean_object* l_Lean_Delaborator_delabAppImplicit___closed__4;
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_Delaborator_delabFor___main___spec__5___boxed(lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Delaborator_delabLam(lean_object*);
 lean_object* l_Lean_Level_quote___main___lambda__7___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_ctorName___closed__6;
 lean_object* l_Lean_Delaborator_delabSort___closed__8;
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Delaborator_delabLam___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Delaborator_1__shouldGroupWithNext(lean_object*, lean_object*, lean_object*);
@@ -436,6 +438,7 @@ lean_object* l_Std_PersistentHashMap_find_x3f___at_Lean_Delaborator_delabFor___m
 lean_object* l_Lean_Delaborator_mkDelabAttribute___closed__11;
 lean_object* l_Lean_Delaborator_delabProj(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Delaborator_withAppFnArgs___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Expr_ctorName___closed__11;
 lean_object* l_Lean_Delaborator_withAppArg___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__9;
 lean_object* l_List_toArrayAux___main___rarg(lean_object*, lean_object*);
@@ -451,10 +454,10 @@ lean_object* l_Lean_Delaborator_delabAttribute___closed__5;
 lean_object* l_Lean_Delaborator_delabCoe(lean_object*, lean_object*, lean_object*);
 lean_object* l_ReaderT_pure___at_Lean_Delaborator_DelabM_monadQuotation___spec__1___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Delaborator_1__shouldGroupWithNext___closed__1;
+extern lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__4;
 lean_object* l_Lean_Delaborator_getImplicitParams___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_usize_to_nat(size_t);
 lean_object* l_Lean_Delaborator_withAppFnArgs___main(lean_object*);
-lean_object* l_Lean_Delaborator_getExprKind___closed__30;
 uint8_t l_Lean_getPPAll(lean_object*);
 lean_object* l_Lean_Delaborator_getExprKind___closed__3;
 lean_object* l_Lean_Delaborator_delabOfNat___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -462,7 +465,6 @@ extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer_
 lean_object* l_Lean_Delaborator_getExprKind___closed__18;
 lean_object* l_Lean_Delaborator_delabAttribute___closed__3;
 lean_object* l_Array_back___at_Lean_Syntax_Traverser_up___spec__2(lean_object*);
-lean_object* l_Lean_Delaborator_getExprKind___closed__28;
 lean_object* l_Lean_Delaborator_getExprKind___closed__14;
 extern lean_object* l_Lean_mkAppStx___closed__2;
 lean_object* l_Lean_Expr_bindingBody_x21(lean_object*);
@@ -475,9 +477,7 @@ lean_object* l___private_Lean_Delaborator_2__delabBinders___main(lean_object*, l
 lean_object* l_Lean_Delaborator_delabConst___closed__3;
 lean_object* l___regBuiltin_Lean_Delaborator_delabForall(lean_object*);
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Delaborator_hasIdent___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Delaborator_getExprKind___closed__29;
 extern lean_object* l_Lean_PersistentEnvExtension_inhabited___rarg___closed__4;
-lean_object* l_Lean_Delaborator_getExprKind___closed__25;
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Delaborator_delabForall___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Level_quote___main___lambda__8(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_getPPBinderTypes___closed__4;
@@ -1927,37 +1927,41 @@ return x_4;
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("bvar");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__3() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__2;
+x_1 = l_Lean_Delaborator_getExprKind___closed__1;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__2;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__4() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("fvar");
-return x_1;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Delaborator_getExprKind___closed__3;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__5() {
@@ -1965,7 +1969,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__4;
+x_2 = l_Lean_Expr_ctorName___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -1983,54 +1987,26 @@ return x_2;
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__7() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("mvar");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__4;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__8() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__7;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Delaborator_getExprKind___closed__7;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__9() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__8;
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__10() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__11() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__10;
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__12() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_mkAppStx___closed__7;
@@ -2038,22 +2014,54 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__13() {
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__12;
+x_1 = l_Lean_Delaborator_getExprKind___closed__9;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__11() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__6;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__12() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Delaborator_getExprKind___closed__11;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__13() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__7;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__14() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("lam");
-return x_1;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Delaborator_getExprKind___closed__13;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__15() {
@@ -2061,7 +2069,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__14;
+x_2 = l_Lean_Expr_ctorName___closed__8;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -2079,37 +2087,41 @@ return x_2;
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__17() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("forallE");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__9;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__18() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__17;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__19() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__18;
+x_1 = l_Lean_Delaborator_getExprKind___closed__17;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Delaborator_getExprKind___closed__19() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__10;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__20() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("letE");
-return x_1;
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Delaborator_getExprKind___closed__19;
+x_2 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__21() {
@@ -2117,7 +2129,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__20;
+x_2 = l_Lean_Expr_ctorName___closed__11;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -2135,102 +2147,18 @@ return x_2;
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__23() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("lit");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_ctorName___closed__12;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 lean_object* _init_l_Lean_Delaborator_getExprKind___closed__24() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__23;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__25() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__24;
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__26() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("mdata");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__27() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__26;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__28() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__27;
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__29() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__30() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__29;
-x_2 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__31() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("localE");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__32() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Delaborator_getExprKind___closed__31;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Delaborator_getExprKind___closed__33() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__32;
+x_1 = l_Lean_Delaborator_getExprKind___closed__23;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
@@ -2260,7 +2188,7 @@ if (x_8 == 0)
 lean_object* x_9; lean_object* x_10; 
 x_9 = lean_ctor_get(x_4, 0);
 lean_dec(x_9);
-x_10 = l_Lean_Delaborator_getExprKind___closed__3;
+x_10 = l_Lean_Delaborator_getExprKind___closed__2;
 lean_ctor_set(x_4, 0, x_10);
 return x_4;
 }
@@ -2270,7 +2198,7 @@ lean_object* x_11; lean_object* x_12; lean_object* x_13;
 x_11 = lean_ctor_get(x_4, 1);
 lean_inc(x_11);
 lean_dec(x_4);
-x_12 = l_Lean_Delaborator_getExprKind___closed__3;
+x_12 = l_Lean_Delaborator_getExprKind___closed__2;
 x_13 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_13, 0, x_12);
 lean_ctor_set(x_13, 1, x_11);
@@ -2288,7 +2216,7 @@ if (x_14 == 0)
 lean_object* x_15; lean_object* x_16; 
 x_15 = lean_ctor_get(x_4, 0);
 lean_dec(x_15);
-x_16 = l_Lean_Delaborator_getExprKind___closed__6;
+x_16 = l_Lean_Delaborator_getExprKind___closed__4;
 lean_ctor_set(x_4, 0, x_16);
 return x_4;
 }
@@ -2298,7 +2226,7 @@ lean_object* x_17; lean_object* x_18; lean_object* x_19;
 x_17 = lean_ctor_get(x_4, 1);
 lean_inc(x_17);
 lean_dec(x_4);
-x_18 = l_Lean_Delaborator_getExprKind___closed__6;
+x_18 = l_Lean_Delaborator_getExprKind___closed__4;
 x_19 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_19, 0, x_18);
 lean_ctor_set(x_19, 1, x_17);
@@ -2316,7 +2244,7 @@ if (x_20 == 0)
 lean_object* x_21; lean_object* x_22; 
 x_21 = lean_ctor_get(x_4, 0);
 lean_dec(x_21);
-x_22 = l_Lean_Delaborator_getExprKind___closed__9;
+x_22 = l_Lean_Delaborator_getExprKind___closed__6;
 lean_ctor_set(x_4, 0, x_22);
 return x_4;
 }
@@ -2326,7 +2254,7 @@ lean_object* x_23; lean_object* x_24; lean_object* x_25;
 x_23 = lean_ctor_get(x_4, 1);
 lean_inc(x_23);
 lean_dec(x_4);
-x_24 = l_Lean_Delaborator_getExprKind___closed__9;
+x_24 = l_Lean_Delaborator_getExprKind___closed__6;
 x_25 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set(x_25, 1, x_23);
@@ -2344,7 +2272,7 @@ if (x_26 == 0)
 lean_object* x_27; lean_object* x_28; 
 x_27 = lean_ctor_get(x_4, 0);
 lean_dec(x_27);
-x_28 = l_Lean_Delaborator_getExprKind___closed__11;
+x_28 = l_Lean_Delaborator_getExprKind___closed__8;
 lean_ctor_set(x_4, 0, x_28);
 return x_4;
 }
@@ -2354,7 +2282,7 @@ lean_object* x_29; lean_object* x_30; lean_object* x_31;
 x_29 = lean_ctor_get(x_4, 1);
 lean_inc(x_29);
 lean_dec(x_4);
-x_30 = l_Lean_Delaborator_getExprKind___closed__11;
+x_30 = l_Lean_Delaborator_getExprKind___closed__8;
 x_31 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_31, 0, x_30);
 lean_ctor_set(x_31, 1, x_29);
@@ -2373,7 +2301,7 @@ lean_dec(x_33);
 x_34 = lean_ctor_get(x_7, 0);
 lean_inc(x_34);
 lean_dec(x_7);
-x_35 = l_Lean_Delaborator_getExprKind___closed__12;
+x_35 = l_Lean_Delaborator_getExprKind___closed__9;
 x_36 = l_Lean_Name_append___main(x_35, x_34);
 lean_ctor_set(x_5, 0, x_36);
 return x_4;
@@ -2387,7 +2315,7 @@ lean_dec(x_4);
 x_38 = lean_ctor_get(x_7, 0);
 lean_inc(x_38);
 lean_dec(x_7);
-x_39 = l_Lean_Delaborator_getExprKind___closed__12;
+x_39 = l_Lean_Delaborator_getExprKind___closed__9;
 x_40 = l_Lean_Name_append___main(x_39, x_38);
 lean_ctor_set(x_5, 0, x_40);
 x_41 = lean_alloc_ctor(0, 2, 0);
@@ -2416,7 +2344,7 @@ lean_object* x_46; lean_object* x_47; lean_object* x_48;
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 lean_dec(x_45);
-x_47 = l_Lean_Delaborator_getExprKind___closed__12;
+x_47 = l_Lean_Delaborator_getExprKind___closed__9;
 x_48 = l_Lean_Name_append___main(x_47, x_46);
 lean_ctor_set(x_5, 0, x_48);
 return x_4;
@@ -2426,7 +2354,7 @@ else
 lean_object* x_49; 
 lean_dec(x_45);
 lean_free_object(x_5);
-x_49 = l_Lean_Delaborator_getExprKind___closed__13;
+x_49 = l_Lean_Delaborator_getExprKind___closed__10;
 lean_ctor_set(x_4, 0, x_49);
 return x_4;
 }
@@ -2448,7 +2376,7 @@ lean_object* x_53; lean_object* x_54; lean_object* x_55; lean_object* x_56;
 x_53 = lean_ctor_get(x_52, 0);
 lean_inc(x_53);
 lean_dec(x_52);
-x_54 = l_Lean_Delaborator_getExprKind___closed__12;
+x_54 = l_Lean_Delaborator_getExprKind___closed__9;
 x_55 = l_Lean_Name_append___main(x_54, x_53);
 lean_ctor_set(x_5, 0, x_55);
 x_56 = lean_alloc_ctor(0, 2, 0);
@@ -2461,7 +2389,7 @@ else
 lean_object* x_57; lean_object* x_58; 
 lean_dec(x_52);
 lean_free_object(x_5);
-x_57 = l_Lean_Delaborator_getExprKind___closed__13;
+x_57 = l_Lean_Delaborator_getExprKind___closed__10;
 x_58 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_58, 0, x_57);
 lean_ctor_set(x_58, 1, x_50);
@@ -2480,7 +2408,7 @@ if (x_59 == 0)
 lean_object* x_60; lean_object* x_61; 
 x_60 = lean_ctor_get(x_4, 0);
 lean_dec(x_60);
-x_61 = l_Lean_Delaborator_getExprKind___closed__16;
+x_61 = l_Lean_Delaborator_getExprKind___closed__12;
 lean_ctor_set(x_4, 0, x_61);
 return x_4;
 }
@@ -2490,7 +2418,7 @@ lean_object* x_62; lean_object* x_63; lean_object* x_64;
 x_62 = lean_ctor_get(x_4, 1);
 lean_inc(x_62);
 lean_dec(x_4);
-x_63 = l_Lean_Delaborator_getExprKind___closed__16;
+x_63 = l_Lean_Delaborator_getExprKind___closed__12;
 x_64 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_64, 0, x_63);
 lean_ctor_set(x_64, 1, x_62);
@@ -2508,7 +2436,7 @@ if (x_65 == 0)
 lean_object* x_66; lean_object* x_67; 
 x_66 = lean_ctor_get(x_4, 0);
 lean_dec(x_66);
-x_67 = l_Lean_Delaborator_getExprKind___closed__19;
+x_67 = l_Lean_Delaborator_getExprKind___closed__14;
 lean_ctor_set(x_4, 0, x_67);
 return x_4;
 }
@@ -2518,7 +2446,7 @@ lean_object* x_68; lean_object* x_69; lean_object* x_70;
 x_68 = lean_ctor_get(x_4, 1);
 lean_inc(x_68);
 lean_dec(x_4);
-x_69 = l_Lean_Delaborator_getExprKind___closed__19;
+x_69 = l_Lean_Delaborator_getExprKind___closed__14;
 x_70 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_70, 0, x_69);
 lean_ctor_set(x_70, 1, x_68);
@@ -2536,7 +2464,7 @@ if (x_71 == 0)
 lean_object* x_72; lean_object* x_73; 
 x_72 = lean_ctor_get(x_4, 0);
 lean_dec(x_72);
-x_73 = l_Lean_Delaborator_getExprKind___closed__22;
+x_73 = l_Lean_Delaborator_getExprKind___closed__16;
 lean_ctor_set(x_4, 0, x_73);
 return x_4;
 }
@@ -2546,7 +2474,7 @@ lean_object* x_74; lean_object* x_75; lean_object* x_76;
 x_74 = lean_ctor_get(x_4, 1);
 lean_inc(x_74);
 lean_dec(x_4);
-x_75 = l_Lean_Delaborator_getExprKind___closed__22;
+x_75 = l_Lean_Delaborator_getExprKind___closed__16;
 x_76 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_76, 0, x_75);
 lean_ctor_set(x_76, 1, x_74);
@@ -2564,7 +2492,7 @@ if (x_77 == 0)
 lean_object* x_78; lean_object* x_79; 
 x_78 = lean_ctor_get(x_4, 0);
 lean_dec(x_78);
-x_79 = l_Lean_Delaborator_getExprKind___closed__25;
+x_79 = l_Lean_Delaborator_getExprKind___closed__18;
 lean_ctor_set(x_4, 0, x_79);
 return x_4;
 }
@@ -2574,7 +2502,7 @@ lean_object* x_80; lean_object* x_81; lean_object* x_82;
 x_80 = lean_ctor_get(x_4, 1);
 lean_inc(x_80);
 lean_dec(x_4);
-x_81 = l_Lean_Delaborator_getExprKind___closed__25;
+x_81 = l_Lean_Delaborator_getExprKind___closed__18;
 x_82 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_82, 0, x_81);
 lean_ctor_set(x_82, 1, x_80);
@@ -2597,7 +2525,7 @@ if (x_84 == 0)
 lean_object* x_85; lean_object* x_86; 
 x_85 = lean_ctor_get(x_4, 0);
 lean_dec(x_85);
-x_86 = l_Lean_Delaborator_getExprKind___closed__28;
+x_86 = l_Lean_Delaborator_getExprKind___closed__20;
 lean_ctor_set(x_4, 0, x_86);
 return x_4;
 }
@@ -2607,7 +2535,7 @@ lean_object* x_87; lean_object* x_88; lean_object* x_89;
 x_87 = lean_ctor_get(x_4, 1);
 lean_inc(x_87);
 lean_dec(x_4);
-x_88 = l_Lean_Delaborator_getExprKind___closed__28;
+x_88 = l_Lean_Delaborator_getExprKind___closed__20;
 x_89 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_89, 0, x_88);
 lean_ctor_set(x_89, 1, x_87);
@@ -2634,7 +2562,7 @@ lean_dec(x_93);
 x_94 = lean_ctor_get(x_90, 0);
 lean_inc(x_94);
 lean_dec(x_90);
-x_95 = l_Lean_Delaborator_getExprKind___closed__27;
+x_95 = l_Lean_Delaborator_getExprKind___closed__19;
 x_96 = l_Lean_Name_append___main(x_95, x_94);
 lean_ctor_set(x_5, 0, x_96);
 return x_4;
@@ -2648,7 +2576,7 @@ lean_dec(x_4);
 x_98 = lean_ctor_get(x_90, 0);
 lean_inc(x_98);
 lean_dec(x_90);
-x_99 = l_Lean_Delaborator_getExprKind___closed__27;
+x_99 = l_Lean_Delaborator_getExprKind___closed__19;
 x_100 = l_Lean_Name_append___main(x_99, x_98);
 lean_ctor_set(x_5, 0, x_100);
 x_101 = lean_alloc_ctor(0, 2, 0);
@@ -2669,7 +2597,7 @@ if (x_102 == 0)
 lean_object* x_103; lean_object* x_104; 
 x_103 = lean_ctor_get(x_4, 0);
 lean_dec(x_103);
-x_104 = l_Lean_Delaborator_getExprKind___closed__28;
+x_104 = l_Lean_Delaborator_getExprKind___closed__20;
 lean_ctor_set(x_4, 0, x_104);
 return x_4;
 }
@@ -2679,7 +2607,7 @@ lean_object* x_105; lean_object* x_106; lean_object* x_107;
 x_105 = lean_ctor_get(x_4, 1);
 lean_inc(x_105);
 lean_dec(x_4);
-x_106 = l_Lean_Delaborator_getExprKind___closed__28;
+x_106 = l_Lean_Delaborator_getExprKind___closed__20;
 x_107 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_107, 0, x_106);
 lean_ctor_set(x_107, 1, x_105);
@@ -2699,7 +2627,7 @@ if (x_108 == 0)
 lean_object* x_109; lean_object* x_110; 
 x_109 = lean_ctor_get(x_4, 0);
 lean_dec(x_109);
-x_110 = l_Lean_Delaborator_getExprKind___closed__30;
+x_110 = l_Lean_Delaborator_getExprKind___closed__22;
 lean_ctor_set(x_4, 0, x_110);
 return x_4;
 }
@@ -2709,7 +2637,7 @@ lean_object* x_111; lean_object* x_112; lean_object* x_113;
 x_111 = lean_ctor_get(x_4, 1);
 lean_inc(x_111);
 lean_dec(x_4);
-x_112 = l_Lean_Delaborator_getExprKind___closed__30;
+x_112 = l_Lean_Delaborator_getExprKind___closed__22;
 x_113 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_113, 0, x_112);
 lean_ctor_set(x_113, 1, x_111);
@@ -2727,7 +2655,7 @@ if (x_114 == 0)
 lean_object* x_115; lean_object* x_116; 
 x_115 = lean_ctor_get(x_4, 0);
 lean_dec(x_115);
-x_116 = l_Lean_Delaborator_getExprKind___closed__33;
+x_116 = l_Lean_Delaborator_getExprKind___closed__24;
 lean_ctor_set(x_4, 0, x_116);
 return x_4;
 }
@@ -2737,7 +2665,7 @@ lean_object* x_117; lean_object* x_118; lean_object* x_119;
 x_117 = lean_ctor_get(x_4, 1);
 lean_inc(x_117);
 lean_dec(x_4);
-x_118 = l_Lean_Delaborator_getExprKind___closed__33;
+x_118 = l_Lean_Delaborator_getExprKind___closed__24;
 x_119 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_119, 0, x_118);
 lean_ctor_set(x_119, 1, x_117);
@@ -2767,7 +2695,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_122 = lean_box(0);
 }
-x_123 = l_Lean_Delaborator_getExprKind___closed__3;
+x_123 = l_Lean_Delaborator_getExprKind___closed__2;
 if (lean_is_scalar(x_122)) {
  x_124 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2791,7 +2719,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_126 = lean_box(0);
 }
-x_127 = l_Lean_Delaborator_getExprKind___closed__6;
+x_127 = l_Lean_Delaborator_getExprKind___closed__4;
 if (lean_is_scalar(x_126)) {
  x_128 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2815,7 +2743,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_130 = lean_box(0);
 }
-x_131 = l_Lean_Delaborator_getExprKind___closed__9;
+x_131 = l_Lean_Delaborator_getExprKind___closed__6;
 if (lean_is_scalar(x_130)) {
  x_132 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2839,7 +2767,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_134 = lean_box(0);
 }
-x_135 = l_Lean_Delaborator_getExprKind___closed__11;
+x_135 = l_Lean_Delaborator_getExprKind___closed__8;
 if (lean_is_scalar(x_134)) {
  x_136 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2865,7 +2793,7 @@ if (lean_is_exclusive(x_4)) {
 x_139 = lean_ctor_get(x_120, 0);
 lean_inc(x_139);
 lean_dec(x_120);
-x_140 = l_Lean_Delaborator_getExprKind___closed__12;
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 x_141 = l_Lean_Name_append___main(x_140, x_139);
 x_142 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_142, 0, x_141);
@@ -2902,7 +2830,7 @@ lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151;
 x_148 = lean_ctor_get(x_147, 0);
 lean_inc(x_148);
 lean_dec(x_147);
-x_149 = l_Lean_Delaborator_getExprKind___closed__12;
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 x_150 = l_Lean_Name_append___main(x_149, x_148);
 x_151 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_151, 0, x_150);
@@ -2919,7 +2847,7 @@ else
 {
 lean_object* x_153; lean_object* x_154; 
 lean_dec(x_147);
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+x_153 = l_Lean_Delaborator_getExprKind___closed__10;
 if (lean_is_scalar(x_145)) {
  x_154 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2944,7 +2872,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_156 = lean_box(0);
 }
-x_157 = l_Lean_Delaborator_getExprKind___closed__16;
+x_157 = l_Lean_Delaborator_getExprKind___closed__12;
 if (lean_is_scalar(x_156)) {
  x_158 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2968,7 +2896,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_160 = lean_box(0);
 }
-x_161 = l_Lean_Delaborator_getExprKind___closed__19;
+x_161 = l_Lean_Delaborator_getExprKind___closed__14;
 if (lean_is_scalar(x_160)) {
  x_162 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -2992,7 +2920,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_164 = lean_box(0);
 }
-x_165 = l_Lean_Delaborator_getExprKind___closed__22;
+x_165 = l_Lean_Delaborator_getExprKind___closed__16;
 if (lean_is_scalar(x_164)) {
  x_166 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -3016,7 +2944,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_168 = lean_box(0);
 }
-x_169 = l_Lean_Delaborator_getExprKind___closed__25;
+x_169 = l_Lean_Delaborator_getExprKind___closed__18;
 if (lean_is_scalar(x_168)) {
  x_170 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -3045,7 +2973,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
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 }
-x_174 = l_Lean_Delaborator_getExprKind___closed__28;
+x_174 = l_Lean_Delaborator_getExprKind___closed__20;
 if (lean_is_scalar(x_173)) {
  x_175 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -3079,7 +3007,7 @@ if (lean_is_exclusive(x_4)) {
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 lean_inc(x_180);
 lean_dec(x_176);
-x_181 = l_Lean_Delaborator_getExprKind___closed__27;
+x_181 = l_Lean_Delaborator_getExprKind___closed__19;
 x_182 = l_Lean_Name_append___main(x_181, x_180);
 x_183 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_183, 0, x_182);
@@ -3107,7 +3035,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_186 = lean_box(0);
 }
-x_187 = l_Lean_Delaborator_getExprKind___closed__28;
+x_187 = l_Lean_Delaborator_getExprKind___closed__20;
 if (lean_is_scalar(x_186)) {
  x_188 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -3133,7 +3061,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_190 = lean_box(0);
 }
-x_191 = l_Lean_Delaborator_getExprKind___closed__30;
+x_191 = l_Lean_Delaborator_getExprKind___closed__22;
 if (lean_is_scalar(x_190)) {
  x_192 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -3157,7 +3085,7 @@ if (lean_is_exclusive(x_4)) {
  lean_dec_ref(x_4);
  x_194 = lean_box(0);
 }
-x_195 = l_Lean_Delaborator_getExprKind___closed__33;
+x_195 = l_Lean_Delaborator_getExprKind___closed__24;
 if (lean_is_scalar(x_194)) {
  x_196 = lean_alloc_ctor(0, 2, 0);
 } else {
@@ -7953,7 +7881,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__5;
+x_3 = l_Lean_Delaborator_getExprKind___closed__3;
 x_4 = l___regBuiltin_Lean_Delaborator_delabFVar___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -8124,7 +8052,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__8;
+x_3 = l_Lean_Delaborator_getExprKind___closed__5;
 x_4 = l___regBuiltin_Lean_Delaborator_delabMVar___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -8135,7 +8063,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_SourceInfo_inhabited___closed__1;
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
+x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__4;
 x_3 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -8469,7 +8397,7 @@ lean_ctor_set(x_16, 0, x_15);
 lean_ctor_set(x_16, 1, x_14);
 x_17 = l_Lean_Delaborator_delabSort___closed__2;
 x_18 = lean_array_push(x_17, x_16);
-x_19 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_19 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_20 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_20, 0, x_19);
 lean_ctor_set(x_20, 1, x_18);
@@ -8517,7 +8445,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__10;
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 x_4 = l___regBuiltin_Lean_Delaborator_delabSort___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -10257,7 +10185,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__12;
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 x_4 = l___regBuiltin_Lean_Delaborator_delabAppExplicit___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -11745,7 +11673,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__12;
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 x_4 = l___regBuiltin_Lean_Delaborator_delabAppImplicit___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -11925,7 +11853,7 @@ lean_dec(x_14);
 x_15 = lean_ctor_get(x_10, 0);
 lean_inc(x_15);
 lean_dec(x_10);
-x_16 = l_Lean_Meta_mkAuxName___closed__1;
+x_16 = l_Lean_mkThunk___closed__1;
 x_17 = l___private_Lean_Delaborator_1__shouldGroupWithNext___closed__2;
 x_18 = l_Lean_Delaborator_withBindingBody___rarg(x_16, x_17, x_1, x_2, x_13);
 if (lean_obj_tag(x_18) == 0)
@@ -12188,7 +12116,7 @@ lean_dec(x_9);
 x_64 = lean_ctor_get(x_10, 0);
 lean_inc(x_64);
 lean_dec(x_10);
-x_65 = l_Lean_Meta_mkAuxName___closed__1;
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 x_67 = l_Lean_Delaborator_withBindingBody___rarg(x_65, x_66, x_1, x_2, x_63);
 if (lean_obj_tag(x_67) == 0)
@@ -12492,7 +12420,7 @@ lean_dec(x_122);
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 lean_inc(x_123);
 lean_dec(x_10);
-x_124 = l_Lean_Meta_mkAuxName___closed__1;
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 if (lean_obj_tag(x_126) == 0)
@@ -12755,7 +12683,7 @@ lean_dec(x_9);
 x_172 = lean_ctor_get(x_10, 0);
 lean_inc(x_172);
 lean_dec(x_10);
-x_173 = l_Lean_Meta_mkAuxName___closed__1;
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 x_174 = l___private_Lean_Delaborator_1__shouldGroupWithNext___closed__2;
 x_175 = l_Lean_Delaborator_withBindingBody___rarg(x_173, x_174, x_1, x_2, x_171);
 if (lean_obj_tag(x_175) == 0)
@@ -16175,7 +16103,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__15;
+x_3 = l_Lean_Delaborator_getExprKind___closed__11;
 x_4 = l___regBuiltin_Lean_Delaborator_delabLam___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -16919,7 +16847,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__18;
+x_3 = l_Lean_Delaborator_getExprKind___closed__13;
 x_4 = l___regBuiltin_Lean_Delaborator_delabForall___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -17173,7 +17101,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__24;
+x_3 = l_Lean_Delaborator_getExprKind___closed__17;
 x_4 = l___regBuiltin_Lean_Delaborator_delabLit___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -17303,7 +17231,7 @@ lean_object* _init_l___regBuiltin_Lean_Delaborator_delabOfNat___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__12;
+x_1 = l_Lean_Delaborator_getExprKind___closed__9;
 x_2 = l_Lean_Meta_evalNat___main___closed__6;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
@@ -17314,7 +17242,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___regBuiltin_Lean_Delaborator_delabOfNat___closed__1;
-x_2 = l_Lean_Meta_evalNat___main___closed__8;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -17423,7 +17351,7 @@ x_24 = l_Lean_Delaborator_delabProj___closed__1;
 x_25 = lean_array_push(x_23, x_24);
 x_26 = lean_mk_syntax_num_lit(x_8);
 x_27 = lean_array_push(x_25, x_26);
-x_28 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_28 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_29 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_29, 0, x_28);
 lean_ctor_set(x_29, 1, x_27);
@@ -17442,7 +17370,7 @@ x_33 = l_Lean_Delaborator_delabProj___closed__1;
 x_34 = lean_array_push(x_32, x_33);
 x_35 = lean_mk_syntax_num_lit(x_8);
 x_36 = lean_array_push(x_34, x_35);
-x_37 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_37 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_38 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_38, 0, x_37);
 lean_ctor_set(x_38, 1, x_36);
@@ -17473,7 +17401,7 @@ x_45 = l_Lean_Delaborator_delabProj___closed__1;
 x_46 = lean_array_push(x_44, x_45);
 x_47 = lean_mk_syntax_num_lit(x_8);
 x_48 = lean_array_push(x_46, x_47);
-x_49 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_49 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_50 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_50, 0, x_49);
 lean_ctor_set(x_50, 1, x_48);
@@ -17541,7 +17469,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__29;
+x_3 = l_Lean_Delaborator_getExprKind___closed__21;
 x_4 = l___regBuiltin_Lean_Delaborator_delabProj___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -17860,7 +17788,7 @@ x_59 = lean_box(0);
 x_60 = lean_name_mk_string(x_59, x_8);
 x_61 = lean_mk_syntax_ident(x_60);
 x_62 = lean_array_push(x_58, x_61);
-x_63 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_63 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_64 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_64, 0, x_63);
 lean_ctor_set(x_64, 1, x_62);
@@ -17881,7 +17809,7 @@ x_70 = lean_box(0);
 x_71 = lean_name_mk_string(x_70, x_8);
 x_72 = lean_mk_syntax_ident(x_71);
 x_73 = lean_array_push(x_69, x_72);
-x_74 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_74 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_75 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_75, 0, x_74);
 lean_ctor_set(x_75, 1, x_73);
@@ -17914,7 +17842,7 @@ x_84 = lean_box(0);
 x_85 = lean_name_mk_string(x_84, x_8);
 x_86 = lean_mk_syntax_ident(x_85);
 x_87 = lean_array_push(x_83, x_86);
-x_88 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_88 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_89 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_89, 0, x_88);
 lean_ctor_set(x_89, 1, x_87);
@@ -18065,7 +17993,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Delaborator_delabAttribute;
-x_3 = l_Lean_Delaborator_getExprKind___closed__12;
+x_3 = l_Lean_Delaborator_getExprKind___closed__9;
 x_4 = l___regBuiltin_Lean_Delaborator_delabProjectionApp___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -18345,7 +18273,7 @@ lean_object* _init_l___regBuiltin_Lean_Delaborator_delabCoe___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__12;
+x_1 = l_Lean_Delaborator_getExprKind___closed__9;
 x_2 = l_Lean_Elab_Term_tryCoe___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
@@ -18390,7 +18318,7 @@ lean_object* _init_l___regBuiltin_Lean_Delaborator_delabCoeFun___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Delaborator_getExprKind___closed__12;
+x_1 = l_Lean_Delaborator_getExprKind___closed__9;
 x_2 = l___regBuiltin_Lean_Delaborator_delabCoeFun___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
@@ -18712,24 +18640,6 @@ l_Lean_Delaborator_getExprKind___closed__23 = _init_l_Lean_Delaborator_getExprKi
 lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__23);
 l_Lean_Delaborator_getExprKind___closed__24 = _init_l_Lean_Delaborator_getExprKind___closed__24();
 lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__24);
-l_Lean_Delaborator_getExprKind___closed__25 = _init_l_Lean_Delaborator_getExprKind___closed__25();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__25);
-l_Lean_Delaborator_getExprKind___closed__26 = _init_l_Lean_Delaborator_getExprKind___closed__26();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__26);
-l_Lean_Delaborator_getExprKind___closed__27 = _init_l_Lean_Delaborator_getExprKind___closed__27();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__27);
-l_Lean_Delaborator_getExprKind___closed__28 = _init_l_Lean_Delaborator_getExprKind___closed__28();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__28);
-l_Lean_Delaborator_getExprKind___closed__29 = _init_l_Lean_Delaborator_getExprKind___closed__29();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__29);
-l_Lean_Delaborator_getExprKind___closed__30 = _init_l_Lean_Delaborator_getExprKind___closed__30();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__30);
-l_Lean_Delaborator_getExprKind___closed__31 = _init_l_Lean_Delaborator_getExprKind___closed__31();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__31);
-l_Lean_Delaborator_getExprKind___closed__32 = _init_l_Lean_Delaborator_getExprKind___closed__32();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__32);
-l_Lean_Delaborator_getExprKind___closed__33 = _init_l_Lean_Delaborator_getExprKind___closed__33();
-lean_mark_persistent(l_Lean_Delaborator_getExprKind___closed__33);
 l_Lean_Delaborator_getPPOption___closed__1 = _init_l_Lean_Delaborator_getPPOption___closed__1();
 lean_mark_persistent(l_Lean_Delaborator_getPPOption___closed__1);
 l_Lean_Delaborator_delab___closed__1 = _init_l_Lean_Delaborator_delab___closed__1();
diff --git a/stage0/stdlib/Lean/Elab/App.c b/stage0/stdlib/Lean/Elab/App.c
index f7fab7c6fd..648facde52 100644
--- a/stage0/stdlib/Lean/Elab/App.c
+++ b/stage0/stdlib/Lean/Elab/App.c
@@ -107,6 +107,7 @@ lean_object* l_Lean_Elab_Term_synthesizeAppInstMVars(lean_object*, lean_object*,
 lean_object* l___private_Lean_Elab_App_18__elabAppLValsAux___main___closed__1;
 lean_object* l___regBuiltin_Lean_Elab_Term_elabId(lean_object*);
 lean_object* l_Lean_Elab_Term_addNamedArg___closed__6;
+extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__1;
 lean_object* l___private_Lean_Elab_App_13__resolveLValAux___closed__2;
 lean_object* l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_App_21__elabAppFn___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
@@ -133,7 +134,6 @@ lean_object* l_Lean_FindMVar_main___main___at___private_Lean_Elab_App_6__hasType
 extern lean_object* l_Lean_mkTermIdFromIdent___closed__2;
 lean_object* l_List_foldlM___main___at___private_Lean_Elab_App_16__mkBaseProjections___spec__1___closed__2;
 extern lean_object* l_Lean_Format_repr___main___closed__13;
-extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__2;
 lean_object* l___private_Lean_Elab_App_17__addLValArg___main___closed__3;
 lean_object* l___private_Lean_Elab_App_21__elabAppFn(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
@@ -18551,7 +18551,7 @@ lean_dec(x_11);
 if (x_13 == 0)
 {
 uint8_t x_14; uint8_t x_329; lean_object* x_437; uint8_t x_438; 
-x_437 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_437 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 lean_inc(x_1);
 x_438 = l_Lean_Syntax_isOfKind(x_1, x_437);
 if (x_438 == 0)
@@ -22071,7 +22071,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Elab_Term_termElabAttribute;
-x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_4 = l___regBuiltin_Lean_Elab_Term_elabProj___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
diff --git a/stage0/stdlib/Lean/Elab/Binders.c b/stage0/stdlib/Lean/Elab/Binders.c
index d318e9186f..4732902d24 100644
--- a/stage0/stdlib/Lean/Elab/Binders.c
+++ b/stage0/stdlib/Lean/Elab/Binders.c
@@ -60,13 +60,13 @@ extern lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___elambda__3_
 lean_object* l___private_Lean_Elab_Binders_6__matchBinder(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Binders_9__getFunBinderIdsAux_x3f___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabArrow___closed__1;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 extern lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___elambda__3___closed__2;
 lean_object* l_Lean_Elab_Term_elabFunBinders___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_declareTacticSyntax___closed__2;
 lean_object* l_Lean_mkIdentFrom(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_compileDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Binders_11__expandFunBindersAux___main___closed__6;
-extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
 lean_object* l_Lean_Elab_Term_mkLambda(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
@@ -6123,7 +6123,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_SourceInfo_inhabited___closed__1;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 x_3 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
diff --git a/stage0/stdlib/Lean/Elab/BuiltinNotation.c b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
index 048a9115f3..b5892d41af 100644
--- a/stage0/stdlib/Lean/Elab/BuiltinNotation.c
+++ b/stage0/stdlib/Lean/Elab/BuiltinNotation.c
@@ -107,7 +107,6 @@ lean_object* l_Lean_Elab_Term_elabParserMacro___lambda__1___closed__4;
 extern lean_object* l_Lean_Parser_Term_pow___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_expandSubtype(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_parser_x21___elambda__1___closed__2;
-extern lean_object* l_Lean_Meta_evalNat___main___closed__10;
 lean_object* l_Lean_Elab_Term_compileDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMul___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_expandIf___closed__7;
@@ -140,6 +139,7 @@ lean_object* l_Lean_Elab_Term_elabDiv___closed__3;
 lean_object* l___regBuiltin_Lean_Elab_Term_elabHEq___closed__1;
 lean_object* l_Lean_Elab_Term_elabBNe(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
+extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_elabParserMacro___lambda__1___closed__2;
 lean_object* l_Lean_Elab_Term_elabLT___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* lean_string_utf8_byte_size(lean_object*);
@@ -191,7 +191,6 @@ lean_object* l_Lean_Elab_Term_addDecl(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_mkTermIdFromIdent___closed__2;
 lean_object* l_Array_foldlStepMAux___main___at_Lean_Elab_Term_elabParen___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabTParserMacro(lean_object*);
-extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__2;
 extern lean_object* l_Lean_Parser_Term_add___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_expandShow___closed__2;
 lean_object* l___private_Lean_Elab_BuiltinNotation_1__elabParserMacroAux___closed__24;
@@ -431,6 +430,7 @@ lean_object* l_Lean_Elab_Term_elabOrM___boxed(lean_object*, lean_object*, lean_o
 lean_object* l___private_Lean_Elab_BuiltinNotation_1__elabParserMacroAux___closed__3;
 lean_object* l___private_Lean_Elab_BuiltinNotation_5__getPropToDecide___closed__2;
 lean_object* l___private_Lean_Elab_BuiltinNotation_3__mkNativeReflAuxDecl___closed__1;
+extern lean_object* l_Lean_Meta_evalNat___main___closed__9;
 lean_object* l_Lean_Elab_Term_elabGE___boxed(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_seqRight___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_expandIf___closed__2;
@@ -807,7 +807,7 @@ x_19 = lean_array_push(x_18, x_15);
 x_20 = l_Lean_Elab_Term_expandDollarProj___closed__1;
 x_21 = lean_array_push(x_19, x_20);
 x_22 = lean_array_push(x_21, x_17);
-x_23 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_23 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_24 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_24, 0, x_23);
 lean_ctor_set(x_24, 1, x_22);
@@ -7407,7 +7407,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Elab_Term_elabSub___closed__2;
-x_2 = l_Lean_Meta_evalNat___main___closed__10;
+x_2 = l_Lean_Meta_evalNat___main___closed__9;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
diff --git a/stage0/stdlib/Lean/Elab/Declaration.c b/stage0/stdlib/Lean/Elab/Declaration.c
index 205f306cf8..2326b6fc80 100644
--- a/stage0/stdlib/Lean/Elab/Declaration.c
+++ b/stage0/stdlib/Lean/Elab/Declaration.c
@@ -19,6 +19,7 @@ lean_object* l___private_Lean_Elab_Declaration_7__expandMutualPreamble_x3f___clo
 lean_object* l_Lean_Elab_Term_throwErrorAt___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_expandOptDeclSig(lean_object*);
 extern lean_object* l_Lean_Parser_Command_abbrev___elambda__1___closed__2;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_object* l___private_Lean_Elab_Declaration_7__expandMutualPreamble_x3f___closed__7;
 lean_object* l_Lean_Elab_Command_addDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_instantiateMVars(lean_object*, lean_object*, lean_object*);
@@ -77,7 +78,6 @@ lean_object* lean_array_fget(lean_object*, lean_object*);
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_levelMVarToParam(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Declaration_7__expandMutualPreamble_x3f___closed__12;
-extern lean_object* l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
 lean_object* l___private_Lean_Elab_Declaration_6__splitMutualPreamble(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_elabAxiom(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_tacticBlock___elambda__1___closed__7;
@@ -808,7 +808,7 @@ x_32 = lean_ctor_get(x_29, 1);
 x_33 = lean_ctor_get(x_31, 0);
 lean_inc(x_33);
 lean_dec(x_31);
-x_34 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
+x_34 = l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_inc(x_33);
 x_35 = l_Lean_CollectLevelParams_main___main(x_33, x_34);
 x_36 = lean_ctor_get(x_35, 2);
@@ -863,7 +863,7 @@ lean_dec(x_29);
 x_49 = lean_ctor_get(x_47, 0);
 lean_inc(x_49);
 lean_dec(x_47);
-x_50 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
+x_50 = l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_inc(x_49);
 x_51 = l_Lean_CollectLevelParams_main___main(x_49, x_50);
 x_52 = lean_ctor_get(x_51, 2);
diff --git a/stage0/stdlib/Lean/Elab/Definition.c b/stage0/stdlib/Lean/Elab/Definition.c
index 06fad439cf..f6bc93019a 100644
--- a/stage0/stdlib/Lean/Elab/Definition.c
+++ b/stage0/stdlib/Lean/Elab/Definition.c
@@ -19,6 +19,7 @@ lean_object* l_Lean_Elab_Term_removeUnused(lean_object*, lean_object*, lean_obje
 lean_object* l_Lean_Elab_Term_throwErrorAt___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
 extern lean_object* l___private_Lean_Meta_ExprDefEq_8__checkTypesAndAssign___closed__7;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_object* l_Lean_Elab_Command_addDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Elab_Term_instantiateMVars(lean_object*, lean_object*, lean_object*);
@@ -53,7 +54,6 @@ lean_object* l_Lean_Elab_Command_mkDeclName(lean_object*, lean_object*, lean_obj
 lean_object* l_Lean_Elab_Command_elabDefLike___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_state_sharecommon(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_levelMVarToParam(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
 lean_object* l_Lean_Elab_Term_throwUnsupportedSyntax___rarg(lean_object*);
 lean_object* l_Lean_Elab_Command_DefKind_isTheorem___boxed(lean_object*);
 uint8_t l_Lean_Elab_Command_DefKind_isDefOrAbbrevOrOpaque(uint8_t);
@@ -666,7 +666,7 @@ x_45 = lean_state_sharecommon(x_44, x_38);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 lean_dec(x_45);
-x_47 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
+x_47 = l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_inc(x_43);
 x_48 = l_Lean_CollectLevelParams_main___main(x_43, x_47);
 lean_inc(x_46);
diff --git a/stage0/stdlib/Lean/Elab/Inductive.c b/stage0/stdlib/Lean/Elab/Inductive.c
index 89d3367e3d..22992f2aa0 100644
--- a/stage0/stdlib/Lean/Elab/Inductive.c
+++ b/stage0/stdlib/Lean/Elab/Inductive.c
@@ -31,6 +31,7 @@ extern lean_object* l_Lean_Expr_eq_x3f___closed__2;
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Inductive_4__checkLevelNames___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_5__forallTelescopeReducingAuxAux___main___at___private_Lean_Elab_Inductive_30__replaceIndFVarsWithConsts___spec__3(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_checkValidInductiveModifier___closed__6;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_object* l_Lean_Elab_Command_addDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Elab_Command_checkValidInductiveModifier___closed__5;
@@ -165,7 +166,6 @@ lean_object* l___private_Lean_Elab_Inductive_23__updateResultingUniverse(lean_ob
 uint8_t l_Lean_Level_isParam(lean_object*);
 lean_object* l___private_Lean_Elab_Inductive_16__elabCtors___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_mk_below(lean_object*, lean_object*);
-extern lean_object* l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
 lean_object* l_List_map___main___at___private_Lean_Elab_Inductive_32__applyInferMod___spec__2___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getLevel(lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
@@ -10222,7 +10222,7 @@ lean_object* l___private_Lean_Elab_Inductive_28__collectLevelParamsInInductive(l
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 x_3 = l_List_foldl___main___at___private_Lean_Elab_Inductive_28__collectLevelParamsInInductive___spec__2(x_2, x_1);
 x_4 = lean_ctor_get(x_3, 2);
 lean_inc(x_4);
diff --git a/stage0/stdlib/Lean/Elab/Match.c b/stage0/stdlib/Lean/Elab/Match.c
index 4806ae9b95..8f6000ad5a 100644
--- a/stage0/stdlib/Lean/Elab/Match.c
+++ b/stage0/stdlib/Lean/Elab/Match.c
@@ -13,6 +13,8 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2;
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__4;
 lean_object* l_List_reverse___rarg(lean_object*);
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___lambda__1___closed__2;
 extern lean_object* l_Lean_mkHole___closed__3;
@@ -20,90 +22,107 @@ lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__12;
 lean_object* l_Lean_Syntax_getIdOfTermId(lean_object*);
 lean_object* l_Lean_Elab_Term_getEnv___rarg(lean_object*);
 extern lean_object* l_Lean_Name_toString___closed__1;
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_set(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_8__getMatchAlts(lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__4(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4;
 lean_object* l_Lean_Elab_Term_throwErrorAt___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1;
 extern lean_object* l_Lean_Parser_Term_namedPattern___elambda__1___closed__2;
+uint8_t l_Lean_Expr_isCharLit(lean_object*);
+lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__4;
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
+uint8_t l_Lean_Expr_isNatLit(lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__1;
 lean_object* l_Lean_Name_eraseMacroScopes(lean_object*);
 lean_object* l___private_Lean_Elab_Match_11__getMVarSyntaxMVarId___boxed(lean_object*);
-extern lean_object* l___private_Lean_Meta_ExprDefEq_8__checkTypesAndAssign___closed__7;
-lean_object* l_List_toString___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__2(lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1;
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___lambda__1___closed__1;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1;
+lean_object* lean_mk_empty_array_with_capacity(lean_object*);
+lean_object* l_Lean_mkSort(lean_object*);
 lean_object* l_Lean_Elab_Term_instantiateMVars(lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_RBNode_insert___at_Lean_NameSet_insert___spec__1(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkTermIdFromIdent(lean_object*);
-lean_object* l_Lean_LocalDecl_userName(lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatch(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___main(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_nullKind;
+lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__8;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_8__getMatchAlts___boxed(lean_object*);
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6;
+lean_object* l___private_Lean_Elab_Match_35__mkNewPatterns___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__1;
 extern lean_object* l_Lean_MessageData_ofList___closed__3;
 lean_object* l___private_Lean_Elab_Match_2__expandSimpleMatchWithType___closed__1;
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_inferType(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_List_repr___rarg___closed__1;
 lean_object* l___private_Lean_Elab_Match_16__processIdAux(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_mkElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__10;
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_eq___elambda__1___closed__2;
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4;
 lean_object* l_Lean_Format_pretty(lean_object*, lean_object*);
 extern lean_object* l_Lean_List_format___rarg___closed__2;
 lean_object* l___regBuiltin_Lean_Elab_Term_elabInaccessible___closed__1;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_name_eq(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshId(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_mkForall(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4;
 lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_8__getMatchAlts___spec__2(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__3;
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__9;
-lean_object* l___private_Lean_Elab_Match_28__mkOptType(lean_object*);
 extern lean_object* l_Lean_Parser_Term_forall___elambda__1___closed__2;
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_array_fswap(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__2;
 extern lean_object* l_Lean_identKind___closed__2;
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__2;
 extern lean_object* l_Lean_Parser_Term_typeAscription___elambda__1___closed__1;
 extern lean_object* l_Lean_Parser_Term_match___elambda__1___closed__1;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2;
+lean_object* l_Array_extract___rarg(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_mkMotiveType(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__5;
-lean_object* l_Lean_Elab_Term_isInaccessible_x3f(lean_object*);
 lean_object* l_Lean_Elab_Term_elabMVarWithIdKind(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_23__withPatternVars___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__14;
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkMVar(lean_object*);
 lean_object* l_Lean_Meta_isClassQuick___main(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_33__mkOptType(lean_object*);
 extern lean_object* l_Array_empty___closed__1;
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_find(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_checkTraceOption(lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main(uint8_t, lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main___rarg___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_37__mkNewAlts(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__2;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__3;
 lean_object* l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateT_bind___at___private_Lean_Elab_Match_16__processIdAux___spec__4(lean_object*, lean_object*);
-lean_object* l_Lean_MessageData_arrayExpr_toMessageData___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatchAltView___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1;
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_annotation_x3f(lean_object*, lean_object*);
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabInaccessible(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
-lean_object* l___private_Lean_Elab_Match_32__mkNewAlts(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_35__mkNewPatterns___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__1;
+lean_object* l_Lean_Elab_Term_mkLambda(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
@@ -112,18 +131,18 @@ extern lean_object* l_Lean_Parser_Term_depArrow___elambda__1___closed__2;
 lean_object* lean_string_append(lean_object*, lean_object*);
 lean_object* l_Lean_MessageData_ofList(lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__5___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_getAppFn___main(lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_String_splitAux___main___closed__1;
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns___closed__1;
+extern lean_object* l_Lean_Expr_getAppArgs___closed__1;
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__1;
+lean_object* l_Lean_Elab_Term_mkAuxName(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_List_repr___rarg___closed__3;
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__2;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__10;
 lean_object* l___private_Lean_Elab_Match_15__processVar(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns___closed__2;
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__12;
 lean_object* lean_string_utf8_byte_size(lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -133,10 +152,11 @@ extern lean_object* l_Lean_mkTermIdFromIdent___closed__1;
 lean_object* l_Lean_Elab_Term_getMainModule___rarg(lean_object*);
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__2;
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__3(lean_object*, lean_object*);
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__1;
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__7;
 extern lean_object* l_Lean_mkAppStx___closed__8;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___closed__1;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___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_object* l___private_Lean_Elab_Term_3__fromMetaState(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_nat_add(lean_object*, lean_object*);
@@ -144,13 +164,12 @@ extern lean_object* l_Lean_Parser_Term_matchDiscr___elambda__1___closed__2;
 lean_object* l_Lean_Elab_Term_ensureHasType(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern___rarg___closed__2;
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous___rarg___closed__1;
-lean_object* l___private_Lean_Elab_Match_34__regTraceClasses(lean_object*);
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___lambda__1___closed__3;
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__9;
+lean_object* l___private_Lean_Elab_Match_29__getFieldsBinderInfo___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshTypeMVar(uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern(lean_object*);
 lean_object* l_Lean_Elab_Term_whnf(lean_object*, lean_object*, lean_object*);
-uint8_t l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_finalizePatternDecls(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__3___closed__1;
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -158,17 +177,19 @@ lean_object* l_Lean_Elab_Term_getOptions(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__4;
 extern lean_object* l_Lean_mkTermIdFromIdent___closed__2;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__7;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___closed__2;
 lean_object* l_Array_foldlStepMAux___main___at_Lean_Elab_Term_elabParen___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_20__collect___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__8;
 lean_object* l_Lean_Elab_Term_finalizePatternDecls___boxed(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_IO_FS_Handle_putStrLn___rarg___closed__1;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_35__mkNewPatterns___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_5__forallTelescopeReducingAuxAux___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__3(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1;
+lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__13;
 lean_object* l___private_Lean_Elab_Match_21__collectPatternVars(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_toDepElimPattern(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatchAltView(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_HasRepr___rarg___closed__1;
 lean_object* l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(lean_object*, lean_object*, lean_object*);
@@ -178,75 +199,87 @@ lean_object* l___private_Lean_Elab_Match_10__mkMVarSyntax(lean_object*, lean_obj
 lean_object* l___private_Lean_Elab_Match_21__collectPatternVars___closed__1;
 lean_object* lean_array_fget(lean_object*, lean_object*);
 lean_object* lean_expr_instantiate_rev_range(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Expr_Inhabited___closed__1;
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns___closed__2;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__6;
+lean_object* l___private_Lean_Elab_Match_39__regTraceClasses(lean_object*);
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns___closed__1;
 extern lean_object* l_Lean_Nat_HasQuote___closed__1;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__5;
+lean_object* l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_2__expandSimpleMatchWithType___closed__2;
 lean_object* l_Lean_Elab_Term_CollectPatternVars_withRef___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch(lean_object*);
 lean_object* lean_nat_sub(lean_object*, lean_object*);
+lean_object* l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__1(lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_anonymousCtor___elambda__1___closed__1;
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous___rarg___closed__2;
 lean_object* l_Lean_Elab_Term_throwUnsupportedSyntax___rarg(lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2(uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__3___closed__2;
+lean_object* l___private_Lean_Elab_Match_26__markAsVisited(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__3(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_toStringAux___main___at___private_Lean_Elab_Match_6__elabDiscrsAux___main___spec__2(uint8_t, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_25__alreadyVisited___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_shrink___main___rarg(lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_isInaccessible_x3f___boxed(lean_object*);
 lean_object* l_List_toStringAux___main___at_Lean_Elab_Term_elabMatchAltView___spec__2___boxed(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern(lean_object*);
 extern lean_object* l_Lean_EqnCompiler_matchPatternAttr;
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__6;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___closed__4;
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___closed__1;
+lean_object* l___private_Lean_Elab_Match_26__markAsVisited___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabTerm(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_copyInfo(lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkAnnotation(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_filterAux___main___at___private_Lean_Elab_Match_16__processIdAux___spec__2(lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__2;
+uint8_t l_Lean_Expr_hasExprMVar(lean_object*);
 lean_object* lean_array_get(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_String_HasQuote___closed__1;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5;
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous(lean_object*);
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_StateT_lift___at___private_Lean_Elab_Match_16__processIdAux___spec__1___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_fvarId_x21(lean_object*);
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__2(lean_object*, lean_object*);
 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_appendIndexAfter(lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__4(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_9__registerAuxiliaryNodeKind(lean_object*);
 lean_object* l_Lean_Elab_Term_mkMatchAltView(lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__12;
 lean_object* l_Nat_repr(lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2;
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_MessageData_coeOfArrayExpr___closed__2;
 lean_object* l_Lean_Elab_Term_elabMatchAltView___closed__3;
 lean_object* l_Lean_Elab_Term_getLocalDecl(lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_2__expandSimpleMatchWithType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_5__elabMatchOptType(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_9__registerAuxiliaryNodeKind___closed__2;
 uint8_t l_Lean_LocalDecl_binderInfo(lean_object*);
 lean_object* l_Lean_Elab_Term_expandMacrosInPatterns(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_logTrace(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1;
 lean_object* l_Lean_Elab_Term_mkInaccessible___closed__2;
-lean_object* l___private_Lean_Elab_Match_32__mkNewAlts___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_explicitBinder___elambda__1___closed__2;
+lean_object* l_Lean_Elab_Term_inaccessible_x3f___boxed(lean_object*);
 lean_object* l_Lean_Syntax_getId(lean_object*);
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__4(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__4;
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 extern lean_object* l_Lean_choiceKind;
 extern lean_object* l_List_repr___rarg___closed__2;
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern___rarg___closed__3;
+lean_object* l___private_Lean_Elab_Match_29__getFieldsBinderInfo(lean_object*);
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2;
 lean_object* l_Lean_Elab_Term_throwError___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
 lean_object* l_Lean_Elab_expandMacros___main(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -254,69 +287,80 @@ extern lean_object* l_List_reprAux___main___rarg___closed__1;
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__6;
 lean_object* l_Lean_Elab_Term_resolveName(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern___rarg___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getCurrMacroScope(lean_object*, lean_object*);
+lean_object* l_List_mapM___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__5(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Name_isAtomic(lean_object*);
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__1(lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6;
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern___rarg___closed__1;
 lean_object* l_Lean_Elab_Term_withLocalDecl___rarg(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_25__alreadyVisited(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_expandMacrosInPatterns___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_explicitUniv___elambda__1___closed__1;
+lean_object* l___private_Lean_Elab_Match_35__mkNewPatterns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_mkAppStx___closed__6;
 extern lean_object* l_Lean_Options_empty;
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns___closed__3;
 lean_object* l_List_toStringAux___main___at___private_Lean_Elab_Match_6__elabDiscrsAux___main___spec__2___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
 lean_object* l_StateT_bind___at___private_Lean_Elab_Match_16__processIdAux___spec__4___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_filterAux___main___at___private_Lean_Elab_Match_8__getMatchAlts___spec__1(lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabInaccessible(lean_object*);
 lean_object* l___private_Lean_Elab_Match_12__throwCtorExpected___rarg___closed__3;
+uint8_t l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns___closed__3;
+uint8_t l_Array_isEmpty___rarg(lean_object*);
 extern lean_object* l_Lean_Parser_Term_arrow___elambda__1___closed__2;
 lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__6;
 lean_object* l_Lean_Meta_mkFreshId___rarg(lean_object*);
 extern lean_object* l_Lean_Parser_Term_inaccessible___elambda__1___closed__1;
 lean_object* l___private_Lean_Elab_Match_12__throwCtorExpected___rarg___closed__2;
 extern lean_object* l_Lean_Parser_Term_let___elambda__1___closed__2;
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_redLength___main___rarg(lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__6;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_inaccessible_x3f(lean_object*);
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Lean_Elab_Util_4__regTraceClasses___closed__1;
-lean_object* l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1;
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous___rarg___closed__3;
 uint8_t l_Lean_Expr_isForall(lean_object*);
 lean_object* l_Lean_Meta_whnf(lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkInaccessible(lean_object*);
 lean_object* l_Lean_mkFVar(lean_object*);
+uint8_t l_Lean_Expr_isAppOfArity___main(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__1;
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
 extern lean_object* l_Lean_NameSet_empty;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_addMacroScope(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__11;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__7;
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_PatternVar_hasToString___closed__1;
+lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
+lean_object* l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1;
 extern lean_object* l_Lean_nullKind___closed__2;
 lean_object* l_Lean_MessageData_ofArray(lean_object*);
 lean_object* l_List_toString___at_Lean_Elab_Term_elabMatchAltView___spec__1(lean_object*);
 extern lean_object* l_Lean_Meta_mkEqRefl___closed__2;
-lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Elab_Term_termElabAttribute;
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_22__withPatternVarsAux___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_expandMacrosInPatterns___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_mkAtomFrom(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkInaccessible___closed__1;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_isDefEq(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_DepElim_mkElim(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_structInst___elambda__1___closed__1;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* l_Lean_Elab_Term_CollectPatternVars_withRef(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__7;
 extern lean_object* l_Lean_Parser_Command_openRenamingItem___elambda__1___closed__5;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__2;
@@ -326,27 +370,36 @@ lean_object* l_Lean_Elab_Term_elabMatchAltView___lambda__1(lean_object*, lean_ob
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__3;
 extern lean_object* l_Lean_Syntax_inhabited;
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern uint8_t l_Lean_BinderInfo_inhabited;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__1;
 lean_object* l_Lean_Elab_Term_elabMVarWithIdKind___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_isAnnotation_x3f(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3;
 lean_object* l_List_map___main___at_Lean_MessageData_coeOfListExpr___spec__1(lean_object*);
 lean_object* l___private_Lean_Elab_Match_12__throwCtorExpected___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__8;
 lean_object* l___private_Lean_Elab_Match_13__getNumExplicitCtorParams(lean_object*, lean_object*, lean_object*);
 lean_object* l_StateT_lift___at___private_Lean_Elab_Match_16__processIdAux___spec__1(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_Elab_Term_finalizePatternDecls___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_mkMotiveType___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkHole(lean_object*);
 lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3;
 extern lean_object* l_Lean_Parser_Term_inaccessible___elambda__1___closed__2;
 lean_object* l_Lean_Syntax_setArg(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getLocalDecl(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_36__mkNewAlt(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_environment_main_module(lean_object*);
+uint8_t lean_expr_eqv(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3;
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3;
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux(lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6;
+lean_object* l_Lean_Expr_getRevArg_x21___main(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__5;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4;
+lean_object* l_Lean_Elab_Term_mkMotiveType___closed__1;
+lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 extern lean_object* l_Lean_SourceInfo_inhabited___closed__1;
 lean_object* l_Lean_Elab_Term_elabInaccessible___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_18__processId(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -357,85 +410,101 @@ lean_object* l___private_Lean_Elab_Match_23__withPatternVars(lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__2;
 uint8_t l_Lean_BinderInfo_isExplicit(uint8_t);
 lean_object* l_Lean_Syntax_getKind(lean_object*);
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_20__collect___main___spec__3___closed__3;
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3;
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_setOptionFromString___closed__1;
-lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___spec__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1;
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1;
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__3;
 lean_object* l___private_Lean_Elab_Match_12__throwCtorExpected___rarg___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__5___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5;
 uint8_t l_Lean_TagAttribute_hasTag(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__9;
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_14__throwAmbiguous___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l___private_Init_Util_1__mkPanicMessage___closed__2;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__8;
-lean_object* l___private_Lean_Elab_Match_31__mkNewAlt(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2;
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_maybeParenthesize___closed__1;
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__4;
 lean_object* l_Lean_Parser_registerBuiltinNodeKind(lean_object*, lean_object*);
 extern lean_object* l_Lean_mkHole___closed__1;
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7;
 lean_object* l_Lean_Elab_Term_isExprMVarAssigned(lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___closed__5;
 lean_object* l___regBuiltin_Lean_Elab_Term_elabMatch___closed__1;
 lean_object* l___private_Lean_Elab_Match_9__registerAuxiliaryNodeKind___closed__1;
+lean_object* l___private_Lean_Elab_Match_36__mkNewAlt___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_getLevel(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Closure_mkNextUserName___rarg___closed__2;
 lean_object* l___private_Lean_Elab_Match_24__elabPatternsAux___main(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___closed__3;
 lean_object* l_Lean_Elab_Term_elabType(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_letIdDecl___closed__2;
+uint8_t l_Lean_Expr_isFVar(lean_object*);
 extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__1;
+lean_object* l___private_Lean_Elab_Match_37__mkNewAlts___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main(lean_object*);
 extern lean_object* l_Lean_mkAppStx___closed__9;
 lean_object* l_Lean_Elab_Term_withSynthesize___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_4__expandMatchOptType(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Syntax_isNone(lean_object*);
 extern lean_object* l_Lean_TraceState_Inhabited___closed__1;
+lean_object* l_Lean_Elab_Term_mkMotiveType___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkTermIdFrom(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_arrayLit_x3f(lean_object*);
 extern lean_object* l_Lean_mkOptionalNode___closed__1;
 extern lean_object* l_Lean_Parser_Term_matchAlt___closed__2;
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__3(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_12__throwCtorExpected(lean_object*);
+lean_object* l_Lean_Meta_mkLambda(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkFreshExprMVarWithId(lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_toList___rarg(lean_object*);
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3;
+uint8_t l_Lean_Expr_isStringLit(lean_object*);
+lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_List_toString___at___private_Lean_Elab_Match_6__elabDiscrsAux___main___spec__1(lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__3;
 uint8_t l_Lean_Syntax_isOfKind(lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7;
 lean_object* l___private_Lean_Elab_Match_1__expandSimpleMatch___closed__4;
 lean_object* l_Lean_Elab_Term_elabMatchAltView___closed__1;
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__11;
 extern lean_object* l_Lean_mkHole___closed__2;
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__11;
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__10;
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore___closed__5;
+lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__6;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_Basic_6__forallTelescopeReducingAux___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__2(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_NameSet_contains(lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__5(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_Syntax_getArg(lean_object*, lean_object*);
 extern lean_object* l_Lean_mkOptionalNode___closed__2;
 lean_object* lean_nat_mod(lean_object*, lean_object*);
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_CollectPatternVars_main(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Parser_Term_typeSpec___elambda__1___closed__2;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5;
 lean_object* l_List_map___main___at___private_Lean_Elab_Match_16__processIdAux___spec__3(lean_object*);
 extern lean_object* l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3;
 lean_object* l_Lean_Syntax_formatStxAux___main(lean_object*, uint8_t, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_toArrayAux___main___rarg(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__5;
 extern lean_object* l_Nat_Inhabited;
 lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__3;
 lean_object* l_unsafeCast(lean_object*, lean_object*, lean_object*);
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_List_isEmpty___rarg(lean_object*);
+lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_PatternVar_hasToString(lean_object*);
 lean_object* l___private_Lean_Meta_Basic_5__forallTelescopeReducingAuxAux___main___at___private_Lean_Elab_Match_13__getNumExplicitCtorParams___spec__3___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_toStringWithSep___main(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__13;
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5;
 lean_object* l___private_Lean_Elab_Match_7__elabDiscrs(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind___closed__1;
 lean_object* l_List_toStringAux___main___at_Lean_Elab_Term_elabMatchAltView___spec__2(uint8_t, lean_object*);
@@ -446,35 +515,40 @@ extern lean_object* l_Lean_Parser_Term_forall___elambda__1___closed__1;
 lean_object* l_Lean_indentExpr(lean_object*);
 extern lean_object* l_Lean_Elab_Term_Lean_Elab_MonadMacroAdapter___closed__8;
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_22__withPatternVarsAux___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_11__getMVarSyntaxMVarId(lean_object*);
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Term_2__fromMetaException(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatchAltView___closed__2;
 lean_object* l___private_Lean_Elab_Match_22__withPatternVarsAux___main___rarg___lambda__2(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2;
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6;
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3;
 extern lean_object* l_Lean_Parser_Term_namedPattern___elambda__1___closed__1;
 lean_object* l___private_Lean_Elab_Match_7__elabDiscrs___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2;
 lean_object* l___private_Lean_Elab_Match_15__processVar___closed__5;
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___lambda__1(lean_object*, uint8_t, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabMVarWithIdKind(lean_object*);
 lean_object* l___private_Lean_Elab_Match_17__processCtor(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__9;
 lean_object* l___private_Lean_Elab_Match_16__processIdAux___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Meta_forallTelescopeReducing___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_4__expandMatchOptType___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__3;
 extern lean_object* l_Lean_Parser_Term_char___elambda__1___closed__1;
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___main(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__1;
 lean_object* l___private_Lean_Elab_Match_5__elabMatchOptType___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Elab_Match_31__mkNewAlt___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Match_19__throwInvalidPattern___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l_monadInhabited___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_replaceRef(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getFVarLocalDecl(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__2;
+lean_object* l_Lean_mkThunk(lean_object*);
 lean_object* l___private_Lean_Elab_Match_6__elabDiscrsAux___main___closed__6;
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_mkMatchAltView(lean_object* x_1) {
 _start:
 {
@@ -2391,20 +2465,20 @@ x_3 = l_Lean_mkAnnotation(x_2, x_1);
 return x_3;
 }
 }
-lean_object* l_Lean_Elab_Term_isInaccessible_x3f(lean_object* x_1) {
+lean_object* l_Lean_Elab_Term_inaccessible_x3f(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = l_Lean_Elab_Term_mkInaccessible___closed__2;
-x_3 = l_Lean_isAnnotation_x3f(x_2, x_1);
+x_3 = l_Lean_annotation_x3f(x_2, x_1);
 return x_3;
 }
 }
-lean_object* l_Lean_Elab_Term_isInaccessible_x3f___boxed(lean_object* x_1) {
+lean_object* l_Lean_Elab_Term_inaccessible_x3f___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = l_Lean_Elab_Term_isInaccessible_x3f(x_1);
+x_2 = l_Lean_Elab_Term_inaccessible_x3f(x_1);
 lean_dec(x_1);
 return x_2;
 }
@@ -16095,7 +16169,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_Util_4__regTraceClasses___closed__1;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -16948,206 +17022,208 @@ x_8 = lean_nat_dec_lt(x_2, x_7);
 lean_dec(x_7);
 if (x_8 == 0)
 {
-lean_object* x_9; 
+lean_object* x_9; lean_object* x_10; 
 lean_dec(x_5);
-lean_dec(x_3);
 lean_dec(x_2);
 x_9 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_9, 0, x_4);
-lean_ctor_set(x_9, 1, x_6);
-return x_9;
-}
-else
-{
-lean_object* x_10; 
-lean_inc(x_5);
-x_10 = l_Lean_Elab_Term_whnf(x_3, x_5, x_6);
-if (lean_obj_tag(x_10) == 0)
-{
-lean_object* x_11; 
-x_11 = lean_ctor_get(x_10, 0);
-lean_inc(x_11);
-if (lean_obj_tag(x_11) == 7)
-{
-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_12 = lean_ctor_get(x_10, 1);
-lean_inc(x_12);
-lean_dec(x_10);
-x_13 = lean_ctor_get(x_11, 1);
-lean_inc(x_13);
-x_14 = lean_ctor_get(x_11, 2);
-lean_inc(x_14);
-lean_dec(x_11);
-x_15 = lean_array_fget(x_1, x_2);
-x_16 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_16, 0, x_13);
-x_17 = 1;
-lean_inc(x_5);
-lean_inc(x_16);
-lean_inc(x_15);
-x_18 = l_Lean_Elab_Term_elabTerm(x_15, x_16, x_17, x_5, x_12);
-if (lean_obj_tag(x_18) == 0)
-{
-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; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; uint8_t x_31; uint8_t x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-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 = lean_ctor_get(x_5, 0);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_5, 1);
-lean_inc(x_22);
-x_23 = lean_ctor_get(x_5, 2);
-lean_inc(x_23);
-x_24 = lean_ctor_get(x_5, 3);
-lean_inc(x_24);
-x_25 = lean_ctor_get(x_5, 4);
-lean_inc(x_25);
-x_26 = lean_ctor_get(x_5, 5);
-lean_inc(x_26);
-x_27 = lean_ctor_get(x_5, 6);
-lean_inc(x_27);
-x_28 = lean_ctor_get(x_5, 7);
-lean_inc(x_28);
-x_29 = lean_ctor_get(x_5, 8);
-lean_inc(x_29);
-x_30 = lean_ctor_get_uint8(x_5, sizeof(void*)*10);
-x_31 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 1);
-x_32 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 2);
-x_33 = lean_ctor_get(x_5, 9);
-lean_inc(x_33);
-x_34 = l_Lean_Elab_replaceRef(x_15, x_33);
-lean_dec(x_33);
-lean_dec(x_15);
-x_35 = lean_alloc_ctor(0, 10, 3);
-lean_ctor_set(x_35, 0, x_21);
-lean_ctor_set(x_35, 1, x_22);
-lean_ctor_set(x_35, 2, x_23);
-lean_ctor_set(x_35, 3, x_24);
-lean_ctor_set(x_35, 4, x_25);
-lean_ctor_set(x_35, 5, x_26);
-lean_ctor_set(x_35, 6, x_27);
-lean_ctor_set(x_35, 7, x_28);
-lean_ctor_set(x_35, 8, x_29);
-lean_ctor_set(x_35, 9, x_34);
-lean_ctor_set_uint8(x_35, sizeof(void*)*10, x_30);
-lean_ctor_set_uint8(x_35, sizeof(void*)*10 + 1, x_31);
-lean_ctor_set_uint8(x_35, sizeof(void*)*10 + 2, x_32);
-x_36 = l_Lean_Elab_Term_ensureHasType(x_16, x_19, x_35, x_20);
-if (lean_obj_tag(x_36) == 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; 
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-lean_dec(x_36);
-x_39 = lean_unsigned_to_nat(1u);
-x_40 = lean_nat_add(x_2, x_39);
-lean_dec(x_2);
-x_41 = lean_expr_instantiate1(x_14, x_37);
-lean_dec(x_14);
-x_42 = lean_array_push(x_4, x_37);
-x_2 = x_40;
-x_3 = x_41;
-x_4 = x_42;
-x_6 = x_38;
-goto _start;
-}
-else
-{
-uint8_t x_44; 
-lean_dec(x_14);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_44 = !lean_is_exclusive(x_36);
-if (x_44 == 0)
-{
-return x_36;
-}
-else
-{
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_36, 0);
-x_46 = lean_ctor_get(x_36, 1);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_dec(x_36);
-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_16);
-lean_dec(x_15);
-lean_dec(x_14);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_48 = !lean_is_exclusive(x_18);
-if (x_48 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_49; lean_object* x_50; lean_object* x_51; 
-x_49 = lean_ctor_get(x_18, 0);
-x_50 = lean_ctor_get(x_18, 1);
-lean_inc(x_50);
-lean_inc(x_49);
-lean_dec(x_18);
-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; 
-lean_dec(x_11);
-lean_dec(x_4);
-lean_dec(x_2);
-x_52 = lean_ctor_get(x_10, 1);
-lean_inc(x_52);
-lean_dec(x_10);
-x_53 = l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3;
-x_54 = l_Lean_Elab_Term_throwError___rarg(x_53, x_5, x_52);
-return x_54;
-}
-}
-else
-{
-uint8_t x_55; 
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_2);
-x_55 = !lean_is_exclusive(x_10);
-if (x_55 == 0)
-{
+lean_ctor_set(x_9, 1, x_3);
+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_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_object* x_11; 
+lean_inc(x_5);
+x_11 = l_Lean_Elab_Term_whnf(x_3, x_5, x_6);
+if (lean_obj_tag(x_11) == 0)
+{
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+if (lean_obj_tag(x_12) == 7)
+{
+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_13 = lean_ctor_get(x_11, 1);
+lean_inc(x_13);
+lean_dec(x_11);
+x_14 = lean_ctor_get(x_12, 1);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_12, 2);
+lean_inc(x_15);
+lean_dec(x_12);
+x_16 = lean_array_fget(x_1, x_2);
+x_17 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_17, 0, x_14);
+x_18 = 1;
+lean_inc(x_5);
+lean_inc(x_17);
+lean_inc(x_16);
+x_19 = l_Lean_Elab_Term_elabTerm(x_16, x_17, x_18, x_5, x_13);
+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; lean_object* x_29; lean_object* x_30; uint8_t x_31; uint8_t x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
+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);
+x_22 = lean_ctor_get(x_5, 0);
+lean_inc(x_22);
+x_23 = lean_ctor_get(x_5, 1);
+lean_inc(x_23);
+x_24 = lean_ctor_get(x_5, 2);
+lean_inc(x_24);
+x_25 = lean_ctor_get(x_5, 3);
+lean_inc(x_25);
+x_26 = lean_ctor_get(x_5, 4);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_5, 5);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_5, 6);
+lean_inc(x_28);
+x_29 = lean_ctor_get(x_5, 7);
+lean_inc(x_29);
+x_30 = lean_ctor_get(x_5, 8);
+lean_inc(x_30);
+x_31 = lean_ctor_get_uint8(x_5, sizeof(void*)*10);
+x_32 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 1);
+x_33 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 2);
+x_34 = lean_ctor_get(x_5, 9);
+lean_inc(x_34);
+x_35 = l_Lean_Elab_replaceRef(x_16, x_34);
+lean_dec(x_34);
+lean_dec(x_16);
+x_36 = lean_alloc_ctor(0, 10, 3);
+lean_ctor_set(x_36, 0, x_22);
+lean_ctor_set(x_36, 1, x_23);
+lean_ctor_set(x_36, 2, x_24);
+lean_ctor_set(x_36, 3, x_25);
+lean_ctor_set(x_36, 4, x_26);
+lean_ctor_set(x_36, 5, x_27);
+lean_ctor_set(x_36, 6, x_28);
+lean_ctor_set(x_36, 7, x_29);
+lean_ctor_set(x_36, 8, x_30);
+lean_ctor_set(x_36, 9, x_35);
+lean_ctor_set_uint8(x_36, sizeof(void*)*10, x_31);
+lean_ctor_set_uint8(x_36, sizeof(void*)*10 + 1, x_32);
+lean_ctor_set_uint8(x_36, sizeof(void*)*10 + 2, x_33);
+x_37 = l_Lean_Elab_Term_ensureHasType(x_17, x_20, x_36, x_21);
+if (lean_obj_tag(x_37) == 0)
+{
+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_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_unsigned_to_nat(1u);
+x_41 = lean_nat_add(x_2, x_40);
+lean_dec(x_2);
+x_42 = lean_expr_instantiate1(x_15, x_38);
+lean_dec(x_15);
+x_43 = lean_array_push(x_4, x_38);
+x_2 = x_41;
+x_3 = x_42;
+x_4 = x_43;
+x_6 = x_39;
+goto _start;
+}
+else
+{
+uint8_t x_45; 
+lean_dec(x_15);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_45 = !lean_is_exclusive(x_37);
+if (x_45 == 0)
+{
+return x_37;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_37, 0);
+x_47 = lean_ctor_get(x_37, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_37);
+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_17);
+lean_dec(x_16);
+lean_dec(x_15);
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_49 = !lean_is_exclusive(x_19);
+if (x_49 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_19, 0);
+x_51 = lean_ctor_get(x_19, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_19);
+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_object* x_53; lean_object* x_54; lean_object* x_55; 
+lean_dec(x_12);
+lean_dec(x_4);
+lean_dec(x_2);
+x_53 = lean_ctor_get(x_11, 1);
+lean_inc(x_53);
+lean_dec(x_11);
+x_54 = l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3;
+x_55 = l_Lean_Elab_Term_throwError___rarg(x_54, x_5, x_53);
+return x_55;
+}
+}
+else
+{
+uint8_t x_56; 
+lean_dec(x_5);
+lean_dec(x_4);
+lean_dec(x_2);
+x_56 = !lean_is_exclusive(x_11);
+if (x_56 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_11, 0);
+x_58 = lean_ctor_get(x_11, 1);
+lean_inc(x_58);
 lean_inc(x_57);
-lean_inc(x_56);
-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;
+lean_dec(x_11);
+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;
 }
 }
 }
@@ -17364,7 +17440,2219 @@ lean_dec(x_1);
 return x_4;
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_25__alreadyVisited(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+uint8_t x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_5 = l_Lean_NameSet_contains(x_2, x_1);
+x_6 = lean_box(x_5);
+x_7 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_7, 0, x_6);
+lean_ctor_set(x_7, 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_4);
+return x_8;
+}
+}
+lean_object* l___private_Lean_Elab_Match_25__alreadyVisited___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_Match_25__alreadyVisited(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_26__markAsVisited(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_5 = lean_box(0);
+x_6 = l_Std_RBNode_insert___at_Lean_NameSet_insert___spec__1(x_2, x_1, x_5);
+x_7 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_7, 0, x_5);
+lean_ctor_set(x_7, 1, x_6);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_4);
+return x_8;
+}
+}
+lean_object* l___private_Lean_Elab_Match_26__markAsVisited___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_Match_26__markAsVisited(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+return x_5;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("invalid pattern ");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_5 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_5, 0, x_1);
+x_6 = l_Lean_indentExpr(x_5);
+x_7 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3;
+x_8 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_6);
+x_9 = l_Lean_Elab_Term_throwError___rarg(x_8, x_3, x_4);
+x_10 = !lean_is_exclusive(x_9);
+if (x_10 == 0)
+{
+return x_9;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = lean_ctor_get(x_9, 0);
+x_12 = lean_ctor_get(x_9, 1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_dec(x_9);
+x_13 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_13, 0, x_11);
+lean_ctor_set(x_13, 1, x_12);
+return x_13;
+}
+}
+}
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___boxed), 4, 0);
+return x_2;
+}
+}
+lean_object* l___private_Lean_Elab_Match_27__throwInvalidPattern___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___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_1, x_2, x_3, x_4);
+lean_dec(x_2);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+if (lean_obj_tag(x_3) == 7)
+{
+lean_object* x_5; uint64_t x_6; lean_object* x_7; uint8_t x_8; 
+x_5 = lean_ctor_get(x_3, 2);
+x_6 = lean_ctor_get_uint64(x_3, sizeof(void*)*3);
+x_7 = lean_ctor_get(x_1, 3);
+x_8 = lean_nat_dec_lt(x_2, x_7);
+if (x_8 == 0)
+{
+lean_object* x_9; lean_object* x_10; uint8_t x_11; lean_object* x_12; lean_object* x_13; 
+x_9 = lean_unsigned_to_nat(1u);
+x_10 = lean_nat_add(x_2, x_9);
+lean_dec(x_2);
+x_11 = (uint8_t)((x_6 << 24) >> 61);
+x_12 = lean_box(x_11);
+x_13 = lean_array_push(x_4, x_12);
+x_2 = x_10;
+x_3 = x_5;
+x_4 = x_13;
+goto _start;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_unsigned_to_nat(1u);
+x_16 = lean_nat_add(x_2, x_15);
+lean_dec(x_2);
+x_2 = x_16;
+x_3 = x_5;
+goto _start;
+}
+}
+else
+{
+lean_dec(x_2);
+return x_4;
+}
+}
+}
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___main___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_Match_28__getFieldsBinderInfoAux___main(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux(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_Match_28__getFieldsBinderInfoAux___main(x_1, x_2, x_3, x_4);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___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_Match_28__getFieldsBinderInfoAux(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+lean_dec(x_1);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_29__getFieldsBinderInfo(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; 
+x_2 = lean_ctor_get(x_1, 0);
+x_3 = lean_ctor_get(x_2, 2);
+x_4 = lean_unsigned_to_nat(0u);
+x_5 = l_Array_empty___closed__1;
+x_6 = l___private_Lean_Elab_Match_28__getFieldsBinderInfoAux___main(x_1, x_4, x_3, x_5);
+return x_6;
+}
+}
+lean_object* l___private_Lean_Elab_Match_29__getFieldsBinderInfo___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l___private_Lean_Elab_Match_29__getFieldsBinderInfo(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__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; 
+x_6 = lean_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_5);
+x_7 = 0;
+return x_7;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = lean_array_fget(x_3, x_5);
+x_9 = l_Lean_LocalDecl_fvarId(x_8);
+lean_dec(x_8);
+x_10 = lean_name_eq(x_9, x_2);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_5, x_11);
+lean_dec(x_5);
+x_5 = x_12;
+goto _start;
+}
+else
+{
+lean_dec(x_5);
+return x_10;
+}
+}
+}
+}
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2(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_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_5);
+x_7 = 0;
+return x_7;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = lean_array_fget(x_3, x_5);
+x_9 = l_Lean_LocalDecl_fvarId(x_8);
+lean_dec(x_8);
+x_10 = lean_name_eq(x_9, x_2);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_5, x_11);
+lean_dec(x_5);
+x_5 = x_12;
+goto _start;
+}
+else
+{
+lean_dec(x_5);
+return x_10;
+}
+}
+}
+}
+lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__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) {
+_start:
+{
+lean_object* x_8; uint8_t x_9; 
+x_8 = lean_array_get_size(x_4);
+x_9 = lean_nat_dec_lt(x_3, x_8);
+lean_dec(x_8);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_1);
+x_10 = x_4;
+x_11 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_11, 0, x_10);
+lean_ctor_set(x_11, 1, x_5);
+x_12 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_12, 0, x_11);
+lean_ctor_set(x_12, 1, x_7);
+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_26; lean_object* x_27; uint8_t x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; uint8_t x_35; 
+x_13 = lean_array_fget(x_4, x_3);
+x_14 = lean_unsigned_to_nat(0u);
+x_15 = lean_array_fset(x_4, x_3, x_14);
+x_26 = x_13;
+x_31 = l_Lean_BinderInfo_inhabited;
+x_32 = lean_box(x_31);
+x_33 = lean_array_get(x_32, x_2, x_3);
+x_34 = lean_unbox(x_33);
+lean_dec(x_33);
+x_35 = l_Lean_BinderInfo_isExplicit(x_34);
+if (x_35 == 0)
+{
+if (lean_obj_tag(x_26) == 1)
+{
+lean_object* x_36; lean_object* x_37; uint8_t x_38; 
+x_36 = lean_ctor_get(x_26, 0);
+lean_inc(x_36);
+x_37 = lean_array_get_size(x_1);
+x_38 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2(x_1, x_36, x_1, x_37, x_14);
+lean_dec(x_37);
+if (x_38 == 0)
+{
+lean_object* x_39; 
+lean_dec(x_36);
+x_39 = lean_box(0);
+x_27 = x_39;
+goto block_30;
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_40 = l___private_Lean_Elab_Match_25__alreadyVisited(x_36, x_5, x_6, x_7);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_41, 0);
+lean_inc(x_42);
+x_43 = lean_unbox(x_42);
+lean_dec(x_42);
+if (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; uint8_t x_51; 
+x_44 = lean_ctor_get(x_40, 1);
+lean_inc(x_44);
+lean_dec(x_40);
+x_45 = lean_ctor_get(x_41, 1);
+lean_inc(x_45);
+lean_dec(x_41);
+x_46 = l_Lean_Expr_fvarId_x21(x_26);
+lean_dec(x_26);
+x_47 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_47, 0, x_46);
+x_48 = l___private_Lean_Elab_Match_26__markAsVisited(x_36, x_45, x_6, x_44);
+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_is_exclusive(x_49);
+if (x_51 == 0)
+{
+lean_object* x_52; 
+x_52 = lean_ctor_get(x_49, 0);
+lean_dec(x_52);
+lean_ctor_set(x_49, 0, x_47);
+x_16 = x_49;
+x_17 = x_50;
+goto block_25;
+}
+else
+{
+lean_object* x_53; lean_object* x_54; 
+x_53 = lean_ctor_get(x_49, 1);
+lean_inc(x_53);
+lean_dec(x_49);
+x_54 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_54, 0, x_47);
+lean_ctor_set(x_54, 1, x_53);
+x_16 = x_54;
+x_17 = x_50;
+goto block_25;
+}
+}
+else
+{
+lean_object* x_55; uint8_t x_56; 
+lean_dec(x_36);
+x_55 = lean_ctor_get(x_40, 1);
+lean_inc(x_55);
+lean_dec(x_40);
+x_56 = !lean_is_exclusive(x_41);
+if (x_56 == 0)
+{
+lean_object* x_57; lean_object* x_58; 
+x_57 = lean_ctor_get(x_41, 0);
+lean_dec(x_57);
+x_58 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_58, 0, x_26);
+lean_ctor_set(x_41, 0, x_58);
+x_16 = x_41;
+x_17 = x_55;
+goto block_25;
+}
+else
+{
+lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_59 = lean_ctor_get(x_41, 1);
+lean_inc(x_59);
+lean_dec(x_41);
+x_60 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_60, 0, x_26);
+x_61 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_61, 0, x_60);
+lean_ctor_set(x_61, 1, x_59);
+x_16 = x_61;
+x_17 = x_55;
+goto block_25;
+}
+}
+}
+}
+else
+{
+lean_object* x_62; 
+x_62 = lean_box(0);
+x_27 = x_62;
+goto block_30;
+}
+}
+else
+{
+lean_object* x_63; 
+lean_inc(x_6);
+lean_inc(x_1);
+x_63 = l_Lean_Elab_Term_ToDepElimPattern_main___main(x_1, x_26, x_5, x_6, x_7);
+if (lean_obj_tag(x_63) == 0)
+{
+lean_object* x_64; lean_object* x_65; 
+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_16 = x_64;
+x_17 = x_65;
+goto block_25;
+}
+else
+{
+uint8_t x_66; 
+lean_dec(x_15);
+lean_dec(x_6);
+lean_dec(x_3);
+lean_dec(x_1);
+x_66 = !lean_is_exclusive(x_63);
+if (x_66 == 0)
+{
+return x_63;
+}
+else
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; 
+x_67 = lean_ctor_get(x_63, 0);
+x_68 = lean_ctor_get(x_63, 1);
+lean_inc(x_68);
+lean_inc(x_67);
+lean_dec(x_63);
+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;
+}
+}
+}
+block_25:
+{
+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_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
+x_19 = lean_ctor_get(x_16, 1);
+lean_inc(x_19);
+lean_dec(x_16);
+x_20 = lean_unsigned_to_nat(1u);
+x_21 = lean_nat_add(x_3, x_20);
+x_22 = x_18;
+x_23 = lean_array_fset(x_15, x_3, x_22);
+lean_dec(x_3);
+x_3 = x_21;
+x_4 = x_23;
+x_5 = x_19;
+x_7 = x_17;
+goto _start;
+}
+block_30:
+{
+lean_object* x_28; lean_object* x_29; 
+lean_dec(x_27);
+x_28 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_28, 0, x_26);
+x_29 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_29, 0, x_28);
+lean_ctor_set(x_29, 1, x_5);
+x_16 = x_29;
+x_17 = x_7;
+goto block_25;
+}
+}
+}
+}
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___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_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_5);
+x_7 = 0;
+return x_7;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = lean_array_fget(x_3, x_5);
+x_9 = l_Lean_LocalDecl_fvarId(x_8);
+lean_dec(x_8);
+x_10 = lean_name_eq(x_9, x_2);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_5, x_11);
+lean_dec(x_5);
+x_5 = x_12;
+goto _start;
+}
+else
+{
+lean_dec(x_5);
+return x_10;
+}
+}
+}
+}
+lean_object* l_List_mapM___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+lean_dec(x_4);
+lean_dec(x_1);
+x_6 = lean_box(0);
+x_7 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_7, 0, x_6);
+lean_ctor_set(x_7, 1, x_3);
+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;
+}
+else
+{
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_2);
+if (x_9 == 0)
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+x_10 = lean_ctor_get(x_2, 0);
+x_11 = lean_ctor_get(x_2, 1);
+lean_inc(x_4);
+lean_inc(x_1);
+x_12 = l_Lean_Elab_Term_ToDepElimPattern_main___main(x_1, x_10, x_3, x_4, x_5);
+if (lean_obj_tag(x_12) == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; lean_object* 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 = lean_ctor_get(x_13, 0);
+lean_inc(x_15);
+x_16 = lean_ctor_get(x_13, 1);
+lean_inc(x_16);
+lean_dec(x_13);
+x_17 = l_List_mapM___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__5(x_1, x_11, x_16, x_4, x_14);
+if (lean_obj_tag(x_17) == 0)
+{
+uint8_t x_18; 
+x_18 = !lean_is_exclusive(x_17);
+if (x_18 == 0)
+{
+lean_object* x_19; uint8_t x_20; 
+x_19 = lean_ctor_get(x_17, 0);
+x_20 = !lean_is_exclusive(x_19);
+if (x_20 == 0)
+{
+lean_object* x_21; 
+x_21 = lean_ctor_get(x_19, 0);
+lean_ctor_set(x_2, 1, x_21);
+lean_ctor_set(x_2, 0, x_15);
+lean_ctor_set(x_19, 0, x_2);
+return x_17;
+}
+else
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; 
+x_22 = lean_ctor_get(x_19, 0);
+x_23 = lean_ctor_get(x_19, 1);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_dec(x_19);
+lean_ctor_set(x_2, 1, x_22);
+lean_ctor_set(x_2, 0, x_15);
+x_24 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_24, 0, x_2);
+lean_ctor_set(x_24, 1, x_23);
+lean_ctor_set(x_17, 0, x_24);
+return x_17;
+}
+}
+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; 
+x_25 = lean_ctor_get(x_17, 0);
+x_26 = lean_ctor_get(x_17, 1);
+lean_inc(x_26);
+lean_inc(x_25);
+lean_dec(x_17);
+x_27 = lean_ctor_get(x_25, 0);
+lean_inc(x_27);
+x_28 = lean_ctor_get(x_25, 1);
+lean_inc(x_28);
+if (lean_is_exclusive(x_25)) {
+ lean_ctor_release(x_25, 0);
+ lean_ctor_release(x_25, 1);
+ x_29 = x_25;
+} else {
+ lean_dec_ref(x_25);
+ x_29 = lean_box(0);
+}
+lean_ctor_set(x_2, 1, x_27);
+lean_ctor_set(x_2, 0, x_15);
+if (lean_is_scalar(x_29)) {
+ x_30 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_30 = x_29;
+}
+lean_ctor_set(x_30, 0, x_2);
+lean_ctor_set(x_30, 1, x_28);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_30);
+lean_ctor_set(x_31, 1, x_26);
+return x_31;
+}
+}
+else
+{
+uint8_t x_32; 
+lean_dec(x_15);
+lean_free_object(x_2);
+x_32 = !lean_is_exclusive(x_17);
+if (x_32 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_17, 0);
+x_34 = lean_ctor_get(x_17, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_17);
+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;
+}
+}
+}
+else
+{
+uint8_t x_36; 
+lean_free_object(x_2);
+lean_dec(x_11);
+lean_dec(x_4);
+lean_dec(x_1);
+x_36 = !lean_is_exclusive(x_12);
+if (x_36 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; 
+x_37 = lean_ctor_get(x_12, 0);
+x_38 = lean_ctor_get(x_12, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_12);
+x_39 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_39, 0, x_37);
+lean_ctor_set(x_39, 1, x_38);
+return x_39;
+}
+}
+}
+else
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; 
+x_40 = lean_ctor_get(x_2, 0);
+x_41 = lean_ctor_get(x_2, 1);
+lean_inc(x_41);
+lean_inc(x_40);
+lean_dec(x_2);
+lean_inc(x_4);
+lean_inc(x_1);
+x_42 = l_Lean_Elab_Term_ToDepElimPattern_main___main(x_1, x_40, x_3, x_4, x_5);
+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; 
+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_ctor_get(x_43, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_43, 1);
+lean_inc(x_46);
+lean_dec(x_43);
+x_47 = l_List_mapM___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__5(x_1, x_41, x_46, x_4, x_44);
+if (lean_obj_tag(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; 
+x_48 = lean_ctor_get(x_47, 0);
+lean_inc(x_48);
+x_49 = lean_ctor_get(x_47, 1);
+lean_inc(x_49);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_50 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_50 = lean_box(0);
+}
+x_51 = lean_ctor_get(x_48, 0);
+lean_inc(x_51);
+x_52 = lean_ctor_get(x_48, 1);
+lean_inc(x_52);
+if (lean_is_exclusive(x_48)) {
+ lean_ctor_release(x_48, 0);
+ lean_ctor_release(x_48, 1);
+ x_53 = x_48;
+} else {
+ lean_dec_ref(x_48);
+ x_53 = lean_box(0);
+}
+x_54 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_54, 0, x_45);
+lean_ctor_set(x_54, 1, x_51);
+if (lean_is_scalar(x_53)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_55 = x_53;
+}
+lean_ctor_set(x_55, 0, x_54);
+lean_ctor_set(x_55, 1, x_52);
+if (lean_is_scalar(x_50)) {
+ x_56 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_56 = x_50;
+}
+lean_ctor_set(x_56, 0, x_55);
+lean_ctor_set(x_56, 1, x_49);
+return x_56;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+lean_dec(x_45);
+x_57 = lean_ctor_get(x_47, 0);
+lean_inc(x_57);
+x_58 = lean_ctor_get(x_47, 1);
+lean_inc(x_58);
+if (lean_is_exclusive(x_47)) {
+ lean_ctor_release(x_47, 0);
+ lean_ctor_release(x_47, 1);
+ x_59 = x_47;
+} else {
+ lean_dec_ref(x_47);
+ x_59 = lean_box(0);
+}
+if (lean_is_scalar(x_59)) {
+ x_60 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_60 = x_59;
+}
+lean_ctor_set(x_60, 0, x_57);
+lean_ctor_set(x_60, 1, x_58);
+return x_60;
+}
+}
+else
+{
+lean_object* x_61; lean_object* x_62; lean_object* x_63; lean_object* x_64; 
+lean_dec(x_41);
+lean_dec(x_4);
+lean_dec(x_1);
+x_61 = lean_ctor_get(x_42, 0);
+lean_inc(x_61);
+x_62 = lean_ctor_get(x_42, 1);
+lean_inc(x_62);
+if (lean_is_exclusive(x_42)) {
+ lean_ctor_release(x_42, 0);
+ lean_ctor_release(x_42, 1);
+ x_63 = x_42;
+} else {
+ lean_dec_ref(x_42);
+ x_63 = lean_box(0);
+}
+if (lean_is_scalar(x_63)) {
+ x_64 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_64 = x_63;
+}
+lean_ctor_set(x_64, 0, x_61);
+lean_ctor_set(x_64, 1, x_62);
+return x_64;
+}
+}
+}
+}
+}
+uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6(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_nat_dec_lt(x_5, x_4);
+if (x_6 == 0)
+{
+uint8_t x_7; 
+lean_dec(x_5);
+x_7 = 0;
+return x_7;
+}
+else
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = lean_array_fget(x_3, x_5);
+x_9 = l_Lean_LocalDecl_fvarId(x_8);
+lean_dec(x_8);
+x_10 = lean_name_eq(x_9, x_2);
+lean_dec(x_9);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; 
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_5, x_11);
+lean_dec(x_5);
+x_5 = x_12;
+goto _start;
+}
+else
+{
+lean_dec(x_5);
+return x_10;
+}
+}
+}
+}
+lean_object* _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("unexpected occurrence of auxiliary declaration 'namedPattern'");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main___main(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_Elab_Term_inaccessible_x3f(x_2);
+if (lean_obj_tag(x_6) == 0)
+{
+lean_object* x_7; 
+x_7 = l_Lean_Expr_arrayLit_x3f(x_2);
+if (lean_obj_tag(x_7) == 0)
+{
+lean_object* x_8; lean_object* x_9; uint8_t x_10; 
+x_8 = l___private_Lean_Elab_Match_20__collect___main___lambda__2___closed__6;
+x_9 = lean_unsigned_to_nat(3u);
+x_10 = l_Lean_Expr_isAppOfArity___main(x_2, x_8, x_9);
+if (x_10 == 0)
+{
+uint8_t x_11; 
+x_11 = l_Lean_Expr_isNatLit(x_2);
+if (x_11 == 0)
+{
+uint8_t x_12; 
+x_12 = l_Lean_Expr_isStringLit(x_2);
+if (x_12 == 0)
+{
+uint8_t x_13; 
+x_13 = l_Lean_Expr_isCharLit(x_2);
+if (x_13 == 0)
+{
+uint8_t x_14; 
+x_14 = l_Lean_Expr_isFVar(x_2);
+if (x_14 == 0)
+{
+lean_object* x_15; 
+lean_inc(x_4);
+lean_inc(x_2);
+x_15 = l_Lean_Elab_Term_whnf(x_2, x_4, x_5);
+if (lean_obj_tag(x_15) == 0)
+{
+lean_object* x_16; lean_object* x_17; uint8_t x_18; 
+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 = lean_expr_eqv(x_16, x_2);
+if (x_18 == 0)
+{
+lean_dec(x_2);
+x_2 = x_16;
+x_5 = x_17;
+goto _start;
+}
+else
+{
+lean_object* x_20; 
+lean_dec(x_16);
+x_20 = l_Lean_Expr_getAppFn___main(x_2);
+if (lean_obj_tag(x_20) == 4)
+{
+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_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 = l_Lean_Elab_Term_getEnv___rarg(x_17);
+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);
+lean_inc(x_21);
+x_26 = lean_environment_find(x_24, x_21);
+if (lean_obj_tag(x_26) == 0)
+{
+lean_object* x_27; 
+lean_dec(x_22);
+lean_dec(x_21);
+lean_dec(x_1);
+x_27 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_2, x_3, x_4, x_25);
+lean_dec(x_3);
+return x_27;
+}
+else
+{
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_26, 0);
+lean_inc(x_28);
+lean_dec(x_26);
+if (lean_obj_tag(x_28) == 6)
+{
+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; uint8_t 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_29 = lean_ctor_get(x_28, 0);
+lean_inc(x_29);
+lean_dec(x_28);
+x_30 = lean_unsigned_to_nat(0u);
+x_31 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_30);
+x_32 = l_Lean_Expr_getAppArgs___closed__1;
+lean_inc(x_31);
+x_33 = lean_mk_array(x_31, x_32);
+x_34 = lean_unsigned_to_nat(1u);
+x_35 = lean_nat_sub(x_31, x_34);
+lean_dec(x_31);
+lean_inc(x_2);
+x_36 = l___private_Lean_Expr_3__getAppArgsAux___main(x_2, x_33, x_35);
+x_37 = lean_array_get_size(x_36);
+x_38 = lean_ctor_get(x_29, 3);
+lean_inc(x_38);
+x_39 = lean_ctor_get(x_29, 4);
+lean_inc(x_39);
+x_40 = lean_nat_add(x_38, x_39);
+lean_dec(x_39);
+x_41 = lean_nat_dec_eq(x_37, x_40);
+lean_dec(x_40);
+x_42 = l_Array_extract___rarg(x_36, x_30, x_38);
+x_43 = l_Array_extract___rarg(x_36, x_38, x_37);
+lean_dec(x_37);
+lean_dec(x_36);
+x_44 = l___private_Lean_Elab_Match_29__getFieldsBinderInfo(x_29);
+lean_dec(x_29);
+x_45 = x_43;
+x_46 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__3___boxed), 7, 4);
+lean_closure_set(x_46, 0, x_1);
+lean_closure_set(x_46, 1, x_44);
+lean_closure_set(x_46, 2, x_30);
+lean_closure_set(x_46, 3, x_45);
+if (x_41 == 0)
+{
+uint8_t x_83; 
+x_83 = 0;
+x_47 = x_83;
+goto block_82;
+}
+else
+{
+uint8_t x_84; 
+x_84 = 1;
+x_47 = x_84;
+goto block_82;
+}
+block_82:
+{
+if (x_47 == 0)
+{
+lean_object* x_48; uint8_t x_49; 
+lean_dec(x_46);
+lean_dec(x_42);
+lean_dec(x_22);
+lean_dec(x_21);
+x_48 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_2, x_3, x_4, x_25);
+lean_dec(x_3);
+x_49 = !lean_is_exclusive(x_48);
+if (x_49 == 0)
+{
+return x_48;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_48, 0);
+x_51 = lean_ctor_get(x_48, 1);
+lean_inc(x_51);
+lean_inc(x_50);
+lean_dec(x_48);
+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_object* x_53; lean_object* x_54; 
+lean_dec(x_2);
+x_53 = x_46;
+x_54 = lean_apply_3(x_53, x_3, x_4, x_25);
+if (lean_obj_tag(x_54) == 0)
+{
+uint8_t x_55; 
+x_55 = !lean_is_exclusive(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; uint8_t x_57; 
+x_56 = lean_ctor_get(x_54, 0);
+x_57 = !lean_is_exclusive(x_56);
+if (x_57 == 0)
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; 
+x_58 = lean_ctor_get(x_56, 0);
+x_59 = l_Array_toList___rarg(x_42);
+lean_dec(x_42);
+x_60 = l_Array_toList___rarg(x_58);
+lean_dec(x_58);
+x_61 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_61, 0, x_21);
+lean_ctor_set(x_61, 1, x_22);
+lean_ctor_set(x_61, 2, x_59);
+lean_ctor_set(x_61, 3, x_60);
+lean_ctor_set(x_56, 0, x_61);
+return x_54;
+}
+else
+{
+lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
+x_62 = lean_ctor_get(x_56, 0);
+x_63 = lean_ctor_get(x_56, 1);
+lean_inc(x_63);
+lean_inc(x_62);
+lean_dec(x_56);
+x_64 = l_Array_toList___rarg(x_42);
+lean_dec(x_42);
+x_65 = l_Array_toList___rarg(x_62);
+lean_dec(x_62);
+x_66 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_66, 0, x_21);
+lean_ctor_set(x_66, 1, x_22);
+lean_ctor_set(x_66, 2, x_64);
+lean_ctor_set(x_66, 3, x_65);
+x_67 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_67, 0, x_66);
+lean_ctor_set(x_67, 1, x_63);
+lean_ctor_set(x_54, 0, x_67);
+return x_54;
+}
+}
+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; lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+x_68 = lean_ctor_get(x_54, 0);
+x_69 = lean_ctor_get(x_54, 1);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_dec(x_54);
+x_70 = lean_ctor_get(x_68, 0);
+lean_inc(x_70);
+x_71 = lean_ctor_get(x_68, 1);
+lean_inc(x_71);
+if (lean_is_exclusive(x_68)) {
+ lean_ctor_release(x_68, 0);
+ lean_ctor_release(x_68, 1);
+ x_72 = x_68;
+} else {
+ lean_dec_ref(x_68);
+ x_72 = lean_box(0);
+}
+x_73 = l_Array_toList___rarg(x_42);
+lean_dec(x_42);
+x_74 = l_Array_toList___rarg(x_70);
+lean_dec(x_70);
+x_75 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_75, 0, x_21);
+lean_ctor_set(x_75, 1, x_22);
+lean_ctor_set(x_75, 2, x_73);
+lean_ctor_set(x_75, 3, x_74);
+if (lean_is_scalar(x_72)) {
+ x_76 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_76 = x_72;
+}
+lean_ctor_set(x_76, 0, x_75);
+lean_ctor_set(x_76, 1, x_71);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_76);
+lean_ctor_set(x_77, 1, x_69);
+return x_77;
+}
+}
+else
+{
+uint8_t x_78; 
+lean_dec(x_42);
+lean_dec(x_22);
+lean_dec(x_21);
+x_78 = !lean_is_exclusive(x_54);
+if (x_78 == 0)
+{
+return x_54;
+}
+else
+{
+lean_object* x_79; lean_object* x_80; lean_object* x_81; 
+x_79 = lean_ctor_get(x_54, 0);
+x_80 = lean_ctor_get(x_54, 1);
+lean_inc(x_80);
+lean_inc(x_79);
+lean_dec(x_54);
+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
+{
+lean_object* x_85; 
+lean_dec(x_28);
+lean_dec(x_22);
+lean_dec(x_21);
+lean_dec(x_1);
+x_85 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_2, x_3, x_4, x_25);
+lean_dec(x_3);
+return x_85;
+}
+}
+}
+else
+{
+lean_object* x_86; 
+lean_dec(x_20);
+lean_dec(x_1);
+x_86 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_2, x_3, x_4, x_17);
+lean_dec(x_3);
+return x_86;
+}
+}
+}
+else
+{
+uint8_t x_87; 
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_87 = !lean_is_exclusive(x_15);
+if (x_87 == 0)
+{
+return x_15;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_15, 0);
+x_89 = lean_ctor_get(x_15, 1);
+lean_inc(x_89);
+lean_inc(x_88);
+lean_dec(x_15);
+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
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; uint8_t x_94; uint8_t x_95; 
+x_91 = l_Lean_Expr_fvarId_x21(x_2);
+x_92 = lean_array_get_size(x_1);
+x_93 = lean_unsigned_to_nat(0u);
+x_94 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__4(x_1, x_91, x_1, x_92, x_93);
+lean_dec(x_92);
+lean_dec(x_1);
+if (x_94 == 0)
+{
+uint8_t x_136; 
+x_136 = 0;
+x_95 = x_136;
+goto block_135;
+}
+else
+{
+uint8_t x_137; 
+x_137 = 1;
+x_95 = x_137;
+goto block_135;
+}
+block_135:
+{
+if (x_95 == 0)
+{
+lean_object* x_96; uint8_t x_97; 
+lean_dec(x_91);
+x_96 = l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg(x_2, x_3, x_4, x_5);
+lean_dec(x_3);
+x_97 = !lean_is_exclusive(x_96);
+if (x_97 == 0)
+{
+return x_96;
+}
+else
+{
+lean_object* x_98; lean_object* x_99; lean_object* x_100; 
+x_98 = lean_ctor_get(x_96, 0);
+x_99 = lean_ctor_get(x_96, 1);
+lean_inc(x_99);
+lean_inc(x_98);
+lean_dec(x_96);
+x_100 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_100, 0, x_98);
+lean_ctor_set(x_100, 1, x_99);
+return x_100;
+}
+}
+else
+{
+lean_object* x_101; lean_object* x_102; lean_object* x_103; uint8_t x_104; 
+x_101 = l___private_Lean_Elab_Match_25__alreadyVisited(x_91, x_3, x_4, x_5);
+x_102 = lean_ctor_get(x_101, 0);
+lean_inc(x_102);
+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; lean_object* x_107; lean_object* x_108; uint8_t x_109; 
+lean_dec(x_2);
+x_105 = lean_ctor_get(x_101, 1);
+lean_inc(x_105);
+lean_dec(x_101);
+x_106 = lean_ctor_get(x_102, 1);
+lean_inc(x_106);
+lean_dec(x_102);
+lean_inc(x_91);
+x_107 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_107, 0, x_91);
+x_108 = l___private_Lean_Elab_Match_26__markAsVisited(x_91, x_106, x_4, x_105);
+lean_dec(x_4);
+x_109 = !lean_is_exclusive(x_108);
+if (x_109 == 0)
+{
+lean_object* x_110; uint8_t x_111; 
+x_110 = lean_ctor_get(x_108, 0);
+x_111 = !lean_is_exclusive(x_110);
+if (x_111 == 0)
+{
+lean_object* x_112; 
+x_112 = lean_ctor_get(x_110, 0);
+lean_dec(x_112);
+lean_ctor_set(x_110, 0, x_107);
+return x_108;
+}
+else
+{
+lean_object* x_113; lean_object* x_114; 
+x_113 = lean_ctor_get(x_110, 1);
+lean_inc(x_113);
+lean_dec(x_110);
+x_114 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_114, 0, x_107);
+lean_ctor_set(x_114, 1, x_113);
+lean_ctor_set(x_108, 0, x_114);
+return x_108;
+}
+}
+else
+{
+lean_object* x_115; lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; 
+x_115 = lean_ctor_get(x_108, 0);
+x_116 = lean_ctor_get(x_108, 1);
+lean_inc(x_116);
+lean_inc(x_115);
+lean_dec(x_108);
+x_117 = lean_ctor_get(x_115, 1);
+lean_inc(x_117);
+if (lean_is_exclusive(x_115)) {
+ lean_ctor_release(x_115, 0);
+ lean_ctor_release(x_115, 1);
+ x_118 = x_115;
+} else {
+ lean_dec_ref(x_115);
+ x_118 = lean_box(0);
+}
+if (lean_is_scalar(x_118)) {
+ x_119 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_119 = x_118;
+}
+lean_ctor_set(x_119, 0, x_107);
+lean_ctor_set(x_119, 1, x_117);
+x_120 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_120, 0, x_119);
+lean_ctor_set(x_120, 1, x_116);
+return x_120;
+}
+}
+else
+{
+uint8_t x_121; 
+lean_dec(x_91);
+lean_dec(x_4);
+x_121 = !lean_is_exclusive(x_101);
+if (x_121 == 0)
+{
+lean_object* x_122; uint8_t x_123; 
+x_122 = lean_ctor_get(x_101, 0);
+lean_dec(x_122);
+x_123 = !lean_is_exclusive(x_102);
+if (x_123 == 0)
+{
+lean_object* x_124; lean_object* x_125; 
+x_124 = lean_ctor_get(x_102, 0);
+lean_dec(x_124);
+x_125 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_125, 0, x_2);
+lean_ctor_set(x_102, 0, x_125);
+return x_101;
+}
+else
+{
+lean_object* x_126; lean_object* x_127; lean_object* x_128; 
+x_126 = lean_ctor_get(x_102, 1);
+lean_inc(x_126);
+lean_dec(x_102);
+x_127 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_127, 0, x_2);
+x_128 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_128, 0, x_127);
+lean_ctor_set(x_128, 1, x_126);
+lean_ctor_set(x_101, 0, x_128);
+return x_101;
+}
+}
+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; 
+x_129 = lean_ctor_get(x_101, 1);
+lean_inc(x_129);
+lean_dec(x_101);
+x_130 = lean_ctor_get(x_102, 1);
+lean_inc(x_130);
+if (lean_is_exclusive(x_102)) {
+ lean_ctor_release(x_102, 0);
+ lean_ctor_release(x_102, 1);
+ x_131 = x_102;
+} else {
+ lean_dec_ref(x_102);
+ x_131 = lean_box(0);
+}
+x_132 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_132, 0, x_2);
+if (lean_is_scalar(x_131)) {
+ x_133 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_133 = x_131;
+}
+lean_ctor_set(x_133, 0, x_132);
+lean_ctor_set(x_133, 1, x_130);
+x_134 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_134, 0, x_133);
+lean_ctor_set(x_134, 1, x_129);
+return x_134;
+}
+}
+}
+}
+}
+}
+else
+{
+lean_object* x_138; lean_object* x_139; lean_object* x_140; 
+lean_dec(x_4);
+lean_dec(x_1);
+x_138 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_138, 0, x_2);
+x_139 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_139, 0, x_138);
+lean_ctor_set(x_139, 1, x_3);
+x_140 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_140, 0, x_139);
+lean_ctor_set(x_140, 1, x_5);
+return x_140;
+}
+}
+else
+{
+lean_object* x_141; lean_object* x_142; lean_object* x_143; 
+lean_dec(x_4);
+lean_dec(x_1);
+x_141 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_141, 0, x_2);
+x_142 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_142, 0, x_141);
+lean_ctor_set(x_142, 1, x_3);
+x_143 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_5);
+return x_143;
+}
+}
+else
+{
+lean_object* x_144; lean_object* x_145; lean_object* x_146; 
+lean_dec(x_4);
+lean_dec(x_1);
+x_144 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_144, 0, x_2);
+x_145 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_145, 0, x_144);
+lean_ctor_set(x_145, 1, x_3);
+x_146 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_146, 0, x_145);
+lean_ctor_set(x_146, 1, x_5);
+return x_146;
+}
+}
+else
+{
+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_147 = lean_unsigned_to_nat(0u);
+x_148 = l_Lean_Expr_getAppNumArgsAux___main(x_2, x_147);
+x_149 = lean_unsigned_to_nat(2u);
+x_150 = lean_nat_sub(x_148, x_149);
+x_151 = lean_unsigned_to_nat(1u);
+x_152 = lean_nat_sub(x_150, x_151);
+lean_dec(x_150);
+x_153 = l_Lean_Expr_getRevArg_x21___main(x_2, x_152);
+lean_inc(x_4);
+x_154 = l_Lean_Elab_Term_ToDepElimPattern_main___main(x_1, x_153, x_3, x_4, x_5);
+if (lean_obj_tag(x_154) == 0)
+{
+uint8_t x_155; 
+x_155 = !lean_is_exclusive(x_154);
+if (x_155 == 0)
+{
+lean_object* x_156; uint8_t x_157; 
+x_156 = lean_ctor_get(x_154, 0);
+x_157 = !lean_is_exclusive(x_156);
+if (x_157 == 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; 
+x_158 = lean_ctor_get(x_154, 1);
+x_159 = lean_ctor_get(x_156, 0);
+x_160 = lean_ctor_get(x_156, 1);
+x_161 = lean_nat_sub(x_148, x_151);
+lean_dec(x_148);
+x_162 = lean_nat_sub(x_161, x_151);
+lean_dec(x_161);
+x_163 = l_Lean_Expr_getRevArg_x21___main(x_2, x_162);
+lean_dec(x_2);
+if (lean_obj_tag(x_163) == 1)
+{
+lean_object* x_164; lean_object* x_165; 
+lean_dec(x_4);
+x_164 = lean_ctor_get(x_163, 0);
+lean_inc(x_164);
+lean_dec(x_163);
+x_165 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_165, 0, x_164);
+lean_ctor_set(x_165, 1, x_159);
+lean_ctor_set(x_156, 0, x_165);
+return x_154;
+}
+else
+{
+lean_object* x_166; lean_object* x_167; uint8_t x_168; 
+lean_dec(x_163);
+lean_free_object(x_156);
+lean_dec(x_160);
+lean_dec(x_159);
+lean_free_object(x_154);
+x_166 = l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3;
+x_167 = l_Lean_Elab_Term_throwError___rarg(x_166, x_4, x_158);
+x_168 = !lean_is_exclusive(x_167);
+if (x_168 == 0)
+{
+return x_167;
+}
+else
+{
+lean_object* x_169; lean_object* x_170; lean_object* x_171; 
+x_169 = lean_ctor_get(x_167, 0);
+x_170 = lean_ctor_get(x_167, 1);
+lean_inc(x_170);
+lean_inc(x_169);
+lean_dec(x_167);
+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;
+}
+}
+}
+else
+{
+lean_object* x_172; lean_object* x_173; lean_object* x_174; lean_object* x_175; lean_object* x_176; lean_object* x_177; 
+x_172 = lean_ctor_get(x_154, 1);
+x_173 = lean_ctor_get(x_156, 0);
+x_174 = lean_ctor_get(x_156, 1);
+lean_inc(x_174);
+lean_inc(x_173);
+lean_dec(x_156);
+x_175 = lean_nat_sub(x_148, x_151);
+lean_dec(x_148);
+x_176 = lean_nat_sub(x_175, x_151);
+lean_dec(x_175);
+x_177 = l_Lean_Expr_getRevArg_x21___main(x_2, x_176);
+lean_dec(x_2);
+if (lean_obj_tag(x_177) == 1)
+{
+lean_object* x_178; lean_object* x_179; lean_object* x_180; 
+lean_dec(x_4);
+x_178 = lean_ctor_get(x_177, 0);
+lean_inc(x_178);
+lean_dec(x_177);
+x_179 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_179, 0, x_178);
+lean_ctor_set(x_179, 1, x_173);
+x_180 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_180, 0, x_179);
+lean_ctor_set(x_180, 1, x_174);
+lean_ctor_set(x_154, 0, x_180);
+return x_154;
+}
+else
+{
+lean_object* x_181; lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185; lean_object* x_186; 
+lean_dec(x_177);
+lean_dec(x_174);
+lean_dec(x_173);
+lean_free_object(x_154);
+x_181 = l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3;
+x_182 = l_Lean_Elab_Term_throwError___rarg(x_181, x_4, x_172);
+x_183 = lean_ctor_get(x_182, 0);
+lean_inc(x_183);
+x_184 = lean_ctor_get(x_182, 1);
+lean_inc(x_184);
+if (lean_is_exclusive(x_182)) {
+ lean_ctor_release(x_182, 0);
+ lean_ctor_release(x_182, 1);
+ x_185 = x_182;
+} else {
+ lean_dec_ref(x_182);
+ x_185 = lean_box(0);
+}
+if (lean_is_scalar(x_185)) {
+ x_186 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_186 = x_185;
+}
+lean_ctor_set(x_186, 0, x_183);
+lean_ctor_set(x_186, 1, x_184);
+return x_186;
+}
+}
+}
+else
+{
+lean_object* x_187; lean_object* x_188; lean_object* x_189; lean_object* x_190; lean_object* x_191; lean_object* x_192; lean_object* x_193; lean_object* x_194; 
+x_187 = lean_ctor_get(x_154, 0);
+x_188 = lean_ctor_get(x_154, 1);
+lean_inc(x_188);
+lean_inc(x_187);
+lean_dec(x_154);
+x_189 = lean_ctor_get(x_187, 0);
+lean_inc(x_189);
+x_190 = lean_ctor_get(x_187, 1);
+lean_inc(x_190);
+if (lean_is_exclusive(x_187)) {
+ lean_ctor_release(x_187, 0);
+ lean_ctor_release(x_187, 1);
+ x_191 = x_187;
+} else {
+ lean_dec_ref(x_187);
+ x_191 = lean_box(0);
+}
+x_192 = lean_nat_sub(x_148, x_151);
+lean_dec(x_148);
+x_193 = lean_nat_sub(x_192, x_151);
+lean_dec(x_192);
+x_194 = l_Lean_Expr_getRevArg_x21___main(x_2, x_193);
+lean_dec(x_2);
+if (lean_obj_tag(x_194) == 1)
+{
+lean_object* x_195; lean_object* x_196; lean_object* x_197; lean_object* x_198; 
+lean_dec(x_4);
+x_195 = lean_ctor_get(x_194, 0);
+lean_inc(x_195);
+lean_dec(x_194);
+x_196 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_196, 0, x_195);
+lean_ctor_set(x_196, 1, x_189);
+if (lean_is_scalar(x_191)) {
+ x_197 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_197 = x_191;
+}
+lean_ctor_set(x_197, 0, x_196);
+lean_ctor_set(x_197, 1, x_190);
+x_198 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_198, 0, x_197);
+lean_ctor_set(x_198, 1, x_188);
+return x_198;
+}
+else
+{
+lean_object* x_199; lean_object* x_200; lean_object* x_201; lean_object* x_202; lean_object* x_203; lean_object* x_204; 
+lean_dec(x_194);
+lean_dec(x_191);
+lean_dec(x_190);
+lean_dec(x_189);
+x_199 = l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3;
+x_200 = l_Lean_Elab_Term_throwError___rarg(x_199, x_4, x_188);
+x_201 = lean_ctor_get(x_200, 0);
+lean_inc(x_201);
+x_202 = lean_ctor_get(x_200, 1);
+lean_inc(x_202);
+if (lean_is_exclusive(x_200)) {
+ lean_ctor_release(x_200, 0);
+ lean_ctor_release(x_200, 1);
+ x_203 = x_200;
+} else {
+ lean_dec_ref(x_200);
+ x_203 = lean_box(0);
+}
+if (lean_is_scalar(x_203)) {
+ x_204 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_204 = x_203;
+}
+lean_ctor_set(x_204, 0, x_201);
+lean_ctor_set(x_204, 1, x_202);
+return x_204;
+}
+}
+}
+else
+{
+uint8_t x_205; 
+lean_dec(x_148);
+lean_dec(x_4);
+lean_dec(x_2);
+x_205 = !lean_is_exclusive(x_154);
+if (x_205 == 0)
+{
+return x_154;
+}
+else
+{
+lean_object* x_206; lean_object* x_207; lean_object* x_208; 
+x_206 = lean_ctor_get(x_154, 0);
+x_207 = lean_ctor_get(x_154, 1);
+lean_inc(x_207);
+lean_inc(x_206);
+lean_dec(x_154);
+x_208 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_208, 0, x_206);
+lean_ctor_set(x_208, 1, x_207);
+return x_208;
+}
+}
+}
+}
+else
+{
+lean_object* x_209; lean_object* x_210; lean_object* x_211; lean_object* x_212; 
+lean_dec(x_2);
+x_209 = lean_ctor_get(x_7, 0);
+lean_inc(x_209);
+lean_dec(x_7);
+x_210 = lean_ctor_get(x_209, 0);
+lean_inc(x_210);
+x_211 = lean_ctor_get(x_209, 1);
+lean_inc(x_211);
+lean_dec(x_209);
+x_212 = l_List_mapM___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__5(x_1, x_211, x_3, x_4, x_5);
+if (lean_obj_tag(x_212) == 0)
+{
+uint8_t x_213; 
+x_213 = !lean_is_exclusive(x_212);
+if (x_213 == 0)
+{
+lean_object* x_214; uint8_t x_215; 
+x_214 = lean_ctor_get(x_212, 0);
+x_215 = !lean_is_exclusive(x_214);
+if (x_215 == 0)
+{
+lean_object* x_216; lean_object* x_217; 
+x_216 = lean_ctor_get(x_214, 0);
+x_217 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_217, 0, x_210);
+lean_ctor_set(x_217, 1, x_216);
+lean_ctor_set(x_214, 0, x_217);
+return x_212;
+}
+else
+{
+lean_object* x_218; lean_object* x_219; lean_object* x_220; lean_object* x_221; 
+x_218 = lean_ctor_get(x_214, 0);
+x_219 = lean_ctor_get(x_214, 1);
+lean_inc(x_219);
+lean_inc(x_218);
+lean_dec(x_214);
+x_220 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_220, 0, x_210);
+lean_ctor_set(x_220, 1, x_218);
+x_221 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_221, 0, x_220);
+lean_ctor_set(x_221, 1, x_219);
+lean_ctor_set(x_212, 0, x_221);
+return x_212;
+}
+}
+else
+{
+lean_object* x_222; lean_object* x_223; lean_object* x_224; lean_object* x_225; lean_object* x_226; lean_object* x_227; lean_object* x_228; lean_object* x_229; 
+x_222 = lean_ctor_get(x_212, 0);
+x_223 = lean_ctor_get(x_212, 1);
+lean_inc(x_223);
+lean_inc(x_222);
+lean_dec(x_212);
+x_224 = lean_ctor_get(x_222, 0);
+lean_inc(x_224);
+x_225 = lean_ctor_get(x_222, 1);
+lean_inc(x_225);
+if (lean_is_exclusive(x_222)) {
+ lean_ctor_release(x_222, 0);
+ lean_ctor_release(x_222, 1);
+ x_226 = x_222;
+} else {
+ lean_dec_ref(x_222);
+ x_226 = lean_box(0);
+}
+x_227 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_227, 0, x_210);
+lean_ctor_set(x_227, 1, x_224);
+if (lean_is_scalar(x_226)) {
+ x_228 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_228 = x_226;
+}
+lean_ctor_set(x_228, 0, x_227);
+lean_ctor_set(x_228, 1, x_225);
+x_229 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_229, 0, x_228);
+lean_ctor_set(x_229, 1, x_223);
+return x_229;
+}
+}
+else
+{
+uint8_t x_230; 
+lean_dec(x_210);
+x_230 = !lean_is_exclusive(x_212);
+if (x_230 == 0)
+{
+return x_212;
+}
+else
+{
+lean_object* x_231; lean_object* x_232; lean_object* x_233; 
+x_231 = lean_ctor_get(x_212, 0);
+x_232 = lean_ctor_get(x_212, 1);
+lean_inc(x_232);
+lean_inc(x_231);
+lean_dec(x_212);
+x_233 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_233, 0, x_231);
+lean_ctor_set(x_233, 1, x_232);
+return x_233;
+}
+}
+}
+}
+else
+{
+lean_object* x_234; lean_object* x_235; 
+lean_dec(x_2);
+x_234 = lean_ctor_get(x_6, 0);
+lean_inc(x_234);
+lean_dec(x_6);
+if (lean_obj_tag(x_234) == 1)
+{
+lean_object* x_240; lean_object* x_241; lean_object* x_242; uint8_t x_243; 
+x_240 = lean_ctor_get(x_234, 0);
+lean_inc(x_240);
+x_241 = lean_array_get_size(x_1);
+x_242 = lean_unsigned_to_nat(0u);
+x_243 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6(x_1, x_240, x_1, x_241, x_242);
+lean_dec(x_241);
+lean_dec(x_1);
+if (x_243 == 0)
+{
+lean_object* x_244; 
+lean_dec(x_240);
+lean_dec(x_4);
+x_244 = lean_box(0);
+x_235 = x_244;
+goto block_239;
+}
+else
+{
+lean_object* x_245; lean_object* x_246; lean_object* x_247; uint8_t x_248; 
+x_245 = l___private_Lean_Elab_Match_25__alreadyVisited(x_240, x_3, x_4, x_5);
+x_246 = lean_ctor_get(x_245, 0);
+lean_inc(x_246);
+x_247 = lean_ctor_get(x_246, 0);
+lean_inc(x_247);
+x_248 = lean_unbox(x_247);
+lean_dec(x_247);
+if (x_248 == 0)
+{
+lean_object* x_249; lean_object* x_250; lean_object* x_251; lean_object* x_252; lean_object* x_253; uint8_t x_254; 
+x_249 = lean_ctor_get(x_245, 1);
+lean_inc(x_249);
+lean_dec(x_245);
+x_250 = lean_ctor_get(x_246, 1);
+lean_inc(x_250);
+lean_dec(x_246);
+x_251 = l_Lean_Expr_fvarId_x21(x_234);
+lean_dec(x_234);
+x_252 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_252, 0, x_251);
+x_253 = l___private_Lean_Elab_Match_26__markAsVisited(x_240, x_250, x_4, x_249);
+lean_dec(x_4);
+x_254 = !lean_is_exclusive(x_253);
+if (x_254 == 0)
+{
+lean_object* x_255; uint8_t x_256; 
+x_255 = lean_ctor_get(x_253, 0);
+x_256 = !lean_is_exclusive(x_255);
+if (x_256 == 0)
+{
+lean_object* x_257; 
+x_257 = lean_ctor_get(x_255, 0);
+lean_dec(x_257);
+lean_ctor_set(x_255, 0, x_252);
+return x_253;
+}
+else
+{
+lean_object* x_258; lean_object* x_259; 
+x_258 = lean_ctor_get(x_255, 1);
+lean_inc(x_258);
+lean_dec(x_255);
+x_259 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_259, 0, x_252);
+lean_ctor_set(x_259, 1, x_258);
+lean_ctor_set(x_253, 0, x_259);
+return x_253;
+}
+}
+else
+{
+lean_object* x_260; lean_object* x_261; lean_object* x_262; lean_object* x_263; lean_object* x_264; lean_object* x_265; 
+x_260 = lean_ctor_get(x_253, 0);
+x_261 = lean_ctor_get(x_253, 1);
+lean_inc(x_261);
+lean_inc(x_260);
+lean_dec(x_253);
+x_262 = lean_ctor_get(x_260, 1);
+lean_inc(x_262);
+if (lean_is_exclusive(x_260)) {
+ lean_ctor_release(x_260, 0);
+ lean_ctor_release(x_260, 1);
+ x_263 = x_260;
+} else {
+ lean_dec_ref(x_260);
+ x_263 = lean_box(0);
+}
+if (lean_is_scalar(x_263)) {
+ x_264 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_264 = x_263;
+}
+lean_ctor_set(x_264, 0, x_252);
+lean_ctor_set(x_264, 1, x_262);
+x_265 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_265, 0, x_264);
+lean_ctor_set(x_265, 1, x_261);
+return x_265;
+}
+}
+else
+{
+uint8_t x_266; 
+lean_dec(x_240);
+lean_dec(x_4);
+x_266 = !lean_is_exclusive(x_245);
+if (x_266 == 0)
+{
+lean_object* x_267; uint8_t x_268; 
+x_267 = lean_ctor_get(x_245, 0);
+lean_dec(x_267);
+x_268 = !lean_is_exclusive(x_246);
+if (x_268 == 0)
+{
+lean_object* x_269; lean_object* x_270; 
+x_269 = lean_ctor_get(x_246, 0);
+lean_dec(x_269);
+x_270 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_270, 0, x_234);
+lean_ctor_set(x_246, 0, x_270);
+return x_245;
+}
+else
+{
+lean_object* x_271; lean_object* x_272; lean_object* x_273; 
+x_271 = lean_ctor_get(x_246, 1);
+lean_inc(x_271);
+lean_dec(x_246);
+x_272 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_272, 0, x_234);
+x_273 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_273, 0, x_272);
+lean_ctor_set(x_273, 1, x_271);
+lean_ctor_set(x_245, 0, x_273);
+return x_245;
+}
+}
+else
+{
+lean_object* x_274; lean_object* x_275; lean_object* x_276; lean_object* x_277; lean_object* x_278; lean_object* x_279; 
+x_274 = lean_ctor_get(x_245, 1);
+lean_inc(x_274);
+lean_dec(x_245);
+x_275 = lean_ctor_get(x_246, 1);
+lean_inc(x_275);
+if (lean_is_exclusive(x_246)) {
+ lean_ctor_release(x_246, 0);
+ lean_ctor_release(x_246, 1);
+ x_276 = x_246;
+} else {
+ lean_dec_ref(x_246);
+ x_276 = lean_box(0);
+}
+x_277 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_277, 0, x_234);
+if (lean_is_scalar(x_276)) {
+ x_278 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_278 = x_276;
+}
+lean_ctor_set(x_278, 0, x_277);
+lean_ctor_set(x_278, 1, x_275);
+x_279 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_279, 0, x_278);
+lean_ctor_set(x_279, 1, x_274);
+return x_279;
+}
+}
+}
+}
+else
+{
+lean_object* x_280; 
+lean_dec(x_4);
+lean_dec(x_1);
+x_280 = lean_box(0);
+x_235 = x_280;
+goto block_239;
+}
+block_239:
+{
+lean_object* x_236; lean_object* x_237; lean_object* x_238; 
+lean_dec(x_235);
+x_236 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_236, 0, x_234);
+x_237 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_237, 0, x_236);
+lean_ctor_set(x_237, 1, x_3);
+x_238 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_238, 0, x_237);
+lean_ctor_set(x_238, 1, x_5);
+return x_238;
+}
+}
+}
+}
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__1___boxed(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; 
+x_6 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__1(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_7 = lean_box(x_6);
+return x_7;
+}
+}
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2___boxed(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; 
+x_6 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__2(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_7 = lean_box(x_6);
+return x_7;
+}
+}
+lean_object* l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___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_object* x_7) {
+_start:
+{
+lean_object* x_8; 
+x_8 = l_Array_umapMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__3(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+lean_dec(x_2);
+return x_8;
+}
+}
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__4___boxed(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; 
+x_6 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__4(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_7 = lean_box(x_6);
+return x_7;
+}
+}
+lean_object* l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6___boxed(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; 
+x_6 = l_Array_anyRangeMAux___main___at_Lean_Elab_Term_ToDepElimPattern_main___main___spec__6(x_1, x_2, x_3, x_4, x_5);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_7 = lean_box(x_6);
+return x_7;
+}
+}
+lean_object* l_Lean_Elab_Term_ToDepElimPattern_main(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_Elab_Term_ToDepElimPattern_main___main(x_1, x_2, x_3, x_4, x_5);
+return x_6;
+}
+}
+lean_object* l_Lean_Elab_Term_toDepElimPattern(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; lean_object* x_6; 
+x_5 = l_Lean_NameSet_empty;
+x_6 = l_Lean_Elab_Term_ToDepElimPattern_main___main(x_1, x_2, x_5, x_3, x_4);
+if (lean_obj_tag(x_6) == 0)
+{
+uint8_t x_7; 
+x_7 = !lean_is_exclusive(x_6);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; 
+x_8 = lean_ctor_get(x_6, 0);
+x_9 = lean_ctor_get(x_8, 0);
+lean_inc(x_9);
+lean_dec(x_8);
+lean_ctor_set(x_6, 0, x_9);
+return x_6;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_ctor_get(x_6, 0);
+x_11 = lean_ctor_get(x_6, 1);
+lean_inc(x_11);
+lean_inc(x_10);
+lean_dec(x_6);
+x_12 = lean_ctor_get(x_10, 0);
+lean_inc(x_12);
+lean_dec(x_10);
+x_13 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_13, 0, x_12);
+lean_ctor_set(x_13, 1, x_11);
+return x_13;
+}
+}
+else
+{
+uint8_t x_14; 
+x_14 = !lean_is_exclusive(x_6);
+if (x_14 == 0)
+{
+return x_6;
+}
+else
+{
+lean_object* x_15; lean_object* x_16; lean_object* x_17; 
+x_15 = lean_ctor_get(x_6, 0);
+x_16 = lean_ctor_get(x_6, 1);
+lean_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_6);
+x_17 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+return x_17;
+}
+}
+}
+}
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; uint8_t x_6; 
@@ -17408,7 +19696,177 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__2(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__2(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; uint8_t x_7; 
+x_6 = lean_array_get_size(x_3);
+x_7 = lean_nat_dec_lt(x_2, x_6);
+lean_dec(x_6);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; 
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_8 = 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_5);
+return x_9;
+}
+else
+{
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_10 = lean_array_fget(x_3, x_2);
+x_11 = lean_unsigned_to_nat(0u);
+x_12 = lean_array_fset(x_3, x_2, x_11);
+x_13 = x_10;
+lean_inc(x_4);
+lean_inc(x_1);
+x_14 = l_Lean_Elab_Term_toDepElimPattern(x_1, x_13, x_4, x_5);
+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; 
+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_unsigned_to_nat(1u);
+x_18 = lean_nat_add(x_2, x_17);
+x_19 = x_15;
+x_20 = lean_array_fset(x_12, x_2, x_19);
+lean_dec(x_2);
+x_2 = x_18;
+x_3 = x_20;
+x_5 = x_16;
+goto _start;
+}
+else
+{
+uint8_t x_22; 
+lean_dec(x_12);
+lean_dec(x_4);
+lean_dec(x_2);
+lean_dec(x_1);
+x_22 = !lean_is_exclusive(x_14);
+if (x_22 == 0)
+{
+return x_14;
+}
+else
+{
+lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_23 = lean_ctor_get(x_14, 0);
+x_24 = lean_ctor_get(x_14, 1);
+lean_inc(x_24);
+lean_inc(x_23);
+lean_dec(x_14);
+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_object* _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("pattern contains metavariables ");
+return x_1;
+}
+}
+lean_object* _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; uint8_t x_6; 
+x_5 = lean_array_get_size(x_1);
+x_6 = lean_nat_dec_lt(x_2, x_5);
+lean_dec(x_5);
+if (x_6 == 0)
+{
+lean_object* x_7; lean_object* x_8; 
+lean_dec(x_3);
+lean_dec(x_2);
+x_7 = lean_box(0);
+x_8 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_8, 0, x_7);
+lean_ctor_set(x_8, 1, x_4);
+return x_8;
+}
+else
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
+x_9 = lean_array_fget(x_1, x_2);
+x_10 = lean_unsigned_to_nat(1u);
+x_11 = lean_nat_add(x_2, x_10);
+lean_dec(x_2);
+x_12 = l_Lean_Expr_hasExprMVar(x_9);
+if (x_12 == 0)
+{
+lean_dec(x_9);
+x_2 = x_11;
+goto _start;
+}
+else
+{
+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_11);
+x_14 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_14, 0, x_9);
+x_15 = l_Lean_indentExpr(x_14);
+x_16 = l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3;
+x_17 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_17, 0, x_16);
+lean_ctor_set(x_17, 1, x_15);
+x_18 = l_Lean_Elab_Term_throwError___rarg(x_17, x_3, x_4);
+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;
+}
+}
+}
+}
+}
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
@@ -17424,37 +19882,25 @@ return x_5;
 }
 else
 {
-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; lean_object* x_19; lean_object* x_20; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
 x_6 = lean_array_fget(x_2, x_1);
 x_7 = lean_unsigned_to_nat(0u);
 x_8 = lean_array_fset(x_2, x_1, x_7);
 x_9 = x_6;
-x_10 = l_Lean_LocalDecl_userName(x_9);
-x_11 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_11, 0, x_10);
-x_12 = l___private_Lean_Meta_ExprDefEq_8__checkTypesAndAssign___closed__7;
-x_13 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_13, 0, x_11);
-lean_ctor_set(x_13, 1, x_12);
-x_14 = l_Lean_LocalDecl_type(x_9);
-lean_dec(x_9);
-x_15 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_15, 0, x_14);
-x_16 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_16, 0, x_13);
-lean_ctor_set(x_16, 1, x_15);
-x_17 = lean_unsigned_to_nat(1u);
-x_18 = lean_nat_add(x_1, x_17);
-x_19 = x_16;
-x_20 = lean_array_fset(x_8, x_1, x_19);
+x_10 = 0;
+x_11 = l_Lean_Meta_DepElim_Pattern_toMessageData___main(x_10, x_9);
+x_12 = lean_unsigned_to_nat(1u);
+x_13 = lean_nat_add(x_1, x_12);
+x_14 = x_11;
+x_15 = lean_array_fset(x_8, x_1, x_14);
 lean_dec(x_1);
-x_1 = x_18;
-x_2 = x_20;
+x_1 = x_13;
+x_2 = x_15;
 goto _start;
 }
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__1() {
+lean_object* _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -17462,27 +19908,27 @@ x_1 = lean_mk_string("patterns: ");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__2() {
+lean_object* _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_25__elabPatterns___closed__1;
+x_1 = l___private_Lean_Elab_Match_30__elabPatterns___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__3() {
+lean_object* _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_25__elabPatterns___closed__2;
+x_1 = l___private_Lean_Elab_Match_30__elabPatterns___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Elab_Match_25__elabPatterns(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns(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_object* x_7; lean_object* x_8; lean_object* x_9; 
@@ -17497,252 +19943,583 @@ lean_inc(x_4);
 x_9 = l_Lean_Elab_Term_withSynthesize___rarg(x_8, x_4, x_5);
 if (lean_obj_tag(x_9) == 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; 
+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 = x_10;
-x_13 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__1), 4, 2);
-lean_closure_set(x_13, 0, x_6);
-lean_closure_set(x_13, 1, x_12);
-x_14 = x_13;
+x_12 = !lean_is_exclusive(x_10);
+if (x_12 == 0)
+{
+lean_object* x_13; lean_object* x_14; lean_object* x_15; 
+x_13 = lean_ctor_get(x_10, 0);
+x_14 = lean_ctor_get(x_10, 1);
 lean_inc(x_4);
-x_15 = lean_apply_2(x_14, x_4, x_11);
+x_15 = l_Lean_Elab_Term_finalizePatternDecls(x_1, x_4, x_11);
 if (lean_obj_tag(x_15) == 0)
 {
-lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+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_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 = x_13;
+x_19 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__1), 4, 2);
+lean_closure_set(x_19, 0, x_6);
+lean_closure_set(x_19, 1, x_18);
+x_20 = x_19;
 lean_inc(x_4);
-x_18 = l_Lean_Elab_Term_finalizePatternDecls(x_1, x_4, x_17);
-if (lean_obj_tag(x_18) == 0)
+x_21 = lean_apply_2(x_20, x_4, x_17);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
-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_51 = l_Lean_Elab_Term_getOptions(x_4, x_20);
-x_52 = lean_ctor_get(x_51, 0);
-lean_inc(x_52);
-x_53 = lean_ctor_get(x_51, 1);
-lean_inc(x_53);
-lean_dec(x_51);
-x_54 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
-x_55 = l_Lean_checkTraceOption(x_52, x_54);
-lean_dec(x_52);
-if (x_55 == 0)
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+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);
+lean_inc(x_22);
+x_24 = x_22;
+lean_inc(x_16);
+x_25 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__2), 5, 3);
+lean_closure_set(x_25, 0, x_16);
+lean_closure_set(x_25, 1, x_6);
+lean_closure_set(x_25, 2, x_24);
+lean_inc(x_4);
+x_26 = l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3(x_22, x_6, x_4, x_23);
+lean_dec(x_22);
+if (lean_obj_tag(x_26) == 0)
 {
-lean_dec(x_19);
-x_21 = x_53;
-goto block_50;
-}
-else
+lean_object* x_27; lean_object* x_28; lean_object* x_29; 
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = x_25;
+lean_inc(x_4);
+x_29 = lean_apply_2(x_28, x_4, x_27);
+if (lean_obj_tag(x_29) == 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; 
-x_56 = x_19;
-x_57 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_25__elabPatterns___spec__2(x_6, x_56);
-x_58 = x_57;
-x_59 = l_Lean_MessageData_ofArray(x_58);
-lean_dec(x_58);
-x_60 = l_Lean_Elab_Term_logTrace(x_54, x_59, x_4, x_53);
-x_61 = lean_ctor_get(x_60, 1);
-lean_inc(x_61);
-lean_dec(x_60);
-x_21 = x_61;
-goto block_50;
-}
-block_50:
-{
-lean_object* x_22; uint8_t x_23; 
-x_22 = l_Lean_Elab_Term_getOptions(x_4, x_21);
-x_23 = !lean_is_exclusive(x_22);
-if (x_23 == 0)
-{
-lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
-x_24 = lean_ctor_get(x_22, 0);
-x_25 = lean_ctor_get(x_22, 1);
-x_26 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
-x_27 = l_Lean_checkTraceOption(x_24, x_26);
-lean_dec(x_24);
-if (x_27 == 0)
-{
-lean_dec(x_4);
-lean_ctor_set(x_22, 0, x_16);
-return x_22;
-}
-else
-{
-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_free_object(x_22);
-x_28 = l_Lean_MessageData_coeOfArrayExpr___closed__2;
-x_29 = l_Lean_MessageData_arrayExpr_toMessageData___main(x_16, x_6, x_28);
-x_30 = l___private_Lean_Elab_Match_25__elabPatterns___closed__3;
-x_31 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_31, 0, x_30);
-lean_ctor_set(x_31, 1, x_29);
-x_32 = l_Lean_Elab_Term_logTrace(x_26, x_31, x_4, x_25);
-lean_dec(x_4);
-x_33 = !lean_is_exclusive(x_32);
-if (x_33 == 0)
-{
-lean_object* x_34; 
-x_34 = lean_ctor_get(x_32, 0);
-lean_dec(x_34);
-lean_ctor_set(x_32, 0, x_16);
-return x_32;
-}
-else
-{
-lean_object* x_35; lean_object* x_36; 
-x_35 = lean_ctor_get(x_32, 1);
-lean_inc(x_35);
-lean_dec(x_32);
-x_36 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_36, 0, x_16);
-lean_ctor_set(x_36, 1, x_35);
-return x_36;
-}
-}
-}
-else
+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_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_Array_toList___rarg(x_16);
+lean_dec(x_16);
+x_33 = l_Array_toList___rarg(x_30);
+x_34 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_34, 0, x_32);
+lean_ctor_set(x_34, 1, x_33);
+lean_ctor_set(x_10, 0, x_34);
+x_35 = l_Lean_Elab_Term_getOptions(x_4, x_31);
+x_36 = !lean_is_exclusive(x_35);
+if (x_36 == 0)
 {
 lean_object* x_37; lean_object* x_38; lean_object* x_39; uint8_t x_40; 
-x_37 = lean_ctor_get(x_22, 0);
-x_38 = lean_ctor_get(x_22, 1);
-lean_inc(x_38);
-lean_inc(x_37);
-lean_dec(x_22);
+x_37 = lean_ctor_get(x_35, 0);
+x_38 = lean_ctor_get(x_35, 1);
 x_39 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
 x_40 = l_Lean_checkTraceOption(x_37, x_39);
 lean_dec(x_37);
 if (x_40 == 0)
 {
-lean_object* x_41; 
+lean_dec(x_30);
 lean_dec(x_4);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_16);
-lean_ctor_set(x_41, 1, x_38);
-return x_41;
+lean_ctor_set(x_35, 0, x_10);
+return x_35;
 }
 else
 {
-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_42 = l_Lean_MessageData_coeOfArrayExpr___closed__2;
-x_43 = l_Lean_MessageData_arrayExpr_toMessageData___main(x_16, x_6, x_42);
-x_44 = l___private_Lean_Elab_Match_25__elabPatterns___closed__3;
-x_45 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_45, 0, x_44);
-lean_ctor_set(x_45, 1, x_43);
-x_46 = l_Lean_Elab_Term_logTrace(x_39, x_45, x_4, x_38);
+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; 
+lean_free_object(x_35);
+x_41 = x_30;
+x_42 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__4(x_6, x_41);
+x_43 = x_42;
+x_44 = l_Lean_MessageData_ofArray(x_43);
+lean_dec(x_43);
+x_45 = l___private_Lean_Elab_Match_30__elabPatterns___closed__3;
+x_46 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_46, 0, x_45);
+lean_ctor_set(x_46, 1, x_44);
+x_47 = l_Lean_Elab_Term_logTrace(x_39, x_46, x_4, x_38);
 lean_dec(x_4);
-x_47 = lean_ctor_get(x_46, 1);
-lean_inc(x_47);
-if (lean_is_exclusive(x_46)) {
- lean_ctor_release(x_46, 0);
- lean_ctor_release(x_46, 1);
- x_48 = x_46;
-} else {
- lean_dec_ref(x_46);
- x_48 = lean_box(0);
-}
-if (lean_is_scalar(x_48)) {
- x_49 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_49 = x_48;
-}
-lean_ctor_set(x_49, 0, x_16);
-lean_ctor_set(x_49, 1, x_47);
-return x_49;
+x_48 = !lean_is_exclusive(x_47);
+if (x_48 == 0)
+{
+lean_object* x_49; 
+x_49 = lean_ctor_get(x_47, 0);
+lean_dec(x_49);
+lean_ctor_set(x_47, 0, x_10);
+return x_47;
 }
+else
+{
+lean_object* x_50; lean_object* x_51; 
+x_50 = lean_ctor_get(x_47, 1);
+lean_inc(x_50);
+lean_dec(x_47);
+x_51 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_51, 0, x_10);
+lean_ctor_set(x_51, 1, x_50);
+return x_51;
 }
 }
 }
 else
 {
-uint8_t x_62; 
-lean_dec(x_16);
-lean_dec(x_4);
-x_62 = !lean_is_exclusive(x_18);
-if (x_62 == 0)
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_52 = lean_ctor_get(x_35, 0);
+x_53 = lean_ctor_get(x_35, 1);
+lean_inc(x_53);
+lean_inc(x_52);
+lean_dec(x_35);
+x_54 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_55 = l_Lean_checkTraceOption(x_52, x_54);
+lean_dec(x_52);
+if (x_55 == 0)
 {
-return x_18;
+lean_object* x_56; 
+lean_dec(x_30);
+lean_dec(x_4);
+x_56 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_56, 0, x_10);
+lean_ctor_set(x_56, 1, x_53);
+return x_56;
 }
 else
 {
-lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-x_63 = lean_ctor_get(x_18, 0);
-x_64 = lean_ctor_get(x_18, 1);
+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; 
+x_57 = x_30;
+x_58 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__4(x_6, x_57);
+x_59 = x_58;
+x_60 = l_Lean_MessageData_ofArray(x_59);
+lean_dec(x_59);
+x_61 = l___private_Lean_Elab_Match_30__elabPatterns___closed__3;
+x_62 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_62, 0, x_61);
+lean_ctor_set(x_62, 1, x_60);
+x_63 = l_Lean_Elab_Term_logTrace(x_54, x_62, x_4, x_53);
+lean_dec(x_4);
+x_64 = lean_ctor_get(x_63, 1);
 lean_inc(x_64);
-lean_inc(x_63);
-lean_dec(x_18);
-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;
+if (lean_is_exclusive(x_63)) {
+ lean_ctor_release(x_63, 0);
+ lean_ctor_release(x_63, 1);
+ x_65 = x_63;
+} else {
+ lean_dec_ref(x_63);
+ x_65 = lean_box(0);
+}
+if (lean_is_scalar(x_65)) {
+ x_66 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_66 = x_65;
+}
+lean_ctor_set(x_66, 0, x_10);
+lean_ctor_set(x_66, 1, x_64);
+return x_66;
 }
 }
 }
 else
 {
-uint8_t x_66; 
+uint8_t x_67; 
+lean_dec(x_16);
+lean_free_object(x_10);
+lean_dec(x_14);
 lean_dec(x_4);
-x_66 = !lean_is_exclusive(x_15);
-if (x_66 == 0)
+x_67 = !lean_is_exclusive(x_29);
+if (x_67 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_29, 0);
+x_69 = lean_ctor_get(x_29, 1);
+lean_inc(x_69);
+lean_inc(x_68);
+lean_dec(x_29);
+x_70 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_70, 0, x_68);
+lean_ctor_set(x_70, 1, x_69);
+return x_70;
+}
+}
+}
+else
+{
+uint8_t x_71; 
+lean_dec(x_25);
+lean_dec(x_16);
+lean_free_object(x_10);
+lean_dec(x_14);
+lean_dec(x_4);
+x_71 = !lean_is_exclusive(x_26);
+if (x_71 == 0)
+{
+return x_26;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_72 = lean_ctor_get(x_26, 0);
+x_73 = lean_ctor_get(x_26, 1);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_26);
+x_74 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_74, 1, x_73);
+return x_74;
+}
+}
+}
+else
+{
+uint8_t x_75; 
+lean_dec(x_16);
+lean_free_object(x_10);
+lean_dec(x_14);
+lean_dec(x_4);
+x_75 = !lean_is_exclusive(x_21);
+if (x_75 == 0)
+{
+return x_21;
+}
+else
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_21, 0);
+x_77 = lean_ctor_get(x_21, 1);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_dec(x_21);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
+}
+}
+}
+else
+{
+uint8_t x_79; 
+lean_free_object(x_10);
+lean_dec(x_14);
+lean_dec(x_13);
+lean_dec(x_4);
+x_79 = !lean_is_exclusive(x_15);
+if (x_79 == 0)
 {
 return x_15;
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_67 = lean_ctor_get(x_15, 0);
-x_68 = lean_ctor_get(x_15, 1);
-lean_inc(x_68);
-lean_inc(x_67);
+lean_object* x_80; lean_object* x_81; lean_object* x_82; 
+x_80 = lean_ctor_get(x_15, 0);
+x_81 = lean_ctor_get(x_15, 1);
+lean_inc(x_81);
+lean_inc(x_80);
 lean_dec(x_15);
-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;
+x_82 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_82, 0, x_80);
+lean_ctor_set(x_82, 1, x_81);
+return x_82;
 }
 }
 }
 else
 {
-uint8_t x_70; 
+lean_object* x_83; lean_object* x_84; lean_object* x_85; 
+x_83 = lean_ctor_get(x_10, 0);
+x_84 = lean_ctor_get(x_10, 1);
+lean_inc(x_84);
+lean_inc(x_83);
+lean_dec(x_10);
+lean_inc(x_4);
+x_85 = l_Lean_Elab_Term_finalizePatternDecls(x_1, x_4, x_11);
+if (lean_obj_tag(x_85) == 0)
+{
+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_86 = lean_ctor_get(x_85, 0);
+lean_inc(x_86);
+x_87 = lean_ctor_get(x_85, 1);
+lean_inc(x_87);
+lean_dec(x_85);
+x_88 = x_83;
+x_89 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__1), 4, 2);
+lean_closure_set(x_89, 0, x_6);
+lean_closure_set(x_89, 1, x_88);
+x_90 = x_89;
+lean_inc(x_4);
+x_91 = lean_apply_2(x_90, x_4, x_87);
+if (lean_obj_tag(x_91) == 0)
+{
+lean_object* x_92; lean_object* x_93; lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 1);
+lean_inc(x_93);
+lean_dec(x_91);
+lean_inc(x_92);
+x_94 = x_92;
+lean_inc(x_86);
+x_95 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__2), 5, 3);
+lean_closure_set(x_95, 0, x_86);
+lean_closure_set(x_95, 1, x_6);
+lean_closure_set(x_95, 2, x_94);
+lean_inc(x_4);
+x_96 = l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3(x_92, x_6, x_4, x_93);
+lean_dec(x_92);
+if (lean_obj_tag(x_96) == 0)
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; 
+x_97 = lean_ctor_get(x_96, 1);
+lean_inc(x_97);
+lean_dec(x_96);
+x_98 = x_95;
+lean_inc(x_4);
+x_99 = lean_apply_2(x_98, x_4, x_97);
+if (lean_obj_tag(x_99) == 0)
+{
+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; lean_object* x_110; uint8_t x_111; 
+x_100 = lean_ctor_get(x_99, 0);
+lean_inc(x_100);
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = l_Array_toList___rarg(x_86);
+lean_dec(x_86);
+x_103 = l_Array_toList___rarg(x_100);
+x_104 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_104, 0, x_102);
+lean_ctor_set(x_104, 1, x_103);
+x_105 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_105, 0, x_104);
+lean_ctor_set(x_105, 1, x_84);
+x_106 = l_Lean_Elab_Term_getOptions(x_4, x_101);
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
+lean_inc(x_108);
+if (lean_is_exclusive(x_106)) {
+ lean_ctor_release(x_106, 0);
+ lean_ctor_release(x_106, 1);
+ x_109 = x_106;
+} else {
+ lean_dec_ref(x_106);
+ x_109 = lean_box(0);
+}
+x_110 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_111 = l_Lean_checkTraceOption(x_107, x_110);
+lean_dec(x_107);
+if (x_111 == 0)
+{
+lean_object* x_112; 
+lean_dec(x_100);
 lean_dec(x_4);
-x_70 = !lean_is_exclusive(x_9);
-if (x_70 == 0)
+if (lean_is_scalar(x_109)) {
+ x_112 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_112 = x_109;
+}
+lean_ctor_set(x_112, 0, x_105);
+lean_ctor_set(x_112, 1, x_108);
+return x_112;
+}
+else
+{
+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; lean_object* x_121; lean_object* x_122; 
+lean_dec(x_109);
+x_113 = x_100;
+x_114 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__4(x_6, x_113);
+x_115 = x_114;
+x_116 = l_Lean_MessageData_ofArray(x_115);
+lean_dec(x_115);
+x_117 = l___private_Lean_Elab_Match_30__elabPatterns___closed__3;
+x_118 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_116);
+x_119 = l_Lean_Elab_Term_logTrace(x_110, x_118, x_4, x_108);
+lean_dec(x_4);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_119)) {
+ lean_ctor_release(x_119, 0);
+ lean_ctor_release(x_119, 1);
+ x_121 = x_119;
+} else {
+ lean_dec_ref(x_119);
+ x_121 = lean_box(0);
+}
+if (lean_is_scalar(x_121)) {
+ x_122 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_122 = x_121;
+}
+lean_ctor_set(x_122, 0, x_105);
+lean_ctor_set(x_122, 1, x_120);
+return x_122;
+}
+}
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+lean_dec(x_86);
+lean_dec(x_84);
+lean_dec(x_4);
+x_123 = lean_ctor_get(x_99, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_99, 1);
+lean_inc(x_124);
+if (lean_is_exclusive(x_99)) {
+ lean_ctor_release(x_99, 0);
+ lean_ctor_release(x_99, 1);
+ x_125 = x_99;
+} else {
+ lean_dec_ref(x_99);
+ x_125 = lean_box(0);
+}
+if (lean_is_scalar(x_125)) {
+ x_126 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_126 = x_125;
+}
+lean_ctor_set(x_126, 0, x_123);
+lean_ctor_set(x_126, 1, x_124);
+return x_126;
+}
+}
+else
+{
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; 
+lean_dec(x_95);
+lean_dec(x_86);
+lean_dec(x_84);
+lean_dec(x_4);
+x_127 = lean_ctor_get(x_96, 0);
+lean_inc(x_127);
+x_128 = lean_ctor_get(x_96, 1);
+lean_inc(x_128);
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ x_129 = x_96;
+} else {
+ lean_dec_ref(x_96);
+ x_129 = lean_box(0);
+}
+if (lean_is_scalar(x_129)) {
+ x_130 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_130 = x_129;
+}
+lean_ctor_set(x_130, 0, x_127);
+lean_ctor_set(x_130, 1, x_128);
+return x_130;
+}
+}
+else
+{
+lean_object* x_131; lean_object* x_132; lean_object* x_133; lean_object* x_134; 
+lean_dec(x_86);
+lean_dec(x_84);
+lean_dec(x_4);
+x_131 = lean_ctor_get(x_91, 0);
+lean_inc(x_131);
+x_132 = lean_ctor_get(x_91, 1);
+lean_inc(x_132);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_133 = x_91;
+} else {
+ lean_dec_ref(x_91);
+ x_133 = lean_box(0);
+}
+if (lean_is_scalar(x_133)) {
+ x_134 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_134 = x_133;
+}
+lean_ctor_set(x_134, 0, x_131);
+lean_ctor_set(x_134, 1, x_132);
+return x_134;
+}
+}
+else
+{
+lean_object* x_135; lean_object* x_136; lean_object* x_137; lean_object* x_138; 
+lean_dec(x_84);
+lean_dec(x_83);
+lean_dec(x_4);
+x_135 = lean_ctor_get(x_85, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_85, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_85)) {
+ lean_ctor_release(x_85, 0);
+ lean_ctor_release(x_85, 1);
+ x_137 = x_85;
+} else {
+ lean_dec_ref(x_85);
+ x_137 = lean_box(0);
+}
+if (lean_is_scalar(x_137)) {
+ x_138 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_138 = x_137;
+}
+lean_ctor_set(x_138, 0, x_135);
+lean_ctor_set(x_138, 1, x_136);
+return x_138;
+}
+}
+}
+else
+{
+uint8_t x_139; 
+lean_dec(x_4);
+x_139 = !lean_is_exclusive(x_9);
+if (x_139 == 0)
 {
 return x_9;
 }
 else
 {
-lean_object* x_71; lean_object* x_72; lean_object* x_73; 
-x_71 = lean_ctor_get(x_9, 0);
-x_72 = lean_ctor_get(x_9, 1);
-lean_inc(x_72);
-lean_inc(x_71);
+lean_object* x_140; lean_object* x_141; lean_object* x_142; 
+x_140 = lean_ctor_get(x_9, 0);
+x_141 = lean_ctor_get(x_9, 1);
+lean_inc(x_141);
+lean_inc(x_140);
 lean_dec(x_9);
-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;
+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* l___private_Lean_Elab_Match_25__elabPatterns___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___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_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3(x_1, x_2, x_3, x_4);
+lean_dec(x_1);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Elab_Match_30__elabPatterns___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_Match_25__elabPatterns(x_1, x_2, x_3, x_4, x_5);
+x_6 = l___private_Lean_Elab_Match_30__elabPatterns(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_1);
 return x_6;
 }
@@ -17877,181 +20654,637 @@ return x_8;
 lean_object* _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = lean_box(0);
-x_2 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_2, 0, x_1);
-lean_ctor_set(x_2, 1, x_1);
-return x_2;
+lean_object* x_1; 
+x_1 = lean_mk_string("rhs: ");
+return x_1;
 }
 }
 lean_object* _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+lean_object* x_1; lean_object* x_2; 
 x_1 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1;
-x_2 = l_Lean_Expr_Inhabited___closed__1;
-x_3 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_2);
-return x_3;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
 }
 }
 lean_object* l_Lean_Elab_Term_elabMatchAltView___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; uint8_t x_8; 
+lean_object* x_7; lean_object* x_8; 
 x_7 = lean_ctor_get(x_1, 1);
 lean_inc(x_7);
+lean_inc(x_5);
+x_8 = l___private_Lean_Elab_Match_30__elabPatterns(x_4, x_7, x_2, x_5, x_6);
+if (lean_obj_tag(x_8) == 0)
+{
+lean_object* x_9; lean_object* x_10; uint8_t 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 = !lean_is_exclusive(x_9);
+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; 
+x_12 = lean_ctor_get(x_9, 0);
+x_13 = lean_ctor_get(x_9, 1);
+x_14 = lean_ctor_get(x_1, 2);
+lean_inc(x_14);
 lean_dec(x_1);
-x_8 = !lean_is_exclusive(x_5);
-if (x_8 == 0)
+x_15 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_15, 0, x_13);
+x_16 = 1;
+lean_inc(x_5);
+x_17 = l_Lean_Elab_Term_elabTerm(x_14, x_15, x_16, x_5, x_10);
+if (lean_obj_tag(x_17) == 0)
 {
-lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_ctor_get(x_5, 9);
-x_10 = l_Lean_Elab_replaceRef(x_2, x_9);
-lean_dec(x_9);
-lean_ctor_set(x_5, 9, x_10);
-x_11 = l___private_Lean_Elab_Match_25__elabPatterns(x_4, x_7, x_3, x_5, x_6);
-if (lean_obj_tag(x_11) == 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; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
+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 = lean_ctor_get(x_12, 0);
+lean_inc(x_20);
+x_21 = l_List_redLength___main___rarg(x_20);
+x_22 = lean_mk_empty_array_with_capacity(x_21);
+lean_dec(x_21);
+x_23 = l_List_toArrayAux___main___rarg(x_20, x_22);
+x_24 = x_23;
+x_25 = lean_unsigned_to_nat(0u);
+x_26 = l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__1(x_25, x_24);
+x_27 = x_26;
+x_28 = l_Array_isEmpty___rarg(x_27);
+if (x_28 == 0)
 {
-uint8_t x_12; 
-x_12 = !lean_is_exclusive(x_11);
-if (x_12 == 0)
+lean_object* x_29; 
+lean_inc(x_5);
+x_29 = l_Lean_Elab_Term_mkLambda(x_27, x_18, x_5, x_19);
+if (lean_obj_tag(x_29) == 0)
 {
-lean_object* x_13; lean_object* x_14; 
-x_13 = lean_ctor_get(x_11, 0);
-lean_dec(x_13);
-x_14 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2;
-lean_ctor_set(x_11, 0, x_14);
-return x_11;
+lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
+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_30);
+lean_ctor_set(x_9, 1, x_30);
+x_32 = l_Lean_Elab_Term_getOptions(x_5, x_31);
+x_33 = !lean_is_exclusive(x_32);
+if (x_33 == 0)
+{
+lean_object* x_34; lean_object* x_35; uint8_t x_36; 
+x_34 = lean_ctor_get(x_32, 0);
+x_35 = lean_ctor_get(x_32, 1);
+lean_inc(x_3);
+x_36 = l_Lean_checkTraceOption(x_34, x_3);
+lean_dec(x_34);
+if (x_36 == 0)
+{
+lean_dec(x_30);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_ctor_set(x_32, 0, x_9);
+return x_32;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; lean_object* x_17; 
-x_15 = lean_ctor_get(x_11, 1);
-lean_inc(x_15);
-lean_dec(x_11);
-x_16 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2;
-x_17 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_17, 0, x_16);
-lean_ctor_set(x_17, 1, x_15);
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; uint8_t x_41; 
+lean_free_object(x_32);
+x_37 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_37, 0, x_30);
+x_38 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_39 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_39, 0, x_38);
+lean_ctor_set(x_39, 1, x_37);
+x_40 = l_Lean_Elab_Term_logTrace(x_3, x_39, x_5, x_35);
+lean_dec(x_5);
+x_41 = !lean_is_exclusive(x_40);
+if (x_41 == 0)
+{
+lean_object* x_42; 
+x_42 = lean_ctor_get(x_40, 0);
+lean_dec(x_42);
+lean_ctor_set(x_40, 0, x_9);
+return x_40;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; 
+x_43 = lean_ctor_get(x_40, 1);
+lean_inc(x_43);
+lean_dec(x_40);
+x_44 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_44, 0, x_9);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
+}
+}
+else
+{
+lean_object* x_45; lean_object* x_46; uint8_t 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);
+lean_inc(x_3);
+x_47 = l_Lean_checkTraceOption(x_45, x_3);
+lean_dec(x_45);
+if (x_47 == 0)
+{
+lean_object* x_48; 
+lean_dec(x_30);
+lean_dec(x_5);
+lean_dec(x_3);
+x_48 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_48, 0, x_9);
+lean_ctor_set(x_48, 1, x_46);
+return x_48;
+}
+else
+{
+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; 
+x_49 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_49, 0, x_30);
+x_50 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_51 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_51, 0, x_50);
+lean_ctor_set(x_51, 1, x_49);
+x_52 = l_Lean_Elab_Term_logTrace(x_3, x_51, x_5, x_46);
+lean_dec(x_5);
+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);
+}
+if (lean_is_scalar(x_54)) {
+ x_55 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_55 = x_54;
+}
+lean_ctor_set(x_55, 0, x_9);
+lean_ctor_set(x_55, 1, x_53);
+return x_55;
+}
+}
+}
+else
+{
+uint8_t x_56; 
+lean_free_object(x_9);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_3);
+x_56 = !lean_is_exclusive(x_29);
+if (x_56 == 0)
+{
+return x_29;
+}
+else
+{
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_29, 0);
+x_58 = lean_ctor_get(x_29, 1);
+lean_inc(x_58);
+lean_inc(x_57);
+lean_dec(x_29);
+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
+{
+lean_object* x_60; lean_object* x_61; uint8_t x_62; 
+lean_dec(x_27);
+x_60 = l_Lean_mkThunk(x_18);
+lean_inc(x_60);
+lean_ctor_set(x_9, 1, x_60);
+x_61 = l_Lean_Elab_Term_getOptions(x_5, x_19);
+x_62 = !lean_is_exclusive(x_61);
+if (x_62 == 0)
+{
+lean_object* x_63; lean_object* x_64; uint8_t x_65; 
+x_63 = lean_ctor_get(x_61, 0);
+x_64 = lean_ctor_get(x_61, 1);
+lean_inc(x_3);
+x_65 = l_Lean_checkTraceOption(x_63, x_3);
+lean_dec(x_63);
+if (x_65 == 0)
+{
+lean_dec(x_60);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_ctor_set(x_61, 0, x_9);
+return x_61;
+}
+else
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
+lean_free_object(x_61);
+x_66 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_66, 0, x_60);
+x_67 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_68 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_68, 0, x_67);
+lean_ctor_set(x_68, 1, x_66);
+x_69 = l_Lean_Elab_Term_logTrace(x_3, x_68, x_5, x_64);
+lean_dec(x_5);
+x_70 = !lean_is_exclusive(x_69);
+if (x_70 == 0)
+{
+lean_object* x_71; 
+x_71 = lean_ctor_get(x_69, 0);
+lean_dec(x_71);
+lean_ctor_set(x_69, 0, x_9);
+return x_69;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; 
+x_72 = lean_ctor_get(x_69, 1);
+lean_inc(x_72);
+lean_dec(x_69);
+x_73 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_73, 0, x_9);
+lean_ctor_set(x_73, 1, x_72);
+return x_73;
+}
+}
+}
+else
+{
+lean_object* x_74; lean_object* x_75; uint8_t x_76; 
+x_74 = lean_ctor_get(x_61, 0);
+x_75 = lean_ctor_get(x_61, 1);
+lean_inc(x_75);
+lean_inc(x_74);
+lean_dec(x_61);
+lean_inc(x_3);
+x_76 = l_Lean_checkTraceOption(x_74, x_3);
+lean_dec(x_74);
+if (x_76 == 0)
+{
+lean_object* x_77; 
+lean_dec(x_60);
+lean_dec(x_5);
+lean_dec(x_3);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_9);
+lean_ctor_set(x_77, 1, x_75);
+return x_77;
+}
+else
+{
+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; 
+x_78 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_78, 0, x_60);
+x_79 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_80 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_80, 0, x_79);
+lean_ctor_set(x_80, 1, x_78);
+x_81 = l_Lean_Elab_Term_logTrace(x_3, x_80, x_5, x_75);
+lean_dec(x_5);
+x_82 = lean_ctor_get(x_81, 1);
+lean_inc(x_82);
+if (lean_is_exclusive(x_81)) {
+ lean_ctor_release(x_81, 0);
+ lean_ctor_release(x_81, 1);
+ x_83 = x_81;
+} else {
+ lean_dec_ref(x_81);
+ x_83 = lean_box(0);
+}
+if (lean_is_scalar(x_83)) {
+ x_84 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_84 = x_83;
+}
+lean_ctor_set(x_84, 0, x_9);
+lean_ctor_set(x_84, 1, x_82);
+return x_84;
+}
+}
+}
+}
+else
+{
+uint8_t x_85; 
+lean_free_object(x_9);
+lean_dec(x_12);
+lean_dec(x_5);
+lean_dec(x_3);
+x_85 = !lean_is_exclusive(x_17);
+if (x_85 == 0)
+{
 return x_17;
 }
-}
 else
 {
-uint8_t x_18; 
-x_18 = !lean_is_exclusive(x_11);
-if (x_18 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_19; lean_object* x_20; lean_object* x_21; 
-x_19 = lean_ctor_get(x_11, 0);
-x_20 = lean_ctor_get(x_11, 1);
-lean_inc(x_20);
-lean_inc(x_19);
-lean_dec(x_11);
-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;
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_86 = lean_ctor_get(x_17, 0);
+x_87 = lean_ctor_get(x_17, 1);
+lean_inc(x_87);
+lean_inc(x_86);
+lean_dec(x_17);
+x_88 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_88, 0, x_86);
+lean_ctor_set(x_88, 1, x_87);
+return x_88;
 }
 }
 }
 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; uint8_t x_31; uint8_t x_32; uint8_t x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37; 
-x_22 = lean_ctor_get(x_5, 0);
-x_23 = lean_ctor_get(x_5, 1);
-x_24 = lean_ctor_get(x_5, 2);
-x_25 = lean_ctor_get(x_5, 3);
-x_26 = lean_ctor_get(x_5, 4);
-x_27 = lean_ctor_get(x_5, 5);
-x_28 = lean_ctor_get(x_5, 6);
-x_29 = lean_ctor_get(x_5, 7);
-x_30 = lean_ctor_get(x_5, 8);
-x_31 = lean_ctor_get_uint8(x_5, sizeof(void*)*10);
-x_32 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 1);
-x_33 = lean_ctor_get_uint8(x_5, sizeof(void*)*10 + 2);
-x_34 = lean_ctor_get(x_5, 9);
-lean_inc(x_34);
-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_inc(x_24);
-lean_inc(x_23);
-lean_inc(x_22);
+lean_object* x_89; lean_object* x_90; lean_object* x_91; lean_object* x_92; uint8_t x_93; lean_object* x_94; 
+x_89 = lean_ctor_get(x_9, 0);
+x_90 = lean_ctor_get(x_9, 1);
+lean_inc(x_90);
+lean_inc(x_89);
+lean_dec(x_9);
+x_91 = lean_ctor_get(x_1, 2);
+lean_inc(x_91);
+lean_dec(x_1);
+x_92 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_92, 0, x_90);
+x_93 = 1;
+lean_inc(x_5);
+x_94 = l_Lean_Elab_Term_elabTerm(x_91, x_92, x_93, x_5, x_10);
+if (lean_obj_tag(x_94) == 0)
+{
+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; uint8_t x_105; 
+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_ctor_get(x_89, 0);
+lean_inc(x_97);
+x_98 = l_List_redLength___main___rarg(x_97);
+x_99 = lean_mk_empty_array_with_capacity(x_98);
+lean_dec(x_98);
+x_100 = l_List_toArrayAux___main___rarg(x_97, x_99);
+x_101 = x_100;
+x_102 = lean_unsigned_to_nat(0u);
+x_103 = l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__1(x_102, x_101);
+x_104 = x_103;
+x_105 = l_Array_isEmpty___rarg(x_104);
+if (x_105 == 0)
+{
+lean_object* x_106; 
+lean_inc(x_5);
+x_106 = l_Lean_Elab_Term_mkLambda(x_104, x_95, x_5, x_96);
+if (lean_obj_tag(x_106) == 0)
+{
+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; uint8_t x_114; 
+x_107 = lean_ctor_get(x_106, 0);
+lean_inc(x_107);
+x_108 = lean_ctor_get(x_106, 1);
+lean_inc(x_108);
+lean_dec(x_106);
+lean_inc(x_107);
+x_109 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_109, 0, x_89);
+lean_ctor_set(x_109, 1, x_107);
+x_110 = l_Lean_Elab_Term_getOptions(x_5, x_108);
+x_111 = lean_ctor_get(x_110, 0);
+lean_inc(x_111);
+x_112 = lean_ctor_get(x_110, 1);
+lean_inc(x_112);
+if (lean_is_exclusive(x_110)) {
+ lean_ctor_release(x_110, 0);
+ lean_ctor_release(x_110, 1);
+ x_113 = x_110;
+} else {
+ lean_dec_ref(x_110);
+ x_113 = lean_box(0);
+}
+lean_inc(x_3);
+x_114 = l_Lean_checkTraceOption(x_111, x_3);
+lean_dec(x_111);
+if (x_114 == 0)
+{
+lean_object* x_115; 
+lean_dec(x_107);
 lean_dec(x_5);
-x_35 = l_Lean_Elab_replaceRef(x_2, x_34);
-lean_dec(x_34);
-x_36 = lean_alloc_ctor(0, 10, 3);
-lean_ctor_set(x_36, 0, x_22);
-lean_ctor_set(x_36, 1, x_23);
-lean_ctor_set(x_36, 2, x_24);
-lean_ctor_set(x_36, 3, x_25);
-lean_ctor_set(x_36, 4, x_26);
-lean_ctor_set(x_36, 5, x_27);
-lean_ctor_set(x_36, 6, x_28);
-lean_ctor_set(x_36, 7, x_29);
-lean_ctor_set(x_36, 8, x_30);
-lean_ctor_set(x_36, 9, x_35);
-lean_ctor_set_uint8(x_36, sizeof(void*)*10, x_31);
-lean_ctor_set_uint8(x_36, sizeof(void*)*10 + 1, x_32);
-lean_ctor_set_uint8(x_36, sizeof(void*)*10 + 2, x_33);
-x_37 = l___private_Lean_Elab_Match_25__elabPatterns(x_4, x_7, x_3, x_36, x_6);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_38 = lean_ctor_get(x_37, 1);
-lean_inc(x_38);
-if (lean_is_exclusive(x_37)) {
- lean_ctor_release(x_37, 0);
- lean_ctor_release(x_37, 1);
- x_39 = x_37;
+lean_dec(x_3);
+if (lean_is_scalar(x_113)) {
+ x_115 = lean_alloc_ctor(0, 2, 0);
 } else {
- lean_dec_ref(x_37);
- x_39 = lean_box(0);
+ x_115 = x_113;
 }
-x_40 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2;
-if (lean_is_scalar(x_39)) {
- x_41 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_41 = x_39;
-}
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_38);
-return x_41;
+lean_ctor_set(x_115, 0, x_109);
+lean_ctor_set(x_115, 1, x_112);
+return x_115;
 }
 else
 {
-lean_object* x_42; lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_42 = lean_ctor_get(x_37, 0);
-lean_inc(x_42);
-x_43 = lean_ctor_get(x_37, 1);
-lean_inc(x_43);
-if (lean_is_exclusive(x_37)) {
- lean_ctor_release(x_37, 0);
- lean_ctor_release(x_37, 1);
- x_44 = x_37;
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; 
+lean_dec(x_113);
+x_116 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_116, 0, x_107);
+x_117 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_118 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_118, 0, x_117);
+lean_ctor_set(x_118, 1, x_116);
+x_119 = l_Lean_Elab_Term_logTrace(x_3, x_118, x_5, x_112);
+lean_dec(x_5);
+x_120 = lean_ctor_get(x_119, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_119)) {
+ lean_ctor_release(x_119, 0);
+ lean_ctor_release(x_119, 1);
+ x_121 = x_119;
 } else {
- lean_dec_ref(x_37);
- x_44 = lean_box(0);
+ lean_dec_ref(x_119);
+ x_121 = lean_box(0);
 }
-if (lean_is_scalar(x_44)) {
- x_45 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_121)) {
+ x_122 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_45 = x_44;
+ x_122 = x_121;
 }
-lean_ctor_set(x_45, 0, x_42);
-lean_ctor_set(x_45, 1, x_43);
-return x_45;
+lean_ctor_set(x_122, 0, x_109);
+lean_ctor_set(x_122, 1, x_120);
+return x_122;
+}
+}
+else
+{
+lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
+lean_dec(x_89);
+lean_dec(x_5);
+lean_dec(x_3);
+x_123 = lean_ctor_get(x_106, 0);
+lean_inc(x_123);
+x_124 = lean_ctor_get(x_106, 1);
+lean_inc(x_124);
+if (lean_is_exclusive(x_106)) {
+ lean_ctor_release(x_106, 0);
+ lean_ctor_release(x_106, 1);
+ x_125 = x_106;
+} else {
+ lean_dec_ref(x_106);
+ x_125 = lean_box(0);
+}
+if (lean_is_scalar(x_125)) {
+ x_126 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_126 = x_125;
+}
+lean_ctor_set(x_126, 0, x_123);
+lean_ctor_set(x_126, 1, x_124);
+return x_126;
+}
+}
+else
+{
+lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132; uint8_t x_133; 
+lean_dec(x_104);
+x_127 = l_Lean_mkThunk(x_95);
+lean_inc(x_127);
+x_128 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_128, 0, x_89);
+lean_ctor_set(x_128, 1, x_127);
+x_129 = l_Lean_Elab_Term_getOptions(x_5, x_96);
+x_130 = lean_ctor_get(x_129, 0);
+lean_inc(x_130);
+x_131 = lean_ctor_get(x_129, 1);
+lean_inc(x_131);
+if (lean_is_exclusive(x_129)) {
+ lean_ctor_release(x_129, 0);
+ lean_ctor_release(x_129, 1);
+ x_132 = x_129;
+} else {
+ lean_dec_ref(x_129);
+ x_132 = lean_box(0);
+}
+lean_inc(x_3);
+x_133 = l_Lean_checkTraceOption(x_130, x_3);
+lean_dec(x_130);
+if (x_133 == 0)
+{
+lean_object* x_134; 
+lean_dec(x_127);
+lean_dec(x_5);
+lean_dec(x_3);
+if (lean_is_scalar(x_132)) {
+ x_134 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_134 = x_132;
+}
+lean_ctor_set(x_134, 0, x_128);
+lean_ctor_set(x_134, 1, x_131);
+return x_134;
+}
+else
+{
+lean_object* x_135; 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_dec(x_132);
+x_135 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_135, 0, x_127);
+x_136 = l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3;
+x_137 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_137, 0, x_136);
+lean_ctor_set(x_137, 1, x_135);
+x_138 = l_Lean_Elab_Term_logTrace(x_3, x_137, x_5, x_131);
+lean_dec(x_5);
+x_139 = lean_ctor_get(x_138, 1);
+lean_inc(x_139);
+if (lean_is_exclusive(x_138)) {
+ lean_ctor_release(x_138, 0);
+ lean_ctor_release(x_138, 1);
+ x_140 = x_138;
+} else {
+ lean_dec_ref(x_138);
+ x_140 = lean_box(0);
+}
+if (lean_is_scalar(x_140)) {
+ x_141 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_141 = x_140;
+}
+lean_ctor_set(x_141, 0, x_128);
+lean_ctor_set(x_141, 1, x_139);
+return x_141;
+}
+}
+}
+else
+{
+lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145; 
+lean_dec(x_89);
+lean_dec(x_5);
+lean_dec(x_3);
+x_142 = lean_ctor_get(x_94, 0);
+lean_inc(x_142);
+x_143 = lean_ctor_get(x_94, 1);
+lean_inc(x_143);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_144 = x_94;
+} else {
+ lean_dec_ref(x_94);
+ x_144 = lean_box(0);
+}
+if (lean_is_scalar(x_144)) {
+ x_145 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_145 = x_144;
+}
+lean_ctor_set(x_145, 0, x_142);
+lean_ctor_set(x_145, 1, x_143);
+return x_145;
+}
+}
+}
+else
+{
+uint8_t x_146; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_146 = !lean_is_exclusive(x_8);
+if (x_146 == 0)
+{
+return x_8;
+}
+else
+{
+lean_object* x_147; lean_object* x_148; lean_object* x_149; 
+x_147 = lean_ctor_get(x_8, 0);
+x_148 = lean_ctor_get(x_8, 1);
+lean_inc(x_148);
+lean_inc(x_147);
+lean_dec(x_8);
+x_149 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_149, 0, x_147);
+lean_ctor_set(x_149, 1, x_148);
+return x_149;
 }
 }
 }
@@ -18087,132 +21320,228 @@ return x_2;
 lean_object* l_Lean_Elab_Term_elabMatchAltView(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_5; 
-lean_inc(x_3);
-x_5 = l___private_Lean_Elab_Match_21__collectPatternVars(x_1, x_3, x_4);
-if (lean_obj_tag(x_5) == 0)
+lean_object* x_5; uint8_t x_6; 
+x_5 = lean_ctor_get(x_1, 0);
+lean_inc(x_5);
+x_6 = !lean_is_exclusive(x_3);
+if (x_6 == 0)
 {
-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; lean_object* x_19; lean_object* x_20; uint8_t x_21; uint8_t 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; lean_object* x_30; uint8_t x_31; 
-x_6 = lean_ctor_get(x_5, 0);
-lean_inc(x_6);
-x_7 = lean_ctor_get(x_5, 1);
-lean_inc(x_7);
+lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_7 = lean_ctor_get(x_3, 9);
+x_8 = l_Lean_Elab_replaceRef(x_5, x_7);
+lean_dec(x_7);
 lean_dec(x_5);
-x_8 = lean_ctor_get(x_6, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_6, 1);
-lean_inc(x_9);
-lean_dec(x_6);
+lean_ctor_set(x_3, 9, x_8);
+lean_inc(x_3);
+x_9 = l___private_Lean_Elab_Match_21__collectPatternVars(x_1, x_3, x_4);
+if (lean_obj_tag(x_9) == 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; lean_object* x_16; lean_object* x_17; lean_object* x_18; uint8_t x_19; 
 x_10 = lean_ctor_get(x_9, 0);
 lean_inc(x_10);
-lean_inc(x_10);
-x_11 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabMatchAltView___lambda__1___boxed), 6, 3);
-lean_closure_set(x_11, 0, x_9);
-lean_closure_set(x_11, 1, x_10);
-lean_closure_set(x_11, 2, x_2);
-x_12 = lean_ctor_get(x_3, 0);
+x_11 = lean_ctor_get(x_9, 1);
+lean_inc(x_11);
+lean_dec(x_9);
+x_12 = lean_ctor_get(x_10, 0);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_3, 1);
+x_13 = lean_ctor_get(x_10, 1);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_3, 2);
-lean_inc(x_14);
-x_15 = lean_ctor_get(x_3, 3);
-lean_inc(x_15);
-x_16 = lean_ctor_get(x_3, 4);
-lean_inc(x_16);
-x_17 = lean_ctor_get(x_3, 5);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_3, 6);
-lean_inc(x_18);
-x_19 = lean_ctor_get(x_3, 7);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_3, 8);
-lean_inc(x_20);
-x_21 = lean_ctor_get_uint8(x_3, sizeof(void*)*10);
-x_22 = lean_ctor_get_uint8(x_3, sizeof(void*)*10 + 1);
-x_23 = lean_ctor_get_uint8(x_3, sizeof(void*)*10 + 2);
-x_24 = lean_ctor_get(x_3, 9);
-lean_inc(x_24);
-x_25 = l_Lean_Elab_replaceRef(x_10, x_24);
-lean_dec(x_24);
 lean_dec(x_10);
-x_26 = lean_alloc_ctor(0, 10, 3);
-lean_ctor_set(x_26, 0, x_12);
-lean_ctor_set(x_26, 1, x_13);
-lean_ctor_set(x_26, 2, x_14);
-lean_ctor_set(x_26, 3, x_15);
-lean_ctor_set(x_26, 4, x_16);
-lean_ctor_set(x_26, 5, x_17);
-lean_ctor_set(x_26, 6, x_18);
-lean_ctor_set(x_26, 7, x_19);
-lean_ctor_set(x_26, 8, x_20);
-lean_ctor_set(x_26, 9, x_25);
-lean_ctor_set_uint8(x_26, sizeof(void*)*10, x_21);
-lean_ctor_set_uint8(x_26, sizeof(void*)*10 + 1, x_22);
-lean_ctor_set_uint8(x_26, sizeof(void*)*10 + 2, x_23);
-x_27 = l_Lean_Elab_Term_getOptions(x_26, x_7);
-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_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
-x_31 = l_Lean_checkTraceOption(x_28, x_30);
-lean_dec(x_28);
-if (x_31 == 0)
+x_14 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_15 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabMatchAltView___lambda__1___boxed), 6, 3);
+lean_closure_set(x_15, 0, x_13);
+lean_closure_set(x_15, 1, x_2);
+lean_closure_set(x_15, 2, x_14);
+x_16 = l_Lean_Elab_Term_getOptions(x_3, x_11);
+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_checkTraceOption(x_17, x_14);
+lean_dec(x_17);
+if (x_19 == 0)
 {
-lean_object* x_32; 
-lean_dec(x_26);
-x_32 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_8, x_11, x_3, x_29);
-return x_32;
+lean_object* x_20; 
+x_20 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_12, x_15, x_3, x_18);
+return x_20;
 }
 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; 
-x_33 = l_Array_toList___rarg(x_8);
-x_34 = l_List_toString___at_Lean_Elab_Term_elabMatchAltView___spec__1(x_33);
-x_35 = l_Array_HasRepr___rarg___closed__1;
-x_36 = lean_string_append(x_35, x_34);
-lean_dec(x_34);
-x_37 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_37, 0, x_36);
-x_38 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_38, 0, x_37);
-x_39 = l_Lean_Elab_Term_elabMatchAltView___closed__3;
-x_40 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_40, 0, x_39);
-lean_ctor_set(x_40, 1, x_38);
-x_41 = l_Lean_Elab_Term_logTrace(x_30, x_40, x_26, x_29);
-lean_dec(x_26);
-x_42 = lean_ctor_get(x_41, 1);
-lean_inc(x_42);
-lean_dec(x_41);
-x_43 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_8, x_11, x_3, x_42);
-return x_43;
+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; 
+x_21 = l_Array_toList___rarg(x_12);
+x_22 = l_List_toString___at_Lean_Elab_Term_elabMatchAltView___spec__1(x_21);
+x_23 = l_Array_HasRepr___rarg___closed__1;
+x_24 = lean_string_append(x_23, x_22);
+lean_dec(x_22);
+x_25 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_25, 0, x_24);
+x_26 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_26, 0, x_25);
+x_27 = l_Lean_Elab_Term_elabMatchAltView___closed__3;
+x_28 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_28, 0, x_27);
+lean_ctor_set(x_28, 1, x_26);
+x_29 = l_Lean_Elab_Term_logTrace(x_14, x_28, x_3, x_18);
+x_30 = lean_ctor_get(x_29, 1);
+lean_inc(x_30);
+lean_dec(x_29);
+x_31 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_12, x_15, x_3, x_30);
+return x_31;
 }
 }
 else
 {
-uint8_t x_44; 
+uint8_t x_32; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_44 = !lean_is_exclusive(x_5);
-if (x_44 == 0)
+x_32 = !lean_is_exclusive(x_9);
+if (x_32 == 0)
 {
-return x_5;
+return x_9;
 }
 else
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; 
-x_45 = lean_ctor_get(x_5, 0);
-x_46 = lean_ctor_get(x_5, 1);
-lean_inc(x_46);
-lean_inc(x_45);
+lean_object* x_33; lean_object* x_34; lean_object* x_35; 
+x_33 = lean_ctor_get(x_9, 0);
+x_34 = lean_ctor_get(x_9, 1);
+lean_inc(x_34);
+lean_inc(x_33);
+lean_dec(x_9);
+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;
+}
+}
+}
+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; uint8_t x_45; uint8_t x_46; uint8_t x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean_object* x_51; 
+x_36 = lean_ctor_get(x_3, 0);
+x_37 = lean_ctor_get(x_3, 1);
+x_38 = lean_ctor_get(x_3, 2);
+x_39 = lean_ctor_get(x_3, 3);
+x_40 = lean_ctor_get(x_3, 4);
+x_41 = lean_ctor_get(x_3, 5);
+x_42 = lean_ctor_get(x_3, 6);
+x_43 = lean_ctor_get(x_3, 7);
+x_44 = lean_ctor_get(x_3, 8);
+x_45 = lean_ctor_get_uint8(x_3, sizeof(void*)*10);
+x_46 = lean_ctor_get_uint8(x_3, sizeof(void*)*10 + 1);
+x_47 = lean_ctor_get_uint8(x_3, sizeof(void*)*10 + 2);
+x_48 = lean_ctor_get(x_3, 9);
+lean_inc(x_48);
+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_inc(x_36);
+lean_dec(x_3);
+x_49 = l_Lean_Elab_replaceRef(x_5, x_48);
+lean_dec(x_48);
 lean_dec(x_5);
-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;
+x_50 = lean_alloc_ctor(0, 10, 3);
+lean_ctor_set(x_50, 0, x_36);
+lean_ctor_set(x_50, 1, x_37);
+lean_ctor_set(x_50, 2, x_38);
+lean_ctor_set(x_50, 3, x_39);
+lean_ctor_set(x_50, 4, x_40);
+lean_ctor_set(x_50, 5, x_41);
+lean_ctor_set(x_50, 6, x_42);
+lean_ctor_set(x_50, 7, x_43);
+lean_ctor_set(x_50, 8, x_44);
+lean_ctor_set(x_50, 9, x_49);
+lean_ctor_set_uint8(x_50, sizeof(void*)*10, x_45);
+lean_ctor_set_uint8(x_50, sizeof(void*)*10 + 1, x_46);
+lean_ctor_set_uint8(x_50, sizeof(void*)*10 + 2, x_47);
+lean_inc(x_50);
+x_51 = l___private_Lean_Elab_Match_21__collectPatternVars(x_1, x_50, x_4);
+if (lean_obj_tag(x_51) == 0)
+{
+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; uint8_t x_61; 
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 1);
+lean_inc(x_53);
+lean_dec(x_51);
+x_54 = lean_ctor_get(x_52, 0);
+lean_inc(x_54);
+x_55 = lean_ctor_get(x_52, 1);
+lean_inc(x_55);
+lean_dec(x_52);
+x_56 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_57 = lean_alloc_closure((void*)(l_Lean_Elab_Term_elabMatchAltView___lambda__1___boxed), 6, 3);
+lean_closure_set(x_57, 0, x_55);
+lean_closure_set(x_57, 1, x_2);
+lean_closure_set(x_57, 2, x_56);
+x_58 = l_Lean_Elab_Term_getOptions(x_50, x_53);
+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_Lean_checkTraceOption(x_59, x_56);
+lean_dec(x_59);
+if (x_61 == 0)
+{
+lean_object* x_62; 
+x_62 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_54, x_57, x_50, 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; 
+x_63 = l_Array_toList___rarg(x_54);
+x_64 = l_List_toString___at_Lean_Elab_Term_elabMatchAltView___spec__1(x_63);
+x_65 = l_Array_HasRepr___rarg___closed__1;
+x_66 = lean_string_append(x_65, x_64);
+lean_dec(x_64);
+x_67 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_67, 0, x_66);
+x_68 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_68, 0, x_67);
+x_69 = l_Lean_Elab_Term_elabMatchAltView___closed__3;
+x_70 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_70, 0, x_69);
+lean_ctor_set(x_70, 1, x_68);
+x_71 = l_Lean_Elab_Term_logTrace(x_56, x_70, x_50, x_60);
+x_72 = lean_ctor_get(x_71, 1);
+lean_inc(x_72);
+lean_dec(x_71);
+x_73 = l___private_Lean_Elab_Match_23__withPatternVars___rarg(x_54, x_57, x_50, x_72);
+return x_73;
+}
+}
+else
+{
+lean_object* x_74; lean_object* x_75; lean_object* x_76; lean_object* x_77; 
+lean_dec(x_50);
+lean_dec(x_2);
+x_74 = lean_ctor_get(x_51, 0);
+lean_inc(x_74);
+x_75 = lean_ctor_get(x_51, 1);
+lean_inc(x_75);
+if (lean_is_exclusive(x_51)) {
+ lean_ctor_release(x_51, 0);
+ lean_ctor_release(x_51, 1);
+ x_76 = x_51;
+} else {
+ lean_dec_ref(x_51);
+ x_76 = lean_box(0);
+}
+if (lean_is_scalar(x_76)) {
+ x_77 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_77 = x_76;
+}
+lean_ctor_set(x_77, 0, x_74);
+lean_ctor_set(x_77, 1, x_75);
+return x_77;
 }
 }
 }
@@ -18233,11 +21562,391 @@ _start:
 lean_object* x_7; 
 x_7 = l_Lean_Elab_Term_elabMatchAltView___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_4);
-lean_dec(x_2);
 return x_7;
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_Elab_Term_mkMotiveType___lambda__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; 
+lean_inc(x_3);
+x_5 = l_Lean_Meta_getLevel(x_2, x_3, x_4);
+if (lean_obj_tag(x_5) == 0)
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+x_6 = lean_ctor_get(x_5, 0);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_5, 1);
+lean_inc(x_7);
+lean_dec(x_5);
+x_8 = l_Lean_mkSort(x_6);
+x_9 = l_Lean_Meta_mkForall(x_1, x_8, x_3, x_7);
+return x_9;
+}
+else
+{
+uint8_t x_10; 
+lean_dec(x_3);
+lean_dec(x_1);
+x_10 = !lean_is_exclusive(x_5);
+if (x_10 == 0)
+{
+return x_5;
+}
+else
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = lean_ctor_get(x_5, 0);
+x_12 = lean_ctor_get(x_5, 1);
+lean_inc(x_12);
+lean_inc(x_11);
+lean_dec(x_5);
+x_13 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_13, 0, x_11);
+lean_ctor_set(x_13, 1, x_12);
+return x_13;
+}
+}
+}
+}
+lean_object* _init_l_Lean_Elab_Term_mkMotiveType___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_alloc_closure((void*)(l_Lean_Elab_Term_mkMotiveType___lambda__1), 4, 0);
+return x_1;
+}
+}
+lean_object* l_Lean_Elab_Term_mkMotiveType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+lean_object* x_5; uint8_t x_6; 
+x_5 = lean_ctor_get(x_4, 0);
+lean_inc(x_5);
+x_6 = !lean_is_exclusive(x_5);
+if (x_6 == 0)
+{
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_7 = lean_ctor_get(x_5, 4);
+x_8 = lean_ctor_get(x_3, 0);
+lean_inc(x_8);
+x_9 = l_Lean_TraceState_Inhabited___closed__1;
+lean_ctor_set(x_5, 4, x_9);
+x_10 = l_Lean_Elab_Term_mkMotiveType___closed__1;
+x_11 = l_Lean_Meta_forallTelescopeReducing___rarg(x_1, x_10, x_8, x_5);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+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, 1);
+x_14 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_13, x_7);
+lean_ctor_set(x_11, 1, 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_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_11);
+x_17 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_16, x_7);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_15);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_11);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_20 = lean_ctor_get(x_11, 0);
+x_21 = lean_ctor_get(x_11, 1);
+lean_inc(x_3);
+x_22 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_20);
+x_23 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_21, x_7);
+lean_ctor_set(x_11, 1, x_23);
+lean_ctor_set(x_11, 0, x_22);
+return x_11;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_24 = lean_ctor_get(x_11, 0);
+x_25 = lean_ctor_get(x_11, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_11);
+lean_inc(x_3);
+x_26 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_24);
+x_27 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_25, x_7);
+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;
+}
+}
+}
+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; 
+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);
+x_33 = lean_ctor_get(x_5, 4);
+x_34 = lean_ctor_get(x_5, 5);
+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_dec(x_5);
+x_35 = lean_ctor_get(x_3, 0);
+lean_inc(x_35);
+x_36 = l_Lean_TraceState_Inhabited___closed__1;
+x_37 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_37, 0, x_29);
+lean_ctor_set(x_37, 1, x_30);
+lean_ctor_set(x_37, 2, x_31);
+lean_ctor_set(x_37, 3, x_32);
+lean_ctor_set(x_37, 4, x_36);
+lean_ctor_set(x_37, 5, x_34);
+x_38 = l_Lean_Elab_Term_mkMotiveType___closed__1;
+x_39 = l_Lean_Meta_forallTelescopeReducing___rarg(x_1, x_38, x_35, x_37);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_40 = lean_ctor_get(x_39, 0);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_39, 1);
+lean_inc(x_41);
+if (lean_is_exclusive(x_39)) {
+ lean_ctor_release(x_39, 0);
+ lean_ctor_release(x_39, 1);
+ x_42 = x_39;
+} else {
+ lean_dec_ref(x_39);
+ x_42 = lean_box(0);
+}
+x_43 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_41, x_33);
+if (lean_is_scalar(x_42)) {
+ x_44 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_44 = x_42;
+}
+lean_ctor_set(x_44, 0, x_40);
+lean_ctor_set(x_44, 1, x_43);
+return x_44;
+}
+else
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_45 = lean_ctor_get(x_39, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_39, 1);
+lean_inc(x_46);
+if (lean_is_exclusive(x_39)) {
+ lean_ctor_release(x_39, 0);
+ lean_ctor_release(x_39, 1);
+ x_47 = x_39;
+} else {
+ lean_dec_ref(x_39);
+ x_47 = lean_box(0);
+}
+lean_inc(x_3);
+x_48 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_45);
+x_49 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_4, x_46, x_33);
+if (lean_is_scalar(x_47)) {
+ x_50 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_50 = x_47;
+}
+lean_ctor_set(x_50, 0, x_48);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+}
+}
+lean_object* l_Lean_Elab_Term_mkMotiveType___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_Elab_Term_mkMotiveType(x_1, x_2, x_3, x_4);
+lean_dec(x_2);
+return x_5;
+}
+}
+lean_object* l_Lean_Elab_Term_mkElim(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; uint8_t x_7; 
+x_6 = lean_ctor_get(x_5, 0);
+lean_inc(x_6);
+x_7 = !lean_is_exclusive(x_6);
+if (x_7 == 0)
+{
+lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_8 = lean_ctor_get(x_6, 4);
+x_9 = lean_ctor_get(x_4, 0);
+lean_inc(x_9);
+x_10 = l_Lean_TraceState_Inhabited___closed__1;
+lean_ctor_set(x_6, 4, x_10);
+x_11 = l_Lean_Meta_DepElim_mkElim(x_1, x_2, x_3, x_9, x_6);
+if (lean_obj_tag(x_11) == 0)
+{
+uint8_t x_12; 
+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, 1);
+x_14 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_13, x_8);
+lean_ctor_set(x_11, 1, 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_inc(x_16);
+lean_inc(x_15);
+lean_dec(x_11);
+x_17 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_16, x_8);
+x_18 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_18, 0, x_15);
+lean_ctor_set(x_18, 1, x_17);
+return x_18;
+}
+}
+else
+{
+uint8_t x_19; 
+x_19 = !lean_is_exclusive(x_11);
+if (x_19 == 0)
+{
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_20 = lean_ctor_get(x_11, 0);
+x_21 = lean_ctor_get(x_11, 1);
+lean_inc(x_4);
+x_22 = l___private_Lean_Elab_Term_2__fromMetaException(x_4, x_20);
+x_23 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_21, x_8);
+lean_ctor_set(x_11, 1, x_23);
+lean_ctor_set(x_11, 0, x_22);
+return x_11;
+}
+else
+{
+lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_24 = lean_ctor_get(x_11, 0);
+x_25 = lean_ctor_get(x_11, 1);
+lean_inc(x_25);
+lean_inc(x_24);
+lean_dec(x_11);
+lean_inc(x_4);
+x_26 = l___private_Lean_Elab_Term_2__fromMetaException(x_4, x_24);
+x_27 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_25, x_8);
+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;
+}
+}
+}
+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; 
+x_29 = lean_ctor_get(x_6, 0);
+x_30 = lean_ctor_get(x_6, 1);
+x_31 = lean_ctor_get(x_6, 2);
+x_32 = lean_ctor_get(x_6, 3);
+x_33 = lean_ctor_get(x_6, 4);
+x_34 = lean_ctor_get(x_6, 5);
+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_dec(x_6);
+x_35 = lean_ctor_get(x_4, 0);
+lean_inc(x_35);
+x_36 = l_Lean_TraceState_Inhabited___closed__1;
+x_37 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_37, 0, x_29);
+lean_ctor_set(x_37, 1, x_30);
+lean_ctor_set(x_37, 2, x_31);
+lean_ctor_set(x_37, 3, x_32);
+lean_ctor_set(x_37, 4, x_36);
+lean_ctor_set(x_37, 5, x_34);
+x_38 = l_Lean_Meta_DepElim_mkElim(x_1, x_2, x_3, x_35, x_37);
+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 = lean_ctor_get(x_38, 0);
+lean_inc(x_39);
+x_40 = lean_ctor_get(x_38, 1);
+lean_inc(x_40);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_41 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_41 = lean_box(0);
+}
+x_42 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_40, x_33);
+if (lean_is_scalar(x_41)) {
+ x_43 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_43 = x_41;
+}
+lean_ctor_set(x_43, 0, x_39);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
+}
+else
+{
+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_44 = lean_ctor_get(x_38, 0);
+lean_inc(x_44);
+x_45 = lean_ctor_get(x_38, 1);
+lean_inc(x_45);
+if (lean_is_exclusive(x_38)) {
+ lean_ctor_release(x_38, 0);
+ lean_ctor_release(x_38, 1);
+ x_46 = x_38;
+} else {
+ lean_dec_ref(x_38);
+ x_46 = lean_box(0);
+}
+lean_inc(x_4);
+x_47 = l___private_Lean_Elab_Term_2__fromMetaException(x_4, x_44);
+x_48 = l___private_Lean_Elab_Term_3__fromMetaState(x_4, x_5, x_45, x_33);
+if (lean_is_scalar(x_46)) {
+ x_49 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_49 = x_46;
+}
+lean_ctor_set(x_49, 0, x_47);
+lean_ctor_set(x_49, 1, x_48);
+return x_49;
+}
+}
+}
+}
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
@@ -18271,7 +21980,7 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__2(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; uint8_t x_7; 
@@ -18347,7 +22056,7 @@ return x_25;
 }
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__3(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__3(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
@@ -18363,7 +22072,7 @@ return x_5;
 }
 else
 {
-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; 
+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; 
 x_6 = lean_array_fget(x_2, x_1);
 x_7 = lean_unsigned_to_nat(0u);
 x_8 = lean_array_fset(x_2, x_1, x_7);
@@ -18371,136 +22080,171 @@ x_9 = x_6;
 x_10 = lean_ctor_get(x_9, 1);
 lean_inc(x_10);
 lean_dec(x_9);
-x_11 = l_Array_toList___rarg(x_10);
-lean_dec(x_10);
-x_12 = l_List_toString___at___private_Lean_Elab_Match_6__elabDiscrsAux___main___spec__1(x_11);
-x_13 = l_Array_HasRepr___rarg___closed__1;
-x_14 = lean_string_append(x_13, x_12);
-lean_dec(x_12);
-x_15 = lean_unsigned_to_nat(1u);
-x_16 = lean_nat_add(x_1, x_15);
-x_17 = x_14;
-x_18 = lean_array_fset(x_8, x_1, x_17);
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_1, x_11);
+x_13 = x_10;
+x_14 = lean_array_fset(x_8, x_1, x_13);
 lean_dec(x_1);
-x_1 = x_16;
-x_2 = x_18;
+x_1 = x_12;
+x_2 = x_14;
 goto _start;
 }
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__1() {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__4(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; uint8_t x_4; 
+x_3 = lean_array_get_size(x_2);
+x_4 = lean_nat_dec_lt(x_1, x_3);
+lean_dec(x_3);
+if (x_4 == 0)
+{
+lean_object* x_5; 
+lean_dec(x_1);
+x_5 = x_2;
+return x_5;
+}
+else
+{
+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; 
+x_6 = lean_array_fget(x_2, x_1);
+x_7 = lean_unsigned_to_nat(0u);
+x_8 = lean_array_fset(x_2, x_1, x_7);
+x_9 = x_6;
+x_10 = lean_ctor_get(x_9, 0);
+lean_inc(x_10);
+lean_dec(x_9);
+x_11 = lean_unsigned_to_nat(1u);
+x_12 = lean_nat_add(x_1, x_11);
+x_13 = x_10;
+x_14 = lean_array_fset(x_8, x_1, x_13);
+lean_dec(x_1);
+x_1 = x_12;
+x_2 = x_14;
+goto _start;
+}
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("WIP type: ");
+x_1 = lean_alloc_closure((void*)(l_Lean_Meta_mkLambda), 4, 0);
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__2() {
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("elim");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__2;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("result: ");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_26__elabMatchCore___closed__1;
+x_1 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__4;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__3() {
+lean_object* _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_26__elabMatchCore___closed__2;
+x_1 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__5;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__4() {
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_1; lean_object* x_2; 
-x_1 = l_IO_FS_Handle_putStrLn___rarg___closed__1;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_26__elabMatchCore___closed__4;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* l___private_Lean_Elab_Match_26__elabMatchCore(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_69; 
-x_69 = l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(x_2, x_3, x_4);
-if (lean_obj_tag(x_69) == 0)
+lean_object* x_5; lean_object* x_6; lean_object* x_183; 
+x_183 = l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(x_2, x_3, x_4);
+if (lean_obj_tag(x_183) == 0)
 {
 if (lean_obj_tag(x_2) == 0)
 {
-lean_object* x_70; uint8_t x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_70 = lean_ctor_get(x_69, 1);
-lean_inc(x_70);
-lean_dec(x_69);
-x_71 = 0;
-x_72 = lean_box(0);
+lean_object* x_184; uint8_t x_185; lean_object* x_186; lean_object* x_187; lean_object* x_188; lean_object* x_189; 
+x_184 = lean_ctor_get(x_183, 1);
+lean_inc(x_184);
+lean_dec(x_183);
+x_185 = 0;
+x_186 = lean_box(0);
 lean_inc(x_3);
-x_73 = l_Lean_Elab_Term_mkFreshTypeMVar(x_71, x_72, x_3, x_70);
-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_5 = x_74;
-x_6 = x_75;
-goto block_68;
+x_187 = l_Lean_Elab_Term_mkFreshTypeMVar(x_185, x_186, x_3, x_184);
+x_188 = lean_ctor_get(x_187, 0);
+lean_inc(x_188);
+x_189 = lean_ctor_get(x_187, 1);
+lean_inc(x_189);
+lean_dec(x_187);
+x_5 = x_188;
+x_6 = x_189;
+goto block_182;
 }
 else
 {
-lean_object* x_76; lean_object* x_77; 
-x_76 = lean_ctor_get(x_69, 1);
-lean_inc(x_76);
-lean_dec(x_69);
-x_77 = lean_ctor_get(x_2, 0);
-lean_inc(x_77);
+lean_object* x_190; lean_object* x_191; 
+x_190 = lean_ctor_get(x_183, 1);
+lean_inc(x_190);
+lean_dec(x_183);
+x_191 = lean_ctor_get(x_2, 0);
+lean_inc(x_191);
 lean_dec(x_2);
-x_5 = x_77;
-x_6 = x_76;
-goto block_68;
+x_5 = x_191;
+x_6 = x_190;
+goto block_182;
 }
 }
 else
 {
-uint8_t x_78; 
+uint8_t x_192; 
 lean_dec(x_3);
 lean_dec(x_2);
-x_78 = !lean_is_exclusive(x_69);
-if (x_78 == 0)
+x_192 = !lean_is_exclusive(x_183);
+if (x_192 == 0)
 {
-return x_69;
+return x_183;
 }
 else
 {
-lean_object* x_79; lean_object* x_80; lean_object* x_81; 
-x_79 = lean_ctor_get(x_69, 0);
-x_80 = lean_ctor_get(x_69, 1);
-lean_inc(x_80);
-lean_inc(x_79);
-lean_dec(x_69);
-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;
+lean_object* x_193; lean_object* x_194; lean_object* x_195; 
+x_193 = lean_ctor_get(x_183, 0);
+x_194 = lean_ctor_get(x_183, 1);
+lean_inc(x_194);
+lean_inc(x_193);
+lean_dec(x_183);
+x_195 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_195, 0, x_193);
+lean_ctor_set(x_195, 1, x_194);
+return x_195;
 }
 }
-block_68:
+block_182:
 {
 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; 
 x_7 = lean_unsigned_to_nat(1u);
@@ -18513,7 +22257,7 @@ x_12 = l_Array_empty___closed__1;
 x_13 = l_Array_foldlStepMAux___main___at_Lean_Elab_Term_elabParen___spec__1(x_10, x_9, x_11, x_12);
 lean_dec(x_9);
 x_14 = x_13;
-x_15 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__1(x_11, x_14);
+x_15 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__1(x_11, x_14);
 x_16 = x_15;
 x_17 = lean_array_get_size(x_16);
 lean_inc(x_3);
@@ -18539,6 +22283,7 @@ x_24 = lean_ctor_get(x_22, 1);
 lean_inc(x_24);
 lean_dec(x_22);
 lean_inc(x_3);
+lean_inc(x_5);
 lean_inc(x_19);
 x_25 = l___private_Lean_Elab_Match_7__elabDiscrs(x_16, x_19, x_5, x_3, x_24);
 lean_dec(x_16);
@@ -18551,9 +22296,8 @@ x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
 lean_dec(x_25);
 x_28 = x_23;
-lean_inc(x_28);
 lean_inc(x_19);
-x_29 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__2), 5, 3);
+x_29 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__2), 5, 3);
 lean_closure_set(x_29, 0, x_19);
 lean_closure_set(x_29, 1, x_11);
 lean_closure_set(x_29, 2, x_28);
@@ -18562,165 +22306,653 @@ lean_inc(x_3);
 x_31 = lean_apply_2(x_30, x_3, x_27);
 if (lean_obj_tag(x_31) == 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; 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_32 = lean_ctor_get(x_31, 1);
+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; 
+x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
+x_33 = lean_ctor_get(x_31, 1);
+lean_inc(x_33);
 lean_dec(x_31);
-x_33 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_33, 0, x_19);
-x_34 = l___private_Lean_Elab_Match_26__elabMatchCore___closed__3;
-x_35 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_35, 0, x_34);
-lean_ctor_set(x_35, 1, x_33);
-x_36 = l___private_Lean_Elab_Match_26__elabMatchCore___closed__5;
-x_37 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_37, 0, x_35);
-lean_ctor_set(x_37, 1, x_36);
-x_38 = l_Lean_MessageData_coeOfArrayExpr___closed__2;
-x_39 = l_Lean_MessageData_arrayExpr_toMessageData___main(x_26, x_11, x_38);
+x_34 = x_32;
+lean_inc(x_34);
+x_35 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__3(x_11, x_34);
+x_36 = x_35;
+x_37 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_31__elabMatchCore___spec__4(x_11, x_34);
+x_38 = x_37;
+lean_inc(x_3);
+lean_inc(x_19);
+x_39 = l_Lean_Elab_Term_mkMotiveType(x_19, x_5, x_3, x_33);
+lean_dec(x_5);
+if (lean_obj_tag(x_39) == 0)
+{
+lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
+x_40 = lean_ctor_get(x_39, 1);
+lean_inc(x_40);
+x_41 = lean_ctor_get(x_40, 0);
+lean_inc(x_41);
+x_42 = lean_ctor_get(x_39, 0);
+lean_inc(x_42);
+lean_dec(x_39);
+x_43 = !lean_is_exclusive(x_41);
+if (x_43 == 0)
+{
+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_41, 4);
+x_45 = lean_ctor_get(x_3, 0);
+lean_inc(x_45);
+x_46 = l_Lean_TraceState_Inhabited___closed__1;
+lean_ctor_set(x_41, 4, x_46);
+x_47 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__1;
+x_48 = l_Lean_Meta_forallTelescopeReducing___rarg(x_19, x_47, x_45, x_41);
+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 = 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);
+lean_inc(x_3);
+x_51 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_40, x_50, x_44);
+x_52 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__3;
+lean_inc(x_3);
+x_53 = l_Lean_Elab_Term_mkAuxName(x_52, x_3, x_51);
+if (lean_obj_tag(x_53) == 0)
+{
+lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+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);
+x_56 = l_Array_toList___rarg(x_38);
+lean_dec(x_38);
+lean_inc(x_3);
+x_57 = l_Lean_Elab_Term_mkElim(x_54, x_42, x_56, x_3, x_55);
+if (lean_obj_tag(x_57) == 0)
+{
+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; uint8_t x_65; 
+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_ctor_get(x_58, 0);
+lean_inc(x_60);
+lean_dec(x_58);
+x_61 = l_Lean_mkApp(x_60, x_49);
+x_62 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_26, x_26, x_11, x_61);
 lean_dec(x_26);
-x_40 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_40, 0, x_37);
-lean_ctor_set(x_40, 1, x_39);
-x_41 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_36);
-x_42 = l_Array_umapMAux___main___at___private_Lean_Elab_Match_26__elabMatchCore___spec__3(x_11, x_28);
-x_43 = x_42;
-x_44 = l_Array_toList___rarg(x_43);
-lean_dec(x_43);
-x_45 = l_List_toString___at_Lean_MetavarContext_MkBinding_Exception_toString___spec__2(x_44);
-x_46 = l_Array_HasRepr___rarg___closed__1;
-x_47 = lean_string_append(x_46, x_45);
-lean_dec(x_45);
-x_48 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_48, 0, x_47);
-x_49 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_49, 0, x_48);
-x_50 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_50, 0, x_41);
-lean_ctor_set(x_50, 1, x_49);
-x_51 = l_Lean_Elab_Term_throwError___rarg(x_50, x_3, x_32);
-return x_51;
+x_63 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_36, x_36, x_11, x_62);
+lean_dec(x_36);
+x_64 = l_Lean_Elab_Term_getOptions(x_3, x_59);
+x_65 = !lean_is_exclusive(x_64);
+if (x_65 == 0)
+{
+lean_object* x_66; lean_object* x_67; lean_object* x_68; uint8_t x_69; 
+x_66 = lean_ctor_get(x_64, 0);
+x_67 = lean_ctor_get(x_64, 1);
+x_68 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_69 = l_Lean_checkTraceOption(x_66, x_68);
+lean_dec(x_66);
+if (x_69 == 0)
+{
+lean_dec(x_3);
+lean_ctor_set(x_64, 0, x_63);
+return x_64;
 }
 else
 {
-uint8_t x_52; 
-lean_dec(x_28);
+lean_object* x_70; lean_object* x_71; lean_object* x_72; lean_object* x_73; uint8_t x_74; 
+lean_free_object(x_64);
+lean_inc(x_63);
+x_70 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_70, 0, x_63);
+x_71 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__6;
+x_72 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_72, 0, x_71);
+lean_ctor_set(x_72, 1, x_70);
+x_73 = l_Lean_Elab_Term_logTrace(x_68, x_72, x_3, x_67);
+lean_dec(x_3);
+x_74 = !lean_is_exclusive(x_73);
+if (x_74 == 0)
+{
+lean_object* x_75; 
+x_75 = lean_ctor_get(x_73, 0);
+lean_dec(x_75);
+lean_ctor_set(x_73, 0, x_63);
+return x_73;
+}
+else
+{
+lean_object* x_76; lean_object* x_77; 
+x_76 = lean_ctor_get(x_73, 1);
+lean_inc(x_76);
+lean_dec(x_73);
+x_77 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_77, 0, x_63);
+lean_ctor_set(x_77, 1, x_76);
+return x_77;
+}
+}
+}
+else
+{
+lean_object* x_78; lean_object* x_79; lean_object* x_80; uint8_t x_81; 
+x_78 = lean_ctor_get(x_64, 0);
+x_79 = lean_ctor_get(x_64, 1);
+lean_inc(x_79);
+lean_inc(x_78);
+lean_dec(x_64);
+x_80 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_81 = l_Lean_checkTraceOption(x_78, x_80);
+lean_dec(x_78);
+if (x_81 == 0)
+{
+lean_object* x_82; 
+lean_dec(x_3);
+x_82 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_82, 0, x_63);
+lean_ctor_set(x_82, 1, x_79);
+return x_82;
+}
+else
+{
+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_inc(x_63);
+x_83 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_83, 0, x_63);
+x_84 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__6;
+x_85 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_85, 0, x_84);
+lean_ctor_set(x_85, 1, x_83);
+x_86 = l_Lean_Elab_Term_logTrace(x_80, x_85, x_3, x_79);
+lean_dec(x_3);
+x_87 = lean_ctor_get(x_86, 1);
+lean_inc(x_87);
+if (lean_is_exclusive(x_86)) {
+ lean_ctor_release(x_86, 0);
+ lean_ctor_release(x_86, 1);
+ x_88 = x_86;
+} else {
+ lean_dec_ref(x_86);
+ x_88 = lean_box(0);
+}
+if (lean_is_scalar(x_88)) {
+ x_89 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_89 = x_88;
+}
+lean_ctor_set(x_89, 0, x_63);
+lean_ctor_set(x_89, 1, x_87);
+return x_89;
+}
+}
+}
+else
+{
+uint8_t x_90; 
+lean_dec(x_49);
+lean_dec(x_36);
+lean_dec(x_26);
+lean_dec(x_3);
+x_90 = !lean_is_exclusive(x_57);
+if (x_90 == 0)
+{
+return x_57;
+}
+else
+{
+lean_object* x_91; lean_object* x_92; lean_object* x_93; 
+x_91 = lean_ctor_get(x_57, 0);
+x_92 = lean_ctor_get(x_57, 1);
+lean_inc(x_92);
+lean_inc(x_91);
+lean_dec(x_57);
+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_94; 
+lean_dec(x_49);
+lean_dec(x_42);
+lean_dec(x_38);
+lean_dec(x_36);
+lean_dec(x_26);
+lean_dec(x_3);
+x_94 = !lean_is_exclusive(x_53);
+if (x_94 == 0)
+{
+return x_53;
+}
+else
+{
+lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+x_95 = lean_ctor_get(x_53, 0);
+x_96 = lean_ctor_get(x_53, 1);
+lean_inc(x_96);
+lean_inc(x_95);
+lean_dec(x_53);
+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
+{
+uint8_t x_98; 
+lean_dec(x_42);
+lean_dec(x_38);
+lean_dec(x_36);
+lean_dec(x_26);
+x_98 = !lean_is_exclusive(x_48);
+if (x_98 == 0)
+{
+lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
+x_99 = lean_ctor_get(x_48, 0);
+x_100 = lean_ctor_get(x_48, 1);
+lean_inc(x_3);
+x_101 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_99);
+x_102 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_40, x_100, x_44);
+lean_ctor_set(x_48, 1, x_102);
+lean_ctor_set(x_48, 0, x_101);
+return x_48;
+}
+else
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; lean_object* x_107; 
+x_103 = lean_ctor_get(x_48, 0);
+x_104 = lean_ctor_get(x_48, 1);
+lean_inc(x_104);
+lean_inc(x_103);
+lean_dec(x_48);
+lean_inc(x_3);
+x_105 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_103);
+x_106 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_40, x_104, x_44);
+x_107 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_107, 0, x_105);
+lean_ctor_set(x_107, 1, x_106);
+return x_107;
+}
+}
+}
+else
+{
+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; 
+x_108 = lean_ctor_get(x_41, 0);
+x_109 = lean_ctor_get(x_41, 1);
+x_110 = lean_ctor_get(x_41, 2);
+x_111 = lean_ctor_get(x_41, 3);
+x_112 = lean_ctor_get(x_41, 4);
+x_113 = lean_ctor_get(x_41, 5);
+lean_inc(x_113);
+lean_inc(x_112);
+lean_inc(x_111);
+lean_inc(x_110);
+lean_inc(x_109);
+lean_inc(x_108);
+lean_dec(x_41);
+x_114 = lean_ctor_get(x_3, 0);
+lean_inc(x_114);
+x_115 = l_Lean_TraceState_Inhabited___closed__1;
+x_116 = lean_alloc_ctor(0, 6, 0);
+lean_ctor_set(x_116, 0, x_108);
+lean_ctor_set(x_116, 1, x_109);
+lean_ctor_set(x_116, 2, x_110);
+lean_ctor_set(x_116, 3, x_111);
+lean_ctor_set(x_116, 4, x_115);
+lean_ctor_set(x_116, 5, x_113);
+x_117 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__1;
+x_118 = l_Lean_Meta_forallTelescopeReducing___rarg(x_19, x_117, x_114, x_116);
+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; 
+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);
+lean_inc(x_3);
+x_121 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_40, x_120, x_112);
+x_122 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__3;
+lean_inc(x_3);
+x_123 = l_Lean_Elab_Term_mkAuxName(x_122, x_3, x_121);
+if (lean_obj_tag(x_123) == 0)
+{
+lean_object* x_124; lean_object* x_125; lean_object* x_126; lean_object* x_127; 
+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_Array_toList___rarg(x_38);
+lean_dec(x_38);
+lean_inc(x_3);
+x_127 = l_Lean_Elab_Term_mkElim(x_124, x_42, x_126, x_3, x_125);
+if (lean_obj_tag(x_127) == 0)
+{
+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; uint8_t x_139; 
+x_128 = lean_ctor_get(x_127, 0);
+lean_inc(x_128);
+x_129 = lean_ctor_get(x_127, 1);
+lean_inc(x_129);
+lean_dec(x_127);
+x_130 = lean_ctor_get(x_128, 0);
+lean_inc(x_130);
+lean_dec(x_128);
+x_131 = l_Lean_mkApp(x_130, x_119);
+x_132 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_26, x_26, x_11, x_131);
+lean_dec(x_26);
+x_133 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_36, x_36, x_11, x_132);
+lean_dec(x_36);
+x_134 = l_Lean_Elab_Term_getOptions(x_3, x_129);
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+if (lean_is_exclusive(x_134)) {
+ lean_ctor_release(x_134, 0);
+ lean_ctor_release(x_134, 1);
+ x_137 = x_134;
+} else {
+ lean_dec_ref(x_134);
+ x_137 = lean_box(0);
+}
+x_138 = l_Array_umapMAux___main___at_Lean_Elab_Term_CollectPatternVars_main___spec__1___closed__1;
+x_139 = l_Lean_checkTraceOption(x_135, x_138);
+lean_dec(x_135);
+if (x_139 == 0)
+{
+lean_object* x_140; 
+lean_dec(x_3);
+if (lean_is_scalar(x_137)) {
+ x_140 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_140 = x_137;
+}
+lean_ctor_set(x_140, 0, x_133);
+lean_ctor_set(x_140, 1, x_136);
+return x_140;
+}
+else
+{
+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_dec(x_137);
+lean_inc(x_133);
+x_141 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_141, 0, x_133);
+x_142 = l___private_Lean_Elab_Match_31__elabMatchCore___closed__6;
+x_143 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_143, 0, x_142);
+lean_ctor_set(x_143, 1, x_141);
+x_144 = l_Lean_Elab_Term_logTrace(x_138, x_143, x_3, x_136);
+lean_dec(x_3);
+x_145 = lean_ctor_get(x_144, 1);
+lean_inc(x_145);
+if (lean_is_exclusive(x_144)) {
+ lean_ctor_release(x_144, 0);
+ lean_ctor_release(x_144, 1);
+ x_146 = x_144;
+} else {
+ lean_dec_ref(x_144);
+ x_146 = lean_box(0);
+}
+if (lean_is_scalar(x_146)) {
+ x_147 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_147 = x_146;
+}
+lean_ctor_set(x_147, 0, x_133);
+lean_ctor_set(x_147, 1, x_145);
+return x_147;
+}
+}
+else
+{
+lean_object* x_148; lean_object* x_149; lean_object* x_150; lean_object* x_151; 
+lean_dec(x_119);
+lean_dec(x_36);
+lean_dec(x_26);
+lean_dec(x_3);
+x_148 = lean_ctor_get(x_127, 0);
+lean_inc(x_148);
+x_149 = lean_ctor_get(x_127, 1);
+lean_inc(x_149);
+if (lean_is_exclusive(x_127)) {
+ lean_ctor_release(x_127, 0);
+ lean_ctor_release(x_127, 1);
+ x_150 = x_127;
+} else {
+ lean_dec_ref(x_127);
+ x_150 = lean_box(0);
+}
+if (lean_is_scalar(x_150)) {
+ x_151 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_151 = x_150;
+}
+lean_ctor_set(x_151, 0, x_148);
+lean_ctor_set(x_151, 1, x_149);
+return x_151;
+}
+}
+else
+{
+lean_object* x_152; lean_object* x_153; lean_object* x_154; lean_object* x_155; 
+lean_dec(x_119);
+lean_dec(x_42);
+lean_dec(x_38);
+lean_dec(x_36);
+lean_dec(x_26);
+lean_dec(x_3);
+x_152 = lean_ctor_get(x_123, 0);
+lean_inc(x_152);
+x_153 = lean_ctor_get(x_123, 1);
+lean_inc(x_153);
+if (lean_is_exclusive(x_123)) {
+ lean_ctor_release(x_123, 0);
+ lean_ctor_release(x_123, 1);
+ x_154 = x_123;
+} else {
+ lean_dec_ref(x_123);
+ x_154 = lean_box(0);
+}
+if (lean_is_scalar(x_154)) {
+ x_155 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_155 = x_154;
+}
+lean_ctor_set(x_155, 0, x_152);
+lean_ctor_set(x_155, 1, x_153);
+return x_155;
+}
+}
+else
+{
+lean_object* x_156; lean_object* x_157; lean_object* x_158; lean_object* x_159; lean_object* x_160; lean_object* x_161; 
+lean_dec(x_42);
+lean_dec(x_38);
+lean_dec(x_36);
+lean_dec(x_26);
+x_156 = lean_ctor_get(x_118, 0);
+lean_inc(x_156);
+x_157 = lean_ctor_get(x_118, 1);
+lean_inc(x_157);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_158 = x_118;
+} else {
+ lean_dec_ref(x_118);
+ x_158 = lean_box(0);
+}
+lean_inc(x_3);
+x_159 = l___private_Lean_Elab_Term_2__fromMetaException(x_3, x_156);
+x_160 = l___private_Lean_Elab_Term_3__fromMetaState(x_3, x_40, x_157, x_112);
+if (lean_is_scalar(x_158)) {
+ x_161 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_161 = x_158;
+}
+lean_ctor_set(x_161, 0, x_159);
+lean_ctor_set(x_161, 1, x_160);
+return x_161;
+}
+}
+}
+else
+{
+uint8_t x_162; 
+lean_dec(x_38);
+lean_dec(x_36);
 lean_dec(x_26);
 lean_dec(x_19);
 lean_dec(x_3);
-x_52 = !lean_is_exclusive(x_31);
-if (x_52 == 0)
+x_162 = !lean_is_exclusive(x_39);
+if (x_162 == 0)
+{
+return x_39;
+}
+else
+{
+lean_object* x_163; lean_object* x_164; lean_object* x_165; 
+x_163 = lean_ctor_get(x_39, 0);
+x_164 = lean_ctor_get(x_39, 1);
+lean_inc(x_164);
+lean_inc(x_163);
+lean_dec(x_39);
+x_165 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_165, 0, x_163);
+lean_ctor_set(x_165, 1, x_164);
+return x_165;
+}
+}
+}
+else
+{
+uint8_t x_166; 
+lean_dec(x_26);
+lean_dec(x_19);
+lean_dec(x_5);
+lean_dec(x_3);
+x_166 = !lean_is_exclusive(x_31);
+if (x_166 == 0)
 {
 return x_31;
 }
 else
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_31, 0);
-x_54 = lean_ctor_get(x_31, 1);
-lean_inc(x_54);
-lean_inc(x_53);
+lean_object* x_167; lean_object* x_168; lean_object* x_169; 
+x_167 = lean_ctor_get(x_31, 0);
+x_168 = lean_ctor_get(x_31, 1);
+lean_inc(x_168);
+lean_inc(x_167);
 lean_dec(x_31);
-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;
+x_169 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_169, 0, x_167);
+lean_ctor_set(x_169, 1, x_168);
+return x_169;
 }
 }
 }
 else
 {
-uint8_t x_56; 
+uint8_t x_170; 
 lean_dec(x_23);
 lean_dec(x_19);
+lean_dec(x_5);
 lean_dec(x_3);
-x_56 = !lean_is_exclusive(x_25);
-if (x_56 == 0)
+x_170 = !lean_is_exclusive(x_25);
+if (x_170 == 0)
 {
 return x_25;
 }
 else
 {
-lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_57 = lean_ctor_get(x_25, 0);
-x_58 = lean_ctor_get(x_25, 1);
-lean_inc(x_58);
-lean_inc(x_57);
+lean_object* x_171; lean_object* x_172; lean_object* x_173; 
+x_171 = lean_ctor_get(x_25, 0);
+x_172 = lean_ctor_get(x_25, 1);
+lean_inc(x_172);
+lean_inc(x_171);
 lean_dec(x_25);
-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;
+x_173 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_173, 0, x_171);
+lean_ctor_set(x_173, 1, x_172);
+return x_173;
 }
 }
 }
 else
 {
-uint8_t x_60; 
+uint8_t x_174; 
 lean_dec(x_19);
 lean_dec(x_16);
 lean_dec(x_5);
 lean_dec(x_3);
-x_60 = !lean_is_exclusive(x_22);
-if (x_60 == 0)
+x_174 = !lean_is_exclusive(x_22);
+if (x_174 == 0)
 {
 return x_22;
 }
 else
 {
-lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_61 = lean_ctor_get(x_22, 0);
-x_62 = lean_ctor_get(x_22, 1);
-lean_inc(x_62);
-lean_inc(x_61);
+lean_object* x_175; lean_object* x_176; lean_object* x_177; 
+x_175 = lean_ctor_get(x_22, 0);
+x_176 = lean_ctor_get(x_22, 1);
+lean_inc(x_176);
+lean_inc(x_175);
 lean_dec(x_22);
-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;
+x_177 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_177, 0, x_175);
+lean_ctor_set(x_177, 1, x_176);
+return x_177;
 }
 }
 }
 else
 {
-uint8_t x_64; 
+uint8_t x_178; 
 lean_dec(x_16);
 lean_dec(x_5);
 lean_dec(x_3);
-x_64 = !lean_is_exclusive(x_18);
-if (x_64 == 0)
+x_178 = !lean_is_exclusive(x_18);
+if (x_178 == 0)
 {
 return x_18;
 }
 else
 {
-lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_65 = lean_ctor_get(x_18, 0);
-x_66 = lean_ctor_get(x_18, 1);
-lean_inc(x_66);
-lean_inc(x_65);
+lean_object* x_179; lean_object* x_180; lean_object* x_181; 
+x_179 = lean_ctor_get(x_18, 0);
+x_180 = lean_ctor_get(x_18, 1);
+lean_inc(x_180);
+lean_inc(x_179);
 lean_dec(x_18);
-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;
+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* l___private_Lean_Elab_Match_26__elabMatchCore___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_31__elabMatchCore___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_Match_26__elabMatchCore(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_31__elabMatchCore(x_1, x_2, x_3, x_4);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -18729,13 +22961,13 @@ x_2 = lean_string_utf8_byte_size(x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__1;
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1;
+x_3 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -18743,7 +22975,7 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -18753,19 +22985,19 @@ x_3 = lean_array_push(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_nullKind___closed__2;
-x_2 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3;
+x_2 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -18777,7 +23009,7 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -18789,17 +23021,17 @@ lean_ctor_set(x_3, 1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7() {
+lean_object* _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Elab_Match_3__expandMatchOptTypeAux___main___closed__6;
-x_2 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5;
+x_2 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5;
 x_3 = lean_array_push(x_1, x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; uint8_t x_6; lean_object* x_7; lean_object* x_8; 
@@ -18854,7 +23086,7 @@ else
 lean_object* x_19; lean_object* x_20; uint8_t x_21; 
 x_19 = lean_nat_add(x_2, x_7);
 lean_dec(x_2);
-x_20 = l___private_Lean_Elab_Match_27__mkMatchType___main(x_1, x_19, x_3, x_8);
+x_20 = l___private_Lean_Elab_Match_32__mkMatchType___main(x_1, x_19, x_3, x_8);
 x_21 = !lean_is_exclusive(x_20);
 if (x_21 == 0)
 {
@@ -18873,7 +23105,7 @@ x_27 = l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__2;
 x_28 = l_Lean_addMacroScope(x_12, x_27, x_4);
 x_29 = lean_box(0);
 x_30 = l_Lean_SourceInfo_inhabited___closed__1;
-x_31 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2;
+x_31 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2;
 x_32 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_32, 0, x_30);
 lean_ctor_set(x_32, 1, x_31);
@@ -18888,7 +23120,7 @@ lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_34);
 x_37 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__4;
 x_38 = lean_array_push(x_37, x_36);
-x_39 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4;
+x_39 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4;
 x_40 = lean_array_push(x_38, x_39);
 x_41 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 x_42 = lean_array_push(x_40, x_41);
@@ -18899,10 +23131,10 @@ x_46 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_46, 0, x_45);
 lean_ctor_set(x_46, 1, x_44);
 x_47 = lean_array_push(x_33, x_46);
-x_48 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5;
+x_48 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5;
 x_49 = lean_array_push(x_47, x_48);
 x_50 = lean_array_push(x_33, x_26);
-x_51 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6;
+x_51 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6;
 x_52 = lean_array_push(x_50, x_51);
 x_53 = lean_array_push(x_34, x_41);
 x_54 = l_Lean_mkTermIdFromIdent___closed__2;
@@ -18935,7 +23167,7 @@ lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70;
 lean_dec(x_14);
 lean_dec(x_12);
 lean_dec(x_4);
-x_67 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7;
+x_67 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7;
 x_68 = lean_array_push(x_67, x_22);
 x_69 = l_Lean_Parser_Term_arrow___elambda__1___closed__2;
 x_70 = lean_alloc_ctor(1, 2, 0);
@@ -18966,7 +23198,7 @@ x_77 = l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__2;
 x_78 = l_Lean_addMacroScope(x_12, x_77, x_4);
 x_79 = lean_box(0);
 x_80 = l_Lean_SourceInfo_inhabited___closed__1;
-x_81 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2;
+x_81 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2;
 x_82 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_82, 0, x_80);
 lean_ctor_set(x_82, 1, x_81);
@@ -18981,7 +23213,7 @@ lean_ctor_set(x_86, 0, x_85);
 lean_ctor_set(x_86, 1, x_84);
 x_87 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__4;
 x_88 = lean_array_push(x_87, x_86);
-x_89 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4;
+x_89 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4;
 x_90 = lean_array_push(x_88, x_89);
 x_91 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 x_92 = lean_array_push(x_90, x_91);
@@ -18992,10 +23224,10 @@ x_96 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_96, 0, x_95);
 lean_ctor_set(x_96, 1, x_94);
 x_97 = lean_array_push(x_83, x_96);
-x_98 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5;
+x_98 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5;
 x_99 = lean_array_push(x_97, x_98);
 x_100 = lean_array_push(x_83, x_76);
-x_101 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6;
+x_101 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6;
 x_102 = lean_array_push(x_100, x_101);
 x_103 = lean_array_push(x_84, x_91);
 x_104 = l_Lean_mkTermIdFromIdent___closed__2;
@@ -19030,7 +23262,7 @@ lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121;
 lean_dec(x_14);
 lean_dec(x_12);
 lean_dec(x_4);
-x_118 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7;
+x_118 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7;
 x_119 = lean_array_push(x_118, x_71);
 x_120 = l_Lean_Parser_Term_arrow___elambda__1___closed__2;
 x_121 = lean_alloc_ctor(1, 2, 0);
@@ -19083,7 +23315,7 @@ else
 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_132 = lean_nat_add(x_2, x_7);
 lean_dec(x_2);
-x_133 = l___private_Lean_Elab_Match_27__mkMatchType___main(x_1, x_132, x_126, x_8);
+x_133 = l___private_Lean_Elab_Match_32__mkMatchType___main(x_1, x_132, x_126, x_8);
 x_134 = lean_ctor_get(x_133, 0);
 lean_inc(x_134);
 x_135 = lean_ctor_get(x_133, 1);
@@ -19109,7 +23341,7 @@ x_141 = l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__2;
 x_142 = l_Lean_addMacroScope(x_123, x_141, x_4);
 x_143 = lean_box(0);
 x_144 = l_Lean_SourceInfo_inhabited___closed__1;
-x_145 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2;
+x_145 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2;
 x_146 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_146, 0, x_144);
 lean_ctor_set(x_146, 1, x_145);
@@ -19124,7 +23356,7 @@ lean_ctor_set(x_150, 0, x_149);
 lean_ctor_set(x_150, 1, x_148);
 x_151 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__4;
 x_152 = lean_array_push(x_151, x_150);
-x_153 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4;
+x_153 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4;
 x_154 = lean_array_push(x_152, x_153);
 x_155 = l_Lean_PrettyPrinter_Parenthesizer_termParser_parenthesizer___lambda__1___closed__5;
 x_156 = lean_array_push(x_154, x_155);
@@ -19135,10 +23367,10 @@ x_160 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_160, 0, x_159);
 lean_ctor_set(x_160, 1, x_158);
 x_161 = lean_array_push(x_147, x_160);
-x_162 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5;
+x_162 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5;
 x_163 = lean_array_push(x_161, x_162);
 x_164 = lean_array_push(x_147, x_140);
-x_165 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6;
+x_165 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6;
 x_166 = lean_array_push(x_164, x_165);
 x_167 = lean_array_push(x_148, x_155);
 x_168 = l_Lean_mkTermIdFromIdent___closed__2;
@@ -19177,7 +23409,7 @@ lean_object* x_182; lean_object* x_183; lean_object* x_184; lean_object* x_185;
 lean_dec(x_127);
 lean_dec(x_123);
 lean_dec(x_4);
-x_182 = l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7;
+x_182 = l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7;
 x_183 = lean_array_push(x_182, x_134);
 x_184 = l_Lean_Parser_Term_arrow___elambda__1___closed__2;
 x_185 = lean_alloc_ctor(1, 2, 0);
@@ -19197,33 +23429,33 @@ return x_186;
 }
 }
 }
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___main___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_Match_27__mkMatchType___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_32__mkMatchType___main(x_1, x_2, x_3, x_4);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType(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_Match_27__mkMatchType___main(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_32__mkMatchType___main(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Elab_Match_27__mkMatchType___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_32__mkMatchType___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_Match_27__mkMatchType(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_32__mkMatchType(x_1, x_2, x_3, x_4);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Elab_Match_28__mkOptType(lean_object* x_1) {
+lean_object* l___private_Lean_Elab_Match_33__mkOptType(lean_object* x_1) {
 _start:
 {
 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; 
@@ -19245,7 +23477,7 @@ lean_ctor_set(x_12, 1, x_10);
 return x_12;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -19253,22 +23485,22 @@ x_1 = lean_mk_string("Eq.refl");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1;
+x_1 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1;
 x_2 = lean_string_utf8_byte_size(x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1;
+x_1 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1;
 x_2 = lean_unsigned_to_nat(0u);
-x_3 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2;
+x_3 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2;
 x_4 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_4, 0, x_1);
 lean_ctor_set(x_4, 1, x_2);
@@ -19276,7 +23508,7 @@ lean_ctor_set(x_4, 2, x_3);
 return x_4;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -19288,19 +23520,19 @@ lean_ctor_set(x_3, 1, x_1);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4;
+x_2 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4;
 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;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6() {
+lean_object* _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -19310,7 +23542,7 @@ x_3 = lean_array_push(x_1, x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main(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; uint8_t x_7; 
@@ -19370,8 +23602,8 @@ lean_inc(x_26);
 x_27 = l_Lean_Meta_mkEqRefl___closed__2;
 x_28 = l_Lean_addMacroScope(x_26, x_27, x_25);
 x_29 = l_Lean_SourceInfo_inhabited___closed__1;
-x_30 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3;
-x_31 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5;
+x_30 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3;
+x_31 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5;
 x_32 = lean_alloc_ctor(3, 4, 0);
 lean_ctor_set(x_32, 0, x_29);
 lean_ctor_set(x_32, 1, x_30);
@@ -19392,7 +23624,7 @@ x_42 = l_Lean_mkAppStx___closed__8;
 x_43 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_43, 0, x_42);
 lean_ctor_set(x_43, 1, x_41);
-x_44 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6;
+x_44 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6;
 x_45 = lean_array_push(x_44, x_43);
 x_46 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_46, 0, x_10);
@@ -19420,33 +23652,33 @@ goto _start;
 }
 }
 }
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___main___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___main___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_Match_29__mkNewDiscrs___main(x_1, x_2, x_3, x_4, x_5);
+x_6 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_1);
 return x_6;
 }
 }
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs(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_Match_29__mkNewDiscrs___main(x_1, x_2, x_3, x_4, x_5);
+x_6 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main(x_1, x_2, x_3, x_4, x_5);
 return x_6;
 }
 }
-lean_object* l___private_Lean_Elab_Match_29__mkNewDiscrs___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Elab_Match_34__mkNewDiscrs___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_Match_29__mkNewDiscrs(x_1, x_2, x_3, x_4, x_5);
+x_6 = l___private_Lean_Elab_Match_34__mkNewDiscrs(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_1);
 return x_6;
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1() {
+lean_object* _init_l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -19454,7 +23686,7 @@ x_1 = lean_mk_string("invalid number of patterns, expected #");
 return x_1;
 }
 }
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___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* l___private_Lean_Elab_Match_35__mkNewPatterns___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) {
 _start:
 {
 lean_object* x_8; uint8_t x_9; 
@@ -19485,7 +23717,7 @@ lean_dec(x_11);
 lean_dec(x_5);
 lean_dec(x_4);
 x_14 = l_Nat_repr(x_8);
-x_15 = l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1;
+x_15 = l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1;
 x_16 = lean_string_append(x_15, x_14);
 lean_dec(x_14);
 x_17 = lean_alloc_ctor(0, 2, 0);
@@ -19560,37 +23792,37 @@ goto _start;
 }
 }
 }
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___main___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* l___private_Lean_Elab_Match_35__mkNewPatterns___main___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___private_Lean_Elab_Match_30__mkNewPatterns___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l___private_Lean_Elab_Match_35__mkNewPatterns___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_8;
 }
 }
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns(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* l___private_Lean_Elab_Match_35__mkNewPatterns(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___private_Lean_Elab_Match_30__mkNewPatterns___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l___private_Lean_Elab_Match_35__mkNewPatterns___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 return x_8;
 }
 }
-lean_object* l___private_Lean_Elab_Match_30__mkNewPatterns___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* l___private_Lean_Elab_Match_35__mkNewPatterns___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___private_Lean_Elab_Match_30__mkNewPatterns(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
+x_8 = l___private_Lean_Elab_Match_35__mkNewPatterns(x_1, x_2, x_3, x_4, x_5, x_6, x_7);
 lean_dec(x_6);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_8;
 }
 }
-lean_object* l___private_Lean_Elab_Match_31__mkNewAlt(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_36__mkNewAlt(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
@@ -19600,7 +23832,7 @@ x_7 = l_Lean_Syntax_getArgs(x_6);
 lean_dec(x_6);
 x_8 = l_Array_empty___closed__1;
 lean_inc(x_2);
-x_9 = l___private_Lean_Elab_Match_30__mkNewPatterns___main(x_2, x_1, x_7, x_5, x_8, x_3, x_4);
+x_9 = l___private_Lean_Elab_Match_35__mkNewPatterns___main(x_2, x_1, x_7, x_5, x_8, x_3, x_4);
 lean_dec(x_7);
 if (lean_obj_tag(x_9) == 0)
 {
@@ -19662,17 +23894,17 @@ return x_24;
 }
 }
 }
-lean_object* l___private_Lean_Elab_Match_31__mkNewAlt___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_36__mkNewAlt___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_Match_31__mkNewAlt(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_36__mkNewAlt(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___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* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___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_7; uint8_t x_8; 
@@ -19763,54 +23995,54 @@ return x_29;
 }
 }
 }
-lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
 x_5 = lean_unsigned_to_nat(0u);
 x_6 = l_Array_empty___closed__1;
-x_7 = l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___spec__2(x_1, x_2, x_5, x_6, x_3, x_4);
+x_7 = l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___spec__2(x_1, x_2, x_5, x_6, x_3, x_4);
 return x_7;
 }
 }
-lean_object* l___private_Lean_Elab_Match_32__mkNewAlts(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_37__mkNewAlts(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; lean_object* x_6; 
-x_5 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_31__mkNewAlt___boxed), 4, 1);
+x_5 = lean_alloc_closure((void*)(l___private_Lean_Elab_Match_36__mkNewAlt___boxed), 4, 1);
 lean_closure_set(x_5, 0, x_1);
-x_6 = l_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1(x_2, x_5, x_3, x_4);
+x_6 = l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__1(x_2, x_5, x_3, x_4);
 return x_6;
 }
 }
-lean_object* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___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* l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___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_7; 
-x_7 = l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_32__mkNewAlts___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l___private_Init_LeanInit_14__mapSepElemsMAux___main___at___private_Lean_Elab_Match_37__mkNewAlts___spec__2(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_1);
 return x_7;
 }
 }
-lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__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_Array_mapSepElemsM___at___private_Lean_Elab_Match_32__mkNewAlts___spec__1(x_1, x_2, x_3, x_4);
+x_5 = l_Array_mapSepElemsM___at___private_Lean_Elab_Match_37__mkNewAlts___spec__1(x_1, x_2, x_3, x_4);
 lean_dec(x_1);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Elab_Match_32__mkNewAlts___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Elab_Match_37__mkNewAlts___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_Match_32__mkNewAlts(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Elab_Match_37__mkNewAlts(x_1, x_2, x_3, x_4);
 lean_dec(x_2);
 return x_5;
 }
 }
-uint8_t l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+uint8_t l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 uint8_t x_5; 
@@ -19850,7 +24082,7 @@ goto _start;
 }
 }
 }
-lean_object* _init_l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1() {
+lean_object* _init_l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -19858,7 +24090,7 @@ x_1 = lean_mk_string("match expected type should not be provided when discrimina
 return x_1;
 }
 }
-lean_object* l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(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; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
@@ -19871,7 +24103,7 @@ x_8 = lean_unsigned_to_nat(0u);
 x_9 = l_Array_empty___closed__1;
 x_10 = l_Array_foldlStepMAux___main___at_Lean_Elab_Term_elabParen___spec__1(x_7, x_6, x_8, x_9);
 x_11 = lean_array_get_size(x_10);
-x_12 = l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1(x_1, x_10, x_11, x_8);
+x_12 = l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1(x_1, x_10, x_11, x_8);
 lean_dec(x_11);
 lean_dec(x_10);
 if (x_12 == 0)
@@ -19897,7 +24129,7 @@ lean_object* x_17; lean_object* x_18; lean_object* x_19;
 lean_dec(x_6);
 lean_dec(x_2);
 lean_dec(x_1);
-x_17 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1;
+x_17 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1;
 x_18 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_18, 0, x_15);
 lean_ctor_set(x_18, 1, x_17);
@@ -19911,17 +24143,17 @@ 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_33; lean_object* x_34; lean_object* x_35; 
 lean_dec(x_15);
 lean_inc(x_2);
-x_20 = l___private_Lean_Elab_Match_27__mkMatchType___main(x_6, x_8, x_2, x_3);
+x_20 = l___private_Lean_Elab_Match_32__mkMatchType___main(x_6, x_8, x_2, x_3);
 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 = l_Lean_Syntax_copyInfo(x_21, x_1);
-x_24 = l___private_Lean_Elab_Match_28__mkOptType(x_23);
+x_24 = l___private_Lean_Elab_Match_33__mkOptType(x_23);
 x_25 = l_Lean_Syntax_setArg(x_1, x_7, x_24);
 lean_inc(x_2);
-x_26 = l___private_Lean_Elab_Match_29__mkNewDiscrs___main(x_6, x_8, x_9, x_2, x_22);
+x_26 = l___private_Lean_Elab_Match_34__mkNewDiscrs___main(x_6, x_8, x_9, x_2, x_22);
 x_27 = lean_ctor_get(x_26, 0);
 lean_inc(x_27);
 x_28 = lean_ctor_get(x_26, 1);
@@ -19936,7 +24168,7 @@ x_32 = lean_unsigned_to_nat(5u);
 x_33 = l_Lean_Syntax_getArg(x_31, x_32);
 x_34 = l_Lean_Syntax_getArgs(x_33);
 lean_dec(x_33);
-x_35 = l___private_Lean_Elab_Match_32__mkNewAlts(x_6, x_34, x_2, x_28);
+x_35 = l___private_Lean_Elab_Match_37__mkNewAlts(x_6, x_34, x_2, x_28);
 lean_dec(x_34);
 if (lean_obj_tag(x_35) == 0)
 {
@@ -20002,11 +24234,11 @@ return x_50;
 }
 }
 }
-lean_object* l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 uint8_t x_5; lean_object* x_6; 
-x_5 = l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___spec__1(x_1, x_2, x_3, x_4);
+x_5 = l_Array_anyRangeMAux___main___at___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___spec__1(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
@@ -20045,7 +24277,7 @@ block_33:
 if (lean_obj_tag(x_5) == 0)
 {
 lean_object* x_7; 
-x_7 = l___private_Lean_Elab_Match_26__elabMatchCore(x_1, x_2, x_3, x_6);
+x_7 = l___private_Lean_Elab_Match_31__elabMatchCore(x_1, x_2, x_3, x_6);
 lean_dec(x_1);
 return x_7;
 }
@@ -20169,7 +24401,7 @@ lean_ctor_set(x_51, 1, x_36);
 lean_ctor_set(x_51, 2, x_48);
 lean_ctor_set(x_51, 3, x_49);
 lean_inc(x_1);
-x_52 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_51, x_46);
+x_52 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_51, x_46);
 if (lean_obj_tag(x_52) == 0)
 {
 uint8_t x_53; 
@@ -20362,7 +24594,7 @@ lean_ctor_set(x_99, 1, x_84);
 lean_ctor_set(x_99, 2, x_96);
 lean_ctor_set(x_99, 3, x_97);
 lean_inc(x_1);
-x_100 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_99, x_94);
+x_100 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_99, x_94);
 if (lean_obj_tag(x_100) == 0)
 {
 uint8_t x_101; 
@@ -20557,7 +24789,7 @@ lean_ctor_set(x_147, 1, x_132);
 lean_ctor_set(x_147, 2, x_144);
 lean_ctor_set(x_147, 3, x_145);
 lean_inc(x_1);
-x_148 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_147, x_142);
+x_148 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_147, x_142);
 if (lean_obj_tag(x_148) == 0)
 {
 uint8_t x_149; 
@@ -20751,7 +24983,7 @@ lean_ctor_set(x_194, 1, x_179);
 lean_ctor_set(x_194, 2, x_191);
 lean_ctor_set(x_194, 3, x_192);
 lean_inc(x_1);
-x_195 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_194, x_189);
+x_195 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_194, x_189);
 if (lean_obj_tag(x_195) == 0)
 {
 uint8_t x_196; 
@@ -20947,7 +25179,7 @@ lean_ctor_set(x_243, 1, x_228);
 lean_ctor_set(x_243, 2, x_240);
 lean_ctor_set(x_243, 3, x_241);
 lean_inc(x_1);
-x_244 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_243, x_238);
+x_244 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_243, x_238);
 if (lean_obj_tag(x_244) == 0)
 {
 uint8_t x_245; 
@@ -21141,7 +25373,7 @@ lean_ctor_set(x_290, 1, x_275);
 lean_ctor_set(x_290, 2, x_287);
 lean_ctor_set(x_290, 3, x_288);
 lean_inc(x_1);
-x_291 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_290, x_285);
+x_291 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_290, x_285);
 if (lean_obj_tag(x_291) == 0)
 {
 uint8_t x_292; 
@@ -21337,7 +25569,7 @@ lean_ctor_set(x_339, 1, x_324);
 lean_ctor_set(x_339, 2, x_336);
 lean_ctor_set(x_339, 3, x_337);
 lean_inc(x_1);
-x_340 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_339, x_334);
+x_340 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_339, x_334);
 if (lean_obj_tag(x_340) == 0)
 {
 uint8_t x_341; 
@@ -21532,7 +25764,7 @@ lean_ctor_set(x_387, 1, x_372);
 lean_ctor_set(x_387, 2, x_384);
 lean_ctor_set(x_387, 3, x_385);
 lean_inc(x_1);
-x_388 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_387, x_382);
+x_388 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_387, x_382);
 if (lean_obj_tag(x_388) == 0)
 {
 uint8_t x_389; 
@@ -21728,7 +25960,7 @@ lean_ctor_set(x_434, 1, x_419);
 lean_ctor_set(x_434, 2, x_431);
 lean_ctor_set(x_434, 3, x_432);
 lean_inc(x_1);
-x_435 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_434, x_429);
+x_435 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_434, x_429);
 if (lean_obj_tag(x_435) == 0)
 {
 uint8_t x_436; 
@@ -21923,7 +26155,7 @@ lean_ctor_set(x_481, 1, x_466);
 lean_ctor_set(x_481, 2, x_478);
 lean_ctor_set(x_481, 3, x_479);
 lean_inc(x_1);
-x_482 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_481, x_476);
+x_482 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_481, x_476);
 if (lean_obj_tag(x_482) == 0)
 {
 uint8_t x_483; 
@@ -22119,7 +26351,7 @@ lean_ctor_set(x_528, 1, x_513);
 lean_ctor_set(x_528, 2, x_525);
 lean_ctor_set(x_528, 3, x_526);
 lean_inc(x_1);
-x_529 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_528, x_523);
+x_529 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_528, x_523);
 if (lean_obj_tag(x_529) == 0)
 {
 uint8_t x_530; 
@@ -22295,7 +26527,7 @@ lean_ctor_set(x_576, 1, x_561);
 lean_ctor_set(x_576, 2, x_573);
 lean_ctor_set(x_576, 3, x_574);
 lean_inc(x_1);
-x_577 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_576, x_571);
+x_577 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_576, x_571);
 if (lean_obj_tag(x_577) == 0)
 {
 uint8_t x_578; 
@@ -22493,7 +26725,7 @@ lean_ctor_set(x_623, 1, x_608);
 lean_ctor_set(x_623, 2, x_620);
 lean_ctor_set(x_623, 3, x_621);
 lean_inc(x_1);
-x_624 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_623, x_618);
+x_624 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_623, x_618);
 if (lean_obj_tag(x_624) == 0)
 {
 uint8_t x_625; 
@@ -22733,7 +26965,7 @@ lean_ctor_set(x_717, 1, x_702);
 lean_ctor_set(x_717, 2, x_714);
 lean_ctor_set(x_717, 3, x_715);
 lean_inc(x_1);
-x_718 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_717, x_712);
+x_718 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_717, x_712);
 if (lean_obj_tag(x_718) == 0)
 {
 uint8_t x_719; 
@@ -22929,7 +27161,7 @@ lean_ctor_set(x_764, 1, x_749);
 lean_ctor_set(x_764, 2, x_761);
 lean_ctor_set(x_764, 3, x_762);
 lean_inc(x_1);
-x_765 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_764, x_759);
+x_765 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_764, x_759);
 if (lean_obj_tag(x_765) == 0)
 {
 uint8_t x_766; 
@@ -23123,7 +27355,7 @@ lean_ctor_set(x_811, 1, x_796);
 lean_ctor_set(x_811, 2, x_808);
 lean_ctor_set(x_811, 3, x_809);
 lean_inc(x_1);
-x_812 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_811, x_806);
+x_812 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_811, x_806);
 if (lean_obj_tag(x_812) == 0)
 {
 uint8_t x_813; 
@@ -23319,7 +27551,7 @@ lean_ctor_set(x_858, 1, x_843);
 lean_ctor_set(x_858, 2, x_855);
 lean_ctor_set(x_858, 3, x_856);
 lean_inc(x_1);
-x_859 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_858, x_853);
+x_859 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_858, x_853);
 if (lean_obj_tag(x_859) == 0)
 {
 uint8_t x_860; 
@@ -23495,7 +27727,7 @@ lean_ctor_set(x_906, 1, x_891);
 lean_ctor_set(x_906, 2, x_903);
 lean_ctor_set(x_906, 3, x_904);
 lean_inc(x_1);
-x_907 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_906, x_901);
+x_907 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_906, x_901);
 if (lean_obj_tag(x_907) == 0)
 {
 uint8_t x_908; 
@@ -23692,7 +27924,7 @@ lean_ctor_set(x_953, 1, x_938);
 lean_ctor_set(x_953, 2, x_950);
 lean_ctor_set(x_953, 3, x_951);
 lean_inc(x_1);
-x_954 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_953, x_948);
+x_954 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_953, x_948);
 if (lean_obj_tag(x_954) == 0)
 {
 uint8_t x_955; 
@@ -23932,7 +28164,7 @@ lean_ctor_set(x_1056, 1, x_1041);
 lean_ctor_set(x_1056, 2, x_1053);
 lean_ctor_set(x_1056, 3, x_1054);
 lean_inc(x_1);
-x_1057 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1056, x_1051);
+x_1057 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1056, x_1051);
 if (lean_obj_tag(x_1057) == 0)
 {
 uint8_t x_1058; 
@@ -24125,7 +28357,7 @@ lean_ctor_set(x_1104, 1, x_1089);
 lean_ctor_set(x_1104, 2, x_1101);
 lean_ctor_set(x_1104, 3, x_1102);
 lean_inc(x_1);
-x_1105 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1104, x_1099);
+x_1105 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1104, x_1099);
 if (lean_obj_tag(x_1105) == 0)
 {
 uint8_t x_1106; 
@@ -24320,7 +28552,7 @@ lean_ctor_set(x_1151, 1, x_1136);
 lean_ctor_set(x_1151, 2, x_1148);
 lean_ctor_set(x_1151, 3, x_1149);
 lean_inc(x_1);
-x_1152 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1151, x_1146);
+x_1152 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1151, x_1146);
 if (lean_obj_tag(x_1152) == 0)
 {
 uint8_t x_1153; 
@@ -24513,7 +28745,7 @@ lean_ctor_set(x_1198, 1, x_1183);
 lean_ctor_set(x_1198, 2, x_1195);
 lean_ctor_set(x_1198, 3, x_1196);
 lean_inc(x_1);
-x_1199 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1198, x_1193);
+x_1199 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1198, x_1193);
 if (lean_obj_tag(x_1199) == 0)
 {
 uint8_t x_1200; 
@@ -24708,7 +28940,7 @@ lean_ctor_set(x_1245, 1, x_1230);
 lean_ctor_set(x_1245, 2, x_1242);
 lean_ctor_set(x_1245, 3, x_1243);
 lean_inc(x_1);
-x_1246 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1245, x_1240);
+x_1246 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1245, x_1240);
 if (lean_obj_tag(x_1246) == 0)
 {
 uint8_t x_1247; 
@@ -24883,7 +29115,7 @@ lean_ctor_set(x_1293, 1, x_1278);
 lean_ctor_set(x_1293, 2, x_1290);
 lean_ctor_set(x_1293, 3, x_1291);
 lean_inc(x_1);
-x_1294 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1293, x_1288);
+x_1294 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1293, x_1288);
 if (lean_obj_tag(x_1294) == 0)
 {
 uint8_t x_1295; 
@@ -25079,7 +29311,7 @@ lean_ctor_set(x_1340, 1, x_1325);
 lean_ctor_set(x_1340, 2, x_1337);
 lean_ctor_set(x_1340, 3, x_1338);
 lean_inc(x_1);
-x_1341 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1340, x_1335);
+x_1341 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1340, x_1335);
 if (lean_obj_tag(x_1341) == 0)
 {
 uint8_t x_1342; 
@@ -25318,7 +29550,7 @@ lean_ctor_set(x_1430, 1, x_1415);
 lean_ctor_set(x_1430, 2, x_1427);
 lean_ctor_set(x_1430, 3, x_1428);
 lean_inc(x_1);
-x_1431 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1430, x_1425);
+x_1431 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1430, x_1425);
 if (lean_obj_tag(x_1431) == 0)
 {
 uint8_t x_1432; 
@@ -25513,7 +29745,7 @@ lean_ctor_set(x_1477, 1, x_1462);
 lean_ctor_set(x_1477, 2, x_1474);
 lean_ctor_set(x_1477, 3, x_1475);
 lean_inc(x_1);
-x_1478 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1477, x_1472);
+x_1478 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1477, x_1472);
 if (lean_obj_tag(x_1478) == 0)
 {
 uint8_t x_1479; 
@@ -25706,7 +29938,7 @@ lean_ctor_set(x_1524, 1, x_1509);
 lean_ctor_set(x_1524, 2, x_1521);
 lean_ctor_set(x_1524, 3, x_1522);
 lean_inc(x_1);
-x_1525 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1524, x_1519);
+x_1525 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1524, x_1519);
 if (lean_obj_tag(x_1525) == 0)
 {
 uint8_t x_1526; 
@@ -25901,7 +30133,7 @@ lean_ctor_set(x_1571, 1, x_1556);
 lean_ctor_set(x_1571, 2, x_1568);
 lean_ctor_set(x_1571, 3, x_1569);
 lean_inc(x_1);
-x_1572 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1571, x_1566);
+x_1572 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1571, x_1566);
 if (lean_obj_tag(x_1572) == 0)
 {
 uint8_t x_1573; 
@@ -26076,7 +30308,7 @@ lean_ctor_set(x_1619, 1, x_1604);
 lean_ctor_set(x_1619, 2, x_1616);
 lean_ctor_set(x_1619, 3, x_1617);
 lean_inc(x_1);
-x_1620 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1619, x_1614);
+x_1620 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1619, x_1614);
 if (lean_obj_tag(x_1620) == 0)
 {
 uint8_t x_1621; 
@@ -26272,7 +30504,7 @@ lean_ctor_set(x_1666, 1, x_1651);
 lean_ctor_set(x_1666, 2, x_1663);
 lean_ctor_set(x_1666, 3, x_1664);
 lean_inc(x_1);
-x_1667 = l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f(x_1, x_1666, x_1661);
+x_1667 = l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f(x_1, x_1666, x_1661);
 if (lean_obj_tag(x_1667) == 0)
 {
 uint8_t x_1668; 
@@ -26446,7 +30678,7 @@ x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Elab_Match_34__regTraceClasses(lean_object* x_1) {
+lean_object* l___private_Lean_Elab_Match_39__regTraceClasses(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
@@ -26706,68 +30938,92 @@ l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__2 = _init_l___p
 lean_mark_persistent(l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__2);
 l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3 = _init_l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3();
 lean_mark_persistent(l___private_Lean_Elab_Match_24__elabPatternsAux___main___closed__3);
-l___private_Lean_Elab_Match_25__elabPatterns___closed__1 = _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_25__elabPatterns___closed__1);
-l___private_Lean_Elab_Match_25__elabPatterns___closed__2 = _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_Match_25__elabPatterns___closed__2);
-l___private_Lean_Elab_Match_25__elabPatterns___closed__3 = _init_l___private_Lean_Elab_Match_25__elabPatterns___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_Match_25__elabPatterns___closed__3);
+l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1 = _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__1);
+l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2 = _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__2);
+l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3 = _init_l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Match_27__throwInvalidPattern___rarg___closed__3);
+l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1 = _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__1);
+l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2 = _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2();
+lean_mark_persistent(l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__2);
+l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3 = _init_l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_ToDepElimPattern_main___main___closed__3);
+l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1 = _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1();
+lean_mark_persistent(l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__1);
+l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2 = _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2();
+lean_mark_persistent(l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__2);
+l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3 = _init_l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3();
+lean_mark_persistent(l_Array_forMAux___main___at___private_Lean_Elab_Match_30__elabPatterns___spec__3___closed__3);
+l___private_Lean_Elab_Match_30__elabPatterns___closed__1 = _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_30__elabPatterns___closed__1);
+l___private_Lean_Elab_Match_30__elabPatterns___closed__2 = _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_30__elabPatterns___closed__2);
+l___private_Lean_Elab_Match_30__elabPatterns___closed__3 = _init_l___private_Lean_Elab_Match_30__elabPatterns___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Match_30__elabPatterns___closed__3);
 l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1 = _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__1);
 l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2 = _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__2);
+l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3 = _init_l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3();
+lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___lambda__1___closed__3);
 l_Lean_Elab_Term_elabMatchAltView___closed__1 = _init_l_Lean_Elab_Term_elabMatchAltView___closed__1();
 lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___closed__1);
 l_Lean_Elab_Term_elabMatchAltView___closed__2 = _init_l_Lean_Elab_Term_elabMatchAltView___closed__2();
 lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___closed__2);
 l_Lean_Elab_Term_elabMatchAltView___closed__3 = _init_l_Lean_Elab_Term_elabMatchAltView___closed__3();
 lean_mark_persistent(l_Lean_Elab_Term_elabMatchAltView___closed__3);
-l___private_Lean_Elab_Match_26__elabMatchCore___closed__1 = _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_26__elabMatchCore___closed__1);
-l___private_Lean_Elab_Match_26__elabMatchCore___closed__2 = _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_Match_26__elabMatchCore___closed__2);
-l___private_Lean_Elab_Match_26__elabMatchCore___closed__3 = _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_Match_26__elabMatchCore___closed__3);
-l___private_Lean_Elab_Match_26__elabMatchCore___closed__4 = _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_Match_26__elabMatchCore___closed__4);
-l___private_Lean_Elab_Match_26__elabMatchCore___closed__5 = _init_l___private_Lean_Elab_Match_26__elabMatchCore___closed__5();
-lean_mark_persistent(l___private_Lean_Elab_Match_26__elabMatchCore___closed__5);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__1);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__2);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__3);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__4);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__5);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__6);
-l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7 = _init_l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7();
-lean_mark_persistent(l___private_Lean_Elab_Match_27__mkMatchType___main___closed__7);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__1);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__2);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__3);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__4);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__5);
-l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6 = _init_l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6();
-lean_mark_persistent(l___private_Lean_Elab_Match_29__mkNewDiscrs___main___closed__6);
-l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1 = _init_l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_30__mkNewPatterns___main___closed__1);
-l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1 = _init_l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1();
-lean_mark_persistent(l___private_Lean_Elab_Match_33__expandMatchDiscr_x3f___closed__1);
+l_Lean_Elab_Term_mkMotiveType___closed__1 = _init_l_Lean_Elab_Term_mkMotiveType___closed__1();
+lean_mark_persistent(l_Lean_Elab_Term_mkMotiveType___closed__1);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__1 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__1);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__2 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__2);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__3 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__3);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__4 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__4);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__5 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__5);
+l___private_Lean_Elab_Match_31__elabMatchCore___closed__6 = _init_l___private_Lean_Elab_Match_31__elabMatchCore___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_Match_31__elabMatchCore___closed__6);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__1);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__2);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__3);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__4);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__5);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__6);
+l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7 = _init_l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7();
+lean_mark_persistent(l___private_Lean_Elab_Match_32__mkMatchType___main___closed__7);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__1);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__2);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__3);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__4);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__5);
+l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6 = _init_l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6();
+lean_mark_persistent(l___private_Lean_Elab_Match_34__mkNewDiscrs___main___closed__6);
+l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1 = _init_l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_35__mkNewPatterns___main___closed__1);
+l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1 = _init_l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1();
+lean_mark_persistent(l___private_Lean_Elab_Match_38__expandMatchDiscr_x3f___closed__1);
 l___regBuiltin_Lean_Elab_Term_elabMatch___closed__1 = _init_l___regBuiltin_Lean_Elab_Term_elabMatch___closed__1();
 lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabMatch___closed__1);
 res = l___regBuiltin_Lean_Elab_Term_elabMatch(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-res = l___private_Lean_Elab_Match_34__regTraceClasses(lean_io_mk_world());
+res = l___private_Lean_Elab_Match_39__regTraceClasses(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
 return lean_mk_io_result(lean_box(0));
diff --git a/stage0/stdlib/Lean/Elab/Quotation.c b/stage0/stdlib/Lean/Elab/Quotation.c
index d0fa95f4bf..157edab55c 100644
--- a/stage0/stdlib/Lean/Elab/Quotation.c
+++ b/stage0/stdlib/Lean/Elab/Quotation.c
@@ -122,7 +122,6 @@ lean_object* l___private_Lean_Elab_Quotation_8__letBindRhss(lean_object*, lean_o
 extern lean_object* l_String_splitAux___main___closed__1;
 lean_object* l___private_Lean_Elab_Quotation_7__getPatternVarsAux___main(lean_object*);
 lean_object* l___private_Lean_Elab_Quotation_2__quoteSyntax___main(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_unitToExpr___lambda__1___closed__3;
 lean_object* l___private_Lean_Elab_Quotation_6__compileStxMatch___main___closed__14;
 lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_Quotation_antiquotKind_x3f___boxed(lean_object*);
@@ -259,6 +258,7 @@ lean_object* l___private_Lean_Elab_Quotation_10__toPreterm___main___closed__5;
 extern lean_object* l_Lean_Unhygienic_MonadQuotation___closed__4;
 lean_object* l_Lean_Elab_Term_Quotation_isAntiquotSplicePat___boxed(lean_object*);
 lean_object* l___private_Lean_Elab_Quotation_10__toPreterm___main___lambda__3___closed__1;
+extern lean_object* l_Lean_mkThunkType___closed__1;
 lean_object* l_Lean_Elab_Term_Quotation_getAntiquotTerm(lean_object*);
 lean_object* lean_mk_empty_local_ctx(lean_object*);
 lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___lambda__4(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -267,7 +267,6 @@ lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___elambda__3___close
 lean_object* l___private_Lean_Elab_Quotation_6__compileStxMatch___main___closed__36;
 uint8_t l_Array_anyRangeMAux___main___at_Lean_Elab_Term_Quotation_isAntiquotSplicePat___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_map___main___at___private_Lean_Elab_Quotation_7__getPatternVarsAux___main___spec__1(lean_object*);
-extern lean_object* l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
 lean_object* l_Nat_repr(lean_object*);
 lean_object* l___private_Lean_Elab_Quotation_11__oldRunTermElabM___rarg___closed__5;
 lean_object* l_Lean_Elab_Term_Quotation_stxQuot_expand___closed__15;
@@ -280,6 +279,7 @@ extern lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__3;
 lean_object* l___private_Lean_Elab_Quotation_10__toPreterm___main___lambda__3___closed__2;
 lean_object* l_List_foldl___main___at___private_Lean_Elab_Quotation_10__toPreterm___main___spec__7(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Quotation_10__toPreterm___main___lambda__1___closed__1;
+extern lean_object* l_Lean_unitToExpr___lambda__1___closed__1;
 lean_object* l_Lean_Syntax_getId(lean_object*);
 lean_object* l_List_foldl___main___at___private_Lean_Elab_Quotation_10__toPreterm___main___spec__14(lean_object*, lean_object*, lean_object*);
 lean_object* lean_get_antiquot_vars(lean_object*, lean_object*);
@@ -14687,9 +14687,9 @@ else
 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_dec(x_156);
 lean_dec(x_2);
-x_162 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_162 = l_Lean_mkThunkType___closed__1;
 x_163 = lean_name_mk_string(x_41, x_162);
-x_164 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_164 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_165 = lean_name_mk_string(x_163, x_164);
 x_166 = lean_box(0);
 x_167 = l_Lean_mkConst(x_165, x_166);
@@ -16773,9 +16773,9 @@ else
 lean_object* x_733; lean_object* x_734; lean_object* x_735; lean_object* x_736; lean_object* x_737; lean_object* x_738; lean_object* x_739; 
 lean_dec(x_727);
 lean_dec(x_2);
-x_733 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_733 = l_Lean_mkThunkType___closed__1;
 x_734 = lean_name_mk_string(x_41, x_733);
-x_735 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_735 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_736 = lean_name_mk_string(x_734, x_735);
 x_737 = lean_box(0);
 x_738 = l_Lean_mkConst(x_736, x_737);
@@ -18546,9 +18546,9 @@ else
 lean_object* x_1190; lean_object* x_1191; lean_object* x_1192; lean_object* x_1193; lean_object* x_1194; lean_object* x_1195; lean_object* x_1196; 
 lean_dec(x_1184);
 lean_dec(x_2);
-x_1190 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_1190 = l_Lean_mkThunkType___closed__1;
 x_1191 = lean_name_mk_string(x_41, x_1190);
-x_1192 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_1192 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_1193 = lean_name_mk_string(x_1191, x_1192);
 x_1194 = lean_box(0);
 x_1195 = l_Lean_mkConst(x_1193, x_1194);
@@ -20352,9 +20352,9 @@ else
 lean_object* x_1653; lean_object* x_1654; lean_object* x_1655; lean_object* x_1656; lean_object* x_1657; lean_object* x_1658; lean_object* x_1659; 
 lean_dec(x_1647);
 lean_dec(x_2);
-x_1653 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_1653 = l_Lean_mkThunkType___closed__1;
 x_1654 = lean_name_mk_string(x_41, x_1653);
-x_1655 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_1655 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_1656 = lean_name_mk_string(x_1654, x_1655);
 x_1657 = lean_box(0);
 x_1658 = l_Lean_mkConst(x_1656, x_1657);
@@ -22190,9 +22190,9 @@ else
 lean_object* x_2123; lean_object* x_2124; lean_object* x_2125; lean_object* x_2126; lean_object* x_2127; lean_object* x_2128; lean_object* x_2129; 
 lean_dec(x_2117);
 lean_dec(x_2);
-x_2123 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_2123 = l_Lean_mkThunkType___closed__1;
 x_2124 = lean_name_mk_string(x_41, x_2123);
-x_2125 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_2125 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_2126 = lean_name_mk_string(x_2124, x_2125);
 x_2127 = lean_box(0);
 x_2128 = l_Lean_mkConst(x_2126, x_2127);
@@ -24304,9 +24304,9 @@ else
 lean_object* x_2636; lean_object* x_2637; lean_object* x_2638; lean_object* x_2639; lean_object* x_2640; lean_object* x_2641; lean_object* x_2642; 
 lean_dec(x_2630);
 lean_dec(x_2484);
-x_2636 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
+x_2636 = l_Lean_mkThunkType___closed__1;
 x_2637 = lean_name_mk_string(x_2505, x_2636);
-x_2638 = l_Lean_unitToExpr___lambda__1___closed__3;
+x_2638 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_2639 = lean_name_mk_string(x_2637, x_2638);
 x_2640 = lean_box(0);
 x_2641 = l_Lean_mkConst(x_2639, x_2640);
diff --git a/stage0/stdlib/Lean/Elab/StructInst.c b/stage0/stdlib/Lean/Elab/StructInst.c
index 43bfec9710..c6fc9a75bc 100644
--- a/stage0/stdlib/Lean/Elab/StructInst.c
+++ b/stage0/stdlib/Lean/Elab/StructInst.c
@@ -96,6 +96,7 @@ extern lean_object* l___private_Lean_Elab_Quotation_4__getHeadInfo___elambda__3_
 lean_object* l_Std_HashMapImp_moveEntries___main___at___private_Lean_Elab_StructInst_12__mkFieldMap___spec__6(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_append___rarg(lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Lean_Elab_StructInst_19__expandStruct___main___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* l_Lean_annotation_x3f(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_StructInst_5__getStructName___rarg___closed__1;
 uint8_t l_Lean_Expr_isApp(lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_formatStruct___main___closed__5;
@@ -141,6 +142,7 @@ extern lean_object* l_Id_monad;
 lean_object* l_List_foldlM___main___at___private_Lean_Elab_StructInst_24__elabStruct___main___spec__1___closed__1;
 lean_object* l_Lean_Expr_appArg_x21(lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_mkDefaultValueAux_x3f(lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__1;
 lean_object* l_List_map___main___at___private_Lean_Elab_StructInst_19__expandStruct___main___spec__2(lean_object*);
 lean_object* lean_string_utf8_byte_size(lean_object*);
 lean_object* l_List_head_x21___rarg(lean_object*, lean_object*);
@@ -187,16 +189,15 @@ lean_object* l_Lean_Elab_Term_StructInst_Source_isNone___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_Struct_inhabited;
 lean_object* l_List_mapM___main___at___private_Lean_Elab_StructInst_9__expandNumLitFields___spec__1___closed__6;
 lean_object* l_Std_HashMapImp_find_x3f___at___private_Lean_Elab_StructInst_12__mkFieldMap___spec__1___boxed(lean_object*, lean_object*);
-extern lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__2;
 lean_object* l_Lean_Elab_Term_StructInst_Struct_structName(lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgsAux___main(lean_object*, lean_object*);
 uint8_t lean_metavar_ctx_is_expr_assigned(lean_object*, lean_object*);
+lean_object* l_Lean_Elab_Term_StructInst_defaultMissing_x3f___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_mkDefaultValueAux_x3f___main(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_StructInst_25__elabStructInstAux___closed__2;
 lean_object* l___private_Lean_Elab_StructInst_17__groupFields___lambda__4(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_StructInst_DefaultFields_propagateLoop___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_StructInst_25__elabStructInstAux___closed__4;
-lean_object* l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f___boxed(lean_object*);
 lean_object* l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_iterateMAux___main___at___private_Lean_Elab_StructInst_19__expandStruct___main___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* l_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___main___closed__1;
@@ -286,6 +287,7 @@ lean_object* l_Array_foldlStepMAux___main___at___private_Lean_Elab_StructInst_3_
 lean_object* l_Lean_Elab_Term_StructInst_findField_x3f(lean_object*, lean_object*);
 extern lean_object* l_Lean_Options_empty;
 lean_object* lean_expr_dbg_to_string(lean_object*);
+lean_object* l_Lean_Elab_Term_StructInst_defaultMissing_x3f(lean_object*);
 lean_object* l_Lean_getPathToBaseStructure_x3f(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_mapM___main___at___private_Lean_Elab_StructInst_9__expandNumLitFields___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
@@ -356,7 +358,6 @@ size_t lean_ptr_addr(lean_object*);
 lean_object* l_Array_foldlStepMAux___main___at___private_Lean_Elab_StructInst_3__isModifyOp_x3f___spec__1___closed__3;
 lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop___main___closed__3;
 lean_object* lean_instantiate_value_lparams(lean_object*, lean_object*);
-lean_object* l_Lean_isAnnotation_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_throwFailedToElabField___rarg___closed__2;
 lean_object* l_Lean_Elab_Term_StructInst_formatField___closed__1;
 lean_object* l_Lean_Elab_Term_setMCtx(lean_object*, lean_object*, lean_object*);
@@ -434,7 +435,6 @@ lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_propagateLoop(lean_object
 extern lean_object* l_PUnit_Inhabited;
 extern lean_object* l_Lean_mkOptionalNode___closed__1;
 lean_object* l___private_Lean_Elab_StructInst_17__groupFields___lambda__3___closed__1;
-lean_object* l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(lean_object*);
 lean_object* l_Lean_Elab_Term_StructInst_elabStructInst___closed__3;
 lean_object* l_Lean_Elab_Term_StructInst_DefaultFields_findDefaultMissing_x3f___main___boxed(lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_expand___at___private_Lean_Elab_StructInst_12__mkFieldMap___spec__5(lean_object*, lean_object*);
@@ -2486,7 +2486,7 @@ lean_ctor_set(x_69, 1, x_67);
 lean_ctor_set(x_69, 2, x_66);
 lean_ctor_set(x_69, 3, x_68);
 x_70 = lean_array_push(x_64, x_69);
-x_71 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_71 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_72 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_72, 0, x_71);
 lean_ctor_set(x_72, 1, x_70);
@@ -2715,7 +2715,7 @@ lean_ctor_set(x_206, 1, x_204);
 lean_ctor_set(x_206, 2, x_201);
 lean_ctor_set(x_206, 3, x_205);
 x_207 = lean_array_push(x_199, x_206);
-x_208 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_208 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_209 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_209, 0, x_208);
 lean_ctor_set(x_209, 1, x_207);
@@ -12733,7 +12733,7 @@ x_6 = l___private_Lean_Meta_EqnCompiler_CaseArraySizes_2__introArrayLitAux___mai
 x_7 = lean_array_push(x_6, x_1);
 x_8 = lean_array_push(x_7, x_4);
 x_9 = lean_array_push(x_8, x_5);
-x_10 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_10 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_11 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_11, 0, x_10);
 lean_ctor_set(x_11, 1, x_9);
@@ -16952,20 +16952,20 @@ x_3 = l_Lean_mkAnnotation(x_2, x_1);
 return x_3;
 }
 }
-lean_object* l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(lean_object* x_1) {
+lean_object* l_Lean_Elab_Term_StructInst_defaultMissing_x3f(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
 x_2 = l_Lean_Elab_Term_StructInst_markDefaultMissing___closed__2;
-x_3 = l_Lean_isAnnotation_x3f(x_2, x_1);
+x_3 = l_Lean_annotation_x3f(x_2, x_1);
 return x_3;
 }
 }
-lean_object* l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f___boxed(lean_object* x_1) {
+lean_object* l_Lean_Elab_Term_StructInst_defaultMissing_x3f___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_1);
+x_2 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_1);
 lean_dec(x_1);
 return x_2;
 }
@@ -21199,7 +21199,7 @@ lean_object* x_7; lean_object* x_8;
 x_7 = lean_ctor_get(x_4, 0);
 lean_inc(x_7);
 lean_dec(x_4);
-x_8 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_7);
+x_8 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_7);
 lean_dec(x_7);
 if (lean_obj_tag(x_8) == 0)
 {
@@ -22566,7 +22566,7 @@ if (x_69 == 0)
 {
 lean_object* x_70; lean_object* x_71; 
 x_70 = lean_ctor_get(x_68, 0);
-x_71 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_2);
+x_71 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_2);
 if (lean_obj_tag(x_71) == 0)
 {
 lean_object* x_72; 
@@ -22601,7 +22601,7 @@ x_76 = lean_ctor_get(x_68, 1);
 lean_inc(x_76);
 lean_inc(x_75);
 lean_dec(x_68);
-x_77 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_2);
+x_77 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_2);
 if (lean_obj_tag(x_77) == 0)
 {
 lean_object* x_78; lean_object* x_79; 
@@ -22832,7 +22832,7 @@ block_98:
 if (x_4 == 0)
 {
 lean_object* x_6; 
-x_6 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_2);
+x_6 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_2);
 if (lean_obj_tag(x_6) == 0)
 {
 switch (lean_obj_tag(x_2)) {
@@ -24128,7 +24128,7 @@ lean_dec(x_2);
 x_13 = lean_ctor_get(x_8, 0);
 lean_inc(x_13);
 lean_dec(x_8);
-x_14 = l_Lean_Elab_Term_StructInst_isDefaultMissing_x3f(x_13);
+x_14 = l_Lean_Elab_Term_StructInst_defaultMissing_x3f(x_13);
 lean_dec(x_13);
 if (lean_obj_tag(x_14) == 0)
 {
diff --git a/stage0/stdlib/Lean/Elab/Structure.c b/stage0/stdlib/Lean/Elab/Structure.c
index 3f33c34580..344d0e38a7 100644
--- a/stage0/stdlib/Lean/Elab/Structure.c
+++ b/stage0/stdlib/Lean/Elab/Structure.c
@@ -30,6 +30,7 @@ lean_object* l___private_Lean_Elab_Structure_10__withFields___main___rarg___clos
 lean_object* l___private_Lean_Elab_Structure_23__addCtorFields___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Command_StructFieldInfo_inhabited;
 lean_object* l_Lean_Name_eraseMacroScopes(lean_object*);
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_object* l___private_Lean_Elab_Structure_28__mkAuxConstructions___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_map___main___at___private_Lean_Elab_Structure_25__elabStructureView___spec__2(lean_object*);
 lean_object* l_Lean_Elab_Command_addDecl(lean_object*, lean_object*, lean_object*);
@@ -122,7 +123,6 @@ extern lean_object* l_Lean_Expr_Inhabited___closed__1;
 uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Structure_8__processSubfields(lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Structure_15__levelMVarToParamFVars___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
 extern lean_object* l_Lean_Parser_Term_type___elambda__1___closed__5;
 uint8_t l_Lean_Elab_Command_StructFieldInfo_isSubobject(lean_object*);
 lean_object* l_Lean_Elab_Term_getLevel(lean_object*, lean_object*, lean_object*);
@@ -8042,7 +8042,7 @@ _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_unsigned_to_nat(0u);
-x_7 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
+x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1;
 lean_inc(x_4);
 x_8 = l_Array_iterateMAux___main___at___private_Lean_Elab_Structure_21__collectLevelParamsInFVars___spec__1(x_1, x_1, x_6, x_7, x_4, x_5);
 if (lean_obj_tag(x_8) == 0)
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Basic.c b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
index 9fc142ad25..5666dcf2aa 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Basic.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Basic.c
@@ -361,7 +361,6 @@ lean_object* l_Lean_Elab_Tactic_logTrace(lean_object*, lean_object*, lean_object
 lean_object* l_Lean_Elab_Tactic_evalFailIfSuccess(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_evalChoiceAux(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_withFreshMacroScope___rarg(lean_object*, lean_object*, lean_object*);
-lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_throwError(lean_object*);
 lean_object* l_Lean_Syntax_getPos(lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Tactic_evalParen___closed__1;
@@ -380,6 +379,7 @@ lean_object* l_Lean_Elab_Tactic_adaptExpander(lean_object*, lean_object*, lean_o
 lean_object* l_Lean_Elab_Tactic_throwErrorAt___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_focusAux___rarg(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Tactic_Basic_3__getIntrosSize(lean_object*);
+lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getFVarIds(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_log___at_Lean_Elab_Tactic_evalTraceState___spec__1(uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Tactic_getEnv___rarg(lean_object*);
@@ -16045,7 +16045,7 @@ lean_dec(x_14);
 x_20 = lean_ctor_get(x_15, 0);
 lean_inc(x_20);
 lean_dec(x_15);
-x_21 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_12, x_20);
+x_21 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_12, x_20);
 x_22 = lean_box(0);
 x_23 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_23, 0, x_20);
diff --git a/stage0/stdlib/Lean/Elab/Tactic/Induction.c b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
index c75dc7e2f0..e33090cb39 100644
--- a/stage0/stdlib/Lean/Elab/Tactic/Induction.c
+++ b/stage0/stdlib/Lean/Elab/Tactic/Induction.c
@@ -34,6 +34,7 @@ lean_object* l___private_Lean_Elab_Tactic_Induction_18__checkCasesResult(lean_ob
 lean_object* l___private_Lean_Elab_Tactic_Induction_13__getRecInfoDefault___closed__2;
 lean_object* l_Lean_Elab_Tactic_getRecFromUsing___closed__3;
 lean_object* l___private_Lean_Elab_Tactic_Induction_13__getRecInfoDefault___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_mkThunk___closed__1;
 lean_object* l___private_Lean_Elab_Tactic_Induction_18__checkCasesResult___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_eraseIdx___rarg(lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Tactic_Induction_11__checkAltCtorNames___spec__2___closed__2;
@@ -147,7 +148,6 @@ lean_object* l___private_Lean_Elab_Tactic_Induction_6__generalizeVars___lambda__
 lean_object* l___private_Lean_Elab_Tactic_Induction_4__generalizeMajor___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_forMAux___main___at___private_Lean_Elab_Tactic_Induction_11__checkAltCtorNames___spec__2___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Tactic_Induction_17__checkCasesResultAux(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_Meta_mkAuxName___closed__1;
 lean_object* l_Lean_Meta_mkRecursorInfo(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Tactic_Induction_6__generalizeVars___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_List_foldr___main___at___private_Lean_Elab_Tactic_Induction_11__checkAltCtorNames___spec__1(lean_object*, uint8_t, lean_object*);
@@ -1465,7 +1465,7 @@ lean_inc(x_13);
 x_14 = lean_alloc_closure((void*)(l_Array_forMAux___main___at___private_Lean_Elab_Tactic_Induction_11__checkAltCtorNames___spec__2___lambda__1___boxed), 3, 2);
 lean_closure_set(x_14, 0, x_13);
 lean_closure_set(x_14, 1, x_10);
-x_15 = l_Lean_Meta_mkAuxName___closed__1;
+x_15 = l_Lean_mkThunk___closed__1;
 x_16 = lean_name_eq(x_13, x_15);
 x_17 = lean_ctor_get(x_4, 0);
 lean_inc(x_17);
@@ -6667,7 +6667,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9;
 x_6 = lean_array_fget(x_1, x_2);
 x_7 = l___private_Lean_Elab_Tactic_Induction_8__getAltName(x_6);
 lean_dec(x_6);
-x_8 = l_Lean_Meta_mkAuxName___closed__1;
+x_8 = l_Lean_mkThunk___closed__1;
 x_9 = lean_name_eq(x_7, x_8);
 lean_dec(x_7);
 if (x_9 == 0)
diff --git a/stage0/stdlib/Lean/Elab/Term.c b/stage0/stdlib/Lean/Elab/Term.c
index d1a161ad32..f6bd19ed63 100644
--- a/stage0/stdlib/Lean/Elab/Term.c
+++ b/stage0/stdlib/Lean/Elab/Term.c
@@ -134,7 +134,6 @@ lean_object* l_Lean_Elab_Term_getDecLevel(lean_object*, lean_object*, lean_objec
 lean_object* l_Lean_Elab_Term_monadQuotation___closed__2;
 lean_object* l_Lean_Meta_instantiateLevelMVars(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkIdentFrom(lean_object*, lean_object*);
-extern lean_object* l_Lean_Parser_declareBuiltinParser___closed__3;
 lean_object* l_Lean_Elab_Term_withoutPostponing(lean_object*);
 lean_object* l_Lean_Elab_Term_synthesizeInstMVarCore___closed__13;
 lean_object* l_Lean_Elab_Term_decLevel(lean_object*, lean_object*, lean_object*);
@@ -199,13 +198,11 @@ extern lean_object* l_Lean_Parser_Term_tupleTail___elambda__1___closed__2;
 lean_object* l___regBuiltin_Lean_Elab_Term_elabTypeStx(lean_object*);
 lean_object* l_Lean_Elab_Term_dbgTrace___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabRawStrLit___closed__3;
-extern lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__2;
 lean_object* l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_withLetDecl___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_assignExprMVar(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_getMainModule___rarg(lean_object*);
 lean_object* l_Lean_Elab_Term_Exception_hasToString(lean_object*);
-lean_object* l_Lean_Elab_Term_elabParen___closed__5;
 lean_object* l_Lean_Elab_Term_mkTermElabAttribute___closed__5;
 extern lean_object* l_Lean_LocalContext_Inhabited___closed__1;
 lean_object* l_Lean_Elab_Term_resolveName___closed__5;
@@ -277,7 +274,7 @@ lean_object* l_Lean_Elab_Term_tryCoe(lean_object*, lean_object*, lean_object*, l
 lean_object* l___private_Lean_Elab_Term_17__elabOptLevel___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Term_18__mkPairsAux___main___closed__3;
 lean_object* l_Lean_Elab_Term_tryPostponeIfNoneOrMVar(lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_elabParen___closed__4;
+extern lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_throwErrorAt(lean_object*);
 lean_object* l_Lean_Elab_Term_elabLevel(lean_object*, lean_object*, lean_object*);
 lean_object* l___regBuiltin_Lean_Elab_Term_elabNamedHole(lean_object*);
@@ -475,6 +472,7 @@ lean_object* l_Lean_Elab_Term_mkFreshFVarId(lean_object*);
 lean_object* l_Lean_Elab_Term_elabTermAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_elabLevel___boxed(lean_object*, lean_object*, lean_object*);
 size_t lean_usize_modn(size_t, lean_object*);
+extern lean_object* l_Lean_charToExpr___lambda__1___closed__1;
 lean_object* l_Lean_Elab_Term_expandCDot_x3f___closed__2;
 lean_object* l_Lean_SMap_find_x3f___at_Lean_Elab_Term_elabUsingElabFns___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_expandArrayLit___closed__4;
@@ -484,7 +482,6 @@ lean_object* l_Lean_FileMap_toPosition(lean_object*, lean_object*);
 extern lean_object* l_Lean_KernelException_toMessageData___closed__15;
 lean_object* l_Lean_Elab_Term_liftLevelM(lean_object*);
 lean_object* l_Lean_Elab_Term_elabProp(lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_charToExpr___lambda__1___closed__2;
 lean_object* l_Lean_Elab_Term_resolveName___closed__8;
 lean_object* l_Lean_Elab_addMacroStack(lean_object*, lean_object*);
 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
@@ -633,7 +630,6 @@ lean_object* l_Lean_Elab_Term_withTransparency___rarg___boxed(lean_object*, lean
 lean_object* l_Lean_Meta_isLevelDefEq(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_assignLevelMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l___private_Lean_Elab_Term_12__isExplicit(lean_object*);
-extern lean_object* l_Lean_Meta_evalNat___main___closed__9;
 lean_object* lean_metavar_ctx_assign_level(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Term_11__elabUsingElabFnsAux(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_tryLiftAndCoe___closed__6;
@@ -784,7 +780,6 @@ lean_object* l___private_Lean_Elab_Term_11__elabUsingElabFnsAux___main___closed_
 lean_object* l___private_Lean_Elab_Term_24__regTraceClasses(lean_object*);
 lean_object* lean_compile_decl(lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Lean_Meta_resettingSynthInstanceCache___rarg___closed__1;
-lean_object* l_Lean_Elab_Term_elabRawCharLit___closed__1;
 lean_object* l_Lean_MetavarContext_getDecl(lean_object*, lean_object*);
 lean_object* l_Lean_Syntax_formatStxAux___main(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Elab_Term_resetSynthInstanceCache___boxed(lean_object*);
@@ -824,7 +819,6 @@ lean_object* l___private_Lean_Elab_Term_18__mkPairsAux___main___boxed(lean_objec
 lean_object* l_Lean_Elab_Term_Lean_Elab_MonadMacroAdapter___closed__8;
 lean_object* l_Lean_Elab_Term_trace(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t l_Array_isEqvAux___main___at_Lean_Elab_Term_withLocalContext___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Elab_Term_elabRawCharLit___closed__2;
 lean_object* l_Lean_Elab_Term_mkFreshInstanceName___boxed(lean_object*);
 lean_object* l_Lean_Meta_mkFreshExprMVarWithId(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Lean_Elab_Term_11__elabUsingElabFnsAux___main___closed__2;
@@ -27452,7 +27446,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_Elab_Term_termElabAttribute;
-x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_4 = l___regBuiltin_Lean_Elab_Term_elabSort___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -28334,26 +28328,6 @@ lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l_Lean_Elab_Term_elabParen___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Parser_declareBuiltinParser___closed__3;
-x_2 = l_Lean_unitToExpr___lambda__1___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Elab_Term_elabParen___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Elab_Term_elabParen___closed__4;
-x_3 = l_Lean_mkConst(x_2, x_1);
-return x_3;
-}
-}
 lean_object* l_Lean_Elab_Term_elabParen(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -28504,7 +28478,7 @@ lean_dec(x_36);
 lean_dec(x_3);
 lean_dec(x_2);
 lean_dec(x_1);
-x_146 = l_Lean_Elab_Term_elabParen___closed__5;
+x_146 = l_Lean_unitToExpr___lambda__1___closed__3;
 x_147 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_147, 0, x_146);
 lean_ctor_set(x_147, 1, x_4);
@@ -30694,7 +30668,7 @@ 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_25, 0);
-x_28 = l_Lean_Meta_evalNat___main___closed__9;
+x_28 = l_Lean_Meta_evalNat___main___closed__8;
 x_29 = l_Lean_mkConst(x_28, x_21);
 x_30 = l_Lean_mkApp3(x_29, x_10, x_27, x_5);
 lean_ctor_set(x_25, 0, x_30);
@@ -30708,7 +30682,7 @@ x_32 = lean_ctor_get(x_25, 1);
 lean_inc(x_32);
 lean_inc(x_31);
 lean_dec(x_25);
-x_33 = l_Lean_Meta_evalNat___main___closed__9;
+x_33 = l_Lean_Meta_evalNat___main___closed__8;
 x_34 = l_Lean_mkConst(x_33, x_21);
 x_35 = l_Lean_mkApp3(x_34, x_10, x_31, x_5);
 x_36 = lean_alloc_ctor(0, 2, 0);
@@ -30865,26 +30839,6 @@ x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
 }
 }
-lean_object* _init_l_Lean_Elab_Term_elabRawCharLit___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_charToExpr___lambda__1___closed__2;
-x_2 = l_Lean_Meta_evalNat___main___closed__8;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Elab_Term_elabRawCharLit___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_elabRawCharLit___closed__1;
-x_3 = l_Lean_mkConst(x_2, x_1);
-return x_3;
-}
-}
 lean_object* l_Lean_Elab_Term_elabRawCharLit(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -30908,7 +30862,7 @@ x_9 = lean_unbox_uint32(x_8);
 lean_dec(x_8);
 x_10 = lean_uint32_to_nat(x_9);
 x_11 = l_Lean_mkNatLit(x_10);
-x_12 = l_Lean_Elab_Term_elabRawCharLit___closed__2;
+x_12 = l_Lean_charToExpr___lambda__1___closed__1;
 x_13 = l_Lean_mkApp(x_12, x_11);
 x_14 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_14, 0, x_13);
@@ -31977,10 +31931,6 @@ l_Lean_Elab_Term_elabParen___closed__2 = _init_l_Lean_Elab_Term_elabParen___clos
 lean_mark_persistent(l_Lean_Elab_Term_elabParen___closed__2);
 l_Lean_Elab_Term_elabParen___closed__3 = _init_l_Lean_Elab_Term_elabParen___closed__3();
 lean_mark_persistent(l_Lean_Elab_Term_elabParen___closed__3);
-l_Lean_Elab_Term_elabParen___closed__4 = _init_l_Lean_Elab_Term_elabParen___closed__4();
-lean_mark_persistent(l_Lean_Elab_Term_elabParen___closed__4);
-l_Lean_Elab_Term_elabParen___closed__5 = _init_l_Lean_Elab_Term_elabParen___closed__5();
-lean_mark_persistent(l_Lean_Elab_Term_elabParen___closed__5);
 l___regBuiltin_Lean_Elab_Term_elabParen___closed__1 = _init_l___regBuiltin_Lean_Elab_Term_elabParen___closed__1();
 lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabParen___closed__1);
 res = l___regBuiltin_Lean_Elab_Term_elabParen(lean_io_mk_world());
@@ -32081,10 +32031,6 @@ lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabNum___closed__1);
 res = l___regBuiltin_Lean_Elab_Term_elabNum(lean_io_mk_world());
 if (lean_io_result_is_error(res)) return res;
 lean_dec_ref(res);
-l_Lean_Elab_Term_elabRawCharLit___closed__1 = _init_l_Lean_Elab_Term_elabRawCharLit___closed__1();
-lean_mark_persistent(l_Lean_Elab_Term_elabRawCharLit___closed__1);
-l_Lean_Elab_Term_elabRawCharLit___closed__2 = _init_l_Lean_Elab_Term_elabRawCharLit___closed__2();
-lean_mark_persistent(l_Lean_Elab_Term_elabRawCharLit___closed__2);
 l___regBuiltin_Lean_Elab_Term_elabRawCharLit___closed__1 = _init_l___regBuiltin_Lean_Elab_Term_elabRawCharLit___closed__1();
 lean_mark_persistent(l___regBuiltin_Lean_Elab_Term_elabRawCharLit___closed__1);
 res = l___regBuiltin_Lean_Elab_Term_elabRawCharLit(lean_io_mk_world());
diff --git a/stage0/stdlib/Lean/Expr.c b/stage0/stdlib/Lean/Expr.c
index 51f084efae..c7300e4d93 100644
--- a/stage0/stdlib/Lean/Expr.c
+++ b/stage0/stdlib/Lean/Expr.c
@@ -15,6 +15,8 @@ extern "C" {
 #endif
 lean_object* l_Lean_Expr_isBinding___boxed(lean_object*);
 lean_object* l_Lean_Expr_letName_x21___closed__2;
+extern lean_object* l_Lean_mkHole___closed__3;
+lean_object* l_Lean_Expr_ctorName___closed__7;
 lean_object* l___private_Lean_Expr_8__etaExpandedBody(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_bindingInfo_x21(lean_object*);
 lean_object* l_Lean_Expr_updateSort___boxed(lean_object*, lean_object*, lean_object*);
@@ -26,10 +28,12 @@ lean_object* l_Lean_Expr_Data_hash___boxed(lean_object*);
 lean_object* l_List_hash___at_Lean_mkConst___spec__1___boxed(lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* l_Lean_Expr_bindingDomain_x21___boxed(lean_object*);
+uint8_t l_Lean_Expr_isCharLit(lean_object*);
 lean_object* l_Lean_Expr_letName_x21(lean_object*);
 uint8_t l_Lean_Expr_isNatLit(lean_object*);
 lean_object* l_Lean_Name_eraseMacroScopes(lean_object*);
 lean_object* l_Lean_Expr_replaceFVar___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkThunkType___closed__2;
 lean_object* l_Lean_Expr_updateLambda___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppNumArgs___boxed(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
@@ -46,6 +50,7 @@ lean_object* l_Lean_Expr_updateConst___boxed(lean_object*, lean_object*, lean_ob
 lean_object* l_Lean_mkDecIsTrue___closed__3;
 lean_object* l_unreachable_x21___rarg(lean_object*);
 lean_object* l_Lean_Expr_withApp(lean_object*);
+lean_object* l_Lean_mkThunk___closed__1;
 size_t l_UInt32_toUSize(uint32_t);
 lean_object* l_Lean_mkApp6(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_eqv___boxed(lean_object*, lean_object*);
@@ -76,6 +81,7 @@ lean_object* l_Lean_Expr_isOptParam___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateMData_x21___closed__1;
 lean_object* l_List_map___main___at_Lean_Expr_instantiateLevelParams___spec__4(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkForallEx___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkThunkType(lean_object*);
 lean_object* l_Lean_Expr_Data_hasBeq___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_mkLambda___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAutoParamTactic_x3f(lean_object*);
@@ -95,6 +101,7 @@ lean_object* l___private_Lean_Expr_2__mkAppRangeAux___boxed(lean_object*, lean_o
 lean_object* l___private_Lean_Expr_5__withAppRevAux(lean_object*);
 lean_object* l_Lean_ExprStructEq_Hashable;
 lean_object* l___private_Init_Util_1__mkPanicMessage(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__1;
 lean_object* l_Lean_Expr_instantiateLevelParamsArray(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getAppFn___main___boxed(lean_object*);
 lean_object* l_Lean_Expr_constName_x21___closed__1;
@@ -105,16 +112,20 @@ lean_object* l_Lean_Expr_constName_x21___boxed(lean_object*);
 lean_object* l___private_Lean_Expr_8__etaExpandedBody___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_withAppRev___rarg(lean_object*, lean_object*);
 uint64_t l_Lean_Expr_mkData___closed__3;
+lean_object* l_Lean_annotation_x3f___boxed(lean_object*, lean_object*);
 uint64_t l_Lean_Expr_mkDataForBinder(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uint8_t, uint8_t);
 lean_object* lean_expr_mk_local(lean_object*, lean_object*, lean_object*, uint8_t);
+lean_object* l_Lean_annotation_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_constName_x3f___boxed(lean_object*);
 lean_object* l_Lean_Expr_binderInfoEx___boxed(lean_object*);
 lean_object* l_Lean_Expr_InstantiateLevelParams_instantiate___main___at_Lean_Expr_instantiateLevelParams___spec__1(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isApp(lean_object*);
 lean_object* l_Lean_Expr_Data_binderInfo___boxed(lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__2;
 uint8_t l_Lean_Expr_hasLooseBVarInExplicitDomain(lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_Expr_hasFVarEx___boxed(lean_object*);
 size_t l_Lean_Level_hash(lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__8;
 lean_object* l_Lean_Expr_lt___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_updateLet___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_appFn_x21(lean_object*);
@@ -125,6 +136,7 @@ uint8_t l_Lean_Expr_isAppOf(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mvarId_x21___closed__2;
 lean_object* l_Lean_BinderInfo_toUInt64___boxed(lean_object*);
 lean_object* l_Lean_Expr_bindingBody_x21___closed__1;
+lean_object* l_Lean_Expr_ctorName___closed__4;
 uint8_t l_Lean_Expr_isBVar(lean_object*);
 lean_object* lean_expr_instantiate1(lean_object*, lean_object*);
 lean_object* l_Lean_Literal_type___closed__3;
@@ -153,6 +165,7 @@ uint8_t lean_expr_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getRevArg_x21(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_letName_x21___closed__1;
 lean_object* l_Lean_Expr_isAppOfArity___main___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_mkThunkType___closed__3;
 lean_object* l_Lean_BinderInfo_hashable___closed__1;
 lean_object* l_Lean_Expr_letName_x21___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateForall_x21(lean_object*, uint8_t, lean_object*, lean_object*);
@@ -160,10 +173,12 @@ lean_object* l_Lean_Expr_looseBVarRange___boxed(lean_object*);
 lean_object* l___private_Lean_Expr_9__etaExpandedAux(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_mkDataForBinder___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_BinderInfo_hash___boxed(lean_object*);
+lean_object* l_Lean_Expr_ctorName___boxed(lean_object*);
 lean_object* lean_expr_mk_forall(lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* lean_expr_instantiate(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_bindingName_x21___closed__2;
 extern lean_object* l_Lean_levelZero;
+extern lean_object* l_Lean_mkAppStx___closed__7;
 lean_object* lean_nat_add(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_hasExprMVarEx___boxed(lean_object*);
 lean_object* l_Lean_ExprStructEq_HasRepr(lean_object*);
@@ -176,6 +191,7 @@ lean_object* l_Lean_Expr_getAppFn___boxed(lean_object*);
 lean_object* l_List_foldr___main___at_Lean_mkConst___spec__3___boxed(lean_object*, lean_object*);
 uint8_t lean_expr_has_loose_bvar(lean_object*, lean_object*);
 lean_object* l_Lean_mkAppN(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_natLit_x3f___boxed(lean_object*);
 lean_object* l_Lean_mkMData(lean_object*, lean_object*);
 size_t l_List_hash___at_Lean_mkConst___spec__1(lean_object*);
 lean_object* l_Lean_Level_instantiateParams___main___at_Lean_Expr_instantiateLevelParams___spec__3(lean_object*, lean_object*, lean_object*);
@@ -226,6 +242,7 @@ uint8_t lean_expr_has_mvar(lean_object*);
 uint8_t l_Lean_KVMap_getBool(lean_object*, lean_object*, uint8_t);
 lean_object* l_List_map___main___at_Lean_Expr_instantiateLevelParamsArray___spec__4(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Literal_beq(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__5;
 lean_object* l_Lean_Level_instantiateParams___main___at_Lean_Expr_instantiateLevelParams___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_replaceFVar(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_headBeta(lean_object*);
@@ -247,6 +264,7 @@ uint8_t l_Lean_Expr_isHeadBetaTarget(lean_object*);
 uint8_t l_Lean_Expr_isBinding(lean_object*);
 lean_object* l_Lean_Expr_bindingBody_x21___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateProj_x21(lean_object*, lean_object*);
+lean_object* l_Lean_mkThunkType___closed__1;
 lean_object* l_Lean_mkDecIsTrue___closed__1;
 lean_object* l_Lean_BinderInfo_beq___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_instantiateLevelParams(lean_object*, lean_object*, lean_object*);
@@ -275,9 +293,12 @@ lean_object* l_Lean_Expr_getArg_x21___boxed(lean_object*, lean_object*, lean_obj
 lean_object* l_Lean_Expr_bindingDomain_x21___closed__1;
 lean_object* l_Lean_KVMap_insertCore___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_InstantiateLevelParams_instantiate(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__3;
+lean_object* l_Lean_Expr_natLit_x3f(lean_object*);
 lean_object* lean_expr_mk_const(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_1__Expr_mkDataCore___closed__2;
 lean_object* l_Lean_mkAppRange(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_isCharLit___closed__3;
 lean_object* l_Lean_Literal_type___closed__4;
 lean_object* l_Lean_mkDecIsTrue___closed__4;
 lean_object* lean_expr_mk_lit(lean_object*);
@@ -332,6 +353,7 @@ lean_object* l_Lean_Expr_getAutoParamTactic_x3f___closed__2;
 lean_object* l_Lean_Level_instantiateParams___main(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isLambda(lean_object*);
 lean_object* l_Lean_Expr_updateSort_x21___closed__2;
+lean_object* l_Lean_Expr_ctorName(lean_object*);
 lean_object* l_Lean_Expr_replaceFVarId(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkApp9(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_data___boxed(lean_object*);
@@ -345,6 +367,7 @@ lean_object* l_Lean_mkLocal(lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_Literal_hasBeq;
 lean_object* l_Lean_Expr_getAppNumArgsAux___main___boxed(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_5__withAppRevAux___main___rarg(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__9;
 lean_object* l_Lean_Expr_instantiateRevRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Array_insertAt___rarg___closed__1;
 lean_object* l_Lean_Expr_updateLambda_x21___closed__1;
@@ -356,7 +379,6 @@ lean_object* l_Lean_Expr_updateProj_x21___closed__1;
 uint8_t l_Lean_BinderInfo_inhabited;
 lean_object* lean_level_update_imax(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_HasRepr;
-lean_object* l_Lean_isAnnotation_x3f(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_isProj___boxed(lean_object*);
 lean_object* l_Lean_Expr_updateLambda_x21___closed__2;
 lean_object* l_Lean_Level_instantiateParams___main___at_Lean_Expr_instantiateLevelParamsArray___spec__2___boxed(lean_object*, lean_object*, lean_object*);
@@ -372,6 +394,7 @@ lean_object* l___private_Lean_Expr_12__getParamSubstArray___boxed(lean_object*,
 lean_object* lean_expr_mk_mvar(lean_object*);
 lean_object* l_Lean_Expr_bindingName_x21(lean_object*);
 lean_object* l_Lean_Expr_constLevels_x21___boxed(lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__10;
 lean_object* l_Lean_Level_instantiateParams___main___at_Lean_Expr_instantiateLevelParamsArray___spec__2(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_BinderInfo_hasBeq;
 lean_object* l_Lean_Expr_constLevels_x21___closed__1;
@@ -482,10 +505,12 @@ size_t lean_usize_mix_hash(size_t, size_t);
 uint8_t l_Lean_Expr_isOptParam(lean_object*);
 lean_object* lean_expr_abstract(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_getArg_x21(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__12;
 lean_object* l_Lean_mkApp2(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_InstantiateLevelParams_instantiate___main___at_Lean_Expr_instantiateLevelParams___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Expr_Data_hasBeq(uint64_t, uint64_t);
 lean_object* l___private_Lean_Expr_6__mkAppRevRangeAux___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__6;
 uint32_t lean_expr_loose_bvar_range(lean_object*);
 lean_object* l_Lean_Expr_inferImplicit(lean_object*, lean_object*, uint8_t);
 lean_object* l_Lean_Expr_mkAppRevRange___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -518,6 +543,7 @@ uint8_t l_List_foldr___main___at_Lean_mkConst___spec__4(uint8_t, lean_object*);
 lean_object* l_Lean_Expr_etaExpandedStrict_x3f(lean_object*);
 lean_object* l_Lean_Expr_updateLambdaE_x21(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Expr_hasLooseBVar___boxed(lean_object*, lean_object*);
+lean_object* l_Lean_Expr_ctorName___closed__11;
 lean_object* l___private_Lean_Expr_2__mkAppRangeAux___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 extern lean_object* l_Nat_Inhabited;
 uint64_t l_UInt64_shiftRight(uint64_t, uint64_t);
@@ -527,6 +553,7 @@ lean_object* lean_lit_type(lean_object*);
 lean_object* l_Lean_Expr_getArgD___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* lean_expr_update_app(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ExprStructEq_HasToString___boxed(lean_object*);
+lean_object* l_Lean_Expr_isCharLit___closed__2;
 lean_object* l_Lean_Expr_getRevArgD___main___boxed(lean_object*, lean_object*, lean_object*);
 size_t l_Lean_BinderInfo_hash(uint8_t);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
@@ -534,6 +561,7 @@ lean_object* l_Lean_Expr_getRevArgD___main(lean_object*, lean_object*, lean_obje
 lean_object* l_Lean_mkApp10(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_isApp___boxed(lean_object*);
 lean_object* l_Lean_Expr_HasBeq;
+lean_object* l_Lean_Expr_isCharLit___closed__4;
 lean_object* l_Lean_mkApp8(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkBVar(lean_object*);
 uint8_t l_Lean_Expr_hasFVar(lean_object*);
@@ -574,8 +602,9 @@ uint8_t lean_string_dec_lt(lean_object*, lean_object*);
 lean_object* l_Lean_Expr_isLet___boxed(lean_object*);
 lean_object* l_Lean_ExprStructEq_hash___boxed(lean_object*);
 lean_object* l_Lean_Level_instantiateParams___main___at_Lean_Expr_instantiateLevelParams___spec__2(lean_object*, lean_object*, lean_object*);
+lean_object* l_Lean_Expr_isCharLit___closed__1;
+lean_object* l_Lean_Expr_isCharLit___boxed(lean_object*);
 uint8_t lean_string_dec_eq(lean_object*, lean_object*);
-lean_object* l_Lean_isAnnotation_x3f___boxed(lean_object*, lean_object*);
 uint32_t l_Lean_Expr_Data_looseBVarRange(uint64_t);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_5__withAppRevAux___rarg(lean_object*, lean_object*, lean_object*);
@@ -583,6 +612,7 @@ uint64_t l_Lean_Expr_mkData(size_t, lean_object*, uint8_t, uint8_t, uint8_t, uin
 lean_object* l_monadInhabited___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_ExprStructEq_HasBeq;
 uint8_t lean_expr_has_level_param(lean_object*);
+lean_object* l_Lean_mkThunk(lean_object*);
 lean_object* _init_l_Lean_Literal_inhabited___closed__1() {
 _start:
 {
@@ -1777,6 +1807,196 @@ x_3 = lean_box_uint64(x_2);
 return x_3;
 }
 }
+lean_object* _init_l_Lean_Expr_ctorName___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("bvar");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__2() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("fvar");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("mvar");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("sort");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__5() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("const");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__6() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("lam");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("forallE");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__8() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("letE");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__9() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("lit");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__10() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("mdata");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__11() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("proj");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_ctorName___closed__12() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("localE");
+return x_1;
+}
+}
+lean_object* l_Lean_Expr_ctorName(lean_object* x_1) {
+_start:
+{
+switch (lean_obj_tag(x_1)) {
+case 0:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Expr_ctorName___closed__1;
+return x_2;
+}
+case 1:
+{
+lean_object* x_3; 
+x_3 = l_Lean_Expr_ctorName___closed__2;
+return x_3;
+}
+case 2:
+{
+lean_object* x_4; 
+x_4 = l_Lean_Expr_ctorName___closed__3;
+return x_4;
+}
+case 3:
+{
+lean_object* x_5; 
+x_5 = l_Lean_Expr_ctorName___closed__4;
+return x_5;
+}
+case 4:
+{
+lean_object* x_6; 
+x_6 = l_Lean_Expr_ctorName___closed__5;
+return x_6;
+}
+case 5:
+{
+lean_object* x_7; 
+x_7 = l_Lean_mkAppStx___closed__7;
+return x_7;
+}
+case 6:
+{
+lean_object* x_8; 
+x_8 = l_Lean_Expr_ctorName___closed__6;
+return x_8;
+}
+case 7:
+{
+lean_object* x_9; 
+x_9 = l_Lean_Expr_ctorName___closed__7;
+return x_9;
+}
+case 8:
+{
+lean_object* x_10; 
+x_10 = l_Lean_Expr_ctorName___closed__8;
+return x_10;
+}
+case 9:
+{
+lean_object* x_11; 
+x_11 = l_Lean_Expr_ctorName___closed__9;
+return x_11;
+}
+case 10:
+{
+lean_object* x_12; 
+x_12 = l_Lean_Expr_ctorName___closed__10;
+return x_12;
+}
+case 11:
+{
+lean_object* x_13; 
+x_13 = l_Lean_Expr_ctorName___closed__11;
+return x_13;
+}
+default: 
+{
+lean_object* x_14; 
+x_14 = l_Lean_Expr_ctorName___closed__12;
+return x_14;
+}
+}
+}
+}
+lean_object* l_Lean_Expr_ctorName___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Expr_ctorName(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
 size_t l_Lean_Expr_hash(lean_object* x_1) {
 _start:
 {
@@ -3954,6 +4174,66 @@ lean_dec(x_1);
 return x_6;
 }
 }
+lean_object* _init_l_Lean_mkThunkType___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Unit");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_mkThunkType___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_mkThunkType___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_mkThunkType___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_mkThunkType___closed__2;
+x_3 = l_Lean_mkConst(x_2, x_1);
+return x_3;
+}
+}
+lean_object* l_Lean_mkThunkType(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; uint8_t x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = lean_box(0);
+x_3 = 0;
+x_4 = l_Lean_mkThunkType___closed__3;
+x_5 = l_Lean_mkForall(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
+lean_object* _init_l_Lean_mkThunk___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_mkHole___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_mkThunk(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; uint8_t x_3; lean_object* x_4; lean_object* x_5; 
+x_2 = l_Lean_mkThunk___closed__1;
+x_3 = 0;
+x_4 = l_Lean_mkThunkType___closed__3;
+x_5 = l_Lean_mkLambda(x_2, x_3, x_4, x_1);
+return x_5;
+}
+}
 lean_object* l_Lean_mkLet(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, uint8_t x_5) {
 _start:
 {
@@ -5127,82 +5407,6 @@ x_3 = lean_box(x_2);
 return x_3;
 }
 }
-uint8_t l_Lean_Expr_isNatLit(lean_object* x_1) {
-_start:
-{
-if (lean_obj_tag(x_1) == 9)
-{
-lean_object* x_2; 
-x_2 = lean_ctor_get(x_1, 0);
-if (lean_obj_tag(x_2) == 0)
-{
-uint8_t x_3; 
-x_3 = 1;
-return x_3;
-}
-else
-{
-uint8_t x_4; 
-x_4 = 0;
-return x_4;
-}
-}
-else
-{
-uint8_t x_5; 
-x_5 = 0;
-return x_5;
-}
-}
-}
-lean_object* l_Lean_Expr_isNatLit___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_isNatLit(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
-uint8_t l_Lean_Expr_isStringLit(lean_object* x_1) {
-_start:
-{
-if (lean_obj_tag(x_1) == 9)
-{
-lean_object* x_2; 
-x_2 = lean_ctor_get(x_1, 0);
-if (lean_obj_tag(x_2) == 0)
-{
-uint8_t x_3; 
-x_3 = 0;
-return x_3;
-}
-else
-{
-uint8_t x_4; 
-x_4 = 1;
-return x_4;
-}
-}
-else
-{
-uint8_t x_5; 
-x_5 = 0;
-return x_5;
-}
-}
-}
-lean_object* l_Lean_Expr_isStringLit___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = l_Lean_Expr_isStringLit(x_1);
-lean_dec(x_1);
-x_3 = lean_box(x_2);
-return x_3;
-}
-}
 lean_object* l_Lean_Expr_getAppFn___main(lean_object* x_1) {
 _start:
 {
@@ -5627,7 +5831,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(489u);
+x_2 = lean_unsigned_to_nat(504u);
 x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_Array_insertAt___rarg___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -5881,7 +6085,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(509u);
+x_2 = lean_unsigned_to_nat(524u);
 x_3 = lean_unsigned_to_nat(15u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -5922,7 +6126,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(513u);
+x_2 = lean_unsigned_to_nat(528u);
 x_3 = lean_unsigned_to_nat(15u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -5958,6 +6162,191 @@ lean_dec(x_1);
 return x_2;
 }
 }
+uint8_t l_Lean_Expr_isNatLit(lean_object* x_1) {
+_start:
+{
+if (lean_obj_tag(x_1) == 9)
+{
+lean_object* x_2; 
+x_2 = lean_ctor_get(x_1, 0);
+if (lean_obj_tag(x_2) == 0)
+{
+uint8_t x_3; 
+x_3 = 1;
+return x_3;
+}
+else
+{
+uint8_t x_4; 
+x_4 = 0;
+return x_4;
+}
+}
+else
+{
+uint8_t x_5; 
+x_5 = 0;
+return x_5;
+}
+}
+}
+lean_object* l_Lean_Expr_isNatLit___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_isNatLit(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+lean_object* l_Lean_Expr_natLit_x3f(lean_object* x_1) {
+_start:
+{
+if (lean_obj_tag(x_1) == 9)
+{
+lean_object* x_2; 
+x_2 = lean_ctor_get(x_1, 0);
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_3; lean_object* x_4; 
+x_3 = lean_ctor_get(x_2, 0);
+lean_inc(x_3);
+x_4 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_4, 0, x_3);
+return x_4;
+}
+else
+{
+lean_object* x_5; 
+x_5 = lean_box(0);
+return x_5;
+}
+}
+else
+{
+lean_object* x_6; 
+x_6 = lean_box(0);
+return x_6;
+}
+}
+}
+lean_object* l_Lean_Expr_natLit_x3f___boxed(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_Expr_natLit_x3f(x_1);
+lean_dec(x_1);
+return x_2;
+}
+}
+uint8_t l_Lean_Expr_isStringLit(lean_object* x_1) {
+_start:
+{
+if (lean_obj_tag(x_1) == 9)
+{
+lean_object* x_2; 
+x_2 = lean_ctor_get(x_1, 0);
+if (lean_obj_tag(x_2) == 0)
+{
+uint8_t x_3; 
+x_3 = 0;
+return x_3;
+}
+else
+{
+uint8_t x_4; 
+x_4 = 1;
+return x_4;
+}
+}
+else
+{
+uint8_t x_5; 
+x_5 = 0;
+return x_5;
+}
+}
+}
+lean_object* l_Lean_Expr_isStringLit___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_isStringLit(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Expr_isCharLit___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("Char");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_isCharLit___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = lean_box(0);
+x_2 = l_Lean_Expr_isCharLit___closed__1;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+lean_object* _init_l_Lean_Expr_isCharLit___closed__3() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("ofNat");
+return x_1;
+}
+}
+lean_object* _init_l_Lean_Expr_isCharLit___closed__4() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Expr_isCharLit___closed__2;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
+uint8_t l_Lean_Expr_isCharLit(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; lean_object* x_3; uint8_t x_4; 
+x_2 = l_Lean_Expr_isCharLit___closed__4;
+x_3 = lean_unsigned_to_nat(1u);
+x_4 = l_Lean_Expr_isAppOfArity___main(x_1, x_2, x_3);
+if (x_4 == 0)
+{
+uint8_t x_5; 
+x_5 = 0;
+return x_5;
+}
+else
+{
+lean_object* x_6; uint8_t x_7; 
+x_6 = l_Lean_Expr_appArg_x21(x_1);
+x_7 = l_Lean_Expr_isNatLit(x_6);
+lean_dec(x_6);
+return x_7;
+}
+}
+}
+lean_object* l_Lean_Expr_isCharLit___boxed(lean_object* x_1) {
+_start:
+{
+uint8_t x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_isCharLit(x_1);
+lean_dec(x_1);
+x_3 = lean_box(x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Expr_constName_x21___closed__1() {
 _start:
 {
@@ -5971,7 +6360,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(517u);
+x_2 = lean_unsigned_to_nat(547u);
 x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6051,7 +6440,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(525u);
+x_2 = lean_unsigned_to_nat(555u);
 x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6100,7 +6489,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(529u);
+x_2 = lean_unsigned_to_nat(559u);
 x_3 = lean_unsigned_to_nat(16u);
 x_4 = l_Lean_Expr_bvarIdx_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6149,7 +6538,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(533u);
+x_2 = lean_unsigned_to_nat(563u);
 x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_fvarId_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6198,7 +6587,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(537u);
+x_2 = lean_unsigned_to_nat(567u);
 x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_mvarId_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6247,7 +6636,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(542u);
+x_2 = lean_unsigned_to_nat(572u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6297,7 +6686,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(547u);
+x_2 = lean_unsigned_to_nat(577u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6347,7 +6736,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(552u);
+x_2 = lean_unsigned_to_nat(582u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6397,7 +6786,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(557u);
+x_2 = lean_unsigned_to_nat(587u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_bindingName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -6459,7 +6848,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(561u);
+x_2 = lean_unsigned_to_nat(591u);
 x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_Lean_Expr_letName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8088,7 +8477,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(831u);
+x_2 = lean_unsigned_to_nat(861u);
 x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_appFn_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8130,7 +8519,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(840u);
+x_2 = lean_unsigned_to_nat(870u);
 x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_constName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8179,7 +8568,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(849u);
+x_2 = lean_unsigned_to_nat(879u);
 x_3 = lean_unsigned_to_nat(14u);
 x_4 = l_Lean_Expr_updateSort_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8236,7 +8625,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(866u);
+x_2 = lean_unsigned_to_nat(896u);
 x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateMData_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8277,7 +8666,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(871u);
+x_2 = lean_unsigned_to_nat(901u);
 x_3 = lean_unsigned_to_nat(18u);
 x_4 = l_Lean_Expr_updateProj_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8328,7 +8717,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(880u);
+x_2 = lean_unsigned_to_nat(910u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_updateForall_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8372,7 +8761,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(885u);
+x_2 = lean_unsigned_to_nat(915u);
 x_3 = lean_unsigned_to_nat(21u);
 x_4 = l_Lean_Expr_updateForall_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8426,7 +8815,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(894u);
+x_2 = lean_unsigned_to_nat(924u);
 x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateLambda_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8470,7 +8859,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(899u);
+x_2 = lean_unsigned_to_nat(929u);
 x_3 = lean_unsigned_to_nat(17u);
 x_4 = l_Lean_Expr_updateLambda_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -8514,7 +8903,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_1 = l___private_Lean_Expr_1__Expr_mkDataCore___closed__1;
-x_2 = lean_unsigned_to_nat(908u);
+x_2 = lean_unsigned_to_nat(938u);
 x_3 = lean_unsigned_to_nat(20u);
 x_4 = l_Lean_Expr_letName_x21___closed__1;
 x_5 = l___private_Init_Util_1__mkPanicMessage(x_1, x_2, x_3, x_4);
@@ -10343,7 +10732,7 @@ x_6 = l_Lean_mkMData(x_5, x_2);
 return x_6;
 }
 }
-lean_object* l_Lean_isAnnotation_x3f(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_annotation_x3f(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 10)
@@ -10391,11 +10780,11 @@ return x_14;
 }
 }
 }
-lean_object* l_Lean_isAnnotation_x3f___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Lean_annotation_x3f___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_Lean_isAnnotation_x3f(x_1, x_2);
+x_3 = l_Lean_annotation_x3f(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_3;
@@ -10468,6 +10857,30 @@ l_Lean_Expr_Inhabited___closed__1 = _init_l_Lean_Expr_Inhabited___closed__1();
 lean_mark_persistent(l_Lean_Expr_Inhabited___closed__1);
 l_Lean_Expr_Inhabited = _init_l_Lean_Expr_Inhabited();
 lean_mark_persistent(l_Lean_Expr_Inhabited);
+l_Lean_Expr_ctorName___closed__1 = _init_l_Lean_Expr_ctorName___closed__1();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__1);
+l_Lean_Expr_ctorName___closed__2 = _init_l_Lean_Expr_ctorName___closed__2();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__2);
+l_Lean_Expr_ctorName___closed__3 = _init_l_Lean_Expr_ctorName___closed__3();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__3);
+l_Lean_Expr_ctorName___closed__4 = _init_l_Lean_Expr_ctorName___closed__4();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__4);
+l_Lean_Expr_ctorName___closed__5 = _init_l_Lean_Expr_ctorName___closed__5();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__5);
+l_Lean_Expr_ctorName___closed__6 = _init_l_Lean_Expr_ctorName___closed__6();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__6);
+l_Lean_Expr_ctorName___closed__7 = _init_l_Lean_Expr_ctorName___closed__7();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__7);
+l_Lean_Expr_ctorName___closed__8 = _init_l_Lean_Expr_ctorName___closed__8();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__8);
+l_Lean_Expr_ctorName___closed__9 = _init_l_Lean_Expr_ctorName___closed__9();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__9);
+l_Lean_Expr_ctorName___closed__10 = _init_l_Lean_Expr_ctorName___closed__10();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__10);
+l_Lean_Expr_ctorName___closed__11 = _init_l_Lean_Expr_ctorName___closed__11();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__11);
+l_Lean_Expr_ctorName___closed__12 = _init_l_Lean_Expr_ctorName___closed__12();
+lean_mark_persistent(l_Lean_Expr_ctorName___closed__12);
 l_Lean_Expr_Hashable___closed__1 = _init_l_Lean_Expr_Hashable___closed__1();
 lean_mark_persistent(l_Lean_Expr_Hashable___closed__1);
 l_Lean_Expr_Hashable = _init_l_Lean_Expr_Hashable();
@@ -10484,6 +10897,14 @@ l_Lean_Literal_type___closed__5 = _init_l_Lean_Literal_type___closed__5();
 lean_mark_persistent(l_Lean_Literal_type___closed__5);
 l_Lean_Literal_type___closed__6 = _init_l_Lean_Literal_type___closed__6();
 lean_mark_persistent(l_Lean_Literal_type___closed__6);
+l_Lean_mkThunkType___closed__1 = _init_l_Lean_mkThunkType___closed__1();
+lean_mark_persistent(l_Lean_mkThunkType___closed__1);
+l_Lean_mkThunkType___closed__2 = _init_l_Lean_mkThunkType___closed__2();
+lean_mark_persistent(l_Lean_mkThunkType___closed__2);
+l_Lean_mkThunkType___closed__3 = _init_l_Lean_mkThunkType___closed__3();
+lean_mark_persistent(l_Lean_mkThunkType___closed__3);
+l_Lean_mkThunk___closed__1 = _init_l_Lean_mkThunk___closed__1();
+lean_mark_persistent(l_Lean_mkThunk___closed__1);
 l_Lean_Expr_HasBeq___closed__1 = _init_l_Lean_Expr_HasBeq___closed__1();
 lean_mark_persistent(l_Lean_Expr_HasBeq___closed__1);
 l_Lean_Expr_HasBeq = _init_l_Lean_Expr_HasBeq();
@@ -10498,6 +10919,14 @@ l_Lean_Expr_appFn_x21___closed__2 = _init_l_Lean_Expr_appFn_x21___closed__2();
 lean_mark_persistent(l_Lean_Expr_appFn_x21___closed__2);
 l_Lean_Expr_appArg_x21___closed__1 = _init_l_Lean_Expr_appArg_x21___closed__1();
 lean_mark_persistent(l_Lean_Expr_appArg_x21___closed__1);
+l_Lean_Expr_isCharLit___closed__1 = _init_l_Lean_Expr_isCharLit___closed__1();
+lean_mark_persistent(l_Lean_Expr_isCharLit___closed__1);
+l_Lean_Expr_isCharLit___closed__2 = _init_l_Lean_Expr_isCharLit___closed__2();
+lean_mark_persistent(l_Lean_Expr_isCharLit___closed__2);
+l_Lean_Expr_isCharLit___closed__3 = _init_l_Lean_Expr_isCharLit___closed__3();
+lean_mark_persistent(l_Lean_Expr_isCharLit___closed__3);
+l_Lean_Expr_isCharLit___closed__4 = _init_l_Lean_Expr_isCharLit___closed__4();
+lean_mark_persistent(l_Lean_Expr_isCharLit___closed__4);
 l_Lean_Expr_constName_x21___closed__1 = _init_l_Lean_Expr_constName_x21___closed__1();
 lean_mark_persistent(l_Lean_Expr_constName_x21___closed__1);
 l_Lean_Expr_constName_x21___closed__2 = _init_l_Lean_Expr_constName_x21___closed__2();
diff --git a/stage0/stdlib/Lean/KeyedDeclsAttribute.c b/stage0/stdlib/Lean/KeyedDeclsAttribute.c
index 154cc72326..2589fc2c19 100644
--- a/stage0/stdlib/Lean/KeyedDeclsAttribute.c
+++ b/stage0/stdlib/Lean/KeyedDeclsAttribute.c
@@ -17,7 +17,6 @@ lean_object* l_List_reverse___rarg(lean_object*);
 extern lean_object* l_Lean_Name_toString___closed__1;
 lean_object* l_Lean_KeyedDeclsAttribute_init___rarg___lambda__2___boxed(lean_object*);
 lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_KeyedDeclsAttribute_Table_insert___spec__23___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-extern lean_object* l_Lean_unitToExpr___lambda__1___closed__2;
 lean_object* l_Std_PersistentHashMap_insert___at_Lean_KeyedDeclsAttribute_Table_insert___spec__10___rarg(lean_object*, lean_object*, lean_object*);
 size_t l_USize_add(size_t, size_t);
 lean_object* l_Lean_KeyedDeclsAttribute_KeyedDeclsAttribute_inhabited___closed__2;
@@ -25,6 +24,7 @@ lean_object* l_Lean_KeyedDeclsAttribute_declareBuiltin___rarg___closed__3;
 lean_object* l_Array_iterateMAux___main___at___private_Lean_KeyedDeclsAttribute_2__addImported___spec__2___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Std_HashMapImp_find_x3f___at_Lean_KeyedDeclsAttribute_Table_insert___spec__5___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_KeyedDeclsAttribute_declareBuiltin(lean_object*);
+extern lean_object* l_Lean_mkThunkType___closed__2;
 lean_object* l_Std_AssocList_replace___main___at_Lean_KeyedDeclsAttribute_Table_insert___spec__30(lean_object*);
 lean_object* lean_mk_empty_array_with_capacity(lean_object*);
 lean_object* l_Std_PersistentHashMap_insertAtCollisionNodeAux___main___at_Lean_KeyedDeclsAttribute_Table_insert___spec__23(lean_object*);
@@ -3480,7 +3480,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_unitToExpr___lambda__1___closed__2;
+x_2 = l_Lean_mkThunkType___closed__2;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
diff --git a/stage0/stdlib/Lean/Meta/EqnCompiler.c b/stage0/stdlib/Lean/Meta/EqnCompiler.c
index 45b53b5091..9e89a2c41e 100644
--- a/stage0/stdlib/Lean/Meta/EqnCompiler.c
+++ b/stage0/stdlib/Lean/Meta/EqnCompiler.c
@@ -14,13 +14,13 @@
 extern "C" {
 #endif
 lean_object* l_Lean_registerTraceClass(lean_object*, lean_object*);
-extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__2;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__2;
 lean_object* l___private_Lean_Meta_EqnCompiler_1__regTraceClasses(lean_object*);
 lean_object* l___private_Lean_Meta_EqnCompiler_1__regTraceClasses(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__2;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__2;
 x_3 = l_Lean_registerTraceClass(x_2, x_1);
 return x_3;
 }
diff --git a/stage0/stdlib/Lean/Meta/EqnCompiler/DepElim.c b/stage0/stdlib/Lean/Meta/EqnCompiler/DepElim.c
index 09acd4774c..7511f075b1 100644
--- a/stage0/stdlib/Lean/Meta/EqnCompiler/DepElim.c
+++ b/stage0/stdlib/Lean/Meta/EqnCompiler/DepElim.c
@@ -13,372 +13,361 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(lean_object*, lean_object*, lean_object*);
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 lean_object* lean_array_fset(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_mkElim___closed__1;
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 lean_object* l_List_lengthAux___main___rarg(lean_object*, lean_object*);
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 lean_object* l_Lean_Name_appendIndexAfter(lean_object*, lean_object*);
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 lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_2__convertMVars___spec__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Problem_toMessageData___lambda__1___closed__3;
 lean_object* l_Lean_Meta_DepElim_Problem_Inhabited___closed__1;
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 lean_object* l_Lean_Meta_DepElim_Example_applyFVarSubst(lean_object*, lean_object*);
 lean_object* l_Std_RBNode_insert___at_Lean_NameMap_insert___spec__1___rarg(lean_object*, lean_object*, lean_object*);
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+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(lean_object*);
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+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_mkArrayLit(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__2___closed__3;
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 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_1__convertMVar___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Example_replaceFVarId___main___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Example_toMessageData___main___closed__1;
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 lean_object* l_Lean_Meta_DepElim_Pattern_toExpr___main___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_toIPattern___main___boxed(lean_object*, lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__3___boxed(lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__5;
 lean_object* l_Lean_Meta_addContext(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_assignGoalOf___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 uint8_t l_Std_AssocList_isEmpty___rarg(lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Example_varsToUnderscore(lean_object*);
 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__1___closed__12;
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 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__5;
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 size_t lean_usize_modn(size_t, lean_object*);
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 uint8_t l_Array_isEmpty___rarg(lean_object*);
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 lean_object* l_Lean_LocalDecl_toExpr(lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___boxed(lean_object*, lean_object*);
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1___boxed(lean_object*, lean_object*);
 uint8_t l_Lean_Expr_isForall(lean_object*);
 uint8_t l_List_foldr___main___at___private_Lean_Meta_EqnCompiler_DepElim_5__checkNumPatterns___spec__1(lean_object*, uint8_t, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Problem_Inhabited;
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 lean_object* l_Lean_mkFVar(lean_object*);
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 size_t lean_usize_of_nat(lean_object*);
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 lean_object* l_Std_mkHashSet___at_Lean_Meta_DepElim_mkElim___spec__2(lean_object*);
 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Example_applyFVarSubst___main___spec__1___boxed(lean_object*, lean_object*);
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 lean_object* l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__8;
 lean_object* l_Lean_LocalDecl_fvarId(lean_object*);
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 uint8_t l_Std_AssocList_any___main___rarg(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Alt_copyCore(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_counterExamplesToMessageData(lean_object*);
 lean_object* l_Lean_LocalDecl_type(lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__4;
 lean_object* l_Lean_Meta_FVarSubst_get(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Example_replaceFVarId(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_map___main___at_Lean_MessageData_coeOfListExpr___spec__1(lean_object*);
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+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_34__process(lean_object*, lean_object*, lean_object*, lean_object*);
 uint8_t lean_expr_eqv(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Pattern_instantiateMVars___main(lean_object*, lean_object*, lean_object*);
 uint8_t lean_nat_dec_le(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__1___closed__10;
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 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_2__convertMVars(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_FVarSubst_insert(lean_object*, lean_object*, lean_object*);
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+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__7(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(lean_object*);
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 lean_object* l_Lean_Meta_admit(lean_object*, uint8_t, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Alt_toMessageData___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__3;
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 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_4__copyMVars(lean_object*, lean_object*, lean_object*);
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 lean_object* l_List_foldl___main___at_Lean_Meta_DepElim_Example_toMessageData___main___spec__1(lean_object*, lean_object*);
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+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__1(lean_object*);
 lean_object* l_Lean_Meta_DepElim_Example_varsToUnderscore___main(lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_examplesToMessageData___spec__1(lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Alt_toMessageData___closed__1;
 uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_1__convertMVar___lambda__1(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__1___closed__3;
 uint8_t l_Array_contains___at___private_Lean_Meta_FunInfo_3__collectDepsAux___main___spec__2(lean_object*, lean_object*);
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 lean_object* lean_nat_mul(lean_object*, lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Example_replaceFVarId___main___spec__2___boxed(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_caseValues(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___boxed(lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
-lean_object* l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__2;
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 lean_object* l_Lean_Meta_inferType(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_foldl___main___at_Lean_Meta_DepElim_Pattern_toMessageData___main___spec__1(uint8_t, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_isExprDefEq(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_assignExprMVar___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Example_varsToUnderscore___main___spec__1(lean_object*);
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+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_mkLambda(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_getMVarDecl(lean_object*, lean_object*, lean_object*);
 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__3___boxed(lean_object*, lean_object*);
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 lean_object* l_Array_toList___rarg(lean_object*);
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 lean_object* l_Lean_Meta_instantiateMVars(lean_object*, lean_object*, lean_object*);
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 extern lean_object* l_Lean_Position_lt___closed__1;
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 lean_object* lean_mk_array(lean_object*, lean_object*);
 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__1(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_Inhabited(uint8_t);
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 extern lean_object* l_Lean_MessageData_arrayExpr_toMessageData___main___closed__2;
 lean_object* l_Lean_Meta_DepElim_assignGoalOf(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_toExpr___main___spec__2(uint8_t, lean_object*, lean_object*, lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__1___closed__7;
 lean_object* l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Example_toMessageData___main(lean_object*);
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 lean_object* l_Lean_Meta_whnfD(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_setInlineAttribute(lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_5__checkNumPatterns(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_toExpr___main___spec__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_withGoalOf(lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___boxed(lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__9;
 lean_object* l_List_toArrayAux___main___rarg(lean_object*, lean_object*);
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 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_5__checkNumPatterns___closed__1;
 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_5__checkNumPatterns___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
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 extern lean_object* l_Lean_Meta_CaseValueSubgoals_inhabited;
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 uint8_t l_List_isEmpty___rarg(lean_object*);
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElim___lambda__1___closed__5;
 lean_object* l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__1___boxed(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_Alt_Inhabited___closed__1;
 lean_object* l_Lean_Meta_DepElim_Pattern_toIPattern(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_DepElim_mkElimTester___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
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 lean_object* l_beqOfEq___rarg(lean_object*, lean_object*, lean_object*);
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 lean_object* l_Lean_indentExpr(lean_object*);
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Alt_copyCore___spec__1___boxed(lean_object*, lean_object*);
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 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_5__checkNumPatterns___closed__2;
 lean_object* l_Lean_Meta_DepElim_mkElimTester___closed__1;
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 lean_object* l_Lean_Meta_DepElim_Example_replaceFVarId___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_toMessageData___main___closed__1;
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 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Example_toMessageData___main___spec__2(lean_object*);
 lean_object* l_Lean_mkConst(lean_object*, lean_object*);
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 lean_object* l_Lean_Meta_caseArraySizes(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__2___boxed(lean_object*, lean_object*);
 lean_object* l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__1___boxed(lean_object*, lean_object*);
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 lean_object* l_Lean_CollectLevelParams_main___main(lean_object*, lean_object*);
 lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_37__regTraceClasses(lean_object*);
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__4(lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__3;
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__5___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__4___boxed(lean_object*, lean_object*);
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__2(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_toExpr___main(uint8_t, lean_object*, lean_object*, lean_object*);
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3___boxed(lean_object*, lean_object*, lean_object*);
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___spec__1(lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar___boxed(lean_object*);
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAlts___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__3(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_forallTelescopeReducing___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___lambda__1___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__5___boxed(lean_object*, lean_object*, lean_object*);
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___spec__1___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_generalizeTelescope___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Example_toMessageData(lean_object*);
-lean_object* l_Lean_Meta_DepElim_Pattern_ref___boxed(lean_object*);
+uint8_t l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2(lean_object*, lean_object*);
 uint8_t lean_nat_dec_lt(lean_object*, lean_object*);
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__9;
 extern lean_object* l_Lean_Meta_AbstractMVars_abstractExprMVars___main___closed__2;
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected(lean_object*);
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__4(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_DepElim_Pattern_Inhabited(uint8_t x_1) {
 _start:
 {
-lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_2 = lean_box(0);
-x_3 = l_Lean_Expr_Inhabited___closed__1;
-x_4 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_4, 0, x_2);
-lean_ctor_set(x_4, 1, x_3);
-return x_4;
+lean_object* x_2; lean_object* x_3; 
+x_2 = l_Lean_Expr_Inhabited___closed__1;
+x_3 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_3, 0, x_2);
+return x_3;
 }
 }
 lean_object* l_Lean_Meta_DepElim_Pattern_Inhabited___boxed(lean_object* x_1) {
@@ -582,42 +573,6 @@ x_3 = l_Lean_Meta_DepElim_Pattern_Inhabited(x_2);
 return x_3;
 }
 }
-lean_object* l_Lean_Meta_DepElim_Pattern_ref___rarg(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_ctor_get(x_1, 0);
-lean_inc(x_2);
-return x_2;
-}
-}
-lean_object* l_Lean_Meta_DepElim_Pattern_ref(uint8_t x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l_Lean_Meta_DepElim_Pattern_ref___rarg___boxed), 1, 0);
-return x_2;
-}
-}
-lean_object* l_Lean_Meta_DepElim_Pattern_ref___rarg___boxed(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l_Lean_Meta_DepElim_Pattern_ref___rarg(x_1);
-lean_dec(x_1);
-return x_2;
-}
-}
-lean_object* l_Lean_Meta_DepElim_Pattern_ref___boxed(lean_object* x_1) {
-_start:
-{
-uint8_t x_2; lean_object* x_3; 
-x_2 = lean_unbox(x_1);
-lean_dec(x_1);
-x_3 = l_Lean_Meta_DepElim_Pattern_ref(x_2);
-return x_3;
-}
-}
 lean_object* l_List_foldl___main___at_Lean_Meta_DepElim_Pattern_toMessageData___main___spec__1(uint8_t x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
@@ -800,7 +755,7 @@ switch (lean_obj_tag(x_2)) {
 case 0:
 {
 lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_3 = lean_ctor_get(x_2, 1);
+x_3 = lean_ctor_get(x_2, 0);
 lean_inc(x_3);
 lean_dec(x_2);
 x_4 = lean_alloc_ctor(2, 1, 0);
@@ -820,7 +775,7 @@ case 1:
 if (x_1 == 0)
 {
 lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_9 = lean_ctor_get(x_2, 1);
+x_9 = lean_ctor_get(x_2, 0);
 lean_inc(x_9);
 lean_dec(x_2);
 x_10 = l_Lean_mkFVar(x_9);
@@ -831,7 +786,7 @@ return x_11;
 else
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_2, 1);
+x_12 = lean_ctor_get(x_2, 0);
 lean_inc(x_12);
 lean_dec(x_2);
 x_13 = l_Lean_mkMVar(x_12);
@@ -843,12 +798,12 @@ return x_14;
 case 2:
 {
 lean_object* x_15; 
-x_15 = lean_ctor_get(x_2, 4);
+x_15 = lean_ctor_get(x_2, 3);
 lean_inc(x_15);
 if (lean_obj_tag(x_15) == 0)
 {
 lean_object* x_16; lean_object* x_17; 
-x_16 = lean_ctor_get(x_2, 1);
+x_16 = lean_ctor_get(x_2, 0);
 lean_inc(x_16);
 lean_dec(x_2);
 x_17 = lean_alloc_ctor(4, 1, 0);
@@ -858,7 +813,7 @@ return x_17;
 else
 {
 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_18 = lean_ctor_get(x_2, 1);
+x_18 = lean_ctor_get(x_2, 0);
 lean_inc(x_18);
 lean_dec(x_2);
 x_19 = lean_alloc_ctor(4, 1, 0);
@@ -882,7 +837,7 @@ return x_26;
 case 3:
 {
 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_2, 1);
+x_27 = lean_ctor_get(x_2, 0);
 lean_inc(x_27);
 lean_dec(x_2);
 x_28 = lean_alloc_ctor(2, 1, 0);
@@ -900,7 +855,7 @@ return x_32;
 case 4:
 {
 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_33 = lean_ctor_get(x_2, 2);
+x_33 = lean_ctor_get(x_2, 1);
 lean_inc(x_33);
 lean_dec(x_2);
 x_34 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toMessageData___main___spec__2(x_1, x_33);
@@ -920,9 +875,9 @@ return x_40;
 default: 
 {
 lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_41 = lean_ctor_get(x_2, 1);
+x_41 = lean_ctor_get(x_2, 0);
 lean_inc(x_41);
-x_42 = lean_ctor_get(x_2, 2);
+x_42 = lean_ctor_get(x_2, 1);
 lean_inc(x_42);
 lean_dec(x_2);
 x_43 = l_Lean_Meta_DepElim_Pattern_toMessageData___main(x_1, x_42);
@@ -1448,7 +1403,7 @@ lean_dec(x_3);
 if (x_1 == 0)
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; 
-x_5 = lean_ctor_get(x_2, 1);
+x_5 = lean_ctor_get(x_2, 0);
 lean_inc(x_5);
 lean_dec(x_2);
 x_6 = l_Lean_mkFVar(x_5);
@@ -1460,7 +1415,7 @@ return x_7;
 else
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_2, 1);
+x_8 = lean_ctor_get(x_2, 0);
 lean_inc(x_8);
 lean_dec(x_2);
 x_9 = l_Lean_mkMVar(x_8);
@@ -1473,13 +1428,13 @@ return x_10;
 case 2:
 {
 lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_11 = lean_ctor_get(x_2, 1);
+x_11 = lean_ctor_get(x_2, 0);
 lean_inc(x_11);
-x_12 = lean_ctor_get(x_2, 2);
+x_12 = lean_ctor_get(x_2, 1);
 lean_inc(x_12);
-x_13 = lean_ctor_get(x_2, 3);
+x_13 = lean_ctor_get(x_2, 2);
 lean_inc(x_13);
-x_14 = lean_ctor_get(x_2, 4);
+x_14 = lean_ctor_get(x_2, 3);
 lean_inc(x_14);
 lean_dec(x_2);
 x_15 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_toExpr___main___spec__1(x_1, x_14, x_3, x_4);
@@ -1555,9 +1510,9 @@ return x_38;
 case 4:
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_39 = lean_ctor_get(x_2, 1);
+x_39 = lean_ctor_get(x_2, 0);
 lean_inc(x_39);
-x_40 = lean_ctor_get(x_2, 2);
+x_40 = lean_ctor_get(x_2, 1);
 lean_inc(x_40);
 lean_dec(x_2);
 lean_inc(x_3);
@@ -1601,7 +1556,7 @@ return x_48;
 case 5:
 {
 lean_object* x_49; 
-x_49 = lean_ctor_get(x_2, 2);
+x_49 = lean_ctor_get(x_2, 1);
 lean_inc(x_49);
 lean_dec(x_2);
 x_2 = x_49;
@@ -1611,7 +1566,7 @@ default:
 {
 lean_object* x_51; lean_object* x_52; 
 lean_dec(x_3);
-x_51 = lean_ctor_get(x_2, 1);
+x_51 = lean_ctor_get(x_2, 0);
 lean_inc(x_51);
 lean_dec(x_2);
 x_52 = lean_alloc_ctor(0, 2, 0);
@@ -1807,24 +1762,21 @@ x_3 = !lean_is_exclusive(x_2);
 if (x_3 == 0)
 {
 lean_object* x_4; lean_object* x_5; 
-x_4 = lean_ctor_get(x_2, 1);
+x_4 = lean_ctor_get(x_2, 0);
 x_5 = l_Lean_Meta_FVarSubst_apply(x_1, x_4);
-lean_ctor_set(x_2, 1, x_5);
+lean_ctor_set(x_2, 0, x_5);
 return x_2;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_ctor_get(x_2, 0);
-x_7 = lean_ctor_get(x_2, 1);
-lean_inc(x_7);
 lean_inc(x_6);
 lean_dec(x_2);
-x_8 = l_Lean_Meta_FVarSubst_apply(x_1, x_7);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_6);
-lean_ctor_set(x_9, 1, x_8);
-return x_9;
+x_7 = l_Lean_Meta_FVarSubst_apply(x_1, x_6);
+x_8 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_8, 0, x_7);
+return x_8;
 }
 }
 case 1:
@@ -1833,133 +1785,121 @@ return x_2;
 }
 case 2:
 {
-uint8_t x_10; 
-x_10 = !lean_is_exclusive(x_2);
-if (x_10 == 0)
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_2);
+if (x_9 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_10 = lean_ctor_get(x_2, 2);
 x_11 = lean_ctor_get(x_2, 3);
-x_12 = lean_ctor_get(x_2, 4);
-x_13 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1(x_1, x_11);
-x_14 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__2(x_1, x_12);
-lean_ctor_set(x_2, 4, x_14);
+x_12 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1(x_1, x_10);
+x_13 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__2(x_1, x_11);
 lean_ctor_set(x_2, 3, x_13);
+lean_ctor_set(x_2, 2, x_12);
 return x_2;
 }
 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; 
-x_15 = lean_ctor_get(x_2, 0);
-x_16 = lean_ctor_get(x_2, 1);
-x_17 = lean_ctor_get(x_2, 2);
-x_18 = lean_ctor_get(x_2, 3);
-x_19 = lean_ctor_get(x_2, 4);
-lean_inc(x_19);
-lean_inc(x_18);
+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_14 = lean_ctor_get(x_2, 0);
+x_15 = lean_ctor_get(x_2, 1);
+x_16 = lean_ctor_get(x_2, 2);
+x_17 = lean_ctor_get(x_2, 3);
 lean_inc(x_17);
 lean_inc(x_16);
 lean_inc(x_15);
+lean_inc(x_14);
 lean_dec(x_2);
-x_20 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1(x_1, x_18);
-x_21 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__2(x_1, x_19);
-x_22 = lean_alloc_ctor(2, 5, 0);
-lean_ctor_set(x_22, 0, x_15);
-lean_ctor_set(x_22, 1, x_16);
-lean_ctor_set(x_22, 2, x_17);
-lean_ctor_set(x_22, 3, x_20);
-lean_ctor_set(x_22, 4, x_21);
-return x_22;
+x_18 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__1(x_1, x_16);
+x_19 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__2(x_1, x_17);
+x_20 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_20, 0, x_14);
+lean_ctor_set(x_20, 1, x_15);
+lean_ctor_set(x_20, 2, x_18);
+lean_ctor_set(x_20, 3, x_19);
+return x_20;
 }
 }
 case 3:
 {
-uint8_t x_23; 
-x_23 = !lean_is_exclusive(x_2);
-if (x_23 == 0)
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_2);
+if (x_21 == 0)
 {
-lean_object* x_24; lean_object* x_25; 
-x_24 = lean_ctor_get(x_2, 1);
-x_25 = l_Lean_Meta_FVarSubst_apply(x_1, x_24);
-lean_ctor_set(x_2, 1, x_25);
+lean_object* x_22; lean_object* x_23; 
+x_22 = lean_ctor_get(x_2, 0);
+x_23 = l_Lean_Meta_FVarSubst_apply(x_1, x_22);
+lean_ctor_set(x_2, 0, x_23);
 return x_2;
 }
 else
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_26 = lean_ctor_get(x_2, 0);
-x_27 = lean_ctor_get(x_2, 1);
-lean_inc(x_27);
-lean_inc(x_26);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_24 = lean_ctor_get(x_2, 0);
+lean_inc(x_24);
 lean_dec(x_2);
-x_28 = l_Lean_Meta_FVarSubst_apply(x_1, x_27);
-x_29 = lean_alloc_ctor(3, 2, 0);
-lean_ctor_set(x_29, 0, x_26);
-lean_ctor_set(x_29, 1, x_28);
-return x_29;
+x_25 = l_Lean_Meta_FVarSubst_apply(x_1, x_24);
+x_26 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_26, 0, x_25);
+return x_26;
 }
 }
 case 4:
 {
-uint8_t x_30; 
-x_30 = !lean_is_exclusive(x_2);
-if (x_30 == 0)
+uint8_t x_27; 
+x_27 = !lean_is_exclusive(x_2);
+if (x_27 == 0)
 {
-lean_object* x_31; lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_31 = lean_ctor_get(x_2, 1);
-x_32 = lean_ctor_get(x_2, 2);
-x_33 = l_Lean_Meta_FVarSubst_apply(x_1, x_31);
-x_34 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__3(x_1, x_32);
-lean_ctor_set(x_2, 2, x_34);
-lean_ctor_set(x_2, 1, x_33);
+lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_28 = lean_ctor_get(x_2, 0);
+x_29 = lean_ctor_get(x_2, 1);
+x_30 = l_Lean_Meta_FVarSubst_apply(x_1, x_28);
+x_31 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__3(x_1, x_29);
+lean_ctor_set(x_2, 1, x_31);
+lean_ctor_set(x_2, 0, x_30);
 return x_2;
 }
 else
 {
-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_35 = lean_ctor_get(x_2, 0);
-x_36 = lean_ctor_get(x_2, 1);
-x_37 = lean_ctor_get(x_2, 2);
-lean_inc(x_37);
-lean_inc(x_36);
-lean_inc(x_35);
+lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
+x_32 = lean_ctor_get(x_2, 0);
+x_33 = lean_ctor_get(x_2, 1);
+lean_inc(x_33);
+lean_inc(x_32);
 lean_dec(x_2);
-x_38 = l_Lean_Meta_FVarSubst_apply(x_1, x_36);
-x_39 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__3(x_1, x_37);
-x_40 = lean_alloc_ctor(4, 3, 0);
-lean_ctor_set(x_40, 0, x_35);
-lean_ctor_set(x_40, 1, x_38);
-lean_ctor_set(x_40, 2, x_39);
-return x_40;
+x_34 = l_Lean_Meta_FVarSubst_apply(x_1, x_32);
+x_35 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyFVarSubst___main___spec__3(x_1, x_33);
+x_36 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_36, 0, x_34);
+lean_ctor_set(x_36, 1, x_35);
+return x_36;
 }
 }
 default: 
 {
-uint8_t x_41; 
-x_41 = !lean_is_exclusive(x_2);
-if (x_41 == 0)
+uint8_t x_37; 
+x_37 = !lean_is_exclusive(x_2);
+if (x_37 == 0)
 {
-lean_object* x_42; lean_object* x_43; 
-x_42 = lean_ctor_get(x_2, 2);
-x_43 = l_Lean_Meta_DepElim_Pattern_applyFVarSubst___main(x_1, x_42);
-lean_ctor_set(x_2, 2, x_43);
+lean_object* x_38; lean_object* x_39; 
+x_38 = lean_ctor_get(x_2, 1);
+x_39 = l_Lean_Meta_DepElim_Pattern_applyFVarSubst___main(x_1, x_38);
+lean_ctor_set(x_2, 1, x_39);
 return x_2;
 }
 else
 {
-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_2, 0);
-x_45 = lean_ctor_get(x_2, 1);
-x_46 = lean_ctor_get(x_2, 2);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_40 = lean_ctor_get(x_2, 0);
+x_41 = lean_ctor_get(x_2, 1);
+lean_inc(x_41);
+lean_inc(x_40);
 lean_dec(x_2);
-x_47 = l_Lean_Meta_DepElim_Pattern_applyFVarSubst___main(x_1, x_46);
-x_48 = lean_alloc_ctor(5, 3, 0);
-lean_ctor_set(x_48, 0, x_44);
-lean_ctor_set(x_48, 1, x_45);
-lean_ctor_set(x_48, 2, x_47);
-return x_48;
+x_42 = l_Lean_Meta_DepElim_Pattern_applyFVarSubst___main(x_1, x_41);
+x_43 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_43, 0, x_40);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
 }
 }
 }
@@ -2221,14 +2161,14 @@ x_4 = !lean_is_exclusive(x_1);
 if (x_4 == 0)
 {
 lean_object* x_5; lean_object* x_6; uint8_t x_7; 
-x_5 = lean_ctor_get(x_1, 1);
+x_5 = lean_ctor_get(x_1, 0);
 x_6 = l_Lean_Meta_instantiateMVars(x_5, x_2, x_3);
 x_7 = !lean_is_exclusive(x_6);
 if (x_7 == 0)
 {
 lean_object* x_8; 
 x_8 = lean_ctor_get(x_6, 0);
-lean_ctor_set(x_1, 1, x_8);
+lean_ctor_set(x_1, 0, x_8);
 lean_ctor_set(x_6, 0, x_1);
 return x_6;
 }
@@ -2240,7 +2180,7 @@ x_10 = lean_ctor_get(x_6, 1);
 lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_6);
-lean_ctor_set(x_1, 1, x_9);
+lean_ctor_set(x_1, 0, x_9);
 x_11 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_11, 0, x_1);
 lean_ctor_set(x_11, 1, x_10);
@@ -2249,476 +2189,452 @@ return x_11;
 }
 else
 {
-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_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 = lean_ctor_get(x_1, 0);
-x_13 = lean_ctor_get(x_1, 1);
-lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_1);
-x_14 = l_Lean_Meta_instantiateMVars(x_13, x_2, x_3);
-x_15 = lean_ctor_get(x_14, 0);
+x_13 = l_Lean_Meta_instantiateMVars(x_12, x_2, x_3);
+x_14 = lean_ctor_get(x_13, 0);
+lean_inc(x_14);
+x_15 = lean_ctor_get(x_13, 1);
 lean_inc(x_15);
-x_16 = lean_ctor_get(x_14, 1);
-lean_inc(x_16);
-if (lean_is_exclusive(x_14)) {
- lean_ctor_release(x_14, 0);
- lean_ctor_release(x_14, 1);
- x_17 = x_14;
+if (lean_is_exclusive(x_13)) {
+ lean_ctor_release(x_13, 0);
+ lean_ctor_release(x_13, 1);
+ x_16 = x_13;
 } else {
- lean_dec_ref(x_14);
- x_17 = lean_box(0);
+ lean_dec_ref(x_13);
+ x_16 = lean_box(0);
 }
-x_18 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_18, 0, x_12);
+x_17 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_17, 0, x_14);
+if (lean_is_scalar(x_16)) {
+ x_18 = lean_alloc_ctor(0, 2, 0);
+} else {
+ x_18 = x_16;
+}
+lean_ctor_set(x_18, 0, x_17);
 lean_ctor_set(x_18, 1, x_15);
-if (lean_is_scalar(x_17)) {
- x_19 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_19 = x_17;
-}
-lean_ctor_set(x_19, 0, x_18);
-lean_ctor_set(x_19, 1, x_16);
-return x_19;
+return x_18;
 }
 }
 case 1:
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_1, 0);
+lean_object* x_19; lean_object* x_20; lean_object* x_21; 
+x_19 = lean_ctor_get(x_1, 0);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_3, 1);
 lean_inc(x_20);
-x_21 = lean_ctor_get(x_1, 1);
-lean_inc(x_21);
-x_22 = lean_ctor_get(x_3, 1);
-lean_inc(x_22);
-x_23 = lean_metavar_ctx_get_expr_assignment(x_22, x_21);
-if (lean_obj_tag(x_23) == 0)
+x_21 = lean_metavar_ctx_get_expr_assignment(x_20, x_19);
+if (lean_obj_tag(x_21) == 0)
 {
-lean_object* x_24; 
-lean_dec(x_20);
-x_24 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_24, 0, x_1);
-lean_ctor_set(x_24, 1, x_3);
-return x_24;
+lean_object* x_22; 
+x_22 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_22, 0, x_1);
+lean_ctor_set(x_22, 1, x_3);
+return x_22;
 }
 else
 {
-uint8_t x_25; 
-x_25 = !lean_is_exclusive(x_1);
-if (x_25 == 0)
+uint8_t x_23; 
+x_23 = !lean_is_exclusive(x_1);
+if (x_23 == 0)
 {
-lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29; uint8_t x_30; 
-x_26 = lean_ctor_get(x_1, 1);
+lean_object* x_24; lean_object* x_25; lean_object* x_26; uint8_t x_27; 
+x_24 = lean_ctor_get(x_1, 0);
+lean_dec(x_24);
+x_25 = lean_ctor_get(x_21, 0);
+lean_inc(x_25);
+lean_dec(x_21);
+x_26 = l_Lean_Meta_instantiateMVars(x_25, x_2, x_3);
+x_27 = !lean_is_exclusive(x_26);
+if (x_27 == 0)
+{
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_26, 0);
+lean_ctor_set_tag(x_1, 0);
+lean_ctor_set(x_1, 0, x_28);
+lean_ctor_set(x_26, 0, x_1);
+return x_26;
+}
+else
+{
+lean_object* x_29; lean_object* x_30; lean_object* x_31; 
+x_29 = lean_ctor_get(x_26, 0);
+x_30 = lean_ctor_get(x_26, 1);
+lean_inc(x_30);
+lean_inc(x_29);
 lean_dec(x_26);
-x_27 = lean_ctor_get(x_1, 0);
-lean_dec(x_27);
-x_28 = lean_ctor_get(x_23, 0);
-lean_inc(x_28);
-lean_dec(x_23);
-x_29 = l_Lean_Meta_instantiateMVars(x_28, x_2, x_3);
-x_30 = !lean_is_exclusive(x_29);
-if (x_30 == 0)
-{
-lean_object* x_31; 
-x_31 = lean_ctor_get(x_29, 0);
 lean_ctor_set_tag(x_1, 0);
-lean_ctor_set(x_1, 1, x_31);
-lean_ctor_set(x_29, 0, x_1);
-return x_29;
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_29, 0);
-x_33 = lean_ctor_get(x_29, 1);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_dec(x_29);
-lean_ctor_set_tag(x_1, 0);
-lean_ctor_set(x_1, 1, x_32);
-x_34 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_34, 0, x_1);
-lean_ctor_set(x_34, 1, x_33);
-return x_34;
+lean_ctor_set(x_1, 0, x_29);
+x_31 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_31, 0, x_1);
+lean_ctor_set(x_31, 1, x_30);
+return x_31;
 }
 }
 else
 {
-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_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_dec(x_1);
-x_35 = lean_ctor_get(x_23, 0);
+x_32 = lean_ctor_get(x_21, 0);
+lean_inc(x_32);
+lean_dec(x_21);
+x_33 = l_Lean_Meta_instantiateMVars(x_32, x_2, x_3);
+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_23);
-x_36 = l_Lean_Meta_instantiateMVars(x_35, x_2, x_3);
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-if (lean_is_exclusive(x_36)) {
- lean_ctor_release(x_36, 0);
- lean_ctor_release(x_36, 1);
- x_39 = x_36;
+if (lean_is_exclusive(x_33)) {
+ lean_ctor_release(x_33, 0);
+ lean_ctor_release(x_33, 1);
+ x_36 = x_33;
 } else {
- lean_dec_ref(x_36);
- x_39 = lean_box(0);
+ lean_dec_ref(x_33);
+ x_36 = lean_box(0);
 }
-x_40 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_40, 0, x_20);
-lean_ctor_set(x_40, 1, x_37);
-if (lean_is_scalar(x_39)) {
- x_41 = lean_alloc_ctor(0, 2, 0);
+x_37 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_37, 0, x_34);
+if (lean_is_scalar(x_36)) {
+ x_38 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_41 = x_39;
+ x_38 = x_36;
 }
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_38);
-return x_41;
+lean_ctor_set(x_38, 0, x_37);
+lean_ctor_set(x_38, 1, x_35);
+return x_38;
 }
 }
 }
 case 2:
 {
-uint8_t x_42; 
-x_42 = !lean_is_exclusive(x_1);
-if (x_42 == 0)
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_1);
+if (x_39 == 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; uint8_t x_49; 
-x_43 = lean_ctor_get(x_1, 3);
-x_44 = lean_ctor_get(x_1, 4);
-x_45 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__1(x_43, x_2, x_3);
-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_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_44, x_2, x_47);
-x_49 = !lean_is_exclusive(x_48);
-if (x_49 == 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; uint8_t x_46; 
+x_40 = lean_ctor_get(x_1, 2);
+x_41 = lean_ctor_get(x_1, 3);
+x_42 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__1(x_40, x_2, x_3);
+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 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_41, x_2, x_44);
+x_46 = !lean_is_exclusive(x_45);
+if (x_46 == 0)
 {
-lean_object* x_50; 
-x_50 = lean_ctor_get(x_48, 0);
-lean_ctor_set(x_1, 4, x_50);
-lean_ctor_set(x_1, 3, x_46);
-lean_ctor_set(x_48, 0, x_1);
-return x_48;
+lean_object* x_47; 
+x_47 = lean_ctor_get(x_45, 0);
+lean_ctor_set(x_1, 3, x_47);
+lean_ctor_set(x_1, 2, x_43);
+lean_ctor_set(x_45, 0, x_1);
+return x_45;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_48, 0);
-x_52 = lean_ctor_get(x_48, 1);
+lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+x_48 = lean_ctor_get(x_45, 0);
+x_49 = lean_ctor_get(x_45, 1);
+lean_inc(x_49);
+lean_inc(x_48);
+lean_dec(x_45);
+lean_ctor_set(x_1, 3, x_48);
+lean_ctor_set(x_1, 2, x_43);
+x_50 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_50, 0, x_1);
+lean_ctor_set(x_50, 1, x_49);
+return x_50;
+}
+}
+else
+{
+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_51 = lean_ctor_get(x_1, 0);
+x_52 = lean_ctor_get(x_1, 1);
+x_53 = lean_ctor_get(x_1, 2);
+x_54 = lean_ctor_get(x_1, 3);
+lean_inc(x_54);
+lean_inc(x_53);
 lean_inc(x_52);
 lean_inc(x_51);
-lean_dec(x_48);
-lean_ctor_set(x_1, 4, x_51);
-lean_ctor_set(x_1, 3, x_46);
-x_53 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_53, 0, x_1);
-lean_ctor_set(x_53, 1, x_52);
-return x_53;
-}
-}
-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; 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; 
-x_54 = lean_ctor_get(x_1, 0);
-x_55 = lean_ctor_get(x_1, 1);
-x_56 = lean_ctor_get(x_1, 2);
-x_57 = lean_ctor_get(x_1, 3);
-x_58 = lean_ctor_get(x_1, 4);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_inc(x_55);
-lean_inc(x_54);
 lean_dec(x_1);
-x_59 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__1(x_57, x_2, x_3);
-x_60 = lean_ctor_get(x_59, 0);
+x_55 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__1(x_53, x_2, x_3);
+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_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_54, x_2, 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);
-x_61 = lean_ctor_get(x_59, 1);
-lean_inc(x_61);
-lean_dec(x_59);
-x_62 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_58, x_2, x_61);
-x_63 = lean_ctor_get(x_62, 0);
-lean_inc(x_63);
-x_64 = lean_ctor_get(x_62, 1);
-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;
+if (lean_is_exclusive(x_58)) {
+ lean_ctor_release(x_58, 0);
+ lean_ctor_release(x_58, 1);
+ x_61 = x_58;
 } else {
- lean_dec_ref(x_62);
- x_65 = lean_box(0);
+ lean_dec_ref(x_58);
+ x_61 = lean_box(0);
 }
-x_66 = lean_alloc_ctor(2, 5, 0);
-lean_ctor_set(x_66, 0, x_54);
-lean_ctor_set(x_66, 1, x_55);
-lean_ctor_set(x_66, 2, x_56);
-lean_ctor_set(x_66, 3, x_60);
-lean_ctor_set(x_66, 4, x_63);
-if (lean_is_scalar(x_65)) {
- x_67 = lean_alloc_ctor(0, 2, 0);
+x_62 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_62, 0, x_51);
+lean_ctor_set(x_62, 1, x_52);
+lean_ctor_set(x_62, 2, x_56);
+lean_ctor_set(x_62, 3, x_59);
+if (lean_is_scalar(x_61)) {
+ x_63 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_67 = x_65;
+ x_63 = x_61;
 }
-lean_ctor_set(x_67, 0, x_66);
-lean_ctor_set(x_67, 1, x_64);
-return x_67;
+lean_ctor_set(x_63, 0, x_62);
+lean_ctor_set(x_63, 1, x_60);
+return x_63;
 }
 }
 case 3:
 {
-uint8_t x_68; 
-x_68 = !lean_is_exclusive(x_1);
-if (x_68 == 0)
+uint8_t x_64; 
+x_64 = !lean_is_exclusive(x_1);
+if (x_64 == 0)
 {
-lean_object* x_69; lean_object* x_70; uint8_t x_71; 
-x_69 = lean_ctor_get(x_1, 1);
-x_70 = l_Lean_Meta_instantiateMVars(x_69, x_2, x_3);
-x_71 = !lean_is_exclusive(x_70);
-if (x_71 == 0)
+lean_object* x_65; lean_object* x_66; uint8_t x_67; 
+x_65 = lean_ctor_get(x_1, 0);
+x_66 = l_Lean_Meta_instantiateMVars(x_65, x_2, x_3);
+x_67 = !lean_is_exclusive(x_66);
+if (x_67 == 0)
 {
-lean_object* x_72; 
-x_72 = lean_ctor_get(x_70, 0);
-lean_ctor_set(x_1, 1, x_72);
-lean_ctor_set(x_70, 0, x_1);
-return x_70;
+lean_object* x_68; 
+x_68 = lean_ctor_get(x_66, 0);
+lean_ctor_set(x_1, 0, x_68);
+lean_ctor_set(x_66, 0, x_1);
+return x_66;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_70, 0);
-x_74 = lean_ctor_get(x_70, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_70);
-lean_ctor_set(x_1, 1, x_73);
-x_75 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_75, 0, x_1);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
+lean_object* x_69; lean_object* x_70; lean_object* x_71; 
+x_69 = lean_ctor_get(x_66, 0);
+x_70 = lean_ctor_get(x_66, 1);
+lean_inc(x_70);
+lean_inc(x_69);
+lean_dec(x_66);
+lean_ctor_set(x_1, 0, 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_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_76 = lean_ctor_get(x_1, 0);
-x_77 = lean_ctor_get(x_1, 1);
-lean_inc(x_77);
-lean_inc(x_76);
+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_72 = lean_ctor_get(x_1, 0);
+lean_inc(x_72);
 lean_dec(x_1);
-x_78 = l_Lean_Meta_instantiateMVars(x_77, x_2, x_3);
-x_79 = lean_ctor_get(x_78, 0);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_78, 1);
-lean_inc(x_80);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_81 = x_78;
+x_73 = l_Lean_Meta_instantiateMVars(x_72, x_2, x_3);
+x_74 = lean_ctor_get(x_73, 0);
+lean_inc(x_74);
+x_75 = lean_ctor_get(x_73, 1);
+lean_inc(x_75);
+if (lean_is_exclusive(x_73)) {
+ lean_ctor_release(x_73, 0);
+ lean_ctor_release(x_73, 1);
+ x_76 = x_73;
 } else {
- lean_dec_ref(x_78);
- x_81 = lean_box(0);
+ lean_dec_ref(x_73);
+ x_76 = lean_box(0);
 }
-x_82 = lean_alloc_ctor(3, 2, 0);
-lean_ctor_set(x_82, 0, x_76);
-lean_ctor_set(x_82, 1, x_79);
-if (lean_is_scalar(x_81)) {
- x_83 = lean_alloc_ctor(0, 2, 0);
+x_77 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_77, 0, x_74);
+if (lean_is_scalar(x_76)) {
+ x_78 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_83 = x_81;
+ x_78 = x_76;
 }
-lean_ctor_set(x_83, 0, x_82);
-lean_ctor_set(x_83, 1, x_80);
-return x_83;
+lean_ctor_set(x_78, 0, x_77);
+lean_ctor_set(x_78, 1, x_75);
+return x_78;
 }
 }
 case 4:
 {
-uint8_t x_84; 
-x_84 = !lean_is_exclusive(x_1);
-if (x_84 == 0)
+uint8_t x_79; 
+x_79 = !lean_is_exclusive(x_1);
+if (x_79 == 0)
 {
-lean_object* x_85; lean_object* x_86; lean_object* x_87; lean_object* x_88; lean_object* x_89; lean_object* x_90; uint8_t x_91; 
-x_85 = lean_ctor_get(x_1, 1);
-x_86 = lean_ctor_get(x_1, 2);
-x_87 = l_Lean_Meta_instantiateMVars(x_85, x_2, x_3);
-x_88 = lean_ctor_get(x_87, 0);
-lean_inc(x_88);
-x_89 = lean_ctor_get(x_87, 1);
+lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; lean_object* x_85; uint8_t x_86; 
+x_80 = lean_ctor_get(x_1, 0);
+x_81 = lean_ctor_get(x_1, 1);
+x_82 = l_Lean_Meta_instantiateMVars(x_80, x_2, x_3);
+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 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_81, x_2, x_84);
+x_86 = !lean_is_exclusive(x_85);
+if (x_86 == 0)
+{
+lean_object* x_87; 
+x_87 = lean_ctor_get(x_85, 0);
+lean_ctor_set(x_1, 1, x_87);
+lean_ctor_set(x_1, 0, x_83);
+lean_ctor_set(x_85, 0, x_1);
+return x_85;
+}
+else
+{
+lean_object* x_88; lean_object* x_89; lean_object* x_90; 
+x_88 = lean_ctor_get(x_85, 0);
+x_89 = lean_ctor_get(x_85, 1);
 lean_inc(x_89);
-lean_dec(x_87);
-x_90 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_86, x_2, x_89);
-x_91 = !lean_is_exclusive(x_90);
-if (x_91 == 0)
-{
-lean_object* x_92; 
-x_92 = lean_ctor_get(x_90, 0);
-lean_ctor_set(x_1, 2, x_92);
+lean_inc(x_88);
+lean_dec(x_85);
 lean_ctor_set(x_1, 1, x_88);
+lean_ctor_set(x_1, 0, x_83);
+x_90 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_90, 0, x_1);
+lean_ctor_set(x_90, 1, x_89);
 return x_90;
 }
-else
-{
-lean_object* x_93; lean_object* x_94; lean_object* x_95; 
-x_93 = lean_ctor_get(x_90, 0);
-x_94 = lean_ctor_get(x_90, 1);
-lean_inc(x_94);
-lean_inc(x_93);
-lean_dec(x_90);
-lean_ctor_set(x_1, 2, x_93);
-lean_ctor_set(x_1, 1, x_88);
-x_95 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_95, 0, x_1);
-lean_ctor_set(x_95, 1, x_94);
-return x_95;
-}
 }
 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; 
-x_96 = lean_ctor_get(x_1, 0);
-x_97 = lean_ctor_get(x_1, 1);
-x_98 = lean_ctor_get(x_1, 2);
-lean_inc(x_98);
-lean_inc(x_97);
-lean_inc(x_96);
+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; 
+x_91 = lean_ctor_get(x_1, 0);
+x_92 = lean_ctor_get(x_1, 1);
+lean_inc(x_92);
+lean_inc(x_91);
 lean_dec(x_1);
-x_99 = l_Lean_Meta_instantiateMVars(x_97, x_2, x_3);
-x_100 = lean_ctor_get(x_99, 0);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_99, 1);
-lean_inc(x_101);
-lean_dec(x_99);
-x_102 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_98, x_2, x_101);
-x_103 = lean_ctor_get(x_102, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_102, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_102)) {
- lean_ctor_release(x_102, 0);
- lean_ctor_release(x_102, 1);
- x_105 = x_102;
+x_93 = l_Lean_Meta_instantiateMVars(x_91, x_2, x_3);
+x_94 = lean_ctor_get(x_93, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_93, 1);
+lean_inc(x_95);
+lean_dec(x_93);
+x_96 = l_List_mapM___main___at_Lean_Meta_DepElim_Pattern_instantiateMVars___main___spec__2(x_92, x_2, x_95);
+x_97 = lean_ctor_get(x_96, 0);
+lean_inc(x_97);
+x_98 = lean_ctor_get(x_96, 1);
+lean_inc(x_98);
+if (lean_is_exclusive(x_96)) {
+ lean_ctor_release(x_96, 0);
+ lean_ctor_release(x_96, 1);
+ x_99 = x_96;
 } else {
- lean_dec_ref(x_102);
- x_105 = lean_box(0);
+ lean_dec_ref(x_96);
+ x_99 = lean_box(0);
 }
-x_106 = lean_alloc_ctor(4, 3, 0);
-lean_ctor_set(x_106, 0, x_96);
-lean_ctor_set(x_106, 1, x_100);
-lean_ctor_set(x_106, 2, x_103);
-if (lean_is_scalar(x_105)) {
- x_107 = lean_alloc_ctor(0, 2, 0);
+x_100 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_100, 0, x_94);
+lean_ctor_set(x_100, 1, x_97);
+if (lean_is_scalar(x_99)) {
+ x_101 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_107 = x_105;
+ x_101 = x_99;
 }
-lean_ctor_set(x_107, 0, x_106);
-lean_ctor_set(x_107, 1, x_104);
-return x_107;
+lean_ctor_set(x_101, 0, x_100);
+lean_ctor_set(x_101, 1, x_98);
+return x_101;
 }
 }
 default: 
 {
-uint8_t x_108; 
-x_108 = !lean_is_exclusive(x_1);
+uint8_t x_102; 
+x_102 = !lean_is_exclusive(x_1);
+if (x_102 == 0)
+{
+lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
+x_103 = lean_ctor_get(x_1, 0);
+x_104 = lean_ctor_get(x_1, 1);
+x_105 = lean_ctor_get(x_3, 1);
+lean_inc(x_105);
+lean_inc(x_103);
+x_106 = lean_metavar_ctx_get_expr_assignment(x_105, x_103);
+if (lean_obj_tag(x_106) == 0)
+{
+lean_object* x_107; uint8_t x_108; 
+x_107 = l_Lean_Meta_DepElim_Pattern_instantiateMVars___main(x_104, x_2, x_3);
+x_108 = !lean_is_exclusive(x_107);
 if (x_108 == 0)
 {
-lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-x_109 = lean_ctor_get(x_1, 0);
-x_110 = lean_ctor_get(x_1, 1);
-x_111 = lean_ctor_get(x_1, 2);
-x_112 = lean_ctor_get(x_3, 1);
-lean_inc(x_112);
+lean_object* x_109; 
+x_109 = lean_ctor_get(x_107, 0);
+lean_ctor_set(x_1, 1, x_109);
+lean_ctor_set(x_107, 0, x_1);
+return x_107;
+}
+else
+{
+lean_object* x_110; lean_object* x_111; lean_object* x_112; 
+x_110 = lean_ctor_get(x_107, 0);
+x_111 = lean_ctor_get(x_107, 1);
+lean_inc(x_111);
 lean_inc(x_110);
-x_113 = lean_metavar_ctx_get_expr_assignment(x_112, x_110);
-if (lean_obj_tag(x_113) == 0)
-{
-lean_object* x_114; uint8_t x_115; 
-x_114 = l_Lean_Meta_DepElim_Pattern_instantiateMVars___main(x_111, x_2, x_3);
-x_115 = !lean_is_exclusive(x_114);
-if (x_115 == 0)
-{
-lean_object* x_116; 
-x_116 = lean_ctor_get(x_114, 0);
-lean_ctor_set(x_1, 2, x_116);
-lean_ctor_set(x_114, 0, x_1);
-return x_114;
-}
-else
-{
-lean_object* x_117; lean_object* x_118; lean_object* x_119; 
-x_117 = lean_ctor_get(x_114, 0);
-x_118 = lean_ctor_get(x_114, 1);
-lean_inc(x_118);
-lean_inc(x_117);
-lean_dec(x_114);
-lean_ctor_set(x_1, 2, x_117);
-x_119 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_119, 0, x_1);
-lean_ctor_set(x_119, 1, x_118);
-return x_119;
+lean_dec(x_107);
+lean_ctor_set(x_1, 1, x_110);
+x_112 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_112, 0, x_1);
+lean_ctor_set(x_112, 1, x_111);
+return x_112;
 }
 }
 else
 {
-lean_dec(x_113);
+lean_dec(x_106);
 lean_free_object(x_1);
-lean_dec(x_110);
-lean_dec(x_109);
-x_1 = x_111;
+lean_dec(x_103);
+x_1 = x_104;
 goto _start;
 }
 }
 else
 {
-lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; lean_object* x_125; 
-x_121 = lean_ctor_get(x_1, 0);
-x_122 = lean_ctor_get(x_1, 1);
-x_123 = lean_ctor_get(x_1, 2);
-lean_inc(x_123);
-lean_inc(x_122);
-lean_inc(x_121);
+lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
+x_114 = lean_ctor_get(x_1, 0);
+x_115 = lean_ctor_get(x_1, 1);
+lean_inc(x_115);
+lean_inc(x_114);
 lean_dec(x_1);
-x_124 = lean_ctor_get(x_3, 1);
-lean_inc(x_124);
-lean_inc(x_122);
-x_125 = lean_metavar_ctx_get_expr_assignment(x_124, x_122);
-if (lean_obj_tag(x_125) == 0)
+x_116 = lean_ctor_get(x_3, 1);
+lean_inc(x_116);
+lean_inc(x_114);
+x_117 = lean_metavar_ctx_get_expr_assignment(x_116, x_114);
+if (lean_obj_tag(x_117) == 0)
 {
-lean_object* x_126; lean_object* x_127; lean_object* x_128; lean_object* x_129; lean_object* x_130; lean_object* x_131; 
-x_126 = l_Lean_Meta_DepElim_Pattern_instantiateMVars___main(x_123, x_2, x_3);
-x_127 = lean_ctor_get(x_126, 0);
-lean_inc(x_127);
-x_128 = lean_ctor_get(x_126, 1);
-lean_inc(x_128);
-if (lean_is_exclusive(x_126)) {
- lean_ctor_release(x_126, 0);
- lean_ctor_release(x_126, 1);
- x_129 = x_126;
+lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; lean_object* x_122; lean_object* x_123; 
+x_118 = l_Lean_Meta_DepElim_Pattern_instantiateMVars___main(x_115, x_2, x_3);
+x_119 = lean_ctor_get(x_118, 0);
+lean_inc(x_119);
+x_120 = lean_ctor_get(x_118, 1);
+lean_inc(x_120);
+if (lean_is_exclusive(x_118)) {
+ lean_ctor_release(x_118, 0);
+ lean_ctor_release(x_118, 1);
+ x_121 = x_118;
 } else {
- lean_dec_ref(x_126);
- x_129 = lean_box(0);
+ lean_dec_ref(x_118);
+ x_121 = lean_box(0);
 }
-x_130 = lean_alloc_ctor(5, 3, 0);
-lean_ctor_set(x_130, 0, x_121);
-lean_ctor_set(x_130, 1, x_122);
-lean_ctor_set(x_130, 2, x_127);
-if (lean_is_scalar(x_129)) {
- x_131 = lean_alloc_ctor(0, 2, 0);
+x_122 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_122, 0, x_114);
+lean_ctor_set(x_122, 1, x_119);
+if (lean_is_scalar(x_121)) {
+ x_123 = lean_alloc_ctor(0, 2, 0);
 } else {
- x_131 = x_129;
+ x_123 = x_121;
 }
-lean_ctor_set(x_131, 0, x_130);
-lean_ctor_set(x_131, 1, x_128);
-return x_131;
+lean_ctor_set(x_123, 0, x_122);
+lean_ctor_set(x_123, 1, x_120);
+return x_123;
 }
 else
 {
-lean_dec(x_125);
-lean_dec(x_122);
-lean_dec(x_121);
-x_1 = x_123;
+lean_dec(x_117);
+lean_dec(x_114);
+x_1 = x_115;
 goto _start;
 }
 }
@@ -2907,236 +2823,214 @@ x_3 = !lean_is_exclusive(x_2);
 if (x_3 == 0)
 {
 lean_object* x_4; lean_object* x_5; 
-x_4 = lean_ctor_get(x_2, 1);
+x_4 = lean_ctor_get(x_2, 0);
 x_5 = l_Lean_Meta_MVarRenaming_apply(x_1, x_4);
-lean_ctor_set(x_2, 1, x_5);
+lean_ctor_set(x_2, 0, x_5);
 return x_2;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_ctor_get(x_2, 0);
-x_7 = lean_ctor_get(x_2, 1);
-lean_inc(x_7);
 lean_inc(x_6);
 lean_dec(x_2);
-x_8 = l_Lean_Meta_MVarRenaming_apply(x_1, x_7);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_6);
-lean_ctor_set(x_9, 1, x_8);
-return x_9;
+x_7 = l_Lean_Meta_MVarRenaming_apply(x_1, x_6);
+x_8 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_8, 0, x_7);
+return x_8;
 }
 }
 case 1:
 {
-lean_object* x_10; lean_object* x_11; lean_object* x_12; 
-x_10 = lean_ctor_get(x_2, 0);
-lean_inc(x_10);
-x_11 = lean_ctor_get(x_2, 1);
-lean_inc(x_11);
-x_12 = l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(x_1, x_11);
-lean_dec(x_11);
-if (lean_obj_tag(x_12) == 0)
+lean_object* x_9; lean_object* x_10; 
+x_9 = lean_ctor_get(x_2, 0);
+lean_inc(x_9);
+x_10 = l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(x_1, x_9);
+lean_dec(x_9);
+if (lean_obj_tag(x_10) == 0)
 {
+return x_2;
+}
+else
+{
+uint8_t x_11; 
+x_11 = !lean_is_exclusive(x_2);
+if (x_11 == 0)
+{
+lean_object* x_12; lean_object* x_13; 
+x_12 = lean_ctor_get(x_2, 0);
+lean_dec(x_12);
+x_13 = lean_ctor_get(x_10, 0);
+lean_inc(x_13);
 lean_dec(x_10);
+lean_ctor_set(x_2, 0, x_13);
 return x_2;
 }
 else
 {
-uint8_t x_13; 
-x_13 = !lean_is_exclusive(x_2);
-if (x_13 == 0)
-{
-lean_object* x_14; lean_object* x_15; lean_object* x_16; 
-x_14 = lean_ctor_get(x_2, 1);
-lean_dec(x_14);
-x_15 = lean_ctor_get(x_2, 0);
-lean_dec(x_15);
-x_16 = lean_ctor_get(x_12, 0);
-lean_inc(x_16);
-lean_dec(x_12);
-lean_ctor_set(x_2, 1, x_16);
-return x_2;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; 
+lean_object* x_14; lean_object* x_15; 
 lean_dec(x_2);
-x_17 = lean_ctor_get(x_12, 0);
-lean_inc(x_17);
-lean_dec(x_12);
-x_18 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_18, 0, x_10);
-lean_ctor_set(x_18, 1, x_17);
-return x_18;
+x_14 = lean_ctor_get(x_10, 0);
+lean_inc(x_14);
+lean_dec(x_10);
+x_15 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_15, 0, x_14);
+return x_15;
 }
 }
 }
 case 2:
 {
-uint8_t x_19; 
-x_19 = !lean_is_exclusive(x_2);
-if (x_19 == 0)
+uint8_t x_16; 
+x_16 = !lean_is_exclusive(x_2);
+if (x_16 == 0)
 {
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_20 = lean_ctor_get(x_2, 3);
-x_21 = lean_ctor_get(x_2, 4);
-x_22 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__1(x_1, x_20);
-x_23 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__2(x_1, x_21);
-lean_ctor_set(x_2, 4, x_23);
-lean_ctor_set(x_2, 3, x_22);
+lean_object* x_17; lean_object* x_18; lean_object* x_19; lean_object* x_20; 
+x_17 = lean_ctor_get(x_2, 2);
+x_18 = lean_ctor_get(x_2, 3);
+x_19 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__1(x_1, x_17);
+x_20 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__2(x_1, x_18);
+lean_ctor_set(x_2, 3, x_20);
+lean_ctor_set(x_2, 2, x_19);
 return x_2;
 }
 else
 {
-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; 
-x_24 = lean_ctor_get(x_2, 0);
-x_25 = lean_ctor_get(x_2, 1);
-x_26 = lean_ctor_get(x_2, 2);
-x_27 = lean_ctor_get(x_2, 3);
-x_28 = lean_ctor_get(x_2, 4);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_inc(x_26);
-lean_inc(x_25);
+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; 
+x_21 = lean_ctor_get(x_2, 0);
+x_22 = lean_ctor_get(x_2, 1);
+x_23 = lean_ctor_get(x_2, 2);
+x_24 = lean_ctor_get(x_2, 3);
 lean_inc(x_24);
+lean_inc(x_23);
+lean_inc(x_22);
+lean_inc(x_21);
 lean_dec(x_2);
-x_29 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__1(x_1, x_27);
-x_30 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__2(x_1, x_28);
-x_31 = lean_alloc_ctor(2, 5, 0);
-lean_ctor_set(x_31, 0, x_24);
-lean_ctor_set(x_31, 1, x_25);
-lean_ctor_set(x_31, 2, x_26);
-lean_ctor_set(x_31, 3, x_29);
-lean_ctor_set(x_31, 4, x_30);
-return x_31;
+x_25 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__1(x_1, x_23);
+x_26 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__2(x_1, x_24);
+x_27 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_27, 0, x_21);
+lean_ctor_set(x_27, 1, x_22);
+lean_ctor_set(x_27, 2, x_25);
+lean_ctor_set(x_27, 3, x_26);
+return x_27;
 }
 }
 case 3:
 {
-uint8_t x_32; 
-x_32 = !lean_is_exclusive(x_2);
-if (x_32 == 0)
+uint8_t x_28; 
+x_28 = !lean_is_exclusive(x_2);
+if (x_28 == 0)
 {
-lean_object* x_33; lean_object* x_34; 
-x_33 = lean_ctor_get(x_2, 1);
-x_34 = l_Lean_Meta_MVarRenaming_apply(x_1, x_33);
-lean_ctor_set(x_2, 1, x_34);
+lean_object* x_29; lean_object* x_30; 
+x_29 = lean_ctor_get(x_2, 0);
+x_30 = l_Lean_Meta_MVarRenaming_apply(x_1, x_29);
+lean_ctor_set(x_2, 0, x_30);
 return x_2;
 }
 else
 {
-lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
-x_35 = lean_ctor_get(x_2, 0);
-x_36 = lean_ctor_get(x_2, 1);
-lean_inc(x_36);
-lean_inc(x_35);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_2, 0);
+lean_inc(x_31);
 lean_dec(x_2);
-x_37 = l_Lean_Meta_MVarRenaming_apply(x_1, x_36);
-x_38 = lean_alloc_ctor(3, 2, 0);
-lean_ctor_set(x_38, 0, x_35);
-lean_ctor_set(x_38, 1, x_37);
-return x_38;
+x_32 = l_Lean_Meta_MVarRenaming_apply(x_1, x_31);
+x_33 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_33, 0, x_32);
+return x_33;
 }
 }
 case 4:
 {
-uint8_t x_39; 
-x_39 = !lean_is_exclusive(x_2);
-if (x_39 == 0)
+uint8_t x_34; 
+x_34 = !lean_is_exclusive(x_2);
+if (x_34 == 0)
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_2, 1);
-x_41 = lean_ctor_get(x_2, 2);
-x_42 = l_Lean_Meta_MVarRenaming_apply(x_1, x_40);
-x_43 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__3(x_1, x_41);
-lean_ctor_set(x_2, 2, x_43);
-lean_ctor_set(x_2, 1, x_42);
+lean_object* x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_35 = lean_ctor_get(x_2, 0);
+x_36 = lean_ctor_get(x_2, 1);
+x_37 = l_Lean_Meta_MVarRenaming_apply(x_1, x_35);
+x_38 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__3(x_1, x_36);
+lean_ctor_set(x_2, 1, x_38);
+lean_ctor_set(x_2, 0, x_37);
 return x_2;
 }
 else
 {
-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_44 = lean_ctor_get(x_2, 0);
-x_45 = lean_ctor_get(x_2, 1);
-x_46 = lean_ctor_get(x_2, 2);
-lean_inc(x_46);
-lean_inc(x_45);
-lean_inc(x_44);
+lean_object* x_39; lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_39 = lean_ctor_get(x_2, 0);
+x_40 = lean_ctor_get(x_2, 1);
+lean_inc(x_40);
+lean_inc(x_39);
 lean_dec(x_2);
-x_47 = l_Lean_Meta_MVarRenaming_apply(x_1, x_45);
-x_48 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__3(x_1, x_46);
-x_49 = lean_alloc_ctor(4, 3, 0);
-lean_ctor_set(x_49, 0, x_44);
-lean_ctor_set(x_49, 1, x_47);
-lean_ctor_set(x_49, 2, x_48);
-return x_49;
+x_41 = l_Lean_Meta_MVarRenaming_apply(x_1, x_39);
+x_42 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main___spec__3(x_1, x_40);
+x_43 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_43, 0, x_41);
+lean_ctor_set(x_43, 1, x_42);
+return x_43;
 }
 }
 default: 
 {
-uint8_t x_50; 
-x_50 = !lean_is_exclusive(x_2);
-if (x_50 == 0)
+uint8_t x_44; 
+x_44 = !lean_is_exclusive(x_2);
+if (x_44 == 0)
+{
+lean_object* x_45; lean_object* x_46; lean_object* x_47; 
+x_45 = lean_ctor_get(x_2, 0);
+x_46 = lean_ctor_get(x_2, 1);
+x_47 = l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(x_1, x_45);
+if (lean_obj_tag(x_47) == 0)
+{
+lean_object* x_48; 
+x_48 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_46);
+lean_ctor_set(x_2, 1, x_48);
+return x_2;
+}
+else
+{
+lean_object* x_49; lean_object* x_50; 
+lean_dec(x_45);
+x_49 = lean_ctor_get(x_47, 0);
+lean_inc(x_49);
+lean_dec(x_47);
+x_50 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_46);
+lean_ctor_set(x_2, 1, x_50);
+lean_ctor_set(x_2, 0, x_49);
+return x_2;
+}
+}
+else
 {
 lean_object* x_51; lean_object* x_52; lean_object* x_53; 
-x_51 = lean_ctor_get(x_2, 1);
-x_52 = lean_ctor_get(x_2, 2);
+x_51 = lean_ctor_get(x_2, 0);
+x_52 = lean_ctor_get(x_2, 1);
+lean_inc(x_52);
+lean_inc(x_51);
+lean_dec(x_2);
 x_53 = l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(x_1, x_51);
 if (lean_obj_tag(x_53) == 0)
 {
-lean_object* x_54; 
+lean_object* x_54; lean_object* x_55; 
 x_54 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_52);
-lean_ctor_set(x_2, 2, x_54);
-return x_2;
+x_55 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_55, 0, x_51);
+lean_ctor_set(x_55, 1, x_54);
+return x_55;
 }
 else
 {
-lean_object* x_55; lean_object* x_56; 
+lean_object* x_56; lean_object* x_57; lean_object* x_58; 
 lean_dec(x_51);
-x_55 = lean_ctor_get(x_53, 0);
-lean_inc(x_55);
+x_56 = lean_ctor_get(x_53, 0);
+lean_inc(x_56);
 lean_dec(x_53);
-x_56 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_52);
-lean_ctor_set(x_2, 2, x_56);
-lean_ctor_set(x_2, 1, x_55);
-return x_2;
-}
-}
-else
-{
-lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
-x_57 = lean_ctor_get(x_2, 0);
-x_58 = lean_ctor_get(x_2, 1);
-x_59 = lean_ctor_get(x_2, 2);
-lean_inc(x_59);
-lean_inc(x_58);
-lean_inc(x_57);
-lean_dec(x_2);
-x_60 = l_Std_RBNode_find___main___at_Lean_Meta_MVarRenaming_find_x3f___spec__1(x_1, x_58);
-if (lean_obj_tag(x_60) == 0)
-{
-lean_object* x_61; lean_object* x_62; 
-x_61 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_59);
-x_62 = lean_alloc_ctor(5, 3, 0);
-lean_ctor_set(x_62, 0, x_57);
-lean_ctor_set(x_62, 1, x_58);
-lean_ctor_set(x_62, 2, x_61);
-return x_62;
-}
-else
-{
-lean_object* x_63; lean_object* x_64; lean_object* x_65; 
-lean_dec(x_58);
-x_63 = lean_ctor_get(x_60, 0);
-lean_inc(x_63);
-lean_dec(x_60);
-x_64 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_59);
-x_65 = lean_alloc_ctor(5, 3, 0);
-lean_ctor_set(x_65, 0, x_57);
-lean_ctor_set(x_65, 1, x_63);
-lean_ctor_set(x_65, 2, x_64);
-return x_65;
+x_57 = l_Lean_Meta_DepElim_Pattern_applyMVarRenaming___main(x_1, x_52);
+x_58 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_58, 0, x_56);
+lean_ctor_set(x_58, 1, x_57);
+return x_58;
 }
 }
 }
@@ -3342,255 +3236,231 @@ x_3 = !lean_is_exclusive(x_2);
 if (x_3 == 0)
 {
 lean_object* x_4; lean_object* x_5; 
-x_4 = lean_ctor_get(x_2, 1);
+x_4 = lean_ctor_get(x_2, 0);
 x_5 = l_Lean_Meta_FVarSubst_apply(x_1, x_4);
-lean_ctor_set(x_2, 1, x_5);
+lean_ctor_set(x_2, 0, x_5);
 return x_2;
 }
 else
 {
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
+lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_ctor_get(x_2, 0);
-x_7 = lean_ctor_get(x_2, 1);
-lean_inc(x_7);
 lean_inc(x_6);
 lean_dec(x_2);
-x_8 = l_Lean_Meta_FVarSubst_apply(x_1, x_7);
-x_9 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_9, 0, x_6);
-lean_ctor_set(x_9, 1, x_8);
-return x_9;
+x_7 = l_Lean_Meta_FVarSubst_apply(x_1, x_6);
+x_8 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_8, 0, x_7);
+return x_8;
 }
 }
 case 1:
 {
-uint8_t x_10; 
-x_10 = !lean_is_exclusive(x_2);
-if (x_10 == 0)
+uint8_t x_9; 
+x_9 = !lean_is_exclusive(x_2);
+if (x_9 == 0)
 {
-lean_object* x_11; lean_object* x_12; lean_object* x_13; 
-x_11 = lean_ctor_get(x_2, 0);
-x_12 = lean_ctor_get(x_2, 1);
-x_13 = l_Lean_Meta_FVarSubst_get(x_1, x_12);
-if (lean_obj_tag(x_13) == 2)
+lean_object* x_10; lean_object* x_11; 
+x_10 = lean_ctor_get(x_2, 0);
+x_11 = l_Lean_Meta_FVarSubst_get(x_1, x_10);
+if (lean_obj_tag(x_11) == 2)
 {
-lean_object* x_14; 
-x_14 = lean_ctor_get(x_13, 0);
-lean_inc(x_14);
-lean_dec(x_13);
-lean_ctor_set(x_2, 1, x_14);
+lean_object* x_12; 
+x_12 = lean_ctor_get(x_11, 0);
+lean_inc(x_12);
+lean_dec(x_11);
+lean_ctor_set(x_2, 0, x_12);
 return x_2;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; 
-lean_dec(x_13);
-lean_free_object(x_2);
+lean_object* x_13; lean_object* x_14; 
 lean_dec(x_11);
-x_15 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
-x_16 = l_unreachable_x21___rarg(x_15);
-return x_16;
+lean_free_object(x_2);
+x_13 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
+x_14 = l_unreachable_x21___rarg(x_13);
+return x_14;
 }
 }
 else
 {
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_2, 0);
-x_18 = lean_ctor_get(x_2, 1);
-lean_inc(x_18);
-lean_inc(x_17);
+lean_object* x_15; lean_object* x_16; 
+x_15 = lean_ctor_get(x_2, 0);
+lean_inc(x_15);
 lean_dec(x_2);
-x_19 = l_Lean_Meta_FVarSubst_get(x_1, x_18);
-if (lean_obj_tag(x_19) == 2)
+x_16 = l_Lean_Meta_FVarSubst_get(x_1, x_15);
+if (lean_obj_tag(x_16) == 2)
 {
-lean_object* x_20; lean_object* x_21; 
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_21, 0, x_17);
-lean_ctor_set(x_21, 1, x_20);
-return x_21;
+lean_object* x_17; lean_object* x_18; 
+x_17 = lean_ctor_get(x_16, 0);
+lean_inc(x_17);
+lean_dec(x_16);
+x_18 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_18, 0, x_17);
+return x_18;
 }
 else
 {
-lean_object* x_22; lean_object* x_23; 
-lean_dec(x_19);
-lean_dec(x_17);
-x_22 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
-x_23 = l_unreachable_x21___rarg(x_22);
-return x_23;
+lean_object* x_19; lean_object* x_20; 
+lean_dec(x_16);
+x_19 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
+x_20 = l_unreachable_x21___rarg(x_19);
+return x_20;
 }
 }
 }
 case 2:
 {
-uint8_t x_24; 
-x_24 = !lean_is_exclusive(x_2);
-if (x_24 == 0)
+uint8_t x_21; 
+x_21 = !lean_is_exclusive(x_2);
+if (x_21 == 0)
 {
-lean_object* x_25; lean_object* x_26; lean_object* x_27; lean_object* x_28; 
-x_25 = lean_ctor_get(x_2, 3);
-x_26 = lean_ctor_get(x_2, 4);
-x_27 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__1(x_1, x_25);
-x_28 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__2(x_1, x_26);
-lean_ctor_set(x_2, 4, x_28);
-lean_ctor_set(x_2, 3, x_27);
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
+x_22 = lean_ctor_get(x_2, 2);
+x_23 = lean_ctor_get(x_2, 3);
+x_24 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__1(x_1, x_22);
+x_25 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__2(x_1, x_23);
+lean_ctor_set(x_2, 3, x_25);
+lean_ctor_set(x_2, 2, x_24);
 return x_2;
 }
 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; 
-x_29 = lean_ctor_get(x_2, 0);
-x_30 = lean_ctor_get(x_2, 1);
-x_31 = lean_ctor_get(x_2, 2);
-x_32 = lean_ctor_get(x_2, 3);
-x_33 = lean_ctor_get(x_2, 4);
-lean_inc(x_33);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_inc(x_30);
+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_26 = lean_ctor_get(x_2, 0);
+x_27 = lean_ctor_get(x_2, 1);
+x_28 = lean_ctor_get(x_2, 2);
+x_29 = lean_ctor_get(x_2, 3);
 lean_inc(x_29);
+lean_inc(x_28);
+lean_inc(x_27);
+lean_inc(x_26);
 lean_dec(x_2);
-x_34 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__1(x_1, x_32);
-x_35 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__2(x_1, x_33);
-x_36 = lean_alloc_ctor(2, 5, 0);
-lean_ctor_set(x_36, 0, x_29);
-lean_ctor_set(x_36, 1, x_30);
-lean_ctor_set(x_36, 2, x_31);
-lean_ctor_set(x_36, 3, x_34);
-lean_ctor_set(x_36, 4, x_35);
-return x_36;
+x_30 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__1(x_1, x_28);
+x_31 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__2(x_1, x_29);
+x_32 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_32, 0, x_26);
+lean_ctor_set(x_32, 1, x_27);
+lean_ctor_set(x_32, 2, x_30);
+lean_ctor_set(x_32, 3, x_31);
+return x_32;
 }
 }
 case 3:
 {
-uint8_t x_37; 
-x_37 = !lean_is_exclusive(x_2);
-if (x_37 == 0)
+uint8_t x_33; 
+x_33 = !lean_is_exclusive(x_2);
+if (x_33 == 0)
 {
-lean_object* x_38; lean_object* x_39; 
-x_38 = lean_ctor_get(x_2, 1);
-x_39 = l_Lean_Meta_FVarSubst_apply(x_1, x_38);
-lean_ctor_set(x_2, 1, x_39);
+lean_object* x_34; lean_object* x_35; 
+x_34 = lean_ctor_get(x_2, 0);
+x_35 = l_Lean_Meta_FVarSubst_apply(x_1, x_34);
+lean_ctor_set(x_2, 0, x_35);
 return x_2;
 }
 else
 {
-lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
-x_40 = lean_ctor_get(x_2, 0);
-x_41 = lean_ctor_get(x_2, 1);
-lean_inc(x_41);
-lean_inc(x_40);
+lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_36 = lean_ctor_get(x_2, 0);
+lean_inc(x_36);
 lean_dec(x_2);
-x_42 = l_Lean_Meta_FVarSubst_apply(x_1, x_41);
-x_43 = lean_alloc_ctor(3, 2, 0);
-lean_ctor_set(x_43, 0, x_40);
-lean_ctor_set(x_43, 1, x_42);
-return x_43;
+x_37 = l_Lean_Meta_FVarSubst_apply(x_1, x_36);
+x_38 = lean_alloc_ctor(3, 1, 0);
+lean_ctor_set(x_38, 0, x_37);
+return x_38;
 }
 }
 case 4:
 {
-uint8_t x_44; 
-x_44 = !lean_is_exclusive(x_2);
-if (x_44 == 0)
+uint8_t x_39; 
+x_39 = !lean_is_exclusive(x_2);
+if (x_39 == 0)
 {
-lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
-x_45 = lean_ctor_get(x_2, 1);
-x_46 = lean_ctor_get(x_2, 2);
-x_47 = l_Lean_Meta_FVarSubst_apply(x_1, x_45);
-x_48 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__3(x_1, x_46);
-lean_ctor_set(x_2, 2, x_48);
-lean_ctor_set(x_2, 1, x_47);
+lean_object* x_40; lean_object* x_41; lean_object* x_42; lean_object* x_43; 
+x_40 = lean_ctor_get(x_2, 0);
+x_41 = lean_ctor_get(x_2, 1);
+x_42 = l_Lean_Meta_FVarSubst_apply(x_1, x_40);
+x_43 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__3(x_1, x_41);
+lean_ctor_set(x_2, 1, x_43);
+lean_ctor_set(x_2, 0, x_42);
 return x_2;
 }
 else
 {
-lean_object* x_49; lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_49 = lean_ctor_get(x_2, 0);
-x_50 = lean_ctor_get(x_2, 1);
-x_51 = lean_ctor_get(x_2, 2);
-lean_inc(x_51);
-lean_inc(x_50);
-lean_inc(x_49);
+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_2, 0);
+x_45 = lean_ctor_get(x_2, 1);
+lean_inc(x_45);
+lean_inc(x_44);
 lean_dec(x_2);
-x_52 = l_Lean_Meta_FVarSubst_apply(x_1, x_50);
-x_53 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__3(x_1, x_51);
-x_54 = lean_alloc_ctor(4, 3, 0);
-lean_ctor_set(x_54, 0, x_49);
-lean_ctor_set(x_54, 1, x_52);
-lean_ctor_set(x_54, 2, x_53);
-return x_54;
+x_46 = l_Lean_Meta_FVarSubst_apply(x_1, x_44);
+x_47 = l_List_map___main___at_Lean_Meta_DepElim_Pattern_toIPattern___main___spec__3(x_1, x_45);
+x_48 = lean_alloc_ctor(4, 2, 0);
+lean_ctor_set(x_48, 0, x_46);
+lean_ctor_set(x_48, 1, x_47);
+return x_48;
 }
 }
 default: 
 {
-uint8_t x_55; 
-x_55 = !lean_is_exclusive(x_2);
-if (x_55 == 0)
+uint8_t x_49; 
+x_49 = !lean_is_exclusive(x_2);
+if (x_49 == 0)
 {
-lean_object* x_56; lean_object* x_57; lean_object* x_58; lean_object* x_59; 
-x_56 = lean_ctor_get(x_2, 0);
-x_57 = lean_ctor_get(x_2, 1);
-x_58 = lean_ctor_get(x_2, 2);
-x_59 = l_Lean_Meta_FVarSubst_get(x_1, x_57);
-if (lean_obj_tag(x_59) == 2)
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_2, 0);
+x_51 = lean_ctor_get(x_2, 1);
+x_52 = l_Lean_Meta_FVarSubst_get(x_1, x_50);
+if (lean_obj_tag(x_52) == 2)
 {
-lean_object* x_60; lean_object* x_61; 
-x_60 = lean_ctor_get(x_59, 0);
-lean_inc(x_60);
-lean_dec(x_59);
-x_61 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_58);
-lean_ctor_set(x_2, 2, x_61);
-lean_ctor_set(x_2, 1, x_60);
+lean_object* x_53; lean_object* x_54; 
+x_53 = lean_ctor_get(x_52, 0);
+lean_inc(x_53);
+lean_dec(x_52);
+x_54 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_51);
+lean_ctor_set(x_2, 1, x_54);
+lean_ctor_set(x_2, 0, x_53);
 return x_2;
 }
 else
 {
-lean_object* x_62; lean_object* x_63; 
-lean_dec(x_59);
+lean_object* x_55; lean_object* x_56; 
+lean_dec(x_52);
 lean_free_object(x_2);
-lean_dec(x_58);
-lean_dec(x_56);
-x_62 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
-x_63 = l_unreachable_x21___rarg(x_62);
-return x_63;
+lean_dec(x_51);
+x_55 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
+x_56 = l_unreachable_x21___rarg(x_55);
+return x_56;
 }
 }
 else
 {
-lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_64 = lean_ctor_get(x_2, 0);
-x_65 = lean_ctor_get(x_2, 1);
-x_66 = lean_ctor_get(x_2, 2);
-lean_inc(x_66);
-lean_inc(x_65);
-lean_inc(x_64);
+lean_object* x_57; lean_object* x_58; lean_object* x_59; 
+x_57 = lean_ctor_get(x_2, 0);
+x_58 = lean_ctor_get(x_2, 1);
+lean_inc(x_58);
+lean_inc(x_57);
 lean_dec(x_2);
-x_67 = l_Lean_Meta_FVarSubst_get(x_1, x_65);
-if (lean_obj_tag(x_67) == 2)
+x_59 = l_Lean_Meta_FVarSubst_get(x_1, x_57);
+if (lean_obj_tag(x_59) == 2)
 {
-lean_object* x_68; lean_object* x_69; lean_object* x_70; 
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-lean_dec(x_67);
-x_69 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_66);
-x_70 = lean_alloc_ctor(5, 3, 0);
-lean_ctor_set(x_70, 0, x_64);
-lean_ctor_set(x_70, 1, x_68);
-lean_ctor_set(x_70, 2, x_69);
-return x_70;
+lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+lean_dec(x_59);
+x_61 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_58);
+x_62 = lean_alloc_ctor(5, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+return x_62;
 }
 else
 {
-lean_object* x_71; lean_object* x_72; 
-lean_dec(x_67);
-lean_dec(x_66);
-lean_dec(x_64);
-x_71 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
-x_72 = l_unreachable_x21___rarg(x_71);
-return x_72;
+lean_object* x_63; lean_object* x_64; 
+lean_dec(x_59);
+lean_dec(x_58);
+x_63 = l_Lean_Meta_DepElim_Pattern_toIPattern___main___closed__1;
+x_64 = l_unreachable_x21___rarg(x_63);
+return x_64;
 }
 }
 }
@@ -6895,18 +6765,7 @@ x_6 = l___private_Lean_Meta_EqnCompiler_DepElim_6__localDeclsToMVarsAux___main(x
 return x_6;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_8__mkThunk(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; uint8_t x_3; lean_object* x_4; lean_object* x_5; 
-x_2 = l_Lean_Closure_mkNewLevelParam___closed__2;
-x_3 = 0;
-x_4 = l_Lean_unitToExpr___closed__1;
-x_5 = l_Lean_mkForall(x_2, x_3, x_4, x_1);
-return x_5;
-}
-}
-lean_object* l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; uint8_t x_4; 
@@ -6940,7 +6799,7 @@ goto _start;
 }
 }
 }
-lean_object* l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; uint8_t x_6; 
@@ -7014,7 +6873,7 @@ return x_25;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__3(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__3(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -7033,7 +6892,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8;
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_5);
-x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__3(x_1, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__3(x_1, x_6);
 lean_ctor_set(x_2, 1, x_8);
 lean_ctor_set(x_2, 0, x_7);
 return x_2;
@@ -7047,7 +6906,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_9);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__3(x_1, x_10);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__3(x_1, x_10);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -7056,7 +6915,7 @@ return x_13;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__4(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -7075,7 +6934,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8;
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_5);
-x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__4(x_1, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__4(x_1, x_6);
 lean_ctor_set(x_2, 1, x_8);
 lean_ctor_set(x_2, 0, x_7);
 return x_2;
@@ -7089,7 +6948,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_DepElim_Pattern_toIPattern___main(x_1, x_9);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__4(x_1, x_10);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__4(x_1, x_10);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -7098,7 +6957,7 @@ return x_13;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___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* l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___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_object* x_7; lean_object* x_8; 
@@ -7108,7 +6967,7 @@ x_8 = l_Lean_Meta_mkForall(x_2, x_7, x_4, x_5);
 return x_8;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___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* l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___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:
 {
 uint8_t x_13; lean_object* x_14; lean_object* x_15; 
@@ -7132,7 +6991,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_16, 1);
 lean_inc(x_21);
 lean_dec(x_16);
-x_22 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__3(x_21, x_4);
+x_22 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__3(x_21, x_4);
 x_23 = l_Lean_Meta_FVarSubst_apply(x_21, x_19);
 lean_dec(x_21);
 x_24 = lean_alloc_ctor(0, 4, 0);
@@ -7143,7 +7002,7 @@ lean_ctor_set(x_24, 3, x_22);
 x_25 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_25, 0, x_24);
 lean_ctor_set(x_25, 1, x_6);
-x_26 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg(x_7, x_8, x_25, x_14, x_9, x_11, x_17);
+x_26 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg(x_7, x_8, x_25, x_14, x_9, x_11, x_17);
 return x_26;
 }
 else
@@ -7154,14 +7013,14 @@ lean_inc(x_27);
 x_28 = lean_ctor_get(x_15, 1);
 lean_inc(x_28);
 lean_dec(x_15);
-x_29 = l_Lean_unitToExpr___lambda__1___closed__5;
+x_29 = l_Lean_unitToExpr___lambda__1___closed__3;
 x_30 = l_Lean_mkApp(x_10, x_29);
 x_31 = lean_ctor_get(x_27, 0);
 lean_inc(x_31);
 x_32 = lean_ctor_get(x_27, 1);
 lean_inc(x_32);
 lean_dec(x_27);
-x_33 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__4(x_32, x_4);
+x_33 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___spec__4(x_32, x_4);
 x_34 = l_Lean_Meta_FVarSubst_apply(x_32, x_30);
 lean_dec(x_32);
 x_35 = lean_alloc_ctor(0, 4, 0);
@@ -7172,12 +7031,12 @@ lean_ctor_set(x_35, 3, x_33);
 x_36 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_36, 0, x_35);
 lean_ctor_set(x_36, 1, x_6);
-x_37 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg(x_7, x_8, x_36, x_14, x_9, x_11, x_28);
+x_37 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg(x_7, x_8, x_36, x_14, x_9, x_11, x_28);
 return x_37;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -7185,17 +7044,17 @@ x_1 = lean_mk_string("EqnCompiler");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l___private_Lean_Meta_Basic_12__regTraceClasses___closed__2;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -7203,17 +7062,17 @@ x_1 = lean_mk_string("matchDebug");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__4() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__2;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__3;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__2;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__5() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__5() {
 _start:
 {
 lean_object* x_1; 
@@ -7221,27 +7080,27 @@ x_1 = lean_mk_string("minor premise ");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__6() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__6() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__5;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__5;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__7() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__6;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__6;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___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* l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___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) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -7269,7 +7128,7 @@ lean_inc(x_12);
 x_15 = l_List_toArrayAux___main___rarg(x_12, x_14);
 x_16 = x_15;
 x_17 = lean_unsigned_to_nat(0u);
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 x_19 = x_18;
 x_20 = lean_ctor_get(x_10, 1);
 lean_inc(x_20);
@@ -7280,13 +7139,13 @@ lean_dec(x_21);
 lean_inc(x_20);
 x_23 = l_List_toArrayAux___main___rarg(x_20, x_22);
 x_24 = x_23;
-x_25 = lean_alloc_closure((void*)(l_Array_umapMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___spec__2), 4, 2);
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 lean_closure_set(x_25, 0, x_17);
 lean_closure_set(x_25, 1, x_24);
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 lean_inc(x_19);
 lean_inc(x_1);
-x_27 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___lambda__1___boxed), 5, 2);
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 lean_closure_set(x_27, 0, x_1);
 lean_closure_set(x_27, 1, x_19);
 x_28 = lean_alloc_closure((void*)(l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg), 4, 2);
@@ -7309,7 +7168,7 @@ x_34 = lean_unsigned_to_nat(1u);
 x_35 = lean_nat_add(x_33, x_34);
 x_36 = l_Lean_Meta_caseValue___closed__2;
 x_37 = l_Lean_Name_appendIndexAfter(x_36, x_35);
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 lean_closure_set(x_38, 0, x_19);
 lean_closure_set(x_38, 1, x_4);
 lean_closure_set(x_38, 2, x_12);
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 lean_inc(x_39);
 x_40 = lean_ctor_get_uint8(x_39, sizeof(void*)*1);
 lean_dec(x_39);
-x_41 = l___private_Lean_Meta_EqnCompiler_DepElim_8__mkThunk(x_30);
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 if (x_40 == 0)
 {
 uint8_t x_42; lean_object* x_43; 
@@ -7337,7 +7196,7 @@ return x_43;
 else
 {
 lean_object* x_44; lean_object* x_45; lean_object* x_46; uint8_t x_47; 
-x_44 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__4;
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 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
@@ -7362,7 +7221,7 @@ lean_dec(x_45);
 lean_inc(x_37);
 x_52 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_52, 0, x_37);
-x_53 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__7;
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 lean_ctor_set(x_54, 0, x_53);
 lean_ctor_set(x_54, 1, x_52);
@@ -7403,7 +7262,7 @@ return x_66;
 else
 {
 lean_object* x_67; lean_object* x_68; lean_object* x_69; uint8_t x_70; 
-x_67 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__4;
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 lean_inc(x_69);
@@ -7428,7 +7287,7 @@ lean_dec(x_68);
 lean_inc(x_37);
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 lean_ctor_set(x_75, 0, x_37);
-x_76 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__7;
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 lean_ctor_set(x_77, 0, x_76);
 lean_ctor_set(x_77, 1, x_75);
@@ -7487,81 +7346,81 @@ return x_89;
 }
 }
 }
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+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main(lean_object* x_1) {
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 lean_object* x_13; 
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 }
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-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___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) {
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 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux(lean_object* x_1) {
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 {
 lean_object* x_2; 
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 }
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 _start:
 {
 lean_object* x_6; lean_object* x_7; lean_object* x_8; 
 x_6 = lean_box(0);
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-x_8 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg(x_1, x_2, x_6, x_7, x_3, x_4, x_5);
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 return x_8;
 }
 }
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+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_9__withAlts(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_10__withAlts___rarg), 5, 0);
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 return x_2;
 }
 }
@@ -7587,7 +7446,7 @@ lean_dec(x_3);
 return x_5;
 }
 }
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 _start:
 {
 lean_object* x_2; uint8_t x_3; 
@@ -7596,17 +7455,17 @@ x_3 = l_List_isEmpty___rarg(x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_11__isDone___boxed(lean_object* x_1) {
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 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_11__isDone(x_1);
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 lean_dec(x_1);
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 return x_3;
 }
 }
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 _start:
 {
 lean_object* x_2; 
@@ -7636,17 +7495,17 @@ return x_6;
 }
 }
 }
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 {
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-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_12__isNextVar(x_1);
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 lean_dec(x_1);
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 return x_3;
 }
 }
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 {
 if (lean_obj_tag(x_2) == 0)
@@ -7658,7 +7517,7 @@ else
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 if (lean_obj_tag(x_6) == 0)
 {
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 }
 }
 }
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 {
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 {
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 lean_dec(x_1);
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 {
 if (lean_obj_tag(x_2) == 0)
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 {
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 {
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-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_14__isVariableTransition(x_1);
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 lean_dec(x_1);
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 {
 if (lean_obj_tag(x_2) == 0)
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 }
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 {
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 }
 }
-lean_object* l_List_foldr___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isConstructorTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldr___main___at___private_Lean_Meta_EqnCompiler_DepElim_14__isConstructorTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; uint8_t x_4; lean_object* x_5; 
 x_3 = lean_unbox(x_1);
 lean_dec(x_1);
-x_4 = l_List_foldr___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isConstructorTransition___spec__1(x_3, x_2);
+x_4 = l_List_foldr___main___at___private_Lean_Meta_EqnCompiler_DepElim_14__isConstructorTransition___spec__1(x_3, x_2);
 lean_dec(x_2);
 x_5 = lean_box(x_4);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_15__isConstructorTransition___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_14__isConstructorTransition___boxed(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isConstructorTransition(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_14__isConstructorTransition(x_1);
 lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -8095,7 +7954,7 @@ goto _start;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__1() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
@@ -8108,12 +7967,12 @@ lean_ctor_set(x_4, 1, x_3);
 return x_4;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__2() {
 _start:
 {
 uint8_t x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_1 = 1;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__1;
 x_3 = lean_box(x_1);
 x_4 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_4, 0, x_3);
@@ -8121,13 +7980,13 @@ lean_ctor_set(x_4, 1, x_2);
 return x_4;
 }
 }
-uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition(lean_object* x_1) {
+uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; 
 x_2 = lean_ctor_get(x_1, 2);
-x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__2;
-x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___spec__1(x_3, x_2);
+x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__2;
+x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___spec__1(x_3, x_2);
 x_5 = lean_ctor_get(x_4, 1);
 lean_inc(x_5);
 x_6 = lean_ctor_get(x_4, 0);
@@ -8169,26 +8028,26 @@ return x_13;
 }
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___spec__1(x_1, x_2);
+x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___spec__1(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___boxed(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition(x_1);
 lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -8422,13 +8281,13 @@ goto _start;
 }
 }
 }
-uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition(lean_object* x_1) {
+uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; 
 x_2 = lean_ctor_get(x_1, 2);
-x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__2;
-x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition___spec__1(x_3, x_2);
+x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__2;
+x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___spec__1(x_3, x_2);
 x_5 = lean_ctor_get(x_4, 1);
 lean_inc(x_5);
 x_6 = lean_ctor_get(x_4, 0);
@@ -8470,26 +8329,26 @@ return x_13;
 }
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition___spec__1(x_1, x_2);
+x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___spec__1(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition___boxed(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition(x_1);
 lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -8723,13 +8582,13 @@ goto _start;
 }
 }
 }
-uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition(lean_object* x_1) {
+uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; lean_object* x_6; uint8_t x_7; 
 x_2 = lean_ctor_get(x_1, 2);
-x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition___closed__2;
-x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___spec__1(x_3, x_2);
+x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition___closed__2;
+x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition___spec__1(x_3, x_2);
 x_5 = lean_ctor_get(x_4, 1);
 lean_inc(x_5);
 x_6 = lean_ctor_get(x_4, 0);
@@ -8771,26 +8630,26 @@ return x_13;
 }
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___spec__1(x_1, x_2);
+x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition___spec__1(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition___boxed(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition(x_1);
 lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___spec__1(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -8816,7 +8675,7 @@ x_7 = lean_ctor_get(x_4, 0);
 x_8 = lean_ctor_get(x_4, 1);
 x_9 = lean_ctor_get(x_4, 2);
 x_10 = lean_ctor_get(x_4, 3);
-x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(x_6);
+x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___spec__1(x_6);
 if (lean_obj_tag(x_10) == 0)
 {
 lean_object* x_12; lean_object* x_13; 
@@ -8873,7 +8732,7 @@ lean_inc(x_22);
 lean_inc(x_21);
 lean_inc(x_20);
 lean_dec(x_4);
-x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(x_19);
+x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___spec__1(x_19);
 if (lean_obj_tag(x_23) == 0)
 {
 lean_object* x_25; lean_object* x_26; 
@@ -8942,7 +8801,7 @@ if (lean_is_exclusive(x_31)) {
  lean_dec_ref(x_31);
  x_37 = lean_box(0);
 }
-x_38 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(x_32);
+x_38 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___spec__1(x_32);
 if (lean_obj_tag(x_36) == 0)
 {
 lean_object* x_39; lean_object* x_40; lean_object* x_41; 
@@ -8992,7 +8851,7 @@ return x_45;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -9000,17 +8859,17 @@ x_1 = lean_mk_string("match");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__2;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__2;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__3() {
 _start:
 {
 lean_object* x_1; 
@@ -9018,27 +8877,27 @@ x_1 = lean_mk_string("non variable step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__4() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__3;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__3;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__5() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__4;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__4;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable(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_object* x_7; lean_object* x_23; uint8_t x_24; 
@@ -9056,7 +8915,7 @@ goto block_22;
 else
 {
 lean_object* x_25; lean_object* x_26; lean_object* x_27; uint8_t x_28; 
-x_25 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_25 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_26 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_25, x_4, x_5);
 x_27 = lean_ctor_get(x_26, 0);
 lean_inc(x_27);
@@ -9077,7 +8936,7 @@ lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33;
 x_30 = lean_ctor_get(x_26, 1);
 lean_inc(x_30);
 lean_dec(x_26);
-x_31 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__5;
+x_31 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__5;
 x_32 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_25, x_31, x_4, x_30);
 x_33 = lean_ctor_get(x_32, 1);
 lean_inc(x_33);
@@ -9107,7 +8966,7 @@ lean_inc(x_11);
 lean_dec(x_6);
 x_12 = lean_ctor_get(x_2, 2);
 lean_inc(x_12);
-x_13 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___spec__1(x_12);
+x_13 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___spec__1(x_12);
 x_14 = !lean_is_exclusive(x_2);
 if (x_14 == 0)
 {
@@ -9141,7 +9000,7 @@ return x_21;
 }
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__4(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -9192,7 +9051,7 @@ goto _start;
 }
 }
 }
-lean_object* l_Std_HashSetImp_moveEntries___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_Std_HashSetImp_moveEntries___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; uint8_t x_5; 
@@ -9211,7 +9070,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_obj
 x_6 = lean_array_fget(x_2, x_1);
 x_7 = lean_box(0);
 x_8 = lean_array_fset(x_2, x_1, x_7);
-x_9 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__4(x_3, x_6);
+x_9 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__4(x_3, x_6);
 x_10 = lean_unsigned_to_nat(1u);
 x_11 = lean_nat_add(x_1, x_10);
 lean_dec(x_1);
@@ -9222,7 +9081,7 @@ goto _start;
 }
 }
 }
-lean_object* l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__2(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__2(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; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
@@ -9233,14 +9092,14 @@ lean_dec(x_3);
 x_6 = lean_box(0);
 x_7 = lean_mk_array(x_5, x_6);
 x_8 = lean_unsigned_to_nat(0u);
-x_9 = l_Std_HashSetImp_moveEntries___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__3(x_8, x_2, x_7);
+x_9 = l_Std_HashSetImp_moveEntries___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__3(x_8, x_2, x_7);
 x_10 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_10, 0, x_1);
 lean_ctor_set(x_10, 1, x_9);
 return x_10;
 }
 }
-lean_object* l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -9261,7 +9120,7 @@ x_7 = lean_nat_dec_eq(x_5, x_2);
 if (x_7 == 0)
 {
 lean_object* x_8; 
-x_8 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(x_6, x_2, x_3);
+x_8 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(x_6, x_2, x_3);
 lean_ctor_set(x_1, 1, x_8);
 return x_1;
 }
@@ -9284,7 +9143,7 @@ x_11 = lean_nat_dec_eq(x_9, x_2);
 if (x_11 == 0)
 {
 lean_object* x_12; lean_object* x_13; 
-x_12 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(x_10, x_2, x_3);
+x_12 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(x_10, x_2, x_3);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_9);
 lean_ctor_set(x_13, 1, x_12);
@@ -9303,7 +9162,7 @@ return x_14;
 }
 }
 }
-lean_object* l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; 
@@ -9334,7 +9193,7 @@ if (x_15 == 0)
 {
 lean_object* x_16; 
 lean_free_object(x_1);
-x_16 = l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__2(x_12, x_14);
+x_16 = l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__2(x_12, x_14);
 return x_16;
 }
 else
@@ -9349,7 +9208,7 @@ else
 lean_object* x_17; lean_object* x_18; 
 lean_dec(x_6);
 lean_inc(x_2);
-x_17 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(x_9, x_2, x_2);
+x_17 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(x_9, x_2, x_2);
 lean_dec(x_2);
 x_18 = lean_array_uset(x_5, x_8, x_17);
 lean_ctor_set(x_1, 1, x_18);
@@ -9384,7 +9243,7 @@ lean_dec(x_21);
 if (x_30 == 0)
 {
 lean_object* x_31; 
-x_31 = l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__2(x_27, x_29);
+x_31 = l_Std_HashSetImp_expand___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__2(x_27, x_29);
 return x_31;
 }
 else
@@ -9401,7 +9260,7 @@ else
 lean_object* x_33; lean_object* x_34; lean_object* x_35; 
 lean_dec(x_21);
 lean_inc(x_2);
-x_33 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(x_24, x_2, x_2);
+x_33 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(x_24, x_2, x_2);
 lean_dec(x_2);
 x_34 = lean_array_uset(x_20, x_23, x_33);
 x_35 = lean_alloc_ctor(0, 2, 0);
@@ -9412,7 +9271,7 @@ return x_35;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 lean_object* x_5; 
@@ -9569,7 +9428,7 @@ x_38 = lean_ctor_get(x_2, 0);
 x_39 = lean_ctor_get(x_35, 0);
 lean_inc(x_39);
 lean_dec(x_35);
-x_40 = l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__1(x_38, x_39);
+x_40 = l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__1(x_38, x_39);
 lean_ctor_set(x_2, 0, x_40);
 x_41 = l_Lean_Meta_DepElim_assignGoalOf(x_1, x_36, x_3, x_4);
 if (lean_obj_tag(x_41) == 0)
@@ -9631,7 +9490,7 @@ lean_dec(x_2);
 x_52 = lean_ctor_get(x_35, 0);
 lean_inc(x_52);
 lean_dec(x_35);
-x_53 = l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__1(x_50, x_52);
+x_53 = l_Std_HashSetImp_insert___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__1(x_50, x_52);
 x_54 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_54, 0, x_53);
 lean_ctor_set(x_54, 1, x_51);
@@ -9687,25 +9546,25 @@ return x_62;
 }
 }
 }
-lean_object* l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___spec__5(x_1, x_2, x_3);
+x_4 = l_List_replace___main___at___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___spec__5(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf___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_Meta_EqnCompiler_DepElim_20__processLeaf(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -9725,7 +9584,7 @@ x_6 = lean_name_eq(x_4, x_2);
 if (x_6 == 0)
 {
 lean_object* x_7; 
-x_7 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_5, x_2);
+x_7 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_5, x_2);
 lean_ctor_set(x_1, 1, x_7);
 return x_1;
 }
@@ -9748,7 +9607,7 @@ x_10 = lean_name_eq(x_8, x_2);
 if (x_10 == 0)
 {
 lean_object* x_11; lean_object* x_12; 
-x_11 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_9, x_2);
+x_11 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_9, x_2);
 x_12 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_12, 0, x_8);
 lean_ctor_set(x_12, 1, x_11);
@@ -9763,7 +9622,7 @@ return x_9;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -9790,7 +9649,7 @@ lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_8, x_2, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_8, x_2, x_11);
 x_13 = !lean_is_exclusive(x_12);
 if (x_13 == 0)
 {
@@ -9831,7 +9690,7 @@ lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
 lean_dec(x_20);
-x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_19, x_2, x_22);
+x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_19, x_2, x_22);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
@@ -9859,7 +9718,7 @@ return x_28;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -9919,9 +9778,9 @@ lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; lean
 x_33 = lean_ctor_get(x_25, 1);
 x_34 = lean_ctor_get(x_25, 0);
 lean_dec(x_34);
-x_35 = lean_ctor_get(x_26, 1);
+x_35 = lean_ctor_get(x_26, 0);
 lean_inc(x_35);
-x_36 = lean_ctor_get(x_26, 2);
+x_36 = lean_ctor_get(x_26, 1);
 lean_inc(x_36);
 lean_dec(x_26);
 lean_inc(x_1);
@@ -9939,10 +9798,10 @@ lean_inc(x_40);
 x_41 = lean_ctor_get(x_39, 1);
 lean_inc(x_41);
 lean_dec(x_39);
-x_42 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_30, x_35);
+x_42 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_30, x_35);
 lean_dec(x_35);
 lean_ctor_set(x_25, 0, x_36);
-x_43 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_25, x_3, x_41);
+x_43 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_25, x_3, x_41);
 x_44 = lean_ctor_get(x_43, 0);
 lean_inc(x_44);
 x_45 = lean_ctor_get(x_43, 1);
@@ -9995,9 +9854,9 @@ lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53;
 x_50 = lean_ctor_get(x_25, 1);
 lean_inc(x_50);
 lean_dec(x_25);
-x_51 = lean_ctor_get(x_26, 1);
+x_51 = lean_ctor_get(x_26, 0);
 lean_inc(x_51);
-x_52 = lean_ctor_get(x_26, 2);
+x_52 = lean_ctor_get(x_26, 1);
 lean_inc(x_52);
 lean_dec(x_26);
 lean_inc(x_1);
@@ -10015,12 +9874,12 @@ lean_inc(x_56);
 x_57 = lean_ctor_get(x_55, 1);
 lean_inc(x_57);
 lean_dec(x_55);
-x_58 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_30, x_51);
+x_58 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_30, x_51);
 lean_dec(x_51);
 x_59 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_59, 0, x_52);
 lean_ctor_set(x_59, 1, x_50);
-x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_59, x_3, x_57);
+x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_59, x_3, x_57);
 x_61 = lean_ctor_get(x_60, 0);
 lean_inc(x_61);
 x_62 = lean_ctor_get(x_60, 1);
@@ -10089,9 +9948,9 @@ if (lean_is_exclusive(x_25)) {
  lean_dec_ref(x_25);
  x_71 = lean_box(0);
 }
-x_72 = lean_ctor_get(x_26, 1);
+x_72 = lean_ctor_get(x_26, 0);
 lean_inc(x_72);
-x_73 = lean_ctor_get(x_26, 2);
+x_73 = lean_ctor_get(x_26, 1);
 lean_inc(x_73);
 lean_dec(x_26);
 lean_inc(x_1);
@@ -10109,7 +9968,7 @@ lean_inc(x_77);
 x_78 = lean_ctor_get(x_76, 1);
 lean_inc(x_78);
 lean_dec(x_76);
-x_79 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_69, x_72);
+x_79 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_69, x_72);
 lean_dec(x_72);
 if (lean_is_scalar(x_71)) {
  x_80 = lean_alloc_ctor(1, 2, 0);
@@ -10118,7 +9977,7 @@ if (lean_is_scalar(x_71)) {
 }
 lean_ctor_set(x_80, 0, x_73);
 lean_ctor_set(x_80, 1, x_70);
-x_81 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_80, x_3, x_78);
+x_81 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_80, x_3, x_78);
 x_82 = lean_ctor_get(x_81, 0);
 lean_inc(x_82);
 x_83 = lean_ctor_get(x_81, 1);
@@ -10181,7 +10040,7 @@ goto block_24;
 block_24:
 {
 lean_object* x_12; 
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__3(x_1, x_8, x_3, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__3(x_1, x_8, x_3, x_11);
 if (lean_obj_tag(x_12) == 0)
 {
 uint8_t x_13; 
@@ -10249,7 +10108,7 @@ return x_23;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -10257,27 +10116,27 @@ x_1 = lean_mk_string("as-pattern step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern(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_object* x_7; lean_object* x_29; uint8_t x_30; 
@@ -10295,7 +10154,7 @@ goto block_28;
 else
 {
 lean_object* x_31; lean_object* x_32; lean_object* x_33; uint8_t x_34; 
-x_31 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_31 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_32 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_31, x_4, x_5);
 x_33 = lean_ctor_get(x_32, 0);
 lean_inc(x_33);
@@ -10316,7 +10175,7 @@ lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39;
 x_36 = lean_ctor_get(x_32, 1);
 lean_inc(x_36);
 lean_dec(x_32);
-x_37 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___closed__3;
+x_37 = l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___closed__3;
 x_38 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_31, x_37, x_4, x_36);
 x_39 = lean_ctor_get(x_38, 1);
 lean_inc(x_39);
@@ -10345,7 +10204,7 @@ x_11 = lean_ctor_get(x_6, 0);
 lean_inc(x_11);
 x_12 = lean_ctor_get(x_2, 2);
 lean_inc(x_12);
-x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__3(x_11, x_12, x_4, x_7);
+x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__3(x_11, x_12, x_4, x_7);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; lean_object* x_15; uint8_t x_16; 
@@ -10414,34 +10273,34 @@ return x_27;
 }
 }
 }
-lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_1, x_2);
+x_3 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__2(x_1, x_2, x_3);
+x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__2(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___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_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__3(x_1, x_2, x_3, x_4);
+x_5 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__3(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 return x_5;
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -10468,7 +10327,7 @@ lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(x_8, x_2, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(x_8, x_2, x_11);
 x_13 = !lean_is_exclusive(x_12);
 if (x_13 == 0)
 {
@@ -10509,7 +10368,7 @@ lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
 lean_dec(x_20);
-x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(x_19, x_2, x_22);
+x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(x_19, x_2, x_22);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
@@ -10537,7 +10396,7 @@ return x_28;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -10677,7 +10536,7 @@ lean_dec(x_48);
 x_49 = lean_ctor_get(x_25, 1);
 lean_inc(x_49);
 lean_dec(x_25);
-x_50 = lean_ctor_get(x_35, 1);
+x_50 = lean_ctor_get(x_35, 0);
 lean_inc(x_50);
 lean_dec(x_35);
 lean_inc(x_1);
@@ -10695,9 +10554,9 @@ lean_inc(x_54);
 x_55 = lean_ctor_get(x_53, 1);
 lean_inc(x_55);
 lean_dec(x_53);
-x_56 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_47, x_50);
+x_56 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_47, x_50);
 lean_dec(x_50);
-x_57 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(x_49, x_3, x_55);
+x_57 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(x_49, x_3, x_55);
 x_58 = lean_ctor_get(x_57, 0);
 lean_inc(x_58);
 x_59 = lean_ctor_get(x_57, 1);
@@ -10756,7 +10615,7 @@ lean_dec(x_7);
 x_67 = lean_ctor_get(x_25, 1);
 lean_inc(x_67);
 lean_dec(x_25);
-x_68 = lean_ctor_get(x_35, 1);
+x_68 = lean_ctor_get(x_35, 0);
 lean_inc(x_68);
 lean_dec(x_35);
 lean_inc(x_1);
@@ -10774,9 +10633,9 @@ lean_inc(x_72);
 x_73 = lean_ctor_get(x_71, 1);
 lean_inc(x_73);
 lean_dec(x_71);
-x_74 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_66, x_68);
+x_74 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_66, x_68);
 lean_dec(x_68);
-x_75 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(x_67, x_3, x_73);
+x_75 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(x_67, x_3, x_73);
 x_76 = lean_ctor_get(x_75, 0);
 lean_inc(x_76);
 x_77 = lean_ctor_get(x_75, 1);
@@ -10880,7 +10739,7 @@ return x_91;
 block_24:
 {
 lean_object* x_12; 
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__2(x_1, x_8, x_3, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__2(x_1, x_8, x_3, x_11);
 if (lean_obj_tag(x_12) == 0)
 {
 uint8_t x_13; 
@@ -10948,7 +10807,7 @@ return x_23;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -10956,27 +10815,27 @@ x_1 = lean_mk_string("variable step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable(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_object* x_7; lean_object* x_30; uint8_t x_31; 
@@ -10994,7 +10853,7 @@ goto block_29;
 else
 {
 lean_object* x_32; lean_object* x_33; lean_object* x_34; uint8_t x_35; 
-x_32 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_32 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_33 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_32, x_4, x_5);
 x_34 = lean_ctor_get(x_33, 0);
 lean_inc(x_34);
@@ -11015,7 +10874,7 @@ lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40;
 x_37 = lean_ctor_get(x_33, 1);
 lean_inc(x_37);
 lean_dec(x_33);
-x_38 = l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___closed__3;
+x_38 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___closed__3;
 x_39 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_32, x_38, x_4, x_37);
 x_40 = lean_ctor_get(x_39, 1);
 lean_inc(x_40);
@@ -11048,7 +10907,7 @@ lean_dec(x_6);
 x_13 = lean_ctor_get(x_2, 2);
 lean_inc(x_13);
 lean_inc(x_4);
-x_14 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__2(x_11, x_13, x_4, x_7);
+x_14 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__2(x_11, x_13, x_4, x_7);
 if (lean_obj_tag(x_14) == 0)
 {
 lean_object* x_15; lean_object* x_16; uint8_t x_17; 
@@ -11118,16 +10977,16 @@ return x_28;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable___spec__1(x_1, x_2, x_3);
+x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable___spec__1(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_23__isFirstPatternCtor(lean_object* x_1, lean_object* x_2) {
+uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_22__isFirstPatternCtor(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
@@ -11145,7 +11004,7 @@ x_5 = lean_ctor_get(x_3, 0);
 if (lean_obj_tag(x_5) == 2)
 {
 lean_object* x_6; uint8_t x_7; 
-x_6 = lean_ctor_get(x_5, 1);
+x_6 = lean_ctor_get(x_5, 0);
 x_7 = lean_name_eq(x_6, x_1);
 return x_7;
 }
@@ -11158,18 +11017,18 @@ return x_8;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_23__isFirstPatternCtor___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_22__isFirstPatternCtor___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 uint8_t x_3; lean_object* x_4; 
-x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_23__isFirstPatternCtor(x_1, x_2);
+x_3 = l___private_Lean_Meta_EqnCompiler_DepElim_22__isFirstPatternCtor(x_1, x_2);
 lean_dec(x_2);
 lean_dec(x_1);
 x_4 = lean_box(x_3);
 return x_4;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -11188,7 +11047,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8;
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_FVarSubst_apply(x_1, x_5);
-x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1(x_1, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1(x_1, x_6);
 lean_ctor_set(x_2, 1, x_8);
 lean_ctor_set(x_2, 0, x_7);
 return x_2;
@@ -11202,7 +11061,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_FVarSubst_apply(x_1, x_9);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1(x_1, x_10);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1(x_1, x_10);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -11211,7 +11070,7 @@ return x_13;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__2(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -11229,7 +11088,7 @@ if (x_3 == 0)
 lean_object* x_4; lean_object* x_5; lean_object* x_6; 
 x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
-x_6 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__2(x_5);
+x_6 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(x_5);
 if (lean_obj_tag(x_4) == 1)
 {
 lean_object* x_7; lean_object* x_8; 
@@ -11260,7 +11119,7 @@ x_11 = lean_ctor_get(x_1, 1);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_dec(x_1);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__2(x_11);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(x_11);
 if (lean_obj_tag(x_10) == 1)
 {
 lean_object* x_13; lean_object* x_14; lean_object* x_15; 
@@ -11288,7 +11147,7 @@ return x_17;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -11311,7 +11170,7 @@ x_9 = lean_ctor_get(x_2, 0);
 x_10 = lean_ctor_get(x_9, 1);
 x_11 = l_Array_toList___rarg(x_10);
 x_12 = lean_ctor_get(x_2, 1);
-x_13 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__2(x_11);
+x_13 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(x_11);
 lean_inc(x_12);
 x_14 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_14, 0, x_12);
@@ -11319,7 +11178,7 @@ lean_ctor_set(x_14, 1, x_13);
 x_15 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_8, x_14, x_6);
 lean_dec(x_14);
 lean_dec(x_8);
-x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3(x_1, x_2, x_7);
+x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3(x_1, x_2, x_7);
 lean_ctor_set(x_3, 1, x_16);
 lean_ctor_set(x_3, 0, x_15);
 return x_3;
@@ -11337,7 +11196,7 @@ x_20 = lean_ctor_get(x_2, 0);
 x_21 = lean_ctor_get(x_20, 1);
 x_22 = l_Array_toList___rarg(x_21);
 x_23 = lean_ctor_get(x_2, 1);
-x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__2(x_22);
+x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__2(x_22);
 lean_inc(x_23);
 x_25 = lean_alloc_ctor(2, 2, 0);
 lean_ctor_set(x_25, 0, x_23);
@@ -11345,7 +11204,7 @@ lean_ctor_set(x_25, 1, x_24);
 x_26 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_19, x_25, x_17);
 lean_dec(x_25);
 lean_dec(x_19);
-x_27 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3(x_1, x_2, x_18);
+x_27 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3(x_1, x_2, x_18);
 x_28 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_28, 0, x_26);
 lean_ctor_set(x_28, 1, x_27);
@@ -11354,7 +11213,7 @@ return x_28;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -11375,7 +11234,7 @@ x_6 = lean_ctor_get(x_2, 1);
 x_7 = lean_ctor_get(x_1, 0);
 x_8 = lean_ctor_get(x_7, 2);
 x_9 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_8, x_5);
-x_10 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4(x_1, x_6);
+x_10 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4(x_1, x_6);
 lean_ctor_set(x_2, 1, x_10);
 lean_ctor_set(x_2, 0, x_9);
 return x_2;
@@ -11391,7 +11250,7 @@ lean_dec(x_2);
 x_13 = lean_ctor_get(x_1, 0);
 x_14 = lean_ctor_get(x_13, 2);
 x_15 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_14, x_11);
-x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4(x_1, x_12);
+x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4(x_1, x_12);
 x_17 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_17, 0, x_15);
 lean_ctor_set(x_17, 1, x_16);
@@ -11400,7 +11259,7 @@ return x_17;
 }
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -11419,7 +11278,7 @@ lean_object* x_6; lean_object* x_7; lean_object* x_8; uint8_t x_9;
 x_6 = lean_ctor_get(x_2, 0);
 x_7 = lean_ctor_get(x_2, 1);
 x_8 = lean_ctor_get(x_1, 1);
-x_9 = l___private_Lean_Meta_EqnCompiler_DepElim_23__isFirstPatternCtor(x_8, x_6);
+x_9 = l___private_Lean_Meta_EqnCompiler_DepElim_22__isFirstPatternCtor(x_8, x_6);
 if (x_9 == 0)
 {
 lean_free_object(x_2);
@@ -11448,7 +11307,7 @@ lean_inc(x_13);
 lean_inc(x_12);
 lean_dec(x_2);
 x_14 = lean_ctor_get(x_1, 1);
-x_15 = l___private_Lean_Meta_EqnCompiler_DepElim_23__isFirstPatternCtor(x_14, x_12);
+x_15 = l___private_Lean_Meta_EqnCompiler_DepElim_22__isFirstPatternCtor(x_14, x_12);
 if (x_15 == 0)
 {
 lean_dec(x_12);
@@ -11469,7 +11328,7 @@ goto _start;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__6(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__6(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -11495,7 +11354,7 @@ x_7 = lean_ctor_get(x_4, 0);
 x_8 = lean_ctor_get(x_4, 1);
 x_9 = lean_ctor_get(x_4, 2);
 x_10 = lean_ctor_get(x_4, 3);
-x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__6(x_6);
+x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__6(x_6);
 if (lean_obj_tag(x_10) == 0)
 {
 lean_object* x_12; lean_object* x_13; 
@@ -11525,7 +11384,7 @@ lean_object* x_16; lean_object* x_17; lean_object* x_18; lean_object* x_19;
 x_16 = lean_ctor_get(x_10, 1);
 x_17 = lean_ctor_get(x_10, 0);
 lean_dec(x_17);
-x_18 = lean_ctor_get(x_14, 4);
+x_18 = lean_ctor_get(x_14, 3);
 lean_inc(x_18);
 lean_dec(x_14);
 x_19 = l_List_append___rarg(x_18, x_16);
@@ -11540,7 +11399,7 @@ lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23;
 x_20 = lean_ctor_get(x_10, 1);
 lean_inc(x_20);
 lean_dec(x_10);
-x_21 = lean_ctor_get(x_14, 4);
+x_21 = lean_ctor_get(x_14, 3);
 lean_inc(x_21);
 lean_dec(x_14);
 x_22 = l_List_append___rarg(x_21, x_20);
@@ -11600,7 +11459,7 @@ lean_inc(x_35);
 lean_inc(x_34);
 lean_inc(x_33);
 lean_dec(x_4);
-x_37 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__6(x_32);
+x_37 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__6(x_32);
 if (lean_obj_tag(x_36) == 0)
 {
 lean_object* x_38; lean_object* x_39; 
@@ -11632,7 +11491,7 @@ if (lean_is_exclusive(x_36)) {
  lean_dec_ref(x_36);
  x_42 = lean_box(0);
 }
-x_43 = lean_ctor_get(x_40, 4);
+x_43 = lean_ctor_get(x_40, 3);
 lean_inc(x_43);
 lean_dec(x_40);
 x_44 = l_List_append___rarg(x_43, x_41);
@@ -11705,7 +11564,7 @@ if (lean_is_exclusive(x_51)) {
  lean_dec_ref(x_51);
  x_57 = lean_box(0);
 }
-x_58 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__6(x_52);
+x_58 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__6(x_52);
 if (lean_obj_tag(x_56) == 0)
 {
 lean_object* x_59; lean_object* x_60; lean_object* x_61; 
@@ -11738,7 +11597,7 @@ if (lean_is_exclusive(x_56)) {
  lean_dec_ref(x_56);
  x_64 = lean_box(0);
 }
-x_65 = lean_ctor_get(x_62, 4);
+x_65 = lean_ctor_get(x_62, 3);
 lean_inc(x_65);
 lean_dec(x_62);
 x_66 = l_List_append___rarg(x_65, x_63);
@@ -11792,7 +11651,7 @@ return x_72;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -11826,7 +11685,7 @@ lean_inc(x_11);
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
 lean_dec(x_10);
-x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__7(x_1, x_9, x_3, x_12);
+x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__7(x_1, x_9, x_3, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
 uint8_t x_14; 
@@ -11927,7 +11786,7 @@ lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
-x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__7(x_1, x_28, x_3, x_31);
+x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__7(x_1, x_28, x_3, 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; 
@@ -12012,7 +11871,7 @@ return x_45;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -12044,7 +11903,7 @@ lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_8, x_2, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_8, x_2, x_11);
 if (lean_obj_tag(x_12) == 0)
 {
 uint8_t x_13; 
@@ -12143,7 +12002,7 @@ lean_inc(x_29);
 x_30 = lean_ctor_get(x_28, 1);
 lean_inc(x_30);
 lean_dec(x_28);
-x_31 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_27, x_2, x_30);
+x_31 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_27, x_2, x_30);
 if (lean_obj_tag(x_31) == 0)
 {
 lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
@@ -12227,7 +12086,7 @@ return x_44;
 }
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__9(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* l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__9(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; uint8_t x_13; 
@@ -12267,19 +12126,19 @@ x_22 = l_Array_toList___rarg(x_20);
 lean_dec(x_20);
 lean_inc(x_4);
 x_23 = l_List_append___rarg(x_22, x_4);
-x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1(x_21, x_23);
+x_24 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1(x_21, x_23);
 x_25 = lean_ctor_get(x_2, 3);
 lean_inc(x_25);
-x_26 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3(x_3, x_15, x_25);
-x_27 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4(x_15, x_26);
+x_26 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3(x_3, x_15, x_25);
+x_27 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4(x_15, x_26);
 x_28 = lean_ctor_get(x_2, 2);
 lean_inc(x_28);
 x_29 = lean_box(0);
-x_30 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__5(x_15, x_28, x_29);
+x_30 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__5(x_15, x_28, x_29);
 lean_dec(x_15);
-x_31 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__6(x_30);
+x_31 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__6(x_30);
 lean_inc(x_10);
-x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__7(x_21, x_31, x_10, x_11);
+x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__7(x_21, x_31, x_10, x_11);
 if (lean_obj_tag(x_32) == 0)
 {
 lean_object* x_33; lean_object* x_34; lean_object* x_35; 
@@ -12289,7 +12148,7 @@ x_34 = lean_ctor_get(x_32, 1);
 lean_inc(x_34);
 lean_dec(x_32);
 lean_inc(x_10);
-x_35 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_33, x_10, x_34);
+x_35 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_33, x_10, 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; 
@@ -12413,7 +12272,7 @@ return x_54;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -12421,27 +12280,27 @@ x_1 = lean_mk_string("constructor step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor(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_object* x_7; lean_object* x_27; uint8_t x_28; 
@@ -12459,7 +12318,7 @@ goto block_26;
 else
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_29 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_29 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_30 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_29, x_4, x_5);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
@@ -12480,7 +12339,7 @@ lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37;
 x_34 = lean_ctor_get(x_30, 1);
 lean_inc(x_34);
 lean_dec(x_30);
-x_35 = l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___closed__3;
+x_35 = l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___closed__3;
 x_36 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_29, x_35, x_4, x_34);
 x_37 = lean_ctor_get(x_36, 1);
 lean_inc(x_37);
@@ -12526,7 +12385,7 @@ x_19 = lean_ctor_get(x_17, 1);
 lean_inc(x_19);
 lean_dec(x_17);
 x_20 = lean_unsigned_to_nat(0u);
-x_21 = l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__9(x_1, x_2, x_11, x_12, x_14, x_18, x_18, x_20, x_3, x_4, x_19);
+x_21 = l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__9(x_1, x_2, x_11, x_12, x_14, x_18, x_18, x_20, x_3, x_4, x_19);
 lean_dec(x_18);
 lean_dec(x_14);
 lean_dec(x_11);
@@ -12565,48 +12424,48 @@ return x_25;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__1(x_1, x_2);
+x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__1(x_1, x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__3(x_1, x_2, x_3);
+x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__3(x_1, x_2, x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_4;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__4(x_1, x_2);
+x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__4(x_1, x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__5___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__5(x_1, x_2, x_3);
+x_4 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__5(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-lean_object* l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__9___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* l_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__9___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_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__9(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_Array_iterateMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__9(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_7);
 lean_dec(x_6);
 lean_dec(x_5);
@@ -12614,7 +12473,7 @@ lean_dec(x_3);
 return x_12;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -12622,34 +12481,34 @@ x_1 = lean_mk_string("failed to compile pattern matching, inductive type expecte
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg(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; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
 x_4 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_4, 0, x_1);
 x_5 = l_Lean_indentExpr(x_4);
-x_6 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___closed__3;
+x_6 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___closed__3;
 x_7 = lean_alloc_ctor(9, 2, 0);
 lean_ctor_set(x_7, 0, x_6);
 lean_ctor_set(x_7, 1, x_5);
@@ -12658,24 +12517,24 @@ x_9 = l_Lean_Meta_throwOther___rarg(x_7, x_8, x_2, x_3);
 return x_9;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___boxed), 3, 0);
+x_2 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___boxed), 3, 0);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg(x_1, x_2, x_3);
+x_4 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg(x_1, x_2, x_3);
 lean_dec(x_2);
 return x_4;
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -12702,7 +12561,7 @@ lean_inc(x_10);
 x_11 = lean_ctor_get(x_9, 1);
 lean_inc(x_11);
 lean_dec(x_9);
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_8, x_2, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_8, x_2, x_11);
 x_13 = !lean_is_exclusive(x_12);
 if (x_13 == 0)
 {
@@ -12743,7 +12602,7 @@ lean_inc(x_21);
 x_22 = lean_ctor_get(x_20, 1);
 lean_inc(x_22);
 lean_dec(x_20);
-x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_19, x_2, x_22);
+x_23 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_19, x_2, x_22);
 x_24 = lean_ctor_get(x_23, 0);
 lean_inc(x_24);
 x_25 = lean_ctor_get(x_23, 1);
@@ -12771,7 +12630,7 @@ return x_28;
 }
 }
 }
-uint8_t l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__2(lean_object* x_1, lean_object* x_2) {
+uint8_t l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -12800,7 +12659,7 @@ return x_8;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -12819,7 +12678,7 @@ lean_object* x_6; lean_object* x_7; uint8_t x_8; lean_object* x_9;
 x_6 = lean_ctor_get(x_3, 0);
 x_7 = lean_ctor_get(x_3, 1);
 x_8 = lean_name_eq(x_6, x_1);
-x_9 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(x_1, x_2, x_7);
+x_9 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(x_1, x_2, x_7);
 if (x_8 == 0)
 {
 lean_object* x_10; lean_object* x_11; 
@@ -12849,7 +12708,7 @@ lean_inc(x_14);
 lean_inc(x_13);
 lean_dec(x_3);
 x_15 = lean_name_eq(x_13, x_1);
-x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(x_1, x_2, x_14);
+x_16 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(x_1, x_2, x_14);
 if (x_15 == 0)
 {
 lean_object* x_17; lean_object* x_18; lean_object* x_19; 
@@ -12876,7 +12735,7 @@ return x_21;
 }
 }
 }
-lean_object* l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -12951,7 +12810,7 @@ goto _start;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -12959,321 +12818,1230 @@ x_1 = lean_mk_string("ill-format alternative");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___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, lean_object* x_10, lean_object* x_11, lean_object* x_12) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___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, lean_object* x_10, lean_object* x_11) {
 _start:
 {
-lean_object* x_13; uint8_t x_14; 
-x_13 = lean_array_get_size(x_7);
-x_14 = lean_nat_dec_lt(x_8, x_13);
-lean_dec(x_13);
-if (x_14 == 0)
+lean_object* x_12; uint8_t x_13; 
+x_12 = lean_array_get_size(x_6);
+x_13 = lean_nat_dec_lt(x_7, x_12);
+lean_dec(x_12);
+if (x_13 == 0)
 {
-lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; lean_object* x_19; 
+lean_object* x_14; lean_object* x_15; uint8_t x_16; lean_object* x_17; lean_object* x_18; 
+lean_dec(x_7);
+x_14 = l_Array_toList___rarg(x_5);
+x_15 = l_Array_toList___rarg(x_9);
+lean_dec(x_9);
+x_16 = 1;
+x_17 = lean_alloc_ctor(2, 4, 0);
+lean_ctor_set(x_17, 0, x_3);
+lean_ctor_set(x_17, 1, x_4);
+lean_ctor_set(x_17, 2, x_14);
+lean_ctor_set(x_17, 3, x_15);
+lean_inc(x_10);
+lean_inc(x_17);
+x_18 = l_Lean_Meta_DepElim_Pattern_toExpr___main(x_16, x_17, x_10, x_11);
+if (lean_obj_tag(x_18) == 0)
+{
+lean_object* x_19; lean_object* x_20; uint8_t 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 = !lean_is_exclusive(x_1);
+if (x_21 == 0)
+{
+lean_object* x_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; 
+x_22 = lean_ctor_get(x_1, 0);
+x_23 = lean_ctor_get(x_1, 1);
+x_24 = lean_ctor_get(x_1, 2);
+x_25 = lean_ctor_get(x_1, 3);
+lean_inc(x_2);
+x_26 = l_Lean_Meta_assignExprMVar(x_2, x_19, x_10, x_20);
+if (lean_obj_tag(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; lean_object* x_33; lean_object* x_34; uint8_t x_35; lean_object* x_36; lean_object* x_37; lean_object* x_38; 
+x_27 = lean_ctor_get(x_26, 1);
+lean_inc(x_27);
+lean_dec(x_26);
+x_28 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_25, x_10, 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);
+lean_dec(x_28);
+x_31 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_31, 0, x_17);
+lean_ctor_set(x_31, 1, x_29);
+x_32 = l_Lean_Meta_instantiateMVars(x_23, x_10, x_30);
+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 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2(x_2, x_24);
+x_36 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(x_2, x_8, x_24);
 lean_dec(x_8);
-x_15 = l_Array_toList___rarg(x_6);
-x_16 = l_Array_toList___rarg(x_10);
+lean_dec(x_2);
+x_37 = l_List_join___main___rarg(x_36);
+x_38 = lean_box(0);
+if (x_35 == 0)
+{
+lean_object* x_39; lean_object* x_40; lean_object* x_41; uint8_t x_42; 
+lean_dec(x_37);
+lean_dec(x_33);
+lean_dec(x_31);
+lean_free_object(x_1);
+lean_dec(x_22);
+x_39 = l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__3;
+x_40 = lean_box(0);
+x_41 = l_Lean_Meta_throwOther___rarg(x_39, x_40, x_10, x_34);
 lean_dec(x_10);
-x_17 = 1;
-x_18 = lean_alloc_ctor(2, 5, 0);
-lean_ctor_set(x_18, 0, x_2);
-lean_ctor_set(x_18, 1, x_4);
-lean_ctor_set(x_18, 2, x_5);
-lean_ctor_set(x_18, 3, x_15);
-lean_ctor_set(x_18, 4, x_16);
-lean_inc(x_11);
+x_42 = !lean_is_exclusive(x_41);
+if (x_42 == 0)
+{
+return x_41;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_41, 0);
+x_44 = lean_ctor_get(x_41, 1);
+lean_inc(x_44);
+lean_inc(x_43);
+lean_dec(x_41);
+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;
+}
+}
+else
+{
+lean_object* x_46; uint8_t x_47; 
+x_46 = l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__4(x_37, x_38, x_10, x_34);
+lean_dec(x_10);
+x_47 = !lean_is_exclusive(x_46);
+if (x_47 == 0)
+{
+lean_object* x_48; lean_object* x_49; 
+x_48 = lean_ctor_get(x_46, 0);
+x_49 = l_List_reverse___rarg(x_48);
+lean_ctor_set(x_1, 3, x_31);
+lean_ctor_set(x_1, 2, x_49);
+lean_ctor_set(x_1, 1, x_33);
+lean_ctor_set(x_46, 0, x_1);
+return x_46;
+}
+else
+{
+lean_object* x_50; lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+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_46);
+x_52 = l_List_reverse___rarg(x_50);
+lean_ctor_set(x_1, 3, x_31);
+lean_ctor_set(x_1, 2, x_52);
+lean_ctor_set(x_1, 1, x_33);
+x_53 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_53, 0, x_1);
+lean_ctor_set(x_53, 1, x_51);
+return x_53;
+}
+}
+}
+else
+{
+uint8_t x_54; 
+lean_free_object(x_1);
+lean_dec(x_25);
+lean_dec(x_24);
+lean_dec(x_23);
+lean_dec(x_22);
+lean_dec(x_17);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_2);
+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
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+x_58 = lean_ctor_get(x_1, 0);
+x_59 = lean_ctor_get(x_1, 1);
+x_60 = lean_ctor_get(x_1, 2);
+x_61 = lean_ctor_get(x_1, 3);
+lean_inc(x_61);
+lean_inc(x_60);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_1);
+lean_inc(x_2);
+x_62 = l_Lean_Meta_assignExprMVar(x_2, x_19, x_10, x_20);
+if (lean_obj_tag(x_62) == 0)
+{
+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; uint8_t x_71; lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_63 = lean_ctor_get(x_62, 1);
+lean_inc(x_63);
+lean_dec(x_62);
+x_64 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_61, x_10, x_63);
+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_ctor(1, 2, 0);
+lean_ctor_set(x_67, 0, x_17);
+lean_ctor_set(x_67, 1, x_65);
+x_68 = l_Lean_Meta_instantiateMVars(x_59, x_10, x_66);
+x_69 = lean_ctor_get(x_68, 0);
+lean_inc(x_69);
+x_70 = lean_ctor_get(x_68, 1);
+lean_inc(x_70);
+lean_dec(x_68);
+x_71 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2(x_2, x_60);
+x_72 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(x_2, x_8, x_60);
+lean_dec(x_8);
+lean_dec(x_2);
+x_73 = l_List_join___main___rarg(x_72);
+x_74 = lean_box(0);
+if (x_71 == 0)
+{
+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_dec(x_73);
+lean_dec(x_69);
+lean_dec(x_67);
+lean_dec(x_58);
+x_75 = l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___closed__3;
+x_76 = lean_box(0);
+x_77 = l_Lean_Meta_throwOther___rarg(x_75, x_76, x_10, x_70);
+lean_dec(x_10);
+x_78 = lean_ctor_get(x_77, 0);
+lean_inc(x_78);
+x_79 = lean_ctor_get(x_77, 1);
+lean_inc(x_79);
+if (lean_is_exclusive(x_77)) {
+ lean_ctor_release(x_77, 0);
+ lean_ctor_release(x_77, 1);
+ x_80 = x_77;
+} else {
+ lean_dec_ref(x_77);
+ x_80 = lean_box(0);
+}
+if (lean_is_scalar(x_80)) {
+ x_81 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_81 = x_80;
+}
+lean_ctor_set(x_81, 0, x_78);
+lean_ctor_set(x_81, 1, x_79);
+return x_81;
+}
+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; 
+x_82 = l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__4(x_73, x_74, x_10, x_70);
+lean_dec(x_10);
+x_83 = lean_ctor_get(x_82, 0);
+lean_inc(x_83);
+x_84 = lean_ctor_get(x_82, 1);
+lean_inc(x_84);
+if (lean_is_exclusive(x_82)) {
+ lean_ctor_release(x_82, 0);
+ lean_ctor_release(x_82, 1);
+ x_85 = x_82;
+} else {
+ lean_dec_ref(x_82);
+ x_85 = lean_box(0);
+}
+x_86 = l_List_reverse___rarg(x_83);
+x_87 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_87, 0, x_58);
+lean_ctor_set(x_87, 1, x_69);
+lean_ctor_set(x_87, 2, x_86);
+lean_ctor_set(x_87, 3, x_67);
+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; 
+lean_dec(x_61);
+lean_dec(x_60);
+lean_dec(x_59);
+lean_dec(x_58);
+lean_dec(x_17);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_2);
+x_89 = lean_ctor_get(x_62, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_62, 1);
+lean_inc(x_90);
+if (lean_is_exclusive(x_62)) {
+ lean_ctor_release(x_62, 0);
+ lean_ctor_release(x_62, 1);
+ x_91 = x_62;
+} else {
+ lean_dec_ref(x_62);
+ x_91 = lean_box(0);
+}
+if (lean_is_scalar(x_91)) {
+ x_92 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_92 = x_91;
+}
+lean_ctor_set(x_92, 0, x_89);
+lean_ctor_set(x_92, 1, x_90);
+return x_92;
+}
+}
+}
+else
+{
+uint8_t x_93; 
+lean_dec(x_17);
+lean_dec(x_10);
+lean_dec(x_8);
+lean_dec(x_2);
+lean_dec(x_1);
+x_93 = !lean_is_exclusive(x_18);
+if (x_93 == 0)
+{
+return x_18;
+}
+else
+{
+lean_object* x_94; lean_object* x_95; lean_object* x_96; 
+x_94 = lean_ctor_get(x_18, 0);
+x_95 = lean_ctor_get(x_18, 1);
+lean_inc(x_95);
+lean_inc(x_94);
+lean_dec(x_18);
+x_96 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_96, 0, x_94);
+lean_ctor_set(x_96, 1, x_95);
+return x_96;
+}
+}
+}
+else
+{
+lean_object* x_97; lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+x_97 = lean_array_fget(x_6, x_7);
+x_98 = l_Lean_Meta_instantiateMVars(x_97, x_10, x_11);
+x_99 = lean_ctor_get(x_98, 0);
+lean_inc(x_99);
+x_100 = lean_ctor_get(x_98, 1);
+lean_inc(x_100);
+lean_dec(x_98);
+if (lean_obj_tag(x_99) == 2)
+{
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
+x_108 = lean_ctor_get(x_99, 0);
+lean_inc(x_108);
+lean_dec(x_99);
+x_109 = lean_unsigned_to_nat(1u);
+x_110 = lean_nat_add(x_7, x_109);
+lean_dec(x_7);
+lean_inc(x_108);
+x_111 = lean_array_push(x_8, x_108);
+x_112 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_112, 0, x_108);
+x_113 = lean_array_push(x_9, x_112);
+x_7 = x_110;
+x_8 = x_111;
+x_9 = x_113;
+x_11 = x_100;
+goto _start;
+}
+else
+{
+lean_object* x_115; 
+x_115 = lean_box(0);
+x_101 = x_115;
+goto block_107;
+}
+block_107:
+{
+lean_object* x_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+lean_dec(x_101);
+x_102 = lean_unsigned_to_nat(1u);
+x_103 = lean_nat_add(x_7, x_102);
+lean_dec(x_7);
+x_104 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_104, 0, x_99);
+x_105 = lean_array_push(x_9, x_104);
+x_7 = x_103;
+x_9 = x_105;
+x_11 = x_100;
+goto _start;
+}
+}
+}
+}
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_1, x_2, x_3);
+lean_dec(x_2);
+return x_4;
+}
+}
+lean_object* l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2___boxed(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+uint8_t x_3; lean_object* x_4; 
+x_3 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__2(x_1, x_2);
+lean_dec(x_2);
+lean_dec(x_1);
+x_4 = lean_box(x_3);
+return x_4;
+}
+}
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+_start:
+{
+lean_object* x_4; 
+x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__3(x_1, x_2, x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+return x_4;
+}
+}
+lean_object* l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__4___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_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__4(x_1, x_2, x_3, x_4);
+lean_dec(x_3);
+return x_5;
+}
+}
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___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_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main(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);
+return x_12;
+}
+}
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux(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_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11);
+return x_12;
+}
+}
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___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_Meta_EqnCompiler_DepElim_25__tryConstructorAux(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);
+return x_12;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__1() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string("ctorName: ");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__2() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__1;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__3() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__2;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__4() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(", resultType: ");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__5() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__4;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__5;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__7() {
+_start:
+{
+lean_object* x_1; 
+x_1 = lean_mk_string(", expectedType: ");
+return x_1;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__8() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__7;
+x_2 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__9() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; 
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__8;
+x_2 = lean_alloc_ctor(0, 1, 0);
+lean_ctor_set(x_2, 0, x_1);
+return x_2;
+}
+}
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_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:
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; 
+lean_inc(x_4);
+lean_inc(x_3);
+x_9 = l_Lean_mkConst(x_3, x_4);
+x_10 = lean_unsigned_to_nat(0u);
+x_11 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_5, x_5, x_10, x_9);
+lean_inc(x_7);
+x_12 = l_Lean_Meta_inferType(x_11, x_7, x_8);
+if (lean_obj_tag(x_12) == 0)
+{
+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_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_box(0);
+x_16 = 0;
+lean_inc(x_7);
+x_17 = l_Lean_Meta_forallMetaTelescopeReducing(x_13, x_15, x_16, x_7, x_14);
+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; lean_object* x_50; uint8_t x_51; 
+x_18 = lean_ctor_get(x_17, 0);
 lean_inc(x_18);
-x_19 = l_Lean_Meta_DepElim_Pattern_toExpr___main(x_17, x_18, x_11, x_12);
+x_19 = lean_ctor_get(x_18, 1);
+lean_inc(x_19);
+x_20 = lean_ctor_get(x_17, 1);
+lean_inc(x_20);
+lean_dec(x_17);
+x_21 = lean_ctor_get(x_18, 0);
+lean_inc(x_21);
+lean_dec(x_18);
+x_22 = lean_ctor_get(x_19, 1);
+lean_inc(x_22);
+lean_dec(x_19);
+x_50 = lean_ctor_get(x_20, 4);
+lean_inc(x_50);
+x_51 = lean_ctor_get_uint8(x_50, sizeof(void*)*1);
+lean_dec(x_50);
+if (x_51 == 0)
+{
+x_23 = x_20;
+goto block_49;
+}
+else
+{
+lean_object* x_52; lean_object* x_53; lean_object* x_54; uint8_t x_55; 
+x_52 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__4;
+x_53 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_52, x_7, x_20);
+x_54 = lean_ctor_get(x_53, 0);
+lean_inc(x_54);
+x_55 = lean_unbox(x_54);
+lean_dec(x_54);
+if (x_55 == 0)
+{
+lean_object* x_56; 
+x_56 = lean_ctor_get(x_53, 1);
+lean_inc(x_56);
+lean_dec(x_53);
+x_23 = x_56;
+goto block_49;
+}
+else
+{
+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; lean_object* x_69; lean_object* x_70; 
+x_57 = lean_ctor_get(x_53, 1);
+lean_inc(x_57);
+lean_dec(x_53);
+lean_inc(x_3);
+x_58 = lean_alloc_ctor(4, 1, 0);
+lean_ctor_set(x_58, 0, x_3);
+x_59 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__3;
+x_60 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_60, 0, x_59);
+lean_ctor_set(x_60, 1, x_58);
+x_61 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__6;
+x_62 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_62, 0, x_60);
+lean_ctor_set(x_62, 1, x_61);
+lean_inc(x_22);
+x_63 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_63, 0, x_22);
+x_64 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_64, 0, x_62);
+lean_ctor_set(x_64, 1, x_63);
+x_65 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___closed__9;
+x_66 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_66, 0, x_64);
+lean_ctor_set(x_66, 1, x_65);
+lean_inc(x_6);
+x_67 = lean_alloc_ctor(2, 1, 0);
+lean_ctor_set(x_67, 0, x_6);
+x_68 = lean_alloc_ctor(9, 2, 0);
+lean_ctor_set(x_68, 0, x_66);
+lean_ctor_set(x_68, 1, x_67);
+x_69 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_52, x_68, x_7, x_57);
+x_70 = lean_ctor_get(x_69, 1);
+lean_inc(x_70);
+lean_dec(x_69);
+x_23 = x_70;
+goto block_49;
+}
+}
+block_49:
+{
+lean_object* x_24; 
+lean_inc(x_7);
+x_24 = l_Lean_Meta_isExprDefEq(x_22, x_6, x_7, x_23);
+if (lean_obj_tag(x_24) == 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)
+{
+uint8_t x_27; 
+lean_dec(x_21);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_27 = !lean_is_exclusive(x_24);
+if (x_27 == 0)
+{
+lean_object* x_28; 
+x_28 = lean_ctor_get(x_24, 0);
+lean_dec(x_28);
+lean_ctor_set(x_24, 0, x_15);
+return x_24;
+}
+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 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_30, 0, x_15);
+lean_ctor_set(x_30, 1, x_29);
+return x_30;
+}
+}
+else
+{
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_24, 1);
+lean_inc(x_31);
+lean_dec(x_24);
+x_32 = l_Array_empty___closed__1;
+x_33 = l___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main(x_1, x_2, x_3, x_4, x_5, x_21, x_10, x_32, x_32, x_7, x_31);
+lean_dec(x_21);
+if (lean_obj_tag(x_33) == 0)
+{
+uint8_t x_34; 
+x_34 = !lean_is_exclusive(x_33);
+if (x_34 == 0)
+{
+lean_object* x_35; lean_object* x_36; 
+x_35 = lean_ctor_get(x_33, 0);
+x_36 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_36, 0, x_35);
+lean_ctor_set(x_33, 0, x_36);
+return x_33;
+}
+else
+{
+lean_object* x_37; lean_object* x_38; lean_object* x_39; lean_object* x_40; 
+x_37 = lean_ctor_get(x_33, 0);
+x_38 = lean_ctor_get(x_33, 1);
+lean_inc(x_38);
+lean_inc(x_37);
+lean_dec(x_33);
+x_39 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_39, 0, x_37);
+x_40 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_40, 0, x_39);
+lean_ctor_set(x_40, 1, x_38);
+return x_40;
+}
+}
+else
+{
+uint8_t x_41; 
+x_41 = !lean_is_exclusive(x_33);
+if (x_41 == 0)
+{
+return x_33;
+}
+else
+{
+lean_object* x_42; lean_object* x_43; lean_object* x_44; 
+x_42 = lean_ctor_get(x_33, 0);
+x_43 = lean_ctor_get(x_33, 1);
+lean_inc(x_43);
+lean_inc(x_42);
+lean_dec(x_33);
+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_dec(x_21);
+lean_dec(x_7);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_45 = !lean_is_exclusive(x_24);
+if (x_45 == 0)
+{
+return x_24;
+}
+else
+{
+lean_object* x_46; lean_object* x_47; lean_object* x_48; 
+x_46 = lean_ctor_get(x_24, 0);
+x_47 = lean_ctor_get(x_24, 1);
+lean_inc(x_47);
+lean_inc(x_46);
+lean_dec(x_24);
+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_71; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_71 = !lean_is_exclusive(x_17);
+if (x_71 == 0)
+{
+return x_17;
+}
+else
+{
+lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_72 = lean_ctor_get(x_17, 0);
+x_73 = lean_ctor_get(x_17, 1);
+lean_inc(x_73);
+lean_inc(x_72);
+lean_dec(x_17);
+x_74 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_74, 1, x_73);
+return x_74;
+}
+}
+}
+else
+{
+uint8_t x_75; 
+lean_dec(x_7);
+lean_dec(x_6);
+lean_dec(x_4);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_75 = !lean_is_exclusive(x_12);
+if (x_75 == 0)
+{
+return x_12;
+}
+else
+{
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_12, 0);
+x_77 = lean_ctor_get(x_12, 1);
+lean_inc(x_77);
+lean_inc(x_76);
+lean_dec(x_12);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
+}
+}
+}
+}
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f___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_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_5);
+return x_9;
+}
+}
+lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt___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) {
+_start:
+{
+if (lean_obj_tag(x_6) == 0)
+{
+lean_object* x_9; 
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_1);
+x_9 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_9, 0, x_5);
+lean_ctor_set(x_9, 1, x_8);
+return x_9;
+}
+else
+{
+uint8_t x_10; 
+x_10 = !lean_is_exclusive(x_6);
+if (x_10 == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+x_11 = lean_ctor_get(x_6, 0);
+x_12 = lean_ctor_get(x_6, 1);
+lean_inc(x_7);
+lean_inc(x_1);
+x_13 = l_Lean_Meta_DepElim_Alt_copyCore(x_1, x_7, x_8);
+if (lean_obj_tag(x_13) == 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; 
+x_14 = lean_ctor_get(x_13, 0);
+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(x_14, 0);
+lean_inc(x_16);
+x_17 = lean_ctor_get(x_14, 1);
+lean_inc(x_17);
+lean_dec(x_14);
+x_18 = l_Lean_Meta_MVarRenaming_find_x21(x_16, x_2);
+lean_dec(x_16);
+lean_inc(x_18);
+x_19 = l_Lean_Meta_getMVarDecl(x_18, x_7, x_15);
 if (lean_obj_tag(x_19) == 0)
 {
-lean_object* x_20; lean_object* x_21; uint8_t x_22; 
+lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
 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);
-x_22 = !lean_is_exclusive(x_1);
-if (x_22 == 0)
+x_22 = lean_ctor_get(x_20, 2);
+lean_inc(x_22);
+lean_dec(x_20);
+lean_inc(x_7);
+x_23 = l_Lean_Meta_whnfD(x_22, x_7, x_21);
+if (lean_obj_tag(x_23) == 0)
 {
-lean_object* x_23; lean_object* x_24; lean_object* x_25; lean_object* x_26; lean_object* x_27; 
-x_23 = lean_ctor_get(x_1, 0);
-x_24 = lean_ctor_get(x_1, 1);
-x_25 = lean_ctor_get(x_1, 2);
-x_26 = lean_ctor_get(x_1, 3);
-lean_inc(x_3);
-x_27 = l_Lean_Meta_assignExprMVar(x_3, x_20, x_11, x_21);
-if (lean_obj_tag(x_27) == 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; uint8_t x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; 
-x_28 = lean_ctor_get(x_27, 1);
-lean_inc(x_28);
-lean_dec(x_27);
-x_29 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_26, x_11, 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);
-x_32 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_32, 0, x_18);
-lean_ctor_set(x_32, 1, x_30);
-x_33 = l_Lean_Meta_instantiateMVars(x_24, x_11, x_31);
-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 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__2(x_3, x_25);
-x_37 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(x_3, x_9, x_25);
-lean_dec(x_9);
-lean_dec(x_3);
-x_38 = l_List_join___main___rarg(x_37);
-x_39 = lean_box(0);
-if (x_36 == 0)
-{
-lean_object* x_40; lean_object* x_41; lean_object* x_42; uint8_t x_43; 
-lean_dec(x_38);
-lean_dec(x_34);
-lean_dec(x_32);
-lean_free_object(x_1);
+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; 
+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_40 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__3;
-x_41 = lean_box(0);
-x_42 = l_Lean_Meta_throwOther___rarg(x_40, x_41, x_11, x_35);
-lean_dec(x_11);
-x_43 = !lean_is_exclusive(x_42);
-if (x_43 == 0)
+x_26 = lean_unsigned_to_nat(0u);
+x_27 = l_Lean_Expr_getAppNumArgsAux___main(x_24, x_26);
+x_28 = l_Lean_Expr_getAppArgs___closed__1;
+lean_inc(x_27);
+x_29 = lean_mk_array(x_27, x_28);
+x_30 = lean_unsigned_to_nat(1u);
+x_31 = lean_nat_sub(x_27, x_30);
+lean_dec(x_27);
+lean_inc(x_24);
+x_32 = l___private_Lean_Expr_3__getAppArgsAux___main(x_24, x_29, x_31);
+x_33 = lean_ctor_get(x_4, 1);
+x_34 = l_Array_extract___rarg(x_32, x_26, x_33);
+lean_dec(x_32);
+lean_inc(x_7);
+lean_inc(x_3);
+x_35 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f(x_17, x_18, x_11, x_3, x_34, x_24, x_7, x_25);
+lean_dec(x_34);
+if (lean_obj_tag(x_35) == 0)
 {
-return x_42;
+lean_object* x_36; 
+x_36 = lean_ctor_get(x_35, 0);
+lean_inc(x_36);
+if (lean_obj_tag(x_36) == 0)
+{
+lean_object* x_37; 
+lean_free_object(x_6);
+x_37 = lean_ctor_get(x_35, 1);
+lean_inc(x_37);
+lean_dec(x_35);
+x_6 = x_12;
+x_8 = x_37;
+goto _start;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_42, 0);
-x_45 = lean_ctor_get(x_42, 1);
-lean_inc(x_45);
+lean_object* x_39; lean_object* x_40; 
+x_39 = lean_ctor_get(x_35, 1);
+lean_inc(x_39);
+lean_dec(x_35);
+x_40 = lean_ctor_get(x_36, 0);
+lean_inc(x_40);
+lean_dec(x_36);
+lean_ctor_set(x_6, 1, x_5);
+lean_ctor_set(x_6, 0, x_40);
+x_5 = x_6;
+x_6 = x_12;
+x_8 = x_39;
+goto _start;
+}
+}
+else
+{
+uint8_t x_42; 
+lean_free_object(x_6);
+lean_dec(x_12);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_42 = !lean_is_exclusive(x_35);
+if (x_42 == 0)
+{
+return x_35;
+}
+else
+{
+lean_object* x_43; lean_object* x_44; lean_object* x_45; 
+x_43 = lean_ctor_get(x_35, 0);
+x_44 = lean_ctor_get(x_35, 1);
 lean_inc(x_44);
-lean_dec(x_42);
-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;
+lean_inc(x_43);
+lean_dec(x_35);
+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;
+}
 }
 }
 else
 {
-lean_object* x_47; uint8_t x_48; 
-x_47 = l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__4(x_38, x_39, x_11, x_35);
+uint8_t x_46; 
+lean_dec(x_18);
+lean_dec(x_17);
+lean_free_object(x_6);
+lean_dec(x_12);
 lean_dec(x_11);
-x_48 = !lean_is_exclusive(x_47);
-if (x_48 == 0)
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_46 = !lean_is_exclusive(x_23);
+if (x_46 == 0)
 {
-lean_object* x_49; lean_object* x_50; 
-x_49 = lean_ctor_get(x_47, 0);
-x_50 = l_List_reverse___rarg(x_49);
-lean_ctor_set(x_1, 3, x_32);
-lean_ctor_set(x_1, 2, x_50);
-lean_ctor_set(x_1, 1, x_34);
-lean_ctor_set(x_47, 0, x_1);
-return x_47;
+return x_23;
 }
 else
 {
-lean_object* x_51; lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_51 = lean_ctor_get(x_47, 0);
-x_52 = lean_ctor_get(x_47, 1);
+lean_object* x_47; lean_object* x_48; lean_object* x_49; 
+x_47 = lean_ctor_get(x_23, 0);
+x_48 = lean_ctor_get(x_23, 1);
+lean_inc(x_48);
+lean_inc(x_47);
+lean_dec(x_23);
+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
+{
+uint8_t x_50; 
+lean_dec(x_18);
+lean_dec(x_17);
+lean_free_object(x_6);
+lean_dec(x_12);
+lean_dec(x_11);
+lean_dec(x_7);
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_50 = !lean_is_exclusive(x_19);
+if (x_50 == 0)
+{
+return x_19;
+}
+else
+{
+lean_object* x_51; lean_object* x_52; lean_object* x_53; 
+x_51 = lean_ctor_get(x_19, 0);
+x_52 = lean_ctor_get(x_19, 1);
 lean_inc(x_52);
 lean_inc(x_51);
-lean_dec(x_47);
-x_53 = l_List_reverse___rarg(x_51);
-lean_ctor_set(x_1, 3, x_32);
-lean_ctor_set(x_1, 2, x_53);
-lean_ctor_set(x_1, 1, x_34);
-x_54 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_54, 0, x_1);
-lean_ctor_set(x_54, 1, x_52);
-return x_54;
+lean_dec(x_19);
+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;
 }
 }
 }
 else
 {
-uint8_t x_55; 
-lean_free_object(x_1);
-lean_dec(x_26);
-lean_dec(x_25);
-lean_dec(x_24);
-lean_dec(x_23);
-lean_dec(x_18);
+uint8_t x_54; 
+lean_free_object(x_6);
+lean_dec(x_12);
 lean_dec(x_11);
-lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_5);
 lean_dec(x_3);
-x_55 = !lean_is_exclusive(x_27);
-if (x_55 == 0)
-{
-return x_27;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_27, 0);
-x_57 = lean_ctor_get(x_27, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_27);
-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
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; lean_object* x_63; 
-x_59 = lean_ctor_get(x_1, 0);
-x_60 = lean_ctor_get(x_1, 1);
-x_61 = lean_ctor_get(x_1, 2);
-x_62 = lean_ctor_get(x_1, 3);
-lean_inc(x_62);
-lean_inc(x_61);
-lean_inc(x_60);
-lean_inc(x_59);
 lean_dec(x_1);
-lean_inc(x_3);
-x_63 = l_Lean_Meta_assignExprMVar(x_3, x_20, x_11, x_21);
-if (lean_obj_tag(x_63) == 0)
+x_54 = !lean_is_exclusive(x_13);
+if (x_54 == 0)
 {
-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; uint8_t x_72; lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_64 = lean_ctor_get(x_63, 1);
-lean_inc(x_64);
-lean_dec(x_63);
-x_65 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_62, x_11, x_64);
-x_66 = lean_ctor_get(x_65, 0);
-lean_inc(x_66);
-x_67 = lean_ctor_get(x_65, 1);
-lean_inc(x_67);
-lean_dec(x_65);
-x_68 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_68, 0, x_18);
-lean_ctor_set(x_68, 1, x_66);
-x_69 = l_Lean_Meta_instantiateMVars(x_60, x_11, x_67);
-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 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__2(x_3, x_61);
-x_73 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(x_3, x_9, x_61);
-lean_dec(x_9);
-lean_dec(x_3);
-x_74 = l_List_join___main___rarg(x_73);
-x_75 = lean_box(0);
-if (x_72 == 0)
-{
-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_dec(x_74);
-lean_dec(x_70);
-lean_dec(x_68);
-lean_dec(x_59);
-x_76 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___closed__3;
-x_77 = lean_box(0);
-x_78 = l_Lean_Meta_throwOther___rarg(x_76, x_77, x_11, x_71);
-lean_dec(x_11);
-x_79 = lean_ctor_get(x_78, 0);
-lean_inc(x_79);
-x_80 = lean_ctor_get(x_78, 1);
-lean_inc(x_80);
-if (lean_is_exclusive(x_78)) {
- lean_ctor_release(x_78, 0);
- lean_ctor_release(x_78, 1);
- x_81 = x_78;
-} else {
- lean_dec_ref(x_78);
- x_81 = lean_box(0);
-}
-if (lean_is_scalar(x_81)) {
- x_82 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_82 = x_81;
-}
-lean_ctor_set(x_82, 0, x_79);
-lean_ctor_set(x_82, 1, x_80);
-return x_82;
+return x_13;
 }
 else
 {
-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; 
-x_83 = l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__4(x_74, x_75, x_11, x_71);
-lean_dec(x_11);
-x_84 = lean_ctor_get(x_83, 0);
+lean_object* x_55; lean_object* x_56; lean_object* x_57; 
+x_55 = lean_ctor_get(x_13, 0);
+x_56 = lean_ctor_get(x_13, 1);
+lean_inc(x_56);
+lean_inc(x_55);
+lean_dec(x_13);
+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
+{
+lean_object* x_58; lean_object* x_59; lean_object* x_60; 
+x_58 = lean_ctor_get(x_6, 0);
+x_59 = lean_ctor_get(x_6, 1);
+lean_inc(x_59);
+lean_inc(x_58);
+lean_dec(x_6);
+lean_inc(x_7);
+lean_inc(x_1);
+x_60 = l_Lean_Meta_DepElim_Alt_copyCore(x_1, x_7, x_8);
+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; 
+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 = lean_ctor_get(x_61, 0);
+lean_inc(x_63);
+x_64 = lean_ctor_get(x_61, 1);
+lean_inc(x_64);
+lean_dec(x_61);
+x_65 = l_Lean_Meta_MVarRenaming_find_x21(x_63, x_2);
+lean_dec(x_63);
+lean_inc(x_65);
+x_66 = l_Lean_Meta_getMVarDecl(x_65, x_7, x_62);
+if (lean_obj_tag(x_66) == 0)
+{
+lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+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 = lean_ctor_get(x_67, 2);
+lean_inc(x_69);
+lean_dec(x_67);
+lean_inc(x_7);
+x_70 = l_Lean_Meta_whnfD(x_69, x_7, x_68);
+if (lean_obj_tag(x_70) == 0)
+{
+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_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);
+x_73 = lean_unsigned_to_nat(0u);
+x_74 = l_Lean_Expr_getAppNumArgsAux___main(x_71, x_73);
+x_75 = l_Lean_Expr_getAppArgs___closed__1;
+lean_inc(x_74);
+x_76 = lean_mk_array(x_74, x_75);
+x_77 = lean_unsigned_to_nat(1u);
+x_78 = lean_nat_sub(x_74, x_77);
+lean_dec(x_74);
+lean_inc(x_71);
+x_79 = l___private_Lean_Expr_3__getAppArgsAux___main(x_71, x_76, x_78);
+x_80 = lean_ctor_get(x_4, 1);
+x_81 = l_Array_extract___rarg(x_79, x_73, x_80);
+lean_dec(x_79);
+lean_inc(x_7);
+lean_inc(x_3);
+x_82 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructor_x3f(x_64, x_65, x_58, x_3, x_81, x_71, x_7, x_72);
+lean_dec(x_81);
+if (lean_obj_tag(x_82) == 0)
+{
+lean_object* x_83; 
+x_83 = lean_ctor_get(x_82, 0);
+lean_inc(x_83);
+if (lean_obj_tag(x_83) == 0)
+{
+lean_object* x_84; 
+x_84 = lean_ctor_get(x_82, 1);
 lean_inc(x_84);
-x_85 = lean_ctor_get(x_83, 1);
-lean_inc(x_85);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_86 = x_83;
-} else {
- lean_dec_ref(x_83);
- x_86 = lean_box(0);
+lean_dec(x_82);
+x_6 = x_59;
+x_8 = x_84;
+goto _start;
 }
-x_87 = l_List_reverse___rarg(x_84);
-x_88 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_88, 0, x_59);
-lean_ctor_set(x_88, 1, x_70);
-lean_ctor_set(x_88, 2, x_87);
-lean_ctor_set(x_88, 3, x_68);
-if (lean_is_scalar(x_86)) {
- x_89 = lean_alloc_ctor(0, 2, 0);
-} else {
- x_89 = x_86;
-}
-lean_ctor_set(x_89, 0, x_88);
-lean_ctor_set(x_89, 1, x_85);
-return x_89;
+else
+{
+lean_object* x_86; lean_object* x_87; lean_object* x_88; 
+x_86 = lean_ctor_get(x_82, 1);
+lean_inc(x_86);
+lean_dec(x_82);
+x_87 = lean_ctor_get(x_83, 0);
+lean_inc(x_87);
+lean_dec(x_83);
+x_88 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_88, 0, x_87);
+lean_ctor_set(x_88, 1, x_5);
+x_5 = x_88;
+x_6 = x_59;
+x_8 = x_86;
+goto _start;
 }
 }
 else
 {
 lean_object* x_90; lean_object* x_91; lean_object* x_92; lean_object* x_93; 
-lean_dec(x_62);
-lean_dec(x_61);
-lean_dec(x_60);
 lean_dec(x_59);
-lean_dec(x_18);
-lean_dec(x_11);
-lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_5);
 lean_dec(x_3);
-x_90 = lean_ctor_get(x_63, 0);
+lean_dec(x_1);
+x_90 = lean_ctor_get(x_82, 0);
 lean_inc(x_90);
-x_91 = lean_ctor_get(x_63, 1);
+x_91 = lean_ctor_get(x_82, 1);
 lean_inc(x_91);
-if (lean_is_exclusive(x_63)) {
- lean_ctor_release(x_63, 0);
- lean_ctor_release(x_63, 1);
- x_92 = x_63;
+if (lean_is_exclusive(x_82)) {
+ lean_ctor_release(x_82, 0);
+ lean_ctor_release(x_82, 1);
+ x_92 = x_82;
 } else {
- lean_dec_ref(x_63);
+ lean_dec_ref(x_82);
  x_92 = lean_box(0);
 }
 if (lean_is_scalar(x_92)) {
@@ -13286,1201 +14054,267 @@ lean_ctor_set(x_93, 1, x_91);
 return x_93;
 }
 }
-}
 else
 {
-uint8_t x_94; 
-lean_dec(x_18);
-lean_dec(x_11);
-lean_dec(x_9);
+lean_object* x_94; lean_object* x_95; lean_object* x_96; lean_object* x_97; 
+lean_dec(x_65);
+lean_dec(x_64);
+lean_dec(x_59);
+lean_dec(x_58);
+lean_dec(x_7);
+lean_dec(x_5);
 lean_dec(x_3);
 lean_dec(x_1);
-x_94 = !lean_is_exclusive(x_19);
-if (x_94 == 0)
-{
-return x_19;
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; 
-x_95 = lean_ctor_get(x_19, 0);
-x_96 = lean_ctor_get(x_19, 1);
-lean_inc(x_96);
+x_94 = lean_ctor_get(x_70, 0);
+lean_inc(x_94);
+x_95 = lean_ctor_get(x_70, 1);
 lean_inc(x_95);
-lean_dec(x_19);
-x_97 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_97, 0, x_95);
-lean_ctor_set(x_97, 1, x_96);
+if (lean_is_exclusive(x_70)) {
+ lean_ctor_release(x_70, 0);
+ lean_ctor_release(x_70, 1);
+ x_96 = x_70;
+} else {
+ lean_dec_ref(x_70);
+ x_96 = lean_box(0);
+}
+if (lean_is_scalar(x_96)) {
+ x_97 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_97 = x_96;
+}
+lean_ctor_set(x_97, 0, x_94);
+lean_ctor_set(x_97, 1, x_95);
 return x_97;
 }
 }
-}
 else
 {
-lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-x_98 = lean_array_fget(x_7, x_8);
-x_99 = l_Lean_Meta_instantiateMVars(x_98, x_11, x_12);
-x_100 = lean_ctor_get(x_99, 0);
-lean_inc(x_100);
-x_101 = lean_ctor_get(x_99, 1);
-lean_inc(x_101);
-lean_dec(x_99);
-if (lean_obj_tag(x_100) == 2)
-{
-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_109 = lean_ctor_get(x_100, 0);
-lean_inc(x_109);
-lean_dec(x_100);
-x_110 = lean_unsigned_to_nat(1u);
-x_111 = lean_nat_add(x_8, x_110);
-lean_dec(x_8);
-lean_inc(x_109);
-x_112 = lean_array_push(x_9, x_109);
-lean_inc(x_2);
-x_113 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_113, 0, x_2);
-lean_ctor_set(x_113, 1, x_109);
-x_114 = lean_array_push(x_10, x_113);
-x_8 = x_111;
-x_9 = x_112;
-x_10 = x_114;
-x_12 = x_101;
-goto _start;
-}
-else
-{
-lean_object* x_116; 
-x_116 = lean_box(0);
-x_102 = x_116;
-goto block_108;
-}
-block_108:
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_102);
-x_103 = lean_unsigned_to_nat(1u);
-x_104 = lean_nat_add(x_8, x_103);
-lean_dec(x_8);
-lean_inc(x_2);
-x_105 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_105, 0, x_2);
-lean_ctor_set(x_105, 1, x_100);
-x_106 = lean_array_push(x_10, x_105);
-x_8 = x_104;
-x_10 = x_106;
-x_12 = x_101;
-goto _start;
-}
-}
-}
-}
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_1, x_2, x_3);
-lean_dec(x_2);
-return x_4;
-}
-}
-lean_object* l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__2___boxed(lean_object* x_1, lean_object* x_2) {
-_start:
-{
-uint8_t x_3; lean_object* x_4; 
-x_3 = l_List_elem___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__2(x_1, x_2);
-lean_dec(x_2);
-lean_dec(x_1);
-x_4 = lean_box(x_3);
-return x_4;
-}
-}
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
-_start:
-{
-lean_object* x_4; 
-x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__3(x_1, x_2, x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-return x_4;
-}
-}
-lean_object* l_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__4___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_List_filterAuxM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__4(x_1, x_2, x_3, x_4);
+lean_object* x_98; lean_object* x_99; lean_object* x_100; lean_object* x_101; 
+lean_dec(x_65);
+lean_dec(x_64);
+lean_dec(x_59);
+lean_dec(x_58);
+lean_dec(x_7);
+lean_dec(x_5);
 lean_dec(x_3);
-return x_5;
+lean_dec(x_1);
+x_98 = lean_ctor_get(x_66, 0);
+lean_inc(x_98);
+x_99 = lean_ctor_get(x_66, 1);
+lean_inc(x_99);
+if (lean_is_exclusive(x_66)) {
+ lean_ctor_release(x_66, 0);
+ lean_ctor_release(x_66, 1);
+ x_100 = x_66;
+} else {
+ lean_dec_ref(x_66);
+ x_100 = lean_box(0);
+}
+if (lean_is_scalar(x_100)) {
+ x_101 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_101 = x_100;
+}
+lean_ctor_set(x_101, 0, x_98);
+lean_ctor_set(x_101, 1, x_99);
+return x_101;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___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:
+else
 {
-lean_object* x_13; 
-x_13 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main(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_102; lean_object* x_103; lean_object* x_104; lean_object* x_105; 
+lean_dec(x_59);
+lean_dec(x_58);
 lean_dec(x_7);
-lean_dec(x_6);
-return x_13;
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_1);
+x_102 = lean_ctor_get(x_60, 0);
+lean_inc(x_102);
+x_103 = lean_ctor_get(x_60, 1);
+lean_inc(x_103);
+if (lean_is_exclusive(x_60)) {
+ lean_ctor_release(x_60, 0);
+ lean_ctor_release(x_60, 1);
+ x_104 = x_60;
+} else {
+ lean_dec_ref(x_60);
+ x_104 = lean_box(0);
+}
+if (lean_is_scalar(x_104)) {
+ x_105 = lean_alloc_ctor(1, 2, 0);
+} else {
+ x_105 = x_104;
+}
+lean_ctor_set(x_105, 0, x_102);
+lean_ctor_set(x_105, 1, x_103);
+return x_105;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux(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* l___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
-lean_object* x_13; 
-x_13 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_10, x_11, x_12);
-return x_13;
-}
-}
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___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___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux(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);
-return x_13;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__1() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("ctorName: ");
-return x_1;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__2() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__1;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__2;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__4() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string(", resultType: ");
-return x_1;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__4;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__6() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__5;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__7() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string(", expectedType: ");
-return x_1;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__8() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__7;
-x_2 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__9() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__8;
-x_2 = lean_alloc_ctor(0, 1, 0);
-lean_ctor_set(x_2, 0, x_1);
-return x_2;
-}
-}
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_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, lean_object* x_9) {
-_start:
-{
-lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; 
+lean_object* x_5; lean_object* x_6; 
+x_5 = lean_ctor_get(x_4, 0);
 lean_inc(x_5);
-lean_inc(x_4);
-x_10 = l_Lean_mkConst(x_4, x_5);
-x_11 = lean_unsigned_to_nat(0u);
-x_12 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_6, x_6, x_11, x_10);
-lean_inc(x_8);
-x_13 = l_Lean_Meta_inferType(x_12, x_8, x_9);
-if (lean_obj_tag(x_13) == 0)
+lean_inc(x_2);
+x_6 = l_Lean_Meta_getMVarDecl(x_2, x_3, x_4);
+if (lean_obj_tag(x_6) == 0)
 {
-lean_object* x_14; lean_object* x_15; lean_object* x_16; uint8_t x_17; lean_object* x_18; 
+lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; 
+x_7 = lean_ctor_get(x_6, 0);
+lean_inc(x_7);
+x_8 = lean_ctor_get(x_6, 1);
+lean_inc(x_8);
+lean_dec(x_6);
+x_9 = lean_ctor_get(x_7, 2);
+lean_inc(x_9);
+lean_dec(x_7);
+lean_inc(x_3);
+x_10 = l_Lean_Meta_whnfD(x_9, x_3, x_8);
+if (lean_obj_tag(x_10) == 0)
+{
+lean_object* x_11; lean_object* x_12; lean_object* 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_Lean_Expr_getAppFn___main(x_11);
+if (lean_obj_tag(x_13) == 4)
+{
+lean_object* x_14; lean_object* x_15; lean_object* x_16; 
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
 x_15 = lean_ctor_get(x_13, 1);
 lean_inc(x_15);
 lean_dec(x_13);
-x_16 = lean_box(0);
-x_17 = 0;
-lean_inc(x_8);
-x_18 = l_Lean_Meta_forallMetaTelescopeReducing(x_14, x_16, x_17, x_8, x_15);
-if (lean_obj_tag(x_18) == 0)
+x_16 = lean_environment_find(x_5, x_14);
+if (lean_obj_tag(x_16) == 0)
 {
-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_51; uint8_t x_52; 
-x_19 = lean_ctor_get(x_18, 0);
-lean_inc(x_19);
-x_20 = lean_ctor_get(x_19, 1);
-lean_inc(x_20);
-x_21 = lean_ctor_get(x_18, 1);
-lean_inc(x_21);
-lean_dec(x_18);
-x_22 = lean_ctor_get(x_19, 0);
-lean_inc(x_22);
-lean_dec(x_19);
-x_23 = lean_ctor_get(x_20, 1);
-lean_inc(x_23);
-lean_dec(x_20);
-x_51 = lean_ctor_get(x_21, 4);
-lean_inc(x_51);
-x_52 = lean_ctor_get_uint8(x_51, sizeof(void*)*1);
-lean_dec(x_51);
-if (x_52 == 0)
-{
-x_24 = x_21;
-goto block_50;
-}
-else
-{
-lean_object* x_53; lean_object* x_54; lean_object* x_55; uint8_t x_56; 
-x_53 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__4;
-x_54 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_53, x_8, x_21);
-x_55 = lean_ctor_get(x_54, 0);
-lean_inc(x_55);
-x_56 = lean_unbox(x_55);
-lean_dec(x_55);
-if (x_56 == 0)
-{
-lean_object* x_57; 
-x_57 = lean_ctor_get(x_54, 1);
-lean_inc(x_57);
-lean_dec(x_54);
-x_24 = x_57;
-goto block_50;
-}
-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; lean_object* x_66; lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_58 = lean_ctor_get(x_54, 1);
-lean_inc(x_58);
-lean_dec(x_54);
-lean_inc(x_4);
-x_59 = lean_alloc_ctor(4, 1, 0);
-lean_ctor_set(x_59, 0, x_4);
-x_60 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__3;
-x_61 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_61, 0, x_60);
-lean_ctor_set(x_61, 1, x_59);
-x_62 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__6;
-x_63 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_63, 0, x_61);
-lean_ctor_set(x_63, 1, x_62);
-lean_inc(x_23);
-x_64 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_64, 0, x_23);
-x_65 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_65, 0, x_63);
-lean_ctor_set(x_65, 1, x_64);
-x_66 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___closed__9;
-x_67 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_67, 0, x_65);
-lean_ctor_set(x_67, 1, x_66);
-lean_inc(x_7);
-x_68 = lean_alloc_ctor(2, 1, 0);
-lean_ctor_set(x_68, 0, x_7);
-x_69 = lean_alloc_ctor(9, 2, 0);
-lean_ctor_set(x_69, 0, x_67);
-lean_ctor_set(x_69, 1, x_68);
-x_70 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_53, x_69, x_8, x_58);
-x_71 = lean_ctor_get(x_70, 1);
-lean_inc(x_71);
-lean_dec(x_70);
-x_24 = x_71;
-goto block_50;
-}
-}
-block_50:
-{
-lean_object* x_25; 
-lean_inc(x_8);
-x_25 = l_Lean_Meta_isExprDefEq(x_23, x_7, x_8, x_24);
-if (lean_obj_tag(x_25) == 0)
-{
-lean_object* x_26; uint8_t x_27; 
-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)
-{
-uint8_t x_28; 
-lean_dec(x_22);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_28 = !lean_is_exclusive(x_25);
-if (x_28 == 0)
-{
-lean_object* x_29; 
-x_29 = lean_ctor_get(x_25, 0);
-lean_dec(x_29);
-lean_ctor_set(x_25, 0, x_16);
-return x_25;
-}
-else
-{
-lean_object* x_30; lean_object* x_31; 
-x_30 = lean_ctor_get(x_25, 1);
-lean_inc(x_30);
-lean_dec(x_25);
-x_31 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_31, 0, x_16);
-lean_ctor_set(x_31, 1, x_30);
-return x_31;
-}
-}
-else
-{
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_25, 1);
-lean_inc(x_32);
-lean_dec(x_25);
-x_33 = l_Array_empty___closed__1;
-x_34 = l___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main(x_1, x_2, x_3, x_4, x_5, x_6, x_22, x_11, x_33, x_33, x_8, x_32);
-lean_dec(x_22);
-if (lean_obj_tag(x_34) == 0)
-{
-uint8_t x_35; 
-x_35 = !lean_is_exclusive(x_34);
-if (x_35 == 0)
-{
-lean_object* x_36; lean_object* x_37; 
-x_36 = lean_ctor_get(x_34, 0);
-x_37 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_37, 0, x_36);
-lean_ctor_set(x_34, 0, x_37);
-return x_34;
-}
-else
-{
-lean_object* x_38; lean_object* x_39; lean_object* x_40; lean_object* x_41; 
-x_38 = lean_ctor_get(x_34, 0);
-x_39 = lean_ctor_get(x_34, 1);
-lean_inc(x_39);
-lean_inc(x_38);
-lean_dec(x_34);
-x_40 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_40, 0, x_38);
-x_41 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_41, 0, x_40);
-lean_ctor_set(x_41, 1, x_39);
-return x_41;
-}
-}
-else
-{
-uint8_t x_42; 
-x_42 = !lean_is_exclusive(x_34);
-if (x_42 == 0)
-{
-return x_34;
-}
-else
-{
-lean_object* x_43; lean_object* x_44; lean_object* x_45; 
-x_43 = lean_ctor_get(x_34, 0);
-x_44 = lean_ctor_get(x_34, 1);
-lean_inc(x_44);
-lean_inc(x_43);
-lean_dec(x_34);
-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;
-}
-}
-}
-}
-else
-{
-uint8_t x_46; 
-lean_dec(x_22);
-lean_dec(x_8);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_46 = !lean_is_exclusive(x_25);
-if (x_46 == 0)
-{
-return x_25;
-}
-else
-{
-lean_object* x_47; lean_object* x_48; lean_object* x_49; 
-x_47 = lean_ctor_get(x_25, 0);
-x_48 = lean_ctor_get(x_25, 1);
-lean_inc(x_48);
-lean_inc(x_47);
-lean_dec(x_25);
-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
-{
-uint8_t x_72; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_72 = !lean_is_exclusive(x_18);
-if (x_72 == 0)
-{
-return x_18;
-}
-else
-{
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_18, 0);
-x_74 = lean_ctor_get(x_18, 1);
-lean_inc(x_74);
-lean_inc(x_73);
-lean_dec(x_18);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
-}
-}
-}
-else
-{
-uint8_t x_76; 
-lean_dec(x_8);
-lean_dec(x_7);
-lean_dec(x_5);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_76 = !lean_is_exclusive(x_13);
-if (x_76 == 0)
-{
-return x_13;
-}
-else
-{
-lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_77 = lean_ctor_get(x_13, 0);
-x_78 = lean_ctor_get(x_13, 1);
-lean_inc(x_78);
-lean_inc(x_77);
-lean_dec(x_13);
-x_79 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_79, 0, x_77);
-lean_ctor_set(x_79, 1, x_78);
-return x_79;
-}
-}
-}
-}
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f___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_EqnCompiler_DepElim_27__tryConstructor_x3f(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
-lean_dec(x_6);
-return x_10;
-}
-}
-lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt___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:
-{
-if (lean_obj_tag(x_7) == 0)
-{
-lean_object* x_10; 
-lean_dec(x_8);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_10 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_10, 0, x_6);
-lean_ctor_set(x_10, 1, x_9);
-return x_10;
-}
-else
-{
-uint8_t x_11; 
-x_11 = !lean_is_exclusive(x_7);
-if (x_11 == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-x_12 = lean_ctor_get(x_7, 0);
-x_13 = lean_ctor_get(x_7, 1);
-lean_inc(x_8);
-lean_inc(x_1);
-x_14 = l_Lean_Meta_DepElim_Alt_copyCore(x_1, 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; 
-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_ctor_get(x_15, 0);
-lean_inc(x_17);
-x_18 = lean_ctor_get(x_15, 1);
-lean_inc(x_18);
+lean_object* x_17; 
 lean_dec(x_15);
-x_19 = l_Lean_Meta_MVarRenaming_find_x21(x_17, x_3);
-lean_dec(x_17);
-lean_inc(x_19);
-x_20 = l_Lean_Meta_getMVarDecl(x_19, x_8, x_16);
-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_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_21, 2);
-lean_inc(x_23);
-lean_dec(x_21);
-lean_inc(x_8);
-x_24 = l_Lean_Meta_whnfD(x_23, x_8, x_22);
-if (lean_obj_tag(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; lean_object* x_33; lean_object* x_34; lean_object* x_35; lean_object* x_36; 
-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_unsigned_to_nat(0u);
-x_28 = l_Lean_Expr_getAppNumArgsAux___main(x_25, x_27);
-x_29 = l_Lean_Expr_getAppArgs___closed__1;
-lean_inc(x_28);
-x_30 = lean_mk_array(x_28, x_29);
-x_31 = lean_unsigned_to_nat(1u);
-x_32 = lean_nat_sub(x_28, x_31);
-lean_dec(x_28);
-lean_inc(x_25);
-x_33 = l___private_Lean_Expr_3__getAppArgsAux___main(x_25, x_30, x_32);
-x_34 = lean_ctor_get(x_5, 1);
-x_35 = l_Array_extract___rarg(x_33, x_27, x_34);
-lean_dec(x_33);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_2);
-x_36 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f(x_18, x_2, x_19, x_12, x_4, x_35, x_25, x_8, x_26);
-lean_dec(x_35);
-if (lean_obj_tag(x_36) == 0)
-{
-lean_object* x_37; 
-x_37 = lean_ctor_get(x_36, 0);
-lean_inc(x_37);
-if (lean_obj_tag(x_37) == 0)
-{
-lean_object* x_38; 
-lean_free_object(x_7);
-x_38 = lean_ctor_get(x_36, 1);
-lean_inc(x_38);
-lean_dec(x_36);
-x_7 = x_13;
-x_9 = x_38;
-goto _start;
-}
-else
-{
-lean_object* x_40; lean_object* x_41; 
-x_40 = lean_ctor_get(x_36, 1);
-lean_inc(x_40);
-lean_dec(x_36);
-x_41 = lean_ctor_get(x_37, 0);
-lean_inc(x_41);
-lean_dec(x_37);
-lean_ctor_set(x_7, 1, x_6);
-lean_ctor_set(x_7, 0, x_41);
-x_6 = x_7;
-x_7 = x_13;
-x_9 = x_40;
-goto _start;
-}
-}
-else
-{
-uint8_t x_43; 
-lean_free_object(x_7);
-lean_dec(x_13);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_43 = !lean_is_exclusive(x_36);
-if (x_43 == 0)
-{
-return x_36;
+x_17 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg(x_11, x_3, x_12);
+lean_dec(x_3);
+return x_17;
 }
 else
 {
-lean_object* x_44; lean_object* x_45; lean_object* x_46; 
-x_44 = lean_ctor_get(x_36, 0);
-x_45 = lean_ctor_get(x_36, 1);
-lean_inc(x_45);
-lean_inc(x_44);
-lean_dec(x_36);
-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
-{
-uint8_t x_47; 
-lean_dec(x_19);
-lean_dec(x_18);
-lean_free_object(x_7);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_47 = !lean_is_exclusive(x_24);
-if (x_47 == 0)
-{
-return x_24;
-}
-else
-{
-lean_object* x_48; lean_object* x_49; lean_object* x_50; 
-x_48 = lean_ctor_get(x_24, 0);
-x_49 = lean_ctor_get(x_24, 1);
-lean_inc(x_49);
-lean_inc(x_48);
-lean_dec(x_24);
-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
-{
-uint8_t x_51; 
-lean_dec(x_19);
-lean_dec(x_18);
-lean_free_object(x_7);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_51 = !lean_is_exclusive(x_20);
-if (x_51 == 0)
-{
-return x_20;
-}
-else
-{
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_20, 0);
-x_53 = lean_ctor_get(x_20, 1);
-lean_inc(x_53);
-lean_inc(x_52);
-lean_dec(x_20);
-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
-{
-uint8_t x_55; 
-lean_free_object(x_7);
-lean_dec(x_13);
-lean_dec(x_12);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_55 = !lean_is_exclusive(x_14);
-if (x_55 == 0)
-{
-return x_14;
-}
-else
-{
-lean_object* x_56; lean_object* x_57; lean_object* x_58; 
-x_56 = lean_ctor_get(x_14, 0);
-x_57 = lean_ctor_get(x_14, 1);
-lean_inc(x_57);
-lean_inc(x_56);
-lean_dec(x_14);
-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
-{
-lean_object* x_59; lean_object* x_60; lean_object* x_61; 
-x_59 = lean_ctor_get(x_7, 0);
-x_60 = lean_ctor_get(x_7, 1);
-lean_inc(x_60);
-lean_inc(x_59);
-lean_dec(x_7);
-lean_inc(x_8);
-lean_inc(x_1);
-x_61 = l_Lean_Meta_DepElim_Alt_copyCore(x_1, x_8, x_9);
-if (lean_obj_tag(x_61) == 0)
-{
-lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean_object* x_66; lean_object* x_67; 
-x_62 = lean_ctor_get(x_61, 0);
-lean_inc(x_62);
-x_63 = lean_ctor_get(x_61, 1);
-lean_inc(x_63);
-lean_dec(x_61);
-x_64 = lean_ctor_get(x_62, 0);
-lean_inc(x_64);
-x_65 = lean_ctor_get(x_62, 1);
-lean_inc(x_65);
-lean_dec(x_62);
-x_66 = l_Lean_Meta_MVarRenaming_find_x21(x_64, x_3);
-lean_dec(x_64);
-lean_inc(x_66);
-x_67 = l_Lean_Meta_getMVarDecl(x_66, x_8, x_63);
-if (lean_obj_tag(x_67) == 0)
-{
-lean_object* x_68; lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_68 = lean_ctor_get(x_67, 0);
-lean_inc(x_68);
-x_69 = lean_ctor_get(x_67, 1);
-lean_inc(x_69);
-lean_dec(x_67);
-x_70 = lean_ctor_get(x_68, 2);
-lean_inc(x_70);
-lean_dec(x_68);
-lean_inc(x_8);
-x_71 = l_Lean_Meta_whnfD(x_70, x_8, x_69);
-if (lean_obj_tag(x_71) == 0)
-{
-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; 
-x_72 = lean_ctor_get(x_71, 0);
-lean_inc(x_72);
-x_73 = lean_ctor_get(x_71, 1);
-lean_inc(x_73);
-lean_dec(x_71);
-x_74 = lean_unsigned_to_nat(0u);
-x_75 = l_Lean_Expr_getAppNumArgsAux___main(x_72, x_74);
-x_76 = l_Lean_Expr_getAppArgs___closed__1;
-lean_inc(x_75);
-x_77 = lean_mk_array(x_75, x_76);
-x_78 = lean_unsigned_to_nat(1u);
-x_79 = lean_nat_sub(x_75, x_78);
-lean_dec(x_75);
-lean_inc(x_72);
-x_80 = l___private_Lean_Expr_3__getAppArgsAux___main(x_72, x_77, x_79);
-x_81 = lean_ctor_get(x_5, 1);
-x_82 = l_Array_extract___rarg(x_80, x_74, x_81);
-lean_dec(x_80);
-lean_inc(x_8);
-lean_inc(x_4);
-lean_inc(x_2);
-x_83 = l___private_Lean_Meta_EqnCompiler_DepElim_27__tryConstructor_x3f(x_65, x_2, x_66, x_59, x_4, x_82, x_72, x_8, x_73);
-lean_dec(x_82);
-if (lean_obj_tag(x_83) == 0)
-{
-lean_object* x_84; 
-x_84 = lean_ctor_get(x_83, 0);
-lean_inc(x_84);
-if (lean_obj_tag(x_84) == 0)
-{
-lean_object* x_85; 
-x_85 = lean_ctor_get(x_83, 1);
-lean_inc(x_85);
-lean_dec(x_83);
-x_7 = x_60;
-x_9 = x_85;
-goto _start;
-}
-else
-{
-lean_object* x_87; lean_object* x_88; lean_object* x_89; 
-x_87 = lean_ctor_get(x_83, 1);
-lean_inc(x_87);
-lean_dec(x_83);
-x_88 = lean_ctor_get(x_84, 0);
-lean_inc(x_88);
-lean_dec(x_84);
-x_89 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_89, 0, x_88);
-lean_ctor_set(x_89, 1, x_6);
-x_6 = x_89;
-x_7 = x_60;
-x_9 = x_87;
-goto _start;
-}
-}
-else
-{
-lean_object* x_91; lean_object* x_92; lean_object* x_93; lean_object* x_94; 
-lean_dec(x_60);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_91 = lean_ctor_get(x_83, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_83, 1);
-lean_inc(x_92);
-if (lean_is_exclusive(x_83)) {
- lean_ctor_release(x_83, 0);
- lean_ctor_release(x_83, 1);
- x_93 = x_83;
-} else {
- lean_dec_ref(x_83);
- x_93 = lean_box(0);
-}
-if (lean_is_scalar(x_93)) {
- x_94 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_94 = x_93;
-}
-lean_ctor_set(x_94, 0, x_91);
-lean_ctor_set(x_94, 1, x_92);
-return x_94;
-}
-}
-else
-{
-lean_object* x_95; lean_object* x_96; lean_object* x_97; lean_object* x_98; 
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_60);
-lean_dec(x_59);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_95 = lean_ctor_get(x_71, 0);
-lean_inc(x_95);
-x_96 = lean_ctor_get(x_71, 1);
-lean_inc(x_96);
-if (lean_is_exclusive(x_71)) {
- lean_ctor_release(x_71, 0);
- lean_ctor_release(x_71, 1);
- x_97 = x_71;
-} else {
- lean_dec_ref(x_71);
- x_97 = lean_box(0);
-}
-if (lean_is_scalar(x_97)) {
- x_98 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_98 = x_97;
-}
-lean_ctor_set(x_98, 0, x_95);
-lean_ctor_set(x_98, 1, x_96);
-return x_98;
-}
-}
-else
-{
-lean_object* x_99; lean_object* x_100; lean_object* x_101; lean_object* x_102; 
-lean_dec(x_66);
-lean_dec(x_65);
-lean_dec(x_60);
-lean_dec(x_59);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_99 = lean_ctor_get(x_67, 0);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_67, 1);
-lean_inc(x_100);
-if (lean_is_exclusive(x_67)) {
- lean_ctor_release(x_67, 0);
- lean_ctor_release(x_67, 1);
- x_101 = x_67;
-} else {
- lean_dec_ref(x_67);
- x_101 = lean_box(0);
-}
-if (lean_is_scalar(x_101)) {
- x_102 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_102 = x_101;
-}
-lean_ctor_set(x_102, 0, x_99);
-lean_ctor_set(x_102, 1, x_100);
-return x_102;
-}
-}
-else
-{
-lean_object* x_103; lean_object* x_104; lean_object* x_105; lean_object* x_106; 
-lean_dec(x_60);
-lean_dec(x_59);
-lean_dec(x_8);
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_2);
-lean_dec(x_1);
-x_103 = lean_ctor_get(x_61, 0);
-lean_inc(x_103);
-x_104 = lean_ctor_get(x_61, 1);
-lean_inc(x_104);
-if (lean_is_exclusive(x_61)) {
- lean_ctor_release(x_61, 0);
- lean_ctor_release(x_61, 1);
- x_105 = x_61;
-} else {
- lean_dec_ref(x_61);
- x_105 = lean_box(0);
-}
-if (lean_is_scalar(x_105)) {
- x_106 = lean_alloc_ctor(1, 2, 0);
-} else {
- x_106 = x_105;
-}
-lean_ctor_set(x_106, 0, x_103);
-lean_ctor_set(x_106, 1, x_104);
-return x_106;
-}
-}
-}
-}
-}
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt(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_object* x_7; 
-x_6 = lean_ctor_get(x_5, 0);
-lean_inc(x_6);
-lean_inc(x_3);
-x_7 = l_Lean_Meta_getMVarDecl(x_3, x_4, x_5);
-if (lean_obj_tag(x_7) == 0)
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_8 = lean_ctor_get(x_7, 0);
-lean_inc(x_8);
-x_9 = lean_ctor_get(x_7, 1);
-lean_inc(x_9);
-lean_dec(x_7);
-x_10 = lean_ctor_get(x_8, 2);
-lean_inc(x_10);
-lean_dec(x_8);
-lean_inc(x_4);
-x_11 = l_Lean_Meta_whnfD(x_10, x_4, x_9);
-if (lean_obj_tag(x_11) == 0)
-{
-lean_object* x_12; lean_object* x_13; lean_object* x_14; 
-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_Lean_Expr_getAppFn___main(x_12);
-if (lean_obj_tag(x_14) == 4)
-{
-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);
-x_17 = lean_environment_find(x_6, x_15);
-if (lean_obj_tag(x_17) == 0)
-{
 lean_object* x_18; 
+x_18 = lean_ctor_get(x_16, 0);
+lean_inc(x_18);
 lean_dec(x_16);
-lean_dec(x_3);
+if (lean_obj_tag(x_18) == 5)
+{
+lean_object* x_19; lean_object* x_20; lean_object* x_21; lean_object* x_22; 
+lean_dec(x_11);
+x_19 = lean_ctor_get(x_18, 0);
+lean_inc(x_19);
+lean_dec(x_18);
+x_20 = lean_box(0);
+x_21 = lean_ctor_get(x_19, 4);
+lean_inc(x_21);
+x_22 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt___spec__1(x_1, x_2, x_15, x_19, x_20, x_21, x_3, x_12);
+lean_dec(x_19);
 lean_dec(x_2);
-lean_dec(x_1);
-x_18 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg(x_12, x_4, x_13);
-lean_dec(x_4);
-return x_18;
+return x_22;
 }
 else
 {
-lean_object* x_19; 
-x_19 = lean_ctor_get(x_17, 0);
-lean_inc(x_19);
-lean_dec(x_17);
-if (lean_obj_tag(x_19) == 5)
-{
-lean_object* x_20; lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-lean_dec(x_12);
-x_20 = lean_ctor_get(x_19, 0);
-lean_inc(x_20);
-lean_dec(x_19);
-x_21 = lean_box(0);
-x_22 = lean_ctor_get(x_20, 4);
-lean_inc(x_22);
-x_23 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt___spec__1(x_1, x_2, x_3, x_16, x_20, x_21, x_22, x_4, x_13);
-lean_dec(x_20);
+lean_object* x_23; 
+lean_dec(x_18);
+lean_dec(x_15);
+lean_dec(x_2);
+lean_dec(x_1);
+x_23 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg(x_11, x_3, x_12);
 lean_dec(x_3);
 return x_23;
 }
+}
+}
 else
 {
 lean_object* x_24; 
-lean_dec(x_19);
-lean_dec(x_16);
-lean_dec(x_3);
+lean_dec(x_13);
+lean_dec(x_5);
 lean_dec(x_2);
 lean_dec(x_1);
-x_24 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg(x_12, x_4, x_13);
-lean_dec(x_4);
+x_24 = l___private_Lean_Meta_EqnCompiler_DepElim_24__throwInductiveTypeExpected___rarg(x_11, x_3, x_12);
+lean_dec(x_3);
 return x_24;
 }
 }
-}
 else
 {
-lean_object* x_25; 
-lean_dec(x_14);
-lean_dec(x_6);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_25 = l___private_Lean_Meta_EqnCompiler_DepElim_25__throwInductiveTypeExpected___rarg(x_12, x_4, x_13);
-lean_dec(x_4);
-return x_25;
-}
-}
-else
-{
-uint8_t x_26; 
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_26 = !lean_is_exclusive(x_11);
-if (x_26 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_11, 0);
-x_28 = lean_ctor_get(x_11, 1);
-lean_inc(x_28);
-lean_inc(x_27);
-lean_dec(x_11);
-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;
-}
-}
-}
-else
-{
-uint8_t x_30; 
-lean_dec(x_6);
-lean_dec(x_4);
-lean_dec(x_3);
-lean_dec(x_2);
-lean_dec(x_1);
-x_30 = !lean_is_exclusive(x_7);
-if (x_30 == 0)
-{
-return x_7;
-}
-else
-{
-lean_object* x_31; lean_object* x_32; lean_object* x_33; 
-x_31 = lean_ctor_get(x_7, 0);
-x_32 = lean_ctor_get(x_7, 1);
-lean_inc(x_32);
-lean_inc(x_31);
-lean_dec(x_7);
-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_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt___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_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9);
+uint8_t x_25; 
 lean_dec(x_5);
 lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_25 = !lean_is_exclusive(x_10);
+if (x_25 == 0)
+{
 return x_10;
 }
+else
+{
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_10, 0);
+x_27 = lean_ctor_get(x_10, 1);
+lean_inc(x_27);
+lean_inc(x_26);
+lean_dec(x_10);
+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_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+}
+}
+else
+{
+uint8_t x_29; 
+lean_dec(x_5);
+lean_dec(x_3);
+lean_dec(x_2);
+lean_dec(x_1);
+x_29 = !lean_is_exclusive(x_6);
+if (x_29 == 0)
+{
+return x_6;
+}
+else
+{
+lean_object* x_30; lean_object* x_31; lean_object* x_32; 
+x_30 = lean_ctor_get(x_6, 0);
+x_31 = lean_ctor_get(x_6, 1);
+lean_inc(x_31);
+lean_inc(x_30);
+lean_dec(x_6);
+x_32 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_32, 0, x_30);
+lean_ctor_set(x_32, 1, x_31);
+return x_32;
+}
+}
+}
+}
+lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt___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) {
+_start:
+{
+lean_object* x_9; 
+x_9 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt___spec__1(x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8);
+lean_dec(x_4);
+lean_dec(x_2);
+return x_9;
+}
+}
+lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -14564,7 +14398,7 @@ lean_dec(x_2);
 x_21 = !lean_is_exclusive(x_6);
 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_22; lean_object* x_23; lean_object* x_24; lean_object* x_25; 
 x_22 = lean_ctor_get(x_6, 3);
 lean_dec(x_22);
 x_23 = lean_ctor_get(x_7, 1);
@@ -14572,205 +14406,201 @@ lean_inc(x_23);
 lean_dec(x_7);
 x_24 = lean_ctor_get(x_19, 0);
 lean_inc(x_24);
-x_25 = lean_ctor_get(x_19, 1);
-lean_inc(x_25);
 lean_dec(x_19);
 lean_ctor_set(x_6, 3, x_23);
 lean_inc(x_3);
-x_26 = l___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt(x_6, x_24, x_25, x_3, x_4);
-if (lean_obj_tag(x_26) == 0)
+x_25 = l___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt(x_6, x_24, x_3, x_4);
+if (lean_obj_tag(x_25) == 0)
 {
-lean_object* x_27; lean_object* x_28; lean_object* x_29; 
-x_27 = lean_ctor_get(x_26, 0);
+lean_object* x_26; lean_object* x_27; lean_object* x_28; 
+x_26 = lean_ctor_get(x_25, 0);
+lean_inc(x_26);
+x_27 = lean_ctor_get(x_25, 1);
 lean_inc(x_27);
-x_28 = lean_ctor_get(x_26, 1);
-lean_inc(x_28);
-lean_dec(x_26);
-x_29 = l_List_append___rarg(x_27, x_1);
-x_1 = x_29;
+lean_dec(x_25);
+x_28 = l_List_append___rarg(x_26, x_1);
+x_1 = x_28;
 x_2 = x_20;
-x_4 = x_28;
+x_4 = x_27;
 goto _start;
 }
 else
 {
-uint8_t x_31; 
+uint8_t x_30; 
 lean_dec(x_20);
 lean_dec(x_3);
 lean_dec(x_1);
-x_31 = !lean_is_exclusive(x_26);
-if (x_31 == 0)
+x_30 = !lean_is_exclusive(x_25);
+if (x_30 == 0)
 {
-return x_26;
+return x_25;
 }
 else
 {
-lean_object* x_32; lean_object* x_33; lean_object* x_34; 
-x_32 = lean_ctor_get(x_26, 0);
-x_33 = lean_ctor_get(x_26, 1);
-lean_inc(x_33);
+lean_object* x_31; lean_object* x_32; lean_object* x_33; 
+x_31 = lean_ctor_get(x_25, 0);
+x_32 = lean_ctor_get(x_25, 1);
 lean_inc(x_32);
-lean_dec(x_26);
-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_inc(x_31);
+lean_dec(x_25);
+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;
 }
 }
 }
 else
 {
-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_35 = lean_ctor_get(x_6, 0);
-x_36 = lean_ctor_get(x_6, 1);
-x_37 = lean_ctor_get(x_6, 2);
-lean_inc(x_37);
+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_34 = lean_ctor_get(x_6, 0);
+x_35 = lean_ctor_get(x_6, 1);
+x_36 = lean_ctor_get(x_6, 2);
 lean_inc(x_36);
 lean_inc(x_35);
+lean_inc(x_34);
 lean_dec(x_6);
-x_38 = lean_ctor_get(x_7, 1);
-lean_inc(x_38);
+x_37 = lean_ctor_get(x_7, 1);
+lean_inc(x_37);
 lean_dec(x_7);
-x_39 = lean_ctor_get(x_19, 0);
-lean_inc(x_39);
-x_40 = lean_ctor_get(x_19, 1);
-lean_inc(x_40);
+x_38 = lean_ctor_get(x_19, 0);
+lean_inc(x_38);
 lean_dec(x_19);
-x_41 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_41, 0, x_35);
-lean_ctor_set(x_41, 1, x_36);
-lean_ctor_set(x_41, 2, x_37);
-lean_ctor_set(x_41, 3, x_38);
+x_39 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_39, 0, x_34);
+lean_ctor_set(x_39, 1, x_35);
+lean_ctor_set(x_39, 2, x_36);
+lean_ctor_set(x_39, 3, x_37);
 lean_inc(x_3);
-x_42 = l___private_Lean_Meta_EqnCompiler_DepElim_28__expandAlt(x_41, x_39, x_40, x_3, x_4);
-if (lean_obj_tag(x_42) == 0)
+x_40 = l___private_Lean_Meta_EqnCompiler_DepElim_27__expandAlt(x_39, x_38, x_3, x_4);
+if (lean_obj_tag(x_40) == 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_inc(x_44);
-lean_dec(x_42);
-x_45 = l_List_append___rarg(x_43, x_1);
-x_1 = x_45;
+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_List_append___rarg(x_41, x_1);
+x_1 = x_43;
 x_2 = x_20;
-x_4 = x_44;
+x_4 = x_42;
 goto _start;
 }
 else
 {
-lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; 
+lean_object* x_45; lean_object* x_46; lean_object* x_47; lean_object* x_48; 
 lean_dec(x_20);
 lean_dec(x_3);
 lean_dec(x_1);
-x_47 = lean_ctor_get(x_42, 0);
-lean_inc(x_47);
-x_48 = lean_ctor_get(x_42, 1);
-lean_inc(x_48);
-if (lean_is_exclusive(x_42)) {
- lean_ctor_release(x_42, 0);
- lean_ctor_release(x_42, 1);
- x_49 = x_42;
+x_45 = lean_ctor_get(x_40, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_40, 1);
+lean_inc(x_46);
+if (lean_is_exclusive(x_40)) {
+ lean_ctor_release(x_40, 0);
+ lean_ctor_release(x_40, 1);
+ x_47 = x_40;
 } else {
- lean_dec_ref(x_42);
- x_49 = lean_box(0);
+ lean_dec_ref(x_40);
+ x_47 = lean_box(0);
 }
-if (lean_is_scalar(x_49)) {
- x_50 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_47)) {
+ x_48 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_50 = x_49;
+ x_48 = x_47;
 }
-lean_ctor_set(x_50, 0, x_47);
-lean_ctor_set(x_50, 1, x_48);
-return x_50;
+lean_ctor_set(x_48, 0, x_45);
+lean_ctor_set(x_48, 1, x_46);
+return x_48;
 }
 }
 }
 case 2:
 {
-uint8_t x_51; 
+uint8_t x_49; 
 lean_dec(x_19);
-x_51 = !lean_is_exclusive(x_7);
-if (x_51 == 0)
+x_49 = !lean_is_exclusive(x_7);
+if (x_49 == 0)
 {
-lean_object* x_52; lean_object* x_53; lean_object* x_54; 
-x_52 = lean_ctor_get(x_7, 1);
-lean_dec(x_52);
-x_53 = lean_ctor_get(x_7, 0);
-lean_dec(x_53);
-x_54 = lean_ctor_get(x_2, 1);
-lean_inc(x_54);
+lean_object* x_50; lean_object* x_51; lean_object* x_52; 
+x_50 = lean_ctor_get(x_7, 1);
+lean_dec(x_50);
+x_51 = lean_ctor_get(x_7, 0);
+lean_dec(x_51);
+x_52 = lean_ctor_get(x_2, 1);
+lean_inc(x_52);
 lean_dec(x_2);
 lean_ctor_set(x_7, 1, x_1);
 lean_ctor_set(x_7, 0, x_6);
 x_1 = x_7;
-x_2 = x_54;
+x_2 = x_52;
 goto _start;
 }
 else
 {
-lean_object* x_56; lean_object* x_57; 
+lean_object* x_54; lean_object* x_55; 
 lean_dec(x_7);
-x_56 = lean_ctor_get(x_2, 1);
-lean_inc(x_56);
+x_54 = lean_ctor_get(x_2, 1);
+lean_inc(x_54);
 lean_dec(x_2);
-x_57 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_57, 0, x_6);
-lean_ctor_set(x_57, 1, x_1);
-x_1 = x_57;
-x_2 = x_56;
+x_55 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_55, 0, x_6);
+lean_ctor_set(x_55, 1, x_1);
+x_1 = x_55;
+x_2 = x_54;
 goto _start;
 }
 }
 default: 
 {
-lean_object* x_59; lean_object* x_60; lean_object* x_61; lean_object* x_62; 
+lean_object* x_57; lean_object* x_58; lean_object* x_59; lean_object* x_60; 
 lean_dec(x_19);
 lean_dec(x_7);
 lean_dec(x_6);
 lean_dec(x_1);
-x_59 = lean_ctor_get(x_2, 1);
-lean_inc(x_59);
+x_57 = lean_ctor_get(x_2, 1);
+lean_inc(x_57);
 lean_dec(x_2);
-x_60 = l_Lean_Meta_isClassQuick___main___closed__1;
-x_61 = l_unreachable_x21___rarg(x_60);
+x_58 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_59 = l_unreachable_x21___rarg(x_58);
 lean_inc(x_3);
-x_62 = lean_apply_2(x_61, x_3, x_4);
-if (lean_obj_tag(x_62) == 0)
+x_60 = lean_apply_2(x_59, x_3, x_4);
+if (lean_obj_tag(x_60) == 0)
 {
-lean_object* x_63; lean_object* x_64; 
-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_1 = x_63;
-x_2 = x_59;
-x_4 = x_64;
+lean_object* x_61; lean_object* x_62; 
+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_1 = x_61;
+x_2 = x_57;
+x_4 = x_62;
 goto _start;
 }
 else
 {
-uint8_t x_66; 
-lean_dec(x_59);
+uint8_t x_64; 
+lean_dec(x_57);
 lean_dec(x_3);
-x_66 = !lean_is_exclusive(x_62);
-if (x_66 == 0)
+x_64 = !lean_is_exclusive(x_60);
+if (x_64 == 0)
 {
-return x_62;
+return x_60;
 }
 else
 {
-lean_object* x_67; lean_object* x_68; lean_object* x_69; 
-x_67 = lean_ctor_get(x_62, 0);
-x_68 = lean_ctor_get(x_62, 1);
-lean_inc(x_68);
-lean_inc(x_67);
-lean_dec(x_62);
-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_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_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;
 }
 }
 }
@@ -14779,7 +14609,7 @@ return x_69;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___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* l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___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; uint8_t x_8; 
@@ -14793,7 +14623,7 @@ x_10 = lean_ctor_get(x_1, 1);
 x_11 = lean_ctor_get(x_1, 2);
 x_12 = lean_ctor_get(x_1, 3);
 lean_inc(x_5);
-x_13 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___spec__1(x_7, x_11, x_5, x_6);
+x_13 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___spec__1(x_7, x_11, x_5, x_6);
 if (lean_obj_tag(x_13) == 0)
 {
 lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; 
@@ -14850,7 +14680,7 @@ lean_inc(x_23);
 lean_inc(x_22);
 lean_dec(x_1);
 lean_inc(x_5);
-x_26 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___spec__1(x_7, x_24, x_5, x_6);
+x_26 = l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___spec__1(x_7, x_24, x_5, x_6);
 if (lean_obj_tag(x_26) == 0)
 {
 lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; lean_object* x_31; 
@@ -14901,7 +14731,7 @@ return x_35;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -14909,7 +14739,7 @@ x_1 = lean_alloc_closure((void*)(l_Lean_Meta_getEnv___boxed), 1, 0);
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__2() {
 _start:
 {
 lean_object* x_1; 
@@ -14917,36 +14747,36 @@ x_1 = lean_mk_string("complete step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__2;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__4() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__3;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__3;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete(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_object* x_7; lean_object* x_8; lean_object* x_9; uint8_t x_10; 
 lean_inc(x_2);
-x_6 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___lambda__1___boxed), 6, 3);
+x_6 = lean_alloc_closure((void*)(l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___lambda__1___boxed), 6, 3);
 lean_closure_set(x_6, 0, x_2);
 lean_closure_set(x_6, 1, x_1);
 lean_closure_set(x_6, 2, x_3);
-x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__1;
+x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__1;
 x_8 = lean_alloc_closure((void*)(l_ReaderT_bind___at_Lean_Meta_isClassExpensive___main___spec__4___rarg), 4, 2);
 lean_closure_set(x_8, 0, x_7);
 lean_closure_set(x_8, 1, x_6);
@@ -14963,7 +14793,7 @@ return x_11;
 else
 {
 lean_object* x_12; lean_object* x_13; lean_object* x_14; uint8_t x_15; 
-x_12 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_12 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_13 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_12, x_4, x_5);
 x_14 = lean_ctor_get(x_13, 0);
 lean_inc(x_14);
@@ -14984,7 +14814,7 @@ lean_object* x_18; lean_object* x_19; lean_object* x_20; lean_object* x_21; lean
 x_18 = lean_ctor_get(x_13, 1);
 lean_inc(x_18);
 lean_dec(x_13);
-x_19 = l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___closed__4;
+x_19 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___closed__4;
 x_20 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_12, x_19, x_4, x_18);
 x_21 = lean_ctor_get(x_20, 1);
 lean_inc(x_21);
@@ -14995,25 +14825,25 @@ return x_22;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___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* l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___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_Meta_EqnCompiler_DepElim_29__processComplete___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
+x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___lambda__1(x_1, x_2, x_3, x_4, x_5, x_6);
 lean_dec(x_4);
 return x_7;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete___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_Meta_EqnCompiler_DepElim_29__processComplete(x_1, x_2, x_3, x_4, x_5);
+x_6 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_4);
 return x_6;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -15049,7 +14879,7 @@ lean_object* x_8; lean_object* x_9; uint8_t x_10;
 x_8 = lean_ctor_get(x_2, 1);
 lean_inc(x_8);
 lean_dec(x_2);
-x_9 = lean_ctor_get(x_7, 1);
+x_9 = lean_ctor_get(x_7, 0);
 lean_inc(x_9);
 lean_dec(x_7);
 x_10 = l_Array_contains___at_Lean_Meta_CheckAssignment_check___main___spec__2(x_1, x_9);
@@ -15082,7 +14912,7 @@ goto _start;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
@@ -15090,11 +14920,11 @@ x_2 = lean_ctor_get(x_1, 2);
 lean_inc(x_2);
 lean_dec(x_1);
 x_3 = l_Array_empty___closed__1;
-x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues___spec__1(x_3, x_2);
+x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues___spec__1(x_3, x_2);
 return x_4;
 }
 }
-uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar(lean_object* x_1) {
+uint8_t l___private_Lean_Meta_EqnCompiler_DepElim_30__isFirstPatternVar(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
@@ -15124,17 +14954,17 @@ return x_6;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_30__isFirstPatternVar___boxed(lean_object* x_1) {
 _start:
 {
 uint8_t x_2; lean_object* x_3; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_30__isFirstPatternVar(x_1);
 lean_dec(x_1);
 x_3 = lean_box(x_2);
 return x_3;
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -15152,7 +14982,7 @@ if (x_4 == 0)
 lean_object* x_5; lean_object* x_6; uint8_t x_7; 
 x_5 = lean_ctor_get(x_1, 0);
 x_6 = lean_ctor_get(x_1, 1);
-x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar(x_5);
+x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_30__isFirstPatternVar(x_5);
 if (x_7 == 0)
 {
 lean_free_object(x_1);
@@ -15180,7 +15010,7 @@ x_11 = lean_ctor_get(x_1, 1);
 lean_inc(x_11);
 lean_inc(x_10);
 lean_dec(x_1);
-x_12 = l___private_Lean_Meta_EqnCompiler_DepElim_31__isFirstPatternVar(x_10);
+x_12 = l___private_Lean_Meta_EqnCompiler_DepElim_30__isFirstPatternVar(x_10);
 if (x_12 == 0)
 {
 lean_dec(x_10);
@@ -15201,7 +15031,7 @@ goto _start;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 if (lean_obj_tag(x_5) == 0)
@@ -15221,7 +15051,7 @@ lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_o
 x_8 = lean_ctor_get(x_5, 0);
 x_9 = lean_ctor_get(x_5, 1);
 lean_inc(x_1);
-x_10 = l___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues(x_1);
+x_10 = l___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues(x_1);
 x_11 = l_Lean_Expr_fvarId_x21(x_2);
 x_12 = lean_array_fget(x_10, x_3);
 lean_dec(x_10);
@@ -15230,7 +15060,7 @@ lean_ctor_set(x_13, 0, x_12);
 x_14 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_11, x_13, x_8);
 lean_dec(x_13);
 lean_dec(x_11);
-x_15 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__2(x_1, x_2, x_3, lean_box(0), x_9);
+x_15 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2(x_1, x_2, x_3, lean_box(0), x_9);
 lean_ctor_set(x_5, 1, x_15);
 lean_ctor_set(x_5, 0, x_14);
 return x_5;
@@ -15244,7 +15074,7 @@ lean_inc(x_17);
 lean_inc(x_16);
 lean_dec(x_5);
 lean_inc(x_1);
-x_18 = l___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues(x_1);
+x_18 = l___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues(x_1);
 x_19 = l_Lean_Expr_fvarId_x21(x_2);
 x_20 = lean_array_fget(x_18, x_3);
 lean_dec(x_18);
@@ -15253,7 +15083,7 @@ lean_ctor_set(x_21, 0, x_20);
 x_22 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_19, x_21, x_16);
 lean_dec(x_21);
 lean_dec(x_19);
-x_23 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__2(x_1, x_2, x_3, lean_box(0), x_17);
+x_23 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2(x_1, x_2, x_3, lean_box(0), 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);
@@ -15262,7 +15092,7 @@ return x_24;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -15287,7 +15117,7 @@ lean_inc(x_10);
 lean_dec(x_9);
 x_11 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_10, x_6);
 lean_dec(x_10);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3(x_1, x_2, x_7);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3(x_1, x_2, x_7);
 lean_ctor_set(x_3, 1, x_12);
 lean_ctor_set(x_3, 0, x_11);
 return x_3;
@@ -15307,7 +15137,7 @@ lean_inc(x_17);
 lean_dec(x_16);
 x_18 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_17, x_13);
 lean_dec(x_17);
-x_19 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3(x_1, x_2, x_14);
+x_19 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3(x_1, x_2, x_14);
 x_20 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
@@ -15316,7 +15146,7 @@ return x_20;
 }
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -15372,7 +15202,7 @@ lean_object* x_14; lean_object* x_15; uint8_t x_16;
 x_14 = lean_ctor_get(x_2, 1);
 lean_inc(x_14);
 lean_dec(x_2);
-x_15 = lean_ctor_get(x_10, 1);
+x_15 = lean_ctor_get(x_10, 0);
 lean_inc(x_15);
 lean_dec(x_10);
 x_16 = lean_expr_eqv(x_15, x_1);
@@ -15434,7 +15264,7 @@ lean_object* x_25; lean_object* x_26; uint8_t x_27;
 x_25 = lean_ctor_get(x_2, 1);
 lean_inc(x_25);
 lean_dec(x_2);
-x_26 = lean_ctor_get(x_21, 1);
+x_26 = lean_ctor_get(x_21, 0);
 lean_inc(x_26);
 lean_dec(x_21);
 x_27 = lean_expr_eqv(x_26, x_1);
@@ -15473,7 +15303,7 @@ goto _start;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -15507,7 +15337,7 @@ lean_inc(x_11);
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
 lean_dec(x_10);
-x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__5(x_1, x_9, x_3, x_12);
+x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__5(x_1, x_9, x_3, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
 uint8_t x_14; 
@@ -15608,7 +15438,7 @@ lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
-x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__5(x_1, x_28, x_3, x_31);
+x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__5(x_1, x_28, x_3, 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; 
@@ -15693,7 +15523,7 @@ return x_45;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -15792,7 +15622,7 @@ lean_dec(x_40);
 x_41 = lean_ctor_get(x_25, 1);
 lean_inc(x_41);
 lean_dec(x_25);
-x_42 = lean_ctor_get(x_35, 1);
+x_42 = lean_ctor_get(x_35, 0);
 lean_inc(x_42);
 lean_dec(x_35);
 lean_inc(x_1);
@@ -15804,7 +15634,7 @@ lean_object* x_44; lean_object* x_45; lean_object* x_46; lean_object* x_47; lean
 x_44 = lean_ctor_get(x_43, 1);
 lean_inc(x_44);
 lean_dec(x_43);
-x_45 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_41, x_3, x_44);
+x_45 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_41, x_3, x_44);
 x_46 = lean_ctor_get(x_45, 0);
 lean_inc(x_46);
 x_47 = lean_ctor_get(x_45, 1);
@@ -15816,7 +15646,7 @@ lean_inc(x_49);
 x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
 lean_dec(x_48);
-x_51 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_39, x_42);
+x_51 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_39, x_42);
 lean_dec(x_42);
 lean_ctor_set(x_7, 3, x_46);
 lean_ctor_set(x_7, 2, x_51);
@@ -15871,7 +15701,7 @@ lean_dec(x_7);
 x_59 = lean_ctor_get(x_25, 1);
 lean_inc(x_59);
 lean_dec(x_25);
-x_60 = lean_ctor_get(x_35, 1);
+x_60 = lean_ctor_get(x_35, 0);
 lean_inc(x_60);
 lean_dec(x_35);
 lean_inc(x_1);
@@ -15883,7 +15713,7 @@ lean_object* x_62; lean_object* x_63; lean_object* x_64; lean_object* x_65; lean
 x_62 = lean_ctor_get(x_61, 1);
 lean_inc(x_62);
 lean_dec(x_61);
-x_63 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_59, x_3, x_62);
+x_63 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_59, x_3, x_62);
 x_64 = lean_ctor_get(x_63, 0);
 lean_inc(x_64);
 x_65 = lean_ctor_get(x_63, 1);
@@ -15895,7 +15725,7 @@ lean_inc(x_67);
 x_68 = lean_ctor_get(x_66, 1);
 lean_inc(x_68);
 lean_dec(x_66);
-x_69 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_58, x_60);
+x_69 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_58, x_60);
 lean_dec(x_60);
 x_70 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_70, 0, x_56);
@@ -16036,7 +15866,7 @@ return x_91;
 block_24:
 {
 lean_object* x_12; 
-x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__6(x_1, x_8, x_3, x_11);
+x_12 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__6(x_1, x_8, x_3, x_11);
 if (lean_obj_tag(x_12) == 0)
 {
 uint8_t x_13; 
@@ -16104,7 +15934,7 @@ return x_23;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -16123,7 +15953,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8;
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_FVarSubst_apply(x_1, x_5);
-x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7(x_1, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7(x_1, x_6);
 lean_ctor_set(x_2, 1, x_8);
 lean_ctor_set(x_2, 0, x_7);
 return x_2;
@@ -16137,7 +15967,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_FVarSubst_apply(x_1, x_9);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7(x_1, x_10);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7(x_1, x_10);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -16146,7 +15976,7 @@ return x_13;
 }
 }
 }
-lean_object* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__8(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* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__8(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; uint8_t x_15; 
@@ -16175,9 +16005,9 @@ lean_inc(x_24);
 x_25 = lean_ctor_get(x_2, 3);
 lean_inc(x_25);
 x_26 = lean_box(0);
-x_27 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__1(x_24, x_26);
+x_27 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__1(x_24, x_26);
 lean_inc(x_12);
-x_28 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_27, x_12, x_13);
+x_28 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_27, x_12, x_13);
 if (lean_obj_tag(x_28) == 0)
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
@@ -16286,14 +16116,14 @@ lean_inc(x_48);
 x_49 = lean_ctor_get(x_2, 3);
 lean_inc(x_49);
 lean_inc(x_2);
-x_50 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__2(x_2, x_4, x_19, lean_box(0), x_49);
-x_51 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3(x_8, x_19, x_50);
+x_50 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2(x_2, x_4, x_19, lean_box(0), x_49);
+x_51 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3(x_8, x_19, x_50);
 lean_dec(x_19);
 x_52 = lean_box(0);
-x_53 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__4(x_45, x_48, x_52);
+x_53 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__4(x_45, x_48, x_52);
 lean_inc(x_12);
 lean_inc(x_47);
-x_54 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__5(x_47, x_53, x_12, x_13);
+x_54 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__5(x_47, x_53, x_12, x_13);
 if (lean_obj_tag(x_54) == 0)
 {
 lean_object* x_55; lean_object* x_56; lean_object* x_57; 
@@ -16303,7 +16133,7 @@ x_56 = lean_ctor_get(x_54, 1);
 lean_inc(x_56);
 lean_dec(x_54);
 lean_inc(x_12);
-x_57 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_55, x_12, x_56);
+x_57 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_55, x_12, x_56);
 if (lean_obj_tag(x_57) == 0)
 {
 lean_object* x_58; lean_object* x_59; lean_object* x_60; 
@@ -16313,7 +16143,7 @@ x_59 = lean_ctor_get(x_57, 1);
 lean_inc(x_59);
 lean_dec(x_57);
 lean_inc(x_12);
-x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__6(x_45, x_58, x_12, x_59);
+x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__6(x_45, x_58, x_12, x_59);
 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; 
@@ -16323,7 +16153,7 @@ x_62 = lean_ctor_get(x_60, 1);
 lean_inc(x_62);
 lean_dec(x_60);
 lean_inc(x_5);
-x_63 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7(x_47, x_5);
+x_63 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7(x_47, x_5);
 lean_dec(x_47);
 x_64 = lean_alloc_ctor(0, 4, 0);
 lean_ctor_set(x_64, 0, x_46);
@@ -16493,7 +16323,7 @@ return x_85;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -16501,27 +16331,27 @@ x_1 = lean_mk_string("value step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue(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_object* x_7; lean_object* x_27; uint8_t x_28; 
@@ -16539,7 +16369,7 @@ goto block_26;
 else
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; uint8_t x_32; 
-x_29 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_29 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_30 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_29, x_4, x_5);
 x_31 = lean_ctor_get(x_30, 0);
 lean_inc(x_31);
@@ -16560,7 +16390,7 @@ lean_object* x_34; lean_object* x_35; lean_object* x_36; lean_object* x_37;
 x_34 = lean_ctor_get(x_30, 1);
 lean_inc(x_34);
 lean_dec(x_30);
-x_35 = l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___closed__3;
+x_35 = l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___closed__3;
 x_36 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main___spec__1(x_29, x_35, x_4, x_34);
 x_37 = lean_ctor_get(x_36, 1);
 lean_inc(x_37);
@@ -16590,7 +16420,7 @@ lean_inc(x_11);
 x_12 = lean_ctor_get(x_6, 1);
 lean_inc(x_12);
 lean_inc(x_2);
-x_13 = l___private_Lean_Meta_EqnCompiler_DepElim_30__collectValues(x_2);
+x_13 = l___private_Lean_Meta_EqnCompiler_DepElim_29__collectValues(x_2);
 x_14 = lean_ctor_get(x_2, 0);
 lean_inc(x_14);
 x_15 = l_Lean_Expr_fvarId_x21(x_11);
@@ -16607,7 +16437,7 @@ lean_inc(x_19);
 lean_dec(x_17);
 x_20 = lean_array_get_size(x_18);
 lean_inc(x_20);
-x_21 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__8(x_1, x_2, x_6, x_11, x_12, x_13, x_15, x_18, x_20, x_20, x_3, x_4, x_19);
+x_21 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__8(x_1, x_2, x_6, x_11, x_12, x_13, x_15, x_18, x_20, x_20, x_3, x_4, x_19);
 lean_dec(x_20);
 lean_dec(x_18);
 lean_dec(x_15);
@@ -16650,49 +16480,49 @@ return x_25;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___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* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2___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_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__2(x_1, x_2, x_3, x_4, x_5);
+x_6 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__2(x_1, x_2, x_3, x_4, x_5);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_6;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__3(x_1, x_2, x_3);
+x_4 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__3(x_1, x_2, x_3);
 lean_dec(x_2);
 lean_dec(x_1);
 return x_4;
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__4___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 lean_object* x_4; 
-x_4 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__4(x_1, x_2, x_3);
+x_4 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__4(x_1, x_2, x_3);
 lean_dec(x_1);
 return x_4;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__7(x_1, x_2);
+x_3 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__7(x_1, x_2);
 lean_dec(x_1);
 return x_3;
 }
 }
-lean_object* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___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, 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* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___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, 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_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__8(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 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__8(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_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -16701,7 +16531,7 @@ lean_dec(x_4);
 return x_14;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes___spec__1(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes___spec__1(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -16728,7 +16558,7 @@ if (lean_obj_tag(x_7) == 4)
 {
 lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; uint8_t x_12; 
 x_8 = lean_ctor_get(x_2, 1);
-x_9 = lean_ctor_get(x_7, 2);
+x_9 = lean_ctor_get(x_7, 1);
 x_10 = lean_unsigned_to_nat(0u);
 x_11 = l_List_lengthAux___main___rarg(x_9, x_10);
 x_12 = l_Array_contains___at___private_Lean_Meta_FunInfo_3__collectDepsAux___main___spec__2(x_1, x_11);
@@ -16758,35 +16588,35 @@ goto _start;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; 
 x_2 = lean_ctor_get(x_1, 2);
 x_3 = l_Array_empty___closed__1;
-x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes___spec__1(x_3, x_2);
+x_4 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes___spec__1(x_3, x_2);
 return x_4;
 }
 }
-lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes___spec__1___boxed(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 lean_object* x_3; 
-x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes___spec__1(x_1, x_2);
+x_3 = l_List_foldl___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes___spec__1(x_1, x_2);
 lean_dec(x_2);
 return x_3;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes___boxed(lean_object* x_1) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes___boxed(lean_object* x_1) {
 _start:
 {
 lean_object* x_2; 
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_33__collectArraySizes(x_1);
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_32__collectArraySizes(x_1);
 lean_dec(x_1);
 return x_2;
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__1(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__1(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -16805,7 +16635,7 @@ lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7;
 x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
 x_6 = l_Lean_mkFVar(x_4);
-x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__1(x_5);
+x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__1(x_5);
 lean_ctor_set(x_1, 1, x_7);
 lean_ctor_set(x_1, 0, x_6);
 return x_1;
@@ -16819,7 +16649,7 @@ lean_inc(x_9);
 lean_inc(x_8);
 lean_dec(x_1);
 x_10 = l_Lean_mkFVar(x_8);
-x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__1(x_9);
+x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__1(x_9);
 x_12 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_12, 0, x_10);
 lean_ctor_set(x_12, 1, x_11);
@@ -16828,7 +16658,7 @@ return x_12;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__2(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__2(lean_object* x_1, lean_object* x_2) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -16847,7 +16677,7 @@ lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8;
 x_5 = lean_ctor_get(x_2, 0);
 x_6 = lean_ctor_get(x_2, 1);
 x_7 = l_Lean_Meta_FVarSubst_apply(x_1, x_5);
-x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__2(x_1, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__2(x_1, x_6);
 lean_ctor_set(x_2, 1, x_8);
 lean_ctor_set(x_2, 0, x_7);
 return x_2;
@@ -16861,7 +16691,7 @@ lean_inc(x_10);
 lean_inc(x_9);
 lean_dec(x_2);
 x_11 = l_Lean_Meta_FVarSubst_apply(x_1, x_9);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__2(x_1, x_10);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__2(x_1, x_10);
 x_13 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_13, 0, x_11);
 lean_ctor_set(x_13, 1, x_12);
@@ -16870,7 +16700,7 @@ return x_13;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__3(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__3(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -16890,7 +16720,7 @@ x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
 x_6 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_6, 0, x_4);
-x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__3(x_5);
+x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__3(x_5);
 lean_ctor_set(x_1, 1, x_7);
 lean_ctor_set(x_1, 0, x_6);
 return x_1;
@@ -16905,7 +16735,7 @@ lean_inc(x_8);
 lean_dec(x_1);
 x_10 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_10, 0, x_8);
-x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__3(x_9);
+x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__3(x_9);
 x_12 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_12, 0, x_10);
 lean_ctor_set(x_12, 1, x_11);
@@ -16914,7 +16744,7 @@ return x_12;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__4(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_4) == 0)
@@ -16940,13 +16770,13 @@ lean_inc(x_12);
 lean_dec(x_11);
 x_13 = l_Array_toList___rarg(x_12);
 lean_dec(x_12);
-x_14 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__3(x_13);
+x_14 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__3(x_13);
 x_15 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_15, 0, x_14);
 x_16 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_9, x_15, x_7);
 lean_dec(x_15);
 lean_dec(x_9);
-x_17 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__4(x_1, x_2, x_3, x_8);
+x_17 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__4(x_1, x_2, x_3, x_8);
 lean_ctor_set(x_4, 1, x_17);
 lean_ctor_set(x_4, 0, x_16);
 return x_4;
@@ -16967,13 +16797,13 @@ lean_inc(x_23);
 lean_dec(x_22);
 x_24 = l_Array_toList___rarg(x_23);
 lean_dec(x_23);
-x_25 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__3(x_24);
+x_25 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__3(x_24);
 x_26 = lean_alloc_ctor(4, 1, 0);
 lean_ctor_set(x_26, 0, x_25);
 x_27 = l_Lean_Meta_DepElim_Example_replaceFVarId___main(x_20, x_26, x_18);
 lean_dec(x_26);
 lean_dec(x_20);
-x_28 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__4(x_1, x_2, x_3, x_19);
+x_28 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__4(x_1, x_2, x_3, x_19);
 x_29 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_29, 0, x_27);
 lean_ctor_set(x_29, 1, x_28);
@@ -16982,7 +16812,7 @@ return x_29;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__5(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -17007,7 +16837,7 @@ lean_inc(x_10);
 lean_dec(x_9);
 x_11 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_10, x_6);
 lean_dec(x_10);
-x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__5(x_1, x_2, x_7);
+x_12 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__5(x_1, x_2, x_7);
 lean_ctor_set(x_3, 1, x_12);
 lean_ctor_set(x_3, 0, x_11);
 return x_3;
@@ -17027,7 +16857,7 @@ lean_inc(x_17);
 lean_dec(x_16);
 x_18 = l_Lean_Meta_DepElim_Example_applyFVarSubst___main(x_17, x_13);
 lean_dec(x_17);
-x_19 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__5(x_1, x_2, x_14);
+x_19 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__5(x_1, x_2, x_14);
 x_20 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_20, 0, x_18);
 lean_ctor_set(x_20, 1, x_19);
@@ -17036,7 +16866,7 @@ return x_20;
 }
 }
 }
-lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
+lean_object* l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__6(lean_object* x_1, lean_object* x_2, lean_object* x_3) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -17092,7 +16922,7 @@ lean_object* x_14; lean_object* x_15; lean_object* x_16; lean_object* x_17; uint
 x_14 = lean_ctor_get(x_2, 1);
 lean_inc(x_14);
 lean_dec(x_2);
-x_15 = lean_ctor_get(x_10, 2);
+x_15 = lean_ctor_get(x_10, 1);
 lean_inc(x_15);
 lean_dec(x_10);
 x_16 = lean_unsigned_to_nat(0u);
@@ -17157,7 +16987,7 @@ lean_object* x_27; lean_object* x_28; lean_object* x_29; lean_object* x_30; uint
 x_27 = lean_ctor_get(x_2, 1);
 lean_inc(x_27);
 lean_dec(x_2);
-x_28 = lean_ctor_get(x_23, 2);
+x_28 = lean_ctor_get(x_23, 1);
 lean_inc(x_28);
 lean_dec(x_23);
 x_29 = lean_unsigned_to_nat(0u);
@@ -17199,7 +17029,7 @@ goto _start;
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__7(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
 if (lean_obj_tag(x_2) == 0)
@@ -17233,7 +17063,7 @@ lean_inc(x_11);
 x_12 = lean_ctor_get(x_10, 1);
 lean_inc(x_12);
 lean_dec(x_10);
-x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__7(x_1, x_9, x_3, x_12);
+x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__7(x_1, x_9, x_3, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
 uint8_t x_14; 
@@ -17334,7 +17164,7 @@ lean_inc(x_30);
 x_31 = lean_ctor_get(x_29, 1);
 lean_inc(x_31);
 lean_dec(x_29);
-x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__7(x_1, x_28, x_3, x_31);
+x_32 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__7(x_1, x_28, x_3, 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; 
@@ -17419,7 +17249,7 @@ return x_45;
 }
 }
 }
-lean_object* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__8(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* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__8(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; uint8_t x_8; 
@@ -17462,7 +17292,7 @@ return x_18;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__9(lean_object* x_1) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__9(lean_object* x_1) {
 _start:
 {
 if (lean_obj_tag(x_1) == 0)
@@ -17482,7 +17312,7 @@ x_4 = lean_ctor_get(x_1, 0);
 x_5 = lean_ctor_get(x_1, 1);
 x_6 = l_Lean_Expr_mvarId_x21(x_4);
 lean_dec(x_4);
-x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__9(x_5);
+x_7 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__9(x_5);
 lean_ctor_set(x_1, 1, x_7);
 lean_ctor_set(x_1, 0, x_6);
 return x_1;
@@ -17497,7 +17327,7 @@ lean_inc(x_8);
 lean_dec(x_1);
 x_10 = l_Lean_Expr_mvarId_x21(x_8);
 lean_dec(x_8);
-x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__9(x_9);
+x_11 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__9(x_9);
 x_12 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_12, 0, x_10);
 lean_ctor_set(x_12, 1, x_11);
@@ -17506,60 +17336,55 @@ return x_12;
 }
 }
 }
-lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__10(lean_object* x_1, lean_object* x_2) {
+lean_object* l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(lean_object* x_1) {
 _start:
 {
-if (lean_obj_tag(x_2) == 0)
+if (lean_obj_tag(x_1) == 0)
 {
-lean_object* x_3; 
-lean_dec(x_1);
-x_3 = lean_box(0);
-return x_3;
-}
-else
-{
-uint8_t x_4; 
-x_4 = !lean_is_exclusive(x_2);
-if (x_4 == 0)
-{
-lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; 
-x_5 = lean_ctor_get(x_2, 0);
-x_6 = lean_ctor_get(x_2, 1);
-x_7 = l_Lean_Expr_mvarId_x21(x_5);
-lean_dec(x_5);
-lean_inc(x_1);
-x_8 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_8, 0, x_1);
-lean_ctor_set(x_8, 1, x_7);
-x_9 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__10(x_1, x_6);
-lean_ctor_set(x_2, 1, x_9);
-lean_ctor_set(x_2, 0, x_8);
+lean_object* x_2; 
+x_2 = lean_box(0);
 return x_2;
 }
 else
 {
-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 = lean_ctor_get(x_2, 0);
-x_11 = lean_ctor_get(x_2, 1);
-lean_inc(x_11);
+uint8_t x_3; 
+x_3 = !lean_is_exclusive(x_1);
+if (x_3 == 0)
+{
+lean_object* x_4; lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
+x_4 = lean_ctor_get(x_1, 0);
+x_5 = lean_ctor_get(x_1, 1);
+x_6 = l_Lean_Expr_mvarId_x21(x_4);
+lean_dec(x_4);
+x_7 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_7, 0, x_6);
+x_8 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(x_5);
+lean_ctor_set(x_1, 1, x_8);
+lean_ctor_set(x_1, 0, x_7);
+return x_1;
+}
+else
+{
+lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; 
+x_9 = lean_ctor_get(x_1, 0);
+x_10 = lean_ctor_get(x_1, 1);
 lean_inc(x_10);
-lean_dec(x_2);
-x_12 = l_Lean_Expr_mvarId_x21(x_10);
-lean_dec(x_10);
-lean_inc(x_1);
-x_13 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_13, 0, x_1);
-lean_ctor_set(x_13, 1, x_12);
-x_14 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__10(x_1, x_11);
-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_inc(x_9);
+lean_dec(x_1);
+x_11 = l_Lean_Expr_mvarId_x21(x_9);
+lean_dec(x_9);
+x_12 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_12, 0, x_11);
+x_13 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(x_10);
+x_14 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_14, 0, x_12);
+lean_ctor_set(x_14, 1, x_13);
+return x_14;
 }
 }
 }
 }
-lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__11(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
 _start:
 {
 if (lean_obj_tag(x_3) == 0)
@@ -17651,7 +17476,7 @@ uint8_t x_37;
 x_37 = !lean_is_exclusive(x_8);
 if (x_37 == 0)
 {
-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_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_38 = lean_ctor_get(x_8, 0);
 x_39 = lean_ctor_get(x_8, 1);
 x_40 = lean_ctor_get(x_8, 2);
@@ -17662,80 +17487,77 @@ lean_inc(x_42);
 lean_dec(x_26);
 x_43 = lean_ctor_get(x_36, 0);
 lean_inc(x_43);
-x_44 = lean_ctor_get(x_36, 1);
-lean_inc(x_44);
 lean_dec(x_36);
 lean_inc(x_4);
 lean_inc(x_1);
-x_45 = l_Lean_Meta_getArrayArgType(x_1, x_4, x_5);
-if (lean_obj_tag(x_45) == 0)
+x_44 = l_Lean_Meta_getArrayArgType(x_1, x_4, x_5);
+if (lean_obj_tag(x_44) == 0)
 {
-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_46 = lean_ctor_get(x_45, 0);
+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_45 = lean_ctor_get(x_44, 0);
+lean_inc(x_45);
+x_46 = lean_ctor_get(x_44, 1);
 lean_inc(x_46);
-x_47 = lean_ctor_get(x_45, 1);
-lean_inc(x_47);
-lean_dec(x_45);
-x_48 = lean_box(0);
+lean_dec(x_44);
+x_47 = lean_box(0);
 lean_inc(x_4);
 lean_inc(x_2);
-lean_inc(x_46);
-x_49 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__8(x_46, x_2, x_2, x_48, x_4, x_47);
-x_50 = lean_ctor_get(x_49, 0);
+lean_inc(x_45);
+x_48 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__8(x_45, x_2, x_2, x_47, x_4, x_46);
+x_49 = lean_ctor_get(x_48, 0);
+lean_inc(x_49);
+x_50 = lean_ctor_get(x_48, 1);
 lean_inc(x_50);
-x_51 = lean_ctor_get(x_49, 1);
-lean_inc(x_51);
-lean_dec(x_49);
+lean_dec(x_48);
 lean_inc(x_4);
-lean_inc(x_50);
-x_52 = l_Lean_Meta_mkArrayLit(x_46, x_50, x_4, x_51);
-if (lean_obj_tag(x_52) == 0)
+lean_inc(x_49);
+x_51 = l_Lean_Meta_mkArrayLit(x_45, x_49, x_4, x_50);
+if (lean_obj_tag(x_51) == 0)
 {
-lean_object* x_53; lean_object* x_54; lean_object* x_55; 
-x_53 = lean_ctor_get(x_52, 0);
+lean_object* x_52; lean_object* x_53; lean_object* x_54; 
+x_52 = lean_ctor_get(x_51, 0);
+lean_inc(x_52);
+x_53 = lean_ctor_get(x_51, 1);
 lean_inc(x_53);
-x_54 = lean_ctor_get(x_52, 1);
-lean_inc(x_54);
-lean_dec(x_52);
-lean_inc(x_44);
-x_55 = l_Lean_Meta_assignExprMVar(x_44, x_53, x_4, x_54);
-if (lean_obj_tag(x_55) == 0)
+lean_dec(x_51);
+lean_inc(x_43);
+x_54 = l_Lean_Meta_assignExprMVar(x_43, x_52, x_4, x_53);
+if (lean_obj_tag(x_54) == 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; 
-x_56 = lean_ctor_get(x_55, 1);
-lean_inc(x_56);
-lean_dec(x_55);
-x_57 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_42, x_4, x_56);
-x_58 = lean_ctor_get(x_57, 0);
+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; 
+x_55 = lean_ctor_get(x_54, 1);
+lean_inc(x_55);
+lean_dec(x_54);
+x_56 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_42, x_4, x_55);
+x_57 = lean_ctor_get(x_56, 0);
+lean_inc(x_57);
+x_58 = lean_ctor_get(x_56, 1);
 lean_inc(x_58);
-x_59 = lean_ctor_get(x_57, 1);
-lean_inc(x_59);
-lean_dec(x_57);
-x_60 = l_Lean_Meta_instantiateMVars(x_39, x_4, x_59);
-x_61 = lean_ctor_get(x_60, 0);
+lean_dec(x_56);
+x_59 = l_Lean_Meta_instantiateMVars(x_39, x_4, x_58);
+x_60 = lean_ctor_get(x_59, 0);
+lean_inc(x_60);
+x_61 = lean_ctor_get(x_59, 1);
 lean_inc(x_61);
-x_62 = lean_ctor_get(x_60, 1);
-lean_inc(x_62);
-lean_dec(x_60);
-x_63 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_40, x_44);
-lean_dec(x_44);
-lean_inc(x_50);
-x_64 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__9(x_50);
-x_65 = l_List_append___rarg(x_64, x_63);
-x_66 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__10(x_43, x_50);
-x_67 = l_List_append___rarg(x_66, x_58);
-lean_ctor_set(x_8, 3, x_67);
-lean_ctor_set(x_8, 2, x_65);
-lean_ctor_set(x_8, 1, x_61);
+lean_dec(x_59);
+x_62 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_40, x_43);
+lean_dec(x_43);
+lean_inc(x_49);
+x_63 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__9(x_49);
+x_64 = l_List_append___rarg(x_63, x_62);
+x_65 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(x_49);
+x_66 = l_List_append___rarg(x_65, x_57);
+lean_ctor_set(x_8, 3, x_66);
+lean_ctor_set(x_8, 2, x_64);
+lean_ctor_set(x_8, 1, x_60);
 x_11 = x_8;
-x_12 = x_62;
+x_12 = x_61;
 goto block_25;
 }
 else
 {
-uint8_t x_68; 
-lean_dec(x_50);
-lean_dec(x_44);
+uint8_t x_67; 
+lean_dec(x_49);
 lean_dec(x_43);
 lean_dec(x_42);
 lean_free_object(x_8);
@@ -17747,31 +17569,30 @@ lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_68 = !lean_is_exclusive(x_55);
-if (x_68 == 0)
+x_67 = !lean_is_exclusive(x_54);
+if (x_67 == 0)
 {
-return x_55;
+return x_54;
 }
 else
 {
-lean_object* x_69; lean_object* x_70; lean_object* x_71; 
-x_69 = lean_ctor_get(x_55, 0);
-x_70 = lean_ctor_get(x_55, 1);
-lean_inc(x_70);
+lean_object* x_68; lean_object* x_69; lean_object* x_70; 
+x_68 = lean_ctor_get(x_54, 0);
+x_69 = lean_ctor_get(x_54, 1);
 lean_inc(x_69);
-lean_dec(x_55);
-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_inc(x_68);
+lean_dec(x_54);
+x_70 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_70, 0, x_68);
+lean_ctor_set(x_70, 1, x_69);
+return x_70;
 }
 }
 }
 else
 {
-uint8_t x_72; 
-lean_dec(x_50);
-lean_dec(x_44);
+uint8_t x_71; 
+lean_dec(x_49);
 lean_dec(x_43);
 lean_dec(x_42);
 lean_free_object(x_8);
@@ -17783,30 +17604,29 @@ lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_72 = !lean_is_exclusive(x_52);
-if (x_72 == 0)
+x_71 = !lean_is_exclusive(x_51);
+if (x_71 == 0)
 {
-return x_52;
+return x_51;
 }
 else
 {
-lean_object* x_73; lean_object* x_74; lean_object* x_75; 
-x_73 = lean_ctor_get(x_52, 0);
-x_74 = lean_ctor_get(x_52, 1);
-lean_inc(x_74);
+lean_object* x_72; lean_object* x_73; lean_object* x_74; 
+x_72 = lean_ctor_get(x_51, 0);
+x_73 = lean_ctor_get(x_51, 1);
 lean_inc(x_73);
-lean_dec(x_52);
-x_75 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_75, 0, x_73);
-lean_ctor_set(x_75, 1, x_74);
-return x_75;
+lean_inc(x_72);
+lean_dec(x_51);
+x_74 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_74, 0, x_72);
+lean_ctor_set(x_74, 1, x_73);
+return x_74;
 }
 }
 }
 else
 {
-uint8_t x_76; 
-lean_dec(x_44);
+uint8_t x_75; 
 lean_dec(x_43);
 lean_dec(x_42);
 lean_free_object(x_8);
@@ -17818,318 +17638,313 @@ lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_76 = !lean_is_exclusive(x_45);
-if (x_76 == 0)
+x_75 = !lean_is_exclusive(x_44);
+if (x_75 == 0)
 {
-return x_45;
+return x_44;
 }
 else
 {
-lean_object* x_77; lean_object* x_78; lean_object* x_79; 
-x_77 = lean_ctor_get(x_45, 0);
-x_78 = lean_ctor_get(x_45, 1);
-lean_inc(x_78);
+lean_object* x_76; lean_object* x_77; lean_object* x_78; 
+x_76 = lean_ctor_get(x_44, 0);
+x_77 = lean_ctor_get(x_44, 1);
 lean_inc(x_77);
-lean_dec(x_45);
-x_79 = lean_alloc_ctor(1, 2, 0);
-lean_ctor_set(x_79, 0, x_77);
-lean_ctor_set(x_79, 1, x_78);
-return x_79;
+lean_inc(x_76);
+lean_dec(x_44);
+x_78 = lean_alloc_ctor(1, 2, 0);
+lean_ctor_set(x_78, 0, x_76);
+lean_ctor_set(x_78, 1, x_77);
+return x_78;
 }
 }
 }
 else
 {
-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; 
-x_80 = lean_ctor_get(x_8, 0);
-x_81 = lean_ctor_get(x_8, 1);
-x_82 = lean_ctor_get(x_8, 2);
-lean_inc(x_82);
+lean_object* x_79; lean_object* x_80; lean_object* x_81; lean_object* x_82; lean_object* x_83; lean_object* x_84; 
+x_79 = lean_ctor_get(x_8, 0);
+x_80 = lean_ctor_get(x_8, 1);
+x_81 = lean_ctor_get(x_8, 2);
 lean_inc(x_81);
 lean_inc(x_80);
+lean_inc(x_79);
 lean_dec(x_8);
-x_83 = lean_ctor_get(x_26, 1);
-lean_inc(x_83);
+x_82 = lean_ctor_get(x_26, 1);
+lean_inc(x_82);
 lean_dec(x_26);
-x_84 = lean_ctor_get(x_36, 0);
-lean_inc(x_84);
-x_85 = lean_ctor_get(x_36, 1);
-lean_inc(x_85);
+x_83 = lean_ctor_get(x_36, 0);
+lean_inc(x_83);
 lean_dec(x_36);
 lean_inc(x_4);
 lean_inc(x_1);
-x_86 = l_Lean_Meta_getArrayArgType(x_1, x_4, x_5);
-if (lean_obj_tag(x_86) == 0)
+x_84 = l_Lean_Meta_getArrayArgType(x_1, x_4, x_5);
+if (lean_obj_tag(x_84) == 0)
 {
-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_87 = lean_ctor_get(x_86, 0);
-lean_inc(x_87);
-x_88 = lean_ctor_get(x_86, 1);
-lean_inc(x_88);
-lean_dec(x_86);
-x_89 = lean_box(0);
+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_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 = lean_box(0);
 lean_inc(x_4);
 lean_inc(x_2);
-lean_inc(x_87);
-x_90 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__8(x_87, x_2, x_2, x_89, x_4, x_88);
-x_91 = lean_ctor_get(x_90, 0);
-lean_inc(x_91);
-x_92 = lean_ctor_get(x_90, 1);
-lean_inc(x_92);
-lean_dec(x_90);
-lean_inc(x_4);
-lean_inc(x_91);
-x_93 = l_Lean_Meta_mkArrayLit(x_87, x_91, x_4, x_92);
-if (lean_obj_tag(x_93) == 0)
-{
-lean_object* x_94; lean_object* x_95; lean_object* x_96; 
-x_94 = lean_ctor_get(x_93, 0);
-lean_inc(x_94);
-x_95 = lean_ctor_get(x_93, 1);
-lean_inc(x_95);
-lean_dec(x_93);
 lean_inc(x_85);
-x_96 = l_Lean_Meta_assignExprMVar(x_85, x_94, x_4, x_95);
-if (lean_obj_tag(x_96) == 0)
+x_88 = l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__8(x_85, x_2, x_2, x_87, x_4, x_86);
+x_89 = lean_ctor_get(x_88, 0);
+lean_inc(x_89);
+x_90 = lean_ctor_get(x_88, 1);
+lean_inc(x_90);
+lean_dec(x_88);
+lean_inc(x_4);
+lean_inc(x_89);
+x_91 = l_Lean_Meta_mkArrayLit(x_85, x_89, x_4, x_90);
+if (lean_obj_tag(x_91) == 0)
 {
-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 = lean_ctor_get(x_96, 1);
+lean_object* x_92; lean_object* x_93; lean_object* x_94; 
+x_92 = lean_ctor_get(x_91, 0);
+lean_inc(x_92);
+x_93 = lean_ctor_get(x_91, 1);
+lean_inc(x_93);
+lean_dec(x_91);
+lean_inc(x_83);
+x_94 = l_Lean_Meta_assignExprMVar(x_83, x_92, x_4, x_93);
+if (lean_obj_tag(x_94) == 0)
+{
+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; lean_object* x_107; 
+x_95 = lean_ctor_get(x_94, 1);
+lean_inc(x_95);
+lean_dec(x_94);
+x_96 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_25__tryConstructorAux___main___spec__1(x_82, x_4, x_95);
+x_97 = lean_ctor_get(x_96, 0);
 lean_inc(x_97);
+x_98 = lean_ctor_get(x_96, 1);
+lean_inc(x_98);
 lean_dec(x_96);
-x_98 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_26__tryConstructorAux___main___spec__1(x_83, x_4, x_97);
-x_99 = lean_ctor_get(x_98, 0);
-lean_inc(x_99);
-x_100 = lean_ctor_get(x_98, 1);
+x_99 = l_Lean_Meta_instantiateMVars(x_80, x_4, x_98);
+x_100 = lean_ctor_get(x_99, 0);
 lean_inc(x_100);
-lean_dec(x_98);
-x_101 = l_Lean_Meta_instantiateMVars(x_81, x_4, x_100);
-x_102 = lean_ctor_get(x_101, 0);
-lean_inc(x_102);
-x_103 = lean_ctor_get(x_101, 1);
-lean_inc(x_103);
-lean_dec(x_101);
-x_104 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern___spec__1(x_82, x_85);
-lean_dec(x_85);
-lean_inc(x_91);
-x_105 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__9(x_91);
-x_106 = l_List_append___rarg(x_105, x_104);
-x_107 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__10(x_84, x_91);
-x_108 = l_List_append___rarg(x_107, x_99);
-x_109 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_109, 0, x_80);
-lean_ctor_set(x_109, 1, x_102);
-lean_ctor_set(x_109, 2, x_106);
-lean_ctor_set(x_109, 3, x_108);
-x_11 = x_109;
-x_12 = x_103;
+x_101 = lean_ctor_get(x_99, 1);
+lean_inc(x_101);
+lean_dec(x_99);
+x_102 = l_List_erase___main___at___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern___spec__1(x_81, x_83);
+lean_dec(x_83);
+lean_inc(x_89);
+x_103 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__9(x_89);
+x_104 = l_List_append___rarg(x_103, x_102);
+x_105 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__10(x_89);
+x_106 = l_List_append___rarg(x_105, x_97);
+x_107 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_107, 0, x_79);
+lean_ctor_set(x_107, 1, x_100);
+lean_ctor_set(x_107, 2, x_104);
+lean_ctor_set(x_107, 3, x_106);
+x_11 = x_107;
+x_12 = x_101;
 goto block_25;
 }
 else
 {
-lean_object* x_110; lean_object* x_111; lean_object* x_112; lean_object* x_113; 
-lean_dec(x_91);
-lean_dec(x_85);
-lean_dec(x_84);
+lean_object* x_108; lean_object* x_109; lean_object* x_110; lean_object* x_111; 
+lean_dec(x_89);
 lean_dec(x_83);
 lean_dec(x_82);
 lean_dec(x_81);
 lean_dec(x_80);
+lean_dec(x_79);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_110 = lean_ctor_get(x_96, 0);
-lean_inc(x_110);
-x_111 = lean_ctor_get(x_96, 1);
-lean_inc(x_111);
-if (lean_is_exclusive(x_96)) {
- lean_ctor_release(x_96, 0);
- lean_ctor_release(x_96, 1);
- x_112 = x_96;
+x_108 = lean_ctor_get(x_94, 0);
+lean_inc(x_108);
+x_109 = lean_ctor_get(x_94, 1);
+lean_inc(x_109);
+if (lean_is_exclusive(x_94)) {
+ lean_ctor_release(x_94, 0);
+ lean_ctor_release(x_94, 1);
+ x_110 = x_94;
 } else {
- lean_dec_ref(x_96);
- x_112 = lean_box(0);
+ lean_dec_ref(x_94);
+ x_110 = lean_box(0);
 }
-if (lean_is_scalar(x_112)) {
- x_113 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_110)) {
+ x_111 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_113 = x_112;
+ x_111 = x_110;
 }
-lean_ctor_set(x_113, 0, x_110);
-lean_ctor_set(x_113, 1, x_111);
-return x_113;
+lean_ctor_set(x_111, 0, x_108);
+lean_ctor_set(x_111, 1, x_109);
+return x_111;
 }
 }
 else
 {
-lean_object* x_114; lean_object* x_115; lean_object* x_116; lean_object* x_117; 
-lean_dec(x_91);
-lean_dec(x_85);
-lean_dec(x_84);
+lean_object* x_112; lean_object* x_113; lean_object* x_114; lean_object* x_115; 
+lean_dec(x_89);
 lean_dec(x_83);
 lean_dec(x_82);
 lean_dec(x_81);
 lean_dec(x_80);
+lean_dec(x_79);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_114 = lean_ctor_get(x_93, 0);
-lean_inc(x_114);
-x_115 = lean_ctor_get(x_93, 1);
-lean_inc(x_115);
-if (lean_is_exclusive(x_93)) {
- lean_ctor_release(x_93, 0);
- lean_ctor_release(x_93, 1);
- x_116 = x_93;
+x_112 = lean_ctor_get(x_91, 0);
+lean_inc(x_112);
+x_113 = lean_ctor_get(x_91, 1);
+lean_inc(x_113);
+if (lean_is_exclusive(x_91)) {
+ lean_ctor_release(x_91, 0);
+ lean_ctor_release(x_91, 1);
+ x_114 = x_91;
 } else {
- lean_dec_ref(x_93);
- x_116 = lean_box(0);
+ lean_dec_ref(x_91);
+ x_114 = lean_box(0);
 }
-if (lean_is_scalar(x_116)) {
- x_117 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_114)) {
+ x_115 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_117 = x_116;
+ x_115 = x_114;
 }
-lean_ctor_set(x_117, 0, x_114);
-lean_ctor_set(x_117, 1, x_115);
-return x_117;
+lean_ctor_set(x_115, 0, x_112);
+lean_ctor_set(x_115, 1, x_113);
+return x_115;
 }
 }
 else
 {
-lean_object* x_118; lean_object* x_119; lean_object* x_120; lean_object* x_121; 
-lean_dec(x_85);
-lean_dec(x_84);
+lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119; 
 lean_dec(x_83);
 lean_dec(x_82);
 lean_dec(x_81);
 lean_dec(x_80);
+lean_dec(x_79);
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_118 = lean_ctor_get(x_86, 0);
-lean_inc(x_118);
-x_119 = lean_ctor_get(x_86, 1);
-lean_inc(x_119);
-if (lean_is_exclusive(x_86)) {
- lean_ctor_release(x_86, 0);
- lean_ctor_release(x_86, 1);
- x_120 = x_86;
+x_116 = lean_ctor_get(x_84, 0);
+lean_inc(x_116);
+x_117 = lean_ctor_get(x_84, 1);
+lean_inc(x_117);
+if (lean_is_exclusive(x_84)) {
+ lean_ctor_release(x_84, 0);
+ lean_ctor_release(x_84, 1);
+ x_118 = x_84;
 } else {
- lean_dec_ref(x_86);
- x_120 = lean_box(0);
+ lean_dec_ref(x_84);
+ x_118 = lean_box(0);
 }
-if (lean_is_scalar(x_120)) {
- x_121 = lean_alloc_ctor(1, 2, 0);
+if (lean_is_scalar(x_118)) {
+ x_119 = lean_alloc_ctor(1, 2, 0);
 } else {
- x_121 = x_120;
+ x_119 = x_118;
 }
-lean_ctor_set(x_121, 0, x_118);
-lean_ctor_set(x_121, 1, x_119);
-return x_121;
+lean_ctor_set(x_119, 0, x_116);
+lean_ctor_set(x_119, 1, x_117);
+return x_119;
 }
 }
 }
 case 4:
 {
-uint8_t x_122; 
-x_122 = !lean_is_exclusive(x_8);
-if (x_122 == 0)
+uint8_t x_120; 
+x_120 = !lean_is_exclusive(x_8);
+if (x_120 == 0)
 {
-lean_object* x_123; lean_object* x_124; lean_object* x_125; lean_object* x_126; 
-x_123 = lean_ctor_get(x_8, 3);
-lean_dec(x_123);
-x_124 = lean_ctor_get(x_26, 1);
-lean_inc(x_124);
+lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124; 
+x_121 = lean_ctor_get(x_8, 3);
+lean_dec(x_121);
+x_122 = lean_ctor_get(x_26, 1);
+lean_inc(x_122);
 lean_dec(x_26);
-x_125 = lean_ctor_get(x_36, 2);
-lean_inc(x_125);
+x_123 = lean_ctor_get(x_36, 1);
+lean_inc(x_123);
 lean_dec(x_36);
-x_126 = l_List_append___rarg(x_125, x_124);
-lean_ctor_set(x_8, 3, x_126);
+x_124 = l_List_append___rarg(x_123, x_122);
+lean_ctor_set(x_8, 3, x_124);
 x_11 = x_8;
 x_12 = x_5;
 goto block_25;
 }
 else
 {
-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; 
-x_127 = lean_ctor_get(x_8, 0);
-x_128 = lean_ctor_get(x_8, 1);
-x_129 = lean_ctor_get(x_8, 2);
-lean_inc(x_129);
-lean_inc(x_128);
+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; 
+x_125 = lean_ctor_get(x_8, 0);
+x_126 = lean_ctor_get(x_8, 1);
+x_127 = lean_ctor_get(x_8, 2);
 lean_inc(x_127);
+lean_inc(x_126);
+lean_inc(x_125);
 lean_dec(x_8);
-x_130 = lean_ctor_get(x_26, 1);
-lean_inc(x_130);
+x_128 = lean_ctor_get(x_26, 1);
+lean_inc(x_128);
 lean_dec(x_26);
-x_131 = lean_ctor_get(x_36, 2);
-lean_inc(x_131);
+x_129 = lean_ctor_get(x_36, 1);
+lean_inc(x_129);
 lean_dec(x_36);
-x_132 = l_List_append___rarg(x_131, x_130);
-x_133 = lean_alloc_ctor(0, 4, 0);
-lean_ctor_set(x_133, 0, x_127);
-lean_ctor_set(x_133, 1, x_128);
-lean_ctor_set(x_133, 2, x_129);
-lean_ctor_set(x_133, 3, x_132);
-x_11 = x_133;
+x_130 = l_List_append___rarg(x_129, x_128);
+x_131 = lean_alloc_ctor(0, 4, 0);
+lean_ctor_set(x_131, 0, x_125);
+lean_ctor_set(x_131, 1, x_126);
+lean_ctor_set(x_131, 2, x_127);
+lean_ctor_set(x_131, 3, x_130);
+x_11 = x_131;
 x_12 = x_5;
 goto block_25;
 }
 }
 default: 
 {
-lean_object* x_134; lean_object* x_135; lean_object* x_136; 
+lean_object* x_132; lean_object* x_133; lean_object* x_134; 
 lean_dec(x_36);
 lean_dec(x_26);
 lean_dec(x_8);
-x_134 = l_Lean_Meta_isClassQuick___main___closed__1;
-x_135 = l_unreachable_x21___rarg(x_134);
+x_132 = l_Lean_Meta_isClassQuick___main___closed__1;
+x_133 = l_unreachable_x21___rarg(x_132);
 lean_inc(x_4);
-x_136 = lean_apply_2(x_135, x_4, x_5);
-if (lean_obj_tag(x_136) == 0)
+x_134 = lean_apply_2(x_133, x_4, x_5);
+if (lean_obj_tag(x_134) == 0)
 {
-lean_object* x_137; lean_object* x_138; 
-x_137 = lean_ctor_get(x_136, 0);
-lean_inc(x_137);
-x_138 = lean_ctor_get(x_136, 1);
-lean_inc(x_138);
-lean_dec(x_136);
-x_11 = x_137;
-x_12 = x_138;
+lean_object* x_135; lean_object* x_136; 
+x_135 = lean_ctor_get(x_134, 0);
+lean_inc(x_135);
+x_136 = lean_ctor_get(x_134, 1);
+lean_inc(x_136);
+lean_dec(x_134);
+x_11 = x_135;
+x_12 = x_136;
 goto block_25;
 }
 else
 {
-uint8_t x_139; 
+uint8_t x_137; 
 lean_dec(x_10);
 lean_dec(x_9);
 lean_dec(x_4);
 lean_dec(x_2);
 lean_dec(x_1);
-x_139 = !lean_is_exclusive(x_136);
-if (x_139 == 0)
+x_137 = !lean_is_exclusive(x_134);
+if (x_137 == 0)
 {
-return x_136;
+return x_134;
 }
 else
 {
-lean_object* x_140; lean_object* x_141; lean_object* x_142; 
-x_140 = lean_ctor_get(x_136, 0);
-x_141 = lean_ctor_get(x_136, 1);
-lean_inc(x_141);
-lean_inc(x_140);
-lean_dec(x_136);
-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_138; lean_object* x_139; lean_object* x_140; 
+x_138 = lean_ctor_get(x_134, 0);
+x_139 = lean_ctor_get(x_134, 1);
+lean_inc(x_139);
+lean_inc(x_138);
+lean_dec(x_134);
+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;
 }
 }
 }
@@ -18138,7 +17953,7 @@ return x_142;
 block_25:
 {
 lean_object* x_13; 
-x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__11(x_1, x_2, x_9, x_4, x_12);
+x_13 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__11(x_1, x_2, x_9, x_4, x_12);
 if (lean_obj_tag(x_13) == 0)
 {
 uint8_t x_14; 
@@ -18206,7 +18021,7 @@ return x_24;
 }
 }
 }
-lean_object* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__12(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* l_Nat_foldMAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__12(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; uint8_t x_15; 
@@ -18235,9 +18050,9 @@ lean_inc(x_24);
 x_25 = lean_ctor_get(x_2, 3);
 lean_inc(x_25);
 x_26 = lean_box(0);
-x_27 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_32__processValue___spec__1(x_24, x_26);
+x_27 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_31__processValue___spec__1(x_24, x_26);
 lean_inc(x_12);
-x_28 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_27, x_12, x_13);
+x_28 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_27, x_12, x_13);
 if (lean_obj_tag(x_28) == 0)
 {
 lean_object* x_29; lean_object* x_30; lean_object* x_31; lean_object* x_32; lean_object* x_33; 
@@ -18348,21 +18163,21 @@ lean_inc(x_49);
 lean_dec(x_21);
 x_50 = l_Array_toList___rarg(x_48);
 lean_dec(x_48);
-x_51 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__1(x_50);
+x_51 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__1(x_50);
 lean_inc(x_5);
 x_52 = l_List_append___rarg(x_51, x_5);
-x_53 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__2(x_49, x_52);
+x_53 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__2(x_49, x_52);
 x_54 = lean_ctor_get(x_2, 2);
 lean_inc(x_54);
 x_55 = lean_ctor_get(x_2, 3);
 lean_inc(x_55);
-x_56 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__4(x_4, x_8, x_19, x_55);
-x_57 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__5(x_8, x_19, x_56);
+x_56 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__4(x_4, x_8, x_19, x_55);
+x_57 = l_List_map___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__5(x_8, x_19, x_56);
 lean_dec(x_19);
 x_58 = lean_box(0);
-x_59 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__6(x_46, x_54, x_58);
+x_59 = l_List_filterAux___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__6(x_46, x_54, x_58);
 lean_inc(x_12);
-x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__7(x_49, x_59, x_12, x_13);
+x_60 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__7(x_49, x_59, x_12, x_13);
 if (lean_obj_tag(x_60) == 0)
 {
 lean_object* x_61; lean_object* x_62; lean_object* x_63; 
@@ -18372,7 +18187,7 @@ x_62 = lean_ctor_get(x_60, 1);
 lean_inc(x_62);
 lean_dec(x_60);
 lean_inc(x_12);
-x_63 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor___spec__8(x_61, x_12, x_62);
+x_63 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor___spec__8(x_61, x_12, x_62);
 if (lean_obj_tag(x_63) == 0)
 {
 lean_object* x_64; lean_object* x_65; lean_object* x_66; 
@@ -18383,7 +18198,7 @@ lean_inc(x_65);
 lean_dec(x_63);
 lean_inc(x_12);
 lean_inc(x_4);
-x_66 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___spec__11(x_4, x_46, x_64, x_12, x_65);
+x_66 = l_List_mapM___main___at___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___spec__11(x_4, x_46, x_64, x_12, x_65);
 if (lean_obj_tag(x_66) == 0)
 {
 lean_object* x_67; lean_object* x_68; lean_object* x_69; lean_object* x_70; 
@@ -18565,7 +18380,7 @@ return x_90;
 }
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___closed__1() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -18573,27 +18388,27 @@ x_1 = lean_mk_string("array literal step");
 return x_1;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___closed__2() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___closed__1;
 x_2 = lean_alloc_ctor(2, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___closed__3() {
+lean_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit___closed__2;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit___closed__2;
 x_2 = lean_alloc_ctor(0, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4, lean_object* x_5) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit(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_object* x_7; lean_object* x_28; uint8_t x_29; 
@@ -18611,7 +18426,7 @@ goto block_27;
 else
 {
 lean_object* x_30; lean_object* x_31; lean_object* x_32; uint8_t x_33; 
-x_30 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__2;
+x_30 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__2;
 x_31 = l___private_Lean_Util_Trace_5__checkTraceOptionM___at_Lean_Meta_isLevelDefEqAux___main___spec__2(x_30, x_4, x_5);
 x_32 = lean_ctor_get(x_31, 0);
 lean_inc(x_32);
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 lean_inc(x_35);
 lean_dec(x_31);
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 lean_inc(x_38);
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 lean_inc(x_11);
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 lean_inc(x_12);
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 lean_dec(x_18);
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 lean_inc(x_21);
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 lean_dec(x_21);
 lean_dec(x_19);
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@@ -18723,59 +18538,59 @@ return x_26;
 }
 }
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 lean_dec(x_9);
 lean_dec(x_8);
 lean_dec(x_7);
@@ -18783,7 +18598,7 @@ lean_dec(x_6);
 return x_14;
 }
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 _start:
 {
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 lean_inc(x_10);
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 lean_inc(x_20);
 lean_dec(x_19);
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 if (x_27 == 0)
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-x_28 = l___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition(x_1);
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 if (x_29 == 0)
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@@ -19059,7 +18874,7 @@ lean_inc(x_31);
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 lean_inc(x_32);
 lean_dec(x_30);
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 lean_ctor_set(x_34, 0, x_33);
 lean_ctor_set(x_34, 1, x_31);
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 else
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 lean_dec(x_3);
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 lean_dec(x_19);
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 lean_dec(x_65);
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-x_70 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable(x_69, x_1, x_2, x_64, x_66);
+x_69 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_70 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable(x_69, x_1, x_2, x_64, x_66);
 return x_70;
 }
 else
 {
 uint8_t x_71; 
-x_71 = l___private_Lean_Meta_EqnCompiler_DepElim_14__isVariableTransition(x_1);
+x_71 = l___private_Lean_Meta_EqnCompiler_DepElim_13__isVariableTransition(x_1);
 if (x_71 == 0)
 {
 uint8_t x_72; 
-x_72 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isConstructorTransition(x_1);
+x_72 = l___private_Lean_Meta_EqnCompiler_DepElim_14__isConstructorTransition(x_1);
 if (x_72 == 0)
 {
 uint8_t x_73; 
-x_73 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isCompleteTransition(x_1);
+x_73 = l___private_Lean_Meta_EqnCompiler_DepElim_15__isCompleteTransition(x_1);
 if (x_73 == 0)
 {
 uint8_t x_74; 
-x_74 = l___private_Lean_Meta_EqnCompiler_DepElim_17__isValueTransition(x_1);
+x_74 = l___private_Lean_Meta_EqnCompiler_DepElim_16__isValueTransition(x_1);
 if (x_74 == 0)
 {
 uint8_t x_75; 
-x_75 = l___private_Lean_Meta_EqnCompiler_DepElim_18__isArrayLitTransition(x_1);
+x_75 = l___private_Lean_Meta_EqnCompiler_DepElim_17__isArrayLitTransition(x_1);
 if (x_75 == 0)
 {
 lean_object* x_76; 
@@ -19253,7 +19068,7 @@ lean_inc(x_77);
 x_78 = lean_ctor_get(x_76, 1);
 lean_inc(x_78);
 lean_dec(x_76);
-x_79 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__6;
+x_79 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__6;
 x_80 = lean_alloc_ctor(9, 2, 0);
 lean_ctor_set(x_80, 0, x_79);
 lean_ctor_set(x_80, 1, x_77);
@@ -19291,24 +19106,24 @@ return x_86;
 else
 {
 lean_object* x_87; lean_object* x_88; 
-x_87 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_88 = l___private_Lean_Meta_EqnCompiler_DepElim_34__processArrayLit(x_87, x_1, x_2, x_64, x_66);
+x_87 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_88 = l___private_Lean_Meta_EqnCompiler_DepElim_33__processArrayLit(x_87, x_1, x_2, x_64, x_66);
 return x_88;
 }
 }
 else
 {
 lean_object* x_89; lean_object* x_90; 
-x_89 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_90 = l___private_Lean_Meta_EqnCompiler_DepElim_32__processValue(x_89, x_1, x_2, x_64, x_66);
+x_89 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_90 = l___private_Lean_Meta_EqnCompiler_DepElim_31__processValue(x_89, x_1, x_2, x_64, x_66);
 return x_90;
 }
 }
 else
 {
 lean_object* x_91; lean_object* x_92; 
-x_91 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_92 = l___private_Lean_Meta_EqnCompiler_DepElim_29__processComplete(x_91, x_1, x_2, x_64, x_66);
+x_91 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_92 = l___private_Lean_Meta_EqnCompiler_DepElim_28__processComplete(x_91, x_1, x_2, x_64, x_66);
 lean_dec(x_64);
 return x_92;
 }
@@ -19316,16 +19131,16 @@ return x_92;
 else
 {
 lean_object* x_93; lean_object* x_94; 
-x_93 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_94 = l___private_Lean_Meta_EqnCompiler_DepElim_24__processConstructor(x_93, x_1, x_2, x_64, x_66);
+x_93 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_94 = l___private_Lean_Meta_EqnCompiler_DepElim_23__processConstructor(x_93, x_1, x_2, x_64, x_66);
 return x_94;
 }
 }
 else
 {
 lean_object* x_95; lean_object* x_96; 
-x_95 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_96 = l___private_Lean_Meta_EqnCompiler_DepElim_22__processVariable(x_95, x_1, x_2, x_64, x_66);
+x_95 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_96 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processVariable(x_95, x_1, x_2, x_64, x_66);
 return x_96;
 }
 }
@@ -19333,8 +19148,8 @@ return x_96;
 else
 {
 lean_object* x_97; lean_object* x_98; 
-x_97 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___closed__3;
-x_98 = l___private_Lean_Meta_EqnCompiler_DepElim_21__processAsPattern(x_97, x_1, x_2, x_64, x_66);
+x_97 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___closed__3;
+x_98 = l___private_Lean_Meta_EqnCompiler_DepElim_20__processAsPattern(x_97, x_1, x_2, x_64, x_66);
 return x_98;
 }
 }
@@ -19344,7 +19159,7 @@ lean_object* x_99; lean_object* x_100;
 x_99 = lean_ctor_get(x_65, 1);
 lean_inc(x_99);
 lean_dec(x_65);
-x_100 = l___private_Lean_Meta_EqnCompiler_DepElim_20__processLeaf(x_1, x_2, x_64, x_99);
+x_100 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processLeaf(x_1, x_2, x_64, x_99);
 lean_dec(x_64);
 return x_100;
 }
@@ -19380,212 +19195,32 @@ return x_104;
 }
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___lambda__1___boxed(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___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___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___lambda__1(x_1, x_2, x_3, x_4);
+x_5 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___lambda__1(x_1, x_2, x_3, x_4);
 lean_dec(x_3);
 lean_dec(x_2);
 return x_5;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___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* l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___lambda__2___boxed(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; 
 x_6 = lean_unbox(x_3);
 lean_dec(x_3);
-x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main___lambda__2(x_1, x_2, x_6, x_4, x_5);
+x_7 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main___lambda__2(x_1, x_2, x_6, x_4, x_5);
 lean_dec(x_4);
 return x_7;
 }
 }
-lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_35__process(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_34__process(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_Meta_EqnCompiler_DepElim_35__process___main(x_1, x_2, x_3, x_4);
-return x_5;
-}
-}
-lean_object* l_List_foldlM___main___at_Lean_Meta_DepElim_getUnusedLevelParam___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-if (lean_obj_tag(x_2) == 0)
-{
-lean_object* x_5; 
-lean_dec(x_3);
-x_5 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_5, 0, x_1);
-lean_ctor_set(x_5, 1, x_4);
-return x_5;
-}
-else
-{
-lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
-x_6 = lean_ctor_get(x_2, 0);
-lean_inc(x_6);
-x_7 = lean_ctor_get(x_2, 1);
-lean_inc(x_7);
-lean_dec(x_2);
-x_8 = l_Lean_Meta_instantiateMVars(x_6, x_3, x_4);
-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);
-lean_inc(x_3);
-lean_inc(x_9);
-x_11 = l_Lean_Meta_inferType(x_9, x_3, x_10);
-if (lean_obj_tag(x_11) == 0)
-{
-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 = 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_Lean_Meta_instantiateMVars(x_12, x_3, 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 = l_Lean_CollectLevelParams_main___main(x_9, x_1);
-x_18 = l_Lean_CollectLevelParams_main___main(x_15, x_17);
-x_1 = x_18;
-x_2 = x_7;
-x_4 = x_16;
-goto _start;
-}
-else
-{
-uint8_t x_20; 
-lean_dec(x_9);
-lean_dec(x_7);
-lean_dec(x_3);
-lean_dec(x_1);
-x_20 = !lean_is_exclusive(x_11);
-if (x_20 == 0)
-{
-return x_11;
-}
-else
-{
-lean_object* x_21; lean_object* x_22; lean_object* x_23; 
-x_21 = lean_ctor_get(x_11, 0);
-x_22 = lean_ctor_get(x_11, 1);
-lean_inc(x_22);
-lean_inc(x_21);
-lean_dec(x_11);
-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_object* _init_l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Std_HashSet_Inhabited___closed__1;
-x_2 = l_Array_empty___closed__1;
-x_3 = lean_alloc_ctor(0, 3, 0);
-lean_ctor_set(x_3, 0, x_1);
-lean_ctor_set(x_3, 1, x_1);
-lean_ctor_set(x_3, 2, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Meta_DepElim_getUnusedLevelParam___closed__2() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("v");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Meta_DepElim_getUnusedLevelParam___closed__3() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__2;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* l_Lean_Meta_DepElim_getUnusedLevelParam(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
-_start:
-{
-lean_object* x_5; lean_object* x_6; 
-x_5 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__1;
-x_6 = l_List_foldlM___main___at_Lean_Meta_DepElim_getUnusedLevelParam___spec__1(x_5, x_1, x_3, x_4);
-if (lean_obj_tag(x_6) == 0)
-{
-uint8_t x_7; 
-x_7 = !lean_is_exclusive(x_6);
-if (x_7 == 0)
-{
-lean_object* x_8; lean_object* x_9; lean_object* x_10; 
-x_8 = lean_ctor_get(x_6, 0);
-x_9 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__3;
-x_10 = l_Lean_CollectLevelParams_State_getUnusedLevelParam(x_8, x_9);
-lean_dec(x_8);
-lean_ctor_set(x_6, 0, x_10);
-return x_6;
-}
-else
-{
-lean_object* x_11; lean_object* x_12; lean_object* x_13; lean_object* x_14; lean_object* x_15; 
-x_11 = lean_ctor_get(x_6, 0);
-x_12 = lean_ctor_get(x_6, 1);
-lean_inc(x_12);
-lean_inc(x_11);
-lean_dec(x_6);
-x_13 = l_Lean_Meta_DepElim_getUnusedLevelParam___closed__3;
-x_14 = l_Lean_CollectLevelParams_State_getUnusedLevelParam(x_11, x_13);
-lean_dec(x_11);
-x_15 = lean_alloc_ctor(0, 2, 0);
-lean_ctor_set(x_15, 0, x_14);
-lean_ctor_set(x_15, 1, x_12);
-return x_15;
-}
-}
-else
-{
-uint8_t x_16; 
-x_16 = !lean_is_exclusive(x_6);
-if (x_16 == 0)
-{
-return x_6;
-}
-else
-{
-lean_object* x_17; lean_object* x_18; lean_object* x_19; 
-x_17 = lean_ctor_get(x_6, 0);
-x_18 = lean_ctor_get(x_6, 1);
-lean_inc(x_18);
-lean_inc(x_17);
-lean_dec(x_6);
-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* l_Lean_Meta_DepElim_getUnusedLevelParam___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_Meta_DepElim_getUnusedLevelParam(x_1, x_2, x_3, x_4);
-lean_dec(x_2);
+x_5 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main(x_1, x_2, x_3, x_4);
 return x_5;
 }
 }
@@ -19840,7 +19475,7 @@ lean_ctor_set(x_19, 3, x_17);
 x_20 = lean_box(0);
 x_21 = l_Lean_Meta_DepElim_mkElim___lambda__1___closed__3;
 lean_inc(x_9);
-x_22 = l___private_Lean_Meta_EqnCompiler_DepElim_35__process___main(x_19, x_21, x_9, x_15);
+x_22 = l___private_Lean_Meta_EqnCompiler_DepElim_34__process___main(x_19, x_21, x_9, x_15);
 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; 
@@ -20328,7 +19963,7 @@ lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; lean_o
 x_8 = lean_unsigned_to_nat(0u);
 lean_inc(x_1);
 x_9 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_4, x_4, x_8, x_1);
-x_10 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAltsAux___main___rarg___closed__4;
+x_10 = l___private_Lean_Meta_EqnCompiler_DepElim_8__withAltsAux___main___rarg___closed__4;
 lean_inc(x_3);
 lean_inc(x_1);
 lean_inc(x_4);
@@ -20356,7 +19991,7 @@ if (x_15 == 0)
 {
 lean_object* x_16; 
 lean_dec(x_9);
-x_16 = l___private_Lean_Meta_EqnCompiler_DepElim_10__withAlts___rarg(x_1, x_3, x_11, x_6, x_13);
+x_16 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAlts___rarg(x_1, x_3, x_11, x_6, x_13);
 return x_16;
 }
 else
@@ -20374,7 +20009,7 @@ lean_dec(x_9);
 x_20 = lean_ctor_get(x_17, 1);
 lean_inc(x_20);
 lean_dec(x_17);
-x_21 = l___private_Lean_Meta_EqnCompiler_DepElim_10__withAlts___rarg(x_1, x_3, x_11, x_6, x_20);
+x_21 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAlts___rarg(x_1, x_3, x_11, x_6, x_20);
 return x_21;
 }
 else
@@ -20393,7 +20028,7 @@ x_26 = l_Lean_MonadTracerAdapter_addTrace___at_Lean_Meta_isLevelDefEqAux___main_
 x_27 = lean_ctor_get(x_26, 1);
 lean_inc(x_27);
 lean_dec(x_26);
-x_28 = l___private_Lean_Meta_EqnCompiler_DepElim_10__withAlts___rarg(x_1, x_3, x_11, x_6, x_27);
+x_28 = l___private_Lean_Meta_EqnCompiler_DepElim_9__withAlts___rarg(x_1, x_3, x_11, x_6, x_27);
 return x_28;
 }
 }
@@ -20514,13 +20149,193 @@ lean_dec(x_5);
 return x_8;
 }
 }
+lean_object* l_List_foldlM___main___at___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___spec__1(lean_object* x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
+_start:
+{
+if (lean_obj_tag(x_2) == 0)
+{
+lean_object* x_5; 
+lean_dec(x_3);
+x_5 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_5, 0, x_1);
+lean_ctor_set(x_5, 1, x_4);
+return x_5;
+}
+else
+{
+lean_object* x_6; lean_object* x_7; lean_object* x_8; lean_object* x_9; lean_object* x_10; lean_object* x_11; 
+x_6 = lean_ctor_get(x_2, 0);
+lean_inc(x_6);
+x_7 = lean_ctor_get(x_2, 1);
+lean_inc(x_7);
+lean_dec(x_2);
+x_8 = l_Lean_Meta_instantiateMVars(x_6, x_3, x_4);
+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);
+lean_inc(x_3);
+lean_inc(x_9);
+x_11 = l_Lean_Meta_inferType(x_9, x_3, x_10);
+if (lean_obj_tag(x_11) == 0)
+{
+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 = 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_Lean_Meta_instantiateMVars(x_12, x_3, 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 = l_Lean_CollectLevelParams_main___main(x_9, x_1);
+x_18 = l_Lean_CollectLevelParams_main___main(x_15, x_17);
+x_1 = x_18;
+x_2 = x_7;
+x_4 = x_16;
+goto _start;
+}
+else
+{
+uint8_t x_20; 
+lean_dec(x_9);
+lean_dec(x_7);
+lean_dec(x_3);
+lean_dec(x_1);
+x_20 = !lean_is_exclusive(x_11);
+if (x_20 == 0)
+{
+return x_11;
+}
+else
+{
+lean_object* x_21; lean_object* x_22; lean_object* x_23; 
+x_21 = lean_ctor_get(x_11, 0);
+x_22 = lean_ctor_get(x_11, 1);
+lean_inc(x_22);
+lean_inc(x_21);
+lean_dec(x_11);
+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_object* _init_l___private_Lean_Meta_EqnCompiler_DepElim_35__getUnusedLevelParam___closed__1() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Std_HashSet_Inhabited___closed__1;
+x_2 = l_Array_empty___closed__1;
+x_3 = lean_alloc_ctor(0, 3, 0);
+lean_ctor_set(x_3, 0, x_1);
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 l_Lean_Meta_DepElim_mkElim___lambda__1___closed__2 = _init_l_Lean_Meta_DepElim_mkElim___lambda__1___closed__2();
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diff --git a/stage0/stdlib/Lean/Meta/Offset.c b/stage0/stdlib/Lean/Meta/Offset.c
index af3c16022e..78b1e92860 100644
--- a/stage0/stdlib/Lean/Meta/Offset.c
+++ b/stage0/stdlib/Lean/Meta/Offset.c
@@ -35,6 +35,7 @@ lean_object* l___private_Lean_Meta_Offset_4__isNatZero___boxed(lean_object*);
 lean_object* lean_name_mk_string(lean_object*, lean_object*);
 extern lean_object* l_Lean_Literal_type___closed__1;
 lean_object* l___private_Lean_Meta_Offset_1__getOffsetAux___main(lean_object*, uint8_t);
+extern lean_object* l_Lean_Expr_isCharLit___closed__3;
 lean_object* l___private_Lean_Meta_Offset_1__getOffsetAux___main___boxed(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_evalNat___main___closed__6;
 extern lean_object* l_Lean_Literal_type___closed__2;
@@ -52,7 +53,6 @@ lean_object* lean_nat_mul(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_evalNat___main___closed__7;
 lean_object* l___private_Lean_Meta_Offset_2__getOffset(lean_object*);
 lean_object* l_Lean_Meta_evalNat___main___closed__15;
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 lean_object* l_Lean_Meta_evalNat___main___closed__3;
 lean_object* l_Lean_Meta_evalNat___main___closed__5;
 lean_object* l_Lean_Meta_evalNat___main___closed__14;
@@ -129,22 +129,14 @@ return x_3;
 lean_object* _init_l_Lean_Meta_evalNat___main___closed__8() {
 _start:
 {
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-x_1 = lean_mk_string("ofNat");
-return x_1;
-}
-}
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-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_evalNat___main___closed__7;
-x_2 = l_Lean_Meta_evalNat___main___closed__8;
+x_2 = l_Lean_Expr_isCharLit___closed__3;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
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+lean_object* _init_l_Lean_Meta_evalNat___main___closed__9() {
 _start:
 {
 lean_object* x_1; 
@@ -152,17 +144,17 @@ x_1 = lean_mk_string("sub");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__11() {
+lean_object* _init_l_Lean_Meta_evalNat___main___closed__10() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_evalNat___main___closed__3;
-x_2 = l_Lean_Meta_evalNat___main___closed__10;
+x_2 = l_Lean_Meta_evalNat___main___closed__9;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__12() {
+lean_object* _init_l_Lean_Meta_evalNat___main___closed__11() {
 _start:
 {
 lean_object* x_1; 
@@ -170,17 +162,17 @@ x_1 = lean_mk_string("add");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__13() {
+lean_object* _init_l_Lean_Meta_evalNat___main___closed__12() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Meta_evalNat___main___closed__3;
-x_2 = l_Lean_Meta_evalNat___main___closed__12;
+x_2 = l_Lean_Meta_evalNat___main___closed__11;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__14() {
+lean_object* _init_l_Lean_Meta_evalNat___main___closed__13() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -190,12 +182,22 @@ x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
+lean_object* _init_l_Lean_Meta_evalNat___main___closed__14() {
+_start:
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+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_Literal_type___closed__2;
+x_2 = l_Lean_Meta_evalNat___main___closed__9;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Meta_evalNat___main___closed__15() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_Literal_type___closed__2;
-x_2 = l_Lean_Meta_evalNat___main___closed__10;
+x_2 = l_Lean_Meta_evalNat___main___closed__11;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -203,27 +205,17 @@ return x_3;
 lean_object* _init_l_Lean_Meta_evalNat___main___closed__16() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Literal_type___closed__2;
-x_2 = l_Lean_Meta_evalNat___main___closed__12;
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-}
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__17() {
-_start:
-{
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 x_1 = lean_mk_string("succ");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Meta_evalNat___main___closed__18() {
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 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
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-x_2 = l_Lean_Meta_evalNat___main___closed__17;
+x_2 = l_Lean_Meta_evalNat___main___closed__16;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -328,7 +320,7 @@ lean_inc(x_19);
 lean_dec(x_18);
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 x_21 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_20);
-x_206 = l_Lean_Meta_evalNat___main___closed__18;
+x_206 = l_Lean_Meta_evalNat___main___closed__17;
 x_207 = lean_name_eq(x_19, x_206);
 if (x_207 == 0)
 {
@@ -396,7 +388,7 @@ block_127:
 {
 lean_object* x_23; lean_object* x_73; lean_object* x_101; uint8_t x_102; 
 lean_dec(x_22);
-x_101 = l_Lean_Meta_evalNat___main___closed__13;
+x_101 = l_Lean_Meta_evalNat___main___closed__12;
 x_102 = lean_name_eq(x_19, x_101);
 if (x_102 == 0)
 {
@@ -497,7 +489,7 @@ x_25 = lean_name_eq(x_19, x_24);
 if (x_25 == 0)
 {
 lean_object* x_26; uint8_t x_27; 
-x_26 = l_Lean_Meta_evalNat___main___closed__9;
+x_26 = l_Lean_Meta_evalNat___main___closed__8;
 x_27 = lean_name_eq(x_19, x_26);
 lean_dec(x_19);
 if (x_27 == 0)
@@ -545,7 +537,7 @@ x_39 = lean_nat_dec_eq(x_21, x_38);
 if (x_39 == 0)
 {
 lean_object* x_40; uint8_t x_41; 
-x_40 = l_Lean_Meta_evalNat___main___closed__9;
+x_40 = l_Lean_Meta_evalNat___main___closed__8;
 x_41 = lean_name_eq(x_19, x_40);
 lean_dec(x_19);
 if (x_41 == 0)
@@ -661,7 +653,7 @@ block_100:
 {
 lean_object* x_74; uint8_t x_75; 
 lean_dec(x_73);
-x_74 = l_Lean_Meta_evalNat___main___closed__11;
+x_74 = l_Lean_Meta_evalNat___main___closed__10;
 x_75 = lean_name_eq(x_19, x_74);
 if (x_75 == 0)
 {
@@ -759,7 +751,7 @@ block_153:
 {
 lean_object* x_129; uint8_t x_130; 
 lean_dec(x_128);
-x_129 = l_Lean_Meta_evalNat___main___closed__14;
+x_129 = l_Lean_Meta_evalNat___main___closed__13;
 x_130 = lean_name_eq(x_19, x_129);
 if (x_130 == 0)
 {
@@ -854,7 +846,7 @@ block_179:
 {
 lean_object* x_155; uint8_t x_156; 
 lean_dec(x_154);
-x_155 = l_Lean_Meta_evalNat___main___closed__15;
+x_155 = l_Lean_Meta_evalNat___main___closed__14;
 x_156 = lean_name_eq(x_19, x_155);
 if (x_156 == 0)
 {
@@ -949,7 +941,7 @@ block_205:
 {
 lean_object* x_181; uint8_t x_182; 
 lean_dec(x_180);
-x_181 = l_Lean_Meta_evalNat___main___closed__16;
+x_181 = l_Lean_Meta_evalNat___main___closed__15;
 x_182 = lean_name_eq(x_19, x_181);
 if (x_182 == 0)
 {
@@ -1120,7 +1112,7 @@ lean_inc(x_11);
 lean_dec(x_10);
 x_12 = lean_unsigned_to_nat(0u);
 x_13 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_12);
-x_90 = l_Lean_Meta_evalNat___main___closed__18;
+x_90 = l_Lean_Meta_evalNat___main___closed__17;
 x_91 = lean_name_eq(x_11, x_90);
 if (x_91 == 0)
 {
@@ -1230,7 +1222,7 @@ block_52:
 {
 lean_object* x_15; uint8_t x_16; 
 lean_dec(x_14);
-x_15 = l_Lean_Meta_evalNat___main___closed__13;
+x_15 = l_Lean_Meta_evalNat___main___closed__12;
 x_16 = lean_name_eq(x_11, x_15);
 lean_dec(x_11);
 if (x_16 == 0)
@@ -1372,7 +1364,7 @@ block_89:
 {
 lean_object* x_54; uint8_t x_55; 
 lean_dec(x_53);
-x_54 = l_Lean_Meta_evalNat___main___closed__16;
+x_54 = l_Lean_Meta_evalNat___main___closed__15;
 x_55 = lean_name_eq(x_11, x_54);
 if (x_55 == 0)
 {
@@ -1600,12 +1592,12 @@ lean_inc(x_3);
 lean_dec(x_2);
 x_4 = lean_unsigned_to_nat(0u);
 x_5 = l_Lean_Expr_getAppNumArgsAux___main(x_1, x_4);
-x_18 = l_Lean_Meta_evalNat___main___closed__18;
+x_18 = l_Lean_Meta_evalNat___main___closed__17;
 x_19 = lean_name_eq(x_3, x_18);
 if (x_19 == 0)
 {
 lean_object* x_20; uint8_t x_21; 
-x_20 = l_Lean_Meta_evalNat___main___closed__16;
+x_20 = l_Lean_Meta_evalNat___main___closed__15;
 x_21 = lean_name_eq(x_3, x_20);
 if (x_21 == 0)
 {
@@ -1643,7 +1635,7 @@ x_28 = lean_nat_dec_eq(x_5, x_27);
 if (x_28 == 0)
 {
 lean_object* x_29; uint8_t x_30; 
-x_29 = l_Lean_Meta_evalNat___main___closed__16;
+x_29 = l_Lean_Meta_evalNat___main___closed__15;
 x_30 = lean_name_eq(x_3, x_29);
 if (x_30 == 0)
 {
@@ -1684,7 +1676,7 @@ return x_36;
 block_17:
 {
 lean_object* x_7; uint8_t x_8; 
-x_7 = l_Lean_Meta_evalNat___main___closed__13;
+x_7 = l_Lean_Meta_evalNat___main___closed__12;
 x_8 = lean_name_eq(x_3, x_7);
 lean_dec(x_3);
 if (x_8 == 0)
@@ -1784,7 +1776,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Meta_evalNat___main___closed__16;
+x_2 = l_Lean_Meta_evalNat___main___closed__15;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
@@ -2361,8 +2353,6 @@ l_Lean_Meta_evalNat___main___closed__16 = _init_l_Lean_Meta_evalNat___main___clo
 lean_mark_persistent(l_Lean_Meta_evalNat___main___closed__16);
 l_Lean_Meta_evalNat___main___closed__17 = _init_l_Lean_Meta_evalNat___main___closed__17();
 lean_mark_persistent(l_Lean_Meta_evalNat___main___closed__17);
-l_Lean_Meta_evalNat___main___closed__18 = _init_l_Lean_Meta_evalNat___main___closed__18();
-lean_mark_persistent(l_Lean_Meta_evalNat___main___closed__18);
 l___private_Lean_Meta_Offset_5__mkOffset___closed__1 = _init_l___private_Lean_Meta_Offset_5__mkOffset___closed__1();
 lean_mark_persistent(l___private_Lean_Meta_Offset_5__mkOffset___closed__1);
 return lean_mk_io_result(lean_box(0));
diff --git a/stage0/stdlib/Lean/Meta/Tactic/Intro.c b/stage0/stdlib/Lean/Meta/Tactic/Intro.c
index 7edf6ec8d5..47ae590016 100644
--- a/stage0/stdlib/Lean/Meta/Tactic/Intro.c
+++ b/stage0/stdlib/Lean/Meta/Tactic/Intro.c
@@ -13,10 +13,10 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-extern lean_object* l_Lean_mkHole___closed__3;
 lean_object* l_Lean_Expr_mvarId_x21(lean_object*);
 lean_object* lean_local_ctx_get_unused_name(lean_object*, lean_object*);
 lean_object* l_Lean_Meta_isClassExpensive___main(lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_mkThunk___closed__1;
 lean_object* l_Lean_Meta_introN(lean_object*, lean_object*, lean_object*, uint8_t, lean_object*, lean_object*);
 lean_object* l_Lean_Meta_withNewLocalInstances___main___at_Lean_Meta_introN___spec__4(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*);
 extern lean_object* l_EIO_Monad___closed__1;
@@ -69,7 +69,6 @@ lean_object* l_Lean_mkFVar(lean_object*);
 uint8_t l_Lean_Expr_Data_binderInfo(uint64_t);
 lean_object* l_Lean_Meta_introNCoreAux___main___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_Meta_intro___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
-lean_object* l_Lean_Meta_mkAuxName___closed__1;
 lean_object* l_Lean_LocalDecl_type(lean_object*);
 lean_object* lean_local_ctx_mk_local_decl(lean_object*, lean_object*, lean_object*, lean_object*, uint8_t);
 lean_object* l_Array_umapMAux___main___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -836,16 +835,6 @@ lean_dec(x_5);
 return x_7;
 }
 }
-lean_object* _init_l_Lean_Meta_mkAuxName___closed__1() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_mkHole___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
 lean_object* l_Lean_Meta_mkAuxName(uint8_t x_1, lean_object* x_2, lean_object* x_3, lean_object* x_4) {
 _start:
 {
@@ -878,7 +867,7 @@ lean_inc(x_8);
 x_9 = lean_ctor_get(x_4, 1);
 lean_inc(x_9);
 lean_dec(x_4);
-x_10 = l_Lean_Meta_mkAuxName___closed__1;
+x_10 = l_Lean_mkThunk___closed__1;
 x_11 = lean_name_eq(x_8, x_10);
 if (x_11 == 0)
 {
@@ -5804,8 +5793,6 @@ l_Lean_Meta_introNCoreAux___main___rarg___closed__1 = _init_l_Lean_Meta_introNCo
 lean_mark_persistent(l_Lean_Meta_introNCoreAux___main___rarg___closed__1);
 l_Lean_Meta_introNCore___rarg___lambda__2___closed__1 = _init_l_Lean_Meta_introNCore___rarg___lambda__2___closed__1();
 lean_mark_persistent(l_Lean_Meta_introNCore___rarg___lambda__2___closed__1);
-l_Lean_Meta_mkAuxName___closed__1 = _init_l_Lean_Meta_mkAuxName___closed__1();
-lean_mark_persistent(l_Lean_Meta_mkAuxName___closed__1);
 return lean_mk_io_result(lean_box(0));
 }
 #ifdef __cplusplus
diff --git a/stage0/stdlib/Lean/Parser/Extension.c b/stage0/stdlib/Lean/Parser/Extension.c
index 567f789f41..ccf3db3f34 100644
--- a/stage0/stdlib/Lean/Parser/Extension.c
+++ b/stage0/stdlib/Lean/Parser/Extension.c
@@ -72,7 +72,6 @@ lean_object* l___private_Lean_Parser_Extension_2__throwParserCategoryAlreadyDefi
 lean_object* l_Lean_Parser_mkParserState(lean_object*);
 lean_object* l_Lean_Parser_mkParserExtension___lambda__2(lean_object*);
 lean_object* lean_io_ref_get(lean_object*, lean_object*);
-lean_object* l_Lean_Parser_declareBuiltinParser___closed__5;
 lean_object* l_List_map___main___at_Lean_Parser_addLeadingParser___spec__4(lean_object*);
 lean_object* l___private_Lean_Parser_Extension_13__registerParserAttributeImplBuilder___closed__1;
 lean_object* l_Lean_Parser_declareBuiltinParser___closed__3;
@@ -105,7 +104,6 @@ lean_object* l_Lean_Parser_declareBuiltinParser___closed__2;
 extern lean_object* l_Lean_mkAppStx___closed__4;
 lean_object* l___private_Lean_Parser_Extension_11__BuiltinParserAttribute_add___closed__1;
 lean_object* l_Lean_Parser_parserExtension___closed__1;
-lean_object* l_Lean_Parser_declareBuiltinParser___closed__4;
 extern lean_object* l_Lean_nameLitKind;
 extern lean_object* l_Lean_LocalContext_Inhabited___closed__1;
 lean_object* l_Array_anyRangeMAux___main___at_Lean_Parser_mkParserExtension___spec__2___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
@@ -157,6 +155,7 @@ extern lean_object* l_Lean_PrettyPrinter_Parenthesizer_mkParenthesizerOfConstant
 lean_object* l_Lean_Parser_declareBuiltinParser(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_noFirstTokenInfo(lean_object*);
 lean_object* l_Std_PersistentHashMap_insertAux___main___at___private_Lean_Parser_Extension_3__addParserCategoryCore___spec__4___boxed(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
+extern lean_object* l_Lean_KeyedDeclsAttribute_declareBuiltin___rarg___closed__6;
 lean_object* l_Lean_Parser_mkParserOfConstantUnsafe___closed__1;
 extern lean_object* l_Std_PersistentHashMap_insertAux___main___rarg___closed__3;
 extern lean_object* l_Lean_strLitKind;
@@ -167,7 +166,6 @@ lean_object* l_Lean_Parser_mkParserOfConstantUnsafe(lean_object*, lean_object*,
 lean_object* l_Lean_registerAttributeOfBuilder(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Name_append___main(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_regTermParserAttribute___closed__1;
-extern lean_object* l_Lean_KeyedDeclsAttribute_declareBuiltin___rarg___closed__4;
 lean_object* l_Lean_Parser_mkParserExtension___closed__8;
 lean_object* l_Lean_Parser_whitespace___main(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_parserExtension___closed__4;
@@ -187,7 +185,6 @@ lean_object* l_Lean_Parser_mkParserExtension___lambda__2___boxed(lean_object*);
 lean_object* l_Lean_Parser_mkParserOfConstantUnsafe___closed__4;
 size_t l_Lean_Name_hash(lean_object*);
 lean_object* l_Lean_Parser_addToken(lean_object*, lean_object*);
-extern lean_object* l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
 lean_object* l_Nat_repr(lean_object*);
 extern lean_object* l_Char_HasRepr___closed__1;
 lean_object* l_Lean_Parser_mkBuiltinSyntaxNodeKindSetRef(lean_object*);
@@ -238,7 +235,6 @@ lean_object* l_Lean_Parser_sepByFn___boxed(lean_object*, lean_object*, lean_obje
 lean_object* l_Lean_Parser_mkBuiltinTokenTable(lean_object*);
 lean_object* l_Lean_Parser_addTrailingParser(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_ConstantInfo_type(lean_object*);
-lean_object* l_Lean_Parser_declareBuiltinParser___closed__6;
 lean_object* l_Lean_Parser_trailingNodeFn(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_addBuiltinLeadingParser(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_mkParserExtension___closed__7;
@@ -276,7 +272,6 @@ lean_object* l_Lean_Parser_tryFn(lean_object*, lean_object*, lean_object*);
 uint8_t l_Lean_Parser_isParserCategory(lean_object*, lean_object*);
 uint8_t l_USize_decLe(size_t, size_t);
 extern lean_object* l_Lean_registerTagAttribute___lambda__4___closed__5;
-lean_object* l_Lean_mkApp(lean_object*, lean_object*);
 lean_object* l_Std_PersistentHashMap_containsAtAux___main___at_Lean_Parser_isValidSyntaxNodeKind___spec__3___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_categoryParser(lean_object*, lean_object*);
 lean_object* l_Lean_Environment_addAndCompile(lean_object*, lean_object*, lean_object*);
@@ -7918,36 +7913,6 @@ return x_3;
 lean_object* _init_l_Lean_Parser_declareBuiltinParser___closed__3() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l___private_Lean_Compiler_InitAttr_2__isUnitType___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Parser_declareBuiltinParser___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_Parser_declareBuiltinParser___closed__3;
-x_3 = l_Lean_mkConst(x_2, x_1);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Parser_declareBuiltinParser___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_KeyedDeclsAttribute_declareBuiltin___rarg___closed__4;
-x_2 = l_Lean_Parser_declareBuiltinParser___closed__4;
-x_3 = l_Lean_mkApp(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Parser_declareBuiltinParser___closed__6() {
-_start:
-{
 lean_object* x_1; 
 x_1 = lean_mk_string("failed to emit registration code for builtin parser '");
 return x_1;
@@ -7974,7 +7939,7 @@ x_16 = lean_array_push(x_15, x_12);
 x_17 = lean_unsigned_to_nat(0u);
 x_18 = l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(x_16, x_16, x_17, x_9);
 lean_dec(x_16);
-x_19 = l_Lean_Parser_declareBuiltinParser___closed__5;
+x_19 = l_Lean_KeyedDeclsAttribute_declareBuiltin___rarg___closed__6;
 lean_inc(x_7);
 x_20 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_20, 0, x_7);
@@ -7999,7 +7964,7 @@ lean_dec(x_26);
 lean_dec(x_7);
 x_27 = l_Lean_Name_toString___closed__1;
 x_28 = l_Lean_Name_toStringWithSep___main(x_27, x_4);
-x_29 = l_Lean_Parser_declareBuiltinParser___closed__6;
+x_29 = l_Lean_Parser_declareBuiltinParser___closed__3;
 x_30 = lean_string_append(x_29, x_28);
 lean_dec(x_28);
 x_31 = l_Char_HasRepr___closed__1;
@@ -9368,12 +9333,6 @@ l_Lean_Parser_declareBuiltinParser___closed__2 = _init_l_Lean_Parser_declareBuil
 lean_mark_persistent(l_Lean_Parser_declareBuiltinParser___closed__2);
 l_Lean_Parser_declareBuiltinParser___closed__3 = _init_l_Lean_Parser_declareBuiltinParser___closed__3();
 lean_mark_persistent(l_Lean_Parser_declareBuiltinParser___closed__3);
-l_Lean_Parser_declareBuiltinParser___closed__4 = _init_l_Lean_Parser_declareBuiltinParser___closed__4();
-lean_mark_persistent(l_Lean_Parser_declareBuiltinParser___closed__4);
-l_Lean_Parser_declareBuiltinParser___closed__5 = _init_l_Lean_Parser_declareBuiltinParser___closed__5();
-lean_mark_persistent(l_Lean_Parser_declareBuiltinParser___closed__5);
-l_Lean_Parser_declareBuiltinParser___closed__6 = _init_l_Lean_Parser_declareBuiltinParser___closed__6();
-lean_mark_persistent(l_Lean_Parser_declareBuiltinParser___closed__6);
 l_Lean_Parser_declareLeadingBuiltinParser___closed__1 = _init_l_Lean_Parser_declareLeadingBuiltinParser___closed__1();
 lean_mark_persistent(l_Lean_Parser_declareLeadingBuiltinParser___closed__1);
 l_Lean_Parser_declareLeadingBuiltinParser___closed__2 = _init_l_Lean_Parser_declareLeadingBuiltinParser___closed__2();
diff --git a/stage0/stdlib/Lean/Parser/Tactic.c b/stage0/stdlib/Lean/Parser/Tactic.c
index 82c9eac765..dc66f54299 100644
--- a/stage0/stdlib/Lean/Parser/Tactic.c
+++ b/stage0/stdlib/Lean/Parser/Tactic.c
@@ -65,6 +65,7 @@ lean_object* l_Lean_Parser_Tactic_inductionAlts_parenthesizer___lambda__1___clos
 lean_object* l_Lean_Parser_Tactic_traceState_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_intros___elambda__1___closed__5;
 extern lean_object* l_Lean_nullKind;
+extern lean_object* l_Lean_mkThunk___closed__1;
 lean_object* l_Lean_Parser_Tactic_nestedTacticBlockCurly___closed__2;
 lean_object* l_Lean_Parser_Tactic_intros___elambda__1___closed__3;
 lean_object* l_Lean_Parser_Tactic_orelse___closed__1;
@@ -527,7 +528,6 @@ lean_object* l_Lean_Parser_manyAux___main___at_Lean_Parser_Tactic_intros___elamb
 lean_object* l_Lean_Parser_Tactic_failIfSuccess___elambda__1___closed__6;
 lean_object* l_Lean_Parser_Tactic_injection___elambda__1___closed__4;
 lean_object* l_Lean_Parser_Tactic_intros___closed__4;
-extern lean_object* l_Lean_Meta_mkAuxName___closed__1;
 lean_object* l_Lean_Parser_Tactic_cases___elambda__1___closed__5;
 lean_object* l_Lean_Parser_sepBy1Info(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Tactic_withAlts_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -909,7 +909,7 @@ lean_inc(x_7);
 x_8 = l_Array_back___at_Lean_Syntax_Traverser_up___spec__2(x_7);
 lean_dec(x_7);
 x_9 = l_Lean_Parser_ParserState_popSyntax(x_6);
-x_10 = l_Lean_Meta_mkAuxName___closed__1;
+x_10 = l_Lean_mkThunk___closed__1;
 x_11 = l_Lean_mkIdentFrom(x_8, x_10);
 lean_dec(x_8);
 x_12 = l_Lean_Parser_ParserState_pushSyntax(x_9, x_11);
diff --git a/stage0/stdlib/Lean/Parser/Term.c b/stage0/stdlib/Lean/Parser/Term.c
index d953502474..7be1430927 100644
--- a/stage0/stdlib/Lean/Parser/Term.c
+++ b/stage0/stdlib/Lean/Parser/Term.c
@@ -425,7 +425,6 @@ lean_object* l_Lean_Parser_Term_doPat___elambda__1___closed__1;
 lean_object* l_Lean_Parser_Term_anonymousCtor___closed__8;
 lean_object* l_Lean_Parser_Term_dollarProj___elambda__1(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_doPat;
-lean_object* l_Lean_Parser_Term_proj___elambda__1___closed__4;
 lean_object* l_Lean_Parser_Term_sort___elambda__1(lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_tacticParser_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_heq___elambda__1___closed__5;
@@ -506,6 +505,7 @@ lean_object* l_Lean_Parser_Term_forall_parenthesizer___closed__4;
 lean_object* l_Lean_Parser_Term_matchAlts___closed__6;
 lean_object* l_Lean_Parser_Term_liftMethod___elambda__1(lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_fun_parenthesizer___closed__8;
+extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 lean_object* l_Lean_Parser_Term_namedArgument___elambda__1___closed__1;
 lean_object* l_Lean_Parser_Term_nativeDecide_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_namedArgument___closed__3;
@@ -541,7 +541,6 @@ lean_object* l_Lean_Parser_Term_bnot___closed__3;
 lean_object* l_Lean_Parser_Term_arrayRef___closed__4;
 lean_object* l_Lean_Parser_Term_parser_x21___closed__3;
 lean_object* l_Lean_Parser_Term_parser_x21___elambda__1___closed__2;
-extern lean_object* l_Lean_Meta_evalNat___main___closed__10;
 lean_object* l_Lean_Parser_Term_not___elambda__1___closed__3;
 lean_object* l_Lean_Parser_Term_cdot___closed__4;
 lean_object* l_Lean_Parser_Term_type_parenthesizer___closed__7;
@@ -563,12 +562,12 @@ lean_object* l___regBuiltin_Lean_Parser_Term_nomatch_parenthesizer(lean_object*)
 lean_object* l_Lean_Parser_Term_listLit___closed__2;
 lean_object* l_Lean_Parser_Term_andthen_parenthesizer___closed__4;
 lean_object* l_Lean_Parser_Term_band___elambda__1(lean_object*, lean_object*);
-extern lean_object* l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
 lean_object* l_Lean_Parser_ParserState_mkTrailingNode(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_seqRight___elambda__1___closed__2;
 lean_object* l_Lean_Parser_Term_eq_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_structInstLVal_parenthesizer___closed__3;
 lean_object* l_Lean_Parser_Term_prop___elambda__1___closed__6;
+extern lean_object* l_Lean_Expr_ctorName___closed__4;
 lean_object* l___regBuiltinParser_Lean_Parser_Term_let_x21(lean_object*);
 lean_object* l_Lean_Parser_Term_let___elambda__1___closed__7;
 lean_object* l_Lean_Parser_Term_suffices_parenthesizer___closed__2;
@@ -2237,6 +2236,7 @@ lean_object* l_Lean_Parser_Term_borrowed___closed__3;
 lean_object* l_Lean_Parser_Term_match___elambda__1___closed__9;
 lean_object* l___regBuiltin_Lean_Parser_Term_equiv_parenthesizer(lean_object*);
 lean_object* l_Lean_Parser_Term_anonymousCtor___elambda__1___closed__7;
+extern lean_object* l_Lean_Meta_evalNat___main___closed__9;
 lean_object* l_Lean_Parser_Term_depArrow___closed__6;
 lean_object* l_Lean_Parser_Term_doPat_parenthesizer___closed__4;
 lean_object* l_Lean_Parser_Term_sorry_parenthesizer___closed__2;
@@ -2744,6 +2744,7 @@ lean_object* l_Lean_Parser_Term_if_parenthesizer___closed__2;
 lean_object* l___regBuiltinParser_Lean_Parser_Term_hole(lean_object*);
 lean_object* l_Lean_Parser_Term_iff___closed__2;
 lean_object* l_Lean_Parser_Term_orelse___closed__4;
+extern lean_object* l_Lean_Expr_ctorName___closed__11;
 lean_object* l_Lean_Parser_Term_parenSpecial_parenthesizer___closed__1;
 lean_object* l_Lean_Parser_Term_paren_parenthesizer___closed__4;
 lean_object* l_Lean_Parser_Term_if___elambda__1___closed__12;
@@ -2761,7 +2762,6 @@ lean_object* l___regBuiltin_Lean_Parser_Term_fun_parenthesizer___closed__1;
 lean_object* l_Lean_Parser_Term_prop_parenthesizer(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_Parser_Term_map___elambda__1___closed__2;
 lean_object* l___private_Lean_Parser_Basic_2__sepByFnAux___main___at_Lean_Parser_Term_subst___elambda__1___spec__2___closed__2;
-lean_object* l_Lean_Parser_Term_sort___elambda__1___closed__9;
 lean_object* l___regBuiltinParser_Lean_Parser_Term_gt(lean_object*);
 lean_object* l___regBuiltin_Lean_Parser_Term_append_parenthesizer(lean_object*);
 lean_object* l___regBuiltin_Lean_Parser_Term_bnot_parenthesizer(lean_object*);
@@ -7971,43 +7971,35 @@ return x_5;
 lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("sort");
-return x_1;
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Lean_mkAppStx___closed__6;
+x_2 = l_Lean_Expr_ctorName___closed__4;
+x_3 = lean_name_mk_string(x_1, x_2);
+return x_3;
 }
 }
 lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__2() {
 _start:
 {
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_mkAppStx___closed__6;
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__3() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_2 = lean_alloc_ctor(1, 1, 0);
 lean_ctor_set(x_2, 0, x_1);
 return x_2;
 }
 }
-lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__4() {
+lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; uint8_t x_3; lean_object* x_4; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__3;
+x_1 = l_Lean_Expr_ctorName___closed__4;
+x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
 x_3 = 1;
 x_4 = l_Lean_Parser_mkAntiquot(x_1, x_2, x_3);
 return x_4;
 }
 }
-lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__5() {
+lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__4() {
 _start:
 {
 lean_object* x_1; 
@@ -8015,21 +8007,31 @@ x_1 = lean_mk_string("Sort");
 return x_1;
 }
 }
-lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__6() {
+lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__4;
 x_2 = l_String_trim(x_1);
 return x_2;
 }
 }
+lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__6() {
+_start:
+{
+lean_object* x_1; lean_object* x_2; lean_object* x_3; 
+x_1 = l_Char_HasRepr___closed__1;
+x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
+x_3 = lean_string_append(x_1, x_2);
+return x_3;
+}
+}
 lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__7() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Char_HasRepr___closed__1;
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__6;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__6;
+x_2 = l_Char_HasRepr___closed__1;
 x_3 = lean_string_append(x_1, x_2);
 return x_3;
 }
@@ -8038,18 +8040,8 @@ lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__8() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__7;
-x_2 = l_Char_HasRepr___closed__1;
-x_3 = lean_string_append(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_Parser_Term_sort___elambda__1___closed__9() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
+x_2 = l_Lean_Parser_Term_sort___elambda__1___closed__7;
 x_3 = lean_alloc_ctor(1, 2, 0);
 lean_ctor_set(x_3, 0, x_2);
 lean_ctor_set(x_3, 1, x_1);
@@ -8060,7 +8052,7 @@ lean_object* l_Lean_Parser_Term_sort___elambda__1(lean_object* x_1, lean_object*
 _start:
 {
 lean_object* x_3; lean_object* x_4; uint8_t x_5; 
-x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__4;
+x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__3;
 x_4 = lean_ctor_get(x_3, 1);
 lean_inc(x_4);
 lean_inc(x_2);
@@ -8100,13 +8092,13 @@ lean_object* x_71; lean_object* x_72; uint8_t x_73;
 x_71 = lean_ctor_get(x_70, 1);
 lean_inc(x_71);
 lean_dec(x_70);
-x_72 = l_Lean_Parser_Term_sort___elambda__1___closed__6;
+x_72 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
 x_73 = lean_string_dec_eq(x_71, x_72);
 lean_dec(x_71);
 if (x_73 == 0)
 {
 lean_object* x_74; lean_object* x_75; 
-x_74 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_74 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_75 = l_Lean_Parser_ParserState_mkErrorsAt(x_67, x_74, x_66);
 x_11 = x_75;
 goto block_65;
@@ -8122,7 +8114,7 @@ else
 {
 lean_object* x_76; lean_object* x_77; 
 lean_dec(x_70);
-x_76 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_76 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_77 = l_Lean_Parser_ParserState_mkErrorsAt(x_67, x_76, x_66);
 x_11 = x_77;
 goto block_65;
@@ -8132,7 +8124,7 @@ else
 {
 lean_object* x_78; lean_object* x_79; 
 lean_dec(x_68);
-x_78 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_78 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_79 = l_Lean_Parser_ParserState_mkErrorsAt(x_67, x_78, x_66);
 x_11 = x_79;
 goto block_65;
@@ -8176,7 +8168,7 @@ lean_object* x_26; lean_object* x_27; lean_object* x_28; lean_object* x_29;
 lean_dec(x_15);
 x_26 = l_Lean_nullKind;
 x_27 = l_Lean_Parser_ParserState_mkNode(x_24, x_26, x_14);
-x_28 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_28 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_29 = l_Lean_Parser_ParserState_mkNode(x_27, x_28, x_10);
 return x_29;
 }
@@ -8194,7 +8186,7 @@ lean_object* x_32; lean_object* x_33; lean_object* x_34; lean_object* x_35;
 lean_dec(x_15);
 x_32 = l_Lean_nullKind;
 x_33 = l_Lean_Parser_ParserState_mkNode(x_24, x_32, x_14);
-x_34 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_34 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_35 = l_Lean_Parser_ParserState_mkNode(x_33, x_34, x_10);
 return x_35;
 }
@@ -8204,7 +8196,7 @@ lean_object* x_36; lean_object* x_37; lean_object* x_38; lean_object* x_39; lean
 x_36 = l_Lean_Parser_ParserState_restore(x_24, x_14, x_15);
 x_37 = l_Lean_nullKind;
 x_38 = l_Lean_Parser_ParserState_mkNode(x_36, x_37, x_14);
-x_39 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_39 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_40 = l_Lean_Parser_ParserState_mkNode(x_38, x_39, x_10);
 return x_40;
 }
@@ -8225,7 +8217,7 @@ lean_object* x_43; lean_object* x_44; lean_object* x_45; lean_object* x_46;
 lean_dec(x_15);
 x_43 = l_Lean_nullKind;
 x_44 = l_Lean_Parser_ParserState_mkNode(x_20, x_43, x_14);
-x_45 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_45 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_46 = l_Lean_Parser_ParserState_mkNode(x_44, x_45, x_10);
 return x_46;
 }
@@ -8235,7 +8227,7 @@ lean_object* x_47; lean_object* x_48; lean_object* x_49; lean_object* x_50; lean
 x_47 = l_Lean_Parser_ParserState_restore(x_20, x_14, x_15);
 x_48 = l_Lean_nullKind;
 x_49 = l_Lean_Parser_ParserState_mkNode(x_47, x_48, x_14);
-x_50 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_50 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_51 = l_Lean_Parser_ParserState_mkNode(x_49, x_50, x_10);
 return x_51;
 }
@@ -8256,7 +8248,7 @@ lean_object* x_54; lean_object* x_55; lean_object* x_56; lean_object* x_57;
 lean_dec(x_15);
 x_54 = l_Lean_nullKind;
 x_55 = l_Lean_Parser_ParserState_mkNode(x_17, x_54, x_14);
-x_56 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_56 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_57 = l_Lean_Parser_ParserState_mkNode(x_55, x_56, x_10);
 return x_57;
 }
@@ -8266,7 +8258,7 @@ lean_object* x_58; lean_object* x_59; lean_object* x_60; lean_object* x_61; lean
 x_58 = l_Lean_Parser_ParserState_restore(x_17, x_14, x_15);
 x_59 = l_Lean_nullKind;
 x_60 = l_Lean_Parser_ParserState_mkNode(x_58, x_59, x_14);
-x_61 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_61 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_62 = l_Lean_Parser_ParserState_mkNode(x_60, x_61, x_10);
 return x_62;
 }
@@ -8277,7 +8269,7 @@ else
 lean_object* x_63; lean_object* x_64; 
 lean_dec(x_12);
 lean_dec(x_1);
-x_63 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_63 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_64 = l_Lean_Parser_ParserState_mkNode(x_11, x_63, x_10);
 return x_64;
 }
@@ -8364,13 +8356,13 @@ lean_object* x_162; lean_object* x_163; uint8_t x_164;
 x_162 = lean_ctor_get(x_161, 1);
 lean_inc(x_162);
 lean_dec(x_161);
-x_163 = l_Lean_Parser_Term_sort___elambda__1___closed__6;
+x_163 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
 x_164 = lean_string_dec_eq(x_162, x_163);
 lean_dec(x_162);
 if (x_164 == 0)
 {
 lean_object* x_165; lean_object* x_166; 
-x_165 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_165 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_166 = l_Lean_Parser_ParserState_mkErrorsAt(x_158, x_165, x_157);
 x_94 = x_166;
 goto block_156;
@@ -8386,7 +8378,7 @@ else
 {
 lean_object* x_167; lean_object* x_168; 
 lean_dec(x_161);
-x_167 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_167 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_168 = l_Lean_Parser_ParserState_mkErrorsAt(x_158, x_167, x_157);
 x_94 = x_168;
 goto block_156;
@@ -8396,7 +8388,7 @@ else
 {
 lean_object* x_169; lean_object* x_170; 
 lean_dec(x_159);
-x_169 = l_Lean_Parser_Term_sort___elambda__1___closed__9;
+x_169 = l_Lean_Parser_Term_sort___elambda__1___closed__8;
 x_170 = l_Lean_Parser_ParserState_mkErrorsAt(x_158, x_169, x_157);
 x_94 = x_170;
 goto block_156;
@@ -8440,7 +8432,7 @@ lean_object* x_109; lean_object* x_110; lean_object* x_111; lean_object* x_112;
 lean_dec(x_98);
 x_109 = l_Lean_nullKind;
 x_110 = l_Lean_Parser_ParserState_mkNode(x_107, x_109, x_97);
-x_111 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_111 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_112 = l_Lean_Parser_ParserState_mkNode(x_110, x_111, x_93);
 x_113 = l_Lean_Parser_mergeOrElseErrors(x_112, x_85, x_82);
 lean_dec(x_82);
@@ -8460,7 +8452,7 @@ lean_object* x_116; lean_object* x_117; lean_object* x_118; lean_object* x_119;
 lean_dec(x_98);
 x_116 = l_Lean_nullKind;
 x_117 = l_Lean_Parser_ParserState_mkNode(x_107, x_116, x_97);
-x_118 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_118 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_119 = l_Lean_Parser_ParserState_mkNode(x_117, x_118, x_93);
 x_120 = l_Lean_Parser_mergeOrElseErrors(x_119, x_85, x_82);
 lean_dec(x_82);
@@ -8472,7 +8464,7 @@ lean_object* x_121; lean_object* x_122; lean_object* x_123; lean_object* x_124;
 x_121 = l_Lean_Parser_ParserState_restore(x_107, x_97, x_98);
 x_122 = l_Lean_nullKind;
 x_123 = l_Lean_Parser_ParserState_mkNode(x_121, x_122, x_97);
-x_124 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_124 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_125 = l_Lean_Parser_ParserState_mkNode(x_123, x_124, x_93);
 x_126 = l_Lean_Parser_mergeOrElseErrors(x_125, x_85, x_82);
 lean_dec(x_82);
@@ -8495,7 +8487,7 @@ lean_object* x_129; lean_object* x_130; lean_object* x_131; lean_object* x_132;
 lean_dec(x_98);
 x_129 = l_Lean_nullKind;
 x_130 = l_Lean_Parser_ParserState_mkNode(x_103, x_129, x_97);
-x_131 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_131 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_132 = l_Lean_Parser_ParserState_mkNode(x_130, x_131, x_93);
 x_133 = l_Lean_Parser_mergeOrElseErrors(x_132, x_85, x_82);
 lean_dec(x_82);
@@ -8507,7 +8499,7 @@ lean_object* x_134; lean_object* x_135; lean_object* x_136; lean_object* x_137;
 x_134 = l_Lean_Parser_ParserState_restore(x_103, x_97, x_98);
 x_135 = l_Lean_nullKind;
 x_136 = l_Lean_Parser_ParserState_mkNode(x_134, x_135, x_97);
-x_137 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_137 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_138 = l_Lean_Parser_ParserState_mkNode(x_136, x_137, x_93);
 x_139 = l_Lean_Parser_mergeOrElseErrors(x_138, x_85, x_82);
 lean_dec(x_82);
@@ -8530,7 +8522,7 @@ lean_object* x_142; lean_object* x_143; lean_object* x_144; lean_object* x_145;
 lean_dec(x_98);
 x_142 = l_Lean_nullKind;
 x_143 = l_Lean_Parser_ParserState_mkNode(x_100, x_142, x_97);
-x_144 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_144 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_145 = l_Lean_Parser_ParserState_mkNode(x_143, x_144, x_93);
 x_146 = l_Lean_Parser_mergeOrElseErrors(x_145, x_85, x_82);
 lean_dec(x_82);
@@ -8542,7 +8534,7 @@ lean_object* x_147; lean_object* x_148; lean_object* x_149; lean_object* x_150;
 x_147 = l_Lean_Parser_ParserState_restore(x_100, x_97, x_98);
 x_148 = l_Lean_nullKind;
 x_149 = l_Lean_Parser_ParserState_mkNode(x_147, x_148, x_97);
-x_150 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_150 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_151 = l_Lean_Parser_ParserState_mkNode(x_149, x_150, x_93);
 x_152 = l_Lean_Parser_mergeOrElseErrors(x_151, x_85, x_82);
 lean_dec(x_82);
@@ -8555,7 +8547,7 @@ else
 lean_object* x_153; lean_object* x_154; lean_object* x_155; 
 lean_dec(x_95);
 lean_dec(x_1);
-x_153 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_153 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_154 = l_Lean_Parser_ParserState_mkNode(x_94, x_153, x_93);
 x_155 = l_Lean_Parser_mergeOrElseErrors(x_154, x_85, x_82);
 lean_dec(x_82);
@@ -8581,7 +8573,7 @@ lean_object* _init_l_Lean_Parser_Term_sort___closed__1() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__6;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__5;
 x_2 = l_Lean_Parser_symbolInfo(x_1);
 return x_2;
 }
@@ -8600,7 +8592,7 @@ lean_object* _init_l_Lean_Parser_Term_sort___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_2 = l_Lean_Parser_Term_sort___closed__2;
 x_3 = l_Lean_Parser_nodeInfo(x_1, x_2);
 return x_3;
@@ -8620,7 +8612,7 @@ lean_object* _init_l_Lean_Parser_Term_sort___closed__5() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__4;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__3;
 x_2 = lean_ctor_get(x_1, 0);
 lean_inc(x_2);
 x_3 = l_Lean_Parser_Term_sort___closed__4;
@@ -8661,7 +8653,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; uint8_t x_4; lean_object* x_5; lean_object* x_6; 
 x_2 = l_Lean_Parser_termParser___closed__2;
-x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_4 = 1;
 x_5 = l_Lean_Parser_Term_sort;
 x_6 = l_Lean_Parser_addBuiltinParser(x_2, x_3, x_4, x_5, x_1);
@@ -8672,7 +8664,7 @@ lean_object* _init_l_Lean_Parser_Term_sort_parenthesizer___closed__1() {
 _start:
 {
 lean_object* x_1; uint8_t x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__3;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
 x_2 = 1;
 x_3 = lean_box(x_2);
 x_4 = lean_alloc_closure((void*)(l_Lean_Parser_mkAntiquot_parenthesizer___rarg___boxed), 6, 2);
@@ -8685,7 +8677,7 @@ lean_object* _init_l_Lean_Parser_Term_sort_parenthesizer___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; lean_object* x_4; 
-x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_1 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_2 = lean_unsigned_to_nat(1024u);
 x_3 = l_Lean_Parser_Term_type_parenthesizer___closed__7;
 x_4 = lean_alloc_closure((void*)(l_Lean_PrettyPrinter_Parenthesizer_leadingNode_parenthesizer), 7, 3);
@@ -8718,7 +8710,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_PrettyPrinter_parenthesizerAttribute;
-x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_sort___elambda__1___closed__1;
 x_4 = l___regBuiltin_Lean_Parser_Term_sort_parenthesizer___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -38010,7 +38002,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_mkAppStx___closed__6;
-x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
+x_2 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -38029,7 +38021,7 @@ lean_object* _init_l_Lean_Parser_Term_match___elambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; uint8_t x_3; lean_object* x_4; 
-x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_19__processNonVariable___closed__1;
+x_1 = l___private_Lean_Meta_EqnCompiler_DepElim_18__processNonVariable___closed__1;
 x_2 = l_Lean_Parser_Term_match___elambda__1___closed__2;
 x_3 = 1;
 x_4 = l_Lean_Parser_mkAntiquot(x_1, x_2, x_3);
@@ -54141,22 +54133,14 @@ return x_5;
 lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("proj");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__2() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_mkAppStx___closed__6;
-x_2 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
+x_2 = l_Lean_Expr_ctorName___closed__11;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__3() {
+lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
@@ -54166,7 +54150,7 @@ x_3 = lean_string_append(x_1, x_2);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__4() {
+lean_object* _init_l_Lean_Parser_Term_proj___elambda__1___closed__3() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; 
@@ -54202,7 +54186,7 @@ if (x_45 == 0)
 {
 lean_object* x_46; lean_object* x_47; 
 lean_dec(x_9);
-x_46 = l_Lean_Parser_Term_proj___elambda__1___closed__3;
+x_46 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
 x_47 = l_Lean_Parser_ParserState_mkError(x_6, x_46);
 x_11 = x_47;
 goto block_43;
@@ -54216,7 +54200,7 @@ x_49 = lean_ctor_get(x_48, 0);
 lean_inc(x_49);
 lean_dec(x_48);
 x_50 = l_Lean_Parser_manyAux___main___at_Lean_Parser_Term_structInstLVal___elambda__1___spec__1___closed__1;
-x_51 = l_Lean_Parser_Term_proj___elambda__1___closed__3;
+x_51 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
 x_52 = lean_unsigned_to_nat(0u);
 x_53 = l_Lean_Parser_strAux___main(x_50, x_51, x_52, x_1, x_6);
 x_54 = lean_ctor_get(x_53, 3);
@@ -54230,7 +54214,7 @@ x_55 = lean_alloc_ctor(0, 3, 0);
 lean_ctor_set(x_55, 0, x_49);
 lean_ctor_set(x_55, 1, x_9);
 lean_ctor_set(x_55, 2, x_9);
-x_56 = l_Lean_Parser_Term_proj___elambda__1___closed__4;
+x_56 = l_Lean_Parser_Term_proj___elambda__1___closed__3;
 x_57 = lean_nat_add(x_9, x_56);
 lean_inc(x_57);
 x_58 = lean_alloc_ctor(0, 3, 0);
@@ -54339,7 +54323,7 @@ lean_object* x_18; lean_object* x_19;
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_1);
-x_18 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_18 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_19 = l_Lean_Parser_ParserState_mkTrailingNode(x_16, x_18, x_10);
 lean_dec(x_10);
 return x_19;
@@ -54361,7 +54345,7 @@ lean_dec(x_20);
 lean_dec(x_15);
 lean_dec(x_14);
 lean_dec(x_1);
-x_23 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_23 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_24 = l_Lean_Parser_ParserState_mkTrailingNode(x_16, x_23, x_10);
 lean_dec(x_10);
 return x_24;
@@ -54375,7 +54359,7 @@ lean_dec(x_14);
 x_26 = l_Lean_Parser_ident___elambda__1(x_1, x_25);
 x_27 = l_Lean_Parser_mergeOrElseErrors(x_26, x_20, x_15);
 lean_dec(x_15);
-x_28 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_28 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_29 = l_Lean_Parser_ParserState_mkTrailingNode(x_27, x_28, x_10);
 lean_dec(x_10);
 return x_29;
@@ -54389,7 +54373,7 @@ lean_object* x_41; lean_object* x_42;
 lean_dec(x_12);
 lean_dec(x_4);
 lean_dec(x_1);
-x_41 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_41 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_42 = l_Lean_Parser_ParserState_mkTrailingNode(x_11, x_41, x_10);
 lean_dec(x_10);
 return x_42;
@@ -54440,7 +54424,7 @@ lean_object* _init_l_Lean_Parser_Term_proj___closed__4() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_1 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_2 = l_Lean_Parser_Term_proj___closed__3;
 x_3 = l_Lean_Parser_nodeInfo(x_1, x_2);
 return x_3;
@@ -54489,7 +54473,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; uint8_t x_4; lean_object* x_5; lean_object* x_6; 
 x_2 = l_Lean_Parser_termParser___closed__2;
-x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_4 = 0;
 x_5 = l_Lean_Parser_Term_proj;
 x_6 = l_Lean_Parser_addBuiltinParser(x_2, x_3, x_4, x_5, x_1);
@@ -54532,7 +54516,7 @@ lean_object* l_Lean_Parser_Term_proj_parenthesizer(lean_object* x_1, lean_object
 _start:
 {
 lean_object* x_5; lean_object* x_6; lean_object* x_7; lean_object* x_8; 
-x_5 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_5 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_6 = lean_unsigned_to_nat(1024u);
 x_7 = l_Lean_Parser_Term_proj_parenthesizer___closed__3;
 x_8 = l_Lean_PrettyPrinter_Parenthesizer_trailingNode_parenthesizer(x_5, x_6, x_7, x_1, x_2, x_3, x_4);
@@ -54552,7 +54536,7 @@ _start:
 {
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = l_Lean_PrettyPrinter_parenthesizerAttribute;
-x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__2;
+x_3 = l_Lean_Parser_Term_proj___elambda__1___closed__1;
 x_4 = l___regBuiltin_Lean_Parser_Term_proj_parenthesizer___closed__1;
 x_5 = l_Lean_KeyedDeclsAttribute_addBuiltin___rarg(x_2, x_3, x_4, x_1);
 return x_5;
@@ -57104,7 +57088,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = l_Lean_mkAppStx___closed__6;
-x_2 = l_Lean_Meta_evalNat___main___closed__10;
+x_2 = l_Lean_Meta_evalNat___main___closed__9;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
 }
@@ -66489,8 +66473,6 @@ l_Lean_Parser_Term_sort___elambda__1___closed__7 = _init_l_Lean_Parser_Term_sort
 lean_mark_persistent(l_Lean_Parser_Term_sort___elambda__1___closed__7);
 l_Lean_Parser_Term_sort___elambda__1___closed__8 = _init_l_Lean_Parser_Term_sort___elambda__1___closed__8();
 lean_mark_persistent(l_Lean_Parser_Term_sort___elambda__1___closed__8);
-l_Lean_Parser_Term_sort___elambda__1___closed__9 = _init_l_Lean_Parser_Term_sort___elambda__1___closed__9();
-lean_mark_persistent(l_Lean_Parser_Term_sort___elambda__1___closed__9);
 l_Lean_Parser_Term_sort___closed__1 = _init_l_Lean_Parser_Term_sort___closed__1();
 lean_mark_persistent(l_Lean_Parser_Term_sort___closed__1);
 l_Lean_Parser_Term_sort___closed__2 = _init_l_Lean_Parser_Term_sort___closed__2();
@@ -69679,8 +69661,6 @@ l_Lean_Parser_Term_proj___elambda__1___closed__2 = _init_l_Lean_Parser_Term_proj
 lean_mark_persistent(l_Lean_Parser_Term_proj___elambda__1___closed__2);
 l_Lean_Parser_Term_proj___elambda__1___closed__3 = _init_l_Lean_Parser_Term_proj___elambda__1___closed__3();
 lean_mark_persistent(l_Lean_Parser_Term_proj___elambda__1___closed__3);
-l_Lean_Parser_Term_proj___elambda__1___closed__4 = _init_l_Lean_Parser_Term_proj___elambda__1___closed__4();
-lean_mark_persistent(l_Lean_Parser_Term_proj___elambda__1___closed__4);
 l_Lean_Parser_Term_proj___closed__1 = _init_l_Lean_Parser_Term_proj___closed__1();
 lean_mark_persistent(l_Lean_Parser_Term_proj___closed__1);
 l_Lean_Parser_Term_proj___closed__2 = _init_l_Lean_Parser_Term_proj___closed__2();
diff --git a/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c b/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
index e099ea69a6..521cb727ae 100644
--- a/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
+++ b/stage0/stdlib/Lean/PrettyPrinter/Parenthesizer.c
@@ -51,6 +51,7 @@ lean_object* l_Nat_forMAux___main___at_Lean_PrettyPrinter_Parenthesizer_category
 lean_object* l_Lean_PrettyPrinter_parenthesizerAttribute___closed__1;
 lean_object* l_unreachable_x21___rarg(lean_object*);
 extern lean_object* l_Lean_nullKind;
+extern lean_object* l_Lean_mkThunk___closed__1;
 lean_object* l_Array_iterateM_u2082Aux___main___at_Lean_PrettyPrinter_Parenthesizer_compileParserBody___main___spec__9(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Expr_3__getAppArgsAux___main(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_compileParserBody___main___closed__9;
@@ -437,7 +438,6 @@ lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute(lean_object*);
 lean_object* l_Lean_PrettyPrinter_mkParenthesizerAttribute___closed__1;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_checkNoImmediateColon_parenthesizer(lean_object*);
 extern lean_object* l_Lean_nullKind___closed__2;
-extern lean_object* l_Lean_Meta_mkAuxName___closed__1;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_compileParenthesizerDescr___main___closed__5;
 lean_object* l_Lean_PrettyPrinter_Parenthesizer_compileParenthesizerDescr___main___closed__14;
 lean_object* l_Lean_Syntax_Traverser_fromSyntax(lean_object*);
@@ -9440,7 +9440,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -9944,7 +9944,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -10430,7 +10430,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -10916,7 +10916,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -11402,7 +11402,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -11888,7 +11888,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -12374,7 +12374,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -12860,7 +12860,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -13346,7 +13346,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -13832,7 +13832,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
@@ -14318,7 +14318,7 @@ lean_inc(x_20);
 x_21 = lean_ctor_get(x_19, 1);
 lean_inc(x_21);
 lean_dec(x_19);
-x_22 = l_Lean_Meta_mkAuxName___closed__1;
+x_22 = l_Lean_mkThunk___closed__1;
 x_23 = 0;
 x_24 = l_Lean_mkForall(x_22, x_23, x_20, x_7);
 x_5 = x_13;
diff --git a/stage0/stdlib/Lean/ToExpr.c b/stage0/stdlib/Lean/ToExpr.c
index a58b911265..3d1ce24ec4 100644
--- a/stage0/stdlib/Lean/ToExpr.c
+++ b/stage0/stdlib/Lean/ToExpr.c
@@ -14,11 +14,10 @@
 extern "C" {
 #endif
 lean_object* l_Lean_nameToExpr___closed__3;
-lean_object* l_Lean_unitToExpr___closed__3;
 lean_object* l_Lean_arrayToExpr___rarg(lean_object*);
 lean_object* l_Lean_boolToExpr;
 lean_object* l_Lean_unitToExpr___lambda__1___closed__2;
-lean_object* l_Lean_unitToExpr___lambda__1___closed__4;
+extern lean_object* l_Lean_mkThunkType___closed__2;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__8;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__4;
 lean_object* l_Lean_unitToExpr___closed__2;
@@ -33,7 +32,6 @@ lean_object* l_Lean_Name_toExprAux___main___closed__1;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__6;
 lean_object* l_Lean_arrayToExpr___rarg___lambda__1___closed__3;
 lean_object* l_Lean_charToExpr;
-lean_object* l_Lean_unitToExpr___lambda__1___closed__5;
 lean_object* l_Lean_optionToExpr___rarg___closed__1;
 extern lean_object* l_Lean_Literal_type___closed__3;
 lean_object* l_Lean_nameToExpr___closed__2;
@@ -44,9 +42,9 @@ lean_object* l_Lean_Name_toExprAux___main___closed__2;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__1;
 lean_object* l_Lean_prodToExpr(lean_object*, lean_object*);
 extern lean_object* l_Nat_HasOfNat___closed__1;
+extern lean_object* l_Lean_mkThunkType___closed__3;
 lean_object* l_Lean_listToExpr___rarg___closed__4;
 extern lean_object* l_Lean_levelZero;
-lean_object* l_Lean_charToExpr___lambda__1___closed__3;
 lean_object* l_Lean_unitToExpr___lambda__1(lean_object*);
 lean_object* l_Lean_Name_toExprAux___main___closed__6;
 lean_object* l_Lean_nameToExpr;
@@ -54,7 +52,6 @@ lean_object* l_Lean_List_toExprAux___main(lean_object*);
 lean_object* l_Lean_boolToExpr___lambda__1___closed__3;
 lean_object* l_Lean_boolToExpr___closed__3;
 extern lean_object* l_Lean_Literal_type___closed__6;
-lean_object* l_Lean_charToExpr___lambda__1___closed__5;
 lean_object* l_Lean_prodToExpr___rarg(lean_object*, lean_object*);
 lean_object* l_Lean_List_toExprAux___main___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_listToExpr___rarg___closed__5;
@@ -74,7 +71,6 @@ lean_object* l_Lean_strToExpr___closed__2;
 lean_object* l_Lean_charToExpr___lambda__1___closed__1;
 lean_object* l_Lean_charToExpr___lambda__1___boxed(lean_object*);
 lean_object* l_Lean_arrayToExpr(lean_object*);
-lean_object* l_Lean_charToExpr___lambda__1___closed__2;
 lean_object* l_Lean_Name_toExprAux___main___closed__7;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__3;
 lean_object* l_Lean_prodToExpr___rarg___lambda__1___closed__1;
@@ -116,7 +112,6 @@ lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__2;
 lean_object* l_Lean_exprToExpr___closed__1;
 lean_object* l_Lean_arrayToExpr___rarg___lambda__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_arrayToExpr___rarg___lambda__1___closed__2;
-lean_object* l_Lean_charToExpr___lambda__1___closed__4;
 lean_object* l_Lean_arrayToExpr___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_mkNatLit(lean_object*);
 lean_object* l_Lean_mkStrLit(lean_object*);
@@ -125,8 +120,10 @@ lean_object* l_Lean_exprToExpr;
 lean_object* l_Lean_boolToExpr___lambda__1___closed__1;
 lean_object* l_Lean_arrayToExpr___rarg___closed__2;
 lean_object* l_Lean_optionToExpr___rarg___lambda__1___closed__7;
+extern lean_object* l_Lean_Expr_isCharLit___closed__2;
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_List_toExprAux(lean_object*);
+extern lean_object* l_Lean_Expr_isCharLit___closed__4;
 lean_object* l_Lean_strToExpr;
 extern lean_object* l_Lean_mkAppStx___closed__2;
 lean_object* l_Lean_List_toExprAux___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
@@ -342,45 +339,9 @@ return x_3;
 lean_object* _init_l_Lean_charToExpr___lambda__1___closed__1() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("Char");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_charToExpr___lambda__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_charToExpr___lambda__1___closed__1;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_charToExpr___lambda__1___closed__3() {
-_start:
-{
-lean_object* x_1; 
-x_1 = lean_mk_string("ofNat");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_charToExpr___lambda__1___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_charToExpr___lambda__1___closed__2;
-x_2 = l_Lean_charToExpr___lambda__1___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_charToExpr___lambda__1___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_charToExpr___lambda__1___closed__4;
+x_2 = l_Lean_Expr_isCharLit___closed__4;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
@@ -391,7 +352,7 @@ _start:
 lean_object* x_2; lean_object* x_3; lean_object* x_4; lean_object* x_5; 
 x_2 = lean_uint32_to_nat(x_1);
 x_3 = l_Lean_mkNatLit(x_2);
-x_4 = l_Lean_charToExpr___lambda__1___closed__5;
+x_4 = l_Lean_charToExpr___lambda__1___closed__1;
 x_5 = l_Lean_mkApp(x_4, x_3);
 return x_5;
 }
@@ -401,7 +362,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_charToExpr___lambda__1___closed__2;
+x_2 = l_Lean_Expr_isCharLit___closed__2;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
@@ -476,7 +437,7 @@ lean_object* _init_l_Lean_unitToExpr___lambda__1___closed__1() {
 _start:
 {
 lean_object* x_1; 
-x_1 = lean_mk_string("Unit");
+x_1 = lean_mk_string("unit");
 return x_1;
 }
 }
@@ -484,7 +445,7 @@ lean_object* _init_l_Lean_unitToExpr___lambda__1___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
+x_1 = l_Lean_mkThunkType___closed__2;
 x_2 = l_Lean_unitToExpr___lambda__1___closed__1;
 x_3 = lean_name_mk_string(x_1, x_2);
 return x_3;
@@ -493,42 +454,6 @@ return x_3;
 lean_object* _init_l_Lean_unitToExpr___lambda__1___closed__3() {
 _start:
 {
-lean_object* x_1; 
-x_1 = lean_mk_string("unit");
-return x_1;
-}
-}
-lean_object* _init_l_Lean_unitToExpr___lambda__1___closed__4() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_unitToExpr___lambda__1___closed__2;
-x_2 = l_Lean_unitToExpr___lambda__1___closed__3;
-x_3 = lean_name_mk_string(x_1, x_2);
-return x_3;
-}
-}
-lean_object* _init_l_Lean_unitToExpr___lambda__1___closed__5() {
-_start:
-{
-lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = lean_box(0);
-x_2 = l_Lean_unitToExpr___lambda__1___closed__4;
-x_3 = l_Lean_mkConst(x_2, x_1);
-return x_3;
-}
-}
-lean_object* l_Lean_unitToExpr___lambda__1(lean_object* x_1) {
-_start:
-{
-lean_object* x_2; 
-x_2 = l_Lean_unitToExpr___lambda__1___closed__5;
-return x_2;
-}
-}
-lean_object* _init_l_Lean_unitToExpr___closed__1() {
-_start:
-{
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
 x_2 = l_Lean_unitToExpr___lambda__1___closed__2;
@@ -536,7 +461,15 @@ x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }
 }
-lean_object* _init_l_Lean_unitToExpr___closed__2() {
+lean_object* l_Lean_unitToExpr___lambda__1(lean_object* x_1) {
+_start:
+{
+lean_object* x_2; 
+x_2 = l_Lean_unitToExpr___lambda__1___closed__3;
+return x_2;
+}
+}
+lean_object* _init_l_Lean_unitToExpr___closed__1() {
 _start:
 {
 lean_object* x_1; 
@@ -544,12 +477,12 @@ x_1 = lean_alloc_closure((void*)(l_Lean_unitToExpr___lambda__1___boxed), 1, 0);
 return x_1;
 }
 }
-lean_object* _init_l_Lean_unitToExpr___closed__3() {
+lean_object* _init_l_Lean_unitToExpr___closed__2() {
 _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
-x_1 = l_Lean_unitToExpr___closed__2;
-x_2 = l_Lean_unitToExpr___closed__1;
+x_1 = l_Lean_unitToExpr___closed__1;
+x_2 = l_Lean_mkThunkType___closed__3;
 x_3 = lean_alloc_ctor(0, 2, 0);
 lean_ctor_set(x_3, 0, x_1);
 lean_ctor_set(x_3, 1, x_2);
@@ -560,7 +493,7 @@ lean_object* _init_l_Lean_unitToExpr() {
 _start:
 {
 lean_object* x_1; 
-x_1 = l_Lean_unitToExpr___closed__3;
+x_1 = l_Lean_unitToExpr___closed__2;
 return x_1;
 }
 }
@@ -1359,14 +1292,6 @@ l_Lean_boolToExpr = _init_l_Lean_boolToExpr();
 lean_mark_persistent(l_Lean_boolToExpr);
 l_Lean_charToExpr___lambda__1___closed__1 = _init_l_Lean_charToExpr___lambda__1___closed__1();
 lean_mark_persistent(l_Lean_charToExpr___lambda__1___closed__1);
-l_Lean_charToExpr___lambda__1___closed__2 = _init_l_Lean_charToExpr___lambda__1___closed__2();
-lean_mark_persistent(l_Lean_charToExpr___lambda__1___closed__2);
-l_Lean_charToExpr___lambda__1___closed__3 = _init_l_Lean_charToExpr___lambda__1___closed__3();
-lean_mark_persistent(l_Lean_charToExpr___lambda__1___closed__3);
-l_Lean_charToExpr___lambda__1___closed__4 = _init_l_Lean_charToExpr___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_charToExpr___lambda__1___closed__4);
-l_Lean_charToExpr___lambda__1___closed__5 = _init_l_Lean_charToExpr___lambda__1___closed__5();
-lean_mark_persistent(l_Lean_charToExpr___lambda__1___closed__5);
 l_Lean_charToExpr___closed__1 = _init_l_Lean_charToExpr___closed__1();
 lean_mark_persistent(l_Lean_charToExpr___closed__1);
 l_Lean_charToExpr___closed__2 = _init_l_Lean_charToExpr___closed__2();
@@ -1387,16 +1312,10 @@ l_Lean_unitToExpr___lambda__1___closed__2 = _init_l_Lean_unitToExpr___lambda__1_
 lean_mark_persistent(l_Lean_unitToExpr___lambda__1___closed__2);
 l_Lean_unitToExpr___lambda__1___closed__3 = _init_l_Lean_unitToExpr___lambda__1___closed__3();
 lean_mark_persistent(l_Lean_unitToExpr___lambda__1___closed__3);
-l_Lean_unitToExpr___lambda__1___closed__4 = _init_l_Lean_unitToExpr___lambda__1___closed__4();
-lean_mark_persistent(l_Lean_unitToExpr___lambda__1___closed__4);
-l_Lean_unitToExpr___lambda__1___closed__5 = _init_l_Lean_unitToExpr___lambda__1___closed__5();
-lean_mark_persistent(l_Lean_unitToExpr___lambda__1___closed__5);
 l_Lean_unitToExpr___closed__1 = _init_l_Lean_unitToExpr___closed__1();
 lean_mark_persistent(l_Lean_unitToExpr___closed__1);
 l_Lean_unitToExpr___closed__2 = _init_l_Lean_unitToExpr___closed__2();
 lean_mark_persistent(l_Lean_unitToExpr___closed__2);
-l_Lean_unitToExpr___closed__3 = _init_l_Lean_unitToExpr___closed__3();
-lean_mark_persistent(l_Lean_unitToExpr___closed__3);
 l_Lean_unitToExpr = _init_l_Lean_unitToExpr();
 lean_mark_persistent(l_Lean_unitToExpr);
 l_Lean_Name_toExprAux___main___closed__1 = _init_l_Lean_Name_toExprAux___main___closed__1();
diff --git a/stage0/stdlib/Lean/Util/CollectLevelParams.c b/stage0/stdlib/Lean/Util/CollectLevelParams.c
index 521216199a..0d695da1ef 100644
--- a/stage0/stdlib/Lean/Util/CollectLevelParams.c
+++ b/stage0/stdlib/Lean/Util/CollectLevelParams.c
@@ -24,6 +24,7 @@ extern lean_object* l_Array_empty___closed__1;
 size_t l_Lean_Level_hash(lean_object*);
 lean_object* lean_array_push(lean_object*, lean_object*);
 lean_object* lean_array_get_size(lean_object*);
+lean_object* l_Lean_CollectLevelParams_State_collect(lean_object*, lean_object*);
 uint8_t l_Lean_Level_hasParam(lean_object*);
 lean_object* l_Std_mkHashSetImp___rarg(lean_object*);
 uint8_t l_List_elem___main___at_Lean_CollectLevelParams_visitExpr___spec__2(lean_object*, lean_object*);
@@ -2542,6 +2543,14 @@ x_3 = l_Lean_CollectLevelParams_main___main(x_2, x_1);
 return x_3;
 }
 }
+lean_object* l_Lean_CollectLevelParams_State_collect(lean_object* x_1, lean_object* x_2) {
+_start:
+{
+lean_object* x_3; 
+x_3 = l_Lean_CollectLevelParams_main___main(x_2, x_1);
+return x_3;
+}
+}
 lean_object* initialize_Init(lean_object*);
 lean_object* initialize_Lean_Expr(lean_object*);
 static bool _G_initialized = false;
diff --git a/stage0/stdlib/Lean/Util/Recognizers.c b/stage0/stdlib/Lean/Util/Recognizers.c
index 6c324e3a4c..92a96794fd 100644
--- a/stage0/stdlib/Lean/Util/Recognizers.c
+++ b/stage0/stdlib/Lean/Util/Recognizers.c
@@ -546,12 +546,16 @@ goto _start;
 }
 else
 {
-lean_object* x_15; lean_object* x_16; 
+lean_object* x_15; lean_object* x_16; lean_object* x_17; lean_object* x_18; 
+x_15 = l_Lean_Expr_appArg_x21(x_1);
 lean_dec(x_1);
-x_15 = l_List_reverse___rarg(x_2);
-x_16 = lean_alloc_ctor(1, 1, 0);
-lean_ctor_set(x_16, 0, x_15);
-return x_16;
+x_16 = l_List_reverse___rarg(x_2);
+x_17 = lean_alloc_ctor(0, 2, 0);
+lean_ctor_set(x_17, 0, x_15);
+lean_ctor_set(x_17, 1, x_16);
+x_18 = lean_alloc_ctor(1, 1, 0);
+lean_ctor_set(x_18, 0, x_17);
+return x_18;
 }
 }
 }
diff --git a/stage0/stdlib/Lean/Util/WHNF.c b/stage0/stdlib/Lean/Util/WHNF.c
index d0595283e6..944ae9b25c 100644
--- a/stage0/stdlib/Lean/Util/WHNF.c
+++ b/stage0/stdlib/Lean/Util/WHNF.c
@@ -81,7 +81,6 @@ uint8_t lean_nat_dec_eq(lean_object*, lean_object*);
 lean_object* l_Lean_List_toExprAux___main___at_Lean_WHNF_toCtorIfLit___spec__1___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_reduceQuotRec___rarg___lambda__1(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_unfoldDefinitionAux(lean_object*);
-extern lean_object* l_Lean_charToExpr___lambda__1___closed__5;
 lean_object* lean_nat_sub(lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_WHNF_7__deltaDefinition___rarg___boxed(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l_Array_shrink___main___rarg(lean_object*, lean_object*);
@@ -112,8 +111,8 @@ lean_object* l___private_Lean_Util_WHNF_3__getRecRuleFor___lambda__1___boxed(lea
 extern lean_object* l_Lean_Literal_type___closed__2;
 lean_object* l_Lean_WHNF_isRecStuck_x3f___rarg(lean_object*, lean_object*, lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_WHNF_5__isIdRhsApp___closed__2;
+extern lean_object* l_Lean_charToExpr___lambda__1___closed__1;
 lean_object* l_Lean_WHNF_toCtorIfLit___closed__9;
-extern lean_object* l_Lean_charToExpr___lambda__1___closed__2;
 uint8_t l_Lean_Expr_isConstOf(lean_object*, lean_object*);
 lean_object* l_Lean_WHNF_unfoldDefinitionAux___rarg___lambda__4___boxed(lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_WHNF_1__getFirstCtor___rarg___lambda__1(lean_object*, lean_object*, lean_object*);
@@ -182,6 +181,7 @@ lean_object* l_Lean_WHNF_whnfCore___main___rarg___lambda__6___boxed(lean_object*
 lean_object* l_Array_iterateMAux___main___at_Lean_mkAppN___spec__1(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_WHNF_7__deltaDefinition___rarg(lean_object*, lean_object*, lean_object*, lean_object*);
 lean_object* l___private_Lean_Util_WHNF_9__whnfCoreUnstuck(lean_object*);
+extern lean_object* l_Lean_Expr_isCharLit___closed__2;
 lean_object* l_Lean_WHNF_whnfMain___main___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_WHNF_whnfCore___main(lean_object*);
 lean_object* l_Lean_mkAppB(lean_object*, lean_object*, lean_object*);
@@ -628,7 +628,7 @@ x_6 = lean_unbox_uint32(x_4);
 lean_dec(x_4);
 x_7 = lean_uint32_to_nat(x_6);
 x_8 = l_Lean_mkNatLit(x_7);
-x_9 = l_Lean_charToExpr___lambda__1___closed__5;
+x_9 = l_Lean_charToExpr___lambda__1___closed__1;
 x_10 = l_Lean_mkApp(x_9, x_8);
 lean_inc(x_2);
 x_11 = l_Lean_List_toExprAux___main___at_Lean_WHNF_toCtorIfLit___spec__1(x_1, x_2, x_5);
@@ -718,7 +718,7 @@ _start:
 {
 lean_object* x_1; lean_object* x_2; lean_object* x_3; 
 x_1 = lean_box(0);
-x_2 = l_Lean_charToExpr___lambda__1___closed__2;
+x_2 = l_Lean_Expr_isCharLit___closed__2;
 x_3 = l_Lean_mkConst(x_2, x_1);
 return x_3;
 }